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Publication numberCN1441383 A
Publication typeApplication
Application numberCN 03119812
Publication date10 Sep 2003
Filing date28 Feb 2003
Priority date28 Feb 2002
Also published asEP1341121A1, US6853412, US7021533, US20030160912, US20050006463
Publication number03119812.0, CN 03119812, CN 1441383 A, CN 1441383A, CN-A-1441383, CN03119812, CN03119812.0, CN1441383 A, CN1441383A
InventorsSW斯蒂芬森
Applicant伊斯曼柯达公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Event processing information card with memery and liquid crystal display device
CN 1441383 A
Abstract  translated from Chinese
一种具有可机读信息和可视显示装置的事务处理信息卡,其包括:卡本体;在该卡本体上的可机读的信息;固定在该卡本体上的柔性显示装置,以用于显示与该可机读的信息相关的信息,该显示装置包括对压力不敏感的聚合物分散的胆甾相液晶材料,该液晶材料具有第一平面状态和第二透明的焦点圆锥状态,所述状态响应于施加的电压从而显示信息,其中当该电压除去时所述信息持续保持;以及连接该显示装置的导体阵列,以用于从外部显示驱动器向该显示装置施加选定的电压,以改变该显示装置的状态。 On the card body of machine readable information;; fixed on the card body of the flexible display device for a card body: a machine-readable information and a visual display information card transaction processing apparatus, which includes a displays the machine readable information related to information, the display device comprising a pressure-insensitive polymer dispersed cholesteric liquid crystal material, the liquid crystal material having a first state and a second transparent planar focal conic state, the state in response to the applied voltage to display information, wherein when the voltage is removed continuously holding said information; and a connecting conductor array of the display device, for the drive from the external display device to display the selected voltage is applied to change the The display state of the apparatus.
Claims(10)  translated from Chinese
1.一种具有可机读信息和可视显示装置的事务处理信息卡,其包括:a)卡本体;b)在该卡本体上的可机读的信息;c)固定在该卡本体上的柔性显示装置,以用于显示与该可机读的信息相关的信息,该显示装置包括对压力不敏感的聚合物分散的胆甾相液晶材料,该液晶材料具有第一平面状态和第二透明的焦点圆锥状态,所述状态响应于施加的电压从而显示信息,其中当该电压除去时所述信息持续保持;以及d)连接该显示装置的导体阵列,以用于从外部显示驱动器向该显示装置施加选定的电压,以改变该显示装置的状态。 CLAIMS 1. A machine-readable information and a visual display information card transaction processing apparatus, comprising: a) a card body; b) on the card body of machine readable information; c) is fixed to the card body flexible display means for displaying the information related to machine-readable information, the display device comprising a pressure-insensitive polymer dispersed cholesteric liquid crystal material, the liquid crystal material having a first state and a second plane transparent focal conic state, the state in response to an applied voltage to display information, wherein when the voltage is removed continuously holding said information; and d) connecting conductor array of the display device, in order for the drive to the external display from display means for applying a selected voltage, to change the state of the display device.
2.如权利要求1所述的事务处理信息卡,其特征在于,所述可机读的信息从一组包括半导体元件、磁性涂层和可机读的印刷品中选择。 2. The transaction information card as claimed in claim 1, characterized in that the machine-readable information to select from a set of components, including semiconductors, magnetic coatings and machine readable in print.
3.如权利要求1所述的事务处理信息卡,其特征在于,所述对压力不敏感的聚合物分散的胆甾相液晶是以聚合物比液晶的一比率分散在聚合物中的胆甾相液晶,该比率使得该组合物对压力不敏感。 3. The transaction information card according to claim 1, characterized in that said pressure insensitive polymer dispersed cholesteric liquid crystal is a liquid crystal polymer than the ratio in the polymer dispersed cholesteric liquid crystal, the ratio is such that the composition is not sensitive to pressure.
4.如权利要求1所述的事务处理信息卡,其特征在于,所述导体是在聚合物中的碳制的印刷乳剂。 Transaction information card according to claim 4., characterized in that said conductor is made of carbon in the polymer emulsion printing.
5.一种事务处理信息卡系统,其包括:a)事务处理信息卡,该卡包括:卡本体;在该卡本体上的可机读的信息;固定在该卡本体上的柔性显示装置,以用于显示与该可机读的信息相关的信息,该显示装置包括对压力不敏感的聚合物分散的胆甾相液晶材料,该液晶材料具有第一平面状态和第二透明的焦点圆锥状态,所述状态响应于施加的电压从而显示信息,其中当该电压除去时所述信息持续保持;以及连接该显示装置的导体阵列,以用于从外部显示驱动器向该显示装置施加选定的电压,以改变该显示装置的状态;以及b)卡处理器,其包括用于读取该可机读信息的读取器;用于接收该信息并执行计算以产生用来显示的信息的处理器;和具有用于接触导体阵列的触点阵列的写入器,该写入器用于将经计算的信息写入到该显示装置上。 An information card transaction processing system, comprising: a) transaction information card, the card comprising: a card body; machine readable information on the card body; fixed on the card body, a flexible display, for displaying the information related to machine-readable information, the display device comprising a pressure-insensitive polymer dispersed cholesteric liquid crystal material, the liquid crystal material having a first state and a second transparent planar focal conic state said state in response to an applied voltage to display information, wherein when the voltage is removed continuously holding said information; and a connecting conductor array of the display device to the display driver for externally applying a selected voltage to the display means to change the status of the display device; and b) a processor card, which comprises means for reading the machine readable information reader; means for receiving the information and perform computations to generate information for display of the processor ; and a writer for the contact conductor having the contact array of the array, the writer used to calculate by information written to the display device.
6.如权利要求7所述的系统,其特征在于,所述显示装置是由行和列电压驱动的无源矩阵式显示装置,并且低电压对该液晶的状态没有影响,中间电压产生该液晶的焦点圆锥状态,而高电压产生该液晶的平面状态。 6. The system of claim 7, wherein said display means is driven by row and column voltages of a passive matrix type display device, and a low voltage state does not affect the liquid crystal, the liquid crystal intermediate voltage generator The focal conic state, and the high voltage generating planar state of the liquid crystal.
7.一种制造具有可机读信息和可视显示装置的事务处理信息卡的方法,其包括以下步骤:a)提供卡本体;b)向该卡本体施加用于存储可机读的信息的元件;c)制造用于显示的柔性显示装置,该显示装置包括对压力不敏感的聚合物分散的胆甾相液晶材料,该液晶材料具有第一平面状态和第二透明的焦点圆锥状态,所述状态响应于施加的电压从而显示信息,其中当该电压除去时所述信息持续保持,该显示装置包括导体阵列,其用于从外部显示驱动器向该显示装置施加选定的电压,以改变该显示装置的状态;和d)将该显示装置固定到该卡本体上。 A manufacturing a machine-readable information and visual information on the card transaction display device, comprising the steps of: a) providing a card body; b) to the card body for storing machine-readable information applied element; flexible display device c) manufacturing a display, the display device comprising a pressure-insensitive polymer dispersed cholesteric liquid crystal material, the liquid crystal material having a first state and a second transparent planar focal conic state, the said state in response to an applied voltage so as to display information, wherein when the voltage is removed continuously maintain the information, the display device comprises an array of conductors, which is used to drive the external display device to display the selected voltage is applied, to change the status display means; and d) the display device is fixed to the card body.
8.如权利要求13所述的方法,其特征在于,制造显示装置的步骤包括以下步骤:c1)提供聚合物分散的胆甾相液晶分散体,其中聚合物比液晶的比率足够提供对压力不敏感的分散体的经处理的层;c2)提供具有第一导体的基板;c3)在该基板上涂敷该分散体;和c4)在经涂敷的分散体上印刷导体的阵列。 8. The method according to claim 13, characterized in that the step of manufacturing a display device comprising the steps of: c1) providing a polymer dispersed cholesteric liquid crystal dispersion, wherein the ratio of the liquid crystal polymer is sufficient to provide a ratio of the pressure is not layer treated sensitive dispersion; c2) providing a substrate having a first conductor; c3) on the substrate after application of the dispersion; and c4) in the dispersion of coated printing array conductors.
9.如权利要求14所述的方法,其特征在于,所述胆甾相液晶分散在明胶水溶液中,并且包括在涂敷后干燥该分散体的步骤。 9. The method of claim 14, wherein said cholesteric liquid crystal is dispersed in aqueous gelatin, and including the step of drying after coating the dispersion.
10.一种执行事务处理的方法,其包括以下步骤:a)提供事务处理信息卡,该卡包括:卡基板;在该卡基板上的可机读的信息;固定在该卡基板上的柔性显示装置,以用于显示与该可机读的信息相关的信息,该显示装置包括对压力不敏感的聚合物分散的胆甾相液晶材料,该液晶材料具有第一平面状态和第二透明的焦点圆锥状态,所述状态响应于施加的电压从而显示信息,其中当该电压除去时所述信息持续保持;以及连接该显示装置的导体阵列,以用于从外部显示驱动器向该显示装置施加选定的电压,以改变该显示装置的状态;b)提供卡处理器,其包括用于读取该可机读信息的读取器;用于接收该信息并执行计算以产生用来显示的信息的处理器;和具有用于接触在卡上的导体阵列的触点阵列的写入器,该写入器用于将经计算的信息写入到该显示装置上;c)使用该卡处理器,以开始在该卡上显示信息;d)在事务处理中使用该卡;和e)使用该卡处理器以更新在该卡上的显示装置,以反映该事务处理的结果。 10. A method of processing a transaction, comprising the steps of: a) providing transaction information card, the card comprising: a card substrate; in that the card substrate may be machine-readable information; fixed to the card substrate of the flexible display means for displaying the information related to machine readable information, the display device comprising a pressure-insensitive polymer dispersed cholesteric liquid crystal material, the liquid crystal material having a first state and a second transparent planar focal conic state, the state in response to an applied voltage to display information, wherein when the voltage is removed continuously holding said information; and a connecting conductor array of the display device, means for applying to the display driver from the external display option given voltage, to change the state of the display apparatus; b) providing the card processor includes means for reading the machine readable information reader; means for receiving the information and perform computations to generate information for display a processor; and having a contact on the card writer conductor arrays of contact array, which is used by the writer is written to the calculated information on the display means; c) the use of the card processor, to begin displaying information on the card; d) use the card in a transaction; and e) using the card processor to update the display on the card means, to reflect the results of the transaction.
Description  translated from Chinese
具有存储器和液晶显示装置的事务处理信息卡 Having a memory and LCD information card transaction processing device

技术领域 FIELD

本发明涉及一种具有机器可读的信息和分离的显示装置的卡。 The present invention relates to a display device having a machine-readable card information and isolated.

背景技术 BACKGROUND

现在,通过带永久墨水的组装纸张或在例如阴极射线显示装置或液晶显示装置的电子调制表面上进行显示,从而显示出信息。 Now, by assembling the ink sheet with a permanent or in a display device such as a cathode ray display or a liquid crystal display device on the surface of the electronic modulation, thus revealing the message. 其它薄片材料可带有磁性书写的区域,以携带票务或财务信息,但是磁性书写信息是不可见的。 Other sheet materials can be written with a magnetic zone to carry ticketing or financial information, but the magnetic writing information is not visible.

现有的平板显示装置使用了两个透明的玻璃板作为基板。 Conventional flat panel display device using the two transparent glass plate as the substrate. 在典型实施例中,例如在美国专利5503952披露的实施例中,一组电迹线以平行线的图案被喷镀,以形成第一组导电迹线。 In the exemplary embodiment, for example, in the embodiment disclosed in the U.S. Patent No. 5,503,952, a plurality of electrical traces a pattern of parallel lines is sputtering, to form a first set of conductive traces. 第二基板类似地使用第二组具有透明导电涂层的迹线来涂敷。 Similarly, the second substrate having a second set of the transparent conductive layer of traces to coat. 涂层被施加,并且表面被摩擦以使液晶取向。 Coating is applied, and the surface is rubbed to orient the liquid crystal. 两个基板分隔开,并且在两个基板之间的间距中填充液晶材料。 Two substrates spaced apart, and a liquid crystal material filled in the spacing between the two substrates. 来自每一组的成对的电极被选择并被施加电压,以改变液晶材料的光透过性质。 Electrode pairs from each group is selected and a voltage is applied, to change the light transmitting properties of the liquid crystal material. 这种显示装置是昂贵的并且现在只限于长寿命的应用场合。 Such a display device is expensive and now is limited to long-life applications.

在美国专利4435047中披露了使用常规的向列相液晶材料来制造柔性的且电子书写的显示薄板。 Discloses the use of a conventional nematic liquid crystal material to produce a flexible and electronically written display sheets in U.S. Patent No. 4,435,047 in. 第一薄板具有透明的铟锡氧化物(ITO)导电区域,而第二薄板具有印刷在显示区域上的导电墨水。 A first sheet having a transparent indium tin oxide (ITO) conductive regions, and the second sheet having a conductive ink printed on the display area. 这些薄板可以是薄的玻璃,但事实上由Mylar(商品名)聚酯制成。 These sheets can be thin glass, but in fact (trade name) polyester made from Mylar. 分散在粘合剂中的液晶材料涂敷在第一薄板上,而第二薄板与液晶材料结合。 Dispersed in a binder liquid crystal material coated on the first sheet and the second sheet with the liquid crystal material in combination. 电势施加到相面对的导电区域上,以操纵液晶材料并使显示区域暴露。 Potential is applied to the conductive area facing to operate the liquid crystal material and expose display areas. 该显示装置使用了向列相液晶材料,当断电时,该材料停止显像。 The display device using a nematic liquid crystal material, when de-energized, the material stops imaging. 通过使用常规向列相液晶的散射性质,由这种材料来形成保密窗。 By using conventional nematic liquid crystal scattering properties, this material is formed from confidential window. 向列相液晶需要持续的电驱动来保持透明。 Nematic liquid crystal requires continuous electrical drive to remain transparent.

美国专利5437811披露了一种光调制元件,其具有被常规形式的玻璃基板包含的具有在聚合物畴中的手型向列相液晶。 U.S. Patent No. 5,437,811 discloses a light modulation element having a hand type having polymer domains are in the form of a conventional glass substrate contains nematic liquid crystal. 该手型向列相液晶具有这样的性质,即在反射特定可见波长的光的平面状态和光散射的焦点圆锥曲线状态之间被驱动。 The hand-type nematic liquid crystal of such a nature that the reflection is driven between specific visible light wavelength planar state and the focal conic state of light scattering. 手型向列相材料具有在无电场下保持一种给定状态的能力。 Hand type having no electric field while maintaining the ability of a given state of a nematic phase material.

Mandai等人的在2001年8月23日公开的美国专利申请No.2001/0015788 A1中公开了一种显示卡,其支持存储式的胆甾相液晶显示装置。 Mandai et al in US patent August 23, 2001 Published Application No.2001 0015788 A1 in / discloses a display card that supports the storage type of cholesteric liquid crystal display device. 多个第一和第二端点设置在该显示卡的背面,以便显示像通过外部写入装置来改变。 A plurality of first and second terminal provided on the back of the card in order to display an external image writing means to change. 这种存储式的胆甾相液晶显示装置的问题是它们是压力敏感的。 The problem with this type of storage cholesteric liquid crystal display devices is that they are pressure sensitive. 如果该显示卡的显示区域被弯曲,从而向显示装置中的液晶施加压力,那么显示装置会改变状态,从而遮挡在显示装置上的写入的数据。 If the display area of the display card is bent, so as to apply pressure to the liquid crystal display device, the display device changes state, thereby blocking data is written on the display device. 当该显示卡被人携带在口袋中或皮夹中时,该问题特别明显,这是因为在这种情况下该卡被弯曲的可能性较高。 When the graphics card being carried in a pocket or purse, the problem is particularly evident, because the higher the possibility in this case the card is bent. 因此需要提供一种对压力不敏感的改进显示卡。 Therefore desirable to provide an improved pressure-insensitive display card.

发明内容 SUMMARY

本发明的目的在于提供一种事物处理信息卡,其具有存储元件和不消耗功率的显示元件。 Object of the present invention is to provide a card transaction processing information, and a memory element having no power consumption of the display element.

本发明的另一目的在于提供一种用于事物处理信息卡的显示卡,该显示卡对压力不敏感并且可弯曲。 Another object of the present invention is to provide a display card for the card transaction processing information, the graphics card is not sensitive to pressure and can be bent.

本发明的又一目的在于提供一种系统,该系统从这种事物处理信息卡读取信息、操作来自这种事物处理信息卡的信息、并且在显示装置上改变该信息。 A further object of the present invention is to provide a system which reads the information from such a card transaction processing information, the operation information is information from which the card transaction processing, and changes the information on a display device.

通过提供一种具有可机读信息的事物处理信息卡和一种可见的显示装置实现这些目的,该可见的显示装置包括:卡本体;在卡本体上的可机读信息;以及固定在卡本体上的柔性显示装置,以用于显示与该可机读信息相关的信息,该显示装置包括对压力不敏感的分散有聚合物的胆甾相液晶材料,该材料具有第一平面反射状态和第二透明的焦点圆锥曲线状态,这些状态对施加给显示信息的电压敏感,当该电压消除时,显示信息将保持;该显示装置还连接到显示装置的导体阵列,以用于将选择的电压从外部显示驱动器施加给显示装置,以便改变该显示装置的状态。 By providing a machine readable information having information card transaction processing apparatus and a display visible to achieve these objects, the visible display device comprising: a card body; on the card body of the machine readable information; and fixed in a card body the flexible display device, for displaying the information related to the machine-readable information, the display device comprising a pressure-insensitive polymer-dispersed cholesteric liquid crystal material, the material having a first planar reflective state and the second transparent focal conic state, which state the voltage applied to the display of sensitive information, when the voltage is removed, the display information will remain; the display device is also connected to the conductor array of the display device, for selecting a voltage from the External display driver applied to the display device, so as to change the state of the display device.

本发明提供了一种用于使可机读的信息与可用电更新的显示装置组合使用的不昂贵的装置。 The present invention provides an inexpensive device allows machine readable information in combination with the display device can be used for electricity updated.

附图说明 Brief Description

图1是由根据本发明制成的胆甾相液晶显示装置的部分透视图;图2是接附到事务处理信息卡上的图1所示的显示装置的透视图;图3是本发明优选实施例的手型向列相液晶材料的球形畴的截面图;图4A示出了手型向列相液晶材料的平面反射光的状态;图4B示出了手型向列相液晶材料的焦点圆锥的透射光的状态;图5是第一聚合物分散的胆甾相材料以第一组施加电压响应于脉冲电场的曲线图;图6是胆甾相液晶元件的矩阵阵列的示意图;图7是图1所示的显示装置的正视图;图8是图1实施例的显示装置的后视图;图9是图8所示的事务处理信息卡组件的截面图;和图10是图1所示的事务处理信息卡组件与可机读的信息结合以操作信息并更新在事务处理信息卡上的显示装置的电路示意图。 Figure 1 is a phase cholesteric liquid crystal display device according to the present invention is formed in a partial perspective view; Fig. 2 is a perspective view of the display attached to the apparatus shown in FIG transaction information on the card; FIG. 3 is a preferred embodiment of the invention Example hand type nematic phase domains sectional view of a spherical liquid crystal material; Fig. 4A shows a state hand-type nematic liquid crystal material of the reflected light plane; Figure 4B shows a focus hand type nematic liquid crystal material state of the transmitted light cone; Figure 5 is a first polymer dispersed cholesteric material is applied to a first set of voltage pulses in response to the electric field graph; Fig. 6 is a schematic view of the cholesteric liquid crystal element matrix array; Fig. 7 display device 1 is shown in a front view; Figure 8 is a rear view of the display device according the embodiment of Figure 1; Figure 9 is shown in FIG. 8 transaction information card assembly sectional view; and Fig. 10 is a transaction information card assembly with machine-readable information is shown in conjunction with a circuit schematic of the operation information and update information on a transaction card of the display device.

具体实施方式 DETAILED DESCRIPTION

图1是由根据本发明制成的显示装置10的新结构的部分透视图。 Figure 1 is a partial perspective view of a new configuration of a display apparatus 10 according to the present invention is formed. 显示装置10包括柔性基板15,该基板为薄的透明聚酯材料,例如由厚度为20-200微米的聚酯塑料制成的KDDAK ESTAR聚合物片基。 The display device 10 includes a flexible substrate 15, the substrate is a thin, transparent polyester material, for example, a thickness of KDDAK ESTAR polyester polymer sheet made of plastic 20-200 microns. 在示例性实施例中,基板15可以是125微米厚的聚酯片基的薄板。 In an exemplary embodiment, the substrate 15 may be a 125 micron thick sheet of polyester film base. 也可使用其它聚合物,例如透明的聚碳酸酯。 Other polymers may also be used, such as transparent polycarbonate.

第一图案形式的导体20形成在基板15之上。 The first pattern in the form of conductor 20 is formed on the substrate 15. 第一图案形式的导体20可以是氧化锡或铟锡氧化物(ITO),铟锡氧化物(ITO)是优选的材料。 The first pattern of conductors 20 may be in the form of tin oxide or indium tin oxide (ITO), indium tin oxide (ITO) is a preferred material. 通常,第一图案形式的导体20的材料作为在基板15之上的具有小于200欧姆每平方的电阻的层被喷镀。 Typically, the first pattern in the form of conductor material 20 over the substrate 15 as a layer having a resistance less than 200 ohms per square to be sprayed. 该层随后形成图案,以便通过已知的方式形成第一图案形式的导体20。 The conductive layer is then patterned to form a first pattern in the form of 20 by a known manner. 或者,第一图案形式的导体20可以是不透明的导电体材料,例如铜、铝或镍。 Alternatively, the first pattern of conductors 20 may be in the form of an opaque conductive material, such as copper, aluminum or nickel. 如果第一图案形式的导体20是不透明的金属,则该金属可以是金属氧化物,以形成吸收光线的第一图案形式的导体20。 If the first pattern of conductors 20 is in the form of an opaque metal, the metal may be a metal oxide, to form a light-absorbing first conductor pattern 20 of the form. 第一图案形式的导体20通过常规的蚀刻装置或激光蚀刻装置从而形成在导电层中。 The first pattern in the form of conductor 20 by conventional etching apparatus or a laser etching device so as to form a conductive layer.

聚合物分散的胆甾相层30覆盖在第一图案形式的导体20上。 Polymer dispersed cholesteric layer 30 is coated on the first pattern in the form of conductor 20. 聚合物分散的胆甾相层30包括聚合物分散的胆甾相液晶材料,在本文中例如分散有明胶的液晶材料。 Polymer dispersed cholesteric layer 30 comprises a polymer dispersed cholesteric liquid crystal material, for example, herein the liquid crystal material dispersed in gelatin. 液晶材料披露于美国专利5695682。 The liquid crystal material is disclosed in U.S. Patent No. 5,695,682. 施加不同强度和时间段的电场可将手型向列相材料(胆甾相)驱动成为反射状态、透射状态或中间状态。 Electric field intensity and applying different time periods can be hand-type nematic material (cholesteric phase) driving a reflective state, transmitting state or intermediate state. 这些材料具有的优点为:在电场除去后长时期地保持给定状态。 These materials have the advantage that: the electric field is removed after the long period of time to maintain a given state. 胆甾相液晶材料可以是MERCK BL112,BL118或BL126,其可从Hawthorne,NY的EMIndustries获得到。 The cholesteric liquid crystal material may be MERCK BL112, BL118 or BL126, which is available from Hawthorne, NY of EMIndustries to.

在优选实施例中,聚合物分散的胆甾相层30是EMIndustries的胆甾相材料BL118,其分散在去离子的感光明胶中。 Embodiment, the polymer dispersed cholesteric layer 30 is EMIndustries cholesteric material BL118, dispersed in deionized photographic gelatin in the preferred embodiment. 该液晶材料以8%的浓度分散在5%的去离子明胶水溶液中。 The liquid crystal material is dispersed at 8% concentration in a 5% deionized gelatin aqueous solution. 该混合物被分散,以便在水悬浮液中形成10微米直径的液晶畴。 The mixture is dispersed to form a 10 micron diameter domains of the liquid crystal in aqueous suspension. 该材料涂敷在形成图案的ITO聚酯薄板上,在相对湿度方面该材料被干燥,使得液晶材料的边缘不必密封,以便设置9微米厚的聚合物分散的胆甾相涂层。 The material is coated on a polyester sheet to form a pattern of ITO, in terms of the relative humidity of the material to be dried, so that the edges do not have to seal the liquid crystal material, in order to set the 9 micron thick polymer dispersed cholesteric coating. 可使用其它有机粘合剂,例如聚乙烯醇或聚环氧乙烷(PEO)。 Possible to use other organic binders such as polyvinyl alcohol or polyethylene oxide (PEO). 在用于涂敷照相胶片的设备上,这种材料可通过机器涂敷并在形成图案的薄板上被干燥。 On the device used to coat the photographic film, this material can be applied by the machine and forming a pattern on the sheet is dried. 根据本发明而获得到的液晶显示装置是柔性的并且对压力不敏感,使得显示的信息对弯曲或例如通过使用者的手指施加在显示装置的压力不敏感。 According to the present invention is obtained by the liquid crystal display device is flexible and is not sensitive to pressure, so that the display of information such as by bending or a user's finger is not sensitive to pressure exerted on the display device. 这种材料的大薄板可在制造设备上制造并切割成独立的显示装置。 A large sheet of such a material can be manufactured and cut on a separate display device manufacturing equipment. 披露于EP1115026A中的制造这种乳剂的一个优选方法使用了有限的聚合。 The manufacture of such emulsions are disclosed in EP1115026A a preferred method uses a finite polymerization.

第二图案形式的导体40覆盖在聚合物分散的胆甾相层30上。 The second form of the conductor pattern 40 covering the polymer dispersed cholesteric layer 30. 第二图案形式的导体40应具有足够的传导性,以承载横过聚合物分散的胆甾相层30的场。 The second form of the conductor pattern 40 should have sufficient conductivity to carry across polymer dispersed cholesteric layer 30 in the field. 第二图案形式的导体40可使用铝、锡、银、铂、碳、钨、钼或铟或其组合物在真空环境中形成。 The second pattern of conductors 40 may be used in the form of aluminum, tin, silver, platinum, carbon, tungsten, molybdenum, or indium or combinations thereof are formed in a vacuum environment. 第二图案形式的导体40以沉积层的形式在图中示出。 The second form of the conductor pattern 40 in the form of the deposited layer is shown in FIG. 该金属的氧化物可用于使第二图案形式的导体40变黑。 The metal oxide may be used to form the second conductor pattern 40 black. 该金属材料可通过来自于电阻加热、阴极电弧、电子枪、喷镀或磁控管激励的能量而被激励。 The metal material can be excited by energy from resistance heating, cathodic arc, electron guns, sputtering or magnetron excitation. 氧化锡或铟锡氧化物涂层使得第二图案形式的导体40是透明的。 Tin oxide or indium tin oxide coating such that the form of the second conductor pattern 40 is transparent.

在优选实施例中,第二图案形式的导体40是被印刷的导电墨水,例如Acheson公司的可丝网印刷的导电材料ELECTRODAG 423SS。 In a preferred embodiment, the second conductor pattern 40 is in the form of printed conductive ink, a conductive material such as ELECTRODAG Acheson's screen printable 423SS. 这种印刷材料是在热塑树脂中的精细划分的石墨颗粒。 Such printed materials are finely divided graphite particles in a thermoplastic resin. 第二图案形式的导体40通过使用印刷墨水而形成,以降低显示成本。 The second form of the conductor pattern 40 is formed by using a printing ink, in order to reduce the cost of the display. 用于基板15的柔性支承、形成第一图案形式的导体20的激光蚀刻、以及聚合物分散的胆甾相层30的机器涂敷,这些应用使得以低成本来制造存储显示装置。 Laser etching flexible support for substrate 15 to form a pattern in the form of a first conductor 20, and polymer dispersed cholesteric layer 30 is coated with the machine, so that these applications be manufactured at low cost storage display device.

电介质可印刷在第二图案形式的导体40上并且具有通过43的开口,其使得第二图案形式的导体40与导电迹线互连,该导电迹线形成了迹线以限定行导体45。 The dielectric may be printed on the form of the second conductor pattern 40 and having a through opening 43, which is such that the second conductor pattern 40 and form the conductive traces interconnect, the conductive trace forming a trace to define the row conductors 45. 行导体45是同样的可丝网印刷的导电材料,其用于形成第二图案形式的导体40。 Row conductor 45 is a conductive material similar to screen printing, which is used to form a pattern in the form of a second conductor 40.

图2是接附到事务处理信息卡上的图1所示的显示装置的透视图。 Figure 2 is a perspective view of the display attached to the device shown in FIG transaction information on the card 1. 事务处理信息卡12包括卡本体,该卡本体包括例如选自一组聚酯和聚碳酸酯的热塑性聚合物。 Transaction information card 12 includes a card body, the card body comprises a thermoplastic polymer selected from a group such as polyesters and polycarbonates. 事务处理信息卡12是透明的薄板,厚度约为0.5毫米,其在一个表面上印刷显示有信息。 Transaction information card 12 is a transparent sheet, a thickness of about 0.5 mm, which is printed on one surface with information. 观察区域13为显示内容10提供了区域,观察区域粘接到事务处理信息卡12的相对侧面。 Observation area 13 to display area 10 is provided, the viewing area is bonded to the opposite side of the transaction card 12 of the information. 在该示例中显示装置10具有透明基板15,并且在接附过程中从图1所示的位置翻转。 In this example, the display device 10 includes a transparent substrate 15, and in the attachment process inverted from the position shown in Fig. 写入显示装置10的信息通过事务处理信息卡12的观察区域13和透明基板15可以看到。 Writing information display device 10 through the transaction information card 12 of the viewing area 13 and the transparent substrate 15 can be seen. 观察区域13也可以是事务处理信息卡12中的开口。 Viewing area 13 may be transaction information card 12 in the opening. 该液晶显示装置10可与事务处理信息卡12上的导体粘接并电连接。 The liquid crystal display device 10 with the transaction information on the card and conductive adhesive 12 is electrically connected.

接附有显示装置10的事务处理信息卡12可插入保持器中(未示出),在保持器中的触点14在插入的过程中与显示装置10上的导体连接,以更新在显示装置10上的信息。 Connection with the card transaction information display device 10 can be inserted into the holder 12 (not shown), in the holder 14 connected to conductive contacts 10 on the display device in the insertion process, to update the display device 10 on the information. 事务处理信息卡12可用作通常需要小于10000更新图像的财务(记账/签帐)卡。 Transaction information card usually takes less than 12 can be used to update the image of the financial 10000 (accounting / Spending) card. 术语“事务处理信息卡”包括用于授权或进行一些形式的事务处理的授权卡或事务处理信息卡,该事务涉及现金业务或其它事务,例如进入某一场所。 The term "transaction information card" include some form of authorization or authorization card transaction processing or transaction information card, the transaction of business or other transactions involving cash, such as access to certain sites. 对于本发明的液晶显示装置和系统的其它事务处理信息卡的应用对于本领域的普通技术人员是显而易见的,例如授权卡/事务处理信息卡,例如及时接收进出的信息、停车费用并随后计算余额的停车场卡。 For the liquid crystal display of the present invention is applied to other card transaction processing apparatus and information systems to those of ordinary skill in the art is evident, for example, the authorization card / card transaction information, such as time to receive incoming and outgoing information, and then calculates the parking fee balance parking card. 停车卡披露于JP60215288。 Parking card disclosed in JP60215288. 其它的卡包括例如披露于JP01192593A的购物卡,披露于JP2001291152A的用于贩卖机的卡,此处描述的购物卡,安全卡、礼物卡、银行储蓄卡、电话卡等。 Other cards include, for example disclosed in JP01192593A shopping card, disclosed in JP2001291152A for vending machine cards, shopping cards described here, security cards, gift cards, bank savings cards, phone cards. 在事务处理信息卡上显示的信息可以是例如余额信息。 Message on the display card transaction information may be, for example balance information. 在礼物卡或记账/签帐卡上的现金余额的组合是可显示的典型信息,但是也可在事务处理信息卡中显示其它的信息,例如信用额度或余额、借贷额度、授权范围、帐号、条形码、日期、姓名以及甚至是低分辨率的黑白图像。 Combined on a gift card or billing / debit card cash balances are typical information that can be displayed, but can also display other information in the card transaction information, such as credit or balance, loan amount, the scope of authorization, account , bar code, date, name, and even low-resolution black and white images.

其它额外的卡的特点例如WO01/61640 A1中描述的多卡和US6308890B1中描述的电子卡。 Additional features of other cards such as e-cards and more cards and US6308890B1 WO01 / 61640 A1 described in the description. 本发明的事务处理信息卡除了此处描述的形式之外还可显示。 Transaction information card of the present invention, in addition to the forms described herein can also be displayed. 本领域的普通技术人员应当理解,应包括如WO89/08899所述安全特征。 Ordinary skill in the art will appreciate, should include as described WO89 / 08899 security feature. 事务处理信息卡可具有各种形式和设计的装饰性标记、广告标记或印刷图像。 Transaction information card can have various forms of decoration and design marks, marks or print image advertising.

事务处理信息卡12还包括一个包含可机读信息的存储元件50。 Transaction information card 12 further includes a machine-readable information storage element 50 comprises. 在一个实施例中,存储元件50是与事务处理信息卡12接附且互连的封装半导体芯片,使得可对半导体元件进行信息的电读取和写入。 In one embodiment, the storage element 50 with the transaction information card 12 is attached and interconnected packaged semiconductor chip, so that the semiconductor element can be electrically read and write information. 没有显示装置10的卡是已知的智能卡并满足ISO7816标准,和CR80包装。 No display device is known card 10 and the smart card meets ISO7816 standards, and CR80 packaging. 存储元件50是常规设计的印刷条形码,例如条形码形式:2/5,3/9,128-A,B,C,TELEPEN,EAN8,UPC-A,E,EAN128,MSI和ITF。 Storage element 50 is of conventional design printing barcodes, such as bar code form: 2 / 5,3 / 9,128-A, B, C, TELEPEN, EAN8, UPC-A, E, EAN128, MSI and ITF. 相应于ISO-7811,存储元件50可以是印刷在事务处理信息卡12的表面上的磁性响应材料的区域。 Corresponding to the ISO-7811, the storage element 50 may be printed on the surface of the magnetic card transaction information responsive material 12 of the area. 根据本发明,在存储元件中的可机读的信息用于得出书写在显示屏13上的数据。 According to the present invention, in the storage element of the machine readable information for deriving the write data on the display screen 13.

图3是本发明优选实施例的手型向列相液晶材料的球形畴的截面图。 Figure 3 is a sectional view of a preferred embodiment of the hand-type embodiment of the present invention nematic liquid crystal material of the spherical domain. 畴17封装有足够的聚合物,以便该球形结构在弯曲压力区域施加到聚合物分散的胆甾相层30上时保持光学状态。 Domains 17 polymer encapsulated enough, so that the spherical structure in the bending pressure zone is applied to the polymer dispersed cholesteric layer 30 when holding the optical state. 使用本发明的形式来实现该状态。 Use of the present invention to achieve this state. 畴167具有另一优点,从畴17中的胆甾相材料反射的离轴光亮度相比于限定在两种平玻璃表面之间的胆甾相液晶提高了。 Domain 167 has another advantage, from the 17 domains of cholesteric material of the reflective brightness compared to the off-axis light is defined between two flat cholesteric phase liquid crystal glass surface improves.

图4A和4B示出了胆甾相液晶的两个状态。 4A and 4B illustrate a cholesteric liquid crystal in the two states. 在图4A中,施加了高电压场并且该电压场迅速转换成零电势,这使得胆甾相液晶转变成平面状态22。 In Figure 4A, the application of a high voltage field and the field voltage is rapidly converted to zero potential, which makes the cholesteric liquid crystal 22 into the planar state. 照射处于平面状态的胆甾相液晶的入射光26作为反射光28被反射了,以产生明亮的图像。 Irradiation in the planar state of cholesteric liquid crystal of the incident light 26 as reflected light 28 is reflected to produce a bright image. 在图4B中,低电压场的施加使胆甾相液晶处于透明的焦点圆锥状态24。 In Figure 4B, the low voltage field is applied so that the cholesteric liquid crystal is transparent focal conic state 24. 无论入射光26何时照射处于焦点圆锥状态24的胆甾相液晶,这种光均透射了。 No matter when the incident irradiation in 26 focal conic state of cholesteric liquid crystal 24, such a light transmittance of both. 第二图案形式的导体40可以是黑色的,当胆甾相液晶处于焦点圆锥状态24时其吸收入射光26以产生黑的图像。 The second form of the conductor pattern 40 may be black, when the cholesteric liquid crystal in the focal conic state 24 when it absorbs incident light 26 to produce a black image. 因此,根据胆甾相液晶材料处于平面状态22或焦点圆锥状态24,观察者察觉到明亮或黑暗的图像。 Thus, according to the cholesteric liquid crystal material is 22 or focal conic state 24 state plane, observers perceive a bright or dark images.

图5是胆甾相材料响应于脉冲电场的曲线图。 Figure 5 is a cholesteric material in response to the pulsed electric field graph. 该曲线披露于美国专利5453863和5695682中,以及Paul Drzaic所著的“液晶分散”,世界知识出版社,新加坡,1995中。 This curve is disclosed in US Patent 5,453,863 and 5,695,682, and as well as Paul Drzaic book "LCD fragmented", World Affairs Press, Singapore, 1995.. 对于给定脉冲时间,通常为5-200毫秒,给定电压的脉冲可改变胆甾相液晶的光学状态。 For a given pulse time, typically 5 to 200 msec, for a given voltage pulse can be changed cholesteric liquid crystal optical state. 单极的驱动方案披露于共同转让且共同未决的US SN09/938047中。 Unipolar driving scheme disclosed in commonly assigned and co-pending US SN09 / 938047 in.

在实验中,在优选实施例中明胶分散的胆甾相材料被分散并涂敷在涂敷柔性基板15的ITO之上,以形成聚合物分散的胆甾相层30。 In the experiment, in the preferred embodiment gelatin dispersion of the cholesteric material is dispersed and coated on the ITO coated flexible substrate 15, to form a polymer dispersed cholesteric layer 30. 一平方英寸的导电区印刷在明胶分散的胆甾相材料之上,以提供横过该涂层的场。 One square inch area of the conductive printed on gelatin dispersion of cholesteric material to provide a field across the coating. 20毫秒的单极场每5秒横跨显示装置10转变,以在平面状态和焦点圆锥状态之间转变材料的状态。 20 ms every 5 seconds monopole field across the display device 10 changes to the state between the planar state and the focal conic state transition material. 明胶分散的胆甾相材料在10000次重写入的有限寿命检验中被驱动。 Gelatin dispersed cholesteric materials 10000 rewritten limited life test was driven. 该寿命检验等效于向显示装置10连续200秒施加单极电压。 The life test is equivalent to a unipolar voltage is applied to the display device 10 consecutive 200 seconds. 被检验区在寿命检验中没有明显可见的劣化。 Inspection area is no visible deterioration in the life of the inspection. 该寿命检验随后延长至100000次循环。 The test is then extended to 100,000 life cycles. 被检验的显示装置没有出现劣化。 The display device is not deteriorated tested appear. 由该检验,可得出聚合物分散的胆甾相材料在具有印刷导体的基板15上可由单极(DC)的场来驱动,以用于有限寿命的显示应用的有限次寿命循环。 By the test, can be derived polymer dispersed cholesteric material may be monopolar (DC) field on a substrate having a printed conductor 15 is driven to finite life display applications a finite life cycle. 这种显示装置受益于以单电压操作的不昂贵的且简单的转换芯片的驱动方案。 Such a display device to benefit from inexpensive and simple to convert to a single chip driver program voltage operation.

图6是使用单极驱动方案的胆甾相液晶元件的矩阵阵列的示意图。 Figure 6 is a cholesteric unipolar driving scheme schematic matrix array liquid crystal element. 行电压Vr在选定的行上设定在V3和V4之间的中间值,而其余行设定成零电压。 Row voltage Vr on the selected row is set at an intermediate value between V3 and V4, while the remaining row is set to zero voltage. 正的或负的列电压Vc设定成通过所有列导体47,以抵消VR,根据行像素的所需的最终状态以提供焦点圆锥状态电压V3或平面状态电压V4。 Positive or negative column voltage Vc is set to all column conductors 47 through to offset VR, according to the final status of the desired row of pixels to provide a focal conic state or the planar state voltage V3 voltage V4. 正的或负的列电压VR-V3和V4-VR小于扰动电压V1并且不改变。 Positive or negative column voltage VR-V3 and V4-VR is less than the voltage V1 and the disturbance is not changed. 这些材料特性使得可顺序地进行行写入。 These material properties such that the line can be written sequentially.

图7是图1所示的显示装置10的正视图,其是一个七部段的显示器,构造成可写入矩阵寻址结构。 Figure 7 is a front view of the apparatus shown in Fig. 1 Fig. 10, which is a seven segment display, configured to be written into a matrix addressing structure. 透过基板15观察,透明导体形成图案,以限定第一图案形式的导体20,其是在七部段字符之上的透明导电电极。 Through observation of the substrate 15, the transparent conductor is patterned to define a first pattern in the form of conductor 20, which is a seven-segment characters on a transparent conductive electrode. 聚合物分散的胆甾相层30在第一导体图案形成后被涂敷。 Polymer dispersed cholesteric layer 30 in the first conductor pattern is formed after coating. 聚合物分散的胆甾相层30的一部分除去以形成用于印刷的列导体的连接区域32。 Polymer dispersed cholesteric layer 30 is removed to form a part of the connection region for printing the column conductors 32. 第二图案形式的导体40被印刷,以形成在第一图案形式的导体20的边界内用于每一字符的每一个七部段。 The second form of the conductor pattern 40 is printed to form a pattern within the boundaries of the first conductor 20 for each of the seven segments of each character. 电介质42印刷成经通道43横过显示装置,使得由第二图案形式的导体40形成的每一字符部段电连接。 The dielectric 42 via passage 43 into the printing apparatus across the display, such that each segment character portion by the second electrical conductor 40 is formed a pattern of connection. 导电材料的最后一层在显示装置的背面被印刷,以形成行导体45。 Finally, a layer of conductive material is printed on the back of the display device to form a row conductor 45. 该显示装置10由可寻址的矩阵胆甾相显示装置。 The display device 10 is composed of an addressable matrix cholesteric display device. 显示装置10具有七个行导体45和多个列导体47。 The display device 10 having seven row conductor 45 and a plurality of column conductors 47. 在一个列导体47与连接到行导体45的第二图案形式的导体40重叠的位置处,它们限定出一个可选择成可观看或不可观看的像素或部段。 In one column conductor 47 at a position connected to the row conductor of the second conductor pattern 45 of the form 40 overlapping, they can be selected to define a viewable or not a pixel or section. 其它形式的显示装置和显示驱动器在上述Drzaic的参考文献中进行了描述,或在本领域是已知的。 Other forms of display device and a display drive Drzaic above described references, or are known in the art.

图8是图1实施例的显示装置的前视图。 Figure 8 is a front view of a display device of the embodiment of FIG. 显示装置10结合到事务处理信息卡12的凹陷部中。 The display device 10 coupled to the transaction information card 12 in the recessed portion. 行导体45和列导体47暴露并布置成与触点14互连。 Row conductors 45 and column conductors 47 and arranged with the exposed contact 14 interconnects. 存储元件50在该实施例中是磁性材料带。 Memory element 50 in this embodiment is magnetic tape. 存储元件50和显示装置10定位成使得在事务处理信息卡12上的这两个部件成为机器可接入的。 The display device 50 and the memory element 10 is positioned such that the information on the transaction card 12 of the two machine parts become accessible.

图9是安装在事务处理信息卡12的凹陷部中的图8所示的显示装置10的事务处理信息卡组件的截面图。 Figure 9 is a transaction card assembly sectional view of the information display device shown mounted on the transaction information card 12 in the recessed portion 10 of FIG. 8. 观察区域13是卡材料中的开口,使得可观察显示装置10上的七个部段的字符。 Viewing area 13 is an opening in the card material, such that the character of the seven sections of the apparatus 10 can be observed on the display. 如此设置该开口和定位触点14,即,使得触点压靠在观察区域13外侧与显示装置10上的导体。 So arranged that the opening and positioning the contact 14, i.e., so that the contacts are pressed against the conductor 10 on the outside of the viewing area 13 of the display device.

图10是电路示意图,图1所述的事务处理信息卡组件与从该卡输入可机读的数据以及更新在该卡上的显示的操作相结合。 Figure 10 is a schematic circuit diagram of a transaction card assembly according to the processing information input from the card and the machine-readable data on the card and updates the display of the combined operation. 事务处理信息卡12置入具有处理器52的设备中。 Transaction information into the card 12 has a processor 52 of the device. 数据读取器67从存储元件50上获得信息。 The data reader 67 to obtain information from the storage element 50. 如果该存储元件是智能卡存储芯片,数据通过与存储芯片的电连接顺序地读取。 If the storage element is a smart card memory chips, data is read sequentially by electrical connection with the memory chip. 如果存储元件是磁性带或条形码,事务处理信息卡相对于读取机构移动,以产生由处理器52读取的数据流。 If the storage element is a magnetic strip or bar code, transaction information card with respect to the reading mechanism is moved to generate the data stream read by the processor 52. 来自事务处理信息卡的数据通过处理器52进行操作,以产生将在该卡12上显示出的新数据。 Data from the transaction card information by the processor 52 operates to generate the 12 exhibited in the new data on the card. 设置了外部数据源69,该外部数据源存储了与事务处理信息卡上的可机读的信息有关的信息并且可通过处理器52来访问。 Setting the external data source 69, the external data source information is stored information relating to the transaction can be machine read information on the card and may be accessed by the processor 52. 外部数据源69可以是远端和/或本地终端。 External data source 69 may be the distal end and / or the local terminal. 键盘(未示出)可用于输入信息,例如通过保持器或通过商业机构的雇员。 A keyboard (not shown) may be used to input information, such as an employee or by the holder by commercial organizations.

外部数据源69可包括例如信息数据库,处理器52使用的测量参数数字定时数据,以产生将在该卡12上显示出的新数据。 External data source 69 may comprise, for example measuring the parameters of the digital timing data information database, the processor 52 uses to generate the 12 exhibited in the new data on the card. 行驱动器60和列驱动器65连接到处理器52。 Row driver 60 and column driver 65 connected to the processor 52. 将输出与行驱动器60和列驱动器65连接的触点14分别与行导体45和列导体47连接。 The output of the row driver 60 and column driver 65 are respectively connected to the contacts 14 and row conductors 45 and column conductors 47 is connected. 当事务处理信息卡12插入设备或在处理器52的指令下与事务处理信息卡电机械作用时,在触点14与事务处理信息卡12之间的连接通过机械凸轮来完成。 When the transaction information card 12 is inserted into the device or in the instruction processor 52 and the information card transaction processing electro-mechanical role in the connection between the contacts 12 and 14 to complete the transaction card information by mechanical cams.

处理器52随后通过使用任何常规的胆甾相驱动方案来操作行驱动器60和列驱动器65,以改变装入事务处理信息卡12的显示装置10所显示的信息。 Processor 52 then by using any conventional cholesteric phase drive scheme to operate a row driver 60 and column driver 65 to vary the load transaction information display apparatus 12 of the information card 10 is displayed. 处理器52从存储元件50读取信息,处理该信息并随后通过触点14写入具有聚合物分散的胆甾相材料的显示装置10。 Processor cholesteric material 52 from the storage element 50 to read information, processes the information and then having the polymer dispersed through a contact 14 bile writing display apparatus 10. 胆甾相材料的聚合物分散提供了可更新的显示装置10,该显示装置不需要功率,对压力不敏感,并可弯曲。 Polymer dispersed cholesteric materials is provided a display device 10 may be updated, the display device does not need power, is not sensitive to pressure, and bending. 胆甾相材料所需的电压相对于其它显示系统非常高,如果该显示驱动装置装入事务处理信息卡12,则该胆甾相材料需要复杂的且昂贵的半导体元件。 Cholesteric material required voltage with respect to other display systems is very high, if the display drive apparatus loaded transaction information card 12, the cholesteric materials require complex and expensive semiconductor element. 将行驱动器60和列驱动器65与事务处理信息卡12分开设置并且选择性地在事务处理信息卡12被写入时将其接附,这样可省去在事务处理信息卡12上的驱动元件的成本。 The row driver 60 and column driver 65 and the transaction information card 12 is provided separately and selectively when transaction information is written to the card 12 is attached, so that the driving element 12 can be omitted on the transaction information of the card costs. 使用被涂敷的聚合物分散的胆甾相液晶材料提供了低成本的事务处理信息卡12。 Was coated using a polymer dispersed cholesteric liquid crystal material provides a low-cost card 12 transaction information.

本发明的另一方面涉及事务处理信息卡系统、制造该卡的方法、以及使用该卡的方法。 Another aspect of this invention is a method of information card transaction processing systems, manufacturing of the card, as well as methods of using the card. 例如,具有可机读信息的和可视显示装置的事务处理信息卡的制造过程涉及:提供卡本体;向该卡本体施加用于存储可机读的信息的元件;制造用于显示的柔性显示装置,该显示装置包括对压力不敏感的聚合物分散的胆甾相液晶材料,该液晶材料具有第一平面状态和第二透明的焦点圆锥状态,所述状态响应于施加的电压从而显示信息,其中当该电压除去时所述信息持续保持,该显示装置包括导体阵列,其用于从外部显示驱动器向该显示装置施加选定的电压,以改变该显示装置的状态;以及将该显示装置固定到该卡本体上。 For example, a machine-readable information and a visual display of the manufacturing process of the card transaction processing apparatus of the information related to: providing a card body; manufacturing flexible display for display; applied to the body member to the card information stored machine readable for means, the display means comprises a pressure-insensitive polymer dispersed cholesteric liquid crystal material, the liquid crystal material having a first state and a second transparent planar focal conic state, the state in response to an applied voltage to display information, wherein when the voltage is removed continuously maintain the information, the display device comprises an array of conductors, which is used to drive the external display device to display the selected voltage is applied to change the state of the display device; and the display fixture onto the card body. 在一个实施例中,制造显示装置的步骤包括以下步骤:提供聚合物分散的胆甾相液晶分散体,其中聚合物比液晶的比率足够提供对压力不敏感的分散体的经处理的层;提供具有第一导体的基板;在该基板上涂敷该分散体;和在经涂敷的分散体上印刷导体的阵列。 In one embodiment, the step of manufacturing a display device comprising the steps of: providing a polymer dispersed cholesteric liquid crystal dispersion, wherein the ratio of the liquid crystal polymer is sufficient to provide a ratio of the pressure-insensitive dispersion layer treated; provided a substrate having a first conductor; on the substrate coated with the dispersion; and an array of conductors printed on the coated dispersion. 另一步骤包括所述胆甾相液晶分散在明胶水溶液中,并且包括在涂敷后干燥该分散体的步骤。 Another step includes the cholesteric liquid crystal dispersed in aqueous gelatin, and including the step of drying after coating the dispersion.

提供了一种执行事务处理的方法,其包括以下步骤:提供事务处理信息卡;提供卡处理器,其包括用于读取该可机读信息的读取器,用于接收该信息并执行计算以产生用来显示的信息的处理器,和具有用于接触在卡上的导体阵列的触点阵列的写入器,该写入器用于将经计算的信息写入到该显示装置上;其中使用该卡处理器,以开始在该卡上显示信息;在事务处理中使用该卡;并使用该卡处理器以更新在该卡上的显示装置,以反映该事务处理的结果。 There is provided a method of processing a transaction, comprising the steps of: providing a transaction information card; providing card processor comprising means for reading the machine readable information reader, for receiving the information and perform calculations to generate information for display processors, and having a contact on the card writer conductor arrays of contact array, which is used to write the calculated write information onto the display means; wherein use the card processor, to start display information on the card; the use of the card in a transaction; and use the card processor to update the display device on the card to reflect the result of the transaction.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
CN102046391B2 Apr 200915 May 2013锡克拜控股有限公司Liquid crystal material markings , articles and identification and authentication using liquid crystal material markings
Classifications
International ClassificationB42D15/10, G02F1/139, G06K17/00, G06K19/07, G02F1/13, G06K19/077, G06K19/08
Cooperative ClassificationG06K19/07703, G06K19/077, G06K19/083
European ClassificationG06K19/077A2, G06K19/08C, G06K19/077
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