CN103906357A - Printed circuit board of display module, fixing method of printed circuit board of display module, and display device - Google Patents
Printed circuit board of display module, fixing method of printed circuit board of display module, and display device Download PDFInfo
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- CN103906357A CN103906357A CN201410105784.4A CN201410105784A CN103906357A CN 103906357 A CN103906357 A CN 103906357A CN 201410105784 A CN201410105784 A CN 201410105784A CN 103906357 A CN103906357 A CN 103906357A
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- circuit board
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Abstract
The invention provides a printed circuit board of a display module, a fixing method of the printed circuit board of the display module, and a display device and belongs to the technical field of manufacturing of display devices. The printed circuit board of the display module, the fixing method of the printed circuit board of the display module, and the display device can solve the problems that an existing fixing method of the printed circuit board of the display module is complicated, and fixation is unstable. The flexible printed circuit board comprises a binding area and a fixing area, wherein a light-emitting diode key lamp is arranged on the fixing area of the flexible printed circuit board and used for being fixed to a backlight frame of a light emitting surface of the display module. The fixing method of the printed circuit board of the display module specifically comprises the steps that the binding area is coated with conductive adhesive, and the fixing area is coated with conductive adhesive; the binding area of the flexible printed circuit board is electrically connected with a display panel through hot pressing, and the fixing area of the flexible printed circuit board is fixed to the display panel at the same time. The display device comprises the flexible printed circuit board.
Description
Technical field
The invention belongs to display unit manufacturing technology field, be specifically related to a kind of flexible printed circuit board that shows module and fixing means thereof, display unit.
Background technology
Show that module (Liquid Cristal Module, LCM) is lightweight because having, thin thickness, the advantage such as low in energy consumption is as the display module of various electronic.It comprises display floater, integrated circuit (Integrated Circuit; IC), backlight module, flexible printed circuit board (Flexible Printed Circuit board; The parts such as FPC).Wherein, show that the flexible printed circuit board of module is to be bundled on display floater by conducting resinl, then by double faced adhesive tape or chase, flexible printed circuit board is fixed.
Taking cell phone as example, conventionally on cell phone, be provided with light-emitting diode (Light Emitting Diode; LED) press key lamp, light-emitting diode press key lamp is normally connected with the flexible printed circuit board of the mainboard of cell phone, and then light-emitting diode press key lamp is attached to top or the below of the display floater that shows module.
Inventor finds that in prior art, at least there are the following problems: adopt mode double faced adhesive tape or chase fixing flexible printed circuit board (PCB), the problem of existence is exactly easily sticky not firm, and reliability is bad.Objectively demand shows that module space is larger simultaneously, is unfavorable for product miniaturization.And sticking double faced adhesive tape and chase fixed mode requirement personnel operation, automaticity is not high, and efficiency is low.
Summary of the invention
Technical problem to be solved by this invention comprises, the problems referred to above that exist for the demonstration module of existing electronic equipment, provide a kind of technique simple, and automation efficiency is high, contraposition shows flexible printed circuit board and the fixing means thereof of module accurately, and display unit.
The technical scheme that solution the technology of the present invention problem adopts is a kind of flexible printed circuit board that shows module, it comprises binding district, fixed area, on the fixed area of described flexible printed circuit board, be provided with light-emitting diode press key lamp, and described light-emitting diode press key lamp is for being fixed on the framework backlight of backlight module exiting surface.
Light-emitting diode press key lamp of the present invention is set directly on the flexible printed circuit board that shows module, and be directly fixed on the frame of display floater exiting surface, when the part that is not fixed on display floater exiting surface when flexible printed circuit board is folded to display floater shady face side, light-emitting diode press key lamp there will not be the phenomenon of raising one's head and looking, dwindle significantly requisite space, simplify light-emitting diode press key lamp assembly manipulation when fixing, significantly reduced cost of labor.
Preferably, the binding district of described flexible printed circuit board is electrically connected with display floater by conducting resinl.
Further preferably, described conducting resinl is anisotropic conductive.
Further preferably, the fixed area of described flexible printed circuit board adopts fixing glue to be fixed on display floater.
Further preferably, described fixing glue is conducting resinl.
The technical scheme that solution the technology of the present invention problem adopts is a kind of fixing means of the flexible printed circuit board that shows module, and described flexible printed circuit board comprises binding district and fixed area, and described method specifically comprises the steps:
At binding district coated with conductive glue, fixed area applies fixing glue respectively;
Mode by hot pressing is electrically connected the binding district of described flexible printed circuit board with display floater, the fixed area of described flexible printed circuit board is fixed on display floater simultaneously.
Preferably, described fixing glue is conducting resinl.
The technical scheme that solution the technology of the present invention problem adopts is a kind of display unit, comprises demonstration module, and described demonstration module comprises framework backlight, and the flexible printed circuit board of above-mentioned demonstration module.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of the printed circuit board (PCB) of the demonstration module of embodiments of the invention 1;
Fig. 2 is the fixing means schematic diagram of the printed circuit board (PCB) of the demonstration module of embodiments of the invention 2;
Fig. 3 is the schematic diagram fixedly completing of the printed circuit board (PCB) of the demonstration module of embodiments of the invention 2.
Wherein Reference numeral is: 100, (demonstration module) flexible PCB; 101, light-emitting diode press key lamp; 201, framework backlight; 300, display floater; 400, thermal head; 401, conducting resinl; Q, fixed area.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, the present embodiment provides a kind of flexible printed circuit board 100 that shows module, and this flexible printed circuit board 100 (part-structure of flexible printed circuit board is only shown in Fig. 1) comprises binding district (not shown), fixed area Q.Wherein, binding district refers to the region that the pin of flexible printed circuit board 100 (Pin) is electrically connected with display floater 300; Fixed area Q refers to that flexible printed circuit board 100 is fixed on the region on the framework backlight 201 of display floater 300 by colloid.On the fixed area Q of the flexible printed circuit board 100 of the present embodiment, be provided with light-emitting diode press key lamp 101, and described light-emitting diode press key lamp 101 is fixed on the framework backlight 201 that shows module exiting surface.Wherein, light-emitting diode press key lamp 101 light time as reminding power supply or certain program of display unit to start.
Because the light-emitting diode press key lamp 101 of the present embodiment is set directly on the flexible printed circuit board 100 that shows module, and be directly fixed on the framework backlight 201 of display floater 300 exiting surfaces, when the part that is not fixed on display floater exiting surface when flexible printed circuit board 100 is folded to display floater 300 shady face side, light-emitting diode press key lamp 101 there will not be the phenomenon of raising one's head and looking, dwindle significantly requisite space, simplify assembly manipulation when light-emitting diode press key lamp 101 is fixing, significantly reduced cost of labor.
Preferably, shown in Fig. 2, the binding district of this flexible printed circuit board 100 is electrically connected with display floater 300 by conducting resinl 401.Because there is the little gold goal of many colloid inside of conducting resinl 401, in the time of bearing up-down force, the little gold goal between upper and lower touches and just can form circuit turn-on together.Adopt thus conducting resinl 401 that flexible printed circuit board 100 is connected without lead-in wire with display floater 300 conductings, now show that the structure of module is simpler.Further preferably, this conducting resinl 401 is anisotropic conductive (Anisotropic Conductive Film; ACF glue).
Preferably, the fixed area of this flexible printed circuit board 100 adopts fixing glue to be fixed on display floater.Further preferably, this fixing glue is conducting resinl 401.Now can will on the binding district of flexible printed circuit board 100 and fixed area Q, all be coated with gluing by a step coating technique, complete flexible printed circuit board 100 by heat pressing process again binds and fixes simultaneously, now make the fixing more stable of flexible printed circuit board 100, and automation efficiency is high, and contraposition is accurate.Certainly, the fixed area Q in the present embodiment also can not adopt conducting resinl to be connected with flexible printed circuit board 100, adopts the fixing glue of other colloids to be also fine.
It should be noted that, only illustrated the fixed area Q part of flexible printed circuit board 100 in accompanying drawing 1, binding district does not draw, and fixed area Q and binding district are known in those skilled in the art, do not describe in detail at this.
Embodiment 2:
As shown in Figures 2 and 3, the present embodiment provides a kind of fixing means of the flexible printed circuit board 100 that shows module, this flexible printed circuit board 100 comprises binding district and fixed area Q, wherein, binding district refers to the region that the pin of flexible printed circuit board 100 (Pin) is electrically connected with display floater 300; Fixed area Q refers to that flexible printed circuit board 100 is fixed on the region on the framework backlight of display floater 300 by colloid.The method specifically comprises:
Step 1, respectively at binding district coated with conductive glue, fixed area Q applies fixing glue.Wherein fixing glue is preferably conducting resinl, certainly also adopts the fixing glue of other colloids to be also fine.
Step 2, by the mode of thermal head 400 hot pressing, the binding district of described flexible printed circuit board 100 is electrically connected with display floater 300, the fixed area Q of described flexible printed circuit board 100 is fixed on display floater 300 simultaneously.
In the present embodiment, adopt a fixing mode of hot pressing to complete flexible printed circuit board 100 and bind and fix, now make the fixing more stable of flexible printed circuit board 100, and automation efficiency is high, contraposition is accurate.
Embodiment 3:
The present embodiment provides a kind of display unit, comprises demonstration module, and described demonstration module comprises framework backlight, and the flexible printed circuit board of above-mentioned demonstration module.
The display unit of the present embodiment can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, LCD TV, liquid crystal display, DPF, mobile phone, panel computer, video player.
Be understandable that, above execution mode is only used to principle of the present invention is described and the illustrative embodiments that adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (8)
1. one kind shows the flexible printed circuit board of module, described flexible printed circuit board comprises binding district and fixed area, it is characterized in that, on the fixed area of described flexible printed circuit board, be provided with light-emitting diode press key lamp, and described light-emitting diode press key lamp is for being fixed on the framework backlight that shows module exiting surface.
2. the flexible printed circuit board of demonstration module according to claim 1, is characterized in that, the binding district of described flexible printed circuit board is electrically connected with display floater by conducting resinl.
3. the flexible printed circuit board of demonstration module according to claim 2, is characterized in that, described conducting resinl is anisotropic conductive.
4. according to the flexible printed circuit board of the demonstration module described in claim 2 or 3, it is characterized in that, the fixed area of described flexible printed circuit board adopts fixing glue to be fixed on display floater.
5. the flexible printed circuit board of demonstration module according to claim 4, is characterized in that, described fixing glue is conducting resinl.
6. a fixing means that shows the flexible printed circuit board of module, is characterized in that, described flexible printed circuit board comprises binding district and fixed area, and described method specifically comprises the steps:
At binding district coated with conductive glue, fixed area applies fixing glue respectively;
Mode by hot pressing is electrically connected the binding district of described flexible printed circuit board with display floater, the fixed area of described flexible printed circuit board is fixed on display floater simultaneously.
7. the fixing means of the flexible printed circuit board of demonstration module according to claim 6, is characterized in that, described fixing glue is conducting resinl.
8. a display unit, comprise demonstration module, described demonstration module comprises framework backlight, it is characterized in that, also comprise the flexible printed circuit board of the demonstration module described in any one in claim 1～5, described light-emitting diode press key lamp is fixed on a side of the exiting surface towards described display floater of described framework backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105784.4A CN103906357A (en) | 2014-03-20 | 2014-03-20 | Printed circuit board of display module, fixing method of printed circuit board of display module, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105784.4A CN103906357A (en) | 2014-03-20 | 2014-03-20 | Printed circuit board of display module, fixing method of printed circuit board of display module, and display device |
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| CN103906357A true CN103906357A (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410105784.4A Pending CN103906357A (en) | 2014-03-20 | 2014-03-20 | Printed circuit board of display module, fixing method of printed circuit board of display module, and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107015391A (en) * | 2017-04-26 | 2017-08-04 | 武汉华星光电技术有限公司 | Liquid crystal display panel and its compression method and liquid crystal display |
| CN108153069A (en) * | 2017-12-28 | 2018-06-12 | 惠州市华星光电技术有限公司 | A kind of liquid crystal display panel and preparation method thereof, display device |
| CN108831291A (en) * | 2018-06-29 | 2018-11-16 | 京东方科技集团股份有限公司 | Display panel, display module and preparation method thereof, display device |
| CN110930884A (en) * | 2019-12-20 | 2020-03-27 | 京东方科技集团股份有限公司 | Display module and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107015391A (en) * | 2017-04-26 | 2017-08-04 | 武汉华星光电技术有限公司 | Liquid crystal display panel and its compression method and liquid crystal display |
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| CN108153069B (en) * | 2017-12-28 | 2020-04-10 | 惠州市华星光电技术有限公司 | Liquid crystal display panel, manufacturing method thereof and display device |
| CN108831291A (en) * | 2018-06-29 | 2018-11-16 | 京东方科技集团股份有限公司 | Display panel, display module and preparation method thereof, display device |
| CN108831291B (en) * | 2018-06-29 | 2019-11-05 | 京东方科技集团股份有限公司 | Display panel, display module and preparation method thereof, display device |
| US11301068B2 (en) | 2018-06-29 | 2022-04-12 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display panel, display assembly and manufacturing method thereof, and display device |
| CN110930884A (en) * | 2019-12-20 | 2020-03-27 | 京东方科技集团股份有限公司 | Display module and display device |
| CN110930884B (en) * | 2019-12-20 | 2021-10-01 | 京东方科技集团股份有限公司 | Display module and display device |
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Application publication date: 20140702 |
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