WO2005104532A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2005104532A1 WO2005104532A1 PCT/JP2005/008036 JP2005008036W WO2005104532A1 WO 2005104532 A1 WO2005104532 A1 WO 2005104532A1 JP 2005008036 W JP2005008036 W JP 2005008036W WO 2005104532 A1 WO2005104532 A1 WO 2005104532A1
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- WO
- WIPO (PCT)
- Prior art keywords
- adjustment
- gamma
- gamma correction
- input
- display device
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/202—Gamma control
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0606—Manual adjustment
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/18—Use of a frame buffer in a display terminal, inclusive of the display panel
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
Definitions
- the present invention relates to a projector that enlarges and projects an optical image formed by a display element and a display device such as a direct-view television using a plasma display panel, a liquid crystal panel, or the like as a display element, and particularly relates to a display screen.
- the present invention relates to a display device which displays an adjustment pattern such as a gamma adjustment and a white balance on the top so that the adjustment can be easily performed, and a method of adjusting the same.
- the brightness (luminance) of the displayed image with respect to the video signal input level that is, the input level versus luminance output characteristic of the video signal
- the video input level vs. luminance output characteristics are set to be linear.
- the input-brightness output characteristics of the displayed video are not linear. Therefore, in a display device using a display element other than a CRT, the input-to-luminance output characteristic of a display image is linear, that is, the nonlinearity of the display element is corrected, and the gamma of the CRT is corrected. Matches the characteristics (non-linearity).
- This correction is hereinafter referred to as “gamma correction”, and the correction characteristic is referred to as “gamma correction characteristic”.
- the input level vs. brightness is such that the brightness (brightness) of the output display image is emphasized. Add correction to output characteristics.
- gamma correction these corrections of the display device are referred to as “gamma correction”
- gamma correction characteristics the characteristics of the gamma correction
- gamma correction characteristics the adjustment to the gamma correction characteristics
- Patent Document 1 A conventional gamma adjustment method for a display device is disclosed in Patent Document 1, for example.
- an adjustment item, its adjustment value, and a 10-step signal (adjustment pattern), which is a grayscale pattern for confirming the adjustment state, are displayed on the screen over the input image, and the adjustment is made via operation keys.
- a method of changing the value and checking the adjustment state based on the adjustment pattern is described.
- Patent Document 1 JP-A-10-133163
- Patent Document 1 aims to improve the efficiency of gamma adjustment at the time of production or at the time of service when a product is defective.
- the present invention has been made in view of these problems, and an object of the present invention is to provide a display device and a method of adjusting the display device, which can easily adjust a video intended by a user in a short time. It is in.
- the display device of the present invention provides a gamma correction processing for an input video signal.
- Gamma correction means for performing processing, gamma adjustment means for displaying an adjustment state including an adjustment pattern signal for gamma adjustment, and a gamma correction amount; extracting a specific still image from the input image;
- Video signal display means for displaying, on a screen, a gamma-corrected still image image gamma-corrected by the gamma correction means on the image, and the adjustment pattern signal, the gamma correction amount and the gamma-corrected still image image are the same.
- the present invention it is possible to easily confirm the adjustment state of the gamma characteristic, and to have a skillful adjustment technique such as an end user, so that the adjustment can be performed in a short time. It is possible to provide a gamma adjustment method and display device that can easily display an image with the desired brightness and white balance desired by the adjuster.
- FIG. 1 is a schematic block diagram showing an embodiment of a display device to which the present invention is applied.
- 1 is an analog video signal from an external signal source (not shown)
- 2 is a video signal processing that converts an input analog video signal into a digital video signal and performs predetermined video signal processing.
- 3 is a frame memory
- 6 is a powerful input means such as a remote controller, an operation panel or a communication line
- 7 is a microprocessor (hereinafter abbreviated as “CPU”) having an arithmetic control function. It has a function of controlling the entire display device according to a program described in a built-in ROM (not shown) in accordance with the program.
- CPU microprocessor
- Reference numeral 30 denotes a nonvolatile memory in which a plurality of gamma correction characteristic data 90 and a plurality of adjustment pattern data 100 described later are stored in advance
- 8 denotes an OSD menu display for forming an adjustment menu image described later based on control from the CPU 7.
- Sections 8 and 35 are images read from frame memory 3 and input, menu display of OSD menu display section, and adjustment of gray scale pattern stored in memory 30 input via CPU 7. This is a superimposing unit that digitally superimposes the pattern.
- Reference numeral 4 denotes a gamma correction unit that performs a predetermined gamma correction on an input video according to a gamma correction characteristic set by the CPU 7, and reference numeral 5 denotes a liquid crystal panel that is a display element that displays a gamma-corrected video signal. Note that reference numeral 900 in the memory 30 is user-set gamma correction data described later.
- the video signal 1 is input from an external signal source (not shown) to the video signal processing unit 2, converted into a digital signal by the video signal processing unit 2, and written into the frame memory 3.
- the video signal read from the frame memory 3 is normally input directly to the gamma correction unit 4 via the superimposition unit 35, where the gamma correction unit 4 performs a predetermined gamma correction, and the liquid crystal as a display element.
- the image is displayed on panel 5.
- the menu display is performed on the video signal read from the frame memory 3 (or The menu display and the adjustment pattern) are superimposed and displayed on the LCD panel 5.
- the CPU 7 controls so as to prohibit writing of an input signal to the frame memory 3, stops at a specific scene of the input video, and performs input.
- the image is frozen and displayed on the LCD panel 5.
- the gamma adjustment menu and the adjustment pattern are superimposed and displayed (the details will be described later with reference to the flowchart of FIG. 6).
- a plurality of gamma correction characteristics are stored in the memory 30, and the user can select a desired gamma correction characteristic using the input means 6, and set the gamma correction characteristic in the gamma correction unit 4. .
- the gamma correction characteristic set in the gamma correction unit 4 can be adjusted by the user in gamma adjustment in an adjustment menu described later.
- the video signal processing unit 2 does not have an AZD conversion function of converting an analog signal into a digital signal. Having the ability to pass the ZD Henpo Nobu, it's a matter of course.
- FIG. 2 is an example showing the gamma correction characteristics of the gamma correction unit 4 in FIG. It shows the relationship between the input gradation level of the digital video signal and the brightness (brightness) of the displayed video.
- 9 is a gamma correction characteristic.
- the black circles (9a to 9h) in the figure are the gamma adjustment points, specify the adjustment points to be adjusted by gamma adjustment in the adjustment menu described later, and correct the gamma correction characteristics for the gradation of each adjustment point.
- a to h are input gradation levels for each gamma adjustment point.
- these gradations are referred to as “adjustment gradations” because they are input gradations of the gamma adjustment point.
- the adjustment time can be reduced.
- the input gradation level a of the gamma adjustment point 9a is the lowest gradation value (0 in the case of 8-bit gradation), and the input gradation level h of the gamma adjustment point 9h is the highest gradation value (8 In the case of bit gradation, it is 25 5) and the number of adjustment points is eight.
- the present invention is not limited to this.
- the gamma correction value for the input level (gradation) between the adjustment points is determined by performing an interpolation calculation on the gamma correction values of the preceding and following adjustment points.
- the gamma correction value after gamma adjustment is stored in the memory 30 with a name (sign) different from the preset gamma correction characteristic.
- the user-set gamma correction characteristic data 900 in the memory 30 in FIG. 1 corresponds to this.
- FIG. 3 is an example of an adjustment pattern displayed on a screen stored in the memory 30 in advance.
- a plurality of adjustment pattern data 100 are stored in the memory 30 in advance, and one of the adjustment patterns such as the adjustment patterns 10, 11, and 12 is selected by an instruction command from the input means 6. 'It can be switched and displayed.
- the signal gradation levels of the gray scale patterns (10a to 10h) constituting the adjustment pattern 10 match the adjustment gradation values (a to! 1) of the gamma adjustment points (9a to 9h).
- the luminance of the gamma adjustment point and the luminance of the adjustment pattern correspond one-to-one.
- the gamma adjustment point 9c in Fig. 2 is adjusted so that it becomes brighter from the black circle position to the white circle position, only the luminance at the gamma adjustment point 9c changes, as shown by the change curve 91 shown by the dotted line in Fig.
- FIG. 4 shows an embodiment of an adjustment menu for gamma adjustment according to the present invention.
- an adjustment menu for gamma adjustment (hereinafter referred to as “gamma adjustment menu”) 19 includes an adjustment item display section 13 for displaying adjustment items, and eight gamma adjustment points (FIG. 2). 9a to 9h)
- the gamma adjustment gradation level display unit 14 that indicates the adjustment gradation levels, and the gamma correction characteristics set in the gamma correction unit 4 from the memory 30 as a reference (default), and each gamma shifted from this.
- the scroll bar display section 16 displays the adjustment value at the adjustment point relatively in analog using the scroll bar 16, and the default value force The adjustment value at each shifted gradation (a to!
- Gamma adjustment value display section 15 normal display of externally input video
- PLAYZPAUSE status display section 20 for displaying the still display state
- adjustment color display section for displaying the selected gamma adjustment color. 21 and from That
- And 22 are left and right cursors for designating the type of direction buttons when selecting the adjustment gradation (a to! I) of the gamma adjustment gradation level display unit. Indicates the selected adjustment gradation (a to h) of the gamma adjustment gradation level display section 14, and indicates the type of direction button used to change the gamma correction characteristics with the selected adjustment gradation. It is a cursor.
- Reference numeral 24 denotes a cursor for specifying the type of a direction button (for example, a left direction button) for returning to a higher hierarchy.
- FIG. 7 shows a button arrangement of a remote controller as an example of the input means.
- reference numeral 601 denotes a menu button for displaying, for example, an adjustment menu; 602, a PLAYZPAUSE button for alternately switching between a normal display (moving image display) and a still display of a display image; and 603, a plurality of buttons as shown in FIG.
- Adjustment pattern force An adjustment pattern selection button for selecting a desired one, 604 is an up / down button, 605 is a left / right button, 606 is a decision button, 607 is a gamma correction characteristic stored in the memory 30 (described later).
- the input means 6 for example, a left-right button 605 provided on a remote controller, powers the up / down cursor 23 to adjust the gamma of the gamma adjustment gradation level display section 14.
- Perform the adjustment Select the gradation (gamma adjustment point).
- the adjustment gradation selected at the position where the up / down cursor 23 is located is displayed.
- the brightness of the image is adjusted by, for example, the up / down button 604 at the selected adjustment gradation (gamma adjustment point).
- the adjustment value is displayed on the gamma adjustment value display section 15 relative to the default value, and the relative value is displayed on the scroll bar display section 16 using the scroll bar 16.
- the user can easily check the overall adjustment state by displaying the adjustment state of both at the same time with the adjustment value and the scroll bar.
- the CPU 7 stores a predetermined user registration name (“GAMMA [CUSTOMl] in this example) in the memory 30 (user setting gamma correction characteristic data 900 in the memory 30 in FIG. 1). ”).
- the sign of CUSTOM here, the number
- the gamma correction state is indicated based on the default value, so that the reference original preset gamma correction characteristic is enhanced. Therefore, in the example of FIG. 4, the name of the reference preset gamma correction characteristic is, for example, “GAMMA [PRESET1]”.
- FIG. 5 is an example of a gamma adjustment display screen according to the present invention.
- an input video 18 of a still image corrected with a predetermined gamma correction characteristic is displayed on the display screen of the liquid crystal panel 5.
- an adjustment pattern 17 (for example, the adjustment pattern 10 shown in FIG. 3) is displayed at the upper part of the screen, and a gamma adjustment menu 19 is displayed at the lower right of the screen.
- the gamma-corrected input image 18, the adjustment pattern 17 for assisting gamma adjustment, and the gamma adjustment menu 19 representing adjustment items and adjustment values (numerical values and scroll bars) are displayed on the same screen. it's shown.
- the result of gamma adjustment using the adjustment pattern 17 and the gamma adjustment menu 19 can be easily understood on the input video 18. Can be grasped. If you want to check the adjustment status with another image, change the still image display to the moving image display by operating the PLAYZPAUSE button 602 of the input means 6, and operate the PLAYZPAUSE button 602 again at the desired image to display the still image. By changing to, the adjustment status can be easily checked with another still image. Whether the input video is a moving image or a still image can be grasped on the PLAYZPAUSE status display section 16 of the gamma adjustment menu 19.
- FIG. 8 shows an example of the adjustment menu screen.
- an image item is displayed in the adjustment menu 700.
- an adjustment item 701 relating to an image is displayed.
- the cursor 702 is moved to the position of the adjustment item “gamma” with the up / down direction button 604, and when the determination button 606 is pressed, the adjustment item “gamma” is selected, and as shown in FIG. Adjustment pattern 17 and gamma adjustment menu 19 are displayed on the display screen of panel 5.
- FIG. 6 is a flowchart showing one embodiment of the gamma adjustment method according to the present invention.
- the memory 30 has only the gamma correction characteristics preset in advance, and the currently set gamma correction characteristics are those initially set.
- the gamma adjustment method according to this embodiment as shown in FIG. 6, when performing gamma adjustment, the user first operates the menu button 601 of the input unit 6. In response to this, the CPU 7 displays the adjustment menu 700 in step 501 (hereinafter, steps are abbreviated as “S”).
- the CPU 7 displays an initial adjustment pattern 17 and a gamma adjustment menu 19 on the display screen of the liquid crystal panel 5 as shown in FIG. (If it is not the first adjustment, the gamma adjustment menu corresponding to the adjustment pattern used last time and the gamma correction characteristics currently set in the gamma correction unit 4 is displayed.)
- the CPU 7 freezes the video. This allows a still image to be displayed even when a moving image is input during the adjustment, so that it is easy to confirm which part of the image is being adjusted.
- the CPU 7 alternately operates as shown in FIG. 3, for example.
- Such adjustment patterns 10, 11, and 12 are displayed, for example, in a cyclic order at each user operation. In this way, a desired adjustment pattern for gamma adjustment is selected (S502).
- a desired gamma correction characteristic is selected from the preset gamma correction characteristics stored in the memory 30.
- the CPU 7 operates the gamma correction characteristics stored in the memory 30 for each operation (for example, “GA MMA [PRESET1]”, “GAMMA [PRESET2] J, ) Is displayed cyclically in the adjustment item display section 13 of the gamma adjustment menu 19, and the corresponding gamma correction characteristics are set in the gamma correction section 4, and the adjustment pattern 17 and input Since the image is displayed, a desired gamma correction characteristic can be selected.
- an adjustment color for gamma adjustment is selected.
- the CPU 7 outputs white (W), red (R), green (G), blue (B) of the adjustment color display section 21 of the gamma adjustment menu 19 for each operation. ) Are highlighted in order to indicate the selected color, so that the desired adjustment color can be selected. Since the white balance is set at the time of product shipment, usually the adjustment of white gamma correction characteristics is selected. In the case of white, the gamma correction characteristics of the red, green, and blue colors are adjusted simultaneously.
- the adjusted gradation adjusted in S506 is selected. This selection is made by, for example, moving the position of the up / down cursor 23 in the gamma adjustment menu 19 left and right with the left / right button 605 of the input means 6, for example. Then, the luminance level of the adjustment gradation selected in S507 is adjusted by using the up / down button 604 of the input means 6 while checking the adjustment pattern 17 and the still image 18. At this time, when the adjustment pattern 10 shown in FIG. 3 is used as the adjustment pattern 17, the gradation of each gray scale pattern (for example, c) of the adjustment pattern is displayed in the gamma adjustment gradation level display section in the gamma adjustment menu 19.
- Each of the 14 adjustment gradations corresponds to 1: 1 and, as described in FIG. 2, the adjustment value of the adjustment gradation and the adjustment value and pattern of the previous and next adjustment gradations correspond to each other. It is possible to easily confirm the force of adjustment for any video level that does not need to be repeatedly adjusted for multiple adjustment points because it does not affect the video level. Further, The amount of deviation from the default of the adjustment state can be grasped by the relative numerical value of the gamma adjustment value display section 15 and the position of the scroll bar 16 of the scroll bar display section 16, so that the user can determine the amount of adjustment for all adjustment gradations. You can easily check whether you have made such adjustments.
- S506 and S507 are repeated for each adjustment gradation, and when desired in S508, the menu button 601 is operated in S509 to erase the adjustment pattern 17 and the gamma adjustment menu 19. Cancel the gamma adjustment. At this time, the input video is returned to the moving image state.
- the name of the adjustment item display section 13 of the gamma adjustment menu 19, for example, “GAMMA [PRESET1]” is automatically made to correspond to the name code, and a different user registration name, for example, “GAMMA [CUSTOMl] ”and save it to memory 30.
- This save operation is performed, for example, every time the up / down button 604 is operated.
- the adjustment pattern 17 corresponding to the selected adjustment gradation is selected.
- the gray scale pattern is not highlighted with a thick frame, but may be highlighted. Highlighting makes the adjustment state clearer and improves operability.
- the gamma correction characteristics of each color of red, green, and blue can be individually adjusted.
- the present invention is not limited to this case.
- the step of S504 may be deleted from the flowchart of FIG.
- the force input to the superposition unit 35 for the adjustment pattern is not limited to this.
- the adjustment pattern data in the memory 30 is transferred to the frame memory 3 via the CPU 7.
- Input image data in the image display area may be replaced with adjustment pattern data.
- the result of the user's adjustment based on the preset gamma correction characteristics is displayed as an adjustment value on the gamma adjustment value display unit 15 and the scroll bar display unit 16 as a relative value.
- the gamma correction value corresponding to each adjustment gradation which is not limited to this, may be displayed as an absolute value.
- a display device capable of efficiently obtaining an image of an intended brightness in a short time without requiring a special adjustment technology device during the adjustment, and a display device therefor.
- An adjustment method can be provided.
- FIG. 1 is a schematic block diagram showing one embodiment of a display device according to the present invention.
- FIG. 2 Gamma correction characteristics of the gamma correction unit in FIG.
- FIG. 3 is a diagram showing an embodiment of an adjustment pattern for gamma adjustment according to the present invention.
- FIG. 4 is a diagram showing an embodiment of a gamma adjustment menu according to the present invention.
- FIG. 5 is an explanatory view showing one embodiment of a gamma adjustment screen in the display device of the present invention.
- FIG. 6 is a flowchart showing one embodiment of the adjustment method of the present invention.
- FIG. 7 is a diagram showing an example of a button arrangement of a remote controller as an example of an input unit.
- FIG. 8 is a diagram showing an example of an adjustment menu screen.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/559,654 US20060164442A1 (en) | 2004-04-27 | 2005-04-27 | Display device |
EP05736650A EP1742461A4 (en) | 2004-04-27 | 2005-04-27 | DISPLAY DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-130638 | 2004-04-27 | ||
JP2004130638A JP2005318028A (ja) | 2004-04-27 | 2004-04-27 | 表示装置 |
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WO2005104532A1 true WO2005104532A1 (ja) | 2005-11-03 |
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PCT/JP2005/008036 WO2005104532A1 (ja) | 2004-04-27 | 2005-04-27 | 表示装置 |
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US (1) | US20060164442A1 (ja) |
EP (1) | EP1742461A4 (ja) |
JP (1) | JP2005318028A (ja) |
CN (1) | CN100477733C (ja) |
WO (1) | WO2005104532A1 (ja) |
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US20190139500A1 (en) * | 2017-11-09 | 2019-05-09 | Canon Kabushiki Kaisha | Display apparatus and control method thereof |
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Also Published As
Publication number | Publication date |
---|---|
EP1742461A4 (en) | 2010-11-24 |
CN100477733C (zh) | 2009-04-08 |
EP1742461A1 (en) | 2007-01-10 |
JP2005318028A (ja) | 2005-11-10 |
CN1788488A (zh) | 2006-06-14 |
US20060164442A1 (en) | 2006-07-27 |
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