JP2003066924A - Image processing method for covering defect of liquid crystal panel and image displaying device with the same - Google Patents

Image processing method for covering defect of liquid crystal panel and image displaying device with the same

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Publication number
JP2003066924A
JP2003066924A JP2001259099A JP2001259099A JP2003066924A JP 2003066924 A JP2003066924 A JP 2003066924A JP 2001259099 A JP2001259099 A JP 2001259099A JP 2001259099 A JP2001259099 A JP 2001259099A JP 2003066924 A JP2003066924 A JP 2003066924A
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Japan
Prior art keywords
defect
pixel
liquid crystal
crystal panel
pixels
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Pending
Application number
JP2001259099A
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Japanese (ja)
Inventor
Shuichi Fujiwara
修一 藤原
Original Assignee
Seiko Epson Corp
セイコーエプソン株式会社
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Application filed by Seiko Epson Corp, セイコーエプソン株式会社 filed Critical Seiko Epson Corp
Priority to JP2001259099A priority Critical patent/JP2003066924A/en
Publication of JP2003066924A publication Critical patent/JP2003066924A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To make a defect of a liquid crystal panel inconspicuous. SOLUTION: A defect information showing a position of the defect of the liquid crystal panel and the condition of the defect is prepared in advance. Referring to the defect information, pixel data supplied with correcting object pixel around the defect is corrected based on the pixel data to be supplied to the pixel around at least a correction object pixel and the defect data corresponding to the defect condition.

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image processing method for making a defect of a liquid crystal panel inconspicuous, and an image display device using the same. 2. Description of the Related Art As image display devices for displaying images, various types of direct-view display devices and projection display devices using liquid crystal panels have been developed. [0003] Some liquid crystal panels have drawbacks due to manufacturing problems. The disadvantages are
A point that maintains a constant luminance state regardless of the signal (pixel)
Means The defects include a bright point that maintains a high luminance state (also referred to as a “bright defect”) and a dark point that maintains a low luminance state (also referred to as a “dark defect”). [0004] In the display of an image display device using a liquid crystal panel having such a drawback, the display contents may be difficult to see. [0005] For example, it is assumed that a bright defect occurs in a red pixel constituting one pixel. At this time, if the surrounding pixels including the defect display a black image, only the defective pixel is displayed in red and stands out. Further, it is assumed that a dark defect occurs in a red pixel constituting one pixel. At this time, if the surrounding pixels including the defect display a red image, only the defective pixel is displayed in black and stands out. Alternatively, if the surrounding pixels including the defect display a white image, the defective pixel is displayed in blue-green and stands out. SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the prior art, and has as its object to provide a technique for making defects of a liquid crystal panel inconspicuous. In order to solve at least a part of the above-mentioned problems, the present invention provides, in advance, defect information indicating a position of a defect and a state of the defect in the liquid crystal panel. Prepare Then, referring to the defect information, the pixel data supplied to the correction target pixels around the defect correspond to at least the pixel data supplied to the pixels around the correction target pixel and the state of the defect. Correction is performed based on the defect data. According to the present invention, the pixel data supplied to the pixel to be corrected around the defect is converted into at least the pixel data supplied to the pixels around the pixel to be corrected and the defect data corresponding to the state of the defect. Therefore, the difference in luminance between the defect and the correction target pixel around the defect (hereinafter, also referred to as “contrast”) can be reduced, and the defect of the liquid crystal panel can be made inconspicuous. it can. Here, the pixel data supplied to the pixel to be corrected adjacent to the defect is determined by comparing the pixel data adjacent to the pixel to be corrected and supplied to a normal pixel with the state of the defect. The correction can be made based on the corresponding defect data. In this way, the contrast between the pixel to be corrected adjacent to the defect and the defect can be reduced.
The disadvantage of the liquid crystal panel can be made inconspicuous. The present invention can be implemented in various modes as described below. (1) In an image display device using a liquid crystal panel, an image processing method for making the defects of the liquid crystal panel inconspicuous (2) An image display device capable of making the defects of the liquid crystal panel inconspicuous Form of A. Configuration example of image display device: FIG.
1 is a block diagram illustrating a schematic configuration of an image display device 10 according to an embodiment of the present invention. This image display device 10
Is a controller 100, a non-volatile memory 110,
An image signal conversion unit 120, a frame memory 130, an image size conversion unit 140, a defect correction unit 150, a liquid crystal panel control unit 160, a liquid crystal panel 170, an illumination optical system 180, and a projection optical system 190 are provided. ing. The image display device 10 projects three color lights of red (R), green (G), and blue (B) emitted from the liquid crystal panel 170 for each pixel onto a projection surface SCR via a projection optical system 190. The display is a projection display device that displays an image. The controller 100 includes a CP (not shown).
A microcomputer having a U, a RAM, and a ROM, and a nonvolatile memory 110 via a bus 100b.
, An image signal converter 120 and an image size converter 140
The operation of the defect correction unit 150 and the operation of the liquid crystal panel control unit 160 are controlled. The image signal converter 120 samples the analog image signal PCVS, which is a video output of a computer, and stores it in the frame memory 130. In addition, the television signal TVS, which is a composite signal, is demodulated, sampled, and stored in the frame memory 130. Alternatively, the digital image signal DVS is stored in the frame memory 130. Then, the image data stored in the frame memory 130 is read and supplied to the image size converter 140. The image size converter 140 converts the resolution (image size) of the image data read from the frame memory 130 into image data having a resolution (image size) that can be displayed on the liquid crystal panel 170. The converted image data is input to the defect correction unit 150. The defect correction unit 150 is configured to supply an image supplied from the image size conversion unit 140 based on defect information (including a defect pixel position and a defect state) stored in the nonvolatile memory 110 as described later. Correct the data.
The corrected image data is supplied to the liquid crystal panel control unit 160. The liquid crystal panel control section 160 drives the liquid crystal panel 170 based on the supplied image data. The liquid crystal panel 170 modulates the illumination light from the illumination optical system 180 according to the image data supplied to the liquid crystal panel control section 160. The light modulated by the liquid crystal panel 170 is emitted toward the projection surface SCR by the projection optical system 190, and an image is displayed. Although not shown, the liquid crystal panel 170 includes three liquid crystal panels corresponding to three colors of RGB. Therefore, each circuit of the image signal conversion unit 120 to the liquid crystal panel control unit 160 has a function of processing image signals for three colors of RGB. Further, the illumination optical system 180 has a color light separation optical system that separates light from the light source into three colors of light, and the projection optical system 190 combines three colors of image light to form an image representing a color image. It has a combining optical system for generating light and a projection lens. As the configuration of the optical system of such a projector, various general configurations of the optical system of the projector can be used. B. Configuration Example of Defect Correction Unit: FIG. 2 is a block diagram showing an example of the internal configuration of the defect correction unit 150.
The defect correction unit 150 includes a correction operation data memory 151,
A correction operation unit 153; and a defect correction control unit 1 that controls operations of the correction operation data memory 151 and the correction operation unit 153.
55. Further, the display device includes a display data memory 157 and a display data control unit 159 for controlling the operation of the display data memory 157. The image data adjusted by the image size conversion unit 140 so as to be equal to the resolution (image size) of the liquid crystal panel 170 is basically transmitted to the defect correction control unit 1.
The data is supplied to the display data control unit 159 via the line 55. Then, the display data control unit 159 stores the supplied image data in the display data memory 157. The non-volatile memory 110 previously stores defect information including the position (address) of the defect of the liquid crystal panel 170 and the state of the defect (type of defect: bright defect / dark defect, etc.). . The defect correction control unit 155 refers to the defect information stored in the non-volatile memory 110 and converts the image data supplied from the image size conversion unit 140 into the following (1) and (2). Process according to the procedure. (1) If the supplied image data is not the pixel data of the pixel used for correcting the pixel data of the pixel to be corrected, which will be described later, the defect correction control unit 155 converts the pixel data into a display data control unit. 159. (2) When the supplied image data is pixel data of a pixel used for correcting the pixel data of the pixel to be corrected, the defect correction control unit 155 stores the pixel data in the correction operation data memory 151. To be stored. Using the pixel data stored in the correction operation data memory 151, the correction operation unit 153 causes the correction operation of the image data of the correction target pixel to be executed. Then, the correction operation unit 153
Is supplied to the display data control unit 159. The image data stored in the display data memory 157 is read out by the display data control section 159 and supplied to the liquid crystal panel control section 160. C. Defect Correction Method: In the following, a specific example of a method of correcting the pixel data of the correction target pixel will be described with reference to eight pixels in the horizontal direction (pixels A to H) and six pixels in the vertical direction (pixels 1 to 1).
An example in which a defect occurs in the red liquid crystal panel having the resolution of the pixel 6) will be described. Also, the address or pixel data of each pixel is represented by A1 to A6, B1 to B6,
C1-C6, D1-D6, E1-E6, F1-F6, G
1 to G6 and H1 to H6. C1. In the case of a point defect: FIG. 3 is an explanatory diagram showing a relationship between a point defect of one pixel and a pixel to be corrected. FIG.
Indicates a case where a point defect occurs in the pixel B3. When a point defect of one pixel occurs,
As described below, the pixel data of the pixel adjacent to the defect is corrected. For example, as shown in FIG.
A2, B2, C2, A3, C3, A adjacent to pixel 3
4, B4, and C4 (pixels indicated by cross hatching in the figure) are set as correction target pixels, and the respective pixel data are corrected. FIG. 4 is an explanatory diagram showing a method of generating correction data corresponding to a pixel to be corrected. As shown in FIG. 4A, the pixel data of the correction target pixel B2 (the pixel surrounded by a bold line in the drawing) includes the correction target pixel B2 and the correction target pixel B2 as shown in the following equation (1). , Eight peripheral pixels A1, B1, C1, A2, C2, A3, B3
It is obtained by calculating the average value of the pixel data of nine pixels C3 (pixels surrounded by broken lines in the figure). B2 = (A1 + B1 + C1 + A2 + B2 + C2 + A3 + B3 * + C3) / 9 (1) In Expression (1), the pixel data of each pixel is indicated by the same symbol as the pixel address. Further, since the pixel B3 is a defect, the defect data is indicated by adding a symbol * like B3 * (the same applies hereinafter). The defect data is the state of the defect (bright defect / bright defect) included in the defect information stored in the nonvolatile memory 110.
Dark defect). For example, in the case of a bright defect, gradation data corresponding to the brightest pixel data is set as defect data, and in the case of a dark defect, gradation data corresponding to the darkest pixel data is set. Other correction target pixels A2, C2, A3, C
Among the pixels A3, A4, B4, and C4, the pixels C2, C3, B4, and C4 other than the pixels A2, A3, and A4 are also similar to the pixel B2, as shown in the following equations (2) to (5). It is obtained by calculating the average value of the pixel data. [0034] C2 = (B1 + C1 + D1 + B2 + C2 + D2 + B3 * + C3 + D3) / 9 ... (2) C3 = (B2 + C2 + D2 + B3 * + C3 + D3 + B4 + C4 + D4) / 9 ... (3) B4 = (A3 + B3 * + C3 + A4 + B4 + C4 + A5 + B5 + C5) / 9 ... (4) C4 = (B3 * + C3 + D3 + B4 + C4 + D4 + B5 + C5 + D5) / 9 (5) As shown in FIG. 4B, the pixel A2 to be corrected (the pixel surrounded by a bold line in the figure) is a pixel on the left edge of the liquid crystal panel, and is adjacent to the pixel A2. There are only five pixels A1, B1, B2, A3, and B3. In this case, as shown in the following equation (6), the correction target pixel A2
And five peripheral pixels A adjacent to the correction target pixel A2.
It is obtained by calculating the average value of the pixel data of six pixels 1, B 1, B 2, A 3, and B 3 (pixels surrounded by broken lines in the figure). A2 = (A1 + B1 + A2 + B2 + A3 + B3 *) / 6 (6) Similarly to the pixel A2, the correction target pixels A3 and A4 have six pixels as shown in the following equations (7) and (8). It is obtained by calculating the average value of the pixel data. A3 = (A2 + B2 + A3 + B3 * + A4 + B4) / 6 (7) A4 = (A3 + B3 * + A4 + B4 + A5 + B5) / 6 (8) Here, the correction calculation data memory 151
(FIG. 2) includes at least pixels A1 to A5, B1 to B5, C1 to C, as can be seen from the above equations (1) to (8).
5, D1 to D5 pixel data are stored. The correction calculation unit 153 performs the calculations of the above equations (1) to (8) using the pixel data stored in the correction calculation data memory 151, and calculates each of the correction target pixels A2, B2, C2, A3. C
The correction data of 3, A4, B4, and C4 are calculated. When the defect is the pixel B2, the correction target pixel A1 is averaged by the correction target pixel A1 and four adjacent pixels A2, B1, and B2. That is, the number of pixels adjacent to the pixel to be corrected is 8
If the number of pixels is less than the number of pixels, the correction target pixel and the actual number of pixels adjacent to the correction target pixel may be averaged. As described above, the correction target pixels A2, B2,
C2, A3, C3, A4, B4, and C4 include the defect of the defect B3 as shown in the above equations (1) to (8), respectively.
The pixel data is averaged by pixel data of pixels adjacent to each correction target pixel. Thereby, each correction target pixel A2, B2, C2, A3, C3, A
The pixel data of 4, B4, and C4 can be corrected so that the state of the defect data B3 * indicating the state of the defect of the defect B3 is reflected. Thereby, the defect B3 and the correction target pixels A2, B2, C2, A3, C3, A4, B4, C4
Can be reduced, so that a point defect of one pixel generated in the liquid crystal panel for red can be made inconspicuous. In the above description, a case where a point defect of one pixel has occurred in the liquid crystal panel has been described as an example.
Even when multiple points and defects occur discontinuously,
Each point defect can be similarly corrected. In this example, the liquid crystal panel for red is
Although a case where a point defect of a pixel has occurred is described as an example, in a liquid crystal panel for another color, the display of a defect of one pixel generated on the liquid crystal panel can be similarly made inconspicuous. it can. Further, even when a defect occurs in the liquid crystal panel for a plurality of colors, the point defect of one pixel generated in each liquid crystal panel can be similarly made inconspicuous. C2. FIG. 5 is an explanatory diagram showing a relationship between a continuous point defect (connection defect) of two pixels and a correction target pixel. Even when a link defect of two pixels has occurred, basically, pixel data of a pixel adjacent to the defect is corrected as in the case where a point defect of one pixel has occurred. For example, as shown in FIG.
3 and C3, when there is a connection defect, the ten peripheral pixels A2, B2 and B2 adjacent to the two defects B3 and C3.
The respective pixel data of C2, A3, D3, A4, B4, C4 and D4 (pixels indicated by cross hatching in the figure) are corrected. The correction data of the correction target pixel includes the correction target pixel and the correction target pixel similarly to the case where one defect is generated.
It is obtained by calculating the average value of the pixel data of the peripheral pixels adjacent to the correction target pixel. FIG. 6 is an explanatory diagram showing a method of generating correction data corresponding to a pixel to be corrected. The pixels A2, A3 and A4 to be corrected are represented by the above-mentioned equations (6), (7) and (8), similarly to the above-mentioned point and defect. As shown in FIG. 6A, the pixel B to be corrected
The pixel data of pixel 2 (pixels surrounded by thick lines in the figure) includes a correction target pixel B2 and eight peripheral pixels A1, B1, C1, A2, C2, A3, B3 adjacent to the correction target pixel B2.
It is obtained by calculating the average value of the pixel data of nine pixels C3 (pixels surrounded by broken lines in the figure). However, since the pixel B3 and the pixel C3 are connected defects, the pixel data of the correction target pixel B2 is expressed by the following equation (9) instead of the above equation (1). B2 = (A1 + B1 + C1 + A2 + B2 + C2 + A3 + B3 * + C3 *) / 9 (9) Also, the correction target pixels C2, B4, and C4 are
Similarly, instead of the above equations (2), (4) and (5), they are expressed by the following equations (10), (11) and (12). C2 = (B1 + C1 + D1 + B2 + C2 + D2 + B3 * + C3 * + D3) / 9 (10) B4 = (A3 + B3 * + C3 * + A4 + B4 + C4 + A5 + B5 + C5) / 9 (11) C4 = (B3 + C4 + 5 + C4 = + 3 + 5 + 9) As shown in FIG. 6B, the pixel data of the correction target pixel D2 (the pixel surrounded by a thick line in the figure) is
As shown in the following equation (13), the correction target pixel D2 and eight peripheral pixels C1, D adjacent to the correction target pixel D2
It is determined by calculating the average value of the pixel data of nine pixels 1, 1, E2, C2, E3, C3, D3, and E3 (pixels surrounded by broken lines in the figure). D2 = (C1 + D1 + E1 + C2 + D2 + E2 + C3 * + D3 + E3) / 9 (13) The other correction target pixels D3 and D4 are also represented by the following equations (14) and (15). D3 = (C2 + D2 + E2 + C3 * + D3 + E3 + C4 + D4 + E4) / 9 (14) D4 = (C3 * + D3 + E3 + C4 + D4 + E4 + C5 + D5 + E5) / 9 (15) Here, the correction operation data memory 15
(FIG. 2) shows that at least the pixels A1 to A5, B1 to B5, C1 to C as shown in the above equations (6) to (15).
5, D1 to D5, and E1 to E5 are stored. The correction operation unit 153 includes a correction operation data memory 151.
Using the pixel data stored in the above equation (6),
To (15) to calculate each correction target pixel A2, B
2, C2, D2, A3, D3, A4, B4, C4, D4
Is calculated. As described above, the correction target pixels A2 and B
2, C2, D2, A3, D3, A4, B4, C4, D4
Are, as shown in the above equations (6) to (15), pixel data that includes continuous defects B3 and C3 and is averaged by pixel data of pixels adjacent to each correction target pixel. Thereby, each correction target pixel A2, B
2, C2, D2, A3, D3, A4, B4, C4, D4
Can be corrected so that the defect data B3 * and C3 * indicating the states of the defects B3 and C3 are reflected. Thereby, the defects B3 and C3 and the correction target pixels A2, B2, C2, D2, A3, D3, A4, B
4, C4, and D4 can be reduced in contrast, so that the display of defects of the R liquid crystal panel can be made inconspicuous. In this example, a case where two point defects are continuous in the horizontal direction as the connection defect has been described as an example, but two or more point defects are continuous in any of the vertical, horizontal and diagonal directions. In such a case, the correction can be similarly performed. In this embodiment, the case where one connection defect occurs in the liquid crystal panel is described as an example.
When a plurality of connection defects occur, each of the connection defects can be similarly corrected. In this embodiment, the case where a connection defect has occurred in the liquid crystal panel for red has been described as an example. However, the liquid crystal panel for other colors has a similar problem in the liquid crystal panel. It is possible to make the connected connection defects inconspicuous. Further, even when a connection defect occurs in the liquid crystal panels for a plurality of colors, the connection defect generated in each liquid crystal panel can be similarly made inconspicuous. D. In addition, the present invention is not limited to the above-described examples and embodiments, and can be implemented in various modes without departing from the gist thereof. For example, the following modifications are possible. (1) In the above embodiment, the pixel data of the correction target pixel adjacent to the defect is corrected.
The present invention is not limited to this. Not only adjacent pixels, but also pixels around the adjacent pixels are corrected pixels.
The pixel data may be corrected. In the above embodiment, the correction data of the pixel to be corrected is the average value of the pixel to be corrected and the pixel adjacent to the pixel to be corrected. However, the present invention is not limited to this. Absent. The pixels adjacent to the correction target pixel may be weighted according to the positional relationship with the defect. That is, the pixel data supplied to the pixels around the defect can be corrected so as to approach the defect data so that the defect can be made inconspicuous. (2) In the above embodiment, the case of a color projection type display device using a plurality of liquid crystal panels has been described as an example. However, an image display device using one color liquid crystal panel has disadvantages. Even in the case where a defect occurs, the defect can be similarly made inconspicuous.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a schematic configuration of an image display device 10 as an embodiment of the present invention. FIG. 2 is a block diagram illustrating an example of an internal configuration of a defect correction unit 150. FIG. 3 is an explanatory diagram illustrating a relationship between a point defect of one pixel and a correction target pixel. FIG. 4 is an explanatory diagram illustrating a method of generating correction data corresponding to a correction target pixel. FIG. 5 is an explanatory diagram showing a relationship between continuous point defects of two pixels and pixels to be corrected. FIG. 6 is an explanatory diagram illustrating a method of generating correction data corresponding to a correction target pixel. [Description of Signs] 10 image display device 100 controller 100b bus 110 nonvolatile memory 120 image signal conversion unit 130 frame memory 140 image size conversion unit 150 defect correction unit 151 correction operation data memory 153 Correction calculation section 155 Defect correction control section 157 Display data memory 159 Display data control section 160 Liquid crystal panel control section 170 Liquid crystal panel 180 Illumination optical system 190 Projection optical system

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) G09G 3/20 642 G09G 3/20 642B 670 670A H04N 1/40 H04N 1/40 101Z F-term (Reference) 2H088 FA14 5B057 AA04 CA08 CA12 CA16 CB08 CB12 CB16 CC03 CD06 CE02 CH01 CH11 DB06 5C006 AF46 BB11 BF09 EB04 FA22 5C077 LL04 PP10 PQ12 PQ18 PQ23 SS06 5C080 AA10 BB05 DD01 DD28 EE29 JJ01 JJ02

Claims (1)

  1. Claims: 1. An image display apparatus using a liquid crystal panel, comprising: an image processing method for making a defect of the liquid crystal panel inconspicuous; A step of preparing defect information indicating a state of the defect; and (2) referring to the defect information to convert the pixel data supplied to the correction target pixels around the defect into at least pixels around the correction target pixel. An image processing method comprising: correcting the pixel data based on the supplied pixel data and the defect data corresponding to the state of the defect. 2. The image processing method according to claim 1, wherein in the step (2), pixel data supplied to a correction target pixel adjacent to the defect is converted to a pixel adjacent to the correction target pixel. Pixel data supplied to normal pixels;
    An image processing method for correcting based on defect data corresponding to the state of the defect. 3. An image display device capable of making defects of a liquid crystal panel inconspicuous, comprising: a non-volatile memory for storing defect information indicating a position and a state of a defect of the liquid crystal panel; Referring to the defect information stored in the memory,
    Defect correction for correcting pixel data supplied to a correction target pixel around the defect based on at least pixel data supplied to pixels around the correction target pixel and defect data corresponding to the state of the defect. An image display device comprising:
JP2001259099A 2001-08-29 2001-08-29 Image processing method for covering defect of liquid crystal panel and image displaying device with the same Pending JP2003066924A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425674A (en) * 2005-04-28 2006-11-01 Agilent Technologies Inc Defect mitigation in display panels
JP2007156410A (en) * 2005-12-07 2007-06-21 Lg Phillips Lcd Co Ltd Flat display device, method and apparatus for manufacturing the same, and method and apparatus for controlling picture quality of the same
JP2007156409A (en) * 2005-12-07 2007-06-21 Lg Phillips Lcd Co Ltd Flat display panel device, image quality control apparatus and method thereof
US7889188B2 (en) * 2006-06-29 2011-02-15 Lg Display Co., Ltd. Flat panel display and method of controlling picture quality thereof
US8164604B2 (en) 2006-06-29 2012-04-24 Lg Display Co., Ltd. Flat panel display device and method of controlling picture quality of flat panel display device
US9070316B2 (en) 2004-10-25 2015-06-30 Barco Nv Optical correction for high uniformity panel lights

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9070316B2 (en) 2004-10-25 2015-06-30 Barco Nv Optical correction for high uniformity panel lights
US7292024B2 (en) 2005-04-28 2007-11-06 Avago Technologies Ecbu Ip (Singapore) Pte Ltd Defect mitigation in display panels
GB2425674A (en) * 2005-04-28 2006-11-01 Agilent Technologies Inc Defect mitigation in display panels
JP2007156409A (en) * 2005-12-07 2007-06-21 Lg Phillips Lcd Co Ltd Flat display panel device, image quality control apparatus and method thereof
US7791572B2 (en) 2005-12-07 2010-09-07 Lg Display Co., Ltd. Flat display panel, picture quality controlling apparatus and method thereof
US7847772B2 (en) 2005-12-07 2010-12-07 Lg Display, Co., Ltd. Fabricating method and fabricating apparatus thereof, and picture quality controlling method and apparatus thereof
JP2007156410A (en) * 2005-12-07 2007-06-21 Lg Phillips Lcd Co Ltd Flat display device, method and apparatus for manufacturing the same, and method and apparatus for controlling picture quality of the same
JP4668854B2 (en) * 2005-12-07 2011-04-13 エルジー ディスプレイ カンパニー リミテッド Flat panel display device, manufacturing method thereof, manufacturing device thereof, image quality control method thereof, and image quality control device thereof
JP4602942B2 (en) * 2005-12-07 2010-12-22 エルジー ディスプレイ カンパニー リミテッド Flat panel display and image quality control apparatus and method thereof
US7889188B2 (en) * 2006-06-29 2011-02-15 Lg Display Co., Ltd. Flat panel display and method of controlling picture quality thereof
US8164604B2 (en) 2006-06-29 2012-04-24 Lg Display Co., Ltd. Flat panel display device and method of controlling picture quality of flat panel display device
DE102006060399B4 (en) * 2006-06-29 2015-02-12 Lg Display Co., Ltd. Flat panel display and method of controlling image quality
DE102006060399B9 (en) * 2006-06-29 2015-04-09 Lg Display Co., Ltd. Flat panel display and method of controlling image quality

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