CN105976664B - It is a kind of to show the method and system of liquid crystal module screen defect, liquid crystal display - Google Patents
It is a kind of to show the method and system of liquid crystal module screen defect, liquid crystal display Download PDFInfo
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- CN105976664B CN105976664B CN201610294233.6A CN201610294233A CN105976664B CN 105976664 B CN105976664 B CN 105976664B CN 201610294233 A CN201610294233 A CN 201610294233A CN 105976664 B CN105976664 B CN 105976664B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The present invention provides a kind of method and system of display liquid crystal module screen defect, liquid crystal display, the described method includes: according to the screen defect of liquid crystal module, select corresponding sprite bitmap, and edit the gray value of the presetted pixel point in the sprite bitmap, so that the gray value of the presetted pixel point is different from the gray value of other pixels in the sprite bitmap, to generate defect picture bitmap；The defect picture bitmap is stored, and the defect picture bitmap is directed into the ignition device；The ignition device reads the defect picture bitmap, and runs lighting program, shows the defect picture bitmap by the liquid crystal module.The method of display liquid crystal module screen defect of the invention, without collecting the liquid crystal module for largely containing all kinds of defects, without a large amount of start-up, so that it may achieve the purpose that the shape for allowing trainee accurately to understand all kinds of defects, training efficiency is substantially increased, while reducing training cost.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of method for showing liquid crystal module screen defect and
System, liquid crystal display.
Background technique
It before liquid crystal module factory, needs to detect liquid crystal module, is by detecting the picture that liquid crystal module is shown
No existing defects (also referred to as bad phenomenon) judge the quality of liquid crystal module, wherein defect includes a point class, line class, Mura class etc.
Deng.However, detection liquid crystal module needs a large amount of testing staff, in order to allow testing staff can more clearly from, it is accurately geographical
The defects of liquid crystal module picture is solved, needs to collect the liquid crystal module that production largely contains all kinds of defects, testing staff passes through
These underproof liquid crystal modules recognize defect, but this method needs to expend a large amount of manpower to collect substandard product,
And a large amount of start-up is needed to explain all kinds of defects to testing staff, training efficiency is low.
Summary of the invention
The embodiment of the present invention provides a kind of method and system of display liquid crystal module screen defect, liquid crystal display, with solution
The problems such as training efficiency is low, training cost is high present in certainly existing Training Methodology.
The embodiment of the present invention provides a kind of method for showing liquid crystal module screen defect, and this method is used for aobvious to trainee
Show liquid crystal module screen defect, wherein the liquid crystal module runs lighting program by ignition device to show picture, the side
Method includes:
According to the screen defect of liquid crystal module, corresponding sprite bitmap is selected, and edits the sprite bitmap
In presetted pixel point gray value so that the gray value of presetted pixel point be different from the sprite bitmap in other
The gray value of pixel, to generate defect picture bitmap；
The defect picture bitmap is stored, and the defect picture bitmap is directed into the ignition device；
The ignition device reads the defect picture bitmap, and runs lighting program, is shown by the liquid crystal module
The defect picture bitmap.
In the method for display liquid crystal module screen defect described in the embodiment of the present invention, the picture of the liquid crystal module is lacked
Falling into includes: point defect, line defect or MURA defect.
In the method for display liquid crystal module screen defect described in the embodiment of the present invention, when the picture of the liquid crystal module
When defect is point defect, any one pixel is presetted pixel point in the sprite bitmap；When the liquid crystal module
When screen defect is line defect, the pixel in the sprite bitmap on any straight line is presetted pixel point；Work as institute
When the screen defect for stating liquid crystal module is MURA defect, using any one pixel as center pixel in the sprite bitmap
Point, the pixel in preset range centered on central pixel point are presetted pixel point.
In the method for display liquid crystal module screen defect described in the embodiment of the present invention, the sprite bitmap is edited
In presetted pixel point gray value method include: when the screen defect of the liquid crystal module be point defect or line defect when,
The gray value of presetted pixel point is compiled as any one in 0 to 255 different from other pixels in the sprite bitmap
Gray value numerical value；When the screen defect of the liquid crystal module is MURA defect, in central pixel point to preset range side
On the direction of edge, the gray value of presetted pixel point changes in gradient.
In the method for display liquid crystal module screen defect described in the embodiment of the present invention, the sprite bitmap includes
White picture bitmap, black picture bitmap, red picture bitmap, green picture bitmap and/or blue picture bitmap.
The embodiment of the present invention also provides a kind of system for showing liquid crystal module screen defect comprising liquid crystal module, lighting
Device and storage device；
The storage device, for storing defect picture bitmap, wherein the defect picture bitmap passes through according to liquid crystal mould
The screen defect of group, selects corresponding sprite bitmap, and edit the ash of the presetted pixel point in the sprite bitmap
Angle value, so that the gray value that the gray value of presetted pixel point is different from other pixels in the sprite bitmap obtains
?；
The ignition device for obtaining the defect picture bitmap from the storage device, and runs the lighting dress
The lighting program set, wherein the lighting program is for lighting the liquid crystal module；
The liquid crystal module, for showing the defect picture bitmap.
In the system of display liquid crystal module screen defect described in the embodiment of the present invention, the picture of the liquid crystal module is lacked
Falling into includes: point defect, line defect or MURA defect.
In the system of display liquid crystal module screen defect described in the embodiment of the present invention, when the picture of the liquid crystal module
When defect is point defect, any one pixel is presetted pixel point in the sprite bitmap；When the liquid crystal module
When screen defect is line defect, the pixel in the sprite bitmap on any straight line is presetted pixel point；Work as institute
When the screen defect for stating liquid crystal module is MURA defect, using any one pixel as center pixel in the sprite bitmap
Point, the pixel in preset range centered on central pixel point are presetted pixel point.
In the system of display liquid crystal module screen defect described in the embodiment of the present invention, the sprite bitmap is edited
In presetted pixel point gray value method include: when the screen defect of the liquid crystal module be point defect or line defect when,
The gray value of presetted pixel point is compiled as any one in 0 to 255 different from other pixels in the sprite bitmap
Gray value numerical value；When the screen defect of the liquid crystal module is MURA defect, in central pixel point to preset range side
On the direction of edge, the gray value of presetted pixel point changes in gradient.
The present invention provides a kind of liquid crystal display again comprising liquid crystal module, lighting unit and storage unit；
The storage unit, for storing defect picture bitmap, wherein the defect picture bitmap passes through according to liquid crystal mould
The screen defect of group, selects corresponding sprite bitmap, and edit the ash of the presetted pixel point in the sprite bitmap
Angle value, so that the gray value that the gray value of presetted pixel point is different from other pixels in the sprite bitmap obtains
?；
The lighting unit for obtaining the defect picture bitmap from the storage unit, and runs the lighting list
The lighting program of member, wherein the lighting program is for lighting the liquid crystal module；
The liquid crystal module, for showing the defect picture bitmap.
Compared with prior art, the method for a kind of display liquid crystal module screen defect of the invention, it is corresponding single by editing
Color picture bitmap generates the defect picture bitmap for containing various defects, and defect picture bitmap is directed into ignition device, leads to
The lighting program in operation ignition device is crossed, so that defect picture bitmap is shown in liquid crystal module, i.e., by all kinds of defects
It is presented to trainee, this method largely contains the liquid crystal module of all kinds of defects without collecting, without a large amount of start-up,
It can achieve the purpose that trainee is allowed accurately to understand all kinds of defects, and this method can at any time carry out trainee
Training, is not limited by the time, substantially increases training efficiency, while reducing training cost.
A kind of system showing liquid crystal module screen defect provided by the invention and a kind of liquid crystal display, using the present invention
The method of the display liquid crystal module screen defect of offer, so that the system and liquid crystal display utensil of display liquid crystal module screen defect
There are the advantages such as training efficiency is high, and training cost is low.
Detailed description of the invention
Fig. 1 is the flow chart that the method for liquid crystal module screen defect is shown in the preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram that the system of liquid crystal module screen defect is shown in the preferred embodiment of the present invention.
Specific embodiment
Schema is please referred to, wherein identical component symbol represents identical component, the principle of the present invention is to implement one
It is illustrated in computing environment appropriate.The following description be based on illustrated by the specific embodiment of the invention, should not be by
It is considered as the limitation present invention other specific embodiments not detailed herein.
Fig. 1 is please referred to, Fig. 1 is the flow chart that the method for liquid crystal module screen defect is shown in the preferred embodiment of the present invention.
The method of the display liquid crystal module screen defect includes:
Step S101 selects corresponding sprite bitmap according to the screen defect of liquid crystal module, and edits the monochrome
The gray value of presetted pixel point in picture bitmap, so that the gray value of presetted pixel point is different from the sprite position
The gray value of other pixels in figure, to generate defect picture bitmap；
Step S102 stores the defect picture bitmap, and the defect picture bitmap is directed into the ignition device；
Step S103, the ignition device reads the defect picture bitmap, and runs lighting program, passes through the liquid crystal
Defect picture bitmap described in module displays.
The following detailed description of the specific stream of each step of the method for the display liquid crystal module screen defect of this preferred embodiment
Journey.
In step s101, the screen defect of liquid crystal module includes point defect, line defect or MURA defect, wherein point lacks
Fall into refer in the picture that liquid crystal module show, in black picture some pixel be bright spot, or in white picture some
The number that stain perhaps dim spot bright spot, stain or dim spot occurs in pixel can be 1 or multiple, more when to be multiple
The arrangement mode of a bright spot, stain or dim spot also there are many kinds of, such as multiple bright spots are dispersed in black picture, or wherein
The display liquid that several horizontal arranged ends of bright spot etc., either which kind of arrangement mode can be provided using this preferred embodiment
The method of brilliant mould group screen defect is presented to trainee；Line defect refers in the picture that liquid crystal module is shown, monochrome
The gray value of pixel in face on certain straight line is different from gray value elsewhere, obviously sees in sprite
Straight line is obtained, under normal circumstances, which is horizontal linear or vertical straight line；MURA defect refers in liquid crystal module
In the picture of display, a certain pixel in sprite is very bright, and centered on the point, the brightness of the pixel of surrounding
Successively successively decrease, forms the shape of a similar halation.It is understood that this method is not only applicable to above-mentioned three kinds of defects,
It can be used for other kinds of defect, be not specifically limited herein.
Since different types of defect needs to show in different sprites, it is therefore desirable to according to different type
Defect select the sprite bitmap adaptable with it, edited according to the shape of defect default in sprite bitmap
The gray value of pixel, so that the gray value of presetted pixel point is different from the gray value of other pixels, to generate defect picture
Face bitmap.Here, sprite bitmap includes white picture bitmap, black picture bitmap, red picture bitmap, green picture position
Figure or blue picture bitmap, be certainly not limited to it is above-mentioned several, if in selected sprite bitmap, by the obvious table of defect
Reveal and, is not specifically limited herein.
It should be noted that the corresponding presetted pixel point of different defects is different, when the screen defect of liquid crystal module
When for point defect, any one pixel is presetted pixel point in sprite bitmap, and the number of certain presetted pixel point can be with
It is for 1 or multiple, it is not specifically limited herein；When the screen defect of the liquid crystal module is line defect, sprite position
Pixel in figure on any straight line is presetted pixel point, wherein any straight line includes horizontal linear or vertical straight
Line；When the screen defect of liquid crystal module is MURA defect, using any one pixel as center pixel in sprite bitmap
Point, the pixel in preset range centered on central pixel point are presetted pixel point.
When the screen defect of liquid crystal module be point defect or line defect when, by the gray value of presetted pixel point be compiled as 0 to
Any one in 255 is different from the numerical value of the gray value of other pixels in sprite bitmap, it is to be understood that default picture
The gray value of vegetarian refreshments differs bigger with the gray value of the pixel at other positions in sprite bitmap, then the defect generated is drawn
The defects of face bitmap is more obvious, for example, when editing fleck defect, using black monochromatic picture, in black monochromatic picture
The gray value of presetted pixel point compiles 255, rather than the gray value at presetted pixel point is still 0, so that being formed has significantly
The defect picture bitmap of fleck defect；When the screen defect of liquid crystal module is MURA defect, due to the shape class of MURA defect
Like halation shape, thus from central pixel point to the direction at preset range edge on, the gray value of presetted pixel point becomes in gradient
Change, to form the defect picture bitmap with halation shape.Gray value by editing presetted pixel point is different from monochrome
The gray value of pixel in the bitmap of face at other positions, so that predetermined position forms certain pattern in sprite bitmap,
Form defect picture bitmap.
In step S102 and S103, storage device stores the defect picture bitmap of generation, and by defect picture
Bitmap is directed into ignition device, here, storage device can be by the width generated in step S101 or several defect picture positions
Scheme while storing, convenient for carrying out continuing the operation such as editor to defect picture bitmap later；Ignition device reads defect picture
Bitmap, and the lighting program in ignition device is run, lighting program controls liquid crystal module according to defect picture bitmap and shows picture
Face, so that the trainee defect picture bitmap that is shown by liquid crystal module learns all kinds of defects.
The method for the display liquid crystal module screen defect that this preferred embodiment provides, by editing corresponding sprite position
Figure, generation is various to contain defective defect picture bitmap, and defect picture bitmap is directed into ignition device, passes through operating point
Lighting program in lamp device so that defect picture bitmap is shown in liquid crystal module, i.e., by various defects be presented to by
Instruction personnel, compared with prior art, this method largely contain the liquid crystal module of all kinds of defects without collecting, without a large amount of training
Instruction personnel, so that it may achieve the purpose that trainee is allowed accurately to understand all kinds of defects, and this method can be at any time to trained
Personnel give training, are not limited by the time, substantially increase training efficiency, while reducing training cost.
Referring to figure 2., Fig. 2 is the structural representation that the system of liquid crystal module screen defect is shown in the preferred embodiment of the present invention
Figure.The system 20 of the display liquid crystal module screen defect of this preferred embodiment includes: storage device 201, ignition device 202 and liquid
Brilliant mould group 203.
Storage device 201 is for storing defect picture bitmap, wherein defect picture bitmap passes through the picture according to liquid crystal module
Planar defect selects corresponding sprite bitmap, and edits the gray value of the presetted pixel point in sprite bitmap, so that in advance
If the gray value that the gray value of pixel is different from other pixels in sprite bitmap obtains.
Herein it is to be understood that the screen defect of liquid crystal module includes point defect, line defect or MURA defect, wherein
Point defect refers to that in the picture that liquid crystal module is shown, bright spot occurs in some pixel in black picture, or in white picture
In some pixel the number of stain perhaps dim spot bright spot, stain or dim spot occur can be 1 or multiple, when being more
When a, the arrangement mode of multiple bright spots, stain or dim spot also there are many kinds of, such as multiple bright spots are dispersed in black picture,
Or wherein horizontal arranged end of several bright spots etc.；Line defect refers in the picture that liquid crystal module is shown, in sprite
The gray value of pixel on certain straight line is different from gray value elsewhere, obviously could see in sprite
There is straight line, under normal circumstances, which is horizontal linear or vertical straight line；MURA defect refers to be shown in liquid crystal module
Picture in, the certain point in sprite is very bright, and centered on the point, the brightness of the pixel of surrounding is successively passed
Subtract, forms the shape of a similar halation.Certainly, the defects of the defects of this preferred embodiment picture bitmap is not limited to above-mentioned
It is several.
Since different types of defect needs to show in different sprites, it is therefore desirable to according to different type
Defect select the sprite bitmap adaptable with it, edited according to the shape of defect default in sprite bitmap
The gray value of pixel, so that the gray value of presetted pixel point is different from the gray value of other pixels, to generate defect picture
Face bitmap.Here, sprite bitmap includes white picture bitmap, black picture bitmap, red picture bitmap, green picture position
Figure or blue picture bitmap, be certainly not limited to it is above-mentioned several, if in selected sprite bitmap, by the obvious table of defect
Reveal and, is not specifically limited herein.
It should be noted that the corresponding presetted pixel point of different defects is different, when the screen defect of liquid crystal module
When for point defect, any one pixel is presetted pixel point in sprite bitmap, and the number of certain presetted pixel point can be with
It is for 1 or multiple, it is not specifically limited herein；When the screen defect of the liquid crystal module is line defect, sprite position
Pixel in figure on any straight line is presetted pixel point, wherein any straight line includes horizontal linear or vertical straight
Line；When the screen defect of liquid crystal module is MURA defect, using any one pixel as center pixel in sprite bitmap
Point, the pixel in preset range centered on central pixel point are presetted pixel point.
When the screen defect of liquid crystal module be point defect or line defect when, by the gray value of presetted pixel point be compiled as 0 to
Any one in 255 is different from the numerical value of the gray value of other pixels in sprite bitmap, it is to be understood that default picture
The gray value of vegetarian refreshments differs bigger with the gray value of the pixel at other positions in sprite bitmap, then the defect generated is drawn
The defects of face bitmap is more obvious, for example, when editing fleck defect, using black monochromatic picture, in black monochromatic picture
The gray value of presetted pixel point compiles 255, rather than the gray value at presetted pixel point is still 0, so that being formed has significantly
The defect picture bitmap of fleck defect；When the screen defect of liquid crystal module is MURA defect, due to the shape class of MURA defect
Like halation shape, thus from central pixel point to the direction at preset range edge on, the gray value of presetted pixel point becomes in gradient
Change, to form the defect picture bitmap with halation shape.
Ignition device 202 is used to obtain defect picture bitmap from storage device 201, and runs the lighting of ignition device 202
Program, wherein lighting program controls display module 203 according to defect picture bitmap and shows picture, that is, lights liquid crystal module
203, so that the trainee defect picture bitmap that is shown by liquid crystal module 203 learns all kinds of defects.
In the system for the display liquid crystal module screen defect that this preferred embodiment provides, storage device 201 is for storing
That makes is all kinds of containing defective defect picture bitmap, and ignition device 202 gets various defects from storage device 201 and draws
Face bitmap, and the lighting program in ignition device 202 is run, so that lighting program controls liquid crystal mould according to defect picture bitmap
The 203 corresponding defect picture bitmap of display of group, trainee are learned by the defect picture bitmap that viewing liquid crystal module 203 is shown
All kinds of defects are practised, it is compared with prior art, various containing defective liquid crystal module without a large amount of personnel collection, without a large amount of
Start-up, trainee can learn all kinds of defects by viewing defect picture bitmap at any time as needed, mention significantly
High training efficiency, while reducing training cost.
This preferred embodiment provides a kind of liquid crystal display comprising liquid crystal module, lighting unit and storage unit.
Storage unit is for storing defect picture bitmap, wherein defect picture bitmap passes through the picture according to liquid crystal module
Defect selects corresponding sprite bitmap, and edits the gray value of the presetted pixel point in the sprite bitmap, so that
The gray value that the gray value of the presetted pixel point is different from other pixels in the sprite bitmap obtains.Due to explanation
Defect picture bitmap and its generating process have been described before book in detail, in order to illustrate the terseness of book, herein will not
It repeats again.
Lighting unit is used to obtain defect picture bitmap from storage unit, and runs the lighting program of lighting unit, wherein
Lighting program is for lighting liquid crystal module；Liquid crystal module makes for showing defect picture bitmap for trainee's study
With.
The liquid crystal display that this preferred embodiment provides, is mainly used for that trainee is allowed to be well understood that liquid crystal mould
Various defects in group picture, stored by storage unit it is various containing defective defect picture bitmap, and by lighting unit
Lighting program liquid crystal display is controlled according to defect picture bitmap to trainee's display defect picture bitmap, so that trained
Personnel can achieve the purpose that clearly to recognize all kinds of defects compared with prior art, have by a liquid crystal display
There is the advantages that training efficiency is high, at low cost, training process is more convenient.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (8)
1. a kind of method for showing liquid crystal module screen defect, this method is used to show that liquid crystal module picture lacks to trainee
It falls into, wherein the liquid crystal module runs lighting program by ignition device to show picture, which is characterized in that the method packet
It includes:
According to the screen defect of liquid crystal module, corresponding sprite bitmap is selected, and is edited in the sprite bitmap
The gray value of presetted pixel point, so that the gray value of presetted pixel point is different from other pixels in the sprite bitmap
The gray value of point, to generate defect picture bitmap；
The defect picture bitmap is stored, and the defect picture bitmap is directed into the ignition device；
The ignition device reads the defect picture bitmap, and runs lighting program, shown by the liquid crystal module described in
Defect picture bitmap；
The screen defect of the liquid crystal module includes point defect, line defect or MURA defect；
When the screen defect of the liquid crystal module is the MURA defect, with any one in the sprite bitmap
Pixel is center pixel, and the pixel in preset range centered on the central pixel point is the presetted pixel
Point, on the direction of the central pixel point to the edge of the preset range, the gray value of the presetted pixel point is in gradient
Variation.
2. the method for display liquid crystal module screen defect according to claim 1, which is characterized in that when the liquid crystal module
Screen defect when being the point defect, any one pixel is the presetted pixel in the sprite bitmap
Point；When the screen defect of the liquid crystal module is the line defect, any straight line in the sprite bitmap
On pixel be the presetted pixel point.
3. the method for display liquid crystal module screen defect according to claim 2, which is characterized in that edit the monochrome
The method of the gray value of the presetted pixel point in the bitmap of face includes: when the screen defect of the liquid crystal module is described
When point defect or the line defect, the gray value of the presetted pixel point is compiled as any one in 0 to 255 different from described
The numerical value of the gray value of other pixels in sprite bitmap.
4. the method for display liquid crystal module screen defect according to claim 1, which is characterized in that the sprite position
Figure includes white picture bitmap, black picture bitmap, red picture bitmap, green picture bitmap and/or blue picture bitmap.
5. a kind of system for showing liquid crystal module screen defect, which is characterized in that the system comprises liquid crystal modules, ignition device
And storage device；
The storage device, for storing defect picture bitmap, wherein the defect picture bitmap passes through according to liquid crystal module
Screen defect selects corresponding sprite bitmap, and edits the gray value of the presetted pixel point in the sprite bitmap,
So that the gray value that the gray value of the presetted pixel point is different from other pixels in the sprite bitmap obtains；
The ignition device for obtaining the defect picture bitmap from the storage device, and runs the ignition device
Lighting program, wherein the lighting program is for lighting the liquid crystal module；
The liquid crystal module, for showing the defect picture bitmap；
The screen defect of the liquid crystal module includes point defect, line defect or MURA defect；
When the screen defect of the liquid crystal module is the MURA defect, with any one in the sprite bitmap
Pixel is center pixel, and the pixel in preset range centered on the central pixel point is the presetted pixel
Point, on the direction of the central pixel point to the edge of the preset range, the gray value of the presetted pixel point is in gradient
Variation.
6. the system of display liquid crystal module screen defect according to claim 5, which is characterized in that when the liquid crystal module
Screen defect when being the point defect, any one pixel is the presetted pixel in the sprite bitmap
Point；When the screen defect of the liquid crystal module is the line defect, any straight line in the sprite bitmap
On pixel be the presetted pixel point.
7. the system of display liquid crystal module screen defect according to claim 6, which is characterized in that edit the monochrome
The method of the gray value of the presetted pixel point in the bitmap of face includes: when the screen defect of the liquid crystal module is described
When point defect or the line defect, the gray value of the presetted pixel point is compiled as any one in 0 to 255 different from described
The numerical value of the gray value of other pixels in sprite bitmap.
8. a kind of liquid crystal display, which is characterized in that the liquid crystal display includes that liquid crystal module, lighting unit and storage are single
Member；
The storage unit, for storing defect picture bitmap, wherein the defect picture bitmap passes through according to liquid crystal module
Screen defect selects corresponding sprite bitmap, and edits the gray value of the presetted pixel point in the sprite bitmap,
So that the gray value that the gray value of the presetted pixel point is different from other pixels in the sprite bitmap obtains；
The lighting unit for obtaining the defect picture bitmap from the storage unit, and runs the lighting unit
Lighting program, wherein the lighting program is for lighting the liquid crystal module；
The liquid crystal module, for showing the defect picture bitmap；
The screen defect of the liquid crystal module includes point defect, line defect or MURA defect；
When the screen defect of the liquid crystal module is the MURA defect, with any one in the sprite bitmap
Pixel is center pixel, and the pixel in preset range centered on the central pixel point is the presetted pixel
Point, on the direction of the central pixel point to the edge of the preset range, the gray value of the presetted pixel point is in gradient
Variation.
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| CN109426013B (en) * | 2017-08-23 | 2020-06-23 | 京东方科技集团股份有限公司 | Method and device for analyzing and detecting and repairing defects of color film substrate |
| CN111340781B (en) | 2020-02-26 | 2024-06-25 | 京东方现代（北京）显示技术有限公司 | Method and device for rechecking bad products |
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| JP2000215310A (en) * | 1999-01-20 | 2000-08-04 | Internatl Business Mach Corp <Ibm> | Picture quality evaluating method and picture quality evaluating device utilizing the same |
| JP2004239733A (en) * | 2003-02-05 | 2004-08-26 | Seiko Epson Corp | Defect detection method and apparatus of screen |
| JP4513962B2 (en) * | 2005-01-12 | 2010-07-28 | 横河電機株式会社 | Pseudo defect image creation method and apparatus using the same |
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