CN110428771A - Repair the method and system of dim spot caused by defect pixel - Google Patents
Repair the method and system of dim spot caused by defect pixel Download PDFInfo
- Publication number
- CN110428771A CN110428771A CN201910609992.0A CN201910609992A CN110428771A CN 110428771 A CN110428771 A CN 110428771A CN 201910609992 A CN201910609992 A CN 201910609992A CN 110428771 A CN110428771 A CN 110428771A
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- Prior art keywords
- pixel
- brightness
- normal
- defect
- defect pixel
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Classifications
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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
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- 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
- G09G2320/02—Improving the quality of display appearance
Abstract
The present invention discloses a kind of method for repairing dim spot caused by defect pixel, brightness, the brightness for detecting defect pixel, the coordinate for detecting defect pixel including detecting normal pixel, and shown on a display panel by the coordinates feedback of defect pixel to control circuit, reparation defect pixel and by repaired defect pixel.The brightness of normal pixel is as predetermined luminance, and normal pixel provides that additional brightness supplies a gap the brightness of pixel and the brightness of defect pixel is lower than the brightness of normal pixel.In addition, the present invention also provides a kind of systems of dim spot caused by reparation defect pixel.
Description
Technical field
The invention relates to a kind of method and system of dim spot caused by reparation defect pixel, in particular to one kind
The method and system for repairing dim spot caused by defect pixel for organic light emitting diode display.
Background technique
Since present panel resolution continues to increase, pixel density (PPI) is higher and higher, i.e., the yield of panel is good again,
It will appear dim spot.In order to reduce the influence of dim spot, promoting yield and reduce production cost, it is desirable to provide a kind of repair falls into plain pixel
The method and system of caused dim spot, to solve the problems of prior art.
Summary of the invention
One embodiment of the invention provides a kind of method for repairing dim spot caused by defect pixel, including detecting normal pixel
Brightness, the brightness for detecting defect pixel, the coordinate for detecting defect pixel to control electricity and repair the coordinates feedback of defect pixel
Dim spot caused by multiple defect pixel.The brightness of normal pixel is as predetermined luminance, and normal pixel provides additional brightness and makes up
The brightness of defect pixel and the brightness of defect pixel are lower than the brightness of normal pixel.
In one embodiment of this invention, the color of normal pixel is identical as defect pixel.
In one embodiment of this invention, the color of normal pixel includes red, green, blue and white.
In one embodiment of this invention, the supply a gap normal pixel of pixel of additional brightness is provided and is located at defect pixel
Top, oblique upper, lower section or obliquely downward.
In one embodiment of this invention, normal pixel and defect pixel are electrically connected source electrode driver, and source electrode driver connects
Connection control circuit.
Another embodiment of the present invention provides a kind of systems of dim spot caused by reparation defect pixel, including control circuit, source
Driver, normal pixel, defect pixel, memory modules and induction module.Control circuit is electrically connected source electrode driver, and source electrode drives
Dynamic device is electrically connected pixel, and pixel includes normal pixel and defect pixel.Control circuit is electrically connected memory modules and normal pixel
And defect pixel is electrically connected induction module, induction module is electrically connected connection control circuit.The brightness of normal pixel is lacked as predetermined luminance
Brightness of the brightness lower than normal pixel and normal pixel for falling into pixel provide the brightness that additional brightness supplies a gap pixel.
In one embodiment of this invention, the color of normal pixel is identical as defect pixel.
In one embodiment of this invention, the color of normal pixel includes red, green, blue and white.
In one embodiment of this invention, the supply a gap normal pixel of pixel of additional brightness is provided and is located at defect pixel
Top, oblique upper, lower section or obliquely downward.
In one embodiment of this invention, the system for repairing dim spot caused by defect pixel further includes external signal write-in mould
Block and external signal read module, wherein external signal writing module is electrically connected connection control circuit, normal pixel and defect pixel, with
And external signal read module is electrically connected connection control circuit, normal pixel and defect pixel.
Compared to the prior art, the present invention supplies a gap pixel by normal pixel offer additional brightness to reduce dim spot
It influences, and then promotes yield and reduce production cost.
Detailed description of the invention
Fig. 1 is the system schematic of organic light emitting diode display of the embodiment of the present invention；
Fig. 2 is the pixel circuit figure of organic light emitting diode display of the embodiment of the present invention；
Fig. 3 is a flow chart, shows the method that the present invention repairs dim spot caused by defect pixel；
Fig. 4 is the digital analog converter in the source electrode driver (Source Driver IC) of the embodiment of the present invention
The structural schematic diagram of (Digital to analog converter)；
Fig. 5 is the schematic diagram for the over and under that normal pixel of the embodiment of the present invention is located at defect pixel；And
Fig. 6 is that normal pixel of the embodiment of the present invention is located at the oblique upper of defect pixel and the schematic diagram of obliquely downward.
Specific embodiment
For above content of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly, and institute's accompanying drawings is cooperated to make
It is described in detail.
It is the system schematic of organic light emitting diode display of the embodiment of the present invention with reference to Fig. 1, Fig. 1.Organic light emission two
Control circuit 10 in the system 100 of pole pipe display is electrically connected source electrode driver (Source Driver) 20 and memory modules
30, source electrode driver 20 is electrically connected pixel 40, and pixel 40 is electrically connected induction module 50, external signal writing module 60 and external letter
Number read module 70, induction module 50 are electrically connected connection control circuit 10, external signal writing module 60 be electrically connected connection control circuit 10 and
Pixel 40 and external signal read module 80 are electrically connected connection control circuit 10 and pixel 40, and wherein pixel 40 includes normal pixel
And defect pixel.
It is the pixel circuit figure of organic light emitting diode display with reference to Fig. 2, Fig. 2, pixel is electrically connected induction module, outside
Signal writing module (WR) and external signal read module (RD), external signal writing module are electrically connected connection control circuit and pixel,
And external signal read module is electrically connected connection control circuit and pixel.
With reference to Fig. 3, another embodiment of the present invention provides a kind of methods of dim spot caused by reparation defect pixel, including detecting
The brightness of normal pixel, the brightness for detecting defect pixel, the coordinate for detecting defect pixel, by the coordinates feedback of defect pixel to control
Dim spot caused by circuit processed and reparation defect pixel.
Specifically, normal pixel and defect pixel are electrically connected source electrode driver, source electrode driver connects control circuit.Make
The brightness of normal pixel is as predetermined luminance, and compared to the predetermined luminance of normal pixel, the brightness of defect pixel is lower than normal picture
The brightness of element.When detecting defect pixel in system, that is, there is dim spot in display panel, and control circuit is electrically connected source drive
Device and memory modules, issuing signal by external signal writing module and external signal read module enables normal pixel to provide
Additional brightness supplies a gap the brightness of pixel, to reduce the influence of dim spot, and then promotes yield and reduces production cost.It is preferred that
Ground provides the supply a gap normal pixel of pixel of additional brightness and is located at top, oblique upper, lower section or the obliquely downward of defect pixel,
The color of normal pixel is identical as defect pixel and the color of normal pixel includes red, green, blue and white.
With reference to the digital-to-analogue conversion that Fig. 4, Fig. 4 are in the source electrode driver (Source Driver) of the embodiment of the present invention
The structural schematic diagram of device (Digital to analog converter).D represents source signal output channel, and S represents induction letter
Number channel.By the brightness of normal pixel as default luminance, the digital analog converter 21 in source electrode driver can be detected
Defect pixel.
It is the schematic diagram for the over and under that normal pixel of the embodiment of the present invention is located at defect pixel with reference to Fig. 5, Fig. 5.Just
The color of normal pixel includes red (R), green (G) and blue (B), and the brightness of defect pixel is lower than the brightness of normal pixel.Just
Normal pixel is located at the over and under of defect pixel 41, is issued by external signal writing module and external signal read module
Signal enables normal pixel to provide the brightness that additional brightness supplies a gap pixel 41, to reduce the influence of dim spot.For example, red
Color normal pixel offer additional brightness makes up red-deficiency pixel, green normal pixel provides additional brightness and makes up green defect picture
Element and blue normal pixel provide additional brightness and make up blue defect pixel.
It is located at the oblique upper of defect pixel 51 and showing for obliquely downward with reference to the normal pixel that Fig. 6, Fig. 6 are the embodiment of the present invention
It is intended to.The color of normal pixel includes that red (R), green (G), blue (B) and white (W), the brightness of defect pixel 51 are lower than
The brightness of normal pixel.Normal pixel is located at the oblique upper and obliquely downward of defect pixel 51, by external signal writing module with
And external signal read module issues signal and normal pixel is enable to provide the brightness that additional brightness supplies a gap pixel 51, to reduce
The influence of dim spot.For example, the blue normal pixel of left oblique upper and the blue normal pixel of left obliquely downward provide additional bright
Degree makes up blue defect pixel.
Although the present invention is described in conjunction with its specific embodiment, it should be understood that many substitutions, modification and variation pair
It will be apparent in those skilled in the art.Therefore, it is intended to comprising falling into the scope of the appended claims
Interior all substitutions, modification and variation.
Claims (10)
1. a kind of method for repairing dim spot caused by defect pixel characterized by comprising
The brightness for detecting normal pixel, wherein the brightness of the normal pixel is as predetermined luminance；
The brightness of the defect pixel is detected, wherein the brightness of the defect pixel is lower than the brightness of the normal pixel；
The coordinate of the defect pixel is detected, and by the coordinates feedback of the defect pixel to control circuit；And
Dim spot caused by the defect pixel is repaired, wherein the normal pixel, which provides additional brightness, makes up the defect pixel
Brightness.
2. the method as described in claim 1, which is characterized in that the color of the normal pixel is identical as the defect pixel.
3. method according to claim 2, which is characterized in that the color of the normal pixel include red, green, blue and
White.
4. the method as described in claim 1, which is characterized in that provide additional brightness and make up the described normal of the defect pixel
Pixel is located at top, oblique upper, lower section or the obliquely downward of the defect pixel.
5. the method as described in claim 1, which is characterized in that the normal pixel and defect pixel electrical connection source electrode drive
Dynamic device, the source electrode driver connect the control circuit.
6. a kind of system for repairing dim spot caused by defect pixel characterized by comprising
Control circuit；
Source electrode driver, wherein the control circuit is electrically connected the source electrode driver；
Pixel, wherein the source electrode driver is electrically connected the pixel, the pixel includes normal pixel and defect pixel；
Memory modules, wherein the control circuit is electrically connected the memory modules；And
Induction module, wherein the normal pixel and the defect pixel are electrically connected the induction module and the induction mould
Block is electrically connected the control circuit；
Wherein as predetermined luminance, the brightness of the defect pixel is bright lower than the normal pixel for the brightness of the normal pixel
Degree, and wherein the normal pixel provides the brightness that additional brightness makes up the defect pixel.
7. system as claimed in claim 6, which is characterized in that the color of the normal pixel is identical as the defect pixel.
8. system as claimed in claim 7, which is characterized in that the color of the normal pixel includes red, green, blue and white
Color.
9. system as claimed in claim 6, which is characterized in that provide additional brightness and make up the described normal of the defect pixel
Pixel is located at top, oblique upper, lower section or the obliquely downward of the defect pixel.
10. system as claimed in claim 6, which is characterized in that the system also includes external signal writing module and outsides
Signal reading module, wherein the external signal writing module is electrically connected the control circuit, the normal pixel and described lacks
It falls into pixel and the external signal read module is electrically connected the control circuit, the normal pixel and the defect pixel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609992.0A CN110428771A (en) | 2019-07-08 | 2019-07-08 | Repair the method and system of dim spot caused by defect pixel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609992.0A CN110428771A (en) | 2019-07-08 | 2019-07-08 | Repair the method and system of dim spot caused by defect pixel |
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| Publication Number | Publication Date |
|---|---|
| CN110428771A true CN110428771A (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910609992.0A Pending CN110428771A (en) | 2019-07-08 | 2019-07-08 | Repair the method and system of dim spot caused by defect pixel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179775A (en) * | 2020-02-22 | 2020-05-19 | 禹创半导体(广州)有限公司 | Miniature micro LED display |
| CN111933760A (en) * | 2020-09-28 | 2020-11-13 | 苏州科韵激光科技有限公司 | Miniature LED pixel repairing equipment and miniature LED pixel repairing method |
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| CN103617778A (en) * | 2013-11-08 | 2014-03-05 | 青岛海信电器股份有限公司 | Method and device for adjusting pixels of OLED displayer |
| CN106652962A (en) * | 2017-02-15 | 2017-05-10 | 深圳市华星光电技术有限公司 | White balance method for four-color display |
| CN109686302A (en) * | 2019-03-04 | 2019-04-26 | 京东方科技集团股份有限公司 | A kind of display device and its control method |
| CN109727569A (en) * | 2017-10-27 | 2019-05-07 | 优显科技股份有限公司 | The luminance compensation method of light emitting device |
| CN109887461A (en) * | 2019-03-29 | 2019-06-14 | 京东方科技集团股份有限公司 | A kind of display device and display methods |
-
2019
- 2019-07-08 CN CN201910609992.0A patent/CN110428771A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617778A (en) * | 2013-11-08 | 2014-03-05 | 青岛海信电器股份有限公司 | Method and device for adjusting pixels of OLED displayer |
| CN106652962A (en) * | 2017-02-15 | 2017-05-10 | 深圳市华星光电技术有限公司 | White balance method for four-color display |
| CN109727569A (en) * | 2017-10-27 | 2019-05-07 | 优显科技股份有限公司 | The luminance compensation method of light emitting device |
| CN109686302A (en) * | 2019-03-04 | 2019-04-26 | 京东方科技集团股份有限公司 | A kind of display device and its control method |
| CN109887461A (en) * | 2019-03-29 | 2019-06-14 | 京东方科技集团股份有限公司 | A kind of display device and display methods |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179775A (en) * | 2020-02-22 | 2020-05-19 | 禹创半导体(广州)有限公司 | Miniature micro LED display |
| CN111933760A (en) * | 2020-09-28 | 2020-11-13 | 苏州科韵激光科技有限公司 | Miniature LED pixel repairing equipment and miniature LED pixel repairing method |
| CN111933760B (en) * | 2020-09-28 | 2020-12-29 | 苏州科韵激光科技有限公司 | Miniature LED pixel repairing equipment and miniature LED pixel repairing method |
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Application publication date: 20191108 |
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