CN110010047A - A kind of test method and device of display panel - Google Patents
A kind of test method and device of display panel Download PDFInfo
- Publication number
- CN110010047A CN110010047A CN201910410527.4A CN201910410527A CN110010047A CN 110010047 A CN110010047 A CN 110010047A CN 201910410527 A CN201910410527 A CN 201910410527A CN 110010047 A CN110010047 A CN 110010047A
- Authority
- CN
- China
- Prior art keywords
- display panel
- gamma curve
- curve value
- mura
- difference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the present disclosure is the test method and device about a kind of display panel.This method comprises: obtaining first gamma curve value of the display panel before carrying out Mura compensation；It detects the display panel and is carrying out the compensated second gamma curve value of Mura；The difference is compared by the difference for calculating the first gamma curve value Yu the second gamma curve value with a standard error；If the difference, in the standard error, judgement compensates successfully the Mura of the display panel.The device includes: acquiring unit, detecting unit, comparing unit and judging unit.The embodiment of the present disclosure ensure that the quality of display panel to a certain extent.
Description
Technical field
The embodiment of the present disclosure is related to the test method and dress of technical field of display panel more particularly to a kind of display panel
It sets.
Background technique
Currently, organic light emitting diodde desplay device due to being provided simultaneously with self-luminous, do not need backlight, contrast it is high,
It is excellent that thickness is thin, visual angle is wide, reaction speed is fast, it is wide to can be used for flexibility panel, use temperature range, construction and processing procedure are simpler etc.
Different characteristic, it is considered to be the emerging application technology of next-generation flat-panel screens.
It is often generated due to production technology etc. in two-d display panel production process Mura (brightness irregularities)
There is bright spot or dim spot in phenomenon, and the display quality of display panel is caused to reduce.Demura technology is a kind of elimination display Mura
Phenomenon makes the uniform technology of picture brightness.The basic principle of Demura technology is that display panel is allowed to show grey menu, uses CCD
(Charge Coupled Device) vision facilities photographed screen obtains the brightness value of each pixel in display panel, then counts
Calculate adjustment the region Mura pixel grayscale value or voltage, so that dark region is brightened, excessively bright region it is dimmed, reach equal
Even display effect.
But when applying Demura technology in actual production, after a position of display panel is by Demura, it may change
Become the Gamma value of this position, so that the quality of display panel is changed.Therefore, it is necessary to improve above-mentioned the relevant technologies side
One or more problem present in case.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The test method and device for being designed to provide a kind of display panel of the embodiment of the present disclosure, and then at least certain
One or more is overcome the problems, such as caused by the limitation and defect due to the relevant technologies in degree.
According to the first aspect of the embodiments of the present disclosure, a kind of test method of display panel is provided, this method comprises:
Obtain first gamma curve value of the display panel before carrying out Mura compensation；
It detects the display panel and is carrying out the compensated second gamma curve value of Mura；
The difference for calculating the first gamma curve value Yu the second gamma curve value carries out the difference and a standard error
Compare；
If the difference, in the standard error, judgement compensates successfully the Mura of the display panel.
In a kind of exemplary embodiment of the disclosure, it is bent to obtain first gamma of the display panel before carrying out Mura compensation
Before the step of line value, comprising:
The first gamma curve value after display panel debugging is compared with standard gamma curve value, if described the
One gamma curve value then carries out Mura compensation to the display panel in a preset range.
In a kind of exemplary embodiment of the disclosure, if the first gamma curve value exceeds the preset range, sentence
The gamma curve of the fixed display panel is debugging failed and shows the first prompt information, first prompt information to indicate not into
Row Mura compensation deals.
In a kind of exemplary embodiment of the disclosure, the preset range is 2.2 ± 0.2.
In a kind of exemplary embodiment of the disclosure, detects the display panel and carrying out compensated second gamma of Mura
The step of curve values, comprising:
The detecting is the display panel to be acquired by optical capturing equipment in the compensated screen message of Mura, and count
Calculation fits the second gamma curve value
In a kind of exemplary embodiment of the disclosure, the optical capturing equipment is CCD camera.
In a kind of exemplary embodiment of the disclosure, if the difference exceeds the standard error, it is determined as to described
The Mura compensation failure of display panel simultaneously shows the second prompt information, which is bad to identify display panel
Product.
In a kind of exemplary embodiment of the disclosure, the standard error is ± 0.02.
According to the second aspect of an embodiment of the present disclosure, a kind of test device of display panel is provided, comprising:
Acquiring unit, for obtaining first gamma curve value of the display panel before carrying out Mura compensation；
Detecting unit is carrying out the compensated second gamma curve value of Mura for detecting the display panel；
Comparing unit, for calculating the difference of the first gamma curve value Yu the second gamma curve value, by the difference with
One standard error is compared；
Judging unit, for determining the difference whether in the standard error, if the difference is in the standard error
In difference, then determine to compensate successfully the Mura of the display panel.
In a kind of exemplary embodiment of the disclosure, the device further include:
Storage unit, for storing standard gamma curve value and the first gamma curve value after display panel debugging；
Comparing unit, for carrying out the first gamma curve value after display panel debugging with standard gamma curve value
It compares, if the first gamma curve value carries out Mura compensation in a preset range, to the display panel.
The technical scheme provided by this disclosed embodiment can include the following benefits:
In embodiment of the disclosure, by the test method and device of the display panel of above-mentioned offer, display panel is recorded
Gamma curve value before and after carrying out Mura compensation, and the difference of the front and back gamma curve is compared with standard error, really
The gamma value of display panel is protected in a certain range, after a position of display panel is compensated by Mura, even if changing this position
The gamma value set can also guarantee to a certain extent the quality of display panel by the above method and device.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 shows the test method flow chart of display panel in disclosure exemplary embodiment；
Fig. 2 shows the test method procedure charts of display panel in disclosure exemplary embodiment；
Fig. 3 shows the test device schematic diagram of display panel in disclosure exemplary embodiment.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot
Structure or characteristic can be incorporated in any suitable manner in one or more embodiments.
In addition, attached drawing is only the schematic illustrations of the disclosure, it is not necessarily drawn to scale.Identical attached drawing mark in figure
Note indicates same or similar part, thus will omit repetition thereof.Some block diagrams shown in the drawings are function
Energy entity, not necessarily must be corresponding with physically or logically independent entity.These function can be realized using software form
Energy entity, or these functional entitys are realized in one or more hardware modules or integrated circuit, or at heterogeneous networks and/or place
These functional entitys are realized in reason device device and/or microcontroller device.
A kind of test method of display panel is provided firstly in this example embodiment.With reference to shown in Fig. 1, this method
May include following step:
Step S101: first gamma curve value of the display panel before carrying out Mura compensation is obtained.
Step S102: it detects the display panel and is carrying out the compensated second gamma curve value of Mura.
Step S103: calculating the difference of the first gamma curve value and the second gamma curve value, by the difference and a mark
Quasi- error is compared.
Step S104: if the difference in the standard error, determine to the Mura of display panel compensation at
Function.
By the test method of the display panel of above-mentioned offer, gamma of the display panel before and after carrying out Mura compensation is recorded
Curve values, and the difference of the front and back gamma curve is compared with standard error, it is ensured that the gamma value of display panel is one
Determine in range, also ensure that the quality of display panel to a certain extent.
In the following, will be carried out referring to figs. 1 to each step of the Fig. 2 to the above method in this example embodiment more detailed
Explanation.
In step s101, first gamma curve value of the display panel before carrying out Mura compensation is obtained.
It is exemplary, when the display panel is after debugging gamma curve success, described in test device reads and records automatically
First gamma curve value of the display panel after debugging successfully.Display panel after debugging gamma curve success then enters next
Demura (optical compensation) process carries out Mura compensation to the display panel, and the Mura compensation is to entire display surface
The brightness uniformity of plate adjusts, and is excessively very uniform when so that human eye checking entire panel.The side of the Mura compensation
Formula can grab the brightness of image under different grayscale of the display panel by CCD, then be calculated by specific algorithm
The compensation rate in the region Mura, then so that the region Mura is reached certain brightness by modes such as complementary drive voltages, concrete mode can
With reference to the prior art, details are not described herein.
In step s 102, it detects the display panel and is carrying out the compensated second gamma curve value of Mura.
It is exemplary, after the region Mura of the display panel is compensated, it can be acquired by optical capturing equipment described aobvious
Show that the image information of panel, then digital simulation go out the second gamma curve value, if but display panel central area quilt
After Demura, it is possible to the second gamma curve value gone out above by digital simulation can be changed, so as to cause display panel
Quality change.
In step s 103, the difference for calculating the first gamma curve value and the second gamma curve value, by the difference and
One standard error is compared.
It is exemplary, for the quality for guaranteeing display panel, in the test process of display panel, after needing to calculate and debugging successfully
The first gamma curve value, after being compensated with the region Mura by digital simulation go out the second gamma curve value difference, and
The difference is compared with standard error, for example, the first gamma curve value is 2.2, the gone out by digital simulation
Two gamma curve values are 2.19, and the standard error is ± 0.02, then the difference of the first gamma curve value and the second gamma curve value
Value is 0.01, which then determines the Mura regional compensation success of the display panel, and the display in standard error
Larger change does not occur for the quality of panel, to ensure that the quality of display panel to a certain extent.
In step S104, if the difference in the standard error, determines to mend the Mura of the display panel
Repay success.
It is exemplary, as shown in Fig. 2, to make the display characteristic of display panel relatively be suitble to human vision property, it is therefore desirable for
The gamma value of display panel reaches 2.2.Each piece of display panel will do it before factory it is gamma-debugged, and it is gamma-debugged general
The brightness for being central area or coloration adjusted meets gamma curve value, and after the completion of debugging, CA310 (optical detection
Instrument/color analysis instrument) will the first gamma curve value after the completion of Auto-Sensing and record debugging, then test device by this
One gamma curve value is compared with standard gamma curve value, so that choosing the successful display panel of debugging carries out subsequent processing.
After carrying out Mura compensation to the display panel, by optical capturing equipment, such as CCD camera, to display surface
Screen of the plate under different grey menus is taken pictures, and by handling the photo, digital simulation goes out the second gamma curve
Value.It is the gamma curve value for carrying out debugging on the basis of the central area of display panel and meeting, if above-mentioned but when gamma-debugged
Central area by Demura and by Mura compensation repair after, then by digital simulation go out the second gamma curve value compared to
First gamma curve value may change, it is therefore desirable to calculate the difference of the first gamma curve value Yu the second gamma curve value
Value, and the difference is compared with the standard error, it could guarantee the quality of display panel to a certain extent.
In one embodiment, step S101 is being carried out, is obtaining first gamma of the display panel before carrying out Mura compensation
Before curve values, further includes:
Step S1011 compares the first gamma curve value after display panel debugging with standard gamma curve value
It is right, if the first gamma curve value carries out Mura compensation in a preset range, to the display panel.
Step S1012 determines the gal of the display panel if the first gamma curve value exceeds the preset range
Horse curve is debugging failed and shows the first prompt information, and first prompt information is to indicate without Mura compensation deals.
Wherein, the preset range is 2.2 ± 0.2.
Exemplary, after debugging to the gamma curve value of the display panel, CA310 will Auto-Sensing and record tune
The first gamma curve value after the completion of examination, then detection device compares the first gamma curve value with standard gamma curve value
It is right, if the first gamma curve value in a preset range, to the display panel carry out Mura compensation, such as debugging after
The first gamma curve value be 2.3, the standard gamma curve value is 2.2, and the preset range is 2.0~2.4, because of 2.0 <
2.3 < 2.4, it is determined that debugging the success of gamma curve value, then the first gamma curve value after debugging successfully for the display panel
The display data being converted into display panel, such as gray scale voltage and/or luminance voltage, then automatically into subsequent processing；If
The first gamma curve value after debugging is 2.5, because 2.5 exceed 2.0~2.4 range, then determines that the display panel debugs gamma
Curve values failure, and show the first prompt information, which is used to indicate the Demura work without next step
Sequence, the above-mentioned gamma curve value debugging process to display panel can refer to the prior art, and this is not restricted.
In one embodiment, it in step S102, detects the display panel and is carrying out the compensated second gamma song of Mura
In the step of line value, the detecting is that the display panel is acquired by optical capturing equipment in the compensated screen letter of Mura
Breath, and digital simulation goes out the second gamma curve value；Wherein, the optical capturing equipment is CCD camera.
Exemplary, CCD is a kind of semiconductor devices, digital signal can be converted by optical image, when the display surface
After the completion of the region Mura of plate is compensated, the screen message of the display panel is shot with CCD camera, passes through the optical signal that will acquire
Digital signal is converted to, and by the digital data transmission to test device, the test device is described by calculating and fitting
Second gamma curve value.About the specific working mode of CCD camera, the prior art can refer to, details are not described herein.
In one embodiment, in step S103, the difference of the first gamma curve value and the second gamma curve value is calculated,
After the step of difference is compared with a standard error, further includes:
Step S1031 is determined as the Mura compensation to the display panel if the difference exceeds the standard error
Fail and show the second prompt information, which is defective products to identify display panel, wherein the standard error
Difference is ± 0.02.
Exemplary, the first gamma curve value is 2.2, and the second gamma curve value is 2.17, then first gal
The difference of horse curve values and the second gamma curve value is 0.03, the range for exceeding standard error because of 0.03, so test device is sentenced
The fixed Mura to the display panel compensates failure, and shows the second prompt information, and second prompt information identifies the display
Panel is defective products, to ensure that the quality of product to a certain extent.
By the test method of the display panel of above-mentioned offer, gamma of the display panel before and after carrying out Mura compensation is recorded
Curve values, and the difference of the front and back gamma curve is compared with standard error, it is ensured that the gamma value of display panel is one
Determine in range, also ensure that the quality of display panel to a certain extent.
It should be noted that although describing each step of method in the disclosure in the accompanying drawings with particular order,
This does not require that or implies must execute these steps in this particular order, or have to carry out step shown in whole
Just it is able to achieve desired result.Additional or alternative, it is convenient to omit multiple steps are merged into a step and held by certain steps
Row, and/or a step is decomposed into execution of multiple steps etc..In addition, being also easy to understand, these steps be can be
Such as it is either synchronously or asynchronously executed in multiple module/process/threads.
Further, in this example embodiment, a kind of test device of display panel is additionally provided.With reference to institute in Fig. 3
Show, which includes acquiring unit, detecting unit, comparing unit and judging unit.
The acquiring unit is for obtaining first gamma curve value of the display panel before carrying out Mura compensation.
The detecting unit is carrying out the compensated second gamma curve value of Mura for detecting the display panel.
The comparing unit is used to calculate the difference of the first gamma curve value Yu the second gamma curve value, by the difference
It is compared with a standard error.
The judging unit is for determining the difference whether in the standard error, if the difference is in the standard
In error, then determine to compensate successfully the Mura of the display panel.
By the test device of the display panel of above-mentioned offer, gamma of the display panel before and after carrying out Mura compensation is recorded
Curve values, and the difference of the front and back gamma curve is compared with standard error, it is ensured that the gamma value of display panel is one
Determine in range, also ensure that the quality of display panel to a certain extent.
In one embodiment, which additionally provides storage unit, and the storage unit is for storing standard gamma
The first gamma curve value after curve values and display panel debugging.
In one embodiment, which additionally provides Date Conversion Unit, and the Date Conversion Unit will be for that will adjust
The first gamma curve value after trying successfully is converted into the display data in display panel, such as gray scale voltage and/or luminance voltage.
In one embodiment, which additionally provides comparing unit, and the comparing unit is used for the display surface
The first gamma curve value after plate debugging is compared with standard gamma curve value, if the first gamma curve value is default one
In range, then Mura compensation is carried out to the display panel.
In another embodiment, which additionally provides the first judgement subelement, and described first determines that subelement is used
If exceeding the preset range in the first gamma curve value, determine that the gamma curve of the display panel is debugging failed simultaneously
Show the first prompt information, first prompt information is to indicate without Mura compensation deals.
In one embodiment, the preset range in the test device is 2.2 ± 0.2.
In one embodiment, the detecting in the test device is to acquire the display panel by optical capturing equipment to exist
The compensated screen message of Mura, and digital simulation goes out the second gamma curve value.
In one embodiment, optical capturing equipment described in the test device is CCD camera.
In one embodiment, which additionally provides the second judgement subelement, and the second judgement subelement is used for
If the difference exceeds the standard error, it is determined as the Mura compensation failure to the display panel and shows the second prompt
Information, second prompt information are defective products to identify display panel.
In one embodiment, the standard error in the test device is ± 0.02.
Understood it should be noted that the working method of each unit of the detection device can refer to above-mentioned detection method,
Details are not described herein.
By the test device of the display panel of above-mentioned offer, gamma of the display panel before and after carrying out Mura compensation is recorded
Curve values, and the difference of the front and back gamma curve is compared with standard error, it is ensured that the gamma value of display panel is one
Determine in range, also ensure that the quality of display panel to a certain extent.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
It should be noted that although being referred to several modules or list for acting the equipment executed in the above detailed description
Member, but this division is not enforceable.In fact, according to embodiment of the present disclosure, it is above-described two or more
Module or the feature and function of unit can embody in a module or unit.Conversely, an above-described mould
The feature and function of block or unit can be to be embodied by multiple modules or unit with further division.As module or list
The component of member display may or may not be physical unit, it can and it is in one place, or may be distributed over
In multiple network units.Some or all of the modules therein can be selected to realize disclosure scheme according to the actual needs
Purpose.Those of ordinary skill in the art can understand and implement without creative efforts.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (10)
1. a kind of test method of display panel, which is characterized in that this method comprises:
Obtain first gamma curve value of the display panel before carrying out Mura compensation；
It detects the display panel and is carrying out the compensated second gamma curve value of Mura；
The difference for calculating the first gamma curve value Yu the second gamma curve value, the difference and a standard error are compared
Compared with；
If the difference, in the standard error, judgement compensates successfully the Mura of the display panel.
2. the test method of display panel according to claim 1, which is characterized in that obtain display panel and carrying out Mura benefit
Before the step of the first gamma curve value before repaying, comprising:
The first gamma curve value after display panel debugging is compared with standard gamma curve value, if first gal
Horse curve values then carry out Mura compensation to the display panel in a preset range.
3. the test method of display panel according to claim 2, which is characterized in that this method further include:
If the first gamma curve value exceeds the preset range, determine that the gamma curve of the display panel is debugging failed
And showing the first prompt information, first prompt information is to indicate without Mura compensation deals.
4. the test method of the display panel according to Claims 2 or 3, which is characterized in that the preset range be 2.2 ±
0.2。
5. the test method of display panel according to claim 1, which is characterized in that detect the display panel and carrying out
The step of Mura compensated second gamma curve value, comprising:
The detecting is the display panel to be acquired by optical capturing equipment in the compensated screen message of Mura, and calculate quasi-
Close out the second gamma curve value.
6. the test method of display panel according to claim 5, which is characterized in that the optical capturing equipment is CCD phase
Machine.
7. the test method of display panel according to claim 1, which is characterized in that this method further include:
If the difference exceeds the standard error, it is determined as the Mura compensation failure to the display panel and shows second
Prompt information, second prompt information are defective products to identify display panel.
8. the test method of display panel according to claim 5, which is characterized in that the standard error is ± 0.02.
9. a kind of test device of display panel characterized by comprising
Acquiring unit, for obtaining first gamma curve value of the display panel before carrying out Mura compensation；
Detecting unit is carrying out the compensated second gamma curve value of Mura for detecting the display panel；
Comparing unit, for calculating the difference of the first gamma curve value Yu the second gamma curve value, by the difference and a mark
Quasi- error is compared；
Judging unit, for determine the difference whether in the standard error, if the difference in the standard error,
Then determine to compensate successfully the Mura of the display panel.
10. the test device of display panel according to claim 9, which is characterized in that the device further include:
Storage unit, for storing standard gamma curve value and the first gamma curve value after display panel debugging；
Comparing unit, for comparing the first gamma curve value after display panel debugging with standard gamma curve value
It is right, if the first gamma curve value carries out Mura compensation in a preset range, to the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410527.4A CN110010047A (en) | 2019-05-16 | 2019-05-16 | A kind of test method and device of display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410527.4A CN110010047A (en) | 2019-05-16 | 2019-05-16 | A kind of test method and device of display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110010047A true CN110010047A (en) | 2019-07-12 |
Family
ID=67177238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910410527.4A Pending CN110010047A (en) | 2019-05-16 | 2019-05-16 | A kind of test method and device of display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110010047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908256A (en) * | 2021-02-24 | 2021-06-04 | Tcl华星光电技术有限公司 | Display panel driving method, display device and driving device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621717A (en) * | 2011-04-01 | 2012-08-01 | 北京国科世纪激光技术有限公司 | Method and system for measuring gamma curve of liquid crystal spatial light modulator |
| CN102737603A (en) * | 2012-06-26 | 2012-10-17 | 中兴通讯股份有限公司 | Liquid crystal display (LCD) screen display method and device for display of LCD screen |
| US20150206485A1 (en) * | 2014-01-21 | 2015-07-23 | Samsung Display Co., Ltd. | Digital gamma correction part, display apparatus having the same and method of driving display panel using the same |
| CN105575350A (en) * | 2016-02-26 | 2016-05-11 | 京东方科技集团股份有限公司 | Mura compensation circuit, Mura compensation method, driving circuit and display device |
| CN105741762A (en) * | 2016-03-31 | 2016-07-06 | 深圳市华星光电技术有限公司 | Method for eliminating Mura of OLED display panel |
| KR20170014578A (en) * | 2015-07-30 | 2017-02-08 | 엘지디스플레이 주식회사 | Circuit for correcting gamma voltage of display device, method for driving the same and display device using the same |
| CN106920496A (en) * | 2017-05-12 | 2017-07-04 | 京东方科技集团股份有限公司 | The detection method and detection means of display panel |
| WO2017166347A1 (en) * | 2016-03-31 | 2017-10-05 | 深圳市华星光电技术有限公司 | Method for eliminating oled display panel mura |
| CN107331347A (en) * | 2017-08-25 | 2017-11-07 | 惠科股份有限公司 | The optimal way and last stage equipment of luminance compensation |
| CN108172167A (en) * | 2017-12-21 | 2018-06-15 | 无锡祥生医疗科技股份有限公司 | Portable ultrasonic equipment shows correction system |
| CN108550345A (en) * | 2018-07-12 | 2018-09-18 | 成都京东方光电科技有限公司 | Gamma correction method and device, display device, computer storage media |
| CN109036326A (en) * | 2018-10-23 | 2018-12-18 | 惠科股份有限公司 | A kind of gamma curve method and device adjusting display panel |
| CN109147707A (en) * | 2018-09-30 | 2019-01-04 | 重庆惠科金渝光电科技有限公司 | Gamma value adjusting method, device and the display equipment of display panel |
| CN109410834A (en) * | 2018-10-22 | 2019-03-01 | 惠科股份有限公司 | A kind of the brightness correction method and brightness correction equipment of display panel |
-
2019
- 2019-05-16 CN CN201910410527.4A patent/CN110010047A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621717A (en) * | 2011-04-01 | 2012-08-01 | 北京国科世纪激光技术有限公司 | Method and system for measuring gamma curve of liquid crystal spatial light modulator |
| CN102737603A (en) * | 2012-06-26 | 2012-10-17 | 中兴通讯股份有限公司 | Liquid crystal display (LCD) screen display method and device for display of LCD screen |
| US20150206485A1 (en) * | 2014-01-21 | 2015-07-23 | Samsung Display Co., Ltd. | Digital gamma correction part, display apparatus having the same and method of driving display panel using the same |
| KR20170014578A (en) * | 2015-07-30 | 2017-02-08 | 엘지디스플레이 주식회사 | Circuit for correcting gamma voltage of display device, method for driving the same and display device using the same |
| CN105575350A (en) * | 2016-02-26 | 2016-05-11 | 京东方科技集团股份有限公司 | Mura compensation circuit, Mura compensation method, driving circuit and display device |
| US20180102091A1 (en) * | 2016-03-31 | 2018-04-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Method of eliminating oled display panel mura |
| WO2017166347A1 (en) * | 2016-03-31 | 2017-10-05 | 深圳市华星光电技术有限公司 | Method for eliminating oled display panel mura |
| CN105741762A (en) * | 2016-03-31 | 2016-07-06 | 深圳市华星光电技术有限公司 | Method for eliminating Mura of OLED display panel |
| CN106920496A (en) * | 2017-05-12 | 2017-07-04 | 京东方科技集团股份有限公司 | The detection method and detection means of display panel |
| CN107331347A (en) * | 2017-08-25 | 2017-11-07 | 惠科股份有限公司 | The optimal way and last stage equipment of luminance compensation |
| CN108172167A (en) * | 2017-12-21 | 2018-06-15 | 无锡祥生医疗科技股份有限公司 | Portable ultrasonic equipment shows correction system |
| CN108550345A (en) * | 2018-07-12 | 2018-09-18 | 成都京东方光电科技有限公司 | Gamma correction method and device, display device, computer storage media |
| CN109147707A (en) * | 2018-09-30 | 2019-01-04 | 重庆惠科金渝光电科技有限公司 | Gamma value adjusting method, device and the display equipment of display panel |
| CN109410834A (en) * | 2018-10-22 | 2019-03-01 | 惠科股份有限公司 | A kind of the brightness correction method and brightness correction equipment of display panel |
| CN109036326A (en) * | 2018-10-23 | 2018-12-18 | 惠科股份有限公司 | A kind of gamma curve method and device adjusting display panel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908256A (en) * | 2021-02-24 | 2021-06-04 | Tcl华星光电技术有限公司 | Display panel driving method, display device and driving device |
| CN112908256B (en) * | 2021-02-24 | 2022-02-22 | Tcl华星光电技术有限公司 | Display panel driving method, display device and driving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9601060B2 (en) | Image processing method and apparatus | |
| USRE43707E1 (en) | Methods, apparatus, and devices for noise reduction | |
| WO2019100443A1 (en) | Mura compensation method and device | |
| CN109979389A (en) | Gamma correction method and device, display device, computer storage medium | |
| CN107845370B (en) | A kind of display methods of display panel, display panel and display device | |
| WO2013000258A1 (en) | Brightness compensation method, device and system for liquid crystal modules | |
| CN108646445B (en) | Defect detection device that self-adaptation is shaded | |
| CN109036265A (en) | Optical compensating member and its operation method applied to display panel | |
| CN106328030B (en) | Correction method and display device | |
| US20140198202A1 (en) | Inspection method for display panel | |
| CN105911724B (en) | Determine the method and apparatus of the intensity of illumination for detection and optical detecting method and device | |
| TWI662531B (en) | Optical compensation apparatus applied to panel and operating method thereof | |
| CN109036266A (en) | Optical compensating member and its operation method applied to display panel | |
| CN108072664B (en) | Appearance detection system and method | |
| CN1859582A (en) | Detecting system and its method for mobile terminal camera head | |
| CN110010047A (en) | A kind of test method and device of display panel | |
| CN105304063A (en) | Image display device, image analysis method and image display method | |
| CN113112947B (en) | Display device and driving method thereof | |
| CN111613157A (en) | Mura repair test method of display panel, display panel and display device | |
| CN106249450A (en) | A kind of LCDs detecting system | |
| CN112954304A (en) | Mura defect evaluation method and system for display panel and readable storage medium | |
| CN109307587B (en) | Display panel detection method, device and system | |
| CN114638831B (en) | Image analysis method and device | |
| CN107591138B (en) | Content display method and device | |
| CN113362751A (en) | Data compensation method and data compensation device of display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20221111 |