CN104157243B - OLED pixel difference shielding device - Google Patents
OLED pixel difference shielding device Download PDFInfo
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- CN104157243B CN104157243B CN201410405880.0A CN201410405880A CN104157243B CN 104157243 B CN104157243 B CN 104157243B CN 201410405880 A CN201410405880 A CN 201410405880A CN 104157243 B CN104157243 B CN 104157243B
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Abstract
The invention discloses an OLED pixel difference shielding device. The device comprises a sub pixel input modulation unit, a sub pixel drive control unit, a display unit, an image acquisition unit, an image processing unit, a sub pixel difference parameter processing unit and a display control unit. According to the invention, a technical scheme is further improved; a display device carries out parameter adjusting on an image signal which is not input into the display device for display device luminescent property requirements of different application environments when the display device is used in different application environments; and the display device can flexibly adapt to various application environments.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of oled display device.
Background technology
For flat panel display equipment, all pixels are allowed to have the identical characteristics of luminescence, thus allowing display device illumination effect
Uniformly always industry a great problem, especially Organic Light Emitting Diode (oled) display device, due to manufacture craft and aging
Etc. reason, the characteristics of luminescence constituting each pixel of oled display is inconsistent, leads to display color drift, brightness
Uneven the problems such as, badly influence display effect and the actual life of display, this is that oled display at present can not
The key factor of large-scale promotion application.In addition, display device would generally use in different application environment, and different application ring
Border requires to differ to the characteristics of luminescence of display device.Current regulative mode is to be input to display device in picture signal
Before carry out limited adjustment, flexibility is excessively poor.
Content of the invention
In view of this, the present invention provides a kind of device of shielding oled pixel difference it can be ensured that Organic Light Emitting Diode
Oled display device has the unified characteristics of luminescence, and technical scheme is as follows:
A kind of device of shielding oled pixel difference, described device includes, and sub-pixel input modulating unit, sub-pixel drive
Control unit, display device, image acquisition units, graphics processing unit, sub-pixel differentiation parameter processing unit and display control
Unit processed.
Sub-pixel input modulating unit and sub-pixel differentiation parameter processing unit, sub-pixel drive control unit and display
Control unit is connected, and display control unit output control information is to sub-pixel input modulating unit to drive sub-pixel input modulation
Cell operation, sub-pixel inputs the parameter after modulating unit receives sub-pixel differentiation processing unit processes, and sub-pixel is inputted
Parameter changes into and is input to the sub-pixel of sub-pixel drive control unit and actually enters parameter；
Sub-pixel drive control unit is connected with display device, and described sub-pixel drive control unit is defeated for sub-pixel reality
Enter parameter and be converted into physical drives signal, drive display device sub-pixel to light；
Image acquisition units are connected with display device and graphics processing unit, and described image collecting unit produces test signal
And the sub-pixel for emitting light information to display device, obtain luminescent image pixel point set, and by luminescent image pixel
Collection is transferred to graphics processing unit；Graphics processing unit is connected with sub-pixel characterisitic parameter extraction unit, and graphics processing unit will
Luminescent image pixel point set information transfer after process is extracted to sub-pixel characterisitic parameter extraction unit, sub-pixel characterisitic parameter
Unit obtains the sub-pixel for emitting light characteristic information of display device from described luminescent image pixel point set information, and sub-pixel is sent out
Light characteristic information transfer is processed and is stored to sub-pixel differentiation parameter processing unit.
Described sub-pixel inputs the son that modulating unit reads the display device of sub-pixel differentiation parameter processing unit storage
Calculated according to the transformation for mula of reality output GTG and input GTG after pixel light emission characteristic information, gained will be calculated actual
Input GTG is transferred to sub-pixel drive control unit to drive the sub-pixel for emitting light of display device.
Described sub-pixel input modulating unit include lvdsrx module, fifo module, camera_pattern module,
Data_pattern data module, computing module, dma, flash memory, ddr memory etc., described sub-pixel input modulation
Unit passes through lvdsrx receives input signal, sends a signal to sub-pixel drive control unit after modulation treatment；Meanwhile, lead to
Cross camera_pattern module and produce test information, light the sub-pixel in display device, complete to display device sub-pixel
The measurement of the characteristics of luminescence；Its data_pattern module is used for producing close beta image, for the luminous effect to display device
Fruit is tested；The parameter that sub-pixel differentiation processing unit produces is stored in falsh memory, and described sub-pixel input modulation is single
Parameter is put into ddr memory by dma by unit, when processing to outer input data, reads each sub-pixel by dma
Parameter, send into arithmetic module, according to reality output GTG y with input GTG x transformation for mula calculated, will count
Calculate gained and be transferred to sub-pixel drive control unit.
Described sub-pixel differentiation parameter processing unit also includes nonvolatile memory, and described nonvolatile memory is used
Parameter after storage sub-pixel differentiation processing unit processes.
Application technique scheme not only considered the feature of pixel light emission device it is also contemplated that integrated treatment analog-driven
The impacts such as unit otherness, signal transmission path otherness it is ensured that the uniformity of the integrative luminescence properties of light emitting of display picture element, this
Inventive technique scheme has considered the impact of whole system it is ensured that all pixels have the unified characteristics of luminescence；And, this
When bright further improved technical scheme can make display device use in different application environment, for different application environment
Requirement to the characteristics of luminescence of display device, is input to the adjustment of display device advance line parameter, makes display device to picture signal
Extremely flexibly adapt to various applied environments.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments described in invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The device embodiment schematic diagram of the shielding oled pixel difference of Fig. 1 present invention；
Sub-pixel input modulating unit in Fig. 2 embodiment of the present invention realizes schematic device.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into protection scope of the present invention.
Embodiment one
One of the present embodiment shields the device of oled pixel difference, and described device includes, and sub-pixel input modulation is single
Unit, sub-pixel drive control unit, display device, image acquisition units, graphics processing unit, sub-pixel differentiation parameter processing
Unit and display control unit.Sub-pixel input modulating unit and sub-pixel differentiation processing unit, sub-pixel drive control list
Unit is connected with display control unit, and display control unit output control information is to sub-pixel input modulating unit to drive sub-pixel
Input modulating unit work, sub-pixel inputs modulating unit receives input signal, sends a signal to sub- picture after modulation treatment
Plain drive control unit, meanwhile, described image collecting unit produces test signal, lights the special pixel in display device, complete
The collection of display device sub-pixel image pixel point set in pairs, and the parameter of collection is transferred to graphics processing unit process, figure
As the luminescent image pixel point set of collection is transferred to sub-pixel characterisitic parameter extraction unit, sub-pixel characterisitic parameter by processing unit
Extraction unit carries out obtaining the sub-pixel for emitting light characteristic information of display device to described luminescent image pixel point set information, will be described
Sub-pixel for emitting light characteristic information sends to sub-pixel differentiation processing unit processes, and the parameter producing after treatment is stored in
Flash memory, parameter is put into ddr by dma by this device.Sub-pixel input modulating unit is being processed to input data
When, read the parameter of each sub-pixel by dma, send into arithmetic module, according to reality output GTG and input GTG
Transformation for mula calculated, actually enter calculating gained sub-pixel parameter and be transferred to sub-pixel drive control unit, described
Sub-pixel drive control unit actually enters parameter sub-pixel and is converted into physical drives signal, drives display device sub-pixel
Luminous.
Application technique scheme not only considered the feature of pixel light emission device it is also contemplated that integrated treatment analog-driven
The impacts such as unit otherness, signal transmission path otherness it is ensured that the uniformity of the integrative luminescence properties of light emitting of display picture element, this
Inventive technique scheme has considered the impact of whole system it is ensured that all pixels have the unified characteristics of luminescence；And, this
When bright further improved technical scheme can make display device use in different application environment, for different application environment
Requirement to the characteristics of luminescence of display device, is input to the adjustment of display device advance line parameter, makes display device to picture signal
Extremely flexibly adapt to various applied environments.
Claims (4)
1. a kind of device of shielding oled pixel difference is it is characterised in that described device includes, sub-pixel input modulating unit,
Sub-pixel drive control unit, display device, image acquisition units, graphics processing unit, sub-pixel differentiation parameter processing list
Unit and display control unit；
Sub-pixel input modulating unit and sub-pixel differentiation parameter processing unit, sub-pixel drive control unit and display control
Unit processed is connected, and display control unit output control information is to sub-pixel input modulating unit to drive sub-pixel input modulation single
Unit's work, sub-pixel inputs the parameter after modulating unit receives sub-pixel differentiation processing unit processes, and sub-pixel is inputted ginseng
Number changes into and is input to the sub-pixel of sub-pixel drive control unit and actually enters parameter；
Sub-pixel drive control unit is connected with display device, and described sub-pixel drive control unit actually enters sub-pixel
Parameter is converted into physical drives signal, drives display device sub-pixel to light；
Image acquisition units are connected with display device and graphics processing unit, and described image collecting unit produces test signal simultaneously
Sub-pixel for emitting light information to display device, obtains luminescent image pixel point set, and by luminescent image pixel point set
It is transferred to graphics processing unit；Graphics processing unit is connected with sub-pixel characterisitic parameter extraction unit, and graphics processing unit will be located
Luminescent image pixel point set information transfer after reason is extracted single to sub-pixel characterisitic parameter extraction unit, sub-pixel characterisitic parameter
Unit obtains the sub-pixel for emitting light characteristic information of display device from described luminescent image pixel point set information, and by sub-pixel for emitting light
Property information transmission is processed and is stored to sub-pixel differentiation parameter processing unit.
2. as claimed in claim 1 a kind of device of shielding oled pixel difference it is characterised in that described sub-pixel input adjust
According to reality after the sub-pixel for emitting light characteristic information of display device of unit reading sub-pixel differentiation parameter processing unit storage processed
Border is exported GTG and is calculated with the transformation for mula of input GTG, calculating gained is actually entered GTG and is transferred to sub-pixel driving
Control unit is to drive the sub-pixel for emitting light of display device.
3. as claimed in claim 2 a kind of device of shielding oled pixel difference it is characterised in that described sub-pixel input adjust
Unit processed includes lvdsrx module, fifo module, camera_pattern module, data_pattern data module, calculates mould
Block, dma, flash memory, ddr memory, described sub-pixel input modulating unit passes through lvdsrx receives input signal, leads to
Ovennodulation sends a signal to sub-pixel drive control unit after processing；Meanwhile, test is produced by camera_pattern module
Information, lights the sub-pixel in display device, completes the measurement to display device sub-pixel for emitting light characteristic；Its data_pattern
Module is used for producing close beta image, for testing to the illumination effect of display device；Sub-pixel differentiation processes single
The parameter that unit produces is stored in falsh memory, and parameter is put into ddr memory by dma by described sub-pixel input modulating unit,
When processing to outer input data, read the parameter of each sub-pixel by dma, send into arithmetic module, press
Transformation for mula according to reality output GTG y and input GTG x is calculated, and is transferred to sub-pixel drive control list by calculating gained
Unit.
4. a kind of device of the shielding oled pixel difference as described in claim 1-3 any claim is it is characterised in that institute
State sub-pixel differentiation parameter processing unit and also include nonvolatile memory, described nonvolatile memory is used for storing sub- picture
Parameter after plain differentiation processing unit processes.
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|---|---|---|---|
| CN201410405880.0A CN104157243B (en) | 2014-08-18 | 2014-08-18 | OLED pixel difference shielding device |
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| CN104157243B true CN104157243B (en) | 2017-01-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06138857A (en) * | 1992-10-23 | 1994-05-20 | Sanyo Electric Co Ltd | Method and processor for image information processing |
| CN1708776A (en) * | 2002-11-06 | 2005-12-14 | 佳能株式会社 | Color display element, method for driving color display element, and display apparatus having color display element |
| CN101510393A (en) * | 2009-03-16 | 2009-08-19 | 深圳市元亨光电股份有限公司 | Method for correcting chrominance LED whole colorful display screen based on space vector |
| CN101650914A (en) * | 2009-06-17 | 2010-02-17 | 北京巨数数字技术开发有限公司 | Point-to-point correction system |
| CN101692326A (en) * | 2009-09-01 | 2010-04-07 | 惠州市德赛智能科技有限公司 | System and method for on-site point-by-point calibration of brightness and chrominance of the whole screen of LED display screen |
| CN102005183A (en) * | 2010-12-06 | 2011-04-06 | 深圳市中庆微科技开发有限公司 | Automatic point-to-point adjustment and control system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5141418B2 (en) * | 2008-07-24 | 2013-02-13 | セイコーエプソン株式会社 | Image display control device, program, and image display control method |
| ES2748040T3 (en) * | 2008-09-30 | 2020-03-12 | Dolby Laboratories Licensing Corp | Improved power management for modulated backlights |
-
2014
- 2014-08-18 CN CN201410405880.0A patent/CN104157243B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06138857A (en) * | 1992-10-23 | 1994-05-20 | Sanyo Electric Co Ltd | Method and processor for image information processing |
| CN1708776A (en) * | 2002-11-06 | 2005-12-14 | 佳能株式会社 | Color display element, method for driving color display element, and display apparatus having color display element |
| CN101510393A (en) * | 2009-03-16 | 2009-08-19 | 深圳市元亨光电股份有限公司 | Method for correcting chrominance LED whole colorful display screen based on space vector |
| CN101650914A (en) * | 2009-06-17 | 2010-02-17 | 北京巨数数字技术开发有限公司 | Point-to-point correction system |
| CN101692326A (en) * | 2009-09-01 | 2010-04-07 | 惠州市德赛智能科技有限公司 | System and method for on-site point-by-point calibration of brightness and chrominance of the whole screen of LED display screen |
| CN102005183A (en) * | 2010-12-06 | 2011-04-06 | 深圳市中庆微科技开发有限公司 | Automatic point-to-point adjustment and control system |
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| CN104157243A (en) | 2014-11-19 |
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