WO2020133739A1 - 显示设备和显示设备的补偿方法 - Google Patents

显示设备和显示设备的补偿方法 Download PDF

Info

Publication number
WO2020133739A1
WO2020133739A1 PCT/CN2019/078735 CN2019078735W WO2020133739A1 WO 2020133739 A1 WO2020133739 A1 WO 2020133739A1 CN 2019078735 W CN2019078735 W CN 2019078735W WO 2020133739 A1 WO2020133739 A1 WO 2020133739A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensing data
optical sensing
compensation
display panel
display device
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.)
Ceased
Application number
PCT/CN2019/078735
Other languages
English (en)
French (fr)
Inventor
周阳
赵勇
金武谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/476,275 priority Critical patent/US11232738B2/en
Publication of WO2020133739A1 publication Critical patent/WO2020133739A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G09G3/20—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
    • G09G3/2003—Display of colours
    • 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • 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
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/141—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light conveying information used for selecting or modulating the light emitting or modulating element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/141—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light conveying information used for selecting or modulating the light emitting or modulating element
    • G09G2360/142—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light conveying information used for selecting or modulating the light emitting or modulating element the light being detected by light detection means within each pixel
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G09G2360/147—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
    • G09G2360/148—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel the light being detected by light detection means within each pixel

Definitions

  • the present disclosure relates to the technical field of touch screens, and particularly to a display device and a compensation method of the display device.
  • Organic Light emitting diode Organic Light Emitting Diode, OLED
  • OLED Organic Light Emitting Diode
  • the present disclosure provides a display device, including: a display panel, an optical sensor, and a control unit.
  • the optical sensor is disposed behind the display panel and is used to provide a first optical sensing data and a second optical sensing data.
  • the control unit is electrically connected to the optical sensor and the display panel for judging the life of the display panel based on the first optical sensing data and the second optical sensing data and providing a compensation for the display panel .
  • control unit is used to control the optical sensor to intercept the first optical sensing data and the second optical sensing data and record the interception time.
  • the compensation is current compensation or voltage compensation.
  • the display panel includes at least one monochromatic sub-pixel
  • the method for the control unit to provide the compensation to the display panel includes: The original power supply value is multiplied by a compensation value for power supply.
  • the display panel includes three-color monochromatic sub-pixels
  • the method for the control unit to provide the compensation to the display panel includes: the three-color monochromatic sub-pixels of the display panel An original power supply value array of pixels is multiplied by an offset value array to supply power.
  • control unit is used to control the optical sensor to intercept a third optical sensing data after the compensation, if the third optical sensing data and the first optical If the difference of the sensing data is greater than 10%, the compensation is continued.
  • the first optical sensing data and the second optical sensing data include light intensity or chromaticity of a monochromatic sub-pixel.
  • the first optical sensing data and the second optical sensing data include light intensity or chromaticity of three-color monochromatic sub-pixels.
  • the present disclosure also provides a display device including a display panel, an optical sensor, and a control unit.
  • the optical sensor is disposed behind the display panel and is used to provide a first optical sensing data and a second optical sensing data.
  • the control unit is electrically connected to the optical sensor and the display panel for judging the life of the display panel based on the first optical sensing data and the second optical sensing data and providing a compensation for the display panel .
  • the display panel includes three-color monochrome sub-pixels, and the method for the control unit to provide the compensation to the display panel includes multiplying an original power supply value array of the three-color monochrome sub-pixels of the display panel by one Supply power after the compensation value array.
  • control unit is used to control the optical sensor to intercept a third optical sensing data after the compensation, if the third optical sensing data and the first optical sensing If the difference of the measured data is greater than 10%, the compensation is continued.
  • the first optical sensing data and the second optical sensing data include light intensity or chromaticity of three-color monochromatic sub-pixels.
  • the disclosure also provides a compensation method for a display device, including the following steps:
  • S1 supplying a first power supply value to a display panel at a first time and detecting its lighting status to obtain a first optical sensing data.
  • S3 Compare the first optical sensing data, the second optical sensing data, the first time and the second time to determine the aging degree of the display device.
  • the compensation method of the display device wherein the first optical sensing data, the second optical sensing data, the third optical sensing data, the first The power supply values include the values corresponding to the three-color monochrome sub-pixels.
  • the compensation method of the display device further includes providing a control unit and an optical sensor, the control unit is used to control the optical sensor to intercept the first optical sensing data and all Describe the second optical sensing data and record the time of interception.
  • the compensation method of the display device wherein the second power supply value is a current value or a voltage value.
  • the compensation method of the display device wherein the display panel includes at least one monochromatic sub-pixel, the compensation method includes: The first power supply value is multiplied by the compensation value to perform power supply.
  • the compensation method of the display device wherein the display panel includes three-color monochromatic sub-pixels
  • the compensation method includes: the three-color monochromatic sub-pixels of the display panel A first power supply value array is multiplied by a compensation value array to supply power.
  • the compensation method of the display device wherein the control unit is used to control the optical sensor to intercept the third optical sensing data in step S4.
  • the compensation method of the display device wherein the first optical sensing data and the second optical sensing data include the light intensity or chromaticity of a monochromatic sub-pixel.
  • the optical sensor is disposed behind the display panel to provide a first optical sensing data and A second optical sensing data.
  • the control unit is used to determine the life of the display panel according to the first optical sensing data and the second optical sensing data and provide a compensation for the display panel. Therefore, the embodiments of the present disclosure can estimate the life of the panel and compensate for the lack of brightness or the shift in chromaticity caused by the aging of the material.
  • FIG. 1 shows a schematic structural diagram of a display device according to an embodiment of the present disclosure
  • FIG. 2 shows a schematic flow block diagram of a compensation method of a display device according to an embodiment of the present disclosure
  • 3A-3C are schematic diagrams showing different conditions of a sensing area of a display device according to an embodiment of the present disclosure.
  • FIG. 4 shows a schematic diagram of a compensation method of a display device according to an embodiment of the present disclosure.
  • the present disclosure provides a display device 100 including: a display panel 10, an optical sensor 20 and a control unit 30.
  • the optical sensor 20 is disposed behind the display panel 10 to provide a first optical sensing data Ia and a second optical sensing data Ib.
  • the control unit 30 is electrically connected to the optical sensor 20 and the display panel 10 for judging the life of the display panel 10 according to the first optical sensing data Ia and the second optical sensing data Ib.
  • the display panel 10 provides a compensation.
  • the display panel 10 may include components such as the substrate 12 and the glass cover 11, the light emitted by the display panel 10 may be partially reflected or leaked, and thus reaches the optical sensor 20 located behind the display panel 10, so that the display
  • the optical sensor 20 behind the panel 10 can sense part of the light emitted by the front display panel 10, and the present invention does not limit the way the light reaches the optical sensor 20.
  • control unit 30 is used to control the optical sensor 20 to intercept the first optical sensing data Ia and the second optical sensing data Ib and record the interception time.
  • the compensation is current compensation or voltage compensation.
  • the display panel 10 includes at least one monochrome sub-pixel
  • the method for the control unit 30 to provide the compensation to the display panel 10 includes: The original power supply value P of the color sub-pixel is multiplied by a compensation value X to supply power.
  • FIG. 1 shows an example of a three-color monochromatic sub-pixel, but the invention is not limited thereto.
  • the sub-pixel needs at least one-color monochromatic sub-pixel, such as red, or green, etc., and may also be two-color or three-color There may also be a larger number of monochromatic sub-pixels in one color, such as a combination of red, green, green, and blue (RGGB).
  • RGGB red, green, green, and blue
  • the display panel 10 includes three color monochromatic sub-pixels R, G, and B.
  • the control unit 30 provides the compensation method for the display panel 10 including: 10, an original power supply value array P of the three-color monochromatic sub-pixels R, G, B is multiplied by a compensation value array X to perform power supply.
  • the compensation value may be specified in advance, or a compensation value comparison table may be provided in a storage component of the control unit 30 or other storage components.
  • the compensation value can take into account the white balance of the picture and compensate X1, X2, and X3 for the three-color monochrome sub-pixels R, G, and B to varying degrees.
  • control unit 30 is used to control the optical sensor 20 to intercept a third optical sensing data Ia' after the compensation, if the third optical sensing data Ia' If the difference from the first optical sensing data Ia is greater than 10%, the compensation is continued.
  • the first optical sensing data Ia and the second optical sensing data Ib include the light intensity or chromaticity of a monochromatic sub-pixel.
  • the first optical sensing data Ia and the second optical sensing data Ib include light intensity or chromaticity of three-color monochromatic sub-pixels R, G, and B.
  • the sensing range 21 of the optical sensor 20 may be equal to the size of the receiving surface of the optical sensor 20 (FIG. 3A) or a slightly larger range (FIG. 3B), or it may be the same as the entire display panel
  • the size of 10 is consistent (FIG. 3C), and the present invention is not limited to this.
  • the invention also does not limit the number, position, type and size of the optical sensor 20.
  • the present disclosure also provides a compensation method for the display device 10, including the following steps:
  • S1 supplying a first power supply value P to a display panel 10 at a first time and detecting its light emission status to obtain a first optical sensing data Ia.
  • S2 Supplying the first power supply value P of the display panel 10 at a second time and detecting its light emission status to obtain a second optical sensing data Ib.
  • the compensation method of the display device 10 wherein the first optical sensing data Ia, the second optical sensing data Ib, and the third optical sensing data Ia' 3.
  • the first power supply value P includes values corresponding to the three-color monochromatic sub-pixels R, G, and B.
  • FIG. 1 shows an example of a three-color monochromatic sub-pixel, but the invention is not limited thereto.
  • the sub-pixel needs at least one-color monochromatic sub-pixel, such as white, or green, etc., or two-color or three-color
  • RGGB red, green, green, and blue
  • the optical sensor is disposed behind the display panel to provide a first optical sensing data and a second optical sensing data .
  • the control unit is used to determine the life of the display panel according to the first optical sensing data and the second optical sensing data and provide a compensation for the display panel. Therefore, the embodiments of the present disclosure can estimate the life of the panel and compensate for the lack of brightness or the shift in chromaticity caused by the aging of the material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

一种显示设备（100）和一种显示设备（100）的补偿方法。该显示设备（100）包括一显示面板（10）、一光学传感器（20）及一控制单元（30）。该光学传感器（20）设置于该显示面板（10）后方，用以提供一第一光学感测数据（Ia）及一第二光学感测数据（Ib）。该控制单元（30）电连接该光学传感器（20）及该显示面板（10），用以依据该第一光学感测数据（Ia）及该第二光学感测数据（Ib）判断显示面板（10）的寿命并对该显示面板（10）提供一补偿。

Description

显示设备和显示设备的补偿方法 技术领域
本揭示涉及触摸屏技术领域，特别涉及一种显示设备和一种显示设备的补偿方法。
 背景技术
电子产品在使用过程中不可避免的会有老化现象。有机发光二极管(Organic Light Emitting Diode，OLED)屏幕尤为明显，有机发光二极管显示器会随着时间的推移而逐渐降低其效率。亮度会降低，色度会产生偏差，这样会给使用者带来很大的影响。不仅面板品质的降低，影响使用品质，同时也不能知道面板的寿命如何，还能使用多久。
因此，目前亟需一种显示面板以解决上述问题。
 技术问题
现有的有机发光二极管显示器会随着时间的推移而逐渐降低其效率。亮度会降低，色度会产生偏差。
 技术解决方案
为解决上述技术问题，本揭示提供一种显示设备，包括: 一显示面板、一光学传感器及一控制单元。所述光学传感器设置于所述显示面板后方，用以提供一第一光学感测数据及一第二光学感测数据。所述控制单元电连接所述光学传感器及所述显示面板，用以依据所述第一光学感测数据及所述第二光学感测数据判断显示面板的寿命并对所述显示面板提供一补偿。
于本揭示其中的一实施例中，所述控制单元用以控制所述光学传感器截取所述第一光学感测数据及所述第二光学感测数据并记录截取的时间。
于本揭示其中的一实施例中，所述补偿为电流补偿或电压补偿。
于本揭示其中的一实施例中，所述显示面板包括至少一单色子像素，所述控制单元对所述显示面板提供所述补偿的方法包括：对显示面板的所述单色子像素的一原供电值乘以一补偿值后进行供电。
于本揭示其中的一实施例中，所述显示面板包括三色单色子像素，所述控制单元对所述显示面板提供所述补偿的方法包括：对显示面板的所述三色单色子像素的一原供电值数组乘以一补偿值数组后进行供电。
于本揭示其中的一实施例中，所述控制单元用以控制所述光学传感器于所述补偿后截取一第三光学感测数据，若所述第三光学感测数据与所述第一光学感测数据的差异大于10％，则继续进行所述补偿。
于本揭示其中的一实施例中，所述第一光学感测数据及所述第二光学感测数据包括一单色子像素的光强或色度。
于本揭示其中的一实施例中，所述第一光学感测数据及所述第二光学感测数据包括三色单色子像素的光强或色度。
本揭示还提供一种显示设备，包括一显示面板、一光学传感器及一控制单元。所述光学传感器设置于所述显示面板后方，用以提供一第一光学感测数据及一第二光学感测数据。所述控制单元电连接所述光学传感器及所述显示面板，用以依据所述第一光学感测数据及所述第二光学感测数据判断显示面板的寿命并对所述显示面板提供一补偿。所述显示面板包括三色单色子像素，所述控制单元对所述显示面板提供所述补偿的方法包括：对显示面板的所述三色单色子像素的一原供电值数组乘以一补偿值数组后进行供电。
于本揭示其中的一实施例中所述控制单元用以控制所述光学传感器于所述补偿后截取一第三光学感测数据，若所述第三光学感测数据与所述第一光学感测数据的差异大于10％，则继续进行所述补偿。
于本揭示其中的一实施例中所述第一光学感测数据及所述第二光学感测数据包括三色单色子像素的光强或色度。
本揭示还提供一种显示设备的补偿方法，包括下列步骤：
S1:于一第一时间供给一显示面板一第一供电值并侦测其发光状况而获得一第一光学感测数据。
S2:于一第二时间供给所述显示面板所述第一供电值并侦测其发光状况而获得一第二光学感测数据。
S3:比较所述第一光学感测数据、所述第二光学感测数据、所述第一时间及所述第二时间以决定所述显示设备的老化程度。
S4:将所述第一供电值乘以一补偿值后得到一第二供电值并供给所述显示面板，侦测其发光状况获得一第三光学感测数据。
S5:比较所述第一光学感测数据与所述第三光学感测数据的差异是否小于10％。
S6:若所述第一光学感测数据与所述第三光学感测数据的差异大于10％，则调整所述补偿值后回到步骤S4。
于本揭示其中的一实施例中所述显示设备的补偿方法，其中，所述第一光学感测数据、所述第二光学感测数据、所述第三光学感测数据、所述第一供电值均包括三色单色子像素对应的数值。
于本揭示其中的一实施例中所述显示设备的补偿方法，更包括提供一控制单元及一光学传感器，所述控制单元用以控制所述光学传感器截取所述第一光学感测数据及所述第二光学感测数据并记录截取的时间。
于本揭示其中的一实施例中所述显示设备的补偿方法，其中所述第二供电值为电流值或电压值。
于本揭示其中的一实施例中所述显示设备的补偿方法，其中所述显示面板包括至少一单色子像素，所述补偿方法包括：对所述显示面板的所述单色子像素的所述第一供电值乘以所述补偿值后进行供电。
于本揭示其中的一实施例中所述显示设备的补偿方法，其中所述显示面板包括三色单色子像素，所述补偿方法包括：对所述显示面板的所述三色单色子像素的一第一供电值数组乘以一补偿值数组后进行供电。
于本揭示其中的一实施例中所述显示设备的补偿方法，其中所述控制单元用以控制所述光学传感器于步骤S4中截取所述第三光学感测数据。
于本揭示其中的一实施例中所述显示设备的补偿方法，其中所述第一光学感测数据及所述第二光学感测数据包括一单色子像素的光强或色度。
 有益效果
相较于现有技术，为解决上述技术问题，本揭示提供的显示设备和显示设备的补偿方法中，所述光学传感器设置于所述显示面板后方，用以提供一第一光学感测数据及一第二光学感测数据。所述控制单元用以依据所述第一光学感测数据及所述第二光学感测数据判断显示面板的寿命并对所述显示面板提供一补偿。因此，本揭示的实施例能实现对面板寿命进行推测，补偿因材料老化而导致的亮度不足或色度偏移。
 附图说明
图1显示根据本揭示的一实施例的显示设备的结构示意图；
图2显示根据本揭示的一实施例的显示设备的补偿方法的流程方块示意图；
图3A-3C显示根据本揭示的一实施例的显示设备感应区域的不同状况示意图；及
图4显示根据本揭示的一实施例的显示设备的补偿方法的示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本揭示可用以实施的特定实施例。
为了让本揭示的上述及其他目的、特征、优点能更明显易懂，下文将特举本揭示优选实施例，并配合所附图式，作详细说明如下。再者，本揭示所提到的方向用语，例如上、下、顶、底、前、后、左、右、内、外、侧层、周围、中央、水平、横向、垂直、纵向、轴向、径向、最上层或最下层等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本揭示，而非用以限制本揭示。
在图中，结构相似的单元是以相同标号表示。
参照图1及图4，本揭示提供一种显示设备100，包括: 一显示面板10、一光学传感器20及一控制单元30。所述光学传感器20设置于所述显示面板10后方，用以提供一第一光学感测数据Ia及一第二光学感测数据Ib。所述控制单元30电连接所述光学传感器20及所述显示面板10，用以依据所述第一光学感测数据Ia及所述第二光学感测数据Ib判断显示面板10的寿命并对所述显示面板10提供一补偿。
具体的，因为显示面板10可包括例如基板12、玻璃盖板11等组件，所以显示面板10所发出的光会有部分被反射或漏光，因而到达位于显示面板10后方的光学传感器20，使显示面板10后方的光学传感器20能感测到前方显示面板10所发出的部分光线，本发明不限定光线到达光学传感器20的方式。
于本揭示其中的一实施例中，所述控制单元30用以控制所述光学传感器20截取所述第一光学感测数据Ia及所述第二光学感测数据Ib并记录截取的时间。
于本揭示其中的一实施例中，所述补偿为电流补偿或电压补偿。
于本揭示其中的一实施例中，所述显示面板10包括至少一单色子像素，所述控制单元30对所述显示面板10提供所述补偿的方法包括：对显示面板10的所述单色子像素的一原供电值P乘以一补偿值X后进行供电。
具体的，图1绘示为三色单色子像素的一个例子，但本发明不限于此，子像素至少需一色单色子像素，例如红色、或绿色等，也可以是两色或三色，也可以有其中一色的单色子像素有较多的数量，例如红、绿、绿、蓝（RGGB）的组合。
于本揭示其中的一实施例中，所述显示面板10包括三色单色子像素R、G、B，所述控制单元30对所述显示面板10提供所述补偿的方法包括：对显示面板10的所述三色单色子像素R、G、B的一原供电值数组P乘以一补偿值数组X后进行供电。
具体的，补偿值可以预先指定，或是于控制单元30的一存储组件中或是其他的存储组件中提供一补偿值对照表。补偿值可考虑画面的白平衡而对三色单色子像素R、G、B进行不同程度的补偿X1、X2、X3。
于本揭示其中的一实施例中，所述控制单元30用以控制所述光学传感器20于所述补偿后截取一第三光学感测数据Ia’，若所述第三光学感测数据Ia’与所述第一光学感测数据Ia的差异大于10％，则继续进行所述补偿。
于本揭示其中的一实施例中，所述第一光学感测数据Ia及所述第二光学感测数据Ib包括一单色子像素的光强或色度。
于本揭示其中的一实施例中，所述第一光学感测数据Ia及所述第二光学感测数据Ib包括三色单色子像素R、G、B的光强或色度。
参照图3A-3B，所述光学传感器20的感测范围21可以等于所述光学传感器20的接受面尺寸(图3A)或是稍大一点的范围(图3B)，也可以是与整个显示面板10的尺寸一致(图3C)，本发明不限于此。本发明亦不限定所述光学传感器20的数量、位置、种类及大小。
参照图1、2及图4，本揭示还提供一种显示设备10的补偿方法，包括下列步骤：
S1:于一第一时间供给一显示面板10一第一供电值P并侦测其发光状况而获得一第一光学感测数据Ia。
S2:于一第二时间供给所述显示面板10所述第一供电值P并侦测其发光状况而获得一第二光学感测数据Ib。
S3:比较所述第一光学感测数据Ia、所述第二光学感测数据Ib、所述第一时间及所述第二时间以决定所述显示设备10的老化程度。
S4:将所述第一供电值P乘以一补偿值X后得到一第二供电值P’并供给所述显示面板10，侦测其发光状况获得一第三光学感测数据Ia’。
S5:比较所述第一光学感测数据Ia与所述第三光学感测数据Ia’的差异是否小于10％。
S6:若所述第一光学感测数据Ia与所述第三光学感测数据Ia’的差异大于10％，则调整所述补偿值X后回到步骤S4。
于本揭示其中的一实施例中所述显示设备10的补偿方法，其中，所述第一光学感测数据Ia、所述第二光学感测数据Ib、所述第三光学感测数据Ia’、所述第一供电值P均包括三色单色子像素R、G、B对应的数值。
具体的，图1绘示为三色单色子像素的一个例子，但本发明不限于此，子像素至少需一色单色子像素，例如白色、或绿色等，也可以是两色或三色，也可以有其中一色的单色子像素有较多的数量，例如红、绿、绿、蓝（RGGB）的组合。
有益效果：由于本揭示的实施例的显示设备和显示设备的补偿方法中，所述光学传感器设置于所述显示面板后方，用以提供一第一光学感测数据及一第二光学感测数据。所述控制单元用以依据所述第一光学感测数据及所述第二光学感测数据判断显示面板的寿命并对所述显示面板提供一补偿。因此，本揭示的实施例能实现对面板寿命进行推测，补偿因材料老化而导致的亮度不足或色度偏移。
尽管已经相对于一个或多个实现方式示出并描述了本揭示，但是本领域技术人员基于对本说明书和附图的阅读和理解将会想到等价变型和修改。本揭示包括所有这样的修改和变型，并且仅由所附权利要求的范围限制。特别地关于由上述组件执行的各种功能，用于描述这样的组件的术语旨在对应于执行所述组件的指定功能（例如其在功能上是等价的）的任意组件（除非另外指示），即使在结构上与执行本文所示的本说明书的示范性实现方式中的功能的公开结构不等同。此外，尽管本说明书的特定特征已经相对于若干实现方式中的仅一个被公开，但是这种特征可以与如可以对给定或特定应用而言是期望和有利的其他实现方式的一个或多个其他特征组合。而且，就术语“包括”、“具有”、“含有”或其变形被用在具体实施方式或权利要求中而言，这样的术语旨在以与术语“包含”相似的方式包括。
以上仅是本揭示的优选实施方式，应当指出，对于本领域普通技术人员，在不脱离本揭示原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本揭示的保护范围。

Claims (19)

  1. 一种显示设备，其特征在于，包括: 一显示面板、一光学传感器及一控制单元，其中，
    所述光学传感器设置于所述显示面板后方，用以提供一第一光学感测数据及一第二光学感测数据；
    所述控制单元电连接所述光学传感器及所述显示面板，用以依据所述第一光学感测数据及所述第二光学感测数据判断显示面板的寿命并对所述显示面板提供一补偿。
  2. 如权利要求1所述的显示设备，其特征在于，所述控制单元用以控制所述光学传感器截取所述第一光学感测数据及所述第二光学感测数据并记录截取的时间。
  3. 如权利要求2所述的显示设备，其特征在于，所述补偿为电流补偿或电压补偿。
  4. 如权利要求3所述的显示设备，其特征在于，所述显示面板包括至少一单色子像素，所述控制单元对所述显示面板提供所述补偿的方法包括：对显示面板的所述单色子像素的一原供电值乘以一补偿值后进行供电。
  5. 如权利要求3所述的显示设备，其特征在于，所述显示面板包括三色单色子像素，所述控制单元对所述显示面板提供所述补偿的方法包括：对显示面板的所述三色单色子像素的一原供电值数组乘以一补偿值数组后进行供电。
  6. 如权利要求3所述的显示设备，其特征在于，所述控制单元用以控制所述光学传感器于所述补偿后截取一第三光学感测数据，若所述第三光学感测数据与所述第一光学感测数据的差异大于10％，则继续进行所述补偿。
  7. 如权利要求3所述的显示设备，其特征在于，所述第一光学感测数据及所述第二光学感测数据包括一单色子像素的光强或色度。
  8. 如权利要求3所述的显示设备，其特征在于，所述第一光学感测数据及所述第二光学感测数据包括三色单色子像素的光强或色度。
  9. 一种显示设备，其特征在于，包括: 一显示面板、一光学传感器及一控制单元，其中，
    所述光学传感器设置于所述显示面板后方，用以提供一第一光学感测数据及一第二光学感测数据；
    所述控制单元电连接所述光学传感器及所述显示面板，用以依据所述第一光学感测数据及所述第二光学感测数据判断显示面板的寿命并对所述显示面板提供一补偿；
    所述显示面板包括三色单色子像素，所述控制单元对所述显示面板提供所述补偿的方法包括：对显示面板的所述三色单色子像素的一原供电值数组乘以一补偿值数组后进行供电。
  10. 如权利要求9所述的显示设备，其特征在于，所述控制单元用以控制所述光学传感器于所述补偿后截取一第三光学感测数据，若所述第三光学感测数据与所述第一光学感测数据的差异大于10％，则继续进行所述补偿。
  11. 如权利要求9所述的显示设备，其特征在于，所述第一光学感测数据及所述第二光学感测数据包括三色单色子像素的光强或色度。
  12. 一种显示设备的补偿方法，其特征在于，包括下列步骤：
    S1:于一第一时间供给一显示面板一第一供电值并侦测其发光状况而获得一第一光学感测数据;
    S2:于一第二时间供给所述显示面板所述第一供电值并侦测其发光状况而获得一第二光学感测数据;
    S3:比较所述第一光学感测数据、所述第二光学感测数据、所述第一时间及所述第二时间以决定所述显示设备的老化程度;
    S4:将所述第一供电值乘以一补偿值后得到一第二供电值并供给所述显示面板，侦测其发光状况获得一第三光学感测数据;
    S5:比较所述第一光学感测数据与所述第三光学感测数据的差异是否小于10％;及
    S6:若所述第一光学感测数据与所述第三光学感测数据的差异大于10％，则调整所述补偿值后回到步骤S4。
  13. 如权利要求12所述显示设备的补偿方法，其特征在于，所述第一光学感测数据、所述第二光学感测数据、所述第三光学感测数据、所述第一供电值均包括三色单色子像素对应的数值。
  14. 如权利要求12所述显示设备的补偿方法，其特征在于，提供一控制单元及一光学传感器，所述控制单元用以控制所述光学传感器截取所述第一光学感测数据及所述第二光学感测数据并记录截取的时间。
  15. 如权利要求14所述显示设备的补偿方法，其特征在于，所述第二供电值为电流值或电压值。
  16. 如权利要求14所述显示设备的补偿方法，其特征在于，所述显示面板包括至少一单色子像素，所述补偿方法包括：对所述显示面板的所述单色子像素的所述第一供电值乘以所述补偿值后进行供电。
  17. 如权利要求14所述显示设备的补偿方法，其特征在于，所述显示面板包括三色单色子像素，所述补偿方法包括：对所述显示面板的所述三色单色子像素的一第一供电值数组乘以一补偿值数组后进行供电。
  18. 如权利要求14所述显示设备的补偿方法，其特征在于，所述控制单元用以控制所述光学传感器于步骤S4中截取所述第三光学感测数据。
  19. 如权利要求12所述显示设备的补偿方法，其特征在于，所述第一光学感测数据及所述第二光学感测数据包括一单色子像素的光强或色度。
PCT/CN2019/078735 2018-12-26 2019-03-19 显示设备和显示设备的补偿方法 Ceased WO2020133739A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/476,275 US11232738B2 (en) 2018-12-26 2019-03-19 Display device and method of compensating same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811603233.5 2018-12-26
CN201811603233.5A CN111369939A (zh) 2018-12-26 2018-12-26 显示设备和显示设备的补偿方法

Publications (1)

Publication Number Publication Date
WO2020133739A1 true WO2020133739A1 (zh) 2020-07-02

Family

ID=71125690

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/078735 Ceased WO2020133739A1 (zh) 2018-12-26 2019-03-19 显示设备和显示设备的补偿方法

Country Status (3)

Country Link
US (1) US11232738B2 (zh)
CN (1) CN111369939A (zh)
WO (1) WO2020133739A1 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040135749A1 (en) * 2003-01-14 2004-07-15 Eastman Kodak Company Compensating for aging in OLED devices
CN101714327A (zh) * 2008-10-07 2010-05-26 索尼株式会社 显示装置
US20110012908A1 (en) * 2009-07-20 2011-01-20 Sharp Laboratories Of America, Inc. System for compensation of differential aging mura of displays
CN105788531A (zh) * 2016-05-20 2016-07-20 深圳市华星光电技术有限公司 Oled显示面板的驱动电路
CN106847176A (zh) * 2017-03-02 2017-06-13 西安交通大学 一种oled寿命改善算法及装置
CN107464529A (zh) * 2017-10-12 2017-12-12 京东方科技集团股份有限公司 显示基板及其制备方法、显示面板及其驱动方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8558765B2 (en) 2005-11-07 2013-10-15 Global Oled Technology Llc Method and apparatus for uniformity and brightness correction in an electroluminescent display
US20080055209A1 (en) 2006-08-30 2008-03-06 Eastman Kodak Company Method and apparatus for uniformity and brightness correction in an amoled display
US8207914B2 (en) * 2005-11-07 2012-06-26 Global Oled Technology Llc OLED display with aging compensation
CN101290744B (zh) * 2007-04-20 2010-11-03 联咏科技股份有限公司 背光模块的亮度补偿装置与方法
CN101369405A (zh) * 2008-10-13 2009-02-18 南京Lg新港显示有限公司 调整显示器亮度的补偿装置及该补偿装置的调整方法
CN101697273B (zh) * 2009-10-29 2012-09-19 彩虹集团公司 使用led背光源的lcd亮度均匀性自动校正系统及校正方法
US9466240B2 (en) * 2011-05-26 2016-10-11 Ignis Innovation Inc. Adaptive feedback system for compensating for aging pixel areas with enhanced estimation speed
TWI463459B (zh) * 2012-09-27 2014-12-01 E Ink Holdings Inc 平面顯示器及其臨界電壓感測電路
KR102049089B1 (ko) * 2013-04-10 2019-11-27 삼성디스플레이 주식회사 표시 장치의 색 보상 장치 및 방법
US9059337B1 (en) * 2013-12-24 2015-06-16 Christie Digital Systems Usa, Inc. Method, system and apparatus for dynamically monitoring and calibrating display tiles
CN104021761B (zh) * 2014-05-30 2016-03-09 京东方科技集团股份有限公司 一种显示器件的亮度补偿方法、装置及显示器件
KR102286641B1 (ko) * 2014-09-11 2021-08-06 엘지디스플레이 주식회사 구동소자의 경시 변화로 인한 휘도 편차를 보상할 수 있는 유기발광 표시장치
CN105280139B (zh) * 2015-11-11 2018-05-01 深圳市华星光电技术有限公司 Amoled亮度补偿方法及amoled驱动系统
CN105741771A (zh) * 2016-04-25 2016-07-06 广东欧珀移动通信有限公司 一种发光元件的亮度确定方法、装置及移动终端
KR102577493B1 (ko) 2016-07-29 2023-09-11 엘지디스플레이 주식회사 유기발광 표시장치 및 그의 구동 방법
CN106250641B (zh) * 2016-08-04 2019-03-08 京东方科技集团股份有限公司 一种oled器件衰减分析装置及衰减分析方法
CN106782303B (zh) * 2016-12-28 2018-12-25 上海天马有机发光显示技术有限公司 一种显示面板的显示校正方法、装置及系统
CN106847180B (zh) 2017-04-24 2019-01-22 深圳市华星光电半导体显示技术有限公司 Oled显示装置的亮度补偿系统及亮度补偿方法
KR101934327B1 (ko) * 2018-03-21 2019-01-02 천병민 엘이디 전광판 휘도 보정 시스템

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040135749A1 (en) * 2003-01-14 2004-07-15 Eastman Kodak Company Compensating for aging in OLED devices
CN101714327A (zh) * 2008-10-07 2010-05-26 索尼株式会社 显示装置
US20110012908A1 (en) * 2009-07-20 2011-01-20 Sharp Laboratories Of America, Inc. System for compensation of differential aging mura of displays
CN105788531A (zh) * 2016-05-20 2016-07-20 深圳市华星光电技术有限公司 Oled显示面板的驱动电路
CN106847176A (zh) * 2017-03-02 2017-06-13 西安交通大学 一种oled寿命改善算法及装置
CN107464529A (zh) * 2017-10-12 2017-12-12 京东方科技集团股份有限公司 显示基板及其制备方法、显示面板及其驱动方法

Also Published As

Publication number Publication date
US11232738B2 (en) 2022-01-25
US20210335186A1 (en) 2021-10-28
CN111369939A (zh) 2020-07-03

Similar Documents

Publication Publication Date Title
TWI580031B (zh) 顏色轉換層、有機電致發光顯示面板及液晶顯示面板
TWI411998B (zh) 有機發光二極體顯示器、資訊裝置、與在有機發光二極體顯示器中顯示影像之方法
TWI574055B (zh) 顯示面板
KR102702307B1 (ko) 디스플레이 장치 및 전자 장치의 제어 방법
US9117402B2 (en) Organic light emitting diode display device
TWI544620B (zh) 顯示面板
CN102568376A (zh) 用于驱动有机发光显示装置的设备和方法
CN104752620A (zh) 颜色转换层、有机电致发光显示面板及液晶显示面板
JP2019525258A (ja) ディスプレイ装置及びその駆動方法
WO2014024577A1 (ja) 色信号処理回路、色信号処理方法、表示装置、及び、電子機器
CN107134260A (zh) 一种显示控制方法、装置及显示装置
CN1949882B (zh) 图像显示装置、电子设备和像素配置设计方法
US20150235619A1 (en) Method of driving light source module and display device using the method
CN103915571A (zh) 一种amoled显示面板及膜层制作方法、显示装置
JP2016109769A (ja) 画像表示装置
JP5182217B2 (ja) 表示制御装置、表示装置、および表示制御方法、並びにプログラム
CN114863876A (zh) 显示面板及其显示驱动方法以及电子设备
CN104851397A (zh) 驱动光源模块的方法和使用该方法的显示装置
WO2020133739A1 (zh) 显示设备和显示设备的补偿方法
CN114495839B (zh) 一种显示面板的面外压降补偿方法及装置
CN111833810B (zh) 显示面板的驱动方法、装置及显示面板
WO2012036124A1 (ja) Ｌｅｄユニット、及び、ｌｅｄディスプレイ
KR101469047B1 (ko) 백라이트 유닛
KR20180059652A (ko) 표시장치와 그 휘도 제어 방법
JP5073920B2 (ja) 固定フォーマット発光型表示装置を較正するための較正方法、および、固定フォーマット発光型表示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19902916

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19902916

Country of ref document: EP

Kind code of ref document: A1