WO2020224387A1 - 驱动方法、驱动装置、显示设备和计算机可读介质 - Google Patents
驱动方法、驱动装置、显示设备和计算机可读介质 Download PDFInfo
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- WO2020224387A1 WO2020224387A1 PCT/CN2020/084449 CN2020084449W WO2020224387A1 WO 2020224387 A1 WO2020224387 A1 WO 2020224387A1 CN 2020084449 W CN2020084449 W CN 2020084449W WO 2020224387 A1 WO2020224387 A1 WO 2020224387A1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3607—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 by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
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- the determined output gray value of the pixel is used to drive the display panel for display.
- the backlight signal value of the backlight subarea is determined according to the average value and the cumulative distribution function value.
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- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (14)
- 一种显示设备的驱动方法,所述显示设备包括背光模组,所述背光模组包括多个背光分区,所述驱动方法包括:根据待显示图像中像素的输入灰度值,确定所述多个背光分区的背光信号值;根据所述多个背光分区的背光信号值确定多个背光分区中每个背光分区的背光跳变值;根据所述背光跳变值调整所述多个背光分区的背光信号值,获得调整后背光信号值;以及利用所述调整后背光信号值,驱动所述背光模组发光;其中,所述根据所述多个背光分区的背光信号值确定多个背光分区中每个背光分区的背光跳变值包括:根据背光分区的背光信号值、所述背光分区的多个相邻背光分区的背光干扰值以及与所述背光分区对应的子显示区域中每个颜色分量的输入像素值的均值,通过拟合获取计算模型;以及利用所述计算模型计算所述背光分区的背光跳变值。
- 根据权利要求1或2所述的驱动方法,其中,所述根据所述背光跳变值调整所述多个背光分区的背光信号值包括,对于所述多个背光分区中的每个背光分区:获取所述背光分区的至少一个相邻背光分区的背光信号值中的最大值;将所述最大值和所述背光分区的背光信号值之差与所述背光跳变值进行比较;如果所述最大值和所述背光分区的背光信号值之差小于等于所述背光跳变值,则使得所述背光分区的调整后背光信号值等于所述最大值与所述背光跳变值之差;以及如果所述最大值和所述背光分区的背光信号值之差大于所述背光跳变值,则使得所述背光分区的调整后背光信号值等于所述背光分区的背光信号值。
- 根据权利要求1至3之一所述的驱动方法,其中,所述显示设备还包括显示面板,所述驱动方法还包括:利用所述调整后背光信号值对对应子显示区域中像素的输入灰度值进行补偿,得到经补偿的输入灰度值;将所述经补偿的输入灰度值与所述对应子显示区域中像素的输入灰度值的统计信息进行比较,并根据比较结果确定所述像素的输出灰度值;以及利用确定的所述像素的输出灰度值,驱动所述显示面板进行显示。
- 根据权利要求3所述的驱动方法,其中,将所述经补偿的输入灰度值与所述对应子显示区域中像素的输入灰度值的统计信息进行比较,并根据比较结果确定所述像素的输出灰度值包括:获取所述经补偿的输入灰度值中的最大颜色分量值;将所述最大颜色分量值与所述统计信息进行比较;如果所述最大颜色分量值大于所述统计信息,则确定所述经补偿的输入灰度值为所述像素的输出灰度值;以及如果所述最大颜色分量值小于等于所述统计信息,则根据所述最大颜色分量值、所述统计信息、所述经补偿的输入灰度值以及经预定算法处理的输入灰度值确定所述像素的输出灰度值。
- 根据权利要求5或6所述的驱动方法,其中,所述预定算法包括去雾算法。
- 根据权利要求1所述的驱动方法,其中,所述确定背光模组中多个背光分区的背光信号值包括:对于所述多个背光分区中的每个背光分区,计算与所述背光分区对应的子显示区域中像素的输入灰度值的均值和累积分布函数值;以及根据所述均值和累积分布函数值确定所述背光分区的背光信号值。
- 一种显示设备的驱动装置,所述显示设备包括背光模组,所述背光模组包括多个背光分区,所述驱动装置包括:第一确定模块,用于根据待显示图像中像素的输入灰度值,确定多个背光分区的背光信号值;第二确定模块,用于根据所述多个背光分区的背光信号值确定多个背光分区中每个背光分区的背光跳变值;调整模块,用于根据所述背光跳变值调整所述多个背光分区的背光信号值,获得调整后背光信号值;以及第一驱动模块,用于利用所述调整后背光信号值,驱动所述背光模组发光;其中,所述第二确定模块还用于:根据背光分区的背光信号值、所述背光分区的多个相邻背光分区的背光干扰值以及与所述背光分区对应的子显示区域中每个颜色分量的输入像素值的均值,通过拟合获取计算模型;以及利用所述计算模型计算所述背光分区的背光跳变值。
- 根据权利要求10所述的驱动装置,其中,所述显示设备还包括显示面板,所述驱动装置还包括:第三确定模块,用于获取所述经补偿的输入灰度值中的最大颜色分量值;将所述最大颜色分量值与所述统计信息进行比较;如果所述最大颜色分量值大于所述统计信息,则确定所述经补偿的输入灰度值为所述像素的输出灰度值;以及如果所述最大颜色分量值小于等于所述统计信息,则根据所述最大颜色分量值、所述统计信息、所述经补偿的输入灰度值以及经预定算法处理的输入灰度值确定所述像素的输出灰度值;以及第二驱动模块,利用确定的所述像素的输出灰度值,驱动所述显示面板进行显示。
- 一种驱动装置,包括:存储器,配置为存储指令;至少一个处理器:所述至少一个处理器执行存储在存储器中的指令,以实现根据权利要求1~9之一所述的方法。
- 一种显示设备,包括:显示面板,包括多个子显示区域;背光模组,包括多个背光分区;以及根据权利要求12所述的驱动装置。
- 一种非暂时性计算机可读存储介质,存储有指令,所述指令配置为在被至少一个处理器执行时实现权利要求1~9之一所述的方法。
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EP3933823A1 (en) * | 2019-02-27 | 2022-01-05 | Boe Technology Group Co., Ltd. | Image display processing method and apparatus, display apparatus, and storage medium |
CN109979401B (zh) | 2019-05-06 | 2021-01-08 | 京东方科技集团股份有限公司 | 驱动方法、驱动装置、显示设备和计算机可读介质 |
CN110189714A (zh) * | 2019-06-25 | 2019-08-30 | 京东方科技集团股份有限公司 | 具有区域调节背光的显示方法及装置、电子设备、介质 |
CN110379379B (zh) * | 2019-07-31 | 2021-02-19 | 京东方科技集团股份有限公司 | 一种背光驱动方法及装置、显示装置及存储介质 |
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CN111477186B (zh) * | 2020-05-07 | 2021-03-16 | Tcl华星光电技术有限公司 | 一种时序控制器、显示面板及其驱动方法 |
CN113506545B (zh) * | 2021-06-28 | 2022-05-17 | 惠科股份有限公司 | 背光驱动方法、装置、计算机设备及存储介质 |
CN113643667B (zh) * | 2021-08-13 | 2023-06-06 | 京东方科技集团股份有限公司 | 显示装置及其控制方法、相关设备 |
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