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公开(公告)号：US11961457B2
公开(公告)日：2024-04-16
申请号：US18094968
申请日：2023-01-09
发明人： Jae Hyun Koh , Sung Hoon Bang , Eui Myeong Cho , Ho Cheol Kang , Seok Young Yoon
IPC分类号： G09G3/32 , G09G3/3233
CPC分类号： G09G3/32 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2320/0247 , G09G2320/0257
摘要： A display device, includes: a display panel including a pixel electrically coupled to a gate line and a data line; a gate driver configured to provide a gate signal to the gate line; and a data driver configured to provide a data signal to the data line, wherein the gate driver is configured to sequentially provide a first gate signal and a second gate signal to the gate line during a first frame period, wherein the data driver is configured to provide a first data signal to the data line in response to the first gate signal, and to provide a second data signal to the data line in response to the second gate signal, and wherein the second data signal is different from the first data signal and varies dependent on the first data signal.
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公开(公告)号：US09812067B2
公开(公告)日：2017-11-07
申请号：US14692547
申请日：2015-04-21
发明人： Su Min Yang , Sung Hoon Bang , Young Wook Yoo
IPC分类号： G06F3/038 , G09G5/00 , G09G3/3291 , G09G3/3258
CPC分类号： G09G3/3291 , G09G3/3258 , G09G2320/045 , G09G2330/12 , G09G2360/145 , G09G2360/16
摘要： An organic light-emitting display device, including a display unit including a plurality of pixels each having an organic light-emitting diode (OLED), a controller configured to accumulate image data of each frame and to generate compensated image data using a degradation compensation method determined, based on the accumulated image data, to compensate for the degradation of the OLED of each of the pixels, and a data driver configured to generate a data voltage according to the compensated image data and to provide the data voltage to the pixels.
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公开(公告)号：US20160171934A1
公开(公告)日：2016-06-16
申请号：US14692547
申请日：2015-04-21
发明人： Su Min Yang , Sung Hoon Bang , Young Wook Yoo
IPC分类号： G09G3/32
CPC分类号： G09G3/3291 , G09G3/3258 , G09G2320/045 , G09G2330/12 , G09G2360/145 , G09G2360/16
摘要： An organic light-emitting display device, including a display unit including a plurality of pixels each having an organic light-emitting diode (OLED), a controller configured to accumulate image data of each frame and to generate compensated image data using a degradation compensation method determined, based on the accumulated image data, to compensate for the degradation of the OLED of each of the pixels, and a data driver configured to generate a data voltage according to the compensated image data and to provide the data voltage to the pixels.
摘要翻译： 一种有机发光显示装置，包括具有各自具有有机发光二极管（OLED）的多个像素的显示单元的显示单元，配置为累积每帧的图像数据并使用劣化补偿方法生成补偿图像数据的控制器 基于所累积的图像数据确定补偿每个像素的OLED的劣化;以及数据驱动器，被配置为根据补偿的图像数据生成数据电压，并向像素提供数据电压。
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公开(公告)号：US11972719B2
公开(公告)日：2024-04-30
申请号：US17868220
申请日：2022-07-19
发明人： Su Min Yang , Seung Ho Park , Sung Hoon Bang , Sang Jae Yeo
IPC分类号： G09G3/32 , G09G3/20 , G09G3/3225 , G09G3/3233 , G09G3/3266 , G09G3/3275
CPC分类号： G09G3/2092 , G09G3/3225 , G09G3/3233 , G09G3/3266 , G09G3/3275 , G09G2300/0828 , G09G2300/0842 , G09G2310/027 , G09G2310/0278 , G09G2320/0233 , G09G2320/0285 , G09G2320/0295 , G09G2320/043 , G09G2320/045 , G09G2320/048 , G09G2330/026 , G09G2330/027 , G09G2360/16
摘要： A display device and a method of driving a display device are disclosed. The display device includes pixels respectively connected to corresponding scan lines, corresponding control lines, corresponding data lines, and corresponding sensing lines, a scan driver which supplies a scan signal to a scan line of the corresponding scan lines, and supplies a control signal to a control line of the corresponding control lines, a data driver which supplies one of an image data signal and a sensing data signal to a data line of the corresponding data lines, and a sensing driver which senses characteristics of driving transistors of different pixels of the pixels in a previous sensing period and a current sensing period, and determines a final sensing value of a target pixel of the pixels in the current sensing period, based on a difference between a previous sensing value of the target pixel, which is determined based on the sensing in the previous sensing period, and a preliminary sensing value of the target pixel, which is calculated based on the sensing in the current sensing period.
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公开(公告)号：US10783827B2
公开(公告)日：2020-09-22
申请号：US15699162
申请日：2017-09-08
发明人： Jeong Hwan Shin , Sung Hoon Bang , Sang Jae Yeo , Oh Jo Kwon
IPC分类号： G09G3/3258 , G09G3/3216 , G09G3/3266 , G09G3/3275
摘要： A display device includes pixels connected to data lines and scan lines, a first compensator which is connected to sensing lines and senses deviation information of the sensing lines while supplying different voltages to adjacent sensing lines, and a sensing unit which is connected to the first compensator and senses characteristic information of each of the pixels.
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公开(公告)号：US10755647B2
公开(公告)日：2020-08-25
申请号：US16131858
申请日：2018-09-14
发明人： Sung Hwan Kim , Cheol Min Kim , Sung Hoon Bang
IPC分类号： G09G3/3291 , G09G3/3266 , G09G3/3233 , H01L27/32 , G09G3/3258 , G09G3/3275
摘要： An organic light emitting display device includes a driving transistor having one electrode connected with a node, and another electrode connected with an organic light emitting element, a first control transistor for receiving a first driving voltage through one electrode, and having another electrode connected with the node, a second control transistor for receiving a second driving voltage through one electrode, and having another electrode connected with the node, and a sensing transistor having one electrode connected between the another electrode of the driving transistor and the organic light emitting element, wherein the sensing transistor is turned on in a sensing period, the first control transistor is turned off in the sensing period, and the second control transistor is turned on in the sensing period.
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公开(公告)号：US20180013085A1
公开(公告)日：2018-01-11
申请号：US15632607
申请日：2017-06-26
发明人： JEONG HWAN SHIN , Sung Hwan Kim , Sung Hoon Bang
IPC分类号： H01L51/50 , G02F1/1333 , G02F1/295 , G02F1/163
CPC分类号： H01L51/50 , G02F1/133365 , G02F1/295 , G02F2001/1635 , G09G2310/0264 , G09G2370/08 , H03M1/00 , H03M1/12 , H03M1/123 , H04N9/045 , H04N17/002
摘要： A display device that may compensate for characteristic deviations among pixels and impact picture quality is provided. The display device includes a plurality of pixels, a plurality of sensing lines connected to the pixels, a sensing circuit configured to extract characteristic information of the pixels through the sensing lines. The sensing circuit includes a plurality of analog-to-digital converters (ADC) to convert the characteristic information into digital sensing data and to output the digital sensing data. A compensating circuit is configured to compare output values of the plurality of ADCs, to set a correction value, and to convert first data into second data based on the sensing data and the correction value. A data driver is configured to generate data signals corresponding to the second data and to output the data signals to the pixels.
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公开(公告)号：US20160140901A1
公开(公告)日：2016-05-19
申请号：US14619033
申请日：2015-02-10
发明人： Min Seok Bae , Sung Hoon Bang
IPC分类号： G09G3/32
CPC分类号： G09G3/3233 , G09G2300/0842 , G09G2320/0233 , G09G2320/0271 , G09G2320/048
摘要： An organic light emitting display device includes: a display panel including a plurality of sub-pixels, each of the sub-pixels including an organic light emitting device to be light-emitted by a data current based on a data voltage; a memory to store accumulated data to be displayed on each of the sub-pixels; a deterioration compensator including: a compensation scheme determiner; a compensation amount calculator; and a modulation data generation generator; a timing controller to arrange the modulation data of each of the sub-pixels as pixel data according to a pixel arrangement structure of the display panel; and a data driver to convert the pixel data into the data voltage.
摘要翻译： 有机发光显示装置包括：包括多个子像素的显示面板，每个子像素包括基于数据电压由数据电流发光的有机发光器件; 用于存储要在每个子像素上显示的累积数据的存储器; 劣化补偿器，包括：补偿方案确定器; 补偿金额计算器; 和调制数据生成发生器; 定时控制器，根据显示面板的像素排列结构，将每个子像素的调制数据排列为像素数据; 以及将像素数据转换成数据电压的数据驱动器。
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公开(公告)号：US10283047B2
公开(公告)日：2019-05-07
申请号：US15662187
申请日：2017-07-27
发明人： Jeong Hwan Shin , Sung Hoon Bang , Sung Hwan Kim
IPC分类号： G09G5/10 , G09G3/3233 , G09G3/3266 , G09G3/3275
摘要： A display device is configured to be driven in a period that is divided into a driving period and a sensing period. The display device includes pixels including driving transistors coupled to scan lines, data lines, and sensing lines, a scan driver configured to supply scan signals to the scan lines, a data driver configured to supply at least one of a reference voltage and data signals to the data lines, a sensing unit configured to sense the characteristic information via the sensing lines during the sensing period, control lines formed in parallel with the scan lines, a first switch coupled between an n-th scan line and an n-th control line, and a second switch coupled between the n-th control line and an (n+1)-th scan line and configured such that a turn-on period of the second switch does not overlap a turn-on period of the first switch.
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公开(公告)号：US20190096335A1
公开(公告)日：2019-03-28
申请号：US16131858
申请日：2018-09-14
发明人： Sung Hwan Kim , Cheol Min Kim , Sung Hoon Bang
IPC分类号： G09G3/3291 , G09G3/3266 , G09G3/3258 , G09G3/3233 , H01L27/32
CPC分类号： G09G3/3291 , G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G2300/0426 , G09G2300/0814 , G09G2300/0819 , G09G2310/08 , G09G2320/0223 , G09G2320/0295 , G09G2320/045 , G09G2330/00 , H01L27/3276
摘要： An organic light emitting display device includes a driving transistor having one electrode connected with a node, and another electrode connected with an organic light emitting element, a first control transistor for receiving a first driving voltage through one electrode, and having another electrode connected with the node, a second control transistor for receiving a second driving voltage through one electrode, and having another electrode connected with the node, and a sensing transistor having one electrode connected between the another electrode of the driving transistor and the organic light emitting element, wherein the sensing transistor is turned on in a sensing period, the first control transistor is turned off in the sensing period, and the second control transistor is turned on in the sensing period.
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