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公开(公告)号：US20230267885A1
公开(公告)日：2023-08-24
申请号：US18112424
申请日：2023-02-21
发明人： Eui Myeong CHO , Ho Cheol KANG , Jae Hyun KOH , Seok Young YOON
IPC分类号： G09G3/3233 , H01L27/146 , H01L33/24 , H01L33/44
CPC分类号： G09G3/3233 , H01L27/146 , H01L33/24 , H01L33/44 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233
摘要： A pixel includes a first transistor connected between a first power line and a first node, and including a gate electrode connected to a second node, a second transistor connected between a data line and the second node, and including a gate electrode connected to a scan line, a third transistor connected between a first sensing line and the first node, and including a gate electrode connected to a first control line, a fourth transistor connected between a second sensing line and a third node, and including gate electrode connected to a second control line, a first sub light emitting unit including light emitting elements connected in parallel in a forward direction between the first node and the third node, and a second sub light emitting unit including light emitting elements connected in parallel in the forward direction between the third node and a second power line.
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公开(公告)号：US20150221263A1
公开(公告)日：2015-08-06
申请号：US14339260
申请日：2014-07-23
发明人： Jae Hyun KOH , Seung Gyun GO , Young Rok NOH , Hyun-Sik YOON , Jun Pyo LEE
CPC分类号： H04N13/398 , G09G3/003 , G09G3/3611 , G09G2310/0237 , G09G2310/06 , G09G2320/0209 , G09G2320/0233 , H04N13/341
摘要： The present disclosure relates to a 3D image display device and a driving method thereof, and more particularly, to a 3D image display device including a shutter member and a driving method thereof. An exemplary embodiment of the present invention provides a 3D image display device including: a display panel including a plurality of pixels and a plurality of data lines; a data driver configured to apply a data voltage to the data lines; and a signal controller configured to receive an input image signal to generate an output image signal and control the data driver, wherein the signal controller includes a signal compensator for compensating the input image signal to have a clipped gray scale that is lower than a highest gray scale when the input image signal is the highest gray scale in a 3D mode.
摘要翻译： 本发明涉及一种3D图像显示装置及其驱动方法，更具体地说，涉及一种包括挡板部件及其驱动方法的3D图像显示装置。 本发明的示例性实施例提供一种3D图像显示装置，包括：显示面板，包括多个像素和多条数据线; 配置为将数据电压施加到数据线的数据驱动器; 以及信号控制器，被配置为接收输入图像信号以产生输出图像信号并控制数据驱动器，其中信号控制器包括信号补偿器，用于补偿输入图像信号以具有低于最高灰度的剪切灰度 当3D模式中输入图像信号为最高灰度时，缩放比例。
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公开(公告)号：US20230137600A1
公开(公告)日：2023-05-04
申请号：US17868145
申请日：2022-07-19
发明人： Jae Hyun KOH , Jin Pil KIM
IPC分类号： G09G3/20 , G09G3/3266
摘要： A display device includes a display panel including areas including pixels electrically connected to a plurality of gate lines and a plurality of data lines; a gate driver that supplies a gate signal to each of the plurality of gate lines; an average grayscale calculator that receives input image data, and calculating average grayscale values with respect to the areas; an area determiner that compares the average grayscale values with a low grayscale reference value to determine a low grayscale area among the areas, and output a charge boosting signal; a memory that stores gate clock signal information according to a grayscale; and a gate clock signal generator that supplies a gate clock signal corresponding to the areas to the gate driver by reflecting the charge boosting signal and the gate clock signal information according to the grayscale.
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公开(公告)号：US20240078947A1
公开(公告)日：2024-03-07
申请号：US18330610
申请日：2023-06-07
发明人： Jae Hyun KOH , Seok Young YOON
摘要： A display device includes a display panel. Circuit boards include power lines electrically connected to the display panel. A power supply supplies a power voltage to the display panel through the power lines. A resistance adjuster is disposed on at least one of the circuit boards, and adjusts a resistance of at least one power line among the power lines such that a current deviation between the power lines is within a reference range.
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公开(公告)号：US20230215346A1
公开(公告)日：2023-07-06
申请号：US18061101
申请日：2022-12-02
发明人： Eui Myeong CHO , Ho Cheol KANG , Jae Hyun KOH , Seok Young YOON
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0842 , G09G2300/0426 , G09G2320/0673 , G09G2320/0276 , G09G2320/0233 , G09G2300/0819 , G09G2310/08 , G09G2360/16 , G09G2320/0257 , G09G2320/045
摘要： A display device includes: pixels, each of the pixels including at least one light emitting element and a first transistor configured to supply a driving current to the at least one light emitting element; a sensing unit configured to sense a driving current of the first transistor, which corresponds to a data voltage applied to one pixel from among the pixels, the sensing unit being configured to detect a luminance of the light emitting element, which corresponds to the driving current; a gamma calculator configured to receive the driving current and the luminance of the light emitting element from the sensing unit, to calculate a gamma changed based on the driving current and the luminance of the light emitting element, and to provide, to a memory, the gamma changed based on the driving current and the luminance of the light emitting element.
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公开(公告)号：US20240331610A1
公开(公告)日：2024-10-03
申请号：US18401856
申请日：2024-01-02
发明人： Ye Ji LEE , Yoon KANG , Jae Hyun KOH , Min Weun KIM , Jae Gwan JEON
IPC分类号： G09G3/20 , G09G3/3233
CPC分类号： G09G3/2096 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233 , G09G2320/041 , G09G2320/0626
摘要： A display device includes: a display unit including pixels connected to data lines and scan lines, the display unit being partitioned into a plurality of blocks; at least one driver overlapping with the display unit in a plan view, where the at least one driver is configured to drive the display unit; a temperature sensor for generating an ambient temperature value; and a timing controller for generating a panel temperature value corresponding to an actual temperature of the display unit by using the ambient temperature value, and generating pixel temperature values corresponding to temperatures of the pixels, respectively, by using the panel temperature value. The timing controller is supplied with input data, and generates output data by reflecting the pixel temperature value on the input data.
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公开(公告)号：US20230230534A1
公开(公告)日：2023-07-20
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
CPC分类号： G09G3/32 , G09G2310/08 , G09G2310/027 , G09G2310/0267 , 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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