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公开(公告)号：US11699385B2
公开(公告)日：2023-07-11
申请号：US17445281
申请日：2021-08-17
发明人： Dong Won Lee , Seok Young Yoon
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2310/027 , G09G2320/045 , G09G2340/00
摘要： A display device includes: a display unit including pixels, wherein each of the pixels includes stacks connected in series and each of the stacks includes a light emitting element; a storage to store pieces of stack number information, wherein each of the pieces of the stack number information indicates the number of stacks constituting an effective light source from among the stacks for each of the pixels; a compensator to generate compensated data by compensating image data based on the pieces of the stack number information; and a data driver to generate data voltages based on the compensated data and to provide the data voltages to the display unit. The pixels are to emit light with luminances corresponding to the data voltages.
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公开(公告)号：US12062333B2
公开(公告)日：2024-08-13
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：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：US11501698B2
公开(公告)日：2022-11-15
申请号：US17444165
申请日：2021-07-30
发明人： Eui Myeong Cho , Ho Cheol Kang , Seok Young Yoon , Dae Gwang Jang
IPC分类号： G09G3/32
摘要： A display device includes a pixel. The pixel includes an emission unit and a pixel circuit. The pixel circuit to provide a first driving current to the emission unit in a first current flowing direction in a first mode, and to provide a second driving current to the emission unit in a second current flowing direction different from the first current flowing direction in a second mode. The emission unit includes a first electrode and a second electrode spaced from each other, a first light emitting element connected between the first electrode and the second electrode in the first current flowing direction, and a second light emitting element connected between the first electrode and the second electrode in the second current flowing direction.
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公开(公告)号：US12039916B2
公开(公告)日：2024-07-16
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 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2320/0233 , G09G2320/0257 , G09G2320/0276 , G09G2320/045 , G09G2320/0673 , G09G2360/16
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：US11948496B2
公开(公告)日：2024-04-02
申请号：US17406596
申请日：2021-08-19
发明人： Seok Young Yoon , Dong Won Lee
CPC分类号： G09G3/32 , G09G5/10 , G09G2320/041
摘要： A display device includes light-emitting units including at least one element set including light-emitting elements; a first storage unit that stores temperature data of the at least one element set; and a compensator that extracts a first element set having temperature data of a higher temperature than an average temperature among the temperature data of the at least one element set and compensates for image data based on the extracted first element set to generate compensation data.
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公开(公告)号：US20220122524A1
公开(公告)日：2022-04-21
申请号：US17444165
申请日：2021-07-30
发明人： Eui Myeong Cho , Ho Cheol Kang , Seok Young Yoon , Dae Gwang Jang
IPC分类号： G09G3/32
摘要： A display device includes a pixel. The pixel includes an emission unit and a pixel circuit. The pixel circuit to provide a first driving current to the emission unit in a first current flowing direction in a first mode, and to provide a second driving current to the emission unit in a second current flowing direction different from the first current flowing direction in a second mode. The emission unit includes a first electrode and a second electrode spaced from each other, a first light emitting element connected between the first electrode and the second electrode in the first current flowing direction, and a second light emitting element connected between the first electrode and the second electrode in the second current flowing direction.
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