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公开(公告)号：US20240363065A1
公开(公告)日：2024-10-31
申请号：US18028743
申请日：2022-05-19
Inventor： Yuan SHEN , Lin XIONG , Jie TU , Zifeng WANG , Danfeng WANG , Jianmin FAN , Qing TANG
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0233 , G09G2320/0247
Abstract: A pixel circuit comprises a drive sub-circuit (101), writing sub-circuit (102), reset sub-circuit (103), voltage stabilizing sub-circuit (104), storage sub-circuit (105) and light emitting element. The drive sub-circuit is configured to provide a driving current to the light emitting element under control of signals of a first node (N1) and a second node (N2); the writing sub-circuit is configured to write a signal from a data signal terminal (Data) to N2 under control of signal of a scan signal terminal (Gate); the storage sub-circuit is configured to store a voltage of N1; the voltage stabilizing sub-circuit is configured to stabilize a voltage of an anode terminal of light emitting element through signal of a voltage stabilizing signal terminal (V1); the reset sub-circuit is configured to reset anode terminal of light emitting element under control of signal of Gate and reset N1 under control of signal of a reset control signal terminal (Reset).
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公开(公告)号：US20240355292A1
公开(公告)日：2024-10-24
申请号：US18762557
申请日：2024-07-02
Inventor： Yingteng ZHAI , Yuqi HU , Tianyi WU , Feng QIN
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08 , G09G2320/0247 , G09G2320/0633 , G09G2320/064
Abstract: Provided are a display panel, a driving method thereof, and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes an amplitude modulation subcircuit and a pulse width modulation subcircuit. The amplitude modulation subcircuit is connected to a first data signal line. The pulse width modulation subcircuit is connected to a second data signal line. At least one of the first data signal line or the second data signal line is used to transmit a data signal and a bias adjustment signal.
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公开(公告)号：US20240355270A1
公开(公告)日：2024-10-24
申请号：US18492823
申请日：2023-10-24
Inventor： Haemin Kim , Yong-Sang Kim , Kyunghoon Chung , Eun Kyo Jung , Hwarim Im
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0426 , G09G2300/0852 , G09G2300/0861 , G09G2310/0286 , G09G2310/08 , G09G2320/0214
Abstract: An emission driving circuit comprises a pull-up circuit configured to output a first power voltage as an emission signal in response to a voltage of a pull-up control node, a first pull-down control circuit configured to control a voltage of a pull-down control node in response to the voltage of the pull-up control node, and a pull-down circuit configured to output a second power voltage as the emission signal in response to the voltage of the pull-down control node, wherein the first pull-down control circuit comprises a first transistor and a second transistor which are electrically connected in series.
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公开(公告)号：US12125438B2
公开(公告)日：2024-10-22
申请号：US17905251
申请日：2021-08-30
Inventor： Zhu Wang , Zhenglong Yan , Ling Shi
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0223 , G09G2320/0233
Abstract: A pixel circuit includes a light-emitting element, a driving circuit, a compensation control circuit, a data writing-in circuit, a first reset circuit, a light-emitting control circuit and an energy storage circuit; the compensation control circuit controls to connect the control end and the first end of the driving circuit; the data writing-in circuit writes a data voltage into the second end of the driving circuit; the first reset circuit writes a reference voltage into the control end of the driving circuit under the control of a reset control signal; the energy storage circuit is electrically connected to the control end of the driving circuit and the first electrode of the light-emitting element, and is configured to store electrical energy; the driving circuit controls to connect the first end and the second end of the driving circuit under the control of the control end thereof.
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5.发明授权公开(公告)号：US12125428B2
公开(公告)日：2024-10-22
申请号：US17923690
申请日：2021-11-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Seungwoo Han , Haoliang Zheng , Dongni Liu , Li Xiao , Jiao Zhao , Xiaorong Cui , Minghua Xuan
CPC classification number: G09G3/32 , G11C19/28 , G09G2300/0842 , G09G2300/0861 , G09G2310/0286 , G09G2310/08
Abstract: A shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. All transistors included in the shift register are N-type transistors.
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Patent Agency Ranking
公开(公告)号：US20240347003A1
公开(公告)日：2024-10-17
申请号：US18428688
申请日：2024-01-31
Applicant: Samsung Display Co., LTD.
Inventor： Joon Chul GOH , Sang Hyun HEO
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2320/02
Abstract: Provided herein is a sub-pixel including first to seventh transistors, first and second capacitors, and a light emitting element, and a display device including the sub-pixel. A body terminal of the first transistor is connected to a first power line. In the sub-pixel and the display device including the sub-pixel in accordance with embodiments of the present disclosure, mitigation of the body effect may lead to an improvement in display quality.
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公开(公告)号：US20240346972A1
公开(公告)日：2024-10-17
申请号：US18439773
申请日：2024-02-13
Applicant: Samsung Display Co., Ltd.
Inventor： DONGWOO KIM , KWIHYUN KIM , YEONKYUNG KIM
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/0452 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08
Abstract: A display panel is disclosed that includes a first pixel, a second pixel and an initialization transistor. The first pixel includes a first light emitting element configured to emit light based on a data writing gate signal, an initialization gate signal, a compensation gate signal, an emission signal and a first data voltage. The second pixel includes a second light emitting element configured to emit light based on the data writing gate signal, the initialization gate signal, the compensation gate signal, the emission signal and a second data voltage. The initialization transistor is commonly connected to the first pixel and the second pixel. The initialization transistor is configured to output an initialization voltage to the first pixel and the second pixel in response to the initialization gate signal.
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公开(公告)号：US12119436B2
公开(公告)日：2024-10-15
申请号：US17432610
申请日：2019-08-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Ho Lee , Sung-Chan Jo , Jong Hyuk Kang , Hyun Deok Im , Hyun Min Cho , Won Kyu Kim
CPC classification number: H01L33/62 , G09G3/32 , H01L33/005 , H01L33/382 , G09G2300/0426 , G09G2300/0819 , G09G2300/0861 , G09G2320/0233 , H01L2933/0016 , H01L2933/0066
Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.
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公开(公告)号：US12118939B2
公开(公告)日：2024-10-15
申请号：US18273695
申请日：2022-07-11
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3233 , G09G3/3225 , G09G3/3266 , G09G3/3275 , G09G3/3291 , H10K59/121
CPC classification number: G09G3/3233 , G09G3/3225 , G09G3/3266 , G09G3/3275 , G09G3/3291 , H10K59/1213 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0852 , G09G2300/0861 , G09G2310/0251 , G09G2310/061 , G09G2310/08 , G09G2320/0247 , G09G2320/045 , G09G2330/021
Abstract: A pixel circuit and a driving method therefor, an array substrate and a display device are provided. The pixel circuit includes a driving circuit, a data writing circuit, a first initialization circuit. The driving circuit is configured to control a driving current; the data writing circuit is configured to write a data signal into the control terminal of the driving circuit; the first initialization circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit, and includes a first transistor; the data writing circuit includes a second transistor and the driving circuit includes a third transistor; semiconductor materials of active layers of both the first transistor and the second transistor have a smaller leakage current characteristic than a semiconductor material of a third active layer of the third transistor.
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公开(公告)号：US12118936B2
公开(公告)日：2024-10-15
申请号：US18119635
申请日：2023-03-09
Applicant: Electronics and Telecommunications Research Institute , IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
Inventor： Chun Won Byun , Chan Mo Kang , Nam Sung Cho , Byong Deok Choi , Yong Duck Kim
IPC: G09G3/3233 , G09G3/20
CPC classification number: G09G3/3233 , G09G3/2007 , G09G3/2096 , G09G2300/0465 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0202 , G09G2310/08 , G09G2330/028
Abstract: A pixel circuit may comprise: a first transistor having a first terminal connected to a data line and to which a data signal is applied and a gate terminal connected to a scan line and to which a scan signal is applied; a third transistor having a gate terminal connected to a second terminal of the first transistor and a second terminal connected to a light emitting device; a capacitor having a second terminal commonly connected to the second terminal of the first transistor and the gate terminal of the third transistor; and a second transistor having a second terminal commonly connected to a first terminal of the capacitor and a first terminal of the third transistor, a first terminal connected to a first power supply voltage, and a gate terminal connected to an emission line to which an emission signal is applied.
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