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公开(公告)号：US11842684B2
公开(公告)日：2023-12-12
申请号：US17761161
申请日：2020-12-09
发明人： Lijun Yuan , Ning Cong , Can Wang , Jinfei Niu , Minghua Xuan , Can Zhang
IPC分类号： G09G3/3233 , G09G3/20 , G09G3/32 , G11C19/28 , G06F3/01
CPC分类号： G09G3/3233 , G09G3/2088 , G09G3/32 , G11C19/28 , G06F3/013 , G09G2310/0267 , G09G2310/0286 , G09G2330/021 , G09G2354/00 , G09G2370/18 , G09G2380/00
摘要： A display panel includes a substrate, a plurality of display units, a driving circuit and a gating circuit. Each display unit includes a plurality of pixel islands, and each pixel island includes a plurality of sub-pixels of a same color. The driving sub-circuit is configured to output driving signals. The gating circuit is coupled to the driving circuit, and is further coupled to sub-pixels of pixel islands in at least part of the plurality of display units. The gating circuit is configured to control a connection of the driving circuit to sub-pixels of pixel islands of at least one display unit in the at least part of the plurality of display units, so that the sub-pixels of the pixel islands of the at least one display unit are driven by at least one driving signal from the driving circuit to perform display.
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公开(公告)号：US11670213B2
公开(公告)日：2023-06-06
申请号：US17613985
申请日：2020-12-18
发明人： Lijun Yuan , Can Zhang , Ning Cong , Can Wang , Jinfei Niu , Minghua Xuan
IPC分类号： G09G3/20 , G09G3/3233
CPC分类号： G09G3/2074 , G09G3/3233 , G09G3/2003 , G09G2300/0452 , G09G2300/0842 , G09G2310/0297 , G09G2310/08 , G09G2330/021
摘要： A display panel includes: a plurality of light emitting signal lines. Under a control of switching signals provided from a plurality of switching signal lines and control signals provided from a plurality of control signal lines, working gray scale level signals corresponding to respective display gray scales are written to corresponding sub-pixels in an order from small to large in working gray scale sequentially by a plurality of times in one frame display time through the plurality of light emitting signal lines. Different working gray scale level signals indicate have different durations, and each of the working gray scale level signals is provided to the organic light emitting diode via the second transistor through a light emitting signal line, and a final display gray scale is a gray scale caused by superimposing different working gray scale level signals.
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公开(公告)号：US20230069670A1
公开(公告)日：2023-03-02
申请号：US17778540
申请日：2021-06-25
发明人： Wei Li , Can Wang , Can Zhang , Li Xiao , Minghua Xuan , Lijun Yuan , Jinfei Niu , Jingjing Zhang , Guangcai Yuan
IPC分类号： H01L25/16
摘要： A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.
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公开(公告)号：US11373584B2
公开(公告)日：2022-06-28
申请号：US16976858
申请日：2019-11-29
发明人： Jiao Zhao , Li Xiao , Minghua Xuan , Haoliang Zheng , Dongni Liu , Jing Liu , Qi Qi , Zhenyu Zhang , Liang Chen , Hao Chen , Lijun Yuan
摘要： An array substrate has a display area, and the array substrate includes at least one pixel group and at least one pixel circuit group. The at least one pixel group is disposed in the display area, and each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group.
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5.发明授权公开(公告)号：US10811114B2
公开(公告)日：2020-10-20
申请号：US16138878
申请日：2018-09-21
发明人： Lijun Yuan , Mingfu Han , Seung Woo Han , Xing Yao , Zhichong Wang , Guangliang Shang , Haoliang Zheng
IPC分类号： G11C19/00 , G11C19/28 , G09G3/3258 , G09G3/36
摘要： Embodiments of the present application provide a shift register unit, a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit comprises at least two sub-circuits of a first output sub-circuit, a second output sub-circuit, and a third output sub-circuit. The first output sub-circuit is configured to output a voltage at a signal output terminal to a reset signal output terminal; the second output sub-circuit is configured to output the voltage at the signal output terminal to a gating signal output terminal; and the third output sub-circuit is configured to output a voltage at a second voltage terminal to a light-emitting control signal output terminal or is configured to output a voltage at a first voltage terminal to the light-emitting control signal output terminal.
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公开(公告)号：US10115335B2
公开(公告)日：2018-10-30
申请号：US15502983
申请日：2016-05-19
发明人： Haoliang Zheng , Seungwoo Han , Guangliang Shang , Hyunsic Choi , Mingfu Han , Xing Yao , Zhichong Wang , Lijun Yuan
摘要： The present disclosure relates to a shift register unit and driving method thereof, a gate driving circuit and a display device. The shift register unit comprises: an input module for controlling a level of a first node based on a scan pulse, an output module for controlling a scan pulse output based on the level of the first node, a reset module for resetting the first node and the scan pulse output, and a control module for generating a reset trigger signal, wherein the reset module further resets the first node based on the reset trigger signal. The shift register units can be cascaded to form a gate driving circuit to realize output of multiple scan pulses. By integrating such a gate driving circuit on the array substrate, area of the bezel region of the array substrate can be reduced, thereby facilitating bezel narrowing of a display device. At the same time, due to presence of the control module, the reset module is enabled to reset the first node more stably while normal output of the scan pulse is maintained.
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公开(公告)号：US11335243B2
公开(公告)日：2022-05-17
申请号：US16904585
申请日：2020-06-18
发明人： Haoliang Zheng , Minghua Xuan , Dongni Liu , Ning Cong , Zhenyu Zhang , Lijun Yuan , Yi Ouyang , Guangliang Shang
IPC分类号： G09G3/32
摘要： Disclosed are a display panel and a display device. The display panel includes M rows and N columns of pixel units. The display panel is divided into R regions along a column direction, and an i-th region includes: (1+M(i−1)/R)-th row to a (Mi/R)-th row of pixel units. The display panel further includes M shift registers, M light emitting drivers, R light emitting control scan staring signal terminals, R scan start signal terminals for controlling time length and R scan start signal terminals for controlling current. An i-th row of pixel units is connected with an i-th shift register and an i-th light emitting driver, a light emitting driver connected to a first row of pixel units in the i-th region is connected with an i-th scan start signal terminal for controlling light emission.
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公开(公告)号：US11176886B2
公开(公告)日：2021-11-16
申请号：US16319185
申请日：2018-05-14
发明人： Lijun Yuan , Mingfu Han , Zhichong Wang , Haoliang Zheng , Seungwoo Han , Guangliang Shang
IPC分类号： G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/3233 , G09G3/3208 , G09G3/3225
摘要： The present disclosure discloses a circuit, a driving method thereof, a display panel and a display device. The circuit may include: a signal control module, a compensation control module, an initialization module, a data writing module, a driving control module, and a light emitting device. With the signal control module which is cooperated with other modules, the threshold voltage compensation time of the driving transistor can be increased, and the threshold voltage compensation can be ensured, thereby improving the image display quality.
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公开(公告)号：US20210335314A1
公开(公告)日：2021-10-28
申请号：US16332902
申请日：2018-09-26
发明人： Lijun Yuan , Seungwoo Han , Guangliang Shang
IPC分类号： G09G3/36
摘要： The present disclosure relates to a pixel circuit. The pixel circuit may include a switch sub-circuit (10), a storage sub-circuit (20), and a driving sub-circuit (30). The storage sub-circuit (20) may include a first storage transistor (Tf1) and a second storage transistor (Tf2). Both the first storage transistor (Tf1) and the second storage transistor (Tf2) may be floating gate transistors. The storage sub-circuit (20) and the driving sub-circuit (30) may be configured to transmit a data signal from one of a plurality of data lines to a pixel electrode under control of the switch sub-circuit (10).
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公开(公告)号：US20200258463A1
公开(公告)日：2020-08-13
申请号：US15768309
申请日：2017-10-31
发明人： Jiha Kim , Seungwoo Han , Guangliang Shang , Haoliang Zheng , Xing Yao , Zhichong Wang , Mingfu Han , Lijun Yuan , Yunsik IM , Jing Lv , Xue Dong
摘要： A shift register unit cascaded in a gate drive circuit, wherein the shift register unit comprises: a control circuit configured to output a control signal, at least two buffer circuits coupled to the control circuit, each of the at least two buffer circuits configured to output scan signal to a gate line. As such, the scan signals output from the at least two buffer circuits would be synchronized so that the gate lines respectively coupled to the two buffer circuits can be scanned simultaneously.
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