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公开(公告)号：US11308887B2
公开(公告)日：2022-04-19
申请号：US16766020
申请日：2019-07-01
IPC: G09G3/3266 , G09G3/3233 , G09G3/3291
Abstract: A display panel and a display device are disclosed, the display panel includes a plurality of display regions, a peripheral region surrounding the plurality of display regions, a plurality of light-emission control scan driving circuits provided in the peripheral region, a first start signal line, and a second start signal line. The first start signal line is different from the second start signal line, the plurality of display regions include a first display region and a second display region, the plurality of light-emission control scan driving circuits include a first light-emission control scan driving circuit and a second light-emission control scan driving circuit, the first start signal line is configured to provide a first start signal to the first light-emission control scan driving circuit, and the second start signal line is configured to provide a second start signal to the second light-emission control scan driving circuit.
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公开(公告)号：US11217632B2
公开(公告)日：2022-01-04
申请号：US16518020
申请日：2019-07-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhenzhen Li , Libin Liu , Hui Zhao
IPC: H01L27/32
Abstract: An display panel and a display device are provided, the display panel having a display region defined therein, the display region including: a regular display region; and an irregular display region located at corners of the regular display region, the irregular display region comprising a first region and a second region which is located at edges of the irregular display region and outside the first region; the first region is provided with a plurality of first pixels therein, and the second region is provided with a plurality of second pixels therein, each of the plurality of second pixels having an area smaller than that of each of the plurality of first pixels.
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93.发明授权公开(公告)号：US11127342B2
公开(公告)日：2021-09-21
申请号：US16096102
申请日：2018-01-15
IPC: G09G3/3233 , G09G3/32 , G09G3/20
Abstract: The present disclosure provides a display device, a pixel circuit and its control method, the circuit including: a resetting and charging circuit, for resetting a capacitor connected between a gate electrode of the driving transistor of the pixel circuit and an anode of a LED, and then charging the capacitor; a writing circuit, for writing a data signal to the gate electrode of the driving transistor; a driving circuit including the driving transistor, for driving the LED to emit light when the driving transistor receives the data signal; wherein, the driving transistor for driving the LED to emit light is an oxide TFT, and the other transistors in the pixel circuit are low temperature polysilicon (LTPS) TFTs.
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公开(公告)号：US20210217348A1
公开(公告)日：2021-07-15
申请号：US16772851
申请日：2019-12-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Libin Liu
IPC: G09G3/20 , G09G3/3283
Abstract: A light-emitting control circuit and a driving method of a display device are disclosed. The display device includes a plurality of rows of sub-pixels; each row of sub-pixels includes at least first color sub-pixels and second color sub-pixels; each of the first and second color sub-pixels includes a pixel circuit and a light-emitting unit; the light-emitting control circuit includes a plurality of light-emitting control circuit groups which are in a one-to-one correspondence with the plurality of rows of sub-pixels; each of the plurality of light-emitting control circuit groups at least includes a first light-emitting control sub-circuit and a second light-emitting control sub-circuit; the first and second light-emitting control sub-circuit provide a first light-emitting control signal and a second light-emitting control signal, respectively; and each of the first and second light-emitting control signal is used for driving the pixel circuit to output a driving current to the light-emitting unit.
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公开(公告)号：US11037491B1
公开(公告)日：2021-06-15
申请号：US16830775
申请日：2020-03-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiangnan Lu , Libin Liu
IPC: G09G5/10 , G09G3/3225 , G09G3/3275
Abstract: The disclosure discloses a display panel and a display device. Each data writing circuit includes: a first sub-data writing transistor, a second sub-data writing transistor and a distributed capacitor; a gate of the first sub-data writing transistor and a gate of the second sub-data writing transistor are both electrically connected with a corresponding scanning signal line, a first end of the first sub-data writing transistor is electrically connected with a corresponding data line, a second end of the first sub-data writing transistor is electrically connected with a first end of the second sub-data writing transistor, a second end of the second sub-data writing transistor is electrically connected with a gate of the driving transistor, and a first electrode of the distributed capacitor is electrically connected with the second end of the first sub-data writing transistor, and a second electrode of the distributed capacitor is electrically connected with a fixed voltage signal end.
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Patent Agency Ranking
公开(公告)号：US10971570B2
公开(公告)日：2021-04-06
申请号：US16622618
申请日：2019-05-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin Liu , Hao Zhang , Renrong Gai
IPC: H01L27/32 , G09G3/3225
Abstract: A display device includes a display layer, at least one brightness detecting unit group disposed on a light emitting side of the display layer, and a control module coupled to each of the brightness detecting units. The display layer includes a plurality of display units. Each display unit includes at least one sub-pixel. Each brightness detecting unit group includes a plurality of brightness detecting units, an orthographic projection of one brightness detecting unit on the display layer has an overlapping area with an arranging area of one display unit on the display layer. Respective portions, lying in overlapping areas, of the display units corresponding to different brightness detecting units in the same brightness detecting unit group are the same.
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公开(公告)号：US10923037B2
公开(公告)日：2021-02-16
申请号：US16398762
申请日：2019-04-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jianchao Zhu , Libin Liu
IPC: G09G3/3266 , G11C19/28
Abstract: The embodiments of the present disclosure disclose a gate driving circuit. The gate driving circuit includes at least one stage of shift register unit to be compensated, wherein a driving terminal of each stage of shift register unit to be compensated is connected to a gate line of a corresponding row of pixels to be compensated, and at least one stage of parasitics compensation circuit, wherein each stage of parasitics compensation circuit is connected in series between a power supply line and a driving terminal of a corresponding shift register unit to be compensated. Each stage of parasitics compensation circuit is configured to compensate a driving terminal of a corresponding shift register unit to be compensated for parasitic capacitance and/or parasitic resistance, so that respective stages of shift register units to be compensated have the same driving load.
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公开(公告)号：US20210013283A1
公开(公告)日：2021-01-14
申请号：US16622618
申请日：2019-05-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin Liu , Hao Zhang , Renrong Gai
IPC: H01L27/32 , G09G3/3225
Abstract: A display device includes a display layer, at least one brightness detecting unit group disposed on a light emitting side of the display layer, and a control module coupled to each of the brightness detecting units. The display layer includes a plurality of display units. Each display unit includes at least one sub-pixel. Each brightness detecting unit group includes a plurality of brightness detecting units, an orthographic projection of one brightness detecting unit on the display layer has an overlapping area with an arranging area of one display unit on the display layer. Respective portions, lying in overlapping areas, of the display units corresponding to different brightness detecting units in the same brightness detecting unit group are the same.
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公开(公告)号：US20200168692A1
公开(公告)日：2020-05-28
申请号：US16630496
申请日：2018-12-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Libin Liu , Qian Yang , Hongli Wang , Lujiang Huangfu
IPC: H01L27/32
Abstract: A display substrate and a display device are disclosed. The display substrate (10) includes a plurality of repeating units (100), a plurality of primary signal lines (21) and an auxiliary signal line (22). Each of the repeating units (100) includes a first sub-pixel (R1), a second sub-pixel (B1) and two third sub-pixels (G1, G2). The two third sub-pixels (G1, G2) are located between two adjacent primary signal lines (21). In each of the repeating units (100), the first sub-pixel (R1) and the second sub-pixel (B1) are arranged in a first direction (X), and the two third sub-pixels (G1, G2) are arranged in a second direction (Y). The first direction (X) and the second direction (Y) are different directions. At least one auxiliary signal line (22) is disposed between the two adjacent primary signal lines (21). Two ends of the auxiliary signal line (22) are respectively connected to the two adjacent primary signal lines (21). The two third sub-pixels (G1, G2) are respectively located on two sides of the auxiliary signal line (22).
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100.发明申请公开(公告)号：US20190173054A1
公开(公告)日：2019-06-06
申请号：US16107676
申请日：2018-08-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure discloses a display panel, which includes a thin-film transistor arranged on a substrate, an electroluminescent diode arranged on the thin-film transistor, which includes a bottom electrode, a light emitting layer, and a top electrode, and a thin-film encapsulation layer covering the electroluminescent diode. The display panel further includes an auxiliary electrode and a lead wire of the top electrode of the electroluminescent diode. The auxiliary electrode is electrically connected to the lead wire of the top electrode of the electroluminescent diode by penetrating through a via hole of the thin-film encapsulation layer. Arrangements of the present disclosure provide a display panel and a manufacturing method thereof and a display device including the display panel.
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