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公开(公告)号：US20190228696A1
公开(公告)日：2019-07-25
申请号：US15579432
申请日：2017-06-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongqian LI , Pan XU , Quanhu LI
Abstract: A pixel driving circuit and a driving method thereof, an array substrate and a display device are provided. The pixel driving circuit includes: a color data write unit, a luminance control unit, and a graphene light-emitting device. The graphene light-emitting device can emit light under the control of a color data signal and a luminance control signal. The driving method of a pixel driving circuit is conducted to drive the pixel driving circuit.
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公开(公告)号：US20190096326A1
公开(公告)日：2019-03-28
申请号：US15991172
申请日：2018-05-29
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN , Meng LI , Xuehuan FENG , Zhenfei CAI
IPC: G09G3/3241 , G09G3/3258 , H01L27/32
CPC classification number: G09G3/3241 , G09G3/3233 , G09G3/3258 , G09G2300/0852 , G09G2300/0861 , G09G2310/0251 , G09G2320/0204 , G09G2320/0295 , G09G2320/043 , H01L27/3265
Abstract: The present disclosure relates to a pixel compensation circuit, a driving method for the pixel compensation circuit, a display panel and a display device. The pixel compensation circuit includes a reset circuit, a data writer, a compensation circuit, a driver, and a light emitting device. The threshold voltage of the light emitting device may be provided to the driver through the compensation circuit.
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公开(公告)号：US20190088180A1
公开(公告)日：2019-03-21
申请号：US16134680
申请日：2018-09-18
Inventor： Zhenfei CAI , Yongqian LI , Can YUAN , Xuehuan FENG
IPC: G09G3/00 , H01L27/12 , G09G3/3225
Abstract: A display panel includes M drive groups disposed side by side in a display area, and M pad groups disposed in a wiring area around the display area. Each pad group includes N data detection terminals. Each drive group includes a plurality of columns of pixel units, and each pixel unit includes N sub-pixels. N≥3, M≥2, and M and N are positive integers. Each data detection terminal is configured to receive a signal output from a detection device. The pad groups are in one-to-one correspondence with the drive groups. Sub-pixels having same color in a drive group of the drive groups are electrically connected to a data detection terminal of one of the pad groups corresponding to the drive group via a same one of data lines.
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公开(公告)号：US20180233498A1
公开(公告)日：2018-08-16
申请号：US15509714
申请日：2016-09-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD
Inventor： Pan XU , Yongqian LI , Quanhu LI
IPC: H01L27/02 , G02F1/1362 , H01L29/788 , H01L27/12
CPC classification number: H01L27/0292 , G02F1/136204 , G02F1/136286 , G02F2201/121 , H01L27/0288 , H01L27/124 , H01L29/788
Abstract: The present disclosure provides a substrate, including: a first line; a second line; a thin-film transistor (TFT) between the first line and the second line, having a floating gate structure, a source electrode electrically connected to the first line, and a drain electrode electrically connected to the second line; and a first point-discharge structure between the floating gate structure of the TFT and the first line.
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公开(公告)号：US20250169301A1
公开(公告)日：2025-05-22
申请号：US18841689
申请日：2023-10-09
Inventor： Liu WU , Yongqian LI
IPC: H10K59/131 , H10D86/40 , H10D86/60 , H10K59/121 , H10K59/80
Abstract: A display panel, comprising: a base substrate, a display structure layer, a packaging structure layer, and a plurality of signal lead-out lines. The base substrate comprises: a display area, a signal access area located on one side of the display area, and a peripheral wiring area located between the display area and the signal access area. The packaging structure layer extends from the display area to the peripheral wiring area. The peripheral wiring area comprises a first area located on the side of a packaging boundary of the packaging structure layer close to the signal access area. The plurality of signal lead-out lines are located in the peripheral wiring area. At least one signal lead-out line comprises a first wire located in the first area, wherein the first wire is a double-layer wire.
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Patent Agency Ranking
公开(公告)号：US20250143074A1
公开(公告)日：2025-05-01
申请号：US19007955
申请日：2025-01-02
Inventor： Can YUAN , Yongqian LI , Bin ZHOU , Ning LIU , Zhidong YUAN
IPC: H10K50/824 , H10K59/121 , H10K59/131 , H10K71/00
Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a substrate, and a compensation electrode, an auxiliary electrode, a light-emitting functional layer, and a cathode layer arranged on one side of the substrate. The auxiliary electrode is arranged on one side of the compensation electrode away from the substrate, and coupled to the compensation electrode. A first notch is formed in a side surface of the auxiliary electrode, and at least a part of the first notch extends in a direction parallel to the substrate. The light-emitting functional layer is arranged on one side of the auxiliary electrode away from the substrate, and interrupted at the first notch. The cathode layer is arranged on one side of the light-emitting functional layer away from the substrate, and coupled to the auxiliary electrode at the first notch.
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公开(公告)号：US20250131879A1
公开(公告)日：2025-04-24
申请号：US18686880
申请日：2022-03-29
Inventor： Yongqian LI , Xuehuan FENG
IPC: G09G3/3233 , G09G3/3266 , G11C19/28
Abstract: Provided are a display panel, a driving method therefor and a display device. The display panel includes pixel driving circuits and a first gate driving circuit. The pixel driving circuit includes a driving circuit connected to first to third nodes for inputting a driving current to the third node through the second node, and a first switching unit having a first terminal connected to the third node and a second terminal connected to a sensing signal terminal for electrically connecting, in response to a signal at a control terminal thereof, the third node and sensing signal terminal. The first gate driving circuit includes a first output terminal corresponding to the pixel driving circuit and connected to the control terminal. The first output terminal outputs an active level pulse during data writing stage and black frame insertion stage of a driving cycle of the pixel driving circuit corresponding thereto.
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公开(公告)号：US20250104626A1
公开(公告)日：2025-03-27
申请号：US18558500
申请日：2022-10-28
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN , Cheng XU , Dacheng ZHANG , Dandan ZHOU , Liu WU , Luke DING , Xiuting LIU
IPC: G09G3/3233 , G09G3/32
Abstract: A display substrate and a display device. The display substrate includes a driving circuit layer, a first scanning line and a second scanning line. The driving circuit layer includes pixel units arranged in an array form, each pixel unit includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit, the pixel driving circuit includes a first transistor and a second transistor, an active pattern of the first transistor includes a first channel region, an active pattern of the second transistor includes a second channel region, the first channel region is located on a side of the first scanning line away from the second scanning line, and the second channel region is located on a side of the second scanning line away from the first scanning line.
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公开(公告)号：US20250098449A1
公开(公告)日：2025-03-20
申请号：US18558302
申请日：2022-04-29
Inventor： Can YUAN , Yongqian LI , Dacheng ZHANG , Bin ZHOU , Yu WANG , Xinxin WANG , Ning LIU
IPC: H10K59/131 , H10K59/35
Abstract: A display substrate and a display apparatus are provided. In the display substrate, the pixel definition layer defines opening regions of a plurality of sub-pixels; two adjacent sub-pixels are respectively an upper sub-pixel and a lower sub-pixel; the first electrode of the upper sub-pixel has a first edge close to the lower sub-pixel and a second edge intersecting with the first edge; the opening region of the upper sub-pixel has a first edge close to the lower sub-pixel and a second edge intersecting with the first edge; the distance between the first edge of the first electrode of the upper sub-pixel and the first edge of the opening region of the upper sub-pixel is greater than the distance between the second edge of the first electrode of the upper sub-pixel and the second edge of the opening region of the upper sub-pixel.
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公开(公告)号：US20240397786A1
公开(公告)日：2024-11-28
申请号：US18269960
申请日：2021-12-27
Inventor： Liu WU , Yongqian LI , Can YUAN , Zhidong YUAN
IPC: H10K59/80 , H10K59/131 , H10K59/35
Abstract: Disclosed are a display substrate and a display apparatus, the display substrate includes a transparent region and a pixel region, the pixel region includes a plurality of light emitting devices, the plurality of light emitting devices include a first light emitting device, an orthographic projection of a first anode layer of the first light emitting device on a plane of the display substrate is partially overlapped with an orthographic projection of the transparent region on the plane of the display substrate, and an orthographic projection of a second anode layer of the first light emitting device on the plane of the display substrate is within a range of an orthographic projection of the pixel region on the plane of the display substrate.
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