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公开(公告)号：US12193292B2
公开(公告)日：2025-01-07
申请号：US17924137
申请日：2021-01-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bo Wang , Fuqiang Li , Yipeng Chen
IPC: H10K59/131 , G09G3/3225 , H10K59/121 , H10K71/00 , H10K59/12 , H10K59/35
Abstract: A base substrate of a display substrate includes a display region; a plurality of pixel units in the display region, each pixel unit includes a first pixel circuit and a second pixel circuit adjacent to each other in a first direction; an initialization signal line extending in the first direction and supplying an initialization signal to the first pixel circuit and the second pixel circuit; a first control signal line extending in the first direction and supplying a gate signal to the first pixel circuit and the second pixel circuit; and a light-emitting control signal line extending in the first direction and supplying a light-emitting control signal to the first pixel circuit and the second pixel circuit; the initialization signal line is on a side of the light-emitting control signal line away from the first control signal line, extends along the first direction and includes segments arranged at intervals.
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公开(公告)号：US12183298B2
公开(公告)日：2024-12-31
申请号：US17788113
申请日：2021-08-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hui Zhang , Kai Hou , Hongrun Wang , Shunhang Zhang , Liwei Liu , Yunsik Im , Changfeng Li , Fuqiang Li
IPC: G02F1/1362 , G02F1/1368 , G09G3/36 , G09G3/32
Abstract: Disclosed are a display panel, a display apparatus, a driving method thereof. The display panel includes: a first base substrate; scanning lines; data lines; sub-pixels, in regions divided by the scanning lines and the data lines, at least two sub-pixels adjacent in a first direction and a second direction constitute a pixel island, the sub-pixels constitute pixel islands, each pixel island includes n sub-pixel rows in the second direction; scanning signal input lines, in one-to-one correspondence to the scanning lines; control signal lines; fixed potential lines; and control circuits, located between the adjacent sub-pixels. One pixel island is connected to at least n control circuits, one control circuit corresponds to one row of sub-pixels in the pixel island. The control circuits are configured to: transfer, under control of control signal lines, signals provided by the scanning signal input lines or the fixed potential lines to the scanning lines.
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公开(公告)号：US12170040B2
公开(公告)日：2024-12-17
申请号：US17915427
申请日：2021-11-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bo Wang , Fuqiang Li
IPC: G09G3/00 , H01L27/144
Abstract: Provided is a display device, which includes a flexible display panel including a display region and a peripheral region surrounding the display region; a driver integrated circuit (IC) disposed in the peripheral region; a plurality of detection circuits disposed in the peripheral region and close to the slidable region; at least one input signal line; at least one control signal line and at least one detection signal line.
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公开(公告)号：US12147134B2
公开(公告)日：2024-11-19
申请号：US17922533
申请日：2021-06-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Meina Yu , Zheng Fang , Hyunsic Choi , Pengxia Liang , Xiaochuan Chen , Hui Zhang , Liwei Liu , Changfeng Li , Fuqiang Li , Yuyao Wang , Ge Shi , Jiahui Han , Song Yang , Yujie Liu , Shiyu Zhang , Yanliu Sun
IPC: G02F1/1362 , H01L27/12
Abstract: The present disclosure provides an array substrate, a liquid crystal display panel and a liquid crystal display device, including: a base substrate; gate lines each extending in a first direction on the base substrate; data lines each extending in a second direction intersecting the first direction; pixel units located in regions defined by the gate lines and the data lines; each pixel unit has a first side and a second side each extending in the second direction and opposite to each other in the first direction; each pixel unit includes a first electrode including a plurality of strip-shaped electrodes, at least part of the strip-shaped electrodes each have a first part and a second part extending in different directions, first parts are connected at the first side, second parts are disconnected at the second side, and lengths of the first part and the second part are different.
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公开(公告)号：US11776296B2
公开(公告)日：2023-10-03
申请号：US17506522
申请日：2021-10-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bo Wang , Fuqiang Li
CPC classification number: G06V40/1306 , H01L25/18 , H10K59/65
Abstract: Disclosed is an ultrasonic fingerprint recognition circuit. In the ultrasonic fingerprint recognition circuit, an ultrasonic sensor generates an AC echo signal based on an echo signal upon the fingerprint detection, and a signal converting unit converts the AC echo signal to a DC signal and transmit the DC signal to the signal output unit to generate a fingerprint recognition signal by a signal output unit.
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Patent Agency Ranking
公开(公告)号：US11735605B2
公开(公告)日：2023-08-22
申请号：US17042847
申请日：2019-11-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bo Wang , Hao Zhang , Fuqiang Li
CPC classification number: H01L27/127 , H01L27/1251 , H01L27/1255
Abstract: A display substrate has a main display area and at least one auxiliary display area located beside the main display area. The display substrate includes a plurality of first sub-pixels located in the main display area, and a plurality of second sub-pixels located in each of the at least one auxiliary display area. A distribution density of the plurality of first sub-pixels in the main display area is greater than a distribution density of the plurality of second sub-pixels in each auxiliary display area. Each of the plurality of second sub-pixels includes a pixel driving circuit, and the pixel driving circuit includes at least one vertical thin film transistor. A space exists between every two adjacent pixel driving circuits, and a plurality of spaces constitute a light-transmitting region of the corresponding auxiliary display area.
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87.发明公开公开(公告)号：US20230154386A1
公开(公告)日：2023-05-18
申请号：US17631599
申请日：2021-03-04
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ming Yang , Qi Qi , Wanzhi Chen , Lubin Shi , Fuqiang Li , Fei Wang
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0408 , G09G2310/0202 , G09G2310/0264
Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one, wherein a respective one of the plurality of light emitting controlling units includes a plurality of light emitting elements arranged in J rows and I columns, J being an integer equal to or greater than one, I being an integer equal to or greater than one, a i-th column of the I columns of light emitting elements includes J rows of light emitting elements, 1≤i≤I; (M×J) number of first voltage signal lines; and (M×J) number of groups of second voltage signal lines.
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公开(公告)号：US11538786B2
公开(公告)日：2022-12-27
申请号：US16649801
申请日：2019-03-19
Inventor： Xinglong Luan , Jing Feng , Fuqiang Li , Zhichong Wang , Peng Liu , Wusheng Li , Chunjing Liu
Abstract: A transfer printing method and a transfer printing apparatus. The transfer method includes: transferring a plurality of devices formed on an original substrate to a transfer substrate; obtaining first position information of positions of the plurality of devices on the transfer substrate; obtaining second position information of corresponding positions, on a target substrate, of devices to be transferred; comparing the first position information with the second position information to obtain first target position information recording a first transfer position; and aligning the transfer substrate with the target substrate and performing a site-designated laser irradiation on at least part of devices on the transfer substrate corresponding to the first transfer position, simultaneously, according to the first target position information, so as to transfer the at least part of the devices from the transfer substrate to the target substrate.
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公开(公告)号：US11495178B2
公开(公告)日：2022-11-08
申请号：US17243915
申请日：2021-04-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhichong Wang , Fuqiang Li , Peng Liu , Xinglong Luan , Jing Feng
IPC: G09G3/3258 , G09G3/3291 , H01L27/32
Abstract: A pixel circuit includes a data writing sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The data writing sub-circuit is connected to the driving sub-circuit, and is configured to write a data voltage signal into the driving sub-circuit and compensate it, in response to a first gate signal and a second gate signal. The light-emitting control sub-circuit is connected to the driving sub-circuit, and is configured to close a line between a first power supply voltage terminal and a second power supply voltage terminal, in response to a first enable signal and a second enable signal. The driving sub-circuit is configured to provide a driving current to a light-emitting device through the closed line according to the written data voltage signal. Phases of the first enable signal and the first gate signal are opposite, and phases of the second enable signal and the second gate signal are opposite.
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公开(公告)号：US11361703B2
公开(公告)日：2022-06-14
申请号：US16650306
申请日：2019-03-28
Inventor： Peng Liu , Bailing Liu , Fuqiang Li , Zhichong Wang , Jing Feng , Xinglong Luan
IPC: G09G5/00 , G09G3/20 , G11C19/28 , G09G3/3266 , G09G3/36
Abstract: A gate driving unit, a gate driving method, a gate driving circuit, a display panel and a display device are provided. The gate driving unit includes a start terminal, a first gate driving signal output terminal, a second gate driving signal output terminal, a pull-up control node control circuit, a pull-up node control circuit, configured to control a potential of a first pull-up node and a potential of a second pull-up node based on the potential of the pull-up control node, a first gate driving signal output circuit, a second gate driving signal output circuit, and a pull-down node control circuit, configured to control and maintain the potential of the pull-down node under the control of a third clock signal and a fourth clock signal, and control to reset the potential of the pull-down node under the control of the potential of the pull-up control node.
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