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公开(公告)号：US20230087495A1
公开(公告)日：2023-03-23
申请号：US16966592
申请日：2019-07-25
Inventor： Hongfei CHENG , Pan LI
IPC: G02F1/1362 , G02F1/1343 , G02F1/1333
Abstract: An array substrate includes at least one driving electrode region and at least one sensing electrode region which are alternately arranged along a row direction and are disconnected from each other, each driving electrode region and each sensing electrode region include one first common electrode and one second common electrode respectively, at least one driving electrode line continuously passes through the driving electrode region and the sensing electrode region alternately arranged along the row direction. The first common electrode in the driving electrode region is connected to the driving electrode line through at least one first through hole, the second common electrode in the sensing electrode region is disconnected from the driving electrode line.
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公开(公告)号：US20220310010A1
公开(公告)日：2022-09-29
申请号：US17293086
申请日：2020-09-14
Inventor： Hongfei CHENG , Xueguang HAO , Hui LI , Chen XU , Pan LI
IPC: G09G3/3233 , G09G3/3266 , H01L27/32
Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, a first power line and an electrical connection layer on the base substrate. Each sub-pixel includes a pixel circuit, and a plurality of sub-pixels are arranged in a plurality of rows and a plurality of columns along a first direction and a second direction. The sub-pixel is electrically connected with the light-emitting element through the electrical connection layer, and the portion, which is in the display region of the display substrate, of the electrical connection layer is not overlapped with the first power line in a direction perpendicular to the base substrate.
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3.发明申请公开(公告)号：US20220283470A1
公开(公告)日：2022-09-08
申请号：US16326750
申请日：2018-08-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongfei CHENG
IPC: G02F1/1362 , G02F1/1368
Abstract: An array substrate includes a base substrate; a data line located on the base substrate; a conductive shield layer located on a side of the data line facing away from the base substrate; a pixel electrode located on a side of the data line facing away from the base substrate; and a black matrix located on a side of the conductive shield layer facing away from the data line. The conductive shield layer is not in contact with the pixel electrode and the data line. Each of the conductive shield layer and the black matrix at least partially overlaps the data line in a direction perpendicular to the base substrate.
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公开(公告)号：US20220230572A1
公开(公告)日：2022-07-21
申请号：US17556697
申请日：2021-12-20
Inventor： Xueguang HAO , Hongfei CHENG , Yongda MA
Abstract: A display panel and a display device are provided, the display panel includes a gate driving circuit, a first pixel module, and a second pixel module, the first pixel module includes a first pixel circuit, and the second pixel module includes a second pixel circuit; the gate driving circuit respectively provides corresponding gate driving signals for the first pixel circuit and the second pixel circuit; in the first display region, the number of columns of the pixel circuit included by the first pixel module is greater than the maximum number of columns of the pixel circuit included by the second pixel module in the second display region; the display panel further includes a loading structure arranged in a non-display region; the load structure is electrically connected to the gate wiring; the gate wiring is wiring between the gate driving circuit and the second pixel circuit for providing the corresponding gate driving signals to the second pixel circuit.
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公开(公告)号：US20220223118A1
公开(公告)日：2022-07-14
申请号：US17556767
申请日：2021-12-20
Inventor： Xueguang HAO , Yongda MA , Hongfei CHENG
IPC: G09G3/36
Abstract: The present disclosure relates to the field of display technologies, and provides a gamma circuit. The gamma circuit includes: a plurality of positive gamma voltage output terminals, a plurality of negative gamma voltage output terminals in one-to-one correspondence with the plurality of positive gamma voltage output terminals, and a plurality of voltage conversion circuits. Each of the voltage conversion circuits is configured to output a negative gamma reference voltage to the negative gamma voltage output terminal based on a positive gamma reference voltage output by the positive gamma voltage output terminal corresponding to the negative gamma voltage output terminal.
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Patent Agency Ranking
公开(公告)号：US20220115540A1
公开(公告)日：2022-04-14
申请号：US17417514
申请日：2020-11-05
Inventor： Hongfei CHENG
IPC: H01L29/786 , H01L29/66 , H01L29/417
Abstract: The present disclosure provides a thin film transistor and a fabrication method thereof, an array substrate and a fabrication method thereof, and a display panel. The method for fabricating a thin film transistor includes: forming an active layer including a first region, a second region and a third region on a substrate; forming a gate insulating layer on a side of the active layer away from the substrate; forming a gate electrode on a side of the gate insulating layer away from the active layer; and ion-implanting the active layer from a side of the gate electrode away from the active layer, so that the first region is formed into a heavily doped region, the second region is formed into a lightly doped region, and the third region is formed into an active region.
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公开(公告)号：US20210210658A1
公开(公告)日：2021-07-08
申请号：US15779278
申请日：2017-09-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongfei CHENG , Yuxin ZHANG
IPC: H01L33/38 , H01L33/40 , G09G3/32 , H01L33/62 , H01L25/075
Abstract: The present disclosure provides a display substrate which includes: a plurality of pixel units, at least one of which includes a light emitting diode and a drive circuit. The light emitting diode includes a cathode; the display substrate further includes an auxiliary electrode layer including at least one auxiliary electrode. The auxiliary electrode is disposed in at least one of the pixel units. The auxiliary electrode is electrically connected with the cathode of the light emitting diode which is located in the same pixel unit as the pixel unit that the auxiliary electrode is located in, and the auxiliary electrode covers at least a portion of the drive circuit in the pixel unit that the auxiliary electrode is located in. The auxiliary electrode is made of an opaque conductive material, so as to block light irradiated at the portion of the drive circuit that is covered by the auxiliary electrode.
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8.发明申请公开(公告)号：US20210193007A1
公开(公告)日：2021-06-24
申请号：US16985925
申请日：2020-08-05
Inventor： Hongfei CHENG , Xing YAO
Abstract: A shift register circuit and a driving method thereof, a gate driving circuit and a display panel are provided. The shift register circuit includes: an input terminal; a first reference voltage terminal; a second reference voltage terminal; a first clock signal terminal; a second clock signal terminal; an output terminal; an input circuit, a first control circuit; a second control circuit; a third control circuit; a compensation circuit, a first node, a second node, a third node and an output circuit, the compensation circuit is configured to compensate a voltage of at least one of the first node, the second node, and the third node in response to the second clock signal.
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公开(公告)号：US20200043996A1
公开(公告)日：2020-02-06
申请号：US16337032
申请日：2018-06-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongfei CHENG
IPC: H01L27/32
Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; and a pixel defining layer having a hollow portion and located above the base substrate. The hollow portion is enclosed by sidewalls of the pixel defining layer, and exposes a portion of a conductive surface at a bottom of the hollow portion. In a cross-sectional view of the display substrate along a direction perpendicular to the based substrate, the sidewalls are respectively indicated by two side edges located on two opposite sides of the hollow portion, each of the side edges at least includes a first straight line segment in direct contact with the conductive surface, and a first included angle between the first straight line segment and the conductive surface is greater than 20° and less than 35°.
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公开(公告)号：US20190280246A1
公开(公告)日：2019-09-12
申请号：US16338165
申请日：2018-06-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongfei CHENG
Abstract: A display substrate, a manufacturing method thereof and a display device. The display substrate includes a base, at least one protrusion arranged on the base and a packaging layer, the a base includes a display region and a non-display region positioned around the display region, at least one protrusion is arranged on the base in the non-display region, the protrusion is positioned between the base and the packaging layer and the packaging layer covers at least a portion of the protrusion.
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