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公开(公告)号：US11289022B2
公开(公告)日：2022-03-29
申请号：US16476688
申请日：2018-07-24
Inventor： Shuai Chen , Zhi Zhang , Xiuzhu Tang , Shuang Hu , Yanan Zhao , Chuan Li
IPC: G09G3/3258 , G09G3/3291 , G09G3/3266
Abstract: The present application discloses a pixel driving circuit. The circuit includes an input sub-circuit configured to set a voltage level at a first node; a storage sub-circuit coupled between the first node and a second node; and a drive sub-circuit coupled to the first node and the second node and configured to drive light emission of a light-emitting device. Additionally, the circuit includes a charge sub-circuit coupled to the drive sub-circuit, and configured to charge the drive sub-circuit to latch a voltage level at the second node to be larger than a first threshold but smaller than a second threshold. Furthermore, the circuit includes an adjust sub-circuit coupled to a second node and coupled to the input sub-circuit at least via the first node, and configured to at least adjust voltage level at the second node to make the light-emitting device with an inverted polarity in one partial period.
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公开(公告)号：US20210373732A1
公开(公告)日：2021-12-02
申请号：US16344333
申请日：2018-10-31
Inventor： Zhenguo Tian , Shuang Hu , Shuai Chen , Xuebo Liang , Hong Chen , Xiuzhu Tang , Chuan Li , Yanan Zhao
IPC: G06F3/041
Abstract: The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity. The trigger signal drives the voltage-supply sub-circuit in a normal output period to supply the standard common-electrode voltage via the respective one signal line to one corresponding common-electrode block.
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Patent Agency Ranking
公开(公告)号：US20210358413A1
公开(公告)日：2021-11-18
申请号：US16476688
申请日：2018-07-24
Inventor： Shuai Chen , Zhi Zhang , Xiuzhu Tang , Shuang Hu , Yanan Zhao , Chuan Li
IPC: G09G3/3258 , G09G3/3291 , G09G3/3266
Abstract: The present application discloses a pixel driving circuit. The circuit includes an input sub-circuit configured to set a voltage level at a first node; a storage sub-circuit coupled between the first node and a second node; and a drive sub-circuit coupled to the first node and the second node and configured to drive light emission of a light-emitting device. Additionally, the circuit includes a charge sub-circuit coupled to the drive sub-circuit, and configured to charge the drive sub-circuit to latch a voltage level at the second node to be larger than a first threshold but smaller than a second threshold. Furthermore, the circuit includes an adjust sub-circuit coupled to a second node and coupled to the input sub-circuit at least via the first node, and configured to at least adjust voltage level at the second node to make the light-emitting device with an inverted polarity in one partial period.
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公开(公告)号：US11575113B2
公开(公告)日：2023-02-07
申请号：US17135501
申请日：2020-12-28
Inventor： Xiaoping Wu , Chuan Li , Bo Wang
IPC: H01L51/56 , H01L27/32 , G02F1/1333 , G02F1/1345 , B23K26/364 , B23K26/0622 , B23K26/38 , H01L51/00 , B23K101/36
Abstract: A display panel includes a base, a plurality of conductive connectors disposed on the base, a plurality of leads arranged on the base along an edge of the display panel, and at least one groove located between the conductive connectors and the edge. One end of each lead is connected to a corresponding conductive connector, and another end thereof extends to the edge of the display panel. At least one lead is divided into at least two parts by the at least one groove, and a depth of the groove is greater than or equal to a thickness of the lead.
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公开(公告)号：US12210740B2
公开(公告)日：2025-01-28
申请号：US17921638
申请日：2021-10-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhongru Li , Chuan Li , Haiyan Chai , Yuzhu Liu , Xiaoyu Yin
IPC: G06F3/04883
Abstract: A method for handwriting input display, a device thereof and a computer-readable storage medium. The method for handwriting input display includes: receiving and displaying a first input of a user, wherein the first input is one or more first contents input in a handwriting way; receiving and displaying a second input of the user, wherein the second input is a mark line for highlighting the one or more first contents, and the mark line contains an overlapping area with the one or more first contents; and adjusting a line width of the mark line according to a height of a first content of the overlapping area.
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公开(公告)号：US11529702B2
公开(公告)日：2022-12-20
申请号：US16638609
申请日：2018-10-31
Inventor： Xiaoping Wu , Chuan Li , Bo Wang
IPC: B23K26/38 , B23K26/0622 , H05K3/00 , B23K101/42
Abstract: A cutting method for a display panel, wherein the cutting method includes: cutting a display motherboard to be cut into a plurality of separate display panels by using a first laser beam, wherein the display panels each include a plurality of leads disposed between conductive connectors and a cutting edge of the display panel formed after cutting by the first laser beam; and severing at least some leads of the display panel by using a second laser beam at a position on the display panel between the conductive connectors and the cutting edge of the display panel, the at least some leads being short-circuited leads.
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公开(公告)号：US11249586B2
公开(公告)日：2022-02-15
申请号：US16344333
申请日：2018-10-31
Inventor： Zhenguo Tian , Shuang Hu , Shuai Chen , Xuebo Liang , Hong Chen , Xiuzhu Tang , Chuan Li , Yanan Zhao
IPC: G06F3/041
Abstract: The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity. The trigger signal drives the voltage-supply sub-circuit in a normal output period to supply the standard common-electrode voltage via the respective one signal line to one corresponding common-electrode block.
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