公开(公告)号：US20200233124A1

公开(公告)日：2020-07-23

申请号：US16527751

申请日：2019-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kai GUO ,  Xiaolong LI ,  Xueling GAO ,  Kuanjun PENG ,  Shengnan LI ,  Weixing LIU

IPC: G02B5/128 ,  G02B1/00

Abstract: The present disclosure provides a structured light generator. The structured light generator includes a transparent substrate, a plurality of transflective structure layers disposed on one side of the transparent substrate and mutually laminated and parallel, wherein distances between any two adjacent transflective structure layers are equal and 0.1λ to 10λ, λ being a wavelength of incident light, and a transparent filling layer disposed between any two adjacent transflective structure layers.

公开(公告)号：US20240412682A1

公开(公告)日：2024-12-12

申请号：US18273989

申请日：2022-07-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing LIU ,  Kuanjun PENG ,  Bin QIN ,  Kai GUO ,  Tieshi WANG ,  Fangzhen ZHANG

IPC: G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/62

Abstract: A display substrate (910), comprising a plurality of pixel units (P11, P12, P21, P22) and at least one compensation circuit. At least one pixel unit (P11, P12, P21, P22) comprises: a main light-emitting unit and an auxiliary light-emitting unit; and the at least one compensation circuit is connected to the auxiliary light-emitting unit of the at least one pixel unit (P11, P12, P21, P22). The at least one compensation circuit is configured to measure the brightness or temperature of the at least one pixel unit (P11, P12, P21, P22) and control the auxiliary light-emitting unit of the at least one pixel unit (P11, P12, P21, P22) to emit light according to a measurement result.

公开(公告)号：US20230274696A1

公开(公告)日：2023-08-31

申请号：US18014254

申请日：2021-11-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing LIU ,  Kuanjun PENG ,  Bin QIN ,  Xue DONG ,  Fangzhen ZHANG ,  Wanpeng TENG ,  Tieshi WANG ,  Wanzhi CHEN ,  Kai GUO ,  Chunfang ZHANG

IPC: G09G3/3233 ,  H01L27/15 ,  H01L33/06 ,  H01L33/38

CPC classification number: G09G3/3233 ,  H01L27/156 ,  H01L33/06 ,  H01L33/38 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2300/0426 ,  G09G2320/0233

Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.

公开(公告)号：US20210110759A1

公开(公告)日：2021-04-15

申请号：US16970818

申请日：2019-10-12

Applicant: BOE Technology Group Co,, Ltd.

Inventor： Wei QIN ,  Weixing LIU ,  Tieshi WANG ,  Kai GUO ,  Xiaolong LI ,  Kuanjun PENG ,  Zhiqiang XU ,  Wanpeng TENG

IPC: G09G3/32 ,  G09G3/20

Abstract: An embodiment of the present disclosure provides a driving circuit, a driving method thereof, a display panel and a display device. The driving circuit includes a first transistor electrically connected between a signal input terminal and a light emitting device to be driven, a duration control circuit configured to provide a signal of a duration data signal terminal to a gate of the first transistor in response to a signal of a duration scanning signal terminal, and a latch circuit electrically connected with the gate of the first transistor and configured to latch the signal of the gate of the first transistor.

公开(公告)号：US20240428747A1

公开(公告)日：2024-12-26

申请号：US18294153

申请日：2023-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Meirong LU ,  Weixing LIU ,  Chunfang ZHANG ,  Wanpeng TENG ,  Kai GUO ,  Zhiqiang XU ,  Jintao PENG

IPC: G09G3/34

Abstract: Embodiments of the present disclosure provide a display device and a driving method. The display device includes a display panel that includes a plurality of pixels, each of the plurality of pixels includes a pixel electrode, wherein the pixel electrode includes a plurality of pixel sub-electrodes spaced from each other; and a drive circuit configured to load a first drive voltage with different maintaining durations to at least part of a plurality of pixel sub-electrodes in a set pixel through a signal output terminal in a picture display stage, so that the set pixel is switched from a first state to a second state; wherein the set pixel is at least one of the plurality of pixels.