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.

公开(公告)号：US20240257772A1

公开(公告)日：2024-08-01

申请号：US18290924

申请日：2022-09-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen GUO ,  Haoliang ZHENG ,  Minghua XUAN ,  Hebin ZHAO ,  Meirong LU ,  Chenyang ZHANG ,  Li XIAO ,  Xiaorong CUI ,  Jiao ZHAO ,  Shulei LI ,  Weixing LIU ,  Jintao PENG ,  Chunfang ZHANG ,  Xinxing WANG ,  Zhiqiang XU ,  Wanpeng TENG ,  Kai GUO

IPC: G09G3/34 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16766 ,  G02F1/1677

CPC classification number: G09G3/344 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16766 ,  G02F1/1677

Abstract: A display panel, a method for driving a display panel, and a display apparatus are provided. The display panel includes a first base substrate and a plurality of pixels on one side of the first base substrate. Each pixel includes: a plurality of pixel sub-electrodes independent from each other and configured to form an electric field with an included angle greater than 0 with respect to a direction perpendicular to the first base substrate under control of incompletely same driving signals; a common electrode on a side of the pixel electrode away from the first base substrate; and an electrophoretic liquid layer between the pixel electrode and the common electrode, including a plurality of charged particles therein.

公开(公告)号：US20240088328A1

公开(公告)日：2024-03-14

申请号：US18263567

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Bin QIN ,  Kuanjun PENG ,  Weixing LIU ,  Fangzhen ZHANG ,  Xue DONG ,  Jintao PENG ,  Wanpeng TENG ,  Xiaolong LI ,  Shuang SUN ,  Wanzhi CHEN ,  Guangcai YUAN ,  Qian JIA

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/06 ,  H01L33/14 ,  H01L33/54 ,  H01L33/60 ,  H01L33/62 ,  H01L33/64

CPC classification number: H01L33/385 ,  H01L27/15 ,  H01L33/06 ,  H01L33/145 ,  H01L33/54 ,  H01L33/60 ,  H01L33/62 ,  H01L33/642

Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.

公开(公告)号：US20210265439A1

公开(公告)日：2021-08-26

申请号：US17255866

申请日：2020-04-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jintao PENG ,  Yanan NIU ,  Kuanjun PENG ,  Kai GUO ,  Bin QIN ,  Xiaolong LI ,  Wanpeng TENG

IPC: H01L27/32

Abstract: The present disclosure provides a pixel compensation circuit and a manufacturing method thereof, an OLED array substrate and a manufacturing method thereof, and a display device. The pixel compensation circuit includes a first TFT and a second TFT on a substrate. The first TFT includes: a first electrode on the substrate, a first interlayer dielectric layer on a side of the first electrode away from the substrate and having an opening exposing at least a portion of the first electrode; a second electrode on a side of the first interlayer dielectric layer away from the first electrode; and an active layer extending from the second electrode to the first electrode. The second TFT includes: an active layer on the substrate; and a first electrode and a second electrode in a same layer and on a side of the active layer of the second TFT away from the substrate.

公开(公告)号：US20180268772A1

公开(公告)日：2018-09-20

申请号：US15552781

申请日：2017-03-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wanpeng TENG

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3648 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0264 ,  G09G2310/08 ,  G09G2320/0223

Abstract: A pixel cell is disclosed including a pixel electrode and a pixel driving circuit. The pixel driving circuit includes a switch module and a compensation module. The compensation module is connected with a first signal line, a second signal line, a data line and the switch module. The switch module is connected with the second signal line, the compensation module and the pixel electrode. The compensation module is operable to store a compensation voltage under control of the first signal line and further to supply the compensation voltage and a data voltage supplied via the data line to the switch module under control of the second signal line. The switch module is operable to supply the compensation voltage and the data voltage to the pixel electrode under control of the second signal line.

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：US20210233966A1

公开(公告)日：2021-07-29

申请号：US16652753

申请日：2019-04-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiqiang XU ,  Tieshi WANG ,  Wei QIN ,  Wanpeng TENG ,  Chuanxiang XU

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate and a fabrication method thereof, and a display device. The display substrate includes a first pixel unit and a second pixel unit. The first pixel unit includes a first electrode and a first light-emitting layer that are stacked; the second pixel unit includes a second electrode and a second light-emitting layer that are stacked; an effective light-emitting area of the first light-emitting layer is unequal to an effective light-emitting area of the second light-emitting layer; and in a direction directly facing a display side of the display substrate, a light-reflecting area of the first electrode that is exposed in the first pixel unit is equal to a light-reflecting area of the second electrode that is exposed in the second pixel unit. The display substrate may suppress a color shift defect.

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：US20190266932A1

公开(公告)日：2019-08-29

申请号：US16410148

申请日：2019-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tieshi WANG ,  Saihua CHEN ,  Xuefei WANG ,  Wanpeng TENG ,  Heliang DI ,  Zhihong DU ,  Shanshan ZHOU

IPC: G09G3/00 ,  G06T3/40 ,  G06F3/14

Abstract: A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.

公开(公告)号：US20240372050A1

公开(公告)日：2024-11-07

申请号：US18774927

申请日：2024-07-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L33/58 ,  H01L25/075 ,  H01L33/00 ,  H01L33/50 ,  H01L33/62

Abstract: A display panel includes a driving backplane, an optical device layer, an adhesive layer and an optical conversion layer. The optical device layer includes optical devices each including a buffer layer and at least one light emitting unit. The buffer layer includes a first surface and a second surface. The first surface is farther away from the driving backplane than the second surface. The light-emitting unit is located on a side of the second surface away from the first surface. A buffer layer of at least one optical device further includes a side surface for connecting a first surface and a second surface. The side surface intersects with the first surface to form a first acute angle, and the side surface intersects with the second surface to form a first obtuse angle. A refractive index of the adhesive layer is less than a refractive index of the buffer layer.