公开(公告)号：US20190129244A1

公开(公告)日：2019-05-02

申请号：US16090814

申请日：2018-02-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Lei Wang ,  Dongni Liu ,  Han Yue ,  Jie Fu ,  Li Xiao ,  Jian Gao ,  Changfeng Li

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1362 ,  G02F1/13357

Abstract: A display device and a display method are provided. The display device includes: a light source; a light guide plate; and a liquid crystal display panel including a first substrate and a second substrate aligned with and assembled to the first substrate and a liquid crystal layer between the first substrate and the second substrate. A light transmitting pattern is provided in the light guide plate, and an incident light from the light source is configured to transmit through the light transmitting pattern of the light guide plate to form monochromatic lights of at least three colors. The light source is time-divisionally lit, so that the monochromatic lights of at least three colors are time-divisionally irradiated onto a same sub-pixel electrode on the first substrate in each frame time to form reflected lights, and then the reflected lights are modulated by the liquid crystal layer to be displayed.

公开(公告)号：US10115927B2

公开(公告)日：2018-10-30

申请号：US15715323

申请日：2017-09-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jie Fu ,  Xiaochuan Chen ,  Shengji Yang ,  Dongni Liu ,  Lei Wang ,  Li Xiao ,  Pengcheng Lu ,  Han Yue

IPC: H01L29/20 ,  H01L33/00 ,  H01L51/52 ,  H01L27/32 ,  H05B33/08

Abstract: A display substrate, a display panel and a display device are provided. The display substrate includes: a base substrate including a plurality of display units, wherein each of the plurality of display units is provided with an anode, an organic light-emitting layer and a cathode, wherein anodes of different display units are separated from each other; a plurality of cathode lines connected to the driving ICs, wherein the cathode lines are arranged between the cathode and the base substrate; an insulating layer arranged between the cathode lines and the cathodes, wherein a plurality of cathode windows corresponding to the cathode lines formed in the insulating layer, wherein at least part of the plurality of cathode windows respectively corresponds to at least two display regions, a cathode at each of the display region is connected to the respective cathode line via the cathode window corresponding to the display region.

公开(公告)号：US12254841B2

公开(公告)日：2025-03-18

申请号：US18274470

申请日：2021-12-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haoliang Zheng ,  Yan Qu ,  Dongni Liu ,  Li Xiao ,  Jiao Zhao ,  Xiaorong Cui ,  Seungwoo Han ,  Minghua Xuan

IPC: G09G3/3275 ,  G09G3/3266

Abstract: A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M≥1, N≥1, and 1≤i≤N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.

公开(公告)号：US12176377B2

公开(公告)日：2024-12-24

申请号：US17772951

申请日：2021-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Haoliang Zheng ,  Hao Chen ,  Minghua Xuan ,  Dongni Liu ,  Jiao Zhao ,  Qi Qi ,  Li Xiao

IPC: H01L27/15 ,  H01L25/18

Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.

公开(公告)号：US12170066B2

公开(公告)日：2024-12-17

申请号：US18338577

申请日：2023-06-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenyu Zhang ,  Li Xiao ,  Dongni Liu ,  Liang Chen ,  Hao Chen ,  Haoliang Zheng ,  Minghua Xuan ,  Jiao Zhao

IPC: G09G3/3258 ,  G06F3/042 ,  H04N25/00 ,  H04N25/40 ,  H04N25/47

Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.

公开(公告)号：US12033571B2

公开(公告)日：2024-07-09

申请号：US18307416

申请日：2023-04-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao Zhao ,  Li Xiao ,  Minghua Xuan ,  Haoliang Zheng ,  Dongni Liu ,  Jing Liu ,  Qi Qi ,  Zhenyu Zhang ,  Liang Chen ,  Hao Chen ,  Lijun Yuan

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate includes M pixel lines and N pixel circuit groups. The M pixel lines are disposed in a display area and arranged in a first direction. The N pixel circuit groups are arranged in the first direction. M is an integer greater than or equal to 2, and N is a positive integer less than M. A pixel circuit group of the N pixel circuit groups is electrically connected to adjacent two pixel lines of the M pixel lines, and the first direction is one of a row direction and a column direction.

公开(公告)号：US11996034B2

公开(公告)日：2024-05-28

申请号：US17634544

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Xiao ,  Haoliang Zheng ,  Minghua Xuan ,  Hao Chen ,  Dongni Liu ,  Jiao Zhao ,  Seungwoo Han ,  Liang Chen ,  Qi Qi

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0247

Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.

公开(公告)号：US11994810B2

公开(公告)日：2024-05-28

申请号：US16966874

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Jiao Zhao ,  Dongni Liu ,  Minghua Xuan ,  Haoliang Zheng ,  Liang Chen ,  Hao Chen ,  Zhenyu Zhang ,  Jing Liu ,  Qi Qi

IPC: G03F9/00 ,  G03F1/42

CPC classification number: G03F9/7084 ,  G03F1/42 ,  G03F9/7076

Abstract: An alignment mark includes a first alignment marker located on a first surface of a substrate and a second alignment marker located on a second surface of the substrate. The second alignment marker is arranged to be matched with the first alignment marker, and capable of representing a process variation between the second alignment marker and the first alignment marker.

公开(公告)号：US11893939B2

公开(公告)日：2024-02-06

申请号：US17052152

申请日：2019-09-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Xiaochuan Chen ,  Dongni Liu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/2007 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2330/021

Abstract: A pixel driving circuit includes a driving signal control sub-circuit and a driving duration control sub-circuit. The driving signal control sub-circuit is configured to provide a driving signal to the driving duration control sub-circuit under control of a first scanning signal terminal and a enable signal terminal. The driving signal is related to a first data signal received at a first data signal terminal and a first voltage signal received at a first voltage signal terminal. The driving duration control sub-circuit is configured to transmit the driving signal to the element to be driven under control of a second scanning signal terminal and a enable signal terminal. A duration for which the driving signal is transmitted to the element to be driven is related to a second data signal received at a second data signal terminal.

公开(公告)号：US11875734B2

公开(公告)日：2024-01-16

申请号：US17636897

申请日：2021-04-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li Xiao ,  Haoliang Zheng ,  Minghua Xuan ,  Seungwoo Han ,  Hao Chen ,  Dongni Liu ,  Jiao Zhao ,  Liang Chen ,  Qi Qi

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3208

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/043 ,  G09G2320/045

Abstract: Disclosed are a pixel circuit and a drive method for the same, and a display panel and a drive method for the same. The pixel circuit is configured to drive a light-emitting element to emit light, including: a current control sub-circuit and a time-length control sub-circuit. The current control sub-circuit is electrically connected to a current data terminal, a scanning signal terminal, a reset signal terminal, an initial signal terminal, a light-emitting signal terminal, a first power terminal, a first node, and a second node, respectively. The time-length control sub-circuit is electrically connected to a first control terminal, a second control terminal, a time-length data terminal, a ground terminal, a light-emitting signal terminal, a high-frequency input terminal, and the first node, respectively.