公开(公告)号：US11730029B2

公开(公告)日：2023-08-15

申请号：US17184017

申请日：2021-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Can Zhang ,  Can Wang ,  Han Yue ,  Ning Cong ,  Jiayao Liu

IPC: H10K59/131 ,  G09G3/3208 ,  H10K50/86 ,  G09G3/3233 ,  H10B63/00 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3208 ,  G09G3/3233 ,  H10B63/84 ,  H10K50/86 ,  G09G2310/0281 ,  H10K2102/3026

Abstract: The embodiments of the present application provide a display substrate, a light field display apparatus, and a method for driving the same. The display substrate includes: a base substrate; a light emitting block on the base substrate, wherein the light emitting block includes a plurality of first light emitting units, and each of the first light emitting units includes a plurality of first light emitting points which are located at a plurality of predetermined positions in the first light emitting unit respectively; and first driving leads each electrically connected to first light emitting points located at the same predetermined positions in the respective first light emitting units and configured to receive a first driving signal from a driving circuit.

公开(公告)号：US11710443B2

公开(公告)日：2023-07-25

申请号：US17551368

申请日：2021-12-15

Applicant: Chongqing BOE Optoelectronics Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiyong Ning ,  Zhonghao Huang ,  Xu Wu ,  Kunkun Gao ,  Chao Zhang ,  Can Wang ,  Maokun Tian

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/2092 ,  G11C19/28 ,  G09G2300/0842 ,  G09G2310/0286

Abstract: A shift register, a gate drive circuit, and a display panel are provided. The shift register includes an input sub-circuit configured to pre-charge a pull-up node using an input signal; an output sub-circuit configured to output a clock signal through an signal output terminal; a pull-down control sub-circuit configured to control a potential of a pull-down node using a power supply voltage signal; a first pull-down sub-circuit configured to pull down a potential of the pull-down node using a first preset voltage signal; and a first control sub-circuit configured to control the potential of the pull-up node using a second preset voltage signal in response to the potential of the pull-down node; a potential of the first preset voltage signal is lower than a potential of a non-operating level signal of the first pull-down sub-circuit, but higher than a potential of the second preset voltage signal.

公开(公告)号：US11694597B2

公开(公告)日：2023-07-04

申请号：US17530853

申请日：2021-11-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lijun Yuan ,  Can Zhang ,  Ning Cong ,  Wei Li ,  Can Wang ,  Jinfei Niu ,  Jingjing Zhang ,  Minghua Xuan

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2300/0426 ,  G09G2310/0278 ,  G09G2310/061

Abstract: The pixel driving circuit includes a current control sub-circuit configured to output a gray scale current signal to an element to be driven, and a gating sub-circuit. The gating sub-circuit is coupled to a scan signal terminal, a reset signal terminal, a gating data signal terminal and a pulse voltage signal terminal; the gating sub-circuit is configured to drive the element to be driven to continuously emit light under the control of a scan signal from the scan signal terminal and a gating data signal from the gating data signal terminal, and to drive the element to be driven to intermittently emit light under the control of a reset signal from the reset signal terminal, the gating data signal from the gating data signal terminal, and a pulse voltage signal from the pulse voltage signal terminal.

公开(公告)号：US11615738B2

公开(公告)日：2023-03-28

申请号：US17615523

申请日：2020-10-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Can Wang

IPC: G09G3/32

Abstract: A pixel driving circuit includes a driving control sub-circuit having a first driving sub-circuit and a time control sub-circuit having a second driving sub-circuit. The driving control sub-circuit is configured to: be connected to an element to be driven, write a first data signal into the first driving sub-circuit, enable the first driving sub-circuit to output a driving signal to drive the element to operate. The time control sub-circuit is configured to: write a second voltage signal and a second data signal into the second driving sub-circuit, write a fourth voltage signal into the second driving sub-circuit, connect the second driving sub-circuit to a third voltage signal terminal and the first driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to the first driving sub-circuit to enable the first driving sub-circuit to stop outputting the driving signal to control operating duration of the element.

公开(公告)号：US11538875B2

公开(公告)日：2022-12-27

申请号：US16339614

申请日：2018-11-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Wang ,  Can Zhang

IPC: H01L27/32 ,  H01L51/56

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a pixel defining layer, and a first electrode layer between the base substrate and the pixel defining layer. The pixel defining layer defines a plurality of sub-pixels on the base substrate, the first electrode layer comprises a plurality of first electrodes, and the plurality of first electrodes being separated from each other by gaps, and an orthographic projection of the pixel defining layer on the base substrate covers an orthographic projection of the gap on the base substrate.

公开(公告)号：US11538405B2

公开(公告)日：2022-12-27

申请号：US17531274

申请日：2021-11-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lijun Yuan ,  Can Zhang ,  Ning Cong ,  Wei Li ,  Can Wang ,  Jinfei Niu ,  Jingjing Zhang ,  Minghua Xuan

IPC: G09G3/32

Abstract: The pixel driving circuit includes a current control circuit and a gating circuit. The current control circuit is configured to transmit a driving current signal to an element to be driven. The gating circuit is configured to transmit a second voltage signal from a second voltage signal terminal to the element to be driven such that the element to be driven continuously emits light or transmit a third voltage signal from a third voltage signal terminal to the element to be driven such that the element to be driven intermittently emits light, under the control of a scan signal from a scan signal terminal, a reset signal from a reset signal terminal and a second data signal from a second data signal terminal.

公开(公告)号：US11374032B2

公开(公告)日：2022-06-28

申请号：US16642584

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Can Zhang ,  Can Wang ,  Han Yue ,  Ning Cong ,  Jiayao Liu ,  Wenqing Zhao ,  Li Xiao ,  Dongni Liu ,  Lei Wang ,  Liang Chen ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12 ,  G02B30/26 ,  G02F1/1335 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: There is provided an array substrate including a plurality of pixel regions arranged in rows and columns. The plurality of pixel regions include a corresponding pixel electrode array and a corresponding pixel circuit associated with the corresponding pixel electrode array. Each of the pixel electrode arrays is arranged in rows and columns, and each pixel electrode array includes a plurality of pixel electrodes arranged in an array. The array substrate further includes a plurality of sets of gate lines extending in a row direction and a plurality of sets of data lines extending in a column direction. The plurality of sets of gate lines and rows of the pixel electrode arrays are alternately arranged with each other in the column direction. The plurality of sets of data lines and columns of the pixel regions are alternately arranged with each other in the row direction.

公开(公告)号：US11373583B2

公开(公告)日：2022-06-28

申请号：US16955171

申请日：2019-07-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ming Yang ,  Ning Cong ,  Minghua Xuan ,  Can Zhang ,  Xiaochuan Chen ,  Can Wang ,  Han Yue ,  Jiao Zhao ,  Angran Zhang

IPC: G09G3/32

Abstract: Embodiments of the present disclosure disclose a drive circuit, a driving method thereof and a display device. The drive circuit includes: a current control circuit, configured to provide a drive signal to a device to be driven according to a signal of a data signal terminal; a first transistor, electrically connected between the current control circuit and the device to be driven; and a duration control circuit, electrically connected with a gate of the first transistor, and configured to provide a light-emitting duration modulating signal to the gate of the first transistor according to a combined action of signals of a scanning signal terminal, a light-emitting control signal terminal, a duration control signal terminal and a reference voltage signal terminal, to control a conduction duration of the first transistor.

公开(公告)号：US11355572B2

公开(公告)日：2022-06-07

申请号：US16176708

申请日：2018-10-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zhang ,  Can Wang ,  Han Yue ,  Ming Yang ,  Ning Cong

IPC: H01L27/32 ,  G09G3/3225 ,  G06F3/044 ,  H01L51/52 ,  H01L51/56 ,  G06F3/041 ,  H01L51/00

Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, a display panel and a manufacturing method and a driving method thereof, and a display apparatus. The display substrate includes: a base substrate; and a first electrode, a signal line, and an organic layer between the first electrode and the signal line, all of which are on the base substrate, wherein the display substrate further comprises a conductive pillar configured to penetrate the organic layer and electrically connect the first electrode to the signal line.

公开(公告)号：US11308860B2

公开(公告)日：2022-04-19

申请号：US16605932

申请日：2019-05-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ning Cong ,  Minghua Xuan ,  Han Yue ,  Ming Yang ,  Xiaochuan Chen ,  Detao Zhao ,  Liang Chen ,  Can Zhang ,  Can Wang

IPC: G09G3/32

Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.