公开(公告)号：US11837133B2

公开(公告)日：2023-12-05

申请号：US17609504

申请日：2021-01-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wei Qin ,  Kuanjun Peng ,  Tieshi Wang ,  Chunfang Zhang ,  Hui Zhang ,  Changfeng Li ,  Shunhang Zhang ,  Kai Hou ,  Hongrun Wang ,  Liwei Liu ,  Yunsik Im ,  Wanpeng Teng ,  Xiaolong Li ,  Kai Guo ,  Zhiqiang Xu

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/287 ,  G09G2300/0408 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08

Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

公开(公告)号：US11605347B2

公开(公告)日：2023-03-14

申请号：US17718599

申请日：2022-04-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Qin ,  Xiaolong Li ,  Kuanjun Peng ,  Chunfang Zhang ,  Zhiqiang Xu ,  Yanan Niu

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display panel includes a plurality of pixels and an electrostatic circuit. At least one pixel includes: a pixel electrode; a common electrode; a light-emitting element; and a driving sub-circuit coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal and a first terminal of a light-emitting element, and outputs a first voltage signal from the first voltage signal terminal to the light-emitting element controlled by a scanning signal, a data signal, and a light-emitting control signal. The electrostatic circuit couples a first signal line and a second signal line, the first signal line receives a second voltage signal, and the second signal line receives a third voltage signal and is arranged on a periphery of the plurality of pixels. Common electrodes of the pixels are coupled to each other and to the second signal line.

公开(公告)号：US11563197B2

公开(公告)日：2023-01-24

申请号：US16344009

申请日：2018-03-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Fangzhen Zhang ,  Wei Qin ,  Kuanjun Peng

IPC: H01L51/52 ,  H01L27/32 ,  H01L25/065

Abstract: The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.

公开(公告)号：US11501684B2

公开(公告)日：2022-11-15

申请号：US16944973

申请日：2020-07-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengnan Li ,  Wei Qin ,  Tieshi Wang ,  Xiaolong Li ,  Weixing Liu ,  Kuanjun Peng

IPC: G09G3/20 ,  G09G3/3266

Abstract: Disclosed are a method for driving a silicon-based driving back plate and a display apparatus. The method includes: acquiring a watch position of a user on the silicon-based driving back plate within one frame time; determining a watch region of the user on the silicon-based driving back plate according to the watch position; and controlling a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in the watch region to be greater than a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in a non-watch region.

公开(公告)号：US20220262310A1

公开(公告)日：2022-08-18

申请号：US17661318

申请日：2022-04-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Kuanjun Peng ,  Chengchung Yang ,  Xiangxiang Zou ,  Wei Qin

IPC: G09G3/3233

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

公开(公告)号：US11335265B2

公开(公告)日：2022-05-17

申请号：US16638898

申请日：2019-03-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling Gao ,  Kuanjun Peng ,  Wei Qin

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3291

Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include a storage capacitor, an initialization sub-circuit and a light-emitting control sub-circuit. The initialization sub-circuit is configured to store an initial voltage of the initial voltage terminal in the first terminal of the storage capacitor under a control of a light-emitting control signal of the light-emitting control terminal; and the light-emitting control sub-circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the storage capacitor. The first voltage terminal and the initial voltage terminal are separated terminals.

公开(公告)号：US20220115459A1

公开(公告)日：2022-04-14

申请号：US17199489

申请日：2021-03-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhiqiang Xu ,  Wei Qin ,  Weixing Liu ,  Kai Guo ,  Tieshi Wang

IPC: H01L27/32 ,  H01L51/56

Abstract: A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.

公开(公告)号：US11238788B2

公开(公告)日：2022-02-01

申请号：US16759575

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Qin ,  Kuanjun Peng ,  Chengchung Yang ,  Xiaolong Li ,  Zhiqiang Xu

IPC: G09G3/3225 ,  G09G3/3266

Abstract: The present disclosure provides an OLED panel, a driving method thereof and a display device. The OLED panel has pixel units arranged in rows and columns, and each including an OLED device. The OLED panel includes regions arranged in column direction, and each including at least one row of pixel units and a cathode layer, the OLED devices in each region share the cathode layer therein, and the cathode layer of each region is disconnected from the cathode layer of any other region. The OLED panel includes a cathode voltage supply circuit configured to output a cathode voltage including an operating level to the cathode layer. The cathode voltage supply circuit is configured to start outputting the operating level to the cathode layer of at least one region at a time at least later than a time when all pixel units in the region receive a scan signal.

公开(公告)号：US20210359272A1

公开(公告)日：2021-11-18

申请号：US16344009

申请日：2018-03-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Fangzhen Zhang ,  Wei Qin ,  Kuanjun Peng

IPC: H01L51/52 ,  H01L25/065 ,  H01L27/32

Abstract: The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.

公开(公告)号：US11170701B2

公开(公告)日：2021-11-09

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.