公开(公告)号：US20210375210A1

公开(公告)日：2021-12-02

申请号：US17287536

申请日：2020-08-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua XUAN ,  Han YUE ,  Qi QI ,  Jing LIU

IPC: G09G3/3258 ,  G09G3/3266

Abstract: Disclosed are a drive circuit, a driving method therefor, and a display device. The drive circuit is configured to drive a device to be driven to work; the drive circuit and said device are connected in series between a first working voltage end (VL1) and a second working voltage end (VL2); the drive circuit is configured to control formation of a current path between the first working voltage end (VL1) and the second working voltage end (VL2); the drive circuit comprises a drive sub-circuit, a writing sub-circuit, a compensation sub-circuit, and a gray-scale control sub-circuit, wherein the compensation sub-circuit is separately connected to the first working voltage end (VL1), a first scan signal end (G_A), a first node (N1), and a third node (N3) and is configured to compensate for the first node (N1) under control of the first scan signal end (G_A) and the first working voltage end (VL1).

公开(公告)号：US20210248977A1

公开(公告)日：2021-08-12

申请号：US17050380

申请日：2020-04-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHANG ,  Han YUE ,  Minghua XUAN

IPC: G09G5/10 ,  G09G3/32 ,  H01L25/16 ,  H01L27/12 ,  H01L31/0232 ,  H01L31/105 ,  H01L33/62

Abstract: A display panel, a method of manufacturing the display panel, a method of driving the display panel and a display device are provided. The display panel includes an array substrate and a plurality of micro light-emitting diodes arranged on the array substrate, and further includes: a photoelectric conversion structure in a one-to-one correspondence with a micro light-emitting diode, the photoelectric conversion structure is located on a side of the corresponding micro light-emitting diode facing the array substrate, connected to the corresponding micro light-emitting diode, and configured to convert a received light signal emitted by the micro light-emitting diode into an electrical signal, and charge the corresponding micro light-emitting diode by using the electrical signal. The display panel is used for display.

公开(公告)号：US20210233461A1

公开(公告)日：2021-07-29

申请号：US16764804

申请日：2019-12-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Xiaochuan CHEN ,  Minghua XUAN ,  Jing YU

IPC: G09G3/32 ,  G09G3/20

Abstract: A driving circuit for driving a target element with a driving current, including: a current source circuit connect to the target element and a first data line, wherein the current source circuit is configured to receive a first data signal through the first data line, and to control the magnitude of the driving current provided to the target element based on the first data signal; a time control circuit connected to the current source circuit, a second data line, and a pulse signal terminal, wherein the time control circuit is configured to receive a second data signal through the second data line, and to receive a periodic pulse signal via the pulse signal terminal, and to control the duration of the driving current provided to the target element in every driving period based on the second data signal and the periodic pulse signal.

公开(公告)号：US20210211628A1

公开(公告)日：2021-07-08

申请号：US15778375

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng LU ,  Xiaochuan CHEN ,  Shengji YANG ,  Lei WANG ,  Wenqing ZHAO ,  Dongni LIU ,  Jie FU ,  Han YUE ,  Li XIAO ,  Jian GAO ,  Haisheng WANG ,  Changfeng LI

IPC: H04N13/117 ,  H04N13/31 ,  H04N13/322 ,  H04N13/383 ,  G09G3/36

Abstract: The present disclosure provides a 3D display device and a working method of the same, the 3D display device includes a display panel, a lens unit, an acquiring component and an adjusting component, the acquiring component is configured to acquire current positions of eyes of a viewer, and the adjusting component is configured to adjust a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions.

公开(公告)号：US20210090496A1

公开(公告)日：2021-03-25

申请号：US16850323

申请日：2020-04-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Hsuanwei MAI

IPC: G09G3/3225 ,  H02H9/04

Abstract: The present disclosure provides a protection circuit for protecting a light emitting element, a pixel unit including the protection circuit, a display panel, and a driving method of the protection circuit. The protection circuit for protecting the light emitting element includes: a bonding protection sub-circuit including a sacrificial metal region, configured to electrically couple the sacrificial metal region to an anode pad and a cathode pad on the backplane for bonding the light emitting element during a period of bonding the light emitting element to the backplane.

公开(公告)号：US20210065615A1

公开(公告)日：2021-03-04

申请号：US16825046

申请日：2020-03-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Minghua XUAN ,  Can ZHANG ,  Can WANG ,  Dongni LIU ,  Xiaochuan CHEN

IPC: G09G3/32

Abstract: A shift register circuit and a method for driving the same, a gate driving circuit and a display device are provided. The shift register circuit includes an input terminal, a first control signal terminal, a second control signal terminal, and an output terminal, and further includes: an input module configured to receive an input signal input by the input terminal under the control of a first control signal input by the first control signal terminal and a second control signal input by the second control signal terminal; a storage module configured to store the input signal; a transmission module configured to transmit the input signal stored by the storage module to a preset node; and an output module configured to output a high level signal or a low level signal through the output terminal under the control of the input signal at the preset node.

公开(公告)号：US20200211464A1

公开(公告)日：2020-07-02

申请号：US16632989

申请日：2019-06-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Minghua XUAN

IPC: G09G3/3258 ,  G09G3/3266

Abstract: Disclosed are a pixel circuit, a driving method thereof, and a display panel. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, a light emitting circuit and a grayscale regulation circuit. The driving circuit includes a control terminal, a first terminal and a second terminal, and is configured to control a driving current; the data writing circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; one terminal of the grayscale regulation circuit is connected with the second terminal of the driving circuit, another terminal thereof is connected with a first terminal of the light emitting circuit, and the grayscale regulation circuit is configured to regulate a voltage of the first terminal of the light emitting circuit according to the data signal in response to a switch driving signal.

公开(公告)号：US20200152612A1

公开(公告)日：2020-05-14

申请号：US16631826

申请日：2019-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaochuan CHEN ,  Jian GAO ,  Pengxia LIANG ,  Xiandong MENG ,  Xianqin MENG ,  Jifeng TAN ,  Fangzhou WANG ,  Wei WANG ,  Han YUE

IPC: H01L25/075 ,  H01L33/58 ,  H01L33/60

Abstract: A display panel is disclosed, the display array including: a substrate; a functional layer on the substrate having a plurality of recesses, at least one of the recesses in a sub-pixel region forming a well structure with a sidewall formed of the functional layer and a bottom formed of the substrate; and a plurality of micro light emitting diodes (Micro LEDs) for emitting light, at least one of the Micro LEDs within a corresponding recess; wherein the functional layer is configured to prevent at least part of the light emitted by one of the Micro LEDs and incident on the sidewall of the corresponding recess from being subsequently emitted through an adjacent sub-pixel region.

公开(公告)号：US20190295973A1

公开(公告)日：2019-09-26

申请号：US16317658

申请日：2018-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Tingting ZHOU ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Lei WANG ,  Jie FU ,  Pengcheng LU ,  Han YUE

IPC: H01L23/00

Abstract: The present disclosure provides a display apparatus and a manufacturing method thereof. The display apparatus includes a silicon substrate, a plurality of metal data interfaces disposed on the silicon substrate, and a plurality of conductive patterns covering upper surfaces of the metal data interfaces respectively. The plurality of the conductive patterns is formed by enabling a semiconductor material to be conductive and the plurality of conductive patterns are not contacted with each other.

公开(公告)号：US20190279565A1

公开(公告)日：2019-09-12

申请号：US15776583

申请日：2017-10-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Lei WANG ,  Dongni LIU ,  Pencheng LU ,  Jie FU ,  Han YUE ,  Li XIAO

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

Abstract: A pixel driving circuit and driving method thereof, and a display panel are provided. The pixel driving circuit includes: a data writing circuit, a reset circuit, a storage circuit, a compensation control circuit, a light emission control circuit, a driving transistor and a plurality of light emitting devices. The pixel driving circuit can time-divisionally input the data signal of the data signal terminal through the data writing circuit, and time-divisionally, electrically conduct each light emitting device and the second electrode of the driving transistor through the light emission control circuit, thereby realizing the function of controlling a plurality of light emitting devices to time-divisionally emit light.