公开(公告)号：US11348904B2

公开(公告)日：2022-05-31

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：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.

公开(公告)号：US20210407376A1

公开(公告)日：2021-12-30

申请号：US16612927

申请日：2019-01-07

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G09G3/20

Abstract: The present application discloses pixel circuit including a current-control circuit coupled respectively to a first data-signal terminal, a first voltage terminal, a first scan-signal terminal, and a first output node. The current-control circuit is configured to output a driving current to the first output node based on a first data signal and a first voltage signal in response to a first scan signal. The pixel circuit further includes a timing-control circuit coupled respectively to a second data-signal terminal, a second scan-signal terminal, multiple modulation-signal terminals, the first output node, and a second output node. The timing-control circuit is configured to select one modulation signal based on a second data signal in response to a second scan signal and to output the driving current from the current-control circuit via the second output node to a light-emitting device based on the modulation signal.

公开(公告)号：US11176878B2

公开(公告)日：2021-11-16

申请号：US16606128

申请日：2019-05-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32 ,  G09G3/3225 ,  G06F1/16 ,  G09G3/00

Abstract: A flexible display screen, a bending detection method and device, a driving method are disclosed. The flexible display screen includes an array substrate, a light emitting device on a side of the array substrate, and an elastic conductor layer on a side of the array substrate distal to the light emitting device. The array substrate includes at least one target region, and a plurality of storage capacitors in each target region. The array substrate further includes a target electrode-plate including first electrode-plates of storage capacitors in the same target region. The target electrode-plate is electrically connected to a detecting signal terminal, and the detecting electrode-plate includes at least the target electrode-plate. The array substrate is configured to form a bending detection capacitor collectively by the detecting electrode-plate and the elastic conductor layer in response to the target electrode-plate receives detecting signal.

公开(公告)号：US20210335212A1

公开(公告)日：2021-10-28

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.

公开(公告)号：US11106296B2

公开(公告)日：2021-08-31

申请号：US16078061

申请日：2017-12-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36 ,  G09G3/3266

Abstract: A shift register unit includes an input circuit, a first control circuit, a second control circuit, a third control circuit, a first output circuit, and a second output circuit. The first and second output circuits selectively transfer a first reference voltage from a first reference voltage terminal and a third reference voltage from a third reference voltage terminal to an output terminal of the shift register unit. This allows the shift register unit to output a desired output signal in an easy manner.

公开(公告)号：US20210225224A1

公开(公告)日：2021-07-22

申请号：US17255529

申请日：2020-05-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Minghua Xuan ,  Han Yue ,  Li Xiao ,  Liang Chen ,  Hao Chen

IPC: G09G3/00 ,  G09G3/32

Abstract: A pixel circuit, a driving method thereof, and a display device are provided. The pixel circuit includes: a light-emitting assembly including a plurality of light-emitting elements; a driving sub-circuit electrically coupled to the light-emitting assembly and configured to generate driving current for driving the light-emitting assembly; and a repair sub-circuit electrically coupled to the light-emitting assembly and configured to: receive a repair scanning signal (Gate_R, Gate_Ri) and a repair data signal (Data_R, Data_Ri), and provide the driving current to at least one light-emitting element capable of emitting light normally among the plurality of light-emitting elements under the control of the repair scanning signal (Gate_R, Gate_Ri) and the repair data signal (Data_R, Data_Ri).

公开(公告)号：US10930203B2

公开(公告)日：2021-02-23

申请号：US16450288

申请日：2019-06-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32

Abstract: A grayscale adjustment circuit, a driving method thereof and a display device are provided. The circuit includes: an input sub-circuit configured to output a signal of a data signal terminal to a driving sub-circuit under a control of the scanning signal terminal, the driving sub-circuit configured to store an output signal of the input sub-circuit and output a signal of the first voltage terminal to a switching control sub-circuit under a control of the output signal of the input sub-circuit, a switching time control sub-circuit configured to output a signal of each switching time signal terminal to the switching control sub-circuit under a control of each switching time control terminal, the switching control sub-circuit configured to output an output signal of the driving sub-circuit to the light-emitting sub-circuit under a control of an output signal of the switching time control sub-circuit to control the light-emitting sub-circuit to emit light.

公开(公告)号：US10784218B2

公开(公告)日：2020-09-22

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 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1345

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：US10665167B2

公开(公告)日：2020-05-26

申请号：US15769277

申请日：2017-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/00 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32

Abstract: A pixel circuit and a driving method, a display device. The pixel circuit includes: a main driving circuit, configured to, under control of a scanning signal line and a data signal line, output a main driving current signal to a fusing circuit; the fusing circuit configured to enable a light emitting circuit and the main driving circuit to be disconnected from each other; a fusing control circuit configured to, under control of a signal input terminal, enable the light emitting circuit and the main driving circuit to be disconnected from each other; a standby driving circuit configured to output a standby driving current signal to a switching circuit; the switching circuit configured to, under control of an input signal of a control line, connect the standby driving circuit to the light emitting circuit; and the light emitting circuit configured to emit light by using the standby driving current signal.