公开(公告)号：US10802442B2

公开(公告)日：2020-10-13

申请号：US15956234

申请日：2018-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hao Chen

IPC: G03H1/22 ,  G03H1/12 ,  G03H1/26 ,  G03H1/08 ,  G03H1/02

Abstract: A holographic display device is provided, comprising a spatial light modulator. The spatial light modulator is configured to load at least one composite hologram, and one of the at least one composite hologram is formed by superposing N sub-holograms. The holographic display device further comprises a light source arranged on a light incoming side of the spatial light modulator. The light source is configured to provide readout light to the spatial light modulator. The light source comprises M light source components. The direction of propagation of emergent light of each of at least two light source components among the M light source components is identical to the direction of propagation of a reference wave corresponding to one of the N sub-holograms, wherein M≥N≥2, and M and N are positive integers.

公开(公告)号：US10109653B2

公开(公告)日：2018-10-23

申请号：US15568155

申请日：2017-05-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Baoli Liu ,  Hao Chen ,  Haizheng Xie ,  Yu Lin ,  Xiaohui Zhu ,  Yuezheng Guan

IPC: H01L21/00 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1368

Abstract: An array substrate, a manufacturing method thereof and a display device are provided. The array substrate includes: a base substrate; a thin-film transistor and a first conductive layer formed on the base substrate; and a passivation layer formed on the TFT and the first conductive layer. The TFT includes a source electrode and a drain electrode; the first conductive layer is arranged in the same layer with the source electrode and the drain electrode; a second conductive layer is disposed on a side of the first conductive layer opposite to the passivation layer; the passivation layer is provided with a through hole penetrating therethrough; and an orthographic projection of the through hole on the base substrate falls within an orthographic projection of the first conductive layer on the base substrate and falls within an orthographic projection of the second conductive layer on the base substrate.

公开(公告)号：US12213354B2

公开(公告)日：2025-01-28

申请号：US17585026

申请日：2022-01-26

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H10K59/131 ,  G09F9/30 ,  H10K50/844 ,  H10K59/121 ,  H10K102/00

Abstract: A display panel is provided. The display panel includes a base substrate and a plurality of display units disposed on the base substrate. The display unit includes a signal line, a light-emitting device and a drive unit. The light-emitting device is disposed in a flexible display region of the base substrate, the drive unit is disposed in a pixel circuit region of the base substrate, and the signal line is connected with the light-emitting device and the drive unit.

公开(公告)号：US12112707B2

公开(公告)日：2024-10-08

申请号：US18308385

申请日：2023-04-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.

公开(公告)号：US12010460B2

公开(公告)日：2024-06-11

申请号：US17427476

申请日：2020-10-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tong Liu ,  Hao Chen ,  Bingchuan Shi ,  Hao Fang

IPC: H04N7/18 ,  G02B7/02 ,  G02B7/182

CPC classification number: H04N7/18 ,  G02B7/02 ,  G02B7/182

Abstract: The monitoring device of the disclosure includes a carrying unit having at least one carrying area for carrying a monitored object, at least part of the carrying area is provided with a corresponding image capturing unit and a corresponding optical path adjusting unit; the image capturing unit captures a monitoring image of the carrying area, each image capturing unit has a preset field of view, each image capturing unit forms the monitoring image according to light incident from the field of view; at least part of the carrying area is an extension area, the extension area is positioned outside the field of view of the image capturing unit; the optical path adjusting unit enables the light emitted from the extension area of the carrying area corresponding thereto to enter the image capturing unit from the field of view of the image capturing unit corresponding to the carrying area.

公开(公告)号：US11972989B2

公开(公告)日：2024-04-30

申请号：US17253960

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L21/66 ,  G01R31/54 ,  G01R31/58 ,  H01L23/00 ,  H01L25/16 ,  H01L27/12 ,  H10K59/131

CPC classification number: H01L22/32 ,  G01R31/54 ,  G01R31/58 ,  H01L22/22 ,  H01L24/02 ,  H01L27/124 ,  H10K59/131 ,  H01L25/167 ,  H01L2224/02321 ,  H01L2224/02375 ,  H01L2224/02379

Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.

公开(公告)号：US11901486B2

公开(公告)日：2024-02-13

申请号：US17256185

申请日：2020-04-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Chen ,  Lei Wang ,  Minghua Xuan ,  Dongni Liu ,  Li Xiao ,  Detao Zhao ,  Hao Chen

IPC: H01L33/00 ,  H01L23/00 ,  H01L33/20

CPC classification number: H01L33/20 ,  H01L24/81 ,  H01L33/005 ,  H01L24/14 ,  H01L2933/0066

Abstract: Provided is a method for transferring a chip, including: disposing a target substrate in a sealed chamber; applying charges of different polarities to a first alignment bonding structure of the target substrate and a first chip bonding structure of the chip, and injecting an insulation fluid flowing in a first direction into the sealed chamber, so that the first chip bonding structure is aligned with the first alignment bonding structure; applying charges of different polarities to a second alignment bonding structure of the target substrate and a second chip bonding structure of the chip, and changing the flowing direction of the insulation fluid to a second direction, so that the second chip bonding structure is aligned with the second alignment bonding structure; and applying a bonding force to the chip, so that the chip bonding structures is bonded to the alignment bonding structures.

公开(公告)号：US11847966B2

公开(公告)日：2023-12-19

申请号：US17760733

申请日：2021-03-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3233 ,  G11C19/28

CPC classification number: G09G3/3233 ,  G11C19/28 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A shift register (SR) includes a voltage control circuit (110) and a bias compensation circuit (120). The voltage control circuit (110) is configured to control a voltage at a first node (Output) to be a first voltage or a second voltage. The bias compensation circuit (120) is configured to: when the voltage at the first node (Output) is the first voltage, transmit a first signal received by a first signal terminal (VDD-A) to a first signal output terminal (EM1), and transmit a second signal received by a second signal terminal (VDD-B) to a second signal output terminal (EM2); and in response to the voltage at the first node (Output) being the second voltage, transmit a signal received by a first voltage terminal (LVGL1) to the first signal output terminal (EM1) and the second signal output terminal (EM2).

公开(公告)号：US11800783B2

公开(公告)日：2023-10-24

申请号：US17379590

申请日：2021-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan Sun ,  Jinxiang Xue ,  Hao Chen

IPC: H10K77/10 ,  G09G3/3258 ,  H10K59/131 ,  H10K71/00 ,  G09F9/30

CPC classification number: H10K77/111 ,  G09G3/3258 ,  H10K59/131 ,  H10K71/00 ,  G09F9/301 ,  G09G2380/02

Abstract: The present disclosure provides an array substrate, a stretchable display device, and a method for manufacturing an array substrate. The array substrate includes: a display area; a circuit area configured to provide an electrical signal to the display area; and a protection area including a plurality of island-shaped protection blocks, a plurality of first connection bridges and a plurality of second connection bridges, wherein each of the plurality of first connection bridges is configured to connect two adjacent island-shaped protection blocks of the plurality of island-shaped protection blocks, and the plurality of second connection bridges are configured to connect the protection area and the circuit area, and wherein the plurality of first connection bridges include a first flexible substrate, and the plurality of second connection bridges include a second flexible substrate.

公开(公告)号：US11798473B2

公开(公告)日：2023-10-24

申请号：US17309917

申请日：2020-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2007 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08

Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes: a data writing sub-circuit configured to transmit a data voltage signal to a first terminal of a driving sub-circuit in response to a first scanning signal; a threshold compensation sub-circuit configured to compensate for a threshold voltage of the driving sub-circuit in response to a second scanning signal; a storage sub-circuit configured to store the data voltage signal; the driving sub-circuit configured to provide a driving current for a light emitting device to be driven according to voltages of a first terminal and a control terminal of the driving sub-circuit; and a voltage maintaining sub-circuit configured to maintain the voltage of the control terminal of the driving sub-circuit when the voltage of the first terminal of the driving sub-circuit jumps.