公开(公告)号：US20230042708A1

公开(公告)日：2023-02-09

申请号：US17968963

申请日：2022-10-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xue Dong ,  Liwei Liu ,  Xinxing Wang ,  Yun Sik Im ,  Hyun Sic Choi ,  Jaegeon You ,  Yinglong Huang ,  Heecheol Kim

IPC: G02F1/1339 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

Abstract: A display panel and a display device are provided. In the display panel, a plurality of main spacers and a plurality of auxiliary spacers are disposed on a side of a first substrate close to a second substrate, the second substrate further includes a plurality of first lug bosses and a plurality of second lug bosses; an orthographic projection of the main spacers on the second substrate is at least partially overlapped with an orthographic projection of a corresponding first lug boss on the second substrate; an orthographic projection of the auxiliary spacers on the second substrate is away from an orthographic projection of a corresponding second lug boss on the second substrate by a preset distance; and the distance between each of the auxiliary spacers and the corresponding second lug boss is less than a height of the first lug bosses.

公开(公告)号：US11132951B2

公开(公告)日：2021-09-28

申请号：US16759939

申请日：2019-10-14

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

Inventor： Yinglong Huang ,  Bingwei Yang ,  Wenbao Gao

IPC: G09G3/3258 ,  H01L27/32

Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a light-emitting element, a driving unit, a light-emitting control unit, a driving control unit, an energy storage unit, a first reset unit and a second reset unit, the first reset unit is configured to write a first voltage output by a first voltage line into a first terminal of the driving unit under control of the reset control line; the second reset unit is configured to write an initial voltage output by an initial voltage line into a control terminal of the driving unit under control of the reset control line; the driving unit is configured to drive the light-emitting element to emit light under control of the control terminal of the driving unit.

公开(公告)号：US10504469B2

公开(公告)日：2019-12-10

申请号：US15768948

申请日：2017-10-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiha Kim ,  Seung Woo Han ,  Guangliang Shang ,  Xing Yao ,  Haoliang Zheng ,  Mingfu Han ,  Zhichong Wang ,  Lijun Yuan ,  Yun Sik Im ,  Jing Lv ,  Yinglong Huang ,  Xue Dong

IPC: G09G3/36 ,  G11C19/28 ,  G09G3/3266 ,  G09G3/20 ,  G11C19/18

Abstract: A shift-buffer circuit, a gate driving circuit, a display panel, a display device, and a driving method. The shift-buffer circuit includes: a shift register and a plurality of buffers connected with the shift register. The shift register includes a shift output terminal; the shift register is configured to output a shift output signal from the shift output terminal, in response to a shift clock signal; each of the buffers includes a buffer input terminal and a buffer output terminal, the buffer input terminal being connected with the shift output terminal; each of the buffers is configured to output a buffer output signal from the buffer output terminal, in response to a buffer clock signal.

公开(公告)号：US10269290B2

公开(公告)日：2019-04-23

申请号：US15680416

申请日：2017-08-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Mingfu Han ,  Haoliang Zheng ,  Han-Seung- Woo ,  Im-Yun- Sik ,  Jing Lv ,  Yinglong Huang ,  Jun-Jung- Mok ,  Xue Dong ,  Zhichong Wang ,  Xing Yao ,  Lijun Yuan ,  Zhihe Jin

IPC: G09G3/36 ,  G09G3/20 ,  G11C19/28 ,  G09G3/3266

Abstract: Embodiments of the present disclosure provide a shift register unit, a driving method thereof, a gate driving circuit, and a display device. The shift register unit comprises an input circuit, a reset circuit, a plurality of output circuits, a plurality of pull-down circuits and a plurality of pull-down control circuits. During a first time period, all of signals output by the plurality of output circuits are valid. During a second time period, at least one of the signals output by the plurality of output circuits is invalid, wherein the second time period comprises a first sub-period and a second sub-period, and the state of at least one of the signals output by the plurality of output circuits during the first sub-period is opposite to the state thereof during the second sub-period. The shift register unit may enable transistors in a pixel circuit to switch between ON and OFF states, so as to extend lifetime of the transistors.

公开(公告)号：US10096374B2

公开(公告)日：2018-10-09

申请号：US15539220

申请日：2016-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang Shang ,  Seungwoo Han ,  Haoliang Zheng ,  Xing Yao ,  Mingfu Han ,  Hyunsic Choi ,  Yunsik Im ,  Yinglong Huang ,  Jungmok Jun ,  Xue Dong

IPC: G09G3/36 ,  G11C19/28 ,  G09G3/20

Abstract: The present disclosure provides a shift register circuit, an array substrate, and a display device. For a first driver and a second driver adjacent to each other in a direction substantially perpendicular to the gate line, a first driving input wiring of the first driver is arranged to input a first clock driving signal to individual shift registers successively from a shift register at a first end position of the first driver to a shift register at a second end position of the first driver, and a second driving input wiring of the second driver is arranged to input a second clock driving signal to individual shift registers successively from a shift register at a second end position of the second driver to a shift register at a first end position of the second driver.

公开(公告)号：US20180190180A1

公开(公告)日：2018-07-05

申请号：US15680416

申请日：2017-08-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Mingfu Han ,  Haoliang Zheng ,  Han-Seung- Woo ,  Im-Yun- Sik ,  Jing Lv ,  Yinglong Huang ,  Jun-Jung- Mok ,  Xue Dong ,  Zhichong Wang ,  Xing Yao ,  Lijun Yuan ,  Zhihe Jin

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/2092 ,  G09G3/3266 ,  G09G3/3677 ,  G09G2300/0809 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/043 ,  G09G2330/02 ,  G11C19/28

Abstract: Embodiments of the present disclosure provide a shift register unit, a driving method thereof, a gate driving circuit, and a display device. The shift register unit comprises an input circuit, a reset circuit, a plurality of output circuits, a plurality of pull-down circuits and a plurality of pull-down control circuits. During a first time period, all of signals output by the plurality of output circuits are valid. During a second time period, at least one of the signals output by the plurality of output circuits is invalid, wherein the second time period comprises a first sub-period and a second sub-period, and the state of at least one of the signals output by the plurality of output circuits during the first sub-period is opposite to the state thereof during the second sub-period. The shift register unit may enable transistors in a pixel circuit to switch between ON and OFF states, so as to extend lifetime of the transistors.

公开(公告)号：US11906853B2

公开(公告)日：2024-02-20

申请号：US17968963

申请日：2022-10-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xue Dong ,  Liwei Liu ,  Xinxing Wang ,  Yun Sik Im ,  Hyun Sic Choi ,  Jaegeon You ,  Yinglong Huang ,  Heecheol Kim

IPC: G02F1/133 ,  G02F1/1339 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/13394 ,  G02F1/1368 ,  G02F1/13396 ,  G02F1/133512 ,  G02F1/136286 ,  H01L27/124

Abstract: A display panel and a display device are provided. In the display panel, a plurality of main spacers and a plurality of auxiliary spacers are disposed on a side of a first substrate close to a second substrate, the second substrate further includes a plurality of first lug bosses and a plurality of second lug bosses; an orthographic projection of the main spacers on the second substrate is at least partially overlapped with an orthographic projection of a corresponding first lug boss on the second substrate; an orthographic projection of the auxiliary spacers on the second substrate is away from an orthographic projection of a corresponding second lug boss on the second substrate by a preset distance; and the distance between each of the auxiliary spacers and the corresponding second lug boss is less than a height of the first lug bosses.

公开(公告)号：US20240049497A1

公开(公告)日：2024-02-08

申请号：US17641874

申请日：2021-07-28

Applicant: Mianyang BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Chienyu Chen ,  Yaohong Tan ,  Mingche Hsieh ,  Yinglong Huang ,  Wen Sun ,  Jenyu Lee ,  Guoren Hu

IPC: H10K50/18 ,  H10K59/122 ,  H10K59/173 ,  H10K59/12

CPC classification number: H10K50/18 ,  H10K59/122 ,  H10K59/173 ,  H10K59/1201

Abstract: An array substrate is provided. The array substrate includes an anode layer including a plurality of anodes on the base substrate, a respective anode being at least partially in a respective subpixel region; a carrier transport blocking layer on a side of the anode layer away from the base substrate, the carrier transport blocking layer at least partially blocking carrier transport; a pixel definition layer on a side of the carrier transport blocking layer away from the base substrate, the pixel definition layer defining subpixel apertures, a respective subpixel aperture exposing at least a portion of the respective anode; and an organic layer including at least a first portion in the respective subpixel region and on a side of the anode layer away from the base substrate.

公开(公告)号：US11520174B2

公开(公告)日：2022-12-06

申请号：US16605974

申请日：2019-04-18

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

Inventor： Weipin Hu ,  Yinglong Huang ,  Jun Wu

IPC: G02F1/03 ,  G02B1/00 ,  G02B27/01

Abstract: A photonic crystal, a light conversion device, a display panel, and a pair of glasses are provided. The photonic crystal of the embodiment of the present disclosure includes first dielectric layers and second dielectric layers having different refractive indexes, and the first dielectric layers and the second dielectric layers are alternately stacked. A thickness and a refractive index of each of the first dielectric layers and a thickness and a refractive index of each of the second dielectric layers are configured such that the photonic crystal blocks blue light with a wavelength of 420 nm to 470 nm incident into the photonic crystal from passing through the photonic crystal.

公开(公告)号：US11181783B2

公开(公告)日：2021-11-23

申请号：US16642957

申请日：2018-10-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xue Dong ,  Xinxing Wang ,  Liwei Liu ,  Yinglong Huang ,  Jaegeon You ,  Yunsik Im ,  Hyunsic Choi ,  Heecheol Kim

IPC: G02F1/133 ,  G02F1/1339 ,  G02F1/1362

Abstract: A display panel is provided. The display panel includes a first substrate faces a second substrate. The first substrate includes a plurality of first spacers and a plurality of second spacers. The second substrate includes a corresponding plurality of first protrusions and a plurality of second protrusions. A sum of a height of the first protrusion and a height of the first spacer is greater than that of the second spacer. Each of the first spacers includes at least one protrusion. A length of an orthographic projection of each protrusion on a plane of the first substrate is longer in one direction.