公开(公告)号：US20230029179A1

公开(公告)日：2023-01-26

申请号：US17788360

申请日：2021-09-01

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

Inventor： Wenbin Chen ,  Rongjian Yan ,  Guangjun Song

IPC: G09G5/10

Abstract: A method and device of compensating a brightness for a display device and a method and device of driving a display device are provided. The method of compensating a brightness includes: acquiring display brightness data of multiple frames of pictures displayed after a display picture of the display device is switched from a first grayscale value to a second grayscale value; determining a brightness coefficient of each frame of picture according to the display brightness data; determining a reference picture and at least one frame of to-be-compensated picture according to the brightness coefficient; and determining a grayscale compensation value, so that a ratio of a display brightness of each frame of to-be-compensated picture displayed by the display device to a display brightness of the reference picture displayed by the display device is greater than or equal to a preset first brightness threshold.

公开(公告)号：US11983340B2

公开(公告)日：2024-05-14

申请号：US17486827

申请日：2021-09-27

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

Inventor： Zhaowei Yu ,  Qinhe Wei ,  Rongjian Yan ,  Wenbin Chen

IPC: H10K50/84 ,  G06F3/041 ,  H10K59/122 ,  H10K59/124 ,  H10K59/40 ,  H10K71/00 ,  H10K77/10

CPC classification number: G06F3/0412 ,  H10K50/84 ,  H10K59/122 ,  H10K59/124 ,  H10K59/40 ,  H10K71/00 ,  H10K77/111

Abstract: A display substrate is provided. The display substrate includes: a base substrate; a pixel defining layer disposed on the base substrate, wherein the pixel defining layer defines a plurality of sub-pixel areas and has a groove therein; and a touch structure disposed in the groove, wherein the touch structure is configured to provide a touch function.

公开(公告)号：US11790846B2

公开(公告)日：2023-10-17

申请号：US17767061

申请日：2021-06-10

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

Inventor： Wenqiang Zhang ,  Rongjian Yan ,  Wenbin Chen

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3291

CPC classification number: G09G3/3233 ,  G09G3/2003 ,  G09G3/3291 ,  G09G2320/0276 ,  G09G2320/0653 ,  G09G2320/0673

Abstract: A driving method of a display panel includes: determining a brightness band of the display panel, wherein brightness bands include a first brightness band to an Nth brightness band, maximum grayscale brightness of the first brightness band to the Nth brightness band decreases sequentially, and each brightness band includes three Gamma correction curves respectively corresponding to a first light emitting unit, a second light emitting unit, and a third light emitting unit each of an (N−M)th brightness band to the Nth brightness band also corresponds to at least one duty ratio; determining an input data voltage corresponding to at least one light emitting unit based on a Gamma correction curve that corresponds to the determined brightness band and an image to be displayed; and driving the display panel to display the image based on the determined input data voltage, or the determined input data voltage and the duty ratio.

公开(公告)号：US11230469B2

公开(公告)日：2022-01-25

申请号：US16413822

申请日：2019-05-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhidong Wang ,  Lijia Zhou ,  Quanguo Zhou ,  Ronghua Lan ,  Rongjian Yan

IPC: A61M37/00 ,  B81B3/00 ,  H01L41/09 ,  H01L41/45 ,  H01L41/193

Abstract: The disclosure discloses a drive component of a micro-needle system, a method for driving the same, a micro-needle system and a method for fabricating the same; wherein the drive component includes a substrate with a groove; a bottom electrode in the groove; an electro-active polymer layer, covering the bottom electrode, in the groove; and an upper flexible electrode covering the electro-active polymer layer; wherein the upper flexible electrode and the bottom electrode are configured to generate a voltage, and the electro-active polymer layer is configured to generate a strain under the voltage.

公开(公告)号：US11594763B2

公开(公告)日：2023-02-28

申请号：US16629074

申请日：2019-04-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanguo Zhou ,  Lijia Zhou ,  Zhidong Wang ,  Rongjian Yan ,  Jiuyang Cheng ,  Ronghua Lan ,  Yungchiang Lee ,  Yancheng Lu ,  Qingguo Yang

IPC: H01M10/0585 ,  H01M50/209 ,  H01M4/04 ,  H01M10/052

Abstract: A method for manufacturing an all-solid lithium battery includes: providing a substrate; and forming M rows×N columns of lithium battery cells on the substrate, wherein each of the lithium battery cells includes a positive electrode current collector layer, a positive electrode layer, an electrolyte layer, a negative electrode layer, and a negative electrode current collector layer.

公开(公告)号：US11378862B2

公开(公告)日：2022-07-05

申请号：US16486016

申请日：2019-01-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Rongjian Yan ,  Li Tian ,  Zhidong Wang ,  Lijia Zhou ,  Quanguo Zhou ,  Junrui Zhang

IPC: G02F1/29 ,  G02F1/00

Abstract: An optical axis tunable liquid crystal lens includes a liquid crystal layer; and a control electrode configured to adjust an optical axis of the optical axis tunable liquid crystal lens. The control electrode includes a first electrode configured to be provided with a common voltage signal and a second electrode configured to be provided with a control voltage signal. The first electrode is on a side of the liquid crystal layer away from the second electrode. The second electrode includes a first sub-electrode and a second sub-electrode spaced apart from each other and being on two opposite sides with respect to a center of the second electrode, the first sub-electrode and the second sub-electrode being independently addressable, the first sub-electrode configured to be provided with a first voltage signal and the second sub-electrode configured to be provided with a second voltage signal.

公开(公告)号：US11187961B2

公开(公告)日：2021-11-30

申请号：US16439058

申请日：2019-06-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lijia Zhou ,  Zhidong Wang ,  Junrui Zhang ,  Rongjian Yan ,  Quanguo Zhou ,  Li Tian ,  Yungchiang Lee ,  Meng Guo

IPC: G02F1/29

Abstract: A liquid crystal lens and an imaging device including the liquid crystal lens are provided. The liquid crystal lens includes: a first substrate and a second substrate arranged opposite to each other; a liquid crystal layer located between the first substrate and the second substrate; the liquid crystal layer is configured to transmit a first portion of incident light transmitted through the first substrate, and converge the first portion of incident light to a predetermined region of the second substrate; and a light adjustment structure arranged between the first substrate and the second substrate, and configured to enable a second portion of incident light transmitted through the first substrate to be transmitted through the liquid crystal layer and converged to the predetermined region.

公开(公告)号：US10951815B2

公开(公告)日：2021-03-16

申请号：US16425674

申请日：2019-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rongjian Yan ,  Li Tian ,  Junrui Zhang ,  Zhidong Wang ,  Lijia Zhou ,  Quanguo Zhou ,  Ronghua Lan

IPC: H04N5/232 ,  G02F1/1335 ,  H04N5/225

Abstract: The present disclosure relates to an imaging device, an imaging control method, an electronic apparatus, and a readable storage media. The imaging device includes an image sensor, a spatial attitude sensor, a processor, a liquid crystal lens, and a control circuit. The liquid crystal lens is arranged on an imaging optical path of the image sensor and coupled to the control circuit. The spatial attitude sensor is configured to acquire a spatial attitude of the imaging device, and send the spatial attitude to the processor. The processor is configured to calculate an offset vector of the imaging device according to the spatial attitude, determine a light emission direction of the liquid crystal lens according to the offset vector, acquire a first control signal according to the light emission direction, and send the first control signal to the control circuit. The control circuit is configured to control the liquid crystal lens to swing focus according to the first control signal.

公开(公告)号：US20200077018A1

公开(公告)日：2020-03-05

申请号：US16425674

申请日：2019-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rongjian Yan ,  Li Tian ,  Junrui Zhang ,  Zhidong Wang ,  Lijia Zhou ,  Quanguo Zhou ,  Ronghua Lan

IPC: H04N5/232 ,  G02F1/1335 ,  H04N5/225

Abstract: The present disclosure relates to an imaging device, an imaging control method, an electronic apparatus, and a readable storage media. The imaging device includes an image sensor, a spatial attitude sensor, a processor, a liquid crystal lens, and a control circuit. The liquid crystal lens is arranged on an imaging optical path of the image sensor and coupled to the control circuit. The spatial attitude sensor is configured to acquire a spatial attitude of the imaging device, and send the spatial attitude to the processor. The processor is configured to calculate an offset vector of the imaging device according to the spatial attitude, determine a light emission direction of the liquid crystal lens according to the offset vector, acquire a first control signal according to the light emission direction, and send the first control signal to the control circuit. The control circuit is configured to control the liquid crystal lens to swing focus according to the first control signal.

公开(公告)号：US11757158B2

公开(公告)日：2023-09-12

申请号：US16764118

申请日：2019-08-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanguo Zhou ,  Lijia Zhou ,  Rongjian Yan ,  Zhidong Wang ,  Jiuyang Cheng ,  Ronghua Lan ,  Yancheng Lu ,  Qingguo Yang

IPC: H01M4/56 ,  H01M10/0565 ,  H01M4/131 ,  H01M4/36 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/533 ,  H01M50/534 ,  H01M10/0562

CPC classification number: H01M10/0565 ,  H01M4/131 ,  H01M4/366 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/533 ,  H01M50/534 ,  H01M10/0562 ,  H01M2300/0068

Abstract: An all-solid-state lithium battery is disclosed, including a substrate; and a plurality of layers of lithium battery units stacked on the substrate. Each layer of lithium battery unit of the plurality of layers of lithium battery units includes at least two electrode collector layers, a first electrode layer, an electrolyte layer and a second electrode layer. Two neighboring layers of lithium battery units share one of the electrode collector layers. A method for fabricating an all-solid-state lithium battery is further disclosed.