公开(公告)号：US10269319B2

公开(公告)日：2019-04-23

申请号：US15571623

申请日：2017-06-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yoonsung Um ,  Zheng Fang ,  Chengte Lai ,  Yunsik Im ,  Yankai Gao

IPC: G09G3/36

Abstract: A display device and a driving method thereof are provided. The driving method includes supplying a first voltage Vp1 to a sub-pixel of the display device through data lines in a first stage of a control period for displaying an image. A time for displaying the image includes a plurality of control periods, and the control period includes the first stage and at least a second stage following the first stage. The driving method also includes supplying a second voltage Vp2 to the sub-pixel through the data lines in the second stage. A gate scanning frequency of the first stage is F1 and a gate scanning frequency of the second stage is F2. When the first stage ends, the sub-pixel has a pixel voltage Vp3, F1 |Vp3|.

公开(公告)号：US10276598B2

公开(公告)日：2019-04-30

申请号：US15510166

申请日：2016-07-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengte Lai ,  Hong Wang ,  Chengqi Zhou ,  Shou Li ,  Yaoqiu Jing

IPC: H01L27/12 ,  G09G3/20

Abstract: An array substrate and a display device are provided. The array substrate includes a base substrate. The base substrate includes a display area and a non-display area. The display area is provided with a plurality of first signal lines and a plurality of second signal lines. The plurality of first signal lines and the plurality of second signal lines intersect to define a plurality of pixel units, and the plurality of first signal lines is substantially radially distributed.

公开(公告)号：US10026376B2

公开(公告)日：2018-07-17

申请号：US15134780

申请日：2016-04-21

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

Inventor： Chiachia Sung ,  Lei Liu ,  Dianzheng Dong ,  Chengte Lai ,  Guangxing Wang

IPC: G09G3/36 ,  G06F1/32 ,  G05F3/08 ,  G05F1/10 ,  G05F1/66 ,  G06F1/26 ,  G09G5/00

Abstract: The present disclosure provides a power management integrated circuit (PMIC) and a display device. The PMIC includes an FBN and a DC voltage output unit configured to output different DC voltages to the FBN in a time-division manner.

公开(公告)号：US10269302B2

公开(公告)日：2019-04-23

申请号：US15508676

申请日：2016-07-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuxin Bi ,  Jiyang Shao ,  Chengte Lai

IPC: G09G3/34 ,  G09G3/36 ,  G02F1/1333 ,  G02F1/1335

Abstract: A curvature-adjustable display device includes: a detection module configured to detect a curvature of the display device and send the curvature; a backlight module including a plurality of backlight substructures, in which each backlight substructure is configured to provide backlight for different areas of the display device according to a backlight driving parameter matched with the backlight substructure; a driver module which is configured to receive the curvature sent by the detection module, determine the backlight driving parameter required by each backlight substructure according to the received curvature and a preset corresponding relationship between the curvature and the backlight driving parameter, and send the backlight driving parameter to each corresponding backlight substructure, respectively, so that the backlight substructures can provide backlight for different areas of the display device according to the backlight driving parameter matched with the backlight substructure; and a display panel configured to display images.

公开(公告)号：US10209846B2

公开(公告)日：2019-02-19

申请号：US15550479

申请日：2017-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hong Wang ,  Chengqi Zhou ,  Yaoqiu Jing ,  Min Peng ,  Shou Li ,  Chengte Lai

IPC: G06F3/046 ,  G02F1/1333 ,  G02F1/1335 ,  G06F3/044 ,  G06F3/041

Abstract: The present application discloses a touch sensing apparatus for detecting a touch motion by induction. The touch sensing apparatus includes a base substrate; a black matrix layer on the base substrate defining a plurality of light transmissive regions; an inductor layer on the base substrate, the inductor layer including at least one inductor unit, each of the at least one inductor unit having a multi-turn planar coil structure, a projection of the inductor layer on the base substrate substantially overlapping with that of a portion of the black matrix layer; and at least one first sensing circuit coupled to the at least one inductor unit and configured to be provided with an AC signal and to detect a change of the AC signal induced by the touch motion.

公开(公告)号：US10510291B2

公开(公告)日：2019-12-17

申请号：US15765501

申请日：2017-09-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chienpang Huang ,  Chengte Lai ,  Weilin Lai

IPC: G09G3/3225 ,  G09G3/36

Abstract: A display method for a display device and the display device are provided. The display device includes multiple gate lines and multiple data lines, each of the gate lines extends in a row direction, and each of the data lines extends in a column direction. The method includes: dividing a display region of the display device into multiple sub-regions, where each of the sub-regions includes all of the data lines in the row direction and includes at least one of the gate lines in the column direction; controlling, when the display device is shut down or powered down, a gate driving circuit of the display device to input a turn-on voltage into the gate lines in each of the sub-regions one by one; and controlling a source driving circuit of the display device to input a voltage corresponding to a grayscale value of 0 to each of the data lines.

公开(公告)号：US20180240430A1

公开(公告)日：2018-08-23

申请号：US15571623

申请日：2017-06-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yoonsung Um ,  Zheng Fang ,  Chengte Lai ,  Yunsik Im ,  Yankai Gao

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G3/3614 ,  G09G3/3696 ,  G09G2320/0247 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2340/16

Abstract: A display device and a driving method thereof are provided. The driving method includes supplying a first voltage Vp1 to a sub-pixel of the display device through data lines in a first stage of a control period for displaying an image. A time for displaying the image includes a plurality of control periods, and the control period includes the first stage and at least a second stage following the first stage. The driving method also includes supplying a second voltage Vp2 to the sub-pixel through the data lines in the second stage. A gate scanning frequency of the first stage is F1 and a gate scanning frequency of the second stage is F2. When the first stage ends, the sub-pixel has a pixel voltage Vp3, F1 |Vp3|.

公开(公告)号：US11682346B2

公开(公告)日：2023-06-20

申请号：US16960433

申请日：2019-12-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chengte Lai ,  Suncun Li

IPC: G09G3/3208

CPC classification number: G09G3/3208 ,  G09G2320/0233 ,  G09G2320/043

Abstract: A method, apparatus, and device for determining aging degrees of pixels in a display panel, and a method, apparatus, and device for compensating display luminance of pixels. The method for determining the aging degrees of the pixels in the display panel includes: for each pixel of at least a part of pixels in the display panel that includes multiple pixels, determining electric current data and temperature data of the pixel; and based on the determined current data and temperature data, calculating aging degree data of the pixel according to an attenuation model.

公开(公告)号：US11227566B2

公开(公告)日：2022-01-18

申请号：US15777605

申请日：2017-11-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Gaoming Sun ,  Yuxin Bi ,  Chengte Lai ,  Quan Yang

IPC: G09G5/10 ,  G09G3/20

Abstract: The present application discloses a method for reducing brightness of images at least partially. The method includes determining a grayscale mapping table corresponding to a previous frame of image and adjusting grayscale value of each pixel of a current frame of image based on the grayscale mapping table to enhance a contrast ratio to determine an after-adjust grayscale value of each pixel of the current frame of image. Furthermore, the method includes determining one or more coefficients of grayscale reduction based on the after-adjust grayscale value of each pixel of the current frame of image. Moreover, the method includes reducing grayscale value of each pixel of a next frame of image based on the one or more coefficients of grayscale reduction and after-adjust grayscale values of corresponding pixels of the next frame of image.

公开(公告)号：US11074849B2

公开(公告)日：2021-07-27

申请号：US16643442

申请日：2019-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Gaoming Sun ,  Chengte Lai

IPC: G09G3/3225 ,  G09G3/20

Abstract: The preset disclosure provides a display method, a display device and a display. The display method includes: transmitting data to be displayed to a processing unit in an RGB format after acquiring the data to be displayed; performing contrast adjustment and brightness adjustment on the data to be displayed in the RGB format by the processing unit, and transmitting the processed data to be displayed to a conversion unit; converting the processed data to be displayed into data in an MIPI format by the conversion unit, and displaying the data to be displayed in the MIPI format.