公开(公告)号：US20200090591A1

公开(公告)日：2020-03-19

申请号：US16616234

申请日：2019-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tieshi WANG ,  Kuanjun PENG ,  Wei QIN ,  Chengchung YANG ,  Xueling GAO ,  Xiaolong LI ,  Zhiqiang XU ,  Yan WEI ,  Shengnan LI

IPC: G09G3/3258

Abstract: A pixel driving circuit, a driving method and a display device are provided. The pixel driving circuit includes a driving unit, a capacitor unit, a data write-in unit connected to a corresponding gate line, a corresponding data line and the driving unit, a power source control unit connected to a first light-emitting control end, a power source signal input end and the driving unit, and a first light-emitting control unit connected to a second light-emitting control end, the power source signal input end and the driving unit and configured to, within a predetermined time period of a light-emitting stage, control the power source signal input end to be electrically connected to the driving unit under the control of the second light-emitting control end, stop the operation of the driving unit, and enable the light-emitting unit not to emit light.

公开(公告)号：US20150309244A1

公开(公告)日：2015-10-29

申请号：US14364843

申请日：2013-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Heecheol KIM ,  Yan WEI ,  Chao XU ,  Chunfang ZHANG

IPC: F21V8/00 ,  G02B1/11 ,  G03F7/00

CPC classification number: G02B6/0058 ,  B29D11/00663 ,  G02B1/11 ,  G02B6/0036 ,  G02B6/0055 ,  G02B6/0063 ,  G02B6/0065 ,  G02B6/0076 ,  G03F7/0005 ,  G03F7/2002

Abstract: A manufacturing method of the light guide plates, a light guide plate made by the method and a double-side display device comprising the light guide plate. The manufacturing method of a light guide plate comprises: forming a plurality of alternating first grooves (101) and second grooves (102) on a surface of a transparent substrate (100); forming a first reflective layer (300) on a surface of the first groove (101); and forming a transparent protective layer (500) on the entire surface of the substrate. According to the present disclosure, a light guide plate is provided that can be used in the double-side display device.

Abstract translation: 导光板的制造方法，由该方法制成的导光板和包括导光板的双面显示装置。 导光板的制造方法包括：在透明基板（100）的表面上形成多个交替的第一槽（101）和第二槽（102）; 在所述第一凹槽（101）的表面上形成第一反射层（300）; 以及在所述基板的整个表面上形成透明保护层（500）。 根据本公开，提供了可以用在双面显示装置中的导光板。

公开(公告)号：US20150207503A1

公开(公告)日：2015-07-23

申请号：US14671507

申请日：2015-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chao XU ,  Chunfang ZHANG ,  Yan WEI

IPC: H03K17/30

CPC classification number: H03K17/302 ,  G09G3/3648 ,  G09G3/3674 ,  G09G3/3677 ,  G09G2300/043 ,  G09G2310/0286 ,  G09G2320/045 ,  G11C19/28

Abstract: A method for compensating a threshold voltage drift of a thin film transistor comprises: controlling a drain and a gate of the thin film transistor to have a same voltage; and keeping the voltage at the gate of the thin film transistor unchanged and controlling the voltage at the drain of the thin film transistor to be equal to a voltage at a source of the thin film transistor.

Abstract translation: 一种用于补偿薄膜晶体管的阈值电压漂移的方法，包括：控制薄膜晶体管的漏极和栅极具有相同的电压; 并且保持薄膜晶体管的栅极处的电压不变并且将薄膜晶体管的漏极处的电压控制为等于薄膜晶体管的源极处的电压。

公开(公告)号：US20140132905A1

公开(公告)日：2014-05-15

申请号：US14071695

申请日：2013-11-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunfang ZHANG ,  Hee cheol KIM ,  Yan WEI ,  Chao XU

IPC: H01L29/786 ,  H01L29/66

CPC classification number: H01L29/41733 ,  H01L29/66765 ,  H01L29/78669

Abstract: The present invention relates to an array substrate and a manufacture method of the same, a liquid crystal display panel, and a display device, which are relative to a liquid crystal display field. Further, source electrodes and drain electrodes of the array substrate are arranged on different layers. In the manufacture method of the array substrate, the source electrodes and the drain electrodes are formed on different layers by two patterning processes. According to the technical scheme of the present invention, a length of a channel between the source electrodes and the drain electrodes can be decreased as much as possible, thereby increasing a start current Ion of a TFT.

Abstract translation: 本发明涉及相对于液晶显示领域的阵列基板及其制造方法，液晶显示面板和显示装置。 此外，阵列基板的源电极和漏极布置在不同的层上。 在阵列基板的制造方法中，通过两个图案化工艺在不同的层上形成源电极和漏电极。 根据本发明的技术方案，可以尽可能地减少源极和漏电极之间的沟道的长度，从而增加TFT的起始电流Ion。

公开(公告)号：US20190333447A1

公开(公告)日：2019-10-31

申请号：US16251903

申请日：2019-01-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengchung YANG ,  Kuanjun PENG ,  Wei QIN ,  Zhiqiang XU ,  Yan WEI

IPC: G09G3/3233

Abstract: A display method includes: determining whether there is a dynamic part in a current frame of picture, according to image data of a previous frame of picture and the current frame of picture; in a case where there is no dynamic part in the current frame of picture, in a display stage of the current frame of picture, providing a first light emitting control signal being always at an effective electric level state to each of pixel units of a display panel; in a case where there is a dynamic part in the current frame of picture, in the display stage of the current frame of picture, providing a second light emitting control signal, including a part at an effective electric level state and a part at a non-effective electric level state, to pixel units corresponding to at least a part of the dynamic part.

公开(公告)号：US20170328703A1

公开(公告)日：2017-11-16

申请号：US15516734

申请日：2016-05-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengbao DUN ,  Zhongbao WU ,  Li SUN ,  Hangman LAI ,  Yan WEI ,  Zhiying ZHANG ,  Weili ZHAO

IPC: G01B11/14 ,  G02B27/22 ,  G01J1/42 ,  G01J3/50 ,  H04N13/04 ,  G09G3/00

CPC classification number: G01B11/14 ,  G01J1/42 ,  G01J3/506 ,  G01M11/02 ,  G02B27/2228 ,  G09G3/006 ,  G09G2320/066 ,  H04N13/327 ,  H04N17/04

Abstract: A measuring method and a measuring system are used for measuring contrast of a display device, including controlling the display device to display a first image, measuring brightness of a central area of the first image, controlling the display device to display a second image, measuring brightness of a central area of the second image, and determining the contrast. Both the first image and the second image have a plurality of areas with different gray scales, the first image includes a maximum gray scale area, and the second image includes a minimum gray scale area.

公开(公告)号：US20140092079A1

公开(公告)日：2014-04-03

申请号：US13948338

申请日：2013-07-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chao XU ,  Chungfang ZHANG ,  Yan WEI ,  Heecheol KIM

IPC: G09G3/36 ,  H01L23/48

CPC classification number: G09G3/3696 ,  G02F1/136286 ,  G09G2320/0209 ,  H01L23/48 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The present disclosure provides a Thin Film Transistor Array Substrate and a Liquid Crystal Display apparatus thereof, and relates to the technical field of liquid crystal displaying. The Thin Film Transistor Array Substrate of the present disclosure includes a plurality of gate lines and a plurality of data lines, wherein regions surrounded by the gate lines and the data lines are pixel regions, and wherein a high level common voltage line being used when signal on the data line is at a low level and a low level common voltage lines being used when signal on the data line is at a high level are also arranged in parallel to the gate lines in each of the pixel regions. With the Thin Film Transistor Array Substrate of the present disclosure, the Greenish phenomenon in the existing liquid crystal display apparatus may be effectively solved.

Abstract translation: 本发明提供一种薄膜晶体管阵列基板及其液晶显示装置，涉及液晶显示技术领域。 本公开的薄膜晶体管阵列基板包括多条栅极线和多条数据线，其中由栅极线和数据线包围的区域是像素区域，并且其中当信号被使用时使用高电平公共电压线 在数据线上的信号处于高电平时，在数据线处于低电平并且使用低电平公共电压线，并行地布置在每个像素区域中的栅极线上。 利用本公开的薄膜晶体管阵列基板，可以有效地解决现有液晶显示装置中的绿色现象。

公开(公告)号：US20180012885A1

公开(公告)日：2018-01-11

申请号：US15710014

申请日：2017-09-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunfang ZHANG ,  Yan WEI ,  Chao XU ,  Heecheol KIM

IPC: H01L27/02 ,  H01L29/417 ,  H01L27/12 ,  H01L29/786

CPC classification number: H01L27/0266 ,  H01L27/1214 ,  H01L27/124 ,  H01L27/1259 ,  H01L29/41733 ,  H01L29/78633

Abstract: Embodiments of the invention provide an array substrate, a display device and a manufacturing method of the array substrate. The array substrate comprises a substrate (10) and a plurality of electrostatic discharge short-circuit rings (20) provided on the substrate. Each of the electrostatic discharge short-circuit rings (20) comprises a gate electrode (22), a gate insulating layer (26), an active layer (21), a source electrode (23), a drain electrode (24) and a passivation layer (30). Each of the electrostatic discharge short-circuit ring (20) further comprises a transparent conductive layer (25) for connecting the gate electrode (22) and the drain electrode (24), and the transparent conductive layer (25) is provided below the passivation layer (30).