公开(公告)号：US20200234647A1

公开(公告)日：2020-07-23

申请号：US16839580

申请日：2020-04-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi Cheng LIN ,  Quanhu LI ,  Cuili GAI ,  Yu WANG ,  Mingi CHU ,  Chien Pang HUANG

IPC: G09G3/3258 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display panel, a display device, and a compensating method are disclosed. The display panel includes: a plurality of sub-pixels arranged in rows and columns, a plurality of data lines connected to the plurality of sub-pixels, and a plurality of sensing driving lines connected to the plurality of sub-pixels, each of plurality of the sub-pixels includes a pixel circuit; the plurality of sub-pixels constitute a plurality of pixel units, the plurality of pixel units are arranged in a plurality of rows and a plurality of columns, and each of the plurality of pixel units includes four sub-pixels; pixel circuits of the four sub-pixels are connected to a same data line of the plurality of data lines; and the pixel circuits of the four sub-pixels are connected to four sensing driving lines of the plurality of sensing driving lines in a one-to-one correspondence manner.

公开(公告)号：US20200161402A1

公开(公告)日：2020-05-21

申请号：US16619446

申请日：2019-05-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling WANG ,  Yicheng LIN ,  Cuili GAI ,  Pan XU

IPC: H01L27/32 ,  H01L29/786 ,  H01L29/417 ,  H01L23/522 ,  H01L27/12 ,  H01L29/66

Abstract: A thin film transistor includes: a substrate base; a first gate electrode at a side of the substrate base; an active layer at a side of the first gate electrode away from the substrate base; a second gate electrode at a side of the active layer away from the substrate base; and a source/drain electrode at a side of the second gate electrode away from the substrate base. An orthographic projection of the source/drain electrode on the substrate base is at least partially overlapped with an orthographic projection of the second gate electrode on the substrate base.

公开(公告)号：US20190180687A1

公开(公告)日：2019-06-13

申请号：US16022756

申请日：2018-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili GAI ,  Yi Cheng LIN ,  Ling WANG ,  Baoxia ZHANG ,  Pan XU

IPC: G09G3/3258 ,  G09G3/3233

Abstract: The present disclosure provides an OLED pixel driving circuit, a driving method thereof and a display device including the same. The OLED pixel driving circuit includes: a first transistor, providing driving current to an organic light emitting diode, and comprising a first terminal, second terminal and control terminal coupled to a first node, second node and third node respectively; a power switch unit, coupled between a power supply voltage and the second node; a first switch unit, coupled between a data line and a fourth node to couple a data voltage signal from the data line to the fourth node; a second switch unit, coupled between the third node and the second node to enable the first transistor connected as a diode; a first capacitor, coupled between the fourth node and the first node; and a second capacitor, coupled between the fourth node and the second node.

公开(公告)号：US20190164464A1

公开(公告)日：2019-05-30

申请号：US16174848

申请日：2018-10-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Baoxia ZHANG ,  Ling WANG ,  Cuili GAI

IPC: G09G3/20 ,  H01L27/02 ,  G05F3/08

Abstract: A reference voltage circuit, a reference voltage supply main circuit and a display device are provided. The reference voltage circuit includes N first voltage lines and M second voltage lines configured to receive first and second voltages, respectively, and a resistance circuit including M resistors. A m-th resistor includes P first sub-resistors, and first and second terminals of a p-th one of the first sub-resistors is connected to a p-th one of the first voltage lines and a m-th one of the second voltage lines; a resistance value of each first sub-resistor is larger than that of each first voltage line, P is a positive integer smaller than or equal to N, m is a positive integer smaller than or equal to M, and p is a positive integer smaller than or equal to P.

公开(公告)号：US20190051243A1

公开(公告)日：2019-02-14

申请号：US15570928

申请日：2017-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanhu LI ,  Yongqian LI ,  Pan XU ,  Yu WANG ,  Song MENG ,  Fei YANG ,  Baoxia ZHANG ,  Cuili GAI ,  Ling WANG ,  Yicheng LIN ,  Kun CAO ,  Longyan WANG ,  Yue WU

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/20 ,  G09G3/3275 ,  H01L27/32

Abstract: A pixel driving circuit, a pixel driving method, an array substrate, a display device, and a display panel are disclosed. The pixel driving circuit includes a switching subcircuit, a plurality of clock signal lines, a data writing subcircuit and a driving subcircuit.

公开(公告)号：US20190035334A1

公开(公告)日：2019-01-31

申请号：US15781937

申请日：2017-12-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi-Cheng LIN ,  Quanhu LI ,  Cuili GAI ,  Yu WANG ,  Mingi CHU ,  Chien Pang HUANG

IPC: G09G3/3258 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display panel, a display device and a compensating method are disclosed. The display panel includes: a plurality of sub-pixels arranged in rows and columns, each of the sub-pixels includes a pixel circuit; a plurality of sensing driving lines respectively connected with pixel circuits of the plurality of sub-pixels; and a sensing driver connected with the plurality of sensing driving lines. The pixel circuit includes a light emitting element, the sensing driver is configured to sense electrical parameters of light emitting elements of the pixel circuits of the plurality of sub-pixels through the plurality of sensing driving lines, and the sensing driver is configured to generate compensation signals according to the electrical parameters, and transmit the compensation signals to the pixel circuits of the plurality of sub-pixels through the plurality of sensing driving lines.

公开(公告)号：US20170200428A1

公开(公告)日：2017-07-13

申请号：US15320649

申请日：2016-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna SONG ,  Song MENG ,  Cuili GAI ,  Zhongyuan WU

IPC: G09G5/02 ,  G09G5/00

CPC classification number: G09G5/02 ,  G09G3/2003 ,  G09G5/003 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2340/0407

Abstract: The present disclosure discloses a pixel arrangement structure, an array substrate, a display apparatus and a display control method. The display control method includes obtaining a first grayscale value, a second grayscale value, a third grayscale value and a fourth grayscale value of a blue sub-pixel of four pixel units in a repeating unit; and calculating an actual display value of the blue sub-pixel based on the first grayscale value, the second grayscale value, the third grayscale value and the fourth grayscale value.

公开(公告)号：US20160148555A1

公开(公告)日：2016-05-26

申请号：US15008971

申请日：2016-01-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhuo ZHANG ,  Cuili GAI

IPC: G09G3/20 ,  G09G3/34

CPC classification number: G09G3/2074 ,  G02F1/167 ,  G02F2001/1676 ,  G09G3/2003 ,  G09G3/2081 ,  G09G3/344 ,  G09G5/10 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/0205 ,  G09G2310/0224 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/0252

Abstract: Embodiments of the present invention relate to an electronic paper display device and its driving method. The electronic paper display device comprises a plurality of pixels. Each of the pixels includes at least two thin film transistors, and each thin film transistor is electrically connected to a corresponding data line and a corresponding gate line respectively, and within one refresh cycle, is turned on once separately. Embodiments of the invention can make refresh rate quicker and requirement on storage capacitance lower so as to achieve faster grayscale refresh.

Abstract translation: 本发明的实施例涉及一种电子纸显示装置及其驱动方法。 电子纸显示装置包括多个像素。 每个像素包括至少两个薄膜晶体管，并且每个薄膜晶体管分别电连接到对应的数据线和相应的栅极线，并且在一个刷新周期内单独地导通。 本发明的实施例可以使刷新率更快，并且对存储电容的要求降低，以便实现更快的灰度刷新。