公开(公告)号：US20210012713A1

公开(公告)日：2021-01-14

申请号：US16916701

申请日：2020-06-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tian Dong

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: Embodiments of the present disclosure provide a pixel driving circuit and a driving method thereof, a display panel, and a display device. The pixel driving circuit comprises: a driving transistor connected to a first node, a first power supply voltage terminal and one end of a light emitting unit; a switching subcircuit connected to a first scanning terminal, the first node and a data voltage terminal; and a compensation subcircuit connected to the first node, a second scanning terminal, a first voltage terminal and a reference voltage terminal.

公开(公告)号：US20200380903A1

公开(公告)日：2020-12-03

申请号：US16623989

申请日：2019-07-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tian Dong ,  Li Wang ,  Qian Yang

IPC: G09G3/20

Abstract: A pixel structure is disclosed structure includes: a plurality of scanning lines; a plurality of data lines intersecting the plurality of scanning lines; and a plurality of sub-pixels which are located at respective intersections of the plurality of scanning lines and the plurality of data lines and are arranged in rows and columns. (4n+1)th and (4n+2)th data lines of the plurality of data lines are located on opposite sides of a (2n+1)th column of sub-pixels respectively. (4n+3)th and (4n+4)th data lines of the plurality of data lines are located on opposite sides of a (2n+2)th column of sub-pixels respectively. The (4n+2)th and (4n+3)th data lines of the plurality of data lines are located between the (2n+1)th column of sub-pixels and the (2n+2)th column of sub-pixels, where n is an integer greater than or equal to 0.

公开(公告)号：US20200251057A1

公开(公告)日：2020-08-06

申请号：US16855131

申请日：2020-04-22

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuo Sun ,  Tian Dong ,  Guoqiang Ma

IPC: G09G3/3275 ,  G09G3/3233 ,  G09G3/3266

Abstract: A signal control apparatus and method, a display control apparatus and method, and a display apparatus are provided. The display apparatus includes M rows by N columns of pixel driving circuits arranged in an array, the M pixel driving circuits of each column are grouped into at least a first group of pixel driving circuits and a second group of pixel driving circuits, M and N are integer and N is larger than 2. The first group of pixel driving circuits connect to a first data line to receive a data signal, and the second group of pixel driving circuits connect to a second data line to receive a data signal. The signal control apparatus includes a phase shifting circuit which provides a scanning signal to a pixel driving circuit; and a write control circuit which provides a data signal from a data signal terminal to a pixel driving circuit.

公开(公告)号：US20200058250A1

公开(公告)日：2020-02-20

申请号：US16395136

申请日：2019-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian Dong ,  Shiming Shi

IPC: G09G3/3225 ,  G09G3/3275

Abstract: The present disclosure provides a driving method, a display panel and a control method thereof. The driving circuit is configured to drive pixel circuits arranged in an array. The driving circuit includes a plurality of driving modules and a plurality of data writing modules. Each of the plurality of driving modules is connected to two adjacent rows of the pixel circuits through a controlling line and is configured to drive the two adjacent rows of the pixel circuits simultaneously. Each of the plurality of data writing modules is connected to a data line and one column of the pixel circuits, respectively, and is configured to write display data of the data line into a pixel circuit of odd row and a pixel circuit of even row in the one column of pixel circuits in a time sharing manner in response to the driving modules driving the pixel circuits.

公开(公告)号：US10388218B2

公开(公告)日：2019-08-20

申请号：US15558121

申请日：2017-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tian Dong

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3208

Abstract: A pixel circuit, a display panel and a driving method are described. The pixel circuit includes: a light-emitting circuit configured for emitting light during a working period; a driving circuit configured for driving the light-emitting circuit; a compensating circuit configured for compensating the driving circuit; a data writing circuit configured for writing data to the driving circuit; a reset circuit configured for resetting the compensating circuit and the driving circuit; a first light-emitting control circuit configured for controlling ON and OFF of the light-emitting circuit.

公开(公告)号：US10381591B2

公开(公告)日：2019-08-13

申请号：US15544951

申请日：2017-02-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian Dong

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00

Abstract: The present disclosure provides an OLED device and a method for manufacturing the same, an array substrate and a display device. The OLED device includes an anode and a cathode and a light emitting functional layer interposed between the anode and the cathode, wherein a photoinduced electron film layer is formed on a side of the cathode away from the light emitting functional layer, the photoinduced electron film layer is able to generate photoinduced electrons, and the photoinduced electrons are transferable from the photoinduced electron film layer to the cathode.