公开(公告)号：US20240127724A1

公开(公告)日：2024-04-18

申请号：US18276687

申请日：2021-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui ZHANG ,  Changfeng LI ,  Kai HOU ,  Liwei LIU ,  Hongrun WANG ,  Yunsik IM ,  Shunhang ZHANG ,  Kuanjun PENG

IPC: G09G3/00 ,  G09G3/36

CPC classification number: G09G3/001 ,  G09G3/3607 ,  G09G2300/0452 ,  G09G2310/0262 ,  G09G2310/0281 ,  G09G2310/0283 ,  G09G2310/0297 ,  G09G2330/021 ,  G09G2340/00 ,  G09G2354/00 ,  G09G2370/00

Abstract: A display panel, a display device, and a method for driving the display device are disclosed. The display panel includes a base substrate, a plurality of data lines, a plurality of scanning lines, a plurality of sub-pixels, a plurality of data selection control lines, a plurality of data input lines, and a plurality of data selection circuits. The data selection circuits include at least two multiplexers; in each data selection circuit, input terminals of different multiplexers are coupled to different data input lines, control terminals of different multiplexers are coupled to different data selection control lines, and the ith output terminals of different multiplexers are coupled to the same data line; in two adjacent data selection circuits, two multiplexers coupled to different data selection control lines are coupled to the same data input line.

公开(公告)号：US20230013848A1

公开(公告)日：2023-01-19

申请号：US17783207

申请日：2021-05-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lubin SHI ,  Wanpeng TENG ,  Liang CHEN ,  Bin QIN ,  Ke WANG ,  Jintao PENG ,  Fangzhen ZHANG ,  Kuanjun PENG

IPC: H01L27/32

Abstract: A display panel has a display region and a fan-out lead region, the fan-out lead region is located within the display region. The display panel comprises a base, a pixel circuit layer, a plurality of fan-out leads disposed between the base and the pixel circuit layer and located in the fan-out lead region, and an electrical field shielding pattern disposed between the pixel circuit layer and a film layer in which the plurality of fan-out leads are located. The pixel circuit layer includes a plurality of pixel circuits, at least one pixel circuit is located in the fan-out lead region. At least one fan-out lead is electrically connected to the pixel circuits. Orthographic projection of active layer patterns of transistors of the pixel circuit located in the fan-out lead region on the base are located within an orthographic projection of the electric field shielding pattern on the base.

公开(公告)号：US20220163843A1

公开(公告)日：2022-05-26

申请号：US17517278

申请日：2021-11-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao LI ,  Wenqing ZHAO ,  Jing YU ,  Kuanjun PENG

IPC: G02F1/1335

Abstract: Provided are a display module, a display device and a display method. The display module includes a display panel and a lens layer on a light-exiting side of the display panel, and the display panel includes an array substrate and a color film substrate. The array substrate includes a plurality of pixel islands arranged in an array, and each pixel island includes a plurality of sub-pixels arranged in a first direction. The color film substrate includes a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each pixel island corresponds to one color filter element. The lens layer includes a plurality of cylindrical lenses arranged consecutively in the first direction, each cylindrical lens corresponds to a pixel island, and the pixel island is arranged on a focal plane of the corresponding cylindrical lens.

公开(公告)号：US20210280132A1

公开(公告)日：2021-09-09

申请号：US17327937

申请日：2021-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Kuanjun PENG ,  Chengchung YANG ,  Xiangxiang ZOU ,  Wei QIN

IPC: G09G3/3233

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

公开(公告)号：US20200302867A1

公开(公告)日：2020-09-24

申请号：US16769420

申请日：2019-11-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Kuanjun PENG ,  Wei QIN ,  Zhiqiang XU ,  Tieshi WANG ,  Xiaolong LI ,  Jintao PENG

IPC: G09G3/3258 ,  G09G3/3275

Abstract: A pixel driving circuit and a driving method thereof, and a display panel are provided. The pixel driving circuit includes a driving sub-circuit, a reset sub-circuit, a light-emitting control sub-circuit, and a first compensation sub-circuit, the reset sub-circuit, the light-emitting control sub-circuit, and the first compensation sub-circuit are configured to, in an initialization phase, under control of a first driving signal and a second driving signal, provide the first power supply voltage provided by the first power supply input terminal to the control terminal of the driving sub-circuit; the first terminal of the driving sub-circuit is connected to the second power supply input terminal to receive the second power supply voltage; and the first power supply voltage and the second power supply voltage are configured to cause the driving sub-circuit to be in an on-bias state in the initialization phase.

公开(公告)号：US20200286926A1

公开(公告)日：2020-09-10

申请号：US16630657

申请日：2019-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan NIU ,  Jiushi WANG ,  Lei CHEN ,  Hongwei TIAN ,  Zhanfeng CAO ,  Feng GUAN ,  Feng ZHANG ,  Shi SHU ,  Kuanjun PENG ,  Yichi ZHANG ,  Qi QI

IPC: H01L27/12 ,  H01L21/02 ,  H01L29/66 ,  H01L29/786

Abstract: The present disclosure provides a display backplane and a method for manufacturing the same, a display panel, and a display device. The display backplane includes: a substrate; a first thin film transistor located on one side of the substrate; and a second thin film transistor located on the one side of the substrate, wherein: the first thin film transistor comprises a first active layer, the second thin film transistor comprises a second active layer, wherein the first active layer and the second active layer are located in a same layer, and a material of the first active layer is different from that of the second active layer.

公开(公告)号：US20200226965A1

公开(公告)日：2020-07-16

申请号：US16482107

申请日：2018-09-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanhui XI ,  Bin DAI ,  Xiaomang ZHANG ,  Yan SUN ,  Kuanjun PENG ,  Haijun NIU ,  Xiaolong LI ,  Donghui WANG

IPC: G09G3/20

Abstract: Disclosed is a primary color conversion method, which may expand primary color signals that are applicable to a display device. The primary color conversion method includes: acquiring color coordinates and a brightness value of a first color in a first color gamut having M primary colors according to gray-scale values of the M primary colors corresponding to the first color; and mapping the color coordinates and the luminance value of the first color in the first color gamut to color coordinates and a brightness value of a second color corresponding to the first color in a second color gamut having N primary colors. 3≤M, 3≤N, M is different from N, and M and N are positive integers.

公开(公告)号：US20200143732A1

公开(公告)日：2020-05-07

申请号：US16473543

申请日：2018-11-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanhui XI ,  Bin DAI ,  Xiaomang ZHANG ,  Yan SUN ,  Haijun NIU ,  Kuanjun PENG ,  Yuxin BI ,  Donghui WANG

IPC: G09G3/20

Abstract: The present application provides a multiple primary color conversion method, including: determining color triangles according to color coordinates of a target color; computing grayscale components of l primary colors corresponding to the target color in the color triangles; in step S130, obtaining initial grayscales of l primary colors; in step S140, judging whether there is an overflow grayscale; if yes, then performing step S160, if no, then performing step S150; in step S150, adjusting initial brightness components corresponding to grayscale components of the same primary color as the overflow grayscale, computing grayscale components of l primary colors in color triangles including the primary color of the overflow grayscale, and performing steps S130 and S140; in step S160, determining the initial grayscales of l primary colors as grayscales of l primary colors of the target color.

公开(公告)号：US20190189054A1

公开(公告)日：2019-06-20

申请号：US16214887

申请日：2018-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengchung YANG ,  Xueling GAO ,  Kuanjun PENG

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0257 ,  H01L27/3244

Abstract: The present disclosure discloses a pixel circuit and a driving method thereof, a display substrate and a display device, the pixel circuit includes: an initialization sub-circuit, a writing compensation sub-circuit, a light-emitting enabling sub-circuit, a light-emitting device, and a driving sub-circuit, the light-emitting enabling sub-circuit is configured to couple the driving sub-circuit to the light-emitting device under control of an enabling signal terminal. The initialization sub-circuit is configured to input a voltage of an initial voltage terminal to a gate of a driving transistor in the driving sub-circuit under control of a reset signal terminal to initialize the driving sub-circuit. The writing compensation sub-circuit is configured to input, under control of a scanning signal terminal, a data voltage output from a data signal terminal to the driving sub-circuit to perform data compensation on the driving sub-circuit.

公开(公告)号：US20190130833A1

公开(公告)日：2019-05-02

申请号：US15977450

申请日：2018-05-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Cheng Chung Yang ,  Kuanjun PENG ,  Xiangxiang ZOU ,  Yang Yang

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291

Abstract: A pixel circuit and a driving method thereof, and a display device. The pixel circuit includes a pixel unit and a bias-voltage regulating circuit. The pixel unit includes: a driving circuit configured to generate a driving current according to a control voltage at a light-emitting stage; a light-emitting control circuit configured to output the driving current to drive the light-emitting device to emit light at the light-emitting stage; a data writing circuit configured to write a data voltage into the driving circuit; a reset circuit configured to reset the driving circuit under control of a reset voltage, and to reset the light-emitting device under control of a gate line; and a bias-voltage regulating circuit configured to, before the data writing circuit writes the data voltage into the driving circuit, perform bias voltage regulation on the driving circuit to control the pixel unit to be in a bias voltage state.