公开(公告)号：US11877365B2

公开(公告)日：2024-01-16

申请号：US17048636

申请日：2020-08-10

Applicant: TCL China Star Optoelectronics Technology Co., Ltd.

Inventor： Kaifeng Zhou

IPC: H05B45/34 ,  H05B45/54 ,  F21V8/00

CPC classification number: H05B45/34 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0073 ,  H05B45/54

Abstract: A light-emitting diode (LED) backlight driving circuit is provided. The LED backlight driving circuit includes M LED light-emitting unit groups connected in series and each of the LED light-emitting unit groups includes N LED light-emitting units connected in parallel, where both N and M are an integer greater than 1, wherein each of the LED light-emitting units is connected in series with at least a variable resistor with variable resistance for balancing a voltage difference. The present application further provides a backlight module and a liquid crystal display device manufactured using the LED backlight driving circuit.

公开(公告)号：US11823633B2

公开(公告)日：2023-11-21

申请号：US17045493

申请日：2020-08-04

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Kaifeng Zhou ,  Meng Wang

IPC: G09G3/00 ,  G09G3/34

CPC classification number: G09G3/3406 ,  G09G2320/045 ,  G09G2330/08

Abstract: The present application provides a mini light-emitting diode (mini-LED) backlight module and a display device. The mini-LED backlight module includes a plurality of separate backlight regions. Each of the separate backlight regions is provided with at least two LEDs. Each branch of the LEDs is connected to a protective circuit. The protective circuit includes a rectifier module connected in series with the LED, and a control module connected to the rectifier module and an output end of the LED.

公开(公告)号：US11714502B2

公开(公告)日：2023-08-01

申请号：US17251876

申请日：2020-10-27

Applicant: TCL China Star Optoelectronics Technology Co., Ltd.

Inventor： Kaifeng Zhou

IPC: G06F3/041 ,  G06F3/046

CPC classification number: G06F3/0412 ,  G06F3/046

Abstract: The present application provides a touch display panel and a display device. The touch display panel includes a substrate and a plurality of pixel electrodes. The plurality of pixel electrodes are disposed on the substrate in an array, wherein each of the pixel electrodes includes a first trunk portion and a second trunk portion that are arranged intersecting with each other. The present application realizes touch display integration of the touch display panel by setting a first touch electrode corresponding to the first trunk portion and setting a second touch electrode corresponding to the second trunk portion on the substrate.

公开(公告)号：US20230152627A1

公开(公告)日：2023-05-18

申请号：US17050110

申请日：2020-07-17

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Kaifeng Zhou

IPC: G02F1/13357 ,  G02F1/1333

CPC classification number: G02F1/133608 ,  G02F1/133314 ,  G02F1/133603

Abstract: A backlight module and a method of manufacturing thereof are provided. The backlight module includes at least one backplane assembly. Each backplane assembly includes: a first backplane, including a first binding surface; and a second backplane, including a second binding surface. Moreover, the first binding surface is attached to the second binding surface.