公开(公告)号：US20250069561A1

公开(公告)日：2025-02-27

申请号：US17602795

申请日：2021-07-26

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

Inventor： Fengcheng XU ,  Jinfeng LIU

IPC: G09G3/36 ,  G09G3/20

Abstract: The present invention provides a driving circuit and a driving method of the driving circuit, which includes a plurality of circuit units each including a first resistor and a second resistor, in which the resistance of the first resistor is less than the resistance of the second resistor, the plurality of circuit units divide a plurality of first reference voltages into a plurality of divided voltages corresponding to a plurality of grayscales, and the divided voltages are provided for the pixel units; and a controller, configured to select the second resistor of a selected circuit unit to be connected when the pixel unit needs to be driven by a second reference voltage.

公开(公告)号：US12232344B2

公开(公告)日：2025-02-18

申请号：US17621201

申请日：2021-11-08

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

Inventor： Jinhui Gong

IPC: H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K71/12

Abstract: An electroluminescent device and a manufacturing method therefor are provided. The electroluminescent device includes an anode, a hole function layer, a quantum dot emission layer, an electron function layer, and a cathode that are sequentially stacked. The quantum dot emission layer is doped with a carrier transport material. The carrier transport material doped in the quantum dot emission layer not only can improve the conductivity of the quantum dot light emitting material and facilitate the injection and the transport of carriers, but also can increase the recombination probability of the carriers.

公开(公告)号：US12216956B2

公开(公告)日：2025-02-04

申请号：US17622810

申请日：2021-12-20

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

Inventor： Qian Wang

IPC: G06F3/14 ,  G06T3/4007 ,  G06T5/73 ,  H04N7/01

Abstract: A splice screen driving method, a splice screen driving device, an electronic device, and computer-readable medium are provided. According to a size of a filling screen in a splice screen, an initial video signal is expanded to obtain a first video signal that drives the filling screen. The second video signal corresponding to the filling screen in the first video signal is sharpened and filtered to improve a clarity of a picture at a connection of a sub-display and the filling screen, to solve a problem of picture blur.

公开(公告)号：US20240393637A1

公开(公告)日：2024-11-28

申请号：US17642993

申请日：2022-03-01

Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. ,  TCL China Star Optoelectronics Technology Co., Ltd.

Inventor： Weiheng YANG ,  Gang LIU ,  Wei WANG

IPC: G02F1/1335

Abstract: A display panel including a polarizer and an anti-glare and anti-reflection layer. The anti-glare and anti-reflection layer includes a hardened layer, a first matte particle layer including a plurality of first matte particles, and a second matte particles layer including a plurality of second matte particles. The first matte particles and the second matte particles are dispersed in the hardened layer. The second matte particle layer is positioned between the first matte particle layer and the polarizer body. An average refractive index of the first matte particles is less than an average refractive index of the second matte particles.

公开(公告)号：US12150257B2

公开(公告)日：2024-11-19

申请号：US17790256

申请日：2022-06-29

Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.

Inventor： Jianji Zhang

IPC: H05K5/00 ,  H05K5/03

Abstract: The present provides a foldable display device. When the foldable display device folds, the foldable display device is in an umbrella-like the folding state to reduce a size of the foldable display device in the folding state, which has an advantage of convenience of carrying.

公开(公告)号：US12124138B2

公开(公告)日：2024-10-22

申请号：US17600125

申请日：2021-07-09

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

Inventor： Wanchun Wu

IPC: G02F1/1362 ,  G02F1/1343

CPC classification number: G02F1/13624 ,  G02F1/134336 ,  G02F1/136213 ,  G02F1/136286 ,  G02F2201/40

Abstract: The present disclosure discloses a liquid crystal display (LCD) panel and a display device. Two thin film transistors (TFT) are disposed in a sub-pixel of the LCD panel. A quantity of the TFTs is reduced, and an aperture ratio of the pixel is increased. A third capacitor is connected in series between a TFT in a sub-area and a liquid crystal capacitor in the sub-area. A voltage of the sub-area declines with an increase in capacitors. Therefore, a deflection angle of liquid crystal molecules in a main area is greater than a deflection angle of liquid crystal molecules in the sub-area, forming different viewing angles. In this way, a color shift is resolved.

公开(公告)号：US12117685B2

公开(公告)日：2024-10-15

申请号：US17593801

申请日：2021-07-13

Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.

Inventor： Dongchen Huang ,  Yinghui Wu ,  Yuexia Lin

IPC: G02F1/1335 ,  G02F1/1334

CPC classification number: G02F1/133512 ,  G02F1/13345 ,  G02F1/133514

Abstract: The present application provides a display panel and an electronic device. The display panel includes a panel body, a light control layer, first light source, and a light sensor. The panel body includes a plurality of openings positioned in a first display region and a second display region. The openings in the second display region are provided with a plurality of color resists. The openings in the first display region are hollowed. The light control layer includes an optical layer including a matte state and a transparent state. The light sensor is disposed under the optical layer. At least part of the light sensor corresponds to the hollowed openings.

公开(公告)号：US12113073B2

公开(公告)日：2024-10-08

申请号：US17618488

申请日：2021-11-25

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

Inventor： Xu Huang

IPC: H01L27/12

CPC classification number: H01L27/1225 ,  H01L27/127

Abstract: Provided are an array substrate, a manufacturing method thereof and a display panel; the array substrate includes a thin film transistors disposed on a base substrate, and a conductive channel of the thin film transistor is formed on a contact surface of the first semiconductor layer and the second semiconductor layer. It can avoid the interface defect state caused by the material difference when the existing conductive channel is formed on the side of the semiconductor layer close to the insulating layer, thereby solving the problem of poor lighting stability in the existing oxide semiconductor thin film transistor.

公开(公告)号：US12072579B2

公开(公告)日：2024-08-27

申请号：US17754254

申请日：2022-02-25

Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.

Inventor： Jiao Wang

IPC: G02F1/00 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133614 ,  G02F1/133603 ,  G02F1/133605

Abstract: The present application provides a backlight module and a display device, including a light source component, a quantum dot component, and a wavelength-band-light-reflecting component being arranged in a stack. The wavelength-band-light-reflecting component reflects light emitted by the quantum dot component in a specific band range, so as to reduce full width at half maximum of the light. The present application reduces the full width at half maximum of monochromatic light by arranging the wavelength-band-light-reflecting component reflecting light in the specific band range, thereby increasing gamut of a display module.

公开(公告)号：US12062315B2

公开(公告)日：2024-08-13

申请号：US17622885

申请日：2021-12-20

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

Inventor： Yong Lei

IPC: G09G3/20

CPC classification number: G09G3/2007 ,  G09G2320/0247

Abstract: The present application provides a display device driving method and a display device. In the display device driving method, when optimal common voltages of other grayscales are determined using an optimal common voltage of a standard grayscale, and when grayscale shift occurs in the other grayscales, the optimal common voltages of the other grayscales are corrected, so that correct common voltages can be adopted when the display device is driven, and problems such as screen flicker caused by the grayscale shift in the display device are prevented.