公开(公告)号：US20210088840A1

公开(公告)日：2021-03-25

申请号：US16308482

申请日：2018-09-22

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

Inventor： Chaoqun Yang ,  Changchih Huang

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/13357 ,  G03F7/00

Abstract: The present invention teaches a method of having a built-in polarizer in a LCD panel, a LCD device, and a LCD device manufacturing method. The method of having built-in polarizer in a LCD panel taught by the present invention uses a nano imprinting technique to form a wire-grid built-in polarizer. The built-in polarizer, when applied to a LCD device, is able to resolve the QDCF-based product's difficulty in controlling light's on and off and to enhance backlight utilization efficiency. The built-in polarizer has a sandwich structure where a metallic wire grid layer is sandwiched between a first inorganic protection layer and a second inorganic protection layer, preventing the metallic wire grid layer from erosion by oxidation and enhancing the operation life of the built-in polarizer.

公开(公告)号：US12204186B2

公开(公告)日：2025-01-21

申请号：US17605054

申请日：2021-09-07

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

Inventor： Rui He ,  Wei Cheng ,  Changchih Huang

IPC: G02F1/13 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/137

Abstract: A privacy filter, a display panel, and a display device are provided. The display panel includes a panel body, and a first polarizer, a dimming liquid crystal layer, and a second polarizer that are sequentially disposed on one side of the panel body. The dimming liquid crystal layer includes a plurality of polymer networks and a plurality of liquid crystal molecules distributed in the polymer networks, wherein the plurality of polymer networks are arranged in a first direction, the first direction tilts relative to a normal direction of the first polarizer, and an optical axis direction of the first polarizer is parallel to an optical axis direction of the second polarizer.

公开(公告)号：US12085801B2

公开(公告)日：2024-09-10

申请号：US17284487

申请日：2021-03-31

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

Inventor： Rui He ,  Wei Cheng ,  Changchih Huang ,  Guanghui Liu

IPC: G02F1/13357 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1335 ,  G06V40/13

CPC classification number: G02F1/133603 ,  G02F1/13338 ,  G02F1/1334 ,  G02F1/133512 ,  G02F1/133605 ,  G02F1/133607 ,  G06V40/1318

Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a first optical element which can switch between a transparent state and a scattering state, first light sources, and a light-shielding layer disposed on a light path of light emitted from the first light sources to a liquid crystal display panel. The light-shielding layer includes a plurality of gratings arranged at intervals, each of the gratings is made of a light-shielding material, and one light transmission gap is formed between any two adjacent gratings, thereby improving uniformity of backlight.

公开(公告)号：US11988862B2

公开(公告)日：2024-05-21

申请号：US17051480

申请日：2020-06-23

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

Inventor： Chihyuan Hou ,  Changchih Huang

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02B6/0056 ,  G02B6/004 ,  G02B6/0051 ,  G02B6/0055 ,  G02F1/13362 ,  G02F1/136222 ,  G02F1/1368

Abstract: A liquid crystal panel and a method of fabricating the same are described. The liquid crystal panel has: a backlight module and an array substrate facing each other; and a first metal wire gate layer disposed between the backlight module and the array substrate, wherein the first metal wire gate layer is formed through a nano-imprinting step to have a thickness greater than zero and less than or equal to 0.1 mm, the first metal wire gate layer has a plurality of first metal wires, a distance between the plurality of first metal wires is greater than zero and less than 120 nm, and each of the plurality of first metal wires has a width greater than zero and less than 60 nm. The liquid crystal panel can reduce a thickness of the fabricated liquid crystal panel.

公开(公告)号：US11886072B2

公开(公告)日：2024-01-30

申请号：US17259615

申请日：2020-11-23

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

Inventor： Qian Deng ,  Changchih Huang

IPC: G02F1/1335

CPC classification number: G02F1/133545 ,  G02F1/133512 ,  G02F1/133514 ,  G02F2201/30 ,  G02F2202/36

Abstract: The present application provides a color filter substrate, an array substrate and a display panel. A first dielectric grating layer in the color filter substrate is stacked with a first dielectric layer, and ridges and grooves are arranged at intervals periodically on one side of the first dielectric grating layer away from the first dielectric layer; a first polarizing layer in the color filter substrate is located in the grooves of the first dielectric grating layer; a second polarizing layer in the color filter substrate is located on the ridges of the first dielectric grating layer.

公开(公告)号：US20240012304A1

公开(公告)日：2024-01-11

申请号：US17309479

申请日：2021-05-12

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

Inventor： Qian Deng ,  Rui He ,  Changchih Huang ,  Guanghui Liu

IPC: G02F1/137 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1333

CPC classification number: G02F1/13718 ,  G02F1/133526 ,  G02F1/133769 ,  G02F1/133553 ,  G02F1/133365

Abstract: A display panel and a display device are disclosed. The display panel includes a photoresist layer, a liquid crystal layer, and a total reflection layer. Liquid crystal molecules included in the liquid crystal cells have a first refractive index and a second refractive index. The first refractive index is greater than the second refractive index, and a refractive index of the total reflection units matches with the first refractive index. The display panel and the display device not only have advantages of low manufacturing cost and eye protection, but can also achieve color and dynamic display.

公开(公告)号：US11803079B2

公开(公告)日：2023-10-31

申请号：US16960386

申请日：2020-05-22

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

Inventor： Chaoqun Yang ,  Changchih Huang ,  Yanchang Shi ,  Wei Cheng

IPC: G02F1/1335 ,  G02F1/017 ,  G02F1/13357 ,  G02F2/02

CPC classification number: G02F1/133528 ,  G02F1/01791 ,  G02F1/133512 ,  G02F1/133602 ,  G02F2/02

Abstract: The present invention provides a quantum dot display panel, a quantum dot display device, and a preparation method thereof. The quantum dot display panel includes an array substrate, a color film substrate, and a liquid crystal disposed between the array substrate and the color film substrate, wherein the color film substrate includes a cover plate, a light-cutoff layer, a quantum dot pixel layer, a blocking layer, a reflection layer, a coating layer, a built-in polarizing layer, an isolation unit, and a polyimide (PI) layer.

公开(公告)号：US11067845B2

公开(公告)日：2021-07-20

申请号：US16497631

申请日：2018-12-15

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

Inventor： Chaoqun Yang ,  Changchih Huang

IPC: G02F1/1339 ,  G02F1/1335 ,  G02F1/017

Abstract: A liquid crystal panel and a method manufacturing the same are provided. The liquid crystal panel including a color filter substrate, an array substrate disposed opposite to the color filter substrate and a built-in polarizer. The built-in polarizer includes a substrate, a first inorganic layer, a metal wire grid layer, and a second inorganic layer. The substrate covers a side of the color filter substrate facing the array substrate. The first inorganic layer covers the substrate. The metal wire grid layer covers the first inorganic layer, wherein the metal wire grid layer has a plurality of metal wires parallel to each other. The second inorganic layer has a plurality of inorganic wires parallel to each other, wherein each of the inorganic wires correspondingly covers one of the metal wires.