公开(公告)号：US20240345435A1

公开(公告)日：2024-10-17

申请号：US18263208

申请日：2023-06-21

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

Inventor： Ji LI ,  Hanming LI ,  Guang ZENG ,  Fang TAN ,  Hongshan YIN ,  Kai CHEN

IPC: G02F1/1335 ,  G02B5/30

CPC classification number: G02F1/133531 ,  G02B5/3008 ,  G02F2202/022

Abstract: The present application provides a polarizer and a liquid crystal display device. The polarizer includes a resin layer, the resin layer includes a whisker, an acute angle is formed by a long-axis direction of each of the whiskers and a bottom surface of the resin layer, and the acute angle is greater than 0° and less than or equal to 40°.

公开(公告)号：US20240061283A1

公开(公告)日：2024-02-22

申请号：US17990306

申请日：2022-11-18

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

Inventor： Guang ZENG ,  Yue WANG ,  Yuan SHAO ,  Fang TAN

IPC: G02F1/13 ,  G02B5/02 ,  G02F1/1335

CPC classification number: G02F1/1323 ,  G02B5/02 ,  G02F1/133504 ,  G02F1/133528 ,  G02F1/133502 ,  G02B2207/101 ,  B82Y20/00

Abstract: A viewing angle widening film, a manufacturing method thereof, and a display device are provided. A first film layer of the viewing angle widening film includes protrusions spaced apart from each other and extended along a first direction. The protrusions include a first protrusion and a second protrusion arranged on a side of the first protrusion away from a flat layer, a surface of the second protrusion on a side away from the flat layer is an arc surface, and a diffusion effect of the second protrusion is weaker than that of the first protrusion.

公开(公告)号：US20240345296A1

公开(公告)日：2024-10-17

申请号：US18478993

申请日：2023-09-30

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

Inventor： Kai CHEN ,  Ji LI ,  Fang TAN

IPC: G02B5/02 ,  G02B5/30

CPC classification number: G02B5/0294 ,  G02B5/0242 ,  G02B5/3025 ,  G02F1/133528

Abstract: Some embodiments of the present application disclose a polarizer and a display device, wherein the polarizer includes a polarizing layer, and a first optical functional layer on a side of the polarizing layer. The first optical functional layer includes a substrate and light-diffusing particles dispersed in the substrate. An average value of a difference between an orientation angle of an orthographic projection of a long axis of the light-diffusing particle in a first plane and an orientation angle of an absorption axis of the polarizing layer in the first plane is less than or equal to 5°.

公开(公告)号：US20250020953A1

公开(公告)日：2025-01-16

申请号：US18279402

申请日：2023-08-10

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

Inventor： Ji LI ,  Guang ZENG ,  Hanming LI ,  Hongshan YIN ,  Fang TAN ,  Kai CHEN

IPC: G02F1/1335

Abstract: A polarizer and a liquid crystal display device are disclosed. The polarizer includes a first protection film, a polarization layer, a second protection film, a chroma viewing angle enhancement layer, and a surface protection film laminated. Material of the chroma viewing angle enhancement layer includes a resin composite. The resin composite includes a light diffusion agent. The light diffusion agent is aligned in the chroma viewing angle enhancement layer, an acute angle is defined between a long axis direction of light diffusion agent and a bottom surface of the chroma viewing angle enhancement layer, and the acute angle is greater than 0° and is less than or equal to 40°.

公开(公告)号：US20240345303A1

公开(公告)日：2024-10-17

申请号：US18459260

申请日：2023-08-31

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

Inventor： Ji LI ,  Hanming LI ,  Guang ZENG ,  Fang TAN ,  Hongshan YIN ,  Kai CHEN

IPC: G02B5/30 ,  G02F1/1335 ,  G02F1/1337

CPC classification number: G02B5/305 ,  G02F1/133504 ,  G02F1/133528 ,  G02F1/133711 ,  C09K2323/03 ,  C09K2323/031

Abstract: Disclosed are an optical film, a polarizer, and a display device. The optical film includes a resin and a light diffuser mixed with the resin. The light diffuser includes a whisker and a modifying group attached to a surface of the whisker. The modifying group has a structural formula of —X-A-R, wherein X is selected from SO3 or PO4H, A is selected from a single bond, a substituted or unsubstituted aromatic hydrocarbon group containing 6 to 20 ring atoms, or an imidazolinyl group, and R is selected from a substituted or unsubstituted alkyl group containing 2 to 20 carbon atoms, a substituted or unsubstituted siloxy group containing 2 to 20 carbon atoms, or an alkylolamide group containing 2 to 20 carbon atoms.