US 12,265,244 B2
Optical film, polarizer and display device
Ji Li, Guangdong (CN); Hanming Li, Guangdong (CN); Guang Zeng, Guangdong (CN); Fang Tan, Guangdong (CN); Hongshan Yin, Guangdong (CN); and Kai Chen, Guangdong (CN)
Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen (CN)
Filed by TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
Filed on Aug. 31, 2023, as Appl. No. 18/459,260.
Claims priority of application No. 202310394644.2 (CN), filed on Apr. 13, 2023.
Prior Publication US 2024/0345303 A1, Oct. 17, 2024
Int. Cl. G02B 5/30 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01)
CPC G02B 5/305 (2013.01) [G02F 1/133504 (2013.01); G02F 1/133528 (2013.01); G02F 1/133711 (2013.01); C09K 2323/03 (2020.08); C09K 2323/031 (2020.08)] 16 Claims
OG exemplary drawing
 
1. An optical film comprising a resin and a light diffuser mixed with the resin, wherein the light diffuser comprises a whisker and a modifying group attached to a surface of the whisker through a chemical bond, and the modifying group has a structural formula of ▬X-A-R, wherein ▬ is a single bond, X is PO4H, A is an unsubstituted aromatic hydrocarbon group containing 6 ring atoms, and R is selected from a substituted or unsubstituted siloxy group containing 2 to 20 carbon atoms.