US 12,265,241 B2
Privacy film, preparation method thereof and splice panel
Hejing Sun, Guangdong (CN)
Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 17/758,983
Filed by TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Jun. 24, 2022, PCT No. PCT/CN2022/101068
§ 371(c)(1), (2) Date Jul. 17, 2022,
PCT Pub. No. WO2023/231095, PCT Pub. Date Dec. 7, 2023.
Claims priority of application No. 202210611826.6 (CN), filed on May 31, 2022.
Prior Publication US 2024/0192411 A1, Jun. 13, 2024
Int. Cl. G02B 5/18 (2006.01)
CPC G02B 5/1819 (2013.01) [G02B 5/1852 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A privacy film, comprising:
a substrate; and
a plurality of gratings disposed on the substrate, wherein the plurality of gratings are spaced in a first direction and a second direction, and the first direction intersects the second direction;
wherein the plurality of gratings include a plurality of first gratings and a plurality of second gratings; the plurality of first gratings are spaced in the first direction and the second direction, and each of the plurality of first gratings extends in the first direction; the plurality of the second gratings are spaced in the first direction and the second direction, and each of the plurality of second gratings extends in the second direction; and
wherein each of the plurality of first gratings is connected to a corresponding one of the plurality of second gratings.