US 12,422,706 B2
Viewing angle varying film and display device comprising the same
JaeJung Han, Incheon (KR); HyukJoon Yoon, Goyang-si (KR); SeMin Lee, Seoul (KR); and SeungJu Gwon, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Aug. 9, 2024, as Appl. No. 18/799,691.
Claims priority of application No. 10-2023-0142730 (KR), filed on Oct. 24, 2023.
Prior Publication US 2025/0130452 A1, Apr. 24, 2025
Int. Cl. G02F 1/13 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01)
CPC G02F 1/1323 (2013.01) [G02F 1/133769 (2021.01); G02F 1/134363 (2013.01); G02F 1/133504 (2013.01); G02F 1/133524 (2013.01); G02F 1/133603 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A viewing angle varying film, comprising:
a first film;
a second film that overlaps the first film and is spaced apart from the first film;
a first electrode on the first film;
a second electrode on the second film such that the second electrode is between the second film and the first electrode; and
a viewing angle varying layer between the first electrode and the second electrode, the viewing angle varying layer including a plurality of first structures and a plurality of second structures that are spaced apart from each other and each of the plurality of first structures and each of the plurality of second structures including colored particles,
wherein at least one or more of a height, a width, or a shape of a first structure from the plurality of first structures is respectively different from a height, a width, or a shape of a second structure from the plurality of second structures.