US 11,966,106 B2
Optical path control member and display device comprising same
In Hae Lee, Seoul (KR); Won Seok Choi, Seoul (KR); and Chan Mi Ju, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/921,223
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Apr. 15, 2021, PCT No. PCT/KR2021/004730
§ 371(c)(1), (2) Date Oct. 25, 2022,
PCT Pub. No. WO2021/221358, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 10-2020-0052131 (KR), filed on Apr. 29, 2020; and application No. 10-2020-0055063 (KR), filed on May 8, 2020.
Prior Publication US 2023/0161187 A1, May 25, 2023
Int. Cl. G02F 1/13 (2006.01); G02F 1/1339 (2006.01); G02F 1/137 (2006.01); G02F 1/167 (2019.01); G02F 1/1676 (2019.01); G02F 1/1679 (2019.01); G02F 1/1685 (2019.01)
CPC G02F 1/1323 (2013.01) [G02F 1/13394 (2013.01); G02F 1/137 (2013.01); G02F 1/167 (2013.01); G02F 1/1676 (2019.01); G02F 1/1679 (2019.01); G02F 1/1685 (2019.01); G02F 2201/07 (2013.01); G02F 2201/44 (2013.01); G02F 2202/28 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An optical path control member comprising:
a first substrate;
a first electrode disposed on the first substrate;
a second substrate disposed on the first substrate;
a second electrode disposed under the second substrate; and
a light conversion part disposed between the first electrode and the second electrode,
wherein the first substrate and the second substrate include a first direction, a second direction different from the first direction, and a third direction defined as a thickness direction of the first substrate and the second substrate,
wherein the light conversion part includes a partition wall part and a reception part alternately disposed,
wherein the reception part has a light transmittance that changes according to application of a voltage,
wherein the reception part extends in a fourth direction, and
wherein the reception part has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.