US 12,353,077 B2
Light path control member and display apparatus comprising same
Won Seok Choi, Seoul (KR); and Jin Gyeong Park, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 18/729,771
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Dec. 14, 2022, PCT No. PCT/KR2022/020332
§ 371(c)(1), (2) Date Jul. 17, 2024,
PCT Pub. No. WO2023/136482, PCT Pub. Date Jul. 20, 2023.
Claims priority of application No. 10-2022-0006846 (KR), filed on Jan. 17, 2022.
Prior Publication US 2025/0102842 A1, Mar. 27, 2025
Int. Cl. G02F 1/13 (2006.01); G02F 1/1333 (2006.01); G02F 1/13357 (2006.01); G02F 1/167 (2019.01); G02F 1/1675 (2019.01); H10K 59/50 (2023.01)
CPC G02F 1/1323 (2013.01) [G02F 1/133377 (2013.01); G02F 1/133606 (2013.01); G02F 1/167 (2013.01); G02F 1/1675 (2019.01); H10K 59/50 (2023.02); G02F 2201/44 (2013.01); G02F 2202/28 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A light path control member comprising:
a first substrate;
a first electrode disposed on the first substrate;
a light conversion part disposed on the first electrode;
an adhesive layer disposed on the light conversion part;
a second electrode disposed on the adhesive layer; and
a second substrate disposed on the second electrode;
wherein the light conversion part includes:
a plurality of receiving parts that extend lengthwise in a first direction and are spaced apart from each other in a second direction different from the first direction, and
a partition wall part disposed between the plurality of receiving parts,
wherein the adhesive layer includes an overlapping region in contact with the receiving part, and a non-overlapping region in contact with the partition wall part, and
wherein a thickness difference of the overlapping region along the second direction is greater than a thickness difference of the non-overlapping region along the second direction.