US 11,899,294 B2
Light path control member and display device comprising same
Jun Sik Shin, Seoul (KR); Jong Sik Lee, Seoul (KR); Jong Tae Kwon, Seoul (KR); Byung Sook Kim, Seoul (KR); and Jin Gyeong Park, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 18/043,475
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Aug. 17, 2021, PCT No. PCT/KR2021/010893
§ 371(c)(1), (2) Date Feb. 28, 2023,
PCT Pub. No. WO2022/050597, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 10-2020-0112121 (KR), filed on Sep. 3, 2020; and application No. 10-2020-0155478 (KR), filed on Nov. 19, 2020.
Prior Publication US 2023/0341714 A1, Oct. 26, 2023
Int. Cl. G02F 1/13 (2006.01); G02F 1/1339 (2006.01)
CPC G02F 1/1323 (2013.01) [G02F 1/1339 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A light 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;
a light conversion unit disposed between the first electrode and the second electrode;
an adhesive layer between the second electrode and the light conversion unit; and
a buffer layer between the first electrode and the light conversion unit,
wherein the light conversion unit includes a plurality of partition wall portions, an accommodating portion, and a base portion,
wherein a light conversion material is disposed in the accommodating portion,
wherein a sealing region is formed on at least one of the first substrate and the second substrate,
wherein the accommodating portion extends in a second direction,
wherein a moving part connected to the accommodating portion and extending in a first direction different from the second direction,
wherein the moving part is connected to the sealing region and the accommodating portion,
wherein the sealing region is formed through the first substrate, the first electrode, and the buffer layer or through the second substrate, the second electrode, and the adhesive layer,
wherein the sealing region overlaps the moving part.