US 12,345,997 B2
Light route control member and display device comprising same
Jin Gyeong Park, Seoul (KR); Byung Sook Kim, Seoul (KR); and Won Seok Choi, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/758,854
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Jan. 11, 2021, PCT No. PCT/KR2021/000332
§ 371(c)(1), (2) Date Jul. 14, 2022,
PCT Pub. No. WO2021/145619, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 10-2020-0004829 (KR), filed on Jan. 14, 2020; and application No. 10-2020-0004865 (KR), filed on Jan. 14, 2020.
Prior Publication US 2023/0040154 A1, Feb. 9, 2023
Int. Cl. G02F 1/1681 (2019.01); G02F 1/13357 (2006.01); G02F 1/167 (2019.01); G02F 1/1676 (2019.01)
CPC G02F 1/1681 (2019.01) [G02F 1/133606 (2013.01); G02F 1/167 (2013.01); G02F 1/1676 (2019.01)] 20 Claims
OG exemplary drawing
 
1. A light route 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 light conversion part includes a partition wall part and a receiving part that are alternately arranged,
wherein a light transmittance is changed according to an application of voltage to the receiving part,
wherein partition wall part includes a base partition wall part and a separation partition wall part,
wherein a plurality of pores is disposed in at least one of the base partition wall part and the separation partition wall part,
wherein each pore includes air,
wherein a density per unit area of partition wall material of the separation partition wall part is smaller than a density per unit area of partition wall material of the base partition wall part.