公开(公告)号：US12007643B2

公开(公告)日：2024-06-11

申请号：US18007394

申请日：2021-07-08

Applicant: LG INNOTEK CO., LTD.

Inventor： Won Seok Choi ,  Jin Gyeong Park ,  Byung Sook Kim

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/13357 ,  G02F1/1339 ,  G02F1/1343

CPC classification number: G02F1/133524 ,  G02F1/13338 ,  G02F1/133608 ,  G02F1/1339 ,  G02F1/13439 ,  G02F2202/28

Abstract: An optical path control member according to an embodiment comprises: a first substrate on which a first direction and a second direction are defined; a first electrode arranged on the first substrate; a second substrate which is arranged on the first substrate and on which the first direction and the second direction are defined; a second electrode arranged under the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises an alternately arranged plurality of partition parts and plurality of accommodation parts, a light conversion material is arranged in the accommodation part, the accommodation part comprises at least one first region and at least one second region, and the height of the light conversion material arranged in the first region is less than the height of the light conversion material arranged in the second region.

公开(公告)号：US11966106B2

公开(公告)日：2024-04-23

申请号：US17921223

申请日：2021-04-15

Applicant: LG INNOTEK CO., LTD.

Inventor： In Hae Lee ,  Won Seok Choi ,  Chan Mi Ju

IPC: G02F1/13 ,  G02F1/1339 ,  G02F1/137 ,  G02F1/167 ,  G02F1/1676 ,  G02F1/1679 ,  G02F1/1685

CPC classification number: G02F1/1323 ,  G02F1/13394 ,  G02F1/137 ,  G02F1/167 ,  G02F1/1676 ,  G02F1/1679 ,  G02F1/1685 ,  G02F2201/07 ,  G02F2201/44 ,  G02F2202/28

Abstract: An optical path control member according to an embodiment comprises: 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: each of the first substrate and the second substrate includes 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; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.