公开(公告)号：US12111533B2

公开(公告)日：2024-10-08

申请号：US17754762

申请日：2020-09-22

Applicant: LG INNOTEK CO., LTD.

Inventor： In Hae Lee ,  Young Ju Han ,  Byung Sook Kim ,  Kweon Jin Lee ,  Jun Sik Shin

IPC: G02F1/1335 ,  G02F1/1681 ,  H10K59/80

CPC classification number: G02F1/133524 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/1681 ,  H10K59/8791

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the upper surface of the first substrate; a second substrate arranged on top of the first substrate; a second electrode arranged on the lower surface of the second substrate; and an optical conversion unit which is arranged between the first electrode and the second electrode and which defines a first direction and a second direction, wherein the optical conversion unit comprises a partition part and an accommodation part that are alternately arranged in the first direction, the accommodation part includes a plurality of cells arranged to be spaced in the second direction, at least one of the cells includes a first inner side surface and a second inner side surface that are connected to each other, and the first inner side surface and/or the second inner side surface extends in a direction other than the first and second directions.

公开(公告)号：US11860466B2

公开(公告)日：2024-01-02

申请号：US17923484

申请日：2021-04-15

Applicant: LG INNOTEK CO., LTD.

Inventor： Hyeon Ji Hong ,  In Hae Lee

IPC: G02F1/1335 ,  G02F1/1334

CPC classification number: G02F1/133512 ,  G02F1/1334 ,  G02F1/133519

Abstract: An optical path control member according to an embodiment comprises an adhesive layer disposed between a second electrode and a light conversion part, wherein: the light conversion part includes a partition wall part and a reception part alternately arranged; the partition wall part includes a first area from the upper surface of the partition wall part up to 30 μm in a direction toward the first substrate, a third area from the lower surface of the partition wall part up to 30 μm in a direction toward the second substrate, and a second area provided between the first area and the third area; and Si measured by XPS in the first area corresponds to 2 at % or less.

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.