公开(公告)号：US20230194917A1

公开(公告)日：2023-06-22

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 ,  G02F1/133519 ,  G02F1/1334

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：US20230152658A1

公开(公告)日：2023-05-18

申请号：US17923103

申请日：2021-04-28

Applicant: LG INNOTEK CO., LTD.

Inventor： Hyeon Ji HONG ,  Mun Yeong SON ,  Byung Sook KIM

IPC: G02F1/1685 ,  G02F1/167 ,  G02F1/1679 ,  C08K13/02

CPC classification number: G02F1/1685 ,  G02F1/167 ,  G02F1/1679 ,  C08K13/02 ,  G02F2202/28 ,  G02F1/13394

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a light conversion part disposed on the first electrode; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and an adhesive layer disposed between the light conversion part and the second electrode, wherein the light conversion part comprises alternately disposed partition wall portions and accommodation portions, light transmittance of the accommodation portions changes according to voltage application, the upper surfaces of the partition wall portions are in contact with the adhesive layer, the light conversion part is formed of a photocurable resin, the photocurable resin comprises an oligomer, a monomer, a photopolymerization initiator, and an additive, and the additive comprises an antistatic agent in an amount of 1.5 wt % to 3.0 wt %.

公开(公告)号：US20240061304A1

公开(公告)日：2024-02-22

申请号：US18260132

申请日：2022-01-04

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Mi NOH ,  Byung Sook KIM ,  Ho Young KIM ,  Hyeon Ji HONG

IPC: G02F1/16766 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/16766 ,  G02F1/134318 ,  G02F1/133514 ,  G02F1/13338

Abstract: A light path control member according to an embodiment comprises: a first substrate by which a first direction and a second direction are defined; 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 unit disposed between the first electrode and the second electrode, wherein the light conversion unit comprises: a plurality of partitions; a plurality of accommodation units; and a base, wherein the accommodation units extend in the second direction, the first electrode includes a plurality of first pattern electrodes extending in the second direction and spaced apart from each other, and the first pattern electrodes overlap the accommodation units.

公开(公告)号：US20230341742A1

公开(公告)日：2023-10-26

申请号：US18043812

申请日：2021-09-03

Applicant: LG INNOTEK CO., LTD.

Inventor： In Hae LEE ,  Chan Mi JU ,  Hyeon Ji HONG ,  Jun LEE ,  Gyu Lin LEE ,  Beom Sun HONG

IPC: G02F1/167 ,  G02F1/1681 ,  G06F3/041 ,  G02F1/13

CPC classification number: G02F1/1681 ,  G02F1/1323 ,  G02F1/167 ,  G06F3/041

Abstract: A light 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: the light conversion part comprises a plurality of partition wall portions, a plurality of receiving portions, and a base portion; a light conversion material is disposed in the receiving portions; the light conversion part includes a first sealing portion which seals the light conversion material; the first sealing portion extends in a direction from one end to the other end thereof; and the other end of the first sealing portion is arranged to extend into the inner area of the receiving portions.

公开(公告)号：US20230077281A1

公开(公告)日：2023-03-09

申请号：US17758837

申请日：2021-01-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Young Ju HAN ,  Byung Sook KIM ,  Hyeon Ji HONG ,  Won Seok CHOI ,  Jin Gyeong PARK

IPC: G02F1/1677 ,  G02F1/167 ,  G02F1/1676

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the upper part of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on the lower part of the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode. The optical conversion unit includes partition wall portions and receiving portions that are alternately disposed. The receiving portions change optical transmittance in response to the application of voltage, and include a dispersion and optical conversion particles dispersed in the dispersion. The refractive index ratio of the partition wall portions and the receiving portions is 1:0.95 to 1:1.05.

公开(公告)号：US20220397801A1

公开(公告)日：2022-12-15

申请号：US17754362

申请日：2020-09-21

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Gyeong PARK ,  Byung Sook KIM ,  Hyeon Ji HONG ,  Mun Yeong SON

IPC: G02F1/1677 ,  G02F1/167 ,  G02F1/1676

Abstract: An optical path control member, according to one embodiment, comprises: a first substrate; a first electrode disposed on the upper surface of the first substrate; a second substrate disposed above the first substrate; a second electrode disposed on the lower surface of the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit comprises a partition wall part and an accommodation part which are alternately arranged. The accommodation part: has a light transmittance that varies according to the application of a voltage; comprises a dispersion liquid and a plurality of light-absorbing particles dispersed in the dispersion liquid; and has at least one protrusion part arranged therein. The protrusion part: makes contact with the partition wall part; and is extendedly arranged in a direction different from the extending direction of the partition wall part.