公开(公告)号：US20250068014A1

公开(公告)日：2025-02-27

申请号：US18724414

申请日：2022-11-23

Applicant: LG INNOTEK CO., LTD.

Inventor： Jong Sik LEE ,  Jin Gyeong PARK ,  Byung Sook KIM

IPC: G02F1/1343 ,  G02F1/1339

Abstract: An optical path control member according to an embodiment includes 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 and including a plurality of accommodating parts in which a light conversion material is disposed; a first sealing part and a second sealing part formed in a cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit and disposed extending in a first direction; and a third sealing part and a fourth sealing part formed in the cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit, and disposed extending in a second direction different from the first direction, and wherein at least one of the third sealing part and the fourth sealing part includes a sealing region disposed inside the cutting region and an anchor region disposed inside the accommodating part.

公开(公告)号：US20250060632A1

公开(公告)日：2025-02-20

申请号：US18724438

申请日：2022-11-23

Applicant: LG INNOTEK CO., LTD.

Inventor： Jong Sik LEE ,  Jin Gyeong PARK ,  Byung Sook KIM

IPC: G02F1/1339 ,  G02F1/1343

Abstract: An optical path control member according to an embodiment includes 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 including a plurality of accommodating parts disposed between the first electrode and the second electrode and in which a light conversion material is disposed; a first sealing part and a second sealing part formed in a cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit, and disposed extending in a first direction; and a third sealing part and a fourth sealing part formed in a cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit, and disposed extending in a second direction different from the first direction, and wherein a width of the first sealing part is 0.2 mm or less.

公开(公告)号：US20230258972A1

公开(公告)日：2023-08-17

申请号：US18003577

申请日：2021-06-28

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Gyeong PARK ,  Chan Mi JU ,  Byung Sook KIM

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

CPC classification number: G02F1/133512 ,  G02F1/13338 ,  G02F1/134309 ,  G02F1/13439

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 photoconversion unit disposed between the first electrode and the second electrode, wherein the second substrate includes at least one hole penetrating the second substrate, and an electrode connection part connected to a side surface of the second electrode is disposed inside the hole.

公开(公告)号：US20230236467A1

公开(公告)日：2023-07-27

申请号：US18003613

申请日：2021-06-28

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Gyeong PARK ,  Jong Sik LEE ,  Byung Sook KIM

IPC: G02F1/1675 ,  G02F1/13357

CPC classification number: G02F1/1675 ,  G02F1/1336 ,  G02F1/167

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 below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the second substrate and the second electrode comprise at least one hole penetrating the second substrate and the second electrode, and a sealing part is disposed inside the hole.

公开(公告)号：US20230044139A1

公开(公告)日：2023-02-09

申请号：US17758618

申请日：2021-01-08

Applicant: LG INNOTEK CO., LTD.

Inventor： In Hae LEE ,  Byung Sook KIM ,  Chan Mi JU ,  Young Ju HAN

IPC: G02F1/167 ,  G02F1/1676 ,  G02F1/1333 ,  C09J7/10 ,  C09J7/38

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; a light conversion part disposed between the first electrode and the second electrode; and an adhesive layer disposed between the second electrode and the light conversion part, wherein the light conversion part comprises alternately disposed partition wall portions and accommodating portions, the accommodating portions comprise a dispersion and a plurality of light absorbing particles disposed in the dispersion, and the log volume resistivity of the adhesive layer is 9 Ω·cm to 15 Ω·cm.

公开(公告)号：US20240085736A1

公开(公告)日：2024-03-14

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：US20230341714A1

公开(公告)日：2023-10-26

申请号：US18043475

申请日：2021-08-17

Applicant: LG INNOTEK CO., LTD.

Inventor： Jun Sik SHIN ,  Jong Sik LEE ,  Jong Tae KWON ,  Byung Sook KIM ,  Jin Gyeong PARK

IPC: G02F1/13 ,  G02F1/1339

CPC classification number: G02F1/1323 ,  G02F1/1339

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; 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. The light conversion unit includes a plurality of partition wall portions, a plurality of accommodation portions, and a base portion. The accommodation portions have a light conversion material disposed therein, and include at least two sealing regions formed on at least one of the first substrate or the second substrate. The accommodation portions are arranged to extend in a second direction, and include movement portions connected to the accommodation portions and extending in a first direction different from the second direction. The movement portions are connected to the sealing regions and the accommodation portions. The sealing regions pass through the first substrate, the first electrode, and the buffer layer or through the second substrate, the second electrode, and the adhesive layer. The sealing regions overlap the movement portion.

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：US20230132725A1

公开(公告)日：2023-05-04

申请号：US18052443

申请日：2022-11-03

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Gyeong PARK ,  Byung Sook KIM ,  Jong Sik LEE

IPC: G02F1/1335 ,  H10K59/126

Abstract: An optical path control member according to an embodiment includes: a first substrate on 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 and defining the first direction and the second direction; a second electrode disposed under the second substrate; a light conversion part disposed between the first electrode and the second electrode; an adhesive layer disposed between the first electrode and the light conversion part, and a cutting region formed by removing the second substrate, the second electrode, and the light conversion part, wherein the cutting region includes a first cutting region and a second cutting region that extend in a length direction of the first direction and are disposed to face each other in the second direction, the first cutting region and the second cutting region include a first region in which the adhesive layer is formed and a second region formed by partially or entirely removing the adhesive layer, and a first sealing part is disposed in the cutting region.

公开(公告)号：US20230045017A1

公开(公告)日：2023-02-09

申请号：US17758858

申请日：2021-01-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Young Ju HAN ,  In Hae LEE ,  Byung Sook KIM

IPC: G02F1/137 ,  G02F1/1676

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 below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit includes a partition wall and an accommodation part that are arranged alternately, the accommodation part changes in light transmittance according to the application of voltage, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the contact surface between the partition wall and the accommodation part is inclined at an inclination angle with respect to a reference axis perpendicular to the upper surface of the first substrate, and the inclination angle is 1° to 10°.