公开(公告)号：US20250102842A1

公开(公告)日：2025-03-27

申请号：US18729771

申请日：2022-12-14

Applicant: LG INNOTEK CO., LTD.

Inventor： Won Seok CHOI ,  Jin Gyeong PARK

IPC: G02F1/13 ,  G02F1/1333 ,  G02F1/13357 ,  G02F1/167 ,  G02F1/1675 ,  H10K59/50

Abstract: A light 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 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 includes a plurality of receiving parts, wherein the adhesive layer includes an overlapping region that overlaps the receiving part and a non-overlapping region that does not overlap the receiving part, and wherein the overlapping region includes regions with different thicknesses.

公开(公告)号：US20250093733A1

公开(公告)日：2025-03-20

申请号：US18729751

申请日：2022-12-14

Applicant: LG INNOTEK CO., LTD.

Inventor： Won Seok CHOI ,  Jin Gyeong PARK

IPC: G02F1/1679 ,  G02F1/1676

Abstract: A light 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 part disposed between the first electrode and the second electrode and including a plurality of receiving parts for receiving a light conversion material; and a sealing part sealing the light conversion material, wherein the sealing part includes 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 part and 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 part and extending in a second direction different from the first direction, and wherein a thickness of at least one sealing part of the third sealing part and the fourth sealing part is different from a thickness of the first sealing part and the second sealing part.

公开(公告)号：US20230040154A1

公开(公告)日：2023-02-09

申请号：US17758854

申请日：2021-01-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Gyeong PARK ,  Byung Sook KIM ,  Won Seok CHOI

IPC: G02F1/16755 ,  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 a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes a partition wall portion and a receiving portion that are alternately disposed. The receiving portion changes light transmittance according to the application of voltage. The partition wall portion includes a base partition wall portion and a separating partition wall portion. A plurality of pores are disposed in at least one of the base partition wall portion or the separating partition wall portion. The density per unit area of partition material in the separating partition wall portion is less than the density per unit area of partition material in the base partition wall portion.

公开(公告)号：US20230280612A1

公开(公告)日：2023-09-07

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 ,  G02F1/1343 ,  G02F1/1339 ,  G02F1/1333 ,  G02F1/13357

CPC classification number: G02F1/133524 ,  G02F1/13439 ,  G02F1/1339 ,  G02F1/13338 ,  G02F1/133608 ,  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：US20230161187A1

公开(公告)日：2023-05-25

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 ,  G02F1/1676 ,  G02F1/1679 ,  G02F1/1339 ,  G02F1/137 ,  G02F1/1685 ,  G02F1/167

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

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.

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.