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：US20220291564A1

公开(公告)日：2022-09-15

申请号：US17754139

申请日：2020-09-11

Applicant: LG INNOTEK CO., LTD.

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

IPC: G02F1/167 ,  G02F1/1685 ,  G02F1/1679 ,  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; a light conversion unit disposed between the first electrode and the second electrode; and a power supply unit connected to the first electrode and the second electrode, wherein the light conversion unit includes a partition wall part and a receiving part that are alternately arranged, the receiving part has a light transmittance that changes in response to the application of a voltage, the receiving part includes a dispersion liquid and a plurality of light absorbing particles dispersed in the dispersion liquid, the height of the receiving part is 15 μm to 25 μm, the width of the receiving part is 1.5 μm to 2.5 μm, and the power supply unit includes a power connection part connecting an external power source and the light conversion unit, and a power switch part for turning on/off the transmission of the voltage.

公开(公告)号：US20240411162A1

公开(公告)日：2024-12-12

申请号：US18702520

申请日：2022-10-14

Applicant: LG INNOTEK CO., LTD.

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

IPC: G02F1/13 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1347

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; a first sealing part formed in a first cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit, and a second sealing part formed in a second cutting region; and a connection electrode disposed adjacent to the second sealing part, and wherein the second sealing part includes a plurality of patterns spaced apart from each other.

公开(公告)号：US20240272420A1

公开(公告)日：2024-08-15

申请号：US18007420

申请日：2021-07-26

Applicant: LG INNOTEK CO., LTD.

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

IPC: G02B26/08 ,  G02F1/13 ,  G02F1/13357 ,  G02F1/167 ,  G02F1/1677 ,  G02F1/1679 ,  H10K59/50 ,  H10K59/80

CPC classification number: G02B26/08 ,  G02F1/1323 ,  G02F1/1336 ,  G02F1/167 ,  G02F1/1677 ,  G02F1/1679 ,  H10K59/50 ,  H10K59/8791

Abstract: An optical path control member according an embodiment comprises: a first substrate for 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 for which the first direction and the second direction are defined; a second electrode arranged under the second substrate; and an optical conversion unit arranged between the first electrode and the second electrode, wherein: the second substrate and the second electrode include a cutting portion that passes through the second substrate and the second electrode; the cutting portion comprises a 1-1 cutting portion and a 1-2 cutting portion that are arranged in the second direction while facing each other, and a 2-1 cutting portion and a 2-2 cutting portion that are arranged in the first direction while facing each other; and a first sealing portion is arranged on the 1-1 cutting portion and the 1-2 cutting portion, and a second sealing portion is arranged inside the 2-1 cutting portion and the 2-2 cutting portion.

公开(公告)号：US20240094591A1

公开(公告)日：2024-03-21

申请号：US17754681

申请日：2020-09-21

Applicant: LG INNOTEK CO., LTD.

Inventor： Jong Sik LEE ,  Byung Sook KIM ,  Jin Gyeong PARK ,  In Hae LEE ,  Young Ju HAN

IPC: G02F1/167 ,  G02B5/20 ,  G02B26/08 ,  G02F1/1335

CPC classification number: G02F1/167 ,  G02B5/206 ,  G02B26/08 ,  G02F1/1335

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode provided on the upper portion of the first substrate; a second substrate provided on the first substrate; a second electrode provided on the lower portion of the second substrate; and an optical conversion unit provided between the first electrode and the second electrode, wherein the optical conversion unit comprises partition wall parts and accommodation parts which are alternately arranged. The accommodation parts have a light transmission rate that varies according to the application of a voltage, and the accommodation parts comprise a plurality of unit accommodation cells spaced apart from each other, and comprises a dispersion and light-absorbing particles which are dispersed in the dispersion. The light-absorbing particles comprise first particles and second particles, wherein the diameter of the first particles is greater than that of the second particles, and the surfaces of the first particles and the surfaces of the second particles are charged with the same polarity.

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：US20230324728A1

公开(公告)日：2023-10-12

申请号：US18043488

申请日：2021-09-03

Applicant: LG INNOTEK CO., LTD.

Inventor： Chan Mi JU ,  Byung Sook KIM

IPC: G02F1/13 ,  G02F1/167 ,  H10K59/50 ,  G02F1/1335

CPC classification number: G02F1/1323 ,  G02F1/167 ,  G02F2001/1678 ,  G02F1/1335 ,  H10K59/50

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged below the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit includes a partition part and accommodation parts, each accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the accommodation parts operate in a public mode or a privacy mode according to whether a voltage is applied thereto, the public mode includes the steps of applying an initial positive voltage and applying a positive sustaining voltage, the privacy mode includes a step of applying a negative voltage, the steps of applying the initial positive voltage, applying the positive sustaining voltage, and applying the negative voltage are sequentially performed, and the magnitude of the initial positive voltage is greater than that of the positive sustaining voltage.

公开(公告)号：US20230273480A1

公开(公告)日：2023-08-31

申请号：US18007377

申请日：2021-07-27

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Gyeong PARK ,  Jun LEE ,  Byung Sook KIM ,  Mun Yeong SON

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

CPC classification number: G02F1/133614 ,  G02F1/134309 ,  G02F1/13338 ,  G02F1/133603

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 includes a plurality of partition wall portions and a plurality of receiving portions which are alternately arranged; a light conversion material comprising a dispersion and multiple light conversion particles dispersed in the dispersion is disposed in the receiving portions; and the dispersion comprises a material having a carbon number of 2 to 13.

公开(公告)号：US20230229035A1

公开(公告)日：2023-07-20

申请号：US18007139

申请日：2021-07-23

Applicant: LG INNOTEK CO., LTD.

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

IPC: G02F1/1335 ,  G02F1/1676 ,  G02F1/1677 ,  G02F1/1679

CPC classification number: G02F1/1335 ,  G02F1/1676 ,  G02F1/1677 ,  G02F1/1679

Abstract: An optical 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 and by which the first direction and the second direction are defined; a second electrode disposed under the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode, wherein the second substrate and the second electrode include a cutting part penetrating the second substrate and the second electrode, the cutting part includes: a 1-1 cutting part and a 1-3 cutting part disposed to face each other in the second direction; a 1-2 cutting part disposed adjacent to the 1-1 cutting part and spaced apart from the 1-1 cutting part; and a 1-4 cutting part disposed adjacent to the 1-3 cutting part and spaced apart from the 1-3 cutting part, a 1-1 sealing part and a 1-3 sealing part are respectively disposed in the 1-1 cutting part and the 1-3 cutting part, and a 1-2 sealing part and a 1-4 sealing part are respectively disposed inside the 1-2 cutting part and the 1-4 cutting part.

公开(公告)号：US20230185152A1

公开(公告)日：2023-06-15

申请号：US17923528

申请日：2021-04-15

Applicant: LG INNOTEK CO., LTD.

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

IPC: G02F1/1676 ,  G02F1/167 ,  G02F1/1343 ,  G02F1/13 ,  G02F1/1685

CPC classification number: G02F1/1676 ,  G02F1/167 ,  G02F1/13439 ,  G02F1/1323 ,  G02F1/1685

Abstract: A light path control member according to an embodiment comprises: a first substrate including an effective area and an ineffective area; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate and including an effective area and an ineffective area; a second electrode disposed under the second substrate; and a light conversion unit disposed between the first electrode and the second electrode. The light conversion unit includes an alternating arrangement of partition wall parts and reception parts. A first hole passing through the first substrate is formed in at least one of the effective area or the ineffective area of the first substrate. A second hole passing through the first substrate is formed in at least one of the effective area or the ineffective area of the second substrate. A first connection electrode is disposed in the first hole, and a second connection electrode is disposed in the second hole.