公开(公告)号：US20230176406A1

公开(公告)日：2023-06-08

申请号：US17995256

申请日：2021-04-06

Applicant: LG INNOTEK CO., LTD.

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

IPC: G02F1/13 ,  G02F1/1339 ,  G02F1/137 ,  G02F1/1685 ,  G02F1/1679 ,  G02F1/167

CPC classification number: G02F1/1323 ,  G02F1/13394 ,  G02F1/137 ,  G02F1/1685 ,  G02F1/1679 ,  G02F1/167 ,  G02F2201/44

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 beneath the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit comprises a partition part and an accommodation part alternately arranged, the accommodation part includes a dispersion liquid and light conversion particles dispersed in the dispersion liquid, the accommodation part operates in a public mode or a privacy mode according to whether a voltage is applied, a first voltage is applied when changing from the privacy mode to the public mode, a second voltage and a third voltage are applied when changing from the public mode to the privacy mode, and the second voltage and/or the third voltage include a pulse voltage.

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：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：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：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：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.