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    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
    1.
    发明申请
    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME 有权

    公开(公告)号：US20250123535A1

    公开(公告)日：2025-04-17

    申请号：US18730378

    申请日：2023-01-02

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Gyu Lin LEE ,  Byung Sook KIM ,  Seung Jin KIM

    IPC: G02F1/29 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

    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; and a light conversion part disposed between the first electrode and the second electrode and including a receiving part in which a light conversion material is disposed, wherein at least one of the first electrode and the second electrode includes a plurality of pattern electrodes, wherein the pattern electrodes extend in a direction different from a longitudinal direction of the receiving part, wherein the pattern electrodes are disposed to be spaced apart from each other between a first end and a second end of the receiving part in the longitudinal direction, wherein the pattern electrode includes a first pattern electrode disposed adjacent to the first end and a second pattern electrode disposed farther from the first end than the first pattern electrode, and wherein voltages having different polarities are applied to the first pattern electrode and the second pattern electrode.

    LIGHT PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
    2.
    发明申请
    LIGHT PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME 有权

    公开(公告)号：US20250120279A1

    公开(公告)日：2025-04-10

    申请号：US18729587

    申请日：2022-12-14

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Jun LEE ,  Byung Sook KIM ,  Jin Gyeong PARK

    IPC: H10K59/38 ,  H10K59/80

    Abstract: A light path control member according to an embodiment includes a first substrate; a first electrode disposed on the first substrate; a buffer layer disposed on the first electrode; 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; an adhesive layer disposed between the second electrode and the light conversion part; and a sealing part disposed in a cutting region penetrating the second substrate, the second electrode, and the adhesive layer.

    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
    4.
    发明公开
    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME 审中-公开

    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.

    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
    5.
    发明公开
    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME 审中-公开

    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.

    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
    6.
    发明公开
    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME 审中-公开

    公开(公告)号：US20230161215A1

    公开(公告)日：2023-05-25

    申请号：US17925273

    申请日：2021-04-29

    Applicant: LG INNOTEK CO., LTD.

    Inventor： Mun Yeong SON ,  Byung Sook KIM

    IPC: G02F1/167 ,  G02F1/1679 ,  G02F1/13

    CPC classification number: G02F1/167 ,  G02F1/1679 ,  G02F1/1323

    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 under the second substrate; an optical conversion unit arranged between the first electrode and the second electrode; and an adhesive layer between the optical conversion unit and the second electrode, wherein the optical conversion unit comprises a partitioning part and an accommodation part that are alternately arranged, a dispersion liquid for changing the transmittance of light is arranged inside the accommodation part, the dispersion liquid is arranged to be in direct contact with the bottom surface and the inner side surfaces of the accommodation part and the lower surface of the adhesive layer, a first contact angle between the dispersion liquid and the bottom surface and the inner side surfaces of the accommodation part is 20° or lower, a second contact angle between the dispersion liquid and the lower surface of the adhesive layer is 20° or lower, and the difference between the first contact angle and the second contact angle is 1° to 5°.

    LIGHT ROUTE CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME
    7.
    发明申请
    LIGHT ROUTE CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME 有权

    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.

    LIGHT ROUTE CONTROL MEMBER AND DISPLAY HAVING THE SAME
    8.
    发明申请
    LIGHT ROUTE CONTROL MEMBER AND DISPLAY HAVING THE SAME 有权

    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.

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