OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME

    公开(公告)号:US20250123535A1

    公开(公告)日:2025-04-17

    申请号:US18730378

    申请日:2023-01-02

    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

    公开(公告)号:US20230341742A1

    公开(公告)日:2023-10-26

    申请号:US18043812

    申请日:2021-09-03

    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.

    MASK AND SKIN CARE DEVICE INCLUDING SAME

    公开(公告)号:US20220143419A1

    公开(公告)日:2022-05-12

    申请号:US17436135

    申请日:2020-03-05

    Abstract: A mask according to an embodiment comprises: a first substrate; a first wiring arranged on the first substrate; a plurality of piezoelectric elements arranged on the first wiring; a second wiring arranged on the piezoelectric elements; a second substrate arranged on the second wiring; a third wiring arranged on the first substrate and electrically insulated from the first wiring; and a plurality of light-emitting elements arranged between the first and second substrates and arranged on the third wiring, wherein the plurality of light-emitting elements are arranged in areas overlapping, in a vertical direction, areas between the piezoelectric elements.

    MASK
    5.
    发明申请
    MASK 有权

    公开(公告)号:US20220362100A1

    公开(公告)日:2022-11-17

    申请号:US17761245

    申请日:2020-09-01

    Abstract: A mask according to an embodiment comprises: a body having a shape corresponding to a user's face; a first recess disposed on one surface of the body, opposite to the user's face; and a piezoelectric part disposed in the first recess, wherein the first recess has a shape recessed outward from the one surface of the body and is disposed in a region corresponding to at least one of the user's brow region and eye rim regions, and the piezoelectric unit protrudes beyond the one surface toward the user.

    MASK AND SKIN CARE DEVICE INCLUDING SAME

    公开(公告)号:US20220312940A1

    公开(公告)日:2022-10-06

    申请号:US17616264

    申请日:2020-05-29

    Abstract: A mask, according to an embodiment, comprises: a first wiring disposed on a first base layer; a piezoelectric element disposed on the first wiring; a second wiring disposed on the piezoelectric element; a second base layer disposed on the second wiring; a protective layer disposed between the first and second base layers and surrounding the first wire, the second wire, and the piezoelectric element; and a control unit which controls a driving frequency of the piezoelectric element. The control unit controls the driving frequency of the piezoelectric element in a frequency band defined as a first range, and the temperature of the piezoelectric element changes by means of the control of the driving frequency of the control unit.

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