OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE INCLUDING SAME

    公开(公告)号:US20240272420A1

    公开(公告)日:2024-08-15

    申请号:US18007420

    申请日:2021-07-26

    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.

    LIGHT ROUTE CONTROL MEMBER AND DISPLAY HAVING THE SAME

    公开(公告)号:US20240094591A1

    公开(公告)日:2024-03-21

    申请号:US17754681

    申请日:2020-09-21

    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.

    OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME

    公开(公告)号:US20230229035A1

    公开(公告)日:2023-07-20

    申请号:US18007139

    申请日:2021-07-23

    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.

    LIGHT PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME

    公开(公告)号:US20230185152A1

    公开(公告)日:2023-06-15

    申请号:US17923528

    申请日:2021-04-15

    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.

    LIGHT ROUTE CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME

    公开(公告)号:US20220342273A1

    公开(公告)日:2022-10-27

    申请号:US17753966

    申请日:2020-09-03

    Abstract: An optical path control member, according to an embodiment, comprises: a first substrate; a first electrode disposed on an upper surface of the first substrate; a second substrate disposed on the first substrate; a second electrode disposed on a lower surface of the second substrate; and an optical conversion unit disposed between the first electrode and the second electrode, wherein the optical conversion unit includes partition wall parts and accommodation parts which are alternately disposed, the accommodation parts have a light transmission rate that varies according to the application of voltage, and comprise dispersion liquids and optical conversion particles dispersed in the dispersion liquids, the optical conversion particles include first particles and second particles, each of the second particles has a hollow formed therein, and each surface of the first particles and each surface of the second particles are charged with the same polarity.

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