GEOMETRIC PHASE OPTICAL ELEMENT AND THREE-DIMENSIONAL DISPLAY APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230236436A1

    公开(公告)日:2023-07-27

    申请号:US18194080

    申请日:2023-03-31

    CPC classification number: G02B30/25 G02F1/133528 G02F1/133538

    Abstract: A geometric phase optical element and a three-dimensional display apparatus including the same are provided. The geometric phase optical element includes: a liquid crystal layer; a first electrode on a surface of the liquid crystal layer; and a second electrode on another surface of the liquid crystal layer, wherein, when no voltage is applied to the first and second electrodes, the liquid crystal layer is configured such that a phase difference according to an arrangement of the liquid crystal is π and light transmitted through the liquid crystal layer is diffracted by a first deflection angle, and when a first voltage that causes the phase difference according to the arrangement of the liquid crystal to become π/2 is applied to the first and second electrodes, the liquid crystal layer is configured such that the light transmitted through the liquid crystal layer is diffracted by a second deflection angle.

    LIQUID CRYSTAL LIGHT DEFLECTOR
    14.
    发明申请

    公开(公告)号:US20180129105A1

    公开(公告)日:2018-05-10

    申请号:US15809569

    申请日:2017-11-10

    Abstract: A liquid crystal light deflector includes a first electrode layer including a plurality of pattern electrodes arranged with a constant pitch in a first direction on a first substrate, a first alignment layer covering the first electrode layer and having a plurality of concave portions formed on an upper surface thereof and extending in parallel to a second direction perpendicular to the first direction, a liquid crystal layer including a plurality of liquid crystal molecules each having a long diameter substantially parallel to the concave portions on the first alignment layer, a second electrode layer, which is a common electrode, disposed on the liquid crystal layer, and a second substrate disposed on the second electrode layer.

    BEAM MODULATOR AND DISPLAY APPARATUS USING THE SAME
    15.
    发明申请
    BEAM MODULATOR AND DISPLAY APPARATUS USING THE SAME 审中-公开
    光束调制器和使用它的显示设备

    公开(公告)号:US20160320640A1

    公开(公告)日:2016-11-03

    申请号:US15102400

    申请日:2014-12-10

    Abstract: Disclosed are a beam combining/splitting modulator, a display apparatus including the same, and a spatial light modulation method. The beam combining/splitting modulator includes a light modulator including first and second modulation regions for modulating light, a polarization converter disposed at a side of an emitting surface of the light modulator and including a first transmissive region for polarizing and converting light incident from the first modulation region to have a first polarization and a second transmissive region for polarizing and converting light incident from the second modulation region to have a second polarization, a birefringence modulator disposed at the side of an emitting surface of the polarization converter and switching between a first state in which birefringence occurs and a second state in which birefringence does not occur, and a polarizer disposed at the side of an emitting surface of the birefringence modulator.

    Abstract translation: 公开了一种光束组合/分离调制器,包括它的显示装置和空间光调制方法。 光束组合/分离调制器包括:光调制器,包括用于调制光的第一和第二调制区域;偏振转换器,设置在光调制器的发射表面的一侧,并包括第一透射区域,用于偏振和转换从第一 调制区域具有第一偏振和第二透射区域,用于偏振和转换从第二调制区域入射的光以具有第二偏振;双折射调制器,设置在偏振转换器的发射表面侧,并且在第一状态 其中发生双折射和不发生双折射的第二状态,以及设置在双折射调制器的发射表面侧的偏振器。

    LIGHT DEFLECTOR AND LIGHT OUTPUT DEVICE INCLUDING THE SAME

    公开(公告)号:US20210157212A1

    公开(公告)日:2021-05-27

    申请号:US17167872

    申请日:2021-02-04

    Abstract: Provided are a light deflector and a light output device including the light deflector, the light deflector including a first electrode layer and a second electrode layer that are spaced apart from each other and facing each other, and a deflection layer configured to deflect incident light thereon based on a voltage applied to the first electrode layer and the second electrode layer, wherein the first electrode layer includes a plurality of electrode elements that are spaced apart from each other, and a resistor that is in contact with at least part of the plurality of electrode elements and in which a voltage drop is generated.

    BEAM DEFLECTOR AND THREE-DIMENSIONAL DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20190258069A1

    公开(公告)日:2019-08-22

    申请号:US16206555

    申请日:2018-11-30

    Abstract: A beam deflector and a three-dimensional (3D) display device including the beam deflector are provided. The beam deflector includes a first deflector configured to controllably deflect incident light having a first polarization state in a first horizontal direction; a half-wave plate configured to rotate a polarization of light transmitted by the first deflector by 90°; and a second deflector configured to controllably deflect light transmitted by the half-wave plate having the first polarization state in a second horizontal direction that is different from the first horizontal direction.

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