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    COLOR-SCANNING GRATING-BASED BACKLIGHT AND ELECTRONIC DISPLAY USING SAME
    12.
    发明申请
    COLOR-SCANNING GRATING-BASED BACKLIGHT AND ELECTRONIC DISPLAY USING SAME 审中-公开

    公开(公告)号：US20180067251A1

    公开(公告)日：2018-03-08

    申请号：US15799953

    申请日：2017-10-31

    Applicant: LEIA INC.

    Inventor： James A. Baldwin ,  David A. Fattal

    IPC: F21V8/00 ,  G02B5/18 ,  H05B33/08

    CPC classification number: G02B6/0068 ,  G02B5/1866 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0073 ,  G02F2001/133622 ,  G02F2201/305 ,  H05B33/086

    Abstract: Color-scanning grating-based backlighting includes a color scanning protocol to provide different colors of light in different regions of a plate light guide with an intervening dark region. A color-scanning grating-based backlight includes the plate light guide and a diffraction grating configured to diffractively couple out a portion of a guided light beam as a coupled-out light beam directed away from a plate light guide surface at a predetermined principal angular direction. The backlight further includes a multicolor light source configured to provide the different colors of light to the plate light guide as the guided light beam according to the color scanning protocol. Provided light of a first color in a first region is separated from provided light of a second color in a second region one or both by the intervening dark region and by a light-confining wall of the plate light guide.

    Liquid crystal grating, manufacturing method and drive method thereof, and optical phased array device
    14.
    发明授权
    Liquid crystal grating, manufacturing method and drive method thereof, and optical phased array device 有权

    公开(公告)号：US09785016B2

    公开(公告)日：2017-10-10

    申请号：US14369441

    申请日：2013-12-19

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shiming Shi ,  Ling Shi ,  Tao Sun ,  Yunfei Li

    IPC: G02F1/1343

    CPC classification number: G02F1/134309 ,  G02F2201/305 ,  Y10T29/49124

    Abstract: The present invention discloses a liquid crystal grating, a manufacturing method and a drive method thereof, and an optical phased array. In the liquid crystal grating, plurality of first electrodes are formed on a lower substrate with first gaps formed between adjacent first electrodes, second electrodes are further provided above the first gaps with second gaps formed between adjacent second electrodes, and an insulation layer is provided between the first electrodes and the second electrodes. When voltages are applied to the first electrodes and the second electrodes, continuously and smoothly changing electric field is generated inside the liquid crystal grating, and then phases of incident light may be controlled continuously and smoothly, which improves the ability of the liquid crystal grating to modulate light beam.

    Acousto-optical tunable filter element
    15.
    发明授权
    Acousto-optical tunable filter element 有权
    声光可调谐滤光片

    公开(公告)号：US09400404B2

    公开(公告)日：2016-07-26

    申请号：US14249872

    申请日：2014-04-10

    Applicant: LEICA MICROSYSTEMS CMS GmbH

    Inventor： Hilmar Gugel ,  Volker Seyfried

    IPC: G02F1/01 ,  G02F1/33 ,  G02F1/11 ,  G02B21/16 ,  G02B27/46 ,  G02F1/29 ,  G02B3/00 ,  G02B21/00 ,  G02F1/00 ,  G02B27/09 ,  G02B27/42 ,  G02F1/03 ,  G02F1/35

    CPC classification number: G02F1/116 ,  G02B3/0087 ,  G02B21/0032 ,  G02B21/0064 ,  G02B21/16 ,  G02B27/0927 ,  G02B27/42 ,  G02B27/46 ,  G02F1/00 ,  G02F1/01 ,  G02F1/03 ,  G02F1/11 ,  G02F1/29 ,  G02F1/33 ,  G02F1/353 ,  G02F2201/305 ,  G02F2202/32 ,  G02F2203/12 ,  G02F2203/18 ,  G02F2203/24

    Abstract: An acousto-optical filter element (114) is provided which has an acousto-optical crystal (118) having an acoustic signal transmitter (120) for generating acoustic signals in the acousto-optical crystal (118). The acousto-optical crystal (118) is designed to selectively spatially deflect light of a target wavelength from an input light beam (116) entering into the acousto-optical crystal (118), as a function of a high frequency applied to the acoustic signal transmitter (120), and to thereby produce a target light beam (126) having the target wavelength. In addition, the acousto-optical filter element (114) includes a spatial filter element (132) which is located in the target light beam (126) and is designed to selectively suppress the intensity of the target light beam (126) in a plane perpendicular to the propagation direction of the target light beam (126).

    Abstract translation: 提供一种声光滤波器元件（114），其具有声光晶体（118），该声光晶体具有用于在声光晶体（118）中产生声信号的声信号发射器（120）。 声光晶体（118）被设计为根据进入声光晶体（118）的输入光束（116）选择性地空间偏转目标波长的光，作为施加到声信号的高频的函数 发射器（120），从而产生具有目标波长的目标光束（126）。 此外，声光滤波器元件（114）包括位于目标光束（126）中的空间滤光元件（132），并被设计成选择性地抑制平面中的目标光束（126）的强度 垂直于目标光束（126）的传播方向。

    System for controlling the chirp of an optical signal
    16.
    发明授权
    System for controlling the chirp of an optical signal 有权
    用于控制光信号啁啾的系统

    公开(公告)号：US09170469B1

    公开(公告)日：2015-10-27

    申请号：US14261295

    申请日：2014-04-24

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Takefumi Ota

    IPC: G02F1/03 ,  G02F1/35

    CPC classification number: G02F1/035 ,  G02F2201/305 ,  G02F2203/25

    Abstract: An apparatus for altering a chirp of an input light comprising one or more grating structures and one or more electro-optical blocks. In which a voltage is applied to the one or more electro-optical blocks to alter a chirp of light exiting the apparatus.

    Abstract translation: 一种用于改变包括一个或多个光栅结构和一个或多个电光块的输入光的啁啾的装置。 其中向一个或多个电光学块施加电压以改变离开设备的光的啁啾线。

    OPTICAL ELEMENT
    19.
    发明申请
    OPTICAL ELEMENT 审中-公开
    光学元件

    公开(公告)号：US20150131139A1

    公开(公告)日：2015-05-14

    申请号：US14396208

    申请日：2013-04-01

    Applicant: CANON KABUSHIKIK KAISHA

    Inventor： Masami Tsukamoto ,  Miki Ueda

    IPC: G02F1/155 ,  G02B5/18

    CPC classification number: G02F1/155 ,  G02B5/1828 ,  G02F1/15 ,  G02F2001/1536 ,  G02F2201/305

    Abstract: Provided is an optical element that can generate and extinguish a diffraction grating and can change the grating pitch of the appearing diffraction grating. The optical element includes a pair of opposing substrates, a plurality of electrodes arranged on one of the substrates, an electrochromic layer disposed so as to be in contact with the plurality of electrodes, and a counter electrode disposed so as to oppose the plurality of electrodes with the electrochromic layer therebetween. The optical element further includes insulating layers each disposed between the substrate and one of two adjacent electrodes in the plurality of electrodes and each having a thickness larger than that of the other electrode of the two adjacent electrodes.

    Abstract translation: 提供了可以产生和熄灭衍射光栅并且可以改变出现的衍射光栅的光栅间距的光学元件。 光学元件包括一对相对的基板，布置在一个基板上的多个电极，设置成与多个电极接触的电致变色层，以及设置成与多个电极相对的对置电极 其间具有电致变色层。 光学元件还包括绝缘层，每个绝缘层设置在基板和多个电极中的两个相邻电极中的一个之间，每个电极的厚度大于两个相邻电极的另一个电极的厚度。

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