公开(公告)号：US09557596B2

公开(公告)日：2017-01-31

申请号：US13571374

申请日：2012-08-10

Applicant: Ting-I Wu ,  Wang-Yang Li

Inventor： Ting-I Wu ,  Wang-Yang Li

IPC: G02F1/1335

CPC classification number: G02F1/133504 ,  G02F1/133528 ,  G02F2001/133507 ,  G02F2001/133531 ,  G02F2201/305

Abstract: A liquid crystal display (LCD) is provided and includes an liquid crystal panel, a diffraction plate, a first polarizer, a second polarizer, a first brightness enhancement film (BEF), and a second BEF. The diffraction plate is disposed on a first surface of the liquid crystal panel and has a diffractive direction. The first polarizer is disposed between the diffraction plate and the liquid crystal panel and has a first absorption axis. The second polarizer is disposed on a second surface of the liquid crystal panel opposite to the first surface and has a second absorption axis perpendicular to the first absorption axis. The first BEF has a first light-collecting direction. The second BEF has a second light-collecting direction perpendicular to the first light-collecting direction. The first light-collecting direction is parallel or perpendicular to the diffractive direction or the first absorption axis.

Abstract translation: 提供一种液晶显示器（LCD），包括液晶面板，衍射板，第一偏振器，第二偏振器，第一亮度增强膜（BEF）和第二BEF。 衍射板设置在液晶面板的第一表面上并具有衍射方向。 第一偏振器设置在衍射板和液晶面板之间并具有第一吸收轴。 第二偏振器设置在与第一表面相对的液晶面板的第二表面上，并且具有垂直于第一吸收轴的第二吸收轴。 第一个BEF具有第一个聚光方向。 第二BEF具有垂直于第一聚光方向的第二聚光方向。 第一聚光方向平行或垂直于衍射方向或第一吸收轴线。

公开(公告)号：US09507239B2

公开(公告)日：2016-11-29

申请号：US14627672

申请日：2015-02-20

Applicant: ROFIN-SINAR LASER GMBH

Inventor： Uwe Lehmann ,  Axel Reiser

IPC: G02F1/35 ,  H01S3/00

CPC classification number: G02F1/3544 ,  G02F1/3501 ,  G02F1/3534 ,  G02F2001/3503 ,  G02F2001/3507 ,  G02F2001/3509 ,  G02F2001/354 ,  G02F2201/305 ,  H01S3/0071 ,  H01S3/0092

Abstract: A device for frequency conversion of a first laser beam generated with a first frequency. The device has a first crystal for generating a second laser beam having a second frequency, which differs from the first frequency. The second laser beam propagates parallel to the first laser beam after leaving the first crystal. A second crystal, which generates from the first and second laser beams a third laser beam having a different third frequency. An optical deflection device influences the relative beam position between first and second laser beams such that the first and second laser beams, before entering into the second crystal, propagate at an angle with respect to one another, which angle differs from zero, and enter in a manner spaced apart from one another at an entrance surface of the second crystal and intersect within the second crystal with at the same time collinear phase matching.

Abstract translation: 一种用于以第一频率产生的第一激光束进行频率转换的装置。 该装置具有用于产生具有与第一频率不同的第二频率的第二激光束的第一晶体。 第二激光束在离开第一晶体之后平行于第一激光束传播。 第二晶体，其从第一和第二激光束产生具有不同第三频率的第三激光束。 光学偏转装置影响第一和第二激光束之间的相对光束位置，使得第一和第二激光束在进入第二晶体之前以相对于彼此成一定角度传播，该角度与零不同，并进入 在第二晶体的入射表面处彼此间隔开的方式，并且在第二晶体内相交，同时具有共线相位匹配。

公开(公告)号：US20160282644A1

公开(公告)日：2016-09-29

申请号：US14652983

申请日：2014-12-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chia Chiang LIN ,  Yanbing WU

IPC: G02F1/13 ,  G02F1/1335 ,  G09G3/36

CPC classification number: G02F1/1323 ,  G02F1/133502 ,  G02F1/133512 ,  G02F1/133514 ,  G02F2201/305 ,  G09G3/36 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2320/068 ,  G09G2358/00

Abstract: A display device and driving method thereof are disclosed. The display device includes a display screen, including a plurality of sub-pixels arranged in the form of a matrix, colors of the sub-pixels in the same column including all colors necessary for display by the display screen; a grating disposed on top of the display screen, including light-transmissive regions and light-shading regions that are arranged alternately, the light-transmissive regions being in parallel to each column of the sub-pixels; a rolling structure, located between the display screen and the grating; and a push mechanism, for pushing the grating and/or the display screen, so that relative position of the grating and the display screen is switchable between a first state and a second state, and switchover between a dual viewing field display effect and an anti-spy display effect is achieved for the display device.

Abstract translation: 公开了一种显示装置及其驱动方法。 显示装置包括显示屏，包括以矩阵形式排列的多个子像素，同一列中的子像素的颜色包括由显示屏显示所需的所有颜色; 设置在所述显示屏的顶部上的光栅，包括交替布置的透光区域和遮光区域，所述透光区域与所述子像素的每列平行; 位于显示屏和光栅之间的滚动结构; 以及用于推动光栅和/或显示屏幕的推动机构，使得光栅和显示屏的相对位置可在第一状态和第二状态之间切换，并且在双视场显示效果和反视觉显示效果之间切换 显示设备实现了显示效果。

公开(公告)号：US20160072247A1

公开(公告)日：2016-03-10

申请号：US14627672

申请日：2015-02-20

Applicant: ROFIN-SINAR LASER GMBH

Inventor： Uwe Lehmann ,  Axel Reiser

IPC: H01S3/00 ,  G02F1/35

CPC classification number: G02F1/3544 ,  G02F1/3501 ,  G02F1/3534 ,  G02F2001/3503 ,  G02F2001/3507 ,  G02F2001/3509 ,  G02F2001/354 ,  G02F2201/305 ,  H01S3/0071 ,  H01S3/0092

Abstract: A device for frequency conversion of a first laser beam generated with a first frequency. The device has a first crystal for generating a second laser beam having a second frequency, which differs from the first frequency. The second laser beam propagates parallel to the first laser beam after leaving the first crystal. A second crystal, which generates from the first and second laser beams a third laser beam having a different third frequency. An optical deflection device influences the relative beam position between first and second laser beams such that the first and second laser beams, before entering into the second crystal, propagate at an angle with respect to one another, which angle differs from zero, and enter in a manner spaced apart from one another at an entrance surface of the second crystal and intersect within the second crystal with at the same time collinear phase matching.

Abstract translation: 一种用于以第一频率产生的第一激光束进行频率转换的装置。 该装置具有用于产生具有与第一频率不同的第二频率的第二激光束的第一晶体。 第二激光束在离开第一晶体之后平行于第一激光束传播。 第二晶体，其从第一和第二激光束产生具有不同第三频率的第三激光束。 光学偏转装置影响第一和第二激光束之间的相对光束位置，使得第一和第二激光束在进入第二晶体之前以相对于彼此成一定角度传播，该角度与零不同，并进入 在第二晶体的入射表面处彼此间隔开的方式，并且在第二晶体内相交，同时具有共线相位匹配。

公开(公告)号：US20150355410A1

公开(公告)日：2015-12-10

申请号：US14690126

申请日：2015-04-17

Applicant: Korea Advanced Institute of Science and Technology

Inventor： Hyo Hoon PARK ,  Jong Hun KIM ,  Sun Kyu HAN ,  Min Jung BAE

IPC: G02B6/34

CPC classification number: G02F1/0147 ,  G02F2001/0151 ,  G02F2201/305

Abstract: A structure of an optical grating coupler for tuning the center wavelength of signals which are propagated to a waveguide by changing the effective refractive index of the optical grating coupler is provided. The optical grating coupler includes a region for changing the effective refractive index of the optical grating coupler, which is included in the inside or outside of the optical grating coupler. The region receives a signal for changing the effective refractive index of the optical grating coupler.

Abstract translation: 提供了一种光栅耦合器的结构，用于通过改变光栅耦合器的有效折射率来调谐传播到波导的信号的中心波长。 光栅耦合器包括用于改变光栅耦合器的内部或外部的光栅耦合器的有效折射率的区域。 该区域接收用于改变光栅耦合器的有效折射率的信号。

公开(公告)号：US09195104B2

公开(公告)日：2015-11-24

申请号：US13814018

申请日：2011-07-29

Applicant: Mitsuhiro Murata ,  Shuichi Kozaki ,  Takehisa Sakurai ,  Yosuke Iwata

Inventor： Mitsuhiro Murata ,  Shuichi Kozaki ,  Takehisa Sakurai ,  Yosuke Iwata

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/13439 ,  G02F1/133707 ,  G02F1/134363 ,  G02F2201/305

Abstract: A liquid crystal panel (2) is a vertical alignment type liquid crystal panel using a horizontal electric field driving system which performs display by driving a liquid crystal layer (50) interposed between substrates (10, 20) in a horizontal electric field, each pixel includes three sub-pixels (6R, 6G, and 6B), which are of red, green, and blue, comb-shaped electrodes (14, 15) include a function as a diffraction grating with the comb-shaped electrodes (14, 15) and spaces between the comb-shaped electrodes (14, 15), and pitch distances (D) between electrodes are set such that an optical diffraction efficiency for red wavelength and an optical diffraction efficiency for green wavelength are greater than an optical diffraction efficiency for blue wavelength. Thus, it is possible to provide a liquid crystal panel and a liquid crystal display apparatus having a wide viewing angle with less color change with a simple configuration.

Abstract translation: 液晶面板（2）是使用水平电场驱动系统的垂直取向型液晶面板，其通过在水平电场中驱动介于基板（10,20）之间的液晶层（50）来进行显示，每个像素 包括红色，绿色和蓝色梳状电极（14,15）的三个子像素（6R，6G和6B）包括具有梳状电极（14,15）的衍射光栅的功能 ）和梳状电极（14,15）之间的间隔和电极之间的间距（D）设定为使得红色波长的光学衍射效率和绿色波长的光学衍射效率大于用于 蓝色波长。 因此，可以以简单的结构提供具有宽的视角的液晶面板和液晶显示装置，具有较少的颜色变化。

公开(公告)号：US20150289762A1

公开(公告)日：2015-10-15

申请号：US14409875

申请日：2013-05-10

Applicant: Milan Momcilo POPOVICH ,  Jonathan David WALDERN ,  Alastair John GRANT

Inventor： Milan Momcilo POPOVICH ,  Jonathan David WALDERN ,  Alastair John GRANT

IPC: A61B3/113 ,  G02B27/01

CPC classification number: G02B27/0093 ,  A61B3/113 ,  G02B5/18 ,  G02B6/0016 ,  G02B6/34 ,  G02B6/4287 ,  G02B27/017 ,  G02B27/0172 ,  G02B2027/0138 ,  G02B2027/014 ,  G02B2027/0174 ,  G02B2027/0187 ,  G02F1/13342 ,  G02F1/292 ,  G02F1/2955 ,  G02F1/3132 ,  G02F2001/294 ,  G02F2201/16 ,  G02F2201/30 ,  G02F2201/302 ,  G02F2201/305 ,  G02F2201/307 ,  G02F2203/24 ,  G02F2203/28 ,  G02F2203/62 ,  G06K9/0061 ,  H04N5/33

Abstract: An eye tracker having a waveguide for propagating illumination light towards an eye and propagating image light reflected from at least one surface of an eye, a light source optically coupled to the waveguide, and a detector optically coupled to the waveguide. Disposed in the waveguide is at least one grating lamina for deflecting the illumination light towards the eye along a first waveguide path and deflecting the image light towards the detector along a second waveguide path.

Abstract translation: 一种眼睛跟踪器，具有用于将照明光朝向眼睛传播并传播从眼睛的至少一个表面反射的图像光的波导，光学耦合到波导的光源以及光学耦合到波导的检测器。 布置在波导中的是至少一个光栅层，用于沿着第一波导路径偏转照明光朝向眼睛，并沿着第二波导路径将图像光朝向检测器偏转。

公开(公告)号：US20140347609A1

公开(公告)日：2014-11-27

申请号：US14452563

申请日：2014-08-06

Applicant: Chi Mei Materials Technology Corporation

Inventor： Wang-Yang Li ,  Ting-I Wu

IPC: G02F1/1335 ,  G02B5/30 ,  G02B5/18

CPC classification number: G02F1/133504 ,  G02B5/1819 ,  G02B5/1866 ,  G02B5/3025 ,  G02F2001/133562 ,  G02F2201/305

Abstract: A display apparatus is provided. The display apparatus comprises a liquid crystal display device, a first polarizer and a diffractive optical element. The first polarizer is disposed on a light emitting side of the liquid crystal display device. An azimuth angle of a polarizing direction of the first polarizer is 90 degrees. The diffractive optical element is disposed on the light emitting side of the liquid crystal display device and comprises at least a first diffraction grating. An azimuth angle of a grating direction of the first diffraction grating is 10±30 degrees or 85±25 degrees.

Abstract translation: 提供一种显示装置。 显示装置包括液晶显示装置，第一偏振器和衍射光学元件。 第一偏振器设置在液晶显示装置的发光侧。 第一偏振器的偏振方向的方位角为90度。 衍射光学元件设置在液晶显示装置的发光侧，并且至少包括第一衍射光栅。 第一衍射光栅的光栅方向的方位角为10±30度或85±25度。

公开(公告)号：US08817350B1

公开(公告)日：2014-08-26

申请号：US13355360

申请日：2012-01-20

Applicant: Steven J. Robbins ,  James H. Stanley ,  Francois Raynal ,  Robert D. Brown ,  James M. Tedesco ,  Wyatt L. Hendrick ,  Milan M. Popovich ,  Jonathan D. Waldern ,  Alastair J. Grant

Inventor： Steven J. Robbins ,  James H. Stanley ,  Francois Raynal ,  Robert D. Brown ,  James M. Tedesco ,  Wyatt L. Hendrick ,  Milan M. Popovich ,  Jonathan D. Waldern ,  Alastair J. Grant

IPC: G02B5/32 ,  G02B5/18 ,  G09G5/00

CPC classification number: G02B5/32 ,  G02B5/1828 ,  G02B6/00 ,  G02B26/0808 ,  G02B27/01 ,  G02B27/017 ,  G02F2201/305 ,  G03H1/30 ,  G03H2001/2226 ,  Y10S359/90

Abstract: An apparatus for providing an optical display includes an optical substrate for propagating light received from a light source, a first set of one or more switchable diffractive elements in the substrate, and a second set of one or more switchable diffractive elements in the substrate. Each diffractive element in the second set corresponds to a diffractive element in the first set. Each of the diffractive elements in the first and second sets is configured to switch between on and off states. One of the states is for diffracting light and the other state for allowing light to pass through. Each of the first set of diffractive elements is configured to diffract the light at an angle for propagation in the substrate. Each of the second set of diffractive elements is configured to diffract the light for display.

Abstract translation: 一种用于提供光学显示器的设备包括：用于传播从光源接收的光的光学基板，在该基板中的第一组一个或多个可切换衍射元件，以及在该基板中的第二组一个或多个可切换衍射元件。 第二组中的每个衍射元件对应于第一组中的衍射元件。 第一组和第二组中的每个衍射元件构造成在开和关状态之间切换。 其中一个状态是用于衍射光，另一种状态是允许光通过。 第一组衍射元件中的每一个被配置为以一定角度衍射光以在基板中传播。 第二组衍射元件中的每一个被配置为衍射用于显示的光。

公开(公告)号：US08718414B2

公开(公告)日：2014-05-06

申请号：US13366670

申请日：2012-02-06

Applicant: Hilmar Gugel ,  Volker Seyfried

Inventor： Hilmar Gugel ,  Volker Seyfried

IPC: G02F1/335 ,  G02F1/11

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。