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    DISPLAY DEVICE
    164.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20230221598A1

    公开(公告)日：2023-07-13

    申请号：US18120003

    申请日：2023-03-10

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Naewon JANG ,  Youngchol LEE ,  Hyungsuk KIM ,  Seokwoo YONG

    IPC: G02F1/1335 ,  G02F1/13357

    CPC classification number: G02F1/133614 ,  G02F1/133603 ,  G02F1/133608 ,  G02F1/133621 ,  G02F1/133605 ,  G02F2202/36 ,  G02F2201/346 ,  G02F2202/28

    Abstract: A display device may have a reduced thickness while having enhanced color reproducibility by having an improved structure. The display device may include: a liquid crystal panel; a light source plate which is arranged at the rear of the liquid crystal panel to provide light to the liquid crystal panel, and which includes a printed circuit board and an LED chip mounted on the printed circuit board; and a chip cover which is provided to cover a light-emitting surface of the LED chip, and which changes the wavelength of the light emitted from the LED chip, wherein the chip cover includes: a cover layer having a first surface arranged to face the light-emitting surface of the LED chip, a second surface opposite to the first surface, and an accommodating groove provided on the second surface; a light conversion member which changes the wavelength of the light emitted from the LED chip, and which is accommodated in the accommodating groove; and a barrier layer for covering the second surface to cover the light conversion member from the outside.

    OPTICAL MODULATOR USING PHASE CHANGE MATERIAL AND DEVICE INCLUDING THE SAME
    165.
    发明申请
    OPTICAL MODULATOR USING PHASE CHANGE MATERIAL AND DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20180046056A1

    公开(公告)日：2018-02-15

    申请号：US15674103

    申请日：2017-08-10

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Byunghoon NA ,  Yonghwa PARK

    IPC: G02F1/19 ,  H04B10/80 ,  H04B10/67 ,  G02F1/055 ,  H04B10/548

    CPC classification number: G02F1/19 ,  G02F1/0147 ,  G02F1/0553 ,  G02F1/21 ,  G02F2001/0151 ,  G02F2201/346 ,  G02F2202/00 ,  G02F2202/32 ,  G02F2203/50 ,  H04B10/548 ,  H04B10/67 ,  H04B10/80

    Abstract: Provided are optical modulators and devices including the optical modulators. The optical modulator may include an optical modulation layer that includes a phase change material. A first electrode may be provided on a first surface of the optical modulation layer. A second electrode may be provided on a second surface of the optical modulation layer. A first phase controlling layer may be provided, the first electrode being disposed between the first phase controlling layer and the optical modulation layer. A second phase controlling layer may be provided, the second electrode being disposed between the second phase controlling layer and the optical modulation layer. Each of the first and the second phase controlling layers may have an optical thickness corresponding to an odd multiple of λ/4, where λ is a wavelength of incident light to be modulated by the optical modulator. The optical modulator may further include at least one reflective layer. The optical modulation layer may have a thickness of about 10 nm or less. An operating voltage of the optical modulator may be about 10 V or less.

    Multidirectional communication system
    167.
    发明授权
    Multidirectional communication system 有权
    多向通信系统

    公开(公告)号：US09544054B1

    公开(公告)日：2017-01-10

    申请号：US14822677

    申请日：2015-08-10

    Applicant: Facebook, Inc.

    Inventor： Tobias Gerard Tiecke ,  Kevin Jerome Quirk ,  Yael Maguire

    IPC: H04B10/116

    CPC classification number: G02F1/365 ,  G02F2201/346 ,  H04B10/1141 ,  H04B10/116

    Abstract: Various of the disclosed embodiments incorporate wavelength-shifting (WLS) materials to facilitate high data rate communication. Some embodiments employ a waveguide incorporating such WLS materials to receive a wireless signal from a source. The signal may be, e.g., in the optical or ultraviolet ranges, facilitating a ˜10 Gbps data rate. Because the WLS material is sensitive in all directions, the source may be isotropic or wide-angled. The WLS material may be shaped into one or more “bands” that may cover an object, e.g., a head-mounted display. A detector may be coupled with the bands to receive the wavelength-shifted signal and to recover the original signal from the source. The WLS material may be modified to improve the waveguide retention, e.g., by incorporating layers of material having a different reflection coefficient or a Bragg reflector.

    Abstract translation: 各种所公开的实施例结合了波长移位（WLS）材料以便于高数据速率通信。 一些实施例采用包含这样的WLS材料的波导从源接收无线信号。 信号可以是例如在光学或紫外范围内，有助于10Gbps的数据速率。 因为WLS材料在所有方向都是敏感的，所以源可以是各向同性的或广角的。 WLS材料可以被成形为可以覆盖物体的一个或多个“带”，例如头戴式显示器。 检测器可以与频带耦合以接收波长移位的信号并从源恢复原始信号。 可以修改WLS材料以改善波导保持，例如通过引入具有不同反射系数的材料层或布拉格反射器。

    Spectrum filtering for visual displays and imaging having minimal angle dependence
    168.
    发明授权
    Spectrum filtering for visual displays and imaging having minimal angle dependence 有权
    用于视觉显示和具有最小角度依赖性的成像的频谱滤波

    公开(公告)号：US09261753B2

    公开(公告)日：2016-02-16

    申请号：US13452313

    申请日：2012-04-20

    Applicant: Lingjie Jay Guo ,  Ting Xu

    Inventor： Lingjie Jay Guo ,  Ting Xu

    IPC: G02B5/28 ,  G02F1/21 ,  G02B5/20 ,  G02F1/1335

    CPC classification number: G02F1/216 ,  G02B5/201 ,  G02B5/288 ,  G02F2001/133521 ,  G02F2001/213 ,  G02F2201/346 ,  G02F2202/30 ,  G02F2202/32

    Abstract: An optical spectrum filtering device, e.g., color filter, having reduced angle dependence is provided that comprises an interference filter assembly comprising a high refractive index dielectric material, such as a Fabry-Perot based resonator structure. The filter assembly is capable of transmitting a portion of an electromagnetic spectrum into the dielectric material to generate a filtered output with a predetermined range of wavelengths that displays minimal angle dependence, when viewed from a range of incidence angles ranging from normal (0°) to 90°. Methods of making minimal angle dependent optical spectrum filters and reducing angle dependence for such devices are also provided.

    Abstract translation: 提供具有减小的角度依赖性的光谱滤波装置，例如滤色器，其包括包括高折射率介电材料的干涉滤光器组件，例如基于法布里 - 珀罗的谐振器结构。 过滤器组件能够将电磁光谱的一部分传输到电介质材料中以产生具有预定范围的波长的滤波输出，该波长显示出最小的角度依赖性，当从正常（0°）到 90°。 还提供了使最小角度相关光谱滤波器和减小这种装置的角度依赖性的方法。

    Light source device, analysis device, and light generation method
    170.
    发明授权
    Light source device, analysis device, and light generation method 有权
    光源装置，分析装置和光生成方法

    公开(公告)号：US08654801B2

    公开(公告)日：2014-02-18

    申请号：US13861576

    申请日：2013-04-12

    Applicant: Fuji Electric Co., Ltd.

    Inventor： Masanori Oto

    IPC: H01S3/10

    CPC classification number: H01S3/1055 ,  G01D5/35316 ,  G02B6/022 ,  G02F1/0134 ,  G02F1/37 ,  G02F1/39 ,  G02F2201/16 ,  G02F2201/17 ,  G02F2201/346

    Abstract: In aspects of the invention, wavelength conversion element has a harmonic generation portion and a parametric oscillation portion. The harmonic generation portion generates a harmonic of laser light output from a laser light source. The parametric oscillation portion generates signal light and idler light from the harmonic generated by the harmonic generation portion. In some aspects of the invention, electrodes and a first voltage control portion control the intensity of the harmonic generated by the harmonic generation portion. A first FBG (Fiber Bragg Grating) and a second FBG cause resonance of signal light output from the parametric oscillation portion. A piezo tube and a second voltage control portion change the resonance frequency of the first FBG and the second FBG.

    Abstract translation: 在本发明的方面中，波长转换元件具有谐波产生部分和参数振荡部分。 谐波产生部分产生从激光源输出的激光的谐波。 参数振荡部分由谐波产生部分产生的谐波产生信号光和惰轮。 在本发明的一些方面中，电极和第一电压控制部分控制由谐波产生部分产生的谐波的强度。 第一FBG（光纤布拉格光栅）和第二FBG引起从参量振荡部分输出的信号光的共振。 压电管和第二电压控制部分改变第一FBG和第二FBG的谐振频率。

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