会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 72. 发明授权
    • Diffractive liquid crystal display
    • 衍射液晶显示
    • US08384861B2
    • 2013-02-26
    • US12510424
    • 2009-07-28
    • Mary Lou Jepsen
    • Mary Lou Jepsen
    • G02F1/1335G02F1/13
    • G02F1/133555G02B5/18G02B5/1842G02F1/133615G02F2001/133607G02F2001/133618G02F2201/305G02F2203/62
    • A liquid crystal display (LCD) comprises a light source; a light diffractor over the light source configured to diffract light received from the light source; a liquid crystal diffraction grating over the light diffractor and between liquid crystal pixel structures comprising a plurality of liquid crystal pixels; the liquid crystal diffraction grating has a changed diffraction index in response to application of a voltage differential across the diffraction grating, and when having the changed diffraction index aligns diffracted light received from the light diffractor into aligned light directed toward the liquid crystal pixel structure. An LCD may comprise a plurality of liquid crystal pixels each comprising a reflective part and a transmissive part, the reflective part of at least some of the plurality of liquid crystal pixels comprising a retroreflector configured to reflect at least some light rays, received from an external light source, toward the external light source.
    • 液晶显示器(LCD)包括光源; 光源上的光衍射器,被配置为衍射从光源接收的光; 在所述光衍射器上方的液晶衍射光栅和包括多个液晶像素的液晶像素结构之间; 液晶衍射光栅响应于在衍射光栅上施加电压差而具有改变的衍射指数,并且当改变的衍射指数将从光衍射器接收的衍射光对准到朝向液晶像素结构的对准光时。 LCD可以包括多个液晶像素,每个液晶像素包括反射部分和透射部分,多个液晶像素中的至少一些液晶像素的反射部分包括被配置为反射从外部接收的至少一些光线的后向反射器 光源,朝向外部光源。
    • 77. 发明申请
    • OPTICAL SYSTEM INCLUDING DIFFRACTIVE GRATING AND OPTICAL APPARATUS
    • 光学系统,包括衍射光栅和光学设备
    • US20120081790A1
    • 2012-04-05
    • US13236766
    • 2011-09-20
    • Hiroto YASUI
    • Hiroto YASUI
    • G02B27/44G02B15/14
    • G02B5/18G02B5/1814G02B15/177G02B27/4205
    • The optical system includes plural lens groups, a negative lens included in one lens group among the plural lens groups and formed of a first medium, a diffractive grating formed on at least one lens surface of the negative lens and being in contact with a second medium different from the first medium, and a positive lens included in the one lens group and formed of a third medium different from the first medium and the second medium. The first medium satisfies ndA≧1.7 and 40≦νdA≦55 where ndA represents a refractive index of the first medium for a d-line, and νdA represents an Abbe number of the first medium for the d-line. The third medium satisfies ndC≦1.55 and νdC≧60 where ndC represents a refractive index of the third medium for the d-line, and νdC represents an Abbe number of the third medium for the d-line.
    • 光学系统包括多个透镜组,包括在多个透镜组中的一个透镜组中并由第一介质形成的负透镜,形成在负透镜的至少一个透镜表面上并与第二介质接触的衍射光栅 与第一介质不同,以及包括在一个透镜组中并由与第一介质和第二介质不同的第三介质形成的正透镜。 第一种介质满足ndA≥1.7和40≦̸&ngr; dA≦̸ 55其中ndA表示第一种介质用于d线的折射率,d n表示d线的第一种介质的阿贝数。 第三种介质满足ndC≦̸ 1.55和&ngr;dC≥60,其中ndC表示第三种介质为d线的折射率,dC表示d线的第三种介质的阿贝数。
    • 79. 发明授权
    • Optical device, and virtual image display device
    • 光学设备和虚拟图像显示设备
    • US08073296B2
    • 2011-12-06
    • US13102397
    • 2011-05-06
    • Hiroshi MukawaKatsuyuki Akutsu
    • Hiroshi MukawaKatsuyuki Akutsu
    • G02B6/26G02B5/32
    • G02B27/0172G02B5/18G02B5/1842G02B6/00G02B6/0026G02B6/0033G02B6/005G02B6/2848G02B6/43G02B13/18G02B17/004G02B17/006G02B17/0856G02B27/0081G02B27/01G02B27/0103G02B27/017G02B27/144G02B2027/0116G02B2027/0118G02B2027/0125G02B2027/0174
    • A virtual image display device which displays a two-dimensional image for viewing a virtual image in a magnified form by a virtual optical system. The virtual image display device includes an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide. Some of the parallel pencil groups guided through the optical waveguide being totally reflected different numbers of times for a period from external incidence upon the optical waveguide until outgoing from the optical waveguide.
    • 虚拟图像显示装置,其通过虚拟光学系统显示用于以放大形式观看虚拟图像的二维图像。 虚拟图像显示装置包括光波导,通过内部全反射来引导满足内部全反射条件的平行笔组,第一反射体积全息图光栅,用于从外部衍射并反射入射在光波导上的平行笔组, 沿着不同方向行进,以满足光波导内的内部全反射的条件和第二反射体全息图光栅,以使来自光波导的光波导内的内部全反射引导的平行笔组投影 通过其衍射和反射,以便偏离光波导内的内部全反射的条件。 引导穿过光波导的一些平行铅笔组在从光波导的外部入射到光波导出射的时间段内被完全反射不同的次数。
    • 80. 发明申请
    • SOLID-STATE IMAGE PICKUP DEVICE, IMAGING DEVICE, AND DISPERSING ELEMENT
    • 固态图像拾取装置,成像装置和分散元件
    • US20110267487A1
    • 2011-11-03
    • US12985353
    • 2011-01-06
    • Michihiro YAMAGATAYasuhiro TANAKAKazuhiro YAMADAKazuyoshi ITOHYasuyuki OZEKI
    • Michihiro YAMAGATAYasuhiro TANAKAKazuhiro YAMADAKazuyoshi ITOHYasuyuki OZEKI
    • H04N5/228H04N5/225G02B5/18
    • H01L27/14629G02B5/18H01L27/14627
    • A solid-state image pickup device capable of taking more light into light receiving regions is provided. The solid-state image pickup device of the present invention includes: a photoelectric conversion unit having a plurality of light receiving regions that are two-dimensionally arrayed, the photoelectric conversion unit for photoelectrically converting light incident on each of the light receiving regions, and outputting an electric signal according to the intensity of the incident light; a lens unit comprising a plurality of converging lenses provided on an upper layer of the photoelectric conversion unit, each of the converging lens being provided corresponding to a set of continuous first to third light receiving regions; and a dispersing element provided between the photoelectric conversion unit and the lens unit, the dispersing element being formed of a medium whose refractive index varies periodically, and diffracting beams of a first wavelength band and of a third wavelength band, having been transmitted through the converging lens, and directing the beams onto the first light receiving region and the third light receiving region, and transmitting, without diffracting, a beam of a second wavelength band, having been transmitted through the converging lens, and directing the beam onto the second light receiving region.
    • 提供了能够将更多的光吸收到光接收区域的固体摄像装置。 本发明的固态摄像装置具有:具有二维排列的多个受光区域的光电转换单元,对各受光区域入射的光进行光电转换的光电转换单元,并输出 根据入射光强度的电信号; 透镜单元,包括设置在所述光电转换单元的上层上的多个会聚透镜,所述会聚透镜对应于一组连续的第一至第三光接收区域而设置; 以及设置在所述光电转换单元和所述透镜单元之间的分散元件,所述分散元件由折射率周期性变化的介质形成,并且衍射已经通过会聚的第一波长带和第三波长带的波束 并且将光束引导到第一光接收区域和第三光接收区域上,并且在不衍射的情况下传输已经透过会聚透镜的第二波长带的光束,并将光束引导到第二光接收 地区。