Surface stabilized ferroelectric liquid crystal switching using
proximity effects
    1.
    发明授权
    Surface stabilized ferroelectric liquid crystal switching using proximity effects 失效
    表面稳定铁电液晶切换采用近距离效应

    公开(公告)号:US5103329A

    公开(公告)日:1992-04-07

    申请号:US687463

    申请日:1991-04-19

    IPC分类号: G02F1/141 G11C19/08

    CPC分类号: G02F1/141 G11C19/08

    摘要: An electro-optic shift register uses proximity effects to propagate data more efficiently. The apparatus includes a pair of conducting planes separated by a plane spacing, whereby one of the conducting planes includes a plurality of electrodes having an electrode gap narrower than the plane spacing. A Surface Stabilized Ferroelectric Liquid Crystal is located between the conducting planes with a thickness sufficient to enable the formation of a domain wall between the pixels corresponding with the electrodes. The resulting domain wall also overlaps the pixels and the corresponding electrodes. The domain wall provides a desirable proximity effect by overlapping regions having nonzero electrostatic potential. A three-phase timing sequence ensures the domain wall propagates in a single direction.

    摘要翻译: 电光移位寄存器使用邻近效应更有效地传播数据。 该装置包括由平面间隔分开的一对导电平面,由此一个导电平面包括具有比平面间隔窄的电极间隙的多个电极。 表面稳定铁电液晶位于导电平面之间,其厚度足以能够在对应于电极的像素之间形成畴壁。 所得到的畴壁也与像素和相应的电极重叠。 畴壁通过具有非零静电势的重叠区域提供期望的接近效应。 三相定时序列确保畴壁在单个方向上传播。

    Phase masks for use in holographic data storage
    3.
    发明申请
    Phase masks for use in holographic data storage 失效
    用于全息数据存储的相位掩模

    公开(公告)号:US20050207313A1

    公开(公告)日:2005-09-22

    申请号:US11046197

    申请日:2005-01-27

    摘要: A spatial light modulator (SLM) having a phase mask that is provided as an internal component thereof. The phase mask can be provided as a multilevel surface of relatively higher index of refraction material on an inner surface of a transmissive cover window or as a separate transmissive window between the cover window and the pixels of the SLM. If the phase mask is to be used with a liquid crystal SLM, then it may be desirable to planarize the surface of the cover window contacting the liquid crystal by providing a layer of relatively lower index of refraction material adjacent the multilevel surface. The phase mask can also be provided on the transmissive cover window by patterned ion deposition, exposing patterned light to a photopolymeric material, or in some other suitable fashion. Arranging for the pixel electrodes to be at one of multiple levels rather than lying in an exactly planar relationship can also effectively create the phase mask.

    摘要翻译: 具有作为其内部部件提供的相位掩模的空间光调制器(SLM)。 相位掩模可以被提供为在透射盖窗的内表面上的相对较高的折射率材料的多层表面,或者作为在窗口窗口和SLM的像素之间的单独透射窗口。 如果相位掩模与液晶SLM一起使用,则可能需要通过提供相邻较低折射率材料层与多层表面相邻来平坦化与液晶接触的盖窗的表面。 相位掩模也可以通过图案化离子沉积在透射覆盖窗口上提供,将图案化光曝光到光聚合物材料上,或以某种其它合适的方式。 将像素电极排列成多个电平中的一个而不是处于精确的平面关系,也可以有效地产生相位掩模。

    Active matrix liquid crystal image generator
    4.
    发明申请
    Active matrix liquid crystal image generator 失效
    有源矩阵液晶图像发生器

    公开(公告)号:US20050052388A1

    公开(公告)日:2005-03-10

    申请号:US10437131

    申请日:2003-05-12

    IPC分类号: G09G3/20 G09G3/34 G09G3/36

    摘要: A system for producing spatially modulated monochrome or color light having gray scale includes an active matrix liquid crystal spatial light modulator having light modulating means including (i) a layer of ferroelectric liquid crystal material which is designed to switch between ON and OFF states and (ii) active matrix means including VLSI circuitry for dividing the layer of liquid crystal material into an array of individual liquid crystal pixels and for causing each of the pixels of liquid crystal material to modulate light individually by switching between the ON and OFF states in a way that depends upon the data which the VLSI circuitry is written. The system also includes illumination means having a light source for directing light from the source into the pixel-divided layer of ferroelectric liquid crystal material in a specific way. And finally, the system includes means for writing the VLSI circuitry with preselected data in accordance with a particular data ordering scheme such that the circuitry, in response to the written data, causes the pixels of liquid crystal material to individually switch between their ON and OFF states and therefore modulate light from the source in a way which, depending upon the data, produces a specific overall pattern of gray scale light.

    摘要翻译: 一种用于生产具有灰度级的空间调制单色或彩色光的系统包括有源矩阵液晶空间光调制器,其具有光调制装置,该调制装置包括:(i)被设计成在导通和截止状态之间切换的铁电液晶材料层, )有源矩阵装置,包括用于将液晶材料层分成单个液晶像素的阵列的VLSI电路,并且使得液晶材料的每个像素通过在ON和OFF状态之间切换来单独地调制光, 取决于VLSI电路写入的数据。 该系统还包括具有用于将光源以特定方式引导到铁电液晶材料的像素分割层的光源的照明装置。 最后,该系统包括用于根据特定数据排序方案将VLSI电路写入预选数据的装置,使得电路响应于写入的数据使液晶材料的像素在其ON和OFF之间单独切换 状态并且因此以取决于数据产生灰度光的特定总体图案的方式调制来自光源的光。

    Active Matrix Liquid Crystal Image Generator
    6.
    发明申请
    Active Matrix Liquid Crystal Image Generator 有权
    有源矩阵液晶图像发生器

    公开(公告)号:US20070216617A1

    公开(公告)日:2007-09-20

    申请号:US11623665

    申请日:2007-01-16

    IPC分类号: G09G3/34

    摘要: A system for producing spatially modulated monochrome or color light having gray scale includes an active matrix liquid crystal spatial light modulator having light modulating means including (i) a layer of ferroelectric liquid crystal material which is designed to switch between ON and OFF states and (ii) active matrix means including VLSI circuitry for dividing the layer of liquid crystal material into an array of individual liquid crystal pixels and for causing each of the pixels of liquid crystal material to modulate light individually by switching between the ON and OFF states in a way that depends upon the data which the VLSI circuitry is written. The system also includes illumination means having a light source for directing light from the source into the pixel-divided layer of ferroelectric liquid crystal material in a specific way. And finally, the system includes means for writing the VLSI circuitry with preselected data in accordance with a particular data ordering scheme such that the circuitry, in response to the written data, causes the pixels of liquid crystal material to individually switch between their ON and OFF states and therefore modulate light from the source in a way which, depending upon the data, produces a specific overall pattern of gray scale light.

    摘要翻译: 一种用于生产具有灰度级的空间调制单色或彩色光的系统包括有源矩阵液晶空间光调制器,其具有光调制装置,该调制装置包括:(i)被设计成在导通和截止状态之间切换的铁电液晶材料层, )有源矩阵装置,包括用于将液晶材料层分成单个液晶像素的阵列的VLSI电路,并且使得液晶材料的每个像素通过在ON和OFF状态之间切换来单独地调制光, 取决于VLSI电路写入的数据。 该系统还包括具有用于将光源以特定方式引导到铁电液晶材料的像素分割层的光源的照明装置。 最后,该系统包括用于根据特定数据排序方案将VLSI电路写入预选数据的装置,使得电路响应于写入的数据使液晶材料的像素在其ON和OFF之间单独切换 状态并且因此以取决于数据产生灰度光的特定总体图案的方式调制来自光源的光。

    Optics arrangements including light source arrangements for an active matrix liquid crystal image generator

    公开(公告)号:US20060103913A1

    公开(公告)日:2006-05-18

    申请号:US11317936

    申请日:2005-12-23

    IPC分类号: G02B26/00

    摘要: A system for producing modulated light is disclosed. The system comprises a spatial light modulator including a light modulating medium switchable between different states so as to act on light in ways which form overall patterns of modulated light. The system also includes an arrangement for switching the modulating medium between the different states in a controlled way and an illumination arrangement for producing a source of light. The system further includes an optics arrangement for directing light from the source of light into the spatial light modulator and for directing light from the spatial light modulator through a predetermined source imaging area. The optics arrangement cooperates with the illumination arrangement and the spatial light modulator so as to produce a real image of the source of light within the source imaging area such that an individual is able to view a virtual image of the overall patterns of modulated light from the source imaging area. A variety of novel optics arrangements are disclosed including specific combinations of different light sources, diffusing plates, polarizers, beam splitters, analyzers, lenses, mirrors, and holographic optical elements which allow the overall optical arrangement to be miniaturized to the same degree and in coordination with the spatial light modulator. The different light sources include using a plurality of light sources, such as LEDs, to form an array of light sources, each of the light sources providing light to a corresponding portion of the spatial light modulator.

    Compact electronic viewfinder
    8.
    发明申请
    Compact electronic viewfinder 失效
    紧凑型电子取景器

    公开(公告)号:US20050286135A1

    公开(公告)日:2005-12-29

    申请号:US11051966

    申请日:2005-02-03

    摘要: An electronic viewfinder with a reflective microdisplay and associated optical elements in a design that utilizes one or more folded optical paths to achieve a compact size and volume that may have a dimension of less than 10 millimeters per side. Moreover, the optical design may have an effective focal length that is greater than the spacing of the optical elements from the microdisplay. Various embodiments include a pancake window arrangement with reflective surfaces that are spaced apart from each other and cube beamsplitter eyepieces with folded paths.

    摘要翻译: 具有反射式微显示器和相关联的光学元件的电子取景器,其设计利用一个或多个折叠光学路径来实现尺寸小于每毫米10毫米的紧凑尺寸和体积。 此外,光学设计可以具有大于光学元件与微显示器的间隔的有效焦距。 各种实施例包括具有彼此间隔开的反射表面的薄饼窗布置和具有折叠路径的立方体分束器目镜。

    OPTICS ARRANGEMENTS INCLUDING LIGHT SOURCE ARRANGEMENTS FOR AN ACTIVE MATRIX LIQUID CRYSTAL GENERATOR
    9.
    发明申请
    OPTICS ARRANGEMENTS INCLUDING LIGHT SOURCE ARRANGEMENTS FOR AN ACTIVE MATRIX LIQUID CRYSTAL GENERATOR 失效
    光学装置包括有源矩阵液晶发生器的光源安排

    公开(公告)号:US20080062351A1

    公开(公告)日:2008-03-13

    申请号:US11932447

    申请日:2007-10-31

    IPC分类号: G02F1/1335

    摘要: A system for producing modulated lights disclosed. The system comprises a spatial light modulator including a light modulating medium switchable between different states so as to act on light in ways which form overall patterns of modulated light. The system also includes an arrangement for switching the modulating medium between the different states in a controlled way and an illumination arrangement for producing a source of light. The system, further includes an optics arrangement for directing light from the source of light into the spatial light modulator and for directing light from the spatial light modulator through a predetermined source imaging area. The optics arrangement cooperates with the illumination arrangement and the spatial light modulator so as to produce a real image of the source of light within the source imaging area such that an individual is able to view a virtual image of the overall patterns of modulated light from the source imaging area. A variety of novel optics arrangements are disclosed including specific combinations of different light sources, diffusing plates, polarizers, beam splitters, analyzers, lenses, mirrors, and holographic optical elements which allow the overall optical arrangement to be miniaturized to the same degree and in coordination with the spatial light modulator. The different light sources include using a plurality of light sources, such as LEDs, to form an array of light sources, each of the light sources providing light to a corresponding portion of the spatial light modulator.

    摘要翻译: 公开了生产调制光的系统。 该系统包括空间光调制器,其包括可在不同状态之间切换的光调制介质,以便以形成调制光的整体图案的方式作用于光。 该系统还包括用于以受控方式在不同状态之间切换调制介质的装置和用于产生光源的照明装置。 该系统还包括用于将来自光源的光引导到空间光调制器中并用于将来自空间光调制器的光引导通过预定源成像区域的光学装置。 光学装置与照明装置和空间光调制器配合,以产生源成像区域内的光源的真实图像,使得个体能够观察来自该成像区域的调制光的整体图案的虚像 源成像区域。 公开了各种新颖的光学装置,其包括不同光源,扩散板,偏振器,分束器,分析器,透镜,反射镜和全息光学元件的特定组合,其允许整体光学装置以相同的程度和协调地小型化 与空间光调制器。 不同的光源包括使用诸如LED的多个光源来形成光源阵列,每个光源向空间光调制器的相应部分提供光。