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    • 62. 发明申请
    • Dynamic optical components based on thermochromic materials
    • 基于热变色材料的动态光学元件
    • US20070179239A1
    • 2007-08-02
    • US11342486
    • 2006-01-30
    • Ming Li
    • Ming Li
    • G01J3/50H01J5/16C08K3/22
    • G02B5/1828G02B5/22G02F1/0147G02F2203/11
    • A dynamic optical device including: a substantially transmissive substrate with a dynamic material surface; a layer of thermochromic (TC) material formed on at least a portion of the dynamic material surface of the substrate; and a heating means thermally coupled to the layer of TC material to controllably vary a temperature of the layer of TC material. The TC material has a first temperature dependent state, which the TC material is in when the temperature of the layer of TC material is less than a transition temperature of the TC material, and a second temperature dependent state, which the TC material is in when the temperature of the layer of TC material is greater than the transition temperature.
    • 一种动态光学装置,包括:具有动态材料表面的基本上透射的基底; 形成在所述基材的所述动态材料表面的至少一部分上的热致变色(TC)材料层; 以及加热装置,其热耦合到所述TC材料层以可控地改变所述TC材料层的温度。 TC材料具有第一温度依赖状态,当TC材料层的温度小于TC材料的转变温度时,TC材料处于第一温度依赖状态,并且TC材料处于第二温度依赖状态 TC材料层的温度大于转变温度。
    • 63. 发明申请
    • Thin film emitter-absorber apparatus and methods
    • 薄膜发射极吸收装置及方法
    • US20070171120A1
    • 2007-07-26
    • US11638042
    • 2006-12-12
    • Irina PuscasuEdward Johnson
    • Irina PuscasuEdward Johnson
    • G01S13/00
    • H01Q15/0066G01J3/108G01N21/3504G02F1/19G02F2201/083G02F2201/307G02F2202/10G02F2203/055G02F2203/10G02F2203/11G02F2203/48H01Q15/006
    • Methods and apparatus for providing a tunable absorption-emission band in a wavelength selective device are disclosed. A device for selectively absorbing incident electromagnetic radiation includes an electrically conductive surface layer including an arrangement of multiple surface elements. The surface layer is disposed at a nonzero height above a continuous electrically conductive layer. An electrically isolating intermediate layer defines a first surface that is in communication with the electrically conductive surface layer. The continuous electrically conductive backing layer is provided in communication with a second surface of the electrically isolating intermediate layer. When combined with an infrared source, the wavelength selective device emits infrared radiation in at least one narrow band determined by a resonance of the device. In some embodiments, the device includes a control feature that allows the resonance to be selectively modified. The device has broad applications including gas detection devices and infrared imaging.
    • 公开了一种用于在波长选择装置中提供可调吸收发射带的方法和装置。 用于选择性地吸收入射电磁辐射的装置包括包括多个表面元件的布置的导电表面层。 表层设置在连续导电层上方的非零高度处。 电隔离中间层限定与导电表面层连通的第一表面。 连续导电背衬层设置成与电绝缘中间层的第二表面连通。 当与红外源组合时,波长选择装置在由装置的谐振确定的至少一个窄带中发射红外辐射。 在一些实施例中,该装置包括允许选择性地修改共振的控制特征。 该装置具有广泛的应用,包括气体检测装置和红外成像。
    • 65. 发明授权
    • Personal digital assistant display illumination method and system
    • 个人数字助理显示照明方法和系统
    • US06718115B1
    • 2004-04-06
    • US09675909
    • 2000-09-29
    • Shawn GettemyRajiv Pethe
    • Shawn GettemyRajiv Pethe
    • G09F1300
    • G02B6/0068G02B6/0001G02B6/0028G02B6/003G02F1/133524G02F1/133615G02F2001/133626G02F2203/11Y10S385/901
    • The present invention system and method facilitates efficient and relatively even distribution of illumination throughout a display screen. The system and method also facilitates clearer presentation of images, size reductions and conservation of limited power resources in handheld computers. In one embodiment of the present invention, a display illumination distribution system includes a light pipe, a lens, a wave-guide array and a light source. The light sources provides light waves that are directed along the wave guide array to the lens which directs the light waves into the light pipe. The light pipe conveys the light to the display and provides illumination. The routing of light through the wave-guide array confines the light waves to a wave guide and reduces the number of light waves that miss the light pipe.
    • 本发明的系统和方法有助于在整个显示屏幕中有效地并且相对均匀地分布照明。 该系统和方法还有助于更清晰地呈现图像,减小尺寸并且保护手持式计算机中的有限功率资源。 在本发明的一个实施例中,显示照明分配系统包括光管,透镜,波导阵列和光源。 光源提供沿着波导阵列指向透镜的光波,其将光波引导到光管中。 光管将光传送到显示器并提供照明。 光通过波导阵列的路由将光波限制在波导上,并减少了光管的光波数量。