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    • 71. 发明授权
    • Pixelated LED
    • 像素化LED
    • US09196653B2
    • 2015-11-24
    • US13384347
    • 2010-07-27
    • Catherine A. LeatherdaleZhaohui Zy Yang
    • Catherine A. LeatherdaleZhaohui Zy Yang
    • H01L29/18H01L33/00H01L27/15H01L33/20H01L33/44H01L33/50
    • H01L27/156H01L33/20H01L33/44H01L33/50H01L2924/0002H01L2924/00
    • A pixelated light emitting diode (LED) and a method for pixelating an LED are described. The pixelated LED includes two or more monolithically integrated electroluminescent elements disposed adjacent each other on a substrate, wherein at least a portion of each electroluminescent element immediately adjacent the substrate includes an inverted truncated pyramidal shape. The method for pixelating an LED includes selectively removing material from the major surface of an LED to a depth below the emissive region, thereby forming an array of inverted truncated pyramid shapes. The efficiency of the pixelated LEDs can be improved by incorporating the truncated pyramidal shape. Additionally, the crosstalk between adjacent LED pixels can be reduced by incorporating the truncated pyramidal shape.
    • 描述像素化发光二极管(LED)和用于像素化LED的方法。 像素化LED包括在衬底上彼此相邻布置的两个或更多个单片集成电致发光元件,其中紧邻衬底的每个电致发光元件的至少一部分包括倒置的截锥形形状。 用于像素化LED的方法包括从LED的主表面选择性地去除材料到发光区域下方的深度,由此形成倒立的棱锥形状的阵列。 像素化的LED的效率可以通过并入截锥形的形状来改善。 此外,可以通过并入截头锥体形状来减少相邻LED像素之间的串扰。
    • 76. 发明授权
    • Process for producing photonic crystals and controlled defects therein
    • 光子晶体的生产过程及其中的受控缺陷
    • US07655376B2
    • 2010-02-02
    • US10596186
    • 2003-12-05
    • Mark T. AndersonCatherine A. LeatherdaleD. Scott Thompson
    • Mark T. AndersonCatherine A. LeatherdaleD. Scott Thompson
    • G03C9/08
    • G03F7/0047B82Y20/00C30B29/60C30B33/00G02B6/1225G02B6/138G03F7/038G03F7/2053G03F7/40
    • A process comprises (a) providing a substantially inorganic photoreactive composition comprising (1) at least one cationically reactive species, (2) a multi-photon photoinitiator system, and 10 (3) a plurality of precondensed, inorganic nanoparticles; (b) exposing, using a multibeam interference technique involving at least three beams, at least a portion of the photoreactive composition to radiation of appropriate wavelength, spatial distribution, and intensity to produce a two-dimensional or three-dimensional periodic pattern of reacted and non-reacted portions of the photoreactive composition; (c) exposing at least a portion of the non-reacted portion of the photoreactive composition to radiation of appropriate wavelength and intensity to cause multi-photon absorption and photoreaction to form additional reacted portion; (d) removing the non-reacted portion or the reacted portion of the photoreactive composition to form interstitial void space; and (e) at least partially filling the interstitial void space with at least one material having a refractive index that is different from the refractive index of the remaining portion.
    • 一种方法包括(a)提供基本上无机的光反应性组合物,其包含(1)至少一种阳离子反应性物质,(2)多光子光引发剂体系,和(3)多种预先被引发的无机纳米颗粒; (b)使用涉及至少三个光束的多光束干涉技术将至少一部分光反应性组合物暴露于适当波长,空间分布和强度的辐射,以产生二维或三维周期性图案的反应和 光反应性组合物的未反应部分; (c)将光反应性组合物的未反应部分的至少一部分暴露于适当波长和强度的辐射,以引起多光子吸收和光反应以形成额外的反应部分; (d)除去光反应性组合物的未反应部分或反应部分以形成间隙空隙; 和(e)至少部分地用至少一种具有不同于其余部分的折射率的折射率的材料填充间隙空隙。