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    • 3. 发明授权
    • Corner-cube retroreflectors for displays
    • 用于显示器的角立方体后向反射器
    • US07450799B2
    • 2008-11-11
    • US11766007
    • 2007-06-20
    • Martin G. SelbredeGarth GobeliB. Tod CoxDaniel K. Van OstrandMartin A. Kykta
    • Martin G. SelbredeGarth GobeliB. Tod CoxDaniel K. Van OstrandMartin A. Kykta
    • G02B6/26
    • G02B6/0053G02B5/124G02B6/00G02B6/2852G02F1/133553G02F2201/38
    • Enhancement of the contrast ratio of optical flat panel displays by integrating an array of corner-cube retroreflectors into the front face of the optical display, said integration involving mutual adaptation of both the display and the corner-cube retroreflector geometry to unite the two disparate optical systems. The light emission from the display passes through the truncated vertex of the corner-cubes to the observer. The display directs its emitted light through the vertex apertures (either as a natural behavior, or by interposing a registered array of light concentrators between the display and the corner-cube array). The improvement in contrast ratio arises due to the corner-cube retroreflectors' ability to direct incident ambient light directly back to its source, rather than the viewer's eyes. Ambient light reflections are not attenuated but maximized; this maximization is directed away from the viewer, causing the array to appear dark even in direct sunlight.
    • 通过将角立方体后向反射器阵列集成到光学显示器的前表面来增强光学平板显示器的对比度,所述整合涉及显示器和角立方后视反射器几何的相互适应以组合两个不同的光学 系统。 来自显示器的光发射通过角立方体的截顶点到观察者。 显示器通过顶点孔径引导其发射的光(作为自然的行为,或者通过在显示器和角立方体阵列之间插入注册的聚光器阵列)。 对比度的提高是由于角立方后视反射器将入射环境光直接引导回其光源而不是观察者的眼睛的能力。 环境光反射不衰减但最大化; 这种最大化被引导离开观察者,导致阵列甚至在直射的阳光下也显得黑暗。
    • 6. 发明申请
    • Optical microstructures for light extraction and control
    • 光学微观结构用于光提取和控制
    • US20070172171A1
    • 2007-07-26
    • US11338251
    • 2006-01-24
    • Dan Van OstrandCarey KingGarth Gobeli
    • Dan Van OstrandCarey KingGarth Gobeli
    • G02B6/26
    • G02B6/2852G02B6/00G02B6/122G02B6/125G02B6/351G09G3/3473
    • The application of microstructures which improve the quality of light available to the viewer of an optical display system, or any display which works on the concept of moving one surface into direct contact or close proximity of a light guide to extract light through frustrated total internal reflection. Optical microstructures are introduced on one or both of the surfaces of the active layer to enhance its performance. Since the active layer has both an input and an output function, means for enhancing both are presented. The input function to the active layer occurs on the internal surface, so this is where the present invention adds a collector-coupler, a means for facilitating the migration of light from the waveguide into the active layer. The output function occurs on the external surface, where the present invention adds a collimator, a means for both increasing the probability that a light wave will be released from the active layer, and improving the apparent intensity by redirecting light waves so that more of them reach the viewer. Compound microlenses on the internal surface of the active layer can serve as both collector-couplers and collimators, substantially improving light extraction from the light guide and light distribution to the viewer. Depositing a reflective or colored material in the interstitial spaces between these compound microlenses improves the contrast ratio and mitigate pixel cross-talk. The opaque material can be conductive for use in actuating the display.
    • 适用于提高光学显示系统的观众可获得的光的质量的微观结构,或任何显示器,其工作原理是将一个表面移动到直接接触或接近光导以通过沮丧的全内反射来提取光线 。 在有源层的一个或两个表面上引入光学微结构以提高其性能。 由于有源层具有输入和输出功能,因此呈现增强两者的手段。 有源层的输入功能发生在内表面上,因此这是本发明添加集电极耦合器的一个方面,一种便于将光从波导迁移到有源层中的装置。 输出功能发生在外表面,其中本发明添加了准直器,用于增加光波从有源层释放的可能性的手段,以及通过重新定向光波来改善视在强度,使得更多的它们 到达观众 有源层内表面上的复合微透镜可以用作收集器 - 耦合器和准直器两者,实质上改善了光导的光提取和对观察者的光分布。 在这些复合微透镜之间的间隙中沉积反射或着色材料可以提高对比度并减轻像素串扰。 不透明材料可以是导电的,用于启动显示器。
    • 7. 发明申请
    • Corner-Cube Retroreflectors for Displays
    • 用于显示器的角 - 立方反射器
    • US20070242334A1
    • 2007-10-18
    • US11766007
    • 2007-06-20
    • Martin SelbredeGarth GobeliB. CoxDaniel Van OstrandMartin Kykta
    • Martin SelbredeGarth GobeliB. CoxDaniel Van OstrandMartin Kykta
    • G02B6/26G02B26/08G02B5/124
    • G02B6/0053G02B5/124G02B6/00G02B6/2852G02F1/133553G02F2201/38
    • Enhancement of the contrast ratio of optical flat panel displays by integrating an array of corner-cube retroreflectors into the front face of the optical display, said integration involving mutual adaptation of both the display and the corner-cube retroreflector geometry to unite the two disparate optical systems. The light emission from the display passes through the truncated vertex of the corner-cubes to the observer. The display directs its emitted light through the vertex apertures (either as a natural behavior, or by interposing a registered array of light concentrators between the display and the corner-cube array). The improvement in contrast ratio arises due to the corner-cube retroreflectors' ability to direct incident ambient light directly back to its source, rather than the viewer's eyes. Ambient light reflections are not attenuated but maximized; this maximization is directed away from the viewer, causing the array to appear dark even in direct sunlight.
    • 通过将角立方体后向反射器阵列集成到光学显示器的前表面来增强光学平板显示器的对比度,所述整合涉及显示器和角立方后视反射器几何的相互适应以组合两个不同的光学 系统。 来自显示器的光发射通过角立方体的截顶点到观察者。 显示器通过顶点孔径引导其发射的光(作为自然的行为,或者通过在显示器和角立方体阵列之间插入注册的聚光器阵列)。 对比度的提高是由于角立方后视反射器将入射环境光直接引导回其光源而不是观察者的眼睛的能力。 环境光反射不衰减但最大化; 这种最大化被引导离开观察者,导致阵列甚至在直射的阳光下也显得黑暗。