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    • 9. 发明申请
    • USE OF SEPARATION ELEMENTS WITH REAR PROJECTION SCREEN
    • 分离元件与后期投影屏幕的使用
    • US20090309838A1
    • 2009-12-17
    • US12137518
    • 2008-06-11
    • Manolito AdanBernard SchultzPrafulla Masalkar
    • Manolito AdanBernard SchultzPrafulla Masalkar
    • G06F3/041G01J5/00H01J9/00
    • G06F3/0425G01J1/0266G01J5/089
    • A rear projection display devices includes a diffusion layer having an interface surface configured to diffuse visible light, and a visible light projection subsystem configured to project a display image at the interface surface using the visible light to be diffused by the diffusion layer. The rear projection display devices may also include a light transmissive base configured to provide a support for the interface surface, and an infrared touch-sensing subsystem including an infrared light source configured to project infrared light at the base, and an infrared light detector configured to detect infrared light reflecting from the interface surface. Separation elements may be disposed between the diffusion layer and the base so as to maintain a separation between the diffusion layer and the base.
    • 背投影显示装置包括具有被配置为漫射可见光的界面的扩散层,以及可视光投影子系统,被配置为使用可扩散层扩散的可见光在界面处投影显示图像。 背投影显示装置还可以包括被配置为为接口表面提供支撑的透光基座,以及红外触摸感测子系统,其包括配置为在基座处投射红外光的红外光源,以及红外光检测器,被配置为 检测从界面反射的红外光。 分离元件可以设置在扩散层和基底之间,以便保持扩散层和基底之间的间隔。