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    • 2. 发明授权
    • Light guide for a communication unit
    • 通讯单元导光板
    • US06550927B1
    • 2003-04-22
    • US09688128
    • 2000-10-16
    • Atle Messel
    • Atle Messel
    • F21V800
    • H01H13/70H01H2219/062H01H2231/022H04M1/22H04M1/72502
    • A communication unit including a light guide for illuminating a display including a substantially transparent plate-formed element with reception means for receiving light from light sources and for guiding the light into the transparent plate-formed element of the light guide. The reception means includes light in-coupling surfaces each facing towards a light source and being substantially parallel with a main surface of the light guide. The reception means includes a lens and a diffuser, for dispersing the light substantially parallel with the main surface of the light guide to illuminate the display. The light guide also has means for illuminating a keyboard. The means to illuminate the keyboard includes keyholes through the light guide, the keyholes having chamfered surfaces for reflecting the light in the light guide perpendicular to the surface of the light guide onto the keyboard. The light guide also incorporates a dome sheet having a reflector sheet attached to one side of the light guide and a keyboard flexibly attached to another side of the light guide.
    • 一种通信单元,包括用于对包括基本透明的板状元件的显示器进行照明的导光板,其具有用于接收来自光源的光并用于将光引导到光导的透明板形元件中的接收装置。 接收装置包括各自面向光源并且基本上平行于光导的主表面的光耦合表面。 接收装置包括透镜和扩散器,用于将基本上平行于光导的主表面的光分散以照亮显示器。 光导还具有用于照亮键盘的装置。 用于照亮键盘的装置包括通过光导的键孔,键孔具有倒角表面,用于将垂直于光导表面的光导中的光反射到键盘上。 光导还包括具有附接到光导的一侧的反射片的圆顶片和柔性地附接到光导的另一侧的键盘。