Edge-lit backlight having light recycling cavity with concave transflector

Edge-lit backlight having light recycling cavity with concave transflector

CN
  • CN 102,644,886 A
  • Filed: 08/25/2006
  • Published: 08/22/2012
  • Est. Priority Date: 08/27/2005
  • Status: Active Application
First Claim
Patent Images

1. edge-lit backlight with output area comprises:

  • Back reflector, it is towards the output area of said backlight;

    Half passes through reflecting plate;

    Its part transmission, partial reflection incident light;

    And be configured as and form at least one concave structure towards said back reflector;

    So that pass through the one or more torus of formation between reflecting plate and the said back reflector said half, said one or more torus are full of the output area of said backlight basically, and said half passes through baffle reflection 30% to 90% vertical incidence visible light;

    AndAt least one light source;

    It is arranged near first edge of said backlight;

    Said at least one light source can be operated with the input surface through said one or more torus light is injected in said one or more torus;

    Said input surface is vertical basically with the output area of said backlight, and said at least one concave structure is along assembling away from the direction and the said back reflector on said input surface.

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