Light source device and liquid crystal display device using the same

Light source device and liquid crystal display device using the same

  • CN 1,996,129 A
  • Filed: 01/04/2007
  • Published: 07/11/2007
  • Est. Priority Date: 01/04/2006
  • Status: Active Grant
First Claim
Patent Images

1. light source device comprises:

  • The illumination light guide plate, the light that guiding enters from its end face and this light launched from an one first type surface;

    The mixed light guide plate is arranged on the rear side of described illumination light guide plate, and this mixed light guide plate has inlet surface and emitting surface;

    A plurality of pointolites are arranged near the inlet surface of described mixed light guide plate, and these a plurality of pointolites comprise a plurality of pointolites that send the light that color differs from one another;

    AndThe luminous flux controlling diaphragm is arranged between the inlet surface of described pointolite and described mixed light guide plate, and this luminous flux film is arranged in such part, and described part has reduced the luminous flux of the pointolite that has highlight flux in the homochromy pointolite.

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