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Light emission unit

  • US 6,479,942 B2
  • Filed: 04/04/2001
  • Issued: 11/12/2002
  • Est. Priority Date: 04/05/2000
  • Status: Expired due to Fees
First Claim
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1. A light emission unit comprising:

  • a plurality of light emission element arrays for emitting a plurality of linear light beams of different color from a light emitting surface, each of said light emission element arrays having a plurality of light emission elements arranged in line for emitting light beam of same color;

    a transparent plate for protecting said light emitting surface of said light emission element arrays; and

    a plurality of lens arrays arranged on said transparent plate such that each of said lens arrays corresponds to each of said light emission element arrays, respective said lens array including a plurality of condenser lenses, each of which is faced to each of said light emission elements;

    wherein the plurality of lens arrays and the transparent plate are respective portions of a single piece of transparent material.

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