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Back light, light guiding plate, method for manufacturing diffusion plate and light guiding plate, and liquid crystal display device

  • US 20060268568A1
  • Filed: 09/24/2004
  • Published: 11/30/2006
  • Est. Priority Date: 09/29/2003
  • Status: Abandoned Application
First Claim
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1. A backlight characterized by comprising a light source for emitting light, and a diffuser disposed between the light source and the liquid crystal display device, wherein said diffuser includes a diffusion layer for diffusing the light emitted from the light source, and a light distribution layer integrally formed with the diffusion layer and disposed more toward the liquid crystal display device than the diffusion layer, for distributing the light diffused by the diffusion layer toward the liquid crystal display device, wherein said diffusion layer includes a diffusion element, and wherein a first resin forming the light distribution layer, and the portion of the diffusion layer excluding said diffusion element is different from a second resin forming said diffusion element.

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