Backlight arrangement

Backlight arrangement

  • CN 101,341,761 B
  • Filed: 12/05/2006
  • Issued: 04/29/2015
  • Est. Priority Date: 12/21/2005
  • Status: Active Grant
First Claim
Patent Images

1. one kind comprises the dual view display device of back light apparatus, described back light apparatus (100) at least comprises light source (101) and a folded at least first wave guide plate and Second Wave guide plate arranged, each in described first and second waveguide plates comprises front surface (104) with relative back surface (103) and at least one is for receiving the surface (107) from the light of described light source (101), the described surface (107) for receiving light connects described front surface and back surfaceIt is characterized in that,Described first wave guide plate (212) for receive the surface (217) of light and described Second Wave guide plate (222) for the surface (227) that receives light by parallel to each other and face arrange in the opposite direction,For each in described at least first wave guide plate and Second Wave guide plate, described front surface (104) and described back surface (103) be one of be at least carved with faceted surface, this is carved with faceted surface and comprises multiple plan-parallel portions (105) and the multiple facets (106) being connected described plan-parallel portions (105), described multiple facet (106) is formed to make the thickness of each in described first and second waveguide plates, and along with the distance apart from the described surface (107) for receiving light, staged reduces, and make to be extracted from each described first and second waveguide plates by described multiple facet (106) via the described surface (107) for the receiving light at least part of light receiving in described first and second waveguide plates in each.

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