Backlight arrangement

Backlight arrangement

  • CN 101,341,761 A
  • Filed: 12/05/2006
  • Published: 01/07/2009
  • Est. Priority Date: 12/21/2005
  • Status: Active Application
First Claim
Patent Images

1. , a kind of back light apparatus (100), at least comprise light source (101) and waveguide plate (102), this waveguide plate comprises that front surface (104) and relative back of the body surface (103) and at least one are used for receiving the surface (107) from the light of described light source (101), the described surface (107) that is used to receive light connects described front surface and back of the body surfaceWherein said front surface (104) and described back of the body surface (103) be to be carved with faceted surface one of at least, this is carved with faceted surface and comprises a plurality of plane parallel parts (105) and a plurality of facets (106) that are connected described plane parallel part (105), described a plurality of facet (106) is formed to such an extent that make the thickness of described waveguide plate (102) along with apart from the distance on the described surface (107) that is used to receive light and staged reduces, and make via the described surface (107) that is used for receiving light receive waveguide plate (102) be extracted out from described waveguide plate (102) by described a plurality of facets (106) to small part light.

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