Illumination system and display device

Illumination system and display device

  • CN 101,631,987 A
  • Filed: 02/20/2008
  • Published: 01/20/2010
  • Est. Priority Date: 02/27/2007
  • Status: Active Application
First Claim
Patent Images

1. illuminator (30) that is used to shine display (20), this illuminator (30) comprise light source (S1, S2, S3 ..., Sn) and optical control layer (40,41,42,44),This light source (S1, S2, S3 ..., Sn) be set to via optical control layer (40,41,42,44) towards display (20) emission light, from light source (S1, S2, S3 ..., Sn) light with presumptive area (A1, A2, the A3) emission of divergent beams (60) on along specific direction (O1, O2, O3) towards display (20)This optical control layer (40,41,42,44) is semitransparent layer (40,41,42,44), it comprises the setting of the part (46,48) with the refractive index that is different from optical control layer (40,41,42,44), to be used for this presumptive area of part diverging light reflected back (A1, A2, A3).

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