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Prism member, backlight assembly provided with the same, and display device provided with the same

  • US 7,824,066 B2
  • Filed: 07/11/2006
  • Issued: 11/02/2010
  • Est. Priority Date: 07/13/2005
  • Status: Active Grant
First Claim
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1. A backlight assembly comprising:

  • a light source unit for emitting light;

    a prism member through which light emitted from the light source unit passes; and

    a supporting member for supporting the light source unit and the prism member in overlaying relationship,wherein the prism member includesa plate-type body portion having a predetermined thickness, anda plurality of unit light-concentrating portions formed on at least one surface of the body portion and arranged along a first direction and in a second direction crossing the first direction,wherein the first direction is a length direction of the plurality of unit light-concentrating portions and the second direction is a width direction of the plurality of unit light-concentrating portions,wherein adjacent ones of the plurality of unit light-concentrating portions arranged along the first direction are spaced apart with one of a plurality of non-light-concentrating regions formed therebetween, andwherein the plurality of unit light-concentrating portions on a straight line along the first direction have irregular lengths.

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