Backlighting assembly for display for reducing cross-hatching

  • US 9,511,715 B2
  • Filed: 01/30/2015
  • Issued: 12/06/2016
  • Est. Priority Date: 01/31/2014
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. A backlight assembly for a display having a polarized transmission axis comprising:

  • a light source for emitting light;

    a first brightness enhancement film having a plurality of prismatic elements extending in a first direction, and positioned to receive light emitted from said light source, wherein the first direction extends at an angle of between about 5 degrees and about 15 degrees offset from the polarized transmission axis of the display; and

    a second brightness enhancement film having a plurality of prismatic elements extending in a second direction and positioned to receive light exiting said first brightness enhancement film, wherein the second direction is substantially perpendicular to the first direction.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×