A Novel Light Guide Plate with Micro-prisms for an Edge-lit LED Backlight

  • Kwon, Jae-Joong (LCD Technology Center, LCD Business, Samsung Electronics Co. Ltd) ;
  • Kim, Hyoung-Joo (LCD Technology Center, LCD Business, Samsung Electronics Co. Ltd) ;
  • Shim, Sung-Kyu (LCD Technology Center, LCD Business, Samsung Electronics Co. Ltd) ;
  • Baek, Seung-In (LCD Technology Center, LCD Business, Samsung Electronics Co. Ltd) ;
  • Hwang, In-Sun (LCD Technology Center, LCD Business, Samsung Electronics Co. Ltd) ;
  • Jang, Tae-Seok (LCD Technology Center, LCD Business, Samsung Electronics Co. Ltd)
  • Published : 2008.10.13

Abstract

We propose a novel light guide plate for an edge-lit LED backlight. Properly designed micro-prisms enable light to go out of the LGP in near vertical direction and luminance fluctuations in front of the LEDs to be invisible.