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BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE

  • US 20180107064A1
  • Filed: 05/10/2016
  • Published: 04/19/2018
  • Est. Priority Date: 04/05/2016
  • Status: Abandoned Application
First Claim
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1. A backlight module, comprisinga light guide plate having a light incident surface, a light emitting surface and a reflective surface respectively connected to the light incident surface and opposite to each other;

  • a light source provided adjacent to the light incident surface, and the light source having a blue LED, red quantum dots and green quantum dots, the light emitted from the blue LED is mixed with the red quantum dots and green quantum dots to form white light;

    a diffusion sheet provided adjacent to the light emitting surface of the light guide plate;

    a metal wire grid polarizing film disposed on a side of the light emitting surface of the light guide plate, and the diffusion sheet is disposed between the light guide plate and the metal wire grid polarizing film;

    a quarter-wave plate disposed adjacent to the reflective surface of the light guide plate, wherein the angle between the fast axis of the quarter wave plate and the direction of the metal wire grid of the metal wire grid polarizing film is 45°

    ; and

    a reflective sheet disposed on the side of the quarter-wave plate facing away from the light guide plate.

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