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Backlight module and display device

  • US 10,078,177 B2
  • Filed: 05/25/2016
  • Issued: 09/18/2018
  • Est. Priority Date: 05/10/2016
  • Status: Active Grant
First Claim
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1. A backlight module, comprising a plastic frame, a light guide plate, a reflective sheet, a backlight lamp and an optical film, wherein the light guide plate and the optical film are sequentially overlapped and disposed on the reflective sheet;

  • the plastic frame surrounds the light guide plate and the optical film, and a peripheral edge of the plastic frame is provided and received with the backlight lamp;

    the backlight module also includes a quantum dot film;

    the backlight lamp is located between a light incident surface of the light guide plate and the plastic frame;

    the quantum dot film is overlapped on the light guide plate, and is located between the light guide plate and the optical film;

    wherein the backlight lamp includes a circuit board and a blue LED, the blue LED is installed on the circuit board and faced toward the light incident surface, and the blue LED provides with a blue light;

    wherein the plastic frame is green to provide with a reflective green light after being illuminated by the blue LED; and

    wherein the reflective green light provided by the plastic frame and the blue light provided by the blue LED are mixed at an edge of the quantum dot film to generate a white light at the edge of the quantum dot film.

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