Liquid crystal display device backlight including an intermediate diffusion medium

摘要

A liquid crystal display device includes a liquid crystal display panel and a backlight including a diffusion medium located between lamps and a diffusion plate to diffuse light. The diffusion medium includes an external band of square type diffusion medium and a plurality of ribs formed of the diffusion medium connected to both sides of the external band of square type diffusion medium. The ribs include a plurality of first ribs which are directly located over the lamps, a plurality of second ribs which are located between the first ribs, and a third rib which connects each of the ribs to each other.

主权项

1. A liquid crystal display device, comprising:
a liquid crystal display panel; and a backlight including a plurality of lamps, a diffusion plate which is located on the lamps, and an intermediate diffusion medium located between the lamps and the diffusion plate to diffuse light from the lamps, and irradiating light to the liquid crystal display panel, wherein the intermediate diffusion medium includes:
an external band of square type formed of a diffusion medium; anda plurality of ribs formed of the diffusion medium and connected to both sides of the external band of square type, respectively, andwherein the ribs include:
a plurality of first ribs which are directly located over the lamps;a plurality of second ribs which are located between the first ribs; anda third rib which connects each of the ribs to each other at an inner space of the external band of square type.