| 摘要 |
A backlight unit for a flat panel display device is provided to enhance display quality by improving a color breakup phenomenon generated in the backlight unit using an LED. A plurality of LEDs(122) are mounted on an LED array. A light guide plate(140) is adjacent to the LED array. A reflective plate(130) is positioned in a lower part of the light guide plate. A diffusion pattern plate(160) is comprised in the light guide plate or the reflective plate and includes a plurality of diffusion beads. A lamp housing(110) receives an LED array and couples the light guide plate and the reflective plate. A plurality of optical sheets(152,154) are comprised in an upper part of the light guide plate. |
