| 摘要 |
The backlight unit 400 comprises a reflector 420 having a plurality of grooves or recesses with an inclined inner circumference, and a plurality of light emitting diodes 430 formed at or in the grooves 423. The groove openings and their lower surfaces may be circular or polygonal. Light emitted by LEDs 430 is reflected upwards at the inner circumference of the groove. The backlight unit supplies light to the LCD panel 460. The unit also comprises a heat sink, light diverter 435 and diffuser plate 447. |
