Patent Number: 7,465,073

Title: Backlight unit and liquid crystal display device having the same

Abstract: A backlight unit of an LCD device is provided. The backlight unit includes a light emitting unit, a light guide plate, a reflection plate and a light scattering unit. The light emitting unit has a passive light emission lamp that generates green light and a self-light emission lamp that generates red and blue light. The light guide plate is disposed between the passive light emission lamp and the self-light emission lamp. The light guide plate mixes the red and blue light emitted from the self-light emission type lamp and guides the mixed light to an upper side thereof. The reflection plate is disposed below the self-light emission lamp. In addition, the light scattering unit is disposed above the passive light emission type lamp.

Inventors: Lee; Sun-Hwa (Gyeonggi-do, KR), Lee; Deuk-Su (Gyeonggi-do, KR)

Assignee: LG Display Co., Ltd.

International Classification: F21S 4/00 (20060101); F21V 5/00 (20060101)

Expiration Date: 2021-12-16 0:00:00