TRANSPARENT LIQUID CRYSTAL DISPLAY DEVICE

摘要

A transparent liquid crystal display device includes a liquid crystal display panel displaying an image in an image display mode and transparently implementing in a transparent mode; a backlight unit including a light guide plate disposed on a rear surface of the liquid crystal display panel and a light source array disposed at one side of the light guide plate; a light source driving unit supplying a driving current to the light sources; a cover bottom enclosing an edge of the side and rear surfaces of the backlight unit; and an illumination sensor measuring illumination of an external light incident to the rear surface of the cover bottom.

主权项

1. A transparent liquid crystal display device comprising:
a liquid crystal display panel that displays an image in an image display mode and transparently implementing in a transparent mode; a backlight unit including a light guide plate disposed on a rear surface of the liquid crystal display panel and a light source array disposed at one side of the light guide plate; a light source driving unit that supplies a driving current to the light sources in order to drive the light sources of the light source array; a cover bottom enclosing edge of the side and rear surfaces of the backlight unit; and an illumination sensor that measures illumination of an external light incident to the rear surface of the cover bottom, wherein, the light source driving unit controls to turn off the light sources when the illumination is equal to or higher that a threshold.