Patent ID: 7738054

Claim:
A liquid crystal display device comprising: a planar lighting device comprising: at least one light source having one or more LED chips emitting blue light through a light emission face; a transparent light guide plate comprising at least one light entrance plane for admitting light emitted by said light source and a light exit plane for emitting light admitted from said light entrance plane as planar light; a fluorescent member disposed between said light emission face of said at least one light source and said light entrance plane of said transparent light guide plate and comprising one or more fluorescent substance coated areas for emitting white light by converting the blue light emitted through said light emission face into the white light and one or more blue light passing areas for emitting the blue light emitted through said light emission face as the blue light; wherein said planar lighting device emits light through a light emission plane on said light exit plane of said light guide plate; and a liquid crystal display panel disposed on said light emission plane of said planar lighting device and including a color filter comprising at least a red filter with a red color component, a green filter with a green color component, and a blue filter with a blue color component, wherein said one or more blue light passing areas are formed of a transparent film or one or more apertures.