Patent ID: 7397182

Claim:
A display module using blue-ray or ultraviolet-ray light sources, comprising: a light guide plate; at least one blue-ray or ultraviolet-ray light source, installed on said light guide plate, and emitting a short-wavelength light with the wavelength ranging from 300 to 460 nm, which is guided by said light guide plate; a diffuser plate, installed on said light guide plate, and used to diffuse said short-wavelength light guided by said light guide plate; a liquid crystal layer, installed on said diffuser plate; and an excited layer, installed on said diffuser plate, and having multiple grids; wherein fluorescent elements of at least two colors are disposed on said multiple grids, and each said grid has only one single-color fluorescent element, and said short-wavelength light diffused by said diffuser plate and passing through said liquid crystal layer will excite said fluorescent elements to emit light.