Patent ID: 8284331
Filing Date: 2012-10-09
Classification: G02F,G06F,H04N

Abstract:
1. A dual-purpose projective display, comprising: a transparent liquid crystal display assembly, which is divided into a front side and a rear side; a light-emitting device fixedly positioned on the front side of the liquid crystal display assembly, which emits a light to the front side of the liquid crystal display assembly; and a backlight module, which is movably connected at the rear side of the liquid crystal display assembly, for providing a surface light source the backlight module deposited at a middle segment in company with the liquid crystal display assembly, and at least two included angles alternatively formed between a front of the backlight module and the rear side of the liquid crystal display assembly, the two included angles defined as a first included angle and a second included angle respectively, when the backlight module is aligned with the liquid crystal display assembly, the first included angle θ when the image provided by the liquid crystal display assembly is to be projected and magnified onto a projection surface, the backlight module is moved with respect to the liquid crystal display assembly such that the second included angle θ