Invention Grant
US08035894B2 Transparent screen, projection display device, and image display method 有权
透明屏幕,投影显示装置和图像显示方法

Transparent screen, projection display device, and image display method
Abstract:
A Fresnel lens screen 20 is comprised of a light entering surface partial total reflection type Fresnel lens 24, a first light diffusing part 26 disposed behind the Fresnel lens, and a first base 25. An image display element 30 disposed behind the Fresnel lens screen 20 has a lens element 31, a second base 32, and a third base 35. Second light diffusing parts 33 are disposed behind the second base 32. Each of the second light diffusing parts 33 includes two types of particulates having different particle sizes which are distributed therein.
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