US6407724B2 - Method of and apparatus for viewing an image - Google Patents
US6407724B2 - Method of and apparatus for viewing an image - Google Patents Method of and …

A liquid crystal layer (15) is sandwiched between a first Substrate (1) provided on a visible
side and a second substrate (5) opposed to the first substrate; a first color filter (9) is …

US6504629B1 - Method and apparatus for illuminating a display - Google Patents
US6504629B1 - Method and apparatus for illuminating a display - Google Patents Method and …

Reflective color filters using layers of cholesteric liquid crystals with two different center
wavelengths and band widths per layer are Stacked in two layers to provide colored light for …

4,759,596 A 7/1988 Poet al. dd di he fi d 4,790,613 A 12/1988 Moss rays and secon output
rayS corresponding to the first an 4,799.739 A 1/1989 Newswanger Second Image …

Switchable holographic optical elements (HOEs) can used in Systems and methods for
projecting three-dimensional images, or for projecting two-dimensional tiled images with …

An optical system including one or more switchable holographic optical elements is
described for use with a pancake window display system. Each of the switchable …

57 ABSTRACT A liquid crystal display includes a first Substrate having a transparent
electrode formed on its Surface and a non aperture portion in its predetermined region, a …

(57) ABSTRACT A color liquid crystal display using reflective color filters using layers of
cholesteric liquid crystals is disclosed. The reflective color filters have two different center …

A polarizing diffraction element having a wavelength selectivity which functions as a
polarizing diffraction element at a wavelength λ 1, and which does not function as a …