31
James L Fergason: Enhanced scattering in voltage sensitive encapsulated liquid crystal. Manchester R & D Partnership, Renner Otto Boisselle & Lyon, August 19, 1986: US04606611 (59 worldwide citation)

In the present invention encapsulated liquid crystal material in a support medium illuminated from the viewing side or direction will appear bright or white relative to background when in distorted alignment, e.g. in the absence of an electric field. Incident light impinging on the liquid crystal ma ...


32
James L Fergason: Encapsulated liquid crystal and method. Manchester R & D Partnership, Renner Otto Boisselle & Lyon, April 1, 1986: US04579423 (55 worldwide citation)

According to one aspect of the invention, liquid crystal material, and especially nematic material, is encapsulated; according to another aspect the encapsulated liquid crystal material is used in liquid crystal devices, such as relatively large size visual display devices; and according to further ...


33
James L Fergason, Robert Parker: Display with light traps between reflector and scattering means. Taliq Corporation, Flehr Hohbach Test Albritton & Herbert, September 20, 1988: US04772102 (54 worldwide citation)

A display comprising optical means for presenting an absence of light over a controlled viewing angle and means for selectively scattering or transmitting light in response to a prescribed input to effect a display of information within said viewing angle.


34
Jeffrey K Fergason, Arthur L Berman, James L Fergason, John D Fergason: Eye protection device for welding helmets which reduces obliquely incident light. OSD Envizion Company, Renner Otto Boisselle & Sklar, May 7, 1996: US05515186 (52 worldwide citation)

A welding helmet and lens therefor includes a shield and a lens including a two identical optical components, each including a polarizer, a further polarizer (analyzer) optically between said optical components and effectively shared as an output device from one optical component and an input device ...


35
James L Fergason: Optical system for a head mounted display using a retro-reflector and method of displaying an image. Renner Otto Boisselle & Sklar P L L, April 15, 1997: US05621572 (49 worldwide citation)

A head mounted display system includes focusing optics to focus light from an image source, retro-reflector and beamsplitter, the image source and beamsplitter directing light toward the retro-reflector being directed via the beamsplitter for viewing, thereby to use conjugate optics effectively to p ...


36
James L Fergason: Colored encapsulated liquid crystal devices using imbibition of colored dyes and scanned multicolor displays. Manchester R & D Partnership, Renner Otto Boisselle & Lyon, May 5, 1987: US04662720 (49 worldwide citation)

The present invention relates to use of liquid crystal material encapsulated in a containment medium to produce a controlled colored or multicolored output, for example, in response to the application, removal and variation in an electric field. A non-pleohroic dye is imbibed in the containment medi ...


37
James L Fergason: Electro-optical dithering system using birefringence for optical displays and method. Renner Otto Boisselle & Sklar P L L, November 5, 1996: US05572341 (48 worldwide citation)

An electro-optical dithering system based on birefringence or double refraction increases the resolution of a display and includes a birefringent material, such as a calcite material, which selectively refracts or deflects light depending on an optical polarization characteristic of the light, and a ...


38
James L Fergason, Robert Parker: Display for contrast enhancement. Talig Corporation, Flehr Hohbach Test Albritton & Herbert, April 25, 1989: US04824208 (48 worldwide citation)

A display comprising optical means for presenting an absence of light over a controlled viewing angle and means for selectively scattering or transmitting light in response to a prescribed input to effect a display of information within said viewing angle.


39
James L Fergason: Encapsulated liquid crystal and method. Manchester R & D Partnership, Renner Otto Boisselle & Lyon, August 12, 1986: US04605284 (47 worldwide citation)

Briefly, according to one aspect of the invention, liquid crystal material, and especially nematic material, is encapsulated; according to another aspect the encapsulated liquid crystal material is used in liquid crystal devices, such as relatively large size visual display devices; and according to ...


40
James L Fergason: Encapsulated liquid crystal optical read/write storage medium and system. Raychem Corporation, Renner Otto Boisselle & Sklar, June 7, 1994: US05319481 (46 worldwide citation)

An optical read/write information storage system (2), includes a liquid crystal information storage medium (1) for storing information written thereto and being capable of being read, including plural volumes (21) of liquid crystal material (23) in a containment medium (24), the volumes of liquid cr ...