Geoffrey P Morris, Jacqueline C Rolfs, Leo A Meyer, Robert S Moshrefzadeh, Hsin Hsin Chou, Billy J Tompkins, Thomas N Davis: Glass microspheres for use in films and projection screen displays and methods. 3M Innovative Properties Company, William D Miller, March 20, 2001: US06204971 (59 worldwide citation)

Glass microspheres and rear projection screens containing glass microspheres, which combine a desirable index of refraction (preferably, no greater than about 1.70) and low levels of defects (e.g., bubbles, visible haziness, frostiness, or opacity, substantially nonspherical shapes) upon formation a ...

Michael J Johnson, Matthew B Dubin: Method and apparatus for providing a seamless tiled display. Honeywell International, John G Shudy Jr, April 23, 2002: US06377306 (57 worldwide citation)

A display for producing a seamless composite image from at least two discrete images. The display includes one or more projectors for projecting each of the discrete images separately onto a screen such that at least one of the discrete images overlaps at least one other of the discrete images by mo ...

Melvin L Thomas: Display for advanced research and training (DART) for use in a flight simulator and the like. The United States of America represented by the Secretry of the Air Force, Fredric L Sinder, Donald J Singer, August 11, 1992: US05137450 (55 worldwide citation)

A wrap-around display system for presenting out-the-window visual imagery in a flight simulator is disclosed. Eight identically pentagon-shaped translucent rear-projection screens are joined together at their edges to form a partial dodecahedron. Each video projector is mounted outside the partial d ...

Hisatoyo Kato, Junji Miyahara: Rear projection screens. Fuji Photo Film, Sughrue Rothwell Mion Zinn and Macpeak, October 11, 1977: US04053208 (50 worldwide citation)

A rear projection screen produced by providing surface irregularity directly on at least one side of a light diffusion layer containing at least one light scattering material selected from the group consisting of one or more waxes, one or more crystalline polymers or a mixture thereof.

Junji Miyahara, Hisatoyo Kato: Rear projection screens. Fuji Photo Film, Sughrue Rothwell Mion Zinn and Macpeak, April 11, 1978: US04083626 (48 worldwide citation)

Rear projection screens of superior mechanical and optical properties are described which comprise, in all instances, at least one light diffusion layer and at least one transparent support, an intermediate layer being provided between the light diffusion layer and the transparent support, which int ...

Brian L Welch, Paul Weissman: High definition television head mounted display unit. CAE Electronics, Fishman Dionne & Cantor, September 20, 1994: US05348477 (33 worldwide citation)

An optical image is generated by an image source and is transmitted to an optical assembly by a fiber optic cable or cables. The optical assembly includes a transmission lens or lenses, rear projection screens and an eyepiece. By using a rear projection screen in the optical assembly, a non-pupil fo ...

James A Miller: Transmissive reflector including nacreous, pressure sensitive adhesive layer. Morgan Adhesives Company, Oldham Oldham Hudak Weber & Sand Co, March 13, 1984: US04436377 (28 worldwide citation)

A transmissive reflector which both reflects light and lets light pass therethrough. The transmissive reflector comprises a nacreous pigment in combination with a transparent adhesive. The nacreous pigment and the transparent adhesive can be separately coated on a clear or transparent substrate or c ...

Robert S Moshrefzadeh, Theodore W Hodapp, Patrick A Thomas, Hsin Hsin Chou, John C Nelson, Patrick R Fleming: Projection screen using dispersing lens array for asymmetric viewing angle. 3M Innovative Properties Company, William D Miller, November 13, 2001: US06317263 (25 worldwide citation)

Rear projection screens include a film layer having a plurality of lenses for diverging light horizontally and vertically. The horizontal viewing angle created by the lenses may be different from the vertical viewing angle. The light may be directed by the lenses in a particular direction, so that t ...

Michael D Broome: Rear projection screen multi-panel connector assembly. Draper Shade & Screen Co, Baker & Daniels, April 7, 1992: US05103339 (23 worldwide citation)

The invention comprises a multiple rear projection screen assembly which includes a plurality of rear projection screens and framing members between adjacent screens. Each screen has edges and a front and rear side, and are positioned in an adjacent relationship to form a contiguous viewing area suc ...

Edward G Ludwig Jr, Patricia Maxson, John A Dorazio: Bilayer rear projection screens. Rohm and Haas Company, Roger K Graham, April 26, 1994: US05307205 (22 worldwide citation)

Efficient, lower weight, more versatile rear projection screens can be produced by combining in laminated form an unmodified clear matrix resin layer with a second sheet containing light diffusing polymer particles of specific size and size distribution.