Thin optical display panel

Details Thin optical display panel Thin optical display panel

1996-01-11

1997-09-16

Palmer, Phan T. H.

Optical waveguides

Optical fiber bundle

Fiber bundle plate

385115, 385116, G02B 604

Patent

active

056689071

ABSTRACT:
An optical display includes a plurality of optical waveguides each including a cladding bound core for guiding internal display light between first and second opposite ends by total internal reflection. The waveguides are stacked together to define a collective display thickness. Each of the cores includes a heterogeneous portion defining a light scattering site disposed longitudinally between the first and second ends. Adjacent ones of the sites are longitudinally offset from each other for forming a longitudinal internal image display over the display thickness upon scattering of internal display light thereagainst for generating a display image. In a preferred embodiment, the waveguides and scattering sites are transparent for transmitting therethrough an external image in superposition with the display image formed by scattering the internal light off the scattering sites for defining a heads up display.

REFERENCES:
patent: 3836809 (1974-09-01), Condon
patent: 3907403 (1975-09-01), Maeda
patent: 4309070 (1982-01-01), St. Leger Searle
patent: 4711512 (1987-12-01), Upatnieks
patent: 5224198 (1993-06-01), Jachimowicz et al.
patent: 5291184 (1994-03-01), Iino
patent: 5341230 (1994-08-01), Smith
patent: 5369415 (1994-11-01), Richard et al.
patent: 5381502 (1995-01-01), Veligdan

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