Black optic display

Patent · Wed Jan 01 00:00:00 EST 1997

OSTI ID:870930

Veligdan, James T ^[1]

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1. Manorville, NY

An optical display includes a plurality of stacked optical waveguides having first and second opposite ends collectively defining an image input face and an image screen, respectively, with the screen being oblique to the input face. Each of the waveguides includes a transparent core bound by a cladding layer having a lower index of refraction for effecting internal reflection of image light transmitted into the input face to project an image on the screen, with each of the cladding layers including a cladding cap integrally joined thereto at the waveguide second ends. Each of the cores is beveled at the waveguide second end so that the cladding cap is viewable through the transparent core. Each of the cladding caps is black for absorbing external ambient light incident upon the screen for improving contrast of the image projected internally on the screen.

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY (United States)
• Assignee: Associated Universities, Inc. (Washington, DC)
• Patent Number(s): US 5625736
• OSTI ID: 870930
• Country of Publication: United States
• Language: English

Related Subjects

black
optic
display
optical
plurality
stacked
waveguides
opposite
collectively
defining
image
input
screen
respectively
oblique
transparent
core
bound
cladding
layer
index
refraction
effecting
internal
reflection
light
transmitted
layers
including
cap
integrally
joined
thereto
waveguide
cores
beveled
viewable
caps
absorbing
external
ambient
incident
improving
contrast
projected
internally
optical display
light incident
internal reflection
optical waveguides
optical waveguide
cladding layer
light transmitted
stacked optical
optical wave
collectively defining
ambient light
layers including
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