Black optic display
Abstract
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.
- Inventors:
-
- Manorville, NY
- Issue Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- OSTI Identifier:
- 870930
- Patent Number(s):
- 5625736
- Assignee:
- Associated Universities, Inc. (Washington, DC)
- Patent Classifications (CPCs):
-
G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04N - PICTORIAL COMMUNICATION, e.g. TELEVISION
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 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; /385/362/
Citation Formats
Veligdan, James T. Black optic display. United States: N. p., 1997.
Web.
Veligdan, James T. Black optic display. United States.
Veligdan, James T. Wed .
"Black optic display". United States. https://www.osti.gov/servlets/purl/870930.
@article{osti_870930,
title = {Black optic display},
author = {Veligdan, James T},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 1997},
month = {Wed Jan 01 00:00:00 EST 1997}
}