Display having diffraction grating pattern
US5301062A · kind A · utility
100Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1992 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Jan 28, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2001/0497
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display having a diffraction grating pattern includes: PA1 (a) a flat substrate; and PA1 (b) at least one dot formed on a surface of the flat substrate, the dot being formed by a diffraction grating pattern as an aggregate of a plurality of curves obtained by translating a curve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.