Display device
US6269565A · kind A · utility
56Cited by
17References
114Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/026
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A viewing device for viewing transparencies comprising a display surface; a source of backlighting that backlights the display surface with linearly polarization axis; member for holding a transparency on the display surface;an optical sensor positioned so that it views the display surface; and polarizer, having a polarizer axis, and suituated between the display surface and the optical sensor. The viewing device is configured such that the polarizer axis is functionallu related to the polarization axis of the polarized light; and the polarized is smaller than the display surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.