Image display device
US8299980B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2007 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Apr 3, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image display device main roughly includes a floating image display unit 1 and a floating image recognizing unit 2. The floating image displaying unit 1 includes a display unit 10 having an image screen 11 for displaying a two-dimensional image, and an image transfer panel 20 located far from the image screen 11, the floating image display unit 1 being to focus light left from the image screen 11 on an image plane 30 in a space to thereby display a floating image, the space being located on one side of the image transfer panel 20 opposite to the other side thereof facing the display unit 11. The floating image recognizing unit 2 is formed of a light-transmissive plate 40 that is light transmissive. The light-transmissive plate 40 has a size that allows all light left from the image screen 11 and focused on the image plane 30 to be passed therethrough. The light-transmissive plate 40 is placed to be obliquely-crossed to the image plane 30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.