Illumination unit and display apparatus using the same
US8944624B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2013 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | May 5, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/54
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are an illumination unit and a display apparatus. The illumination unit includes a first reflector, a second reflector arranged at either side of the first reflector, at least one light source module arranged between the first reflector and the second reflector, a cover member for covering the second reflector, an optical member arranged between the cover member and the second reflector while facing the first reflector, a first projection member interposed between the optical member and the cover member, and a second projection member interposed between the optical member and the second reflector. The distance from the cover member to one side surface of the first projection member is longer than the distance from the cover member to one side surface of the second projection member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.