Light guide plate, surface light source, and liquid crystal display device
US7789549B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 25, 2006 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Nov 5, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide plate has a light exit plane and a light entrance plane arranged on the periphery of the light exit plane. Light incident on the light entrance plane is outputted from the light exit plane. The light entrance plane includes a plurality of first end surfaces and a plurality of second end surfaces protruding in an external direction beyond the first end surfaces in plan view. The first end surfaces and the second end surfaces are alternately arranged along the periphery of the light exit plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.