Liquid crystal display device and vehicle measuring instrument
US10073289B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 18, 2015 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Oct 7, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133606
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display device includes a liquid crystal panel; a light source; a light guide member that guides light emitted from the light source to a back surface side of the liquid crystal panel; a diffuser panel that is disposed between the light guide member and the liquid crystal panel, extended over an entire area of the back surface of the liquid crystal panel, and diffuses the light received from the light guide member to illuminate the light to the liquid crystal panel; a first reflector that is provided on a back surface of the diffuser panel close to the light guide member side and on an optical axis of the light received from the light guide member, and reflects the light towards the light guide member side; and a second reflector that reflect the light reflected on the first reflector to the diffuser panel side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.