Liquid crystal display apparatus having display panels on both upper and lower surfaces
US6741301B2 · kind B2 · utility
33Cited by
1References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2002 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Dec 30, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133626
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display apparatus includes a first liquid crystal display panel, a second liquid crystal display panel smaller in area than the first liquid crystal display panel. A flat backlight has an optical waveguide and a point light source placed near one side surface portion of the optical waveguide, and is placed between the first liquid crystal display panel and the second liquid crystal display panel. One reflecting layer is placed at least between the flat backlight and the second liquid crystal display panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.