Backlight unit including curved fluorescent lamp, and liquid crystal display apparatus including the backlight unit
US7258462B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2005 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Jul 28, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133612
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit that includes: an outer container; a curved fluorescent lamp that is contained in the outer container and includes two electrodes and a glass bulb that has (i) a folded portion and (ii) two straight portions that extend in parallel with each other from the folded portion, and the two electrodes being respectively attached to two ends of the glass bulb; and an inverter operable to supply power for lighting to the curved fluorescent lamp. The inverter is disposed outside the outer container, and the curved fluorescent lamp is arranged so that the electrodes are at low positions and the folded portion is at a high position in the outer container when the backlight unit is erected vertically in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.