Backlight unit for test device of LCD panel
US7753567B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2006 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Jan 22, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133628
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit for a test device of an LCD panel is disclosed. The backlight unit includes: a chamber enclosing a predetermined space, the chamber being provided with a plurality of through holes formed around the chamber perimeter to allow air flow between the interior and exterior of the chamber; a backlight provided in the chamber to emit a light to an LCD panel positioned in the chamber; and a plurality of circulating fans provided in the chamber to circulate air inside the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.