Display apparatus of audio/video player or the like
US6761460B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | May 2, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/0409
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus adapted to be mounted on an audio/video player or the like comprises a housing having a window. A backlight unit having a plate mounted in said housing and made of transparent materials which has a front surface and a back surface, and a plurality of reflecting pieces disposed on the back surface of said plate and being gradually enlarged by distance. A light set has a LED arranged beside the plate of the backlight unit nearby said the reflecting pieces of smaller sizes to emit light to the backlight unit and reflected by the reflecting pieces to the front surface of the plate. A screen is mounted in the housing and disposed in front of the front surface of the backlight unit corresponding in location to the window of the housing, the screen is capable of passing the light reflected by said backlight unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.