Light emitting device and light receiving and emitting driving circuit
US7372430B2 · kind B2 · utility
5Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2004 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Nov 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/32
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light emitting device including a plurality of pieces of LEDs D01, D02 to D16, one or more driving circuit(s) for supplying the plurality of LEDs D01, D02 to D16 with electrical power, the number of the driving circuit(s) being less than the number of the LEDs D01, D02 to D16, one or more multiplexer(s) being between the plurality of LEDs D01, D02 to D16 and each of the one or more driving circuit(s), a storage member for storing an image data, and a main control unit for letting the plurality of LEDs emit light by outputting a control signal to each of the multiplexer(s) based on the image data, is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.