Semiconductor light emitting diode producing visible light
US5739552A · kind A · utility
466Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1995 |
| Grant date | Apr 14, 1998 |
| Priority date | — |
| Expiry date | Oct 24, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H29/10
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A method of fabricating a light emitting diode (LED) device producing visible light includes growing layers of an LED emitting blue light to form a blue LED; growing layers of an LED emitting green light to form a green LED; growing layers of an LED emitting red light to form a red LED; and uniting the three LEDs directly to each other by annealing. Therefore, an LED device that can emit light of all three colors from the same region of the LED device with variable light intensity is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.