Light emitting device with silicone resin layer formed by screen printing
US7745818B2 · kind B2 · utility
228Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2006 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Jan 30, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/00014
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A light emitting device, including a light emitting element, and a resin layer that has been screen printed to coat said light emitting element is provided. The resin layer is formed from a curable silicone resin composition, which includes (i) an organopolysiloxane with a polystyrene equivalent weight average molecular weight of at least 5×103, (ii) a condensation catalyst, (iii) a solvent, and (iv) a finely powdered inorganic filler. The uniformity of the film thickness is excellent, thus resulting in little color irregularities during light emission from the light emitting element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.