Light emitting apparatus
US6730942B2 · kind B2 · utility
10Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2003 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Jan 23, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/181
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A sealing member for a short-wavelength light emitting element comprises a main agent and a curing agent. The main agent comprises a first component of an alicyclic epoxy produced by hydrogenating an aromatic epoxy, preferably a bisphenol A epoxy, and a second component of an alicyclic epoxy having a lower molecular weight than the first component. The mixing amount of the second component is not less than 10% by weight and less than 30% by weight based on the main agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.