LED array PCB with adhesive rod lens
US6188527A · kind A · utility
52Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1999 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Apr 12, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The inventive lens is formed from an optical adhesive is used to collect light from a LED array. As the adhesive is dispensed, it is formed into the shape of a lens. The adhesive is then cured, and a lens is formed that covers the LED array. The inventive lens collects light that is emitted by the LEDs at extreme angles and directs the light to the scan location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.