LED array printhead with thermally coupled arrays
US5177500A · kind A · utility
28Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 11, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Sep 11, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/45
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An LED printhead that includes a plurality of LED chip arrays arranged in a row has areas adjacent end LEDs on each array connected by wires to provide a direct thermal shunt to reduce a temperature gradient between these LEDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.