End-wall frame for led alphanumeric display
US5923536A · kind A · utility
5Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1997 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Aug 8, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K7/1015
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An end-wall frame for an LED alphanumeric display circuit board provides full-length accurate standoffs for the display to prevent cracking and crazing of the epoxy coating of the encapsulated device, eliminates the need to apply black paint to the non-display portions of the lens, and provides a device for accurately aligning the printed circuit board in the lensed area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.