Optical element and manufacturing method therefor
US7009749B2 · kind B2 · utility
2Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Aug 26, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/131
Abstract
The cathode of an optical element, which is formed by a substrate, an anode formed on the substrate, a luminous element layer and a cathode, is made of aluminum whose surface orientation is substantially uniform. Oxygen content of the aluminum is substantially less or equal to 1×1020 atoms/cm3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.