Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215131 | Light-emitting device using vacuum doughnut to serve as a current blocking layer | Jian Chen, Wei-Chih Lai | 2001-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215131 | Light-emitting device using vacuum doughnut to serve as a current blocking layer | Jian Chen, Wei-Chih Lai | 2001-04-10 |