File:Early LED Patents.png
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Captions
Captions
Early patents for light-emitting diode designs from 1927-1969.
Summary[edit]
| Description |
English: Early patents for light-emitting diode designs. From left to right: Losev's SiC diode proposed as a light-relay, patented in 1927, Zoltán and György's LED design, patented for General Electric in 1941, Board and Pittman's infrared LED design, patented for Texas Instruments in
1966, Holonyak's visible light LED design, patented for General Electric in 1969. Adapted from patents SU12191 (Soviet Patent), US2254957A, US3293513A and US3476993A. |
| Date | |
| Source | Own work |
| Author | Michael Weinold |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:58, 18 November 2020 | | 1,742 × 625 (407 KB) | Michael Weinold (talk | contribs) | Uploaded own work with UploadWizard |
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