(A blue light emitting diode (LED) is seen here. Blue and ultraviolet LEDs are made using InGaN and GaN semiconductors. Currently, white LEDs are often made using a phosphor coating which is optical pumped by InGaN and GaN active materials.) |
(uploaded a new version of "Image:Blue LED.jpg": A blue light emitting diode (LED) is seen here. Blue and ultraviolet LEDs are made using InGaN and GaN semiconductors. Currently, white LEDs are often made using a phosphor coating which is optical pumpe) |
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Latest revision as of 18:04, 9 June 2009
A blue light emitting diode (LED) is seen here. Blue and ultraviolet LEDs are made using InGaN and GaN semiconductors. Currently, white LEDs are often made using a phosphor coating which is optical pumped by InGaN and GaN active materials.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:04, 9 June 2009 |  | 286 × 383 (10 KB) | S.Keating (talk | contribs) | A blue light emitting diode (LED) is seen here. Blue and ultraviolet LEDs are made using InGaN and GaN semiconductors. Currently, white LEDs are often made using a phosphor coating which is optical pumped by InGaN and GaN active materials.) |
| 17:41, 9 June 2009 |  | 1,600 × 1,200 (176 KB) | S.Keating (talk | contribs) | A blue light emitting diode (LED) is seen here. Blue and ultraviolet LEDs are made using InGaN and GaN semiconductors. Currently, white LEDs are often made using a phosphor coating which is optical pumped by InGaN and GaN active materials. |
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