LED lamp - Wikipedia
![LED lamp - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/e/e1/Led-lampa.jpg)
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Neon lamp - Wikipedia
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Incandescent light bulb - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/LED-E27-Light-Bulb-1134.jpg/330px-LED-E27-Light-Bulb-1134.jpg)
LED lamp - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Verschiedene_LEDs.jpg/220px-Verschiedene_LEDs.jpg)
Light-emitting diode - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Surface_mount_LED_close_up_image.png/220px-Surface_mount_LED_close_up_image.png)
Light-emitting diode - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Edison_incandescent_lights.jpg/220px-Edison_incandescent_lights.jpg)
Incandescent light bulb - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/DSC09917_BAPS_Temple_-_E_view_by_Volkan_Yuksel.jpg/220px-DSC09917_BAPS_Temple_-_E_view_by_Volkan_Yuksel.jpg)
LED lamp - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/3/34/SNX100.jpg)
Light-emitting diode - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/LED_light_%2840979%29.jpg/220px-LED_light_%2840979%29.jpg)
LED lamp - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Bright_Street_light.jpg/640px-Bright_Street_light.jpg)
Street light - Wikipedia
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