![Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence](https://www.rp-photonics.com/img/direct_bandgap.png)
Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence
![Aluminum Nitride Light Emitting Diodes with the Shortest Wavelength towards Dioxin, PCB Decomposition Technology — LED professional - LED Lighting Technology, Application Magazine Aluminum Nitride Light Emitting Diodes with the Shortest Wavelength towards Dioxin, PCB Decomposition Technology — LED professional - LED Lighting Technology, Application Magazine](https://www.led-professional.com/technology/light-generation/aluminum-nitride-light-emitting-diodes-with-the-shortest-wavelength-towards-dioxin-pcb-decomposition-technology/@@images/533b1832-b6eb-4441-b1c7-5dd14c48fadd.jpeg)
Aluminum Nitride Light Emitting Diodes with the Shortest Wavelength towards Dioxin, PCB Decomposition Technology — LED professional - LED Lighting Technology, Application Magazine
![Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence](https://www.rp-photonics.com/img/indirect_bandgap.png)
Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence
![Is there any relation between turn on voltage of LED and the colour emitted? - Physics Stack Exchange Is there any relation between turn on voltage of LED and the colour emitted? - Physics Stack Exchange](https://i.stack.imgur.com/HJcxo.jpg)
Is there any relation between turn on voltage of LED and the colour emitted? - Physics Stack Exchange
![If an LED has to emit 662 nm wavelength of light them what should be the band gap energy of its semiconductor? h = 6.62 × 10^-34 Js. If an LED has to emit 662 nm wavelength of light them what should be the band gap energy of its semiconductor? h = 6.62 × 10^-34 Js.](https://d1hj4to4g9ba46.cloudfront.net/questions/1967209_1724553_ans_811a10999e3d4bdab13c89bb5d5d8d07.jpg)
If an LED has to emit 662 nm wavelength of light them what should be the band gap energy of its semiconductor? h = 6.62 × 10^-34 Js.
![Room temperature EL spectra of Si LED at different injection currents... | Download Scientific Diagram Room temperature EL spectra of Si LED at different injection currents... | Download Scientific Diagram](https://www.researchgate.net/profile/Tzu-Huan-Cheng/publication/264588034/figure/fig2/AS:295838401220610@1447544779238/Room-temperature-EL-spectra-of-Si-LED-at-different-injection-currents-from-100-to-1000.png)
Room temperature EL spectra of Si LED at different injection currents... | Download Scientific Diagram
![SOLVED:The semiconductor CaSe has a band gap of 1.74 eV. What wavelength of light would be emitted from an LED made from CdSe? What region of the electromagnetic spectrum is this? SOLVED:The semiconductor CaSe has a band gap of 1.74 eV. What wavelength of light would be emitted from an LED made from CdSe? What region of the electromagnetic spectrum is this?](https://cdn.numerade.com/previews/afcb2655-e962-4c6b-9521-8f1c71f8831d_large.jpg)