LED high-power chip generally refers to a large area of the chip? Why is that?

2020-10-27
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LED high-power chip generally refers to a large area of the chip? Why is that?

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2020-10-27
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White light LED high-power chips can generally be seen in the market at about 40MIL, the so-called high-power chip use power is generally refers to the electric power of more than 1W. Since the quantum efficiency is generally less than 20%, most of the electric energy will be converted into heat energy, so the heat dissipation of high-power chip is very important and requires a large area of the chip.

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Next: Why are LED chips divided into different sizes? How does size affect the photoelectric performance of LED?

Previous: What are the different requirements of chip technology and processing equipment for GaN epitaxial materials compared with GaP, GaAs and InGaAlP? Why is that?

Next: Why are LED chips divided into different sizes? How does size affect the photoelectric performance of LED?

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