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Seeing the situation in Russia and Ukraine makes people very worried.
There are many kinds of energy waste, mainly natural resources waste such as electricity and water, and other aspects of squandering.
Firstly, gallium nitride (GAN) based epitaxial wafers are lining up on the substrate. This process is mainly completed in a metal-organic chemical vapor deposition epitaxial wafer furnace (MOCVD).
The LED chip is a solid-state semiconductor device. One end of the chip is attached to a bracket, one end is the negative electrode, and the other end is connected to the positive electrode of the power supply so that the whole chip is encapsulated by epoxy resin.
Luminous efficacy is a measure. It is how well a light source produces visible light. It is the ratio of luminous flux to power, measured in lumens per watt (lm/w) in the International System of Units (SI).

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