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LED Packaging
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LED Packaging

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1000
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LED
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产品描述

In general, the function of the package is to provide sufficient protection for the chip to prevent the chip from being exposed to air or mechanical damage for a long time to improve the stability of the chip. For LED packages, it also needs to have good light extraction efficiency and good heat dissipation. A good package can make LEDs have better luminous efficiency and heat dissipation environment, thereby improving the life of LEDs.

Packaging is a key link in the production of white LEDs: The light-emitting mechanism of semiconductor materials determines that a single LED chip cannot emit continuous white light. Therefore, two or more complementary colors of light must be mixed in the process to form white light. Currently, the main methods to achieve white LED There are three types: blue LED + YAG yellow phosphor, RGB tri-color LED, ultraviolet LED + multi-color phosphor, and the realization of white LED is in the packaging link. Good process precision control and good materials and equipment are the guarantee of the consistency of white LED devices.

The current development of the domestic LED packaging industry is relatively mature, forming a complete LED packaging industry chain. In terms of regional distribution, the Pearl River Delta region is the region with the largest concentration of LED packaging companies in mainland China and the largest packaging industry. The number of companies exceeds 2/3 of the country, accounting for 68% of the country's total. Except for the upstream LED epitaxial chip area, In addition, a large number of packaging materials and packaging equipment manufacturers and agents are gathered, with the most complete supporting facilities. Followed by the Yangtze River Delta region, the number of enterprises accounts for about 17% of the country, and other regions account for a total of 15%.

LED Packaging

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