With the continuous advancement of LED packaging technology, the use of multi-chip integrated COB packaging has attracted more and more attention from enterprises with its unique cost and technical advantages. But at the same time, this also puts higher requirements on the heat dissipation of packaged devices. Ceramics will be adopted by more and more manufacturers with their high thermal conductivity.
The ceramic package utilizes the high thermal conductivity of ceramics and metals to quickly transfer heat generated by high power to the outside of the package. In addition, ceramics and metals, or ceramics and the primary optical polymer (silica gel) have a small difference in thermal expansion coefficient, thus reducing the risk of thermal stress between materials. At the same time, the ceramic package uses a ring array of chip arrangement to better align light.
In the past few years, the traditional ceramic packaging manufacturers in Japan, Sharp, Citizen, etc., they hold technical patents, making the price of ceramic packaging high, in the overall environment of LED device price reduction is difficult to promote.
However, the emergence of China's excellent packaging companies represented by Shenzhen Sunshine Electric has made the stagnation of the ceramic packaging market a history.
"We have successfully developed a ceramic package series that is comparable to Japan's Sharp and Citizen performance indicators. Taking the 4W CY-1215 series as an example, it is not only small in size, high in luminous efficiency, no spot, and has a wide range of color temperatures. Simple, can be easily applied to different lamps such as bulbs, spotlights and downlights.†Yang Hong, general manager of Shenzhen Sunshine Electric Co., proudly said that the domestic ceramic packaging technology has basically caught up with Japanese manufacturers, and in terms of price It is a victory over the Japanese, and it also has a strong competitive advantage compared with the domestic aluminum substrate package. The same area, the ceramic package power is 2-3 times that of the aluminum substrate.
As the most complete enterprise in the domestic ceramic packaging production line, Sunshine Electric has introduced the world's most advanced automatic solid crystal machine, wire bonding machine, glue filling machine, spectrophotometer and semi-automatic testing equipment to produce comprehensive testing equipment. automation.
For Sunshine Solar, only ceramic packaged devices do not fully reflect the competitive advantage. “We will also provide customers with complete lighting solutions, including reflector lenses, etc.†Yang Hong said.
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