Seoul Semiconductor

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Seoul Semiconductor Company Ltd.
Type Public
KOSDAQ:046890
Industry Electronics
Products Light-emitting diodes
Operating income KRW 735,000,000,000 (October 2011)[1]
Website seoulsemicon.co.kr

Seoul Semiconductor Co., Ltd is a Korean company manufacturing LED devices. The company is listed on KOSDAQ. The company is producing LED packages in two plants in Ansan, Korea. The total production capacity is 4 billion LED packages per month.[2]

In November 2006 Seoul Semiconductor announced it would be the first company to start selling in quantities LED light sources that can be plugged directly into 110 V or 230 V AC source. Previously using LED light sources has required the help of various converters. Lately a product development was released which provides a 90% increase in power efficiency and a THD lower than 25% to comply with the requirements of different countries, including DOE and others. Through IC technology, lighting manufacturers can directly plug Acrich2-based products into the wall without consideration of electrical conditions. The Acrich2 boards provide a replacement LED solution to replace 40W, 60W and 100W incandescent bulbs as well as MR16 halogen lamps and down lights.[3]

Competitors of Seoul Semiconductor include among others Nichia, Cree, Lumileds, Everlight and Epistar.

The latest product of Seoul Semiconductor is LED ZC which is designed as a COB type and removes the need for the LED to be surface-mounted on to a metal plate, allowing manufacturers to bypass the chip connection process before use. Other popular COB type LED manufactureres are among others BridgeLux and Sharp Corporation.

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