History

2020
- 12Passed the World Class Product of Korea for 2020 certification
  and extended the certification for a year
2020
- 12세계일류상품 2020년 자격 심사 PASS, 인증 1년 연장
2019
- 11Selected as the world’s best product by Ministry of Trade, Industry
  and Energy and Korea Trade Investment Promotion Agency in November
  (IR-Receiver Pre-amp IC)
2018
- 08Developed the Free Voltage AC LED Driver IC
- 09Acquired by Alpha Holdings Inc. (included as a complete subsidiary)
- 12Merged to Alpha Holdings Inc. and operated as the Fabless Sector of Cheongju Branch
- 12Relocation of the branch office building (BYC Building in Gangseo-dong, Heungdeok-gu, Cheongju-si)
2017
- 01Received the appreciation plaque by Chungbuk National University
  the Board of Technology Development Cooperation
- 06Developed the ROIC for MEMS microphone ROIC (Analog Type)
- 12IR-Receiver Pre-amp IC was sold more than 700 million units a year
2016
- 03Developed the Low Voltage Key Scan IC

2015
- 01MEMS ROIC for microphones entered Biz
- 07Developed the High Voltage Key Scan IC
2015
- 01MEMS 마이크로폰용 ROIC Biz 진출
- 07High Voltage Key Scan IC 개발
2014
- 01Entered Key Scan IC Biz
- 01Awarded with the plaque of appreciation for Chungbuk National University Industry-Academic
  Cooperation and Joint Technology Development
2013
- 07Developed the LED Driver IC with Dimming
- 07Developed the Door Lock Driver IC for cars
- 12Developed the PFC control IC for the LED lighting converter
- 12IR-Receiver Pre-amp IC was sold more than 600 million units a year
2012
- 10Developed the high-power LED drive IC with excellent thermal characteristics
2011
- 01LED Driver IC entered Biz
- 06Developed the 1CH white LED driven by the static current
- 08Developed the AC direct drive LED Driver IC
- 08Developed the 3CH RGB LED driven IC

2010
- 11Awarded the "Tower of 10 million Dollars in Exports” by
  Korea International Trade Association
- 12IR-Receiver Pre-amp IC was sold
  more than 500 million units a year
2010
- 11한국무역협회 주관 “일천만불 수출의 탑” 수상
- 12IR-Receiver Pre-amp IC 연간판매량 5억개 돌파
2009
- 10Established the Shenzhen Office in China
- 12IR-Receiver Pre-amp IC was sold more than 400 million units a year
2008
- 03Developed the LED Driver IC for Infra-red Camera
- 06Developed the Amblient Light Seneor IC
- 11ISO 9001, 2015 certification
- 12IR-Receiver Pre-amp IC was sold more than 300 million units a year
2007
- 01Power Management IC entered Biz
- 03Developed the PMIC for CCTV Camera
- 12The annual sales exceeded 10 million dollars
- 12IR-Receiver Pre-amp IC was sold more than 200 million units a year
2006
- 03Developed the CMOS IR-Receiver Pre-amp IC
- 04Developed the CMOS IrDA

2005
- 02IrDA Transeiver IC 1 Chip 개발
- 09Encoder/Decoder 용 Photo IC 개발
2004
- 03Awarded with the Excellent Taxpayer Award by National Tax Service
- 04Developed the Rx for Photo Link
- 12IR-Receiver Pre-amp IC was sold more than 100 million units a year
2003
- 08Relocated the headquarters office (Daekwang Building, Bokdae-dong, Heungdeok-gu, Cheongju-si)
- 09Selected for the “Local Specialized Technology Development Project” by the Ministry of Trade, Industry and Energy
- 11Developed the Servo Motor Driver IC
2000
- 06Developed the IrDA Transceiver IC 1 Chip (first in Korea)
- 09Established the corporate research institute
1999
- 04Selected for the “Technology Business Incubator" by the Ministry of Trade, Industry and Energy
- 09Developed the IR-Receiver Pre-amp IC 1 Chip (first in Korea)
1998
- 09Established AD Tech Corporation Inc

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