IoTLT in Shenzhen, 2018/10/20

1. Interface Device Laboratory, Kanazawa University http://ifdl.jp/
NeoPixelの故郷へ行ってみた
We visited “Hometown of NeoPixel”
秋田純一
金沢大学

2. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Who am I
Professor at Kanazawa University
Major
Semiconductor, Integrated Circuit (LSI)
Image Sensors
Sub-major
Maker
Electronics Hobbiest
“Soldering Therapist”
（ハンダテラピスト）

3. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
What’s WorldSemi?
LED Company in China (near ShenZhen)
Main product: MCU-controlled LED
“NeoPixel”
Popular in LED display, illumination, …
Super Low cost
(～0.03USD/pcs)
20Mpcs/month
production

4. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Company
One floor
in one building
Est: 2007

5. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Founder&Enginner&Inventor

6. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Production: wafer

7. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Factory: mount, bond, and mold

8. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Production Technology: traditional

9. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Detailed test for all pieces

10. 2018/10/25 Interface Device Laboratory, Kanazawa University http://ifdl.jp/
Key Points
“Cost” can make innovation,
although its technology is traditional and old
Market needs “product”
He “loves” LED!
Passion drives innovation
Concrete baselines,
fantastic circuit design
True “Maker Pro”