The first speaker was Mr. Percy Lam (Vice President, APT Electronics Ltd.) and his topic named “High Brightness LED Chip and Module Lighting Source Technology for Solid State Lighting”. APT Electronics Ltd. (广州南沙区成立晶科电子（广州）有限公司) established their LED production line in Guangzhou since 2006.
A LED device was shown as follow.
The second speaker was Mr. David Ng (Design Manager of IC Design Group, ASTRI) and his topic was “LED Driver Technology”.
Mr. Ng introduced the LED Driver Design and their AC-DC Controller for LED Lighting.
LED Driver Advantages were discussed below:
1) Total Components count is just a few
2) Save Spaces, can adapt to size limited LED lighting
3) Isolated solution, provides safety solution
The final speaker was Mr. Sun Tam (Director of R&D Dept., Optiled Lighting International Ltd.) and his topic entitled “Essences of Quality LED Lighting Products and the Applications”
Mr. Tam compared the traditional lighting and LED lighting. It was found LED lighting was more efficiency and more focus light effect.
Then the features of LED lamps were described. It included LED light source, Heat Sink, Power Supply Unit, Diffuser and Casing.
LED light source
Heat Sink
Power Supply Unit
Diffuser
Casing
Mr. Tam mentioned the product quality and safety below:
1) Workmanship, QC process (Robustness)
2) Thermal Management (LED life)
3) Circuitry (Safety and Reliability)
4) Certification and Specification (Safety and Function Guarantee)
5) Production (Life Tests)
Mr. Tam remarked “In Hong Kong Law it is permissible for the product manufacturer to self declare compliance with safety requirements. Justification is to be produced only when required by EMSD.” Therefore, responsible manufacturers would only state CE or any other safety compliance after having their products formally tested by a recognized laboratory.
Mr. Tam compared the traditional lighting and LED lighting. It was found LED lighting was more efficiency and more focus light effect.
Then the features of LED lamps were described. It included LED light source, Heat Sink, Power Supply Unit, Diffuser and Casing.
LED light source
Heat Sink
Power Supply Unit
Diffuser
Casing
Mr. Tam mentioned the product quality and safety below:
1) Workmanship, QC process (Robustness)
2) Thermal Management (LED life)
3) Circuitry (Safety and Reliability)
4) Certification and Specification (Safety and Function Guarantee)
5) Production (Life Tests)
Mr. Tam remarked “In Hong Kong Law it is permissible for the product manufacturer to self declare compliance with safety requirements. Justification is to be produced only when required by EMSD.” Therefore, responsible manufacturers would only state CE or any other safety compliance after having their products formally tested by a recognized laboratory.
Finally, some applications of LEDs were shown.
Reference:
APT Electronics Ltd – http://www.aptelectronics.co.uk/
晶科电子（广州） – http://b2b.ofweek.com/Showroom/6f1a66fd3f8c4dc1/companyinfo.html
ASTRI LED – http://www.astri.org/main/?contentnamespace=technologies:mpt:led:led_lighting
Optiled Lighting International Ltd. – http://www.optiled.com/
Exchange @ Science Park Seminar – http://www.hkstp.org/HKSTPC/onlineForm.jsp?lan=en&id=OF_0000118
Reference:
APT Electronics Ltd – http://www.aptelectronics.co.uk/
晶科电子（广州） – http://b2b.ofweek.com/Showroom/6f1a66fd3f8c4dc1/companyinfo.html
ASTRI LED – http://www.astri.org/main/?contentnamespace=technologies:mpt:led:led_lighting
Optiled Lighting International Ltd. – http://www.optiled.com/
Exchange @ Science Park Seminar – http://www.hkstp.org/HKSTPC/onlineForm.jsp?lan=en&id=OF_0000118
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