COMMISSION INTERNATIONALE DE L'ECLAIRAGE INTERNATIONAL COMMISSION ON ILLUMINATION INTERNATIONALE BELEUCHTUNGSKOMMISSION  Division 2 Physical Measurement of Light and Radiation

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2nd CIE Expert Symposium on LED Measurement

 

Standard methods for specifying and measuring

LED and LED Cluster characteristics

 

May 10 - 12, 2001

Holiday Inn, Gaithersburg, Maryland USA

 

 

Final Program

PDF format file 

Co-Chair: Y Ohno
J Schanda

TUTORIAL

Thursday, May 10, 2001 (Washingtonian Room)

Time	Program	Lecturer
8:00 - 9:00	Registration / coffee and pastry
9:00 - 9:15	Introduction to the Tutorial
9:15 -10:25	Introduction to photometry and radiometry of LEDs	Yoshi Ohno, NIST, USA
10:25 -10:50	Coffee break
10:50 -12:00	Introduction to spectroradiometry and colorimetry of LEDs	Teresa Goodman, NPL, UK
12:00 - 1:30	Lunch break
1:30 - 3:00	Uncertainty principles and their application to LED measurement	Georg Sauter, PTB, Germany
3:00 - 3:30	Coffee break
3:30 - 4:30	CIE work on LED measurement	Kathleen Muray, INPHORA Inc. USA
4:30 - 5:00	Visual aspects connected with LED measurement	Janos Schanda, Univ. Veszprém, Hungary
5:00 - 5:30	General discussion	moderator: T Goodman

Abstracts available.

SYMPOSIUM

Friday, May 11, 2001 (Washingtonian Room)

Time		Paper	Authors
8:00 - 9:00		Registration / coffee and pastry
9:00 - 9:15		Introduction to the Symposium	J Schanda and Y Ohno
Session 1 - Measurement of Individual LEDs			Chair: T Goodman
9:15 - 9:55	Keynote paper	State of the Art of LED Technologies	G Mueller
9:55 -10:20	Coffee break
10:20 -11:00	Invited paper	The Emergence of Organic Light Emitting Diodes (OLEDs) as a Future Solid State Light Source	S Johnson
11:00 -11:20		Problems and Requirements of the Optical Characterization of LEDs	T Nagele
11:20 -11:40		Intercomparison of Spectroradiometric and Photometric Measurements of Light Emitting Diode Luminous Intensity	RL Austin and CR Lustenberger
11:40 -12:00		Round Robin LED Photometry Test in Japan	K Suzuki, et al
12:00 - 1:30	Lunch break
		Afternoon session 1	Chair: G Sauter
1:30 - 2:10	Invited paper	LED Measurement Instrumentation	R Young
2:10 - 2:30		Light Emitting Diode Standards	J Schanda, G Schanda and K Muray
2:30 - 2:50		Luminous Intensity Measurements of Light Emitting Diodes at NIST	CC Miller and Y Ohno
2:50 - 3:20	Coffee break
		Afternoon session 2	Chair: Y Ohno
3:20 - 4:00	Invited paper	Measurement Challenges in LED Production	G Heidel and W Marchl
4:00 - 4:20		Quantifying Photometric Spectral Mismatch Uncertainties in LED Measurements	R Young, K Muray, and C Jones
4:20 - 4:40		Luminous Flux Calibration of LEDs at NIST	CC Miller and Y Ohno
4:40 - 5:20		Open discussion
5:20 - 7:00	Tabletop exhibit
6:00 - 7:00	Cocktail time (Walker/Whetstone Ballroom)
7:00 pm	Dinner (Walker/Whetstone Ballroom)

Abstracts available.

Saturday, May 12, 2001 (Washingtonian Room)

8:00 - 9:00	Coffee and pastry
Session 2 - Spectral Measurement of LEDs			Chair: K Muray
9:00 - 9:40	Invited paper	Development of White LEDs in Japan	K Kohmoto
9:40 -10:00		Comparison Measurements of LEDs: Spectral Power Distribution	K Muray, Y Ohno, J Schanda, B Kránicz
10:00 -10:20		Spectroradiometer Characterization for Colorimetry of LEDs	Y Ohno and B Kránicz
10:20 -10:50	Coffee break
10:50 -11:10		Deconvolution for Spectral Data of LEDs	B Kránicz and Y Ohno
11:10 -11:30		Colour Rendering Properties of LED Sources	T Tarczali, P Bodrogi and J Schanda
11:30 -12:00		Open discussion
12:00 - 1:30	Lunch break
Session 3 - Measurement of LED Clusters / Arrays and Other Applications			Chair: C Jones
1:30 - 2:00	Invited paper	On the Use of Clusters of Light Emitting Diodes (LEDs) in Transportation Signaling lights	CK Andersen
2:00 - 2:30	Invited paper	Use of LED Clusters for Signals and their Measurement	SE Jenkins
2:30 - 2:50		Discussion
2:50 - 3:20	Coffee break
		Afternoon session 2	Chair: J Schanda
3:20 - 4:00	Invited paper	The Potential Ocular Hazards of LED Emitters	DH Sliney and BE Stuck
4:00 - 4:20		Laser Source Size as a Function of Distance	WJ Marshall
4:20 - 4:40		Comparative Optical Radiation Safety Analysis of new LED- Devices and Lamps	W Horak and R Neuhaus
4:40 - 4:55		Introducing a CD-ROM on LEDs	C Lányi, J Szabó, P Csuti, A Pái, J Schanda
4:55 - 5:00		Colour matching using LEDs as primaries	A. Borbély and J. Schanda
5:00 - 5:30		Open discussion and summary	Moderator: J. Schanda
5:30 pm		Closing remarks

Abstracts available.

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