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Dr. Kwang-Cheol Lee
Senior Researcher at Korea Photonics Technology Institute
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Author
Publications (4)
Proceedings Article | 30 September 2013 Paper
Object-oriented emission-adaptive phosphor layer for pc-white LED
Kwang-Cheol Lee, Deokgi Kim, So-Ra Gang, Jong Hyeob Baek
Proceedings Volume 8835, 88350K (2013) https://doi.org/10.1117/12.2024866
KEYWORDS: Light emitting diodes, Luminous efficacy, Coating, Light scattering, Blue light emitting diodes, Human vision and color perception, Silicon, Scanning electron microscopy, Photonics, Reliability
Proceedings Article | 15 December 2011 Paper
The influence of phosphor sedimentation on the white LEDs with different structure chip
Kwang-Cheol Lee, Deok Gi Kim, Sang-Mook Kim, Hwa-Sub Oh, Jong Hyeob Baek
Proceedings Volume 8312, 83120E (2011) https://doi.org/10.1117/12.905827
KEYWORDS: Light emitting diodes, Epoxies, Luminous efficacy, Silicon, Particles, Photomicroscopy, Photonics, Protactinium, Statistical analysis, Photography
Proceedings Article | 18 August 2010 Paper
The effects of titania diffuser on angular color homogeneity in the phosphor conformal coated white LEDs
Proceedings Volume 7784, 778410 (2010) https://doi.org/10.1117/12.861108
KEYWORDS: Diffusers, Light emitting diodes, Luminous efficacy, Light scattering, Coating, Scattering, Atmospheric particles, Absorption, Particles, Titanium dioxide
Proceedings Article | 2 October 2001 Paper
Microlens fabrication using glass transition temperature modification by the LIGA process
Sung-Keun Lee, Kwang-Cheol Lee, Seung-Seob Lee
Proceedings Volume 4561, (2001) https://doi.org/10.1117/12.443081
KEYWORDS: Microlens, Polymethylmethacrylate, X-rays, Microlens array, Gold, Glasses, Silicon, Convection, Photomasks, Photoresist materials
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