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Prof Partha Dutta, Ru-Shi Liu, Dr Franz Wenzl

  1. Content type: Research article

    We report on the methodology and implementation of a robust and accurate double integrating sphere system for measuring the absolute photoluminescence quantum yield and its temperature dependence of commercial...

    Authors: Paula Gorrotxategi, Marianne Consonni and Adrien Gasse

    Citation: Journal of Solid State Lighting 2015 2:1

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  2. Content type: Research

    For a systematic approach to improve the white light quality of phosphor converted light-emitting diodes (LEDs) for general lighting applications it is imperative to get the individual sources of error for cor...

    Authors: Susanne Schweitzer, Christian Sommer, Paul Hartmann, Paul Fulmek, Johann Nicolics, Peter Pachler, Hans Hoschopf, Franz Schrank, Gregor Langer and Franz P Wenzl

    Citation: Journal of Solid State Lighting 2014 1:18

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  3. Content type: Research article

    Technologies that control the chemical composition of white lighting-emitting diodes are promising means to enhance thermal properties and renew spectra generation. Although (oxy)nitride red phosphors have bee...

    Authors: Chun Che Lin and Ru-Shi Liu

    Citation: Journal of Solid State Lighting 2014 1:16

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  4. Content type: Research article

    An intense red phosphor, CaYAlO4:Mn4+, was developed by solid state reaction. The photoluminescence excitation and emission spectra, concentration effect, thermal-dependent luminescence quenching properties and d...

    Authors: Yan Chen, Meng Wang, Jing Wang, Mingmei Wu and Chengxin Wang

    Citation: Journal of Solid State Lighting 2014 1:15

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  5. Content type: Research

    Bi3+/Eu3+ co-activated Sr3Lu2(BO3)4 was successfully synthesized via a solid state reaction. The optimal concentration of Bi3+,Eu3+ and Bi3+/Eu3+ are 1 mol%, 60 mol% and 1 mol%/20 mol%, respectively. The emission...

    Authors: Irish Valerie B Maggay, Pin-Chun Lin and Wei-Ren Liu

    Citation: Journal of Solid State Lighting 2014 1:13

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  6. Content type: Research

    This study demonstrates the hybrid structure with high lumen efficiency and uniform angular-dependent correlated color temperature (CCT) for warm white LED. Compared to the conventional structures, the hybrid ...

    Authors: Chin-Wei Sher, Kuo-Ju Chen, Chien-Chung Lin, Hau-Vei Han, Bing-Cheng Lin, Kuan-Yu Wang, Jie-Ru Li, Mei-Tan Wang, Jung-Min Hwang, Min-Hsiung Shih, Chien-Chung Fu and Hao-Chung Kuo

    Citation: Journal of Solid State Lighting 2014 1:9

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  7. Content type: Research

    Lighting engineering aspects of light emitting diodes (LEDs) with down converting phosphors (phosphor converted LEDs or PC-LEDs) were investigated by building sample PC-LEDs, measuring their spectral emission ...

    Authors: Charlotte Bois, Peter Bodrogi, Tran Quoc Khanh and Holger Winkler

    Citation: Journal of Solid State Lighting 2014 1:5

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