EFFECTS OF GREEN - EMITTING PHOSPHOR (LA, CE, TB) PO4:CE:TB ON LUMINOUS FLUX AND COLOR QUALITY OF WHITE LED LAMPS
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27240%2F17%3A10238629" target="_blank" >RIV/61989100:27240/17:10238629 - isvavai.cz</a>
Result on the web
<a href="http://advances.utc.sk/index.php/AEEE/article/download/2111/1317" target="_blank" >http://advances.utc.sk/index.php/AEEE/article/download/2111/1317</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.15598/aeee.v15i5.2111" target="_blank" >10.15598/aeee.v15i5.2111</a>
Alternative languages
Result language
angličtina
Original language name
EFFECTS OF GREEN - EMITTING PHOSPHOR (LA, CE, TB) PO4:CE:TB ON LUMINOUS FLUX AND COLOR QUALITY OF WHITE LED LAMPS
Original language description
In this paper, we present and analyze the influence of (La, Ce, Tb)PO4:Ce:Tb green phosphor (LaTb) toward the performance of the multi-chip white LED (MCW-LEDs) lamps including color uniformity, lumen output, Color Rendering Index (CRI), and Color Quality Scale (CQS). By mixing the LaTb green phosphor and the YAG:Ce yellow phosphor compounding under condition of 7000 K MCW-LEDs, this new approach can produce a huge meaningful change in lumen output and the angular color distribution of MCW-LEDs. We also study the interaction between the concentration and size of the LaTb particles with output flux, color uniformity, CRI, and CQS. The obtained results demonstrate that the higher lumen output, the higher color uniformity enhancement could be attained by adding the LaTb particles with a size range around 6-8 mu m and the concentration around 1.5 % in phosphor layer. Meanwhile, the decrease of the color rendering value (CRI) and the Color Quality Scale (CQS) tend to be stable and insignificant. In other words, the obtained results provide a prospective method which plays an important role in the development of MCW-LED manufacturing technology.
Czech name
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Czech description
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Classification
Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
20203 - Telecommunications
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Advances in Electrical and Electronic Engineering
ISSN
1336-1376
e-ISSN
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Volume of the periodical
15
Issue of the periodical within the volume
5
Country of publishing house
CZ - CZECH REPUBLIC
Number of pages
7
Pages from-to
890-896
UT code for WoS article
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EID of the result in the Scopus database
2-s2.0-85040790343