TELKOMNIKA Telecommunication Computing Electronics and Control
Study of Ba2Li2Si2O7:Eu2+ phosphor for enhancing the luminous flux of white LEDs

Dublin Core

Title

TELKOMNIKA Telecommunication Computing Electronics and Control
Study of Ba2Li2Si2O7:Eu2+ phosphor for enhancing the luminous flux of white LEDs

Subject

Ba2Li2Si2O7:Eu2+
Color homogeneity
Luminous flux
Monte Carlo theory
WLEDs

Description

The best spectrum characteristics and photometric productivities of white
light emitting diode (WLED) device possessing light emitting diodes (LEDs)
in red rather than phosphor pc/R-WLEDs with the hue fidelity index
(Rf) > 97 for correlated color temperatures (CCTs) between 2700 K and
6500 K were attained using the illumination effectiveness (LE) model.
We demonstrate four practical pc/R-WLEDs that have indices of Rf and LE
of 96–97 and 120–124 lm/W, respectively, under CCT values measured at
2969 K, 4468 K, 5682 K, as well as 6558 K. These LED packages use blue
and red LEDs, also phosphors in green as well as yellow, with respective
wavelengths of 448 nm, 650 nm, 507 nm, and 586 nm. In the comparison
between phosphor-transformed WLED devices (with phosphor conversion)
and quantum-dot WLED devices (QD-WLEDs), pc/R-WLEDs make an
outstanding performance in competitiveness for high hue generation,
particularly under small CCT values, and could eventually replace current
pc-WLEDs.

Creator

Ha Thanh Tung, Huu Phuc Dang

Source

http://telkomnika.uad.ac.id

Date

Jan 10, 2023

Contributor

peri irawan

Format

pdf

Language

english

Type

text

Files

Collection

Tags

,Repository, Repository Horizon University Indonesia, Repository Universitas Horizon Indonesia, Horizon.ac.id, Horizon University Indonesia, Universitas Horizon Indonesia, HorizonU, Repo Horizon , ,Repository, Repository Horizon University Indonesia, Repository Universitas Horizon Indonesia, Horizon.ac.id, Horizon University Indonesia, Universitas Horizon Indonesia, HorizonU, Repo Horizon , ,Repository, Repository Horizon University Indonesia, Repository Universitas Horizon Indonesia, Horizon.ac.id, Horizon University Indonesia, Universitas Horizon Indonesia, HorizonU, Repo Horizon , ,Repository, Repository Horizon University Indonesia, Repository Universitas Horizon Indonesia, Horizon.ac.id, Horizon University Indonesia, Universitas Horizon Indonesia, HorizonU, Repo Horizon ,

Citation

Ha Thanh Tung, Huu Phuc Dang, “TELKOMNIKA Telecommunication Computing Electronics and Control
Study of Ba2Li2Si2O7:Eu2+ phosphor for enhancing the luminous flux of white LEDs,” Repository Horizon University Indonesia, accessed March 14, 2025, https://repository.horizon.ac.id/items/show/4554.