GDL

Journal from gdlhub / 2019-07-26 16:37:18
Oleh : Van-Duc Phan, Minh Tran, Le Anh Vu, Hoang-Nam Nguyen, Tran Thanh Trang, Telkomnika
Dibuat : 2019-07-25, dengan 1 file

Keyword : CQS, CRI, IPW-LEDs, LO, red phosphor
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/11391
Sumber pengambilan dokumen : WEB

In this study, we investigate the effect of concentration of the red Y2O3:Eu3+ phosphor on the Color Rendering Index (CRI), Color Quality Scale (CQS) and Lumen Output (LO) of the 7000K in-cup packaging white LEDs (IPW-LEDs). The physical model of the 7000K IPW-LEDs is conducted by Light Tools software. By varying the concentration of the red phosphor from 0% to 0.36%, we use the Light Tools software to investigate the CRI, CQS, and LO of the 7000K IPW-LEDs. From the research results, it can be observed that the CRI and CQS can be increased to 85 and 71, respectively. However, the LO has a decrease in the increasing trend of the red phosphor concentration. This paper provides the new recommendation for the manufacturing of the IPW-LEDs.

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