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- W3131855037 abstract "Phosphor‐converted white light emitting diodes (pc‐LEDs) are being used as a source of artificial lighting. One of the main goals of artificial lighting is to make objects/images look natural — as they look under the sunlight. The ability of a light source to accurately render the natural color of an object is gauged by the color rendering index (CRI) and a conventional pc‐LED has an average CRI—CRI R a ~ 80 which is not suitable for artificial lighting. In order to fabricate the pc‐LEDs for artificial lighting applications, all the CRI points (R 1 — R 15 ) should be above 95. Herein a novel design strategy of an LED package (PKG) is implemented to achieve CRI points ≥ 95 through introducing two blue LEDs and a UV LED in combination with green and red phosphors. The silicone encapsulant, the ratio of the current through the LEDs, and the phosphor ratio were optimized for achieving high efficiency (~ 100 lm/W) as well as all the CRI points above 95. Our re‐designed LED PKG with an efficiency of around 100 lm/W would find applications in stadium lighting as well as for ultra‐high definition television production where high CRI points are required for the light source." @default.
- W3131855037 created "2021-03-01" @default.
- W3131855037 creator A5048420811 @default.
- W3131855037 date "2021-02-01" @default.
- W3131855037 modified "2023-09-24" @default.
- W3131855037 title "51.4: Design of highly efficient white LED for the maximal CRI" @default.
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- W3131855037 doi "https://doi.org/10.1002/sdtp.14489" @default.
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