JEDEC JESD51-53 PDF

TERMS, DEFINITIONS AND UNITS GLOSSARY FOR LED THERMAL TESTING

JEDEC JESD51-53 – TERMS, DEFINITIONS AND UNITS GLOSSARY FOR LED THERMAL TESTING

This document provides a unified collection of the commonly used terms and definitions in the area ofLED thermal measurements. The terms and definitions provided herein extend beyond those used in theJESD51 family of documents, especially in JESD51-13, in order to include other often used terms anddefinitions in the area of light output measurements of LEDs. Definitions, symbols and notationsregarding light output measurements used here are consistent with those defined in JESD77C.01 and withthose defined by CIE (International Commission on Illumination), especially in the International LightingVocubulary, CIE S 017/E:2011 ILV and in the CIE 127-2007 document as well as in some other relevantstandards of other standardization bodies from the solid-state lighting industry, e.g., ANSI/IESNA RP 16-05.