ASTM-F2771 Historical Revision Information
Standard Test Method for Determining the Luminance Curve of an Electroluminescent Lamp at Ambient Conditions

ASTM-F2771 - 2009 EDITION - SUPERSEDED
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Standard Test Method for Determining the Luminance Curve of an Electroluminescent Lamp at Ambient Conditions
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Scope

1.1 This test method establishes the procedures for determining the visible performance change, which is defined by luminance, color and cosmetic appearance of an electroluminescent lamp during operation over an extended time.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

To provide a standardized test method that can be used for a valid comparison of luminance time curves, color changes and cosmetic changes between lamps of various designs, fabrication techniques, and sources.

Keywords

aging; electroluminescent; luminance; time to half luminance; ICS Number Code 17.180.20 (Colours and measurement of light)

To find similar documents by ASTM Volume:

10.04 (Electronics; Declarable Substances in Materials; 3D Imaging Systems)

To find similar documents by classification:

17.180.20 (Colours and measurement of light)

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Document Number

ASTM-F2771-09

Revision Level

2009 EDITION

Status

Superseded

Modification Type

New

Publication Date

May 1, 2009

Document Type

Test Method

Page Count

3 pages

Committee Number

F01.18