GB/T 14634.2-2010 English PDF

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GB/T 14634.2-2010: Test methods of rare earth three-band phosphors for fluorescent lamps -- Part 2: Determination of emission dominant peak and chromaticity
Status: Valid

GB/T 14634.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14634.2-2010	139	Add to Cart	3 days	Test methods of rare earth three-band phosphors for fluorescent lamps -- Part 2: Determination of emission dominant peak and chromaticity	Valid
GB/T 14634.2-2002	479	Add to Cart	4 days	Test methods of rare earth three-band phosphors for fluorescent lamps -- Determination of emission spectrum and chromaticity	Obsolete
GB/T 14634.2-1993	199	Add to Cart	2 days	Rare-earth phosphors with red, green, blue luminescencefor fluorescent lamp--Measuring method of chromaticity coordinates	Obsolete

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Basic data

Standard ID: GB/T 14634.2-2010 (GB/T14634.2-2010)
Description (Translated English): Test methods of rare earth three-band phosphors for fluorescent lamps -- Part 2: Determination of emission dominant peak and chromaticity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 6,610
Date of Issue: 2010-08-09
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): GB/T 14634.2-2002
Quoted Standard: GB/T 5702; CIE 15-2004; CIE 1931; CIE 1976
Regulation (derived from): National Standard Approval Announcement 2010 No.3 (Total No.158)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the method for measuring light emission peak and color performance trichromatic phosphor. This section applies to light emission peak trichromatic phosphor, chromaticity coordinates, colorimetric determination of CRI and other performance parameters.

GB/T 14634.2-2010: Test methods of rare earth three-band phosphors for fluorescent lamps -- Part 2: Determination of emission dominant peak and chromaticity

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test methods of rare earth three-band phosphors for fluorescent lamps Part 2. Determination of emission dominantpeak and chromaticity ICS 77.120.99 H14 National Standards of People's Republic of China Replacing GB/T 14634.2-2002 Test methods of rare earth trichromatic phosphor lamps Part 2. Determination of emission peak performance and chroma Part 2. Determinationofemissiondominantpeakandchromaticity Issued on. 2010-08-09 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 14634 "light rare earth trichromatic phosphors Test Method" is divided into seven sections. --- Part 1. Determination of relative brightness; --- Part 2. Determination of emission peak and color performance; --- Part 3. Determination of thermal stability; --- Part 4. Electric sensing particle size distribution measurement; --- Part 5. Determination of density; --- Part 6. Determination of specific surface area; --- Part 7. Determination of thermal quenching. This is Part 2. This part is GB/T 14634.2-2002 "light rare earth trichromatic phosphors Test Method for Determination of emission spectra and colorimetric properties." Amendments. This section compared with the GB/T 14634.2-2002, the main changes are as follows. --- Range changed to "This section applies to light emission peak trichromatic phosphors, chromaticity coordinates, color rendering index, chromaticity of Capable of measuring "parameter; --- Normative references added CIE15 colorimetry, CIE1931 standard colorimetric observer, CIE1976L * u * v * color space Room and u ', v' uniform chromaticity scale diagram; --- Adjust some analysis condition; --- Increasing the precision of the terms; --- Standard text made editorial changes. Appendix A of this section is an informative annex. This part of the National Standardization Technical Committee rare and centralized. This section is responsible for drafting units. Jiangmen Branch Hang Industrial Co., Ltd.. Participated in the drafting of this section. Shanghai Yuelong New Material Co. Ltd., Hangzhou distance Photoelectric Information Co., Ltd., Hangzhou Daming fluorescent material Ltd., Xiamen Topstar New Materials Co., Ltd., Institute of Rare Earth New Materials Co., Ltd., Shaanxi Rainbow fluorescent materials company. The main drafters of this section. Luger mountain, Huang Rui sweet. The drafters of some of the participants. Hui-new, aryl Min Sheng, He Haiyan, Daisy Ling, He Tao, Wang Wu Po. This part of the standard replaces the previous editions are. --- GB/T 14634.2-1993, GB/T 14634.2-2002. Test methods of rare earth trichromatic phosphor lamps Part 2. Determination of emission peak performance and chroma

1 Scope

GB/T 14634 This part provides light emission measuring method and chrominance peak performance trichromatic phosphors. This section applies to light emission peak trichromatic phosphor was measured chromaticity coordinates, color rendering index, chromaticity performance parameters.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 5702 light color evaluation method CIE15-2004 colorimetry CIE1931 standard colorimetric observer CIE1976 L * u * v * color space and u ', v' uniform chromaticity scale diagram

3 PRINCIPLE OF THE METHOD

Sample 253.7nm UV excitation emit visible light, the spectral radiation tester spectroscopic and photoelectric conversion, the monochromatic letter No. converted into electrical signals, and then by standard light correction to obtain an electrical signal corresponding to the light intensity value; at a certain wavelength interval measured the entire visible spectrum, The sample obtained in the entire visible light emission relative spectral power distribution, and then calculate various performance parameters chroma CIE15-2004.

4 Instrument

4.1 Measurement System devices 4.1.1 Spectral radiation tester, the tester must meet the following requirements indicators. 4.1.1.1 Wavelength uncertainty. the standard deviation is less than 0.5nm; 4.1.1.2 Wavelength Reproducibility. standard deviation of not more than 0.2nm; 4.1.1.3 Measurement standard lamp. Press CIE1976 chromaticity coordinates u ', v', standard reproducibility better than 0.0003, the stability of a standard A light source itself u ', v' than 0.0001; 4.1.1.4 Measurement phosphor sample. Press CIE1976 chromaticity coordinates u ', v', the standard deviation is less than 0.0005 (three times or more). 4.1.2 excitation test conditions. excitation (irradiation) light and the sample (or diffuse white) surface normal direction 45 °, to accept the direction perpendicular to the test Like surface (45/0); or excitation light perpendicular to the sample surface, and accept the direction normal to the sample surface 45 ° (0/45). 4.1.3 Diffuse whiteboard requirements. measurement department calibrated repression AR BaSO4. 4.2 excitation member 253.7nm ultraviolet low pressure mercury increase with the filter, filter peak transmission ratio should be greater than 10%, 300nm ~ 800nm \u200b\u200bthrough the Shoot ratio not greater than 0.01%, 253.7nm radiation intensity stability better than 0.2%/10min, otherwise, should be added to compensate. 4.3 correction means 4.3.1 wavelength calibration lamp. wavelength 404.66nm, 435.88nm, low pressure mercury 546.07nm characteristic lines, in addition there should be greater than 600nm spectral lines. The wavelength spectrum 656.10nm deuterium or wavelength of He-Ne laser 632.80nm or mercury-argon lamp 600nm ~ 800nm \u200b\u200bbetween the lines and the like. ......

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