IESNA LM MEASURING LUMEN MAINTENANCE OF LED LIGHT SOURCES MEASUREMENT AND TEST REPORT. For

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1 IESNA LM MEASURING LUMEN MAINTENANCE OF LED LIGHT SOURCES MEASUREMENT AND TEST REPORT For Hongli Zhihui Group Co.,Ltd. No.1, Xianke Yi Road, Huadong Town, Huadu District, Guangzhou, China Report Type: 9000 Hours Test Report Product Type: LED Package Test Engineer: Daniel Duan Report Number: RSZ M2 Test Date: to Report Date: Reviewed By: Revised Note: Prepared By: Jeanne Han /EE Manager The previous report RSZ M1 is replaced by this report on Bay Area Compliance Laboratories Corp. (Dongguan). No.69,Pulongcun,Puxinhu Industrial Area, Tangxia, Dongguan, Guangdong, China. Tel: Fax: Note: The test data was only valid for the test sample(s). This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0.

2 TABLE OF CONTENTS 1 - GENERAL INFORMATION DESCRIPTION OF LED LIGHT SOURCES STANDARDS USED: TEST FACILITY DESCRIPTION OF AUXILIARY EQUIPMENT OPERATING CYCLE AMBIENT CONDITIONS PHOTOMETRY MEASUREMENT UNCERTAINTY SAMPLE SET SUMMARY OF TEST RESULT TEST DATA DATA SET 1, 55 C, 60MA (LUMEN MAINTENANCE) DATA SET 1, 55 C, 60MA (CHROMATICITY SHIFT) DATA SET 2, 85 C, 60MA (LUMEN MAINTENANCE) DATA SET 2, 85 C, 60MA (CHROMATICITY SHIFT) DATA SET 3, 105 C, 60MA (LUMEN MAINTENANCE) DATA SET 3, 105 C, 60MA (CHROMATICITY SHIFT) APPENDIX A EUT PHOTO A.1 MECHANICAL DIMENSIONS (TA = 25 C) A.2 EUT PHOTO Report No. RSZ M2 Page 2 of 16 IESNA LM Test Report

3 1 - GENERAL INFORMATION 1.1 Description of LED Light Sources Devices tested Part Number: HL-A-2835HW-S1-08-HR3 Part Type: LED Package Nominal CCT: 2700K Power: 0.2W Current Density per LED die: 372mA/mm 2 Power Density per LED die: 1.24W/mm 2 CRI: 80 Die Spacing: N/A Family products covered by this report: According to ENERGY STAR Requirements for the Use of LM-80 Data, the following products can be covered by this report base on the information and declaration provided by manufacturer. The information of these models shows that the covered products meet all section 4 requirements of ENERGY STAR Requirements for the Use of LM-80 Data (September 28, 2017) This report covers the following models: Differences Items Testing Products Multiple Models Details HL-A-2835HW-S1-08-HR3(R9) HL-A-PU2835HW-S1-08-HR3 HL-A-PU2835HW-S1-08-HR3(R9) HL-A-2835HW-S1-08-PCT-HR3 HL-A-2835HW-S1-08-PCT-HR3(R9) Model Name HL-A- 2835HW- S1-08- HR3 HL-A-PU2835HW-S1-08-PCT-HR3 HL-A-PU2835HW-S1-08-PCT-HR3(R9) HL-AS-2835HW-S1-08-PCT-HR3 Only different Model name for different market HL-AS-2835HW-S1-08-PCT-HR3(R9) HL-AS-PU2835HW-S1-08-PCT-HR3 HL-AS-PU2835HW-S1-08-PCT- HR3(R9) HL-A-2835HW-S1-08L-HR3 HL-A-2835HW-S1-08HL-HR3 Report No. RSZ M2 Page 3 of 16 IESNA LM Test Report

4 Differences Items Testing Products Multiple Models Details HL-A-2835HW-S1-08L-HR3(R9) HL-A-2835HW-S1-08HL-HR3(R9) HL-A-PU2835HW-S1-08L-HR3 HL-A-PU2835HW-S1-08HL-HR3 HL-A-PU2835HW-S1-08L-HR3(R9) HL-A-PU2835HW-S1-08HL-HR3(R9) HL-A-2835HW-S1-08L-PCT-HR3 HL-A-2835HW-S1-08L-PCT-HR3(R9) HL-A-PU2835HW-S1-08L-PCT-HR3 HL-A-PU2835HW-S1-08L-PCT- HR3(R9) HL-AS-2835HW-S1-08L-PCT-HR3 HL-AS-2835HW-S1-08L-PCT-HR3(R9) HL-AS-PU2835HW-S1-08L-PCT-HR3 HL-AS-PU2835HW-S1-08L-PCT- HR3(R9) SL-*B2835FAB-11CA* SL-*B2835FAA-11CA* SL-*B2835FTA-11CA* Only different Model name for different market SL-*B2835FAB-11CA*H SL-*B2835FAA-11CA*H SL-*B2835FTA-11CA*H The first *is a letter I, N, W which stand for CCT: I means Below 3700K; N means K; W means More than 4700K SL-*B2835FAB-11CA*/* SL-*B2835FAA-11CA*/* SL-*B2835FTA-11CA*/* The second * is a different product solution (Color coordinate and applications and special solution etc ). SL-*B2835FAB-11CA*-* SL-*B2835FAA-11CA*-* The third * is different version numbers, Use Or ABC.... expression. SL-*B2835FTA-11CA*-* Report No. RSZ M2 Page 4 of 16 IESNA LM Test Report

5 Differences Items Testing Products Multiple Models Details SL-*B2835FAB-11CA*H/* SL-*B2835FAA-11CA*H/* SL-*B2835FTA-11CA*H/* SL-**B2835FTA-11CA***C-APH*** Only different Model name for different market. First **-designates nominal CCT (22=2200K,27=2700K,30=3000K, 35=3500K,40=4000K,50=5000K, 57=5700K,65=6500K) SL-**B2835FAA-11CA***C-APH*** Middle *** -designates nominal Different solution (Color coordinate and applications and special solution etc ) SL-**B2835FAB-11CA***C-APH*** Last *** -designates version numbers, Use expression. 1.2 Standards Used: IESNA LM-80-08: IES Approved Method for Measuring Lumen Maintenance of LED Light Sources. CIE 127:2007: Measurement of LEDs (This standard was not accredited by IAS) ENERGY STAR Requirements for the Use of LM-80 Data (This standard was not accredited by IAS) 1.3 Test Facility The testing facility used by Bay Area Compliance Laboratories Corp. (Dongguan). is located at No.69,Pulongcun,Puxinhu Industrial Area, Tangxia, Dongguan, Guangdong, China. 1.4 Description of Auxiliary Equipment Device Manufacture Model No Serial No Calibration date Calibration due date Integral Sphere EVERFINE Diameter 0.3m Programmable Test Power for LEDs High accuracy array spectroradiometer EVERFINE LED300E EVERFINE HAAS T Report No. RSZ M2 Page 5 of 16 IESNA LM Test Report

6 Device Manufacture Model No Serial No Calibration date Calibration due date Standard Light Source Precision digital stabilized DC power supply Multilayer aging machine Digital CC&CV DC Power Supply Digital CC&CV DC Power Supply Digital CC&CV DC Power Supply EVERFINE D EVERFINE WY605 G115987CJ BACL B EVERFINE WY EVERFINE WY EVERFINE WY Operating Cycle Samples are driven with a constant direct current (DC) 1.6 Ambient Conditions For lumen maintenance test, samples were operated in thermal chambers with minimal ambient airflow. For long term reliability test, the case temperature was controlled by mounting several thermocouples on a sample reliability stress board at the designated thermal measurement point, as shown in APPENDIX. The ambient temperature T A was measured by several thermocouples at a distance of 5 mm above the reliability test board. The relative humidity within chamber was less than 65%. For photometry measurement, temperature was set to 25 C ± 2 C, RH <65%. 1.7 Photometry Measurement Uncertainty The uncertainty of the light output measurements is U=1.59% (K=2), at the 95% confidence level. The uncertainty of the correlated color temperature measurements is U=21K (K=2), at the 95% confidence level. This calibration results traceable to the NATIONAL INSTITUTE OF METROLOGY (NIM). Report No. RSZ M2 Page 6 of 16 IESNA LM Test Report

7 1.8 Sample Set Sampling Method: LED samples for IESNA LM-80 testing consist of units built from a minimum of three manufacturing lots with each manufacturing lot built from different wafer lots built on non-consecutive days. These manufacturing lots are picked to represent a wide parametric distribution. Sample Size: Total 75Pcs; Each Ts test condition 25Pcs The samples tested at TS 55 C, TS 85 C and TS 105 C were received at and tested during to The samples were numbered from 1to 25, 26 to 50 and 51 to 75 Data Set 1: 55 C, 60mA Part Number: Number of Units: 25 Actual Case Temperature(T S): Actual Ambient Temperature(T A): Life Test Drive Current: Measurement Current: Data Set 2: 85 C,60mA Part Number: Number of Units: 25 Actual Case Temperature(T S): Actual Ambient Temperature(T A): Life Test Drive Current: Measurement Current: Data Set 3: 105 C, 60mA Part Number: Number of Units: 25 Actual Case Temperature(T S): Actual Ambient Temperature(T A): Life Test Drive Current: Measurement Current: HL-A-2835HW-S1-08-HR3 T S =54.1 C T A =51.9 C I F = 60mA I F = 60mA HL-A-2835HW-S1-08-HR3 T S =84.3 C T A =82.7 C I F =60mA I F = 60mA HL-A-2835HW-S1-08-HR3 T S =104.2 C T A =103.4 C I F = 60mA I F = 60mA Report No. RSZ M2 Page 7 of 16 IESNA LM Test Report

8 2 - SUMMARY OF TEST RESULT Data Set: Data Set 1, 55 C, 60mA Number of Units: 25 Failures Observed: 0 Test Interval and Test Duration: Average. Lumen Maintenance at 6000 hours: 97.47% Average Chromaticity Shift at 6000 hours ( u v ): Average. Lumen Maintenance at 9000 hours: 95.72% Average Chromaticity Shift at 9000 hours ( u v ): h,1000h,2000h,3000h,4000h,5000h,6000h, 7000h,8000h,9000h Reported TM-21 L 70 Lifetime: >54,000 hours Data Set: Data Set 2, 85 C, 60mA Number of Units: 25 Failures Observed: 0 Test Interval and Test Duration: Average. Lumen Maintenance at 6000 hours: 96.90% Average Chromaticity Shift at 6000 hours( u v ): Average. Lumen Maintenance at 9000 hours: 95.06% Average Chromaticity Shift at 9000 hours ( u v ): h,1000h,2000h,3000h,4000h,5000h,6000h, 7000h,8000h,9000h Reported TM-21 L 70 Lifetime: >54,000 hours Data Set: Data Set 3, 105 C, 60mA Number of Units: 25 Failures Observed: 0 Test Interval and Test Duration: Average. Lumen Maintenance at 6000 hours: 96.39% Average Chromaticity Shift at 6000 hours( u v ): Average. Lumen Maintenance at 9000 hours: 94.32% Average Chromaticity Shift at 9000 hours ( u v ): h,1000h,2000h,3000h,4000h,5000h,6000h, 7000h,8000h,9000h Reported TM-21 L 70 Lifetime: 53,000 hours Report No. RSZ M2 Page 8 of 16 IESNA LM Test Report

9 3 - Test Data 3.1 Data Set 1, 55 C, 60mA (Lumen Maintenance) No. VF(V) Φ(lm) Lumen Maintenance (%) 0hr(Initial) 1000hrs 2000hrs 3000hrs 4000hrs 5000hrs 6000hrs 7000h 8000h 9000h Ave Med st dev Min Max TM-21 Projection: Test Duration: 9000 hours Failures Observed: 0 α: 5.361E-06 β: Reported L70: >54,000hours Report No. RSZ M2 Page 9 of 16 IESNA LM Test Report

10 % Luminous Flux Company: Hongli Zhihui Group Co.,Ltd. 3.2 Data Set 1, 55 C, 60mA (Chromaticity Shift) No. u v CCT(K) Chromaticity Shift ( u v ) 0hr(Initial) 1000hrs 2000hrs 3000hrs 4000hrs 5000hrs 6000hrs 7000h 8000h 9000h Ave Med st dev Min Max % 105% 100% 95% 90% 85% 80% 75% 70% Flux u'v' Time (hours) Chromaticity Shift (Du'v') Report No. RSZ M2 Page 10 of 16 IESNA LM Test Report

11 3.3 Data Set 2, 85 C, 60mA (Lumen Maintenance) No. VF(V) Φ(lm) Lumen Maintenance (%) 0hr(Initial) 1000hrs 2000hrs 3000hrs 4000hrs 5000hrs 6000hrs 7000h 8000h 9000h Ave Med st dev Min Max TM-21 Projection: Test Duration: 9000 hours Failures Observed: 0 α: 5.756E-06 β: Reported L70: >54,000hours Report No. RSZ M2 Page 11 of 16 IESNA LM Test Report

12 % Luminous Flux Company: Hongli Zhihui Group Co.,Ltd. 3.4 Data Set 2, 85 C, 60mA (Chromaticity Shift) No. u v CCT(K) Chromaticity Shift ( u v ) 0hr(Initial) 1000hrs 2000hrs 3000hrs 4000hrs 5000hrs 6000hrs 7000h 8000h 9000h Ave Med st dev Min Max % 105% 100% 95% 90% 85% 80% 75% 70% Flux u'v' Time (hours) Chromaticity Shift (Du'v') Report No. RSZ M2 Page 12 of 16 IESNA LM Test Report

13 3.5 Data Set 3, 105 C, 60mA (Lumen Maintenance) VF(V) Φ(lm) Lumen Maintenance (%) No. 0hr(Initial) 1000hrs 2000hrs 3000hrs 4000hrs 5000hrs 6000hrs 7000h 8000h 9000h Ave Med st dev Min Max TM-21 Projection: Test Duration: 9000 hours Failures Observed: 0 α: 6.740E-06 β: Reported L70: 53,000 hours Report No. RSZ M2 Page 13 of 16 IESNA LM Test Report

14 % Luminous Flux Company: Hongli Zhihui Group Co.,Ltd. 3.6 Data Set 3, 105 C, 60mA (Chromaticity Shift) No. u v CCT(K) Chromaticity Shift ( u v ) 0hr(Initial) 1000hrs 2000hrs 3000hrs 4000hrs 5000hrs 6000hrs 7000h 8000h 9000h Ave Med st dev Min Max % 105% 100% 95% 90% 85% 80% 75% 70% Flux u'v' Time (hours) Chromaticity Shift (Du'v') Report No. RSZ M2 Page 14 of 16 IESNA LM Test Report

15 Appendix A EUT PHOTO A.1 Mechanical Dimensions (Ta = 25 C) TMP LED All dimensions are in millimeter A.2 EUT Photo Report No. RSZ M2 Page 15 of 16 IESNA LM Test Report

16 Report Revision Report Number Report Date Contents RSZ Original report. RSZ M Update the company name of Applicant. Update the Description of LED Light Sources in page 3. Add the Family Declaration in page 3 to page 5. RSZ M Update the Family Cover Model in page 3 to page 5. ***********END OF REPORT*********** Report No. RSZ M2 Page 16 of 16 IESNA LM Test Report