Version: B LM-80-08 LUMEN MAINTENANCE TEST REPORT Company :UNISTARS Corporation Ltd. Sample Name :VENUS 3535 Sample Received :May 29 2012 Sample Tested :Feb 14 2013 TESTING LABORATORY IS ACCREDITED BY: IEC/IECQ 17025 certificate of independent test laboratory approval Certificate No.:T1091 ISO 17025 accredited in respect of laboratory is approved by TAF Certificate No.:L0835-090819 ISO 9001 certificate is approved by TUV CERT certification body of TUV NORD Cert GmbH EPA-Recognized Laboratories No. : 1112442 WE HEREBY CERTIFY THAT: The test(s) shown in the attachment were conducted according to the indicating procedures. We assume full responsibility for the accuracy and completeness of these tests and vouch for the qualifications of all personnel performing them. Name Signature Date Test Engineer Max Chen 2013/3/4 Test Manager Allan Tang 2013/3/4 Note: 1. This report will be invalid if reproduced in whole or in part. 2. This report refers only to the specimen(s) submitted to test, and is invalid if used separately. 3. This report is ONLY valid with the examination seal and signature of this institute. 4. The tested specimen(s) will only be preserved for thirty days from the date issued, if not collected by the applicant.
Version: B IST LM-80-08 CERTIFICATION 1. EPA Certificate Laboratory (ENERGY STAR Program) ENERGY STAR website: http://www.energystar.gov/index.cfm?fuseaction=recognized_bodies_list.show_rcb_search_ results New Search Company Name: Integrated Service Technology 2. LED Lighting Facts Approved Testing Laboratory Lighting Facts website: http://www.lightingfacts.com/approvedlabs 3. EPA Recognized Lab. Accreditation Body EPA website: http://www.energystar.gov/index.cfm?c=partners.epa_recognized_accreditation_bodies 4. ISO-17025 Accredited Lab. TAF (EPA approved Accredited Body) website: http://hr.taftw.org.tw/service/labinfoe.aspx?code=0835
Reliability & Failure Analysis Engineering Group Page 1 of 18 TABLE OF CONTENTS 1. GENERAL INFORMATION DESCRIPTION OF TEST UNIT... 2 2. SUMMARY OF LM-80-08 TEST 2.1 SUMMARY TEST RESULT OF LM-80-08... 2 2.2 CHART OF LUMEN MAINTENANCE AND TM-21 PROJECTION... 3 2.3 CHART OF CHROMATICITY SHIFT... 3 3. LUMEN MAINTENANCE TEST 3.1 TEST EQUIPMENT... 4 3.2 LABORATORY AMBIENCE CONDITION... 4 3.3 REFERENCE DOCUMENT... 4 3.4 TEST CONDITION... 4 3.5 TEMPERATURE CONTROL METHOD... 5 3.6 PHOTOGRAPH OF DEVICE... 5 3.7 TEMPERATURE MEASUREMENT POINT... 6 4. CONTENTS OF TEST 4.1 45 TEST DATA... 7 4.3 55 TEST DATA... 11 4.4 85 TEST DATA... 15
Reliability & Failure Analysis Engineering Group Page 2 of 18 1. GENERAL INFORMATION DESCRIPTION OF TEST UNIT Manufacturer : UNISTARS Corporation Ltd. Model Name : VENUS 3535 Nominal CCT : 3000 K Device Type : LED Package Sample Quantity : See Summary Test Report 2. SUMMARY OF LM-80-08 TEST 2.1 SUMMARY TEST RESULT OF LM-80-08 Date(s) Of Performance Of The Test : May,29,2012 ~ Feb,14,2013 LM-80 Nominal Case Temperature (T s ) LM-80-08 Specified Temperature Customer Selected 55 85 45 Test Sample Size (ea) 20 20 20 Test Current (I F ) 350mA 350mA 350 ma Actual Case Temperature [T S ] T S Nominal T S -2 56.2 85.6 45.3 Actual Ambient Temperature [T A ] T A Nominal T S -5 54.2 83.5 44.4 Actual Relative Humidity 60 % 60 % 60 % Avg. CCT at 6,000 hours [K] 3044.79 3038.19 3039.94 Avg. Chromaticity Shift at 6,000 hours 0.0007 0.0014 0.0005 Avg. Lumen Maintenance at 6,000 hours 99.95 % 96.14 % 100.58 %
Chromaticity ΔCIE u' v 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 11,000 12,000 13,000 14,000 15,000 16,000 17,000 18,000 19,000 20,000 21,000 22,000 23,000 24,000 25,000 26,000 27,000 28,000 29,000 30,000 31,000 32,000 33,000 34,000 35,000 36,000 Lumen Maintenance[%] Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 3 of 18 2.2 CHART OF LUMEN MAINTENANCE AND TM-21 PROJECTION 105% T s / TMP LED Lumen Maintenance Projection 100% 95% 90% 85% Projection( ) 85 Projection( ) 55 Projection( ) 45 Test( ) 85 Test( ) 55 Test( ) 45 80% 75% 70% 2.3 CHART OF CHROMATICITY SHIFT 0.0070 T s vs. Chromaticity ΔCIE u' v 0.0060 0.0050 0.0040 0.0030 0.0020 Ts= 55 Ts= 85 Ts= 45 0.0010 0.0000 0 1000 2000 3000 4000 5000 6000
Reliability & Failure Analysis Engineering Group Page 4 of 18 3. LUMEN MAINTENANCE TEST 3.1 TEST EQUIPMENT Test Equipment Model Name Serial Number Calibration Trace Code LM-80 Test System Vektrex Spike Safe 200 1080030002 N/A LM-80 Chamber Integrating Sphere Vektrex ITCS Labsphere CY-03935-000 CSTM-LMS400 406 421 404 A101-06-415-03 CLTS0359-101-421 A101-06-415-02 0329116790 N/A Power Supply KEITHLEY 2420 1014862 A101-05-480-01 3.2 LABORATORY AMBIENCE CONDITION Item Temperature Relative Humidity Laboratory Chamber Area 25 ± 5 C 55 %RH ± 10 % Laboratory Photometry Area 25 ± 2 C 55 %RH ± 10 % 3.3 REFERENCE DOCUMENT This test refer to IES-LM-80-08 Test Method 3.4 TEST CONDITION Test Temperature : 45 / 55 / 85 Actual Ta/Ts Temperature Driver Current Relative Humidity Air Flow Lumen Monitoring Interval Photometric measurement uncertainty : See Individual Test Report : Constant DC 350mA : 60%RH : 1 m/sec : 0/1000/2000/3000/4000/5000/6000 hours. : Calculated to k = 2 coverage (i.e. 95% coverage) Item Uncertainty Luminous Flux (FV) 0.681% Correlated Color Temperature (CCT) 0.156%
Reliability & Failure Analysis Engineering Group Page 5 of 18 3.5 TEMPERATURE CONTROL METHOD 3.6 PHOTOGRAPH OF DEVICE Device Outline Drawing
Reliability & Failure Analysis Engineering Group Page 6 of 18 3.7 TEMPERATURE MEASUREMENT POINT Ta (Measured Point Of T A =Ambient Temperature) Ta is the temperature of the air at a distance of 5 mm above the reliability test board. (Measured Point Of T S =Case Temperature)
Chromaticity CIE Δu' v' Lumen Maintenmance Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 7 of 18 4. CONTENTS OF TEST 4.1 45 LUMEN MAINTENANCE AND CHROMATICITY SHIFT Actual Case Temperature [T S ] 45.3 Actual Ambient Temperature [T A ] 44.4 Test Current (I F ) : 350mA Relative Humidity : 60 %RH Air Flow : 1 m/sec 105.00% T s vs. Lumen Maintenance 100.00% 95.00% 90.00% 85.00% Nominal Ts= 45 80.00% 75.00% 70.00% 0.0070 0 1000 2000 3000 4000 5000 6000 T s vs. Chromaticity CIE Δu' v' 0.0060 0.0050 0.0040 0.0030 Nominal Ts= 45 0.0020 0.0010 0.0000 0 1000 2000 3000 4000 5000 6000
Reliability & Failure Analysis Engineering Group Page 8 of 18 45 Luminous Maintenance (%) and Forward Voltage (Vf) No. 0Hr. [Vf] 0Hr. [Lumen] 0Hr. 1,000Hrs. 2,000Hrs. 3,000Hrs. 4,000Hrs. 5,000Hrs. 6,000Hrs. 1 3.497 87.668 100.00% 100.18% 100.17% 99.78% 99.79% 99.59% 100.31% 2 3.480 88.585 100.00% 100.03% 99.90% 99.58% 99.59% 99.27% 100.00% 3 3.562 85.755 100.00% 100.37% 100.40% 100.16% 100.20% 99.81% 100.56% 4 3.492 87.734 100.00% 100.36% 100.27% 99.97% 99.98% 99.80% 100.19% 5 3.549 83.649 100.00% 100.61% 100.77% 100.48% 100.66% 100.63% 101.26% 6 3.528 85.823 100.00% 100.37% 100.53% 100.35% 100.48% 100.45% 100.89% 7 3.483 89.215 100.00% 99.94% 100.02% 99.72% 99.80% 99.78% 100.22% 8 3.609 85.919 100.00% 100.44% 100.50% 100.25% 100.35% 100.34% 100.75% 9 3.499 82.723 100.00% 100.80% 100.82% 100.63% 100.79% 100.80% 101.23% 10 3.528 83.603 100.00% 100.39% 100.50% 100.27% 100.48% 100.46% 100.94% 11 3.510 85.972 100.00% 100.20% 100.37% 100.06% 100.23% 100.24% 100.64% 12 3.558 84.409 100.00% 100.53% 100.69% 100.39% 100.42% 100.09% 100.58% 13 3.474 88.165 100.00% 100.38% 100.46% 100.08% 100.07% 99.82% 100.28% 14 3.508 83.372 100.00% 100.43% 100.53% 100.19% 100.03% 99.77% 100.10% 15 3.493 88.216 100.00% 100.59% 100.65% 100.36% 100.37% 100.39% 100.77% 16 3.543 85.630 100.00% 100.55% 100.63% 100.17% 100.12% 99.79% 100.03% 17 3.478 89.414 100.00% 100.03% 100.04% 99.59% 99.75% 99.75% 100.26% 18 3.542 86.781 100.00% 100.47% 100.55% 100.15% 100.38% 100.40% 100.93% 19 3.504 87.647 100.00% 100.22% 100.19% 99.51% 99.77% 99.60% 100.19% 20 3.545 82.574 100.00% 100.70% 100.77% 100.24% 100.65% 100.63% 101.37% Avg. 3.519 86.143 100.00% 100.38% 100.44% 100.10% 100.19% 100.07% 100.58% Min. 3.474 82.574 100.00% 99.94% 99.90% 99.51% 99.59% 99.27% 100.00% Max. 3.609 89.414 100.00% 100.80% 100.82% 100.63% 100.79% 100.80% 101.37% Med. 3.509 85.945 100.00% 100.38% 100.50% 100.16% 100.22% 99.95% 100.57% St. Dev. 0.035 2.181 0.000 0.002 0.003 0.003 0.003 0.004 0.004
Reliability & Failure Analysis Engineering Group Page 9 of 18 45 CIEx CIEy,CCT and Chromaticity Shift (Δu v ) CIE u' v' 0Hr. 1,000Hrs. 2,000Hrs. 3,000Hrs. 4,000Hrs. 5,000Hrs. 6,000Hrs. No. CIE x CIE y CCT [K] ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' 1 0.4553 0.4005 2684.15 0.0000 0.0005 0.0005 0.0004 0.0005 0.0005 0.0004 2 0.4520 0.3966 2700.57 0.0000 0.0003 0.0003 0.0002 0.0003 0.0004 0.0004 3 0.4534 0.3976 2688.84 0.0000 0.0003 0.0004 0.0004 0.0004 0.0005 0.0005 4 0.4533 0.4007 2714.19 0.0000 0.0003 0.0003 0.0004 0.0003 0.0005 0.0006 5 0.4502 0.3959 2721.40 0.0000 0.0005 0.0003 0.0004 0.0004 0.0004 0.0005 6 0.4551 0.3957 2649.13 0.0000 0.0001 0.0004 0.0004 0.0003 0.0004 0.0006 7 0.4570 0.4005 2659.89 0.0000 0.0002 0.0003 0.0003 0.0003 0.0004 0.0005 8 0.4572 0.4001 2654.19 0.0000 0.0003 0.0003 0.0004 0.0003 0.0005 0.0005 9 0.4555 0.4006 2682.38 0.0000 0.0003 0.0004 0.0003 0.0004 0.0006 0.0006 10 0.4539 0.4003 2703.97 0.0000 0.0002 0.0003 0.0003 0.0003 0.0004 0.0004 11 0.4522 0.3963 2694.93 0.0000 0.0002 0.0004 0.0004 0.0004 0.0005 0.0005 12 0.4536 0.3995 2701.84 0.0000 0.0003 0.0003 0.0003 0.0003 0.0004 0.0005 13 0.4559 0.4038 2702.69 0.0000 0.0003 0.0005 0.0004 0.0004 0.0005 0.0005 14 0.4561 0.4003 2671.73 0.0000 0.0003 0.0004 0.0005 0.0004 0.0006 0.0007 15 0.4502 0.3947 2712.39 0.0000 0.0005 0.0004 0.0004 0.0004 0.0005 0.0006 16 0.4567 0.4006 2665.94 0.0000 0.0003 0.0004 0.0005 0.0004 0.0005 0.0007 17 0.4566 0.4021 2678.75 0.0000 0.0003 0.0005 0.0004 0.0004 0.0007 0.0007 18 0.4522 0.3992 2718.81 0.0000 0.0004 0.0003 0.0004 0.0004 0.0005 0.0005 19 0.4538 0.4010 2710.83 0.0000 0.0006 0.0003 0.0004 0.0004 0.0003 0.0005 20 0.4546 0.3976 2671.86 0.0000 0.0002 0.0002 0.0002 0.0003 0.0003 0.0004 Avg. 0.4542 0.3992 2689.42 0.0000 0.0003 0.0004 0.0004 0.0004 0.0005 0.0005 Min. 0.4502 0.3947 2649.13 0.0000 0.0001 0.0002 0.0002 0.0003 0.0003 0.0004 Max. 0.4572 0.4038 2721.40 0.0000 0.0006 0.0005 0.0005 0.0005 0.0007 0.0007 Med. 0.4543 0.4002 2691.89 0.0000 0.0003 0.0004 0.0004 0.0004 0.0005 0.0005 St. Dev. 0.0021 0.0024 22.10 0.0000 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 11,000 12,000 13,000 14,000 15,000 16,000 17,000 18,000 19,000 20,000 21,000 22,000 23,000 24,000 25,000 26,000 27,000 28,000 29,000 30,000 31,000 32,000 33,000 34,000 35,000 36,000 Lumen Maintenance[%] Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 10 of 18 45 TM-21 Projection 105% T s / TMP LED Lumen Maintenance Projection 100% 95% Projection( ) 45 Test( ) 45 90% 85% 80% 75% 70% EPA Method Slope(m) -7.253E-09 Intercept(b) 2.941E-03 α1 7.253E-09 B 1 1.003 Calculated L 70 (6k) 49,578,000 Reported L 70 (6k) >36,000
Chromaticity CIE Δu' v' Lumen Maintenmance Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 11 of 18 4.2 55 LUMEN MAINTENANCE AND CHROMATICITY SHIFT Actual Case Temperature [T S ] 56.2 Actual Ambient Temperature [T A ] 54.2 Test Current (I F ) : 350mA Relative Humidity : 60 %RH Air Flow : 1 m/sec 105.00% T s vs. Lumen Maintenance 100.00% 95.00% 90.00% 85.00% Nominal Ts= 55 80.00% 75.00% 70.00% 0.0070 0 1000 2000 3000 4000 5000 6000 T s vs. Chromaticity CIE Δu' v' 0.0060 0.0050 0.0040 0.0030 Nominal Ts= 55 0.0020 0.0010 0.0000 0 1000 2000 3000 4000 5000 6000
Reliability & Failure Analysis Engineering Group Page 12 of 18 55 Luminous Maintenance (%) and Forward Voltage (Vf) No. 0Hr. [Vf] 0Hr. [Lumen] 0Hr. 1,000Hrs. 2,000Hrs. 3,000Hrs. 4,000Hrs. 5,000Hrs. 6,000Hrs. 1 3.535 79.753 100.00% 100.77% 100.30% 99.81% 99.33% 98.61% 98.64% 2 3.519 87.029 100.00% 100.46% 100.13% 99.89% 99.93% 99.67% 100.33% 3 3.509 83.615 100.00% 100.72% 100.31% 100.20% 100.19% 99.63% 100.09% 4 3.502 83.749 100.00% 100.51% 100.20% 100.13% 99.97% 99.77% 99.59% 5 3.527 78.768 100.00% 101.57% 101.21% 100.99% 100.82% 100.33% 99.44% 6 3.517 87.842 100.00% 100.29% 99.91% 99.76% 99.71% 99.57% 99.82% 7 3.474 80.345 100.00% 101.52% 101.31% 101.06% 100.88% 100.56% 99.35% 8 3.497 78.285 100.00% 101.62% 101.42% 101.32% 101.13% 100.75% 100.06% 9 3.478 86.318 100.00% 100.61% 100.37% 100.12% 100.07% 99.99% 100.11% 10 3.483 82.885 100.00% 100.72% 100.57% 100.58% 100.71% 100.65% 100.93% 11 3.553 84.239 100.00% 100.53% 100.47% 100.43% 100.56% 100.58% 100.83% 12 3.449 81.877 100.00% 100.74% 100.29% 99.91% 99.79% 99.46% 99.21% 13 3.489 83.250 100.00% 100.59% 100.08% 99.76% 99.75% 99.52% 99.55% 14 3.525 84.890 100.00% 100.12% 99.90% 99.75% 99.78% 99.55% 99.79% 15 3.528 85.869 100.00% 100.21% 100.00% 99.97% 100.00% 99.82% 100.09% 16 3.512 78.668 100.00% 101.83% 101.74% 101.45% 101.48% 100.36% 99.92% 17 3.530 79.834 100.00% 101.70% 101.61% 101.34% 101.21% 101.08% 100.33% 18 3.516 84.622 100.00% 100.43% 100.30% 100.00% 100.04% 99.95% 100.18% 19 3.526 79.894 100.00% 100.89% 100.80% 100.30% 100.53% 100.29% 100.59% 20 3.485 82.798 100.00% 100.41% 100.02% 99.69% 99.84% 99.75% 100.12% Avg. 3.508 82.726 100.00% 100.81% 100.55% 100.32% 100.29% 99.99% 99.95% Min. 3.449 78.285 100.00% 100.12% 99.90% 99.69% 99.33% 98.61% 98.64% Max. 3.553 87.842 100.00% 101.83% 101.74% 101.45% 101.48% 101.08% 100.93% Med. 3.514 83.067 100.00% 100.66% 100.31% 100.12% 100.05% 99.88% 100.08% St. Dev. 0.025 2.935 0.000 0.005 0.006 0.006 0.006 0.006 0.006
Reliability & Failure Analysis Engineering Group Page 13 of 18 55 CIEx CIEy,CCT and Chromaticity Shift (Δu v ) CIE u' v' 0Hr. 1,000Hrs. 2,000Hrs. 3,000Hrs. 4,000Hrs. 5,000Hrs. 6,000Hrs. No. CIE x CIE y CCT [K] ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' 1 0.4541 0.3988 2688.62 0.0000 0.0004 0.0003 0.0005 0.0004 0.0005 0.0007 2 0.4519 0.3969 2704.59 0.0000 0.0005 0.0004 0.0007 0.0005 0.0006 0.0003 3 0.4525 0.3984 2708.53 0.0000 0.0004 0.0002 0.0006 0.0004 0.0004 0.0006 4 0.4524 0.3984 2709.24 0.0000 0.0007 0.0005 0.0009 0.0006 0.0007 0.0007 5 0.4571 0.4010 2663.08 0.0000 0.0004 0.0004 0.0005 0.0005 0.0006 0.0010 6 0.4552 0.4000 2681.86 0.0000 0.0004 0.0003 0.0004 0.0004 0.0005 0.0007 7 0.4569 0.4019 2673.51 0.0000 0.0005 0.0004 0.0006 0.0005 0.0006 0.0010 8 0.4500 0.3952 2718.78 0.0000 0.0005 0.0003 0.0007 0.0004 0.0005 0.0009 9 0.4502 0.3952 2716.17 0.0000 0.0005 0.0004 0.0006 0.0005 0.0006 0.0008 10 0.4514 0.3963 2707.02 0.0000 0.0004 0.0004 0.0005 0.0004 0.0004 0.0006 11 0.4550 0.4004 2688.15 0.0000 0.0003 0.0004 0.0004 0.0004 0.0005 0.0007 12 0.4508 0.3950 2705.47 0.0000 0.0003 0.0004 0.0004 0.0005 0.0006 0.0008 13 0.4532 0.4018 2725.66 0.0000 0.0004 0.0003 0.0006 0.0004 0.0005 0.0007 14 0.4563 0.4032 2692.25 0.0000 0.0005 0.0004 0.0007 0.0005 0.0005 0.0006 15 0.4498 0.3946 2716.49 0.0000 0.0003 0.0003 0.0005 0.0004 0.0006 0.0006 16 0.4558 0.4003 2675.45 0.0000 0.0003 0.0004 0.0006 0.0005 0.0006 0.0009 17 0.4553 0.4002 2682.55 0.0000 0.0005 0.0004 0.0007 0.0005 0.0005 0.0009 18 0.4568 0.4009 2665.89 0.0000 0.0004 0.0003 0.0006 0.0004 0.0005 0.0006 19 0.4511 0.3966 2714.50 0.0000 0.0006 0.0004 0.0007 0.0005 0.0005 0.0005 20 0.4497 0.3928 2702.57 0.0000 0.0004 0.0003 0.0005 0.0004 0.0006 0.0008 Avg. 0.4533 0.3984 2697.02 0.0000 0.0004 0.0004 0.0006 0.0005 0.0005 0.0007 Min. 0.4497 0.3928 2663.08 0.0000 0.0003 0.0002 0.0004 0.0004 0.0004 0.0003 Max. 0.4571 0.4032 2725.66 0.0000 0.0007 0.0005 0.0009 0.0006 0.0007 0.0010 Med. 0.4529 0.3986 2703.58 0.0000 0.0004 0.0004 0.0006 0.0004 0.0005 0.0007 St. Dev. 0.0026 0.0029 18.69 0.0000 0.0001 0.0001 0.0001 0.0001 0.0001 0.0002
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 11,000 12,000 13,000 14,000 15,000 16,000 17,000 18,000 19,000 20,000 21,000 22,000 23,000 24,000 25,000 26,000 27,000 28,000 29,000 30,000 31,000 32,000 33,000 34,000 35,000 36,000 Lumen Maintenance[%] Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 14 of 18 55 TM-21 Projection 105% T s / TMP LED Lumen Maintenance Projection 100% 95% Projection( ) 55 Test( ) 55 90% 85% 80% 75% 70% EPA Method Slope(m) -1.712E-06 Intercept(b) 9.168E-03 α1 1.712E-06 B 1 1.009 Calculated L 70 (6k) 214,000 Reported L 70 (6k) >36,000
Chromaticity CIE Δu' v' Lumen Maintenmance Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 15 of 18 4.3 85 LUMEN MAINTENANCE AND CHROMATICITY SHIFT Actual Case Temperature [T S ] 85.6 Actual Ambient Temperature [T A ] 83.5 Test Current (I F ) : 350mA Relative Humidity : 60 %RH Air Flow : 1 m/sec 105.00% T s vs. Lumen Maintenance 100.00% 95.00% 90.00% 85.00% Nominal Ts= 85 80.00% 75.00% 70.00% 0.0070 0 1000 2000 3000 4000 5000 6000 T s vs. Chromaticity CIE Δu' v' 0.0060 0.0050 0.0040 0.0030 Nominal Ts= 85 0.0020 0.0010 0.0000 0 1000 2000 3000 4000 5000 6000
Reliability & Failure Analysis Engineering Group Page 16 of 18 85 Luminous Maintenance (%) and Forward Voltage (Vf) No. 0Hr. [Vf] 0Hr. [Lumen] 0Hr. 1,000Hrs. 2,000Hrs. 3,000Hrs. 4,000Hrs. 5,000Hrs. 6,000Hrs. 1 3.549 83.892 100.00% 100.03% 99.33% 98.58% 98.11% 97.46% 96.63% 2 3.537 84.513 100.00% 100.12% 99.39% 98.61% 97.60% 96.49% 95.17% 3 3.558 83.078 100.00% 99.99% 99.12% 98.43% 97.88% 97.08% 96.33% 4 3.506 84.040 100.00% 99.83% 98.88% 97.73% 97.09% 96.29% 95.06% 5 3.518 86.754 100.00% 99.63% 98.84% 98.28% 98.14% 97.75% 97.22% 6 3.528 83.365 100.00% 99.60% 98.73% 97.79% 97.03% 96.15% 94.89% 7 3.474 88.892 100.00% 99.74% 99.30% 98.93% 99.03% 98.93% 98.28% 8 3.544 89.446 100.00% 100.01% 99.51% 99.17% 99.14% 99.22% 98.99% 9 3.514 85.186 100.00% 100.02% 99.40% 98.61% 98.16% 97.57% 96.43% 10 3.549 83.888 100.00% 99.77% 98.83% 97.86% 97.37% 96.70% 95.35% 11 3.514 84.365 100.00% 99.45% 98.37% 97.40% 96.84% 96.17% 94.75% 12 3.491 87.711 100.00% 99.78% 99.29% 98.64% 98.39% 98.19% 97.49% 13 3.468 88.847 100.00% 100.02% 99.52% 98.89% 98.55% 98.35% 97.75% 14 3.511 82.864 100.00% 99.87% 99.14% 98.28% 97.71% 97.07% 95.77% 15 3.505 84.465 100.00% 99.78% 98.92% 98.14% 97.58% 96.99% 95.66% 16 3.499 84.716 100.00% 99.82% 98.98% 98.04% 97.51% 96.75% 95.49% 17 3.486 84.353 100.00% 99.90% 99.30% 98.46% 98.02% 97.31% 96.02% 18 3.541 83.746 100.00% 100.03% 99.25% 98.28% 97.67% 96.60% 95.50% 19 3.524 84.411 100.00% 99.55% 98.83% 97.59% 97.02% 96.08% 94.79% 20 3.504 84.219 100.00% 99.47% 98.61% 97.50% 97.09% 96.36% 95.24% Avg. 3.516 85.138 100.00% 99.82% 99.08% 98.26% 97.80% 97.18% 96.14% Min. 3.468 82.864 100.00% 99.45% 98.37% 97.40% 96.84% 96.08% 94.75% Max. 3.558 89.446 100.00% 100.12% 99.52% 99.17% 99.14% 99.22% 98.99% Med. 3.514 84.388 100.00% 99.82% 99.13% 98.28% 97.69% 97.03% 95.71% St. Dev. 0.025 2.027 0.000 0.002 0.003 0.005 0.007 0.009 0.012
Reliability & Failure Analysis Engineering Group Page 17 of 18 85 CIEx CIEy,CCT and Chromaticity Shift (Δu v ) CIE u' v' 0Hr. 1,000Hrs. 2,000Hrs. 3,000Hrs. 4,000Hrs. 5,000Hrs. 6,000Hrs. No. CIE x CIE y CCT [K] ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' ΔCIE u'v' 1 0.4502 0.3951 2715.08 0.0000 0.0004 0.0003 0.0005 0.0006 0.0007 0.0010 2 0.4549 0.4005 2689.82 0.0000 0.0003 0.0005 0.0006 0.0006 0.0011 0.0019 3 0.4591 0.4049 2665.72 0.0000 0.0004 0.0003 0.0005 0.0005 0.0008 0.0011 4 0.4503 0.3943 2707.10 0.0000 0.0004 0.0004 0.0006 0.0007 0.0010 0.0016 5 0.4552 0.3992 2674.88 0.0000 0.0004 0.0004 0.0005 0.0006 0.0009 0.0010 6 0.4509 0.3966 2716.95 0.0000 0.0004 0.0003 0.0005 0.0006 0.0009 0.0016 7 0.4536 0.3981 2690.03 0.0000 0.0005 0.0004 0.0005 0.0005 0.0007 0.0008 8 0.4570 0.3998 2655.49 0.0000 0.0005 0.0005 0.0004 0.0005 0.0007 0.0007 9 0.4547 0.4006 2693.52 0.0000 0.0003 0.0003 0.0005 0.0006 0.0009 0.0016 10 0.4534 0.4012 2718.74 0.0000 0.0003 0.0005 0.0006 0.0007 0.0010 0.0019 11 0.4506 0.3951 2709.11 0.0000 0.0004 0.0005 0.0006 0.0007 0.0011 0.0018 12 0.4562 0.4006 2671.76 0.0000 0.0005 0.0005 0.0004 0.0005 0.0007 0.0008 13 0.4482 0.3933 2730.52 0.0000 0.0005 0.0004 0.0004 0.0006 0.0007 0.0009 14 0.4520 0.3971 2705.63 0.0000 0.0005 0.0004 0.0006 0.0006 0.0009 0.0015 15 0.4530 0.3975 2693.15 0.0000 0.0003 0.0005 0.0007 0.0008 0.0010 0.0018 16 0.4505 0.3958 2716.75 0.0000 0.0003 0.0003 0.0005 0.0006 0.0009 0.0015 17 0.4577 0.4014 2658.19 0.0000 0.0003 0.0004 0.0005 0.0006 0.0010 0.0018 18 0.4531 0.3969 2687.64 0.0000 0.0004 0.0003 0.0004 0.0006 0.0009 0.0014 19 0.4526 0.3970 2695.93 0.0000 0.0004 0.0004 0.0005 0.0006 0.0009 0.0016 20 0.4522 0.3980 2709.00 0.0000 0.0004 0.0005 0.0005 0.0006 0.0009 0.0015 Avg. 0.4533 0.3982 2695.25 0.0000 0.0004 0.0004 0.0005 0.0006 0.0009 0.0014 Min. 0.4482 0.3933 2655.49 0.0000 0.0003 0.0003 0.0004 0.0005 0.0007 0.0007 Max. 0.4591 0.4049 2730.52 0.0000 0.0005 0.0005 0.0007 0.0008 0.0011 0.0019 Med. 0.4531 0.3978 2694.73 0.0000 0.0004 0.0004 0.0005 0.0006 0.0009 0.0015 St. Dev. 0.0028 0.0029 21.36 0.0000 0.0001 0.0001 0.0001 0.0001 0.0001 0.0004
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 11,000 12,000 13,000 14,000 15,000 16,000 17,000 18,000 19,000 20,000 21,000 22,000 23,000 24,000 25,000 26,000 27,000 28,000 29,000 30,000 31,000 32,000 33,000 34,000 35,000 36,000 Lumen Maintenance[%] Integrated Service Technology Inc. Reliability & Failure Analysis Engineering Group Page 18 of 18 85 TM-21 Projection 105% T s / TMP LED Lumen Maintenance Projection 100% 95% Projection( ) 85 Test( ) 85 90% 85% 80% 75% 70% EPA Method Slope(m) -7.164E-06 Intercept(b) 5.258E-03 α1 7.164E-06 B 1 1.005 Calculated L 70 (6k) 51,000 Reported L 70 (6k) >36,000