1. COPYRIGHTS RESERVED. 231, Dongbu-daero, Jinwi-myeon, Pyeongeac-si, Gyeonggi-do, 451-862, Korea www.elcomtec.co.kr Patent Technology for IC Drive Street Light

2. 제조 제품 소개 -1 Street Lights Factory Lights Flood Lights Gadren Lights [Street Light] [Factory Light] [Circular Flood Light][Square Flood Light] 2/12 [Garden Light]

3. 제조제품 소개 -2 Lamps Panel Lights Down Lights T8 LED Lamps Parking Garage Lights [Edge Type] [External Driver Type][Internal Driver Type] [Troffer type] [MR16] [ 벌브 ] [Down Light] [Troffer type] 3/12

4. Patent Technology Introduction 4/11

5. Light fixture with DriverLight Fixture with AC Direct Part Factor SMPS + LED Module Patent Technology + LED Module Price \ 400,000 won (Reference Model : 150W 기 ) \ 200,000 won (Reference Model : 150W) Life time LED life time is longer than Driver The Components are same life time with LED (Standard : 50,000hrs) Reliability Electrolytic Condenser : Limited Life timeLong life time guarantee Advantages -Global Market Type : AC Direct Street Lights 특허기술소개 The Lights are driven by AD Direct Light Fixture with Driver, and AC Direct SMPSDC LED Module 220V 60Hz AC LED Module 220V 60Hz SURGE FREE DaeSung’s own reliable technologies 5/12

6. Before remove the FlickeringAfter remove the Flickering Upgraded Circuit Adventages for AC Direct 특허기술소개 Remove the flicker when driven by DC. High Efficiency Circuit and Module are designed for remove the Flicker 6/12

7. Internal Structure and appearance. Product Parts AC Direct Structure 30W LED Module. Various type for 90W, 120W, 150W Low volume and Low weight (Easy to installation and carriage) 특허기술소개 7/12 15W Circuit Image 30W LED Module Insulation board,resin bolt 220V 60Hz AC 220V 60Hz Patent Technology (~ 4,000V ) Power Diffuser PATENT

8. Patent (No. 10-2015-0051719 ) 특허기술소개 This patent is related power diffuser for LED board protection. LED board is protected by Surge and withstand voltage by special circuit design. Power diffuser 1.DC supply part : DC supply 2.Protection part : This part is connected with DC power supply part. LED board are protected by short, current shork, surge and remove noise. 3. Power transform part : This part is connected with protection part. DC is converted to AC. 4.AC power part : This part is connected with power transform part. AC is parallel distributed to LED board. 5.Additional Protection part : This part is located between AC part and transform part. LED board are protected by surge. 8/12

9. Materials 특허기술소개 Body PCB fix and heat sink Cover Angle Control AC Direct Street Light LED Module Bridge Diode PCB LEDs are mounted on The Board. Driver IC Turn on the LED by PWM LED Conversion of DC to Light Conversion of AC to DC Patent Technology Protection circuit from surge when the AC connected Power Insert the Cover 9/12

10. Adventages for Street Light IC Type (No 10-2015-0051719) ▣ Technology 1. Transform to DC by D/IC. High Efficiency LED(DC TYPE) 2. Overvoltage protection Design(UP TO 470v) 3. Long Life Time by D/IC (no electrolytic condenser) 4. Meet the CE Standards(Surge, withstand,THD) : CE Certified 5. Special Designed for Heat Sink and radiant Protect(AL Heat Sink) 6. Angle Control : Meet the biological test(protect the blinding) 7. Ceramic Coating : Protect the corrossion, color 8. All-in-one Lens : Luminous Flux improve 9. Independent IC MODULE(easy to maintain) ▣ Economical 1. Decreased Installation Cost : 15%~20% 2. Decreased Maintain Cost : Without Electrolytic condenser drive to additional 2years life time 3. Safety : Domestic production and installation 4. Reasonable ROI, Price, and High Efficiency ▣ Maintain 1. Easy to change the defective components(Individual IC MODULE & LED MODULE) 2. Long Life Time : Max 5years Warranty(constant voltage) 3. Protect corrosion and color change by Ceramic Coating 10/12

11. New Factory Light, Garden Light ▣ Technology (Factory Light) 1. 20% Power margin Design(World first) 2. Special radian heat component(Resin) 3. All-in-one Lens Design for 5630chip(world first) 4. Meet the Kc Standards(Surge, withstand, THD) 5. Low Weight(prevent the product drop) 6 Control the Beam angle and High LUX 7. For both Driver and IC Driver 8. Competitive Design and Reasonable Price ▣ Technology(Garden Light)(No 20-2015-0002071) 1. Base Hide Design 2. Beam angle control from high beam to low beam 3. Low weight(protect the product drop) 4. High Efficiency and Reasonable Price(Decreased ROI) 5. For both Driver and IC Driver 6. Competitive Design and Reasonable Price 11/12

12. PartDaeSung&TechMetal Halide LampHigh-Pressure Sodium Lamp Induction Lamp Power(W)90250 200 Efficiency(%)95685485 CCT(K)5700480020005000 CRI(Ra)85782980 Driver(Converter)UnnecessaryNecessary Life Time(hr)50,0009,00012,00030,000 Put-off time(light on)Immediately5min ~ 10min Immediately Temperature50~60°C300~400°C 80~90°C Eco-FriendlyNo MercuryMercury 6mg Infrared / UltravioletNon Light FeatureNatureal SunShineColdCold and Low CRI. (Color Vision Difficulty) Normal Dimming Non Lumen MaintenanceConstantDecrease Safety(flame, shork)Weak Comparison with Street Light 12/12