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Contents. V. Technology & Market . II. General Information. IV. Comparison. III. Our Products. I. Introduction. Page 3. Page 9. Page 28. Page 9. Page 17. Be light!. Superior EL Lighting. Introduction . EL stands for Electro Luminescence.

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  1. Contents V. Technology & Market II. General Information IV. Comparison III. Our Products I. Introduction Page3 Page9 Page28 Page9 Page17 Be light! Superior EL Lighting KOELTEC The Company for Eco-Lighting

  2. Introduction • EL stands for Electro Luminescence EL sheets are paper thin laminated sheets that illuminate as an electrical current is passed through the sheet. This Electro Luminescence is created when luminous material(phosphor) are sandwiched between conductors, and as an electrical current is applied, the luminous material rapidly charge and emit light. EL lighting products are produced in many forms such as Electroluminescent sheets, EL Tape or EL Wire. The low power consumption makes Electroluminescent technology one of the most energy efficient light sources available. 주식회사KOELTEC The Company for Eco-Lighting

  3. Structure of EL Sheet General Electro Luminescence Sheet Structure Light Emitting Surface Electrode(PET) Luminous Layer(ZnS) EL Sheet Layer Structure Thickness: 0.25mm Insulator Back Electrode(Carbon) Protection Film INVERTER DCADAPTER Or DC1.5V ~ 12V 주식회사KOELTEC The Company for Eco-Lighting

  4. Example of EL Application AnimatedBanner Sample under mixed lighting condition with fluorescent light in the normal office and ambient light through the windows in day time Brightness: 200 Cd/m2 This banner sample was made by us three years ago This shows thickness and flexibility of our EL product “Belite” KOELTEC The Company for Eco-Lighting

  5. Standard Features of Normal EL Lighting Products Flexibility Various Processing • EL Material is thin so that it can be bent easily • It can be rolled with certain diameter(It depends on manufacturer's capability) • No risk of fire caused by excessive heat emission • No impact of heat emission to surroundings • Applicable to any industrial fields unable to use usual light sources Cold Light 100% efficient Lighting material without no heat emitting Economic Efficiency Ultra scale power saving product • Over 70% power saving against fluorescent light bulb and/or Neon • Long Life time but not all same due to each manufacturing capabilities • Excellent visibility on short and long range • No dazzling, no tiredness of eyes • Various color presentation, but limitation of No. of colors still exists - less than 40 colors Uniform Emitting with Various Color Soft Lighting without dazzling Active Design Wide use for any printed advertizing media & display • Simple and active luminous types(able to be animated) • Using multi channel with programming, any lighting animation can be displayed Free EM Wave 100% Environmentally friendly • No emission of EM wave from the surface of any EL products • 100% harmless for human body 주식회사KOELTEC The Company for Eco-Lighting

  6. OUR 2012 EL Product Based on the successful localization of raw materials and core technologies to produce EL lighting sheet for 10 years, we now have world’s No. 1 capability to produce the best nonorganic EL lighting product with its own brand name “Belite®” For Sign Board, POPs and Communications Belite® “TheBest & Brightest EL Lightin the world” It’s magnificent and superb !! It will be the light you ever want to have KOELTEC The Company for Eco-Lighting

  7. 2013 New Product Release Additionally, in 2013, we will release the brand new EL product called “Bluvi®” which is organic EL(OLED) product with the brightness of 10 thousand Candela(10,000 Cd/m2). This Bluvi® will cause the real revolution of lighting replacing all fluorescent light bulbs in the world. (Fluorescent light bulb has the brightness of 6,000 Cd/m2 normally) For Universal Lighting Purpose Bluvi® “It’s Brightest, Luminous and Vivid EL Light” This will be a new generation of lighting device. It can replace all light bulbs in the world KOELTEC The Company for Eco-Lighting

  8. Significant Feature of “Belite®” Our“Belite®” EL Sheet is different. Our technology has overcome the limitation that all existing EL products manufactured by other companies all around the world are facing. The “Belite®”EL Lighting Sheet we are releasing in July 2012 has big difference in the quantity comparing to the ordinary EL products made by other manufacturer in the world. Rating • Brightest EL Lighting Product ever released in the market (Maximum brightness of existing EL product made by other company: 200 Cd/m2) • 1,200 Cd/m2 Belite EL Sheet is already ready to go commercially Brightness Rating Colors • “Belite®”comes in 16 million colors • Using dimmer, able to control brightness and color of light Rating • The longest lifetime up to 50,000operational hours(Other EL: up to 30,000 hours only) • After maintaining its brightness at the beginning for initial10,000 hours, the brightness decays very slowly until the half of it for 40,000 working hours Life Time Rating • Only our “Belite®”always keep 80% power saving of electricity consumed by fluorescent light bulbs in ordinary outdoor sign board • Maximizing reduction of Installation cost • Lowest maintenance cost Economic Efficiency 주식회사KOELTEC The Company for Eco-Lighting

  9. Differentiated Elements on Our Manufacturing Technologies Guaranteed Durability Treatment of blocking ultraviolet rays and preventing contact with CO2, ozone and moistureallows any outdoor installation of “Belite®” EL lighting sheet with maximum durability • Phosphor material making technology localized only by us in Korea let us lower manufacturing cost of “Belite®” EL lighting products • By using unique technology for encapsulation of raw material, full colored lighting is completed • Our own technology for producing and compounding of raw materials gives flexibility and lowers cost base price of final product Phosphor Material Making • Reached at 90% of Yield Rate by our own EL Material Applying Technology • Able to produce Organic EL products on the same processing line of Non Organic EL products • Processing line integration know-how helps to reduce manufacturing cost but have advantages to produce larger size of EL SHEET so that our long lasting price competitiveness can be secured. • Our EL products only can be placed on the surface of any transparent materials Phosphor Applying Technology Global기술 협력을 통해 개발의 시행착오를 줄이고 유기 EL 제품단기간 개발 주식회사KOELTEC The Company for Eco-Lighting

  10. Qualitative Comparison; Our Belite VS. Other Light Sources 주식회사KOELTEC The Company for Eco-Lighting

  11. Qualitative Comparison; Our Belite VS. Other Light Source All data based on Signboardwith the size of 1㎡(1mx1m) 주식회사KOELTEC The Company for Eco-Lighting

  12. Economic Comparison for Outdoor Signboard Lighting 1. Initial Investment VS. Maintenance Cost (Unit: 1,000 Korean Won) Neon Our Belite® Fluorescent Light Bulb LED (General) CCFL Cold Cathode Fluorescent Lamp 주식회사KOELTEC The Company for Eco-Lighting

  13. Economic Comparison for Outdoor Signboard Lighting 2. Initial Investment Analysis All data based on manufacturing and installation of the Sign Board with size of2,400mm x 800mm having 5 Letters with each size of 600mm x 600mm on it (Unit:Korean Won) 주식회사KOELTEC The Company for Eco-Lighting

  14. Economic Comparison for Outdoor Signboard Lighting 4. Electricity Bill (Unit: 100Million Korean Won) LED (General) CCFL • Fluorescent Neon Our Belite® EL lighting 주식회사KOELTEC The Company for Eco-Lighting

  15. Economic Comparison for Outdoor Signboard Lighting 5. Electricity Bill Computation Basis Simulation Sample of Anyang City(located in Southern part of Seoul Metro Area, Population: about 620,000) - all data based on annual operation of the Sign Boards with size of2,400mm x 800mm having 5 Letters with each size of 600mm x 600mm on it in Whole area of Anyang City Applied Tariff quoted from Korea Electric PowerCorporation’s Electric Power Tariff Summary(Based on standard executed on Jan. 1st 2008 - Basic & Graduated Rate were not applied) 주식회사KOELTEC The Company for Eco-Lighting

  16. Economic Comparison for Outdoor Signboard Lighting 6. Durability / Replacement Cycle After 12,000hours, The brightness decays slowly to 50% of the initial for 38,000 hours. Initial maximum brightness lasts up to 12,000hours full operation from the installation Fluorescent Neon CCFL LED (General) Our Belite® EL lighting 주식회사KOELTEC The Company for Eco-Lighting

  17. Structure Comparison for Outdoor Signboard Lighting Width of Frame (Unit: mm) Our Belite® EL lighting Fluorescent CCFL LED(General) Neon 주식회사KOELTEC The Company for Eco-Lighting

  18. Non Organic EL Product Comparison with other competitors’ A2 Size( 420 mm x  594 mm) Basis 주식회사KOELTEC The Company for Eco-Lighting

  19. Non Organic EL Product Comparison with other competitors’ A2 Size( 420 mm x  594 mm) Basis 주식회사KOELTEC The Company for Eco-Lighting

  20. Our Technological Potential • Development of luminous raw material and EL manufacturing technologies Since registration of Patent(own technology) for new novel material was completed in 1999, we had made significant breakthrough against major weak point or limitation such as short lifespan and low brightness. Also, we already applied two patents for luminous raw materials which have been entirely imported before we developed and 100% localized its production. Development Status • Non Organic EL • Currently, mass production is ready to go with brightness from 400 CD/㎡ to 1200 CD/㎡ • Other competitor’s EL products still have brightness of 150~200 CD/㎡ • Organic EL • Development of Organic EL(OLED) has been completed up to 80% for it with brightness of 10,000cd/㎡ • Development will be completed until the end of 2013 주식회사KOELTEC The Company for Eco-Lighting

  21. How and Where to Use Electroluminescence • EL provides a cool, continuous, even light that can be shaped into stripes, strips, and geometric figures. Strips can run for several meters, with only one connection to a power source. Shapes can be illuminated with different colors and with flashing, animated effects. And EL panels are lamps. They radiate gently, without glare, and can be used anywhere light is needed. • Buildings can be outlined. Entire walls can glow with light. Ceilings can become skies. Staircases can become shining sets of steps. Windowless rooms can suddenly have windows --- with views. • Add EL panels that flash, blink, stack up or stack down and the creative possibilities are endless. EL becomes an imaginative, artistic medium offering color, motion and light as tools to inspire, educate and entertain. EL can be used with furniture, wall hangings, room trim and fixtures to uniquely enhance the appearance of any space. • EL will highlight a product or advertising message more effectively than any other form of light. Company logos or advertising displays will leap towards customers, compelling their attention to the image and the message. • EL designs are used in products such as toys, novelties, jewelry and fashion accessories. EL patches or panels can be sewn onto shirts, skirts, pants and hats. They can be attached to backpacks, tote bags and purses. A small EL panel can be used to illuminate any small, dark area such as a locker, a purse or a make-up kit, a tool box, a tackle box or every corner of a storage compartment. • Information illuminated by EL will command attention in any environment. Warnings are clear in an emergency. Instructions stand out to anyone in a crowd. Where power supplies are limited, EL illumination can operate for months with a small battery. KOELTEC The Company for Eco-Lighting

  22. Thank You ! KOELTEC The Company for Eco-Lighting

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