Wuhan Pape Lighting Co., Ltd is a professional provider of green lighting products led, located in China Optical Valley - Wuhan. The company is committed to providing customers with high quality, fully functional LED lighting products, services and solutions. Companies with a number of world-renowned enterprises to establish a long-term partnership with leading technology, useful features full color led display, personalized design and a wide range of solutions to win the trust and support; products are exported to the country and the world. many countries and regions, products and services include LED lighting, LED landscape, LED displays and other fields. Companies rely on a number of domestic and foreign research institutes led chip technology, a number of overseas returnees, the industry experienced engineers of the technical team, with strong technical strength indoor led display, able to provide customers with cost-effective, high-performance green lighting products. Quanhua photoelectric follow the "innovation, rigorous, focused, responsibility" philosophy, progress continued innovation based on customer demand, the pursuit of strict production and quality control system, providing customers with high-quality, long-lasting products and services, specializing in industry and development of technology. We have a society healthy, comfortable, beautiful, green lighting environment environmental efforts. 2. Process structure of white LED and white light. For general lighting, in the process structure, the white LED is usually formed in two ways, the first is the use of "Blu-ray technology," and with the formation of white phosphor; the second is more of a hybrid approach monochromatic. Both of these methods have been able to successfully produce white device. The first method to produce white light system shown in Figure 1, Fig LED GaM chip emits blue light (λp = 465nm), it YAG (yttrium aluminum garnet) phosphor package together, when the phosphor excited by the blue light emitted yellow light, a result, mixture of blue and yellow light to form white light (LED structure composed of Figure 2). The second method uses a different shade of chip package together, by mixing different colors of light to produce white light. led screen, Pape lighting (certified), Chengde led by Wuhan Pape Lighting Limited. Pep Lighting Co., Ltd., Wuhan (www.peipuled.com) is Wuhan City View light fixtures leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Pep lighting in leadership with the staff warmly welcome all inquiries negotiations to create a better future for lighting Pape.