Fundamentals, dispersion, and coating technology of phosphors for LEDs, and the development of improved lifespan and luminous efficiency.
S01006
Latest research trends you can hear by participating in the seminar ★ Optical properties of rare earth elements and examples of phosphors for LEDs ★ Phosphor dispersion, evaluation, and the latest trends overseas.
【Lecturers】 Part 1: Shinji Okamoto, Ph.D. (Science), Manager of the Development Division, Tokyo Chemical Research Institute, Inc. Part 2: Yuko Kominami, Associate Professor, Center for Nanovision Research, Shizuoka University, Institute of Electronics Part 3: Shigeru Koshibe, President, Aipack Co., Ltd. 【Venue】 Tekuno Kawasaki 【Kanagawa, Musashi-Mizonokuchi】 【Date and Time】 October 14, 2010 (Tuesday) 10:30 AM - 3:45 PM
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Part 1: Fundamentals and Latest Research and Development Trends of Phosphors for White LEDs 1. Basic Knowledge about White LEDs 2. Optical Properties of Phosphors 3. Examples of Phosphors for LEDs Part 2: Development and Application of New Phosphor Materials (Tentative Title) Part 3: Optimization of LED Encapsulation Process and Key Points of Phosphor Dispersion 1. LEDs 2. Applications of LEDs 3. LED Encapsulation Technology 4. Basic Issues of LEDs 5. Challenges of White LEDs 6. Challenges of Generalizing LEDs 7. Overseas Trends of LEDs: Displays, Lighting
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**Lecture Summary** The combination of blue light-emitting InGaN-based compound semiconductor light-emitting diodes (LEDs) and phosphors has led to the rapid proliferation of bulb-shaped white LED lamps and white LEDs for backlighting in liquid crystal televisions. A white LED package with a luminous efficiency of 150 lm/W, surpassing that of fluorescent lamps, has been on sale since last autumn, and reports have indicated successful development of an ultra-high-efficiency white LED package with 249 lm/W at the research level. New nitride and oxynitride phosphors have been developed for these white LEDs, and research on novel phosphors, including these, is currently very active. This lecture will outline the development trends of phosphors for white LEDs, incorporating discussions on the optical properties of rare earth elements and the fundamentals of phosphors.
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