Q&A on the degradation mechanisms of phosphors and methods for extending lifespan and improving reliability.
S10832
★Revealing the issues as a business that cannot be discussed at LED conferences!! ★Why do most entering manufacturers stop their development efforts?
Speaker: Associate Professor Kenji Toda, Graduate School of Natural Science, Niigata University Target Audience: Researchers and developers interested in LED challenges and development trends Venue: Tekuno Kawasaki 4F Conference Room [Kanagawa, Kawasaki] 10-minute walk from Tokyu Mizonokuchi Station East Exit, JR Musashi-Mizonokuchi Station Date and Time: August 26, 2011 (Friday) 13:30-16:30 Capacity: 30 people *Registration will close once full. Please apply early. Participation Fee: [Early Bird Discount Price] 46,200 yen (tax included, including text costs) for up to 2 people per company *Limited to Tech-Zone members who apply by August 12. Membership registration is free. *After August 12, the [Regular Price] will be 49,350 yen (tax included, including lunch and text costs) for up to 2 people per company. ◆ When applying for the early bird discount, please select "1 person (early discount)" or "2 people (early discount)" in the number registration. ◆ Point discounts from the early bird price do not apply. Point discount services can only be used for regular price applications. ◆ If 3 people from the same organization apply, the fee will be 69,300 yen.
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basic information
Since the Great East Japan Earthquake, LED bulbs using white LEDs have become a familiar presence, leading to increased interest in LED lighting. The phosphors used in this context are key materials, yet there are many business challenges due to market size issues. Recently, there have been more opportunities to learn the fundamentals of phosphors for LEDs at various academic conferences, allowing for a broader understanding of the development landscape. In this presentation, I will delve into issues that cannot be discussed at conferences as business problems (such as why most entering manufacturers cease their development efforts), the strengths and weaknesses of current phosphors, and cutting-edge developments related to new phosphors aimed at addressing these challenges.
Price range
P2
Delivery Time
P2
Applications/Examples of results
1. Essential know-how for phosphor design 1-1 What are the differences in design philosophy between phosphors for LEDs and other phosphors? 1-2 What is the difference between lighting and backlighting? 1-3 Are rare earth elements essential for phosphors? 1-4 What are the degradation mechanisms of rare earth phosphors? 1-5 Why are phosphors for LEDs in powder form? Are other shapes not viable? 1-6 Is it true that ore suppliers and magnet manufacturers are suited for LED phosphor development? 2. Specific advantages and issues of phosphors for LEDs 3. Differences in degradation mechanisms of phosphors 3-1 What are the degradation mechanisms of silicate-based phosphors? 3-2 What are the degradation mechanisms of aluminates phosphors? 3-3 Are nitride phosphors really resistant to degradation? 3-4 What are the degradation issues whispered about β-sialon? 3-5 What are the countermeasures for preventing degradation? 4. Global research and development trends and business situation 4-1 Is it true that phosphors for LEDs will become a big business because of their high prices? 4-2 Why have most new entrants into the LED phosphor market not succeeded? 4-3 New players in South Korea: Oju Electronic Materials 4-4 What are China's intentions?
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