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LED phosphors and quantum dots Global Patent Analysis Report

Release Time:2016-06-23   Publisher:Administrator   Font Selection 【Big】【In】【Sall】
LED market the past two years there have been some important changes, LED lighting applications gained significant development, China's LED industry has begun to emerge. On LED phosphor, the nitride phosphor is still the main red phosphor high CRI (color rendering index) wide color gamut display and lighting applications. Despite the parties to patent restrictions, but the phosphor suppliers are still lucrative. However, there is now a new material on the market, that is, from GE (General Electric) has developed a tetravalent manganese-doped fluoride potassium silicate, and Denka (Japan Electric Chemical), Nichia (Nichia Chemical of Japan), GE and other companies have realized the mass production of the material. This new material thanks to its extremely narrow spectral band, or may challenge the dominant position in the nitride phosphor display applications.
Quantum dot technology thanks to its design flexibility (tunable emission wavelength) and a very narrow emission bands in the market is gradually emerging as a very reliable alternative display application options. YAG (yttrium aluminum garnet) phosphor is still the best yellow phosphor white LED applications. But its use has been strong Nichia patent protection limits. Silicate phosphors YAG phosphor is the best alternative, but it is still present in the performance of the rival. Since 2017, beginning with the YAG phosphor key patents expire one by one, and its price is significantly lower than alternative products, we expect YAG phosphor 2020 will dominate the entire market phosphor, and silicate phosphors except in terms of performance and cost to obtain a breakthrough, or their market share will be significantly reduced.
Phosphor patent is an important force of LED industry, involving more than 70 from the phosphor patent litigation cases about 50 companies, the entire LED industry had a significant impact. The entire LED industry has long been the basis for the failure of those patents and ready. This will help new entrants like game-Chinese LED packaging companies to expand their overseas markets. At the same time, Everlight (Everlight) has been trying invalid Nichia most basic patent, Osram (Osram) and Nichia is continuing to strengthen its patent impact through patent litigation, BOSE Union (around 2000, Toyoda Gosei and Austria Tridonic Jennersdorf, Germany Leuchtstoffwerk Breitungen company, Litec GbR common form of Barium Ortho-silicate Europium Alliance) through its silicate phosphor patent licensing to numerous Chinese LED packaging companies, expanding its patent licensing program.