Fabrication and testing red-emitting ceramic phosphor for laser phosphor projection

该CRD项目旨在开发和应用一种新的荧光粉材料，用于安大略省客户公司正在开发的激光荧光粉照明。将使用市售和内部生产的原材料。红色增强荧光粉的设计和制造将涉及将红色荧光粉粘合到掺有铈（YAG:Ce）的钇铝石榴石陶瓷上，并将内部生产的粉末转化为0.2-0.5mm厚的薄固体板，然后将板粘合到YAG:Ce衬底上。在该计划的第二阶段，将采用高温高压烧结工艺设计和制造复合红色增强陶瓷，以获得适合高性能图像投影的100%致密透明陶瓷。这种新一代红发荧光陶瓷将取代目前已知缺乏红色的宽发黄色荧光（YAG:Ce）。HQP将在设计和制造新一代能够发射红色的陶瓷方面发展技能，这种陶瓷不仅可以用于图像投影，还可以用于高效发光二极管和激光器。

This CRD program aims at developing and applying a new phosphor material for use in laser phosphor illumination under development by the client company in Ontario. Both commercially available and in house produced raw materials will be used. The design and fabrication of the red-enhanced phosphor will involve both bonding the red phosphor powder to the yttria-alumina-garnet ceramics doped with cerium (YAG:Ce) and converting the in-house produced powder into thin solid plates, 0.2-0.5mm thick, followed by bonding the plates to YAG:Ce substrate. In the second stage of the program, a composite red-enhanced ceramics will be designed and fabricated using a high temperature high pressure sintering process suitable for obtaining 100% dense transparent ceramics suitable for high performance image projection. This new generation of red-phosphor ceramics with increased red-emission will replace the existing broad yellow emitting phosphor (YAG:Ce) known to be deficient in red color. The HQP will be in the position to develop skills in the design and fabrication of a new generation of ceramics capable of emitting red color that can be used not only in image projection but also in high efficiency light emitting diodes and lasers.