1. 显示技术物理实验 重庆邮电大学数理学院光信息材料实验室 周凯宁 2013.4.15

2. 2008 Physics Nobel Prize The 2008 Physics Nobel Prize was given to three Japanese scientist for finding the GFP(green fluoresent protein)

3. Outline of the Topic 1. Categrizing of luminescence. 2. Principle of Electroluminescence and Photoluminescence 3. Applications of Photoluminescence and Electroluminescence-White LED 4. Applications of LED in daily life 5. Principle and Packaging Structrure of LED

4. Categrizing of Luminescence 1. Electroluminescence eg. LED 2. Bioluminescence eg. Firefly 3. Photoluminescence eg. Phosphor 4. Chemiluminescence eg. Chemical reaction with emission of heat.

5. Principle of Electroluminescence and Photoluminescence Eg. Hydrogen atom and energy levels

6. Principle of Electroluminescence and Photoluminescence Energy Levels of Hydrogen And Emission:

7. Principle of Electroluminescence and Photoluminescence Photoluminescence:

8. （半导体材料发光原理图） Light P-typeActive region N-type +V ● ── —V ── ● Principle of Electroluminescence and Photoluminescence LED PN Junction Electroluminescence:

9. Principle of Electroluminescence and Photoluminescence LED PN Junction Electroluminescence:

10. Applications of Photoluminescence and Electroluminescence White LED 1.High power White LED structure

11. White LED 2. white LED luminescence spectra

12. LED application in daily life

13. 数码管 (Display) 大功率 (High Power Led) 贴片 (SMD) 食人鱼 普通 LED LED 的封装类型及结构

14. Principle and Packaging Structrure of LED