This section of the catalog features products useful for all types of research dealing with light-management and display technologies. Aldrich® Materials Science offers a broad selection of dyes, which are grouped by property as well as chemical classes. Laser, Infrared (IR), Chemiluminescent and Photochromic dye sections include compounds useful for specific applications. Photoluminescent materials and Phthalocyanine/Porphyrin sections list optically active molecules grouped by chemical class. Additional dyes commonly used in OLED research are listed in the OLED and PLED Materials section. Non-Linear Optical (NLO) and Refractive Index (RI) control materials complete the selection of available photonic and optical materials.