Polymer material and element using the same

• Main Authors: AKINO YOSHIHIKO, MAYUMI MIHO, SEKINE CHIZU
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2008
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

A polymer material comprising a composition containing a fluorescent conjugated polymer (A) and a phosphorescent compound (B) or comprising a polymer having the structure of (A) and the structure of (B) in the same molecule, wherein the following conditions (1), (2) and (3) are satisfied: (1) at least one of the light emission peak wavelengths of the fluorescent conjugated polymer (A) is less than 500 nm, (2) the light emission peak wavelengths of the phosphorescent compound (B) are not less than 500 nm, (3) the following relation is satisfied: ET A - ES A 0 ‰¥ ET B - ES B - 0.2 unit ; eV (wherein, ES A0 represents energy of the fluorescent conjugated polymer (A) at the ground state, ET A represents energy of the fluorescent conjugated polymer (A) at the lowest excited triplet state, ES B0 represents energy of the phosphorescent compound (B) at the ground state, and ET B represents energy of the phosphorescent compound (B) at the lowest excited triplet state).