Patent ID: 7863392
Filing Date: 2011-01-04
Classification: C08G,C08L,G02B,H01L

Abstract:
1. A curable organopolysiloxane resin composition having a viscosity at 25° C. in the range of 0.001 to 5,000 Pa·s, a total acid number as specified by JIS K 2501 (1992) in the range of 0.0001 to 0.2 mg/g, light transmittance in a cured state equal to or greater than 80% measured at 555 nanometers through a 1 mm thick sample of said cured organopolysiloxane resin composition and light transmittance in the cured state of at least 40% measured at 400 nanometers through a 1 mm thick sample of said cured organopolysiloxane resin composition after said cured organopolysiloxane resin composition is aged at 200° C. for 14 days.