Patents Assigned to IDEC Izumi Corp.
  • Light-emitting or receiving device with smooth and hard encapsulant resin
    Patent number: 5101264
    Abstract: There is provided a light-emitting or receiving device having improved weatherability, chemical resistance, hardness, and optical properties, wherein a light-emitting or receiving element is encapsulated with a polymer of a polymerizable liquid composition comprising (a) a monomer or an oligomer or a mixture thereof containing a diallyl compound as an essential ingredient.There is also provided an encapsulant and a method for encapsulating a light-emitting or receiving element.
    Type: Grant
    Filed: March 28, 1989
    Date of Patent: March 31, 1992
    Assignees: Mitsui Petrochemical Ind., IDEC Izumi Corp.
    Inventors: Kakutaro Kauchi, Toru Tomoshige, Shoji Usuda, Hideyuki Kitayama