Patents Represented by Attorney T. E. Gelanthay

Find this attorney in the Justia Lawyer Directory

  • Minimizing cross-talk in L.E.D. arrays
    Patent number: 3946417
    Abstract: Disclosed is a semiconductor light emitting diode (LED) array in which "cross-talk" between adjacent diodes in the array is minimized. The disclosed LED arrays have an absorbing layer on the backside of the devices and/or a guard ring region surrounding each device in order to absorb spurious reflections within the semiconductor crystal. Disclosed also is a method of making improved light emitting diodes (LED's).
    Type: Grant
    Filed: August 12, 1974
    Date of Patent: March 23, 1976
    Assignee: IBM Corporation
    Inventors: William N. Jacobus, Jr., San-Mei Ku