Company Filing History:
Years Active: 2022
Title: Douglas MacDonald: Innovator in Solid State Illumination Systems
Introduction
Douglas MacDonald is a notable inventor based in Milton, Canada. He has made significant contributions to the field of solid state illumination systems, particularly through his innovative patent that addresses the challenges of maintaining stable optical output in devices utilizing light emitting diodes (LEDs).
Latest Patents
Douglas MacDonald holds a patent titled "Maintaining stable optical output of solid state illumination system." This patent discloses a method for ensuring a desired optical output in a solid state illumination device. The device is designed to accommodate multiple LEDs and combines their light to produce a single optical output. The method involves testing the LEDs prior to their integration into the device, generating characterizing information that describes how various optical properties, such as optical power and peak wavelength, change with temperature. This information is stored in the device's computer-based memory. During operation, temperature sensors measure the temperature of each LED, allowing for adjustments in electrical current based on the measured temperatures and the stored characterizing information.
Career Highlights
Douglas MacDonald is currently employed at Excelitas Canada, Inc., where he continues to develop and refine technologies related to solid state illumination. His work has been instrumental in advancing the efficiency and reliability of LED-based lighting systems.
Collaborations
Throughout his career, Douglas has collaborated with talented individuals such as Erik Sorensen and Paul Constantinou. These collaborations have fostered innovation and contributed to the success of various projects within the company.
Conclusion
Douglas MacDonald is a distinguished inventor whose work in solid state illumination systems has led to significant advancements in the field. His patent demonstrates a commitment to improving the performance and stability of LED technologies.