David G Freier

Title: Innovations and Contributions of David G. Freier in OLED Technology

Introduction: David G. Freier is a prominent inventor based in Saint Paul, Minnesota, known for his extensive work in the field of organic light-emitting diode (OLED) technology. With an impressive portfolio comprising 38 patents, Freier has made significant contributions to improving display technology, particularly in color correction and uniformity.

Latest Patents: Among his recent innovations are two notable patents. The first patent focuses on an "Organic light emitting diode with color-correction for maximum white-point color shift." This patent describes an OLED display that includes a display panel and a color-correction component. It presents a variety of comparative display panels with varying optical thicknesses of OLED layers, allowing for maximal optimization of white-point color shifts and axial efficiencies.

The second patent details an "Optical stack for improved color uniformity in OLED display." This innovation involves an optical stack designed to minimize color variation with viewing angles in OLED displays. It features layers with differing refractive indices, including a nanostructured interface intended to enhance color uniformity, thereby significantly improving the overall performance of OLED technology.

Career Highlights: David G. Freier has lent his expertise to several notable companies during his career, including 3M Innovative Properties Company and Minnesota Mining and Manufacturing Company. His work at these institutions has been crucial in advancing OLED technologies and enhancing display performance.

Collaborations: Throughout his career, Freier has collaborated with esteemed colleagues, including Rolf W. Biernath and Michael F. Weber. These partnerships have played an essential role in the development of his innovative patents and have contributed to the collective expertise in OLED research and applications.

Conclusion: David G. Freier's work in the field of OLED technology has undeniably shaped the future of display systems. With his innovative patents and collaborative efforts, he continues to make significant strides in improving color accuracy and uniformity in OLED displays, marking him as a leading figure in the realm of modern display technology.