Richard F Griffith

Title: Richard F Griffith: Innovator in Optical Film Technology

Introduction

Richard F Griffith is a notable inventor based in Minneapolis, MN (US). He has made significant contributions to the field of optical film technology, holding a total of 4 patents. His work focuses on enhancing the functionality and efficiency of optical films used in various display technologies.

Latest Patents

One of his latest patents is for an optical film having microreplicated structures and methods. This optical film is designed for use in transparent displays, such as reflective LCDs. The film features three-dimensional, prismatic structures that reflect incoming light. These prismatic structures are configured to orient the reflected light in a desired reflective light pattern. The shape and intensity of this pattern can be controlled by adjusting the shape and dimensions of the various reflecting facets. In one embodiment, the height of the prismatic structure varies along two dimensions of the structure.

Another significant patent is for illumination assemblies and systems. This invention discloses illumination assemblies that include a reflective substrate and a light source unit capable of producing illumination light. The assembly can also feature a first light extraction surface with an azimuthal beam widening topography. This surface is positioned such that the light source unit is between it and the reflective substrate, facing the light source unit.

Career Highlights

Richard F Griffith is associated with 3M Innovative Properties Company, where he has been instrumental in developing innovative optical solutions. His work has contributed to advancements in display technologies, making them more efficient and effective.

Collaborations

Throughout his career, Richard has collaborated with notable colleagues, including Kenneth A Epstein and Timothy J Gardner. These collaborations have further enhanced the impact of his inventions in the field.

Conclusion

Richard F Griffith is a prominent inventor whose work in optical film technology has led to significant advancements in display systems. His innovative patents continue to influence the industry and pave the way for future developments.