William G Freer

Title: The Innovations of William G. Freer

Introduction

William G. Freer is a notable inventor based in Saint-Blaise, Switzerland. He holds two patents that showcase his contributions to the field of electro-optic display technology. His work has significantly advanced the manufacturing processes and design of passive display cells.

Latest Patents

Freer's latest patents include a "Passive Electro-Optic Display Cell and Method of Manufacturing Thereof." This invention describes a passive electro-optic display cell that consists of two glass plates, each covered with a protective layer, such as silicon dioxide. Conductive electrodes made from indium oxide are fixed onto these plates. A bonding layer, produced from a transparent organic substance, is placed between the treated plates and an alignment layer that aligns the liquid crystal molecules within the cell. The alignment layers are made from a polymerizable material, such as polyimide. Additionally, a sealing frame surrounds the liquid crystal, composed of a polymerizable material like formaldehyde phenolic resin. This innovative design ensures that the liquid crystal is protected from contamination and external influences.

Another significant patent is the "Method for the Manufacture of a Set of Passive Electro-Optic Displays." This method involves providing two superimposed glass plates with groups of conductive layers deposited in a matrix configuration. A peripheral closed belt of thermoplastic material is placed between the plates, along with open belts surrounding the conductive layers. The closed belt is sealed to create a closed space, and under higher pressure, the plates are brought closer together. The cells are then filled with liquid crystal under vacuum, ensuring a high-quality product.

Career Highlights

Freer has made substantial contributions to the field of electro-optic displays through his innovative patents. His work at Ebauches Electroniques S.A. has positioned him as a key figure in the development of advanced display technologies.

Collaborations

Freer has collaborated with notable coworkers, including John C. Varney and John H. Williamson. Their combined expertise has contributed to the successful development of innovative technologies in the field.

Conclusion

William G. Freer's contributions to the field of electro-optic displays through his patents and career at Ebauches Electroniques S.A. highlight his significant impact on technology. His innovative designs and methods continue to influence the industry today.