Mei-Yun Chang

Title: Innovations by Mei-Yun Chang

Introduction

Mei-Yun Chang is a notable inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of contact lens technology. With a total of 2 patents, his work focuses on enhancing the functionality and aesthetics of contact lenses.

Latest Patents

One of Mei-Yun Chang's latest patents is for colored contact lenses. This invention includes a transparent protective layer, a colored layer, and a lens layer, with the colored layer positioned between the transparent protective layer and the lens layer. The composition for forming the transparent protective layer consists of at least one first hydrophilic monomer and a first thickener. The colored layer is created using a composition that includes at least one second hydrophilic monomer, an adhesive resin, a second thickener, and a colorant. Notably, at least one of the thickeners used in both layers is a modified polyvinylpyrrolidone.

Another significant patent by Chang is a method for manufacturing contact lenses. This method involves mixing a siloxane macromer, a hydrophilic monomer, a crosslinking agent, and an initiator to create a solvent-free mixture for contact lens production. The mixture is then injected into a mold and subjected to UV irradiation or thermal treatment to form the contact lenses.

Career Highlights

Mei-Yun Chang is currently employed at Benq Materials Corporation, where he continues to innovate in the field of materials science and optics. His work has contributed to advancements in the design and manufacturing of contact lenses, making them more accessible and appealing to consumers.

Collaborations

Some of his notable coworkers include Jui-Feng Chung and Fan-Dan Jan. Their collaborative efforts have further enhanced the research and development initiatives at Benq Materials Corporation.

Conclusion

Mei-Yun Chang's contributions to the field of contact lens technology demonstrate his innovative spirit and commitment to improving consumer products. His patents reflect a blend of creativity and scientific rigor, paving the way for future advancements in the industry.