This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Lg Chem, Ltd. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Woohyuck Chang - Innovator in Light Control Technology
Introduction
Woohyuck Chang is an inventor based in Seoul, South Korea. He is currently associated with LG Chem, Ltd. Woohyuck has made significant contributions to the field of light control technology, although he does not hold any granted patents at this time.
Latest Patent Applications
One of Woohyuck Chang's notable patent applications is titled "Apparatus for Manufacturing Light Control Film and Light Control Film Manufactured by Same." This application describes an apparatus that includes a film supply device for supplying a base film. It also features a pattern formation mold that applies pressure onto one side of the base film to create a pattern. The pattern formation mold consists of a main body and a pattern formation structure that protrudes from the outer surface of the main body, extending in a first direction. The cross-section of the pattern formation structure includes a pair of first intersecting lines, with one end connected to the main body, forming a first intersecting angle. Additionally, a pair of second intersecting lines extends from the other ends of the first intersecting lines, having a second intersecting angle that is smaller than the first.
Conclusion
Woohyuck Chang is a promising inventor in the realm of light control technology, with innovative ideas that could shape the future of this field. His work at LG Chem, Ltd. and his latest patent application demonstrate his commitment to advancing technology in this area.