This inventor holds 3 USPTO granted patents. Top assignees: Samsung Sdi Co., Inc., Samsung Electronics Co., Ltd.. Active years: 2003-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2003-2004
Title: Sung-Jun An: Cathode-Ray-Tube Electron-Gun Inventor
Introduction
Sung-Jun An is an inventor associated with Suwon, South Korea. His work includes electron-gun designs for color cathode-ray tubes, with a focus on shaping and controlling electron beams. He is credited with 3 patents.
Latest Patents
**Electron Gun for Color Cathode Ray Tube.** This invention describes an electron gun with a cathode, control electrode, screen electrode, and multiple focusing electrodes. Its electrode openings and indented portions are designed to guide the electron beams and form quadrupole lenses.
**Double Dynamic Focus Electron Gun.** This design uses auxiliary and sequential quadrupole-lens-forming units to control electron-beam focus in both vertical and horizontal directions. The units are arranged between the screen electrode and the final acceleration electrode, helping manage beam divergence and focus as the beam travels toward the screen.
Career Highlights
An’s listed professional affiliations include Samsung SDI Co., Inc. and Samsung Electronics Co., Ltd. His patent work reflects engineering focused on electron optics and display technology.
Collaborations
Among An’s listed coworkers are Yong-Seok Song and Do-Hyoung Kim. Their association provides context for the collaborative environment surrounding his technical work.
Conclusion
Sung-Jun An’s patents address electron-gun structures and dynamic beam focusing for cathode-ray-tube displays, highlighting his contributions to display engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile