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For the Inventor, By the Inventor

Zhongli, Taiwan

Yu-Chung Yu

This inventor holds 5 USPTO granted patents. Top assignees: Chunghwa Picture Tubes, Ltd., Chung Picture Tubes, Ltd.. Active years: 1996-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yu-Chung Yu. Retrieved from https://idiyas.com/inventor/yu-chung-yu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Taiwan, CN (1996)
  • Chungli, TW (1996 - 1998)

Company Filing History:

goldMedal4 out of 980 
 
Chunghwa Picture Tubes, Ltd.
 patents
silverMedal1 out of 1 
 
Chung Picture Tubes, Ltd.
 patent

Years Active: 1996-1998

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5 patents (USPTO):Explore Patents
1. 5717281 - Photoresist for cathode ray tubes that includes vinyl (1998-02-10),
2. 5580662 - Antistatic coating for video display screen (1996-12-03),
3. 5572086 - Broadband antireflective and antistatic coating for CRT (1996-11-05),
4. 5536994 - Photoresist for cathode ray tubes (1996-07-16),
5. 5523114 - Surface coating with enhanced color contrast for video display (1996-06-04),

Title: Innovations of Yu-Chung Yu in Cathode Ray Tube Technology

Introduction

Yu-Chung Yu is a notable inventor based in Chungli, Taiwan, recognized for his contributions to the field of cathode ray tube (CRT) technology. He holds a total of 5 patents that showcase his innovative approaches to improving video display panels.

Latest Patents

One of Yu's latest patents involves a photoresist for cathode ray tubes that includes vinyl. This invention addresses the adhesion issues of photoresist to the glass faceplate of CRTs by utilizing a mixture of primary color phosphors, an organic binder such as polyvinyl alcohol (PVA), and a photoresist agent. The addition of a vinyl pyrrolidone-vinyl alcohol (VP-VA) copolymer enhances compatibility and uniformity in film thickness. Furthermore, the photoresist incorporates a photosensitive tetraalkylammonium salt, which significantly improves video image contrast by increasing water solubility and enhancing the application process.

Another significant patent by Yu is an antistatic coating for video display screens. This coating employs antimony doped tin oxide combined with a specially formulated solvent that is effective in reducing surface contaminants and enhancing static charge dissipation. The innovative characteristics of this coating make it particularly useful during the manufacturing process of CRTs.

Career Highlights

Throughout his career, Yu-Chung Yu has worked with prominent companies in the display technology sector, including Chunghwa Picture Tubes, Ltd. and Chung Picture Tubes, Ltd. His work has significantly impacted the development and enhancement of CRT technology.

Collaborations

Yu has collaborated with notable coworkers such as Hua-Sou Tong and Chun-Min Hu, contributing to various projects that have advanced the field of video display technology.

Conclusion

Yu-Chung Yu's innovative patents and career achievements highlight his significant contributions to cathode ray tube technology. His work continues to influence advancements in video display systems, showcasing the importance of innovation in this field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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