Shenzhen, China

Tsunglung Chang

This inventor holds 8 USPTO granted patents and 4 published patent applications. Top assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd., Tcl China Star Optoelectronics Technology Co., Ltd.. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunglung Chang. Retrieved from https://idiyas.com/inventor/tsunglung-chang

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

USPTO Granted Patents = 8 

% Patents Active = 75.0

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 12(Granted Patents)


Location History:

  • Guandong, CN (2014)
  • Shenzhen, CN (2014 - 2017)

Company Filing History:


Years Active: 2014-2025

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8 patents (USPTO):Explore Patents

Title: Tsunglung Chang: Innovator in Display Technology

Introduction

Tsunglung Chang is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of display technology, holding a total of 8 patents. His innovative work focuses on enhancing the quality and functionality of display devices.

Latest Patents

Among his latest patents, Tsunglung Chang has developed an array substrate and display device. This invention features an array substrate disposed on a base substrate, with a passivation layer formed on the side of the array substrate away from the base substrate. The passivation layer consists of three dielectric layers stacked in sequence, each with different refractive indices. Another notable patent is for a liquid crystal panel and its cross-shaped spacer structure. This design includes an array substrate, a color filter substrate, and a cross-shaped spacer structure that ensures tight abutment between components, thereby maintaining display quality under external impacts.

Career Highlights

Tsunglung Chang has worked with leading companies in the optoelectronics industry, including Shenzhen China Star Optoelectronics Technology Co., Ltd. and TCL China Star Optoelectronics Technology Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in display technology.

Collaborations

Throughout his career, Tsunglung Chang has collaborated with talented individuals such as Ya-Hui Chen and Xiaolong Ma. These partnerships have fostered a creative environment that has led to innovative solutions in the field.

Conclusion

Tsunglung Chang's contributions to display technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in display devices, ensuring improved quality and functionality for users.

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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