Hsinchu, Taiwan

Chih-Chiang Chen

This inventor holds 27 USPTO granted patents and 3 published patent applications, primarily in Display Technology. Top assignees: Industrial Technology Research Institute, Au Optronics Corporation, Auo Corporation. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chih-Chiang Chen. Retrieved from https://idiyas.com/inventor/chih-chiang-chen-a29xrxj6

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

Calculating rank
USPTO Granted Patents = 27 

% Patents Active = 96.3

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 169(Granted Patents)


Location History:

  • YiLan, TW (2003)
  • Ilan, TW (2004 - 2006)
  • I-Lan Hsien, TW (2002 - 2008)
  • Gueishan Township, Taoyuan County, TW (2008 - 2010)
  • Hsinchu, TW (1993 - 2024)

Company Filing History:


Years Active: 1993-2025

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Areas of Expertise:
Near-Eye Display
Display Device
Head-Up Display
Light-Emitting Device
Polarizer Substrate
Thin Film Transistor
Liquid Crystal Display
Photovoltaic Module
Ink Jet Printing
Organic Photoconductor
High-Refractivity Lens
27 patents (USPTO):Explore Patents

Title: Chih-Chiang Chen: Innovator in Light-Emitting Technologies

Introduction: Chih-Chiang Chen is a prominent inventor based in Hsinchu, Taiwan, with an impressive portfolio of 24 patents to his name. His groundbreaking work primarily focuses on light-emitting devices and related technologies, contributing significantly to advancements in the field.

Latest Patents: Among his latest innovations are two notable patents. The first, titled "Light-emitting device and manufacturing method thereof," describes a sophisticated light-emitting device that includes a first type semiconductor layer, a patterned insulating layer, a light-emitting layer, and a second type semiconductor layer. This device is characterized by a patterned insulating layer that covers the first type semiconductor layer and features a multitude of insulating openings, which are crucial for the functionality of the light-emitting layer.

The second patent, "Polarizer substrate and manufacturing method thereof," details the design of a polarizer substrate. This invention consists of a substrate, a reflective layer, and a metal pattern layer. The reflective layer is designed with distinct transmission and reflective areas, while the metal pattern layer incorporates a polarizer structure comprising multiple grid lines, enhancing the substrate's performance in various applications.

Career Highlights: Chih-Chiang Chen has made waves in the technology sector through his work at the Industrial Technology Research Institute and AU Optronics Corporation. These positions allowed him to develop and refine his innovative ideas, driving forward the capabilities of light-emitting technologies.

Collaborations: Chen has collaborated with esteemed colleagues such as Sheng-Ming Huang and Chia-Hsin Chung, further enriching his work with diverse expertise and insights from his peers in the industry.

Conclusion: Chih-Chiang Chen's contributions to light-emitting technologies not only reflect his inventive spirit but also showcase the potential of innovation in the field. His patents serve as a testament to his dedication and ingenuity, making a lasting impact on the realm of light-emitting devices.

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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