Hsinchu, Taiwan

Ching-Tai Cheng

This inventor holds 30 USPTO granted patents and 11 published patent applications, primarily in Light-Emitting Devices. Top assignees: Epistar Corporation, Yenrich Technology Corporation, Semileds Optoelectronics Co., Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ching-Tai Cheng. Retrieved from https://idiyas.com/inventor/ching-tai-cheng

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

USPTO Granted Patents = 30 

% Patents Active = 93.3

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Light-Emitting Element
Manufacturing Method
Light-Emitting Device
LED Display
Backlight Module
Wavelength Conversion
Thermal Conductivity
Solid State Lighting
LED Package
Viewing Angle Optimization
Semiconductor Device
Light-Emitting Areas
30 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Ching-Tai Cheng

Introduction: Ching-Tai Cheng, based in Hsinchu, Taiwan, is a prominent inventor known for his significant contributions to the field of display technology. With a remarkable portfolio of 27 patents, Cheng has demonstrated his commitment to innovation in modern electronics.

Latest Patents: Among his recent inventions, Cheng has developed an LED display device that enhances light distribution and efficiency. This device comprises a first and second light-emitting module, each containing multiple LED dies, reflective layers, and light-transmissive layers. Notably, the light-transmissive layers feature rough uppermost surfaces to optimize performance. Furthermore, both modules maintain a minimal standard deviation in reflectivity, enhancing visual consistency across displays. Another notable patent includes a backlight module designed with a substrate, conductive layer, and a pattern layer that aligns with the LED chips. This innovative structure ensures effective light permeation and improved display quality.

Career Highlights: Cheng has worked with leading companies in the electronics industry, including Epistar Corporation and Yenrich Technology Corporation. His role in these organizations has significantly influenced the development of advanced LED technologies, positioning him as a key player in the industry.

Collaborations: Cheng's innovative journey has been bolstered by his collaborations with talented individuals such as Yih-Hua Renn and Chun-Hua Shih. Together, they have contributed to various projects that exemplify cutting-edge technology and design.

Conclusion: Ching-Tai Cheng stands out as an influential inventor whose work in LED technology has paved the way for enhanced display devices. His 27 patents reflect his dedication to innovation and his ability to collaborate effectively with peers in the industry. Cheng's contributions continue to shape the future of electronic displays, making him a notable figure in the 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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