Hsinchu, Taiwan

To-Cheng Fan

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Au Optronics Corporation, Auo Corporation. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: To-Cheng Fan. Retrieved from https://idiyas.com/inventor/to-cheng-fan

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2020-2025

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2 patents (USPTO):Explore Patents

Title: To-Cheng Fan: Innovator in Electroluminescent Technology

Introduction

To-Cheng Fan is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of electroluminescent devices, holding a total of 2 patents. His work focuses on advancing display technologies that utilize electroluminescence.

Latest Patents

To-Cheng Fan's latest patents include an electroluminescent device and a display apparatus applying the same. The electroluminescent device features a first-conductivity-type semiconductor layer, a second-conductivity-type semiconductor layer, an active layer, a first electrode, a second electrode, and an optical conversion material. The active layer is strategically placed between the two semiconductor layers and is electrically connected to them. The first-conductivity-type semiconductor layer has a light-emitting surface with a series of 3D structures that define a cavity filled with optical conversion material.

Another notable patent is a light-emitting device that comprises a substrate, an active device, a first light-shielding layer, a transparent electrode, a second light-shielding layer, a light-converting layer, an electroluminescent structure, and a top electrode. This innovative design includes openings in the light-shielding layers that allow for effective light conversion and emission.

Career Highlights

To-Cheng Fan has worked with notable companies such as AUO Corporation and AU Optronics Corporation. His experience in these organizations has allowed him to refine his expertise in the development of advanced display technologies.

Collaborations

Throughout his career, To-Cheng Fan has collaborated with talented individuals, including Chun-Hsiang Chan and Ting-Wei Tsai. These partnerships have contributed to the successful development of his innovative technologies.

Conclusion

To-Cheng Fan is a distinguished inventor whose work in electroluminescent devices has paved the way for advancements in display technology. His patents reflect a commitment to innovation and excellence 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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