Pleasanton, CA, United States of America

Yi Li

This inventor holds 42 USPTO granted patents and 4 published patent applications and 2 EPO patents, primarily in Light Source Technology. Top assignees: Appotronics Corporation Limited, Appotronics China Corporation, Ylx Corporation. Active years: 2009-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yi Li. Retrieved from https://idiyas.com/inventor/yi-li-o9d1gyuu

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

USPTO Granted Patents = 42 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 207(Granted Patents)


Company Filing History:


Years Active: 2009-2021

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Areas of Expertise:
Light Emitting Device
Projection System
Wavelength Conversion
Optical Components
Spatial Light Modulators
Phosphor Layer
Illumination Devices
High Luminance
Solid State
Control Method
Color Filters
Backlight Sources
42 patents (USPTO):Explore Patents

Title: Yi Li - Innovator in Light Emitting Devices

Introduction

Yi Li is an accomplished inventor based in Pleasanton, California, known for his significant contributions to the field of light emitting devices. With an impressive portfolio of 42 patents, he has developed innovative solutions that enhance the efficiency and functionality of lighting technologies.

Latest Patents

Among Yi Li's latest patents are groundbreaking inventions that focus on light emitting devices. One notable patent describes a light emitting device consisting of a coherent source that generates coherent light, paired with a diffuser and light guide part. The invention details how the diffusing element with first and second surfaces disperses coherent light into incoherent light, creating distinct light paths. Furthermore, his phosphor layer patent involves a phosphor plate made from phosphor powder and an adhesive agent, designed to improve performance under high temperature conditions. This invention includes additional components such as a corresponding light source and a projection system, showcasing his comprehensive approach to innovation.

Career Highlights

Yi Li has had a prominent career in the tech industry, holding positions at reputable firms, including Appotronics Corporation Limited and Appotronics China Corporation. His work at these companies has played a crucial role in advancing light emitting technologies, enabling more efficient and effective lighting solutions for various applications.

Collaborations

Throughout his career, Yi Li has collaborated with talented coworkers, such as Yi Yang and Fei Hu. These partnerships have fostered an environment of innovation, allowing the team to brainstorm and develop cutting-edge technologies that advance the industry.

Conclusion

In summary, Yi Li's contributions to the realm of lighting innovation demonstrate his expertise and commitment to pushing the boundaries of technology. With a robust portfolio of patents and valuable collaborations, he continues to influence the development of more effective and efficient light emitting devices. His work not only enhances our current understanding of light technology but also paves the way for future advancements in this essential 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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