Union City, CA, United States of America

Xiao-Chang Charles Li

This inventor holds 16 USPTO granted patents, primarily in Organic Light Emitting Devices. Top assignees: Canon Kabushiki Kaisha, Cambridge Display Technology Limited. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Xiao-Chang Charles Li. Retrieved from https://idiyas.com/inventor/xiao-chang-charles-li

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 37.5

Average Co-Inventor Count = 2.1

ph-index = 10

Forward Citations = 317(Granted Patents)

Location History:

Sunnyvale, CA (US) (2002)
Ewing, NJ (US) (2004)
Union City, CA (US) (2003 - 2005)

Company Filing History:

15 out of 93,136

Canon Kabushiki Kaisha

patents

1 out of 335

Cambridge Display Technology Limited

patents

Years Active: 2002-2005

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Areas of Expertise:

Electroluminescent Devices

Pyrene Derivatives

Charge Transport Material

Hole Injection Materials

Fused Conjugated Compounds

Host-Guest Bonding

Opto-Electronic Devices

Deuterated Compounds

Conjugated Polymers

Luminescent Ink

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6872475 - Binaphthalene derivatives for organic electro-luminescent devices (2005-03-29),

2. 6853134 - Anode structure for organic light emitting device (2005-02-08),

3. 6852429 - Organic electroluminescent device based on pyrene derivatives (2005-02-08),

4. 6841270 - Organic light-emitting device having pyrylium salt as charge transport material (2005-01-11),

5. 6830834 - Organic light emitting devices with host-guest bonding (2004-12-14),

6. 6830833 - Organic light-emitting device based on fused conjugated compounds (2004-12-14),

7. 6830830 - Semiconducting hole injection materials for organic light emitting devices (2004-12-14),

8. 6723445 - Organic light-emitting devices (2004-04-20),

9. 6713781 - Organic light-emitting device having phenanthroline-fused phenazine (2004-03-30),

10. 6699599 - Deuterated semi-conducting organic compounds used for opto-electronic devices (2004-03-02),

11. 6686067 - Deuterated semi-conducting organic compounds used for opto-electronic devices (2004-02-03),

12. 6677060 - Deuterated semi-conducting organic compounds used for opto-electronic devices (2004-01-13),

13. 6626566 - Compounds for electronic devices (2003-09-30),

14. 6579630 - Deuterated semiconducting organic compounds used for opto-electronic devices (2003-06-17),

15. 6399224 - Conjugated polymers with tunable charge injection ability (2002-06-04),

Title: Innovations of Xiao-Chang Charles Li

Introduction

Xiao-Chang Charles Li is a prominent inventor based in Union City, CA, known for his significant contributions to the field of organic light-emitting devices (OLEDs). With a total of 16 patents to his name, he has made remarkable advancements in the development of materials and technologies that enhance the performance of OLEDs.

Latest Patents

Among his latest patents are innovations such as "Binaphthalene derivatives for organic electro-luminescent devices." This invention relates to an organic light-emitting device where a binaphthalene derivative is utilized as the emissive layer or within the charge transport layers. Another notable patent is "Organic electroluminescent device based on pyrene derivatives," which describes a pyrene-based compound used in OLEDs. This compound can serve as a host or dopant material in the emissive layers, hole transport layers, or electron transport layers of the device.

Career Highlights

Throughout his career, Xiao-Chang Charles Li has worked with notable companies, including Canon Kabushiki Kaisha and Cambridge Display Technology Limited. His work has significantly impacted the development of OLED technology, making it more efficient and effective for various applications.

Collaborations

He has collaborated with esteemed colleagues such as Kazunori Ueno and Jian Ping Chen, contributing to the advancement of research and innovation in the field of organic electronics.

Conclusion

Xiao-Chang Charles Li's contributions to OLED technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the future of organic light-emitting devices and their applications.

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]