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For the Inventor, By the Inventor

Taichung, Taiwan

Worldled Co., Ltd.


USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 49

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6 inventors (with patents filed for the assignee):

goldMedal Ching-Ian Chao (2 out of 15 patents)

silverMedal En-Chung Chang (2 out of 4 patents)

bronzeMedal Chun-Te Lu (1 out of 4 patents)

4.  Chia Kuo Yen (1 out of 1 patent)

5.  Ching Ian Chao (1 out of 1 patent)

6.  Shih-Kuei Lo (1 out of 1 patent)


3 patents:

1. 7663299 - Full-color organic electroluminescence display panel having sub pixel regions (2010-02-16),
2. 7285912 - Organic electroluminescence device having transparent control layer with low ambient reflection and enhanced contrast (2007-10-23),
3. 7030552 - Dual-screen organic electroluminescent display (2006-04-18),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#397 in Taichung

#3,307 in Taiwan

Taichung, TW
Taichung, Taiwan

Worldled Co., Ltd.

Forward Citations = 49

6 inventors:

goldMedal Ching-Ian Chao (2 out of 15 patents)

silverMedal En-Chung Chang (2 out of 4 patents)

bronzeMedal Chun-Te Lu (1 out of 4 patents)

4.  Chia Kuo Yen (1 out of 1 patent)

5.  Ching Ian Chao (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Worldled Co., Ltd.. Retrieved from https://idiyas.com/company/worldled-company

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

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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