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For the Inventor, By the Inventor

Hsinchu, Taiwan

Yi-Hwa Song

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: National Tsing Hua University, Au Optronics Corporation, National Research Council of Canada. Active years: 2006-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yi-Hwa Song. Retrieved from https://idiyas.com/inventor/yi-hwa-song

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

USPTO Granted Patents = 5 

% Patents Active = 20.0

Average Co-Inventor Count = 4.9

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Taichung, TW (2006)
  • Hsinchu, TW (2011 - 2021)

Company Filing History:

goldMedal4 out of 1,308 
 
National Tsing Hua University
 patents
silverMedal1 out of 4,577 
 
Au Optronics Corporation
 patents
bronzeMedal1 out of 1,039 
 
National Research Council of Canada
 patents
where one patent can have more than one assignee

Years Active: 2006-2021

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5 patents (USPTO):Explore Patents
1. 11196015 - Display apparatus and manufacturing method thereof (2021-12-07),
2. 8592585 - Phosphorescent iridium complex with non-conjugated cyclometalated ligands, synthetic method of preparing the same and phosphorescent organic light emitting diode thereof (2013-11-26),
3. 8410269 - Phosphorescent iridium complex with non-conjugated cyclometalated ligands, synthetic method of preparing the same and phosphorescent organic light emitting diode thereof (2013-04-02),
4. 8030490 - Phosphorescent iridium complex with non-conjugated cyclometalated ligands, synthetic method of preparing the same and phosphorescent organic light emitting diode thereof (2011-10-04),
5. 7112690 - Volatile noble metal organometallic complexes (2006-09-26),

Title: Yi-Hwa Song: Innovator in Display Technology

Introduction

Yi-Hwa Song is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of display technology, holding a total of 5 patents. His work focuses on innovative methods and materials that enhance the performance and efficiency of display apparatuses.

Latest Patents

Among his latest patents is a display apparatus and its manufacturing method. This invention includes a substrate and a first sub-pixel located on the substrate. The first sub-pixel comprises a first bottom electrode, a first light-emitting layer, and a first top electrode. The first light-emitting layer is strategically positioned on the first bottom electrode and features a first groove structure or a first protrusion structure. Additionally, he has developed a phosphorescent iridium complex with non-conjugated cyclometalated ligands. This complex includes a transition metal and is designed to generate high-efficiency emissions in blue, green, and red colors.

Career Highlights

Yi-Hwa Song has worked with esteemed institutions such as Tsinghua University and the National Research Council of Canada. His experience in these organizations has allowed him to collaborate on various innovative projects that push the boundaries of display technology.

Collaborations

Some of his notable coworkers include Yun Chi and Pi-Tai Chou. Their collaborative efforts have contributed to the advancement of research in the field.

Conclusion

Yi-Hwa Song's contributions to display technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in display apparatuses and materials.

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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