Seoul, South Korea

Jang-Kun Song

This inventor holds 176 USPTO granted patents and 4 published patent applications and 11 EPO patents, primarily in Liquid Crystal Displays (CPC class G02F1-1337). Top assignees: Samsung Electronics Co., Ltd., Samsung Display Co., Ltd., Sungkyunkwan University. Active years: 2000-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jang-Kun Song. Retrieved from https://idiyas.com/inventor/jang-kun-song

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

USPTO Granted Patents = 176 

% Patents Active = 69.3

 

Average Co-Inventor Count = 1.9

ph-index = 23

Forward Citations = 1,651(Granted Patents)

Forward Citations (Not Self Cited) = 1,372(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yongin, KR (2004 - 2011)
  • Seoul, KR (2000 - 2023)

Company Filing History:


Years Active: 2000-2026

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Areas of Expertise:
Liquid Crystal Display
Thin Film Transistor
Optical Compensation Film
Wide Viewing Angle
Driving Method
Stereoscopic Image
Array Substrate
Display Panel
Variable Width Spacer
High Luminance
Low Luminance
Panel Fabrication
176 patents (USPTO):Explore Patents

Title: Jang-Kun Song: Innovating the Liquid Crystal Display Industry

Introduction:

In the realm of liquid crystal display (LCD) technology, Jang-Kun Song has firmly established himself as a renowned inventor and innovator. With numerous patents to his name, Song has significantly contributed to the development of enhanced picture quality and functionality in the field of flat panel displays. This article delves into his latest patents, career highlights, and notable collaborations.

Latest Patents:

Among his extensive patent portfolio, Song's recent innovations have focused on improving LCD picture quality and display devices. One notable patent is for a "Liquid Crystal Display and Panel Therefor," which introduces a novel approach to achieving enhanced picture quality. The patented display includes subpixels with first and second pixel electrodes that enclose a gap. Additionally, a coupling capacitor is incorporated to manipulate voltages, resulting in different tilt directions of liquid crystal (LC) molecules above each pixel electrode.

Another recent invention is the "Liquid Crystal Display Device." This patent introduces a dual passivation layer composed of two distinct layers with different refractive indices. By manipulating these layers, Song's invention enables improved functionality and performance in LCD devices.

Career Highlights:

During his remarkable career, Jang-Kun Song has collaborated with prestigious companies in the LCD industry. Notably, he has made significant contributions to the research and development efforts at Samsung Electronics Co., Ltd. and Samsung Display Co., Ltd. These companies are renowned for their advancements in display technology, and Song's involvement highlights his prominent role in their success.

Collaborations:

Throughout his career, Jang-Kun Song has worked closely with esteemed colleagues, fostering collaboration and collective innovation. Two notable coworkers who have contributed to Song's advancements are Kyeong-Hyeon Kim and Kye-Hun Lee. Their combined expertise in the field of LCD technology has likely played a crucial role in the development of Song's patented inventions.

Conclusion:

In the ever-evolving world of liquid crystal display technology, Jang-Kun Song stands out as a prolific inventor and contributor. His patents, spanning various aspects of LCD technology, serve as testaments to his expertise and dedication to improving picture quality and device functionality. With a notable career history at Samsung Electronics Co., Ltd. and Samsung Display Co., Ltd., Song has consistently impressed with his collaborative efforts and commitment to innovation. As the LCD industry continues to evolve, the work of inventors like Jang-Kun Song paves the way for even more groundbreaking advancements in display technology.

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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