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For the Inventor, By the Inventor

Suwon, South Korea

Im-Su Choi

This inventor holds 10 USPTO granted patents and 2 published patent applications. Top assignee: Samsung Sdi Co., Inc.. Active years: 2005-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Im-Su Choi. Retrieved from https://idiyas.com/inventor/im-su-choi

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

USPTO Granted Patents = 10 

% Patents Active = 10.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Yangsan, KR (2005 - 2009)
  • Suwon-si, KR (2008 - 2012)

Company Filing History:

goldMedal10 out of 7,663 
 
Samsung Sdi Co., Inc.
 patents

Years Active: 2005-2012

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10 patents (USPTO):Explore Patents
1. 8334855 - Electronic pen for detecting touch location and method and apparatus for detecting touch location (2012-12-18),
2. 7595772 - Plasma display panel method and apparatus for preventing after-image on the plasma display panel (2009-09-29),
3. 7583242 - Plasma display panel, and apparatus and method for driving the same (2009-09-01),
4. 7576715 - Multi-gray-scale image display method and apparatus thereof (2009-08-18),
5. 7423613 - Method and apparatus to automatically control power of address data for plasma display panel, and plasma display panel including the apparatus (2008-09-09),
6. 7355570 - Method of expressing gray level of high load image and plasma display panel driving apparatus using the method (2008-04-08),
7. 7327333 - Method and apparatus for reducing flicker when displaying pictures on a plasma display panel (2008-02-05),
8. 7233300 - Apparatus and method for displaying gray scales of plasma display panel (2007-06-19),
9. 7006059 - Multi-gray-scale image display method and apparatus thereof (2006-02-28),
10. 6972740 - Plasma display panel method and apparatus for preventing after-image on the plasma display panel (2005-12-06),

Title: Im-Su Choi: Innovator in Touch Detection Technology

Introduction

Im-Su Choi is a prominent inventor based in Suwon, South Korea. He has made significant contributions to the field of touch detection technology, holding a total of 10 patents. His innovative work has paved the way for advancements in electronic devices, particularly in the realm of display technology.

Latest Patents

Among his latest patents, Im-Su Choi has developed an electronic pen designed for detecting touch locations on display panels. This electronic pen utilizes infrared rays generated by the display panel, incorporating an infrared sensor that detects these rays and generates a detection signal. The device also features an amplifying unit to enhance the detection signal, a low pass filter to eliminate high-frequency elements, and a location detecting unit that identifies the touched location based on the filtered signal.

Another notable patent addresses the prevention of after-images on plasma display panels. This invention includes a method and apparatus that calculates the average signal levels of current and previous frames. By comparing these levels with the input picture data, an attenuation coefficient is generated to adjust the picture data, effectively preventing after-image phenomena on plasma display panels.

Career Highlights

Im-Su Choi is currently employed at Samsung SDI Co., Inc., where he continues to innovate and contribute to the development of cutting-edge technologies. His work has been instrumental in enhancing user experiences with electronic devices.

Collaborations

Throughout his career, Im-Su Choi has collaborated with talented coworkers, including Soo-Jin Lee and Mi-Young Joo. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Im-Su Choi's contributions to touch detection technology and display innovations have established him as a key figure in the field. His patents reflect a commitment to improving user interaction with electronic devices, ensuring that his work will have a lasting impact on the industry.

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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