Ki-Hyun Lyu

This inventor holds 9 USPTO granted patents. Top assignees: Lg Electronics Inc., Lg Philips Lcd Co., Inc.. Active years: 1999-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ki-Hyun Lyu. Retrieved from https://idiyas.com/inventor/ki-hyun-lyu

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 354(Granted Patents)

Location History:

Kyunggi-do, KR (1999)
Anyang-shi, KR (1999 - 2000)
Kyongki-do, KR (2001 - 2003)
KyungKido, KR (1999 - 2004)

Company Filing History:

Lg Philips Lcd Co., Inc.

patents

Years Active: 1999-2004

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6746959 - Liquid crystal display and method (2004-06-08),

2. 6537843 - Thin film transistor and method of manufacturing the same (2003-03-25),

3. 6329672 - Thin film transistor having a second gate metal layer preventing formation of hillocks (2001-12-11),

4. 6219114 - Liquid crystal display device with reduced source/drain parasitic capacitance and method of fabricating same (2001-04-17),

5. 6100954 - Liquid crystal display with planarizing organic gate insulator and (2000-08-08),

6. 6025605 - Aligned semiconductor structure (2000-02-15),

7. 6001539 - Method for manufacturing liquid crystal display (1999-12-14),

8. 5990998 - Active matrix liquid crystal display and related method (1999-11-23),

9. 5926235 - Active matrix liquid crystal display and method of making (1999-07-20),

Title: Ki-Hyun Lyu: Innovator in Liquid Crystal Display Technology

Introduction

Ki-Hyun Lyu is a prominent inventor based in Kyungki-do, South Korea. He has made significant contributions to the field of liquid crystal display (LCD) technology, holding a total of 9 patents. His innovative approaches have led to advancements in manufacturing processes and improved product yields.

Latest Patents

Among his latest patents, one notable invention is a method for fabricating a thin film transistor (TFT) in an active matrix liquid crystal display (AMLCD). This method reduces the number of mask steps required during fabrication. Specifically, it allows for the simultaneous patterning of source and drain metallizations, as well as doped and undoped semiconductor layers. By etching these components in a single step using an insulating passivation layer as a mask, manufacturing costs can be reduced, and yield can be improved. Another significant patent involves a thin film transistor design that includes an insulating substrate and a semiconductor layer with distinct active and impurity regions. This design features a dual gate metal layer system that prevents hillock formation, enhancing the overall performance of the transistor.

Career Highlights

Ki-Hyun Lyu has worked with notable companies in the electronics sector, including LG Electronics Inc. and LG Philips LCD Co., Inc. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to the advancement of display technologies.

Collaborations

Throughout his career, Ki-Hyun Lyu has collaborated with talented individuals such as Jeong-Hyun Kim and Kwang-Jo Hwang. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of liquid crystal displays.

Conclusion

Ki-Hyun Lyu's contributions to liquid crystal display technology have made a significant impact on the industry. His innovative patents and collaborative efforts continue to shape the future of display technologies.

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]