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Daejeon, South Korea

Lx Semicon Co., Ltd.

USPTO Granted Patents = 267

EPO Patents = 1

Forward Citations = 107

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250 inventors (with patents filed for the assignee):

Jung Won Kang (48 out of 413 patents)

Sung Chang Lim (48 out of 622 patents)

Hyun Suk Ko (45 out of 174 patents)

4. Dong San Jun (45 out of 202 patents)

5. Ha Hyun Lee (45 out of 462 patents)

6. Hui Yong Kim (43 out of 617 patents)

7. Jin Ho Lee (43 out of 561 patents)

8. Ji Won Lee (25 out of 44 patents)

9. Seung Hyun Cho (24 out of 137 patents)

10. Jin Soo Choi (22 out of 445 patents)

11. Jung Bae Yun (14 out of 25 patents)

12. Hyun Kyu Jeon (13 out of 35 patents)

13. Jang Su Kim (12 out of 17 patents)

14. Won Hee Kim (11 out of 47 patents)

15. Jung Min Choi (11 out of 40 patents)

Core Competencies:

Image Encoding

Image Decoding

Display Technology

Touch Sensing

Driving Circuits

Voltage-Controlled Oscillator

Printed Circuit Board

Motor Driver

Data Communication

Backlight Driving

Power Management

LED Driving

267 patents: Sort by Forward Citations

1. 12520435 - Method for manufacturing printed circuit board (2026-01-06),

2. 12519949 - Image encoding/decoding method and apparatus, and recording medium for storing bitstream (2026-01-06),

3. 12519934 - Method and device for encoding/decoding image, and recording medium in which bitstream is stored (2026-01-06),

4. 12518714 - Liquid crystal display drive device and method of driving the same, and image processor (2026-01-06),

5. 12514082 - Driving device and a display device (2025-12-30),

6. 12513304 - Image encoding/decoding method and apparatus, and recording medium for storing bitstream (2025-12-30),

7. 12512844 - Voltage-current conversion circuit, a voltage-controlled oscillator, and a phase-locked loop circuit (2025-12-30),

8. 12506410 - Buck-boost DC/DC converter (2025-12-23),

9. 12505810 - Data driving device, a display driving device, and a display driving method (2025-12-23),

10. 12505010 - Method of transmitting and receiving image signals and image processing device for implementing the same (2025-12-23),

11. 12501035 - Method and device for encoding/decoding image, and recording medium in which bitstream is stored (2025-12-16),

12. 12501034 - Intra prediction method and device (2025-12-16),

13. 12499851 - Buffer and a data driving device (2025-12-16),

14. 12499845 - Source driver for outputting black grayscale voltage selected depending on voltage of pin and control method thereof (2025-12-16),

15. 12499808 - Source drive integrated circuit and display device including the same (2025-12-16),

Company Overview

Lx Semicon Co., Ltd., based in Daejeon, South Korea, specializes in advanced image encoding and decoding technologies. The company focuses on developing innovative solutions in display technology, touch sensing, and driving circuits, catering to various applications in consumer electronics and industrial sectors. Lx Semicon's expertise extends to voltage-controlled oscillators and motor drivers, positioning it as a key player in enhancing visual and interactive experiences across devices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

267 Patents

#13 in Daejeon

#93 in South Korea

#3,291 in the World

Daejeon, South Korea

Lx Semicon Co., Ltd.

Forward Citations = 107

250 inventors:

Jung Won Kang (48 out of 413 patents)

Sung Chang Lim (48 out of 622 patents)

Hyun Suk Ko (45 out of 174 patents)

4. Dong San Jun (45 out of 202 patents)

5. Ha Hyun Lee (45 out of 462 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lx Semicon Co., Ltd.. Retrieved from https://idiyas.com/company/lx-semicon-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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