Hong-Sick Park

This inventor holds 62 USPTO granted patents and 9 published patent applications and 4 EPO patents, primarily in Display Technology (CPC class H01L). Top assignees: Samsung Electronics Co., Ltd., Samsung Display Co., Ltd., Dongwoo Fine-Chem Co., Ltd.. Active years: 2002-2024.

USPTO Granted Patents = 62 (Patent Applications = 9)

% Patents Active = 82.3

EPO Patents = 4 (Patent Applications = 3)

Average Co-Inventor Count = 4.2

ph-index = 7

Forward Citations = 173(Granted Patents)

Forward Citations (Not Self Cited) = 152(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kyungki-do, KR (2002 - 2006)
Yongin-si, KR (2008)
Gyeonggi-do, KR (2008 - 2013)
Suwon-si, KR (2007 - 2016)
Yongin, KR (2003 - 2017)
Yeongtong-gu, KR (2024)

Company Filing History:

39 out of 132,108

Samsung Electronics Co., Ltd.

patents

23 out of 27,288

Samsung Display Co., Ltd.

patents

5 out of 382

Dongwoo Fine-Chem Co., Ltd.

Techno Semichem Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2002-2024

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Areas of Expertise:

Display Substrate

Thin Film Transistor

Etchant Composition

Manufacturing Method

Photoresist Stripper

Metal Wiring

Electrode Etching

Liquid Crystal Display

Conductive Layer

Array Substrate

Patterning Structures

Signal Line

62 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12080721 - Display substrate, manufacturing method therefor, and display device including same (2024-09-03),

2. 9741827 - Etchant and method of manufacturing display device by using the same (2017-08-22),

3. 9347125 - Etchant composition and method of forming metal wire and thin film transistor array panel using the same (2016-05-24),

4. 9293565 - Etchant composition and method of manufacturing metal wiring and thin film transistor substrate using the etchant (2016-03-22),

5. 9257456 - Method of forming a metal pattern and method of manufacturing a display substrate (2016-02-09),

6. 9111813 - Etchant, display device and method for manufacturing display device using the same (2015-08-18),

7. 9062244 - Etching composition and method of manufacturing a display substrate using the system (2015-06-23),

8. 9045833 - Etchant composition and method of forming metal wire and thin film transistor array panel using the same (2015-06-02),

9. 8921230 - Etchant composition, and method of manufacturing a display substrate using the same (2014-12-30),

10. 8894876 - Etchant for electrode and method of fabricating thin film transistor array panel using the same (2014-11-25),

11. 8866998 - Display substrate and method of manufacturing the same (2014-10-21),

12. 8785935 - Etchant, display device and method for manufacturing display device using the same (2014-07-22),

13. 8755019 - Method for manufacturing a liquid crystal display (2014-06-17),

14. 8637399 - Etching composition, method of forming a metal pattern and method of manufacturing a display substrate (2014-01-28),

15. 8623773 - Etchant for metal layer including copper or a copper alloy, method of manufacturing a display substrate using the same and display substrate (2014-01-07),

Title: Innovations and Contributions of Hong-Sick Park in Display Technology

Introduction: Hong-Sick Park, based in Suwon-si, South Korea, is a prominent inventor with an impressive portfolio of 62 patents. His work primarily focuses on display technologies, making significant contributions to the field through innovative designs and manufacturing methods.

Latest Patents: Hong-Sick Park's most recent patents reflect his expertise in display substrates and manufacturing processes. One notable patent involves a display substrate that includes a substrate and wiring, featuring a metal oxide layer with tantalum (Ta), niobium (Nb), and titanium (Ti). This design also incorporates a copper (Cu) metal layer, with the oxide layer's thickness ranging from approximately 30 angstroms (Å) to about 50 Å. Another critical invention is an etchant composition significant for manufacturing display devices, combining various chemical compounds including persulfate, fluoride, and copper salt to achieve optimal performance.

Career Highlights: Throughout his career, Hong-Sick Park has made remarkable strides in the technology sector. He has worked with well-known companies such as Samsung Electronics Co., Ltd. and Samsung Display Co., Ltd., where he has actively contributed to cutting-edge display technologies and product innovations.

Collaborations: Hong-Sick Park has collaborated with esteemed professionals in the field, notably Jong-Hyun Choung and Bong-Kyun Kim. Together, they have advanced research and innovations that are pivotal in display technology development.

Conclusion: With a depth of expertise demonstrated through numerous patents and collaborations, Hong-Sick Park continues to be a driving force in the display technology landscape. His innovations not only enhance existing technologies but also pave the way for future advancements in the industry.