Samsung Display Co., Ltd. vs. Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Explore the PTAB proceeding IPR2026-00486 filed by Samsung Display Co., Ltd. on 2026-09-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00486

Filing Date

2026-09-17

Accorded Filing Date

2026-09-17

Institution Decision Date

—

Last Modified Date

2026-10-13

Proceeding Type

IPR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

Samsung Display Co., Ltd.

Represented By

HABER, BENJAMINet al

Patent Owner / Respondent

Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Represented By

Shapiro, Jasonet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 17419713

Respondent Patent Number 11957031

External Links

Espacenet

Google Patents

Respondent Inventor Jing Zhou

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

3 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name PVIP - Wei Te Chung

Customer Number 168853

Address 1079 Lancer Drive, San Jose, CA, 95129, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
43325	Wei Chung	408-253-9926
68711	Ude Lu	301-571-9300
69448	Christopher Ruprecht	816-591-2442

Proceeding Documents

Notice: Mandatory Notice NOTICE

2026-10-08 FILING PARTY: PATENT OWNER

Download

Notice: Power of Attorney NOTICE

2026-10-08 FILING PARTY: PATENT OWNER

Download

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

2026-09-22 FILING PARTY: BOARD

Download

1003

Curriculum Vitae of Dr. Michael Lebby Exhibit

2026-09-17 FILING PARTY: PETITIONER

Download

1009

Translation of Korean Patent Publication No. 2019/0005703 to Lee (Lee’703) Exhibit

2026-09-17 FILING PARTY: PETITIONER

Download

Samsung Display Co., Ltd. vs. Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

Samsung Display Co., Ltd.

Represented By

Patent Owner / Respondent

Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Curriculum Vitae of Dr. Michael Lebby Exhibit

Translation of Korean Patent Publication No. 2019/0005703 to Lee (Lee’703) Exhibit

Claim mapping table for the ’031 Patent Exhibit

U.S. Patent No. 11,686,883 to Kim (“Kim’883”) Exhibit

Certified translation of Korean Patent Publication No. 2019/0078835 to Lee Exhibit

Declaration of Dr. Michael Lebby Exhibit

Petition for Inter Partes Review of U.S. Patent No. 11,957,031 PETITION

Korean Patent Application No. 2021/0052532 to Lee Exhibit

Petitioner Samsung Display Co., Ltd.'s Power of Attorney NOTICE

U.S. Patent Publication No. 2017/0047547 to Son (“Son”) Exhibit

Prosecution History of U.S. Patent No. 11,957,031 Exhibit

U.S. Patent Publication No. 2017/0262109 to Choi (“Choi”) Exhibit

U.S. Patent Publication No. 2019/0096975 to Park (“Park”) Exhibit

U.S. Patent No. 10,651,246 to Park (“Park’246”) Exhibit

U.S. Patent No. 12,527,206 to Onoue (“Onoue”) Exhibit

PCT Patent Publication No. WO2022/051943 to Luo (“Luo”) Exhibit

U.S. Patent No. 12,507,538 to Lee (“Lee’538”) Exhibit

Chinese Patent No. 112,786,807 to Zeng Exhibit

U.S. Patent No. 11,537,226 to Lee (“Lee’226”) Exhibit

U.S. Patent Publication No. 2020/0403039 to Park (“Park’039”) Exhibit

U.S. Patent No. 10,777,101 to Park (“Park’101”) Exhibit

Certified translation of Chinese Patent No. 112,786,807 to Zeng Exhibit

U.S. Patent No. 11,957,031 (“the ’031 Patent”) Exhibit

U.S. Patent Publication No. 2019/0221774 to Jeon (“Jeon”) Exhibit

Translation of Korean Patent Application No. 2021/0052532 to Lee (Lee’532) Exhibit

Chuan X. Xu et al., Foldable AMOLED Display Utilizing Novel COE Structure Exhibit

Gregory P. Crawford, Flexible Flat Panel Displays (2005) Exhibit

U.S. Patent Publication No. 2024/0269956 to Kang (“Kang”) Exhibit

U.S. Patent No. 10,840,476 to Lee (“Lee’476”) Exhibit

Korean Patent Publication No. 2019/0005703 to Lee Exhibit

U.S. Patent No. 12,108,621 to Lee (“Lee’621”) Exhibit

Korean Patent Publication No. 2019/0078835 to Lee Exhibit

U.S. Patent No. 10,826,003 to Um (“Um”) Exhibit

U.S. Patent No. 9,780,157 to Kwon (“Kwon”) Exhibit

U.S. Patent Publication No. 2022/0061168 to Shin (“Shin”) Exhibit