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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12484434 B1

PDFFull Text
Date of Patent:
Nov. 25, 2025

Filed:

Dec. 18, 2023

Display device including inner and outer rollers

Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Byunghee Kim, Anyang-si, KR;

Eunsup Yoon, Paju-si, KR;

Yongsuk Kim, Paju-si, KR;

Laebong Jang, Incheon, KR;

Assignee:

LG DISPLAY CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Abhishek M Rathod

Int. Cl.
CPC ...
H05K 1/02 (2006.01); H10K 59/131 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 77/111 (2023.02); H05K 1/028 (2013.01); H10K 59/131 (2023.02); H05K 2201/10128 (2013.01); H10K 2102/311 (2023.02); H10K 2102/341 (2023.02);
Abstract

A display device in one example includes a display unit, an outer roller configured to wind or unwind the display unit and including an inner circumferential surface having a spiral groove, an inner roller disposed in the outer roller and including an outer circumferential surface having a straight groove, a plurality of conductive balls disposed between the outer roller and the inner roller, and a roller connection unit interlinking rotations of the outer roller and the inner roller. The display unit can include a display panel and a back cover supporting a rear surface of the display panel. Further, the plurality of conductive balls can be configured to move along the spiral groove when the display unit is wound or unwound.

Find Patent Forward Citations

Kim, Byunghee. (2025). Display device including inner and outer rollers (U.S. Patent No. 12484434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12484434

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

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