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.

Date of Patent:
Nov. 29, 2022

Filed:

Sep. 30, 2021
Applicant:

Ck Materials Lab Co., Ltd., Seoul, KR;

Inventors:

Hyeong Jun Kim, Seoul, KR;

Jong Hun Lee, Seoul, KR;

Min Kyu Choi, Seoul, KR;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09F 9/37 (2006.01); G09F 27/00 (2006.01);
U.S. Cl.
CPC ...
G09F 9/37 (2013.01); G09F 27/00 (2013.01);
Abstract

The purpose of the present invention is to provide a magnetic fluid display in which a magnetic fluid moves in response to a magnetic field and which may display a unique visual image according to the meeting and parting of the magnetic fluid. A magnetic fluid display according to the present invention comprises: a display unit including a transparent liquid into which a magnetic fluid is injected; and a magnetic field generating unit for applying a magnetic field to the magnetic fluid at a rear surface of the display unit. When the magnetic field is applied, the magnetic fluid moves in the transparent liquid in a directional manner, so that an image may be displayed on the display unit.


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