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:
Jun. 25, 2024

Filed:

Jun. 08, 2020
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Jong Hyuk Kang, Suwon-si, KR;

Jin Oh Kwag, Yongin-si, KR;

Won Hee Nam, Hwaseong-si, KR;

Suk Beom You, Anyang-si, KR;

Hyun Min Cho, Seoul, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/11 (2006.01); B41J 2/14 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04593 (2013.01); B41J 2/11 (2013.01); B41J 2/14 (2013.01); B41J 2/17596 (2013.01); B41J 2002/14491 (2013.01);
Abstract

Provided are an inkjet printing device, a method for printing bipolar elements, and a method for manufacturing a display device. The inkjet printing device includes an inkjet head disposed above a stage and including a plurality of nozzles through which ink including bipolar elements each having areas doped with partially different polarities is discharged; an actuator disposed in the inkjet head and adjusting an amount of droplet of the ink discharged through the plurality of nozzles; and at least one sensing part disposed in the inkjet head and measuring a number of bipolar elements discharged through the plurality of nozzles.


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