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.:
Date of Patent:
Sep. 06, 2011
Filed:
May. 20, 2008
Sang-il Kim, Suwon-si, KR;
Tae-gyun Kim, Suwon-si, KR;
Tae-woon Cha, Seoul, KR;
Sang-kwon Wee, Suwon-si, KR;
Sang-il Kim, Suwon-si, KR;
Tae-gyun Kim, Suwon-si, KR;
Tae-woon Cha, Seoul, KR;
Sang-kwon Wee, Suwon-si, KR;
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Abstract
Provided are an apparatus and method for measuring the thickness of an ink layer in a pixel and a method of controlling nozzles of an inkjet head using the apparatus and method. The apparatus includes: a substrate; a plurality of pixels disposed on the substrate and filled with ink due to a printing operation; first and second electrodes corresponding to the pixels, the first and second electrodes disposed on opposite sides of each of the pixels; and a capacitance measurement circuit electrically connected to the first and second electrodes to measure the capacitance of each of the pixels.