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:
Oct. 21, 2008
Filed:
Apr. 20, 2005
Jong Yoon Jang, Anyang-si, KR;
Yoon Jae Chung, Anyang-si, KR;
Woo Young Ahn, Anyang-si, KR;
Young MI Jeon, Anyang-si, KR;
Yong Seok Han, Anyang-si, KR;
Jong Yoon Jang, Anyang-si, KR;
Yoon Jae Chung, Anyang-si, KR;
Woo Young Ahn, Anyang-si, KR;
Young Mi Jeon, Anyang-si, KR;
Yong Seok Han, Anyang-si, KR;
LG Cable, Ltd., Seoul, KR;
Abstract
The present invention relates to an anisotropic conductive adhesive comprising an anisotropic conductive adhesive combined with a crystalline polymer to realize anisotropic conductivity and PTC (Positive Temperature Coefficient) characteristics at the same time. The anisotropic conductive adhesive having PTC characteristics according to the present invention comprises an insulating adhesive component and a plurality of conductive particles dispersed in adhesive component, in which the insulating adhesive component comprises a crystalline polymer. Since the anisotropic conductive adhesive according to the present invention includes a crystalline polymer, when temperature rises and the volume expands, electrical resistance is rapidly increased, whereby current flow is intercepted resulting in blocking current, providing PTC characteristics acting as a switch. Thus, it shows circuit protection function as well. Accordingly, it is possible to intercept a circuit upon occurrence of excess current without using a separate element for circuit protection such as PTC thermistor.