Title:
ELECTRONIC CARD INCLUDING A PIEZOELECTRIC CIRCUIT FOR AN LED POWER SOURCE
Document Type and Number:
WIPO Patent Application WO/2011/090230
Kind Code:
A1
Abstract:
The present invention relates to an electronic card including a piezoelectric circuit for an LED power source, said electronic card comprising: a thin electronic circuit including an LED; a flexible printed circuit board including a piezoelectric circuit for supplying power to the electronic circuit; a transparent core resin layer formed on the flexible printed circuit board, and including a light guide pattern for guiding the light emitted by the LED to one side; and an upper cover layer formed on the transparent core resin layer, or relates to an electronic card that enables the light emitted by an LED to be transmitted even to an upper surface or lower surface of the card, so as to variously display one or more patterns selected from among characters, figures, pictures, trademarks and logos on various cards such as contact/contactless electronic cards, financial cards, transportation cards, RFID tag cards and national identification (NID) cards, and have excellent design effects and advertisement effects.
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Inventors:
KANG MIN SOO (KR)
Application Number:
PCT/KR2010/000455
Publication Date:
July 28, 2011
Filing Date:
January 25, 2010
Export Citation:
Assignee:
KANG MIN SOO (KR)
International Classes:
G06K19/07; B42D15/10; B42D109/02
Domestic Patent References:
| WO2008104567A1 | 2008-09-04 |
Foreign References:
| KR20010053466A | 2001-06-25 | |||
| KR200388562Y1 | 2005-06-30 |
Attorney, Agent or Firm:
DAE-A INTERNATIONAL IP & LAW FIRM (KR)
특허법인 대아 (KR)
특허법인 대아 (KR)
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Claims:
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