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:
Jan. 03, 2023
Filed:
Jun. 29, 2018
Jeju National University Industry-academic Cooperation Foundation, Jeju-si, KR;
Sang jae Kim, Jeju-si, KR;
Arunkumar Chandrasekhar, Jeju-si, KR;
Abstract
The present invention relates to a self-powered toy comprising a power generation unit and a display unit electrically connected to the power generation unit, the power generation unit comprising a first electrode located on a first support layer; a first structure including a charge acquisition layer located on the first electrode; a second structure including a second electrode located on a second support layer; and a gap between the charge acquisition layer of the first structure and the second electrode of the second structure, which at least partially face each other. The gap is removed by an external force directly or indirectly applied to the first structure, the second structure, or both thereof and is formed again when the external force is removed, and the display unit is driven by power generated by the power generation unit according to the removal and formation of the gap.