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:
Jun. 29, 2021
Filed:
Dec. 18, 2016
Kyonggi University Industry & Academia Cooperation Foundation, Gyeonggi-do, KR;
Sang Hyun Ju, Gyeonggi-do, KR;
Kyonggi University Industry & Academia Cooperation Foundation, Gyeonggi-do, KR;
Abstract
Disclosed is an invisible display device driving a display by using wavelengths of a region invisible to humans, thereby being capable of containing pieces of information, which humans no need to see but is necessary for a special purpose including socio-economic activities, and pieces of security information, which normal people should not see, and the invisible display device has a plurality of pixels arranged therein so as to emit infrared rays, wherein each of the plurality of pixels comprising: a first infrared sub pixel for emitting a first infrared ray of a first wavelength range; a second infrared sub pixel for emitting a second infrared ray of a second wavelength range different from the first wavelength range; and a third infrared sub pixel for emitting a third infrared ray of a third wavelength range different from the first and second wavelength ranges.