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:
May. 17, 2011
Filed:
Oct. 12, 2006
Mats Kleverman, Helsingborg, SE;
Gunnar Klinghult, Lund, SE;
Mats Kleverman, Helsingborg, SE;
Gunnar Klinghult, Lund, SE;
Sony Ericsson Mobile Communications AB, Lund, SE;
Abstract
The invention is directed towards an information presenting device and a portable electronic device including such an information presenting device. The information presenting device () comprises a first information layer () having a first information presentation structure () of photo chromatic material changing appearance when irradiated by light () of a specific wavelength, a second information layer () having a second information presentation structure (), and a first light source () illuminating the second information layer for presenting the second information presentation structure, wherein the first information layer is of a material that is transparent for light emanating at least from the first light source when the first layer is not exposed to light of said specific wavelength.