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:
Jul. 29, 2014
Filed:
Nov. 26, 2008
Keiji Hayashi, Osaka, JP;
Keiji Hayashi, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
It is an object of the present invention to provide a display device in which the color purity of red display can be improved and also to provide an electric apparatus using the same. A controller () of the display device is provided with an illumination control part () that turns on a light-emitting diode (first light source) (C) to emit a cyan light during the former half of one frame time period and turns on a light-emitting diode (second light source) (M) to emit a magenta light during the latter half of the one frame time period. In addition, a video signal converting part () is provided to a panel control part (display control part). The video signal converting partconverts an inputted video signal to video signals for the former half and the latter half of the one frame time period, on the basis of the inputted video signal and the colors of the lights in the former half and the latter half of the one frame time period. The present invention is applicable to, for example, a television receiver having a transmission type liquid crystal display device.