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:
Mar. 10, 2009
Filed:
Oct. 20, 2004
Tetsuya Yasuda, Hakusan, JP;
Naoaki Hirata, Hakusan, JP;
Tetsuya Yasuda, Hakusan, JP;
Naoaki Hirata, Hakusan, JP;
Eizo Nanao Corporation, Hakusan-Shi, JP;
Abstract
A liquid crystal display monitor comprises an LCD panel, a conversion section, an LUT, a monitor communication section, a light source control section, and a light source. The conversion section comprises an LUT. The LUT comprises, for example, an LUT for red, an LUT for green, and an LUT for blue corresponding to the three primary colors of RGB. A PC is connected to the liquid crystal display monitor, while an optical sensor is attached to a display screen of the LCD panel. On the basis of brightness (white brightness and single color brightness) and white chromaticity having been acquired in a state that a white screen is displayed at a plurality of gradations of display input gradation, a conversion table for a plurality of colors (each color of RGB) is calibrated so that display characteristics of a color display unit is calibrated.