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. 22, 2003
Filed:
Jan. 07, 1999
Susumu Onodera, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A liquid crystal display in which the construction of an inverter is not complex and which can change the luminance wider than the changeable range of regulating light of the inverter is provided. An image is formed at a display control circuit and the gradations of the image is converted at a luminance regulating circuit and the converted image is inputted to a liquid crystal display section. The liquid crystal display section displays the image on a panel controlling by image data inputted a backlight which is controlled by changing an effective value of a tube current in an inverter. The luminance regulating circuit controls display gradations responding to a user setting value.