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:
Jan. 09, 2007
Filed:
Jul. 26, 2001
Mitsuhiro Shimazu, Hiratsuka, JP;
Masamichi Ueda, Tokyo, JP;
Kenji Kooriyama, Hirakata, JP;
Yuuichi Iwamoto, Neyagawa, JP;
Mitsuhiro Shimazu, Hiratsuka, JP;
Masamichi Ueda, Tokyo, JP;
Kenji Kooriyama, Hirakata, JP;
Yuuichi Iwamoto, Neyagawa, JP;
Komatsu Ltd., Tokyo, JP;
Abstract
A display device that has a display screen is disclosed that has the ability to prevent reflections of the display screen from appearing on glass, without lowering the visibility of a display portion of the display screen. The brightness of the display color of either the background portionon a display screenor the background portionof such one of display portionsandas occupies the larger area of the lit portion of the display screenis changed according to the control of a control switch. If the brightness of the display color of the background portionis lowered (from the 'thin light blue' to the 'thick light blue', for example) at the nighttime, its reflection on the glass around a cabincan be reduced without lowering the luminance of the display screen. Alternatively, the saturation or hue of the display color can be changed to obtain a similar effect.