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:
Nov. 13, 2007
Filed:
Jul. 30, 2004
Yasuhisa Shiraishi, Mobara, JP;
Hisao Hirayama, Mobara, JP;
Akio Tezuka, Mobara, JP;
Makoto Hasegawa, Chosei, JP;
Yasuhisa Shiraishi, Mobara, JP;
Hisao Hirayama, Mobara, JP;
Akio Tezuka, Mobara, JP;
Makoto Hasegawa, Chosei, JP;
Hitachi Displays, Ltd., Mobara-Shi, JP;
Hitachi Displays Devices, Ltd., Mobara-Shi, JP;
Abstract
A display device suitable for a game machine has dot printed films which are printed on a light guide plate which constitutes a backlight for illuminating a liquid crystal display panel. The dots of the dot printed films are arranged more densely in a window-frame portion corresponding region, which faces a display region of the liquid crystal display panel, and in the vicinity of an inner periphery of a transmission portion corresponding to a region which faces a transmission region.