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:
Oct. 28, 2008
Filed:
Mar. 17, 2005
Kenichi Iwauchi, Matsudo, JP;
Kei Tokui, Chiba, JP;
Yukihisa Takeuchi, Aichi-pref., JP;
Tsutomu Nanataki, Toyoake, JP;
Natsumi Shimogawa, Nagoya, JP;
Isao Shikata, Kasugai, JP;
Kenichi Iwauchi, Matsudo, JP;
Kei Tokui, Chiba, JP;
Yukihisa Takeuchi, Aichi-pref., JP;
Tsutomu Nanataki, Toyoake, JP;
Natsumi Shimogawa, Nagoya, JP;
Isao Shikata, Kasugai, JP;
NGK Insulators, Ltd., Nagoya, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A display device includes an illuminating device having an optical waveguide plate for introducing light thereinto, a drive assembly having a planar array of actuators disposed in facing relation to the optical waveguide plate, a displacement transmitter assembly disposed between the optical waveguide plate and the drive assembly, and a light scattering layer disposed on the displacement transmitter assembly. The actuators are selectively displaceable to bring the light scattering layer into and out of contact with the optical waveguide plate, for controlling light that leaks from the optical waveguide plate as emitted light. The display device also includes an optical modulator for modulating the emitted light from the illuminating device to display an image. The illuminating device has a light reflecting layer disposed on at least a portion of the displacement transmitter assembly that confronts the optical waveguide plate.