| Patent Number |
Title Of Patent |
Date Issued |
| 7427522 |
Short-wavelength laser module and method of producing the same |
September 23, 2008 |
| In a short-wavelength laser module, long-term reliability is lost because of unnecessary gas deposited on the end face of its optical waveguide. A short-wavelength laser module has a package structure wherein a package lid used when the short-wavelength laser module is hermetically seale |
| 7399084 |
Laser image display apparatus |
July 15, 2008 |
| A light diffuser containing light diffusing elements is arranged in the most appropriate position between a spatial light modulator and an illumination optical system. Thereby, particles as light diffusing elements diffuse rays of light emitted from a laser light source. Accordingly, |
| 7370972 |
Two-dimensional image display device |
May 13, 2008 |
| In a two-dimensional image display device, speckle noise is reduced by a simple construction. A two-dimensional image display device for displaying an image by projecting coherent light onto a projection plane is provided with at least one coherent light source (1a), (1b), (1c) for o |
| 7304880 |
Electric switch and memory device using the same |
December 4, 2007 |
| An electric switch includes a ferroelectric substrate to which metal is added, a pair of electrodes provided on the ferroelectric substrate, and an electric field applying portion for changing the direction of polarization in part of the ferroelectric substrate. |
| 7230753 |
Method for forming domain-inverted structure and optical element with domain-inverted structure |
June 12, 2007 |
| A method for forming a domain-inverted structure includes the following: using a ferroelectric substrate (1) having a principal surface substantially perpendicular to the Z axis of crystals; providing a first electrode (3) on the principal surface of the ferroelectric substrate, the |
| 6847660 |
Short-wavelength laser module and method of producing the same |
January 25, 2005 |
| In a short-wavelength laser module, long-term reliability is lost because of unnecessary gas deposited on the end face of its optical waveguide.A short-wavelength laser module has a package structure wherein a package lid used when the short-wavelength laser module is hermetically sealed |
| 6829080 |
Optical waveguide device and light source and optical apparatus using the same |
December 7, 2004 |
| An optical waveguide device is provided that can reduce external interference noise. The optical waveguide device includes a substrate, an optical waveguide formed on the substrate, a periodic polarization inversion region formed on the optical waveguide, and an optical thin film for |
