| Patent Number |
Title Of Patent |
Date Issued |
| 7144146 |
Transparent substrate for area light emitting device, a method for producing transparent substra |
December 5, 2006 |
| A transparent substrate used for an area light emitting device. The transparent substrate comprises a light incidence surface and a light exit surface opposite to the light incidence surface. A plurality of recesses are formed on the light exit surface bulged towards the light incide |
| 6969187 |
Light guiding plate for front light |
November 29, 2005 |
| A light guiding plate guides light from a light source and irradiates the light onto a display portion. The light guiding plate has an exit plate facing the display portion, and a reflection-exit plane opposite to the exit plane. The reflection-exit plane has a first end intersecting an |
| 6871976 |
Wedge plate type light guiding plate for front light |
March 29, 2005 |
| A light guiding plate guides light from a light source and irradiates the light onto a display portion. The light guiding plate has an incidence plane, which permits light to enter the light guiding plate, an opposite and plane opposite to the incidence plane an exit plane facing the dis |
| 6836368 |
Wedge plate type light guiding plate for front light and method for manufacturing the light guid |
December 28, 2004 |
| A light guiding plate guides light from a light source and irradiates the light onto a display portion. The light guiding plate has an incidence plane, an opposite end plane opposite to the incidence plane, an exit plane facing the display portion, and a reflection-exit plane opposite to |
| 6607279 |
Light guiding plate |
August 19, 2003 |
| A light guiding plate guides light from a light source to illuminate a liquid crystal cell. A reflector reflects light from the light source. A first surface and a second surface selectively transmits or reflects light. A first region is formed on the first surface at a location that is |
| 5770334 |
Crack-proof-structured battery |
June 23, 1998 |
| A nickel-hydrogen battery is designed to have, in its battery container, electrode plates welded and connected onto a lead conductor. With the configuration, the edge of the end portion of the lead conductor welded onto the electrode plate can be formed as a combination of concave and |
