Patent application number | Description | Published |
20080218659 | WHITE SURFACE LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY - A white surface light source comprising a light diffuser plate and a light source provided on the back side of the light diffuser plate, wherein the light source comprises at lease one LED element which emits lights including a red color, and the light diffuser plate comprises a transparent material and light diffusing particles dispersed in the transparent material, and wherein an absolute value An of a refractive index difference between the transparent material and the light diffusing particles, and a 50% cumulative particle diameter D | 09-11-2008 |
20090066892 | LIGHT DIFFUSER PLATE WITH LIGHT-COLLECTING LAYER, SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a light diffuser plate with a light-collecting layer, which can be sufficiently prevented from flawing and which can ensure a sufficient luminance in a front direction. | 03-12-2009 |
20090161346 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY - The present invention provides a surface light source device capable of emitting light with high uniformity in luminance. | 06-25-2009 |
20090237595 | BRIGHTNESS ENHANCEMENT FILM-LAMINATED LIGHT DIFFUSER PLATE AND METHOD FOR PRODUCING THE SAME - The present invention provides a brightness enhancement film-laminated light diffuser plate which can sufficiently prevent scratching, and also can ensure sufficient brightness. | 09-24-2009 |
20090296024 | LIGHT DIFFUSER PLATE WITH PRIMER LAYER, PROCESS FOR PRODUCING THE SAME, LAMINATED OPTICAL MEMBER, SURFACE LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY - The present invention relates to a light-diffuser-plate-with-primer-layer, which permits lamination of an optical film or the like thereon with a sufficient bonding strength, and a process for producing the same efficiently and at a lower cost. | 12-03-2009 |
20120026428 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device provided with a back light device can relieve lamp images without lowering the utilization efficiency of the light emitted from the back light device. | 02-02-2012 |
20130044278 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device, display with a wide viewing angle and high color reproducibility is achieved and superior contrast is obtained. In addition, a viewing angle is enlarged without using a retarder. The liquid crystal display device comprises a liquid crystal cell | 02-21-2013 |
20130057806 | LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal display device includes a liquid crystal cell, a backlight device, a first light diffusing layer, a first polarizer, and a second light diffusing layer. The first light diffusing layer includes a light diffusing plate and a prism sheet, and has light distribution characteristics such that a luminance value in a direction of 70 degrees with respect to a normal of a light incidence plane of the liquid crystal cell is 20% or less with respect to a luminance value in a direction of the normal. The second light diffusing layer includes a second polarizer and a light diffusing membrane. The backlight device is divided into a plurality of regions and is capable of controlling luminance per region. | 03-07-2013 |
20140009960 | BACKLIGHT DEVICE - In the case where, at first to fourth azimuths being angles of 0°, 45°, 90°, and 135° with respect to a second direction from a light source ( | 01-09-2014 |