| Patent Number |
Title Of Patent |
Date Issued |
| 7192175 |
Backlighting light pipe for illuminating a flat-panel display |
March 20, 2007 |
| A light pipe includes a surface provided with a pattern that has diffractive properties, where the pattern has uniform, mutually different areas on the surface such that some of the areas are configured to distribute light from a light input end of the light pipe to form macroscopica |
| 7149385 |
Optical coupling arrangement |
December 12, 2006 |
| The invention relates to a method and an apparatus for manufacturing an optical coupling arrangement, and a specific coupling arrangement. A substrate waveguide (306) and at least one coupling element (304, 306) in the coupling arrangement are made of polymer material in the same rep |
| 7114820 |
Backlighting light pipe for illuminating a flat-panel display |
October 3, 2006 |
| The invention relates to a new light pipe (313) for providing backlighting (312) of a flat-panel display (311) by means of at least one light source so that the light pipe has at least one surface which comprises patterns. The patterns have diffraction properties for conducting the light |
| 6888676 |
Method of making polarizer and antireflection microstructure for mobile phone display and window |
May 3, 2005 |
| A method of producing an antireflection structure for use on a display or a window surface or both in an electronic device, such as a mobile phone. The display can be an LCD with a top polarizer and a bottom polarizer. The antireflection structure is imparted on the top polarizer by a ro |
| 6598987 |
Method and apparatus for distributing light to the user interface of an electronic device |
July 29, 2003 |
| A system and method is described for distributing light within a light guide which is used for illuminating the user interface of an electronic device. The light guide is formed as a thin film and impressed with a pattern of input and output diffraction gratings to control the transm |
| 6592233 |
Lighting device for non-emissive displays |
July 15, 2003 |
| A method and device for improving lighting of a display having a top surface for viewing. The device includes a light guiding panel located substantially on the top surface of the display and at least one linear light source located adjacent to the light guiding panel for providing l |
| 6392342 |
Light source arrangement for planar applications |
May 21, 2002 |
| A light source arrangement is used for providing illumination to an essentially planar area (405) in an electronic device. The arrangement comprises an encapsulated semiconductor light source (402) in the vicinity of an edge of an essentially planar light guide (404). Light emitted by |
