Patent application number | Description | Published |
20080278791 | Display System With Variable Diffuser - A display system comprises a display device (DD) with a display screen (DS) for displaying an image. A diffuser (DI) is arranged in front of the display device (DD). A controller (CO) controls at least a portion of the diffuser (DI) to be in a transparent state wherein the display screen (DS) is visible or in an opaque state for hiding the display screen (DS). The controller (CO) also controls an illumination system (IS) to illuminate at least the portion of the diffuser (DI) when in the opaque state. | 11-13-2008 |
20080304014 | Rear Projector and Rear Projecting Method - The application relates to a rear projector and a rear projection method. There is provided at least one projection screen, at least two beamers, each of the at least two beamers generating one view of a scene into at least one viewing direction and projecting the view onto the rear side of the projection screen, at least one switcheable diffuser which is switcheable between a transparent state and a diffuse state, wherein in the transparent state each beamer generates a different view of a scene, and wherein in the diffuse state the beamers generate one view of a scene. | 12-11-2008 |
20090046254 | PROJECTOR SYSTEM - An laser based image projection system for displaying images, which comprises an LCD device and projection optics. By introducing a diffuser between the LCD device and the projection optics, the quality of the projected image is improved. The visibility of material imperfections in the optical the beam path, which were previously visible in the projected image due to the large field-of-depth of the system, is now reduced. | 02-19-2009 |
20090281604 | CONTROLLING A PHOTO-BIOLOGICAL EFFECT WITH LIGHT - A device for generating at least blue light comprises a control circuit ( | 11-12-2009 |
20100281671 | KIT FOR MOUNTING A PLAT TV AND A METHOD FOR MOUNTING A FLAT TV USING SUCH A KIT - Kit for mounting a flat TV ( | 11-11-2010 |