Patent ID: 8373639
Filing Date: 2013-02-12
Classification: H05B

Abstract:
1. A device for adjustment of a work place illumination in connection with computerized image presentation, the device comprising: at least one active display device; a detection device configured to detect the current light or contrast values, or both, of light coming directly from said at least one active display device and to thereby provide an objective measure of the light intensity of images displayed on said display device, said detection device having a field of view limited to the viewing surface of said active display device; a control and adjustment device connected to said detection device, said control and adjustment device being configured to automatically adjust the work place illumination of said at least one active display device depending on reference values determined in said control and adjustment device in relation to the current light or contrast values, or both, of said at least one active display device, thereby enhancing ergonomic visibility of said image.