Abstract:
PROBLEM TO BE SOLVED: To provide a simple means capable of adjusting a drive signal with a technically simple means and providing the signal to various electronic circuit devices and, in particular, of coding a luminance group of LED elements used in an LED module. SOLUTION: A feeder has a plurality of coding conductor paths and the coding conductor paths represent a code showing a predetermined circuit characteristic by a combination of paths electrically blocked and ones electrically conductive. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
Disclosed is an illumination device comprising a radiation-emitting front side and a multiplicity of light sources (R, G, B), wherein said multiplicity of light sources (R, G, B) is divided into light source groups (LG) and the light source groups (LG) are arranged on the grid points of a first regular grid.
Abstract:
The device has a sensor device (3) receiving mixed-color light and determining brightness values of detected light with two color channels separately and repeatedly during operation. An evaluation and control device evaluates the values and determines pulse-width-modulated electrical signals with a basic period modified to drive the channels so that a color location of the color light lies within a preset region of a standard. Independent claims are also included for the following: (A) a device comprising an illumination device for backlighting a display (B) a method for controlling an illumination device.
Abstract:
An illumination device (1) for backlighting a display is disclosed. The illumination device comprises: at least one semiconductor body (3), suitable for generating electromagnetic radiation of a first wavelength range, a first wavelength conversion substance (30), which is disposed downstream of the radiation-emitting front side (6) of the semiconductor body (3) in the emission direction (8) thereof and is suitable for converting radiation of the first wavelength range into radiation of a second wavelength range, which is different from the first wavelength range, and a second wavelength conversion substance (31), which is disposed downstream of the radiation-emitting front side (6) of the semiconductor body (3) in the emission direction (8) thereof and is suitable for converting radiation of the first wavelength range into radiation of a third wavelength range, which is different from the first and second wavelength ranges. A display comprising such an illumination device (1) is furthermore described.
Abstract:
An illumination device includes a number of radiation reflectors that are each irradiated by at least one light source. The radiation reflectors are shaped in such a way that they can be combined modularly to form a radiation-reflecting luminous area.
Abstract:
An electronic circuit arrangement has a feed-line (3) with coding via which the electronic circuit elements (6) of the circuit arrangement, especially LED-components, are driven by a control/drive circuit (2). The feeder line (3) has a number of coded conductors (3c ,3d) which carry a code by means of a combination of electrically interrupted and electrically continuous coded conductors which gives an insight into certain properties of the circuit arrangement. An independent claim is included for a method of coding an electronic circuit.
Abstract:
The device has a number of electrical light emitting elements (1) and a mechanically flexible metal grid (2) with conducting tracks mechanically and electrically connected to the light emitting elements. The grid is enclosed by mechanical stabilizing material (3) and is integrated into the material in a flat manner. The electrical light emitting elements are in the form of light emitting diodes. Independent claims are also included for the following: a light housing and a method of manufacturing a module for electrical light emitting elements.
Abstract:
The invention relates to a method for producing an optical fibre or an optical coupling-out structure for light comprising a coupling-out surface with light coupling-out structures, by means of an injection-moulding process. The light coupling-out structures are created by the laser removal of the injection-mould material, or the material of the optical fibre or coupling-out element that have already been injection moulded.
Abstract:
An illumination device is disclosed, comprising a support (1) and a number of light modules (21, 22) each with a number of radiating semiconductor components (311, 312, 313, 314, 321, 322, 323, 324) in several rows (411, 412, 421, 422). Each one of the several rows (411, 412, 421, 422) comprises at least two of the radiating semiconductor components (311, 312, 313, 314, 321, 322, 323, 324). Each one of the number of light modules (21, 22) is provided with a regulating device (51, 52) for regulating the brightness of the light module (21, 22). Each one of the number of light modules (21, 22) is provided with a sensor device (61, 62) for determining at least one measured value comprising the brightness of the number of radiating semiconductor components (311, 312, 313, 314, 321, 322, 323, 324). An illumination device is further disclosed, comprising a support (1), a number of light modules (21, 22, 23), a number of radiating semiconductor components (311, 312, 313, 314, 321, 322, 323, 324) and a heat-regulating device.