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Illumination apparatus with sensor at the absorber

A technology of lighting equipment and sensors, applied in lighting and heating equipment, lighting devices, fixed lighting devices, etc., can solve problems such as deterioration, change, and high cost

Active Publication Date: 2017-12-12
OSRAM GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this adjustment depends on several parameters (eg ambient temperature), which can worsen or vary during operation
Especially in high-resolution systems applying multiple (>20) rows or columns with light pixels, this adjustment is critical and costly

Method used

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  • Illumination apparatus with sensor at the absorber
  • Illumination apparatus with sensor at the absorber

Examples

Experimental program
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Embodiment Construction

[0032] The following detailed examples represent preferred embodiments of the application. It should be noted here that the individual features can be realized not only in the stated combination of features, but also in special cases or in other technically reasonable combinations.

[0033] A lighting device, as described below, can be used, for example, in a motor vehicle headlight for a low-beam function, a high-beam function or any desired signal, effect or entertainment light function. Particularly advantageously, such a lighting device can also be used as a projector or the like for home and cinema applications.

[0034] The lighting equipment according to the application of the figure 1 The example shown has a lighting device 1 . Such a lighting device 1 can contain one or more light sources. For example, laser systems, light-emitting diode systems or the like can be used as light sources. figure 1 A control device (not shown) controls or operates one or more light s...

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PUM

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Abstract

An illumination apparatus is provided. The illumination apparatus includes a light-emitting device including one or more light sources, a mirror device including at least one pivotable mirror for directing light from the one or more light sources in a defined first pivot state into a first solid angle region in which the light is utilized in accordance with operation, and a defined second pivot state into a second solid angle range that differs from the first one and in which the light is directed onto an absorber device of the illumination apparatus. The absorber device includes a sensor with which a function of the illumination apparatus may be checked.

Description

technical field [0001] The invention relates to a lighting device having a light emitting arrangement comprising one or more light sources and a mirror arrangement comprising a rockable mirror or micromirror arrangement for directing the light of the one or more light sources. The mirror can have the following rocking states: a defined first rocking state for directing light into a first spatial angle region in the first spatial angle region; A defined second rocking state in a second spatial angular region different from the spatial angular region in which the light is aimed at the absorbing means of the lighting device and for directing the light to the A third rocking state in a third spatial angular region between the corner regions, wherein the third rocking state is continuously occupied in the current-free state of the mirror arrangement. Furthermore, the invention relates to a method for checking the functioning of such a lighting device. Background technique [00...

Claims

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Application Information

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IPC IPC(8): F21S8/10F21V14/04F21V23/00F21W101/02F21W101/10
CPCF21V23/003B60Q11/005F21S41/675F21S45/70F21S41/176B60Q2300/146F21S41/16B60Q1/04
Inventor 斯特凡·施魏格尔里卡达·舍默于尔根·哈格尔奥利弗·黑林
Owner OSRAM GMBH