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Illumination device, method and system

A lighting device and lighting system technology, applied in lighting devices, fixed lighting devices, cooling/heating devices of lighting devices, etc., can solve problems such as damage to eyesight, danger of excitation light, etc.

Inactive Publication Date: 2017-11-28
JAGUAR LAND ROVER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the excitation light can be highly coherent, which makes the excitation light potentially dangerous, as exposure of certain parts of the human eye to this light can permanently damage one's vision

Method used

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  • Illumination device, method and system
  • Illumination device, method and system
  • Illumination device, method and system

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Embodiment Construction

[0041] refer to figure 1 and figure 2 , shows a device 10 according to an embodiment of the invention. The device 10 is a lighting device in the form of a vehicle headlamp for illuminating the area in front of the vehicle. It will however be appreciated that the invention may be used in general lighting applications such as household lamps. Furthermore, embodiments of the present invention are not limited to use in a particular type of vehicle, but may be used in, for example, automobiles, bicycles, motorcycles, watercraft, and aircraft. Device 10 includes excitation means 12 for emitting excitation light and luminescent means 14 for receiving at least a portion of the excitation light and emitting illumination light in response to the portion of the excitation light. The device 10 may further comprise reflecting means 30 for reflecting the illumination light within the device 10 and projecting means 40 for projecting the illumination light from the device 10 .

[0042] T...

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PUM

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Abstract

The present disclosure relates to an illumination device (10) for use as a vehicle headlight, comprising: at least one excitation means (12) for emitting excitation light; and a fluorescing means (14) for receiving at least a portion of the excitation light and emitting illuminating light in response thereto in an illumination direction of the illumination device (10). The at least one excitation means (12) is arranged substantially perpendicular to, or forward of, the fluorescing means (14) in the illumination direction to emit excitation light toward the fluorescing means (14). The present disclosure also relates to an illumination system comprising aforesaid illumination device, a method of providing illumination or illuminating light for use as a vehicle headlight, and to a vehicle.

Description

technical field [0001] The present disclosure relates to lighting devices, methods and systems, particularly, but not exclusively, to lighting devices for use in vehicle headlamps. Aspects of the present invention relate to a lighting system, a lighting device for use as a vehicle headlight, a method for providing illumination or lighting light for use as a vehicle headlight, and a vehicle. Background technique [0002] A lighting device for use in vehicle headlights may include an excitation light source arranged in combination with a fluorescent substance. These devices are configured such that the excitation light source irradiates the fluorescent substance with excitation light. The phosphor absorbs at least a portion of the received excitation light and emits illumination light in response thereto. Illumination light may then be projected forward from the lighting device to illuminate the area in front of the vehicle. However, the excitation light can be highly coher...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/10
CPCF21S41/16F21S41/14F21S41/663F21S41/25F21S45/10F21S41/62F21S45/47F21S41/285F21S41/176B60Q1/02B60Q1/04B60Q1/14F21V29/77F21Y2115/30F21K9/64
Inventor 加里·克里普斯尼古拉斯·里德勒大卫·威西
Owner JAGUAR LAND ROVER LTD