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Laser Optical System For Head Lamp

一种光学系统、前照灯的技术，应用在激光光学系统领域，能够解决光学损失、恶化光效率等问题，达到成本和重量降低、光效率改进、减少整体尺寸的效果

Active Publication Date: 2015-06-24
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, figure 1 The problem with conventional laser optical systems is that the backscattered light is unlikely to be re-incident on the phosphor 3, resulting in optical loss and deterioration of light efficiency

Method used

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  • Laser Optical System For Head Lamp
  • Laser Optical System For Head Lamp
  • Laser Optical System For Head Lamp

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Embodiment Construction

[0025] Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention has been described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims .

[0026] Such as Figure 2 to Figure 5 As shown, a laser optical system for a headlamp according to the present invention includes a laser diode 10, a PCB substrate 20, a phosphor 30, a guide path 40, and an internal reflective surface 50, wherein the laser diode 10 generates a blue wavelength (eg, , generally a short wavelength laser beam of abo...

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Abstract

A laser optical system for a head lamp may include a laser diode emitting light, a PCB substrate to which the laser diode is attached, the PCB substrate controlling supply of current to the laser diode, a fluorescent body located in front of the laser diode, reacting with the light emitted from the laser diode and thereby outputting white light, a guide path located in front of the laser diode and guiding light, which is outputted from the laser diode, to the fluorescent body, and an internal reflecting surface located between the fluorescent body and the guide path and connected to the guide path, the internal reflecting surface reflecting light, which has been incident on the fluorescent body and scattered backwards, to the fluorescent body.

Description

technical field [0001] The present invention relates to a laser optical system for a headlamp, and more particularly, to a laser optical system for a headlamp in which, between light output from a laser diode, incident on a phosphor And then the backscattered light is re-incident on the phosphor in order to obtain an additional amount of light and thus increase the light efficiency. Background technique [0002] The head lamp (head lamp) of a vehicle is a lamp that illuminates an area in front of the vehicle so as to ensure a clear view of the driver. Headlamps typically use halogen, high-intensity discharge (HID) and LED diodes as light sources. [0003] However, the problem with halogen, HID and LED diode technologies is that they have high energy consumption and thus their light efficiency is low. In addition, halogen, HID, and LED diode technologies have problems in that the overall size of the optical system including the light source and lens is large, resulting in l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V9/00F21V7/00F21V29/503F21V29/70F21W101/10
CPCF21S41/30F21S41/14F21S41/19F21S41/321F21S45/47F21S41/39F21S41/141F21S41/16F21S41/365F21S45/48F21S41/176F21S41/32F21S41/24F21Y2115/30
Inventor 安秉石李泰远
Owner HYUNDAI MOTOR CO LTD
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