Wavelength conversion device and projection system including the same

A wavelength conversion device and vibration system technology, applied in the field of projection systems, can solve the problems affecting the luminous efficiency of the wavelength conversion device and poor heat dissipation performance of the wavelength conversion device, and achieve the effects of improving heat dissipation, reducing energy density, and improving luminous efficiency

Active Publication Date: 2019-07-16
APPOTRONICS CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the heat dissipation performance of the wavelength conversion device in the prior art is poor, thereby affecting the luminous efficiency of the wavelength conversion device

Method used

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  • Wavelength conversion device and projection system including the same
  • Wavelength conversion device and projection system including the same
  • Wavelength conversion device and projection system including the same

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Embodiment Construction

[0050] As mentioned in the background section, the heat dissipation performance of the wavelength conversion device in the prior art is poor, thereby affecting the luminous efficiency of the wavelength conversion device.

[0051] In view of this, an embodiment of the present invention provides a wavelength conversion device, including:

[0052] an excitation light source for emitting excitation light;

[0053] A light-emitting module, the light-emitting module includes a light-emitting layer and a heat-conducting base layer, used to receive the excitation light, convert it into light of a specific wavelength and emit it;

[0054] The first vibrating system located on the side of the light emitting module away from the exciting light source is used to drive the light emitting module to reciprocate along a first preset direction.

[0055] Correspondingly, an embodiment of the present invention also provides a projection system including the above-mentioned wavelength conversion...

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Abstract

The embodiment of the invention discloses a wavelength conversion device and a projection system. The wavelength conversion device comprises an excitation light source, a light emitting module and a first vibration system, and is characterized in that the excitation light source is used for emitting excitation light, the light emitting module is used for receiving the excitation light, converting the received excitation light into light with specific wavelength and emitting the light, and the first vibration system is located at the side, which is away from the excitation light source, of the light emitting module and used for driving the light emitting module to move in a reciprocating manner along a first preset direction. In the wavelength conversion device provided by the embodiment of the invention, the scanning area of convergent light spots of the excitation light in unit time is increased through reciprocating movements of the light emitting module, and the scanning area of the convergent light spots of the excitation light is not enabled to be fixedly concentrated in a certain area of the light emitting module, so that the energy density borne by a light emitting layer in the light emitting module in unit time and unit area is effectively reduced, the heat dissipation effect of the wavelength conversion device is improved, and the light emitting efficiency of the wavelength conversion device is improved.

Description

technical field [0001] The invention relates to the field of light emitting technology, in particular to a wavelength conversion device and a projection system including the wavelength conversion device. Background technique [0002] With the continuous improvement of the level of industrial development, the application occasions of light sources are becoming more and more diverse, such as image projection for rear-projection TVs or projectors, or lighting for cars, ships, and airplanes. Different applications have different requirements on the wavelength of the light source. At present, an excitation light source with a predetermined wavelength is mainly used to irradiate the wavelength conversion device to excite the wavelength conversion material in the wavelength conversion device to obtain light of different wavelengths. [0003] However, the heat dissipation performance of the wavelength conversion device in the prior art is poor, thereby affecting the luminous effici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/20G03B21/16
CPCG03B21/16G03B21/20
Inventor 陈雨叁李乾许颜正
Owner APPOTRONICS CORP LTD
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