Wavelength conversion device

A wavelength conversion device and wavelength conversion element technology, applied in projection devices, optics, instruments, etc., can solve the problem of the decrease of the light output of the fluorescent pink wheel, and achieve the effects of simple process, improved output brightness and low price

Pending Publication Date: 2017-02-22
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Affected by the Brewster Angle Effect, incident light at a large angle will partially penetrate the highly reflective layer to the bottom substrate for absorption, reducing the light output of the fluorescent pink wheel

Method used

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Examples

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Embodiment Construction

[0042] Hereinafter, multiple embodiments of the present invention will be disclosed with the accompanying drawings. For clear description, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplification of the drawings, some conventional structures and elements will be shown in the drawings in a simple schematic manner.

[0043] Please refer to figure 1 , Which is a schematic diagram showing the wavelength conversion device 1 according to an embodiment of the present invention.

[0044] Such as figure 1 As shown, in this embodiment, the wavelength conversion device 1 includes a substrate 10, a reflective element 12 and a wavelength conversion element 14. The reflective element 12 is disposed on the substrate 10 and in...

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Abstract

A wavelength conversion device includes a substrate, a reflective member, and a wavelength conversion member. The reflective member is disposed on the substrate and includes a continuous-phase material and nano particles. The nano particles are distributed in the continuous-phase material. A refractive index of the continuous-phase material is different from a refractive index of the nano particles. The wavelength conversion member is disposed on the reflective member. The reflective member is configured to reflect the light converted from the wavelength conversion member to output.

Description

Technical field [0001] The invention relates to a wavelength conversion device, in particular to a color wheel device. Background technique [0002] Generally, the traditional reflective fluorescent pink wheel is to plate a highly reflective layer on a substrate, and then coat the fluorescent powder on the highly reflective layer, so as to use the reflective layer to reflect the light emitted by the laser excited phosphor to Light shines ahead. The above-mentioned highly reflective layer generally adopts an optical reflective layer structure design such as a metal reflective layer, a multi-layer dielectric layer (Dielectric Multi-layer) reflective film, or a metal / dielectric composite layer (Metal / Dielectric Multi-layer) reflective film. [0003] However, the performance of the reflective fluorescent pink wheel is greatly affected by the reflectivity of the substrate. Therefore, when designing the above-mentioned highly reflective layer, it is often necessary to consider the angl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/50
CPCG03B21/204G03B21/2066
Inventor 张克苏周彦伊陈琪吕俊贤
Owner DELTA ELECTRONICS INC
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