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Reflection structure, preparation method of reflection structure and wavelength conversion device

A reflective structure and wavelength conversion layer technology, which is applied in the field of lighting and projection, can solve the problems of affecting the reflection effect, affecting the reflectivity of the reflective layer, and low coating efficiency of the dielectric layer, so as to achieve high film density, improve adhesion, and Focus on high effect

Inactive Publication Date: 2020-06-30
APPOTRONICS CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sintered silver as a reflective layer is easy to absorb water vapor, dust, and react with oxygen in the air to affect the reflective effect
The adhesion between the reflective layer prepared by vacuum coating and the substrate is not high. In order to ensure the adhesion between the reflective layer of the wavelength conversion device and the ceramic substrate in the prior art, a transparent medium transition layer is added between the reflective layer and the substrate. , such as SiO 2 , Al 2 o 3 、TiO 2 etc. However, the coating efficiency of the dielectric layer is extremely low, which affects mass production efficiency; in addition, the dielectric layer absorbs light to a certain extent, which affects the reflectivity of the reflective layer

Method used

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  • Reflection structure, preparation method of reflection structure and wavelength conversion device
  • Reflection structure, preparation method of reflection structure and wavelength conversion device
  • Reflection structure, preparation method of reflection structure and wavelength conversion device

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Embodiment Construction

[0028] The wavelength conversion device provided by the present invention and its preparation method will be further described in detail below with reference to the accompanying drawings.

[0029] It should be noted that when an element is referred to as being “fixed on”, “disposed on” or “installed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be used for both fixing and circuit communication.

[0030] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the ...

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Abstract

The invention relates to a reflection structure which comprises a substrate and a reflection film formed on the surface of the substrate, the reflection film comprises a first silver-plated film and asecond silver-plated film which are sequentially formed on the surface of the substrate, and the particle size range of silver particles of the first silver-plated film is larger than the particle size range of silver particles of the second silver-plated film. The invention also relates to a preparation method of the reflection structure and a wavelength conversion device comprising the reflection structure.

Description

technical field [0001] The invention relates to the technical field of lighting and projection, in particular to a reflection structure, a preparation method of the reflection structure and a wavelength conversion device. Background technique [0002] In the existing semiconductor light source projection system, the excitation light emitted by light sources such as light-emitting diodes or laser diodes is incident on different wavelength conversion materials of the wavelength conversion device to generate different colors of the stimulated light with a wavelength greater than the wavelength of the excitation light, such as red Stimulate the laser, green and blue, and then combine the different colors of the light into one beam to display the projected image. [0003] The reflective wavelength conversion device mainly includes a substrate and a reflective layer formed on the substrate. At present, the reflective layer is usually in the form of sintered silver or vacuum silve...

Claims

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Application Information

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IPC IPC(8): G02B5/08G03B21/20
CPCG02B5/0808G03B21/204G03B21/2066G02B5/08G03B21/20
Inventor 张红秀王杰孙微李屹
Owner APPOTRONICS CORP LTD
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