Fluorescent material, preparation method thereof, optoelectronic device and method for manufacturing optoelectronic device

A technology of optoelectronic devices and fluorescent materials, applied in the direction of luminescent materials, electrical components, semiconductor devices, etc.
CN109943334AInactive Publication Date: 2019-06-28EVERLIGHT ELECTRONICS
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
EVERLIGHT ELECTRONICS
Publication Date
2019-06-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a fluorescent material, a preparation method thereof, an optoelectronic device and a method for manufacturing the optoelectronic device. The fluorescent material has the following general formula: La3Ga5(1-x)Ge1-yO14:5xCr3+,ySn4+, wherein x is greater than or equal to 0 and less than or equal to 0.1, and y is greater than or equal to 0 and less than or equal to 0.9. The fluorescent material is excited by blue visible light, purple visible light or ultraviolet light; the emission spectrum is located in the red visible light and near-infrared region; the material can be applied to photoelectronic devices such as LEDs (light-emitting diodes) to meet the application requirements of medical detection, food component analysis, safety cameras, iris / face recognition, virtualreality, notebook games, laser detection and measurement and the like at present.
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Description

[0001] This application is submitted to the China Intellectual Property Office with the application number 201811083223.3, the application date is September 17, 2018, and the invention and creation name is "fluorescent material and its preparation method, optoelectronic device and method for manufacturing optoelectronic device". divisional application. technical field

[0002] The present invention relates to a fluorescent material and its preparation method, an optoelectronic device and a method for manufacturing the optoelectronic device, in particular to a fluorescent material with high radiation flux and wide emission wavelength in the red visible light-near infrared region and its preparation process, An optoelectronic device provided with the fluorescent material and a manufacturing process of the optoelectronic device. Background technique

[0003] Visible light is the part of the electromagnetic spectrum that the human eye can perceive, and infrared light is electrom...

Claims

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