VCSEL DEVICE

VCSEL DEVICE

A vertical cavity surface emitting laser (VCSEL) device, comprising: a bracket that has a hollow cavity (2) and a VCSEL chip (1) encapsulated in the hollow cavity (2), wherein the bracket comprises a base (3) and a diffusion sheet (4) used for sealing the base (3), the VCSEL chip (1) is encapsulated...

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Hauptverfasser: LIN, Yushan, MAI, Jiaer, YANG, Lu, LU, Jiacai, ZHANG, Jinhui, OU, Xuwen, LI, Jiasheng
Format: Patent
Sprache:chi ; eng ; fre
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BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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creator LIN, Yushan
MAI, Jiaer
YANG, Lu
LU, Jiacai
ZHANG, Jinhui
OU, Xuwen
LI, Jiasheng
description A vertical cavity surface emitting laser (VCSEL) device, comprising: a bracket that has a hollow cavity (2) and a VCSEL chip (1) encapsulated in the hollow cavity (2), wherein the bracket comprises a base (3) and a diffusion sheet (4) used for sealing the base (3), the VCSEL chip (1) is encapsulated on the base (3), and the diffusion sheet (4) is disposed above a light emergent surface of the VCSEL chip (1), such that light emitted from the VCSEL chip (1) traverses the diffusion sheet (4) and is emitted to the outside; a cut-off film (5) is disposed on the diffusion sheet (4), a through hole (6) is opened on the cut-off film (5), and the through hole (6) is disposed above the light emergent surface of the VCSEL chip (1), such that the light emitted from the VCSEL chip (1) penetrates the through hole (6), and then traverses the diffusion sheet (4) and is emitted to the outside. The flexible adjustment of the light-emitting angle is achieved by means of combining the VCSEL chip (1) with the diffusion sheet (4).
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subjects BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
title VCSEL DEVICE
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