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A light emit device and a method of manufacturing that same

A light-emitting device and light-emitting element technology, which is applied to the device for controlling the output parameters of lasers, lasers, phonon exciters, etc., can solve problems such as abnormal curing process of adhesives, image processing errors, and light deviation

Inactive Publication Date: 2018-12-28
INTERFACE TECH CHENGDU CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, if the amount of adhesive used to bond the substrate, collimating lens, and diffractive optical element is abnormal, or the curing process of the adhesive is abnormal, it will cause misalignment of the light emitting element, collimating lens, and diffractive optical element
As a result, the emitted light deviates, resulting in errors in subsequent image processing

Method used

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  • A light emit device and a method of manufacturing that same
  • A light emit device and a method of manufacturing that same
  • A light emit device and a method of manufacturing that same

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Embodiment Construction

[0034] In order to make the description of the present disclosure more detailed and complete, the following provides an illustrative description of the implementation and specific embodiments of the present disclosure; but this is not the only way to implement or use the specific embodiments of the present disclosure. The various embodiments disclosed below can be combined or replaced with each other when beneficial, and other embodiments can also be added to one embodiment, without further description or illustration. In the following description, numerous specific details will be set forth in order to enable readers to fully understand the following embodiments. However, embodiments of the present disclosure may be practiced without these specific details.

[0035] Furthermore, spatially relative terms, such as "below", "below", "above", "above", etc., are for the convenience of describing the relative relationship between one element or feature and another element or featur...

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Abstract

A light emit device comprises a substrate, a light emit element, a shielding layer and a collimator. The light emit element is embedded in the substrate. The shield layer is disposed on the substrateand has an opening exposing the light emit element. The collimator is disposed on the shielding layer. The light emit device disclosed herein has good heat dissipation efficiency and low thickness, and can effectively improve the interference phenomenon of light.

Description

technical field [0001] The present disclosure relates to a light emitting device and a manufacturing method of the light emitting device. Background technique [0002] Infrared emitting modules are commonly used in 3D face recognition devices. Traditionally, an infrared emitting module includes a light emitting element disposed on a substrate, a collimator lens and a diffractive optical element (DOE). In order for the emitted light to be collimated and not deviated, the light emitting element, collimating lens and diffractive optics must be precisely aligned. [0003] However, if the amount of adhesive used to bond the substrate, collimator lens, and diffractive optical element is abnormal, or the curing process of the adhesive is abnormal, it will cause misalignment of the light emitting element, collimator lens, and diffractive optical element. As a result, the emitted light deviates, causing an error in subsequent image processing. Contents of the invention [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/06
CPCH01S5/06H01S5/0207H01S5/02461H01S5/02469H01S5/026H01S5/18388H01S5/423H01S5/021H01S5/183H01S5/24H01S5/02253H01S5/02257H01S5/02326H01S5/02355
Inventor 周贤颖陈俊达魏福呈廖致霖
Owner INTERFACE TECH CHENGDU CO LTD