Laser light source and laser projection display device

A laser light source and laser device technology, applied in the laser field, can solve problems such as heat accumulation, reduction of laser conversion rate, and influence on the working reliability of the fluorescent wheel, so as to avoid the effect of impact

Active Publication Date: 2016-05-11
QINGDAO HISENSE LASER DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If dust particles are deposited on the wavelength conversion material, the laser conversion rate will decrease during the process of laser excitation of the wavelength conversion material, and at the same time, it will cause heat accumulation, which will affect the reliability of the fluorescent wheel.

Method used

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  • Laser light source and laser projection display device
  • Laser light source and laser projection display device
  • Laser light source and laser projection display device

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "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 convenience of describing the embodiments of the present invention an...

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Abstract

The invention provides a laser light source and a laser projection display device, relating to the laser technology field, and the invention is used for preventing the interference on the laser source caused by the dust. The laser source comprises a sealing housing and a laser member sealed inside the sealing housing; the laser device comprises a laser array, a light beam shaping module, a fluorescence transition module and a color filter output module which are successively connected; the sealing housing is provided with an exhaust hole which is used for communication between the internal of the housing and the external and is used for balancing the pressure inside and outside the sealing housing. The embodiment of the invention is applied for the dustproof of the laser source.

Description

[0001] This application claims the priority of the Chinese patent application with the application number 201510341626.3 and the title of the invention "a laser light source and laser projection display device" submitted to the China Patent Office on June 18, 2015, the entire contents of which are incorporated herein by reference Applying. technical field [0002] The invention relates to the field of laser technology, in particular to a laser light source and a laser projection display device. Background technique [0003] As an excellent coherent light source, laser light source has the advantages of good monochromaticity, strong directionality, and high luminous flux. It has been widely used in many fields such as industry, medical treatment, scientific research, information, and military affairs. [0004] The laser light source is very sensitive to the environment. Environmental conditions such as dust, humidity, temperature, and air pressure have a great impact on the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/20
CPCG03B21/145G03B21/16G03B21/20G03B21/2033G03B21/204G03B21/208G03B21/2086
Inventor 候乃文田新团鲁文生杨长明刘洪岩刘显荣
Owner QINGDAO HISENSE LASER DISPLAY CO LTD
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