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Two-color laser light source and laser projector

A laser projector and laser light source technology, applied in the field of projection display, can solve the problems of complex optical path system and large volume of two-color laser light source, and achieve the effect of simplifying the optical path system and reducing the volume

Active Publication Date: 2020-10-09
QINGDAO HISENSE LASER DISPLAY CO LTD
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Problems solved by technology

[0005] In order to solve the problem that the optical path system of the two-color laser light source is relatively complicated and the volume of the two-color laser light source is relatively large in the related art, the embodiment of the present invention provides a two-color laser light source and a laser projector

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  • Two-color laser light source and laser projector

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] Laser light source is a light source with high brightness, strong directionality, and monochromatic coherent light beam. Due to many advantages of laser light source, it has been gradually used in the field of projection display in recent years.

[0021] Exemplarily, the laser light source can be applied to a laser projector. Laser projectors emit light of at least one color to display images. Primary color refers to the "basic color" that cannot be obtained by mixing and deploying other colors. Other new colors can be produced by mixing base colors in different proportions. Laser projectors usually generate primary color light to display graphics. A general laser projector produces three primary colors, that is, red, green, ...

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Abstract

The invention discloses a two-color laser light source and a laser projector, which belong to the field of projection display. The laser light source includes a first blue laser, a second blue laser, a red laser, a fluorescent wheel and a light-combining component, the fluorescent wheel is provided with a green fluorescent area and a transmission area; the light-combining component is used for the first The blue laser is transmitted to the fluorescent wheel, and after receiving the green fluorescence generated by the first blue laser irradiating the green fluorescent area, the green fluorescence is transmitted to the light collection part; it is also used to receive the second light emitted by the second blue laser The blue laser light is used to transmit the second blue laser light to the light collection part; it is also used to receive the red laser light emitted by the red laser and transmitted through the transmission area, and to transmit the red laser light to the light collection part. The invention solves the problems in the related art that the optical path system of the two-color laser light source is relatively complicated and the volume of the two-color laser light source is large. The invention is used in the design of a two-color laser light source.

Description

technical field [0001] The invention relates to the field of projection display, in particular to a two-color laser light source and a laser projector. Background technique [0002] Laser light source is a light source with high brightness, strong directionality, and monochromatic coherent light beam. Due to many advantages of laser light source, it has been gradually used in the field of projection display in recent years. Compared with the traditional monochromatic laser light source, the two-color laser light source can improve the color purity, color brightness and color gamut of the light source, and better meet the color requirements of laser projection. [0003] related technologies, such as figure 1 As shown, the two-color laser light source generally includes a blue laser 101 , a red laser 102 , a fluorescent wheel 103 , a beam shaping device 104 , a light combining component 105 and a light collecting component 106 . The light output principle of the two-color la...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/20
CPCG03B21/2013G03B21/204G03B21/206
Inventor 田有良
Owner QINGDAO HISENSE LASER DISPLAY CO LTD
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