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High-integration high-power, wide-color-gamut and low-speckle laser light source system

A laser light source, highly integrated technology, applied in the field of laser projection, can solve problems such as speckle, the integrated light source does not meet the color gamut, etc., achieve good market application prospects, suppress laser speckle, and reduce the effect of light source coherence

Pending Publication Date: 2019-12-27
SHANXI OVISION OPTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In view of this technical problem, the purpose of this invention is to propose a highly integrated high-power, wide color gamut and low speckle laser light source system, which can effectively solve the problem that the semiconductor RGB laser diode integrated light source does not meet the color gamut Rec.2020 and serious speckle technology question

Method used

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  • High-integration high-power, wide-color-gamut and low-speckle laser light source system
  • High-integration high-power, wide-color-gamut and low-speckle laser light source system
  • High-integration high-power, wide-color-gamut and low-speckle laser light source system

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] The laser light source integrated with semiconductor RGB laser diodes cannot cover the color gamut Rec.2020. Through the implementation of the light source system in this embodiment, the color gamut of the laser light source can meet the requirements of the large color gamut Rec.2020, and produce products with high integration. High-power laser light source with wide color gamut and low speckle.

[0022] Such as figure 1 As shown, a highly integrated high power, wide color gamut and low speckle laser source system includes blue laser source I1, blue laser source II6, green laser source 7 and red laser source 8.

[0023] The light beam emitted by the blue laser light source I1 enters the fluorescent material 5 sequentially through the homogenizing sheet I2, the anti-yellow transparent beam combiner I3 and the lens group I4.

[0024] T...

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Abstract

The invention discloses a high-integration high-power, wide-color-gamut and low-speckle laser light source system. The system comprises a blue laser light source I (1), a blue laser light source II (6), a green laser light source (7) and a red laser light source (8), wherein a light beam emitted by the blue laser light source I (1) sequentially passes through a dodging sheet I (2), a yellow-light-reflecting and blue-light-transmitting beam combiner I (3) and a lens group I (4) and enters a fluorescent material (5), and a light beam emitted by the blue laser light source II (6) sequentially passes through a dodging sheet II (6), a reflecting mirror (11), a yellow-light-reflecting blue-light-transmitting beam combiner II (12), a red-light-reflecting blue-green-light-transmitting beam combiner (13) and a lens group II (14) and enters a light through tube (15). The system is advantaged in that a large-color-gamut laser close packing integrated laser light source is achieved, moreover, coherence of the light source is reduced through multi-wavelength selection, laser speckles can be effectively restrained, and good market application prospects are achieved.

Description

technical field [0001] The invention relates to the technical field of laser projection, in particular to a highly integrated high-power, wide color gamut and low speckle laser light source system applied to a laser fluorescent projection system. Background technique [0002] As one of the most important devices in the display industry, projectors have been widely used in various industries such as education, commerce, engineering, monitoring, simulation training, and theater projections since their birth. However, in the current global market, bulbs such as xenon lamps and high-pressure mercury lamps widely used in projectors have short service life, poor color, limited brightness, high cost of use, and are not environmentally friendly. The continuous work needs of the day, such as control and monitoring rooms, large-scale building lighting and other new industry application requirements. The red, green and blue (RGB) laser projection display technology makes full use of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/20G02B27/10G02B27/48
CPCG02B27/1006G02B27/48G03B21/2013G03B21/204
Inventor 胡元元陈海洋李辉兰旭阳马建伟
Owner SHANXI OVISION OPTRONICS CO LTD
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