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Light source system and projection equipment

A light source system and excitation light source technology, which is applied in the field of projection, can solve the problem of low brightness of emitted red light, and achieve the effect of improving brightness

Active Publication Date: 2021-10-26
APPOTRONICS CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical problem of the low brightness of red light emitted by the light source system in the prior art, the present invention provides a light source system and projection equipment

Method used

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  • Light source system and projection equipment
  • Light source system and projection equipment

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Experimental program
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Embodiment Construction

[0033] The light source system provided by the embodiment of the present invention can solve the problem of low brightness of emitted red light, and can be applied to projection equipment, such as liquid crystal display (LCD, Liquid Crystal Display) or digital light path processor (DLP, Digital Light Processor) projector.

[0034] see Figure 1-Figure 3 , figure 1 It is a schematic diagram of the structure and internal main optical paths of the light source system 100 provided in the first embodiment of the present invention. figure 2 For such figure 1 A schematic structural diagram of the wavelength conversion device 120 is shown. image 3 For such figure 1 The structure schematic diagram of the second dichroic filter 134 is shown.

[0035] Such as figure 1 As shown, the light source system 100 includes an excitation light source 112 , a supplementary light source 115 , a wavelength conversion device 120 and a guiding device. The excitation light source 112 is used to ...

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Abstract

The present invention provides a light source system and projection equipment, including an excitation light source emitting excitation light, a supplementary light source, a wavelength conversion device, and a guiding device; wherein, the guiding device includes a first spectroscopic filter, a second spectroscopic filter, a third A spectroscopic filter and a fourth spectroscopic filter; the second spectroscopic filter includes a central area and a peripheral area located around the central area, and the excitation light source excites the first-color fluorescent light generated by the wavelength conversion device Sequentially pass through the first spectral filter and the surrounding area to reflect to the third spectral filter; the first color laser light emitted by the supplementary light source passes through the central area and then irradiates to the third spectral filter Optical filter; the third spectral filter reflects the first color fluorescence and the first color laser to the light exit channel; the excitation light emitted from the transmission area of ​​the wavelength conversion device passes through the fourth spectral filter After being reflected, it passes through the third dichroic filter and enters the light exit channel.

Description

technical field [0001] The invention relates to the field of projection technology, in particular to a light source system and projection equipment. Background technique [0002] This section is intended to provide a background or context to a detailed description of the invention that is recited in the claims. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] At present, projection equipment is widely used in various applications such as movie playback, conferences, and publicity. In the light source system of the projection device in the prior art, the excitation light generated by the excitation light source is usually used to excite the fluorescent color wheel, thereby generating the sequence of the stimulated light. [0004] Generally, the red fluorescent powder in the fluorescent color wheel is stimulated to generate red fluorescent light with a wide spectral range, resulting in low color saturation of the red fluorescent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/16G03B21/20
CPCG03B21/16G03B21/204G03B21/20
Inventor 郭祖强张宝英李屹
Owner APPOTRONICS CORP LTD