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Projection screens and projection systems

A technology of projection screen and film layer, applied in the field of projection, can solve problems such as poor imaging effect, and achieve the effect of improving contrast

Pending Publication Date: 2019-01-11
CHENGDU FSCREEN SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a projection screen and a projection system to improve the problem of poor imaging effect existing in existing projection screens

Method used

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  • Projection screens and projection systems
  • Projection screens and projection systems
  • Projection screens and projection systems

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Embodiment Construction

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0052] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the a...

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Abstract

The invention provides a projection screen and a projection system, which relate to the technical field of projection, wherein the projection screen comprises a substrate layer; a light filt film layer is for on one side of that substrate layer; an imaging layer formed on a side of the substrate layer remote from the filter film layer; a light-reflecting film layer is formed on a side of that image layer remote from the substrate layer. The filter film layer includes a first film layer and a second film layer having a different refractive index from the first film layer, so that the filter film layer can transmit light of red, green and blue three colors and absorb light of other colors other than red, green and blue three colors. The reflective film layer includes a third film layer and afourth film layer having a different refractive index from the third film layer so that the reflective film layer is capable of reflecting light of red, green, and blue colors and absorbing light ofother colors than red, green, and blue colors. With the above-mentioned setting, the problem that the imaging effect of the existing projection screen is poor can be improved.

Description

technical field [0001] The present invention relates to the technical field of projection, in particular to a projection screen and a projection system. Background technique [0002] With the continuous development of screen display technology, projection has been widely used as a simple and convenient display method, for example, family entertainment or office needs. Among them, when displaying by projection, an indispensable device is a projection screen. Moreover, the imaging layer plays an important role as a key structure of imaging display in the projection screen. [0003] The inventors found that, in the existing projection screen, the light beam incident on the imaging layer includes not only the light beam output by the projector, but also the light beam emitted by other light sources or natural light in the environment where the projection screen is located. Wherein, the mixing of the light beam or natural light with the light beam output by the projector will l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/625G03B21/602
CPCG03B21/602G03B21/625
Inventor 张益民胡世加张睿丰
Owner CHENGDU FSCREEN SCI TECH
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