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Front projection screen for ultra-short-throw projection and its preparation method and application

An ultra-short-focus, projection technology, applied in optics, instruments, projection devices, etc., can solve the problems of low gain and anti-ambient light ability, high cost, anti-ambient light ability, unattainable color uniformity, etc.

Active Publication Date: 2016-08-24
成都华腾视讯科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, since 2013, display companies such as Changhong, Hisense, China Instrument and Electronics, and LG have all launched 80-100-inch front-projection laser TVs with a projection ratio of less than 0.35; , a "revolution" of PDP, but this type of technology is still the same as the traditional short-focus and ultra-short-focus display technology today, and it has encountered difficulties on the projection screen. imported screen technology, but there are still corresponding defects in imported screen technology, mainly manifested in the anti-environmental light ability, color uniformity, viewing angle and other core characteristics of technologies that cannot meet the requirements of normal display systems. The cold light screen produced by the structural Fresnel penetrating principle has a viewing angle lower than the horizontal 70° due to its structural limitations. At the same time, due to various factors such as reflective materials, its gain and ability to resist ambient light are low. At the same time , this type of technology is very expensive, so it is necessary to produce qualified projection screens that can meet the requirements in China

Method used

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  • Front projection screen for ultra-short-throw projection and its preparation method and application
  • Front projection screen for ultra-short-throw projection and its preparation method and application
  • Front projection screen for ultra-short-throw projection and its preparation method and application

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Effect test

Embodiment 1

[0022] A front projection screen for ultra-short-focus projection, including a planar basic curtain base 1, and raised strips arranged side by side on the basic curtain base. The raised strips form a structural curtain from the inside to the outside. base 2, curtain base color filter layer 3, high light reflection layer 4, ion layer 5 and speckle filter layer 6.

[0023]Choose glass for structural processing to make a planar basic curtain base 1; use methacrylate, carbonate, stearic acid, and phosphor to form a mixture at a mass ratio of 30:1:0.5:0.1, and then directly Utilize the mold of outer circular arc structure on the basic curtain base 1 (the arc length of the outer circular arc is one-third of the circumference of the circle whose diameter is the line segment at the intersection of the section and the basic curtain base), and the mixture is cast to form the structural curtain Base 2, the molding temperature is 70°C; select saturated resin Ashland M105, spray directly o...

Embodiment 2

[0032] A front projection screen for ultra-short-focus projection, including a planar basic curtain base 1, and raised strips arranged side by side on the basic curtain base. The raised strips form a structural curtain from the inside to the outside. base 2, curtain base color filter layer 3, high light reflection layer 4, ion layer 5 and speckle filter layer 6.

[0033] Select polyvinyl chloride for structural processing to make a planar basic curtain base 1; use methacrylate, carbonate, stearic acid, and phosphor to form a mixture at a mass ratio of 30:1:0.5:0.1, and then Directly on the base curtain base 1, use the mold of the outer arc structure (the arc length of the outer arc is one-third of the circumference of the circle whose diameter is the line segment at the intersection of the cross section and the base curtain base), and cast the mixture to form Structural curtain base 2, the molding temperature is 70°C; select saturated resin Ashland M105, spray directly on the ...

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Abstract

The invention discloses an orthogonal projection screen for super short focus projection, and a manufacturing method and applications thereof. The orthogonal projection screen comprises a basic screen base in a plane shape wholly and convex strips arranged adjacently side by side on the basic screen base. Each convex strip comprises a structural screen base, a screen base color filter layer, a high light reflection layer, an ion layer and a speckle filter layer sequentially from inside to outside, wherein the structural screen base has an external arc-shaped optical structure; and the ion layer adopts a transparent hollow fine silicon powder crystal with a fixed shape. Thus, the orthogonal projection screen has the advantages of strong anti-environmental light ability, high soft brightness, good reducibility, super wide visual angle, and super short distance projection with good effects is realized.

Description

technical field [0001] The invention belongs to the technical field of projection screens, and in particular relates to a front projection screen for ultra-short-focus projection, a preparation method and application thereof. Background technique [0002] From the previous projection on white cloth to the current optical projection screen, the projection screen has undergone decades of transformation. The existing projection screens include white plastic screens, glass bead screens, flexible soft screens, soft gray screens, and metal hard screens. , Resin hard curtain and other standard lens projection screens in various forms. [0003] However, with the continuous improvement of projection technology, from the previous CRT to the current laser projector, due to space constraints, ultra-short focus technology has always been one of the core goals pursued by various front projection display technologies, which means Smaller space occupation, unlimited expansion of use area, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/60
CPCG03B21/60
Inventor 谭鑫唐洪
Owner 成都华腾视讯科技有限公司
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