KR20110032575A - The bendable type projection screens with non-glare and anti-reflective surface - Google Patents

Abstract

PURPOSE: A non-reflective bendable projection screen is provided to prevent a person from dazzling by preventing reflected light from being generated. CONSTITUTION: A non-reflective bendable projection screen(100a) comprises a rear projection film(10), a planer screen film(30), and a non-reflective film(40). The rear projection film is manufactured in order to collect light by attaching transparent beads on the inner surface of the rear projection film. The rear projection film is located toward a projector(20). The planer screen film is transparent and is attached on the rear projection film. The non-reflective film processes the surface of the planer screen film in order to disperse the reflection of the light.

Description

The bendable type Projection Screens with non-glare and anti-reflective surface}

The present invention relates to a non-reflective bendable projection screen, and more particularly to a non-reflective bent projection screen that can be bent in a variety of forms without being limited in size beyond the planar concept and the light is not reflected from the observer side.

As the multimedia, which is the subject of visual information delivery, which is one of the highly complicated information delivery systems, becomes popular, the modern image display device is a link between human and information devices. ) Is inevitably emphasized, and the desire of consumers to view lively images is fueling the development of large, thin and light displays.

According to the display method, the image display device is classified into a direct view type image display device and a projection type display device. A direct view type image display device includes a CRT (Cathode Ray Tube), and such a CRT image display device has a high image quality but a large screen. As the weight and thickness increase and the manufacturing cost rises, there is a limit to composing a large screen. As a projection display device, there is a liquid crystal display (LCD). Although the optical loss due to the polarizing plate is large, and the LCD driving thin film transistor is formed for each pixel, there is a limit to increase the transmission area (opening ratio) of light and has a disadvantage of being expensive.

The above-mentioned problem of the large screen configuration of the conventional display device has been avoided, and a projection method has been adopted for the enlargement of the screen. The projection method of a general beam projector is a front projection method and a rear projection method. SCREEN SYSTEM).

The front projection method is a method where the projector and the viewer are located in the front of the screen in the same direction, and the brightness and clarity of the image varies greatly depending on the ambient light level, so the illuminance must be lowered. There was a problem that the communication effect is halved due to the occurrence and distraction of the image content.

Complementing the front projection method is the rear projection system, which projects the image on the back of the screen so that viewers such as hosts and conference participants located in front of the screen can view the video content without obstacles. The problem with the screen was improved.

However, the rear projection screen has a low transmittance and thus attenuates light, thereby preventing image clarity and high resolution. It has low shadow selection and caused inconvenience to viewers. The material is plastic or glass (5mm), so it is vulnerable to temperature, humidity, and chemicals, and the screen of plastic material is weak due to its weak vertical strength. A large screen could not be formed.

In particular, the glass projection screen (REAR PROJECTION SCREEN) has a problem of safety in outdoor use due to the risk of breakage.

In addition, the glass can not be folded or rolled up to be stored in order to increase the vertical strength, so that the image display surface of the screen is always exposed during use or non-use, exposing the risk of damage.

Therefore, the present invention is conceived in view of the problems of the prior art as described above can be stored in the form of a roll without being limited in size, and eliminates glare by preventing the reflection of light, high-definition, high selection of negative and zero, An object of the present invention is to provide an anti-reflective bendable projection screen that can project a high-brightness image to enjoy a high-quality image.

In addition, another object of the present invention is to improve the flatness by using a polyester film to improve the light transmittance of the projector, so that even when using a projector having a different resolution, it is possible to achieve high-quality performance to improve the economics.

In addition, another object of the present invention can be flexibly folded or folded screen projection film, smooth screen film, anti-reflective film can be stored in the form of a roll at the same time can be produced in various forms of curved screen applications of advertising and media delivery To increase.

In order to achieve the above object, the present invention provides a screen projection film (RPF: Real Projection Film) manufactured to collect light by impregnating and attaching a transparent bead in the form of a fine magnifying glass inside a screen for processing an image of a projector. Is placed on the projector side, and a transparent, high gloss, and smoothness screen adhesive film is adhered to the opposite side of the screen projection film facing the projector, and the matte treatment is applied to disperse light reflection on the observer side of the smooth screen film. It provides a non-reflective bendable projection screen, characterized in that by constructing a non-reflective film.

As described above, the present invention can be stored in a roll shape without being limited in size, and removes glare by preventing reflection light from being generated, and projects a high-definition and high-brightness image with a high sound and zero selection to project a high quality image. The effect is appreciable.

In addition, by improving the smoothness using a polyester film, the light transmittance of the projector is improved, so that even when a projector having a different resolution can be used, a high quality performance can be exhibited, thereby improving economic efficiency.

In addition, the screen projection film, the smooth screen film, the anti-reflection film can be flexed or folded freely can be stored in the form of a roll at the same time to produce a variety of curved screen has the effect of increasing the application area of advertising and media delivery. .

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

As shown in Figure 1 and 4a, the non-reflective bendable projection screen of the present invention relates to the screen 100a for processing the image of the projector 20, the projection film for the screen directly facing the projector 20 (10), the smoothing screen film 30 which is glued to the opposite side of the projection machine 20 of the screen projection film 10, and the anti-reflection is attached to the observer side of the smoothing screen film 30 with an adhesive The screen 100a is constituted by the film 40.

The Projection Film for Screen (RPF: 10) is impregnated and attached with a transparent magnifying glass 11 in the form of a fine magnifying glass inside to collect light to form a clear image on the film, and the observer can observe from various angles. So that it is positioned toward the projector 20 side.

In this case, the projector 20 may be configured as a beam project.

In addition, the smoothing screen film 30 is made to have a transparent, high gloss, and smoothness on the opposite side of the screen projection film 10 facing the projector 20, and is bonded with an adhesive.

In this case, the smoothing screen film 30 is made of a polyester film (Polyester Film).

The antireflective film 40 is configured by applying a matte treatment to disperse the reflection of light on the observer side of the smoothing screen film 30 and then bonding.

In addition, the screen projection film 10, the smoothing screen film 30, the anti-reflection film 40 is made of a soft material so that it can be bent freely.

Thus, the screen projection film 10, the smooth screen film 30, the anti-reflection film 40, the screen 100a can be rolled and stored in the form of a roll to be curvature in a variety of forms to display an image .

As shown in Figure 2 and 4b, relates to a screen 100b for processing the image of the projector 20, the screen projection film 10 directly facing the projector 20, and the projection film for the screen The screen 100b is composed of a smooth screen film 30 adhered to both sides of the surface 10 by an adhesive, and an antireflection film 40 adhered to both sides of the smooth screen film 30 with an adhesive.

The Projection Film for Screen (RPF: 10) is impregnated and attached with a transparent magnifying glass 11 in the form of a fine magnifying glass inside to collect light to form a clear image on the film, and the observer can observe from various angles. Form to help.

In addition, the smoothing screen film 30 is transparent, high gloss and smoothness on both sides of the projection film 10 for the screen is bonded with an adhesive.

In this case, the smoothing screen film 30 is made of a polyester film (Polyester Film).

The antireflective film 40 is configured by applying a matte treatment to disperse the reflection of light on both sides of the smoothing screen film 30 and then bonding.

In this way, a surface may be installed on one of both sides of the screen 100b so as to face the projector 20.

In addition, the screen projection film 10, the smoothing screen film 30, the anti-reflection film 40 is made of a soft material so that it can be bent freely.

Thus, the screen projection film 10, the smooth screen film 30, the anti-reflection film 40, the screen (100b) can be rolled and stored in a roll form and can be installed to be curvature in various forms to display an image will be.

As shown in FIGS. 3A and 3B, the projector 20 may be installed to be located at the center of the screens 100a and 100b and may be installed to be biased toward one side.

As shown in FIGS. 4A and 4B, the screen projection film 10 forms a total reflection surface 11a to reduce the absorption of external light, increase the total reflectivity of the beam projected from the projector 20, and use the internal projection projector ( The main light source of 20) is well transmitted to the observer's position, so that it has high directivity, high brightness and high resolution.

In addition, the screen projection film 10 is seen as a flat surface when viewed with the naked eye, but when enlarged under a microscope, a plurality of beads (11) are impregnated to the extra formed between the beads (11) and beads (11) The dispersion layer 11b which is a space is formed innumerably.

The beads 11 are positioned at predetermined intervals to form the total reflection surface 11a and the dispersion layer 11b.

In other words, the screen projection film 10 is a surface-treated and polished plane-enhanced treatment to increase the transmittance of the internal light and scatter the external light so that the focus of the image is clear and the depth of the image is high, and it is usually in a black state. When light transmitted by light or fluorescent light is transmitted, it is configured to turn white.

In addition, the smooth screen film 30 is an optical and very transparent high gloss is configured to increase the adhesion efficiency with the screen projection film 10 or the non-reflective film 40 by excellent surface adhesion through the cross-sectional chemical treatment. .

In addition, the smoothing screen film 30 is configured to have a high degree of smoothness indicating flat accuracy and a constant transmittance and transmission straightness of the light irradiated from the projector 20.

In addition, the anti-reflective film 40 is configured to reduce the glare by forming a black film to reduce the glare in the room of bright lighting or outdoors in the daytime to be comfortable viewing.

Hereinafter, the operation and operation of the present invention will be described.

As shown in FIGS. 4A and 5A and 5B, when the image is irradiated to the screen 100a through the projector 20, the image passes through the screen projection film 10 and then the smooth screen film 30. The antireflective film 40 is displayed on the front surface of the projection film 10 for the screen.

That is, the device of the projector 20 such as a projector is operated to pass through the screen projection film 10 serving as the incident surface of the image beam projected from the light source.

At this time, the light incident in parallel passes through the screen projection film 10, and the image is normally formed on the opposite side to which light in a smooth state is incident, and the projection beam incident at an oblique angle is the total reflection surface 11a and the dispersion layer 11b. As it passes through, it is scattered and reflected with a wide viewing angle to emit a projected image beam toward the observer.

In addition, the image beam irradiated from the projector 20 is distributed and projected to the observer side while passing through the inclined total reflection surface 11a and the dispersion layer 11b, thereby providing a wider viewing angle to the observer.

In addition, the black absorber of the antireflection film 30 absorbs external light, thereby preventing projection and reflection of an external image or an object.

In this case, the smoothing screen film 30 has a smoothness indicating flat accuracy, and thus the image of the light irradiated from the projector 20 is prevented from shaking, blurring, and ringing.

The antireflective film 40 prevents the viewer from reflecting when viewing the image.

In detail, the anti-reflective film 40 is made of a black absorber and absorbs the external light incident from the observer side, thereby significantly reducing the amount of reflected light so that the contrast of the projection beam of the projector 20 to the outside of the screen 100a can be achieved. ) To improve.

4B to 5B, when the image is irradiated to the screen 100b through the projector 20, the image is an antireflective film 40, a smooth screen film 30, a projection film 10 for a screen, After passing through the smoothing screen film 10 and the antireflection film 40, an image is displayed on the opposite side of the projection film 10 for the screen facing the projector 20.

That is, the device of the projector 20 such as a projector is operated to pass through the antireflection film 40, the smooth screen film 30, and the projection film 10 for the screen, which are incident surfaces of the image beam projected from the light source. Done.

At this time, the light incident in parallel passes through the screen projection film 10, and the image is normally formed on the opposite side to which light in a smooth state is incident, and the projection beam incident at an oblique angle is the total reflection surface 11a and the dispersion layer 11b. As it passes through, it is scattered and reflected with a wide field of view, emitting a projected image beam toward the observer.

In addition, the image beam irradiated from the projector 20 is distributed and projected to the observer side while passing through the inclined total reflection surface 11a and the dispersion layer 11b, thereby providing a wider viewing angle to the observer.

The antireflective film 40 prevents the viewer from reflecting when viewing the image.

In detail, the anti-reflective film 40 is made of a black absorber and absorbs the external light incident from the observer side, thereby significantly reducing the amount of reflected light so that the contrast of the projection beam of the projection machine 20 to the outside of the screen 110b can be achieved. ) To improve.

That is, the screen 100b may display the light of the projector 20 as an image using both surfaces.

As shown in FIG. 6, the screens 100a and 100b may display images by cutting or bending them in various forms, causing the viewer's curiosity to increase advertising and appealing effects of the images, and from an advertiser's point of view. You can advertise in various forms.

As shown in FIG. 7, the screen projection film 10, the smoothing screen film 30, and the anti-reflection film 40 constituting the screens 100a and 100b are made of a soft (freely bent material) material. It is manufactured and bent in a wave shape-(A drawing), arc-shaped bend-(B drawing), wound in the form of a manual roll or an electric roll, and used when it is stored and used. (C drawing)

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments and is not limited to the spirit of the present invention. Various changes and modifications can be made by those who have

1 is a schematic configuration cross-sectional view of one side of the projectable screen of the anti-reflective bendable projection screen according to the present invention,

Figure 2 is a schematic configuration sectional view of the two-side projectable screen of the anti-reflective bendable projection screen according to the present invention,

3a is a view positioned at the center of a screen for irradiating light of a projector;

Figure 3b is a view positioned biased on the screen for irradiating the light of the projector,

4A is a conceptual diagram of an image display of a one side projectable screen;

4B is a conceptual diagram of an image display of a bilateral projectable screen;

5a is a state photograph of one or both projection screens installed according to the present invention;

5B is a state picture of displaying an image on the screen of FIG. 5A;

Figure 6 is a state picture to produce and display in various forms of one or both projection screen,

Figure 7 (A) is a wave form, (B) is a circular arc shape, (C) is a roll form, showing a state of use showing a variety of forms of use of one or both projection screen.

<Description of Symbols for Main Parts of Drawings>

10 screen projection film 11 beads

11a: total reflection 11b: dispersion layer

20: projector 30: smooth screen film

40: antireflective film

100a, 100b: screen

Claims (6)

In the screen processing the image of the projector, Transparent Projection Film (RPF: Rear Projection Film: 10) manufactured to collect light by impregnating and attaching a transparent magnifier 11 in the form of magnifier inside to the projector 20 side, A transparent, high gloss and smoothness of the smoothing screen film 30 is bonded to the opposite side of the screen projection film 10 facing the projector 20, The anti-reflective bendable projection screen, characterized in that by adhering the matte-treated non-reflective film 40 to disperse reflection of light on the observer side of the smoothing screen film (30). The anti-reflective bendable projection screen according to claim 1, wherein the smoothing screen film (30) is made of a polyester film. The anti-reflective bendable projection screen according to claim 1, wherein the screen projection film (10), the smooth screen film (30), and the anti-reflection film (40) are made of a soft material so as to be bent freely. In the screen processing the image of the projector, A transparent magnifying glass 11 in the form of a fine magnifying glass is impregnated and attached therein to form a screen projection film (RPF: Rear Projection Film: 10) manufactured to collect light, Adhering the smoothing screen film 30 having transparent, high gloss, and smoothness to both sides of the screen projection film 20, respectively, The anti-reflective bendable projection screen, characterized in that by adhering the non-reflective film 40, the matte treatment to disperse reflection of light on both sides of the smoothing screen film (30). The anti-reflective bendable projection screen according to claim 4, wherein the smoothing screen film (30) is made of a polyester film. The anti-reflective bendable projection screen according to claim 4, wherein the screen projection film (10), the smooth screen film (30), and the anti-reflection film (40) are made of a soft material so as to be bent freely.

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