How Light Resistant Screens Maximize Enjoyment from Your Home Entertainment System

Choosing the right projection screen is the first step to getting the most enjoyment from your home entertainment system. Even basic entry-level projectors require a flat surface to produce the best images.

Currently the range of available projection screen sizes and aspect ratios include 4:3, 16:9, 16:10, and 2.35:1. Widescreen 16:9 and 2.35:1 formats are the most popular size/ratios for homes.

This article will introduce various types of traditional projection screens as well as explain light rejecting screens.

What types of projection screens are currently available?

What is a light rejecting screen?

Advantages of BenQ’s light rejecting screen

What types of projections screens are currently available?

．Manual Projection Screen:

A type of screen requiring the user to manually pull the screen down, manual projection screens offer low cost. However, manual screens require readjustment each time it is pulled because the screen position will shift, and the screen can become curled or crimped over time.

．Floor Rising Screen:

This screen’s operation is the opposite of a manual projection screen, where the casing of the screen is placed on the floor and the screen pulled up into place. While it is convenient to use without any installation, this type of screen requires more space and is not aesthetically pleasing in a home setting, more suitable for outdoor or office use.

．Electric Projection Screen:

Commonly used in conference rooms and homes, electric screens automatically lower or rise to user-defined stopping points. Similar to manual projection screens, electric screens can become curled or crimped over time.

．Tab-Tensioned Electric Projection Screen:

This screen type uses electronic controls and tension cords on both sides of the screen to pull the screen tightly for flatness. While this type of screen prevents curling, it is a more expensive solution.

．Fixed Frame Projection Screen:

Fixed screens can be set up to hang on a wall like a painting, offering the best flat shape of the screens listed. These screens blend into surrounding décor for improved aesthetics, and the latest light rejecting screens also feature this type of installation method.

Even with all these options, most home theaters suffer from less-than-ideal lighting conditions (darkness with all lights off) or interference from outdoor light, and typical users find it difficult to block surrounding light from degrading projected image quality. With this in mind, the light rejecting screen - uniquely designed to combat ambient light - can provide superb image quality in home theaters, classrooms, or conference rooms without turning the lights off for comfortable viewing.

Light On

Light Off

What is a Light Rejecting Screen?

A light rejecting screen features special optical technology comprised of embedded black and white linear Fresnel lenses, whose black portions absorb ambient light while white elements reflect projected light directly to the viewer. This optical technology enables light rejecting screens to be used in fully lit indoor settings, creating the clearest and most faithful images of the highest quality.

*Light rejecting screens currently allow image width up to 100-inches (16:9 screen ratio) using projectors with 0.25 throw ratio or below. To ensure the effectiveness of light rejecting technology, the projector must be installed below the screen.

Black and White Linear Fresnel Lens Structure

Advantages of Light Rejecting Screens

Traditional projection screens rely on specular reflection, which causes problems with glare and the spotlight effect. To counteract these issues, light rejecting screens feature enhanced anti-glare (AG) properties with diffuse reflection to eliminate spotlighting.

Screens without anti-glare properties exhibit spotlight effects

Screens with anti-glare properties do not suffer spotlight effects

Regular projections screens also typically use flat screens or repeating optical structures, which contain major defects. Flat screens reflect much of the main projected light up towards the ceiling, causing diminished brightness and inadequate images, while screens with repeating optical structures result in uneven brightness uniformity regions.

Flat Screens- Main light is reflected toward the ceiling

Repeating Optical Structures- With centrally focused design, light from the top and bottom are uneven

With varying projection angles compounding the problems described above, a single design solution is incapable of addressing the problems of uneven brightness uniformity. Only an adaptive design can effectively deliver light to the viewer, and only light rejecting screens which employ a gradient optical structure can assure superior image quality.

Gradient Optical Structures- Because the angle of incoming light varies, only an adaptive design can effectively deliver light to the viewer, which requires gradient optical structures

Buying Tips: What are the Best Projection Screens?

• Choose projection screens made of materials that use PET and UV plastics. Compared to PC and TPU materials, they have better hardness, firmness, and scratch resistance.
• Choose screens whose designs feature gradient optical structures. Compared to the average fixed frame projection screen, screens with gradient optical structures require more complex craftwork but better resist light interference.
• Pitch structures can support 4K ultra short throw laser projectors, which significantly improve color saturation, sharpness, color restoration, and other image properties.

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How Light Resistant Screens Maximize Enjoyment from Your Home Entertainment System