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Epson ELP-3300 - Data/Video Projector Fiche technique

Technical Brief—Multimedia projectors

3. High aperture LCD panels:

The UHA (Ultra High Aperture) has increased the aperture ratio which allows more light through the lens.

EPSON produces the highest aperture LCD's, which are more transmissive.

4. Micro Lens Array:

MLA is a layer of the LCD composed of quartz crystal lenses. Each pixel has a dedicated lens that focuses and

maximizes the throughput of light from the lamp. MLA allows more light to pass through each pixel, more

than twice the light of LCD's of two years ago. (Not included on all EPSON projectors.)

5. "Metal Sandwich" technology:

A light shield of metal between the pixels blocks the light leakage. Cross-talk between pixels is reduced,

resulting in clearer, crisper images. (Not included on all EPSON projectors.)

Lamp light

Opposite

substrate

Optical glass

Image quality—Image clarity

EPSON projectors producte astonishingly clear, sharp images with a combination of these three technologies:

1. High illumination ratios:

The illumination ratio measures the relationship of the darkest spot (the corner) to the brightest spot on the

screen (the center). The higher the ratio, the more uniform the brightness.

2. High contrast ratios:

Contrast ratio measures the difference between the light and dark areas of the image. The higher the ratio the

sharper, more colorful, and more lifelike the images appear.

EPSON Sales Training

Traditional LCD structure

Black matrix

TFT

Pixel electrode

TFT

substrate

Liquid crystal

EPSON projectors produce

smooth, evenly lit images with

sharp contrast.

EPSON

PowerLite Projectors

➤

Award-

winning

projectors

EPSON and EPSON Stylus are registered trademarks of Seiko Epson Corporation.

Other trademarks are the property of their respective owners.

EPSON's advanced LCD technology

UHA LCD structure

(on most EPSON projectors)

Micro lens

Adhesive agent

Lamp light

Opposite

substrate

Optical glass

vs.

Competitive units can produce

"hot" centers with dark corners

and fuzzy contrast.

EPSON

Powerlite Projectors

➤

Award-

winning

projectors

Black matrix

ITO

Pixel electrode

TFT

Light shield

TFT

substrate

Liquid crystal

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