Rear Projection Tv

Lcos Rear Projection TV

Many of us are not aware of the technology behind the LCD or the plasma TV. The LcoS is an emerging LCD technology that operates differently from other LCD displays. The Lcos rear projection TVs work by directing a light through a series of polarizers. Before being magnified and projected onto the screen. LCoS is an acronym for liquid crystal on silicon. LcoS technology is an uncommon technology and is considered to be a supped-version of LCD.

Rear Projection TV in Brief

An image that is projected and reflected onto the screen from behind the screen is known as the Rear-projection. The television that uses this technology is known as the Rear projection television.

Rear projection TVs also known as big screen TVs are aimed at the group of consumers who cannot still afford the plasma and the LCD flat panel televisions. Price of this TV is comparatively less than the plasma and LCD TV. The basic elements of the rear projection TV are the

1. Type of projector technology used to produce a video image

2. The lens assembly that is used to magnify the projected image.

3. The screen on which the image is reflected.

4. The outer cover of the TV which contains the basic elements.

The screen size of the television varies from 40 inches to 70 inches.

What is LCos?

The LCos is a new hybrid projection TV technology that employs liquid crystals coated on a silicon chip. This technology creates higher-resolution images and the manufacturing cost is low. The companies that use this technology are Sony, Philips JVC, and Mitsubishi and so on.

LCoS Rear Projection TV Models

1. JVC's HD-52Z575. This was JVC's first attempt at LCoS- based RPTV. This model is an attractive 52 inch diagonal screen and has a black border that helps increase the perceived contrast ratio of the picture. Beneath the screen is a silver panel perforated by small speaker hole. This model is only an average at best.

2. Philips Cineos 44PL977S LCOS HD Monitor. This model has a 1,280:720 resolution and it is a high-definition capable TV. The size of the TV is slim and sleek with a silver cabinet. The Cineos has reasonable contrast and produces an extremely bright image, assuming that you consider 100 foot-Lamberts to be bright. The set has a reasonably good color decoder. The set has an incredible motion compensation and numerous inputs, including DVI with HDCP

LCoS has been through some trying times, and Philips, Toshiba, and Mitsubishi are among the heavy hitters that produced early-generation models, and then decided to abandon the technology.