3D technology that requires wearing no glasses is rapidly developing. Just recently Samsung introduced a giant 55-inch TV set that employs 3D LCD technology with no need to wear 3D glasses. It has 9 viewpoints in the 3D mode. A viewer is recommended to sit in the range 8-20 feet away from the screen in order to enjoy 3D effect. The TV set can work in 2D as well. The principle of this product is that it beams different images for each eye thanks for a changing optical refraction index of the front LCD panel.

It is still in the prototype release and its current specifications are a 1920x1080 resolution, 4,000:1 contrast ratio, and 500cd/m2 brightness. It is estimated to take up to three years before this prototype will become a commercial product.

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