04-13-2004, 10:00 PM
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Executive Editor
Join Date: Aug 2006
Posts: 29,160
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400 ppi Screen Coming From Samsung - Sort Of
"Samsung Electronics Co, Ltd of Korea exhibited a variety of panels, including a 2.03-inch LCD panel with the resolution equivalent to 400ppi, and a 1.83-inch QVGA-size LCD panel with the resolution of 223ppi, at the 19th "EDEX 2004 Electronic Display Exhibition." The exhibition was held at the Tokyo Big Sight April 7-9. The 2.03-inch panel developed by Samsung features Amorphous Si TFT technology.
While the number of pixels in the panel remains 240 x 640, the high-resolution display equivalent to the VGA format (400ppi and 480 x 640 pixels) was achieved with the company's original "Four Color Rendering" (4CR) technique, according to the company. It achieves the luminance of 200cd/m2, a contrast ratio of 200:1, and 262,000 colors for the display. The color reproduction area against NTSC is 70%. Samsung's 4CR is a technique to realize high resolution with fewer pixels by utilizing RGB sub-pixels on the adjoining scan lines in color and gradient renderings."
If I'm understanding this correctly, this is a 223 ppi screen that, though sub-pixel smoothing (similar to ClearType), has the equivalent resolution of a 400 ppi screen. 223 ppi is nothing to sneeze at mind you - 400 ppi would be incredibly clear. I'm a little suspicious of this though, because sub-pixel rendering is not the same as having real pixels, so I'm not going to get too excited about this until I see it in person. Let's hope this technology makes it's way into Samsung's Smartphones!
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