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Subpixel rendering is a method used to increase the effective resolution of a color display device. It takes advantage of each pixel 's composition of individually addressable red, green, and blue components adjacent on the display matrix, called subpixels , and uses them as rendering units instead of pixels.
PenTile RGBW technology, used in LCD, adds an extra subpixel to the traditional red, green and blue subpixels that is a clear area without color filtering material and with the only purpose of letting backlight come through, [24] hence W for white. This makes it possible to produce a brighter image compared to an RGB-matrix while using the same ...
Photographs of various displays, showing various pixel geometries. Clockwise from top left, a standard definition CRT television, a CRT computer monitor, a laptop LCD, and the OLPC XO-1 LC display. The components of the pixels (primary colors red, green and blue) in an image sensor or display can be ordered in different patterns, called pixel ...
For example: Text rendered using ClearType using subpixels. LCD screens typically use a staggered grid, where the red, green, and blue components are sampled at slightly different locations. Subpixel rendering is a technology which takes advantage of these differences to improve the rendering of text on LCD screens.
ClearType is Microsoft's implementation of subpixel rendering technology in rendering text in a font system. ClearType attempts to improve the appearance of text on certain types of computer display screens by sacrificing color fidelity for additional intensity variation. This trade-off is asserted to work well on LCD flat panel monitors.
The LCD panel is powered by LCD drivers that are carefully matched up with the edge of the LCD panel at the factory level. The drivers may be installed using several methods, the most common of which are COG (Chip-On-Glass) and TAB ( Tape-automated bonding ) These same principles apply also for smartphone screens that are much smaller than TV ...
The first image is on the right, and was drawn explicitly to demonstrate LCD subpixel positioning, and it compares normal greyscale antialiasing with raw subpixel antialiasing (the ugly kind :-) ) and a sort of "filtered" subpixel antialiasing, along with some color scales to let the user see the way the filter works, how the subpixels are ...
In computer graphics, a line drawing algorithm is an algorithm for approximating a line segment on discrete graphical media, such as pixel-based displays and printers. On such media, line drawing requires an approximation (in nontrivial cases). Basic algorithms rasterize lines in one color.