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PenTile matrix family
PenTile matrix is a family of patented subpixel matrix schemes used in electronic device displays. PenTile is a trademark of Samsung.
These subpixel layouts are specifically designed to operate with proprietary algorithms for subpixel rendering embedded in the display driver, allowing plug and play compatibility with conventional RGB (Red-Green-Blue) stripe panels.
==History==
"PenTile Matrix" (a neologism from penta-, meaning "five" in Greek and tile) describes the geometric layout of the prototypical subpixel arrangement developed in the early 1990s.〔(【引用サイトリンク】url=http://due-diligence.typepad.com/blog/2007/06/pentile_matrix_.html )〕 The layout consists of a quincunx comprising two red subpixels, two green subpixels, and one central blue subpixel in each unit cell. It was inspired by biomimicry of the human retina which has nearly equal numbers of L and M type cone cells, but significantly fewer S cones. As the S cones are primarily responsible for perceiving blue colors, which do not appreciably affect the perception of luminance, reducing the number of blue subpixels with respect to the red and green subpixels in a display does not reduce the image quality.〔() Brown Elliott, C.H., "Reducing Pixel Count without Reducing Image Quality", ''Information Display Magazine'', December, 1999〕 This layout is specifically designed to work with and be dependent upon subpixel rendering that uses only one and a quarter subpixel per pixel, on average, to render an image. That is, that any given input pixel is mapped to either a red-centered logical pixel, or a green-centered logical pixel.
PenTile was invented by Candice H. Brown Elliott, for which she was awarded the Otto Schade Prize in 2014.〔(【引用サイトリンク】url=http://informationdisplay.org/IDArchive/2014/MarchApril/HonorsandAwards.aspx )〕 The technology was licensed by the company Clairvoyante from 2000 until 2008, during which time several prototype PenTile displays were developed by a number of Asian liquid crystal display (LCD) manufacturers. In March 2008, Samsung Electronics acquired Clairvoyante's PenTile IP assets. Samsung then funded a new company, Nouvoyance, Inc. to continue development of the PenTile technology.〔(【引用サイトリンク】url=http://www.nouvoyance.com/news-031908.html )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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