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Flat-panel displays are thin panels of glass or plastic used for electronically displaying text, images, or video. Liquid crystal displays (LCD), OLED (organic light emitting diode) and microLED displays are not quite the same; since LCD uses a liquid crystal that reacts to an electric current blocking light or allowing it to pass through the panel, whereas OLED/microLED displays consist of ...
A liquid-crystal display ( LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [ 1] but instead use a backlight or reflector to produce images in color or monochrome.
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Flat-panel displays can be divided into two display device categories: volatile and static. The former requires that pixels be periodically electronically refreshed to retain their state (e.g. liquid-crystal displays (LCD)), and can only show an image when it has power. On the other hand, static flat-panel displays rely on materials whose color ...
Cowon Systems, Inc. (simply known as Cowon) is a South Korean consumer electronics and software corporation. The company’s initial focus was software development and microelectronics, specializing in speech synthesis and speech recognition technology. [ 3] In 2000, with the introduction of the iAUDIO CW100, Cowon expanded into the portable ...
The camcorder shares some components with the HDC-HS300/HDC-TM300/HDC-SD300 consumer series, in particular the 1/4.1-inch 3MOS imaging system, the 12× Leica Dicomar lens and the 2.7-inch touch-sensitive LCD screen. Video is recorded onto a Secure Digital card in 720p, 1080i and 1080p formats with data rate up to 24 Mbit/s.
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
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