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An organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, [1] [2] is a type of light-emitting diode (LED) in which the emissive electroluminescent layer is an organic compound film that emits light in response to an electric current.
Laser printing is commonly used by direct mail companies to create variable data letters or coupons. Pad printing, popular for its ability to print on complex three-dimensional surfaces; Relief print, mainly used for catalogues; Screen printing for a variety of applications ranging from T-shirts to floor tiles, and on uneven surfaces
The computer sends data to an output device; examples: monitor, printer, headphones, and speakers The computer sends and receives data via an input/output device ; examples: storage device (such as disk drive , solid-state drive , USB flash drive , memory card and tape drive ), modem , router , gateway and network adapter
This allows the user to navigate easily and type with a virtual keyboard on the screen or press other icons on the screen to open apps or files. The first tablet to do this was the GRiDPad by GRiD Systems Corporation ; the tablet featured both a stylus , a pen-like tool to aid with precision in a touchscreen device as well as an on-screen ...
Close-up of the surface of a lenticular print. Lenticular printing is a technology in which lenticular lenses (a technology also used for 3D displays) are used to produce printed images with an illusion of depth, or the ability to change or move as they are viewed from different angles.
Wide-format printers usually employ some variant of inkjet or toner-based technology to produce the printed image; and are more economical than other print methods such as screen printing for most short-run (low quantity) print projects, depending on print size, run length (quantity of prints per single original), and the type of substrate or ...
Unlike other printing protocols, IPP also supports access control, authentication, and encryption, making it a much more capable and secure printing mechanism than older ones. IPP is the basis of several printer logo certification programs including AirPrint, IPP Everywhere, [1] and Mopria Alliance, and is supported by over 98% of printers sold ...
Thermal-transfer printing is done by melting wax within the print heads of a specialized printer. The thermal-transfer print process utilises three main components: a non-movable print head, a carbon ribbon (the ink) and a substrate to be printed, which would typically be paper, synthetics, card or textile materials.