Glossary

A

AG – Anti Glare

An anti-glare film is placed on the top of a display to help prevent overhead or ambient light glare on the screen.
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ARM - Advanced RISC Machines

One of a family of processors based on RISC architecture
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C

CISC - Complex Instruction Set Computer

Processors designed with full set of instructions to provide functions in the most efficient way.
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COB – Chip on Board

A chip-on -board is a chip that is wired and bonded onto a motherboard
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COG – Chip on Glass

LCD driver chip mounted directly onto the display glass
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COM - Computer on Module

Computer-on-Modules otherwise known as System on Chips are tiny-sized, but fully-featured development boards consisting of a microprocessor, RAM, I/O and a host of other functionality.
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CR – Contrast Ratio

The ratio of the brightest white to the darkest black on a display. The larger the number, the greater the extremes.
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D

DSTN – Double Super Twisted Nematic

DSTN is a passive-matrix display technology, an improvement on STN technology, that splits the LCD screen in two sections.
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DVI – Digital Visual Interface

An interface used to transmit digital video content onto a display.
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E

EMC - Electromagnetic Compatability

Electromagnetic compatibility (EMC) is the concept of enabling different electronics devices to operate without interfering with each other.
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EMI - Electromagnetic Interference

Unwanted electromagnetic radiation that causes potential interference to other items of electronics equipment in close proximity.
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ESD – Electrostatic Discharge

The release of static electricity when two different charged objects come into contact with each other.
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F

FFSTN – Double Foil compensated Twisted Nematic

A variation of the Super Twisted Nematic Display providing better optical performance.
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FSTN – Foil/Film compensated Super Twisted Nematic

A variation of the Super Twisted Nematic Display providing better optical performance
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H

HDMI – High-Definition Multimedia Interface

An interface used to transfer high definition video and audio over a single cable.
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HVGA – Half VGA

A display resolution which is half the size of a VGA (commonly 480 x 320)
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I

I2C -Inter Integrated Circuit

A protocol intended to allow multiple "slave" digital integrated circuits ("chips") to communicate with one or more "master" chips.
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IC – Integrated Circuit

A set of electronic circuits on one silicon based semiconductor
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IPS – In Plane Switching

In-Plane Switching (IPS) is a recent technology that overcomes the viewing limitations of conventional TFT-LCDs. It is also known as Super TFT.
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L

LCD – Liquid Crystal Display

A display that uses the light-modulating properties of liquid crystals.
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LED – Light Emitting Diode

An LED is an electronic device that emits light when an electrical current is passed through it.
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M

MIPI-DSI - Mobile Industry Processor Interface

A specification of the MIPI alliance aimed at reducing the cost of display controllers in a mobile device
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O

OCA – Optically Clear Adhesive

An optically clear liquid adhesive used to bond touchscreens and displays devices to the coverlens
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Optical Positioning Touch

Touch technology relying on infra-red LEDs
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P

PCAP – Projected Capacitive Touch panel

A layer of glass with a matrix of conuctive elements behind that when pressed with another conductive input (ie human finger) registers a touchpoint..
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R

Resistive Touch

A resistive touchscreen works on a number of layers and when the layers are pressed together, a touchpoint is registered.
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RISC - Reduced Instruction Set Computer

Processors with reduced instruction sets for lower power and faster processing.
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S

SBC - Single Board Computer

Single Board Computers, or SBCs are ready to go and motherboards including a processor, RAM, I/O and a variety of other features.
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SPI – Serial Peripheral Interface

A serial communication interface used to send short distance communucation in embedded systems.
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Spot Facing

Adding a tactile dip to a display surface to give the illusion of 3D touch
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STN – Super Twisted Nematic

A type of passive matrix monochrome liquid crystal display, providing better viewing angles and performance than a TN display
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T

TAB – Tape Automated Bonding

The process of mounting a die on a flexible tape made of polymer material, such as polyimide.
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TFT – Thin Film Transistor

A TFT display is a form of Liquid Crystal Display with thin film transistors for controlling the image formation. The TFT technology works by controlling brightness in red, green and blue sub-pixels through transistors for each pixel on the screen.
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TN – Twisted Nematic

A very fast, low cost LCD display technology developed in the 1980s
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V

VA - Vertical Alignment

A type of LCD in which the liquid crystals naturally align vertically to the glass substrates.
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X

X86 - Complex Instruction Set Computer

x86 has become the common term used to describe a CPU instruction set compatible with the Intel 8086 and its successors.
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