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From Planar Systems, Inc.
A 2.4 in. by 2.4 in. TFT LCD is presented with an embedded 60x60 array of a-Si photo sensors, for use as a high performance touch-enabled LCD with low cost. In the shadow mode the optical touch screen operates with finger or stylus input under ambient lighting conditions from 50 lux to 50 klux. TFT LCDs with touch screens have become popular in displays for industrial and retail applications, as well as in PDAs and emerging tablet PC products. The majority of touch-enabled AMLCDs are based on resistive, capacitive or inductive touch technology. All these solutions require externally added components or screens, which add cost and reduce optical performance. For example, the most commonly used and currently lowest cost approach is based on resistive touch panels, which reduce display transmittance by about 20 %, increase reflectance and have a limited lifetime. Products & Services
Industrial computer monitors are ruggedized for use in control room, factory floor, or process applications.
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Touch screen displays are user-friendly input devices. The user touches the screen and the input is communicated directly to the computer.
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Learn more about Touch Screen Displays
Touch screen sensors are composed of a transparent touch surface surrounded by a sensor array that provides positional information to a processor.
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Learn more about Touch Screen Sensors
Flat panel displays (FPDs) are thin, flat, electronic devices used to display data. They are commonly used in notebook computers. Most styles include the housing and ports necessary to connect them to a computer.
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Learn more about Flat Panel Displays
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Topics of Interest
Overview
In this chapter, a number of specific AMLCD configurations are described that are different from the standard, stand-alone transmissive color TFT LCD.
Ultra-high-resolution monochrome...
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Wei-Chung Cheng Massoud Pedram,
University of Southern California
OVERVIEW
Abstract This chapter presents transmittance scaling; a technique aimed at conserving power in a transmissive...
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Flat panel displays, exposed to ambient sunlight conditions such as those in ATMs and point-of-sale terminals, that are installed outdoors or exposed to direct sunlight are problematic. High ambient...
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The image quality and small form factor of TFT LCDs has allowed their application in numerous portable devices as well as in desktop monitors and LCD television. This chapter first describes the basic...
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A touch-sensitive switch is a switch that is implemented as a trace on a printed circuit board. The architecture of the trace creates a capacitive element on the board. Touching this trace with your...
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