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Industrial Display

EuroPhotonics
Oct 2010
Sharp Devices Europe GmbHRequest Info
 
Sharp Microelectronics Europe GmbH is presenting a new industrial display with a screen diagonal of 30.7 cm and LED backlighting with high brightness of up to 1200 cd/m2. XGA resolution is 1024 x 768 pixels. The LQ121X3LG02 produces a contrast ratio of 1000:1, making it suitable not only for industrial applications such as measurement, testing or controlling equipment, but also for applications that are either totally or partially outdoors, where requirements include being able to withstand difficult light conditions such as direct sunlight or fluctuations in temperature. Its backlighting, with 5 x 8 LEDs, offers numerous advantages compared to displays with cold cathode fluorescent lamp backlights, such as rapid response and good dimming capability. The display brightness can be easily controlled by photodiodes and automatically adjusted in correlation with ambient light conditions, meaning that the display remains constantly and easy legible, even in frequently changing light conditions.


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GLOSSARY
backlighting
The forming of a clear silhouette of an object by placing a light source behind it. Used in machine vision when surface features of an object are not important.
cold cathode
A cathode that emits electrons, not with the influence of heat radiation, but by means of a high-voltage gradient at its surface.
sharp
A term used to describe a convex surface having too short a radius of curvature. To correct this condition, material is cut from the outer portion of the polishing tool.
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