Glossary: Electronic; Laptop & Laptop LCD Screen Industry Definitions
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ScreenTek is proud to provide you this glossary of common terms in the laptop LCD screen industry, and in the laptop notebook industry. Feel free to become more familiar with the terms we use throughout our site. If you notice any glaring omissions, we'd be glad to hear about those. Drop us a line at sales@screentekinc.com.
Amperage
The strength of a current of electricity expressed and measured in amperes.
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Analog RGB
a component that uses no compression and impose no real limit on color depth or resolution, but require large bandwidth to carry the signal and contain much redundant data since each channel typically includes the same black and white image. Most modern computers offer this signal via the VGA port. Many televisions, especially in Europe, utilize RGB via the SCART connector. All arcade games, excepting early vector and black and white games, use RGB monitors.
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Column Inversion
The invention relates to a display with dot inversion or column inversion, particularly to a display with dot inversion or column inversion capable of saving power by using an equivalent shunt resistor and an inverter to balance the positive and negative charge or reduce the difference between the positive and negative charge, thereby power consumption in the switch.
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Column Spacers
A composition for forming column spacers is provided. The composition comprises a radical polymerization inhibitor. The use of the composition enables simultaneous formation of a saturated pattern and a semi-transmissive pattern as column spacer patterns having different shapes, whose difference in thickness is controllable as desired although the sensitivity is slightly reduced, through a slit or semi-transmissive mask by varying the kind and amount of the radical polymerization inhibitor. Further provided are column spacers formed using composition and a liquid crystal display using the column spacers.
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Compensation Films
To compensate for the change in birefringence due to the director pattern close to the substrate, a film is created that mirrors the director pattern of the activated TN-cell. This mirror image will change the birefringence in the opposite way the director does; therefore the phase difference of the light coming out of the cell-film combination will be the same as the phase difference of the light going into the cell-film combination. In principle, the ideal compensation film would have the exact director configuration of the TN-cell in the activated state. This can be achieved by two types of compensation layers a passive (no voltage) liquid crystal cell with a director that mirrors the activated state of the TN-cell or a polymer sheet. The disadvantage to the passive LC layer is the extra weight and thickness added to the display. Such a passive LC would also be more difficult to manufacture than the polymer compensation film. The disadvantage to the polymer films is that it is difficult to manufacture one that closely mirrors the TN director.
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Low voltage differential signaling (LVD)
An electrical signaling system that can run at extremely high speeds through cheap, twisted copper wire.
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Ohms
A unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals.
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Plasma display panel (PDP)
They are called "plasma" displays because the pixels rely on plasma cells, or what are in essence chambers more commonly known as fluorescent lamps. A panel typically has millions of tiny cells in compartmentalized space between two panels of glass.
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Threshold Voltage
A minimum gate voltage in the transistor at which the conduction of current begins.
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Voltage
Electric potential or potential difference expressed in volts.
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Wattage
A measurement of power, typically electrical power, expressed in watts or kilowatts.
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