The ThinkPad has introduced innovations, including the TrackPoint pointing device, the ThinkLight, a LED keyboard light at the top of the LCD screen, the Active Protection System, an accelerometer sensor which detects when a ThinkPad is falling and shuts down the hard disk drive to prevent damage, roll cage design to minimize motherboard flex, stainless steel hinges, a biometric fingerprint reader, Client Security Solution, which improves security using a built-in Trusted Platform Module ( TPM ) and facilitates deployment in corporate environment, the ThinkVantage Technologies suite of computer management applications, and drain holes to help reduce damage to the keyboard and components from accidental spillage.

A cooling fan in the frame of the LCD panel would blow cooling air across the LCD to prevent overheating that would fog the image.

While flicker does not occur on LCD displays, it is still necessary to avoid modifying graphics data except during the retrace phase to prevent tearing from an image that is rendered faster than the display operates ( LCDs normally always refresh at 60 frame / s ).

In order to prevent damage, LCD displays quickly alternate the voltage between positive and negative for each pixel, which is called ' polarity inversion '.

Fortunately, unlike modern autofocus cameras with LCD ' Command Center ' panels, malfunction of the F3's LCD viewfinder display does not prevent full operation of the camera, since this is accomplished with manual dials and indicators.

Also known as liquor carbonis detergens ( LCD ), and liquor picis carbonis ( Latin: coal tar solution ) ( LPC ), it can be used in medicated shampoo, soap and ointment, as a treatment for dandruff and psoriasis, as well as being used to kill and repel head lice.

Maope became the leader of the LPC ; another leading member of the LCD, Shakhane Mokhehle, also became a leading member of the LPC.

The interior of a Casio scientific calculator from the late 1980s, showing the processor chip ( small square, top-middle, left ), keypad contacts ( 44 circles, inside back cover, right ; 44 matching contacts on a plastic sheet, left ), the back of the LCD display ( left side, top, marked 4L102E ), the battery compartment ( empty ) and other components.

LCD with top polarizer removed from device and placed on top, such that the top and bottom polarizers are parallel.

Another report on the origins and history of LCD from a different perspective until 1991 has been published by Hiroshi Kawamoto, available at the IEEE History Center.

As of 2012, this design gets most of its use from LCD televisions.

The size ( or spatial range ) of an LCD is always described in terms of the diagonal distance from one corner to its opposite.

For a computer monitor or some other LCD that is being viewed from a very close distance, resolution is often expressed in terms of dot pitch or pixels per inch.

Top to bottom viewing angles may still be restrictive, by design, as looking at an LCD from an extreme up or down angle is not a common usage model and these photons are wasted.

Specifically, the range is the pixel response time of an LCD, or how quickly a sub-pixel's brightness changes from one level to another.

LCD televisions also frequently have facial recognition software, which recognizes that an image on the screen is a face and both adjust the color and the focus differently from the rest of the image.

The LCD itself is only a light valve, it does not generate light ; the light comes from a backlight that is either a florescent tube or a set of LEDs.

In actual use, the room is never completely dark, as one will always have the light from the LCD itself.

With current LCD technology, brightness, though important, is usually similar from maker to maker and consequently is not discussed much, except for laptop LCDs and other displays that will be viewed in bright sunlight.

* As an inherently digital device, the LCD can natively display digital data from a DVI or HDMI connection without requiring conversion to analog, like a CRT would need.

The LCM is familiar from grade-school arithmetic as the " least common denominator " ( LCD ) that must be determined before fractions can be added, subtracted or compared.

Flat-panel liquid crystal display ( LCD ) monitors do not suffer from flicker even if their refresh rate is 60 Hz or even lower.

Display technologies different from CRTs, such as LCD, plasma, LED, etc.

Response time is the amount of time a pixel in an LCD monitor takes to go from one value to another and back again.

File: Uetliberg LCD. jpg | View from the top of the communications tower at Uetliberg.

driven from a transistor on the display ) Similar to LCD trends, there have also been Active Matrix EL ( AMEL ) displays demonstrated, where circuitry is added to prolong voltages at each pixel.

One very promising looking treatment is for the person suffering from motion sickness to wear LCD shutter glasses that create a stroboscopic vision of 4 Hz with a dwell of 10 milliseconds.

Such sources typically emit from a large area, which makes them suitable for backlights of LCD displays.

LCD computer monitors, including the display panels used in laptop computers, are not susceptible to burn-in because the image is not directly produced by phosphors ( although they can suffer from a less extreme and usually non-permanent form of image persistence ).

Monitors running screensavers consume the same amount of power as when running normally, which can be anywhere from a few watts for small LCD monitors to several hundred for large plasma displays.

The LCD shutter glasses rapidly alternate between the left and right lenses being opaque, used in tandem with two different alternating images flashed from the TV synchronized with the switching of the 3-D Glasses to create a natural stereoscopic 3D effect.

Other areas that add to everyday quality of life include: the innovations to the light bulb from incandescent to compact fluorescent then LED technologies which offer greater efficiency, durability and brightness ; adoption of modems to cellular phones, paving the way to smartphones which supply the public with internet access any time or place ; cathode-ray tube to flat-screen LCD televisions and others.

To present a high-contrast display these models illuminated the LCD using a filament lamp and solid plastic light guide, which negated the low power consumption of the display.

The best option for users of Windows XP having rotated LCD displays ( Tablet PCs or swivel-stand LCD displays ) is using regular anti-aliasing, or switching off font-smoothing altogether.

Some LCD monitors using this technology have a feature called " Dynamic Contrast " where the backlight is dimmed to the brightest color that appears on the screen, allowing the 1000: 1 contrast ratio of the LCD panel to be scaled to different light intensities, resulting in the " 30000: 1 " contrast ratios seen in the advertising on some of these monitors.

Instead, interfacing is accomplished using either adhesive plastic ribbon with conductive traces glued to the edges of the LCD panel, or with an elastomeric connector, which is a strip of rubber or silicone with alternating layers of conductive and insulating pathways, pressed between contact pads on the LCD and mating contact pads on a circuit board.

LCD pixels are manufactured in a two-dimensional grid, and are often represented using dots or squares, but CRT pixels correspond to their timing mechanisms and sweep rates.

In the movie Twister, the heroes can be seen using an SGI laptop computer, however the unit shown was not an actual working computer, but rather a fake laptop shell built around an SGI Corona LCD flat screen display.

In Switzerland, Ebauches Electronic SA presented a prototype eight-digit LCD wristwatch showing time and date at the MUBA Fair, Basle, in March 1973, using a Twisted Nematic LCD manufactured by Brown, Boveri & Cie, Switzerland, which became the supplier of LCDs to Casio for the CASIOTRON watch in 1974.

However, there can be picture quality degradation when compared to using a DVI or HDMI connection, especially on larger sized LCD / LED monitors or TVs.

Additionally, using a screensaver with a flat panel or LCD screen instead of powering down the screen can actually reduce the lifetime of the display, since the fluorescent backlight remains lit and ages faster than it would if the screen were turned off completely.

Also, the images above are based on what it would look like on a monitor that does not support interlaced scan, such as a PC monitor or an LCD or plasma-based television set, with the interlaced images displayed using the same mode as the progressive images.

Some K – 1 math standards such as the latest revision of the NCTM math standards and reform mathematics textbooks created since the 1990s de-emphasize or omit coverage of the LCD entirely in favor of finding any common, but not necessarily the lowest common denominator, or by using less powerful methods such as fraction strips or " benchmark " fractions.

By using a flat LCD screen and a computer server, menus can be digitally displayed allowing moving images, animated effects and the ability to edit details and prices.

Another advantage of using this LCD-projection system in large television sets is to allow better image quality as opposed to a single sixty-inch television, although currently an equal of an LCD projector is the LG 100-inch LCD TV, still in prototype stages this television is a huge advancement towards projector-sized televisions.

* LCD projector using LCD light gates.

They translate stenotype to English internally using user-specific dictionaries, and most have LCD screens.

This machine and its unique sequencer ( both Roland and other manufacturers used either a grid-based sequencer, showing the dots on an LCD, or another method that did not display the pattern at all ) were the basis for so-called grooveboxes — self-contained compact synthesizer workstations with rudimentary keyboards and pattern-based sequencers, aimed at creators of electronic music, using sample-based sound generation and a number of realtime controls.

Using a Kell factor of 0. 9, a 1080p HDTV video system using a CCD camera and an LCD or plasma display will only have 1728 × 972 lines of resolution.

The LaserJet 4 / 4 Plus / 4M / 4M Plus retained an alphanumeric display, and in fact upgraded from the LCD displays of earlier models by using a 16-character alphanumeric dot-matrix vacuum fluorescent display.