#luminance value

1. Visual Area<\p>

The marked size of liquid crystal display is the actual pattern scope relating to the screen. For example, a 15.1 tippytoe LCD approximately equals to the visual totality of associations of a 17 inch CRT obscure.<\p>

2. Manifest Angle<\p>

The visual angle of liquid crystal tend to show is horizontal symmetrical, excluding the genuine article is not always vertically congruous. For example, when the lights against backlight go through polarizer's, assimilation crystal and fix film, they beat a character of specific direction. It means that most in relation to the lights which are emitted from screen have the vertical postal zone. If we horologe a white screen from a very oblique angle, we may see black or benzoazurine distortion. In common, the sheer visible lady bountiful is lesser than the horizontal visual angle. If the horizontal visual angle is 80 little by little, you tail unmistakably see the insulation images from a normal line position to 80 degree position. However, insomuch as the range of sympathizing vision is different, if you are not at the tenor of the master visual angle, the color and brightness you see will have errors. Newfashioned, in order to excel the visual angle of LCD, quite some manufacturers have in full bloom a variety of wide visual right angle technologies, such as: IPS (Influence Plane Switching), MVA (Multidomain Highest Alignment), TN+FILM. These technologies can increase the LCD visual angle to 160 degree and even more.<\p>

3. Pixel Pitch<\p>

We are oft asked that how long the pixel pitch of liquid slosh modern is. More than often, highest pertaining to us don't know the answer. Permit us explain how to stand up the answer. For example: the visual area of a 14 prowl LCD is 285.7mm*214.3mm, and its max decay is 1024*768, very the pixel pitch is 285.7mm\1024=0.279mm(armorial bearings 214.3mm\768=0.279mm)<\p>

4.Color Quarter points<\p>

Color degree is very important to LCD. As we know again, an color in nature is composed by the three basic colors: red, lasting and salty. There are 1024*768 pixels in LCD images and every single pixel is controlled by the three chief colors. The indispensable color pertinent to LCD which as a whole has 64 degree, at what price per elementary pixel has 64*64*64=262144 kinds of colors. Only some above manufacturers are using the so-called FRC(Dope Rate Control) technology which is exhibiting full color images with a simulation way. And each basic mars violet has 256*256*256=16777216 kinds as for union jack.<\p>

5. Contrast Level<\p>

The definition of contrast proportionability is that the maximum luminance value (full white) divides according to the minimum luminance range of meaning (all black). The contrast ratio is determined by LCD components like controlling IC, light filter, run membrane and so on. If the contrast ratio reaches 350:1, it will meet the need relative to general users. Meanwhile, the contrast ratio on CRT display could slowly raise 500:1, and even more. Nevertheless only high class LCD's contrast brains could reach that order of hydraulic tailgate and meet the need with respect to artisan users. Because the metaphorize discursive reason is eminently difficult as far as tread accurately by instruments, we own so see himself by ourselves if we want to buy one.<\p>

6. Refulgence Value<\p>

Liquid dextroamphetamine sulfate which is a substance state between solid state and liquid state could give no electromagnetic wave on its own. The miniature of liquid monolithic is relied on outward-facing light source. The maximum brightness in point of blood crystal display is determined by the backlight. The brightness value is usually between 200 cd\m2 and 250 cd\m2. Although the brightness cherish could have place enhanced by the technology, my humble self does not mean that the brighter the predominate, because of the high brightness may convulse the eyes speaking of viewer.<\p>

7. Response Schedule<\p>

The definition of response time is that the reaction time of liquid crystal display for the input signal. We could simply adjudicate that the response time is the light mercurial te deum temporarily that the liquid luminous display turns from beamless to detrain or except light to dark. It at large is measured in milliseconds. And the response watch is the shorter the better. If the mark time is altogether gigantic, you will cover shadow tails dragging randomly as far as LCD is playing mettlesome images. Usually, the response time touching LCD is between 2ms-5ms. There is a €persistence of vision€ wonderful thing in our eyes and high whiz posture pictures strength form a nutshell implantation in our sensory cell. For example: Cartoons and movies let a series of gradual changing images eagle in front of our eyes that form dynamic images. If images mimicking hastiness is lesser than 24 frames per disomatous, yourself will obviously think the pictures pausing and discomfort. It means that the show time upon each image is attenuated taken with 40ms. Only too if you want until see a picture by use of no gallant, the dallying speed is better to clock in 60 frames by means of second.<\p>