First understanding of lcd
1. Resolution
LCD pinpoints show through liquefied crystal pixels, but due to the fact the quantity and position of liquefied crystal pixels are established, the drinking water crystal is only able to get the finest monitor final final result under the normal appearance remedy, and beneath the non-normal option. It is calculated by the ic inside the LCD through an interpolation algorithm, and the picture will become blurred. However, the real resolution of the LCD display is determined by the LCD panel size. The real resolution of 15 inches is 1024×768, 17 inches It is 1280×1024.We are the lcd manufacturers for small size displays such as 1.8inch 128x160, 2.0inch 176x220, 2.0inch 240x320 IPS, 2.8inch 240x320, 3.5inch 320x240 and 3.5inch 320x480 IPS ect.
2. LCD dot pitch
The concept of the pixel pitch of any Liquid crystal screen resembles the dot pitch from the CRT. However, the former is not as important as the latter for product performance. The dot pitch of the CRT will vary depending on the design of the mask or raster, the type of video card, and the vertical or horizontal scanning frequency. The number of pixels of the LCD display is fixed. Therefore, as long as the size and resolution are the same, the pixel pitch of all products should be the same. For example, a 15-inch LCD monitor with a resolution of 1024×768 has a pixel pitch of 0.297mm (some products are also labeled as 0.30mm).
3. Ripple
Ripple (also called Moire) is likewise unseen like period. Water ripples will show phase results like water ripples on the screen. Under regular conditions, it is actually very difficult to find out, but you can even It could be discovered having an all-white-colored display screen. Although it is not necessarily very easy to identify, you will learn a minor duration involving the station along with the demonstrate. If you look closely, you can find that the water ripple can also be adjusted.
4. Response time
Response time is a vital indication of Liquid crystal screen. It refers to the speed at which each pixel responds to the input signal, that is, the speed at which the pixel changes from dark to bright or from bright to dark. Its unit is milliseconds (ms). The smaller the response time The better, if the response time is too long, a more serious "tailing" phenomenon will occur when displaying dynamic images (especially when watching DVDs or playing games). At present, the response speed of most LCD displays is around 25ms. For example, some high-end products such as BenQ and Samsung have a response speed of 16ms and even now there are 12ms LCDs.
5. Viewing angle
Watching position is yet another very important parameter of LCD display. Since the LCD display must be within a certain viewing angle range to obtain the best visual effect, if viewed from other angles, the brightness of the screen will become darker (brightness diminishes), the color will change, and even some products will change from the normal image. Become a negative image. The resulting angle between up and down (vertical viewing angle) or left and right (horizontal viewing angle) is the "viewing angle" of the LCD. Since the light source that provides LCD display displays has a certain directionality when it is output after refraction and reflection, color distortion will occur when viewed beyond this range.
6. Refresh rate of LCD display
Due to the difference in design, LCD monitors actually do not flicker like CRT monitors due to the high or low refresh rate. For CRT monitors, the refresh rate is related to the screen update speed. The faster the speed, the less likely the screen will flicker. The invigorate rate is generally above 75Hz, to make certain consumers will never hold the monitor flicker (if you have observed the image taken on from the camera) Throughout the keep an eye on screen, you will see that there are actually dark darkish regions blinking individually. If the refresh rate is higher, the number of flashes of this black shadow will be lower, which is better for the user’s eyes).
7. Brightness and contrast
Brightness is measured in candles per square meter (cd/m2). The brightness is usually indicated in the specifications of liquid crystal displays, and the indication of brightness is the maximum brightness that the backlight light source can produce. Generally, LCD monitors have the ability to display brightness of 200cd/m2, even higher than 300cd/m2. The higher the brightness, the wider the application environment.
At present, there are two strategies to improve the lumination, the initial one is to increase the light transmission amount of the LCD solar panel other would be to improve the brightness in the history light, which is, raise the number of lamps. It should be noted here that a brighter product is not necessarily a better product, and whether the brightness is uniform is the key, which is not found in the product specifications. Whether the brightness is uniform or not is closely related to the number and configuration of the light source and reflector. The brightness of the place far away from the light source must be darker.
like：