How to choose LCD TV - LCD TV - HC Network Appliance Industry
1. To see service protection
Although LCD Liquid crystal Screen is not easy problems, but if is a problem, maintenance is a very troublesome thing. Most manufacturers offer a range of 1 to 3 years warranty, some companies even provide free home repair services and warranty cost reduction.
2. Check dead pixel
LCD liquid crystal screen of the most common problem is "bad points", although many products claim their products are "no dead pixel", but the assessment of various manufacturers dead pixel Standard Different, what products to use for a long time there is a product defect be considered dead pixels? Be considered more than a few points or bad points? Be sure to ask these evaluation criteria, so that rights are infringed. General quality LCD TV There are strict controls on the number of dead pixels.
3. Screen options should not be too big
Traditional TV screens in the advertised specifications for the 17-inch, but Panel Around 1 inch or so can not be used to display the actual visual size of only about 15 inches and more. Which marked a 15-inch LCD screen, the actual visual size is 15 inches. Consumers purchase shall be based on Room Choose the right size the size of the screen so as not to cause too much instead of oppressive. If the living room area of 30 square meters, select 32-inch LCD TV around on it.
4. Viewing Angle
Sold on the current LCD market Monitor , The viewing angle is symmetrical (that is, from the left or right you can see the angle of the image on the screen is the same. For example, 60 degree viewing angle on the left, the right must be the 60-degree viewing angle). The upper and lower viewing angle is usually less than about viewing angle. From the standpoint of the user, of course, the bigger the better viewing angle.
5. Brightness selection
Brightness is the brightness of the screen, the unit is cd/m2, or nits. Brightness is too low is not conducive to clear the video screen to show, for some dark scenes even more helpless. In addition, the screen's brightness uniformity is also very important, but in the LCD TV product specifications usually do not do in labeling. Uniform brightness or not, and the backlight source and the mirror is closely related to the quantity and configuration. The screen switches to a black screen state, the more likely to capture the situation of uniform brightness.
6. Color Choice
LCD can display wide color gamut than CRT, so if the performance of objects from the real color of the point of view, LCD TV is smaller than CRT TVs. The purchase of LCD TV, choose to have more color adjustment function to adjust the model is conducive to their more natural color images.
7. Note the contrast
Most common entry-type screen with 300:1 contrast effect, middle-level models have 450:1,500:1, if the actual comparison to introduce the high-end model of the image file display capabilities, with high contrast screen, the color gradient effects will be more obvious, the performance of color are more lively and rich, which mainly depends on the user's needs.
8. Shall not be greater than 16ms response time As the imaging principle limited response time of LCD TV display rather long, reflecting the image that is prone to image blur and smear campaign, which for a dynamic image-based video programming is very unfavorable. This indicator is of course the smaller the better. After the major LCD manufacturers efforts, now most of the TV with LCD screen is done about 16ms response speed, the appreciation for the television program basically does not constitute a problem.
9. Image Resolution
LCD TV's resolution is fixed, unlike Computer LCD so you can adjust the resolution.
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