| While purchasing a LCD display device, the | | | | methods. |
| salesperson might inform you about contrast ratio | | | | Methods of measuring contrast ratios |
| offered by the display. But, do you really understand | | | | There are various methods to measure the contrast |
| what this term essentially refers to? The interesting | | | | ratio displayed by various LCD TVs and other devices. |
| fact is that most of the merchants and salesman | | | | Here are few most popular of these methods: |
| selling these products are ignorant about a number of | | | | - The most popular method is to measure it in a room, |
| facts related to contrast ratio of LCD TV and other | | | | offering no obstacle to reflect the light emitted by TV. |
| displays. You may learn about this term here, so that | | | | This means that whole of these light rays are |
| you may employ your knowledge next time you make | | | | completely absorbed. However, it is not a good |
| a purchase for LCD display device. | | | | method to measure CR, as the room conditions of the |
| What is LCD contrast ratio? | | | | LCD TV customers might vary. |
| It is the ratio of light intensities of brightest and darkest | | | | - Another method is that of Ansi contrast, which unlike |
| colors of the display endowed with LCD capability. It | | | | the first method, consider varying room conditions into |
| might appear straightforward from the definition, but | | | | account. Thus, it is more apposite method to measure |
| contrast ratio is difficult to measure. The reason behind | | | | contrast ratio of a LCD TV. |
| this is that there are differences in the measurements | | | | Now, the most important question for which, you are |
| of CR from different methods. | | | | reading this page! Should the contrast ratio influence |
| Types of Contrast Ratios | | | | your decision for buying a LCD TV? If you go by the |
| In general, there are two types of contrast ratios | | | | specified value of dynamic CR, the chances are that |
| associated with LCD device displays. First is the static | | | | the value in reality may differ from what is told to you. |
| CR, which is the measure of ratio between brightest | | | | Thus, it is not advised to consider a particular LCD TV |
| and darkest colors appearing on the screen | | | | on the basis of dynamic contrast ratio only. |
| concurrently. On the other hand, the second type of | | | | In a layman language, you may consider the contrast |
| contrast ratio, known as dynamic CR, is measured as | | | | ratio of 1000:1 as an appropriate value for appreciating |
| ratio between brightest and darkest colors appearing | | | | a LCD device. You may also take suggestions from |
| on the display at different times. The presence of | | | | experts in the field to choose a contrast ratio |
| these two contrast ratio values bring in the difference | | | | according to prevailing conditions of your room. |
| between different values we get from different | | | | |