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CoolTouch Monitors, LLC Warranty |
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What the warranty covers: | ||||||||
CoolTouch Monitors warrants its products to be free from defects in material and workmanship during the warranty period of one-year. If a product proves to be defective in material or workmanship during the warranty period, CoolTouch Monitors will, at its sole option, repair or replace the product with a similar product. The replacement unit will be covered by the balance of the time remaining on the customer's original limited warranty. CoolTouch Monitors provides no warranty for the third-party software included with the product or installed by the customer. This warranty is valid only for the first purchaser and is non-transferable. | ||||||||
What the warranty does not cover: | ||||||||
1. Any product on which the serial number has been defaced, modified or removed. | ||||||||
2. Damage, deterioration or malfunction resulting from: | ||||||||
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3. Removal, installation, and set-up service charges. | ||||||||
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(800 Horizontal Pixels) * (600 Vertical Pixels) * (3 sub-pixels per pixel) = 1,440,000 sub-pixels |
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[(7 non-performing pixels) / (1,440,000 sub-pixels)] * 100% = 0.00048% |
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To ensure the highest performing displays, CoolTouch sets limits as to the allowable number of pixel anomalies. CoolTouch has adopted the following pixel criteria to supplement our existing one-year limited warranty. This policy applies to all CoolTouch LCD display products during the warranty period. Acceptable Criteria: |
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These acceptable criteria are applied throughout our LCD monitor range within 1 year from purchase. |
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Explanation A pixel or picture element, is composed of three sub-pixels in the primary colors of red, green, and blue. At each pixel position in an AMLCD (active matrix liquid crystal display) flat screen monitor, three cells of liquid crystal material form the red, green and blue sub-pixels that together allow the full range of colors to be displayed. Individual transistors are arranged in an array on the rear glass to control each sub-pixel. An anomaly on any one of these individual transistors will cause a bright or dark pixel to appear. These anomalies generally occur only during manufacturing, and additional bright or dark pixels should not appear over time. |
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The allowable number of non-performing pixels has a direct impact on the yield of the process. If the industry attempted to set a zero standard, the current manufacturing yield would be so low that the cost of an LCD display would be many times higher than it is today. Luckily, most customers and applications are tolerant of a low level of non-performing pixels and prefer the lower cost that the existing standards allow. | ||||||||