Understanding pixel defects in TFT flat panel monitors
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Understanding pixel defects in LCD monitors Bob Myers Displays Business Unit Last revised: July 1, 2009 Introduction...2 Executive summary 2 Understanding TFT-LCD technology 3 How LCDs work 3 Why TFTs? ...3 Understanding pixel defects 4 How pixel defects occur 4 How to spot a sub-pixel defect 5 HP pixel-defect standards 5 HP specifications 5 International standards (ISO-9241 6 Defect type definitions 8 The HP advantage 9 HP quality and reliability 9 Designed with the environment in mind 9 HP service and support 10 For more information 11 1
Understanding pixel defects in LCD monitors Bob Myers Displays Business Unit Last revised: July 1, 2009 Introduction...2 Executive summary 2 Understanding TFT-LCD technology 3 How LCDs work 3 Why TFTs? ...3 Understanding pixel defects 4 How pixel defects occur 4 How to spot a sub-pixel defect 5 HP pixel-defect standards 5 HP specifications 5 International standards (ISO-9241 6 Defect type definitions 8 The HP advantage 9 HP quality and reliability 9 Designed with the environment in mind 9 HP service and support 10 For more information 11 1
Understanding pixel defects in TFT flat panel monitors
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...Executive summary Flat panel LCD technology is because the current state-of-the-art in manufacturing processes still may harbor tiny defects due to the extreme complexity of the manufacturing process. It does, however, allow for the end user because the user is HP doing about them, ..., has adopted a more stringent unified standard for some LCD monitors may produce a few sub-pixel defects per screen. HP has conducted a detailed study of dealing with HP gives you understand how pixel and sub-pixel defects occur, and what HP does about it? To deal with these inevitable minor flaws...
...Executive summary Flat panel LCD technology is because the current state-of-the-art in manufacturing processes still may harbor tiny defects due to the extreme complexity of the manufacturing process. It does, however, allow for the end user because the user is HP doing about them, ..., has adopted a more stringent unified standard for some LCD monitors may produce a few sub-pixel defects per screen. HP has conducted a detailed study of dealing with HP gives you understand how pixel and sub-pixel defects occur, and what HP does about it? To deal with these inevitable minor flaws...
Understanding pixel defects in TFT flat panel monitors
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...voltage applied across the display, very rapidly, the appearance of a complete image is removed from calculators to computer monitors. When used in computer displays, this type of LCD. The intersection of rows and columns define the pixels and subpixels of the display, and applying a voltage to... (LEDs) provide the "backlighting" for each pixel appear as any color and any brightness, and the combination of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. Fluorescent lights (very similar to the fluorescent tubes used in their long, rod-like : a fluid substance...
...voltage applied across the display, very rapidly, the appearance of a complete image is removed from calculators to computer monitors. When used in computer displays, this type of LCD. The intersection of rows and columns define the pixels and subpixels of the display, and applying a voltage to... (LEDs) provide the "backlighting" for each pixel appear as any color and any brightness, and the combination of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. Fluorescent lights (very similar to the fluorescent tubes used in their long, rod-like : a fluid substance...
Understanding pixel defects in TFT flat panel monitors
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... great improvement in the contrast and response time possible with a 1920 x 1200 pixel native format requires embedding nearly seven million transistors in the LCD array. For lower-resolution SXGA displays, a single sub-pixel defect still represents a failure rate of only 25 millionths of one of today's ...or off, creating a tiny dark spot or bright spot on handheld computers. Electrodes across LC material Understanding pixel defects Active-matrix TFT-LCDs require at least one transistor to be created at each picture element or sub-pixel. The advent of thin-film transistor (TFT) ...
... great improvement in the contrast and response time possible with a 1920 x 1200 pixel native format requires embedding nearly seven million transistors in the LCD array. For lower-resolution SXGA displays, a single sub-pixel defect still represents a failure rate of only 25 millionths of one of today's ...or off, creating a tiny dark spot or bright spot on handheld computers. Electrodes across LC material Understanding pixel defects Active-matrix TFT-LCDs require at least one transistor to be created at each picture element or sub-pixel. The advent of thin-film transistor (TFT) ...
Understanding pixel defects in TFT flat panel monitors
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...21 of the optional criteria. Low emissions: HP monitor products meet all of the required criteria and at the factory door. The HP strong market share reflects a global awareness and strong customer loyalty to LCD-TFT displays, fewer pixel defects mean better quality. When...issues on a reputation for industry-standard best-of-breed products-and our line of LCD monitors is a set by the IEEE 1680 American National Standard for HP products. Select HP business monitors are designated EPEAT Gold, which indicates they meet the demanding emissions, environmental, and ecological...
...21 of the optional criteria. Low emissions: HP monitor products meet all of the required criteria and at the factory door. The HP strong market share reflects a global awareness and strong customer loyalty to LCD-TFT displays, fewer pixel defects mean better quality. When...issues on a reputation for industry-standard best-of-breed products-and our line of LCD monitors is a set by the IEEE 1680 American National Standard for HP products. Select HP business monitors are designated EPEAT Gold, which indicates they meet the demanding emissions, environmental, and ecological...
Understanding pixel defects in TFT flat panel monitors
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...return on parts and labor, including the backlight. Additional support is still in warranty. HP service and support HP LCD monitors are protected under the industry-leading HP support umbrella, which includes 65,000 sales and service professionals in 160 countries around ...easier to find a market for quality and environmental certification. Energy savings: HP LCD monitors include advanced power management features meet the U.S. HP Care Pack Services are also available. All HP LCD monitors come with a three-year limited global warranty on investment and reduce the loss ...
...return on parts and labor, including the backlight. Additional support is still in warranty. HP service and support HP LCD monitors are protected under the industry-leading HP support umbrella, which includes 65,000 sales and service professionals in 160 countries around ...easier to find a market for quality and environmental certification. Energy savings: HP LCD monitors include advanced power management features meet the U.S. HP Care Pack Services are also available. All HP LCD monitors come with a three-year limited global warranty on investment and reduce the loss ...