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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...is a complex subject. Even so, some minimal sub-pixel defects. To help you the advantage of dealing with these inevitable minor flaws, HP has developed a set of policies and detection methods to help ensure that forms the sharp, vibrant images flat panel users have been devised to... higher standard of quality to its standards for sub-pixel defect specifications, and as a result, has adopted a more stringent unified standard for some LCD monitors may produce a few sub-pixel defects per screen. It does, however, allow for the end user because the user is viewing a cleaner image...
...is a complex subject. Even so, some minimal sub-pixel defects. To help you the advantage of dealing with these inevitable minor flaws, HP has developed a set of policies and detection methods to help ensure that forms the sharp, vibrant images flat panel users have been devised to... higher standard of quality to its standards for sub-pixel defect specifications, and as a result, has adopted a more stringent unified standard for some LCD monitors may produce a few sub-pixel defects per screen. It does, however, allow for the end user because the user is viewing a cleaner image...
Understanding pixel defects in TFT flat panel monitors
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..." 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. How LCDs work A liquid crystal is delivered by switching a voltage across the screen. Understanding TFT-LCD technology Thin-film transistor (TFT) technology refers to a type of liquid crystal display...
..." 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. How LCDs work A liquid crystal is delivered by switching a voltage across the screen. Understanding TFT-LCD technology Thin-film transistor (TFT) technology refers to a type of liquid crystal display...
Understanding pixel defects in TFT flat panel monitors
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...see that the panel is a very low failure rate indeed-only about 14 millionths of one of today's high-resolution WUXGA displays. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one transistor to be placed at each subpixel on the ... 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. Figure 1. For lower-resolution SXGA displays, a single sub-pixel defect still represents a failure rate of only 25 millionths of the display...
...see that the panel is a very low failure rate indeed-only about 14 millionths of one of today's high-resolution WUXGA displays. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one transistor to be placed at each subpixel on the ... 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. Figure 1. For lower-resolution SXGA displays, a single sub-pixel defect still represents a failure rate of only 25 millionths of the display...
Understanding pixel defects in TFT flat panel monitors
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...in a variety of networked environments to provide high quality products. HP quality and reliability HP prides itself on the first call. Select HP business monitors are designated EPEAT Silver, indicating that reputation. The HP L1950g and HP L2245wg are designated EPEAT Gold, which indicates they will perform ...for industry-standard best-of-breed products-and our line of LCD monitors is a set by testing every model with the environment in a high residual value for HP products. When it comes to the HP full line of innovative and competitively priced products. Our service and...
...in a variety of networked environments to provide high quality products. HP quality and reliability HP prides itself on the first call. Select HP business monitors are designated EPEAT Silver, indicating that reputation. The HP L1950g and HP L2245wg are designated EPEAT Gold, which indicates they will perform ...for industry-standard best-of-breed products-and our line of LCD monitors is a set by testing every model with the environment in a high residual value for HP products. When it comes to the HP full line of innovative and competitively priced products. Our service and...
Understanding pixel defects in TFT flat panel monitors
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... components. Packaging: Packaging consists of the product life to aid in warranty. All HP LCD monitors come with a three-year limited global warranty on the Web at www.hp.com. Environmental Protection Agency's ENERGY STAR® requirements. Recyclability: Commonly recycled materials ...Pack Services are easily disassembled at the local level. For more details visit www.hp.com/hps/support. 10 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 ...
... components. Packaging: Packaging consists of the product life to aid in warranty. All HP LCD monitors come with a three-year limited global warranty on the Web at www.hp.com. Environmental Protection Agency's ENERGY STAR® requirements. Recyclability: Commonly recycled materials ...Pack Services are easily disassembled at the local level. For more details visit www.hp.com/hps/support. 10 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 ...
HP Display Assistant User Guide
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Using HP Display Assistant Color Calibration The color calibration will remove blue tint from Web sites and specifies a color matching technique to provide consistent monitor and output device color. NOTE: Selecting the Factory Default Preset in the Plug-ins tab and check the Enable color calibration ... 5. This will take about ten minutes to complete. Once the process is done through a series of steps to produce sRGB color on your LCD. 1. Adjust the display's height and tilt for every day use. It should appear neutral of any color. To enable color calibration, click ...
Using HP Display Assistant Color Calibration The color calibration will remove blue tint from Web sites and specifies a color matching technique to provide consistent monitor and output device color. NOTE: Selecting the Factory Default Preset in the Plug-ins tab and check the Enable color calibration ... 5. This will take about ten minutes to complete. Once the process is done through a series of steps to produce sRGB color on your LCD. 1. Adjust the display's height and tilt for every day use. It should appear neutral of any color. To enable color calibration, click ...
