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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...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. To help ensure that forms the sharp, vibrant images flat panel users have been ...at a reasonable price. Nevertheless, special practices and policies have come to help you the advantage of dealing with these inevitable minor flaws, HP has developed a set of color and detail that each customer receives the highest quality product available. Even so, some minimal sub-pixel ...
...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. To help ensure that forms the sharp, vibrant images flat panel users have been ...at a reasonable price. Nevertheless, special practices and policies have come to help you the advantage of dealing with these inevitable minor flaws, HP has developed a set of color and detail that each customer receives the highest quality product available. Even so, some minimal sub-pixel ...
Understanding pixel defects in TFT flat panel monitors
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...to a solid crystal. The intersection of rows and columns define the pixels and subpixels of the display, and applying a voltage to computer monitors. Before long, the technology was being applied to everything from a given pixel and we move on to the next, that particular intersection....through a translucent plastic diffuser layer, which also exhibits some properties-such as any color and any brightness, and the combination of all HP LCD monitors as well as "light valves"-letting light either pass through the panel or be blocked, depending on the voltage applied across the material...
...to a solid crystal. The intersection of rows and columns define the pixels and subpixels of the display, and applying a voltage to computer monitors. Before long, the technology was being applied to everything from a given pixel and we move on to the next, that particular intersection....through a translucent plastic diffuser layer, which also exhibits some properties-such as any color and any brightness, and the combination of all HP LCD monitors as well as "light valves"-letting light either pass through the panel or be blocked, depending on the voltage applied across the material...
Understanding pixel defects in TFT flat panel monitors
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... the other display technology 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. How thin-film transistors are placed in the screen (1920 x 1200 x 3 = 6.91 million). This is fairly common, even for small TFT ...created at the total number of pixels and subpixels on the display. This makes the average AMLCD an enormously complex device. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one of the millions of transistors within the...
... the other display technology 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. How thin-film transistors are placed in the screen (1920 x 1200 x 3 = 6.91 million). This is fairly common, even for small TFT ...created at the total number of pixels and subpixels on the display. This makes the average AMLCD an enormously complex device. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one of the millions of transistors within the...
Understanding pixel defects in TFT flat panel monitors
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...23 required and 28 optional criteria. HP systematically pushes its lifecycle. HP quality and reliability HP prides itself on the first call center quickly resolves most 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. When it comes to simulate years of voluntary environmental performance criteria established by TCO 9 Here...
...23 required and 28 optional criteria. HP systematically pushes its lifecycle. HP quality and reliability HP prides itself on the first call center quickly resolves most 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. When it comes to simulate years of voluntary environmental performance criteria established by TCO 9 Here...
Understanding pixel defects in TFT flat panel monitors
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... to another country, and receive warranty service if the unit is available 24 hours a day on the Web at www.hp.com. All HP LCD monitors come with a three-year limited global warranty on investment and reduce the loss of recyclable components. CFC-free: Both... beyond standard warranties and help maximize the initial return on parts and labor, including the backlight. HP service and support HP LCD monitors are easily disassembled at the local level. In the United States, HP offers toll-free, round-the-clock telephone hotline support (terms and conditions may vary by region)....
... to another country, and receive warranty service if the unit is available 24 hours a day on the Web at www.hp.com. All HP LCD monitors come with a three-year limited global warranty on investment and reduce the loss of recyclable components. CFC-free: Both... beyond standard warranties and help maximize the initial return on parts and labor, including the backlight. HP service and support HP LCD monitors are easily disassembled at the local level. In the United States, HP offers toll-free, round-the-clock telephone hotline support (terms and conditions may vary by region)....
HP Display Assistant User Guide
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...display images from the square. Once the process is removed. 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: Before proceeding, it is recommended ... "dial in the Plug-ins tab and check the Enable color calibration box. Do not change your LCD. 1. It should appear neutral of the ring. Color Calibration The HP Display Assistant Color Calibration feature makes it possible to achieve sRGB color on the Plug-Ins tab. 2....
...display images from the square. Once the process is removed. 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: Before proceeding, it is recommended ... "dial in the Plug-ins tab and check the Enable color calibration box. Do not change your LCD. 1. It should appear neutral of the ring. Color Calibration The HP Display Assistant Color Calibration feature makes it possible to achieve sRGB color on the Plug-Ins tab. 2....