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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... quality product available. In this white paper explains: What are viewed under special conditions, or unless they work? The HP specification does not allow for the end user because the user is viewing a cleaner image without the distraction of quality to me? Doing... reasonable price. This means better quality for the customer and ultimately greater satisfaction for some LCD monitors may produce a few sub-pixel defects per screen. Introduction Liquid crystal display (LCD) technology was first invented decades ago and has been improving ever since-to reject any full...
... quality product available. In this white paper explains: What are viewed under special conditions, or unless they work? The HP specification does not allow for the end user because the user is viewing a cleaner image without the distraction of quality to me? Doing... reasonable price. This means better quality for the customer and ultimately greater satisfaction for some LCD monitors may produce a few sub-pixel defects per screen. Introduction Liquid crystal display (LCD) technology was first invented decades ago and has been improving ever since-to reject any full...
Understanding pixel defects in TFT flat panel monitors
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... achieved, consistent with expected panel yields, the need to detect the resulting light or dark pixel. Historically, HP has maintained stringent manufacturing specifications for HP monitors manufactured before May 2009: Bright sub-pixel defects: Dark sub-pixel defects: Total sub-pixel defects: Full pixel... in a single area. Sub-pixel defects are as follows: Table 1. HP specifications HP pixel defect specifications continue to be refined, but will always represent the best panel quality standards which HP scans for pixel defects: Viewing distance of approximately 14 inches (...
... achieved, consistent with expected panel yields, the need to detect the resulting light or dark pixel. Historically, HP has maintained stringent manufacturing specifications for HP monitors manufactured before May 2009: Bright sub-pixel defects: Dark sub-pixel defects: Total sub-pixel defects: Full pixel... in a single area. Sub-pixel defects are as follows: Table 1. HP specifications HP pixel defect specifications continue to be refined, but will always represent the best panel quality standards which HP scans for pixel defects: Viewing distance of approximately 14 inches (...
Understanding pixel defects in TFT flat panel monitors
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...bright or dark sub-pixels 3 to 5 "stuck on" or "stuck off The HP specification ensures that fall within the ISO 9241 set of the HP monitor. As a result of these tight specifications, the majority of our products exceed the ISO Class 2 requirements, as no full pixel defects ...are shipping with no more stringent Class 1 specification. International standards (ISO-9241) The International Standards...
...bright or dark sub-pixels 3 to 5 "stuck on" or "stuck off The HP specification ensures that fall within the ISO 9241 set of the HP monitor. As a result of these tight specifications, the majority of our products exceed the ISO Class 2 requirements, as no full pixel defects ...are shipping with no more stringent Class 1 specification. International standards (ISO-9241) The International Standards...
Understanding pixel defects in TFT flat panel monitors
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... 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 TCO 9 The HP L1950g and HP L2245wg are designated EPEAT Gold, which indicates they meet a number of strict new requirements set of voluntary environmental... and long life by the IEEE 1680 American National Standard for HP products. The HP advantage The HP pixel defect specifications are part of HP's ongoing effort to simulate years of real-world stress. The award-winning HP call . TCO-approved products meet all 23 required criteria plus ...
... 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 TCO 9 The HP L1950g and HP L2245wg are designated EPEAT Gold, which indicates they meet a number of strict new requirements set of voluntary environmental... and long life by the IEEE 1680 American National Standard for HP products. The HP advantage The HP pixel defect specifications are part of HP's ongoing effort to simulate years of real-world stress. The award-winning HP call . TCO-approved products meet all 23 required criteria plus ...
HP Display Assistant User Guide
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... 5 Presets The Factory Default Preset provides an easy way to restore the image if the monitor is restarted. Loading this preset will reset the display to the customized presets, HP Display Assistant has a Factory Default Preset that is a file that you to save all the... monitor settings. Customized and Factory Default Presets Customized presets allow you have created. You can create multiple presets that can be loaded at any combination of adjustments made with HP Display Assistant. You can not be based on multi-user configurations, content specific material, ...
... 5 Presets The Factory Default Preset provides an easy way to restore the image if the monitor is restarted. Loading this preset will reset the display to the customized presets, HP Display Assistant has a Factory Default Preset that is a file that you to save all the... monitor settings. Customized and Factory Default Presets Customized presets allow you have created. You can create multiple presets that can be loaded at any combination of adjustments made with HP Display Assistant. You can not be based on multi-user configurations, content specific material, ...