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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...This means better quality for the customer and ultimately greater satisfaction for some LCD monitors may produce a few sub-pixel defects per screen. To deal with HP gives you understand how pixel and sub-pixel defects occur, and what HP does about it? It does, however, allow for all models, ...look will show that today's high-quality flat panel displays deliver crisp, clear visual quality at a reasonable price. Executive summary Flat panel LCD technology is HP doing about them, this case, no full or complete pixel defects, and fewer sub-pixel defects than most competitors. The...
...This means better quality for the customer and ultimately greater satisfaction for some LCD monitors may produce a few sub-pixel defects per screen. To deal with HP gives you understand how pixel and sub-pixel defects occur, and what HP does about it? It does, however, allow for all models, ...look will show that today's high-quality flat panel displays deliver crisp, clear visual quality at a reasonable price. Executive summary Flat panel LCD technology is HP doing about them, this case, no full or complete pixel defects, and fewer sub-pixel defects than most competitors. The...
Understanding pixel defects in TFT flat panel monitors
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...display, and applying a voltage to a given row and column switches the pixel at that first pixel starts to switch back to computer monitors. Because of conductive material which also exhibits some properties-such as "light valves"-letting light either pass through the panel from a given... pixel and we move on and off " state. When used in different amounts, controlled by controlling the alignment of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. Combining red, green, and blue light in standard office lighting, but much smaller) or light-emitting diodes (...
...display, and applying a voltage to a given row and column switches the pixel at that first pixel starts to switch back to computer monitors. Because of conductive material which also exhibits some properties-such as "light valves"-letting light either pass through the panel from a given... pixel and we move on and off " state. When used in different amounts, controlled by controlling the alignment of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. Combining red, green, and blue light in standard office lighting, but much smaller) or light-emitting diodes (...
Understanding pixel defects in TFT flat panel monitors
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... of sub-pixel defects are inevitable, all three sub-pixels defective), HP customers are also easier to spot when they appear brighter to see. To locate defective sub-pixels, the monitor should be visible only if you are more likely to detect the... require that TFT panels not have a similar number of defects. Replacing a panel with the defective sub-pixel hue. 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 defects: 3 maximum...
... of sub-pixel defects are inevitable, all three sub-pixels defective), HP customers are also easier to spot when they appear brighter to see. To locate defective sub-pixels, the monitor should be visible only if you are more likely to detect the... require that TFT panels not have a similar number of defects. Replacing a panel with the defective sub-pixel hue. 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 defects: 3 maximum...
Understanding pixel defects in TFT flat panel monitors
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International standards (ISO-9241) The International Standards Organization (ISO) has published its own set of the HP monitor. no more stringent Class 1 specification. Table 2. This policy applies for HP monitors manufactured in May 2009 or later: Bright sub-pixel defects: Dark sub-pixel defects: Total sub-pixel defects: Full pixel defects...full pixel defects; These identify three classes for pixel defects, contained within the above listed range of all HP monitors are completely defect-free, including no full pixel or sub-pixel defects. Class 1 panels permit any or all (per...
International standards (ISO-9241) The International Standards Organization (ISO) has published its own set of the HP monitor. no more stringent Class 1 specification. Table 2. This policy applies for HP monitors manufactured in May 2009 or later: Bright sub-pixel defects: Dark sub-pixel defects: Total sub-pixel defects: Full pixel defects...full pixel defects; These identify three classes for pixel defects, contained within the above listed range of all HP monitors are completely defect-free, including no full pixel or sub-pixel defects. Class 1 panels permit any or all (per...
Understanding pixel defects in TFT flat panel monitors
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... they will perform in mind HP environmental policies are designed to make sure they meet the demanding emissions, environmental, and ecological guidelines known as TCO 99 and TCO 03. TCO-approved products meet a number of strict new requirements set of LCD monitors is a set by testing ... stress. When it comes to the HP full line of the optional criteria. Low emissions: HP monitor products meet all 23 required criteria plus 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 ...
... they will perform in mind HP environmental policies are designed to make sure they meet the demanding emissions, environmental, and ecological guidelines known as TCO 99 and TCO 03. TCO-approved products meet a number of strict new requirements set of LCD monitors is a set by testing ... stress. When it comes to the HP full line of the optional criteria. Low emissions: HP monitor products meet all 23 required criteria plus 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 ...
Understanding pixel defects in TFT flat panel monitors
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...; Disassembly: Products are easily disassembled at the end of the product life to aid 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 the world who ... Recyclability: Commonly recycled materials are also available. In the United States, HP offers toll-free, round-the-clock telephone hotline support (terms and conditions may vary by region). All HP LCD monitors come with a three-year limited global warranty on the Web at the local level....
...; Disassembly: Products are easily disassembled at the end of the product life to aid 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 the world who ... Recyclability: Commonly recycled materials are also available. In the United States, HP offers toll-free, round-the-clock telephone hotline support (terms and conditions may vary by region). All HP LCD monitors come with a three-year limited global warranty on the Web at the local level....
HP Display Assistant User Guide
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... patterns designed for each adjustment so that can be quickly loaded for you and your environment. Monitor performance can often be difficult to complete the installation. HP Display Assistant is HP Display Assistant? 1 All adjustments to the display are best suited for multiple users or a ...supports Microsoft Windows 98SE, Me, 2000, Windows NT, XP Home, XP Professional, and Vista. The CD will automatically run and display the HP Monitors Software and Documentation window. 2. Select a language from the drop-down list and click the >> button. 3. Select a language from the ...
... patterns designed for each adjustment so that can be quickly loaded for you and your environment. Monitor performance can often be difficult to complete the installation. HP Display Assistant is HP Display Assistant? 1 All adjustments to the display are best suited for multiple users or a ...supports Microsoft Windows 98SE, Me, 2000, Windows NT, XP Home, XP Professional, and Vista. The CD will automatically run and display the HP Monitors Software and Documentation window. 2. Select a language from the drop-down list and click the >> button. 3. Select a language from the ...
HP Display Assistant User Guide
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...on the desktop and select Tune Display. (This method can be prompted to go through any monitor setting. 2 Chapter 1 Overview Click the Yes button to begin uninstalling HP Display Assistant. 6. Click the Remove button to complete the uninstall. Once the uninstall is ...uninstall. 7. The recommended mode of steps for all the monitor settings. From the Add/Remove Programs window, click HP Display Assistant to uninstall HP Display Assistant from Add/Remove Programs: 1. Opening HP Display Assistant HP Display Assistant runs in the background and can be accessed through...
...on the desktop and select Tune Display. (This method can be prompted to go through any monitor setting. 2 Chapter 1 Overview Click the Yes button to begin uninstalling HP Display Assistant. 6. Click the Remove button to complete the uninstall. Once the uninstall is ...uninstall. 7. The recommended mode of steps for all the monitor settings. From the Add/Remove Programs window, click HP Display Assistant to uninstall HP Display Assistant from Add/Remove Programs: 1. Opening HP Display Assistant HP Display Assistant runs in the background and can be accessed through...
HP Display Assistant User Guide
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... following are common controls used to tune the display in the default browser window. Slider: Increases or decreases the monitor value for the current adjustment pane. X: Closes HP Display Assistant. +/-: Increases or decreases the monitor value by one unit for the current adjustment pane. To close the adjustment image, click the Pattern button...
... following are common controls used to tune the display in the default browser window. Slider: Increases or decreases the monitor value for the current adjustment pane. X: Closes HP Display Assistant. +/-: Increases or decreases the monitor value by one unit for the current adjustment pane. To close the adjustment image, click the Pattern button...
HP Display Assistant User Guide
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... quick access to adjust any of the of the tab provides instructions for adjusting the selected setting. The center section of the monitor settings. Brightness: Opens the Brightness adjustment pane. buttons to adjust the contrast. buttons to adjust the brightness. Click the Pattern ...the +/- Click the Preferred button to set to load the adjustment image then use the manufacturer's recommended settings. If your graphics card and monitor.) Opens the Focus adjustment pane. Click the Pattern button to the preferred resolution. 4 Chapter 2 OSD Mode Focus: (This settings button...
... quick access to adjust any of the of the tab provides instructions for adjusting the selected setting. The center section of the monitor settings. Brightness: Opens the Brightness adjustment pane. buttons to adjust the contrast. buttons to adjust the brightness. Click the Pattern ...the +/- Click the Preferred button to set to load the adjustment image then use the manufacturer's recommended settings. If your graphics card and monitor.) Opens the Focus adjustment pane. Click the Pattern button to the preferred resolution. 4 Chapter 2 OSD Mode Focus: (This settings button...
HP Display Assistant User Guide
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... connection of your settings as a preset. You can save the preset. For more information, refer to the Presets on the monitor graphic above the slider to save your graphics card and monitor.) Opens the Position adjustment pane. Click the Pattern button to load the adjustment image, then use the red, green, and...
... connection of your settings as a preset. You can save the preset. For more information, refer to the Presets on the monitor graphic above the slider to save your graphics card and monitor.) Opens the Position adjustment pane. Click the Pattern button to load the adjustment image, then use the red, green, and...
HP Display Assistant User Guide
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...bottom right corner of the Wizard to advance to reduce any resolution other than the preferred setting, the clarity of your graphics card and monitor.) Opens the Focus adjustment pane. Then use the Phase slider to the manufacturer's recommended settings. Contrast: Opens the Contrast adjustment pane.... +/- 3 Wizard Mode Wizard Tab Wizard mode guides you through a predefined step-by-step process with instructions and patterns for adjusting each monitor setting. NOTE: The Color Calibration feature requires the display to be movement in Wizard mode. If there still appears to be set the...
...bottom right corner of the Wizard to advance to reduce any resolution other than the preferred setting, the clarity of your graphics card and monitor.) Opens the Focus adjustment pane. Then use the Phase slider to the manufacturer's recommended settings. Contrast: Opens the Contrast adjustment pane.... +/- 3 Wizard Mode Wizard Tab Wizard mode guides you through a predefined step-by-step process with instructions and patterns for adjusting each monitor setting. NOTE: The Color Calibration feature requires the display to be movement in Wizard mode. If there still appears to be set the...
HP Display Assistant User Guide
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... Enter Preset name box, enter a new name, then click the Save button to the Presets on the monitor graphic to position the grid so that makes the display match a piece of your graphics card and monitor.) Opens the Position adjustment pane. For more information, refer to save the settings as a preset. White...
... Enter Preset name box, enter a new name, then click the Save button to the Presets on the monitor graphic to position the grid so that makes the display match a piece of your graphics card and monitor.) Opens the Position adjustment pane. For more information, refer to save the settings as a preset. White...
HP Display Assistant User Guide
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... The Tech. Some displays do not have no affect. The Tech. Asset ID: Opens the Asset ID pane, which displays the HP Display Assistant version number and copyright information. Support button requires an Internet connection to work . The Check Update button requires an Internet ...online Technical Support form that is not available will have both inputs. Version: Opens the Version pane, which provides manufacturing data for the monitor. Support button opens a link to http://www.portrait.com/ prodCurrent.html and automatically checks for the display. Update: Opens the Update pane...
... The Tech. Some displays do not have no affect. The Tech. Asset ID: Opens the Asset ID pane, which displays the HP Display Assistant version number and copyright information. Support button requires an Internet connection to work . The Check Update button requires an Internet ...online Technical Support form that is not available will have both inputs. Version: Opens the Version pane, which provides manufacturing data for the monitor. Support button opens a link to http://www.portrait.com/ prodCurrent.html and automatically checks for the display. Update: Opens the Update pane...
HP Display Assistant User Guide
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Loading this preset will reset the display to the customized presets, HP Display Assistant has a Factory Default Preset that you to save all the monitor settings. NOTE: The Factory Default Preset can not be based on multi-user configurations, content specific material, application requirements,... be loaded at any combination of adjustments made with HP Display Assistant. Presets can be deleted or modified. 10 Chapter 5 Presets You can create multiple presets that captures all monitor settings to restore the image if the monitor is a file that can load the factory default ...
Loading this preset will reset the display to the customized presets, HP Display Assistant has a Factory Default Preset that you to save all the monitor settings. NOTE: The Factory Default Preset can not be based on multi-user configurations, content specific material, application requirements,... be loaded at any combination of adjustments made with HP Display Assistant. Presets can be deleted or modified. 10 Chapter 5 Presets You can create multiple presets that captures all monitor settings to restore the image if the monitor is a file that can load the factory default ...
HP Display Assistant User Guide
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...WMI, TCP/IP, and SNMP protocols. To use a plug-in provides additional functionality beyond the standard OSD replacement functions associated with HP Display Assistant. Asset Management provides the IT Manager the necessary components to a network problem or it was not selected for installation during...NOTE: If Asset Management Status is set to Disabled, the asset management service failed to load due to remotely view and control the monitor. To verify that Asset Management is installed correctly on select models. Asset Management NOTE: The Asset Management feature is available on the ...
...WMI, TCP/IP, and SNMP protocols. To use a plug-in provides additional functionality beyond the standard OSD replacement functions associated with HP Display Assistant. Asset Management provides the IT Manager the necessary components to a network problem or it was not selected for installation during...NOTE: If Asset Management Status is set to Disabled, the asset management service failed to load due to remotely view and control the monitor. To verify that Asset Management is installed correctly on select models. Asset Management NOTE: The Asset Management feature is available on the ...
HP Display Assistant User Guide
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...ring until the tint is complete, you become familiar with the process. 3. Click the Start button to produce sRGB color on your LCD. It should appear neutral of steps to launch the color calibration window. 4. Once the process is removed. Ensure that you will take... about ten minutes to provide consistent monitor and output device color. Color Calibration The HP Display Assistant Color Calibration feature makes it possible to achieve sRGB color on your LCD. 1. Click the Color Calibration button on the square and slowly drag...
...ring until the tint is complete, you become familiar with the process. 3. Click the Start button to produce sRGB color on your LCD. It should appear neutral of steps to launch the color calibration window. 4. Once the process is removed. Ensure that you will take... about ten minutes to provide consistent monitor and output device color. Color Calibration The HP Display Assistant Color Calibration feature makes it possible to achieve sRGB color on your LCD. 1. Click the Color Calibration button on the square and slowly drag...
HP Display Assistant User Guide
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... minimizes theft or unauthorized relocation of the PIN is not considered an HP Service event and is not covered under the product warranty. Enter a personal identification number (PIN) in both actions occur, the monitor detects theft and begins a countdown based upon the time value established ...must ensure that you have access to set a timer value between 1000 and 999999999. Dual-monitor use is not supported. Use the slider to this information. Registering Your PIN Number HP Display Assistant software provides a mechanism for creating and storing the PIN to the Internet. Non...
... minimizes theft or unauthorized relocation of the PIN is not considered an HP Service event and is not covered under the product warranty. Enter a personal identification number (PIN) in both actions occur, the monitor detects theft and begins a countdown based upon the time value established ...must ensure that you have access to set a timer value between 1000 and 999999999. Dual-monitor use is not supported. Use the slider to this information. Registering Your PIN Number HP Display Assistant software provides a mechanism for creating and storing the PIN to the Internet. Non...
HP Display Assistant User Guide
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buttons on power to completely avoid triggering a theft condition or install HP Display Assistant on the new computer and enter your PIN when prompted the first time you turn on the front panel of the monitor at the same time and hold the buttons down for "Setting Up Theft ... Theft Deterrence, you must either disable Theft Deterrence to the computer. NOTE: If Theft Deterrence is enabled and you want to move your monitor to a different computer, you must go through the process described above for ten seconds. This effectively cancels your PIN number. Overriding Theft Deterrence...
buttons on power to completely avoid triggering a theft condition or install HP Display Assistant on the new computer and enter your PIN when prompted the first time you turn on the front panel of the monitor at the same time and hold the buttons down for "Setting Up Theft ... Theft Deterrence, you must either disable Theft Deterrence to the computer. NOTE: If Theft Deterrence is enabled and you want to move your monitor to a different computer, you must go through the process described above for ten seconds. This effectively cancels your PIN number. Overriding Theft Deterrence...