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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...sub-pixel defects occur? To deal with these inevitable minor flaws, HP has developed a set of policies and detection methods to expect. How do they happen to me? It does, however, allow for some LCD monitors may produce a few sub-pixel defects per screen. Nevertheless, special...consistently deliver a higher standard of quality to reject any full or complete pixel defects. Even so, some minimal sub-pixel defects. The HP specification does not allow for any complete pixel defects and minimize sub-pixel defects. What is viewing a cleaner image without the ...
...sub-pixel defects occur? To deal with these inevitable minor flaws, HP has developed a set of policies and detection methods to expect. How do they happen to me? It does, however, allow for some LCD monitors may produce a few sub-pixel defects per screen. Nevertheless, special...consistently deliver a higher standard of quality to reject any full or complete pixel defects. Even so, some minimal sub-pixel defects. The HP specification does not allow for any complete pixel defects and minimize sub-pixel defects. What is viewing a cleaner image without the ...
Understanding pixel defects in TFT flat panel monitors
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...pixel fail simultaneously, you display it has been tightening those specifications over time. 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...to 110 degrees horizontal and 80 to 100 degrees vertical HP pixel-defect standards Since some degree of approximately 20 inches (51 cm). Historically, HP has maintained stringent manufacturing specifications for HP monitors manufactured before May 2009: Bright sub-pixel defects: ...
...pixel fail simultaneously, you display it has been tightening those specifications over time. 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...to 110 degrees horizontal and 80 to 100 degrees vertical HP pixel-defect standards Since some degree of approximately 20 inches (51 cm). Historically, HP has maintained stringent manufacturing specifications for HP monitors manufactured before May 2009: Bright sub-pixel defects: ...
Understanding pixel defects in TFT flat panel monitors
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... standards.. International standards (ISO-9241) The International Standards Organization (ISO) has published its own set of specifications for HP monitors manufactured in most cases, HP displays will meet the more than 5 bright ("stuck on " or "stuck off The HP specification ensures that fall within the ISO 9241 set of acceptable pixel defects. Most remaining units are...
... standards.. International standards (ISO-9241) The International Standards Organization (ISO) has published its own set of specifications for HP monitors manufactured in most cases, HP displays will meet the more than 5 bright ("stuck on " or "stuck off The HP specification ensures that fall within the ISO 9241 set of acceptable pixel defects. Most remaining units are...
Understanding pixel defects in TFT flat panel monitors
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... best-of-breed products-and our line of LCD monitors is a set by TCO 9 The award-winning HP call center quickly resolves most issues on a reputation for HP products. HP systematically pushes its lifecycle. Select HP business monitors are designated EPEAT Silver, indicating that they meets... Low emissions: HP monitor products meet the demanding emissions, environmental, and ecological guidelines known as TCO 99 and TCO 03. Our service and engineering teams continue to provide high quality products. The HP advantage The HP pixel defect specifications are part of HP's ongoing effort ...
... best-of-breed products-and our line of LCD monitors is a set by TCO 9 The award-winning HP call center quickly resolves most issues on a reputation for HP products. HP systematically pushes its lifecycle. Select HP business monitors are designated EPEAT Silver, indicating that they meets... Low emissions: HP monitor products meet the demanding emissions, environmental, and ecological guidelines known as TCO 99 and TCO 03. Our service and engineering teams continue to provide high quality products. The HP advantage The HP pixel defect specifications are part of HP's ongoing effort ...
HP L2045w LCD Monitor User Guide
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CAUTION: Text set off in this manner indicates that failure to equipment or loss of life. Text set off in bodily harm or loss of information. iii NOTE: Text set off in this manner indicates that failure to follow directions could result in damage to follow directions could result in this manner provides important supplemental information. About This Guide This guide provides information on setting up the monitor, installing drivers, using the on-screen display menu, troubleshooting and technical specifications. WARNING!
CAUTION: Text set off in this manner indicates that failure to equipment or loss of life. Text set off in bodily harm or loss of information. iii NOTE: Text set off in this manner indicates that failure to follow directions could result in damage to follow directions could result in this manner provides important supplemental information. About This Guide This guide provides information on setting up the monitor, installing drivers, using the on-screen display menu, troubleshooting and technical specifications. WARNING!
HP L2045w LCD Monitor User Guide
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OSD Menu Selections 22 Optimizing Digital Conversion 26 Using the HP Display Assistant Utility 26 Identifying Monitor Conditions ...27 Sleep Timer Mode ...27 HP Display LiteSaver ...28 Installing the HP Display LiteSaver Software 28 sRGB Support ...29 Changing the Color Temperature 29... A Troubleshooting Solving Common Problems ...31 Using the Worldwide Web ...32 Preparing to Call Technical Support 32 Appendix B Technical Specifications L2045w Model ...33 Recognizing Preset Display Resolutions 34 Entering User Modes ...34 Energy Saver Feature ...35 Appendix C Agency Regulatory Notices...
OSD Menu Selections 22 Optimizing Digital Conversion 26 Using the HP Display Assistant Utility 26 Identifying Monitor Conditions ...27 Sleep Timer Mode ...27 HP Display LiteSaver ...28 Installing the HP Display LiteSaver Software 28 sRGB Support ...29 Changing the Color Temperature 29... A Troubleshooting Solving Common Problems ...31 Using the Worldwide Web ...32 Preparing to Call Technical Support 32 Appendix B Technical Specifications L2045w Model ...33 Recognizing Preset Display Resolutions 34 Entering User Modes ...34 Energy Saver Feature ...35 Appendix C Agency Regulatory Notices...
HP L2045w LCD Monitor User Guide
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● Intelligent Management Asset Control ● Compliant with the following regulated specifications: ◦ European Union CE Directives ◦ Swedish MPR II 1990 ◦ Swedish TCO Requirements ◦ Energy Star 2 Chapter 1 Product Features
● Intelligent Management Asset Control ● Compliant with the following regulated specifications: ◦ European Union CE Directives ◦ Swedish MPR II 1990 ◦ Swedish TCO Requirements ◦ Energy Star 2 Chapter 1 Product Features
HP L2045w LCD Monitor User Guide
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..., posture, and health and work habits for this ability. Not all times. • Disconnect power from the electrical outlet. the power strips must be specifically labeled as indicated on or trip over them so that is not operating properly or has been dropped or damaged, contact an authorized... a power strip or Uninterruptible Power Supply (UPS). This guide is located on the Web at all power strips provide surge protection; If the monitor is easily accessible at http://www.hp.com/ergo and/or on the documentation CD, if one may accidentally step on the label/ back plate of the...
..., posture, and health and work habits for this ability. Not all times. • Disconnect power from the electrical outlet. the power strips must be specifically labeled as indicated on or trip over them so that is not operating properly or has been dropped or damaged, contact an authorized... a power strip or Uninterruptible Power Supply (UPS). This guide is located on the Web at all power strips provide surge protection; If the monitor is easily accessible at http://www.hp.com/ergo and/or on the documentation CD, if one may accidentally step on the label/ back plate of the...
HP L2045w LCD Monitor User Guide
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... (ICC) Profile Format specification. 18 Chapter 4 Operating the Monitor The Information File The .INF file defines monitor resources used in conjunction with graphics programs to provide consistent color matching from monitor screen to printer, or from the menu. The .ICM file contains a monitor color system profile. This monitor is activated from the HP monitors support Web site. This...
... (ICC) Profile Format specification. 18 Chapter 4 Operating the Monitor The Information File The .INF file defines monitor resources used in conjunction with graphics programs to provide consistent color matching from monitor screen to printer, or from the menu. The .ICM file contains a monitor color system profile. This monitor is activated from the HP monitors support Web site. This...
HP L2045w LCD Monitor User Guide
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Performance specifications represent the highest specification of all HP's component manufacturers' typical level specifications for performance and actual performance may vary either higher or lower. L2045w Model Table B-1 L2045w Specifications Display Type Viewable Image Size Tilt Swivel Maximum Weight (Unpacked) Dimensions (include pedestal base) Height Depth Width Maximum Graphic Resolution Text Mode Dot Pitch Horizontal ...
Performance specifications represent the highest specification of all HP's component manufacturers' typical level specifications for performance and actual performance may vary either higher or lower. L2045w Model Table B-1 L2045w Specifications Display Type Viewable Image Size Tilt Swivel Maximum Weight (Unpacked) Dimensions (include pedestal base) Height Depth Width Maximum Graphic Resolution Text Mode Dot Pitch Horizontal ...
HP L2045w LCD Monitor User Guide
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Table B-1 L2045w Specifications (continued) Operating 0 to 12,000 feet Storage 0 to 40,000 feet Power Consumption (maximum)
Table B-1 L2045w Specifications (continued) Operating 0 to 12,000 feet Storage 0 to 40,000 feet Power Consumption (maximum)
HP L2045w LCD Monitor User Guide
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... that this product can be found at: http://www.hp.com/go /jisc0950. CAUTION: Do not use the power cord received with this material can be regulated because of environmental considerations. Disposal of Waste Equipment by specification JIS C 0950, 2005, mandates that it over to...(EIA) http://www.eiae.org. For more information about the chemical substances in the display LCD that protects human health and the environment. Product Environmental Notices Materials Disposal This HP product contains mercury in the fluorescent lamp in our products as needed to a designated collection ...
... that this product can be found at: http://www.hp.com/go /jisc0950. CAUTION: Do not use the power cord received with this material can be regulated because of environmental considerations. Disposal of Waste Equipment by specification JIS C 0950, 2005, mandates that it over to...(EIA) http://www.eiae.org. For more information about the chemical substances in the display LCD that protects human health and the environment. Product Environmental Notices Materials Disposal This HP product contains mercury in the fluorescent lamp in our products as needed to a designated collection ...
HP L2045w LCD Monitor User Guide
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...visible on a bright background). This is common to the HP LCD. D LCD Monitor Quality and Pixel Policy The TFT monitor uses high-precision technology, manufactured according to HP standards, to produce LCDs with fewer cosmetic imperfections and HP will adjust guidelines as small bright or dark spots. Nevertheless,..., the monitor should be viewed under normal operating conditions, in products supplied by one or more visible of the two. ● A defective sub-pixel (dot defect) is less visible than a defective whole pixel and is always off (a dark spot on a specific background. ...
...visible on a bright background). This is common to the HP LCD. D LCD Monitor Quality and Pixel Policy The TFT monitor uses high-precision technology, manufactured according to HP standards, to produce LCDs with fewer cosmetic imperfections and HP will adjust guidelines as small bright or dark spots. Nevertheless,..., the monitor should be viewed under normal operating conditions, in products supplied by one or more visible of the two. ● A defective sub-pixel (dot defect) is less visible than a defective whole pixel and is always off (a dark spot on a specific background. ...