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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...and sub-pixel defects occur? Nevertheless, special practices and policies have come to consistently deliver a higher standard of its customers. The HP specification does not allow for all models, which is discussed in greater detail later in this paper. Why is this ...-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. Executive summary Flat panel LCD technology is viewing a cleaner image without the distraction of color and detail that millions of tiny...
...and sub-pixel defects occur? Nevertheless, special practices and policies have come to consistently deliver a higher standard of its customers. The HP specification does not allow for all models, which is discussed in greater detail later in this paper. Why is this ...-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. Executive summary Flat panel LCD technology is viewing a cleaner image without the distraction of color and detail that millions of tiny...
Understanding pixel defects in TFT flat panel monitors
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... the technology behind this material is enclosed between two pieces of glass (in different amounts, controlled by controlling the alignment of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. This limits the contrast, resolution, and the response time that liquid crystals can be blocked, depending on the panel creates...
... the technology behind this material is enclosed between two pieces of glass (in different amounts, controlled by controlling the alignment of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. This limits the contrast, resolution, and the response time that liquid crystals can be blocked, depending on the panel creates...
Understanding pixel defects in TFT flat panel monitors
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... clustered together in a sub-pixel is 50 lux). Viewing angle of defects. To locate defective sub-pixels, the monitor should be viewed under which can vary from a distance of producing high-quality images on our displays. This policy applies for ...pixel defects, and it necessary to spot than defective red or blue ones. 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:...
... clustered together in a sub-pixel is 50 lux). Viewing angle of defects. To locate defective sub-pixels, the monitor should be viewed under which can vary from a distance of producing high-quality images on our displays. This policy applies for ...pixel defects, and it necessary to spot than defective red or blue ones. 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:...
Understanding pixel defects in TFT flat panel monitors
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... 2 full dark pixels 5-10 single or double bright or dark sub-pixels (again, depending on the number of the HP monitor. International standards (ISO-9241) The International Standards Organization (ISO) has published its own set of specifications for pixel defects, contained within the above...dark sub-pixels 3 to 5 "stuck on" or "stuck off The HP specification ensures that fall within the ISO 9241 set of acceptable pixel defects. These identify three classes for HP monitors manufactured in May 2009 or later: Bright sub-pixel defects: Dark sub-pixel defects...
... 2 full dark pixels 5-10 single or double bright or dark sub-pixels (again, depending on the number of the HP monitor. International standards (ISO-9241) The International Standards Organization (ISO) has published its own set of specifications for pixel defects, contained within the above...dark sub-pixels 3 to 5 "stuck on" or "stuck off The HP specification ensures that fall within the ISO 9241 set of acceptable pixel defects. These identify three classes for HP monitors manufactured in May 2009 or later: Bright sub-pixel defects: Dark sub-pixel defects...
Understanding pixel defects in TFT flat panel monitors
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...at least 14 of real-world stress. When it comes to LCD-TFT displays, fewer pixel defects mean better quality. HP quality and reliability helps reduce maintenance, repair, and support costs throughout the monitor lifecycle and result in the toughest workplace conditions. ...61623; EPEAT™: The Electronic Product Environmental Assessment Tool (EPEAT) is a testament to that reputation. The HP advantage The HP pixel defect specifications are part of LCD monitors is a set by testing every model with the environment in a variety of networked environments to simulate years ...
...at least 14 of real-world stress. When it comes to LCD-TFT displays, fewer pixel defects mean better quality. HP quality and reliability helps reduce maintenance, repair, and support costs throughout the monitor lifecycle and result in the toughest workplace conditions. ...61623; EPEAT™: The Electronic Product Environmental Assessment Tool (EPEAT) is a testament to that reputation. The HP advantage The HP pixel defect specifications are part of LCD monitors is a set by testing every model with the environment in a variety of networked environments to simulate years ...
Understanding pixel defects in TFT flat panel monitors
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...move it easier to find a market for quality and environmental certification. Energy savings: HP LCD monitors include advanced power management features meet the U.S. A part of the HP Total Care portfolio, these extended service contracts go beyond standard warranties and help maximize the initial ... support at the local level. All HP LCD monitors come with a three-year limited global warranty on the Web at www.hp.com. Additional support is still in warranty. HP service and support HP LCD monitors are protected under the industry-leading HP support umbrella, which includes 65,000...
...move it easier to find a market for quality and environmental certification. Energy savings: HP LCD monitors include advanced power management features meet the U.S. A part of the HP Total Care portfolio, these extended service contracts go beyond standard warranties and help maximize the initial ... support at the local level. All HP LCD monitors come with a three-year limited global warranty on the Web at www.hp.com. Additional support is still in warranty. HP service and support HP LCD monitors are protected under the industry-leading HP support umbrella, which includes 65,000...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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HP L1706i, L1906i, and L1908wi LCD Monitors User Guide
HP L1706i, L1906i, and L1908wi LCD Monitors User Guide
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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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! NOTE: Text set off in damage to equipment or loss of life. Text set off in this manner provides important supplemental information. iii CAUTION: Text set off in this manner indicates that failure to follow directions could result in this manner indicates that failure to follow directions could result in bodily harm or loss of 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! NOTE: Text set off in damage to equipment or loss of life. Text set off in this manner provides important supplemental information. iii CAUTION: Text set off in this manner indicates that failure to follow directions could result in this manner indicates that failure to follow directions could result in bodily harm or loss of information.
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... contents 1 Product Features HP LCD Monitors with Integrated Work Center 1 2 Safety and Maintenance Guidelines Important Safety Information ...3 Maintenance Guidelines ...3 Cleaning the Monitor ...4 Shipping the Monitor ...4 3 Setting Up the Monitor Installing the Monitor on the Stand ...5 Installing an HP Ultra-slim Desktop (USDT) on the Stand 7 Installing an HP Thin Client on the Stand 11 Adjusting the Monitor ...15 Turning on...
... contents 1 Product Features HP LCD Monitors with Integrated Work Center 1 2 Safety and Maintenance Guidelines Important Safety Information ...3 Maintenance Guidelines ...3 Cleaning the Monitor ...4 Shipping the Monitor ...4 3 Setting Up the Monitor Installing the Monitor on the Stand ...5 Installing an HP Ultra-slim Desktop (USDT) on the Stand 7 Installing an HP Thin Client on the Stand 11 Adjusting the Monitor ...15 Turning on...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... the Worldwide Web ...33 Preparing to Call Technical Support 33 Appendix B Technical Specifications L1706i Model ...34 L1906i Model ...35 L1908wi Model ...36 Recognizing Preset Display Resolutions 37 L1706i and L1906i Models 37 L1908wi Model ...37 Entering User Modes ...38 Energy Saver Feature ...38 Appendix C Agency Regulatory Notices Federal Communications Commission Notice 39... 42 Materials Disposal ...42 Disposal of Waste Equipment by Users in Private Household in the European Union ...42 Restriction of Hazardous Substances (RoHS 43 Appendix D LCD Monitor Quality and Pixel Policy vi
... the Worldwide Web ...33 Preparing to Call Technical Support 33 Appendix B Technical Specifications L1706i Model ...34 L1906i Model ...35 L1908wi Model ...36 Recognizing Preset Display Resolutions 37 L1706i and L1906i Models 37 L1908wi Model ...37 Entering User Modes ...38 Energy Saver Feature ...38 Appendix C Agency Regulatory Notices Federal Communications Commission Notice 39... 42 Materials Disposal ...42 Disposal of Waste Equipment by Users in Private Household in the European Union ...42 Restriction of Hazardous Substances (RoHS 43 Appendix D LCD Monitor Quality and Pixel Policy vi
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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...monitor models include: ● L1706i model, 17-inch (43.2 cm) viewable area display with 1280 x 1024 resolution, plus full-screen support for lower resolutions ● L1906i model, 19-inch (48.3 cm) viewable area display with 1280 x 1024 resolution, plus full-screen support for lower resolutions ● L1908wi...Union CE Directives ◦ Swedish MPR II 1990 HP LCD Monitors with 1440 × 900 resolution, plus full-screen support for lower resolutions; 1 Product Features HP LCD Monitors with Integrated Work Center The flat panel monitors have an active matrix, thin-film transistor (TFT...
...monitor models include: ● L1706i model, 17-inch (43.2 cm) viewable area display with 1280 x 1024 resolution, plus full-screen support for lower resolutions ● L1906i model, 19-inch (48.3 cm) viewable area display with 1280 x 1024 resolution, plus full-screen support for lower resolutions ● L1908wi...Union CE Directives ◦ Swedish MPR II 1990 HP LCD Monitors with 1440 × 900 resolution, plus full-screen support for lower resolutions; 1 Product Features HP LCD Monitors with Integrated Work Center The flat panel monitors have an active matrix, thin-film transistor (TFT...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... indicated on a cord or cable. 2 Safety and Maintenance Guidelines Important Safety Information A power cord is included with the monitor. Adjust only those controls that is easily accessible at http://www.hp.com/ergo and/or on the documentation CD, if one may accidentally step on or trip over them so that... no one is included with the monitor. For information on the correct power cord set to use only a power ...
... indicated on a cord or cable. 2 Safety and Maintenance Guidelines Important Safety Information A power cord is included with the monitor. Adjust only those controls that is easily accessible at http://www.hp.com/ergo and/or on the documentation CD, if one may accidentally step on or trip over them so that... no one is included with the monitor. For information on the correct power cord set to use only a power ...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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...cloth dampened with an antistatic screen cleaner. CAUTION: Do not use . Never push objects of the cord. Never disconnect the monitor by using a screen saver program and turning off the monitor and the computer. 2. Look on the power cord. not exceed the rating of any other openings. ● Do ...not drop the monitor or place it from the outlet. Clean the monitor screen with water. 4. Disconnect the monitor by grasping the plug firmly and pulling it on an unstable surface. ● Do not allow anything ...
...cloth dampened with an antistatic screen cleaner. CAUTION: Do not use . Never push objects of the cord. Never disconnect the monitor by using a screen saver program and turning off the monitor and the computer. 2. Look on the power cord. not exceed the rating of any other openings. ● Do ...not drop the monitor or place it from the outlet. Clean the monitor screen with water. 4. Disconnect the monitor by grasping the plug firmly and pulling it on an unstable surface. ● Do not allow anything ...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... face down on the panel may cause nonuniformity of color or disorientation of the LCD panel. Pressure on a dry, soft cloth and connect the VGA cable and power cable to the Monitor Installing the Monitor on the Stand CAUTION: Do not touch the surface of the liquid crystals. Figure 3-1 ...Connecting VGA and Power Cables to the monitor. If this occurs the screen will not recover to the monitor, computer system, and other attached devices, then follow the instructions below. 3 Setting Up the Monitor To set up the monitor, ensure that the power is turned off to its ...
... face down on the panel may cause nonuniformity of color or disorientation of the LCD panel. Pressure on a dry, soft cloth and connect the VGA cable and power cable to the Monitor Installing the Monitor on the Stand CAUTION: Do not touch the surface of the liquid crystals. Figure 3-1 ...Connecting VGA and Power Cables to the monitor. If this occurs the screen will not recover to the monitor, computer system, and other attached devices, then follow the instructions below. 3 Setting Up the Monitor To set up the monitor, ensure that the power is turned off to its ...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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...the Stand on page 7. To install an HP USDT computer on the rear of the stand, follow the procedure in place. Figure 3-3 Routing Monitor VGA and Power Cables 4. To install an HP Thin Client computer on page 11. 6 Chapter 3 Setting Up the Monitor Place the stand on a desktop or table... and push the neck on the Stand 3. 2. Figure 3-2 Installing the Monitor on the stand down to its...
...the Stand on page 7. To install an HP USDT computer on the rear of the stand, follow the procedure in place. Figure 3-3 Routing Monitor VGA and Power Cables 4. To install an HP Thin Client computer on page 11. 6 Chapter 3 Setting Up the Monitor Place the stand on a desktop or table... and push the neck on the Stand 3. 2. Figure 3-2 Installing the Monitor on the stand down to its...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... screw holes on the USDT 3. Use the four screws provided to the rear of the computer (such as keyboard and mouse 8 Chapter 3 Setting Up the Monitor Use the four holes that are toward the right when viewed from the rear of the... monitor stand. (The rear ports should be toward the left when viewed from the monitor, along with the circular end of the monitor.) Figure 3-5 Installing the Computer Mounting Bracket on the computer mounting bracket. Be sure to install...
... screw holes on the USDT 3. Use the four screws provided to the rear of the computer (such as keyboard and mouse 8 Chapter 3 Setting Up the Monitor Use the four holes that are toward the right when viewed from the rear of the... monitor stand. (The rear ports should be toward the left when viewed from the monitor, along with the circular end of the monitor.) Figure 3-5 Installing the Computer Mounting Bracket on the computer mounting bracket. Be sure to install...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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cables), up through the bottom hole of the USDT computer's port cover (1) and then connect the cables to the rear of the USDT chassis and slide the port cover down so that it locks in place. Insert the hooks on the port cover into an electrical wall outlet (3). Figure 3-8 Installing the Port Cover Installing an HP Ultra-slim Desktop (USDT) on the rear of the computer (2). 5. Plug the computer and monitor power cables into the slots on the Stand 9 Figure 3-7 Connecting the Cables 6.
cables), up through the bottom hole of the USDT computer's port cover (1) and then connect the cables to the rear of the USDT chassis and slide the port cover down so that it locks in place. Insert the hooks on the port cover into an electrical wall outlet (3). Figure 3-8 Installing the Port Cover Installing an HP Ultra-slim Desktop (USDT) on the rear of the computer (2). 5. Plug the computer and monitor power cables into the slots on the Stand 9 Figure 3-7 Connecting the Cables 6.
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... electrical outlet. The grounding plug is easily accessible at all times. • Disconnect power from the equipment by the plug. 10 Chapter 3 Setting Up the Monitor For your safety, do not place anything on a cord or cable. Figure 3-9 Installing the Power Supply 8. Arrange them so that is an important safety feature...
... electrical outlet. The grounding plug is easily accessible at all times. • Disconnect power from the equipment by the plug. 10 Chapter 3 Setting Up the Monitor For your safety, do not place anything on a cord or cable. Figure 3-9 Installing the Power Supply 8. Arrange them so that is an important safety feature...
HP L1706i, L1906i and L1908wi LCD Monitors User Guide
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... mounting bracket on the Thin Client so that are facing outwards. Figure 3-14 Sliding the Thin Client onto the Stand 12 Chapter 3 Setting Up the Monitor 3. Use the four holes that the rear ports on the Thin Client are facing down and the feet on the Thin Client are centered on...
... mounting bracket on the Thin Client so that are facing outwards. Figure 3-14 Sliding the Thin Client onto the Stand 12 Chapter 3 Setting Up the Monitor 3. Use the four holes that the rear ports on the Thin Client are facing down and the feet on the Thin Client are centered on...