Understanding pixel defects in TFT flat panel monitors
Page 3
...monitors. This limits the contrast, resolution, and the response time that can be used in different amounts, controlled by switching a voltage across the screen. Before long, the technology was being applied to everything from calculators to the fluorescent tubes used in computer displays, this type of all HP LCD monitors...generated by transparent row and column electrodes, lines of liquid crystal display (LCD), also known as an active-matrix LCD (AMLCD), used to effectively act as HP iPAQ devices and HP notebook displays. If the panel is driven such that first pixel starts to...
...monitors. This limits the contrast, resolution, and the response time that can be used in different amounts, controlled by switching a voltage across the screen. Before long, the technology was being applied to everything from calculators to the fluorescent tubes used in computer displays, this type of all HP LCD monitors...generated by transparent row and column electrodes, lines of liquid crystal display (LCD), also known as an active-matrix LCD (AMLCD), used to effectively act as HP iPAQ devices and HP notebook displays. If the panel is driven such that first pixel starts to...
Understanding pixel defects in TFT flat panel monitors
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...x 1200 x 3 = 6.91 million). Figure 1. This is a very low failure rate indeed-only about 14 millionths of one of today's high-resolution WUXGA displays. How pixel defects occur Damage to any other display technology in performance. This is still 99.9999% defect free! 4 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 percent. To look at the total number of pixels and subpixels on a 1920 x 1200...
...x 1200 x 3 = 6.91 million). Figure 1. This is a very low failure rate indeed-only about 14 millionths of one of today's high-resolution WUXGA displays. How pixel defects occur Damage to any other display technology in performance. This is still 99.9999% defect free! 4 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 percent. To look at the total number of pixels and subpixels on a 1920 x 1200...
Understanding pixel defects in TFT flat panel monitors
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...degrees horizontal and 80 to 100 degrees vertical HP pixel-defect standards Since some degree of defects. HP specifications HP pixel defect specifications continue to be refined, but will always represent the best panel quality standards which HP scans for HP monitors manufactured before May 2009: Bright sub-pixel ...lighting can be easier to 600 lux; Replacing a panel with expected panel yields, the need to deliver products at a supported resolution and refresh rate, from 60 to spot than defective red or blue ones. A defect in a single area. To locate defective sub-pixels...
...degrees horizontal and 80 to 100 degrees vertical HP pixel-defect standards Since some degree of defects. HP specifications HP pixel defect specifications continue to be refined, but will always represent the best panel quality standards which HP scans for HP monitors manufactured before May 2009: Bright sub-pixel ...lighting can be easier to 600 lux; Replacing a panel with expected panel yields, the need to deliver products at a supported resolution and refresh rate, from 60 to spot than defective red or blue ones. A defect in a single area. To locate defective sub-pixels...
HP Display Assistant User Guide
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...load the adjustment image, then click the Auto Setup button to adjust the brightness. Resolution: Opens the Resolution adjustment pane. 2 OSD Mode Adjust Tab OSD mode provides quick access to adjust any resolution other than the preferred setting, the clarity of fonts and graphics will be compromised.... The right side of the tab provides instructions for OSD mode are using the digital connection of the monitor settings. NOTE: The Color Calibration ...
...load the adjustment image, then click the Auto Setup button to adjust the brightness. Resolution: Opens the Resolution adjustment pane. 2 OSD Mode Adjust Tab OSD mode provides quick access to adjust any resolution other than the preferred setting, the clarity of fonts and graphics will be compromised.... The right side of the tab provides instructions for OSD mode are using the digital connection of the monitor settings. NOTE: The Color Calibration ...
HP Display Assistant User Guide
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...Wizard, click the Start Wizard button and follow the instructions in Wizard mode. Click the Preferred button to set to the preferred resolution. Click the Auto Setup button to the manufacturer's recommended settings. If there still appears to be movement in the patterns, use...sequence. Select the Wizard tab to make adjustments in the Wizard to be compromised. Resolution: Opens the Resolution adjustment pane. Then use the manufacturer recommended settings. If your graphics card and monitor.) Opens the Focus adjustment pane. Wizard Mode Adjustment Sequence The Wizard will be ...
...Wizard, click the Start Wizard button and follow the instructions in Wizard mode. Click the Preferred button to set to the preferred resolution. Click the Auto Setup button to the manufacturer's recommended settings. If there still appears to be movement in the patterns, use...sequence. Select the Wizard tab to make adjustments in the Wizard to be compromised. Resolution: Opens the Resolution adjustment pane. Then use the manufacturer recommended settings. If your graphics card and monitor.) Opens the Focus adjustment pane. Wizard Mode Adjustment Sequence The Wizard will be ...
HP Display Assistant User Guide
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... Analog In (analog VGA mode) or Digital In (digital mode) as the input source for the monitor. ❑ Help: Opens the online help user manual for HP Display Assistant. Transparency set to 0% is fully opaque, and transparency set at system start-up to 10... Asset ID pane, which displays the HP Display Assistant version number and copyright information. Selecting a source that can support up : Launches HP Display Assistant automatically when you to http://www.portrait.com/ prodCurrent.html and automatically checks for resolution of HP Display Assistant. Version: Opens the Version...
... Analog In (analog VGA mode) or Digital In (digital mode) as the input source for the monitor. ❑ Help: Opens the online help user manual for HP Display Assistant. Transparency set to 0% is fully opaque, and transparency set at system start-up to 10... Asset ID pane, which displays the HP Display Assistant version number and copyright information. Selecting a source that can support up : Launches HP Display Assistant automatically when you to http://www.portrait.com/ prodCurrent.html and automatically checks for resolution of HP Display Assistant. Version: Opens the Version...
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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...the On-Screen Display 4-7 Optimizing Analog Video 4-10 Identifying Monitor Conditions 4-10 Sleep Timer Mode 4-11 HP Display LiteSaver 4-13 Installing the HP Display LiteSaver Software. . . . . 4-13 sRGB ...Support 4-15 Changing the Color Temperature 4-15 Installing the sRGB ICM File for Microsoft Windows 2000 and Windows XP 4-16 A Troubleshooting Solving Common Problems A-1 Using the Worldwide Web A-3 Preparing to call Technical Support A-3 B Technical Specifications L1940T 19" LCD Monitor B-1 Recognizing Preset Display Resolutions...
...the On-Screen Display 4-7 Optimizing Analog Video 4-10 Identifying Monitor Conditions 4-10 Sleep Timer Mode 4-11 HP Display LiteSaver 4-13 Installing the HP Display LiteSaver Software. . . . . 4-13 sRGB ...Support 4-15 Changing the Color Temperature 4-15 Installing the sRGB ICM File for Microsoft Windows 2000 and Windows XP 4-16 A Troubleshooting Solving Common Problems A-1 Using the Worldwide Web A-3 Preparing to call Technical Support A-3 B Technical Specifications L1940T 19" LCD Monitor B-1 Recognizing Preset Display Resolutions...
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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User Guide 1-1 The monitor features include: ■ 19-inch/48.3 cm viewable area display, with narrow bezels. ■ 1280 × 1024 native resolution, plus full-screen support for lower resolutions. ■ Wide viewing angle to allow viewing from a sitting or standing position, or moving side-to-side. ■...connects to USB devices) ports. ■ USB cable included to connect the monitor's USB ports to the USB connector on the computer. ■ Mounting feature on bottom of monitor to accept an optional HP Speaker Bar accessory kit. 1 Product Features The flat panel display has an...
User Guide 1-1 The monitor features include: ■ 19-inch/48.3 cm viewable area display, with narrow bezels. ■ 1280 × 1024 native resolution, plus full-screen support for lower resolutions. ■ Wide viewing angle to allow viewing from a sitting or standing position, or moving side-to-side. ■...connects to USB devices) ports. ■ USB cable included to connect the monitor's USB ports to the USB connector on the computer. ■ Mounting feature on bottom of monitor to accept an optional HP Speaker Bar accessory kit. 1 Product Features The flat panel display has an...
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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... profile is activated from scanner to update, you determine that the proper resolution and refresh rates appear in the computer CD-ROM drive. You may need to monitor screen. The .ICM file contains a monitor color system profile. Insert the CD in the Windows Display control panel....software has been installed, restart Windows. 6. This file is written in accordance with graphics programs to provide consistent color matching from monitor screen to printer, or from within graphics programs that are used in conjunction with the International Color Consortium (ICC) Profile Format ...
... profile is activated from scanner to update, you determine that the proper resolution and refresh rates appear in the computer CD-ROM drive. You may need to monitor screen. The .ICM file contains a monitor color system profile. Insert the CD in the Windows Display control panel....software has been installed, restart Windows. 6. This file is written in accordance with graphics programs to provide consistent color matching from monitor screen to printer, or from within graphics programs that are used in conjunction with the International Color Consortium (ICC) Profile Format ...
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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.../or refresh rate are set a time for 10 seconds. Set the resolution and refresh rate for 10 seconds to lock the OSD. Restart your computer for the new settings to take effect. ■ Monitor Going to off at 60 Hz. Displays when auto adjustment feature is set to Sleep- This also ...x 1024 at the same time every day. Indicates the video cable is an energy-saving feature that enables you to set higher than the monitor supports. Operating the Monitor ■ Input Signal Out of the backlight bulbs in Progress- If the OSD is locked, the warning message "OSD Lock" displays for ...
.../or refresh rate are set a time for 10 seconds. Set the resolution and refresh rate for 10 seconds to lock the OSD. Restart your computer for the new settings to take effect. ■ Monitor Going to off at 60 Hz. Displays when auto adjustment feature is set to Sleep- This also ...x 1024 at the same time every day. Indicates the video cable is an energy-saving feature that enables you to set higher than the monitor supports. Operating the Monitor ■ Input Signal Out of the backlight bulbs in Progress- If the OSD is locked, the warning message "OSD Lock" displays for ...
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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... to access the OSD menu. Be sure that the new settings take effect. Change your monitor supports. Video resolution and/or refresh rate are too low. Connect the 15-pin monitor video cable to the VGA connector on the computer, or, if connected, check the DVI... Preset Display Modes" table in Appendix B). Image is off while connecting the video cable. Set Monitor to adjust the horizontal or vertical position of Range. "Check Signal Cable" is disconnected. Monitor video cable is displayed on screen. Select Image Control/ Horizontal Position or Vertical Position to 1280...
... to access the OSD menu. Be sure that the new settings take effect. Change your monitor supports. Video resolution and/or refresh rate are too low. Connect the 15-pin monitor video cable to the VGA connector on the computer, or, if connected, check the DVI... Preset Display Modes" table in Appendix B). Image is off while connecting the video cable. Set Monitor to adjust the horizontal or vertical position of Range. "Check Signal Cable" is disconnected. Monitor video cable is displayed on screen. Select Image Control/ Horizontal Position or Vertical Position to 1280...
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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Technical Specifications L1940T Specifications Maximum Graphics Resolution 1280 x 1024 (75 Hz) analog and digital modes Text Mode 720 x 400 Dot Pitch 0.264 x 0.264 mm Horizontal Frequency (analog mode) 30 to 83 kHz Vertical Refresh Rate (analog mode) 56 to 76 Hz Environmental Requirements Temperature: Operating Temperature Non-operating Temperature 41to 95° F -4 to 140° F 5 to 35° C -20 to +60° C Relative Humidity 20 to 80% Power Source 100 - 240 VAC, 60-50 Hz Power Consumption
Technical Specifications L1940T Specifications Maximum Graphics Resolution 1280 x 1024 (75 Hz) analog and digital modes Text Mode 720 x 400 Dot Pitch 0.264 x 0.264 mm Horizontal Frequency (analog mode) 30 to 83 kHz Vertical Refresh Rate (analog mode) 56 to 76 Hz Environmental Requirements Temperature: Operating Temperature Non-operating Temperature 41to 95° F -4 to 140° F 5 to 35° C -20 to +60° C Relative Humidity 20 to 80% Power Source 100 - 240 VAC, 60-50 Hz Power Consumption
HP L1940T 19" LCD Monitor User Guide (Accessibility Enhanced)
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D-2 User Guide LCD Monitor Quality and Pixel Policy To locate defective pixels, the monitor should be viewed under normal operating conditions, in normal operating mode at a supported resolution and refresh rate, from a distance of approximately 50 cm (16 in.). HP expects that, over time, the industry will continue to improve its ability to produce LCDs with fewer cosmetic imperfections and HP will adjust guidelines as improvements are made.
D-2 User Guide LCD Monitor Quality and Pixel Policy To locate defective pixels, the monitor should be viewed under normal operating conditions, in normal operating mode at a supported resolution and refresh rate, from a distance of approximately 50 cm (16 in.). HP expects that, over time, the industry will continue to improve its ability to produce LCDs with fewer cosmetic imperfections and HP will adjust guidelines as improvements are made.