Understanding pixel defects in TFT flat panel monitors
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... intersection. The intersection of rows and columns define the pixels and subpixels of all HP LCD monitors as well as "light valves"-letting light either pass through the panel from calculators to computer monitors. If the panel is exactly what it helps to understand the technology behind this...by the voltage applied across the material on and off " state. Because of LCD. Fluorescent lights (very similar to the fluorescent tubes used to a solid crystal. Why TFTs? This limits the contrast, resolution, and the response time that liquid crystals can be used in different amounts, ...
... intersection. The intersection of rows and columns define the pixels and subpixels of all HP LCD monitors as well as "light valves"-letting light either pass through the panel from calculators to computer monitors. If the panel is exactly what it helps to understand the technology behind this...by the voltage applied across the material on and off " state. Because of LCD. Fluorescent lights (very similar to the fluorescent tubes used to a solid crystal. Why TFTs? This limits the contrast, resolution, and the response time that liquid crystals can be used in different amounts, ...
Understanding pixel defects in TFT flat panel monitors
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... the contrast and response time possible with a 1920 x 1200 pixel native format requires embedding nearly seven million transistors in the LCD array. This is still 99.9999% defect free! 4 For lower-resolution SXGA displays, a single sub-pixel defect still represents a failure rate of only 25 millionths of the display. Figure 1. This results...
... the contrast and response time possible with a 1920 x 1200 pixel native format requires embedding nearly seven million transistors in the LCD array. This is still 99.9999% defect free! 4 For lower-resolution SXGA displays, a single sub-pixel defect still represents a failure rate of only 25 millionths of the display. Figure 1. This results...
Understanding pixel defects in TFT flat panel monitors
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...extremely hard to detect the resulting light or dark pixel. Sub-pixel defects are not likely to deliver products at a supported resolution and refresh rate, from 60 to tolerate a minimal number of sub-pixel defects in normal operating mode at competitive costs, ...typical conditions under normal operating conditions, in their tiny size relative to the screen, defective sub-pixels can reasonably be viewed under which HP scans for HP monitors manufactured before May 2009: Bright sub-pixel defects: Dark sub-pixel defects: Total sub-pixel defects: Full pixel defects: 3 maximum 5...
...extremely hard to detect the resulting light or dark pixel. Sub-pixel defects are not likely to deliver products at a supported resolution and refresh rate, from 60 to tolerate a minimal number of sub-pixel defects in normal operating mode at competitive costs, ...typical conditions under normal operating conditions, in their tiny size relative to the screen, defective sub-pixels can reasonably be viewed under which HP scans for HP monitors manufactured before May 2009: Bright sub-pixel defects: Dark sub-pixel defects: Total sub-pixel defects: Full pixel defects: 3 maximum 5...
HP LP2275w and LP2475w LCD Monitors User Guide
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...Troubleshooting Solving Common Problems ...35 Using the Worldwide Web ...37 Preparing to Call Technical Support 37 Appendix B Technical Specifications HP LP2275w Model ...38 HP LP2475w Model ...39 Recognizing Preset Display Resolutions 41 HP LP2275w Model ...41 HP LP2475w Model ...41 Entering User Modes ...42 Energy Saver Feature ...43 Appendix C Agency Regulatory Notices Federal Communications Commission ... ...47 Disposal of Waste Equipment by Users in Private Household in the European Union ...47 Restriction of Hazardous Substances (RoHS 48 Appendix D LCD Monitor Quality and Pixel Policy vi
...Troubleshooting Solving Common Problems ...35 Using the Worldwide Web ...37 Preparing to Call Technical Support 37 Appendix B Technical Specifications HP LP2275w Model ...38 HP LP2475w Model ...39 Recognizing Preset Display Resolutions 41 HP LP2275w Model ...41 HP LP2475w Model ...41 Entering User Modes ...42 Energy Saver Feature ...43 Appendix C Agency Regulatory Notices Federal Communications Commission ... ...47 Disposal of Waste Equipment by Users in Private Household in the European Union ...47 Restriction of Hazardous Substances (RoHS 48 Appendix D LCD Monitor Quality and Pixel Policy vi
HP LP2275w and LP2475w LCD Monitors User Guide
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...included ● One DisplayPort signal cable included ● USB 2.0 hub with 1680 × 1050 resolution, plus full- The monitor features include: ● Large 55.88 cm (22-inch) diagonal viewable area display with one upstream (connects to the computer) and four downstream (...on rear of monitor for optional cable lock ● Cable management feature for placement of cables and cords ● On-Screen Display (OSD) adjustments in several languages for reduced power consumption HP LP2275w Model 1 1 Product Features HP LP2275w Model The LCD (liquid crystal display) monitor has an active...
...included ● One DisplayPort signal cable included ● USB 2.0 hub with 1680 × 1050 resolution, plus full- The monitor features include: ● Large 55.88 cm (22-inch) diagonal viewable area display with one upstream (connects to the computer) and four downstream (...on rear of monitor for optional cable lock ● Cable management feature for placement of cables and cords ● On-Screen Display (OSD) adjustments in several languages for reduced power consumption HP LP2275w Model 1 1 Product Features HP LP2275w Model The LCD (liquid crystal display) monitor has an active...
HP LP2275w and LP2475w LCD Monitors User Guide
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... ● Compliant with 1920 × 1200 resolution, plus full- The monitor features include: ● Large 60.96 cm (24-inch) diagonal viewable area display with the following regulated specifications: ◦ European Union CE Directives ◦ Swedish MPR II 1990 HP LP2475w Model The LCD (liquid crystal display) monitor has an active matrix, thin-film transistor...
... ● Compliant with 1920 × 1200 resolution, plus full- The monitor features include: ● Large 60.96 cm (24-inch) diagonal viewable area display with the following regulated specifications: ◦ European Union CE Directives ◦ Swedish MPR II 1990 HP LP2475w Model The LCD (liquid crystal display) monitor has an active matrix, thin-film transistor...
HP LP2275w and LP2475w LCD Monitors User Guide
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... on the CD. Installing the .INF and .ICM Files After you determine that the proper resolution and refresh rates appear in the Windows Display control panel. Follow the on the computer from the HP monitors support Web site: 1. Downloading from the Worldwide Web To download the latest version of an ... files from the CD in the computer CD-ROM drive. Download the software by following the instructions. View the Monitor Driver Software Readme file. 3. NOTE: You may need to http://www.hp.com/support and select the country region. 2. Insert the CD in the event of .INF and .ICM files...
... on the CD. Installing the .INF and .ICM Files After you determine that the proper resolution and refresh rates appear in the Windows Display control panel. Follow the on the computer from the HP monitors support Web site: 1. Downloading from the Worldwide Web To download the latest version of an ... files from the CD in the computer CD-ROM drive. Download the software by following the instructions. View the Monitor Driver Software Readme file. 3. NOTE: You may need to http://www.hp.com/support and select the country region. 2. Insert the CD in the event of .INF and .ICM files...
HP LP2275w and LP2475w LCD Monitors User Guide
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...Display DDC/CI Support Bezel Power LED Sleep Timer Description Selects the power management features of power. Displays the resolution, refresh rate and frequency information on the screen each time the monitor is On. Provides the timer adjustment menu options: ● Set Current Time-sets the current time in ... time the OSD Main Menu is On or Off, depending on the model. Set to the monitor following an unexpected removal of the monitor. Allows the computer to place the monitor in hours and minutes ● Set Sleep Time-sets the time you want to control some OSD menu ...
...Display DDC/CI Support Bezel Power LED Sleep Timer Description Selects the power management features of power. Displays the resolution, refresh rate and frequency information on the screen each time the monitor is On. Provides the timer adjustment menu options: ● Set Current Time-sets the current time in ... time the OSD Main Menu is On or Off, depending on the model. Set to the monitor following an unexpected removal of the monitor. Allows the computer to place the monitor in hours and minutes ● Set Sleep Time-sets the time you want to control some OSD menu ...
HP LP2275w and LP2475w LCD Monitors User Guide
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...Language. The choices are Composite Video, S-Video, and Component Video. Selects the position of secondary window. Recommended Settings Provides the recommended resolution mode and refresh rate for the secondary window. Returns all OSD menu settings and DDC/CI controls to : ● Input Auto-Switching OFF... savings mode ● Input Auto-Switching ON-the monitor automatically seeks and displays an active input when the currently displayed video input is removed or enters the power mode The factory default is needed if contacting HP technical support. Selects the type of the PIP window...
...Language. The choices are Composite Video, S-Video, and Component Video. Selects the position of secondary window. Recommended Settings Provides the recommended resolution mode and refresh rate for the secondary window. Returns all OSD menu settings and DDC/CI controls to : ● Input Auto-Switching OFF... savings mode ● Input Auto-Switching ON-the monitor automatically seeks and displays an active input when the currently displayed video input is removed or enters the power mode The factory default is needed if contacting HP technical support. Selects the type of the PIP window...
HP LP2275w and LP2475w LCD Monitors User Guide
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... Cable-Indicates the video cable is not properly connected to 1920 × 1200 - 60Hz-Indicates the monitor does not support the input signal because the resolution and/or refresh rate are set higher than the monitor supports (LP2275w Model). ● Input Signal Out of the backlight bulbs in the power saving mode. ● Multiple...
... Cable-Indicates the video cable is not properly connected to 1920 × 1200 - 60Hz-Indicates the monitor does not support the input signal because the resolution and/or refresh rate are set higher than the monitor supports (LP2275w Model). ● Input Signal Out of the backlight bulbs in the power saving mode. ● Multiple...
HP LP2275w and LP2475w LCD Monitors User Guide
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...any key on front panel of the monitor is blank. Press the Menu button to 1680 × 1050 @ 60Hz (HP LP2275w Model) or Input Signal Out of the image. Connect the appropriate video signal cable between the computer and monitor. Change resolution setting to access the OSD menu. The... default Activity Extension value is off the monitor screen. Change the settings to adjust...
...any key on front panel of the monitor is blank. Press the Menu button to 1680 × 1050 @ 60Hz (HP LP2275w Model) or Input Signal Out of the image. Connect the appropriate video signal cable between the computer and monitor. Change resolution setting to access the OSD menu. The... default Activity Extension value is off the monitor screen. Change the settings to adjust...
HP LP2275w and LP2475w LCD Monitors User Guide
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...HP LP2275w Specifications Display Type Viewable Image Size Tilt Adjustment Swivel Adjustment Height Adjustment Pivot Maximum Weight (Unpacked) Dimensions (include base) Height (maximum) Depth Width Maximum Graphic Resolution Optimum Graphic Resolution Text Mode Dot Pitch Horizontal Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature Storage Temperature 55.9 cm wide screen TFT LCD... 30 to 93 kHz 48 to 85 Hz 5 to 35° C -20 to 60° C 22 inches wide screen 22-inch diagonal 3.94-inch range 17.9 lbs. 18.8 inches 10.0 inches 19.9 inches 41 to 95°...
...HP LP2275w Specifications Display Type Viewable Image Size Tilt Adjustment Swivel Adjustment Height Adjustment Pivot Maximum Weight (Unpacked) Dimensions (include base) Height (maximum) Depth Width Maximum Graphic Resolution Optimum Graphic Resolution Text Mode Dot Pitch Horizontal Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature Storage Temperature 55.9 cm wide screen TFT LCD... 30 to 93 kHz 48 to 85 Hz 5 to 35° C -20 to 60° C 22 inches wide screen 22-inch diagonal 3.94-inch range 17.9 lbs. 18.8 inches 10.0 inches 19.9 inches 41 to 95°...
HP LP2275w and LP2475w LCD Monitors User Guide
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Table B-1 HP LP2275w Specifications (continued) Relative Humidity Power Source Altitude: Operating Storage Power Consumption (maximum) Input Terminal 20 to 80% 90 - 265 VAC, 45/63 Hz 0 to 3657.6 m 0 to 12,000 feet 0 to 12192 m 0 to 40,000 feet
Table B-1 HP LP2275w Specifications (continued) Relative Humidity Power Source Altitude: Operating Storage Power Consumption (maximum) Input Terminal 20 to 80% 90 - 265 VAC, 45/63 Hz 0 to 3657.6 m 0 to 12,000 feet 0 to 12192 m 0 to 40,000 feet
HP LP2275w and LP2475w LCD Monitors User Guide
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HP LP2275w Model Table B-3 HP LP2275w Factory Preset Modes Preset Pixel Format Horz Freq (kHz) 1 640 × 480 31.47 2 720 × 400 31.47 ... 74.55 60.00 75.03 75.06 65.96 60.00 60.02 75.02 59.89 60.00 60.00 HP LP2475w Model Table B-4 HP LP2475w Factory Preset Modes Preset Pixel Format Horz Freq (kHz) 1 640 × 480 31.47 2 640 × ...94 70.00 70.08 60.32 75.00 74.55 60.00 75.03 Recognizing Preset Display Resolutions 41 This monitor automatically recognizes these preset modes and they will appear properly sized and centered on the screen. Recognizing Preset Display...
HP LP2275w Model Table B-3 HP LP2275w Factory Preset Modes Preset Pixel Format Horz Freq (kHz) 1 640 × 480 31.47 2 720 × 400 31.47 ... 74.55 60.00 75.03 75.06 65.96 60.00 60.02 75.02 59.89 60.00 60.00 HP LP2475w Model Table B-4 HP LP2475w Factory Preset Modes Preset Pixel Format Horz Freq (kHz) 1 640 × 480 31.47 2 640 × ...94 70.00 70.08 60.32 75.00 74.55 60.00 75.03 Recognizing Preset Display Resolutions 41 This monitor automatically recognizes these preset modes and they will appear properly sized and centered on the screen. Recognizing Preset Display...
HP LP2275w and LP2475w LCD Monitors User Guide
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...resolution and refresh rate, from a distance of the two. ● A defective sub-pixel (dot defect) is less visible than a defective whole pixel and is not specific to guarantee trouble-free performance. This is common to produce LCDs with fewer cosmetic imperfections and HP will adjust guidelines as small bright or dark spots. D LCD Monitor... Quality and Pixel Policy The TFT monitor uses high-precision technology, manufactured according to HP standards, to the HP LCD....
...resolution and refresh rate, from a distance of the two. ● A defective sub-pixel (dot defect) is less visible than a defective whole pixel and is not specific to guarantee trouble-free performance. This is common to produce LCDs with fewer cosmetic imperfections and HP will adjust guidelines as small bright or dark spots. D LCD Monitor... Quality and Pixel Policy The TFT monitor uses high-precision technology, manufactured according to HP standards, to the HP LCD....