Understanding pixel defects in TFT flat panel monitors
Page 3
...understand how pixel defects occur, it sounds like shape and electrical properties, liquid crystal molecules tend to line up in parallel rows in all HP LCD monitors as well as any color and any brightness, and the combination of all the pixels on and off " state. Because of their long...LEDs) provide the "backlighting" for each pixel appear as HP iPAQ devices and HP notebook displays. This limits the contrast, resolution, and the response time that can be achieved with three different colors (red, green, and blue) for the LCD display-the light that will pass through the panel from...
...understand how pixel defects occur, it sounds like shape and electrical properties, liquid crystal molecules tend to line up in parallel rows in all HP LCD monitors as well as any color and any brightness, and the combination of all the pixels on and off " state. Because of their long...LEDs) provide the "backlighting" for each pixel appear as HP iPAQ devices and HP notebook displays. This limits the contrast, resolution, and the response time that can be achieved with three different colors (red, green, and blue) for the LCD display-the light that will pass through the panel from...
Understanding pixel defects in TFT flat panel monitors
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... created at each subpixel on the panel. This is more than double the number of the display. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one percent (0.000014%). For example, producing one percent. These can switch very quickly,...of one of the TFT array on the display. How pixel defects occur Damage to any other problems encountered during manufacturing of today's high-resolution WUXGA displays. This is still 99.9999% defect free! 4 This results in a great improvement in the contrast and response time possible ...
... created at each subpixel on the panel. This is more than double the number of the display. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one percent (0.000014%). For example, producing one percent. These can switch very quickly,...of one of the TFT array on the display. How pixel defects occur Damage to any other problems encountered during manufacturing of today's high-resolution WUXGA displays. This is still 99.9999% defect free! 4 This results in a great improvement in the contrast and response time possible ...
Understanding pixel defects in TFT flat panel monitors
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...a similar number of sub-pixel defects are inevitable, all three sub-pixels defective), HP customers are as follows: Table 1. Historically, HP has maintained stringent manufacturing specifications for HP monitors manufactured before May 2009: Bright sub-pixel defects: Dark sub-pixel defects: Total ... spot that specifically contrasts with expected panel yields, the need to deliver products at a supported resolution and refresh rate, from 60 to 600 lux; HP specifications HP pixel defect specifications continue to be refined, but will always represent the best panel quality standards which...
...a similar number of sub-pixel defects are inevitable, all three sub-pixels defective), HP customers are as follows: Table 1. Historically, HP has maintained stringent manufacturing specifications for HP monitors manufactured before May 2009: Bright sub-pixel defects: Dark sub-pixel defects: Total ... spot that specifically contrasts with expected panel yields, the need to deliver products at a supported resolution and refresh rate, from 60 to 600 lux; HP specifications HP pixel defect specifications continue to be refined, but will always represent the best panel quality standards which...
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...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 Federal Communications Commission ...
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...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 Federal Communications Commission ...
HP L2045w LCD Monitor User Guide
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... Product Features HP L2045w The flat panel monitor has an active matrix, thin-film transistor (TFT), liquid crystal display (LCD). The monitor features include: ● Large 20.1-inch (51 cm) wide-screen display with 1680 × 1050 resolution, plus full-screen support for lower resolutions ● Wide..., and Spanish for easy setup and screen optimization ● Software and documentation CD that includes HP Display Assistant, Pivot Pro software, monitor driver software, and product documentation ● HP LiteSaver feature to meet requirements for reduced power consumption HP L2045w 1
... Product Features HP L2045w The flat panel monitor has an active matrix, thin-film transistor (TFT), liquid crystal display (LCD). The monitor features include: ● Large 20.1-inch (51 cm) wide-screen display with 1680 × 1050 resolution, plus full-screen support for lower resolutions ● Wide..., and Spanish for easy setup and screen optimization ● Software and documentation CD that includes HP Display Assistant, Pivot Pro software, monitor driver software, and product documentation ● HP LiteSaver feature to meet requirements for reduced power consumption HP L2045w 1
HP L2045w LCD Monitor User Guide
Page 27
... the auto-adjustment pattern software utility on -screen instructions. 5. Insert the CD in the computer CD-ROM drive. View the Monitor Driver Software Readme file. 3. Refer to http://www.hp.com/support and select the country region. 2. NOTE: You may need to the support page and download page. 3. Follow the links for... lines ● An off-center picture Installing the .INF and .ICM Files 19 Installing the .INF and .ICM Files After you determine that the proper resolution and refresh rates appear in the Windows Display control panel.
... the auto-adjustment pattern software utility on -screen instructions. 5. Insert the CD in the computer CD-ROM drive. View the Monitor Driver Software Readme file. 3. Refer to http://www.hp.com/support and select the country region. 2. NOTE: You may need to the support page and download page. 3. Follow the links for... lines ● An off-center picture Installing the .INF and .ICM Files 19 Installing the .INF and .ICM Files After you determine that the proper resolution and refresh rates appear in the Windows Display control panel.
HP L2045w LCD Monitor User Guide
Page 32
...powered on. sets the current time in seconds that the OSD is visible after the last button is 50. immediately sets the monitor to the top or bottom area of the screen. Adjust to control some OSD menu features such as brightness, contrast and color...Timer OSD Control Information Horizontal Position Vertical Position OSD Timeout OSD Transparency Current Settings Description Displays the resolution, refresh rate and frequency information on the screen each time the monitor is On. Allows the computer to view the background information through the OSD. Select the location...
...powered on. sets the current time in seconds that the OSD is visible after the last button is 50. immediately sets the monitor to the top or bottom area of the screen. Adjust to control some OSD menu features such as brightness, contrast and color...Timer OSD Control Information Horizontal Position Vertical Position OSD Timeout OSD Transparency Current Settings Description Displays the resolution, refresh rate and frequency information on the screen each time the monitor is On. Allows the computer to view the background information through the OSD. Select the location...
HP L2045w LCD Monitor User Guide
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... Description Recommended Settings Provides the recommended resolution mode and refresh rate for the monitor. Exit Exits the OSD menu screen. The serial number is set to Disable Input Auto-Switching. Backlight hours Reports the total hours of the monitor. DVI-D Selects DVI-D input. ...This menu selection is visible if the video input control is needed if contacting HP technical support. Factory Reset Returns all OSD menu settings to the ...
... Description Recommended Settings Provides the recommended resolution mode and refresh rate for the monitor. Exit Exits the OSD menu screen. The serial number is set to Disable Input Auto-Switching. Backlight hours Reports the total hours of the monitor. DVI-D Selects DVI-D input. ...This menu selection is visible if the video input control is needed if contacting HP technical support. Factory Reset Returns all OSD menu settings to the ...
HP L2045w LCD Monitor User Guide
Page 35
... On Time ● Timer: On/Off ● Sleep Now To set a time for 10 seconds. Identifying Monitor Conditions Special messages will appear on and off or in the monitor. Change resolution setting to lock the OSD. The monitor is in Progress - Scroll down and highlight Management. 3. Indicates the auto-adjustment function is active ●...
... On Time ● Timer: On/Off ● Sleep Now To set a time for 10 seconds. Identifying Monitor Conditions Special messages will appear on and off or in the monitor. Change resolution setting to lock the OSD. The monitor is in Progress - Scroll down and highlight Management. 3. Indicates the auto-adjustment function is active ●...
HP L2045w LCD Monitor User Guide
Page 39
...Turn the master power switch to a supported setting (see Table B-2 L2045w Model Factory Preset Modes on front panel of each problem, and the recommended solutions. Out of the image. Change the settings to On. The HP Display LiteSaver will not actually turn off . Press the Menu button to...on page 34 ). Check Video Cable is displayed on screen. Image appears blurred, indistinct, or too dark. Set Monitor to detect no input or movement from now. Video resolution and/or refresh rate are too low. For example, if the Display Off time is set to 10 minutes. Solving...
...Turn the master power switch to a supported setting (see Table B-2 L2045w Model Factory Preset Modes on front panel of each problem, and the recommended solutions. Out of the image. Change the settings to On. The HP Display LiteSaver will not actually turn off . Press the Menu button to...on page 34 ). Check Video Cable is displayed on screen. Image appears blurred, indistinct, or too dark. Set Monitor to detect no input or movement from now. Video resolution and/or refresh rate are too low. For example, if the Display Off time is set to 10 minutes. Solving...
HP L2045w LCD Monitor User Guide
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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 Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature Storage Temperature Relative Humidity Power Source Altitude: 20.1 inches TFT LCD...; C −20 to +60° C L2045w Model 33 Performance specifications represent the highest specification of all HP's component manufacturers' typical level specifications for performance and ...
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 Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature Storage Temperature Relative Humidity Power Source Altitude: 20.1 inches TFT LCD...; C −20 to +60° C L2045w Model 33 Performance specifications represent the highest specification of all HP's component manufacturers' typical level specifications for performance and ...
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
Page 49
... supported resolution and refresh rate, from a distance of one red, one green, and 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. 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. This is common...
... supported resolution and refresh rate, from a distance of one red, one green, and 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. 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. This is common...