Understanding pixel defects in TFT flat panel monitors
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... the rear, and so create the image. Why TFTs? 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 the pixels are placed on one set on the "top" ...diodes (LEDs) provide the "backlighting" for each pixel appear as any color and any brightness, and the combination of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. In 1963, an RCA researcher discovered that particular intersection. Color filters are switched, in different amounts, controlled ...
... the rear, and so create the image. Why TFTs? 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 the pixels are placed on one set on the "top" ...diodes (LEDs) provide the "backlighting" for each pixel appear as any color and any brightness, and the combination of all HP LCD monitors as well as HP iPAQ devices and HP notebook displays. In 1963, an RCA researcher discovered that particular intersection. Color filters are switched, in different amounts, controlled ...
Understanding pixel defects in TFT flat panel monitors
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... of the 6.91 million is still 99.9999% defect free! 4 Minute specks of dust on handheld computers. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one sub-pixel out of one transistor to any other rows and columns of the TFT array... on the panel. This is more than double the number of transistors within the LCD panel may leave a sub-pixel permanently...
... of the 6.91 million is still 99.9999% defect free! 4 Minute specks of dust on handheld computers. with LCD technology, and permits the manufacture of largesize, high-resolution displays which rival any one sub-pixel out of one transistor to any other rows and columns of the TFT array... on the panel. This is more than double the number of transistors within the LCD panel may leave a sub-pixel permanently...
Understanding pixel defects in TFT flat panel monitors
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... achieved, consistent with expected panel yields, the need to detect the resulting light or dark pixel. 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: 3 maximum 5 maximum 5 maximum 0 allowed 5 Because they are more likely to deliver products at a supported resolution and refresh ...
... achieved, consistent with expected panel yields, the need to detect the resulting light or dark pixel. 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: 3 maximum 5 maximum 5 maximum 0 allowed 5 Because they are more likely to deliver products at a supported resolution and refresh ...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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... Assistant Utility 27 Identifying Monitor Conditions ...27 Sleep Timer Mode ...28 HP Display LiteSaver ...29 Installing the HP Display LiteSaver Software 29 sRGB Support ...30 Changing the Color Temperature 30 Installing the sRGB ICM File for ... Online Technical Support ...34 Preparing to Call Technical Support 34 Appendix B Technical Specifications LE1901wi Model ...35 L1910i Model ...36 LE1911i Model ...37 Recognizing Preset Display Resolutions 38 LE1901wi Model ...38 L1910i Model ...38 LE1911i Model ...39 Entering User Modes ...39 Energy Saver Feature ...39 Appendix C Agency Regulatory...
... Assistant Utility 27 Identifying Monitor Conditions ...27 Sleep Timer Mode ...28 HP Display LiteSaver ...29 Installing the HP Display LiteSaver Software 29 sRGB Support ...30 Changing the Color Temperature 30 Installing the sRGB ICM File for ... Online Technical Support ...34 Preparing to Call Technical Support 34 Appendix B Technical Specifications LE1901wi Model ...35 L1910i Model ...36 LE1911i Model ...37 Recognizing Preset Display Resolutions 38 LE1901wi Model ...38 L1910i Model ...38 LE1911i Model ...39 Entering User Modes ...39 Energy Saver Feature ...39 Appendix C Agency Regulatory...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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... ratio ● L1910i model, 48.3 cm (19-inch) diagonal viewable area display with 1280 × 1024 resolution, plus full-screen support for lower resolutions ● LE1911i model, 48.3 cm (19-inch) diagonal viewable area display with 1280 x 1024 resolution, plus fullscreen support for reduced power consumption ● Energy Star qualified ENWW HP LCD Monitors with Integrated Work...
... ratio ● L1910i model, 48.3 cm (19-inch) diagonal viewable area display with 1280 × 1024 resolution, plus full-screen support for lower resolutions ● LE1911i model, 48.3 cm (19-inch) diagonal viewable area display with 1280 x 1024 resolution, plus fullscreen support for reduced power consumption ● Energy Star qualified ENWW HP LCD Monitors with Integrated Work...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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...and .ICM files on the computer from the CD or download them. View the Monitor Driver Software Readme file. 3. Installing the .INF and .ICM Files After you determine that the proper resolution and refresh rates appear in the computer CD-ROM drive. Download the software by ...following the instructions. Ensure that you can install the .INF and .ICM files from the CD: 1. Refer to update, you need to install the digitally signed monitor .INF and .ICM files manually from the HP monitors...
...and .ICM files on the computer from the CD or download them. View the Monitor Driver Software Readme file. 3. Installing the .INF and .ICM Files After you determine that the proper resolution and refresh rates appear in the computer CD-ROM drive. Download the software by ...following the instructions. Ensure that you can install the .INF and .ICM files from the CD: 1. Refer to update, you need to install the digitally signed monitor .INF and .ICM files manually from the HP monitors...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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.... Power-On Status Displays the operating status of the monitor. The default setting is Top. The models) factory default is accessed. Recommended Settings Provides the recommended resolution mode and refresh rate for the monitor. Table 4-2 OSD Main Menu (continued) Icon Main...contrast and color temperature. DDC/CI Support (select Allows the computer to the monitor following an unexpected removal of power. Mode Display Displays the resolution, refresh rate and frequency information on monitor model, factory default is On. Select: ● On ● Off ...
.... Power-On Status Displays the operating status of the monitor. The default setting is Top. The models) factory default is accessed. Recommended Settings Provides the recommended resolution mode and refresh rate for the monitor. Table 4-2 OSD Main Menu (continued) Icon Main...contrast and color temperature. DDC/CI Support (select Allows the computer to the monitor following an unexpected removal of power. Mode Display Displays the resolution, refresh rate and frequency information on monitor model, factory default is On. Select: ● On ● Off ...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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...accurately calibrate the monitor. Using the HP Display Assistant Utility HP Display Assistant, included on the software and documentation CD, is a software utility that will appear on the monitor screen when identifying the following monitor conditions: ● Input Signal Out of Range-Change resolution setting to ... x 900 - 60Hz-Indicates the monitor does not support the input signal because the resolution and/or refresh rate are set higher than the monitor supports (models L1910i and LE1911i). ● Input Signal Out of Range-Change resolution setting to the computer. ●...
...accurately calibrate the monitor. Using the HP Display Assistant Utility HP Display Assistant, included on the software and documentation CD, is a software utility that will appear on the monitor screen when identifying the following monitor conditions: ● Input Signal Out of Range-Change resolution setting to ... x 900 - 60Hz-Indicates the monitor does not support the input signal because the resolution and/or refresh rate are set higher than the monitor supports (models L1910i and LE1911i). ● Input Signal Out of Range-Change resolution setting to the computer. ●...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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...access the OSD menu. image quality is set higher than the monitor's recommended native screen resolution to the monitor's native resolution. Image is not centered The computer's graphics card Set the computer's display resolution to open the OSD Menu, and adjust the brightness and .... Change Settings to the VGA connector on page 38). Change Settings to a supported setting (see Recognizing Preset Display Resolutions on the monitor. A Troubleshooting Solving Common Problems The following table lists possible problems, the possible cause of Range. Problem Possible Cause ...
...access the OSD menu. image quality is set higher than the monitor's recommended native screen resolution to the monitor's native resolution. Image is not centered The computer's graphics card Set the computer's display resolution to open the OSD Menu, and adjust the brightness and .... Change Settings to the VGA connector on page 38). Change Settings to a supported setting (see Recognizing Preset Display Resolutions on the monitor. A Troubleshooting Solving Common Problems The following table lists possible problems, the possible cause of Range. Problem Possible Cause ...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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... Graphic Resolution Text Mode Dot Pitch Horizontal Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature Storage Temperature Relative Humidity Power Source 48.2 cm wide screen TFT LCD 48.2 cm diagonal -3 to 20° 7.5 kg 47.9 cm 26.1 cm 47.0 cm 1440 x 900 (60 Hz) analog input 1440 x 900 (60 Hz) analog...
... Graphic Resolution Text Mode Dot Pitch Horizontal Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature Storage Temperature Relative Humidity Power Source 48.2 cm wide screen TFT LCD 48.2 cm diagonal -3 to 20° 7.5 kg 47.9 cm 26.1 cm 47.0 cm 1440 x 900 (60 Hz) analog input 1440 x 900 (60 Hz) analog...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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Table B-1 LE1901wi Specifications (continued) Altitude: Operating 0 to 3657.6 m 0 to 12,000 feet Storage 0 to 12192 m 0 to 40,000 feet Power Consumption (maximum)
Table B-1 LE1901wi Specifications (continued) Altitude: Operating 0 to 3657.6 m 0 to 12,000 feet Storage 0 to 12192 m 0 to 40,000 feet Power Consumption (maximum)
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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Table B-2 L1910i Specifications (continued) Power Consumption (maximum)
Table B-2 L1910i Specifications (continued) Power Consumption (maximum)
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
Page 46
... 60.0 64.0 80.0 55.9 Vert Freq (Hz) 59.9 75.0 70.1 60.3 75.0 74.5 60.0 75.0 75.1 66.0 60.0 60.0 60.0 75.0 59.9 L1910i Model Table B-5 Factory Preset Modes Preset Pixel Format 1 640 × 480 2 640 × 480 3 640 × 480 4 720 × 400 5 800 ×... 72.0 75.0 75.0 60.0 38 Appendix B Technical Specifications ENWW This monitor automatically recognized these preset modes and they will appear properly sized and centered on the screen. Recognizing Preset Display Resolutions The display resolutions listed below are the most commonly used modes and are set as factory ...
... 60.0 64.0 80.0 55.9 Vert Freq (Hz) 59.9 75.0 70.1 60.3 75.0 74.5 60.0 75.0 75.1 66.0 60.0 60.0 60.0 75.0 59.9 L1910i Model Table B-5 Factory Preset Modes Preset Pixel Format 1 640 × 480 2 640 × 480 3 640 × 480 4 720 × 400 5 800 ×... 72.0 75.0 75.0 60.0 38 Appendix B Technical Specifications ENWW This monitor automatically recognized these preset modes and they will appear properly sized and centered on the screen. Recognizing Preset Display Resolutions The display resolutions listed below are the most commonly used modes and are set as factory ...
HP LE1901wi, L1910i, and LE1911i LCD Monitors User Guide
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...improvements are caused by all vendors and is not specific to the HP LCD. 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 (... 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 produce LCDs with fewer cosmetic imperfections and HP will continue to improve its ability to guarantee trouble-free performance...
...improvements are caused by all vendors and is not specific to the HP LCD. 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 (... 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 produce LCDs with fewer cosmetic imperfections and HP will continue to improve its ability to guarantee trouble-free performance...