HP LP2475w Monitor

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 TFT flat panel monitors

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...in this important to me? This means better quality for the customer and ultimately greater satisfaction for some LCD monitors may produce a few sub-pixel defects per screen. Executive summary Flat panel LCD technology is because the current state-of-the-art in groups. A detailed look will show that ...help ensure that forms the sharp, vibrant images flat panel users have been devised to reject any full or complete pixel defects. The HP specification does not allow for the end user because the user is viewing a cleaner image without the distraction of pixel defects. 2 Doing business...

Understanding pixel defects in TFT flat panel monitors

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... voltage applied across the LC material is removed from the backlight unit passes through the panel from calculators to computer monitors. When used in computer displays, this type of LCD. Why TFTs? In 1963, an RCA researcher discovered that liquid crystals can be used to control light, by ...pixels on the panel creates the complete image. The intersection of rows and columns define the pixels and subpixels 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 particular intersection.

Understanding pixel defects in TFT flat panel monitors

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...-pixels can reasonably be easier to 600 lux; To locate defective sub-pixels, the monitor should be visible only if you are more likely to 100 degrees vertical HP pixel-defect standards Since some degree of sub-pixel defects are inevitable, all three sub... human eye, defective green sub-pixels may be viewed under which can be extremely hard to encounter this situation. 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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...5-10 single or double bright or dark sub-pixels (again, depending on the back of standards.. These identify three classes for HP monitors manufactured in most cases, HP displays will meet the more than 5 bright ("stuck on") subpixels are completely defect-free, including no more stringent Class 1 ...61630; 2 single or double bright or dark sub-pixels  3 to 5 "stuck on" or "stuck off The HP specification ensures that fall within the ISO 9241 set of the HP monitor. Table 2. no full pixel or sub-pixel defects.  Class 1 panels permit any or all of the following ...

Understanding pixel defects in TFT flat panel monitors

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... Computer Products that they meets all of the required criteria and at least 21 of the optional criteria.  Low emissions: HP monitor products meet a number of product design, including the following features:  EPEAT™: The Electronic Product Environmental Assessment Tool (EPEAT...quickly resolves most issues on a reputation for industry-standard best-of-breed products-and our line of LCD monitors is a set by TCO 9 The HP advantage The HP pixel defect specifications are designated EPEAT Silver, indicating that identifies 23 required and 28 optional criteria. ...

Understanding pixel defects in TFT flat panel monitors

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...24 hours a day on investment and reduce the loss of productivity. Development, the world's leading organization for discarded components.  Packaging: Packaging consists of recyclable materials, no heavy metal inks, and minimal packaging material.  Disassembly: Products are also available. HP service and support HP LCD monitors... are protected under the industry-leading HP support umbrella, which includes 65,000 sales and service professionals in one...

HP LP2275w and LP2475w LCD Monitors User Guide

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HP LP2275w and LP2475w LCD Monitors User Guide

HP LP2275w and LP2475w LCD Monitors User Guide

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NOTE: Text set off in this manner indicates that failure to follow directions could result in this manner indicates that failure to equipment or loss of life. WARNING! CAUTION: Text set off in this manner provides important supplemental 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. Text set off in damage to follow directions could result in bodily harm or loss of information. iii

HP LP2275w and LP2475w LCD Monitors User Guide

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... the Monitor Software and Utilities ...20 The Information File ...20 The Image Color Matching File 20 Installing the .INF and .ICM Files ...21 Installing from the CD ...21 Downloading from the Worldwide Web 21 Using the Auto-Adjustment Function 22 Front Panel Controls ...23 HP LP2275w Model ...23 HP LP2475w Model ...24 Adjusting the Monitor Settings...

HP LP2275w and LP2475w LCD Monitors User Guide

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... 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 Notice... Disposal ...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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... ● USB 2.0 hub with 1680 × 1050 resolution, plus full- 1 Product Features HP LP2275w Model The LCD (liquid crystal display) monitor has an active matrix, thin-film transistor (TFT). The monitor features include: ● Large 55.88 cm (22-inch) diagonal viewable area display with one... adjustments in several languages for ease of setup and screen optimization ● Software and documentation CD that includes HP Display Assistant, Pivot Pro software, monitor driver software, and product documentation ● Energy saver feature to meet requirements for reduced power consumption...

HP LP2275w and LP2475w LCD Monitors User Guide

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... 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 (TFT). Video signal inputs ●... time ● Pivot capability to rotate display to block side screen viewing ● Security slot provision on monitor to accept optional mounted devices, such as an HP speaker bar ● Plug and play capability if supported by the system ● Privacy filter slots to ...

HP LP2275w and LP2475w LCD Monitors User Guide

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● Software and documentation CD that includes HP Display Assistant, Pivot Pro software, monitor driver software, and product documentation ● Energy saver feature to meet requirements for reduced power consumption ● AssetControl ● Compliant with the following regulated specifications: ◦ European Union CE Directives ◦ Swedish MPR II 1990 ◦ Swedish TCO Requirements ◦ Energy Star HP LP2475w Model 3

HP LP2275w and LP2475w LCD Monitors User Guide

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... the power cord in Appendix C. When unplugging from the electrical outlet. This guide is included with the monitor. For your HP LCD monitor. Not all cords and cables connected to the LCD monitor so that are inappropriately situated on dressers, bookcases, shelves, desks, speakers, chests, or carts may accidentally... step on or trip over them so that is easily accessible at http://www.hp.com/ergo and/or on the...

HP LP2275w and LP2475w LCD Monitors User Guide

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... benzene, thinner, ammonia, or any kind into cabinet slots or other volatile substances to clean the monitor or the screen. If the monitor is not operating properly or has been dropped or damaged, contact an authorized HP dealer, reseller, or service provider. ● Use only a power source and connection appropriate for this product...

HP LP2275w and LP2475w LCD Monitors User Guide

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... Monitor 3 Setting Up the Monitor To set up the monitor, ensure that the power is turned off to the monitor, computer system, and other mounting fixture; NOTE: Be sure the master power switch, located on page 17 in place. instead see the section on Mounting the Monitor on the rear panel of the LCD ...panel. Pressure on the monitor to lock the pedestal base in this occurs the screen will make a clicking sound. When the base locks, it will...

HP LP2275w and LP2475w LCD Monitors User Guide

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... 3-2 Rear Components Table 3-1 HP LP2275w Rear Components Component Function 1 Cable Lock Provision Provides slot for use with cable security locks. 2 Master Power Switch Turns off all power to the monitor. 3 AC Power Connector Connects the AC power cord to the monitor. 4 DisplayPort Connector Connects the DisplayPort signal cable to the monitor. 5 DVI-I Connector Connects...

HP LP2275w and LP2475w LCD Monitors User Guide

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HP LP2475w Model Figure 3-3 Rear Components Table 3-2 HP LP2475w Rear Components Component Function 1 Cable Lock Provision Provides slot for other video inputs. 8 S-Video Connector Connects an S-Video signal cable to the monitor. 9 Composite Connector Connects a Composite signal cable to the monitor. 10 Component Connectors Connects Component signal cables to the monitor. 11 USB Upstream Connector Connects the monitor...Connects optional USB devices to the monitor. 13 USB Downstream Connectors (side panel) Connects optional USB devices to the monitor. It does not provide audio...

HP LP2275w and LP2475w LCD Monitors User Guide

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...table indicates which inputs have valid video signals. Table 3-3 Signal Connectors and Cables Input Monitor Connector and Cable Connection Description Plug DVI-I (HP LP2275w) (HP LP2475w) DisplayPort (HP LP2275w) (HP LP2475w) The video mode supported by the DVI-I connector on the computer. Cable purchased separately....to a DVI-I connector is supported on each monitor model. NOTE: For audio output from the connector. SPDIF (HP LP2475w) Connect an SPDIF audio cable to the monitor and to the VGA connector on the monitor and the other video inputs. Selecting and ...

HP LP2475w Monitor - 24 LCD