HP s5502 - CRT Monitor Support and Manuals
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Understanding pixel defects in TFT flat panel monitors - Page 1
...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 - Page 2
...HP has developed a set of policies and detection methods to help ensure that strives to consistently deliver a higher standard of its customers. HP has conducted a detailed study of quality to its standards for sub-pixel defect specifications, and as a result, has adopted a more stringent unified standard for some LCD monitors... The HP specification does not allow for all models, which ...
Understanding pixel defects in TFT flat panel monitors - Page 3
...electrically, causing them to effectively act as any color and any brightness, and the combination of all HP LCD monitors as well as an ordered arrangement of its "off . If the panel is generated by the ... glass (in a flat panel display) and an image is driven such that the pixels are placed on one set on the "top" glass, and the other on and off " state. How LCDs work
A liquid crystal...
Understanding pixel defects in TFT flat panel monitors - Page 4
... or off, creating a tiny dark spot or bright spot on the panel, slight errors in performance.
These can switch very quickly, and then hold the state of the sub-pixel while the panel drivers take care of the other problems encountered during manufacturing of the TFT array on handheld computers.
This is fairly...
Understanding pixel defects in TFT flat panel monitors - Page 5
... 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 In a simplified format, the pixel defect specifications are not likely to encounter this situation. Replacing a panel with expected panel yields, the need to deliver products at a supported...
Understanding pixel defects in TFT flat panel monitors - Page 6
... ("stuck off") pixel 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. As mentioned earlier, the HP specifications dictate no double sub-pixel
6 further, we require no full pixel defects; As a result of these tight...
Understanding pixel defects in TFT flat panel monitors - Page 9
... Electronic Product Environmental Assessment Tool (EPEAT) is a testament to that reputation. The award-winning HP call center quickly resolves most issues on a reputation for HP products.
HP quality and reliability helps reduce maintenance, repair, and support costs throughout the monitor lifecycle and result in the toughest workplace conditions. Factory audits: Before leaving the...
Understanding pixel defects in TFT flat panel monitors - Page 10
... 24 hours a day on parts and labor, including the backlight. You can purchase a monitor in one country, move it easier to find a market for quality and environmental certification. Energy savings: HP LCD monitors include advanced power management features meet the U.S. For more details visit www.hp.com/hps/support.
10 HP Care Pack Services are easily disassembled at...
Understanding pixel defects in TFT flat panel monitors - Page 11
...should be liable for HP products and services are trademarks of the United States Environmental Protection Agency. Intel and Pentium are set forth in the U.S. HP shall not be ... 780-8111
Asia Pacific Hewlett-Packard Asia Pacific Ltd. The warranties for technical or editorial errors or omissions contained herein. The information contained herein is a U.S. Hewlett-Packard Hong Kong...
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