Screen Blemish Examples
Definition: A screen blemish is any sort of abrasion left on a screen such as scratches, dents, chipped spots, and pressure points. It is any sort of imperfection that is physically on the screen that does not affect functionality.
TrackPoint Abrasion
(Left: trackpoint abrasion; Right: trackpoint)
This particular screen blemish is what we call a TrackPoint abrasion. This is caused by the laptop screen not being properly spaced between the trackpoint (the mouse cursor located in the center of most IBM keyboards and some other manufacturers as well). When the laptop is closed, there may not be enough space between the trackpoint and the screen causing pressure and friction creating this blemish.
Stylus Abrasion
These two pictures represent two different severities of stylus abrasions. A stylus abrasion is caused by excess force used on the screen by the stylus.
Keycap Abrasion
A keycap abrasion is much like the trackpoint abrasion - caused by not enough spacing between the keyboard and screen when the laptop is closed. The edges of the keys can cause friction on the screen if there is not enough spacing between the screen and keyboard when the laptop is closed.
How do the above abrasions affect you?
The above picture is a screen that has all of the above three abrasions. As shown, they are hardly visible when the computer is on; however, if the screen is off, the abrasions do become quite apparent. During use, the abrasions are very unnoticable unless you pay very strict attention and observe from different angles.
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