Display Image Quality, Colors and Artifacts: Lots of Shortcomings
The high resolution, high pixel density OLED display on the Nexus One is beautiful, even stunning on first view, but it has lots of color and gray scale accuracy errors and lots of display artifacts (which is anything that appears in any on-screen image that should not be there) and results from hardware, firmware or software processing errors. Some of these issues are unimportant for many phone functions. In particular, text, icons and menu graphics generated by the Android OS are all outstanding, very sharp, with excellent PenTile sub-pixel rendering. On the other hand, the accuracy of photographic images is severely impacted because of the poor factory display color calibration and the 16-bit interface in some of the main Android applications. The Gallery application also uses a laughably primitive scaling algorithm that is used to import images so they fit on the native 800x480 resolution of the display. It produces lots of dropped pixel content, color fringing, and moirés. See the NASA Photo in Figure 1 for an example. Note that this screen shot does not fully capture all of the incredible screen noise and artifacts. Google acknowledges these problems for all 2.1 Android phones including the Nexus One and Motorola Droid. The next major release of the Android OS will fix these issues and provide full 24-bit color and improved scaling.