Illumination arrangement, profiled bodies of a light permeable material being formed in a base body, which profiled bodies are spaced apart from one another by means of recesses. A method includes obtaining test cases for analyzing usability of a graphical user interface of a given software application. The super-resolution film and the reflective film are provided in this order from a light incident side. Plant is upright with medium to good vigour and medium yield. The plasma display apparatus comprises a plasma display panel comprising a plurality of first address electrodes and a plurality of second address electrodes, and a data driver for supplying a voltage of a substantially equal magnitude to a last first address electrode of at least one side of the plurality of first address electrodes and at least one second address electrode.