colors increased by the number of combinations of each of the eight colors with itself giving 36 in the present case among these 36 temporal compositions 9 should preferably be excluded because of a lack of efficiency as regards ocular response these 27 compositions of different colors are listed in table 2 below which be considered as being neither unique nor restrictive table 2______________________________________color no code rgb name______________________________________ 0 000 black 1 001 blue dark 2 002 blue light 3 010 green dark 4 011 cyan light 5 012 cyan blue 6 020 green light 7 021 cyan green 8 022 cyan light 9 100 red dark 10 101 violet dark 11 102 purple12 110 yellow dark 13 111 grey14 112 pale blue15 120 yellow green16 121 pale green17 122 pale cyan18 200 red light 19 201 violet red20 202 violet light 21 210 orange22 211 pink23 212 pale violet24 220 yellow light 25 221 pale yellow26 222 whitep______________________________________ the embodiment of fig3 corresponds to a liquid crystal display unit 10 in which the color pixels are distributed diagonally it has an even number c of columns and an even number l of rows these addressing internal peripheral circuits consist of a circuit 13a to address the odd order columns and a circuit 13b to address the even order columns for row.