Patent ID: 7677750

Claim:
A backlight assembly comprising: a circuit board; and a plurality of point light source groups arranged on the circuit board in a matrix shape having a plurality of rows and a plurality of columns, each of the point light source groups having red, green, blue and white point light sources arranged in a substantially squared form, wherein a first point light source group is adjacently disposed at a left side of a second point light source group, and a third point light source group is adjacently disposed at a right side of the second point light source group, wherein the first point light source group, the second point light source group and the third point light source group are arranged in the same row, wherein positions of the red, green, blue and white point light sources of the second point light source group are rotated by an angle of about 90 degrees in a clockwise direction with respect to positions of the red, green, blue and white point light sources of the first point light source group, and positions of the red, green, blue and white point light sources of the third point light source group are rotated by an angle of about 90 degrees in a clockwise direction with respect to the positions of the red, green, blue and white point light sources of the second point light source group.