Traffic signal lamp with variable block combination display patterns

The invention relates to a traffic signal lamp with variable block combination display patterns. 16 specific display image blocks which are not overlapped with one another are designed on a circular lamp panel of the signal lamp; each display image block corresponds to one driving circuit; the blocks are lightened when powered up and are extinguished when not powered up, the on-off of each block can be independently controlled, the display blocks can be controlled to be lightened or extinguished according to needs to be displayed in a combined mode to form one of a left-turn arrow pattern, a straight arrow pattern, a right-turn arrow pattern, a turning arrow pattern and a circular pattern, which are shown in the attached drawings of the specification, and the sizes and proportions of all the attached drawings are the same. 发明是图块组合显示图案可变的交通信号灯，信号灯的圆形灯盘上设计有16个互相不重叠的特定显示图块，每种显示图块对应有一个驱动电路，图块加电则点亮，不加电则熄灭，每种图块的亮灭可独立控制，可依据需要控制这些显示图块亮或灭以组合显示为左转箭头图案、直行箭头图案、右转箭头图案、调头箭头图案、圆形图案之一，见说明书附图，所有附图的尺寸大小和比例相同。