Abstract: A driver applied to a display apparatus is disclosed. The driver includes 2(N+1) source channels, M display lines, and an output polarity control module. N and M are positive integers. Polarity outputs of the M display lines are independently controlled and have no dependencies between each other. The output polarity control module provides (N+1) polarity inversion control signals. A K-th polarity inversion control signal of the (N+1) polarity inversion control signals controls polarities outputted by the (2K?1)-th source channel and the 2K-th source channel of the 2(N+1) source channels. K is a positive integer and 1?K?(N+1).

Abstract: A driver applied to a display apparatus is disclosed. The driver includes 2(N+1) source channels, M display lines, and an output polarity control module. N and M are positive integers. Polarity outputs of the M display lines are independently controlled and have no dependencies between each other. The output polarity control module provides (N+1) polarity inversion control signals. A K-th polarity inversion control signal of the (N+1) polarity inversion control signals controls polarities outputted by the (2K?1)-th source channel and the 2K-th source channel of the 2(N+1) source channels. K is a positive integer and 1?K?(N+1).

Abstract: A heat insulation pedestal and a vertical type furnace tube is provided. The heat insulation pedestal is used for supporting the furnace tube. The heat insulation pedestal comprises a top support, a plurality of heat insulation plates and a number of connection sections. The top support has an annular base and a reinforced structure. The reinforced structure and the annular base are connected to provide the top support with a structural strength greater than the annular base. The heat insulation plates are set up below the top support. The connection sections connect the heat insulation plates and connect the top support to one of the heat insulation plates. Because the top support has a structural strength greater than the annular base, the pedestal is prevented from undesirable deformation due to heat.