Abstract: Disclosed in embodiments of the present disclosure are a driver chip and a display device. The driver chip includes two opposite long edges, and two opposite short edges connected to the long edges; the driver chip includes multiple output pins and multiple input pins; the output pins are close to one of the long edges; the input pins include first input pins, second input pins, and third input pins; the first input pins are close to the long edge opposite to the output pins; the second input pins are close to the short edges; the third input pins are close to the long edge and located on both sides of the output pins.

Abstract: The present invention discloses a lock for an ultralow temperature refrigerator, belonging to the field of a refrigeration device. The lock for an ultralow temperature refrigerator according to the present invention is manipulated easily and conveniently. It comprises a lock body with a handle and a lock head, wherein the lock body has, on one side, a shaft hole which along with a rotating shaft of a lock seat attached to the refrigerator door forms a rotating mechanism; the lock body has on the other side a lock opening having the surface of a hump and being engaged with a lock tab of the lock head to form a locking-in mechanism; and an empty cavity containing a lock core is provided above the shaft hole of the lock body with respect to the diagonal direction and accommodates therein a lock-body locking and limiting mechanism formed by a lock stop flake fixed on the lock seat and the empty cavity containing the lock core.