SEMICONDUCTOR DEVICE HAVING GUARD RING STRUCTURE, DISPLAY DRIVER CIRCUIT, AND DISPLAY APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a semiconductor device having a guard ring structure, a display driver circuit, and a display apparatus.

SOLUTION: The semiconductor device includes: a semiconductor substrate of a first conductivity type, at least two first well regions which have a second conductivity type and are formed to have a predetermined depth in the semiconductor substrate; at least one second well region which has the first conductivity type and is formed to have a predetermined depth in each of the first well regions of the second conductivity type; and a guard-ring region of the second conductivity type which is formed to have a predetermined depth, to be positioned between the first well regions, and to be separated by a predetermined distance from the first well regions. The guard-ring region is connected to a system ground voltage.

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