상기 뱅크(220)가 오픈된 영역은 발광부로 정의되며, 뱅크(220)가 위치하는 영역은 비발광부가 된다.
An area in which the bank 220 is open is defined as a light emitting part, and an area in which the bank 220 is located is a non-light emitting part.