Lid and foreign body-trapping method

Abstract

Provided are: a lid capable of capturing a foreign substance from a liquid crystal material in advance before the liquid crystal material is used; and a method of capturing a foreign substance. In a lid () including a bottom part () closing an opening on one end of a circumferential part () having a tubular shape is provided and a circumferential part () placed over a tubular part having an opening of a container provided at the container, the bottom part () covering the tubular part, the lid further includes a partition board () provided at an inner surface of the circumferential part in a slanted direction against the bottom part () and dividing the inside of the circumferential part () into a first space proximal to the bottom part () and a second space apart from the bottom part (), and a connection part () which connects the first space with the second space being provided at a portion of the partition board () closest to the bottom part ().