Lead frame including lead having slots formed therein

According to one aspect of the present disclosure, there is provided a lead frame including: a plurality of leads in which lead grooves are formed; and a dam bar disposed between the leads to connect the leads, in which a thickness of the dam bar disposed between the leads has at least two thickness values, and a dam bar groove is formed between a thickest portion of the dam bar and the lead adjacent to the thickest portion of the dam bar. 根据本公开的一个方面，提供一种引线框架，所述引线框架包括：多条引线，在所述多条引线中形成有引线槽；以及坝条，布置在引线之间以对引线进行连接，其中布置在引线之间的坝条的厚度具有至少两个厚度值，且在坝条的最厚部分与和坝条的最厚部分邻近的引线之间形成有坝条槽。