Light emitting device

A light emitting device comprising:

• a package comprising:
• a resin molded body made of a resin and comprising:
• a front surface having an opening;
• a bottom surface opposite to the opening in a front-rear direction of the light emitting device;
• a first wall portion extending from the bottom surface to the front surface;
• and
• a second wall portion extending from the bottom surface to the front surface to be opposite to the first wall portion to provide the opening;
• a first lead comprising:
• a first bottom portion provided on the bottom surface of the resin molded body;
• a first side portion provided in the first wall portion to extend from the first bottom portion toward the front surface, the first side portion comprising:
• a first projecting portion;
• and
• a second side portion provided in the second wall portion to extend from the first bottom portion toward the front surface;
• and
• a second lead comprising:
• a second bottom portion provided on the bottom surface apart from the first lead to provide a first resin region between the first bottom portion and the second bottom portion, the first resin region being made of the resin;
• a third side portion provided in the first wall portion apart from the first lead to extend from the second bottom portion toward the front surface, the first projecting portion projecting toward the third side portion to provide a second resin region made of the resin between the first projecting portion and the third side portion;
• and
• a fourth side portion provided in the second wall portion apart from the first lead to extend from the second bottom portion toward the front surface, the fourth side portion comprising:
• a second projecting portion projecting toward the second side portion to provide a third resin region made of the resin between the second projecting portion and the second side portion, the first resin region being provided between the second resin region and the third resin region viewed in the front-rear direction;
• and
• a light emitting element mounted in the opening.