Lamp and lighting fixture comprising the lamp

A lamp, comprising:

• an optical cover;
• a cap for connecting to electrical power;
• a housing comprising an upper end connected to the optical cover hermetically, a lower end connected to the cap, and at least one vent opening located at a lower portion of the housing;
• an air flow path inside the housing for communicating an inner surface of the optical cover and the at least one vent opening;
• a light source module inside the housing;
• and
• a driving module electrically connected to the light source module inside the housing;
• the lamp further comprising:
• a partition plate inside the housing for receiving the light source module that is fixed on a face of the partition plate towards the optical cover, and
• wherein inside the housing, a first space is formed between the optical cover and the partition plate for receiving the light source module, and a second space is formed between the partition plate and the cap for receiving the driving module, the partition plate comprising at least one through hole with wire passing through and for allowing air flow between the first space and the second space thereby forming the air flow path, wherein the second space is separated by a separation wall into a driving chamber for receiving the driving module and a channel for connecting the at least one through hole and the at least one vent opening.