Lighting fixture and ceiling system using the same

A ceiling system to which plural lighting fixtures and at least one of an air-conditioning unit, an air filter unit and a screen panel are attached;

• each of the lighting fixtures comprise a ceiling frame equipped with an attachment portion, a hollow portion and a storage recess, wherein
• the attachment portion is located at an upper end portion of the frame to be suspended from a ceiling of a building, the hollow portion is located below the attachment portion, and the storage recess is located below the hollow portion;
• and
• the storage recess has an opening which faces downward,
• a lighting module is set in the storage recess, and
• the lighting module includes plural light emitting diodes, a reflector which reflects light emitted from the diodes and a lighting housing to which the light emitting diodes and the reflector are installed;
• and
• an edge portion of at least one of the air-conditioning unit, the air filter unit and the screen panel is mounted on the top surface of the storage recess of the ceiling system of the lighting fixtures.