JP2010015798A5 - - Google Patents

Claims (7)

A plurality of solid state light emitting elements as light sources, a lighting unit for lighting the solid state light emitting elements, and an E-shaped base electrically connected to the lighting unit,
The plurality of solid-state light emitting elements and lighting units are housed in a case in which the appearance is cylindrical and the E-shaped base protrudes from the center of one end surface.
The case is provided at a position facing the E-shaped base and accommodates the lighting unit, the circuit accommodating chamber surrounded by a partition wall partitioning the internal space of the case, and the circuit accommodating chamber with respect to the circuit accommodating chamber. A lamp comprising: a light source housing chamber provided so as to surround the circuit housing chamber in a direction orthogonal to the screwing axis direction and housing the plurality of solid state light emitting elements .   The case includes a case body on which the plurality of solid state light emitting elements and a lighting unit are mounted;
A cover material attached to the case body so as to cover the plurality of solid state light emitting elements and the lighting unit, and having a light extraction region made of a translucent material at least in part,
  The case body has a disc shape, and includes a base mounting portion for mounting the E-shaped base, and a mounting portion on the opposite side of the base mounting portion on which the plurality of solid state light emitting elements are mounted. The lamp according to claim 1, wherein the lamp is provided.   In the screwing axial direction, the edge of each solid state light emitting element on the opposite side to the E-shaped base is closer to the E-shaped base than the edge of the lighting unit opposite to the E-shaped base. The lamp according to claim 1, wherein the lamp is located. The lamp according to claim 2, wherein a light diffusion layer is provided on an inner surface of the light extraction region of the cover material. 2. The lamp according to claim 1, wherein each of the solid state light emitting devices is arranged such that a main light emitting direction is a direction orthogonal to a screwing axis direction of the E-shaped base. The cover material has the light extraction region on a direction orthogonal to the screwing axial direction of the E-shaped base, and has a light-shielding region made of a non-translucent material on the opposite side to the E-shaped base. 6. A lamp as claimed in claim 5, characterized in that It said E-shaped cap side of the case is one of claims 1 to 6, characterized in that the cylindrical spacer to mask surrounding the socket where the E-type cap and the E-shaped cap is screwed is provided Lamp according to crab.