A light emitting device, comprising at least: a light emitting element; a wavelength conversion member for converting the wavelength of light from the light emitting element; a bendable light guide member for guiding light from the light emitting element to the wavelength conversion member; and a heat conduction member that is thermally connected to the wavelength conversion member; wherein: the heat conduction member is disposed between the light guide member and the wavelength conversion member and the heat conduction member comprises at least one material selected from the group consisting of AlN, diamond, indium tin oxide, In 2 O 3, ZnO, SnO 2 and MgO; the wavelength conversion member comprises at least one fluorescent material for absorbing part of the light from the light emitting element and converting the wavelength of the absorbed light to a different wavelength band, whereby the light emitted by the wavelength conversion member and output from the light emitting device comprises light at the wavelength emitted from the light emitting element mixed with the light converted to the different wavelength band; and the heat conduction member is in the form of a convex lens or a concave lens. a light emitting element; a wavelength conversion member for converting the wavelength of light from the light emitting element; a bendable light guide member for guiding light from the light emitting element to the wavelength conversion member; and a heat conduction member that is thermally connected to the wavelength conversion member; wherein: the heat conduction member is disposed between the light guide member and the wavelength conversion member and the heat conduction member comprises at least one material selected from the group consisting of AlN, diamond, indium tin oxide, In 2 O 3, ZnO, SnO 2 and MgO; the wavelength conversion member comprises at least one fluorescent material for absorbing part of the light from the light emitting element and converting the wavelength of the absorbed light to a different wavelength band, whereby the light emitted by the wavelength conversion member and output from the light emitting device comprises light at the wavelength emitted from the light emitting element mixed with the light converted to the different wavelength band; and the heat conduction member is in the form of a convex lens or a concave lens. the heat conduction member is disposed between the light guide member and the wavelength conversion member and the heat conduction member comprises at least one material selected from the group consisting of AlN, diamond, indium tin oxide, In 2 O 3, ZnO, SnO 2 and MgO; the wavelength conversion member comprises at least one fluorescent material for absorbing part of the light from the light emitting element and converting the wavelength of the absorbed light to a different wavelength band, whereby the light emitted by the wavelength conversion member and output from the light emitting device comprises light at the wavelength emitted from the light emitting element mixed with the light converted to the different wavelength band; and the heat conduction member is in the form of a convex lens or a concave lens.