JP2015529381A5 - - Google Patents

Claims (10)

A housing, and a plurality of light sources arranged in the housing, the light source emitting light in a first wavelength range;
A wavelength conversion member is disposed spaced apart from the light source, having the first of the first wavelength conversion materials provided are to to convert light in the wavelength range to light of a second wavelength range A wavelength conversion member ;
A electrically optical member can be switched to be disposed between the wavelength converting member and the light source, the switching can be switched to adjust the light pattern created on the wavelength converting member on the light source Possible optical members;
I have a,
The light source is arranged to generate a plurality of light spots on the wavelength conversion member,
The light pattern includes the light spot, and the adjustment includes adjustment of an area of the light spot .   The switchable optical member comprises a plurality of individual switchable optical elements, each of the switchable optical elements being disposed between a corresponding light source and the wavelength converting member. The lighting device according to 1.   The lighting device according to claim 1, wherein the switchable optical member is arranged to adjust a light pattern by one of scattering, refraction, reflection, and diffraction.   4. The illumination device according to claim 1, wherein the switchable optical member is an electro-optical member that can be controlled between different beam forming states. 5. Each light source generates at least one spot, and the switchable optical member has a second switchable optical element that is switchable to adjust the number of spots generated by each light source. Item 5. The lighting device according to any one of Items 1 to 4 . Each light source is arranged to generate at least a central spot appearing as a first color and a surrounding area appearing as a second color after the light of the wavelength converting member passes, and is switchable. the optical member has a third switchable optical element is switchable so as to adjust the color of the surrounding area, the lighting device according to any one of claims 1 to 5. The illumination device according to any one of claims 1 to 6 , further comprising a diffuser disposed downstream of the wavelength conversion member, wherein the diffuser is white on all light output surfaces of the illumination device. A lighting device arranged to provide an appearance. Each light source has a collimator for collimating the light output of the light source, the lighting device according to any one of claims 1 to 7. The lighting device according to any one of claims 1 to 8 , wherein the wavelength conversion member includes a second wavelength conversion material that converts light in the first wavelength range into light in a third wavelength range. A lighting fixture comprising the lighting device according to any one of claims 1 to 9 .