| 摘要 |
The invention provides a lighting unit (1) comprising (a) a light source (10) configured to provide a beam of light (11), the light source (10) having a light exit surface (12) for escape of the light from the light source (10), (b) a lamp shade (20) partly surrounding the light source (10), wherein the lamp shade (20) has an internal lamp shade surface (21) and a lamp shade light exit (22), and (c) a light conversion element (30), configured partly between the light exit surface (12) of the light source (10) and the lamp shade light exit (22) of the lamp shade (20), wherein the light conversion element (30) comprises a light transmissive part (31), wherein the light transmissive part (31) comprises a luminescent material configured (40) to convert at least part of the beam of light into luminescent material light. |
| 主权项 |
1. A lighting unit comprising:
a light source configured to provide a beam of light, the light source having a light exit surface for escape of the light from the light source, a lamp shade partly surrounding the light source, wherein the lamp shade has an internal lamp shade surface and a lamp shade light exit, wherein the lamp shade light exit is the opening through which the light escapes from the lamp shade, a light conversion element, that has a hollow shape having a bad axis, wherein the beam of light has an optical axis, wherein the body axis and optical axis coincide, the light conversion element being configured partly between the light exit surface of the light source and the lamp shade light exit of the lamp shade, thereby receiving part of the beam of light during operation of the lighting unit, wherein the light conversion element comprises a light transmissive part, wherein the light transmissive part comprises a luminescent material configured to convert at least part of the beam of light into luminescent material light for creating a colored appearance within the lamp shade. |
