摘要：
The invention provides a light generating system (1000) comprising: - a plurality of light sources (10) configured to provide light source light (11); - an elongated luminescent body (100) comprising one or more side faces (140), the elongated luminescent body (100) comprising a radiation input face (111) and a radiation exit window (112), wherein the radiation input face (111) is configured in a light receiving relationship with the plurality of light sources (10), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8); - a body holder structure (2000), wherein the body holder structure (2000) comprises an elongated slit (205) for hosting the elongated luminescent body (100); - one or more spring elements (300) configured to keep the elongated body (100) pushed into the elongated slit (205).
权利要求：
CLAIMS:
1. A light generating system (1000) comprising:
a plurality of light sources (10) configured to provide light source light (11); an elongated luminescent body (100) comprising one or more side faces (140), the elongated luminescent body (100) comprising a radiation input face (111) and a radiation exit window (112), wherein the radiation input face (111) is configured in a light receiving relationship with the plurality of light sources (10), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8);
a body holder structure (2000), wherein the body holder structure (2000) comprises an elongated slit (205) for hosting the elongated luminescent body (100);
one or more spring elements (300) configured to keep the elongated body (100) pushed into the elongated slit (205), wherein
the body holder structure (2000) comprising one or more heat transfer elements (200) for guiding away heat from the elongated luminescent body (100), and comprising one or more second heat transfer elements (1200) for guiding away heat from the plurality of light sources (10);
the one or more heat transfer elements (200) and the one or more second heat transfer elements (1200) not being thermally coupled. 2. The light generating system (1000) according to claim 1, wherein the elongated luminescent body (100) comprises a first face (141) and a second face (142) defining a length (L) of the elongated luminescent body (100), wherein the second face (142) comprises the radiation exit window (112), wherein the elongated luminescent body (100) comprises a plurality of N side faces (140), and wherein the elongated slit (205) comprises N- 1 slit side faces (2140), wherein one or more of the side faces (140) are in thermal contact with one or more of the slit side faces (2140).
3. The light generating system (1000) according to claim 2, wherein a side face (140) in thermal contact with a slit side face (2140) is configured at a first average distance (dl 1) of at least 1 pm from the slid side face (2140), and at maximum 100 mhi.
4. The light generating system (1000) according to any one of the preceding claims 2-3, wherein the one or more of the slit side faces (2140) being in thermal contact with one or more of the side faces (140) comprise one or more reflectors (2100) being reflective for at least part of the light source light (11), and wherein at least a slit side face (2140) configured opposite of the light sources (10), with the elongated luminescent body (100) configured between that slit side face (2140) and the light sources (10), comprises a reflector (2100).
5. The light generating system (1000) according to any one of the preceding claims 2-4, wherein the elongated luminescent body (100) comprises a first side face (143) and a second side face (144) defining a height (H), wherein the one or more spring elements (300) are in physical contact with part of the first side face (143), wherein the first side face (143) comprises the radiation input face (111), and wherein the second side face (144) is in thermal contact with one of the slit side faces (2140), wherein the first side face (143) has first area (A2), wherein the one or more spring elements (300) are in physical contact with a contact area (Ac) of the first side face (143), wherein the contact area (Ac) is at maximum 20% of the first area (A2), and wherein the one or more spring elements (300) are configured in contact with the first side face (143) at 1-4 positions distributed over the length (L) of the elongated luminescent body (100).
6. The light generating system (1000) according to any one of the preceding claims, wherein the body holder structure (2000) comprises a first body holder element (2000a) and a second body holder element (2000b), wherein the elongated luminescent body (100) is configured between the first body holder element (2000a) and the second body holder element (2000b), wherein the body holder structure (2000) comprises a third body holder element (2000c), wherein the first body holder element (2000a), the second body holder element (2000b), and the third body holder element (2000c) define the elongated slit (205), and wherein the third body holder element (2000c) comprises a reflector (2100).
7. The light generating system (1000) according to any one of the preceding claims, wherein the body holder structure (2000) comprises a first body holder element (2000a) comprising an elongated cavity (2005), a second body holder element (2000b), and a third body holder element (2000c), wherein the second body holder element (2000b) and the third body holder element (2000c) are configured within the elongated cavity (2005), wherein the first body holder element (2000a), the second body holder element (2000b), and the third body holder element (2000c) define the elongated slit (205), and wherein the third body holder element (2000c) comprises a reflector (2100).
8. The light generating system (1000) according to any one of the preceding claims, wherein the body holder structure (2000) comprises a first body holder element (2000a) and a second body holder element (2000b), the first body holder element (2000a) and the second body holder element (2000b) define the elongated slit (205), wherein the first body holder element (2000a) and the second body holder element (2000b) are associated to each other via a flexural hinge (2030) allowing the first body holder element (2000a) and the second body holder element (2000b) to be moved relative to one other when applying a force thereby increasing a dimension of the elongated slit (205) and which, when not applying the force, are configured to pinch the elongated luminescent body (100), wherein the first body holder element (2000a) and the second body holder element (2000b) are further configured to provide the elongated slit (205) with slit side faces (2140) which over at least part of a length of the elongated slit (205) do not touch each other, such that one or more edges defined by the side faces (140) of the elongated luminescent body (100) over at least part of their length are not in physical contact with the body holder structure (2000).
9. The light generating system (1000) according to any one of the preceding claims, wherein the one or more spring elements (300) comprises a single wire spring.
10. The light generating system (1000) according to claims 5 - 9, wherein the contact area (Ac) is in the range of 0.1 - 4 % of the first area (A2).
11. The light generating system (1000) according to any one of the preceding claims, wherein the luminescent material has an excitation maximum lcih, wherein the light sources are configured to provide the light source light with an intensity maximum lrc, wherein lcih-10 nm< lrc< lcih+10 nm.
12. The light generating system (1000) according to any one of the preceding claims, comprising an optics interface plate (2400) configured to host at least part of a collimator (24) optically coupled to or integrated with the elongated luminescent body (100), wherein the light generating system (1000) further comprises one or more first fixation elements (2410), each of the one or more first fixation elements (2410) enclosing part of the collimator (24), and wherein the one or more first fixation elements (2410) are physically or chemically attached to the optics interface plate (2400). 13. The light generating system (1000) according to any one of the preceding claims, comprising an optics interface plate (2400) configured to host at least part of a collimator (24) optically coupled to or integrated with the elongated luminescent body (100), wherein the light generating system (1000) further comprises one or more second fixation elements (2410), wherein the second fixation elements (2410) are configured to block part of the collimator (24) and to prevent movement of the collimator (2410) in a direction perpendicular to the optics interface plate (2400) beyond the one or more second fixation elements (2410).
14. The light generating system (1000) according to any one of the preceding claims, wherein the light sources (10) of the plurality of light sources are configured at a second shortest distance (d2l) of at least 10 pm from the radiation input face (111).
15. A projection system or a luminaire comprising the system (1000) according to any one of the preceding claims.