IPC分类号：
F21V8/00 | F21K9/61 | F21K9/62 | H04N9/31 | G03B21/20
国民经济行业分类号：
C4350 | C3874 | C4090 | C3879
当前申请(专利权)人：
SIGNIFY HOLDING B.V.
原始申请(专利权)人：
SIGNIFY HOLDING B.V.
当前申请(专利权)人地址：
High Tech Campus 48,5656 AE Eindhoven NL
发明人：
KADIJK, SIMON, EME | HAENEN, LUDOVICUS, JOHANNES, LAMBERTUS | VERMEULEN, DIEGO | DENISSEN, CORNELIS, JOHANNES, MARIA | BRAUN DE BORTOLI, VINICIUS | SHI, RIFF, JF | JANSEN, JOHANNES, MARTINUS | KOOLE, ROELOF
代理人：
MALLENS, ERIK, PETRUS, JOHANNES ET AL.
摘要：
The invention provides an arrangement (500) of an elongated light transmissive body (100) and a beam shaping optical element (224), wherein: - the elongated light transmissive body (100) has a side face (140) and a radiation exit window (112), wherein the elongated light transmissive body (100) comprises a luminescent material (120) configured to convert at least part of light source light (11) into luminescent material light (8); - the beam shaping optical element (224) comprises a beam shaping light transmissive body (210) having a radiation entrance window (211) optically coupled with the first radiation exit window (112) and part of the side face (140) for receipt of at least part of the luminescent material light (8).
权利要求：
CLAIMS:
1. A light generating device (1) comprising a light source (10) configured to generate light source light (11) and an arrangement (500) of an elongated light transmissive body (100) and a beam shaping optical element (224), wherein:
the elongated light transmissive body (100) having a first face (141) and a second face (142) defining a length (L) of the light transmissive body (100), a side face (140) and a first radiation exit window (112), wherein the second face (142) comprises the first radiation exit window (112) and wherein the elongated light transmissive body (100) comprises a luminescent material (120) configured to convert at least part of the light source light (11) into luminescent material light (8);
- the beam shaping optical element (224) comprises a beam shaping light transmissive body (210) having a radiation entrance window (211) optically coupled with the first radiation exit window (112) and part of the side face (140) along the full circumference of the second face and for less than 5 % of the total area of the side face (140), for receipt of at least part of the luminescent material light (8),
the beam shaping optical element (224) is a compound parabolic concentrator.
2. The light generating device (1) according to claim 1, wherein the elongated light transmissive body (100) has a first index of refraction, and wherein the beam shaping light transmissive body (210) has a second index of refraction which is smaller than the first index of refraction.
3. The light generating device (l)according to any one of the preceding claims, wherein the hrst radiation entrance window (211) comprises an indentation (214) hosting part of the elongated light transmissive body (100), and wherein the indentation (214) has a depth selected from the range of 0.1 -5 mm.
4. The light generating device (1) according to any claim 3, wherein the first radiation exit window (112) is non-planar, and wherein the indentation (214) has a shape (215) corresponding to the non-planar first radiation exit window (112).
5. The light generating device (l)according to any one of the preceding claims, wherein the first radiation exit window (112) is one dimensionally curved, two dimensionally curved or facetted.
6. The light generating device (l)according to any one of the preceding claims, wherein the beam shaping light transmissive body (210) is in physical contact with one or more of the first radiation exit window (112) and part of the side face (140).
7. The light generating device (1) according to any one of the preceding claims 1-6, wherein the beam shaping light transmissive body (210) is a monolithic body comprising a beam shaping light transmissive body material is selected from the group of quarts, glass, ceramic and polymer.
8. The light generating device (l)according claim 7, wherein the beam shaping light transmissive body material comprises a polymer material, wherein the polymer material comprises silicone, and wherein the beam shaping light transmissive body (210) is an overmolded body.
9. The light generating device (l)according to any one of the preceding claims 1- 7, wherein between one or more of (i) the beam shaping light transmissive body (210) and the first radiation exit window (112), and (ii) the beam shaping light transmissive body (210) and the part of the side face (140), a light transmissive material (217) is configured, wherein the light transmissive material (217) is selected from an adhesive material and a frit material.
10. The light generating device (l)according to any one of the preceding claims 1- 6, wherein beam shaping light transmissive body (210) is a composite body, comprising a first part (218) that is in physical contact with the part of the side face (140), and a second part (219) that is in optical contact with the first radiation exit window (112), and wherein the first part (218) is selected from an adhesive material and a frit material.
11. The light generating device (1) according to claim 10, wherein the beam shaping light transmissive body material comprises silicone.
12. The light generating device (1) according to claim 6, wherein the beam shaping light transmissive body (210) is in physical contact with the first radiation exit window (112) with the surface area of the radiation entrance window (211) being substantial identical to the surface area of the first radiation exit window (112) and wherein a light transmissive material covers the part of the side face (140) as well as a part of a second side face of the beam shaping light transmissive body (210).
13. The light generating device (1) according to claim 12, wherein the light transmissive material is selected from and adhesive material and a frit material.
14. A projection system or a luminaire comprising the light generating device (1) according to claim 13.
15. A method for producing the light generating device (1) according to any one of the preceding claims 1-13, the method comprising providing the elongated light transmissive body (100) and providing the beam shaping optical element (224) by one of (i) overmolding the beam shaping optical element (224) to the elongated light transmissive body (100) and (ii) connecting the beam shaping optical element (224) and the elongated light transmissive body (100) with an adhesive material or a frit material, such that the radiation entrance window (211) is optically coupled with the first radiation exit window (112) and part of the side face (140).