IPC分类号：
F21V8/00 | F21K9/60 | F21K9/61 | F21K9/64
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, AE Eindhoven, NL
发明人：
HIKMET, RIFAT, ATA, MUSTAFA | VAN BOMMEL, TIES | DE BOER, DIRK, KORNELIS, GERHARDUS
代理机构：
VERWEIJ, PETRONELLA DANIËLLE
摘要：
The invention provides a lighting device (1) comprising (i) a plurality of sets (310) of each one or more light sources (10) configured to provide light source light (11), and (ii) a plurality of luminescent elements (5), each luminescent element (5) comprising an elongated luminescent body (100) having a radiation input face (111) for receipt of the light source light (11), each luminescent element (5) comprising a luminescent material (120) for conversion of at least part of the light source light (11) into luminescent material light (8), and each luminescent element (5) have an luminescent element exit window (12) for the luminescent material light (8); wherein the luminescent elements (5) are configured in a configuration wherein an average distance (d1) between neighboring luminescent bodies (100) is larger than a shortest luminescent element exit window distance (d2) between the neighboring luminescent element exit windows (12), thereby defining an interspace (320) between the neighboring luminescent bodies (100).
技术问题语段：
The technical problem addressed by this patent text is related to the design of luminescent rods used in lighting devices. The patent describes a method of converting the light emitted by LEDs to a different wavelength range using a conversion structure with a specific refractive index and ratio. The invention also includes a lighting device with multiple primary luminescent light guides pumped with LEDs, which aims to achieve a high intensity light output.
技术功效语段：
The patent describes a lighting device that generates a high intensity of light and has a large emitting surface. It also allows for efficient cooling and arrangement of the light sources. The device includes holding elements that make contact with the edge faces of the light transmissive body to minimize light losses. Additionally, the lighting device may include a heat sink and/or cooling element. These holding elements may be part of the heat sink and/or cooling element. The technical effects of this patent are the generation of a high intensity of light with a large emitting surface, efficient cooling, and arrangement of the light sources.
权利要求：
1. A lighting device (1) comprising (i) a plurality of sets (310) of each one or more light sources (10) configured to provide light source light (11), and (ii) a plurality of luminescent elements (5), each luminescent element (5) comprising an elongated luminescent body (100) having a radiation input face (111) for receipt of the light source light (11), a first face (141) and a second face (142), wherein the distance between the first face (141) and the second face (142) defines a length (L) of the elongated luminescent body (100) and the radiation input face (111) extending between the first face (141) and the second face (142), each luminescent element (5) comprising a luminescent material (120) for conversion of at least part of the light source light (11) into luminescent material light (8), and each luminescent element (5) having a luminescent element exit window (12) for escape of the luminescent material light (8) from the luminescent element (5), the second face (142) comprising said luminescent exit window (12); wherein the luminescent element exit windows (12) of the plurality of luminescent elements (5) are configured in a matrix, characterized in that the luminescent elements (5) are configured in a tapered configuration wherein a shortest distance (d1) between the first faces (141) of neighboring luminescent bodies (100) is larger than a shortest luminescent element exit window distance (d2) between the neighboring luminescent element exit windows (12), thereby defining an interspace (320) between the neighboring luminescent bodies (100).
2. The lighting device (1) according to claim 1, further comprising one or more heat sinks (330), wherein the one or more heat sinks (330) are at least partly configured in one or more interspaces (320).
3. The lighting device (1) according to claim 2, wherein one or more sets (310) of light sources (10) are in physical contact with one or more of the heat sinks (330).
4. The lighting device (1) according to any one of the preceding claims 2-3, wherein the one or more heat sinks (330) are wedge shaped with wedge faces (331) facing neighboring luminescent bodies (100).
5. The lighting device (1) according to any one of the preceding claims, wherein neighboring luminescent bodies (100) are configured under a mutual angle selected from the range of 5-60°.
6. The lighting device (1) according to any one of the preceding claims, comprising at least four luminescent elements (5), configured with the luminescent element exit window (12) in an nxm matrix, wherein n≥2 and wherein m≥2.
7. The lighting device (1) according to any one of the preceding claims, wherein the luminescent element exit windows (12) are configured in a plane.
8. The lighting device (1) according to any one of the preceding claims, wherein one or more luminescent elements (5) further comprise one or more optical extension elements (1113) configured downstream of a radiation exit window (112) of the luminescent body (100), and wherein the one or more optical extension element (1113) comprises the one or more luminescent element exit windows (12).
9. The lighting device (1) according to any one of the preceding claims, wherein the luminescent element exit windows (12) have identical sizes.
10. The lighting device (1) according to any one of the preceding claims, wherein the elongated luminescent bodies (100) have radiation exit windows (112), wherein one or more of the luminescent element exit windows (12) comprises one or more of the radiation exit windows (112) or wherein one or more luminescent element exit windows (12) are configured in a light receiving relationship with one or more radiation exit windows (112).
11. The lighting device (1) according to any one of the preceding claims, further comprising an optical element (24) configured downstream of one or more luminescent element exit windows (12), wherein the optical element (24) is configured for one or more of (i) facilitating extraction of luminescent material light (8) via the one or more luminescent element exit windows (12) to the optical element (24), and (ii) beam shaping luminescent material light (8) emanating from the one or more luminescent element exit windows (12).
12. The lighting device (1) according to claim 11, wherein a single optical element (24) is configured downstream of all luminescent element exit windows (12).
13. The lighting device (1) according to any one of the preceding claims 11-12, wherein the optical element (24) is selected from the group of a collimator and a lens.
14. A lighting system (1000) comprising one or more lighting devices (1) according to any one of the preceding claims, and a control system , wherein two or more luminescent element (5) are configured to provide luminescent material light (120) with different spectral distributions, and wherein the control system is configured to control one or more sets (310) of light sources (10)
15. A projection system (1000) or a luminaire (1100) comprising the lighting device (1) according to any one of the preceding claims 1-13 or the lighting system according to claim 14.