The invention provides an arrangement (1) comprising a device (1000), wherein the device (1000) comprises a luminescent material comprising element (100) and a light transmissive element (200), wherein: (a) the device (1000) has a first device axis (A1); (b) the luminescent material comprising element (100) comprises a luminescent material (110) configured to emit luminescent material light (111) upon irradiation with first light (11), wherein the luminescent material comprising element (100) has a first length (L1) and a characteristic first dimension (D1) perpendicular to the first length (L1), wherein D1/L1<1; wherein the luminescent material comprising element (100) is configured at a non-zero first distance (r1) from the first device axis (A1), and wherein the luminescent material comprising element (100) at least partly surrounds the first device axis (A1); (c) the light transmissive element (200) is transmissive for the first light (11), wherein the light transmissive element (200) comprises a element light entrance part (201 and an element light escape part (202), wherein the element light escape part (202) and the luminescent material (110) are radiationally coupled; wherein one or more of the following applies: (i) the first device axis (A1) intersects the light transmissive element (200), and (ii) the light transmissive element (200) at least partly surrounds the first device axis (A1); and (d) the luminescent material comprising element (100) is in thermal contact with one or more of (a) the light transmissive element (200) and (b) an optional thermally conductive element (300).

The invention relates to a light fixture (100) having: an elongate light source, which is formed by multiple LEDs (60) or LED clusters arranged one behind the other in the longitudinal direction; a primary optical system (20), which is assigned to the light source and is formed by multiple pot-like reflectors (25), which are arranged one behind the other in the longitudinal direction and each widen in a divergent manner from the light source in a light emission direction of the light fixture (100); and a secondary optical system (30), which follows the primary optical system (20) in the light emission direction and is formed by a planar element consisting of a transparent material, wherein the element has light-refractive structures (35).

The purpose of the present invention is to realize a lighting device of thin, low power consumption and small light distribution angle. The present invention takes the following structure to realize the above task: A lighting device having an emitting surface and a bottom opposing to the emitting surface including: a resin, set between the emitting surface and the bottom, having a hole at a center, a reflection block set in the hole at a side of the emitting surface, an LED, which is a light source, set in the hole at a side of the bottom, a space between the LED and the reflection block, in which the resin is contained in a container whose inner surface is a reflecting surface.

The purpose of the present invention is to realize a lighting device of thin, low power consumption and small light distribution angle. The present invention takes the following structure to realize the above task: A lighting device having an emitting surface and a bottom opposing to the emitting surface including: a resin, set between the emitting surface and the bottom, having a hole at a center, a reflection block set in the hole at a side of the emitting surface, an LED, which is a light source, set in the hole at a side of the bottom, a space between the LED and the reflection block, in which the resin is contained in a container whose inner surface is a reflecting surface.

A wall wash recessed light fixture has a light engine assembly has an aperture, an LED module operable to emit light through the aperture, a lens disposed between the LED module and the aperture, and a reflector disposed between the LED module and the lens. The LED module has an optical axis passing through the aperture and substantially parallel to a longitudinal axis (Z). The lens has a first side forming a plano-convex lens with a convex surface facing the LED module and has a second side with a Fresnel lens surface facing the aperture, and the lens is aligned at an oblique angle Θ.sub.1 relative to the optical axis of the LED module. A diffuser is disposed between the lens and the aperture. The plano-convex lens has a principal axis aligned at the oblique angle Θ.sub.1 relative to the optical axis of the LED module.

A wall wash recessed light fixture has a light engine assembly has an aperture, an LED module operable to emit light through the aperture, a lens disposed between the LED module and the aperture, and a reflector disposed between the LED module and the lens. The LED module has an optical axis passing through the aperture and substantially parallel to a longitudinal axis (Z). The lens has a first side forming a plano-convex lens with a convex surface facing the LED module and has a second side with a Fresnel lens surface facing the aperture, and the lens is aligned at an oblique angle Θ.sub.1 relative to the optical axis of the LED module. A diffuser is disposed between the lens and the aperture. The plano-convex lens has a principal axis aligned at the oblique angle Θ.sub.1 relative to the optical axis of the LED module.

A photoconversion device includes a holder, a wavelength converter, and an optical element. The holder holds an output portion that outputs excitation light. The wavelength converter includes an incident surface section including a protruding surface to receive the excitation light from the output portion and emits fluorescence in response to the excitation light incident on the incident surface section. The optical element includes a focal point surrounded by the incident surface to direct the fluorescence emitted by the wavelength converter in a predetermined direction.

A photoconversion device includes a holder, a wavelength converter, and an optical element. The holder holds an output portion that outputs excitation light. The wavelength converter includes an incident surface section including a protruding surface to receive the excitation light from the output portion and emits fluorescence in response to the excitation light incident on the incident surface section. The optical element includes a focal point surrounded by the incident surface to direct the fluorescence emitted by the wavelength converter in a predetermined direction.

A LED lighting device includes LEDs operable to emit light when powered through an electrical path. The LED lighting device includes a housing and a communications module for wireless communication to and from the LED lighting device. An antenna for receives and transmits a wireless signal where the antenna comprises a slot in the housing. A power supply in the electrical path for providing power to the LEDs may be retained in the housing. The communications module may be retained in the housing with the power supply. The housing may form part of the LED lighting device structure such as a reflector surface.

The present disclosure is directed to examples of an apparatus. In one embodiment, the apparatus includes a light entry segment that receives light emitted from a light emitting diode (LED), a total internal reflection (TIR) segment to reflect the light emitted from the light emitting diode towards an optical axis of the LED, and a light redirection segment to redirect the light emitted from the light emitting diode and the light reflected by the TIR segment at an angle greater than 45 degrees relative to the optical axis of the LED and greater than 90 degrees along a horizontal axis.