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    • 4. 发明申请
    • SYSTEMS AND METHODS FOR PROVIDING LIGHTING USING MODULAR HEAT SINK STRUCTURES AND LENSES
    • WO2022223335A1
    • 2022-10-27
    • PCT/EP2022/059571
    • 2022-04-11
    • SIGNIFY HOLDING B.V.
    • CHEN, Ling
    • F21V5/00F21V23/00F21V29/83F21W131/402F21Y103/33F21Y115/10F21W131/40F21Y105/18
    • A light fixture (50), comprising: an electronics housing (51); first and second heat sink structures (52, 54, 56, 58, 60, 62) coupled to the electronics housing, wherein each heat sink structure of the first and second heat sink structures is defined at least in part by a heat sink outer arc (64) having first and second end points (72, 74), and wherein each heat sink structure is further defined at least in part by two heat sink radii (66, 68) extending from the first and second end points, respectively, to a center point (P) of the light fixture; first and second light sources (53); at least two lenses (106, 108, 110, 112, 114, 116) comprising a first lens attached to the first heat sink structure and covering the first light source and a second lens attached to the second heat sink structure and covering the second light source, wherein each lens of the first and second lenses is defined at least in part by a lens outer arc (120) having first and second end points (128, 130), wherein each lens is further defined at least in part by two lens radii (122, 124) extending from the first and second end points, respectively, to a point (PI) that is different than the center point of the light fixture, and wherein each lens is further defined at least in part by an inner arc (126) extending between the two lens radii (122, 124); and a ventilation channel (76, 78, 80, 82, 84, 86) arranged between the first and second heat sink structures.
    • 6. 发明申请
    • OPTICAL CELLS FOR MODULAR LUMINAIRES
    • WO2022053512A1
    • 2022-03-17
    • PCT/EP2021/074707
    • 2021-09-08
    • IQ STRUCTURES S.R.O.
    • SKEREN, MarekRYZI, ZbynekTETHAL, TomasHOUHA, Roman
    • F21V13/12F21V5/00F21V7/00F21V7/10F21V17/16F21Y105/18F21Y115/10
    • An optical cell (10) for forming a luminaire, the optical cell (10) comprising: (i) a light collector element (14), (ii) a cover element (15) attached to the light collector element (14), and (iii) a transmission element (16) mounted between the light collector element (14) and the cover element (15); wherein: (iv) the light collector element (14) comprises a body including: an input, e.g. an input opening, for receiving and collecting light from at least one light source, e.g. one or more LEDs (32) pre-mounted on a circuit- or wiring board (30); an output, e.g. an output opening, for propagating collected light towards the transmission element (16); at least one wall (52) defining one or more portions of the body, such as an internal chamber (53) therewithin, between its input and output, and configured for collecting light entering the body/chamber (53) via its input and conveying or directing said light towards its output; and attachment means (55, 65) for mechanically attaching the light collector element (14) to the cover element (15) and securing the transmission element (16) therebetween; (v) the cover element (15) comprises: an input opening facing towards the transmission element (16) and for receiving light transmitted thereby; an output opening via which light is outputted from the optical cell (10); and at least one internal surface (62) defining a cavity (63) within the cover element (15) between its input and output openings, the cavity's internal surface(s) (62) being configured for allowing or effecting passage of light, or a portion of the light, through the cavity (63) from the cover element's input opening towards its output opening; and (vi) the transmission element (16) comprises: one or more planar optical elements, wherein the or each optical element includes a first surface facing towards the output of the light collector element (14) and a second surface facing towards the input opening of the cover element (15), and the or each optical element exhibits a predetermined optical activity or function in its transmission of light incident thereon which has exited the output of the light collector element (14) and is transmitted by the transmission element (16) towards the input opening of the cover element (15).