PEBBLE-PLATE LIKE LOUVRE

• Main Authors: FRANCK, Peter John, VERHOEVEN, Mark Johannes Antonius, DE GIER, Ronald Cornelis, DEFLANDRE, Thomas, KIM, James Jehong
• Format: Patent
• Language: English
• Published: 11.04.2019
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

The invention provides a lighting unit (1000) comprising (i) a plurality of light sources (10) for generation of lighting unit light (1001), and (ii) a light exit unit (200) for escape of at least part of said lighting unit light (1001) from the lighting unit (1000), wherein the light exit unit (200) comprises a louvre unit (1200) comprising a plurality of louvre cells (210) for beam shaping the lighting unit light (1001), wherein the plurality of louvre cells (210) comprises a plurality of n subsets each comprising a respective plurality of m louvre cells (210), wherein the louvre cells (210) of each subset are configured as domain of adjoining louvre cells (210), wherein a respective plurality of k louvre cells (210) within each domain have mutually differing louvre cell cross-sections, wherein 3≤n≤100000, wherein 5≤m≤21, and wherein 5≤k≤m.