US3201582A - Two-way hospital light - Google Patents

Two-way hospital light Download PDF

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Publication number
US3201582A
US3201582A US292634A US29263463A US3201582A US 3201582 A US3201582 A US 3201582A US 292634 A US292634 A US 292634A US 29263463 A US29263463 A US 29263463A US 3201582 A US3201582 A US 3201582A
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secured
diffuser
walls
end walls
front panel
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US292634A
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Al L Siegel
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20—Lighting for medical use
    • F21W2131/208—Lighting for medical use for hospital wards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Definitions

  • An important object of the invention is to provide a light fixture which is equipped with means for direct downward and indirect upward illumination.
  • Another object of the invention is to provide such a fixture which is simple in construction, easily serviced and can be manufactured at a reasonable cost.
  • FIG. 1 is a perspective view of the fixture
  • FIG. 2 is a cross-sectional view through line 2-2 of FIG. 1,
  • FIG. 3 is a fragmentary cross-sectional view through line 3--3 of FIG. 2, and
  • FIG. 4- is a fragmentary bottom plan view as viewed on line 4- of FIG. 2.
  • the two-way hospital light comprises a housing or chassis it including a back wall 12, a top wall 16 and end walls 13.
  • a translucent difluser 28 preferably made of plastic material.
  • the diffuser comprises a longitudinally extending front panel 22, a top panel 2% and a bottom panel 2s and an open portion de- L.
  • a reflector 44 which is preferably made of sheet metal having .a polished surface has a wireway cover 46 welded to its angular portion, the wireway cover being formed with a flange 48 welded to the terminal portion lti of the chassis.
  • the bottom Wall 16 is formed with a flange 59, for securing pivotaibly the diffuser pivot clip 52 by means of the rounded portion 54 of the clip on a pivot pin 55 secured to flange Eli, as shown in FIG. 2.
  • the rounded portion 54* is detachable from pivot 56 by pressing upwardly the bottom plastic panel 26 which is resilient.
  • a pair of socket plates 53 are secured to the chassis 10 by means of threaded shanks so and nuts 62, the plates being spaced from the chassis by means of spacers 64.
  • the socket plates are formed with flanges 66 to each of which is secured a leaf spring 68,
  • a pair of diffuser inserts 70, against which the springs abut, are provided in the difinser 29, which has projections 72 for retaining the inserts.
  • Another flange 74 in each of the socket plates with a slot 76 and a difluser retaining spring extends into this slot. The other end 86 of the spring is welded to the flange 74.
  • Sockets 82 for fluorescent tubes 84 are secured to each of the socket plates 53, above and below reflector 44.
  • the device is further provided with an electrical unit 86 consisting of a night light as, a switch 9d for controlling the light and a convenience outlet 92.
  • the switch 90 is adapted, through appropriate wiring (not shown), to turn on and off either of the fluorescent lamps 84 to provide indirect upward light or direct downward illumination, or to turn on and off both fluorescent lamps simultaneously.
  • the switch may be further adapted to turn on the night light 88 while turning off the fluorescent lamps If desired, separate switches may be provided for each of the lamps.
  • the novel construction of the device makes it possible to dismount easily the diffuser 2th from the chassis 10 for any desired purpose. For this purpose it is only necessary to press downwardly the resilient plastic top panel 24 adjacent the diffuser flange 2S and to press upwardly t e resilient plastic bottom panel 26 adjacent the flange so until the flanges are free of the respective chassis flanges. The diflu-ser can then be slid to the position shown in dotted lines in FIG. 2 where it is suspended against tabs or projections 72 and spring 78, thus making accessible the interior of the device for any desired purpose.
  • a two-way hospital light comprising, in combination a chassis having a back wall, top and bottom Walls tournamentd with inturned flanges, and end walls extending outwardly of said top and bottom walls, said end walls :haying free end portions, a one piece diffuser of translucent resilient sheet material formed with a front panel and bottom and top panels, said top and bottom panels having edges extending parallel to said front panel, reraining ciips detachab'ly securing said edges to said infturned flanges, the lower of said clips being pivotal-1y connected to their respective flanges, a pair of difiuser inserts intimately contacting said front panel and ex tending part way across the top and bot-torn panels, a pair of spaced leaf springs secured to said free end portions of the end walls, said springs engaging said inserts for biasing said retaining clips against said inturned flanges of the top and bottom walls, a reflector secured to one of said inturned flanges and extending into said diffuse
  • a two-way hospital light comprising, in combination, a chassis having a back wall, top and bottom walls formed with inturned flanges, and end walls extending outwardly of said top and bottom Walls, said end walls having free end portions, a diffuser of translucent resilient sheet material formed with a front panel and top and bottom panels, said top and bottom panels having edges of enlarged cross-section extending parallel to said front panel top and bottom, retaining clips detachably securing said edges to said inturned flanges, said bottom clip-s being pivotally connected to their respective flanges, a pair of diffuser inserts intimately contacting said front panel 7 and extending part way across the said top and bottom panels, a pair of spaced lea-f springs secured to said free end portions of the end Walls, said springs engaging said insert for biasing said retaining clips against said inturned flanges of the top and bottom Walls, a reflector secured to one of said inturned flanges and extending diagonally into said diifuser to form upper and lower

Description

Aug. 17, 1965 A. L. SIEGEL TWO-WAY HOSPITAL LIGHT Filed July 3. 1963 United States Patent 0 3,251,582 TWO=WAY HQSPKTAL LIGHT Al L. Sicgel, seas Jenn-oi Eirive N, East Meadow, Long Island, Filed July 3, 1963, Ser. No. 292,634 3 Ciahns. (Cl. 240-73} This invention relates to light fixtures in general, and in particular to a two-way light fixture adapted for use in hospitals.
An important object of the invention is to provide a light fixture which is equipped with means for direct downward and indirect upward illumination.
Another object of the invention is to provide such a fixture which is simple in construction, easily serviced and can be manufactured at a reasonable cost.
Other objects and a fuller understanding of the invention may be had by referring to the following description and claims taken in conjunction with the accompanying drawing.
It should be understood, however, that these are given by way of illustration and not of limitation, and that various changes in the details, form and arrangement of the invention may be made without departing from its scope.
In the drawing:
FIG. 1 is a perspective view of the fixture,
FIG. 2 is a cross-sectional view through line 2-2 of FIG. 1,
FIG. 3 is a fragmentary cross-sectional view through line 3--3 of FIG. 2, and
FIG. 4- is a fragmentary bottom plan view as viewed on line 4- of FIG. 2.
Referring now to t e drawing in detail, the two-way hospital light comprises a housing or chassis it including a back wall 12, a top wall 16 and end walls 13. De tachably secured to the housing or chassis lit, in a mannor to be described below, is a translucent difluser 28, preferably made of plastic material. The diffuser comprises a longitudinally extending front panel 22, a top panel 2% and a bottom panel 2s and an open portion de- L.
fined by L-shaped flanges 23, 3% extending transversely to the front panel 22. Secured to flange 28 is a diffuser retaining clip 32 which engages detachably with an armate flange portion 2% of the top wall 14 of housing or chassis it and extends through opening 36 formed in the flange portion. Difiuser retaining tabs 33 abut the terminal portion at? of the chassis and there are likewise provided dii'fuser stops A reflector 44, which is preferably made of sheet metal having .a polished surface has a wireway cover 46 welded to its angular portion, the wireway cover being formed with a flange 48 welded to the terminal portion lti of the chassis. The bottom Wall 16 is formed with a flange 59, for securing pivotaibly the diffuser pivot clip 52 by means of the rounded portion 54 of the clip on a pivot pin 55 secured to flange Eli, as shown in FIG. 2. The rounded portion 54* is detachable from pivot 56 by pressing upwardly the bottom plastic panel 26 which is resilient.
A pair of socket plates 53, one of which is shown in FIGS. 5, 2 and 3, are secured to the chassis 10 by means of threaded shanks so and nuts 62, the plates being spaced from the chassis by means of spacers 64. The socket plates are formed with flanges 66 to each of which is secured a leaf spring 68, A pair of diffuser inserts 70, against which the springs abut, are provided in the difinser 29, which has projections 72 for retaining the inserts. Another flange 74 in each of the socket plates with a slot 76 and a difluser retaining spring extends into this slot. The other end 86 of the spring is welded to the flange 74.
Patented Aug. 1 '7, l. 965
Sockets 82 for fluorescent tubes 84 are secured to each of the socket plates 53, above and below reflector 44. The device is further provided with an electrical unit 86 consisting of a night light as, a switch 9d for controlling the light and a convenience outlet 92. The switch 90 is adapted, through appropriate wiring (not shown), to turn on and off either of the fluorescent lamps 84 to provide indirect upward light or direct downward illumination, or to turn on and off both fluorescent lamps simultaneously. The switch may be further adapted to turn on the night light 88 while turning off the fluorescent lamps If desired, separate switches may be provided for each of the lamps.
The novel construction of the device makes it possible to dismount easily the diffuser 2th from the chassis 10 for any desired purpose. For this purpose it is only necessary to press downwardly the resilient plastic top panel 24 adjacent the diffuser flange 2S and to press upwardly t e resilient plastic bottom panel 26 adjacent the flange so until the flanges are free of the respective chassis flanges. The diflu-ser can then be slid to the position shown in dotted lines in FIG. 2 where it is suspended against tabs or projections 72 and spring 78, thus making accessible the interior of the device for any desired purpose. To reattaoh the diffuser to the chassis, the difiuser is slid into the opposite direction and the flanges 32 and 52 are reengaged with the corresponding flanges 34 and What is claimed and desired to be secured by letters Patent of the United States is:
2.. A two-way hospital light comprising, in combination a chassis having a back wall, top and bottom Walls tourned with inturned flanges, and end walls extending outwardly of said top and bottom walls, said end walls :haying free end portions, a one piece diffuser of translucent resilient sheet material formed with a front panel and bottom and top panels, said top and bottom panels having edges extending parallel to said front panel, reraining ciips detachab'ly securing said edges to said infturned flanges, the lower of said clips being pivotal-1y connected to their respective flanges, a pair of difiuser inserts intimately contacting said front panel and ex tending part way across the top and bot-torn panels, a pair of spaced leaf springs secured to said free end portions of the end walls, said springs engaging said inserts for biasing said retaining clips against said inturned flanges of the top and bottom walls, a reflector secured to one of said inturned flanges and extending into said diffuser and forming upper and lower light chambers therein, a pair of socket plates spacedly secured to each of said end walls inwardly of said diffuser, aligned lamp sockets secured to each of said end walls above and below said reflector, respectively, and switch means for selectively controlling .a current supply to said sockets.
2. A two-way hospital light comprising, in combination, a chassis having a back wall, top and bottom walls formed with inturned flanges, and end walls extending outwardly of said top and bottom Walls, said end walls having free end portions, a diffuser of translucent resilient sheet material formed with a front panel and top and bottom panels, said top and bottom panels having edges of enlarged cross-section extending parallel to said front panel top and bottom, retaining clips detachably securing said edges to said inturned flanges, said bottom clip-s being pivotally connected to their respective flanges, a pair of diffuser inserts intimately contacting said front panel 7 and extending part way across the said top and bottom panels, a pair of spaced lea-f springs secured to said free end portions of the end Walls, said springs engaging said insert for biasing said retaining clips against said inturned flanges of the top and bottom Walls, a reflector secured to one of said inturned flanges and extending diagonally into said diifuser to form upper and lower ligh t chambers therein, a wireway cover secured to the underside of the reflector, a pair of socket plates, spacedly secured to each of said end walls inwardly of said diffuser, two pairs of aligned lamp sockets secured to each of said end walls above and below said reflector, respectively, and switch means for selectively controlling a current supply to said sockets.
3. A two-way hospital light comprising, in combination, .a chassis having a back wall, top and bottom walls formed with inturned flanges, and end walls extending outwardly of said top and bottom walls, said end walls having free end portions, a diffuser of translucent resilient sheet material formed with a front panel and top and bottom panels, said top and bottom panels having edges of enlarged cross-section extending parallel to said front panel, top and bottom retaining clips detachably securing said edges to said inturned flanges, said bottom clips being pivotally connected to their respective flanges, a pair of diffuser inserts intimately contacting said front panel and extending part way across said top and bottom panels, a pair of spaced leaf springs secured to said fre end 4 portions of the end Walls, said springs engaging said inserts for biasing said retaining clips against said inturned flanges of the top and bottom walls, a reflector secured to one of said inturned flanges and extending diagonal-1y into said diffuser to form upper and lower light chambers therein, a wireway cover secured to the underside of .the reflector, a pair of socket plates spa'cedly secured to said end walls inwardly of said diffuser, two pairs of lamp sockets secured to said end walls above and below said reflector, respectively, and switch means for selectively controlling a current supply to said sockets, and a night light mounted in the bottom wall of said chassis, said night light being operable by said switch means.
' References Cited by the Examiner UNITED STATES PATENTS 2,269,182 1/42 Clapsy et al. 240-5 1.11 2,327,568 8/43 Strang 240-5111 3,022,416 2/62 Rooberts 24073 3,077,536 2/63 'Garnett 24073 NORTON ANSHER, Primary Examiner.

Claims (1)

1. A TWO-WAY HOSPITAL LIGHT COMPRISING, IN COMBINATION A CHASSIS HAVING A BACK WALL, TOP AND BOTTOM WALLS FORMED WITH INTURNED FLANGES, AND END WALLS EXTENDING OUTWARDLY OF SAID TOP AND BOTTOM WALLS, SAID END WALLS HAVING FREE END PORTIONS, A ONE PIECE DIFFUSER OF TRANSLUCENT RESILIENT SHEET MATERIAL FORMED WITH A FRONT PANEL AND BOTTOM AND TOP PANELS, SAID TOP AND BOTTOM PANELS HAVING EDGES EXTENDING PARALLEL TO SAID FRONT PANEL, RETAINING CLIPS DETACHABLY SECURING SAID EDGES TO SAID INTURNED FLANGES ,THE LOWER OF SAID CLIPS BEING PIVOTALLY CONNECTED TO THEIR RESPECTIVE FLANGES, A PAIR OF DIFFUSER INSERTS INTIMATELY CONTACTING SAID FRONT PANEL AND EXTENDING PART WAY ACROSS THE TOP AND BOTTOM PANELS, A PAIR OF SPACED LEAD SPRINGS SECURED TO SAID FREE END PORTION OF THE END WALLS, SAID SPRINGS ENGAGING SAID INSERTS FOR BIASING SAID RETAINING CLIPS AGAINST SAID INTURNED FLANGES OF THE TOP AND BOTTOM WALLS, A REFLECTOR SECURED TO ONE OF SAID INTURNED FLANGES AND EXTENDING TO SAID DIFFUSER AND FORMING UPPER AND LOWER LIGHT CHAMBERS THEREIN, A PAIR OF SOCKET PLATES SPACEDLY SECURED TO EACH OF SAID END WALS INWARDLY OF SAID DIFFUSER, ALIGNED LAMP SOCKETS SECURED TO EACH OF SAID END WALLS ABOVE AND BELOW SAID REFLECTOR, RESPECTIVELY, AND SWITCH MEANS FOR SELECTIVELY CONTROLLING A CURRENT SUPPLY TO SAID SOCKETS.
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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354301A (en) * 1967-02-09 1967-11-21 Bobrick Mitchell Room utility and service system
US3473017A (en) * 1967-04-10 1969-10-14 Wellmade Metal Products Co Luminaire bracket
US3601599A (en) * 1969-02-07 1971-08-24 Lightcraft Of California Lighting fixture
US3688105A (en) * 1970-03-16 1972-08-29 Anthony J Governale Cove lighting and heating fixture
FR2394494A1 (en) * 1977-06-18 1979-01-12 Henkel Kgaa PROCESS FOR PREPARING CATION EXCHANGER ALUMINOSILICATES CONTAINING SURFACTANTS
US4204274A (en) * 1977-06-25 1980-05-20 Willi Luderitz Wall light fixture, particularly for hospital rooms
US4414609A (en) * 1982-10-08 1983-11-08 Sylvan R. Shemitz And Associates, Inc. Luminaire for a visual display terminal
EP0217323A2 (en) * 1985-10-02 1987-04-08 THORN LICHT GmbH Lighting fixture and method of lighting
US5539626A (en) * 1993-11-18 1996-07-23 Delma Electro-Und Medizinische Apparatebau Gesellschaft Mbh Operating theater lamp
US5848833A (en) * 1995-11-17 1998-12-15 Linear Lighting Corp. Bidirectional lighting system
US6019481A (en) * 1996-08-29 2000-02-01 Hill-Rom, Inc. Light fixture with recessed electrical outlet, data receptacle, and support frame for mounting on a wall
US6132062A (en) * 1998-03-27 2000-10-17 Hill-Rom, Inc. Task light for a surgical light apparatus
US6174068B1 (en) 1998-09-29 2001-01-16 Hill-Rom, Inc. Light fixture with auxiliary light
US6318880B1 (en) * 2000-03-14 2001-11-20 The Regents Of The University Of California Portable lamp with dynamically controlled lighting distribution
WO2002044612A2 (en) * 2000-11-29 2002-06-06 Zumtobel Staff Gmbh Light with a transparent panel
DE10223245A1 (en) * 2002-05-21 2003-12-04 Zumtobel Staff Gmbh lamp
WO2016050872A1 (en) * 2014-10-01 2016-04-07 Philips Lighting Holding B.V. A luminaire and a method for providing task lighting and decorative lighting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2269182A (en) * 1940-08-28 1942-01-06 Phoenix Glass Company Illuminating unit
US2327568A (en) * 1941-07-15 1943-08-24 Wiremold Co Lighting fixture
US3022416A (en) * 1959-07-02 1962-02-20 American Hospital Supply Corp Overhead wall light
US3077536A (en) * 1961-04-12 1963-02-12 Day Brite Lighting Inc Two-way lighting fixture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2269182A (en) * 1940-08-28 1942-01-06 Phoenix Glass Company Illuminating unit
US2327568A (en) * 1941-07-15 1943-08-24 Wiremold Co Lighting fixture
US3022416A (en) * 1959-07-02 1962-02-20 American Hospital Supply Corp Overhead wall light
US3077536A (en) * 1961-04-12 1963-02-12 Day Brite Lighting Inc Two-way lighting fixture

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354301A (en) * 1967-02-09 1967-11-21 Bobrick Mitchell Room utility and service system
US3473017A (en) * 1967-04-10 1969-10-14 Wellmade Metal Products Co Luminaire bracket
US3601599A (en) * 1969-02-07 1971-08-24 Lightcraft Of California Lighting fixture
US3688105A (en) * 1970-03-16 1972-08-29 Anthony J Governale Cove lighting and heating fixture
FR2394494A1 (en) * 1977-06-18 1979-01-12 Henkel Kgaa PROCESS FOR PREPARING CATION EXCHANGER ALUMINOSILICATES CONTAINING SURFACTANTS
US4204274A (en) * 1977-06-25 1980-05-20 Willi Luderitz Wall light fixture, particularly for hospital rooms
US4414609A (en) * 1982-10-08 1983-11-08 Sylvan R. Shemitz And Associates, Inc. Luminaire for a visual display terminal
EP0217323A2 (en) * 1985-10-02 1987-04-08 THORN LICHT GmbH Lighting fixture and method of lighting
EP0217323A3 (en) * 1985-10-02 1989-03-08 THORN LICHT GmbH Lighting fixture and method of lighting
US5539626A (en) * 1993-11-18 1996-07-23 Delma Electro-Und Medizinische Apparatebau Gesellschaft Mbh Operating theater lamp
US5848833A (en) * 1995-11-17 1998-12-15 Linear Lighting Corp. Bidirectional lighting system
US6019481A (en) * 1996-08-29 2000-02-01 Hill-Rom, Inc. Light fixture with recessed electrical outlet, data receptacle, and support frame for mounting on a wall
US6132062A (en) * 1998-03-27 2000-10-17 Hill-Rom, Inc. Task light for a surgical light apparatus
US6174068B1 (en) 1998-09-29 2001-01-16 Hill-Rom, Inc. Light fixture with auxiliary light
US6318880B1 (en) * 2000-03-14 2001-11-20 The Regents Of The University Of California Portable lamp with dynamically controlled lighting distribution
WO2002044612A2 (en) * 2000-11-29 2002-06-06 Zumtobel Staff Gmbh Light with a transparent panel
WO2002044612A3 (en) * 2000-11-29 2002-10-24 Zumtobel Staff Gmbh Light with a transparent panel
US20040012981A1 (en) * 2000-11-29 2004-01-22 Zumtobel Staff Gmbh Light with a transparent panel
US7093955B2 (en) 2000-11-29 2006-08-22 Zumtobel Staff Gmbh Light with a transparent panel
DE10223245A1 (en) * 2002-05-21 2003-12-04 Zumtobel Staff Gmbh lamp
DE10223245B4 (en) * 2002-05-21 2014-02-27 Zumtobel Staff Gmbh lamp
WO2016050872A1 (en) * 2014-10-01 2016-04-07 Philips Lighting Holding B.V. A luminaire and a method for providing task lighting and decorative lighting
JP2017530530A (en) * 2014-10-01 2017-10-12 フィリップス ライティング ホールディング ビー ヴィ Lighting fixture and method for providing work lighting and decorative lighting
US10125946B2 (en) 2014-10-01 2018-11-13 Philips Lighting Holding B.V. Luminaire and a method for providing task lighting and decorative lighting

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