EP0675316A1 - Tisch- oder Stehleuchte mit hoher Beleuchtungsqualität - Google Patents

Tisch- oder Stehleuchte mit hoher Beleuchtungsqualität Download PDF

Info

Publication number
EP0675316A1
EP0675316A1 EP95104371A EP95104371A EP0675316A1 EP 0675316 A1 EP0675316 A1 EP 0675316A1 EP 95104371 A EP95104371 A EP 95104371A EP 95104371 A EP95104371 A EP 95104371A EP 0675316 A1 EP0675316 A1 EP 0675316A1
Authority
EP
European Patent Office
Prior art keywords
diffuser body
lamp
illuminated
light source
footing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95104371A
Other languages
English (en)
French (fr)
Inventor
Isao Hosoe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STATUS Srl
Original Assignee
STATUS Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STATUS Srl filed Critical STATUS Srl
Publication of EP0675316A1 publication Critical patent/EP0675316A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • 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

Definitions

  • the present invention relates to a tabletop lamp or floor-lamp providing high lighting quality.
  • Conventional tabletop lamps or floor-lamps are generally constituted by a footing that is adapted to be placed on the surface to be illuminated and supports a diffuser body inside which there is at least one light source.
  • the diffuser body is generally mounted at one end of an arm, the other end whereof is pivoted to the footing, about a substantially horizontal axis, so as to allow, by virtue of the oscillation of said arm about said axis, to vary the vertical distance of the diffuser body from the surface to be illuminated.
  • the diffuser body can also be orientated with respect to the arm, so as to vary the angle of incidence of the light beam projected onto the surface to be illuminated.
  • the part of the diffuser body that is directed towards the surface to be illuminated is substantially shaped like a parabola and the light source is located proximate to the focus of said parabola.
  • the lighting provided by these lamps originates mainly from direct illumination of the light source located in the diffuser body and partly from reflection produced by the face of the diffuser body that is directed towards the surface to be illuminated.
  • the diffuser body heats considerably, and this can be unpleasant and even dangerous in some cases, since the diffuser body of these lamps is close to the user.
  • a principal aim of the present invention is to solve the problems described above by providing a tabletop lamp or floor-lamp that ensures high lighting quality, avoiding the onset of unpleasant reflections on the surface to be illuminated or on the objects placed on said surface.
  • an object of the invention is to provide a tabletop lamp or floor-lamp in which the part of the diffuser body to be placed close to the user, particularly when used as tabletop lamp, can have a low temperature during use, that is to say, a temperature that causes no discomfort and is not dangerous for the user.
  • Another object of the invention is to provide a lamp having a simple structure that can be produced with low manufacturing costs.
  • Another object of the invention is to provide a lamp that can have an aesthetically pleasing styling.
  • a tabletop lamp or floor-lamp which comprises a footing adapted to be placed on a surface to be illuminated and supporting a diffuser body and at least one light source, characterized in that said diffuser body has an elongated shape that protrudes from said footing and has a lower face that is directed towards said surface to be illuminated and is provided with a surface adapted to reflect and/or refract a light beam, said light source being arranged below said diffuser body in a region that is spaced from its free end, which lies at the opposite end with respect to said footing, and being orientated towards the lower face of said diffuser body so as to diffuse the light beam, emitted by said light source, substantially up to said free end of the diffuser body and so as to indirectly project it onto said surface to be illuminated.
  • the lamp according to the invention comprises a footing 2 that is adapted to be placed on a surface 3 to be illuminated and supports a diffuser body 4 and at least one light source 5.
  • the diffuser body 4 has an elongated shape that protrudes from the footing 2, and the lower face 6 of the diffuser body 4, which is directed 5 towards the surface 3 to be illuminated, is provided with a surface that is adapted to reflect and/or refract the light beam emitted by the light source 5.
  • the light source 5 is arranged below the diffuser body 4 in a region that is spaced from the free end of the diffuser body 4 and is opposite to the end of said body that is connected to the footing 2; said light source is directed towards the lower face 6 of the diffuser body 4 so as to project a light beam onto this surface, which diffuses the beam substantially up to the free end of the diffuser body 4 and therefore, indirectly, onto the surface 3 to be illuminated.
  • the footing 2 can be constituted, as shown in the figures, by a base 7 from which two posts 8a and 8b rise, said posts being connected to a longitudinal end of the diffuser body 4.
  • the diffuser body 4 has, starting from the posts 8a and 8b of the footing 2, a first portion 4a that is substantially vault-shaped, with the concavity directed towards the surface 3 to be illuminated, and an end portion 4b that is flattened and blended with the first portion 4a.
  • the end portion 4b has a slightly concave lower face.
  • the light source 5 is supported by the footing 2 preferably proximate to the end of the diffuser body 4 that is connected to said footing 2, and the first portion 4a of the diffuser body 4 has, proximate to the light source 5, two lateral wings 9a and 9b that protrude downwards and laterally shield the light source 5.
  • the surface of the lower face 6 of the diffuser body 4 is preferably metallized or covered with a refracting plastic film.
  • the light source 5 is preferably constituted by a dichroic bulb mounted in a supporting body 10, which is supported by the posts 8a and 8b so as to be oscillatable about an axis 11, which is substantially horizontal and lies transversely to the extension of the diffuser body 4.
  • the diffuser body 4 is also pivoted, by means of the wings 9a and 9b, to the top of the posts 8a and 8b about an axis 12 that lies horizontally and transversely with respect to the extension of the diffuser body 4.
  • the light beam emitted by the light source 5 has an axis that is incident with respect to a plane that is tangent to the top of the lower face 6 along an angle a of substantially 20° to 50°.
  • the light beam emitted by the light source 5 strikes the surface of the lower face 6 of the diffuser body 4; since it is metallized or covered with a refracting plastic film, said body transmits the received light substantially along the entire extension of the lower face 6 of the diffuser body and diffuses it onto the surface 3 to be illuminated.
  • the particular shape of the diffuser body 4 in any case allows, by appropriately orientating the diffuser body 4 and the light source 5, to concentrate the diffused light onto the surface 3 to be illuminated in the desired region.
  • the end portion 4b of the diffuser body which is meant to be located proximate to the user, does not heat and is therefore not unpleasant or dangerous for the user.
  • the lamp according to the invention fully achieves the intended aim, since it allows to obtain high-quality lighting while avoiding the unpleasant reflections that can be observed with conventional tabletop lamps or floor-lamps.
  • the materials employed may be any according to the requirements and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
EP95104371A 1994-03-28 1995-03-24 Tisch- oder Stehleuchte mit hoher Beleuchtungsqualität Withdrawn EP0675316A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI940593 1994-03-28
ITMI940593A IT1269929B (it) 1994-03-28 1994-03-28 Lampada da tavolo o da pavimento ad elevata qualita' di illuminazione

Publications (1)

Publication Number Publication Date
EP0675316A1 true EP0675316A1 (de) 1995-10-04

Family

ID=11368398

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95104371A Withdrawn EP0675316A1 (de) 1994-03-28 1995-03-24 Tisch- oder Stehleuchte mit hoher Beleuchtungsqualität

Country Status (2)

Country Link
EP (1) EP0675316A1 (de)
IT (1) IT1269929B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737768A1 (fr) * 1995-08-07 1997-02-14 Thorn Europhane Sa Luminaire destine a produire un faisceau eclairant orientable dans l'espace
WO1997030311A1 (en) * 1996-02-14 1997-08-21 Teknoware Oy Light fitting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB536563A (en) * 1940-04-29 1941-05-20 George Victor Downer Improvements in or relating to illuminating devices
US2744192A (en) * 1953-01-21 1956-05-01 Lynard Of California Inc Reflector lamp
DE2809557A1 (de) * 1978-03-06 1979-09-20 Eurolicht Lichtarchitectuur B Arbeitsplatzleuchte
EP0347867A2 (de) * 1988-06-21 1989-12-27 Hartmut S. Engel Beleuchtungssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB536563A (en) * 1940-04-29 1941-05-20 George Victor Downer Improvements in or relating to illuminating devices
US2744192A (en) * 1953-01-21 1956-05-01 Lynard Of California Inc Reflector lamp
DE2809557A1 (de) * 1978-03-06 1979-09-20 Eurolicht Lichtarchitectuur B Arbeitsplatzleuchte
EP0347867A2 (de) * 1988-06-21 1989-12-27 Hartmut S. Engel Beleuchtungssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737768A1 (fr) * 1995-08-07 1997-02-14 Thorn Europhane Sa Luminaire destine a produire un faisceau eclairant orientable dans l'espace
WO1997030311A1 (en) * 1996-02-14 1997-08-21 Teknoware Oy Light fitting

Also Published As

Publication number Publication date
ITMI940593A1 (it) 1995-09-28
IT1269929B (it) 1997-04-16
ITMI940593A0 (it) 1994-03-28

Similar Documents

Publication Publication Date Title
CA1066249A (en) Luminaire and reflector therefor
US4709312A (en) Floodlight with improved reflector system
JP2008243714A (ja) Ｌｅｄ照明装置
US5036436A (en) Task light
CN105042444B (zh) 黑板led灯
CN1751207B (zh) 内置灯
EP1571392A3 (de) Kfz-Scheinwerfer
CN213542164U (zh) 扩散板、led照明模组、led台灯
US6719442B1 (en) Solar funnel shaped reflector
EP0675316A1 (de) Tisch- oder Stehleuchte mit hoher Beleuchtungsqualität
CN106062471B (zh) 照明器具、光源罩、光控制构件以及光源单元
US2205310A (en) Combined direct and indirect light and lighting system
CN111406178B (zh) 照明设备
US2499580A (en) Reflector bowl
JP2002352610A (ja) 照明具
CN211694467U (zh) 一种台灯
US6644830B2 (en) High output lamp softener
CN218095655U (zh) 一种黑板灯
JPH04307008A (ja) 面発光照明付陳列棚
CN205746129U (zh) 一种led球泡灯
CN209762804U (zh) 一种设有反光板的横头斜射台灯
TWI567340B (zh) A light source device using a point light source, and an illumination device for an optical reader using the same
CN217737111U (zh) 一种多功能照明装置
CN214663953U (zh) 一种轨道灯
US2035215A (en) Reflector

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE ES FR GB LI LU NL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19960404