EP2295848A2 - Appareil d'éclairage doté d'une distribution réglable de la lumière - Google Patents

Appareil d'éclairage doté d'une distribution réglable de la lumière Download PDF

Info

Publication number
EP2295848A2
EP2295848A2 EP10171563A EP10171563A EP2295848A2 EP 2295848 A2 EP2295848 A2 EP 2295848A2 EP 10171563 A EP10171563 A EP 10171563A EP 10171563 A EP10171563 A EP 10171563A EP 2295848 A2 EP2295848 A2 EP 2295848A2
Authority
EP
European Patent Office
Prior art keywords
illumination apparatus
led lighting
lighting source
shafts
shaft
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Withdrawn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
EP10171563A
Other languages
German (de)
English (en)
Other versions
EP2295848A3 (fr
Inventor
Chi-Chung Hu
Chih-Ming Lai
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.)
Foxsemicon Integrated Technology Inc
Original Assignee
Foxsemicon Integrated Technology Inc
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 Foxsemicon Integrated Technology Inc filed Critical Foxsemicon Integrated Technology Inc
Publication of EP2295848A2 publication Critical patent/EP2295848A2/fr
Publication of EP2295848A3 publication Critical patent/EP2295848A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the disclosure relates to illumination, and particularly to an illumination apparatus that can change its luminous distribution.
  • LEDs Light emitting diodes'
  • advantages such as high luminosity, low operational voltage, low power consumption, compatibility with integrated circuits, easy driving, long term reliability, and environmental friendliness have promoted their wide use as a light source.
  • light emitting diodes are commonly applied in environmental lighting.
  • the divergence angle of light is larger.
  • LED as a point lighting source requires revised optical design to change the luminous distribution.
  • the luminous distribution of LED commonly is a Lambertian distribution.
  • the Full Width at Half Maximum (FWHM) of the LED is within ⁇ 60°; such that Full Width at Half Maximum is 120°.
  • the illumination apparatus using the LED can change the luminous distribution from the Lambertian distribution.
  • FIG. 1 is a schematic view of an illumination apparatus in accordance with a first embodiment.
  • FIG. 2 is a schematic view of an illumination apparatus in accordance with a second embodiment.
  • FIG. 3 is a schematic view of a first operating state of the illumination apparatus in accordance with the second embodiment.
  • FIG. 4 is a schematic view of a second operating state of the illumination apparatus in accordance with the second embodiment.
  • FIG. 5 is a schematic view of a third operating state of the illumination apparatus in accordance with the second embodiment.
  • FIG. 6 is a schematic view of an illumination apparatus in accordance with a third embodiment.
  • FIG. 7 is a lateral view of the illumination apparatus in accordance with the third embodiment.
  • FIG. 8 is a schematic view of an illumination apparatus in accordance with a fourth embodiment.
  • FIG. 9 is a schematic view of a first operating state of the illumination apparatus in accordance with the fourth embodiment.
  • FIG. 10 is a schematic view of a second operating state of the illumination apparatus in accordance with the fourth embodiment.
  • FIG. 11 is a schematic view of the first operating state of the illumination apparatus in accordance with the fourth embodiment, in use as a streetlight.
  • FIG. 12 is a schematic view of a third operating state of the illumination apparatus in accordance with the fourth embodiment, in use as a streetlight.
  • FIG. 13 is a schematic view of an illumination apparatus in accordance with a fifth embodiment.
  • an illumination apparatus 100 includes a LED lighting source module 11 and a driving module 12.
  • the LED lighting source module 11 includes a substrate 111 and a plurality of LED lighting sources 112.
  • the substrate 111 has a circuit.
  • the plurality of LED lighting sources 112 are mounted on the substrate 111.
  • a plurality of electrodes of the LED lighting sources 112 electrically connect to the circuit on the substrate 111.
  • a heat dissipation device (not shown) can be attached to the substrate 111 at a side opposite to the LED lighting sources 112.
  • the LED lighting source module 11 can further include at least one optical element adjusting the luminous distribution of the LED lighting source 112, such as an optical lens or a reflector.
  • the lens is mounted on the light emitting surface of the LED lighting source 112. Light from which is emitted through the lens deflects at a specific angle.
  • the optical element is a reflector
  • the reflector is mounted on a side of the light emitting surface of the LED lighting source 112, altering the luminous distribution of the LED lighting source module 11.
  • the driving module 12 includes a driver 121 and a shaft 122 connecting thereto.
  • the shaft 122 is fixed on the side surface of the substrate 111.
  • the driver 121 rotates the shaft 122, and the substrate 111 accordingly, thus altering the illumination angle of the LED lighting source module 11.
  • the shaft 122 is at the geometric center axis of the substrate 111 to effectively rotate the substrate 111.
  • the shaft 122 needs not be limited to the geometric center axis and can be at any location of the side surface of the substrate 111.
  • an illumination apparatus 200 includes four LED lighting source modules 21, 22, 23, and 24, and a driving module 25.
  • the LED lighting source module 21 includes a substrate 211 and a plurality of LED lighting sources 212.
  • the LED lighting sources 212 are mounted on the substrate 211 having a circuit.
  • the electrodes of the LED lighting sources 212 are electrically connecting to the circuit on the substrate 211.
  • the driving module 25 includes four drivers 251, 252, 253, 254, and four shafts 255, 256, 257, 258.
  • the four drivers 251, 252, 253, and 254 are respectively connecting to the four shafts 255, 256, 257, and 258, and the four shafts 255, 256, 257, and 258 are respectively connecting to the four LED lighting source modules 21, 22, 23, and 24.
  • each luminous distribution of the LED lighting source modules 21, 22, 23, and 24 coordinates mutually and provides new luminous distribution of the illumination apparatus 200.
  • the illumination apparatus 200 further includes a supporting board 26 to which the driving module 25 and drivers 251, 252, 253, and 254 are fixed, separated by a predetermined distance.
  • the two outside LED lighting source modules 21 and 24 respectively rotate outwardly at an angle of 30° and the illumination angles of the two middle LED lighting source modules 22 and 23 are fixed, such that the luminous distribution of the illumination apparatus 200 is altered.
  • FIG. 4 shows another operating state of the illumination apparatus 200 in this embodiment.
  • the two adjacent interior LED lighting source modules 22 and 23 rotate outwardly at an angle of 30° and the two outside LED lighting source modules 21 and 24 respectively rotate outwardly at an angle of 45°, altering luminous distribution of the illumination apparatus 200.
  • the illumination apparatus 200 further includes two more LED lighting source modules 26 and 27, with drivers and shafts corresponding thereto (not shown).
  • the two interior LED lighting source modules 23 and 24 rotate outwardly at an angle of 35°
  • the middle LED lighting source modules 22 and 26 rotate outwardly at an angle of 55°
  • the two outside LED lighting source modules 21 and 27 respectively rotate outwardly at an angle of 70° altering luminous distribution of the illumination apparatus 200.
  • an illumination apparatus 300 of a third embodiment includes two LED lighting source modules 31 and 32, and a driving module 33.
  • the structures of the LED lighting source modules 31 and 32 are the same as the first embodiment.
  • the driving module 33 includes a driver 331 and two shafts 332 and 333 respectively connecting to two LED lighting source modules 31 and 32.
  • the shafts 332 and 333 have wheel gears 334 and 335.
  • the wheel gear 334 and the wheel gear 335 engage.
  • the driver 331 connects to the shaft 332, such that one driver 331 can rotate two LED lighting source modules 31 and 32 and change the angle of illumination.
  • the driver 331 can also be connected to the shaft 333 and rotate the two LED lighting source modules 31 and 32. Moreover, three or more lighting source modules can be deployed, with the number of shafts corresponding thereto. Each shaft has a wheel gear, engaging that of adjacent shafts, such that a single driver can drive all of the lighting source modules.
  • the wheel gear of each shaft can be replaced by an annular rubber ring contacting that of adjacent shafts.
  • the driver fixed and driving one of the shafts, by friction force, drives other shafts.
  • the illumination apparatus 400 in accordance with a fourth embodiment includes two LED lighting source modules 41 and 42, and a driving module 43.
  • the structures of the LED lighting source modules 41 and 42 are the same as those of the first embodiment.
  • the driving module 43 includes two drivers (not shown) and two shafts 433 and 434.
  • the two drivers respectively rotate the shafts 433, 434.
  • the driving module 43 further includes two connecting rods 435 and 436, by which the shafts 433 and 434 respectively connect to two LED lighting source modules 41 and 42.
  • Shaft 433 has a C-shaped cross-section and the shape of the shaft 434 has an O-shaped cross-section, wherein the O-shaped shaft 434 is enveloped in the C-shaped shaft 433.
  • the two shafts 433 and 434 can rotate between each other independently The angle of rotation is limited to the opening size of the C-shaped shaft 433. Basically, the opening size of the C-shaped shaft 433 is designed for the O-shaped shaft 434 can not fall off the C-shaped shaft 433.
  • FIG. 9 and FIG. 10 respectively show two operating states of the illumination apparatus 400.
  • FIG. 9 shows the two LED lighting source modules 41 and 42 rotating upwardly
  • FIG.10 shows the two LED lighting source modules 41 and 42 rotating downwardly
  • FIG. 11 and FIG. 12 show operating states of the illumination apparatus 400 applied in use as a streetlight.
  • the illumination apparatus 400 further includes a pole 44 supporting the LED lighting source modules 41 and 42, and a driving module 43.
  • the illumination angles of the two LED lighting source modules 41 and 42 are as in general use, such as ⁇ 1.
  • the driving module 43 drives LED lighting source module 42 on the car end to rotate to an angle of ⁇ 2 to avoid glare from the LED lighting source module 42, wherein ⁇ 1> ⁇ 2.
  • the angle of the LED lighting source module 41 is unchanged, as referring to FIG. 12 .
  • the included angle between the light from the LED lighting source 42 and the front view of the driver decreases.
  • ⁇ 2 ⁇ 45° helps prevent glare.
  • the illumination apparatus 400 can further include a detection device detecting the current conditions.
  • a detection device detecting the current conditions.
  • FIG. 13 is a schematic view of a system of an illumination apparatus 500 in accordance with a fifth embodiment.
  • the illumination apparatus 500 includes a detection device 511, a processor 512, a storage unit 513, a driver 514 and a LED lighting source module 515.
  • the detection device 511 is employed for detecting current conditions.
  • the detection device 511 outputs the data corresponding to the environment to the processor 512.
  • the detection device 511 can be a heat detection device detecting the heat source of the people, animal or car.
  • the processor 512 receives a signal from the detection device 511 detecting situation of the environment. According to the current conditions detected by the detection device 511, the processor 512 chooses a different operation mode from the storage unit 513 and controls the driver 514, thereby altering luminous distribution of the lighting source module.
  • the storage unit 513 stores different illumination modes of the LED lighting source module 515. Each of the different illumination modes corresponds to different road conditions.
  • an illumination angle of the LED lighting source module 515 can be adjusted in accordance with the different situation of the road surface and luminous distribution can be altered.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP10171563A 2009-09-11 2010-08-02 Appareil d'éclairage doté d'une distribution réglable de la lumière Withdrawn EP2295848A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009103069101A CN102022638A (zh) 2009-09-11 2009-09-11 照明装置

Publications (2)

Publication Number Publication Date
EP2295848A2 true EP2295848A2 (fr) 2011-03-16
EP2295848A3 EP2295848A3 (fr) 2013-02-13

Family

ID=43296982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10171563A Withdrawn EP2295848A3 (fr) 2009-09-11 2010-08-02 Appareil d'éclairage doté d'une distribution réglable de la lumière

Country Status (4)

Country Link
EP (1) EP2295848A3 (fr)
JP (1) JP2011060763A (fr)
KR (1) KR20110028214A (fr)
CN (1) CN102022638A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012159744A3 (fr) * 2011-05-24 2013-05-16 Naseri Morteza Mobalegh Appareil d'éclairage, en particulier appareil d'éclairage public à diodes électroluminescentes
EP2518398A3 (fr) * 2011-04-28 2013-08-07 Zumtobel Lighting GmbH Agencement d'émission de lumière modifiable
WO2013136217A1 (fr) * 2012-03-13 2013-09-19 Koninklijke Philips N.V. Dispositif d'éclairage, luminaire et système d'éclairage
ITUB20155907A1 (it) * 2015-11-05 2017-05-05 Gianluca Capodicasa Lampada regolabile con luce led denominata regula
EP3505820A4 (fr) * 2016-09-08 2019-07-03 Kilt Planning Office Inc. Système d'émission de lumière de surface, système d'éclairage et procédé de reproduction d'espace d'éclairage
CN111594805A (zh) * 2020-05-22 2020-08-28 季华实验室 一种多光谱led光源柔性调节装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113495414A (zh) * 2020-03-20 2021-10-12 深圳光峰科技股份有限公司 投影设备及其投影控制方法
CN112228784A (zh) * 2020-10-15 2021-01-15 深圳信息职业技术学院 搜索灯及搜索照明系统
KR102525951B1 (ko) * 2021-05-03 2023-04-26 우성묵 발광각도가 조절된 가로등 조명장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2155319Y (zh) * 1993-05-20 1994-02-09 宋道宏 汽车夜间会车自动变光器
US7311423B2 (en) * 2005-09-21 2007-12-25 Awi Licensing Company Adjustable LED luminaire
CN101315165B (zh) * 2007-05-28 2011-04-20 元瑞科技股份有限公司 照明装置
ITPR20070078A1 (it) * 2007-10-16 2009-04-17 Coemar Spa Proiettore per illuminazione di superfici e generazione di effetti luminosi
CN101520145A (zh) * 2009-03-05 2009-09-02 南京汉德森科技股份有限公司 角度可调的模块化led路灯

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2518398A3 (fr) * 2011-04-28 2013-08-07 Zumtobel Lighting GmbH Agencement d'émission de lumière modifiable
WO2012159744A3 (fr) * 2011-05-24 2013-05-16 Naseri Morteza Mobalegh Appareil d'éclairage, en particulier appareil d'éclairage public à diodes électroluminescentes
WO2013136217A1 (fr) * 2012-03-13 2013-09-19 Koninklijke Philips N.V. Dispositif d'éclairage, luminaire et système d'éclairage
ITUB20155907A1 (it) * 2015-11-05 2017-05-05 Gianluca Capodicasa Lampada regolabile con luce led denominata regula
EP3505820A4 (fr) * 2016-09-08 2019-07-03 Kilt Planning Office Inc. Système d'émission de lumière de surface, système d'éclairage et procédé de reproduction d'espace d'éclairage
US10697619B2 (en) 2016-09-08 2020-06-30 Kilt Planning Office Inc. Surface light emission system, lighting system, and lighting space reproduction method
CN111594805A (zh) * 2020-05-22 2020-08-28 季华实验室 一种多光谱led光源柔性调节装置
CN111594805B (zh) * 2020-05-22 2022-06-21 季华实验室 一种多光谱led光源柔性调节装置

Also Published As

Publication number Publication date
CN102022638A (zh) 2011-04-20
KR20110028214A (ko) 2011-03-17
EP2295848A3 (fr) 2013-02-13
JP2011060763A (ja) 2011-03-24

Similar Documents

Publication Publication Date Title
EP2295848A2 (fr) Appareil d'éclairage doté d'une distribution réglable de la lumière
AU2013100835A4 (en) Smart led light device with light color automatically changeable
US6485160B1 (en) Led flashlight with lens
US8299693B2 (en) Lamp device of high heat dissipation efficiency
JP4310332B2 (ja) 回転表示灯
US8398284B1 (en) Sequential automotive lamp apparatus and methods of making and using the same
US9115876B1 (en) LED light having LED cluster arrangements
US20140063832A1 (en) Led lamp for car use
US7357533B2 (en) Light-emitting diode lighting device
US20110025485A1 (en) Heat Dissipation System for Headlight
US20100002445A1 (en) Light emitting diode streetlight apparatus
KR20160048377A (ko) 레이저 조명을 이용한 턴 시그널 램프 장치
KR20090081096A (ko) 엘이디 조명장치
JP2007214100A (ja) 発光ダイオードを使った照明装置
KR101202289B1 (ko) 가로등유닛
CN102221170B (zh) 用于照明装置的灯体单元以及照明装置
US8403540B2 (en) Lighting device
CN112639353B (zh) 使用半导体发光器件的车辆灯
GB2517948A (en) Adjustable light system with piezo actuator
TWI381124B (zh) Ｌｅｄ照明裝置
CN101749626A (zh) 一种led汽车照明灯具
CN2662268Y (zh) 环形发光二极管照明灯
CN204097908U (zh) 一种节能多功能自发电道钉
US20120294035A1 (en) Light emitting diode lamp
US20220314867A1 (en) Vehicle lighting device, vehicle invisible light projection device, and target object detection device

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: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME RS

RIC1 Information provided on ipc code assigned before grant

Ipc: F21K 99/00 20100101ALI20130110BHEP

Ipc: F21V 21/30 20060101ALI20130110BHEP

Ipc: F21S 8/00 20060101AFI20130110BHEP

Ipc: F21V 14/02 20060101ALI20130110BHEP

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: 20130814