EP2003392A2 - Dispositif d'illumination - Google Patents

Dispositif d'illumination Download PDF

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Publication number
EP2003392A2
EP2003392A2 EP07118936A EP07118936A EP2003392A2 EP 2003392 A2 EP2003392 A2 EP 2003392A2 EP 07118936 A EP07118936 A EP 07118936A EP 07118936 A EP07118936 A EP 07118936A EP 2003392 A2 EP2003392 A2 EP 2003392A2
Authority
EP
European Patent Office
Prior art keywords
brightness
light
illumination device
control
illumination
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Withdrawn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
EP07118936A
Other languages
German (de)
English (en)
Other versions
EP2003392A3 (fr
Inventor
Hon-Lun Chen
Kuo-Hsin Teng
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.)
Prodisc Technology Inc
Original Assignee
Prodisc 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 Prodisc Technology Inc filed Critical Prodisc Technology Inc
Publication of EP2003392A2 publication Critical patent/EP2003392A2/fr
Publication of EP2003392A3 publication Critical patent/EP2003392A3/fr
Withdrawn legal-status Critical Current

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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
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • 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
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • 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 invention relates to an illumination device and, in particular, to an illumination device having light-emitting diodes (LEDs).
  • LEDs light-emitting diodes
  • Illustration devices are indispensable in many articles for daily use.
  • illumination devices such as incandescent lamps, desktop lamps, hanging lamps, wall lamps, or neon lights have become very popular. They can not only brighten the dark but also blossom people's lives.
  • FIG. 1 shows the structure of a conventional desktop lamp 1, which has a base 11, support unit 12 and an illumination unit 13.
  • the support unit 12 is disposed on the base 11, and the illumination unit 13 is fixed on the support unit 12.
  • the illumination unit 13 has a lamp 131 and a lampshade 132.
  • the lamp 131 can emit light for illustration, and the lampshade 132 covers and protects the lamp 131.
  • the lampshade 132 makes the light emitted from the lamp 131 downward.
  • the base 11 has a switch 111 and a knob 112.
  • the switch 111 is electrically connected to an external power line 14 for turning on or turning off the lamp 131.
  • a power line 121 is disposed in the support unit 12 for electrically connecting the knob 112 and the lamp 131 of the illumination unit 13.
  • the conventional illumination device usually has the light source of a single color, so that the customers do not have further choices for the light source. Therefore, it is an important subject of the invention to provide an illumination device that can provide the control of its lighting intensities of different color lights.
  • the invention is to provide an illumination device that can provide the control of its lighting intensities of different color lights.
  • the invention discloses an illumination device including an illumination unit and a control unit.
  • the illumination unit has a plurality of light-emitting diodes (LEDs) emitting different colors of light and disposed adjacent to each other.
  • the control unit is electrically connected with the LEDs for controlling the LEDs.
  • the illumination device of the invention has the control unit for controlling the LEDs to emit light of different colors.
  • the LED has the advantages of low power consumption, long lifetime, good color saturation, high light-emitting efficiency, and adjustable color temperature.
  • the LED also provides stable light, increases its usage rate, saves energy, and reduces the cost.
  • the invention uses a control unit to control the LEDs emitting light of different colors, so that the user can control the desired brightness and color. Accordingly, the illumination device of the invention has good practicability and attracts the user's attention.
  • FIG. 1 is a schematic view showing the structure of a conventional illumination device
  • FIG. 2 is a schematic view showing the structure of an illumination device according to a preferred embodiment of the invention.
  • FIGS. 3A to 3C are schematic views showing different aspects of the control unit shown in FIG. 2 ;
  • FIGS. 4A to 4C are schematic views showing the operations of the control unit shown in FIG. 3A
  • FIG. 2 shows the structure of an illumination device 2 according to a preferred embodiment of the invention.
  • the illumination device 2 can be a desktop lamp, a wall lamp, a hanging lamp, an incandescent lamp or a neon light.
  • the illumination device 2 is, for example, a desktop lamp.
  • the illumination device 2 includes an illumination unit 21 and a control unit 22 that are electrically connected with each other.
  • the illumination unit 21 is disposed inside a lampshade A, which is disposed over a base D.
  • the control unit 22 is disposed on a surface D1 of the base D.
  • the illumination unit 21 provides the light for illumination.
  • the illumination unit 21 has several light emitting diodes (LEDs) 211 disposed on a circuit board 212.
  • the LEDs 211 include at least one red LED, at least one green LED, at least one blue LED, at least one yellow LED or at least one white-light LED.
  • the LEDs 211 can be any color or a mixture of several colors according to the user's need.
  • the LEDs 211 are disposed adjacent to each other, and emit light of different colors that are mixed in different proportions to provide desired color light. Therefore, in addition to white light, light of different colors can be produced to achieve certain effects.
  • the control unit 22 has a brightness control area 221, a display area 222 and a switch 223.
  • the bright control area 221 is electrically connected with the circuit board 212 of the illumination unit 21 for adjusting the brightness or lighting intensity of each LED 211, such as the green, blue, yellow or white-light LED.
  • the control unit 22 can have different shape embodiments that are described below.
  • FIGS. 3A to 3C are schematic views of different aspects of the control unit 22 in FIG. 2 .
  • the brightness control area 221a/221c of the control unit 22a/22c is a touch-control panel.
  • the brightness control area 221b of the control unit 22b is a knob.
  • the user can use his/her finger or a touch-control pen to touch the brightness control area 221a/221c, thereby controlling the brightness and spectrum of the LEDs 211 in the illumination unit 21.
  • the brightness control area 221c is a knob
  • the user can turn it to adjust the brightness, spectrum and color temperature of the LEDs 211 in the illumination unit 21.
  • the shape of the brightness control area 221 is not restricted by the invention. It can have a stripe shape (as shown in FIGS. 3A and 3C ), a saw shape (not shown), a spiral shape (not shown), a circular shape (not shown), a W shape (not shown), a Z shape (not shown), an e shape (not shown), or some irregular shapes.
  • the brightness control area 221a can have different brightness control ranges according to the LEDs 211 of different colors in the illumination unit 21.
  • the illumination unit 21 may include three LEDs 211, which respectively emit light of wavelengths 430nm, 555nm, and 630nm (Red, Green and Blue). If the illumination device 2 is used as a desktop lamp, the red, green and blue light emitted by the LEDs 211 can be mixed to form a white light, yellow light or any preferred color light depending on the applied current. If the illumination device 2 is used as the neon light of specific color, the lighting intensities of, for example, the red or green light can be increased to form the slight-red light or slight-green light.
  • the brightness control area 221b can have a knob for controlling the brightness of the LEDs 211 of each color or the mixture brightness of all the LEDs 211.
  • control unit 22 can further adjust the color temperature of the LEDs 211 of different colors using a control circuit (not shown) that is in electrical connection with the circuit board 212 of the illumination unit 21.
  • the illumination unit 21 has LED series of red, green and blue colors (not shown). The LED series are connected in parallel via a resistor (not shown). The user can adjust the magnitudes of electrical currents flowing through the LED series by changing the resistance of the resistors.
  • the user can use the above method or other conventional circuit control method to control the LEDs or LED series of different colors in the illumination unit 21 for rendering different brightness and color temperature. This produces different effects in order to suit seasonal changes or personal tastes.
  • the brightness control area 221c is divided into several sections, each of which represents a distinct brightness level.
  • the number of sections can be adjusted according to practical needs. This allows the user to readily determine the required brightness using the sections shown in the brightness control area 221c.
  • the brightness can be touch-controlled as well.
  • the user when the user wants to change the brightness from level 1 to level 3, he or she can touch the first section C1 in the brightness control area 221c and move to the third section C3, according to the definition of a circuit board (not sown) of the control unit 22c.
  • the brightness increases along the direction from the first section C1 to the sixth section C6.
  • the user can touch any section in the brightness control area 221c and move a distance of two sections in the brightness control area 221b. This also changes the brightness of the illumination unit 21 from the original level 1 to level 3.
  • the user can also directly touch the third section C3 in the brightness control area 221c to change the brightness of the green light source to the level 3.
  • the user has several ways to change the brightness of the illumination unit 21 using the brightness control area 221c. Any other way of changing the brightness of the illumination unit 21 using the touch-control method should be construed as part of the invention.
  • the display area 222 is electrically connected with the illumination unit 21 for displaying the brightness level thereof.
  • the display area 222 can be a liquid crystal display (LCD) panel (222a in FIG. 3A and 222b in FIG. 3B ), several light sources (not shown), or the combination of a display panel and LEDs (222c in FIG. 3C ).
  • LCD liquid crystal display
  • the display area 222 receives a change in the brightness of the illumination unit 21, as shown in FIGS. 3A or 3B , the brightness level of the illumination unit 21 is shown on the LCD panel.
  • FIG. 3C such brightness level can be represented by the number of LEDs that are turned on.
  • the display panel and the LEDs can be simultaneously used to show the brightness level of the illumination unit 21.
  • the brightness level can be indicated by the color brightness.
  • the brightness level can be indicated by numbers (as shown in FIG. 3C ).
  • the display panel can use both methods at the same time. In other words, any method that uses the display panel to show the brightness level of the illumination unit 21 should be construed as part of the invention.
  • the switch 223 is electrically connected with a power input terminal 224 of the control unit 22 in order to electrically connect with an external power line 23. This controls the on and off of the illumination device 2.
  • the switch 223 can be a knob switch (223a in FIG. 3A ), a touch-control switch (223b in FIG. 3B ), or a button switch (223c in FIG. 3C ). Besides, the switch 223 can be disposed at any position.
  • the control unit 22 may further have a situation touch-control area (not shown).
  • the situation touch-control area has several touch-control buttons (not shown) for different situations.
  • the illumination unit 21 consists of several red, blue and green LEDs
  • the situation touch-control area has an illumination situation button, a read situation button, a sleep situation button and a candle situation button. They use predetermined parameter values to mix light of different colors and brightness, so that the user can press any of the situation buttons to quickly obtain desired brightness and color light.
  • the illumination unit 21 includes a plurality of red LEDs, green LEDs and blue LEDs (not shown), and the LEDs are disposed adjacent to each other.
  • the user turns the switch 223a of the control unit 22a so as to enable the illumination device 2.
  • the brightness of the illumination device 2 can be controlled by the actions of touching the stripes R, G or B in brightness control area 221a and sliding toward desired directions.
  • the illumination device of the invention has the control unit for controlling the LEDs to emit light of different colors.
  • the LED has the advantages of low power consumption, long lifetime, good color saturation, high light-emitting efficiency, and adjustable color temperature.
  • the LED also provides stable light, increases its usage rate, saves energy, and reduces the cost.
  • the invention uses a control unit to control the LEDs emitting light of different colors, so that the user can control the desired brightness and color. Accordingly, the illumination device of the invention has good practicability and attracts the user's attention.
EP07118936A 2007-06-11 2007-10-19 Dispositif d'illumination Withdrawn EP2003392A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007101111181A CN101324308A (zh) 2007-06-11 2007-06-11 照明装置

Publications (2)

Publication Number Publication Date
EP2003392A2 true EP2003392A2 (fr) 2008-12-17
EP2003392A3 EP2003392A3 (fr) 2009-07-15

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Family Applications (1)

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EP07118936A Withdrawn EP2003392A3 (fr) 2007-06-11 2007-10-19 Dispositif d'illumination

Country Status (2)

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EP (1) EP2003392A3 (fr)
CN (1) CN101324308A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131179A1 (fr) * 2009-05-13 2010-11-18 Koninklijke Philips Electronics N.V. Transition brusque dans un anneau de guide de lumière circulaire pour interface utilisateur à fonctionnalités ayant un début et une fin clairs
FR2947612A1 (fr) * 2009-07-06 2011-01-07 Naotek Luminaire d'orchestre a temperature de couleur ajustable
JP2013115039A (ja) * 2011-11-24 2013-06-10 Lextar Electronics Corp 調光装置及びそれを備えるライトシステム
CN105530727A (zh) * 2016-02-02 2016-04-27 刘顺 一种双感应式led壁灯
EP3379903A4 (fr) * 2015-12-21 2019-08-07 Shenzhen Royole Technologies Co. Ltd. Appareil de commande de commutateur et procédé de commande de commutateur
CN111649252A (zh) * 2020-06-29 2020-09-11 曾国庆 一种自动调节灯光的led灯

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635789B (zh) * 2011-02-10 2014-11-26 鹤山市银雨照明有限公司 一种led日光灯管
CN102781135A (zh) * 2011-05-13 2012-11-14 君曜科技股份有限公司 调色盘编码方法与系统
CN102889493A (zh) * 2011-07-20 2013-01-23 上海亮硕光电子科技有限公司 一种色温可调的led台灯
CN102927491B (zh) * 2012-11-02 2016-04-06 深圳三马电器有限公司 一种变色台灯
CN102980106A (zh) * 2012-12-06 2013-03-20 程建英 多功能床头灯
CN103322498A (zh) * 2013-04-07 2013-09-25 苏州科大微龙信息技术有限公司 一种led护眼台灯
CN104141905B (zh) * 2013-05-07 2016-09-07 苏州欧普照明有限公司 一种灯具
CN105627262A (zh) * 2015-12-25 2016-06-01 苏州拾向梦数字媒体有限公司 智能互动触板系统
JP2020500408A (ja) * 2016-11-24 2020-01-09 シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． 照明コントローラ
CN108882472A (zh) * 2017-05-08 2018-11-23 怀化学院 一种光控路灯控制器及其控制方法
CN107091463A (zh) * 2017-05-20 2017-08-25 金勇� 一种变亮度灯罩

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US20060064144A1 (en) * 2004-06-25 2006-03-23 Chen Joshua Q Programmable multifunction table lamp for light therapy
US20060076908A1 (en) * 2004-09-10 2006-04-13 Color Kinetics Incorporated Lighting zone control methods and apparatus
WO2006129256A2 (fr) * 2005-06-01 2006-12-07 Koninklijke Philips Electronics, N.V. Echelle ensoleille-nuageux permettant de regler la temperature de couleur de lumieres blanches
EP1623602B1 (fr) * 2003-05-07 2007-03-07 Koninklijke Philips Electronics N.V. Interface utilisateur pour la commande de diodes electroluminescentes
US20070052376A1 (en) * 2005-08-09 2007-03-08 Wei-Chiang Lee Full-color led-based lighting device
EP1785665A1 (fr) * 2005-11-14 2007-05-16 TRUMPF Kreuzer Medizin Systeme GmbH + Co. KG Lampe chirurgicale
WO2007069185A1 (fr) * 2005-12-12 2007-06-21 Koninklijke Philips Electronics N.V. Ensemble lampe
WO2007072294A1 (fr) * 2005-12-22 2007-06-28 Koninklijke Philips Electronics N.V. Agencement de boutons pour controleur d'eclairage colore
US20080291673A1 (en) * 2007-05-22 2008-11-27 Prodisc Technology Inc. Illumination device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1623602B1 (fr) * 2003-05-07 2007-03-07 Koninklijke Philips Electronics N.V. Interface utilisateur pour la commande de diodes electroluminescentes
US20060064144A1 (en) * 2004-06-25 2006-03-23 Chen Joshua Q Programmable multifunction table lamp for light therapy
US20060076908A1 (en) * 2004-09-10 2006-04-13 Color Kinetics Incorporated Lighting zone control methods and apparatus
WO2006129256A2 (fr) * 2005-06-01 2006-12-07 Koninklijke Philips Electronics, N.V. Echelle ensoleille-nuageux permettant de regler la temperature de couleur de lumieres blanches
US20070052376A1 (en) * 2005-08-09 2007-03-08 Wei-Chiang Lee Full-color led-based lighting device
EP1785665A1 (fr) * 2005-11-14 2007-05-16 TRUMPF Kreuzer Medizin Systeme GmbH + Co. KG Lampe chirurgicale
WO2007069185A1 (fr) * 2005-12-12 2007-06-21 Koninklijke Philips Electronics N.V. Ensemble lampe
WO2007072294A1 (fr) * 2005-12-22 2007-06-28 Koninklijke Philips Electronics N.V. Agencement de boutons pour controleur d'eclairage colore
US20080291673A1 (en) * 2007-05-22 2008-11-27 Prodisc Technology Inc. Illumination device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131179A1 (fr) * 2009-05-13 2010-11-18 Koninklijke Philips Electronics N.V. Transition brusque dans un anneau de guide de lumière circulaire pour interface utilisateur à fonctionnalités ayant un début et une fin clairs
US9084329B2 (en) 2009-05-13 2015-07-14 Koninklijke Philips N.V. Lighting control device having a touch sensitive user interface
RU2562097C2 (ru) * 2009-05-13 2015-09-10 Конинклейке Филипс Электроникс Н.В. Резкий переход в круговом световодном кольце для пользовательского интерфейса с функциональными возможностями с определенным началом и концом
FR2947612A1 (fr) * 2009-07-06 2011-01-07 Naotek Luminaire d'orchestre a temperature de couleur ajustable
EP2273187A1 (fr) * 2009-07-06 2011-01-12 Naotek Luminaire d'orchestre à température de couleur ajustable
JP2013115039A (ja) * 2011-11-24 2013-06-10 Lextar Electronics Corp 調光装置及びそれを備えるライトシステム
EP3379903A4 (fr) * 2015-12-21 2019-08-07 Shenzhen Royole Technologies Co. Ltd. Appareil de commande de commutateur et procédé de commande de commutateur
CN105530727A (zh) * 2016-02-02 2016-04-27 刘顺 一种双感应式led壁灯
CN111649252A (zh) * 2020-06-29 2020-09-11 曾国庆 一种自动调节灯光的led灯

Also Published As

Publication number Publication date
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CN101324308A (zh) 2008-12-17

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