EP2136123A1 - Lamp structure - Google Patents

Lamp structure Download PDF

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Publication number
EP2136123A1
EP2136123A1 EP09401010A EP09401010A EP2136123A1 EP 2136123 A1 EP2136123 A1 EP 2136123A1 EP 09401010 A EP09401010 A EP 09401010A EP 09401010 A EP09401010 A EP 09401010A EP 2136123 A1 EP2136123 A1 EP 2136123A1
Authority
EP
European Patent Office
Prior art keywords
light emitting
lamp
reflector
emitting source
lamp structure
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Withdrawn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
EP09401010A
Other languages
German (de)
French (fr)
Inventor
Che-Kai Chen
Yao-Hung Wong
Sam Wu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2136123A1 publication Critical patent/EP2136123A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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 present invention relates to a lamp structure, and more particularly to a lamp structure with focused bright light, its illumination angle is as large as 180 degrees, and the lamp has a long life, good heat dissipation and is environmental friendly.
  • the present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
  • the primary objective of the present invention is to provide a lamp structure with focused bright light, its illumination angle is as large as 180 degrees, and the lamp has a long life, good heat dissipation and is environmental friendly.
  • the lamp structure provided in accordance with the present invention comprises:
  • the light emitting diode is of any color and is high power.
  • FIG. 1 is an exploded view of a lamp structure in accordance with a preferred embodiment of the present invention.
  • the lamp structure comprises: a slim light emitting source 1, a reflector 2, a flat lens 3, a lamp housing 4 and a driver 5.
  • the light emitting source 1 includes one or more high power LED (light emitting diode) 10 packaged on a MPCB (multilayered printed circuit board) aluminum base 11, and the LED 10 can be of any color.
  • MPCB multilayered printed circuit board
  • the LED 10 can be of any color.
  • Around the periphery of the aluminum base 11 are oppositely arranged two locking grooves 12 for passage and electrical connection of the positive and negative leads 50 of the driver 5 and a plurality of gaps 13 for making it easier to take out the light emitting source 1 from the lamp housing 4 when replacement is required.
  • the reflector 2 is funnel-shaped and concaved toward the center thereof, in the bottom of the reflector 2 are defined one or more holes 20 for accommodation of a part of the surface of the LED 10, and the inner surface of the reflector 2 is coated to form a light reflecting surface for adjusting the illumination angle, eliminating shade, and focusing the light generated from the light source while preventing waste of light.
  • the surface of the flat lens 3 is treated with sand blast to blend the light source and carry out luminous reflectance, so that the illumination angle can be adjusted up to 180 degrees, ghosting is prevented, and the light source is emitted out in a focused way.
  • the lamp housing 4 includes a receiving chamber 40, one end of which is accommodated with the slim light emitting source 1, the reflector 2, and the flat lens 13, respectively, and the other end of which is provided for insertion of the driver 50.
  • the outer surface of the lamp housing 4 is formed with a plurality of heat dissipation fins 41.
  • the driver 5 is inserted in the other end of the lamp 4 and has positive and negative leads 50 connected to the slim light emitting source 1 for making it to produce light.
  • Fig. 2 which is a perspective view of a lamp structure in accordance with the preferred embodiment of the present invention
  • the light emitting source 1 is inserted in the receiving chamber 40 of the lamp housing 4, and then the reflector 2 is inserted with its holes 20 aligned and engaged with the LEDs 10.
  • the flat lens 3 is assembled, and then the driver 5 is inserted into the other end of the receiving chamber 40 with its positive and negative leads extending into electrical contact with the light emitting source 1, as shown in Figs. 3 and 4 , thus forming a lamp.
  • the operating voltage of the lamp is 12 V, and because of the high power LEDs 10, the light emitting source 1 will produce bright enough light and has a long life.
  • the reflector 2 can adjust the illumination angle of the LEDs 10, illuminate shade, and focus the light of the light emitting source.
  • the sand blasted flat lens 3 can blend the light emitting source to have an illumination angle of 180 degrees, and thus ghosting is prevented.
  • the fins 41 around the outer periphery of the lamp housing 4 can effectively improve the heat dissipation efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

A lamp structure comprises: a slim light emitting source including at least one LED (10) packaged on a multilayered printed circuit board type aluminum base (11); a funnel-shaped reflector (2) being concaved toward a center thereof and defined with at least one hole (20) for partially accommodating the LED (10), and an inner surface of the reflector (2) being coated to form a light reflecting surface; a flat lens (3) whose surface being treated with sand blast; a lamp housing (4) with a receiving chamber (40) for accommodation of the slim light emitting source, the reflector, the flat lens, and a driver (5), the lamp housing (4) being formed with a plurality of heat dissipation fins (41); and the driver (5) inserted in the other end of the receiving chamber of the lamp and having a positive and negative leads connected to the slim light emitting source for enabling it to produce light.

Description

    BACKGROUND OF THE INVENTION Field of the Invention
  • The present invention relates to a lamp structure, and more particularly to a lamp structure with focused bright light, its illumination angle is as large as 180 degrees, and the lamp has a long life, good heat dissipation and is environmental friendly.
    • Description of the Prior Art
  • Conventional lights, not matter wall or ceiling type, are all big in size and occupy a lot space. On top of that, if the light itself doesn't have an appealing appearance and a well-designed shape, it can't be in harmony with the surrounding decorations.
  • The present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
    • SUMMARY OF THE INVENTION
  • The primary objective of the present invention is to provide a lamp structure with focused bright light, its illumination angle is as large as 180 degrees, and the lamp has a long life, good heat dissipation and is environmental friendly.
  • To achieve the above objective, the lamp structure provided in accordance with the present invention comprises:
    • a slim light emitting source including at least one light emitting diode packaged on a multilayered printed circuit board type aluminum base;
    • a funnel-shaped reflector being concaved toward a center thereof, in a bottom of the reflector being defined at least one hole for partially accommodating a surface of the light emitting diode, and an inner surface of the reflector being coated to form a light reflecting surface;
    • a flat lens whose surface being treated with sand blast;
    • a lamp housing including a receiving chamber, one end of which being accommodated with the slim light emitting source, the reflector, and the flat lens, respectively, and the other end of which being provided for insertion of a driver, an outer surface of the lamp housing being formed with a plurality of heat dissipation fins; and
    • the driver being inserted in the other end of the receiving chamber of the lamp and having a positive and negative leads connected to the slim light emitting source for making it produce light.
  • The light emitting diode is of any color and is high power.
    • BRIEF DESCRIPTION OF THE DRAWINGS
    • Fig. 1 is an exploded view of a lamp structure in accordance with a preferred embodiment of the present invention;
    • Fig. 2 is a perspective view of the lamp structure in accordance with the preferred embodiment of the present invention;
    • Fig. 3 is a cross sectional view of the lamp structure in accordance with the preferred embodiment of the present invention; and
    • Fig. 4 is another cross sectional view of the lamp structure in accordance with the preferred embodiment of the present invention.
    DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The present invention will be clearer from the following description when viewed together with the accompanying drawings, which show, for purpose of illustrations only, the preferred embodiment in accordance with the present invention.
  • Referring to Fig. 1, which is an exploded view of a lamp structure in accordance with a preferred embodiment of the present invention. The lamp structure comprises: a slim light emitting source 1, a reflector 2, a flat lens 3, a lamp housing 4 and a driver 5.
  • The light emitting source 1 includes one or more high power LED (light emitting diode) 10 packaged on a MPCB (multilayered printed circuit board) aluminum base 11, and the LED 10 can be of any color. Around the periphery of the aluminum base 11 are oppositely arranged two locking grooves 12 for passage and electrical connection of the positive and negative leads 50 of the driver 5 and a plurality of gaps 13 for making it easier to take out the light emitting source 1 from the lamp housing 4 when replacement is required.
  • The reflector 2 is funnel-shaped and concaved toward the center thereof, in the bottom of the reflector 2 are defined one or more holes 20 for accommodation of a part of the surface of the LED 10, and the inner surface of the reflector 2 is coated to form a light reflecting surface for adjusting the illumination angle, eliminating shade, and focusing the light generated from the light source while preventing waste of light.
  • The surface of the flat lens 3 is treated with sand blast to blend the light source and carry out luminous reflectance, so that the illumination angle can be adjusted up to 180 degrees, ghosting is prevented, and the light source is emitted out in a focused way.
  • The lamp housing 4 includes a receiving chamber 40, one end of which is accommodated with the slim light emitting source 1, the reflector 2, and the flat lens 13, respectively, and the other end of which is provided for insertion of the driver 50. The outer surface of the lamp housing 4 is formed with a plurality of heat dissipation fins 41.
  • The driver 5 is inserted in the other end of the lamp 4 and has positive and negative leads 50 connected to the slim light emitting source 1 for making it to produce light.
  • As shown in Fig. 2, which is a perspective view of a lamp structure in accordance with the preferred embodiment of the present invention, the light emitting source 1 is inserted in the receiving chamber 40 of the lamp housing 4, and then the reflector 2 is inserted with its holes 20 aligned and engaged with the LEDs 10. After that, the flat lens 3 is assembled, and then the driver 5 is inserted into the other end of the receiving chamber 40 with its positive and negative leads extending into electrical contact with the light emitting source 1, as shown in Figs. 3 and 4, thus forming a lamp.
  • When in use, the operating voltage of the lamp is 12 V, and because of the high power LEDs 10, the light emitting source 1 will produce bright enough light and has a long life. On top of that, the reflector 2 can adjust the illumination angle of the LEDs 10, illuminate shade, and focus the light of the light emitting source. Furthermore, the sand blasted flat lens 3 can blend the light emitting source to have an illumination angle of 180 degrees, and thus ghosting is prevented. Finally, the fins 41 around the outer periphery of the lamp housing 4 can effectively improve the heat dissipation efficiency.
  • While we have shown and described various embodiments in accordance with the present invention, it is clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.

Claims (4)

  1. A lamp structure comprising:
    a slim light emitting source including at least one light emitting diode packaged on a multilayered printed circuit board type aluminum base;
    a funnel-shaped reflector being concaved toward a center thereof, in a bottom of the reflector being defined at least one hole for partially accommodating a surface of the light emitting diode, and an inner surface of the reflector being coated to form a light reflecting surface;
    a flat lens whose surface being treated with sand blast;
    a lamp housing including a receiving chamber, one end of which being accommodated with the slim light emitting source, the reflector, and the flat lens, respectively, and the other end of which being provided for insertion of a driver, an outer surface of the lamp housing being formed with a plurality of heat dissipation fins; and
    the driver being inserted in the other end of the receiving chamber of the lamp and having positive and negative leads connected to the slim light emitting source for enabling it to produce light.
  2. The lamp structure as claimed in claim 1, wherein the aluminum base is provided around its periphery thereof with two oppositely arranged locking grooves for passage and electrical connection of the positive and negative leads, and a plurality of gaps for making it easier to take out the light emitting source from the lamp housing when replacement is required.
  3. The lamp structure as claimed in claim 1, wherein the light emitting diode is of any color.
  4. The lamp structure as claimed in claim 1, wherein the light emitting diode is high power.
EP09401010A 2008-06-16 2009-06-16 Lamp structure Withdrawn EP2136123A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097210582U TWM343773U (en) 2008-06-16 2008-06-16 Structural improvement of lamps

Publications (1)

Publication Number Publication Date
EP2136123A1 true EP2136123A1 (en) 2009-12-23

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ID=40973147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09401010A Withdrawn EP2136123A1 (en) 2008-06-16 2009-06-16 Lamp structure

Country Status (2)

Country Link
EP (1) EP2136123A1 (en)
TW (1) TWM343773U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101005054B1 (en) 2008-07-24 2010-12-30 주식회사 옵트론텍 LED Module
EP2322852A1 (en) * 2009-11-13 2011-05-18 Optoga AB A lamp including a light-emitting diode
GB2478489A (en) * 2011-07-04 2011-09-07 Metrolight Ltd LED light
WO2012039658A1 (en) * 2010-09-22 2012-03-29 Enercomp Ab Led lamp
CN102777824A (en) * 2012-07-23 2012-11-14 贵州光浦森光电有限公司 LED lighting lamp with mounting interface support combined component
CN102818183A (en) * 2012-07-23 2012-12-12 贵州光浦森光电有限公司 LED (Light-Emitting Diode) tunnel lamp using lamp shell as mounting interface bracket structure
CN102818180A (en) * 2012-07-23 2012-12-12 贵州光浦森光电有限公司 LED (Light-Emitting Diode) project lamp utilizing lamp shell as mounting interface bracket structure
WO2013003996A1 (en) * 2011-07-04 2013-01-10 厦门星际电器有限公司 Led spot lamp
EP2827044A1 (en) * 2010-06-04 2015-01-21 LG Innotek Co., Ltd. Lighting device
CN107883213A (en) * 2017-10-11 2018-04-06 佛山电器照明股份有限公司 A kind of LED PAR lamps

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473872A (en) * 1982-05-21 1984-09-25 Gte Products Corporation Par spot lamp
JP2003059332A (en) * 2001-08-17 2003-02-28 Matsushita Electric Works Ltd Led luminaire
DE202004004570U1 (en) * 2004-03-10 2004-05-27 Conrad Electronic Gmbh Light source for lamp for replacing e.g. halogen lamps etc. with housing containing at least one light emitting diode (LED), which is fitted on cooling member for waste heat connection, coupled to housing
US20060193139A1 (en) * 2005-02-25 2006-08-31 Edison Opto Corporation Heat dissipating apparatus for lighting utility
US20060227558A1 (en) 2005-04-08 2006-10-12 Toshiba Lighting & Technology Corporation Lamp having outer shell to radiate heat of light source
US20070001870A1 (en) * 2005-04-12 2007-01-04 Ralph Rohlfing Luminaire with LED(S) and method for operating the luminaire
DE202007003679U1 (en) * 2007-03-09 2007-05-16 Hong Kuan Technology Co., Ltd., Sinjhuang City Light emitting diode lamp for presentation of e.g. sales objects, in e.g. showcase, has cooling module, which is formed of number of cooling fins, and protective covering, which encloses cooling module
US20070236935A1 (en) * 2006-03-31 2007-10-11 Augux Co., Ltd. LED lamp conducting structure with plate-type heat pipe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473872A (en) * 1982-05-21 1984-09-25 Gte Products Corporation Par spot lamp
JP2003059332A (en) * 2001-08-17 2003-02-28 Matsushita Electric Works Ltd Led luminaire
DE202004004570U1 (en) * 2004-03-10 2004-05-27 Conrad Electronic Gmbh Light source for lamp for replacing e.g. halogen lamps etc. with housing containing at least one light emitting diode (LED), which is fitted on cooling member for waste heat connection, coupled to housing
US20060193139A1 (en) * 2005-02-25 2006-08-31 Edison Opto Corporation Heat dissipating apparatus for lighting utility
US20060227558A1 (en) 2005-04-08 2006-10-12 Toshiba Lighting & Technology Corporation Lamp having outer shell to radiate heat of light source
US20070001870A1 (en) * 2005-04-12 2007-01-04 Ralph Rohlfing Luminaire with LED(S) and method for operating the luminaire
US20070236935A1 (en) * 2006-03-31 2007-10-11 Augux Co., Ltd. LED lamp conducting structure with plate-type heat pipe
DE202007003679U1 (en) * 2007-03-09 2007-05-16 Hong Kuan Technology Co., Ltd., Sinjhuang City Light emitting diode lamp for presentation of e.g. sales objects, in e.g. showcase, has cooling module, which is formed of number of cooling fins, and protective covering, which encloses cooling module

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101005054B1 (en) 2008-07-24 2010-12-30 주식회사 옵트론텍 LED Module
EP2322852A1 (en) * 2009-11-13 2011-05-18 Optoga AB A lamp including a light-emitting diode
EP2827044A1 (en) * 2010-06-04 2015-01-21 LG Innotek Co., Ltd. Lighting device
WO2012039658A1 (en) * 2010-09-22 2012-03-29 Enercomp Ab Led lamp
WO2013003996A1 (en) * 2011-07-04 2013-01-10 厦门星际电器有限公司 Led spot lamp
GB2478489A (en) * 2011-07-04 2011-09-07 Metrolight Ltd LED light
US8933631B2 (en) 2011-07-04 2015-01-13 Metrolight Ltd. Light emitting diode (LED) lighting fixture
EP2544510A2 (en) 2011-07-04 2013-01-09 Metrolight Limited Light emitting diode (LED) lighting fixture
CN102818180A (en) * 2012-07-23 2012-12-12 贵州光浦森光电有限公司 LED (Light-Emitting Diode) project lamp utilizing lamp shell as mounting interface bracket structure
CN102777824B (en) * 2012-07-23 2014-06-11 贵州光浦森光电有限公司 LED lighting lamp with mounting interface support combined component
CN102818183B (en) * 2012-07-23 2014-09-10 贵州光浦森光电有限公司 LED (Light-Emitting Diode) tunnel lamp using lamp shell as mounting interface bracket structure
CN102818180B (en) * 2012-07-23 2014-10-22 贵州光浦森光电有限公司 LED (Light-Emitting Diode) project lamp utilizing lamp shell as mounting interface bracket structure
CN102818183A (en) * 2012-07-23 2012-12-12 贵州光浦森光电有限公司 LED (Light-Emitting Diode) tunnel lamp using lamp shell as mounting interface bracket structure
CN102777824A (en) * 2012-07-23 2012-11-14 贵州光浦森光电有限公司 LED lighting lamp with mounting interface support combined component
CN107883213A (en) * 2017-10-11 2018-04-06 佛山电器照明股份有限公司 A kind of LED PAR lamps

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Publication number Publication date
TWM343773U (en) 2008-11-01

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