EP2072892B1 - Lampshade of a light-emitting diode (LED) lamp - Google Patents

Lampshade of a light-emitting diode (LED) lamp Download PDF

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Publication number
EP2072892B1
EP2072892B1 EP08008953A EP08008953A EP2072892B1 EP 2072892 B1 EP2072892 B1 EP 2072892B1 EP 08008953 A EP08008953 A EP 08008953A EP 08008953 A EP08008953 A EP 08008953A EP 2072892 B1 EP2072892 B1 EP 2072892B1
Authority
EP
European Patent Office
Prior art keywords
lampshade
edge
light
hold tank
wall
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.)
Not-in-force
Application number
EP08008953A
Other languages
German (de)
French (fr)
Other versions
EP2072892A1 (en
Inventor
Tang Shih Chuan
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.)
Tang Shih-Chuan
TONS LIGHTOLOGY Inc
Original Assignee
Tang Shih-Chuan
TONS LIGHTOLOGY 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 Tang Shih-Chuan, TONS LIGHTOLOGY Inc filed Critical Tang Shih-Chuan
Publication of EP2072892A1 publication Critical patent/EP2072892A1/en
Application granted granted Critical
Publication of EP2072892B1 publication Critical patent/EP2072892B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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 generally to a LED lamp, and more particularly to an innovative one which is designed with an improved lampshade.
  • a LED lamp generally comprises a main body, LED module, heat-radiating component and lampshade.
  • the lampshade of LED lamp is generally developed from traditional light shield.
  • LEDs in LED lamp are distributed in spotted state, so every LED is fitted with a light-reflection module to magnify the light spots, soften the bright light and generate spotted decorative effect.
  • the assembly and disassembly work shall be considered since every light-reflection module must be positioned securely.
  • the former discloses a light refractive block with LED that comprises annular sleeving structure
  • the latter discloses a light refractive block with LED that comprises a light transmitting plate and joint pressing positioning structure;
  • these two inventions still have some problems, such as the annular plate, lighting transmitting plate, and lamp housing are connected by tight insertion, which may have problems of deviation or overly tightly or loose; if too tight, it may be difficult to assemble or dissemble, and if too lose, it may be easily loosen or fall off; moreover, the surfaces of the light refractive blocks are exposed outside of the housing surface in both inventions, thus the light may be harsh to users' eyes.
  • the US 2007/0133209 discloses a fixture of a light reflection module consisting of a lampshade that has a central opening which edge is axially in contact with the edge of the light reflection module and that is fixed on its outer edge to the main body by a snap fit.
  • the inventor has provided the present invention of practicability after deliberate design and evaluation based on years of experience in the production, development and design of related products.
  • the enhanced efficacy of the present invention is as follows:
  • FIGS. 1 ⁇ 4 depict preferred embodiments of improved lampshade of LED lamp of the present invention, which, however, are provided for only explanatory objective for patent claims; said lampshade 10 is assembled onto the port 31 of hold tank 30 on the main body 20 of LED lamp A (an embedded light structure), so that light-reflection modules 50 located between port 31 of hold tank 30 and LED modules 40 in the hold tank 30 are positioned securely; said lampshade 10, comprising a circumferential locating edge 11 and a limitation surface 12, of which the circumferential locating edge 11 is adapted with the wall edge of hold tank 30 to define an inner edge 111 and an external edge 112; said limitation surface 12 is recessed into inner edge 111 of the circumferential locating edge 11; the limitation surface 12 is provided with several through-holes 120 for sleeving and limitation of the light-reflection modules 50; the circumferential locating edge 11 and the wall edge of hold tank 30 are coupled with snapping portion 60; referring to FIGS.
  • the snapping portion 60 comprises a few locating flanges 61 arranged at interval on the circumferential locating edge 11 of the lampshade 10, and a circular snapping groove 62 on the wall edge of hold tank 30 of the main body 20; when the lampshade 10 is mounted into the hold tank 30 of main body 20, it could be snapped rapidly into the circular snapping groove 62 via the locating flange 61 for positioning purpose.
  • the circumferential locating edge 11 of the lampshade 10 is designed with a stepped external wall with big and small necks, and the wall edge of the hold tank 30 is designed with a stepped inner wall with big and small treads.
  • a shoulder is formed at one end of the light-reflection module 50, so that it could be located in the through-hole 120 of the limitation surface 12 of the lampshade 10 to fix securely the light-reflection modules 50.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

    BACKGROUND OF INVENTION 1. Field of the Invention
  • The present invention relates generally to a LED lamp, and more particularly to an innovative one which is designed with an improved lampshade.
    • 2. Description of Related Art
  • A LED lamp generally comprises a main body, LED module, heat-radiating component and lampshade.
  • The lampshade of LED lamp is generally developed from traditional light shield. However, LEDs in LED lamp are distributed in spotted state, so every LED is fitted with a light-reflection module to magnify the light spots, soften the bright light and generate spotted decorative effect. But, the assembly and disassembly work shall be considered since every light-reflection module must be positioned securely.
  • Regarding related inventions, such as DE20310313U1 , DE10333907A1 , the former discloses a light refractive block with LED that comprises annular sleeving structure, and the latter discloses a light refractive block with LED that comprises a light transmitting plate and joint pressing positioning structure; these two inventions still have some problems, such as the annular plate, lighting transmitting plate, and lamp housing are connected by tight insertion, which may have problems of deviation or overly tightly or loose; if too tight, it may be difficult to assemble or dissemble, and if too lose, it may be easily loosen or fall off; moreover, the surfaces of the light refractive blocks are exposed outside of the housing surface in both inventions, thus the light may be harsh to users' eyes.
  • The US 2007/0133209 discloses a fixture of a light reflection module consisting of a lampshade that has a central opening which edge is axially in contact with the edge of the light reflection module and that is fixed on its outer edge to the main body by a snap fit.
  • Thus, to overcome the aforementioned problems of the prior art, it would be an advancement if the art to provide an improved structure that can significantly improve the efficacy.
  • Therefore, the inventor has provided the present invention of practicability after deliberate design and evaluation based on years of experience in the production, development and design of related products.
    • SUMMARY OF THE INVENTION
  • The enhanced efficacy of the present invention is as follows:
    • Through the structural design of the lampshade combining circumferential locating edge , limitation surface, through-hole and snapping portion, the circumferential locating edge is adapted with the wall edge of the hold tank, providing the lampshade with a reliable, circular support surface; the limitation surface of the lampshade is recessed into inner edge of the circumferential locating edge, permitting the light-emitting surface of light-reflection module to recess slightly, and making it aesthetically pleasing; the through-hole on the limitation surface of lampshade enables rapid sleeving and limitation of the light-reflection modules; with the design of lampshade's circumferential locating edge and snapping portion on the wall edge of the hold tank, the lampshade and main body could be positioned and removed rapidly and easily; thus, the lampshade is designed in such a manner that the light-reflection module could be positioned securely and removed easily.
      1. 1. Based upon the structural design that the circumferential locating edge of the lampshade is designed with a stepped external wall with big and small necks, and the wall edge of the hold tank designed with a stepped inner wall with big and small treads, the coupling area of the lampshade's circumferential locating edge and the wall edge of hold tank could be further expanded for better assembly and positioning effect.
      2. 2. Based upon the structural design that a shoulder is formed at one end of the light-reflection module, it could be located in the through-hole of the limitation surface of the lampshade to further fix securely the light-reflection modules.
  • Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.
    • BRIEF DESCRIPTION OF THE DRAWINGS
    • FIG. 1
    shows an assembled perspective view of the preferred embodiment of the present invention.
    FIG. 2
    shows an exploded perspective view of the preferred embodiment of the present invention.
    FIG. 3
    shows an exploded sectional view of the preferred embodiment of the present invention.
    FIG. 4
    shows an assembled sectional view of the preferred embodiment of the present invention.
    FIG. 5
    shows a partially enlarged view of portion B of FIG.4.
    DETAILED DESCRIPTION OF THE INVENTION
  • The features and the advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of a preferred embodiment of the present invention with reference to the accompanying drawings.
  • FIGS. 1∼ 4 depict preferred embodiments of improved lampshade of LED lamp of the present invention, which, however, are provided for only explanatory objective for patent claims; said lampshade 10 is assembled onto the port 31 of hold tank 30 on the main body 20 of LED lamp A (an embedded light structure), so that light-reflection modules 50 located between port 31 of hold tank 30 and LED modules 40 in the hold tank 30 are positioned securely; said lampshade 10, comprising a circumferential locating edge 11 and a limitation surface 12, of which the circumferential locating edge 11 is adapted with the wall edge of hold tank 30 to define an inner edge 111 and an external edge 112; said limitation surface 12 is recessed into inner edge 111 of the circumferential locating edge 11; the limitation surface 12 is provided with several through-holes 120 for sleeving and limitation of the light-reflection modules 50; the circumferential locating edge 11 and the wall edge of hold tank 30 are coupled with snapping portion 60; referring to FIGS. 3, 4, the snapping portion 60 comprises a few locating flanges 61 arranged at interval on the circumferential locating edge 11 of the lampshade 10, and a circular snapping groove 62 on the wall edge of hold tank 30 of the main body 20; when the lampshade 10 is mounted into the hold tank 30 of main body 20, it could be snapped rapidly into the circular snapping groove 62 via the locating flange 61 for positioning purpose.
  • The circumferential locating edge 11 of the lampshade 10 is designed with a stepped external wall with big and small necks, and the wall edge of the hold tank 30 is designed with a stepped inner wall with big and small treads.
  • A shoulder is formed at one end of the light-reflection module 50, so that it could be located in the through-hole 120 of the limitation surface 12 of the lampshade 10 to fix securely the light-reflection modules 50.
  • Based upon above-specified structural design, the present invention is operated as follows:
    • Referring to FIGS. 3, 4, when the port 31 of the hold tank 30 of the main body 20 faces upwards, the light-reflection modules 50 are firstly placed into hold tank 30 of the main body 20 oppositely to the LEDs on LED module 40, then the lampshade 10 is assembled into the port 31 of the hold tank 30 of the main body 20; in such case, the light-reflection modules 50 are fastened into the through-hole 120 on the limitation surface 12 of the lampshade 10 and also positioned through the circumferential locating edge 11 of the lampshade 10 and snapping portion 60 on the wall edge of the hold tank 30, thus both lampshade 10 and light-reflection module 50 are fixedly assembled and positioned with the main body 20.

Claims (4)

  1. LED lamp (A) comprising a lampshade (10), which is assembled onto a port (31) of a hold tank (30) on a main body (20) of the LED lamp (A), and a light-reflection module (50) located between the port (31) of the hold tank (30) and LED modules (40) located in the hold tank (30), whereby said lampshade (10) comprises:
    - a circumferential locating edge (11), which is adapted with a wall edge of the hold tank (30) to define an inner edge (111) and an external edge (112);
    - a limitation surface (12), which is recessed into inner edge (111) of the circumferential locating edge (11) and also provided with several through-holes (120) for sleeving and limitation of the light-reflection modules (50); characterised in that the lampshade comprises
    - a snapping portion (60), which is placed at a coupling portion of the circumferential locating edge (11) and the wall edge of the hold tank (30) for positioning of the lampshade (10).
  2. LED lamp (A) according to Claim 1, characterized in that the circumferential locating edge (11) of said lampshade (10) is designed with a stepped external wall with big and small necks and the wall edge of the hold tank (30) is designed with a stepped inner wall with big and small treads.
  3. LED lamp (A) according to Claim 1, characterized in that a shoulder is formed at one end of the light-reflection module (50), so that it could be located in a through-hole (120) of the limitation surface (12) of the lampshade (10).
  4. LED lamp (A) according to Claim 1, characterized in that said snapping portion (60) comprises a few locating flanges (61) arranged on the circumferential locating edge (11) of the lampshade (10), and a circular snapping groove (62) on the wall edge of the hold tank (30) of the main body (20).
EP08008953A 2007-12-19 2008-05-14 Lampshade of a light-emitting diode (LED) lamp Not-in-force EP2072892B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096221594U TWM334917U (en) 2007-12-19 2007-12-19 Improved light baffle structure of LED lamp

Publications (2)

Publication Number Publication Date
EP2072892A1 EP2072892A1 (en) 2009-06-24
EP2072892B1 true EP2072892B1 (en) 2012-08-22

Family

ID=39707644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08008953A Not-in-force EP2072892B1 (en) 2007-12-19 2008-05-14 Lampshade of a light-emitting diode (LED) lamp

Country Status (2)

Country Link
EP (1) EP2072892B1 (en)
TW (1) TWM334917U (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095131B (en) * 2010-11-19 2012-06-13 林万炯 Anti-glare LED (light emitting diode) spotlight
CN103574385A (en) * 2012-07-18 2014-02-12 欧司朗股份有限公司 Lighting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070133209A1 (en) * 2005-12-09 2007-06-14 Harvatek Corporation Electrical lamp apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040264196A1 (en) 2003-06-30 2004-12-30 Kuo-Fen Shu LED spotlight (type I)
DE10333907A1 (en) 2003-07-22 2005-03-03 Signal-Construct Elektro-Optische Anzeigen Und Systeme Gmbh LED lamp has housing with several LEDS under lenses set in reflector plate
ITMI20050122U1 (en) * 2005-04-08 2006-10-09 Guzzini Illuminazione Srl I ANTI-BLASTING DEVICE FOR LED LIGHT SOURCES

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070133209A1 (en) * 2005-12-09 2007-06-14 Harvatek Corporation Electrical lamp apparatus

Also Published As

Publication number Publication date
EP2072892A1 (en) 2009-06-24
TWM334917U (en) 2008-06-21

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