DE102015101130A1 - LED light bulb and method of making same - Google Patents

LED light bulb and method of making same

Info

Publication number
DE102015101130A1
DE102015101130A1 DE102015101130.1A DE102015101130A DE102015101130A1 DE 102015101130 A1 DE102015101130 A1 DE 102015101130A1 DE 102015101130 A DE102015101130 A DE 102015101130A DE 102015101130 A1 DE102015101130 A1 DE 102015101130A1
Authority
DE
Germany
Prior art keywords
drive board
housing
light bulb
led light
conductive contact
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.)
Ceased
Application number
DE102015101130.1A
Other languages
German (de)
Inventor
Huayong Ou
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.)
Davinci Industrial Inc
Davinci II CSJ LLC
Original Assignee
Davinci Industrial Inc
Davinci II CSJ LLC
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 Davinci Industrial Inc, Davinci II CSJ LLC filed Critical Davinci Industrial Inc
Priority to DE102015101130.1A priority Critical patent/DE102015101130A1/en
Publication of DE102015101130A1 publication Critical patent/DE102015101130A1/en
Application status is Ceased legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/90Methods of manufacture
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/04Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/02Globes; Bowls; Cover glasses characterised by the shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/14Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
    • F21Y2105/16Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

LED light bulb having a drive board (1), a light unit (2) and a housing (3). The drive circuit board (1) has a drive circuit, the drive circuit board (1) being provided at the end with at least one extension section (11) which has at least two electrode sections (12) laterally. The drive board (1) is provided on its one side with paired conductive contact feet (13). The lighting unit (2) is electrically connected to the electrode sections (12). In the housing (3) are the drive board (1) and the light unit (2), wherein the conductive contact feet (13) of the drive board (1) extend outside of the housing (4). Furthermore, a method is provided for producing the LED light bulb, in which the drive board (1) and the lighting unit (2) are directly electrically connected and at the same time encapsulated in the interior of the housing (3).

Description

  • The invention relates to a light bulb, in particular a miniature light bulb, in which the light emitting diode is used as a light source and which has two conductive contact feet, wherein a method for producing the LED light bulb is provided.
  • Due to advances in the field of semiconductor package and energy-saving and durable LEDs, LED bulbs have been widely used as a lighting device for home, office and transportation applications.
  • How out 1 As can be seen, a mini-LED light bulb has a housing 10 on top of a mounting surface 101 has, with on a substrate 201 for mounting at least one light emitting diode 20 is arranged. With the substrate 201 is at least one LED plate 202 electrically connected. The mounting surface 101 is with at least one hole 102 provided by the one from the substrate 201 outgoing wire 203 electrically with one in a receiving space 103 of the housing 10 provided circuit board 30 connected is. The circuit board 30 has two conductive contact feet 301 on, which is about the case 10 out to the outside. On the mounting surface 101 is a graduation cap 40 mounted, with which the light emitting diode 20 is covered. When inserting the conductive contact feet 301 in a lamp device for removing the electrical energy is the light emitting diode 20 from the circuit board 30 fed to the lighting.
  • The above-mentioned LED light bulb can be used in a lamp device or a lighting lamp. However, the light emitting diode 20 and the circuit board 30 arranged separately from each other. For electrical connection, the lead wires 203 used, making the LED bulb difficult, time consuming and therefore more costly to produce.
  • The invention has for its object to provide an LED light bulb and a method for producing the LED light bulb through which the drive board and the light unit are electrically connected in parallel to each other and encapsulated in a housing, whereby the LED Light bulb can be produced in a simple manner and at the same time their production costs are reduced.
  • This object is achieved by an LED light bulb having the features specified in claim 1, and by a method having specified in claim 9 features. Further advantageous developments of the invention will become apparent from the dependent claims.
  • According to the invention, there is provided an LED light bulb comprising:
    a drive circuit board having a drive circuit, the drive circuit board being provided at the end with at least one extension section which has at least two electrode sections laterally, and the drive circuit board being provided on its one side with paired conductive contact feet;
    a light unit which is parallel to the drive board and electrically connected to the electrode sections; and
    a housing in which the drive board and the light unit are located, wherein the conductive contact feet of the drive board extend outside of the housing.
  • According to the invention, there is provided a method of manufacturing an LED light bulb comprising the steps of:
    • a) providing a drive board which is provided at one end with at least one projecting extension portion and at the other end with two paired formed, the extension portion opposite conductive contact feet;
    • b) applying at least two electrode sections to one side of the extension section;
    • c) providing a light unit that is parallel to the drive board and adjacent to the extension portion, the light unit having a translucent substrate;
    • d) applying a circuit layer to one side of the translucent substrate; and
    • e) applying a plurality of LED wafers electrically connected to the circuit layer and more than two electrode contacts on the circuit layer, wherein the electrode contacts and the electrode portions are respectively electrically connected to each other; and
    • f) providing a housing in which the drive board and the lighting unit are located so that the conductive contact feet of the drive board extend outside of the housing.
  • In summary, for example, the following advantages can be realized with the LED light bulb according to the invention and the method according to the invention:
    The drive board and the lighting unit are electrically connected to each other in parallel and encapsulated in a housing, whereby the LED light bulb can be produced in a simple manner and at the same time their production costs can be reduced.
  • In the following the invention and its embodiments will be explained in more detail with reference to the drawing. In the drawing shows:
  • 1 a section through a conventional LED light bulb;
  • 2 a perspective view of a first embodiment of an LED light bulb, wherein the drive board and the lighting unit are shown separately from each other;
  • 3 a perspective view of the first embodiment of an LED light bulb, wherein the drive board and the lighting unit are electrically connected to each other;
  • 4 an enlarged side view according to 3 ;
  • 5 an exploded perspective view of the first embodiment of an LED light bulb according to the invention;
  • 6 a perspective assembly view according to 5 ;
  • 7 a section through the LED light bulb according to the invention according to 6 ;
  • 8th a perspective view of a second embodiment of an LED light bulb according to the invention;
  • 9 a schematic representation of a third embodiment of an LED light bulb according to the invention;
  • 10 a side view according to 9 ;
  • 11 an exploded perspective view of a fourth embodiment of an LED light bulb according to the invention;
  • 12 a perspective assembly view according to 11 ;
  • 13 an exploded perspective view of a fifth embodiment of an LED light bulb according to the invention;
  • 14 a perspective assembly view according to 13 ;
  • 15 an exploded perspective view of a sixth embodiment of an LED light bulb according to the invention;
  • 16 a schematic representation of the inventive method for producing a LED light bulb according to the invention; and
  • 17 a section through the construction according to 16 (seen from the front).
  • How out 2 to 4 can be seen, an LED light bulb according to the invention has a drive board 1 and a light unit 2 on.
  • The drive board 1 has a drive circuit [not shown] with which the lighting unit 2 is driven for lighting. The drive board 1 is end with at least one pin or prong extension portion 11 Mistake. The extension sections 11 have laterally two or more than two electrode sections 12 on that with the light unit 2 are electrically connected. The drive board 1 is laterally with paired conductive contact feet 13 Mistake. In the illustrated embodiment is an LED light bulb, which is designed in construction of the halogen lamp with two conductive G4 contact feet. G4 is a distance from 4 mm between the two conductive contact feet. However, the invention should not be limited thereto.
  • The lighting unit 2 runs parallel to the drive board 1 and has a translucent substrate 21 on. The translucent substrate 21 is on its one side with a circuit layer 22 provided electrically with LED plates 23 connected is. The circuit layer 22 has two or more than two electrode contacts 221 on, which electrically with the respective electrode sections 12 are connected. The translucent substrate 21 is on both sides with a first transparent cover 24 and a second transparent cover 24 covered. After attaching the first transparent cover 24 are the electrode contacts 221 the circuit layer 22 exposed. In this way, the electrode contacts 221 the lighting unit 2 electrically with the respective electrode sections 12 the extension sections 11 connected. The electrical connection can be made for example by welding.
  • As in 5 to 7 shown, the LED light bulb according to the invention has a spherical housing 3 in which is the drive board 1 and the light unit 2 are located. The housing 3 has a housing body 31 and a graduation cap 32 on.
  • The housing body 31 is U-shaped on average and inside with a receiving space 311 Mistake. In the recording room 311 is the drive board 1 , The housing body 31 is bottom side with two trained through holes 312 provided by the conductive contact feet 13 the drive board 1 outside the case body 31 so extend that the conductive contact feet 13 with an externally located lamp device [not shown] can be connected. On the inner wall of the housing body 31 is at least one hook-shaped mounting projection 313 Trained with the end cap 32 is attached. The housing body 31 is made of plastic or metal.
  • The graduation cap 32 is circular arc-shaped and has a cavity inside. The graduation cap 32 is down with a plurality of fastening tongues 321 provided, each a detent hole 322 having. In the rest hole 322 engages the mounting projection 313 one, so the end cap 32 safely on the housing body 31 is attached. The graduation cap 32 is made of plastic, such. As polycarbonate, acrylic or polypropylene.
  • In 8th a second embodiment of an LED light bulb according to the invention is shown. According to 8th the LED light bulb according to the invention has a housing 4 made of silicone or epoxy resin with the addition of light diffusion material 43 is made. The light diffusion material 43 is selected from a group comprising titanium dioxide TiO 2 and silicon dioxide SiO 2. By thermosetting, injection molding and thermoplastic method is silicone or epoxy resin to produce a spherical housing 4 used. The housing 4 has a cylindrical housing body 41 and an upwardly extending head section 42 on. The head section 42 is circular arc, conical or n-shaped. After the current flow, the drive board 1 driven, causing the light unit 2 lights up, with the light passing through the housing 4 located light diffusion material 43 is scattered. That way, that's out of the case 4 emitted outgoing light in a uniform manner.
  • In 9 and 10 a third embodiment of an LED light bulb according to the invention is shown. The third embodiment is basically the same embodiment as in FIG 2 but with the difference that between the two extension sections 11 a certain distance 14 is provided, which is equal to or greater than the width W of the translucent substrate 21 such that the electrode contacts 221 and the electrode sections 12 are electrically connected when the translucent substrate 21 directly into the space between the two extension sections 11 intervenes. At the same time, the processing for the electrical connection between the drive board 1 and the light unit 2 simplified. Furthermore, the thickness can be reduced when the electrical connection between the drive board 1 and the light unit 2 is made.
  • In 11 and 12 a fourth embodiment of an LED light bulb according to the invention is shown. The housing 5 according to the fourth embodiment is basically the same as in 5 to 7 but with the difference that the case 5 a pedestal 51 and a cap 52 having. The base 51 is a bowl-shaped on the average and inside with a receiving space 511 Mistake. In the recording room 511 there is a drive board 1 , The base 51 is bottom side with two trained through holes 512 provided by the conductive contact feet 13 the drive board 1 over the pedestal 51 outwardly extend so that the conductive contact feet 13 with an externally located lamp device [not shown] can be connected. On the inner wall of the base 51 is at least one hook-shaped mounting projection 513 formed, with which the cap 52 is attached.
  • The cap 52 is spherical and has a cavity inside. The cap 52 is down with a plurality of fastening tongues 521 provided, each a detent hole 522 exhibit. In the rest hole 522 engages the mounting projection 513 a, so the cap 52 sure on the pedestal 51 is attached.
  • In 13 and 14 a fifth embodiment of an LED light bulb according to the invention is shown. The drive board 6 and the case 7 according to the fifth embodiment are basically the same as the drive board 1 and the case 3 in 5 to 7 , but with the difference that the drive board 6 three extension sections 61 has, which laterally each with an electrode portion 62 is provided. The electrode sections 62 are electrical with the electrode contacts 221 the lighting unit 2 connected. In this way, the LED plates of the lighting unit 2 over the three extension sections 61 alternately light up.
  • The housing 7 has a pedestal 71 and a cap 72 on. The base 71 is a bowl-shaped on the average and inside with a receiving space 711 Mistake. In the recording room 711 there is a drive board 6 , The base 71 is bottom side with two trained through holes 712 provided by the conductive contact feet 63 the drive board 6 over the pedestal 71 outwardly extend so that the conductive contact feet 73 with an externally located lamp device [not shown] can be connected. On the inner wall of the base 71 is at least one hook-shaped mounting projection 713 formed, with which the cap 72 is attached.
  • The cap 72 is spherical and has a cavity inside. The cap 72 is down with a plurality of fastening tongues 721 provided, each a detent hole 722 exhibit. In the rest hole 722 he intervenes mounting boss 713 a, so the cap 72 sure on the pedestal 71 is attached.
  • In 15 a sixth embodiment of an LED light bulb according to the invention is shown. The drive board 8th according to the sixth embodiment is in principle the same as the drive board 1 in 2 to 7 , but with the difference that the drive board 8th a strip or strip-shaped extension attachment 81 having, on its one side with two or more than two electrode sections 82 is provided. The electrode sections 82 are electrical with the electrode contacts 221 the lighting unit 2 connected. The drive board 1 is on the bottom side with two pairs of conductive contact feet 83 Mistake.
  • In 16 a method for producing the LED light bulb according to the invention is shown. The method of manufacturing the LED light bulb according to the second embodiment includes the following steps:
    • a) providing a drive board 1 at one end with at least one projecting extension section 11 and at the other end with two paired, the extension section 11 opposite arranged conductive contact feet 13 is provided. The drive board 1 has a driving circuit D serving as a drive circuit. For miniaturization, the conductive contact feet 13a intended. According to 17 are holes 15 on the bottom side of the drive board 1 trained, whereupon the conductive contact feet 13a by solder S on the drive board 1 be soldered;
    • b) applying at least two electrode sections 12 on one side of the extension section 11 ;
    • c) providing a lighting unit 2 , which are parallel to the drive board 1 runs and to the extension section 11 adjoins, with the lighting unit 2 a translucent substrate 21 having;
    • d) applying a circuit layer 22 on one side of the translucent substrate 21 ; and
    • e) applying a plurality of electrically to the circuit layer 22 connected LED tiles 23 and more than two electrode contacts 221 on the circuit layer 22 , wherein the electrode contacts 221 and the electrode sections 12 are electrically connected to each other by solder S accordingly.
  • Like the construction of the extension section 11 and the electrode portion 12 In the third embodiment, in the method according to the invention, the distance between inner edges of the two extension sections 11 equal to or greater than the width of the lighting unit 2 , The lighting unit 2 engages in the space between the two extension sections 11 such that the electrode section 12 of the extension section 11 and the electrode contact 221 the lighting unit 2 lie on the same page.
  • Further, a step f) is to provide a housing 4a provided in which the drive board 1 and the light unit 2 so that are the conductive contact feet 13a the drive board 1 outside the case 4 extend.
  • The step f) for providing a housing 4a has the following minor steps:
    • f1) providing a tool shape 9 , which has an upwardly open receiving groove 90 has, which corresponds in shape to the LED light bulb; and
    • f2) pouring the housing 4a provided mass in the receiving groove 90 ,
    In 17 is the trained after curing housing 4a shown. The housing 4a has a cylindrical housing body 41a and one from the housing body 41a extending, conically shaped head section 42a on. The housing 4a is made of thermosetting resin or thermosetting polymer. The head section 42a is after the light unit 2 aligned. Advantages of the conical shape are that the first transparent cover 24 and the second transparent cover 25 on both sides of the light unit 2 from the thinner case 4a be covered [see 16 ], so that the light is not shielded and thus a better lighting effect is achieved.
  • As in 16 In addition, a side step f3) is provided, in which the conductive contact feet 13a be clamped, the drive board 1 and the light unit 2 in the receiving groove 90 be introduced so that the drive board 1 and the light unit 2 from the molten mass of the housing 4a are enclosed.
  • The foregoing description illustrates the embodiments of the invention and is not intended to limit the claims. All equivalent changes and modifications that may be made by those skilled in the art in accordance with the description and drawings of the invention are within the scope of the present invention.
  • LIST OF REFERENCE NUMBERS
  • (of the prior art)
  • 10
    casing
    101
    mounting surface
    102
    drilling
    103
    accommodation space
    20
    led
    201
    substratum
    202
    LED dies
    203
    lead wire
    30
    circuit board
    301
    contact foot
    40
    end cap
    (the present invention)
    1, 6, 8
    drive board
    11, 61, 81
    extension section
    12, 62, 82
    electrode section
    13, 13a, 63, 73, 83
    conductive contact foot
    14
    distance
    15
    hole
    2
    light unit
    21
    translucent substrate
    22
    circuit layer
    221
    electrode contact
    23
    LED dies
    24
    first transparent cover
    25
    second transparent cover
    3, 4, 4a, 5, 7
    casing
    31, 51, 71
    housing body
    311, 511, 711
    accommodation space
    312, 512, 712
    Through Hole
    313, 513, 713
    mounting boss
    32, 52, 72
    end cap
    321, 521, 721
    fastening tongue
    322, 522, 722
    catch hole
    41, 41a
    housing body
    42, 42a
    header
    43
    Light diffusion material
    9
    mold
    90
    receiving groove
    D
    driving element
    S
    solder
    W
    width

Claims (10)

  1. LED light bulb, comprising: a drive board ( 1 ), which has a drive circuit, wherein the drive board ( 1 ) end with at least one extension section ( 11 ) is provided laterally at least two electrode sections ( 12 ), and wherein the drive board ( 1 ) on its one side with paired conductive contact feet ( 13 ) is provided; a light unit ( 2 ) parallel to the drive board ( 1 ) and electrically connected to the electrode sections ( 12 ) connected is; and a housing ( 3 ), in which the drive board ( 1 ) and the lighting unit ( 2 ), wherein the conductive contact feet ( 13 ) of the drive board ( 1 ) outside the housing ( 4 ).
  2. LED light bulb according to claim 1, characterized in that the translucent substrate ( 21 ) on its one side with a circuit layer ( 22 ) which is electrically connected to LED plates ( 23 ), the circuit layer ( 22 ) at least two electrode contacts ( 221 ) electrically connected to the respective electrode sections ( 12 ) are connected.
  3. LED light bulb according to claim 1 or 2, characterized in that the translucent substrate ( 21 ) on both sides with a first transparent cover ( 24 ) and a second transparent cover ( 24 ), wherein the electrode contacts ( 221 ) of the circuit layer ( 22 ) exposed on the outside of the first transparent cover ( 24 ) are arranged.
  4. LED light bulb according to one of claims 1 to 3, characterized in that between the two extension sections ( 11 ) a certain distance ( 14 ) which is equal to or greater than the width (W) of the translucent substrate ( 21 ), such that the electrode contacts ( 221 ) and the electrode sections ( 12 ) are electrically connected when the translucent substrate ( 21 ) directly into the space between the two extension sections ( 11 ) intervenes.
  5. LED light bulb according to claim 4, characterized in that the housing ( 3 ) Comprising: a housing body ( 31 ), which is U-shaped on average and internally with a receiving space ( 311 ) for receiving the drive board ( 1 ), wherein the housing body ( 31 ) on the bottom side with two pairs of through holes ( 312 ), through which the conductive contact feet ( 13 ) of the drive board ( 1 ) outside the housing body ( 31 ), and wherein on the inner wall of the housing body ( 31 ) at least one hook-shaped mounting projection ( 313 ) is trained; and a graduation cap ( 32 ) whose shape is selected from a group comprising a circular arc, a cone and a (bullet) bullet, the end cap ( 32 ) has a cavity inside, wherein the end cap ( 32 ) below with a plurality of fastening tongues ( 321 ), each having a detent hole ( 322 ), in which the mounting projection ( 313 ) intervenes.
  6. LED light bulb according to claim 5, characterized in that the housing body ( 31 ) made of plastic or acrylic and the end cap ( 32 ) is made of plastic or metal.
  7. LED light bulb according to claim 4, characterized in that the housing ( 4 ) a cylindrical housing body ( 41 ) and one from the housing body ( 41a ) extending head portion ( 42 ), wherein the head section ( 42 ) is arcuate, conical or N-shaped.
  8. LED light bulb according to claim 7, characterized in that the housing ( 4 ) is made of silicone or epoxy resin and a light diffusion material ( 43 ) contains.
  9. Method for producing an LED light bulb, comprising the following steps: a) providing a drive board ( 1 ) provided at one end with at least one projecting extension section ( 11 ) and at the other end with two paired, the extension section ( 11 ) arranged opposite conductive contact feet ( 13a ) is provided; b) applying at least two electrode sections ( 12 ) on one side of the extension section ( 11 ); c) providing a lighting unit ( 2 ) parallel to the drive board ( 1 ) and to the extension section ( 11 ), wherein the lighting unit ( 2 ) a translucent substrate ( 21 ) having; d) applying a circuit layer ( 22 ) on one side of the translucent substrate ( 21 ); and e) applying a plurality of electrically to the circuit layer ( 22 ) LED ( 23 ) and more than two electrode contacts ( 221 ) on the circuit layer ( 22 ), wherein the electrode contacts ( 221 ) and the electrode sections ( 12 ) are electrically connected together; and f) providing a housing ( 4a ), in which the drive board ( 1 ) and the lighting unit ( 2 ) so that the conductive contact feet ( 13a ) of the drive board ( 1 ) outside the housing ( 4 ).
  10. Method according to claim 9, characterized in that the step (f) of providing a housing ( 4a ) has the following substeps: f1) providing a tool shape ( 9 ), which has an upwardly open receiving groove ( 90 ), which corresponds in shape to the LED light bulb; f2) Pouring the housing ( 4a ) provided in the receiving groove ( 90 ); and f3) clamping the conductive contact feet ( 13a ), wherein the drive board ( 1 ) and the lighting unit ( 2 ) in the receiving groove ( 90 ) are inserted so that the drive board ( 1 ) and the lighting unit ( 2 ) of the molten mass of the housing ( 4a ) are wrapped.
DE102015101130.1A 2015-01-27 2015-01-27 LED light bulb and method of making same Ceased DE102015101130A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102015101130.1A DE102015101130A1 (en) 2015-01-27 2015-01-27 LED light bulb and method of making same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015101130.1A DE102015101130A1 (en) 2015-01-27 2015-01-27 LED light bulb and method of making same

Publications (1)

Publication Number Publication Date
DE102015101130A1 true DE102015101130A1 (en) 2016-07-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016629A1 (en) * 2009-02-12 2010-08-26 Lighthouse Technology Co., Ltd. Disassemblable lamp tube for light emitting diodes
US20120268941A1 (en) * 2011-04-19 2012-10-25 Everlight Electronics Co., Ltd. Light Emitting Diode Lamp and Assembling Method Thereof
DE102012100838A1 (en) * 2011-11-07 2013-05-08 Cooler Master Co., Ltd. Lighting device and method of manufacturing a lamp holder
US20130201696A1 (en) * 2010-09-27 2013-08-08 Toshiba Lighting & Technology Corporation Bulb-shaped lamp and lighting device
WO2014132186A1 (en) * 2013-02-27 2014-09-04 Koninklijke Philips N.V. Led lamp, in particular for a motorcycle headlight

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016629A1 (en) * 2009-02-12 2010-08-26 Lighthouse Technology Co., Ltd. Disassemblable lamp tube for light emitting diodes
US20130201696A1 (en) * 2010-09-27 2013-08-08 Toshiba Lighting & Technology Corporation Bulb-shaped lamp and lighting device
US20120268941A1 (en) * 2011-04-19 2012-10-25 Everlight Electronics Co., Ltd. Light Emitting Diode Lamp and Assembling Method Thereof
DE102012100838A1 (en) * 2011-11-07 2013-05-08 Cooler Master Co., Ltd. Lighting device and method of manufacturing a lamp holder
WO2014132186A1 (en) * 2013-02-27 2014-09-04 Koninklijke Philips N.V. Led lamp, in particular for a motorcycle headlight

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