CN205845998U - LED support and LED luminescence unit - Google Patents

LED support and LED luminescence unit Download PDF

Info

Publication number
CN205845998U
CN205845998U CN201490000319.8U CN201490000319U CN205845998U CN 205845998 U CN205845998 U CN 205845998U CN 201490000319 U CN201490000319 U CN 201490000319U CN 205845998 U CN205845998 U CN 205845998U
Authority
CN
China
Prior art keywords
led
wire welding
welding area
transition region
radial dimension
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.)
Expired - Fee Related
Application number
CN201490000319.8U
Other languages
Chinese (zh)
Inventor
史利利
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
Application granted granted Critical
Publication of CN205845998U publication Critical patent/CN205845998U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/62Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Led Device Packages (AREA)

Abstract

A kind of LED support (1) and LED luminescence unit.LED support (1) includes the pedestal (11) being provided with containing cavity (111), be arranged on pedestal (11) electrode slice (12) and die bond sheet metal (13).Electrode slice (12) includes wire welding area (121) that be connected, that be positioned at containing cavity (111) and pin (122), and by wire welding area (121) to the transition region (123) of pin (122) transition, die bond sheet metal (13) has the crystal bonding area (131) for fixing LED chip (2), using wire welding area (121) to the direction of pin (122) transition as axially, the radial dimension of transition region (123) is less than the radial dimension of transition region (123) two side areas.Die bond sheet metal (13) is connected with the wire welding area (121) of electrode slice (12).When carrying out the scolding tin of electrode slice pin (122), owing to transition region (123) radial dimension is less, making heat produced by pin (122) scolding tin will not rapidly diffuse into wire welding area (121) causes wire welding area (121) solder joint to come off and form rosin joint phenomenon, it is ensured that the reliability of LED.

Description

LED support and LED luminescence unit
Technical field
The application relates to light emitting diode field, particularly relates to a kind of LED support and LED luminescence unit.
Background technology
Due to light emitting diode (Light Emitting Diode, LED) have high security, operate steadily, low energy consumption, The multiple advantages such as specular removal, life-span length are applied to panel computer, notebook computer, liquid crystal display, big more and more widely Sized liquid crystal TV and room lighting and outdoor lighting field.Existing LED support, including pedestal, is provided with appearance on pedestal Putting chamber, also include positive plate and negative plate, positive plate includes positive pole pin and positive pole wire welding area, negative plate include negative pin, Negative pole wire welding area and for fixing the crystal bonding area of LED chip, crystal bonding area is connected together with negative pole wire welding area.Crystal bonding area is near just Wire welding area, pole is horizontally disposed with.
During welding, first LED chip is placed in crystal bonding area, then respectively weldering is drawn at the two poles of the earth of LED chip by lead-in wire It is connected on positive pole wire welding area and negative pole wire welding area.Adopt and can there is problems in that in this way due to crystal bonding area and negative pole wire welding area The boundlessness that is connected together is distinguished, and causes negative pole wire welding area too close to negative pin, and client is when welding the scolding tin pin of LED The heat that (including negative pin) produces can be delivered to the solder joint in negative pole wire welding area rapidly, causes this solder joint to come off formation rosin joint Phenomenon, thus affect the reliability of LED.
Summary of the invention
The application is intended to solve one of above-mentioned technical problem the most to a certain extent.
According to the first aspect of the application, the application provides a kind of LED support, including: it is provided with the pedestal of containing cavity, sets Being placed in the electrode slice on described pedestal and die bond sheet metal, described electrode slice includes: that be connected, be positioned at described containing cavity Wire welding area and pin, and by described wire welding area to the transition region of described pin transition, described die bond sheet metal have for The crystal bonding area of fixing LED chip, using described wire welding area to the direction of described pin transition as axially, the radial direction of described transition region It is smaller in size than the radial dimension of described transition region two side areas, the described wire welding area phase of described die bond sheet metal and described electrode slice Even.
Further, the radial dimension of described transition region is less than radial dimension of the 1/2 of described transition region two side areas.
Further, the radial dimension of described transition region is radial dimension of the 1/3 or 1/ of described transition region two side areas 4。
Further, described LED support includes: electrode film and negative electrode plate.
Further, described die bond sheet metal is connected with the described wire welding area of described electrode film or described negative electrode plate.
Further, described die bond sheet metal has the heat radiation leg being connected with described crystal bonding area.
According to the second aspect of the application, the application provides a kind of LED luminescence unit, including: LED support and be installed on LED chip on described LED support, described LED support includes: is provided with the pedestal of containing cavity, is arranged on described pedestal Electrode slice and die bond sheet metal, described electrode slice includes: that be connected, be positioned at wire welding area and the pin of described containing cavity, And had for fixing described LED chip to the transition region of described pin transition, described die bond sheet metal by described wire welding area Crystal bonding area, using described wire welding area to the direction of described pin transition as axially, the radial dimension of described transition region is less than institute Stating the radial dimension of transition region two side areas, described die bond sheet metal is connected with the described wire welding area of described electrode slice.
Further, the radial dimension of described transition region is less than radial dimension of the 1/2 of described transition region two side areas.
Further, the radial dimension of described transition region is radial dimension of the 1/3 or 1/ of described transition region two side areas 4。
Further, described LED support includes: electrode film and negative electrode plate.
Further, described die bond sheet metal is connected with the described wire welding area of described electrode film or described negative electrode plate.
Further, described die bond sheet metal has the heat radiation leg being connected with described crystal bonding area.
The application provides the benefit that:
By providing a kind of LED support and LED luminescence unit, described LED support includes: be provided with containing cavity pedestal, Being arranged at the electrode slice on described pedestal and die bond sheet metal, described electrode slice includes: that be connected, be positioned at described containing cavity Interior wire welding area and pin, and to the transition region of described pin transition, described die bond sheet metal, be there is use by described wire welding area In the crystal bonding area of fixing described LED chip, using described wire welding area to the direction of described pin transition as axially, described transition region Radial dimension less than the radial dimension of described transition region two side areas, the described weldering of described die bond sheet metal and described electrode slice Line district is connected.So, when carrying out the scolding tin of electrode slice pin, owing to transition region radial dimension is less so that pin scolding tin institute The heat produced will not rapidly diffuse into wire welding area and cause wire welding area solder joint to come off and form rosin joint phenomenon, it is ensured that LED's can By property.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LED luminescence unit of the embodiment of the present application.
Detailed description of the invention
Embodiments herein is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to be used for explaining the application, and it is not intended that restriction to the application.
In the description of the present application, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time Pin ", the orientation of the instruction such as " counterclockwise " or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of Describe the application and simplification description rather than instruction or the device of hint indication or element must have specific orientation, Yi Te Fixed azimuth configuration and operation, therefore it is not intended that restriction to the application.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In the description of the present application, " multiple " are meant that two or more, Unless otherwise expressly limited specifically.
In this application, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc. Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;It can be machine Tool connects, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units Connection within part.For the ordinary skill in the art, can understand that above-mentioned term is in this Shen as the case may be Concrete meaning in please.
In this application, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by it Other characterisation contact between.And, fisrt feature second feature " on ", " top " and " above " include that first is special Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " below " include that fisrt feature directly over second feature and oblique upper, or is merely representative of Fisrt feature level height is less than second feature.
Combine accompanying drawing below by detailed description of the invention the application is described in further detail.
Refer to Fig. 1, present embodiments provide a kind of LED luminescence unit, it can be used for various display, illumination, signal refer to The field such as show, specifically can be integrated into LED display, LED lamp bar or LED signal lamp etc..
Above-mentioned LED luminescence unit specifically includes that LED support 1 and the LED chip 2 being installed on LED support 1.LED props up Frame 1 includes: the pedestal 11 being provided with containing cavity 111, the electrode slice 12 being arranged on pedestal 11 and die bond sheet metal 13, electrode Sheet is divided into electrode film and negative electrode plate, electrode slice specifically include that wire welding area 121 that be connected, that be positioned at containing cavity 111 and Pin 122, and by wire welding area 121 to the transition region 123 of pin 122 transition.Die bond sheet metal 13 has for fixing LED The crystal bonding area of chip 2.For realizing the present embodiment purpose, using wire welding area 121 to the direction of pin 122 transition as axially, transition The radial dimension in district 123 is less than the radial dimension of transition region 123 two side areas, die bond sheet metal 13 and the wire welding area of electrode slice 12 121 are connected.
Specifically, can taper into or suddenly diminish to the radial dimension of transition region wire welding area, or, by pin to mistake The radial dimension crossing district can taper into or suddenly diminish, or, by wire welding area and pin to the radial dimension of transition region Taper into or suddenly diminish, or, can be tapered into the radial dimension of transition region by wire welding area or suddenly diminish same Time, to the radial dimension of transition region by pin can suddenly be diminished or taper into.
So, when carrying out the scolding tin of electrode slice pin, owing to transition region radial dimension is less so that pin scolding tin is produced Raw heat will not rapidly diffuse into wire welding area (effect is thermally isolated) and cause wire welding area solder joint to come off and form rosin joint phenomenon, it is ensured that The reliability of LED.
When specifically applying, effect being thermally isolated for improving, the radial dimension of transition region 123 is less than 123 liang of lateral areas of transition region Radial dimension of the 1/2 of territory.And as the presently preferred embodiments, the radial dimension of transition region 123 is the footpath of transition region 123 two side areas To the 1/3 or 1/4 of size.
In the present embodiment, die bond sheet metal 13 is connected with the wire welding area of electrode film.In other embodiments, die bond gold Belong to sheet 13 to be connected with the wire welding area of negative electrode plate.
As a kind of preferred embodiment, in order to strengthen LED support and the radiating effect of LED luminescence unit, die bond sheet metal There is the heat radiation leg being connected with crystal bonding area.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an enforcement Example ", " some embodiments ", " example ", the description of " concrete example " or " some examples " etc. mean to combine this embodiment or example The specific features, structure, material or the feature that describe are contained at least one embodiment or the example of the application.In this explanation In book, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the concrete spy of description Levy, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Above content is to combine the further description that the application is made by specific embodiment, it is impossible to assert this Shen Being embodied as please is confined to these explanations.For the application person of an ordinary skill in the technical field, do not taking off On the premise of the application conceives, it is also possible to make some simple deduction or replace.

Claims (10)

1. a LED support, including: it is provided with the pedestal of containing cavity, the electrode slice being arranged on described pedestal and die bond gold Belonging to sheet, described electrode slice includes: that be connected, be positioned at wire welding area and the pin of described containing cavity, and by described wire welding area To the transition region of described pin transition, described die bond sheet metal has the crystal bonding area for fixing LED chip, it is characterised in that Using described wire welding area to the direction of described pin transition as axially, the radial dimension of described transition region is less than described transition region two The radial dimension of side region, described die bond sheet metal is connected with the described wire welding area of described electrode slice.
2. LED support as claimed in claim 1, it is characterised in that the radial dimension of described transition region is less than described transition region Radial dimension of the 1/2 of two side areas.
3. LED support as claimed in claim 2, it is characterised in that the radial dimension of described transition region is described transition region two Radial dimension of the 1/3 or 1/4 of side region.
4. LED support as claimed in claim 1, it is characterised in that described LED support includes: electrode film and negative electrode plate.
5. LED support as claimed in claim 4, it is characterised in that described die bond sheet metal and described electrode film or described The described wire welding area of negative electrode plate is connected.
6. LED support as claimed in claim 5, it is characterised in that described die bond sheet metal has and is connected with described crystal bonding area Logical heat radiation leg.
7. a LED luminescence unit, including: LED support and be installed on the LED chip on described LED support, described LED props up Frame includes: be provided with the pedestal of containing cavity, the electrode slice being arranged on described pedestal and die bond sheet metal, described electrode slice bag Include: that be connected, be positioned at wire welding area and the pin of described containing cavity, and by described wire welding area to the mistake of described pin transition Crossing district, described die bond sheet metal has the crystal bonding area for fixing described LED chip, it is characterised in that with described wire welding area to The direction of described pin transition is as axially, and the radial dimension of described transition region is less than the radial ruler of described transition region two side areas Very little, described die bond sheet metal is connected with the described wire welding area of described electrode slice.
8. LED luminescence unit as claimed in claim 7, it is characterised in that the radial dimension of described transition region is less than described mistake Cross radial dimension of the 1/2 of district's two side areas.
9. LED luminescence unit as claimed in claim 8, it is characterised in that the radial dimension of described transition region is described transition Radial dimension of the 1/3 or 1/4 of district's two side areas.
10. LED luminescence unit as claimed in claim 7, it is characterised in that described LED support includes: electrode film and negative electricity Pole piece.
CN201490000319.8U 2014-11-20 2014-11-20 LED support and LED luminescence unit Expired - Fee Related CN205845998U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/091726 WO2016078052A1 (en) 2014-11-20 2014-11-20 Led support and led light emitting unit

Publications (1)

Publication Number Publication Date
CN205845998U true CN205845998U (en) 2016-12-28

Family

ID=56013081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201490000319.8U Expired - Fee Related CN205845998U (en) 2014-11-20 2014-11-20 LED support and LED luminescence unit

Country Status (2)

Country Link
CN (1) CN205845998U (en)
WO (1) WO2016078052A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946432A (en) * 2017-12-13 2018-04-20 博罗县正润光电有限公司 One kind is molded uniform LED support
CN110529766A (en) * 2019-09-29 2019-12-03 周莉莉 A kind of deformable multipurpose way LED light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201628185U (en) * 2009-07-02 2010-11-10 弘凯光电(深圳)有限公司 Light emitting diode support and packaging structure thereof
CN101834267B (en) * 2010-04-30 2013-07-10 深圳市奥伦德元器件有限公司 Planar bracket and encapsulating method
CN201732814U (en) * 2010-07-20 2011-02-02 深圳市聚飞光电股份有限公司 LED support and LED comprising the same for improving reliability
CN202167539U (en) * 2011-07-28 2012-03-14 深圳市聚飞光电股份有限公司 LED support and LED
CN203445146U (en) * 2013-07-17 2014-02-19 邓青平 Directly-surface mounted type LED support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946432A (en) * 2017-12-13 2018-04-20 博罗县正润光电有限公司 One kind is molded uniform LED support
CN110529766A (en) * 2019-09-29 2019-12-03 周莉莉 A kind of deformable multipurpose way LED light

Also Published As

Publication number Publication date
WO2016078052A1 (en) 2016-05-26

Similar Documents

Publication Publication Date Title
CN205845998U (en) LED support and LED luminescence unit
CN101943356B (en) Backlight module and luminous source encapsulation structure thereof
CN103047585A (en) Lateral incidence type backlight module and liquid crystal television
CN203799156U (en) LCD (liquid crystal display)
CN204678084U (en) LED support and LED luminescence unit
US9640740B2 (en) LED lighting device and packaging method
CN205782290U (en) Led street lamp
CN203367365U (en) LED back light source with high heat dissipation
CN205842274U (en) Carry the LED strand of constant current chip
CN205790041U (en) Led module
CN204268234U (en) Structure improved backlight
CN206712892U (en) A kind of high cell phone back light source of light transmittance
CN207504001U (en) A kind of LED encapsulation stent module and LED encapsulation structure
CN204333003U (en) A kind of support
CN206347393U (en) A kind of backlight arrangement for metal plate vision-based detection
CN204629385U (en) A kind of imitative lumen LED lamp holder
CN206134679U (en) Led module
CN204333001U (en) A kind of high light-emitting rate LED support and LED
CN209087905U (en) Separable LED support plate
CN205157933U (en) Display module assembly and LCD
CN207648527U (en) A kind of double LED bar graph lamps hung of waterproof
CN204717395U (en) LED luminescence unit
CN206989017U (en) A kind of LED bay light
CN208255592U (en) A kind of high brightness LCD display
CN207586592U (en) A kind of vehicle mounted guidance back light source structure

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161228

Termination date: 20171120

CF01 Termination of patent right due to non-payment of annual fee