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CN106338011A - LED with heat and electricity separation - Google Patents

LED with heat and electricity separation Download PDF

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Publication number
CN106338011A
CN106338011A CN201610785404.5A CN201610785404A CN106338011A CN 106338011 A CN106338011 A CN 106338011A CN 201610785404 A CN201610785404 A CN 201610785404A CN 106338011 A CN106338011 A CN 106338011A
Authority
CN
China
Prior art keywords
led
heat
heat sink
shape groove
bowl shape
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.)
Pending
Application number
CN201610785404.5A
Other languages
Chinese (zh)
Inventor
罗学民
刘宇
罗浩民
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.)
CHANGXING YOUCHANG ELECTRONICS Co Ltd
Original Assignee
CHANGXING YOUCHANG ELECTRONICS Co Ltd
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 CHANGXING YOUCHANG ELECTRONICS Co Ltd filed Critical CHANGXING YOUCHANG ELECTRONICS Co Ltd
Priority to CN201610785404.5A priority Critical patent/CN106338011A/en
Publication of CN106338011A publication Critical patent/CN106338011A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)

Abstract

The invention discloses an LED with heat and electricity separation. The LED with heat and electricity separation comprises an LED bracket and an LED chip; the LED chip is composed of an LED main body; a heat sink is arranged at the bottom of the LED main body; electrodes are arranged on the two sides of the LED main body; a sunken bowl cup type groove is formed in the upper surface of the LED bracket; a radiator is arranged at the bottom of the LED bracket; the bottom surface of the bowl cup type groove is provided with a heat conduction block which is connected with the radiator and two electrode contacts; an insulation layer for partitioning the heat conduction block from the electrode contacts is arranged in the LED bracket; the LED chip is arranged on the bottom surface of the bowl cup type groove; the heat sink is arranged on the top of the heat conduction block and is in contact to the heat conduction block; and the electrodes on the two sides of the LED main body are electrically connected with the two electrode contacts respectively. With adoption of the LED with heat and electricity separation, the heat dissipation performance is good, the use reliability of the LED is improved, and the service life of the LED is prolonged.

Description

A kind of thermoelectricity separates led
Technical field
The present invention relates to led technical field, more particularly, to a kind of thermoelectricity separation led.
Background technology
With the continuous development of semiconductor, led has the advantages such as environmental protection, long-life, high brightness with it, just in recent years It is widely used in industry-by-industry, reliability when led is used and service life require more and more higher so as to led's Radiating treatment is put forward higher requirement, particularly to high-power led.Traditional led radiating mode is that led is welded on electricity On the sheet material of road, then by sheet material shape on heat abstractor, between led and heat abstractor, clip a layer circuit board material, the biography of sheet material Thermal effect is not good, leads to led radiating effect bad.
Content of the invention
The purpose of the present invention is to overcome existing thermoelectricity to separate the bad technical problem of led radiating, there is provided a kind of thermoelectricity divides From led, its perfect heat-dissipating, improve dependability and the service life of led.
In order to solve the above problems, the present invention employs the following technical solutions and is achieved:
A kind of thermoelectricity of the present invention separates led, and including led support and led chip, described led chip includes led main body, described Led bottom part body is provided with heat sink, and described led main body both sides are provided with electrode, and described led rack upper surface is provided with recessed bowl shape Groove, described led frame bottom is provided with radiator, and the bottom surface of described bowl shape groove is provided with the heat-conducting block connecting radiator, institute The bottom surface stating bowl shape groove is additionally provided with two electrode contacts, is provided with and separates heat-conducting block with electrode contacts in described led support Insulating barrier, described led chip is arranged on the bottom surface of bowl shape groove, described heat sink connects positioned at heat-conducting block top and with heat-conducting block Touch, the electrode of described led main body both sides is electrically connected with two electrode contacts respectively.
In the technical program, heat that led chip sends passes sequentially through heat sink, heat-conducting block and is delivered to radiator, leads to and dissipates Hot device exhales.Separated by insulating barrier between heat-conducting block and electrode contacts, realize thermoelectricity and separate.
Preferably, described radiator includes heat sink, described heat sink lower surface is provided with several radiating fins, radiating Fin is perpendicular with heat sink, and described radiating fin is provided with several the first louvres.First louvre is favorably improved scattered The thermal efficiency.
Preferably, described heat sink is provided with several the second louvres.Second louvre is favorably improved radiating effect Rate.
Preferably, the first louvre and the second louvre are all horizontally disposed through hole.All first louvres and Two louvres are all interconnected.
Heat sink it is provided with heat-conducting cream preferably, described.
Preferably, described bowl shape groove top is provided with ring-shaped step.It is provided with ring-shaped step in bowl shape groove top, Reduce stress in use caused by high temperature for the led support, prevent led to lose efficacy.
Preferably, being provided with transparent colloid layer in described bowl shape groove, it is provided with the cavity that described ring-shaped step surrounds Low reflective colloid layer.The cavity that ring-shaped step surrounds is the cavity between annular table terrace place plane and led rack upper surface, It is filled with low reflective colloid layer in this cavity, low reflective colloid layer is located at the top of transparent colloid layer.Low reflective colloid layer energy Effectively reducing the reflection of the light projecting its surface, thus improving gray scale and the contrast of led, solving led diplopia, dazzle institute The visual effect causing is not good enough.The thinner thickness of low reflective colloid layer is it is ensured that the brightness of led.
Preferably, the upper surface of described low reflective colloid layer is uneven.Light projects the surface of colloid, a part Part reflection can be absorbed and be scattered, also part is reflected by colloid, reflects through colloid, low reflective colloid layer table again Less, the gray scale of raising led and contrast further is then reflected in face more out-of-flatness.
Preferably, undulate on the upper surface microcosmic of described low reflective colloid layer.
The invention has the beneficial effects as follows: (1) perfect heat-dissipating, improve dependability and the service life of led.(2) It is provided with ring-shaped step in bowl shape groove top, reduce stress in use caused by high temperature for the led support, prevent Led lost efficacy.(3) pass through to arrange, in rack upper surface, the reflection that one layer low reflective colloid layer reduces the light projecting its surface, Thus improving gray scale and the contrast of led, the visual effect solving caused by led diplopia, dazzle is not good enough.
Brief description
Fig. 1 is a kind of structural representation of the present invention.
In figure: 1, led support, 2, led main body, 3, heat sink, 4, electrode, 5, bowl shape groove, 6, heat-conducting block, 7, electrode touches Point, 8, insulating barrier, 9, heat sink, 10, radiating fin, the 11, first louvre, the 12, second louvre, 13, ring-shaped step, 14, Transparent colloid layer, 15, low reflective colloid layer.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment: a kind of thermoelectricity of the present embodiment separates led, as shown in figure 1, include led support 1 and led chip, led Chip includes led main body 2, and led main body 2 bottom is provided with heat sink 3, led main body 2 both sides and is provided with electrode 4, and led support 1 upper surface sets There is recessed bowl shape groove 5, led support 1 bottom is provided with radiator, the bottom surface of bowl shape groove 5 is provided with and connects radiator Heat-conducting block 6, the bottom surface of bowl shape groove 5 is additionally provided with two electrode contacts 7, and two electrode contacts 7 are located at the two of heat-conducting block 6 respectively Side, is provided with the insulating barrier 8 separating heat-conducting block 6 with electrode contacts 7 between heat-conducting block 6 and electrode contacts 7, led chip is arranged on The bottom surface of bowl shape groove 5, heat sink the 3 of led chip is located at heat-conducting block 6 top and is in close contact with heat-conducting block 6, sets on heat sink 3 There is heat-conducting cream, the electrode 4 of led main body 2 both sides is electrically connected with two electrode contacts 7 respectively.
Radiator includes heat sink 9, and heat sink 9 lower surface is provided with several radiating fins 10, radiating fin 10 and radiating Plate 9 is perpendicular, and radiating fin 10 is provided with several the first louvres 11, and heat sink 9 is provided with several the second louvres 12, First louvre 11 and the second louvre 12 are all horizontally disposed through hole, and all first louvres 11 and the second louvre 12 are all It is interconnected.The first louvre being interconnected and the second louvre are favorably improved radiating efficiency.
The heat that led chip sends passes sequentially through heat sink, heat-conducting block and is delivered to radiator, and logical radiator exhales.Lead Separated by insulating barrier between hot block and electrode contacts, the positive and negative electrode of led chip is connected energising with electrode contacts, realizes thermoelectricity Separate.Led support is respectively provided on two sides with electrode pin, and two electrode contacts pass through the conductive channel and two in led support respectively Individual electrode pin electrical connection, conductive channel is separated by insulating barrier with heat-conducting block.
Bowl shape groove 5 top is provided with ring-shaped step 13, is provided with transparent colloid layer 14, ring-shaped step in bowl shape groove 5 It is provided with low reflective colloid layer 15 in 13 cavitys surrounding.
Be provided with ring-shaped step in bowl shape groove top, reduce led support in use caused by high temperature should Power, prevents led to lose efficacy.The cavity that ring-shaped step surrounds is the sky between annular table terrace place plane and led rack upper surface Chamber, is filled with low reflective colloid layer in this cavity, and low reflective colloid layer is located at the top of transparent colloid layer.Low reflective colloid layer The reflection of the light projecting its surface effectively being reduced, thus improving gray scale and the contrast of led, solving led diplopia, dazzle Caused visual effect is not good enough.The thinner thickness of low reflective colloid layer is it is ensured that the brightness of led.
The upper surface of low reflective colloid layer 15 is uneven, undulate on microcosmic.Light projects the surface of colloid, and one Part can be absorbed part reflection and be scattered, and also part is reflected by colloid, reflects through colloid, low reflective colloid again Less, the gray scale of raising led and contrast further is then reflected in layer surface more out-of-flatness.

Claims (9)

1. a kind of thermoelectricity separate led it is characterised in that: include led support (1) and led chip, described led chip includes led master Body (2), described led main body (2) bottom is provided with heat sink (3), and described led main body (2) both sides are provided with electrode (4), described led support (1) upper surface is provided with recessed bowl shape groove (5), and described led support (1) bottom is provided with radiator, described bowl shape groove (5) bottom surface is provided with the heat-conducting block (6) connecting radiator, and the bottom surface of described bowl shape groove (5) is additionally provided with two electrode contacts (7), it is provided with the insulating barrier (8) that heat-conducting block (6) and electrode contacts (7) are separated in described led support (1), described led chip sets Put the bottom surface in bowl shape groove (5), described heat sink (3) are located at heat-conducting block top and are contacted with heat-conducting block (6), described led master The electrode (4) of body (2) both sides is electrically connected with two electrode contacts (7) respectively.
2. a kind of thermoelectricity according to claim 1 separate led it is characterised in that: described radiator includes heat sink (9), Described heat sink (9) lower surface is provided with several radiating fins (10), and radiating fin (10) is perpendicular with heat sink (9), described Radiating fin (10) is provided with several the first louvres (11).
3. a kind of thermoelectricity according to claim 2 separate led it is characterised in that: described heat sink (9) is provided with several Second louvre (12).
4. a kind of thermoelectricity according to claim 3 separate led it is characterised in that: described first louvre (11) and second Louvre (12) is all horizontally disposed through hole.
5. a kind of thermoelectricity according to claim 1 or 2 or 3 or 4 separate led it is characterised in that: set on described heat sink (3) There is heat-conducting cream.
6. a kind of thermoelectricity according to claim 1 or 2 or 3 or 4 separate led it is characterised in that: described bowl shape groove (5) top is provided with ring-shaped step (13).
7. a kind of thermoelectricity according to claim 6 separate led it is characterised in that: be provided with described bowl shape groove (5) Bright colloid layer (14), is provided with low reflective colloid layer (15) in the cavity that described ring-shaped step (13) surrounds.
8. a kind of thermoelectricity according to claim 7 separate led it is characterised in that: described low reflective colloid layer (15) upper Surface irregularity.
9. a kind of thermoelectricity according to claim 8 separate led it is characterised in that: described low reflective colloid layer (15) upper Undulate on surface microscopic.
CN201610785404.5A 2016-08-31 2016-08-31 LED with heat and electricity separation Pending CN106338011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610785404.5A CN106338011A (en) 2016-08-31 2016-08-31 LED with heat and electricity separation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610785404.5A CN106338011A (en) 2016-08-31 2016-08-31 LED with heat and electricity separation

Publications (1)

Publication Number Publication Date
CN106338011A true CN106338011A (en) 2017-01-18

Family

ID=57822357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610785404.5A Pending CN106338011A (en) 2016-08-31 2016-08-31 LED with heat and electricity separation

Country Status (1)

Country Link
CN (1) CN106338011A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110000001A (en) * 2009-06-24 2011-01-03 주식회사 이그잭스 A led array board and a preparing method therefor
CN102130268A (en) * 2010-01-19 2011-07-20 富士迈半导体精密工业(上海)有限公司 Solid-state light-emitting component and light source module
WO2011136404A1 (en) * 2010-04-28 2011-11-03 주식회사 웨이브닉스이에스피 Photonic device package module and manufacturing method thereof
CN202056669U (en) * 2011-03-31 2011-11-30 陈希林 Led street lamp
CN102354725A (en) * 2011-10-29 2012-02-15 华南师范大学 High-power light emitting diode with radiating substrate made of diamond-like film-copper composite material
CN103148411A (en) * 2013-02-05 2013-06-12 毕振华 Energy-saving explosion-proof LED (light emitting diode) lamp for mines
CN104100951A (en) * 2014-08-05 2014-10-15 东莞市闻誉实业有限公司 Combined radiator
CN204372746U (en) * 2015-01-16 2015-06-03 浙江紫金光伏科技有限公司 A kind of LED street lamp radiator
CN105042544A (en) * 2015-08-31 2015-11-11 江苏翠钻照明有限公司 Heat dissipation device for LED lamp
CN205065472U (en) * 2015-10-19 2016-03-02 天津天新世纪照明工程有限公司 A superconductive aluminium base board of thermoelectric separation for projecting lamp
CN105627196A (en) * 2016-02-17 2016-06-01 苏州佳亿达电器有限公司 Efficient radiating LED street lamp
CN105684170A (en) * 2013-08-09 2016-06-15 株式会社光波 Light emitting device
CN206116456U (en) * 2016-08-31 2017-04-19 长兴友畅电子有限公司 LED of thermoelectric separation encapsulation

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110000001A (en) * 2009-06-24 2011-01-03 주식회사 이그잭스 A led array board and a preparing method therefor
CN102130268A (en) * 2010-01-19 2011-07-20 富士迈半导体精密工业(上海)有限公司 Solid-state light-emitting component and light source module
WO2011136404A1 (en) * 2010-04-28 2011-11-03 주식회사 웨이브닉스이에스피 Photonic device package module and manufacturing method thereof
CN202056669U (en) * 2011-03-31 2011-11-30 陈希林 Led street lamp
CN102354725A (en) * 2011-10-29 2012-02-15 华南师范大学 High-power light emitting diode with radiating substrate made of diamond-like film-copper composite material
CN103148411A (en) * 2013-02-05 2013-06-12 毕振华 Energy-saving explosion-proof LED (light emitting diode) lamp for mines
CN105684170A (en) * 2013-08-09 2016-06-15 株式会社光波 Light emitting device
CN104100951A (en) * 2014-08-05 2014-10-15 东莞市闻誉实业有限公司 Combined radiator
CN204372746U (en) * 2015-01-16 2015-06-03 浙江紫金光伏科技有限公司 A kind of LED street lamp radiator
CN105042544A (en) * 2015-08-31 2015-11-11 江苏翠钻照明有限公司 Heat dissipation device for LED lamp
CN205065472U (en) * 2015-10-19 2016-03-02 天津天新世纪照明工程有限公司 A superconductive aluminium base board of thermoelectric separation for projecting lamp
CN105627196A (en) * 2016-02-17 2016-06-01 苏州佳亿达电器有限公司 Efficient radiating LED street lamp
CN206116456U (en) * 2016-08-31 2017-04-19 长兴友畅电子有限公司 LED of thermoelectric separation encapsulation

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Application publication date: 20170118

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