CN105006516B - A kind of LED heat abstractor - Google Patents

A kind of LED heat abstractor Download PDF

Info

Publication number
CN105006516B
CN105006516B CN201510470821.6A CN201510470821A CN105006516B CN 105006516 B CN105006516 B CN 105006516B CN 201510470821 A CN201510470821 A CN 201510470821A CN 105006516 B CN105006516 B CN 105006516B
Authority
CN
China
Prior art keywords
heat
led
led chip
support
conducting plate
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.)
Active
Application number
CN201510470821.6A
Other languages
Chinese (zh)
Other versions
CN105006516A (en
Inventor
刘永蒋
李婉珍
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.)
Taizhou Lijing Optoelectronic Technology Co.,Ltd.
Original Assignee
Zhejiang Fusen Electronic Technology 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 Zhejiang Fusen Electronic Technology Co Ltd filed Critical Zhejiang Fusen Electronic Technology Co Ltd
Priority to CN201510470821.6A priority Critical patent/CN105006516B/en
Publication of CN105006516A publication Critical patent/CN105006516A/en
Application granted granted Critical
Publication of CN105006516B publication Critical patent/CN105006516B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
    • H01L33/64Heat extraction or cooling elements
    • H01L33/644Heat extraction or cooling elements in intimate contact or integrated with parts of the device other than the semiconductor body
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
    • H01L33/64Heat extraction or cooling elements
    • H01L33/641Heat extraction or cooling elements characterized by the materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
    • H01L33/64Heat extraction or cooling elements
    • H01L33/642Heat extraction or cooling elements characterized by the shape

Abstract

The invention provides a kind of LED heat abstractor, belongs to LED encapsulation technologies field.It solves the technical problem such as radiating effect is bad of existing LED.This LED heat abstractor includes cooling stand and LED chip, LED chip is on cooling stand, it is characterized in that, heat-conducting plate is fixed with cooling stand, the lower surface of heat-conducting plate is fixedly connected and is bonded with the upper surface of cooling stand, heat abstractor also includes metallized film, the lower surface of metallized film is fixedly connected and is bonded with the upper surface of heat-conducting plate, LED chip is fixedly connected with the upper surface of metallized film by crystal-bonding adhesive, and the area of the upper surface of metallized film is more than the area of the lower surface of LED chip.Invention increases the area of dissipation of LED chip, the temperature of LED chip preferably by the heat derives of LED chip, and distribute, can be effectively reduced, improves LED thermal diffusivity.

Description

A kind of LED heat abstractor
Technical field
The invention belongs to LED encapsulation technologies field, is related to a kind of LED heat abstractor.
Background technology
LED (light emitting diode) encapsulates the encapsulation for referring to luminescence chip, has relatively big difference compared to integrated antenna package.LED Encapsulation be not only required to protect wick, but also will being capable of printing opacity.So LED encapsulation has special want to encapsulating material Ask.
Into after 21 century, LED high efficiency, super brightness, panchromaticization continue to develop innovation, and red, orange LED light effect is Reach 100Im/W, green LED is 501m/W, and single LED luminous flux also reaches tens of Im.LED chip and encapsulation no longer follow biography The design concept of system and manufacture production model, in terms of the light output of increase chip, research and development are not limited only to miscellaneous in change material Prime number amount, lattice defect and dislocation improve internal efficiency, meanwhile, how to improve tube core and encapsulation internal structure, strengthen in LED Portion produces the probability of photon outgoing, improves light efficiency, solves radiating, takes light and heat sink optimization design, improvement optical property, accelerometer Face attachmentization SMD processes are even more the main flow direction of industrial circle research and development.
Such as a kind of LED encapsulation method of disclosure of the invention of Application No. " 201410131483.9 ", for encapsulating LED devices Part, the LED component include substrate, installation LED chip on the substrate and the lens being wrapped in outside the LED chip, Comprise the following steps:First time dispensing is carried out above LED chip, being then cooled to room temperature makes it be formed by curing basal layer, the Once dispensing amount for dispensing glue at least wraps up LED chip but and does not spill over substrate edges;It is repeated several times and performs following sub-step in institute State and stack layer is formed on basal layer to collectively form lens with basal layer:Dispensing again is carried out above the basal layer summit, Then being cooled to room temperature makes its solidification.Although the inventive method can also control lens shaped well in the case where not needing mould Shape, the lens compared with large ratio of height to width are formed, but the LED thermal diffusivities after encapsulation are not high, can not tackle higher and higher radiating requirements.
The content of the invention
The present invention is directed to above mentioned problem existing for existing technology, there is provided a kind of LED heat abstractor, the present invention to be solved Technical problem certainly is:How LED thermal diffusivity is improved.
The purpose of the present invention can be realized by following technical proposal:
A kind of LED heat abstractor, the heat abstractor include cooling stand and LED chip, and the LED chip is located at institute State on cooling stand, it is characterised in that heat-conducting plate is fixed with the cooling stand, the lower surface of the heat-conducting plate dissipates with described The upper surface of hot support is fixedly connected and is bonded, and the heat abstractor also includes metallized film, the metallized film Lower surface is fixedly connected and is bonded with the upper surface of the heat-conducting plate, and the upper surface of the LED chip and metallized film leads to Cross crystal-bonding adhesive to be fixedly connected, the area of the upper surface of the metallized film is more than the area of the lower surface of the LED chip.
Its operation principle is as follows:Above-mentioned cooling stand is made up of the preferable material of thermal conductivity, and above-mentioned crystal-bonding adhesive has good Heat resistance and thermal conductivity, above-mentioned heat-conducting plate passes through insulation processing, has preferable insulating properties;LED basic structure is one Individual P-N junction, when electric current is by LED original papers, the temperature of P-N junction can rise, because the size of LED chip is smaller, the temperature of P-N junction Degree is similar to the temperature of LED chip, and the temperature of LED chip can be passed to metal by this LED heat abstractor by crystal-bonding adhesive Change film, then because the area of the upper surface of metallized film is more than the area of the lower surface of LED chip, and metallized film With good thermal diffusivity and thermal conductivity, the heat part that crystal-bonding adhesive passes over gives out from the upper surface of metallized film Go, another part passes to heat-conducting plate from the lower surface of metallized film, and passes to what is be bonded with heat-conducting plate by heat-conducting plate Cooling stand, and distributed from the surface of cooling stand, the design of the heat abstractor increases the area of dissipation of LED chip, The temperature of LED chip preferably by the heat derives of LED chip, and distribute, can be effectively reduced, improves dissipating for LED It is hot.
In a kind of above-mentioned LED heat abstractor, the cooling stand dissipates including first support, second support, first Hot plate and the second heat sink, the first support and second support are in the same plane and have space between the two, described First support and second support are connected by heat-conducting plate, and first heat sink is fixed on the upper surface of first support and is located at institute The outside of first support is stated, second heat sink is fixed on the upper surface of second support and positioned at the outer of the second support Side.It is because both can be made of an electrically conducting material, if both are straight to have space between above-mentioned first support and second support Contact, then electric current directly by first support and second support by forming short circuit, producing dangerous hidden danger;First heat sink With the further increasing heat radiation area that is designed to of the second heat sink, radiating effect is improved;Alternatively, it is above-mentioned First heat sink and the second heat sink can also be the structures of other increase area of dissipations such as fin or projection.
In a kind of above-mentioned LED heat abstractor, the first support is provided with cathode contact, the cathode contact position Between first heat sink and heat-conducting plate, the second support is provided with cathode contact, and the cathode contact is positioned at described Between second heat sink and the heat-conducting plate, the LED chip is electric with the cathode contact and cathode contact respectively by wire Connection.The setting of above-mentioned cathode contact and cathode contact not only makes this construction for heat radiating device compacter, and cathode contact and Caused heat also can rapidly be exhaled by cooling stand on cathode contact, further increase LED radiating effect Fruit;Alternatively, the position of the cathode contact and the cathode contact can exchange.
In a kind of above-mentioned LED heat abstractor, the metallized film includes film layer, pear skin layer and metal level, The pear skin layer is formed by film layer roughening treatment, and the pear skin layer is between film layer and metal level, the metal level Lower surface be bonded with the upper surface of the pear skin layer, the film layer is connected with the heat-conducting plate, the upper table of the metal level Face is fixed with crystal-bonding adhesive, the crystal-bonding adhesive by the thickness of the lower surface covering of the LED chip and crystal-bonding adhesive 5 μm -10 μm it Between.Film layer forms the equally rough pear skin layer in similar pear skin surface after roughening treatment, and pear skin layer is designed to The firmness that increase metal level is connected with pear skin layer;Crystal-bonding adhesive by the covering of the lower surface of LED chip be in order to increase LED chip with The connection area of crystal-bonding adhesive, make the more efficient of heat transfer between the two;In the range of the thickness of crystal-bonding adhesive is somebody's turn to do at 5 μm -10 μm When, the metal level of metallized film and the degree of being connected firmly of LED chip are preferable, while the heat transference efficiency of crystal-bonding adhesive is also higher, When the thickness of crystal-bonding adhesive is 7 μm, effect is best.
In a kind of above-mentioned LED heat abstractor, the thickness of the film layer is more than or equal to 20 μm, the pear skin layer The scope of thickness is 10 μm -20 μm, and the scope of the thickness of the metal level is 10 μm -20 μm.The thickness of film layer is more than or equal to At 20 μm, film will not deform when being metallized;The scope of the thickness of pear skin layer be 10 μm -20 μm when, metal level with The degree of being connected firmly of pear skin layer is preferable, wherein optimal when the thickness of pear skin layer is 15 μm;The scope of the thickness of metal level is 10 μ At m-20 μm, the thermal conductivity of metallized film and anti-breakdown effect are preferable, when the thickness of metal level is 15 μm optimal.
Compared with prior art, advantages of the present invention is as follows:
1st, the temperature of LED chip can be passed to metallized film, Ran Houyou by this LED heat abstractor by crystal-bonding adhesive Area in the upper surface of metallized film is more than the area of the lower surface of LED chip, and metallized film has good dissipate Hot and thermal conductivity, the heat part that crystal-bonding adhesive passes over distribute from the upper surface of metallized film, another part Heat-conducting plate is passed to from the lower surface of metallized film, and the cooling stand being bonded with heat-conducting plate is passed to by heat-conducting plate, and Distributed from the surface of cooling stand, the design of the heat abstractor increases the area of dissipation of LED chip, can preferably by The heat derives of LED chip, and distribute, the temperature of LED chip is effectively reduced, improves LED thermal diffusivity;
2nd, the first heat sink and the second heat sink are designed to further increasing heat radiation area, improve radiating effect.
Brief description of the drawings
Fig. 1 is the structural representation of this LED heat abstractor.
Fig. 2 is the partial sectional view of this metallized film.
In figure, 1 cooling stand;2LED chips;3 heat-conducting plates;4 metallized films;5 crystal-bonding adhesives;6 first supports;7 second Frame;8 first heat sinks;9 second heat sinks;10 cathode contacts;11 cathode contacts;12 wires;13 film layers;14 pear skin layers;15 Metal level.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
LED basic structure is a P-N junction, and when electric current passes through LED element, the temperature of P-N junction can rise, due to The size of LED chip 2 is smaller, and the temperature of P-N junction is similar to the temperature of LED chip 2, and this LED heat abstractor can be effective Thermal diffusivity is improved, reduces the operating temperature of LED chip 2.
As depicted in figs. 1 and 2, this LED heat abstractor includes cooling stand 1, LED chip 2 and metallized film 4, this Metallized film 4 in embodiment is made up of polyimides or polyimide modified material, the metal made of polyimides Changing film 4 has excellent heat-resisting quantity (high temperature resistant is up to more than 400 DEG C), electric insulating quality and radiation resistance, and high temperature is certainly The advantages that viscous sealing.Cooling stand 1 is made up of the preferable material of thermal conductivity, is made of copper in the present embodiment, radiating branch Heat-conducting plate 3 is fixed with frame 1, the lower surface of metallized film 4 is fixedly connected and is bonded with the upper surface of heat-conducting plate 3, LED core Piece 2 is fixedly connected with the upper surface of metallized film 4 by crystal-bonding adhesive 5, and the crystal-bonding adhesive 5 has good heat resistance and heat conduction Property, the area of the upper surface of metallized film 4 is more than the area of the lower surface of LED chip 2.
As shown in figure 1, cooling stand 1 includes first support 6, second support 7, the first heat sink 8 and the second heat sink 9, First support 6 and second support 7 are in the same plane and have space between the two, the first support 6 and second support 7 it Between there is space to be because both can be made of an electrically conducting material, if both directly contacts, electric current directly passes through first Frame 6 and second support 7 are by forming short circuit, producing dangerous hidden danger;The lower surface of heat-conducting plate 3 upper table with first support 6 respectively Face is fixedly connected and is bonded with the upper surface of second support 7, and this is designed to the heat transfer by heat-conducting plate 3 to first support 6 and second support 7, increasing heat radiation area, improve LED radiating effect.
In this heat abstractor, the first heat sink 8 is fixed on the upper surface of first support 6 and is located at the outside of first support 6, First support 6 is provided with cathode contact 10, and cathode contact 10 is between the first heat sink 8 and heat-conducting plate 3;Second heat sink 9 It is fixed on the upper surface of second support 7 and is provided with cathode contact 11 positioned at the outside of second support 7, second support 7, negative pole touches Point 11 between the second heat sink 9 and heat-conducting plate 3, LED chip 2 by wire 12 respectively with cathode contact 10 and cathode contact 11 electrical connections;Heat-conducting plate 3 passes through insulation processing, has preferable insulating properties, therefore electric current will not enter heat-conducting plate 3 and be touched from positive pole Point 10 flows to cathode contact 11, and in the present embodiment, heat-conducting plate 3 is made by gold-tin alloy material;First heat sink 8 and Two heat sinks 9 are designed to further increasing heat radiation area, improve radiating effect, alternatively, above-mentioned the One heat sink 8 and the second heat sink 9 can also be the structures of other increase area of dissipations such as fin or projection;Cathode contact 10 and the setting of cathode contact 11 not only make this construction for heat radiating device compacter, and on cathode contact 10 and cathode contact 11 Caused heat also can rapidly be exhaled by cooling stand 1, further increase LED radiating effect;As another The position of a kind of scheme, cathode contact 10 and cathode contact 11 can exchange.
As shown in Fig. 2 metallized film 4 includes film layer 13, pear skin layer 14 and metal level 15, the thickness of film layer 13 is big In equal to 20 μm, because when the thickness of film layer 13 is more than or equal to 20 μm, film will not just deform when being metallized; Film layer 13 forms the equally rough pear skin layer 14 in similar pear skin surface after roughening treatment, and the pear skin layer 14 is positioned at thin Between film layer 13 and metal level 15, the lower surface of metal level 15 is bonded with the upper surface of pear skin layer 14, the design energy of pear skin layer 14 The firmness that enough increase metal level 15 is connected with pear skin layer 14, and the scope of the thickness of pear skin layer 14 is 10 μm -20 μm, at this The degree of being connected firmly of scope inner metal layer 15 and pear skin layer 14 is preferable, wherein optimal when the thickness of pear skin layer 14 is 15 μm;Gold The scope for belonging to the thickness of layer 15 is 10 μm -20 μm, and now the thermal conductivity of metallized film 4 and anti-breakdown effect are preferable, work as metal Optimal when the thickness of layer 15 is 15 μm.
As depicted in figs. 1 and 2, film layer 13 is connected with heat-conducting plate 3, and the upper surface of metal level 15 is fixed with crystal-bonding adhesive 5, Gu Brilliant glue 5 covers the lower surface of LED chip 2, and the design can increase the connection area of LED chip 2 and crystal-bonding adhesive 5, make both Between heat transfer it is more efficient;The thickness of crystal-bonding adhesive 5 between 5 μm -10 μm, when crystal-bonding adhesive 5 thickness within the range when, The metal level 15 and the degree of being connected firmly of LED chip 2 of metallized film 4 are preferable, at the same the heat transference efficiency of crystal-bonding adhesive 5 also compared with Height, also, when the thickness of crystal-bonding adhesive 5 is 7 μm, effect is best.
The temperature of LED chip 2 can be passed to metallized film 4 by this LED heat abstractor by crystal-bonding adhesive 5, then Because the area of the upper surface of metallized film 4 is more than the area of the lower surface of LED chip 2, and metallized film 4 has very well Thermal diffusivity and thermal conductivity, the heat part that crystal-bonding adhesive 5 passes over distributed from the upper surface of metallized film 4, separately A part from the lower surface of metallized film 4 passes to heat-conducting plate 3, and passed to by heat-conducting plate 3 be bonded with heat-conducting plate 3 it is scattered Hot support 1, and distributed from the surface of cooling stand 1, the design of the heat abstractor increases the area of dissipation of LED chip 2, The temperature of LED chip 2 preferably by the heat derives of LED chip 2, and distribute, can be effectively reduced, improves LED Thermal diffusivity.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (5)

1. a kind of LED heat abstractor, the heat abstractor includes cooling stand (1) and LED chip (2), the LED chip (2) on the cooling stand (1), it is characterised in that be fixed with heat-conducting plate (3), the heat conduction on the cooling stand (1) The lower surface of plate (3) is fixedly connected and is bonded with the upper surface of the cooling stand (1), and the heat abstractor also includes metal Change film (4), the lower surface of the metallized film (4) is fixedly connected and is bonded with the upper surface of the heat-conducting plate (3), institute LED chip (2) is stated to be fixedly connected by crystal-bonding adhesive (5) with the upper surface of metallized film (4), the metallized film (4) The area of upper surface be more than the LED chip (2) lower surface area, the cooling stand (1) include first support (6), Second support (7), the first heat sink (8) on the outside of the first support (6) and positioned at the outside of the second support (7) Second heat sink (9), the first support (6) are provided with cathode contact (10), and the cathode contact (10) is located at described first Between heat sink (8) and heat-conducting plate (3), the second support (7) is provided with cathode contact (11), cathode contact (11) position Between second heat sink (9) and the heat-conducting plate (3), the LED chip (2) and the cathode contact (10) and negative pole Contact (11) electrically connects.
2. a kind of LED according to claim 1 heat abstractor, it is characterised in that the first support (6) and second Frame (7) is in the same plane and has space between the two, and the first support (6) and second support (7) pass through heat-conducting plate (3) it is connected, first heat sink (8) is fixed on the upper surface of first support (6), and second heat sink (9) is fixed on the The upper surface of two supports (7).
3. a kind of LED according to claim 2 heat abstractor, it is characterised in that the LED chip (2) passes through wire (12) electrically connected respectively with the cathode contact (10) and cathode contact (11).
A kind of 4. heat abstractor of LED according to claim 1 or 2 or 3, it is characterised in that the metallized film (4) Including film layer (13), pear skin layer (14) and metal level (15), the pear skin layer (14) is formed by film layer (13) roughening treatment, And the pear skin layer (14) is located between film layer (13) and metal level (15), lower surface and the pears of the metal level (15) The upper surface fitting of cortex (14), the film layer (13) are connected with the heat-conducting plate (3), the upper surface of the metal level (15) Crystal-bonding adhesive (5) is fixed with, the crystal-bonding adhesive (5) is by the thickness of the lower surface covering of the LED chip (2) and crystal-bonding adhesive (5) 5 Between μm -10 μm.
5. a kind of LED according to claim 4 heat abstractor, it is characterised in that the thickness of the film layer (13) is big In equal to 20 μm, the scope of the thickness of the pear skin layer (14) is 10 μm -20 μm, and the scope of the thickness of the metal level (15) is 10μm-20μm。
CN201510470821.6A 2015-08-04 2015-08-04 A kind of LED heat abstractor Active CN105006516B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510470821.6A CN105006516B (en) 2015-08-04 2015-08-04 A kind of LED heat abstractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510470821.6A CN105006516B (en) 2015-08-04 2015-08-04 A kind of LED heat abstractor

Publications (2)

Publication Number Publication Date
CN105006516A CN105006516A (en) 2015-10-28
CN105006516B true CN105006516B (en) 2018-01-30

Family

ID=54379111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510470821.6A Active CN105006516B (en) 2015-08-04 2015-08-04 A kind of LED heat abstractor

Country Status (1)

Country Link
CN (1) CN105006516B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886811Y (en) * 2005-08-24 2007-04-04 华兴电子工业股份有限公司 Heat radiation support structure for LED
CN201893378U (en) * 2010-11-28 2011-07-06 晶诚(郑州)科技有限公司 Light-emitting diode (LED) heat dissipation packaging structure
CN201910445U (en) * 2010-12-09 2011-07-27 西安新大良电子科技有限公司 Light-emitting diode (LED) packaging structure
CN201918430U (en) * 2011-01-27 2011-08-03 深圳市德泽能源科技有限公司 Integral heat dissipation structure for LED substrate
CN204857786U (en) * 2015-08-04 2015-12-09 浙江福森电子科技有限公司 Heat radiator for LED

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886811Y (en) * 2005-08-24 2007-04-04 华兴电子工业股份有限公司 Heat radiation support structure for LED
CN201893378U (en) * 2010-11-28 2011-07-06 晶诚(郑州)科技有限公司 Light-emitting diode (LED) heat dissipation packaging structure
CN201910445U (en) * 2010-12-09 2011-07-27 西安新大良电子科技有限公司 Light-emitting diode (LED) packaging structure
CN201918430U (en) * 2011-01-27 2011-08-03 深圳市德泽能源科技有限公司 Integral heat dissipation structure for LED substrate
CN204857786U (en) * 2015-08-04 2015-12-09 浙江福森电子科技有限公司 Heat radiator for LED

Also Published As

Publication number Publication date
CN105006516A (en) 2015-10-28

Similar Documents

Publication Publication Date Title
JP2008277817A (en) Heat dissipation module and method for fabricating the same
CN102610583B (en) Package carrier and method for manufacturing the same
TWI572818B (en) Heat dispersion structure and manufacturing method thereof
CN105932019A (en) Large power LED structure adopting COB packaging
CN106098919B (en) High-thermal-conductivity and high-insulation LED light engine packaging structure and preparation method
TW201037803A (en) Multi-layer packaging substrate, method for making the packaging substrate, and package structure of light-emitting semiconductor
CN204130525U (en) The high-power LED integrated packaging structure of ceramic substrate and heat radiation substrate
TW201349577A (en) Illuminating device
TW201608678A (en) Chip package module and package substrate
TWI528596B (en) Led package and method of manufacturing the same
CN105006516B (en) A kind of LED heat abstractor
CN204857786U (en) Heat radiator for LED
CN102157508A (en) Novel LED packaging light-reflecting method and device
CN202474027U (en) Combined type LED (Light-Emitting Diode) substrate
CN103247742A (en) LED heat radiation substrate and manufacturing method thereof
US20120187433A1 (en) Structure of light source module and manufacturing method thereof
CN203642131U (en) LED heat sink with high-heat dissipation performance and LED lamp provided with LED heat sink
TW201429009A (en) Light emitting diode device and a method for manufacturing heat dissipating substrate
CN203323067U (en) High-power LED heat dissipation structure
CN202454612U (en) Chip packaging structure
TWM366013U (en) LED lamp module
CN205264751U (en) Low thermal resistance LED light source
TW201545379A (en) Light emitting diodes package structure for high-voltage power supply
CN103883907B (en) High-power LED illumination assembly
CN201804912U (en) LED encapsulation structure with high heat-conducting property

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231110

Address after: Room 501, 5th Floor, Dezhihe Building, No. 183 Central Avenue, Jiayi Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000

Patentee after: Taizhou Lijing Optoelectronic Technology Co.,Ltd.

Address before: 318001 east side of the first floor of building 3, No. 818, east section of Kaifa Avenue, Jiaojiang District, Taizhou City, Zhejiang Province

Patentee before: ZHEJIANG FUSEN ELECTRONIC TECHNOLOGY Co.,Ltd.