CN110112278A - A kind of installation base plate and its light emitting device - Google Patents

A kind of installation base plate and its light emitting device Download PDF

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Publication number
CN110112278A
CN110112278A CN201910340708.4A CN201910340708A CN110112278A CN 110112278 A CN110112278 A CN 110112278A CN 201910340708 A CN201910340708 A CN 201910340708A CN 110112278 A CN110112278 A CN 110112278A
Authority
CN
China
Prior art keywords
substrate
radiator structure
installation base
base plate
interarea
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
CN201910340708.4A
Other languages
Chinese (zh)
Inventor
周世官
邢美正
谭青青
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.)
Shenzhen Jufei Optoelectronics Co Ltd
Original Assignee
Shenzhen Jufei Optoelectronics 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 Shenzhen Jufei Optoelectronics Co Ltd filed Critical Shenzhen Jufei Optoelectronics Co Ltd
Priority to CN201910340708.4A priority Critical patent/CN110112278A/en
Publication of CN110112278A publication Critical patent/CN110112278A/en
Pending legal-status Critical Current

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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
    • H01L33/62Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
    • 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 embodiment of the present invention provides a kind of installation base plate and its light emitting device, the installation base plate includes substrate, a pair of connection pin, and radiator structure, the pair of connection pin is arranged in the end positions of the substrate and wraps up to the back of substrate, the radiator structure is arranged between the connection pin at the back side of the substrate and its height is equal with the height of connection pin overleaf, the radiator structure is used to guide the heat that the luminescent device for being mounted on substrate interarea generates, to increase the integral heat sink area of light emitting device, one layer of solder mask is further set also between the radiator structure and the connection pin, the solder mask is not connect with the radiator structure, to maintain the integrality of radiator structure, it will appear when also avoiding welding and connection pin be connected with radiator structure accidentally and loses radiator structure and is used to radiate Effect and avoiding there is the problem of short circuit.

Description

A kind of installation base plate and its light emitting device
Technical field
The present invention relates to LED technology field more particularly to a kind of installation base plates and its light emitting device.
Background technique
It is also more and more more next especially for the needs of the energy-saving equipment of LED class with the continuous development of science and technology More minimize, but the heat that its volume is the reduction of, and generates when its work is not reduced, heat dissipation is still presence Problem, existing design method be the mounting plate of LED chip the back side be arranged a radiating terminal, by radiating terminal with LED chip connection, by heat transfer caused by LED chip to the external world, thus realize the effect of heat dissipation, but this structure Heat dissipation area it is still too small, especially also need to be arranged solder resist covering radiating terminal, preventing welding from being can be by radiating end Son is also powered, and is also avoided that the light emitting device for welding energization accordingly, it is now desired to design one kind and can either improve radiating efficiency Mounting plates structure.
Summary of the invention
Installation base plate and its light emitting device provided in an embodiment of the present invention, mainly solving the technical problems that: it is existing Radiator structure setting solder mask and reduce the heat dissipation area of device, so as to cause the lower problem of radiating efficiency.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of installation base plate, comprising: substrate, be set to it is described It wraps up on the both ends position of substrate and from the mounting surface of the substrate to a pair of of connection pin at the back side of the substrate, and It is arranged between the connection pin at the back side of the substrate and is wrapped in the height at the back side with the connection pin Radiator structure;Be additionally provided with solder mask between the radiator structure and the connection pin, the mounting surface of the substrate be with The one side of contact pads on circuit board.
In other embodiments of the invention, the solder mask is formed membranaceous by the resin combination with insulating properties Insulating layer.
In other embodiments of the invention, the solder mask be set to the radiator structure and the connection pin it Between substrate on, or be set to the radiator structure and it is described connection pin between substrate and the connection pin on.
In other embodiments of the invention, the radiator structure includes heat dissipation interarea and interconnecting piece interconnected, Wherein, the heat dissipation interarea is fixed on the back side of the substrate, and the interconnecting piece is provided close to the mounting surface one of the substrate Side.
In other embodiments of the invention, the interconnecting piece is in the heat dissipation interarea formed by Heat Conduction Material Extend package to the interarea of the substrate and in the master along the mounting surface close to the side of the mounting surface of the substrate Face forms the extension bending part of a conductive structure.
In other embodiments of the invention, the installation base plate further includes connection terminal, the connection terminal and institute Radiator structure physical connection is stated, and passes through the interarea that the substrate extends to the substrate.
In other embodiments of the invention, the interconnecting piece is by the heat dissipation interarea along its vertical direction protrusion And the raised pin being bent to form to the mounting surface.
In other embodiments of the invention, it is additionally provided with connection through-hole on the substrate, the connection terminal is worn It crosses the connection through-hole and extends package to the interarea of the substrate.
In order to solve the above technical problems, the embodiment of the invention provides a kind of light emitting device, including described in any one as above Installation base plate, and the luminescent device on the interarea of the installation base plate, the luminescent device the back side with it is described Heat-conducting layer is additionally provided between radiator structure, by the heat-conducting layer by generated heat in the luminescent device course of work It is transferred on the radiator structure.
It further include encapsulation glue-line in other embodiments of the invention, the encapsulation glue-line is set to the substrate On interarea, and cover the luminescent device.
The beneficial effects of the present invention are:
The installation base plate and its light emitting device provided according to embodiments of the present invention, the installation base plate include substrate, Yi Duilian Pin and radiator structure are connect, the pair of connection pin is arranged in the end positions of the substrate and wraps up to substrate Back, the radiator structure is arranged between the connection pin at the back side of the substrate and its height is equal with the height at the back side, The radiator structure is used to guide the heat that the luminescent device for being mounted on substrate interarea generates, to increase light emitting device Integral heat sink area, further also between the radiator structure and the connection pin be arranged one layer of solder mask, the resistance Layer is not connect with the radiator structure, to maintain the integrality of radiator structure, it is thus also avoided that accidentally will will appear when welding Connection pin be connected with radiator structure and loses the effect and avoiding that radiator structure is used for heat dissipation and short-circuit problem occur.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of light emitting device provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of installation base plate provided in an embodiment of the present invention;
Fig. 3 is second of structural schematic diagram of installation base plate provided in an embodiment of the present invention;
Fig. 4 is the third structural schematic diagram of installation base plate provided in an embodiment of the present invention.
Wherein, 1 in attached drawing is light emitting device, and 10 be installation base plate, and 11 be substrate, and 12 be connection pin, and 13 be scattered Heat structure, 14 be solder mask, and 15 be connection terminal, and 101 be the interarea of substrate, and 102 be the back side of substrate, and 131 be heat dissipation interarea, 132 be interconnecting piece, and 20 be luminescent device, and 21 be encapsulation glue-line.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below by specific embodiment knot Attached drawing is closed to be described in further detail the embodiment of the present invention.It should be appreciated that specific embodiment described herein is only used to It explains the present invention, is not intended to limit the present invention.
Embodiment:
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of light emitting device provided in an embodiment of the present invention, which includes Installation base plate 10 and luminescent device 20, wherein the installation base plate 10 includes the interarea 101 for installing the luminescent device 20 With the back side 102, luminescent device 20 is mounted on interarea 101.
As shown in Fig. 2, in the present embodiment, the installation base plate 10 specifically includes substrate 11, a pair of of connection 12 and of pin Radiator structure 13, wherein the pair of connection pin 12 is set on the both ends position of the substrate 11 and wraps up to the base The back side 102 of material 11, the radiator structure 13 is arranged on the back side 102 of the substrate 11, for that will be set to interarea 101 Luminescent device 20 generate heat diffusion come out, thus realize accelerate heat dissipation effect.
In the present embodiment, the radiator structure 13 is arranged between the connection pin at the back side of the substrate, In a kind of embodiment, it is equal that height and the connection pin 12 are wrapped in the height at the back side, in another embodiment, dissipates The height of heat structure 13 can also be directly disposed as equal with the height at the back side.
In practical applications, the shape of the connection pin 12 is similar inverted " t " font, and inverse-T-shaped vertical A small protrusion is additionally provided on side, which is used for provide contact surface when welding LED component, and in inverse-T-shaped level Extension is provided on side, which bends from the interarea 101 of substrate 11 to the side of substrate 11, and wraps substrate 11 Side extends on the back side 102.
In practical applications, the middle position at the back side 102 of the substrate 11 is arranged in the radiator structure 13, preferably , the area of the radiator structure 13 should select overleaf between the half of 102 entire area and 2/3rds more Properly, the maximization that can realize heat dissipation area to the greatest extent in this way, is also able to achieve and leaves certain setting for solder mask 14 Space, while the whole height of radiator structure 13 is suitable with the whole height of light emitting device 100, or even can also be and be slightly larger than Can be with, and the part being higher by can be used for and the heat dissipation setting on substrate 11 connects, it is further to increase heat dissipation area and heat dissipation Speed.
In the present embodiment, the radiator structure 13 is specifically made of heat dissipation interarea 131 and interconnecting piece 132, the connection Portion 132 is disposed in proximity to the mounting surface side of the substrate 11, and mounting surface here refers to installing the method light emitting device When 100, the one side contacted with mainboard, specifically one of them of the side between the interarea and the back side of light emitting device 100 Face.
In practical applications, the middle position of mounting surface, and the interconnecting piece is specifically arranged in the interconnecting piece 132 132 connect with luminescent device 20 and heat dissipation interarea 131 respectively, this kind of set-up mode makes during installation, and radiator structure 13 can With directly with the mainboard face contact of equipment, heat can quickly pass to mainboard and radiate, and the specific structure is shown in FIG. 3, tool Body is realized can be by by prolonging close to the side of the mounting surface of the substrate 11 along the mounting surface in the heat dissipation interarea 131 The extension bending part that the interarea 101 for stretching package to the substrate 11 is formed.
In the present embodiment, the installation base plate 10 further includes connection terminal 15, the connection terminal 15 and the heat dissipation 13 physical connection of structure, and pass through the interarea 101 that the substrate 11 extends to the substrate 11.
In order to cooperate the installation of the connection terminal 15, connection through-hole, the connecting pin are additionally provided on the substrate 11 Son 15 passes through the connection through-hole and extends package to the interarea 101 of the substrate 11.
Based on the basis of this kind of structure, interconnecting piece 132 should be set as by the heat dissipation interarea along its vertical direction Protrusion and the raised pin being bent to form to the mounting surface.
In the present embodiment, the solder mask 14 is arranged between the radiator structure 13 and the connection pin 12, and And still do not connect with the radiator structure 13, in practical applications, the solder mask 14, which specifically can be, is provided only on substrate On 11 back side 102, it is on the substrate 11 being arranged between radiator structure 13 and the connection pin 12, it is preferred that setting exists The both ends position of the radiator structure 13 at the back side 102, and be arranged close to pin side, further, the solder mask 14 is also A part connection pin 12 can be covered, it is specific as shown in Figure 4.
In the present embodiment, the light emitting device 100 further includes encapsulation glue-line 21, and the encapsulation glue-line 21 is set to described On the interarea 101 of substrate 11, and cover the luminescent device 20.The encapsulation glue-line 21 can also be processed by packaging film It is formed, the interarea of the assembly substrate 11 processed is covered on particular by one layer that will have fluorescent material gummy film layer On 101, it is melted in gummy film layer on interarea 101, so that luminescent device 20 be covered Lid encapsulates.
In conclusion installation base plate provided in an embodiment of the present invention and its light emitting device, which includes substrate, one Connection pin and radiator structure, the pair of connection pin are arranged in the end positions of the substrate and are wrapped up to base The back side of the substrate is arranged in the back of material, the radiator structure, and is the heat dissipation between the connection pin being arranged overleaf Structure is used to guide the heat that the luminescent device for being mounted on substrate interarea generates, to increase the entirety of light emitting device Further one layer of solder mask is arranged on the substrate also between the radiator structure and the connection pin in heat dissipation area, should Solder mask is not connect with the radiator structure, to maintain the integrality of radiator structure, it is thus also avoided that will appear mistake when welding Connection pin is connected with radiator structure and loses the effect that radiator structure is used to radiate.
The LED provided in previous embodiment can be applied to various illumination fields, such as it can be fabricated to backlight module Applied to display backlight field (backlight module that can be the terminals such as TV, display, mobile phone).It can be applied at this time Backlight module.Other than it can be applied to display backlight field, key-press backlight field, shooting field, home lighting are applied also for Field, lighting for medical use field, furnishing fields, automotive field, field of traffic etc..When applied to key-press backlight field, it can be used as Mobile phone, calculator, keyboard etc. have the key-press backlight light source of press key equipment;When applied to shooting field, camera shooting can be fabricated to The flash lamp of head;When applied to home lighting field, floor lamp, desk lamp, headlamp, ceiling lamp, downlight, projection can be fabricated to Lamp etc.;When applied to lighting for medical use field, operating lamp, low electromagnetism headlamp etc. can be fabricated to;It can when applied to furnishing fields To be fabricated to various ornament lamps, such as various color lamps, landscape spotlight, advertising lamp;When applied to automotive field, it can be fabricated to Automobile lamp, automobile indicator etc.;When applied to field of traffic, various traffic lights can be made, various street lamps can also be made. Above-mentioned application is only several applications exemplified by the present embodiment, it should be appreciated that the application of the LED in the present embodiment is not It is limited to several fields of above-mentioned example.
The above content is combining specific embodiment to be further described to made by the embodiment of the present invention, cannot recognize Fixed specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention Protection scope.

Claims (10)

1. a kind of installation base plate characterized by comprising substrate is set on the positive both ends position of the substrate simultaneously It wraps up from the mounting surface of the substrate to a pair of of connection pin at the back side of the substrate, and the back side of the substrate is set The connection pin between and with the connection pin radiator structure that be wrapped in the height at the back side equal;It is dissipated described Solder mask is additionally provided between heat structure and the connection pin, the mounting surface of the substrate is and the contact pads on circuit board One side.
2. installation base plate according to claim 1, which is characterized in that the solder mask is by the resin combination with insulating properties The film-shaped insulative layer that object is formed.
3. installation base plate according to claim 1 or 2, which is characterized in that the solder mask is set to the radiator structure On substrate between the connection pin, or the substrate being set between the radiator structure and the connection pin and institute It states on connection pin.
4. installation base plate according to claim 3, which is characterized in that the radiator structure includes heat dissipation master interconnected Face and interconnecting piece, wherein the heat dissipation interarea is fixed on the back side of the substrate, and the interconnecting piece is set to the peace of the substrate Dress face side.
5. installation base plate according to claim 4, which is characterized in that the interconnecting piece be formed as Heat Conduction Material described in The side of the mounting surface close to the substrate in heat dissipation interarea extends the master of package to the substrate along the mounting surface Face and the interarea formed a conductive structure extension bending part.
6. installation base plate according to claim 4, which is characterized in that the installation base plate further includes connection terminal, described Connection terminal and the radiator structure physical connection, and pass through the interarea that the substrate extends to the substrate.
7. installation base plate according to claim 6, which is characterized in that the interconnecting piece is by the heat dissipation interarea along it Raised pin vertical direction protrusion and be bent to form to the mounting surface.
8. installation base plate according to claim 7, which is characterized in that be additionally provided with connection through-hole, institute on the substrate It states connection terminal and extends package to the interarea of the substrate across the connection through-hole.
9. a kind of light emitting device, which is characterized in that including such as described in any item installation base plates of claim 1-7, and be set to Luminescent device on the interarea of the installation base plate is additionally provided between the back side and the radiator structure of the luminescent device Heat-conducting layer, by the heat-conducting layer by generated heat transfer in the luminescent device course of work to the radiator structure On.
10. light emitting device according to claim 9, which is characterized in that it further include encapsulation glue-line, the encapsulation glue-line setting In on the interarea of the substrate, and cover the luminescent device.
CN201910340708.4A 2019-04-25 2019-04-25 A kind of installation base plate and its light emitting device Pending CN110112278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910340708.4A CN110112278A (en) 2019-04-25 2019-04-25 A kind of installation base plate and its light emitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910340708.4A CN110112278A (en) 2019-04-25 2019-04-25 A kind of installation base plate and its light emitting device

Publications (1)

Publication Number Publication Date
CN110112278A true CN110112278A (en) 2019-08-09

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003188424A (en) * 2001-12-18 2003-07-04 Sharp Corp Surface-mounted light-emitting diode
JP2008258233A (en) * 2007-04-02 2008-10-23 Toyoda Gosei Co Ltd Light-emitting device
CN101483213A (en) * 2007-05-31 2009-07-15 安华高科技Ecbuip(新加坡)私人有限公司 Side-emitting LED package with improved heat dissipation
EP2312660A2 (en) * 2008-07-03 2011-04-20 Samsung LED Co., Ltd. An led package and a backlight unit comprising said led package
CN102368531A (en) * 2011-10-26 2012-03-07 深圳市瑞丰光电子股份有限公司 LED (light emitting diode) encapsulation structure
US20120120671A1 (en) * 2010-11-11 2012-05-17 Nichia Corporation Light emitting device, and method for manufacturing circuit board
CN202930426U (en) * 2012-11-21 2013-05-08 深圳市斯迈得光电子有限公司 LED device capable of realizing application effect of different light-emitting directions
CN105098029A (en) * 2014-05-21 2015-11-25 日亚化学工业株式会社 Light emitting device
CN105090900A (en) * 2014-05-21 2015-11-25 日亚化学工业株式会社 Mounting structure for semiconductor device, backlight device and mounting substrate
US20150340550A1 (en) * 2014-05-21 2015-11-26 Nichia Corporation Method of producing light emitting device
CN105470375A (en) * 2014-08-26 2016-04-06 鸿富锦精密工业(深圳)有限公司 LED package structure
CN208173618U (en) * 2018-02-26 2018-11-30 东莞市华志光电科技有限公司 A kind of bracket for slim lateral direction light emission LED

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003188424A (en) * 2001-12-18 2003-07-04 Sharp Corp Surface-mounted light-emitting diode
JP2008258233A (en) * 2007-04-02 2008-10-23 Toyoda Gosei Co Ltd Light-emitting device
CN101483213A (en) * 2007-05-31 2009-07-15 安华高科技Ecbuip(新加坡)私人有限公司 Side-emitting LED package with improved heat dissipation
EP2312660A2 (en) * 2008-07-03 2011-04-20 Samsung LED Co., Ltd. An led package and a backlight unit comprising said led package
US20120120671A1 (en) * 2010-11-11 2012-05-17 Nichia Corporation Light emitting device, and method for manufacturing circuit board
CN102368531A (en) * 2011-10-26 2012-03-07 深圳市瑞丰光电子股份有限公司 LED (light emitting diode) encapsulation structure
CN202930426U (en) * 2012-11-21 2013-05-08 深圳市斯迈得光电子有限公司 LED device capable of realizing application effect of different light-emitting directions
CN105098029A (en) * 2014-05-21 2015-11-25 日亚化学工业株式会社 Light emitting device
CN105090900A (en) * 2014-05-21 2015-11-25 日亚化学工业株式会社 Mounting structure for semiconductor device, backlight device and mounting substrate
US20150340550A1 (en) * 2014-05-21 2015-11-26 Nichia Corporation Method of producing light emitting device
CN105470375A (en) * 2014-08-26 2016-04-06 鸿富锦精密工业(深圳)有限公司 LED package structure
CN208173618U (en) * 2018-02-26 2018-11-30 东莞市华志光电科技有限公司 A kind of bracket for slim lateral direction light emission LED

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Application publication date: 20190809

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