CN203607458U - Led lamp bead - Google Patents

Led lamp bead Download PDF

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Publication number
CN203607458U
CN203607458U CN201320784069.9U CN201320784069U CN203607458U CN 203607458 U CN203607458 U CN 203607458U CN 201320784069 U CN201320784069 U CN 201320784069U CN 203607458 U CN203607458 U CN 203607458U
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China
Prior art keywords
led
led chip
lamp pearl
led lamp
electric connection
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Expired - Fee Related
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CN201320784069.9U
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Chinese (zh)
Inventor
吴贵才
何琳
李剑
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Shenzhen Bang Bell Electronics Co ltd
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Shenzhen Bang Bell Electronics Co ltd
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Priority to CN201320784069.9U priority Critical patent/CN203607458U/en
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Abstract

The utility model relates to an LED lamp bead comprising LED chips, which are in a staggered arrangement. The LED lamp bead comprises at least two LED chips disposed on an LED substrate in a packaged manner, and at least two electric connecting plates. Two sides of each of the LED chips are electrically connected with the electric connecting plates. The at least two LED chips are disposed on the LED substrate staggeredly in a packaged manner. The LED lamp bead has advantages of good heat dissipation effect and high luminous efficiency.

Description

LED lamp pearl
[technical field]
The utility model relates to LED lighting technical field, particularly the staggered LED lamp pearl of a kind of multiple LED chip.
[background technology]
Nowadays along with the development process of modernization China, the also modernization gradually of the emerging product of all trades and professions.With regard to by illuminating industry, bulb before, incandescent lamp, fluorescent lamp updates gradually as modern electricity-saving lamp, the lighting of the more energy-conservation environmental protection more such as LED lamp.Follow further going deep into of scientific and technical development and application practice, LED lighting technology has become the lighting technology most popular, the most promising, acceptance level is the highest.
But, due to the technical field of LED illumination in recent years just rising gradually, the technical barrier that its application under various environment also has many needs to assault fortified position.Such as how, LED lamp pearl encapsulates guarantee, it has good illumination effect and radiating effect is exactly the difficulty that need capture.Conventional LED lamp pearl packaged type can be divided into single chips encapsulation and multiple chips integration packaging now, multiple chips integration packaging point small-power multiple chips integration packaging (mainly referring to that LED light source power is less than 0.5W) and high-power multiple chips (mainly referring to that LED light source power is greater than 0.5W) integration packaging, because requiring luminous flux of light source, LED lighting illuminating effect need reach hundreds of or several thousand lumens even up to ten thousand, be limited to inside dimension simultaneously, meet high light flux and undersized requirement therefore often adopt plurality of LEDs integrated chip to be packaged into modularized limit emitting diode (LED).When but existing multiple LED chip integration packaging becomes a Modular LED lamp pearl, because heat-dissipating space is little, plurality of LEDs chip distance is too near, the heat that LED chip is sent is too concentrated, so that most heat is difficult to shed in time, cause whole LED lamp pearl heat radiation bad, reduce its useful life.Meanwhile, because distance between LED chip is too near, so that the light that send LED chip side absorbs mutually, reduces the light effect that of LED chip.
As shown in Figure 1, the LED lamp pearl 500 that conventional multiple LED chips 505 integration packagings form is now on the arrangement mode of LED chip 505, arrange with regular rectangular array arrangement mode, though array setting can facilitate LED chip 505 to be encapsulated on LED substrate 503, reduce the size of LED substrate 503 and whole LED lamp pearl 500.But, owing to adopting regular rectangular array to arrange, between multiple LED chips 505, be symmetrical arranged, transversal centerline 5051 and longitudinal midline 5053 overlap, cause the distance of two adjacent LEDs chip 505 too near, make the heat that LED chip 505 sends too concentrate and be difficult to shed.Meanwhile, the light that the LED chip 505 of regular rectangular shape array arrangement sends also intermeshes, and light absorbs mutually, and the light extraction efficiency of LED lamp pearl 500 is reduced greatly.
In sum, in order to make the LED lamp pearl result of use of integrated packaging reach best, the heat dissipation problem of multiple LED chips, between multiple LED chips, the interactive problem of light all needs rationally to overcome, and life-span length, low energy consumption, pollution-free LED lighting technology could be promoted and be promoted to a new application height.
[utility model content]
Bad for overcoming existing integrated packaging LED lamp pearl radiating effect, the technical barrier that light extraction efficiency is low, the utility model provides a kind of radiating effect more excellent, the LED lamp pearl that light extraction efficiency is higher.
The scheme of the utility model technical solution problem is to provide a kind of LED lamp pearl, it comprises at least two LED chip and at least two the electric connection plates that are packaged on LED substrate, the both sides of this each LED chip are electrically connected at electric connection plate, and these at least two LED chips are staggered to be encapsulated on LED substrate.
Preferably, the electrode of LED chip is drawn separately from both sides respectively.
Preferably, the join domain of the electrode of both sides and electric connection plate arranges the testing electrical property point of this LED chip.
Preferably, the mean gap between every two LED chips that are electrical connected is greater than the horizontal or longitudinal size of this LED chip.
Preferably, the rectangular or approximate rectangular array arrangement of these at least two LED chips, in the vertical direction, the center line of N row's LED chip departs from the center line that N-1 arranges LED chip, and N is greater than 1 positive integer.
Preferably, described deviation distance is greater than the lateral dimension of LED chip.
Preferably, the rounded or sub-circular array arrangement of these at least two LED chips, depart to the midline with the footpath of N-1 circle LED chip to the midline in the footpath of the LED chip of N circle, and N is greater than 1 positive integer.
Preferably, described deviation distance is greater than the normal direction size of LED chip.
Preferably, it further comprises at least one group of boards being connected with external power source, and described electric connection plate and described LED chip form at least one electric connection circuit, and described boards selectivity is connected to this at least one electric connection circuit.
Preferably, described at least two LED chips are electrically connected plate formation one electrical path with at least two, and described each boards is connected in initiating terminal or the clearing end of this electrical path.
Compared with prior art, LED lamp pearl of the present utility model increases and is electrically connected plate on the both sides of each LED chip, by being electrically connected plate, all LED chip conductings is connected.Distance between LED chip that this integrated package becomes is strengthened, increase the efficiently radiates heat area of each LED chip, thereby guarantee the good heat-radiating effect of whole LED lamp pearl.Most importantly, no matter be the LED chip arrangement mode of rectangular array setting or the LED chip arrangement mode of circular array, between the plurality of LED chip, adopt the encapsulation setting of staggered die bond, the efficiently radiates heat area of each LED chip is increased greatly, improve the radiating effect of whole LED lamp pearl.And, because the distance between LED chip increases, make the light that each LED chip sends interfere reduction greatly, the mutual uptake of LED chip lateral emitting reduces, thereby has greatly improved the light extraction efficiency of LED lamp pearl.
In addition, be electrically connected at each the testing electrical property point that is equipped with LED chip on plate, after test probe is placed on testing electrical property point, can test separately the electrical performance of each LED chip, avoid because the damage of single LED chip causes the disabled drawback of whole LED lamp pearl product yield when this LED lamp pearl is produced in raising mass production.
In the time that whole conducting channel connects, can be by changing boards and the link position that is electrically connected plate, change the circuit connecting mode of whole integrated packaging LED chip, make the back panel wiring mode flexibility and changeability of whole LED lamp pearl, meet the user demand under various environment.And without picture now, need to change whole LED lamp pearl and could change circuit connecting mode.
[accompanying drawing explanation]
Fig. 1 is the structural representation of LED lamp pearl in prior art.
Fig. 2 is the perspective view of the utility model LED lamp pearl the first embodiment.
Fig. 3 is the planar structure schematic diagram of the utility model LED lamp pearl the first embodiment.
Fig. 4 is the planar structure schematic diagram of the utility model LED lamp pearl the second embodiment.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing and embodiment, the utility model are further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 2, LED lamp pearl 100 of the present utility model comprises a LED substrate 103, is packaged with 12 LED chips 105 on LED substrate 103, and these 12 LED chip 105 integration packagings are on LED substrate 103.When encapsulation, adopt that LED chip 105 is encapsulated in to one of them surface of LED substrate 103 is upper more, can certainly be encapsulated on two faces of LED substrate 103 and form dual surface LED substrate 103.On LED chip 105, have lens 101, these lens 101 cover 105 sealings of all LED chips on LED substrate 103, remain sealing between lens 101 and LED substrate 103 simultaneously, make inner LED chip 105 and isolate from outer air.Lens 101 are general adopt hemispheric shape structure, its Main Function be on the one hand can sealed light emitting multiple LED chips 105, be that the luminous light of LED chip 105 is carried out to luminous intensity distribution processing on the other hand.These lens 101 are encapsulated on LED substrate 103 with the mode moulding of injection mainly with silica gel material.
Refer to Fig. 3, on the LED substrate 103 of LED lamp pearl 100, be provided with 1033, ten three of 1031, two boards of two power supply access points and be electrically connected 1035 and 12 LED bases 1039 of plate.One end of boards 1033 is connected to power supply access point 1031, and the other end is connected to and is electrically connected on plate 1035, is electrically connected plate 1035 and is electrical connected by wire 1037 with LED base 1039.12 LED chips 105 are fixed on these 12 LED bases 1039, and the positive and negative electrode meeting conducting of LED chip 105 is connected to the both sides of LED base 1039.
From position relationship, power supply access point 1031 is positioned at the outside of lens 101, and it can sealedly not encapsulate, and power supply access point 1031 is real is electrical solder joint, is connected to the both positive and negative polarity of external power source for conducting.In this embodiment, be provided with an anodal access point and a negative pole access point.
12 LED bases 1039 are with four rows' three row layout that is staggered, and 12 LED chips 105 one by one correspondence are arranged on LED base 1039 between two parties.The equal conducting of positive and negative electrode of each LED chip 105 is connected to the both sides of the LED base 1039 corresponding with it and specifies in bond pad locations.
The electric connection plate 1035 being provided with between 1035, two LED chips 105 of an electric connection plate in the both sides of each LED chip 105 of every row can be connected to this two LED chip 105 simultaneously.With the staggered LED chip 105 of these four rows, three row, amount to have four rows and four columns electric connection plate 1035 corresponding thereto.The electric connection plate 1035 of these four rows and four columns is all sealed in lens 101.The electric connection plate 1035 that ranked fourth row at the first electric connection plate 1035 and second that ranked fourth row connects as one, and makes the LED chip 105 of first row and second row be linked as path.Similarly, the electric connection plate 1035 that the electric connection plate 1035 of second row first row and the 3rd ranked first row connects as one, and makes second row and the 3rd row's LED chip 105 be linked as path; The electric connection plate 1035 that the 3rd electric connection plate 1035 and the 4th that ranked fourth row ranked fourth row connects as one, and makes the 3rd row and the 4th row's LED chip 105 be linked as path.
One end of these two boards 1033 is connected respectively and two power supply access points 1031, and the other end is connected on the electric connection plate 1035 that first row first row, the 4th ranked first row.
In shape and size, shape and the size of power supply access point 1031 do not limit, and can be the electrical node of circular or square or strip, and its size needs rationally to arrange according to the coupled size of power supply.
LED base 1039 is made into rectangular shape, and LED chip 105 is arranged on the LED base 1039 of rectangle between two parties.Its surface area is 2 times of left and right of LED chip 105 surface areas, the electrode conducting easily that can take into account on the one hand LED chip 105 is set like this and is connected to LED base 1039 both sides, can give on the other hand the area of dissipation that LED chip 105 is larger.
Be electrically connected plate 1035 and be made into strip, its length approximates the length of LED base 1039, its width is less than the half of LED base 1039 width, the electric connection that can conveniently be electrically connected on the one hand plate 1035 and LED base 1039 is so set, can maximizedly reduces on the other hand the overall dimensions of LED lamp pearl 100.
In addition, the distance between every two row LED bases 1039 is greater than 1/4 of LED base 1039 length.In the distance of every row LED base 1039, be electrically connected plate 1035 owing to being provided with between every two LED bases 1039, make the distance between every two LED bases 1039 be greater than 1/2 of LED base 1039 width, the lateral clearance between two LED chips 105 of every row is greater than the lateral dimension of LED chip 105.If in the situation that LED chip 105, electric connection plate 1035 and LED base 1039 all evenly arrange, the average area of dissipation of each LED chip 105 will be greater than 2.8 times of LED chip 105 areas.But, according to actual needs, by the distance between reasonable arrangement LED base 1039, best value result should be made as: the average area of dissipation of each LED chip 105 is greater than 2-5 times of LED chip 105 areas.
Between every row LED chip 105, be interlaced arrangement, described herein interlocking refers to that arbitrary LED chip 105 of first row and arbitrary LED chip of secondary series 105 all do not overlap regardless of the laterally middle separated time or the longitudinally middle separated time that are this two LED chip 105.The LED chip 105 of first row first row is crisscross arranged with the LED chip 105 of its second row first row, if the lateral dimension of LED base 1039 is L, the distance between the center line of first row first row LED chip 105 and second row first row LED chip 105 center lines is S, and S >=L.Because LED chip 105, electric connection plate 1035 and LED base 1039 all evenly arrange, all there is deviation distance S with each LED chip 105 of second row in each LED chip 105 of first row therefore; All there is deviation distance S in each LED chip 105 of each LED chip 105 of second row and the 3rd row; All there is deviation distance S in each LED chip 105 of each LED chip 1305 of the 3rd row and the 4th row.So arrange, make between these 12 LED chips 105 no matter be laterally or longitudinally all widening distance each other, make the efficiently radiates heat area of each LED chip 105 increase to 3-7 times of LED chip 105 areas, the light interference that LED chip 105 sends simultaneously also reduces greatly, improves the light effect that goes out of LED lamp pearl 100.
Boards 1033 can be the connecting plate of strip, even say can be a wire, as long as it can be connected with 1031 conductings of power supply access point being electrically connected plate 1035, because power supply access point 1031 is positioned at outside lens 101, therefore boards 1033 has partly and is sealed in lens 101, and part is arranged on outside lens 101.
Being electrically connected between plate 1035 and LED base 1039 is to interconnect by wire 1037, LED base 1039 either sides of the present embodiment are all connected to and are electrically connected on plate 1035 with two wires 1037, the length of wire 1037 is 1.1-2 times of distance between two corresponding tie points, that is to say that wire 1037 also can keep the free stretch amount of distance between 0.1-1 times of tie point after connecting, if to guarantee after long-time use LED base 1039 or be electrically connected the position of plate 1035 or wire 1037 can not broken when alteration of form, can also reduce due to the excessive breakage that LED chip 105 is caused of wire 1037 pulling force.
Be electrically connected on plate 1035 and be provided with testing electrical property point 1036 at each, for testing separately the electrical performance of LED chip 105.In the time need to testing the electrical performance of a certain LED chip 105, directly the two ends of test probe are placed on to these LED chip 105 both sides and are electrically connected testing electrical property on plates 1035 and put the performance parameter of this LED chip 105 of test that 1036 places can accurate science.
In these LED lamp pearl 100 use procedures, power supply can supply power on LED substrate 103 by two power supply access points 1031.One end of boards 1033 is connected to power supply access point 1031, and the other end is optionally connected to and is electrically connected on plate 1035, will be electrically connected plate 1035 and external power source conducting.Be electrically connected plate 1035 and be connected by wire 1037 conductings with LED base 1039, the electrode of LED chip 105 is welded on again on LED base 1039, and therefore all LED chips 105 have just formed a turning circuit by being electrically connected plate 1035 with boards 1033.In the present embodiment, adopt two power supply access points 1031,12 LED chips 105 are connected to a conductive path by these two power supply access points 1031.Because series winding connects, the supply current of each LED chip 105 is identical, so the luminosity of these 12 LED chips 105 keeps unification.
In connected mode for circuit, can also change into the connected mode of four and three strings, now need to provide one end of 1033, four boards 1033 of eight boards to be connected to anodal power supply access point 1031, the other end is connected on first electric connection plate 1035 of every row; One end of other four boards 1033 is connected to the power supply access point 1031 of negative pole, and the other end is connected on every row's the 4th electric connection plate 1035.After connecting like this, form the turning circuit in parallel that three LED chips 105 of four routes form.Same mode, only need to change quantity and the boards 1033 and the on-position that is electrically connected plate 1035 of boards 1033, in particular cases, the arrangement mode that also needs to change LED base 1039 and be electrically connected plate 1035, can be made into six and two strings, the circuit connecting mode of three and four strings.
Refer to Fig. 4, the utility model the second embodiment LED lamp pearl 300 comprises a LED substrate 303, is packaged with 16 LED chips 305 on LED substrate 303, and these 16 LED chip 305 integration packagings are on LED substrate 303.On LED chip 305, have lens 301, these lens 301 cover 305 sealings of all LED chips on LED substrate 303, remain sealing between lens 301 and LED substrate 303 simultaneously, make inner LED chip 305 and isolate from outer air.
On the LED substrate 303 of LED lamp pearl 300, be provided with 3033, ten six of 3031, four boards of four power supply access points and be electrically connected 3035 and 16 LED bases 3039 of plate.One end of boards 3033 is connected to power supply access point 3031, and the other end is connected to and is electrically connected on plate 3035, is electrically connected plate 3035 and is electrical connected by wire 3037 with LED base 3039.16 LED chips 305 are fixed on these 16 LED bases 3039, and the positive and negative electrode meeting conducting of LED chip 305 is connected to the both sides of LED base 3039.
From position relationship, power supply access point 3031 is positioned at the outside of lens 301, and it can sealedly not encapsulate, and power supply access point 3031 is real is electrical solder joint, is connected to the both positive and negative polarity of external power source for conducting.In this embodiment, be provided with two anodal access points and two negative pole access points.
16 LED bases 3039 are with two circle circles or the sub-circular array layout that is staggered, and 16 LED chips 305 one by one correspondence are arranged on LED base 3039 between two parties.The equal conducting of positive and negative electrode of each LED chip 305 is connected to the both sides of the LED base 3039 corresponding with it and specifies in bond pad locations.
The electric connection plate 3035 being provided with between 3035, two LED chips 305 of an electric connection plate in the both sides of each LED chip 305 of every circle can be connected to this two LED chip 305 simultaneously.With the LED chip 305 of this two circles circumference array, being electrically connected plate 3035 is also that two circle circumference array are arranged.The LED chip 305 of this two circles circumference array is all sealed in lens 301 with electric connection plate 3035.The electric connection plate 3035 of inner ring and outer ring forms a ring-type, and one of them electric connection plate 3035 is set to the introducing position of power supply.
Wherein one end of two boards 3033 is connected respectively in two power supply access points 3031 wherein, the other end be connected to outer ring for accessing electric connection plate 3035 places of power supply.One end of two other boards 3033 is connected respectively in other two power supply access points 3031, the other end be connected to inner ring for accessing electric connection plate 3035 places of power supply.
In shape and size, shape and the size of power supply access point 3031 do not limit, and can be the electrical node of circular or square or strip, and its size needs rationally to arrange according to the coupled size of power supply.
LED base 3039 is made into rectangular shape, and LED chip 305 is arranged on the LED base 3039 of rectangle between two parties.Its surface area is 2 times of left and right of LED chip 305 surface areas, the electrode conducting easily that can take into account on the one hand LED chip 305 is set like this and is connected to LED base 3039 both sides, can give on the other hand the area of dissipation that LED chip 305 is larger.
Be electrically connected plate 3035 and be made into strip, its length approximates the length of LED base 3039, its width is less than the half of LED base 3039 width, the electric connection that can conveniently be electrically connected on the one hand plate 3035 and LED base 3039 is so set, overall dimensions that on the other hand can maximized reduction LED light source 300.
In addition, on inner ring and outer ring, the radial distance between LED base 3039 is greater than 1/4 of LED base 3039 length.In the distance of every circle LED base 3039, be electrically connected plate 3035 owing to being provided with between every two LED bases 3039, make the distance between every two LED bases 3039 be greater than 1/2 of LED base 3039 width, the average normal distance between two LED chips 305 of every circle is greater than the normal direction size of LED chip 305.If in the situation that LED chip 305, electric connection plate 3035 and LED base 3039 all evenly arrange, the average area of dissipation of each LED chip 305 will be greater than 2-5 times of LED chip 305 areas.
Between every row LED chip 305, be interlaced arrangement, described herein interlocking refers to that the footpath of arbitrary LED chip 305 of outer ring and arbitrary LED chip 305 of inner ring does not all overlap to the midline.
If the normal direction of LED base 3039 is of a size of M, the footpath of first LED chip 305 of outer ring to the midline 3071 and corresponding first LED chip 305 footpaths of inner ring to the midline the distance between 3073 be N.Because LED chip 305, electric connection plate 3035 and LED base 3039 all evenly arrange, all there is deviation distance N with each LED chip 305 of inner ring in each LED chip 305 of outer ring therefore.Because this deviation distance N is all not identical in the position of every circle LED chip 305, and along with more past outside expansion of LED chip 305, its deviation distance N is just larger.Herein, the deviation distance N at every circle LED chip 305 respective radius places of normal direction center line institute is greater than the normal direction size of this place's LED chip normal direction midline LED chip 305.
As shown in the figure, deviation distance N1 > R herein.So arrange, make between these 12 LED chips 305 no matter be radially or in normal direction all to widen distance each other, make the efficiently radiates heat area of each LED chip 305 increase to 3-7 times of LED chip 305 areas, the light interference that LED chip 305 sends simultaneously also reduces greatly, improves the light effect that of LED light source 300.
Boards 3033 can be the connecting plate of strip, even say can be a wire, as long as it can be connected with 3031 conductings of power supply access point being electrically connected plate 3035, because power supply access point 3031 is positioned at outside lens 301, therefore boards 3033 has partly and is sealed in lens 301, and part is arranged on outside lens 301.
Being electrically connected between plate 3035 and LED base 3039 is to interconnect by wire 3037, LED base 3039 either sides of the present embodiment are all connected to and are electrically connected on plate 3035 with two wires 3037, the length of wire 3037 is 1.1-2 times of distance between two corresponding tie points, that is to say that wire 3037 also can keep the free stretch amount of distance between 0.1-1 times of tie point after connecting, if to guarantee after long-time use LED base 3039 or be electrically connected the position of plate 3035 or wire 3037 can not broken when alteration of form, can also reduce due to the excessive breakage that LED chip 305 is caused of wire 3037 pulling force.
Be electrically connected on plate 3035 and be provided with testing electrical property point 3036 at each, for testing separately the electrical performance of LED chip 305.In the time need to testing the electrical performance of a certain LED chip 305, directly the two ends of test probe are placed on to these LED chip 305 both sides and are electrically connected testing electrical property on plates 3035 and put the performance parameter of this LED chip 305 of test that 3036 places can accurate science.
In these LED lamp pearl 300 use procedures, power supply can supply power on LED substrate 303 by four power supply access points 3031.One end of boards 3033 is connected to power supply access point 3031, and the other end is optionally connected to and is electrically connected on plate 3035, will be electrically connected plate 3035 and external power source conducting.Be electrically connected plate 3035 and be connected by wire 3037 conductings with LED base 3039, the electrode of LED chip 305 is welded on again on LED base 3039, and therefore all LED chips 305 have just formed a turning circuit by being electrically connected plate 3035 with boards 3033.In the present embodiment, adopt four power supply access points 3031, wherein eight LED chips 305 of outer ring are connected to a conductive path by two positive and negative power supply access points 3031; Eight LED chips 305 of inner ring are connected to a conductive path by two other positive and negative power supply access point 3031.Meanwhile, these two series circuit path form and are connected in parallel, and finally form the circuit connecting mode of two and eight strings.So eight LED chips 305 of inner ring are with eight LED chips 305 of outer ring owing to being connected in parallel, connecting and disconnecting of the circuit and luminosity are independent of each other.
Compared with prior art, LED lamp pearl of the present utility model 100,300 both sides at each LED chip 105,305 increase electric connection plate 1035,3035, by being electrically connected plate 1035,3035,105,305 conductings of all LED chips are connected.Distance between LED chip 105,305 that this integrated package becomes is strengthened, increase the efficiently radiates heat area of each LED chip 105,305, thereby guarantee the good heat-radiating effect of whole LED lamp pearl 100,300.Most importantly, no matter be the LED chip 105 that rectangular array arranges, 305 arrangement modes or the LED chip of circular array 105,305 arrangement modes, adopt the encapsulation setting of staggered die bond between the plurality of LED chip 105,305, make each LED chip 105,305 efficiently radiates heat area increases greatly, improves the radiating effect of whole LED lamp pearl 100,300.And, because the distance between LED chip 105,305 increases, make the light that each LED chip 105,305 sends interfere reduction greatly, LED chip 105, the mutual uptake of 305 lateral emittings reduces, thereby has greatly improved the light extraction efficiency of LED lamp pearl 100,300.
In addition, be electrically connected on plate 1035,3035 and be equipped with LED chip 105 at each, 305 testing electrical property point 1036,3036, is placed on testing electrical property point 1036 by test probe, after on 3036, can test separately the electrical performance of each LED chip 105,305, avoid due to single LED chip 105,305 damage causes whole LED lamp pearl 100,300 disabled drawbacks, improve mass production and produce this LED lamp pearl product yield of 100,300 o'clock.
In the time that whole conducting channel connects, can be by changing boards 1033,3033 be electrically connected plate 1035,3035 link position, change the circuit connecting mode of whole integrated packaging LED chip 105,305, make whole LED lamp pearl 100,300 back panel wiring mode flexibility and changeability, meets the user demand under various environment.And without picture now, need to change whole LED lamp pearl 100,300 and could change circuit connecting mode.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within principle of the present utility model, are equal to and replace and within improvement etc. all should comprise protection range of the present utility model.

Claims (10)

1. a LED lamp pearl, it comprises at least two LED chip and at least two the electric connection plates that are packaged on LED substrate, it is characterized in that: the both sides of this each LED chip are electrically connected at electric connection plate, these at least two LED chips are staggered to be encapsulated on LED substrate.
2. LED lamp pearl as claimed in claim 1, is characterized in that: the electrode of LED chip is drawn separately from both sides respectively.
3. LED lamp pearl as claimed in claim 1, is characterized in that: the join domain of the electrode of both sides and electric connection plate arranges the testing electrical property point of this LED chip.
4. LED lamp pearl as claimed in claim 1, is characterized in that: the mean gap between every two LED chips that are electrical connected is greater than the horizontal or longitudinal size of this LED chip.
5. the LED lamp pearl as described in claim 1-4 any one, it is characterized in that: the rectangular or approximate rectangular array arrangement of these at least two LED chips, in the vertical direction, the center line of the center line of N row's LED chip and N-1 row LED chip departs from, and N is greater than 1 positive integer.
6. LED lamp pearl as claimed in claim 5, is characterized in that: described deviation distance is greater than the lateral dimension of LED chip.
7. the LED lamp pearl as described in claim 1-4 any one, it is characterized in that: the rounded or sub-circular array arrangement of these at least two LED chips, depart to the midline with the footpath of N-1 circle LED chip to the midline in the footpath of the LED chip of N circle, and N is greater than 1 positive integer.
8. LED lamp pearl as claimed in claim 7, is characterized in that: described deviation distance is greater than the normal direction size of LED chip.
9. the LED lamp pearl as described in claim 1-4 any one, it is characterized in that: it further comprises at least one group of boards being connected with external power source, described electric connection plate and described LED chip form at least one electric connection circuit, and described boards selectivity is connected to this at least one electric connection circuit.
10. LED lamp pearl as claimed in claim 9, is characterized in that: described at least two LED chips are electrically connected plate formation one electrical path with at least two, and described each boards is connected in initiating terminal or the clearing end of this electrical path.
CN201320784069.9U 2013-12-02 2013-12-02 Led lamp bead Expired - Fee Related CN203607458U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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CN104681547A (en) * 2013-12-03 2015-06-03 深圳市邦贝尔电子有限公司 LED (light emitting diode) light source and encapsulation method of LED light source
CN106369292A (en) * 2016-07-01 2017-02-01 深圳市长运通光电技术有限公司 LED light source module based on chip scale package and LED lamp
CN109188834A (en) * 2018-09-03 2019-01-11 深圳小淼科技有限公司 A kind of projector
CN112325212A (en) * 2019-07-31 2021-02-05 嘉兴山蒲照明电器有限公司 LED lamp

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104681547A (en) * 2013-12-03 2015-06-03 深圳市邦贝尔电子有限公司 LED (light emitting diode) light source and encapsulation method of LED light source
CN104681547B (en) * 2013-12-03 2018-04-13 深圳市邦贝尔电子有限公司 The method for packing of LED light source
CN106369292A (en) * 2016-07-01 2017-02-01 深圳市长运通光电技术有限公司 LED light source module based on chip scale package and LED lamp
CN106369292B (en) * 2016-07-01 2019-10-18 深圳市长运通半导体技术有限公司 LED light source mould group and LED lamp based on wafer-level package
CN109188834A (en) * 2018-09-03 2019-01-11 深圳小淼科技有限公司 A kind of projector
CN112325212A (en) * 2019-07-31 2021-02-05 嘉兴山蒲照明电器有限公司 LED lamp

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