CN206022415U - Light emission diode package member - Google Patents
Light emission diode package member Download PDFInfo
- Publication number
- CN206022415U CN206022415U CN201620634768.9U CN201620634768U CN206022415U CN 206022415 U CN206022415 U CN 206022415U CN 201620634768 U CN201620634768 U CN 201620634768U CN 206022415 U CN206022415 U CN 206022415U
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- China
- Prior art keywords
- reflecting surface
- light emission
- region
- inclined plane
- diode package
- Prior art date
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- 239000004065 semiconductor Substances 0.000 description 18
- 239000008393 encapsulating agent Substances 0.000 description 12
- 238000004806 packaging method and process Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
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- 238000002845 discoloration Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
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- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48257—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a die pad of the item
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- Led Device Packages (AREA)
- Planar Illumination Modules (AREA)
Abstract
This utility model is related to light emission diode package member, including:Lead frame, it include the 1st lead member spaced apart from each other and the 2nd lead member;Shell, which supports described lead frame, including making a part is exposed above any one in the 1st lead member and the 2nd lead member the 1st region and making in the 1st lead member and the 2nd lead member the 2nd region that part is exposed above another;And light-emitting diode chip for backlight unit, which is mounted on the 1st region of the shell, the shell also includes reflecting surface and inclined plane, the reflecting surface obliquely extends from outer laterally described 1st area side of the shell, and the inclined plane is extended obliquely in the 1st lead member and the 2nd lead member that the 2nd region is exposed above another from the reflecting surface.According to this utility model, the angle of inclination of the housing interior side-wall of light emission diode package member is formed with releiving, it is possible to increase the luminous efficiency of light emission diode package member.
Description
Technical field
This utility model is related to light emission diode package member, more specifically, is related to one kind and is formed with reflection on shell
The light emission diode package member in face.
Background technology
Light emitting diode is used as the inorganic semiconductor for the light occurred by electronics and being combined for hole being discharged into outside
Element, recently just used in the multiple fields such as display device, auto lamp, general lighting.This light emitting diode has the life-span
Long, power consumption is low, fast response time advantage.Therefore, light is used for using the light-emitting device of light emitting diode in various field
Source.
Conventional light emission diode package member in the state of light-emitting diode chip for backlight unit is configured on lead frame, by shell
Encapsulation.And, the medial wall of shell has predetermined angle, and the light to light from light-emitting diode chip for backlight unit can be in encapsulation
The medial wall reflection of shell.
Now, light-emitting diode chip for backlight unit can utilize metal wire with the electrical connection of lead frame, in order to light-emitting diodes
Die carries out wire bonding, between light-emitting diode chip for backlight unit and the medial wall of shell, needs to form set above space.
But, in the state of the size of shell is set, in order to ensure the space for light-emitting diode chip for backlight unit attachment, the medial wall of shell
Can only be bordering on and be vertically formed, the medial wall that accordingly, there exist shell cannot larger play the problem of the effect as reflecting surface.
Utility model content
Technical problem
Problem to be solved in the utility model is to provide and a kind of can be improved by the reflection in the medial wall of shell
The light emission diode package member of luminous efficiency.
Technical scheme
This utility model provides a kind of light emission diode package member, including:Lead frame, it include the spaced apart from each other 1st
Lead member and the 2nd lead member;Shell, its support the lead frame, including making the 1st lead member and the 2nd lead
The 1st region and make in the 1st lead member and the 2nd lead member that above any one in part, a part is exposed
The 2nd region that part is exposed above another;And light-emitting diode chip for backlight unit, which is mounted on the 1st region of the shell, institute
Stating shell also includes that reflecting surface and inclined plane, wherein described reflecting surface are inclined from outer laterally described 1st area side of the shell
Ground extends, the inclined plane from the reflecting surface extend obliquely to the 1st lead member exposed in the 2nd region and
Above another in 2nd lead member.
Technique effect
According to this utility model, the angle of inclination of the housing interior side-wall of light emission diode package member is formed with releiving, thus
The luminous efficiency of light emission diode package member can be improved.
And, as described above, forming inside the shell side with releiving in order to improve the luminous efficiency of light emission diode package member
The angle of inclination of wall, thus the exposed area size of the lead frame for preventing from mounting light-emitting diode chip for backlight unit reduces, for this purpose,
Housing interior side-wall includes the 1st reflecting surface and the 2nd reflecting surface, makes the angle of inclination of the 2nd reflecting surface more than the inclination angle of the 1st reflecting surface
Degree such that it is able to prevent the size of the exposed area of lead frame from reducing.
In addition, increasing the angle of inclination of the medial wall end of the shell as reflecting surface such that it is able to make to mount luminous
Realize maximizing in the space of diode chip for backlight unit.Further, the angle at the end for making housing interior side-wall is less than 90 so that end is anti-
The light that penetrates is also delivered to outside such that it is able to improve the luminous efficiency of light emission diode package member.
And, the upper side of shell has a predetermined width, and protrudes so that there is staggered floor with reflecting surface, thus outside
The inner side packing matcrial of shell during being formed, is prevented from the outside that encapsulant spills into shell.
Further, angle side width is made to be even larger than the side width in shell upper face, even if occurring in manufacturing process
External impact, it is also possible to the problems such as preventing outer casing rupture.Furthermore it is possible to formed the angle side in shell upper face shape tool
The shape for having curve, reflecting surface also has curve, enabling improve reflection of the luminous light of light-emitting diode chip for backlight unit in angle side
The efficiency reflected by face.
In addition, the 2nd region is formed on shell, expose the 2nd lead member so that the 1st region and the 2nd region it
Between, shell protrudes from top and is formed, thus the light of light-emitting diode chip for backlight unit release is not directly to Zener diode, with energy
Enough make because caused by Zener diode, the effect for minimizing is realized in light loss.
In addition, above the next door being configured between the 1st region and the 2nd region include the 1st reflecting surface, the 2nd reflecting surface and
2nd inclined plane, with the 2nd inclined plane from the 2nd reflection downward-sloping towards the 2nd area side so that Zener diode lead key
Operation together in the 1st lead member in the 1st region is easy, and the length of lead shortens, and causes because of lead so as to have to reduce
Light interference effect.
Description of the drawings
Fig. 1 is the axonometric chart of the light emission diode package member for illustrating the 1st embodiment of this utility model;
Fig. 2 is the top view of the light emission diode package member for illustrating the 1st embodiment of this utility model;
Fig. 3 is the profile intercepted along the intercepting line AA ' of Fig. 2;
Fig. 4 is the axonometric chart of the light emission diode package member for illustrating the 2nd embodiment of this utility model;
Fig. 5 is the top view of the light emission diode package member for illustrating the 2nd embodiment of this utility model;
Fig. 6 is the profile intercepted along the intercepting line AA ' of Fig. 5;
Fig. 7 is the situation that the light emission diode package member of diagram the 2nd embodiment of this utility model includes encapsulant
Exemplary plot;
Fig. 8 is the axonometric chart of the light emission diode package member for illustrating the 3rd embodiment of this utility model;
Fig. 9 is the top view of the light emission diode package member for illustrating the 3rd embodiment of this utility model;
Figure 10 is the profile intercepted along the intercepting line AA ' of Fig. 2;
Figure 11 is the profile of the light emission diode package member for illustrating the 4th embodiment of this utility model;
Figure 12 is the profile of the light emission diode package member for illustrating the 5th embodiment of this utility model;
Figure 13 is the profile of the light emission diode package member for illustrating the 6th embodiment of this utility model;
Figure 14 is the profile of the light emission diode package member for illustrating the 7th embodiment of this utility model.
Description of reference numerals
100:Light emission diode package member
110:Light-emitting diode chip for backlight unit 120:Lead frame
122:1st lead member 124:2nd lead member
130:Shell 132:1st reflecting surface
134:2nd reflecting surface 136:Groove
138:Upper surface 139:Next door
139a:1st inclined plane 139b:2nd inclined plane
139c:Vertical 140:Zener diode
150:Encapsulant h1, h2:1st region, the 2nd region
Specific embodiment
The light emission diode package member of this utility model one embodiment can include:Lead frame, it include mutually every
The 1st lead member that opens and the 2nd lead member;Shell, its support described lead frame, including make the 1st lead member and
The 1st region and make the 1st lead member and the 2nd lead that above any one in 2nd lead member, a part is exposed
The 2nd region that part is exposed above another in part;And light-emitting diode chip for backlight unit, which is mounted on the of the shell
1 region, the shell include reflecting surface and inclined plane, and wherein described reflecting surface is from outer laterally described 1st region of the shell
Roll and tiltedly extend, the 1st lead that the inclined plane is extended obliquely to expose in the 2nd region from the reflecting surface
Above another in part and the 2nd lead member.
Wherein, the 2nd region can be surrounded by the reflecting surface.
And, the inclined plane can include the 2nd inclined plane, and which is from the reflection positioned at the 1st area side towards in institute
State in the 1st lead member and the 2nd lead member that exposes in the 2nd region another above be formed obliquely.
Wherein, the 2nd inclined plane can be mutually contrary with the incline direction of the reflecting surface.2nd inclined plane can be wrapped
More than one inclined plane is included, or can be curved surface.Now, the 1st inclined plane can be reflecting surface.
In addition, the inclined plane can include the 1st inclined plane, which is from the reflection positioned at the outside of the shell towards in institute
State in the 1st lead member and the 2nd lead member that exposes in the 2nd region and be formed obliquely above another, the described 1st inclines
The angle of inclination on inclined-plane can be more than the reflecting surface.Wherein, the 1st inclined plane can be reflecting surface.
Furthermore, it is possible to also include the Zener diode for being mounted on the 2nd region, the thickness of the Zener diode can be with
The height of the 2nd area side end of the reflecting surface in the 2nd region is enclosed less than the attachment bread in the Zener diode.
With reference to the accompanying drawings, preferred embodiment of the present utility model is more particularly described.
Fig. 1 is the axonometric chart of the light emission diode package member for illustrating the 1st embodiment of this utility model, and Fig. 2 is to illustrate this reality
With the top view of the light emission diode package member of new 1st embodiment, and, Fig. 3 is along cuing open that the intercepting line AA ' of Fig. 2 is intercepted
Face figure.
As shown in Figures 1 and 2, the light emission diode package member 100 of the 1st embodiment of this utility model includes light emitting diode
Chip 110, lead frame 120, shell 130 and Zener diode 140.
Light-emitting diode chip for backlight unit 110 possesses more than one, is configured on lead frame 120.In addition, by means of outside supply
Power supply, more than one light-emitting diode chip for backlight unit 110 can discharge light, can be with from the light of the release of light-emitting diode chip for backlight unit 110
It is discharged into outside.This light-emitting diode chip for backlight unit 110 is as shown in figure 3, including n-type semiconductor layer 116, active layer 114 and p-type half
Conductor layer 112.
N-type semiconductor layer 116, active layer 114 and p-type semiconductor layer 112 can include the chemical combination of iii-v series respectively
Thing quasiconductor, as an example, can include the nitride-based semiconductor of such as (Al, Ga, In) N.In the present embodiment, to
The situation that 116 top of n-type semiconductor layer is formed with active layer 114, be formed with p-type semiconductor layer 112 on 114 top of active layer is entered
Row explanation, but as needed, the position of n-type semiconductor layer 116 and p-type semiconductor layer 112 can be changed.
N-type semiconductor layer 116 can include that N-shaped impurity (for example, Si), p-type semiconductor layer 112 can include p-type not
Pure thing (for example, Mg).Active layer 114 can include Multiple-quantum between n-type semiconductor layer 116 and p-type semiconductor layer 112
Well structure (MQW).And, for active layer 114, its ratio of components can be adjusted, so as to discharge required peak wavelength
Light.
In the present embodiment, light-emitting diode chip for backlight unit 110 can include the p-type electricity for being electrically connected in p-type semiconductor layer 112
Pole and the n-type electrode for being electrically connected in n-type semiconductor layer 116.Although especially do not limit, as an example, n-type electrode
Via (via) of insertion active layer 114 and p-type semiconductor layer 112 etc. can be passed through, be electrically connected in n-type semiconductor layer 116.
Lead frame 120 includes the 1st lead member 122 and the 2nd lead member 124, the 1st lead member 122 and the 2nd lead
Part 124 is configured with state spaced apart from each other.Lead frame 120 be writing board shape, above and bottom surface can be flat.And,
1st lead member 122 has the area broader than the 2nd lead member 124, and light-emitting diode chip for backlight unit 110 is mounted on relatively wide
The 1st wealthy lead member 122.Lead frame 120 is equipped with, light-emitting diodes to supply power supply to light-emitting diode chip for backlight unit 110
Die 110 can be electrically connected by means respectively of wire bonding with the 1st lead member 122 and the 2nd lead member 124.
In the present embodiment, lead frame 120 is as shown in figure 3, the top of side can be had than shape that bottom is protruded.
That is, the 1st lead member 122 and the 2nd lead member 124 can be formed with staggered floor in side respectively, in the 1st lead member 122 and
The staggered floor that the side of the 2nd lead member 124 is formed can have the shape that top is protruded from side.Therefore, the 1st lead member
122 and the 2nd lead member 124 is increased with the contact area of shell 130, such that it is able to improve adhesion.
In addition, as the side lower width of the 1st lead member 122 and the 2nd lead member 124 is less than side surface upper part, making
The size that the 1st lead member 122 and the 2nd lead member 124 of 100 bottom of light emission diode package member must be exposed to is possible to subtract
Little.Therefore, between the separating of the 1st lead member 122 and the 2nd lead member 124 that 100 bottom of light emission diode package member is exposed
Every widening, when external device (ED) is with 100 electrical bond of light emission diode package member, draw can the 1st lead member 122 and the 2nd
The situation of 124 electric short circuit of line part is minimized.
Shell 130 has the shape for surrounding the 1st lead member 122 and 124 sidepiece of the 2nd lead member respectively, to support
Lead frame 120.Therefore, the space that separates between the 1st lead member 122 and the 2nd lead member 124 is also filled up by shell 130,
1st lead member 122 and the 2nd lead member 124 can mutual electrical separations.Wherein, shell 130 is not drawn with covering the whole 1st
The shape of line part 122 and the 2nd lead member 124 is formed, but having exposes a part above the 1st lead member 122
Shape, according to overall dimensions and the shape of shell 130, determine the size and shape of light emission diode package member 100.
Shell 130 has and expose 122 part of the 1st lead member on top and surround 120 sidepiece of lead frame completely
Shape, thus be thicker than the thickness of lead frame 120.In addition, the 1st lead member 122 is got over from exposed area laterally, shell
130 thickness is possible to can be thicker.I.e., as shown in Figures 1 and 3, the upper side of shell 130 is in order to luminous in inner central configuration
Diode chip for backlight unit 110 and be formed with the 1st region h1 exposed for the 1st lead member 122, possess more to shell 130 outside more
Acclivitous medial surface.
Now, the medial surface of shell 130 is formed with acclivitous inclined plane in outward direction, and inclined plane includes that the 1st is anti-
Penetrate face 132 and the 2nd reflecting surface 134.Outer upper end of 1st reflecting surface 132 from shell 130, to inward side to downward-sloping landform
Into the medial surface for occupying shell 130 is most of.
Wherein, in top view as shown in Figure 2, the area of the 1st region h1 can be light emission diode package member 100
The 10% to 30% of all areas.Then, the area of the 1st region h1 forms more to be less than light emission diode package member 100 complete
Bulk area, the shared area in light emission diode package member 100 of the 1st reflecting surface 132 is possible to can be bigger, and the 1st reflecting surface
132 area is bigger, and the luminous efficiency of light emission diode package member 100 more can be improved.
Now, if the area of the 1st region h1 is sent out more than the 30% of all areas of light emission diode package member 100
The luminous efficiency of optical diode packaging part 100 is possible to decline.In addition, if less than 10%, then luminous two can be mounted on
The limited size of the light-emitting diode chip for backlight unit 110 of pole pipe packaging part 100 so that the usability meeting of light emission diode package member 100
Decline, and attachment light-emitting diode chip for backlight unit 110 can be made, carry out the space reduction of wire bonding, may send out in process
Life is bad.Therefore, as described above, the area of the 1st region h1 is the 10% to 30% of 100 all areas of light emission diode package member
Can be than advantageous.
And, as described above, the area with the reflecting surface 132 of light emission diode package member 100 is widened, the 1st region h1
Width relatively reduced, therefore, the area of the 1st lead member 122 that exposes in the 1st region h1 reduces.So, with the 1st
The area of lead member 122 reduces, even if the 1st lead member 122 changes colour, compared with the past, the discoloration of the 1st lead member 122
Area reduces so that can be more preferably according to the luminous efficiency of the light emission diode package member 100 of the discoloration of the 1st lead member 122.
If in addition, as shown in Fig. 2 compare the width of the width and the 1st reflecting surface 132 of the 1st region h1, luminous two
A direction in the plane of pole pipe packaging part 100, relative to the width b1 of the 1st region h1, the width b2 of the 1st reflecting surface 132 can
To be about 33% to 133%.That is, in the state of the size of light emission diode package member 100 is set, the area of the 1st region h1
Can be different because of the size of light-emitting diode chip for backlight unit 110.Therefore, the area of the 1st reflecting surface 132 can also change, but consider this
The luminous efficiency of the light emission diode package member 100 of embodiment, can determine the width b1 and the 1st of the 1st region h1 as mentioned above
The relation of the width b2 of reflecting surface 132.
In the present embodiment, predetermined face is formed with the upper end of shell 130, in the 1st reflecting surface 132 and shell 130
Staggered floor is could be formed between upper surface.That is, the upper surface of shell 130 can be more slightly higher than the 1st reflecting surface 132 configure.With
So between the 1st reflecting surface 132 and the upper surface of shell 130, be formed with staggered floor, when with covering luminousing diode chip 110 simultaneously
When covering the mode of the 1st reflecting surface 132 and being formed with encapsulant, form to prevent encapsulant and cross 130 upper end of shell
Face and spill into outside.
And, the inside end of the 1st reflecting surface 132 may be located at 122 top of the 1st lead member so that with shell 130
Staggered floor is formed above the 1st lead member 122 that inner side is exposed.That is, even if outer upper end of the 1st reflecting surface 132 from shell 130
More more incline to inner side, be also not extend on the 1st lead member 122 that the 1st region h1 exposes.
So, as the 1st reflecting surface 132 is not contacted over the 1st lead member 122 that exposes in the 1st region h1, phase
Than in the 1st reflecting surface 132 and the situation contacted above the 1st lead member 122, the 1st reflecting surface 132 can have relative releiving
Inclination.
And, the 2nd reflecting surface 134 extends from the inside end of the 1st reflecting surface 132, can extend with the 1st region h1
The 1st lead member 122 that exposes is contacted.Now, the place that the 2nd reflecting surface 134 is contacted with the 1st lead member 122 that exposes, can
To separate more than both set a distances with the light-emitting diode chip for backlight unit 110 for being mounted on the 1st lead member 122 that exposes.
In addition, in the interior lateral incline of shell 130, being formed with a part for the position that can be formed in the 1st region h1
Groove 136.The groove 136 formed in the 1st region h1 exposes a part of the adding of the 1st lead member 122, by means of groove 136
The position of the 1st lead member 122 that exposes, can be with bonding wire.In the present embodiment, groove 136 is illustrated in figure in the 1st area
The situation that the flanking central of domain h1 is formed, but groove 136 can be formed in the angle side of the 1st region h1 or other sides.
So, if groove 136 is configured at the flanking central of the 1st region h1, light-emitting diode chip for backlight unit 110 is electrically connected
With the contraction in length of the metal wire of the 1st lead member 122, can reduce because of light interference caused by metal wire.In addition, if groove
136 form in the angle side of the 1st region h1, then can form groove 136 with less size, as the size of groove 136 reduces, the 1st
The area of reflecting surface 132 can increase, enabling improve the reflectance of the luminous light of light-emitting diode chip for backlight unit 110.
And, in the present embodiment, the 2nd area exposed for the 2nd lead member 124 can be formed with the 1st reflecting surface 132
Domain h2.With the 2nd region h2 is formed, above the 2nd lead member 124, a part is exposed, and Zener diode 140 can be mounted on
Above the 2nd lead member 124 that exposes.In addition, the 2nd lead member 124 that exposes in the 2nd region h2 can be by means of lead
It is bonded and is electrically connected with light-emitting diode chip for backlight unit 110.
The outfit of Zener diode 140 is for preventing light-emitting diode chip for backlight unit 110 from may send out because of external power supply
Raw electrostatic and sustain damage.In the present embodiment, zener diode 140 is mounted on the situation of the 2nd region h2 and illustrates,
But as needed, Zener diode 140 may be located at the inside of shell 130 and not be exposed to outside.In addition, Zener diode
140 can be mounted on any one place in the 1st lead member 122 and the 2nd lead member 124.
Now, Zener diode 140 any one in the 1st lead member 122 and the 2nd lead member 124 is mounted on
In the state of, can be encapsulated by shell 130, and with by means of resin for being constituted shell 130 etc. come the state to be completely covered
It is packaged.If Zener diode 140 is so packaged in shell 130, Zener diode 140 is not exposed to outside, with
Zener diode 140 is exposed to the situation of outside and compares, and the area of the 1st reflecting surface 132 can increase, it is possible to increase light emitting diode
The luminous efficiency of packaging part 100.
And, with reference to Fig. 3, the 1st reflecting surface 132 and the 2nd reflecting surface 134 are described in more detail.
Illustrate as described above, the 1st reflecting surface 132 from the position for forming staggered floor in the outer upper end face of shell 130, to
100 central authorities of light emission diode package member are formed with being sloped downwardly.And, the inside end from the 1st reflecting surface 132 is to the 1st area
1st lead member 122 of domain h1 is formed with the 2nd reflecting surface 134 above.Now, as shown in figure 3, the 1st reflecting surface 132 is anti-with the 2nd
Face 134 is penetrated with mutually different angle of inclination, the angle of inclination a of the 1st reflecting surface 132 can inclining less than the 2nd reflecting surface 134
Rake angle b (a < b).
So, as the 2nd relatively large reflectings surface 134 of angle of inclination b are in the inside end shape of the 1st reflecting surface 132
Into the size of the 1st region h1 can be guaranteed to the maximum limit.Now, the angle of inclination b of the 2nd reflecting surface 134 can have 45 degree
To 90 degree of angles (45≤b≤90).Therefore, with the 1st reflecting surface 132 with same tilt angle a extend and with the 1st lead member
The situation of 122 contacts is compared, and with the 2nd reflecting surface 134 is formed, the width of the 1st region h1 relative can be widened, therefore, to patch
The degree of freedom of 110 size of light-emitting diode chip for backlight unit loaded on the 1st region h1 further can be increased.
Now, if the angle of inclination of the 2nd reflecting surface 134 is less than 45 degree, light-emitting diodes can be mounted in the 1st region h1
The space of die 110 accordingly reduces, it is difficult to guarantee to mount the space of operation and for lead for light-emitting diode chip for backlight unit 110
The space of bonding.
In addition, the inside end of the 1st reflecting surface 132 and the distance above the 1st lead member 122, i.e. the 2nd reflecting surface 134
Height d1 can be less than light-emitting diode chip for backlight unit 110 thickness d 3, it is highly preferred that can be less than the 1st lead member 122 upper
The active layer 114 in face to light-emitting diode chip for backlight unit 110 apart from d2 (d1 < d2 < d3).That is, 132 inside end of the 1st reflecting surface
The height d1 of position may be located at the position of the height d3 less than light-emitting diode chip for backlight unit 110, can be less than n-type semiconductor layer
116 height d2, to reflect in the 1st reflecting surface 132 from the luminous light of light-emitting diode chip for backlight unit 110.Wherein, the 2nd is anti-
The height d1 for penetrating face can be 50 μm to 300 μm.
Wherein, as the active layer 114 of light-emitting diode chip for backlight unit 110 occurs light and discharges, therefore, if the 2nd reflecting surface
134 inside end height d1 is in the position higher than 114 position d2 of active layer, then anti-the 2nd from the luminous light of active layer 114
The situation for penetrating the reflection of face 134 increases, thus the luminous efficiency of light emission diode package member 100 can decline.This is because the 2nd reflection
134 angle of inclination of face is more than the 1st reflecting surface 132, thus the reflection efficiency of the 2nd reflecting surface 134 can be more anti-than the 1st reflecting surface 132
Penetrate efficiency decline.
Fig. 4 is the axonometric chart of the light emission diode package member for illustrating the 2nd embodiment of this utility model, and Fig. 5 is to illustrate this reality
Top view with the light emission diode package member of new 2nd embodiment.And, Fig. 6 is along cuing open that the intercepting line AA ' of Fig. 2 is intercepted
Face figure, Fig. 7 are the examples of the situation that the light emission diode package member of diagram the 2nd embodiment of this utility model includes encapsulant
Figure.
If with reference to Fig. 4 and Fig. 5, the light emission diode package member 100 of the 2nd embodiment of this utility model includes light-emitting diodes
Die 110, lead frame 120, shell 130 and Zener diode 140.Light-emitting diodes to the 2nd embodiment of this utility model
Pipe packaging part is illustrated, and is omitted with the explanation of the 1st embodiment identical.
In the present embodiment, be formed with predetermined face in the upper end of shell 130, as shown in figure 5, the 1st reflecting surface 132 with
Staggered floor a1 be could be formed between the upper surface 138 of shell 130.That is, the upper surface 138 of shell 130 can be arranged to a little higher than
1st reflecting surface 132.
In the present embodiment, light emission diode package member 100 is as shown in fig. 7, encapsulant 150 can also be included.Sealing
Material 150 can be formed with resin or silicon, can be with covering luminousing diode chip 110 and the 1st reflecting surface 132 and the 2nd reflecting surface
134 ground are formed.Now, encapsulant 150 can utilize the encapsulant 150 of liquid in the fabrication process, can be by liquid
Hardening in the state of on the inside of the filling shell 130 of encapsulant 150 is formed.In the upper surface 138 of shell 130 and the 1st reflecting surface 132
Between be formed with staggered floor a1, it is thus possible to prevent in the process, the encapsulant 150 of liquid is in covering luminousing diode chip
The outside of shell 130 is spilt into during 110 and the 1st reflecting surface 132 and the 2nd reflecting surface 134.
That is, staggered floor a1 is formed between the 1st reflecting surface 132 and the upper surface 138 of shell 130, thus as shown in fig. 7,
When covering 132 ground of the 1st reflecting surface formation encapsulant 150 while covering luminousing diode chip 110, it is prevented from sealing
Material 150 is crossed 130 upper surface 138 of shell and spills into outside formation.
Referring again to Fig. 5, the upper surface 138 of shell 130 is further described.Bowing the upper surface 138 of shell 130
Formed in the way of surrounding the most gabarit of light emission diode package member 100 on view, the internal profile of upper surface 138 determines the 1st reflection
The outline shape in face 132.Therefore, as illustrated, the profile of upper surface 138 is rectangular shape, the internal profile of upper surface 138 has
The shape for having the side of rectilinear form mutually to extend with the angle side of curve shape.That is, the internal profile of upper surface 138 can have class
It is similar to the shape of ellipse.
In the present embodiment, the width of the upper surface 138 of shell 130 can be different because of position.In other words, luminous two
The 138 width w1 of upper surface of 100 side of pole pipe packaging part can be with different, angle side with the 138 width w2 of upper surface in angle side
138 width w2 of upper surface can be more than side 138 width w1 of upper surface.That is, the internal profile in upper surface 138 has straight line
The position of shape, the width w1 of upper surface 138 have given width, in the position that internal profile has curve shape, with upper surface
The width w2 of 138 profiles is got over to angle side, and width can be bigger.Now, the Breadth Maximum of the 138 jiaos of sides in upper surface of shell 130
W2 can be about 3 times to 7 times compared with lateral width w1.
So, with shell 130 138 width of upper surface by from side Yue Xiangjiao sides bigger in the way of formed, system
Make in the operation of light emission diode package member 100, the situation that collides such as between light emission diode package member 100, even if to sending out
Optical diode packaging part 100 applies external force, it is also possible to make the bad situations such as the rupture of generation shell 130 realize minimizing.
Wherein, if the Breadth Maximum w2 of the 138 jiaos of sides in upper surface of shell 130 is less than lateral width w1 3 times, then, when
When volume production or transport light emission diode package member 100, shell 130 is because mutually colliding or conflicting and the danger of breakage with other equipments
High.In addition, if being more than 7 times, then the width w2 of angle side is wide, thus the area of reflecting surface 132 is relatively reduced, therefore, lights
The luminous efficiency of diode encapsulating parts 100 can decline.
In addition, in the present embodiment, the situation to light emission diode package member 100 with four edges is illustrated.Now,
In the present embodiment, 132 width of reflecting surface for extending from 138 side of upper surface for being located at least two sides in four edges, and corresponding
The width of upper surface 138 is compared, and can be 4 times to 7 times.So, if the corresponding upper surface 138 of the width ratio of reflecting surface 132
Width is less than 4 times, then, the width of upper surface 138 is relative to be widened, and the width of reflecting surface 132 diminishes so that under reflection efficiency
Drop.In addition, if being more than 7 times, then the width of reflecting surface 132 is excessive, it is difficult to substantially ensure that as attachment light-emitting diode chip for backlight unit
The width of the 1st region h1 of 110 desired zones, therefore can make attachment light-emitting diode chip for backlight unit 110 go forward side by side line lead bonding work
Sequence declines.
Fig. 8 is the axonometric chart of the light emission diode package member for illustrating the 3rd embodiment of this utility model, and Fig. 9 is to illustrate this reality
Top view with the light emission diode package member of new 3rd embodiment.And, Figure 10 is along cuing open that the intercepting line AA ' of Fig. 2 is intercepted
Face figure.
If with reference to Fig. 8 and Fig. 9, the light emission diode package member 100 of the 3rd embodiment of this utility model includes light-emitting diodes
Die 110, lead frame 120, shell 130 and Zener diode 140.Light-emitting diodes to the 3rd embodiment of this utility model
Pipe packaging part is illustrated, and is omitted with the 1st embodiment and the explanation of the 2nd embodiment identical.
In the present embodiment, the 2nd region h2 exposed for the 2nd lead member 124 is could be formed with the 1st reflecting surface 132.
2nd region h2 is formed exposes must a part above the 2nd lead member 124, and Zener diode 140 can be mounted on and expose
Above 2nd lead member 124.And, the 2nd lead member 124 that exposes in the 2nd region h2 can be by means of wire bonding
It is electrically connected with light-emitting diode chip for backlight unit 110.
As set forth above, it is possible to the shell 130 being located between the 1st region h1 and the 2nd region h2 is defined as next door 139.Every
Wall 139 is configured between the 1st lead member 122 and the 2nd lead member 124, to make the 1st lead member 122 and the 2nd leading part
124 electric insulation of part, as shown in Fig. 8 to Figure 10, with than the 1st lead member 122 and the 2nd lead member 124, portion is convex more up
The shape for going out.Have above next door 139 to the 1st region h1 and roll the 2nd oblique reflecting surface 134 and in the top from the 2nd reflection
The 1st reflecting surface 132 that face 134 extends.And, on the basis of the 1st reflecting surface 132, can be in the opposition side of the 2nd reflecting surface 134
There is the 2nd inclined plane 139b.
Wherein, the height that can be highly more than Zener diode 140 in next door 139.Therefore, from light-emitting diode chip for backlight unit
110 luminous light can not direct irradiation Zener diode 140 by means of next door 139.
2nd inclined plane 139b from the 1st reflecting surface 132 towards the 2nd lead member 124 that exposes in the 2nd region h2 obliquely
Formed, the 2nd inclined plane 139b can not be contacted with the 2nd lead member 124 or be contacted.That is, the 2nd inclined plane 139b can be with the 2nd
The gradient that reflecting surface 134 is inclined is contrary.
So, as the 2nd inclined plane 139b is formed, the upper space of the 2nd region h2 can be widened, therefore, luminous two
Pole pipe chip 110 with the 2nd lead member 124 that is exposed by means of the 2nd region h2 when being bonded by means of metal wire from
Can be increased by degree.
Wire bonding by the position of wire bonding metal wire from top downwards print realizing in the way of being bonded, here mistake
Cheng Zhong, although the area of the 2nd region h2 also can be had an impact to operation, but in the wire bonding sequence characteristic due to, the 2nd area
The upper space of domain h2 can also produce impact.That is, with the 2nd inclined plane 139b is formed in the 2nd region h2, for wire bonding
Device can be moved freely through from the 2nd region h2 tops to the 1st region h1 sides.
In addition, with the 2nd inclined plane 139b is formed in the 2nd region h2, as shown in figure 1, in the 1st region h1 and the 2nd region
The length of the metal wire that h2 is bonded respectively can shorten, and can reduce because of light interference caused by metal wire.
And, as shown in Figure 10, the 2nd inclined plane 139b can have two inclined planes, be not limited to this, can have
One inclined plane, can have more inclined planes.In addition, the 2nd inclined plane 139b is not formed with straight line on section, but can be with
It is formed in curved lines.That is, the 2nd inclined plane 139b can be formed with curved surface.
In the 2nd region h2, the 1st inclined plane can be formed with the opposite face for being formed with the 2nd inclined plane 139b
139a.1st inclined plane 139a is from the 1st reflecting surface 132 positioned at the 2nd region h2 lateral directions to 124 direction of the 2nd lead member
Downward-sloping face.So, with forming the 1st inclined plane 139a, can be the from the luminous light of light-emitting diode chip for backlight unit 110
1 inclined plane 139a is reflected, and is reflexed to the top of light emission diode package member 100 and is discharged.For this purpose, the 1st inclined plane 139a
Can be made up of reflecting surface.
Further, when the light reflected from the 1st inclined plane 139a is towards 2 inclined plane 139b, the 2nd inclined plane 139b
Can be made up of reflecting surface, to be reflected in the 2nd inclined plane 139b again, so as to be released to light emission diode package member
100 top.
Now, the 1st inclined plane 139a and the 2nd inclined plane 139b be respectively compared with the 1st reflecting surface 132, and angle of inclination can be with
Relatively bigger.In addition, as needed, the 1st inclined plane and the 2nd inclined plane can include plural inclined plane respectively.So
Ground, as the 1st inclined plane and the 2nd inclined plane include plural inclined plane respectively, more efficiently can reflect from luminous two
The light of pole pipe chip light emitting.
As described above, with the 1st inclined plane 139a and the 2nd inclined plane 139b is formed, may be advantageous to assure that for the 2nd
Region h2 mounts the space of Zener diode 140.
Figure 11 is the profile of the light emission diode package member for illustrating the 4th embodiment of this utility model.
If with reference to Figure 11, the light emission diode package member 100 of the 4th embodiment of this utility model includes light-emitting diodes tube core
Piece 110, lead frame 120, shell 130 and Zener diode 140.The light emitting diode of the 4th embodiment of this utility model is sealed
Piece installing 100 is illustrated, and is omitted with the explanation of the 1st embodiment to the 3rd embodiment identical.
In the present embodiment, next door 139 has than the 1st lead member 122 and the 2nd lead member 124 that portion protrudes more up
Shape.And, above next door 139,132a is had and is put down with 132a above the 1st lead member 122 and the 2nd lead member 124
Capable face.Above next door 139 in the side of 132a and the 3rd embodiment, could be formed with the 2nd reflecting surface 134, opposite side
Could be formed with the 2nd inclined plane 139b.
Figure 12 is the profile of the light emission diode package member for illustrating the 5th embodiment of this utility model.
If with reference to Figure 12, the light emission diode package member 100 of the 5th embodiment of this utility model includes light-emitting diodes tube core
Piece 110, lead frame 120, shell 130 and Zener diode 140.The light emitting diode of the 5th embodiment of this utility model is sealed
Piece installing 100 is illustrated, and is omitted with the explanation of the 1st embodiment to the 3rd embodiment identical.
In the present embodiment, next door 139 has than the 1st lead member 122 and the 2nd lead member 124 that portion protrudes more up
Shape.And, have above next door 139 to the 1st region h1 and roll oblique the 2nd reflecting surface 134 and anti-from the 2nd in the top
Penetrate the 1st reflecting surface 132 of the extension of face 134.And, on the basis of the 1st reflecting surface 132, can in the opposition side of the 2nd reflecting surface 134
With with vertical 139c.Now, vertical 139c is along the face formed perpendicular to the direction of the 2nd lead member 124.
In the present embodiment, as next door 139 has vertical 139c, due to the 1st reflecting surface 132 positioned at the top
Area is possible to increase, and the area that the luminous light of light-emitting diode chip for backlight unit 110 can reflect increases, it is possible to increase light emitting diode
The luminous efficiency of packaging part 100.
Figure 13 is the profile of the light emission diode package member for illustrating the 6th embodiment of this utility model.
If with reference to Figure 13, the light emission diode package member 100 of the 6th embodiment of this utility model includes light-emitting diodes tube core
Piece 110, lead frame 120, shell 130 and Zener diode 140.The light emitting diode of the 6th embodiment of this utility model is sealed
Piece installing 100 is illustrated, and is omitted with the explanation of the 1st embodiment to the 3rd embodiment identical.
In the present embodiment, next door 139 has than the 1st lead member 122 and the 2nd lead member 124 that portion protrudes more up
Shape.And, the side in next door 139 can have to the 1st region h1 and roll the 2nd oblique reflecting surface 134, and opposite side can be
The opposition side of the 2nd reflecting surface 134 has the 2nd inclined plane 139b.2nd inclined plane 139b is inclined to the 2nd region h2.Therefore, next door
139 the top can have sharp shape by means of the 2nd reflecting surface 134 and the 2nd inclined plane 139b.
Due to the shape in this next door 139, the angle of the 2nd inclined plane 139b can have relatively compared with the 3rd embodiment
The inclination that releives, therefore, the upper space of the 2nd region h2 can be increased, therefore, freedom to the wire bonding of the 2nd region h2
Degree can be increased.In addition, the inclination of the 2nd inclined plane 139b is releived, the light from the reflection of the 1st inclined plane 139a is in the 2nd inclined plane
139b is reflected and is discharged into the situation on 100 top of light emission diode package member again and raised relatively, it is thus possible to improved luminous
The luminous efficiency of diode encapsulating parts 100.
Figure 14 is the profile of the light emission diode package member for illustrating the 7th embodiment of this utility model.
If with reference to Figure 14, the light emission diode package member 100 of the 7th embodiment of this utility model includes light-emitting diodes tube core
Piece 110, lead frame 120, shell 130 and Zener diode 140.The light emitting diode of the 7th embodiment of this utility model is sealed
Piece installing 100 is illustrated, and is omitted with the explanation of the 1st embodiment to the 3rd embodiment identical.
In the present embodiment, next door 139 has than the 1st lead member 122 and the 2nd lead member 124 that portion protrudes more up
Shape.And, the side in next door 139 can have to the 1st region h1 and roll the 2nd oblique reflecting surface 134, and opposite side can be
The opposition side of the 2nd reflecting surface 134 has vertical 139c.Vertical 139c is along the direction shape perpendicular to the 2nd lead member 124
Into face.Therefore, the top in next door 139 can have sharp shape by means of the 2nd reflecting surface 134 and vertical 139c
Shape.
So, in the present embodiment, as next door 139 has the 2nd reflecting surface 134 and vertical 139c, next door 139
The 2nd reflecting surface 134 for being formed can have than (reflecting from the 2nd of the 132 direct extension of the 1st reflecting surface the from the 2nd other reflecting surface
The inclination that 134) face more releives.Therefore, reflected from the 2nd reflecting surface 134 from the luminous light of light-emitting diode chip for backlight unit 110, made
Obtain the luminous efficiency that relative can be improved to the release of 100 top of light emission diode package member.
Such as explanation made above, according to embodiment referring to the drawings, this utility model is illustrated, but institute
It is to enumerate preferred exemplary of the present utility model to illustrate to state embodiment, thus must not be interpreted as that this utility model is confined to
The embodiment, this utility model are interpreted as the technical solution of the utility model and its equivalent concepts.
Claims (12)
1. a kind of light emission diode package member, it is characterised in that include:
Lead frame, it include the 1st lead member spaced apart from each other and the 2nd lead member;
Shell, its support described lead frame, including make in the 1st lead member and the 2nd lead member any one
The 1st region exposed of a part and part dew above another is made in the 1st lead member and the 2nd lead member above
The 2nd region for going out;And
Light-emitting diode chip for backlight unit, its are mounted on the 1st region of the shell,
The shell also includes reflecting surface and inclined plane, and wherein described reflecting surface is from outer laterally described 1st region of the shell
Roll and tiltedly extend, the 1st lead that the inclined plane is extended obliquely to expose in the 2nd region from the reflecting surface
In part and the 2nd lead member above another.
2. light emission diode package member according to claim 1, it is characterised in that
2nd region is surrounded by the reflecting surface.
3. light emission diode package member according to claim 2, it is characterised in that
The inclined plane includes the 1st inclined plane, and which is from the reflection in the outside for being located at the shell towards exposing in the 2nd region
The 1st lead member and the 2nd lead member in another above be formed obliquely.
4. light emission diode package member according to claim 3, it is characterised in that
The angle of inclination of the 1st inclined plane is more than the reflecting surface.
5. light emission diode package member according to claim 3, it is characterised in that
1st inclined plane is reflecting surface.
6. light emission diode package member according to claim 2, it is characterised in that
The inclined plane includes the 2nd inclined plane, and which is from being located at the reflection of the 1st area side towards exposing in the 2nd region
The 1st lead member and the 2nd lead member in another above be formed obliquely.
7. light emission diode package member according to claim 6, it is characterised in that
2nd inclined plane is contrary with the incline direction of the reflecting surface.
8. light emission diode package member according to claim 7, it is characterised in that
2nd inclined plane includes more than one inclined plane.
9. light emission diode package member according to claim 7, it is characterised in that
2nd inclined plane is curved surface.
10. light emission diode package member according to claim 6, it is characterised in that
2nd inclined plane is reflecting surface.
11. light emission diode package members according to claim 2, it is characterised in that also include:
Zener diode, its are mounted on the 2nd region.
12. light emission diode package members according to claim 11, it is characterised in that
The thickness of the Zener diode encloses the reflecting surface in the 2nd region less than the attachment bread in the Zener diode
The height of the 2nd area side end.
Priority Applications (1)
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CN201620634768.9U CN206022415U (en) | 2016-06-24 | 2016-06-24 | Light emission diode package member |
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Application Number | Priority Date | Filing Date | Title |
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CN201620634768.9U CN206022415U (en) | 2016-06-24 | 2016-06-24 | Light emission diode package member |
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Publication Number | Publication Date |
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CN201620634768.9U Expired - Fee Related CN206022415U (en) | 2016-06-24 | 2016-06-24 | Light emission diode package member |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107546310A (en) * | 2016-06-24 | 2018-01-05 | 首尔半导体株式会社 | Light emission diode package member |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107546310A (en) * | 2016-06-24 | 2018-01-05 | 首尔半导体株式会社 | Light emission diode package member |
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