CN109473400A - A kind of light emitting diode - Google Patents
A kind of light emitting diode Download PDFInfo
- Publication number
- CN109473400A CN109473400A CN201811477364.3A CN201811477364A CN109473400A CN 109473400 A CN109473400 A CN 109473400A CN 201811477364 A CN201811477364 A CN 201811477364A CN 109473400 A CN109473400 A CN 109473400A
- Authority
- CN
- China
- Prior art keywords
- foam
- light emitting
- polarity
- straight flange
- emitting diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006260 foam Substances 0.000 claims abstract description 33
- 238000004020 luminiscence type Methods 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/10—Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/481—Internal lead connections, e.g. via connections, feedthrough structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a kind of light emitting diodes, belong to the light emitting device field in photovoltaic applications field, included lead frame, luminescence chip and lamp bead, the lamp bead is made of foam and polarity block, the luminescence chip is put in the top of lead frame admittedly, the top of the luminescence chip and lead frame is packaged in foam, and the polarity block is the convex block being set on foam bottom outside wall.The present invention not only can individually visually observe identification according to the predetermined design of the polar orientation in the direction and diode of polarity block, the polar orientation of rapid identification light emitting diode, can also hold the polarity identification that orientation where touching polarity block carries out diode.
Description
Technical field
The present invention relates to a kind of luminescent device in photovoltaic applications field, especially a kind of light emitting diode.
Background technique
Light emitting diode is mostly bulk packages and transport after demoulding cuts into single individual, needs to differentiate when in use
The polarity of diode, differentiating polar conventional method is to carry out the identification electrode direction that is powered to diode using machine, and identification is quasi-
Really, but it is cumbersome, low efficiency.
After having differentiated polarity, since the shape of conventional lamp bead is the hemispheroidal structure in lower cylinder+top, place
It can be rolled on table top, cause to distinguish that polar work is wasted together, the prior art is will to have differentiated polar two pole
Pipe is inserted on foam, is plugged by fixed-direction, goes to the next step, although the method solves the above problem, but used
Cheng Zhong, Duo Liaoyi procedure, it is more cumbersome.
Our company is to solve above two technical problem, have developed one kind directly can observe and touch differentiate it is polar luminous
Diode, and the detection machine that can recognize the LED lamp bead special construction is had developed, without the detection polar orientation that is powered, greatly
Light emitting diode is measured on the assembly line of detection machine through direction of reaching an agreement in transmission → rolling → transmission process, that is, can recognize pole
Property direction, reaching batch flowing water distinguishes polar effect, greatly improves production efficiency.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of light emitting diode, solves existing light emitting diode
The polar orientation problem that distinguish that process is tedious complicated, the polarity side of diode can be intuitively differentiated by the polarity block of setting
To, without the detection that is powered, it can distinguish diode polarity, greatly improve working efficiency and polarity identification accuracy, raising
Product quality.
Technical solution of the present invention:
A kind of light emitting diode, included lead frame, luminescence chip and lamp bead, the lamp bead are made of foam and polarity block,
The luminescence chip is put in the top of lead frame admittedly, and the top of the luminescence chip and lead frame is packaged in foam, institute
Stating polarity block is the convex block being set on foam bottom outside wall.
Further, the polarity block is that the circle annulus being set on foam bottom outside wall cuts out at least one directly
Remainder after the gap of side.
Further, the polarity block has three straight flange gap, and two adjacent straight flanges slit in three straight flange gap
Mouth is mutually perpendicular to.
Further, an at least straight flange gap and the plane where the lead frame in three straight flange gap
In parallel.
Further, the foam bottom shape is circle, and the rounded bottom surface of the straight flange gap and foam is mutually circumscribed.
Further, the foam and polarity block are mold integrated injection molding.
Further, the material of the foam and polarity block is transparent epoxy resin.
Compared with prior art, the present invention can according to the predetermined design of the polar orientation in the direction and diode of polarity block,
The polar orientation of rapid identification light emitting diode not only can individually visually observe identification, can also hold where touching polarity block
Orientation carries out the polarity identification of diode, and in addition the setting of the straight flange gap of polarity block, prevents diode from rolling in the plane
The pole moved the diode direction entanglement for causing to be placed on the identified polar orientation on platform and need to re-recognize diode
Property rework aspect, do not need for diode plug-in unit to be transported through on foam, directly using diode of the present invention the case where yet
Under can quickly identify after carry out using, it is convenient and efficient, reduce process, improve production efficiency, in addition cooperation assembly line detection
Machine in use, polarity block straight flange gap and arc convex, can quickly be detected machine identification direction, without be powered detection diode
Polarity, in addition straight flange gap plays and prevents diode from rolling on the conveyor belt the case where sliding during transportation.
Detailed description of the invention
Fig. 1 is the position view between lead frame in the present invention, luminescence chip and lamp bead；
Fig. 2 is octagonal foam bottom surface and triangle polarity block structural relation schematic diagram in the present invention；
Fig. 3 is the polarity block structural schematic diagram for containing single straight flange gap in the present invention；
Fig. 4 is in the present invention containing there are three the polarity block structural schematic diagrams of straight flange gap.
Specific embodiment
Detailed description of the preferred embodiments with reference to the accompanying drawing.
Embodiment 1:
A kind of light emitting diode, as shown in Figure 1, 2, included lead frame 1, luminescence chip 2 and lamp bead 3, the lamp bead 3 is by steeping
Body 31 and polarity block 32 form, and the luminescence chip is put in the top of lead frame 1, the luminescence chip 2 and lead frame 1 admittedly
Top be packaged in foam 31, the polarity block 32 is the convex block for the setting being set on 31 bottom outside wall of foam.
When designing the orientation where convex block, under the polar orientation of lead frame and the relationship of the position of convex block are determined
Convex block is located at the top of foam when coming, such as overlooking diode, and the convex block left side is the anode of diode, the right is the negative of diode
The pole anode that perhaps left side is the cathode of diode, the right is diode is again or convex block is located at the anode of diode or bears
The side at the place of pole, then observe and directly touch convex block where position after, can be directly according to the positional relationship of design, quickly
Differentiate the polarity of diode.
Such as 31 bottom surface of foam is octagon, polarity block 32 is the octagonal triangle for locating setting on one side, and design is bowed
In the case where the top for being located at foam depending on convex block when diode, the left side of triangle is the anode of diode, and the right is diode
Cathode, such diode, when in use can rapid identification polarity, do not need to identify that polarity and orientation transport this twice work in advance
Sequence greatly improves production efficiency, and error rate is extremely low, prevents because of polar orientation mistake, when causing product test damage or
Damage when person client uses, improves yields and the quality for being greatly improved product.
Embodiment 2:
On the basis of embodiment 1, as shown in figure 3, the shape of polarity block 32 is further designed, foam will be set to
A circle annulus on 31 bottom outside walls cuts out a straight flange gap 33, which is polarity block.
The presence of straight flange gap 33 first is that can rapid identification polarity block direction, second is that when diode is placed on the plane,
Straight flange gap 33 is bonded with plane, and diode is not susceptible to the case where rolling, this straight flange gap 33 can be one, be also possible to
It is multiple.
Embodiment 3:
On the basis of the above embodiments, as shown in figure 4, carrying out regular design to polarity block 32, first is that it is conducive to injection mould, two
It is to be matched with the detection machine of assembly line, considers for polarity block to be designed as thus as follows:
The polarity block 32 has three straight flange gap 33, and two adjacent straight flange gap 33 are mutual in three straight flange gap 33
Vertically, an at least straight flange gap is parallel with the plane where the lead frame 1 in three straight flange gap 33, described
31 bottom shape of foam is circle, and the rounded bottom surface of the straight flange gap 33 and foam 31 is mutually circumscribed.
The foam 31 and polarity block 32 are mold integrated injection molding, and the material of the foam 31 and polarity block 32 is
Bright epoxy resin.
Compared with prior art, the present invention can according to the predetermined design of the polar orientation in the direction and diode of polarity block,
The polar orientation of rapid identification light emitting diode not only can individually visually observe identification, can also hold where touching polarity block
Orientation carries out the polarity identification of diode, and in addition the setting of the straight flange gap of polarity block, prevents diode from rolling in the plane
The pole moved the diode direction entanglement for causing to be placed on the identified polar orientation on platform and need to re-recognize diode
Property rework aspect, do not need for diode plug-in unit to be transported through on foam, directly using diode of the present invention the case where yet
Under can quickly identify after carry out using, it is convenient and efficient, reduce process, improve production efficiency, in addition cooperation assembly line detection
Machine in use, polarity block straight flange gap and arc convex, can quickly be detected machine identification direction, and straight flange during transportation
Gap, which plays, prevents diode from rolling on the conveyor belt the case where sliding.
The basic principles, main features and advantages of the present invention have been shown and described above.The present invention is not by upper
The limitation of embodiment is stated, the above embodiments and description only illustrate the principle of the present invention, is not departing from the present invention
Various changes and improvements may be made to the invention under the premise of spirit and scope, these changes and improvements both fall within claimed
In the range of invention.The claimed scope of the invention is defined by appended claims and its equivalent.
Claims (7)
1. a kind of light emitting diode, it is characterised in that: included lead frame, luminescence chip and lamp bead, the lamp bead is by foam
It is formed with polarity block, the luminescence chip is put in the top of lead frame, the top envelope of the luminescence chip and lead frame admittedly
Loaded in foam, the polarity block is the convex block being set on foam bottom outside wall.
2. a kind of light emitting diode according to claim 1, it is characterised in that: the polarity block is to be set to foam bottom
A circle annulus on lateral wall cuts out the remainder after at least one straight flange gap.
3. a kind of light emitting diode according to claim 2, it is characterised in that: the polarity block has three straight flange gap,
Two adjacent straight flange gap are mutually perpendicular in three straight flange gap.
4. a kind of light emitting diode according to claim 3, it is characterised in that: at least one in three straight flange gap
Straight flange gap is parallel with the plane where the lead frame.
5. according to a kind of light emitting diode described in claim 2,3 or 4, it is characterised in that: the foam bottom shape is circle
The rounded bottom surface of shape, the straight flange gap and foam is mutually circumscribed.
6. a kind of light emitting diode according to claim 1, it is characterised in that: the foam and polarity block are integrated for mold
Injection molding.
7. a kind of light emitting diode according to claim 6, it is characterised in that: the material of the foam and polarity block is
Bright epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477364.3A CN109473400A (en) | 2018-12-05 | 2018-12-05 | A kind of light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477364.3A CN109473400A (en) | 2018-12-05 | 2018-12-05 | A kind of light emitting diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109473400A true CN109473400A (en) | 2019-03-15 |
Family
ID=65675602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811477364.3A Pending CN109473400A (en) | 2018-12-05 | 2018-12-05 | A kind of light emitting diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109473400A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200171509Y1 (en) * | 1999-08-27 | 2000-03-15 | 광전자주식회사 | Light emitting diode |
| CN2930029Y (en) * | 2006-05-17 | 2007-08-01 | 立信科技股份有限公司 | Laser lamp package structure improvement |
| CN201766095U (en) * | 2010-07-05 | 2011-03-16 | 康扬塑胶(东莞)有限公司 | LED spacer support |
| CN203967115U (en) * | 2014-06-04 | 2014-11-26 | 木林森股份有限公司 | A kind of Novel LED display screen lamp pearl of easy identification both positive and negative polarity |
| CN105023998A (en) * | 2015-07-07 | 2015-11-04 | 长治市华光半导体科技有限公司 | Direct-insertion-type LED lamp bead |
| CN209150081U (en) * | 2018-12-05 | 2019-07-23 | 安徽巨合电子科技有限公司 | A kind of light emitting diode |
-
2018
- 2018-12-05 CN CN201811477364.3A patent/CN109473400A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200171509Y1 (en) * | 1999-08-27 | 2000-03-15 | 광전자주식회사 | Light emitting diode |
| CN2930029Y (en) * | 2006-05-17 | 2007-08-01 | 立信科技股份有限公司 | Laser lamp package structure improvement |
| CN201766095U (en) * | 2010-07-05 | 2011-03-16 | 康扬塑胶(东莞)有限公司 | LED spacer support |
| CN203967115U (en) * | 2014-06-04 | 2014-11-26 | 木林森股份有限公司 | A kind of Novel LED display screen lamp pearl of easy identification both positive and negative polarity |
| CN105023998A (en) * | 2015-07-07 | 2015-11-04 | 长治市华光半导体科技有限公司 | Direct-insertion-type LED lamp bead |
| CN209150081U (en) * | 2018-12-05 | 2019-07-23 | 安徽巨合电子科技有限公司 | A kind of light emitting diode |
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| PB01 | Publication | ||
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