CN209880646U - Carrier, light source base, and light emitting device - Google Patents

Carrier, light source base, and light emitting device Download PDF

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Publication number
CN209880646U
CN209880646U CN201821805121.3U CN201821805121U CN209880646U CN 209880646 U CN209880646 U CN 209880646U CN 201821805121 U CN201821805121 U CN 201821805121U CN 209880646 U CN209880646 U CN 209880646U
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China
Prior art keywords
strip
light source
extending direction
connecting part
carrier
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CN201821805121.3U
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Chinese (zh)
Inventor
陈广明
吴琼渊
陈皇
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Jiangmen Zhongyang Photoelectric Technology Co Ltd
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Jiangmen Zhongyang Photoelectric Technology Co Ltd
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Abstract

The utility model provides a bearing piece, a base for a light source and a light-emitting device, wherein the bearing piece comprises a strip-shaped electric conductor which is provided with a plurality of bearing units distributed in a matrix form; the bearing unit includes: the first part is connected with the first connecting part, the part of the first part, which is not connected with the first connecting part, is provided with a first hole, and at least part of the part is suspended; one end of the first connecting part is connected with the edge of the strip-shaped conductor or the second connecting part; the second connecting portion extends along the extending direction; one end of the second part is far away from the first part and is connected with the third connecting part, and the other end of the second part is opposite to one end of the first part and is provided with a gap; the part of the second part, which is not connected with the third connecting part, is provided with a second hole, and at least part of the part is suspended; one end of the third connecting part is connected with the edge of the strip-shaped conductor or the second connecting part. The utility model has the advantages of simple structure, automation and the like.

Description

Carrier, light source base, and light emitting device
Technical Field
The present invention relates to a light emitting device, and more particularly, to a carrier, a base and a light emitting device.
Background
The LED chip is used as a novel light source with low power consumption and high brightness, and is widely applied to the field of illumination.
As a carrier for LED chips, there are several methods:
1. the LED display panel comprises a plate-type structure, wherein a plurality of LED chips are fixed on a transparent or opaque substrate, and the substrate is in a slender strip-shaped or rectangular structure;
2. the particle structure, the carrier adopt plastics including the structure of electrode, and the LED chip is fixed on two electrodes, and two electrodes are connected external power supply. The bearing parts with the LED chips of the particle structures are connected in series, so that a high-power lamp such as a projection lamp can be made.
For large-scale production, the current particle structure adopts a bracket, and the bracket has various defects, such as:
1. the manufacturing difficulty is high, so that the production efficiency and the yield are reduced;
2. poor reliability, unstable fixation between the plastic and the electrode, and looseness.
SUMMERY OF THE UTILITY MODEL
For solving the not enough among the above-mentioned prior art scheme, the utility model provides a production efficiency is high, the yields is good, the good reliability, with low costs hold carrier.
The utility model aims at realizing through the following technical scheme:
a bearing piece comprises a strip-shaped electric conductor, wherein the strip-shaped electric conductor is provided with a plurality of bearing units distributed in a matrix form; the bearing unit includes:
a first part, wherein one end of the first part, which is far away from the extending direction of the strip-shaped conductor, is connected with a first connecting part, the part of the first part, which is not connected with the first connecting part, is provided with a first hole, and at least part of the part is suspended;
a first connection portion having one end in a direction perpendicular to the extending direction connected to an edge of the strip-shaped conductor or a second connection portion;
a second connection portion extending along the extending direction;
a second portion, one end of which along the extending direction of the bearing piece is far away from the first portion and is connected with a third connecting portion, and one end of the second portion which is far away from the extending direction is opposite to one end of the first portion along the extending direction and is provided with a gap; the part of the second part, which is not connected with the third connecting part, is provided with a second hole, and at least part of the part is suspended; the first and second portions have a thickness greater than 0.8mm and a width in a direction perpendicular to the direction of extension greater than 3.9 mm;
a third connection portion having one end in a direction perpendicular to the extending direction connected to an edge of the strip-shaped conductor or the second connection portion;
in the direction perpendicular to the extending direction, in the adjacent bearing units, only the lower end of the third connecting part of the second part connecting the upper end is connected with the second connecting part, and only the upper end of the third connecting part of the second part connecting the lower end is connected with the second connecting part.
The utility model aims at providing a base for light source based on above-mentioned carrier that holds, this utility model purpose can realize through following technical scheme:
the light source mount according to the above-described carrier, comprising:
the insulating plastic is filled in the bearing unit, the first part and the second part are connected and isolated from each other through the insulating plastic, the first part and the second part are connected with the edge of the strip-shaped electric conductor and/or the second connecting part through the insulating plastic, and the first hole and the second hole are filled with the insulating plastic; the first part and the second part are exposed on the front side and the back side of the strip-shaped conductor;
in the bearing unit, the first part and the connecting part of the first connecting part are punched out, and the third connecting part is punched out; through holes formed by punching out only the connecting parts between the first parts and the first connecting parts, and through holes formed by punching out only the third connecting parts between the second parts and the first parts of the adjacent bearing units; the distance between the end of the first part far away from the second part and the end of the second part far away from the first part is more than 3.9 mm.
The utility model aims at providing a light-emitting device based on above-mentioned base still, this utility model purpose can realize through following technical scheme:
according to the light emitting device of the light source mount described above, the light emitting device includes:
the light source is provided with a first electrode which is electrically connected with the exposed first part, and a second electrode which is electrically connected with the second part;
a glue covering the light source, the first portion and the second portion.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. large-scale automatic production is realized;
utilizing a strip-shaped conductor, and obtaining a regular bearing piece through automatic stamping, wherein the regular bearing piece is provided with bearing units distributed in a matrix shape; then, forming a base for the light source wrapping the first part and the second part by injection molding; the third connecting part, the first part and the connecting part of the first connecting part are cut off by punching to form an independent base for the light source, and the automation of the whole process is realized by an automatic packaging process;
2. the processing difficulty is low;
the shared first connecting part, the shared third connecting part and the matrix type bearing unit reduce the complexity of the structure, correspondingly reduce the stamping difficulty and improve the manufacturing efficiency and the yield;
only the upper end (lower end) of part of the third connecting part is connected with the second connecting part, so that the difficulty of stamping after injection molding is reduced;
3. the reliability is good;
the design of the first hole and the second hole is that insulating plastic is filled in the first hole and the second hole in injection molding, so that the firmness of connection of the first part and the second part is improved, and the reliability is improved;
the design of the groove and the bulge is beneficial to the firm fit of the insulating plastic and the first part and the second part, and the looseness between the insulating plastic and the first part (the second part) is prevented;
4. the length, width and thickness parameters of the first part and the second part in the bearing unit are optimized, the light emitting surface is obviously improved on the basis of not increasing too much cost, so that the light emitting brightness is improved, the toughness is improved, larger external force can be borne, and the LED lamp can be widely applied to an FPC (flexible printed circuit) lamp strip.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only intended to illustrate the technical solution of the present invention and are not intended to limit the scope of the present invention. In the figure:
FIG. 1 is a schematic view of a carrier according to an embodiment of the present invention;
figure 2 is a cross-sectional view of a first portion of an embodiment of the invention;
fig. 3 is a schematic structural diagram of a base for a light source according to an embodiment of the present invention.
Detailed Description
Fig. 1-3 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. For the purpose of teaching the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations or substitutions from these embodiments that will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Accordingly, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
fig. 1 schematically shows a schematic structural diagram of a carrier according to embodiment 1 of the present invention, and as shown in fig. 1, the carrier includes:
the strip-shaped electric conductor is provided with a plurality of bearing units distributed in a matrix form; the bearing unit includes:
the first part is connected with a first connecting part at one end of the first part, which is far away from the extending direction of the strip-shaped conductor, the part of the first part, which is not connected with the first connecting part, is provided with a first hole, and at least part of the first part is suspended, if the part is connected with a second connecting part, the connected part is narrow, so that the first part is convenient to break; or all suspended;
a first connection portion having one end in a direction perpendicular to the extending direction connected to an edge of the strip-shaped conductor or a second connection portion;
a second connection portion extending along the extending direction;
a second portion, one end of which along the extending direction of the bearing piece is far away from the first portion and is connected with a third connecting portion, and one end of the second portion which is far away from the extending direction is opposite to one end of the first portion along the extending direction and is provided with a gap; the part of the second part, which is not connected with the third connecting part, is provided with a second hole, and at least part of the part is suspended; the first and second portions have a thickness of more than 0.8mm, such as 0.80mm, 0.85mm, 0.94mm, 1.00mm, and a width in a direction perpendicular to the direction of extension of more than 3.9mm, such as 3.90mm, 3.95mm, 4.04mm, 4.10mm, etc.;
a third connection portion having one end in a direction perpendicular to the extending direction connected to an edge of the strip-shaped conductor or the second connection portion;
in the direction perpendicular to the extending direction, in the adjacent bearing units, only the lower end of the third connecting part of the second part connecting the upper end is connected with the second connecting part, and only the upper end of the third connecting part of the second part connecting the lower end is connected with the second connecting part.
In order to reduce the difficulty of detaching the subsequent light-emitting device from the strip conductor, preferably, a portion of the first portion not connected to the first connection portion is entirely suspended, or a portion of the second portion not connected to the third connection portion is entirely suspended.
In order to improve the fixation efficiency of the light source, it is preferred that the length of the second portion is greater than or equal to the first portion along the extension direction, i.e. the area of the second portion is greater than or equal to the area of the first portion.
In order to improve the supporting force of the strip-shaped electric conductor to the bearing unit and reduce the difficulty of stamping before and after injection molding, preferably, the width of the first connecting part is greater than that of the third connecting part along the extending direction.
In order to realize large-scale automatic production and improve production efficiency and yield, preferably, the first connecting part and the third connecting part of the adjacent bearing units are respectively shared along the extending direction;
along the direction perpendicular to the extending direction, the adjacent bearing units share the second connecting part.
The connection part is shared by the following modes: and a first bearing unit, a second bearing unit and a third bearing unit are sequentially arranged along the extending direction, a second part of the first bearing unit and a first part of the second bearing unit share a connecting part, and a second part of the second bearing unit and a first part of the third bearing unit share a connecting part.
In order to improve the efficiency of the punching, it is preferable that a third connecting portion is provided between adjacent first connecting portions along the extending direction.
In order to reduce the amount of the electric conductor used for the base for the light source, it is preferable that the width of the portion having the hole of the first portion and/or the second portion is smaller than the width of the other portion in the direction perpendicular to the extending direction.
In order to improve the reliability of the connection of the first part and the second part by the insulating plastic, it is preferred that the second hole is closer to an end of the second part in the extension direction than to an end of the second part facing away from the extension direction.
In order to improve the supporting strength of the first connecting portion to the bearing unit, preferably, the upper end and the lower end of the first connecting portion in the bearing unit are respectively connected with the second connecting portion along a direction perpendicular to the extending direction.
Fig. 2 schematically shows a cross-sectional view of the first part of an embodiment of the invention along a direction perpendicular to said direction of extension, i.e. a schematic structural view of the grooves and protrusions, as shown in fig. 2;
in order to improve the robustness of the connection of the insulating plastic to the first and second parts, i.e. to improve the reliability of the connection of the first and second parts, it is preferred that the front side of the first part 11 and/or the second part has a recess 16 adjacent to the edge, which recess is interrupted by the first and/or the second hole in a direction perpendicular to the direction of extension.
In order to further improve the reliability of the connection of the first and second parts, it is preferred that the edge of the front side of the overhanging part of the first and/or second part 11 has an outwardly extending protrusion 18, and only the side of the first and/or second part opposite to the edge of the second connection 21 and/or the strip conductor has a protrusion 18 facing away from the reverse side.
Fig. 3 schematically shows a simplified structure of a base for a light source according to an embodiment of the present invention, and as shown in fig. 3, the base for a light source includes:
the insulating plastic is filled in the bearing unit in the bearing piece, and the first part and the second part are connected and isolated from each other through the insulating plastic; the first part and the second part are exposed on the front side and the back side of the strip-shaped conductor;
in the bearing unit, the first part and the connecting part of the first connecting part are punched out, and the third connecting part is punched out; a through hole formed by punching out only the connecting part between the first part and the first connecting part, a through hole formed by punching out only the third connecting part between the second part and the first part of the adjacent bearing unit, and the first part and the second part are only connected with the edge of the strip-shaped conductor and/or the second connecting part through insulating plastics; in each carrying unit, the distance from the end of the first part far away from the second part to the end of the second part far away from the first part is more than 3.9mm, such as 3.90mm 3.91mm, 3.96mm, 4.05mm, 4.10mm and the like.
In order to fix and protect the light source, preferably, on the opposite side of the ribbon-shaped conductor, the insulating plastic forms a groove, and the first part and the second part are positioned at the bottom of the groove; the section of the groove parallel to the strip-shaped conductor is circular, rectangular, oval or polygonal.
The utility model discloses light emitting device, light emitting device includes:
a light source, such as an LED chip, a first electrode of which is electrically connected with a first part exposed in the bearing unit of the base for the light source, and a second electrode of which is electrically connected with a second part;
a glue covering the light source, the first portion and the second portion.
In order to protect the light source from impact and improve the light extraction effect, the glue is preferably filled in a groove formed by insulating plastic, and the first part and the second part are positioned at the bottom of the groove.
The glue is mixed with a phosphor in order to form light of various colors, such as white, yellow and red.
Example 2:
according to the utility model discloses hold carrier, base and illuminator for light source's application example of embodiment 1.
In the bearing piece of the application example, the strip-shaped conductor is provided with bearing units distributed in a matrix form; a third connecting part is arranged between adjacent first connecting parts along the extension direction of the strip-shaped conductor, and the width of the first connecting part is larger than that of the third connecting part; the second connecting portion extends along the extending direction; in the extending direction, the first connecting portion and the third connecting portion are shared, for example, the first bearing unit, the second bearing unit and the third bearing unit are distributed in sequence, the second portion of the first bearing unit and the first portion of the second bearing unit share the first connecting portion, the second portion of the second bearing unit and the first portion of the third bearing unit share the third connecting portion, and so on; in the direction perpendicular to the extending direction, the adjacent bearing units share the second connecting part, for example, only the lower end of the third connecting part of the bearing unit at the upper end is connected with the second connecting part, only the upper end of the third connecting part of the bearing unit at the lower end is connected with the second connecting part, and the adjacent first connecting parts are connected through the second connecting part, namely, both ends of the first connecting part are fixed on the second connecting part except the edge which is adjacent to the strip-shaped electric conductor; the length of the first portion is smaller than the length of the second portion along the extension direction, i.e. the area of the first portion is smaller than the second portion; the thickness of the first and second portions is 0.85mm and the width in a direction perpendicular to the direction of extension is 4.02 mm;
the front faces of the first and second portions have grooves adjacent to the edges, a plurality of grooves, such as 3 grooves along the extending direction of the strip-like conductor, are provided at the edges of two side portions opposite to the edges of the second connection portion and/or the strip-like conductor, and a plurality of grooves, such as three grooves, are provided at the front faces of the first and second portions in a direction perpendicular to the extending direction, two grooves being interrupted by the first hole (second hole), one groove being provided at the first portion (second portion) between the first hole and the second hole; the grooves in the two directions are crossed; the edges of the front faces of the overhanging portions of the first and second portions have outwardly extending projections, i.e. only the sides of the first and second portions opposite the edges of the second connection and/or the ribbon conductor have projections facing away from the opposite face, as shown in fig. 2.
For the bearing units distributed in a matrix form, a first part of each bearing unit is provided with a first (through) hole, a second part of each bearing unit is provided with a second (through) hole, and one end of each bearing unit, which is opposite to the extending direction, of the second part is closer to one end of each bearing unit, which is along the extending direction, of the second part; and in a direction perpendicular to the direction of extension, the width of the portion of the first portion and the second portion having the hole is smaller than the width of the other portion; the part of the first part, which is not connected with the first connecting part, is completely suspended, namely is not connected with the second connecting part, the edge of the strip-shaped conductor and the second part; the part of the second part, which is not connected with the third connecting part, is completely suspended, namely is not connected with the second connecting part, the edge of the strip-shaped conductor and the first part.
In the base for the light source of the application example, in each carrying unit, the first part and the second part are connected through the insulating plastic, that is, the insulating plastic is filled in the carrying unit, including the first (through) hole and the second (through) hole; the first connecting part and the connecting part of the first part are punched out to form a through hole, the third connecting part is punched out to form a through hole, and the punched out part has no groove; the first part and the second part are connected with the second connecting part only by means of insulating plastics and are kept on the strip-shaped conductor without falling; the front side of the strip-shaped conductor is exposed to the first part and the second part, and the reverse side of the strip-shaped conductor is provided with an inverted quadrangular frustum pyramid-shaped groove formed by insulating plastic, four side walls of the groove are used as reflecting surfaces of emergent light of the LED chip, and the first part and the second part are positioned on the bottom wall of the groove and are exposed; the distance from the end of the first part remote from the second part to the end of the second part remote from the first part is 4.02 mm.
In the light emitting device of this application example, in the light source mount formed on the strip conductor, the first electrode of the LED chip is electrically connected to the first portion in the groove, and the second electrode is electrically connected to the second portion in the groove; the glue is filled in the groove and covers the LED chip, the first part and the second part.
The above embodiments are merely exemplary in that the extending direction of the ribbon-shaped conductor extends along the length direction of the ribbon-shaped conductor, but may also extend along the width direction of the ribbon-shaped conductor.

Claims (10)

1. A carrier, comprising: the bearing piece comprises a strip-shaped electric conductor, and the strip-shaped electric conductor is provided with a plurality of bearing units distributed in a matrix form; the bearing unit includes:
a first part, wherein one end of the first part, which is far away from the extending direction of the strip-shaped conductor, is connected with a first connecting part, the part of the first part, which is not connected with the first connecting part, is provided with a first hole, and at least part of the part is suspended;
a first connection portion having one end in a direction perpendicular to the extending direction connected to an edge of the strip-shaped conductor or a second connection portion;
a second connection portion extending along the extending direction;
a second portion, one end of which along the extending direction of the bearing piece is far away from the first portion and is connected with a third connecting portion, and one end of the second portion which is far away from the extending direction is opposite to one end of the first portion along the extending direction and is provided with a gap; the part of the second part, which is not connected with the third connecting part, is provided with a second hole, and at least part of the part is suspended; the first and second portions have a thickness greater than 0.8mm and a width in a direction perpendicular to the direction of extension greater than 3.9 mm;
a third connection portion having one end in a direction perpendicular to the extending direction connected to an edge of the strip-shaped conductor or the second connection portion;
in the direction perpendicular to the extending direction, in the adjacent bearing units, only the lower end of the third connecting part of the second part connecting the upper end is connected with the second connecting part, and only the upper end of the third connecting part of the second part connecting the lower end is connected with the second connecting part.
2. The carrier as recited in claim 1, wherein: the thickness is less than 1mm and the width is less than 4.1 mm.
3. The carrier as recited in claim 1, wherein: the extending direction is along the length or width direction of the strip conductor.
4. The carrier as recited in claim 1, wherein: the front face of the first and/or second part has a recess.
5. The carrier as recited in claim 4, wherein: in a direction perpendicular to the direction of extension, the recess is interrupted by the first hole and/or the second hole.
6. The carrier as recited in claim 4, wherein: the first and second portions between the first and second holes have grooves extending in a direction perpendicular to the extending direction, respectively.
7. The carrier as recited in claim 1, wherein: the edge of the front face of the overhanging portion of the first and/or second portion has an outwardly extending projection.
8. The light source mount of the carrier of any of claims 1-7, the light source mount comprising an insulating plastic; the method is characterized in that: the base for a light source further includes:
the insulating plastic is filled in the bearing unit, the first part and the second part are connected and isolated from each other through the insulating plastic, the first part and the second part are connected with the edge of the strip-shaped electric conductor and/or the second connecting part through the insulating plastic, and the first hole and the second hole are filled with the insulating plastic; the first part and the second part are exposed on the front side and the back side of the strip-shaped conductor;
in the bearing unit, the first part and the connecting part of the first connecting part are punched out, and the third connecting part is punched out; through holes formed by punching out only the connecting parts between the first parts and the first connecting parts, and through holes formed by punching out only the third connecting parts between the second parts and the first parts of the adjacent bearing units; the distance between the end of the first part far away from the second part and the end of the second part far away from the first part is more than 3.9 mm.
9. The base for a light source according to claim 8, wherein: the distance is less than 4.1 mm.
10. A light-emitting device of a mount for a light source according to any one of claims 8 to 9, the light-emitting device comprising a light source; the method is characterized in that: the light emitting device further includes:
the first electrode of the light source is electrically connected with the exposed first part, and the second electrode of the light source is electrically connected with the second part;
a glue covering the light source, the first portion and the second portion.
CN201821805121.3U 2018-11-03 2018-11-03 Carrier, light source base, and light emitting device Active CN209880646U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821805121.3U CN209880646U (en) 2018-11-03 2018-11-03 Carrier, light source base, and light emitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821805121.3U CN209880646U (en) 2018-11-03 2018-11-03 Carrier, light source base, and light emitting device

Publications (1)

Publication Number Publication Date
CN209880646U true CN209880646U (en) 2019-12-31

Family

ID=68946183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821805121.3U Active CN209880646U (en) 2018-11-03 2018-11-03 Carrier, light source base, and light emitting device

Country Status (1)

Country Link
CN (1) CN209880646U (en)

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