CN208400419U - Improve the lamp bar and transparent screen of lamp bead stability - Google Patents

Improve the lamp bar and transparent screen of lamp bead stability Download PDF

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Publication number
CN208400419U
CN208400419U CN201820926135.4U CN201820926135U CN208400419U CN 208400419 U CN208400419 U CN 208400419U CN 201820926135 U CN201820926135 U CN 201820926135U CN 208400419 U CN208400419 U CN 208400419U
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China
Prior art keywords
circuit board
lamp
lamp bead
lamp bar
circuit
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Application number
CN201820926135.4U
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Chinese (zh)
Inventor
尹志勇
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Shenzhen Face Photoelectric Technology Co Ltd
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Shenzhen Face Photoelectric Technology Co Ltd
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Abstract

The utility model provides a kind of lamp bar and transparent screen for improving lamp bead stability, and lamp bar includes patch lamp bead, first circuit board and second circuit board, and a lamp bead is electrically connected on one piece of first circuit board;Muti-piece second circuit board is arranged in parallel, the plate face of first circuit board is electrically connected on the side of each second circuit board, and the extending direction of second circuit board is equipped with muti-piece first circuit board, the driving circuit of lamp bead is equipped on first circuit board and second circuit board, transparent screen includes lamp bar.Lamp bead is comprehensively supported using first circuit board, and first circuit board and lamp bead correspond, mounting stability of the lamp bead on first circuit board is more preferable, two pieces of second circuit boards are shunted, higher brightness can be obtained, the arrangement space of the route of circuit board of the lamp bar under equal volume is bigger, can significantly improve the luminous refresh rate of lamp bar, is that a kind of durability is good, the service life is long, volume is more compact, the better lamp bar of the characteristics of luminescence and transparent screen.

Description

Improve the lamp bar and transparent screen of lamp bead stability
Technical field
The utility model relates to LED fields, in particular to the lamp bar and transparent screen for improving lamp bead stability.
Background technique
LED display technology is quickly grown in recent years, and LED display has been widely used for many occasions, especially political affairs The occasions such as mansion department of organ, live broadcast or large-scale performance, with society development and cater to the application demands of important events, Requirement of the people to LED display is also higher and higher.
Now the type of LED display tends to diversification, and LED transparent screen is extremely dazzled magnificent with it, and supports the aobvious of 3D effect Show characteristic, the environmental protection characteristic of frivolous, portable architectural characteristic and low energy consumption makes it obtain more and more extensive answer With more and more manufacturers are dedicated to researching and developing transparence display product, and the transparency and stability of LED display are primary studies The direction of development.
LED light bar is the chief component of LED transparent screen, and during installation, need circuit board is the lamp bead of LED light bar It is powered and shines, and due to the limitation of circuit design, the wider width of circuit board causes the wider width of entire LED light bar, The structure of LED light bar is more thick and heavy.The biggish LED light bar of width is when being mounted on LED transparent screen, the light-emitting surface of luminous lamp strip When being equidistant, the biggish LED light bar of width reduces the Penetration ration of LED transparent screen, affects the workability of LED transparent screen Energy.
Lamp bead is mounted on the side of circuit board by a part of LED light bar, to obtain the lamp bar of narrower width, and then will Lamp bar, which is applied, can obtain higher transparency when on LED transparent screen.But since board side faces the support of lamp bead Face is smaller, and the mounting stability of lamp bead is poor, and very big influence is caused to the durability of lamp bar, service life.
Utility model content
In view of this, the purpose of this utility model is to overcome deficiency in the prior art, provide a kind of durability it is good, The lamp bar and transparent screen for the raising lamp bead stability that service life is long, volume is more compact, the characteristics of luminescence is better.
The utility model provides the following technical solutions:
The lamp bar of raising lamp bead stability, including patch lamp bead, first circuit board and second circuit board, one piece described first The lamp bead is electrically connected on circuit board;
The plate face of the first circuit board is electrically connected on the side of two pieces of second circuit boards, and second electricity The extending direction of road plate is equipped with first circuit board described in muti-piece;
The driving circuit of the lamp bead is equipped on the first circuit board and the second circuit board.
In the exemplary embodiment, the first circuit board is vertically arranged with the second circuit board.
In the exemplary embodiment, two pieces of second circuit boards are arranged in parallel.
In the exemplary embodiment, the first circuit board and two pieces of circuit boards are connected in Contraband shape.
In the exemplary embodiment, the first circuit board and the lamp bead are forming a luminescence unit, multiple described Luminescence unit is formed on a motherboard;
The motherboard is equipped with the stamp hole uniformly to distribute as net shape, corresponding first circuit of each grid Plate mounts a lamp bead in each grid.
In the exemplary embodiment, the first circuit board is equipped with side by side in the bar shaped extending direction of the second circuit board Setting.
In the exemplary embodiment, it is connected between the lamp bead and the first circuit board by adhesive sealing.
In the exemplary embodiment, the lamp bar further includes light trough, and the first circuit board and the second circuit board are embedding In the light trough, the lamp bead is exposed from the light trough, the width of the width of the light trough and the first circuit board Match.
In the exemplary embodiment, pass through gluing between the first circuit board, the second circuit board and the light trough It is tightly connected.
As the further extension to above-mentioned technical solution: the utility model also provides a kind of transparent screen, including frame And above-mentioned lamp bar, a plurality of lamp bar are set on the frame.
The embodiments of the present invention at least have the following beneficial effects:
1. comprehensively being supported using first circuit board to lamp bead, lamp bead and first circuit board are corresponded, first Mounting stability on circuit board is more preferable, and the durability of lamp bar is more preferable, longer life expectancy.
2. the plate face of the side of second circuit board and first circuit board is connected, on the one hand a monolith circuit board is divided, The width of lamp bar is smaller, on the other hand, in the case where driving voltage is equal, is shunted using two pieces of second circuit boards, energy Higher brightness is enough obtained, brightness improves 20% or more on the basis of original single circuit plate.
3. the structure of first circuit board and two pieces of second circuit boards makes the volume of the circuit board with same route smaller, Or the arrangement space of the route of the circuit board under equal volume is bigger, can significantly improve the luminous refresh rate of lamp bar, it can The refresh rate that lamp bar shines is increased to 4000 or more.
4. being arranged first circuit board on one piece of motherboard, divided by stamp hole, and mounts the knot of lamp bead in template Structure, so that the assembly of lamp bar is more convenient, the connective stability of lamp bead and first circuit board is more preferable.
5. being equipped with the transparent screen of this lamp bar, Penetration ration is higher, and the light transmittance of more existing transparent screen is higher by 15% or more.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly, And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the axonometric drawing of the lamp bar provided by the embodiment of the utility model for improving lamp bead stability;
Fig. 2 shows the top views of the lamp bar provided by the embodiment of the utility model for improving lamp bead stability;
Fig. 3 shows the main view of the lamp bar provided by the embodiment of the utility model for improving lamp bead stability;
Fig. 4 shows the structural schematic diagram of motherboard provided by the embodiment of the utility model;
Fig. 5 shows the schematic diagram of the section structure of the lamp bar provided by the embodiment of the utility model with light trough;
Fig. 6 shows the structural schematic diagram of transparent screen provided by the embodiment of the utility model.
Icon: 1- transparent screen;10- lamp bar;100- lamp bead;101- first circuit board;102- second circuit board;103- lamp Slot;1031- radiating fin;20- frame.
Specific embodiment
Hereinafter, the various embodiments of the utility model will be described more fully in conjunction with attached drawing.The utility model can have There are various embodiments, and can adjust and change wherein.Therefore, specific embodiment reference being shown in the accompanying drawings is more Describe the utility model in detail.It should be understood, however, that: it is practical new herein there is no the various embodiments of the utility model are limited to The intention of the specific embodiment of type, but the utility model should be interpreted as covering the various embodiments for falling into the utility model All adjustment, equivalent and/or optinal plan in spirit and scope.Description taken together with the accompanying drawings, same reference numerals Same element.
It hereinafter, can the term " includes " used in the various embodiments of the utility model or " may include " instruction institute Function, operation or the presence of element of utility model, and the increase of one or more functions, operation or element is not limited. In addition, term " includes ", " having " and its cognate are meant only to indicate as used in the various embodiments of the utility model Special characteristic, number, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude one first Or more other feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more A feature, number, step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the utility model, states "or" or " at least one of A or/and B " includes while arranging Any combination of text out or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, can It including B or may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the utility model can be modified various Various constituent element in embodiment, but respective sets can not be limited into element.For example, the above statement is not intended to limit the element Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, first uses Family device and second user device indicate different user device, although the two is all user apparatus.For example, practical not departing from In the case where the range of novel various embodiments, first element is referred to alternatively as second element, and similarly, second element can also quilt Referred to as first element.
It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element And second third constituent element is not present between constituent element.
The term used in the various embodiments of the utility model is used only for the purpose of describing specific embodiments and simultaneously It is not intended to the various embodiments of limitation the utility model.As used herein, singular is intended to also include plural form, unless Context is expressly otherwise indicated.Unless otherwise defined, otherwise all terms used herein (including technical term and science Term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the utility model Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this It is clearly defined in the various embodiments of utility model.
Embodiment
Also referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of lamp bars 10 for improving 100 stability of lamp bead, it includes patch Piece lamp bead 100, first circuit board 101 and second circuit board 102.A lamp bead is electrically connected on one piece of first circuit board 101 100, the plate face of first circuit board 101 is electrically connected on the side of two pieces of second circuit boards 102, and second circuit board 102 Extending direction is equipped with muti-piece first circuit board 101.The drive of lamp bead 100 is equipped on first circuit board 101 and second circuit board 102 Dynamic circuit.
Above-mentioned, on first circuit board 101 and second circuit board 102 driving circuit, for driving shining for lamp bead 100, The light on and off of lamp bead 100, the variation of light and shade, light quality, light intensity are controlled, are powered for lamp bead 100.By the power supply circuit plate of lamp bead 100 Two pieces of second circuit boards 102 are split as, one piece of first circuit board 101 drives a lamp bead 100 to shine.
In the present embodiment, driving circuit is mainly disposed on second circuit board 102, and first circuit board 101 is used as second The connection circuit that circuit board 102 and lamp bead 100 are electrically connected.First circuit board 101 is connected to the side of two second circuit boards 102 On face.
First circuit board 101 is that lamp bead 100 provides stable, smooth mounting surface, the mounted board as lamp bead 100. Two pieces of second circuit boards 102 are side functions circuit board, and the side of second circuit board 102 is equipped with first circuit board 101 electrically The solder joint of point connection.
The one side of first circuit board 101 is equipped with lamp bead 100, and another side is equipped with connection welding, the side of second circuit board 102 It is equipped with and passes through respectively with solder joint corresponding to the solder joint on first circuit board 101, first circuit board 101 and second circuit board 102 From solder joint be electrically connected.
Lamp bar 10 is the bar shaped illuminator with multiple lamp beads 100, and first circuit board 101 and a lamp bead 100 form one A luminescence unit, second circuit board 102 is in long strip, and multiple first circuit boards 101 are pasted along the extending direction of second circuit board 102 Dress.
The side of second circuit board 102 is vertical to be connected in the plate face of first circuit board 101, so that second circuit The side of plate 102 can with the plate face of first circuit board 101 is good is bonded, obtain the circuit of stable structure, compact lamp body Hardened structure.
Two pieces of second circuit boards 102 are arranged in parallel, so that the solder joint and first circuit board of two pieces of second circuit boards 102 Uniform and stable electric connection is capable of forming between 101 attachment solder joint, second circuit board 102 can be to first circuit board 101 Form stable support.
First circuit board 101 is distributed side by side on second circuit board 102, compact distribution, muti-piece between first circuit board 101 First circuit board 101 constitutes straight plate face on second circuit board 102, while enabling to lamp bar 10 in unit length With more compact lamp bead 100, the closeness that shines is higher, and the resolution ratio for the display screen being made of lamp bar 10 is higher.
As shown in figure 3, first circuit board 101 is connected with two pieces of second circuit boards 102 in Contraband shape, two pieces of second circuit boards 102 connect into Contraband shape groove body with muti-piece first circuit board 101.
Second circuit board 102 is vertically connected on the two sides of 101 bottom surface of first circuit board, first circuit board 101 and two piece Section after the connection of two circuit boards 102 is in Contraband shape.Two second circuit boards 102 are symmetrical arranged on first circuit board 101, lamp bar 10 circuit plate framework has preferable mechanical structure.The plate face of second circuit board 102 can be with first circuit board 101 simultaneously Side is aligned, and the alignment of attachment solder joint and the solder joint on second circuit board 102 on first circuit board 101 is more preferable, and solder joint Between connection transitionality it is more preferable so that the electrical connection stability of the circuit board of lamp bar 10 is more preferable.Lamp bead 100 by 101 comprehensive support of first circuit board can form more stable electric connection with first circuit board 101.
It is appreciated that the connection of π shape or the connection of F shape can also be formed between first circuit board 101 and second circuit board 102, In other examples, the plate face of second circuit board 102 can not be equal with the side of first circuit board 101, can be to It inwardly receives the side of one circuit board 101.
In the present embodiment, lamp bead 100 and the width of first circuit board 101 match.So that first circuit board 101 exists While comprehensive support capable of being formed to lamp bead 100, the first circuit board 101 that width is most narrow can be selected.
It is found that the light-emitting surface of lamp bar 10 is that first circuit board 101 is pasted with the one side of lamp bead 100, the width of lamp bar 10 with The width of first circuit board 101 matches, this lamp bar 10 has accomplished that width is more while forming stable installation to lamp bead 100 It is narrow.
It is appreciated that being equipped with light emitting diode in lamp bead 100, light emitting diode is connected to first circuit board by scolding tin On 101, the electric connection of first circuit board 101 and second circuit board 102, so that first circuit board 101 and second circuit board 102 Common acts on light emitting diode, and control lamp bead 100 shines.
It is connected between lamp bead 100 and first circuit board 101 by adhesive sealing, lamp bead 100 is including light emitting diode and thoroughly Mirror, light emitting diode are welded on first circuit board 101 by scolding tin, and lens are connected to first circuit board by sealed silicone On 101, so that lamp bead 100 is fixed on first circuit board 101.On the one hand sealed silicone plays the work of connection lamp bead 100 With, on the one hand play the role of seal lamp bead 100, prevent to the impurity such as liquid, dust enter.
Lamp bead 100 is LED lamp bead 100, can be SMD lamp pearl 100, as SMD, SMD are Surface Mounted The abbreviation of Devices, means surface mount device, it is one in SMT (Surface Mount Technology) component Kind.
DIP encapsulation technology can also be used between lamp bead 100 and first circuit board 101, DIP encapsulation is dual inline- Dual-inline package technology is also in the abbreviation of pin package.It is double enter line encapsulate so that DRAM a kind of component encapsulation shape Formula refers to that the IC chip encapsulated using dual-in-line form, most middle small scale integrated circuits are all made of this envelope Dress form.
As shown in figure 4, first circuit board 101 and lamp bead 100 are forming a luminescence unit, Duo Gefa in the present embodiment Light unit is formed on a motherboard.Motherboard is equipped with the stamp hole uniformly to distribute as net shape, and each grid is one corresponding First circuit board 101 mounts a lamp bead 100 in each grid.
Motherboard marks first circuit board 101 as boundary by stamp hole, will be female by stamp hole after mounting lamp bead 100 Plate is partitioned into the first circuit board 101 for being pasted with lamp bead 100.When mounting lamp bead 100, weight-bearing surface is bigger, the attachment of lamp bead 100 More convenient, attachment effect is more preferable.The first circuit board 101 mounted is directly connected on second circuit board 102, is installed more square Just, assembly effect is more preferable.
As shown in figure 5, lamp bar 10 further includes light trough 103, first circuit board 101 and second circuit board 102 in the present embodiment It is embedded in light trough 103, lamp bead 100 is exposed from light trough 103.Light trough 103 is the groove body of bar shaped, and light trough 103 is lamp bar 10 Carrier, for installing first circuit board 101, second circuit board 102 and lamp bead 100.First circuit board 101 and second circuit board 102 are set in light trough 103, and lamp bead 100 is exposed from the opening face of light trough 103, and the opening face of light trough 103 is the hair of lamp bar 10 Smooth surface.
The length of second circuit board 102 and the equal length of light trough 103 or the length for being slightly less than light trough 103, are distributed side by side The length of multiple first circuit boards 101 and the length of second circuit board 102 match.
First circuit board 101 is parallel to the opening face installation of light trough 103, so that the luminous of lamp bead 100 can be from light trough Direct projection in 103 and go out, the characteristics of luminescence is more preferable.The width of light trough 103 and the width of first circuit board 101 match.Due to first Circuit board 101 and second circuit board 102 are equal to the width of first circuit board 101, the width etc. of light trough 103 in spliced width In the width of first circuit board 101.The thickness of the first circuit board 101 and second circuit board 102 that vertically splice is equal to the The sum of thickness and the width of second circuit board 102 of one circuit board 101.The groove depth of light trough 103 is greater than first circuit board 101 and the The splicing thickness of two circuit boards 102.
It is connected between first circuit board 101 and second circuit board 102 and light trough 103 by adhesive sealing, i.e. the first circuit Plate 101 and second circuit board 102 are installed in light trough 103 after connecting, by into light trough 103 injecting glue by first circuit board 101 and position of the second circuit board 102 in light trough 103 fix.
It is connected between first circuit board 101 and second circuit board 102 and light trough 103 by adhesive sealing, i.e. the first circuit Plate 101 and second circuit board 102 are installed in light trough 103 after connecting, by into light trough 103 injecting glue by first circuit board 101 and position of the second circuit board 102 in light trough 103 fix.
The water proof and dust proof grade of lamp bar 10 by encapsulation can reach IP68, that is, highest waterproofing grade.Lamp bar 10 It entirely prevents foreign object and dust to enter, is immersed under specified hydraulic pressure for a long time, it can be ensured that do not damaged because of immersion.
The material of light trough 103 is aluminium alloy extrusions, and the aluminium alloy of the different trades mark has different thermal coefficients, and aluminium alloy is big The thermal coefficient of cause is 200W/ (mK), i.e., it is with preferable thermal conductivity, so that the thermal diffusivity of LED light bar 10 is more preferable, is used Longer life expectancy.The possible thickness for reducing light trough 103 is answered while proof strength, so that light trough 103 is within the unit time More heats are conducted, i.e., so that light trough 103 has preferably thermal diffusivity, and more frivolous architectural characteristic.
The upper opening of light trough 103 is embedded with first circuit board 101, second circuit board 102 and lamp bead 100, light trough 103 Bottom be equipped with radiating fin 1031, radiating fin 1031 increases the contact area of light trough 103 Yu air, quickening lamp bar 10 Heat dissipation enables lamp bar 10 to work at a temperature of more suitable.
As shown in fig. 6, the present embodiment also provides a kind of transparent screen 1, including frame and above-mentioned lamp bar 10, a plurality of lamp bar 10 are set on frame.The distribution of a plurality of parallel interval on frame of lamp bar 10, the width of lamp bar 10 is small, and each lamp bar 10 is connecting After on frame, the spacing between lamp bar 10 is expressed, so that the light transmittance of transparent screen 1 becomes larger, becomes high penetration rate Transparent screen 1.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this The protection scope of utility model.

Claims (9)

1. improving the lamp bar of lamp bead stability, which is characterized in that including patch lamp bead, first circuit board and second circuit board, one The lamp bead is electrically connected on first circuit board described in block;
The plate face of the first circuit board is electrically connected on the side of two pieces of second circuit boards, and the second circuit board Extending direction be equipped with muti-piece described in first circuit board;
The driving circuit of the lamp bead is equipped on the first circuit board and the second circuit board;
The first circuit board and the lamp bead are forming a luminescence unit, multiple luminescence units shape on a motherboard At;
The motherboard is equipped with the stamp hole uniformly to distribute as net shape, and each grid corresponds to a first circuit board, A lamp bead is mounted in each grid.
2. lamp bar according to claim 1, which is characterized in that the first circuit board is vertical with the second circuit board to be set It sets.
3. lamp bar according to claim 2, which is characterized in that two pieces of second circuit boards are arranged in parallel.
4. lamp bar according to claim 3, which is characterized in that the first circuit board and two pieces of circuit boards are in Contraband shape Connection.
5. lamp bar according to claim 1, which is characterized in that bar shaped of the first circuit board in the second circuit board Extending direction, which is equipped with, to be arranged side by side.
6. lamp bar according to claim 1, which is characterized in that pass through gluing between the lamp bead and the first circuit board It is tightly connected.
7. lamp bar according to claim 1, which is characterized in that the lamp bar further includes light trough, the first circuit board and The second circuit board is embedded in the light trough, and the lamp bead is exposed from the light trough, the width of the light trough with it is described The width of first circuit board matches.
8. lamp bar according to claim 7, which is characterized in that the first circuit board, the second circuit board with it is described It is connected between light trough by adhesive sealing.
9. transparent screen, which is characterized in that including frame and lamp bar of any of claims 1-8, a plurality of lamp Item is set on the frame.
CN201820926135.4U 2018-06-14 2018-06-14 Improve the lamp bar and transparent screen of lamp bead stability Active CN208400419U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820926135.4U CN208400419U (en) 2018-06-14 2018-06-14 Improve the lamp bar and transparent screen of lamp bead stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820926135.4U CN208400419U (en) 2018-06-14 2018-06-14 Improve the lamp bar and transparent screen of lamp bead stability

Publications (1)

Publication Number Publication Date
CN208400419U true CN208400419U (en) 2019-01-18

Family

ID=65132352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820926135.4U Active CN208400419U (en) 2018-06-14 2018-06-14 Improve the lamp bar and transparent screen of lamp bead stability

Country Status (1)

Country Link
CN (1) CN208400419U (en)

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