CN208400420U - 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
CN208400420U
CN208400420U CN201820929076.6U CN201820929076U CN208400420U CN 208400420 U CN208400420 U CN 208400420U CN 201820929076 U CN201820929076 U CN 201820929076U CN 208400420 U CN208400420 U CN 208400420U
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Prior art keywords
circuit board
lamp
lamp bar
lamp bead
circuit
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CN201820929076.6U
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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 lamp bead, first circuit board and two pieces of second circuit boards, and multiple lamp beads are set in the plate face of first circuit board;Two pieces of second circuit boards and first circuit board are electrically connected and have a certain degree, and first circuit board and second circuit board are equipped with the driving circuit of lamp bead, and transparent screen includes lamp bar.Lamp bead is comprehensively supported using first circuit board, the mounting stability of lamp bead on circuit boards 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, the luminous refresh rate that lamp bar can significantly be improved 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:
Improve the lamp bar of lamp bead stability, including lamp bead, first circuit board and two pieces of second circuit boards, multiple lamp beads In the plate face of the first circuit board;
Two pieces of second circuit boards are electrically connected and have a certain degree with the first circuit board, first circuit Plate and the second circuit board are equipped with the driving circuit of the lamp bead.
In the exemplary embodiment, two pieces of second circuit boards are vertical with the first circuit board connect.
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 second circuit boards are connected in Contraband shape.
In the exemplary embodiment, the first circuit board is equipped with lamp bead described in a row, the lamp bead in the longitudinal direction Match with the width of the first circuit board.
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.
In the exemplary embodiment, the width of the light trough and the width of 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 proposal: the utility model also provides transparent screen, including frame and on The lamp bar stated, 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, the mounting stability of lamp bead on circuit boards is more preferable, 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 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 side views of the lamp bar provided by the embodiment of the utility model for improving lamp bead stability;
Fig. 3 shows the schematic diagram of the section structure of the lamp bar provided by the embodiment of the utility model with light trough;
Fig. 4 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
As shown in Figure 1, it includes lamp bead 100, the present embodiment provides a kind of lamp bar 10 for improving 100 stability of lamp bead One circuit board 101 and two pieces of second circuit boards 102.Multiple lamp beads 100 are set in the plate face of first circuit board 101.First circuit Plate 101 and second circuit board 102 are electrically connected, and are in certain folder after first circuit board 101 and the connection of second circuit board 102 Angle.First circuit board 101 and second circuit board 102 are equipped with the driving circuit of lamp bead 100.
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 It is split as first circuit board 101 and two pieces of second circuit boards 102, and divides the bar shaped direction that direction is lamp bar 10.
In the present embodiment, the plate face of first circuit board 101 is connect with the side of second circuit board 102, first circuit board 101 Stable, smooth mounting surface is provided for lamp bead 100, the mounted board as lamp bead 100.Two pieces of second circuit boards 102 are side Face function circuit board, the side of second circuit board 102 are equipped with and the solder joint that electrically point connects of first circuit board 101.
First circuit board 101 is equipped with multiple attachment solder joints, is electrically connected with a lamp bead on each group of attachment solder joint 100, the solder joint on each attachment solder joint and second circuit board 102 on first circuit board 101 corresponds.
Specifically, lamp bar 10 is the bar shaped illuminator with multiple lamp beads 100, first circuit board 101 is in long strip, multiple Lamp bead 100 is linearly distributed on first circuit board 101 along the extending direction of first circuit board 101.Second circuit board 102 is same It is in long strip.
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, the bar shaped extending direction and first circuit board 101 of second circuit board 102 Bar shaped extending direction it is identical, first circuit board 101 is identical with the length of second circuit board 102 so that two piece second electricity Uniform and stable electric connection, the second electricity are capable of forming between the solder joint of road plate 102 and the attachment solder joint of first circuit board 101 Road plate 102 can form stable support to first circuit board 101.
As shown in Fig. 2, first circuit board 101 is connected with two pieces of second circuit boards 102 in Contraband shape, 101 He of first circuit board Second circuit board 102 connects into Contraband shape groove body.Second circuit board 102 is vertically connected on the two sides of first circuit board 101, the first electricity Section after road plate 101 and two pieces of second circuit boards 102 connect is in Contraband shape.Two second circuit boards 102 are in first circuit board 101 Upper to be symmetrical arranged, the circuit plate framework 20 of lamp bar 10 has preferable mechanical structure.The plate face of second circuit board 102 can be with simultaneously It is aligned with the side of first circuit board 101, the attachment solder joint on first circuit board 101 and the solder joint on second circuit board 102 Alignment is more preferable, and the transitionality of the connection between solder joint is more preferable, so that the electric connection of the circuit board of lamp bar 10 is steady It is qualitative more preferable.Lamp bead 100 can form more stable electrical property with first circuit board 101 by 101 comprehensive support of first circuit board Connection.
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 another embodiment, two sides of first circuit board 101 are connect with the plate face of second circuit board 102, and first Circuit board 101 can be connect in Contraband shape with second circuit board 102 or H-shaped connects.
In the present embodiment, first circuit board 101 is equipped with a bank light pearl 100 in the longitudinal direction, and length direction is first The bar shaped extending direction of circuit board 101, lamp bead 100 and the width of first circuit board 101 match.So that first circuit board 101 while can form comprehensive support to lamp bead 100, can select the first circuit board 101 that width is most narrow.
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 3, 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.First circuit board 101 and second circuit board 102 are strip, and first circuit board 101 and second circuit board 102 The equal length of length and light trough 103 or the length for being slightly less than light trough 103.
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.
Referring to Figure 4 together, the present embodiment also provides a kind of transparent screen 1, more including frame 20 and above-mentioned lamp bar 10 Lamp bar 10 is set on frame 20.The distribution of a plurality of parallel interval on frame 20 of lamp bar 10, the width of lamp bar 10 is small, each lamp Item 10 after being connected on frame 20, express by the spacing between lamp bar 10, so that the light transmittance of transparent screen 1 becomes larger, at For the transparent screen 1 of high penetration rate.
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 (10)

1. a kind of lamp bar for improving lamp bead stability, which is characterized in that including lamp bead, first circuit board and two pieces of second circuits Plate, multiple lamp beads are set in the plate face of the first circuit board;
Two pieces of second circuit boards are electrically connected and have a certain degree with the first circuit board, the first circuit board and The second circuit board is equipped with the driving circuit of the lamp bead.
2. lamp bar according to claim 1, which is characterized in that two pieces of second circuit boards and the first circuit board hang down It is direct-connected to connect.
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 second circuit boards are in The connection of Contraband shape.
5. lamp bar according to claim 1, which is characterized in that the first circuit board is equipped with a row institute in the longitudinal direction Lamp bead is stated, the lamp bead and the width of the first circuit board match.
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.
8. lamp bar according to claim 7, which is characterized in that the width of the width of the light trough and the first circuit board Match.
9. 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.
10. transparent screen, which is characterized in that including frame and lamp bar of any of claims 1-9, a plurality of lamp Item is set on the frame.
CN201820929076.6U 2018-06-14 2018-06-14 Improve the lamp bar and transparent screen of lamp bead stability Active CN208400420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820929076.6U CN208400420U (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
CN201820929076.6U CN208400420U (en) 2018-06-14 2018-06-14 Improve the lamp bar and transparent screen of lamp bead stability

Publications (1)

Publication Number Publication Date
CN208400420U true CN208400420U (en) 2019-01-18

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110473485A (en) * 2019-08-16 2019-11-19 上海亿品展示创意有限公司 LED transparent screen shows device
CN112289200A (en) * 2019-07-13 2021-01-29 区桦勇 Transparent LED double-sided screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289200A (en) * 2019-07-13 2021-01-29 区桦勇 Transparent LED double-sided screen
CN110473485A (en) * 2019-08-16 2019-11-19 上海亿品展示创意有限公司 LED transparent screen shows device

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