CN102290006B - LED (light-emitting diode) display device and fixing method of surface cover thereof - Google Patents
LED (light-emitting diode) display device and fixing method of surface cover thereof Download PDFInfo
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- CN102290006B CN102290006B CN 201110256475 CN201110256475A CN102290006B CN 102290006 B CN102290006 B CN 102290006B CN 201110256475 CN201110256475 CN 201110256475 CN 201110256475 A CN201110256475 A CN 201110256475A CN 102290006 B CN102290006 B CN 102290006B
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Abstract
The invention provides an LED (light-emitting diode) display device and a fixing method of a surface cover thereof, wherein the LED display device comprises an LED display lamp panel (1) and the surface cover (2) which are connected by a bonding layer. In the LED display device disclosed by the inveniton, the surface cover is smooth, the display effect is good and the assembly is simple.
Description
Technical field
The present invention relates to LED and show the field, in particular to the fixing means of the face shield of a kind of LED display device and LED display device.
Background technology
In the prior art, the face shield technique for fixing of LED display device is generally all realized by following several modes:
One, passes through screw fixation method, screw fixation method is divided into again the fixing and rear screw of front screw to be fixed, wherein front screw fixation method reliability is high, but can affect visual effect, and adopts the fixing mode of rear screw too high to precision and the material performance requirement of product.
Two, fix by the buckle mode, the fixing advantage of buckle mode is easy to operate, and shortcoming is that reliability is not high, causes that easily face shield destroys, and very high to the accuracy requirement of product.
Three, fix by scalding the modes such as riveting, the similar and buckle of the effect of this mode, but efficient is lower.
Above-mentioned several mode has characteristics the most basic, namely all be to fix face shield by point, and higher to the requirement of the consistance of product and permanance by the some fixed visors, be easy to because the inconsistent face shield that causes of application of force situation of each point of fixity is smooth not, and then affect display effect.Simultaneously, above-mentioned mode need to be fixed a plurality of tie points so that efficiency of assembling descends complicated operation.
In addition, along with the development of little spacing LED display device (dot spacing is less than 3mm), above-mentioned mode need to show the upper reserving installation hole of lamp plate (pcb board) at LED, and this shows that for little spacing LED lamp plate is very difficult, and therefore operation is very difficult.
Summary of the invention
The present invention aims to provide the fixing means of the face shield of a kind of LED display device and LED display device, with smooth not problem after face shield is fixed in the solution prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of LED display device, having comprised: LED shows lamp plate and face shield, and LED shows that lamp plate is connected adhesive linkage with face shield and connects.
Further, adhesive linkage comprises a plurality of unit adhesion zone that are isolated from each other.
Further, have the resigning hole of a plurality of LED of holding display lamps on the face shield, the unit adhesion zone is arranged on corresponding to the position between the adjacent resigning hole on the face shield, and between the edge of the adjacent resigning hole on the edge of unit adhesion zone and the face shield interval is arranged.
Further, the rectangular arranged in arrays of the resigning hole on the face shield, correspondence is provided with the unit adhesion zone respectively in middle part that the diagonal line of every adjacent four resigning holes intersects, and each unit adhesion zone is cruciform.
Further, also be provided with a plurality of reference columns that show the lamp plate protrusion towards LED on the face shield.
Further, adhesive linkage also comprises the positioning bonding district, and positioning bonding district correspondence is along the circumferential position of reference column.
According to another aspect of the present invention, also provide a kind of fixing means of face shield of LED display device, may further comprise the steps: face shield has been smeared colloid form adhesive linkage on the side of LED demonstration lamp plate; Face shield is connected that with LED lamp plate connects by adhesive linkage.
Further, the step that forms adhesive linkage is finished by steel mesh seal adhesive process.
Further, face shield is connected with LED in the step that lamp plate connects by adhesive linkage and further comprises: face shield, LED are shown that lamp plate and adhesive linkage are fitted form integrative-structure; Integrative-structure is heating and curing.
Further, carrying out following steps before the step that integrative-structure is heating and curing: utilize technological equipment that the LED after fitting is shown that lamp plate and face shield carry out crimping.
Further, the heating-up temperature in the step that is heating and curing is 80 ℃, and be 10 minutes set time.
Use technical scheme of the present invention, LED shows lamp plate and face shield, LED shows that lamp plate is connected adhesive linkage with face shield and connects, utilize adhesive linkage to connect so that the fixing consistance height of the face shield of LED display device, namely be not out of shape the drum phenomenon, its bonding strength can keep face shield smooth fully, and then display effect is good, and production efficiency is high.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the assembling synoptic diagram according to the embodiment of LED display device of the present invention;
Fig. 2 shows the structural representation of a side of face shield of the LED display device of Fig. 1;
Fig. 3 shows the A-A of a side of face shield of Fig. 2 to cross-sectional schematic;
Fig. 4 shows the local enlarged diagram at B place of a side of the face shield of Fig. 2;
Fig. 5 shows the structural representation of another side of face shield of the LED display device of Fig. 1;
Fig. 6 shows the local enlarged diagram at C place of another side of the face shield of Fig. 5;
Fig. 7 shows the structural representation of being combined with adhesive linkage in another side of the face shield of Fig. 5;
Fig. 8 shows the local enlarged diagram at the D place of the structure of another side of the face shield of Fig. 7 being combined with adhesive linkage;
Fig. 9 shows the schematic flow sheet according to the embodiment of the fixing means of face shield of the present invention; And
Figure 10 shows the structural representation that utilizes technological equipment to carry out crimping.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 shows the assembling synoptic diagram according to the embodiment of LED display device of the present invention.As shown in Figure 1, as can be seen from the figure, the LED display device of present embodiment comprises: LED shows lamp plate 1 and face shield 2, and this LED shows that lamp plate 1 is connected with face shield and connects by adhesive linkage.Utilize adhesive linkage to connect so that the face shield of LED display device fixedly consistance is high, namely be out of shape and has roused phenomenon, its bonding strength can keep face shield smooth fully, and then display effect is good, and the production efficiency height.
Preferably, adhesive linkage comprises a plurality of unit adhesion zone 23 that are isolated from each other.Prevent from the one hand in bonding process, occuring the glue phenomenon of overflowing, on the other hand, for the ease of follow-up maintenance, can carry out for the face shield 2 after guaranteeing to bond and LED show lamp plate 1 that manual removal is safeguarded and do not need instrument under can the prerequisite of proof strength.Bonding rear 180 ° of peel strengths are about 1KG/CM
2, its bonding dynamics is enough to bonding face shield 2, be convenient to again peel manually from.
Preferably, to shown in Figure 8, have the resigning hole 21 of a plurality of LED of holding display lamps such as Fig. 2 and Fig. 4 on the face shield 2, unit adhesion zone 23 is arranged on corresponding to the position between the adjacent resigning hole on the face shield.As shown in Figure 8, between the edge of the adjacent resigning hole on the edge of unit adhesion zone 23 and the face shield 2 interval is arranged.
Such as Fig. 5 to shown in Figure 8, the resigning hole 21 rectangular arranged in arrays on the face shield 2, correspondence is provided with unit adhesion zone 23 respectively in middle part that the diagonal line of every adjacent four resigning holes 21 intersects, and each unit adhesion zone is cruciform.Like this, so that have an adhesion zone at least around each resigning hole 21, so that face shield 2 shows that with LED lamp plate 1 is connected more reliable.
Preferably, as shown in Figure 3, also be provided with a plurality of reference columns 22 that show lamp plate 1 protrusion towards LED on the face shield 2.When being used for showing that with LED lamp plate 1 is connected, reference column 22 locates fast.
Preferably, more smooth in order to guarantee around the bonding rear reference column 22, adhesive linkage also comprises the positioning bonding district, and positioning bonding district correspondence is along the circumferential position of reference column 22.
As shown in Figure 9, the present invention also provides a kind of fixing means of face shield of LED display device, may further comprise the steps:
S10: face shield 2 is smeared colloid form adhesive linkage on the side of LED demonstration lamp plate 1.Above-mentioned colloid can be selected anaerobism class glue, Hai Sidike EP211 for example, and the characteristic of this colloid is that temperature resistant range is wide, can keep better stickiness in-30 ℃ to+100 ℃ scopes.Select as far as possible transparent colloid, like this, even the display effect that excessive glue phenomenon also can not affect the LED display device in subsequent technique, occurs.
Preferably, the step that forms adhesive linkage is finished by steel mesh seal adhesive process.Steel mesh seal glue efficient is higher, and gluing is effective.
S20: face shield 2 is connected that with LED lamp plate 1 connects by adhesive linkage.
Preferably, face shield 2 is connected with LED lamp plate 1 is undertaken further comprising in the bonding step by the adhesive linkage connection:
First step shows that with face shield 2, LED lamp plate 1 and adhesive linkage applying form integrative-structure.In this step, face shield 2 can be buckled in LED and show on the lamp plate 1, LED can be shown that also lamp plate 1 is buckled on the face shield 2.
Second step is heating and curing above-mentioned integrative-structure.Preferably, the heating-up temperature in the step that is heating and curing is 80 ℃, and be 10 minutes set time.Can certain interval of time between being heating and curing, be heating and curing and need in heating furnace, carry out.
Preferably, carry out before following steps in the step that integrative-structure is heating and curing (second step):
As shown in figure 10, utilize technological equipment that the LED after fitting is shown that lamp plate 1 and face shield 2 carry out crimping.Technological equipment comprises pressing plate 31 and base plate 33, and pressing plate 31 has a plurality of slots to make way that show the connector of lamp plate be used to the LED that steps down.Crimping by technological equipment is so that LED shows lamp plate 1, face shield 2 is connected to connect with adhesive linkage, also so that LED to show lamp plate 1 and face shield 2 more smooth.
In addition, whole bonding process can carry out pipeline system production according to technological process.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. LED display device, comprise: LED shows lamp plate (1) and face shield (2), it is characterized in that, described LED demonstration lamp plate (1) is connected 2 with face shield) connect by adhesive linkage, described adhesive linkage comprises a plurality of unit adhesion zone (23) that are isolated from each other, have a plurality of resigning holes (21) that hold described LED display lamp on the described face shield (2), described unit adhesion zone (23) is arranged on corresponding to the position between the adjacent described resigning hole on the described face shield, and between the edge of the adjacent described resigning hole on the edge of described unit adhesion zone (23) and the described face shield (2) interval is arranged, the rectangular arranged in arrays of resigning hole (21) on the described face shield (2), correspondence is provided with described unit adhesion zone (23) respectively in middle part that the diagonal line of every adjacent four described resigning holes (21) intersects, and each described unit adhesion zone is cruciform.
2. LED display device according to claim 1 is characterized in that, also is provided with on the described face shield (2) towards described LED to show a plurality of reference columns (22) that lamp plate (1) protrudes.
3. LED display device according to claim 2 is characterized in that, described adhesive linkage also comprises the positioning bonding district, and described positioning bonding district correspondence is along the circumferential position of described reference column (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256475 CN102290006B (en) | 2011-08-31 | 2011-08-31 | LED (light-emitting diode) display device and fixing method of surface cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256475 CN102290006B (en) | 2011-08-31 | 2011-08-31 | LED (light-emitting diode) display device and fixing method of surface cover thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102290006A CN102290006A (en) | 2011-12-21 |
| CN102290006B true CN102290006B (en) | 2013-10-30 |
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| CN 201110256475 Active CN102290006B (en) | 2011-08-31 | 2011-08-31 | LED (light-emitting diode) display device and fixing method of surface cover thereof |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310710A (en) * | 2012-03-15 | 2013-09-18 | 利亚德光电股份有限公司 | LED (light emitting diode) display device |
| CN102622941A (en) * | 2012-04-16 | 2012-08-01 | 杨波 | Novel LED (Light-Emitting Diode) display screen mask |
| CN102881232A (en) * | 2012-09-26 | 2013-01-16 | 上海三思电子工程有限公司 | Dot spacing light-emitting diode (LED) display screen with face mask |
| CN103137029B (en) * | 2013-03-14 | 2016-01-13 | 利亚德光电股份有限公司 | LED display |
| CN103150971B (en) * | 2013-03-14 | 2016-04-06 | 利亚德光电股份有限公司 | LED display |
| JP6267242B2 (en) * | 2013-03-14 | 2018-01-24 | 利▲亜▼▲徳▼光▲電▼股▲フン▼有限公司 | LED display device |
| CN103150970B (en) * | 2013-03-14 | 2016-03-02 | 利亚德光电股份有限公司 | LED display |
| CN103680341A (en) * | 2013-12-24 | 2014-03-26 | 利亚德光电股份有限公司 | Mask fixing method of LED display device and LED display device |
| CN104680947A (en) * | 2015-02-15 | 2015-06-03 | 北京环宇蓝博科技有限公司 | Device and method for eliminating moire fringes from LED (light emitting diode) screen and improving filling coefficient |
| CN107949171B (en) * | 2017-11-15 | 2021-02-09 | 广东喜珍电路科技有限公司 | Printed circuit board and manufacturing method thereof |
| CN110189648A (en) * | 2019-06-28 | 2019-08-30 | 湖北匡通电子股份有限公司 | A kind of novel LED display screen mask |
| CN111243455B (en) * | 2020-03-26 | 2024-08-20 | 利亚德智慧显示(深圳)有限公司 | Mask and display screen |
| CN111402747B (en) * | 2020-04-20 | 2022-05-17 | 深德彩智能科技(东莞)有限公司 | COB module and manufacturing method thereof |
| CN112133208A (en) * | 2020-07-29 | 2020-12-25 | 杭州美卡乐光电有限公司 | LED display module and manufacturing method thereof, LED display screen and manufacturing method thereof |
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| CN2745158Y (en) * | 2004-10-08 | 2005-12-07 | 陈天宇 | Improved dot matrix diode structure |
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| CN2745158Y (en) * | 2004-10-08 | 2005-12-07 | 陈天宇 | Improved dot matrix diode structure |
| CN201041721Y (en) * | 2007-03-14 | 2008-03-26 | 深圳市恒安华实业有限公司 | A LED light source advertisement lamp box with novel structure |
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| CN102290006A (en) | 2011-12-21 |
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