CN205016172U - Led display screen - Google Patents
Led display screen Download PDFInfo
- Publication number
- CN205016172U CN205016172U CN201520685905.7U CN201520685905U CN205016172U CN 205016172 U CN205016172 U CN 205016172U CN 201520685905 U CN201520685905 U CN 201520685905U CN 205016172 U CN205016172 U CN 205016172U
- Authority
- CN
- China
- Prior art keywords
- led display
- plastic shell
- radian
- size
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005538 encapsulation Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000007767 bonding agent Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 229920006335 epoxy glue Polymers 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model relates to a LED display screen belongs to the display screen field. LED display screen includes plastic housing and PCB subassembly, the upper surface of plastic housing casing and the lower surface has default values in the direction of upper surface one side radian, and the size of radian equals plastic housing through encapsulation solidification link after, and the upper surface of casing and lower surface are in the size of the crooked radian in lower surface one side, the PCB subassembly includes PCB board, contact pin pin and at least one LED subassembly. Set up the radian that has default values in the direction of this LED display screen on one side of the plastic housing casing upper surface at LED display screen, and the size of this radian equals plastic housing after solidifying the link through the encapsulation, the casing is in the radian size of another party's kickup, make LED display screen in process of production plastic housing just reach the radian size of the surface curvature that makes progress that plastic housing set up in advance because of sticking up the realization like the radian of the downward surface curvature that produces, reach the effect that improves LED display screen production quality.
Description
Technical field
The utility model relates to display screen field, particularly a kind of LED display.
Background technology
At present, large scale LED display has been widely used in the industry-by-industry fields such as medicine, advertisement, enterprise, education.When manufacturing large scale LED display, people face many technical matterss usually.
Need through long high-temperature baking due to during LED display package curing link in process of production, in the process, when LED display reaches certain length, the plastic shell of LED display is subject to the impact of high temperature and the encapsulation agent factor such as thermal change reaction in the curing process, when encapsulating agent and solidifying completely, plastic shell inevitably produces and sticks up realization and resemble that (namely the two end portions of plastic shell is upturned respectively to the side of upper surface side, center section is upturned to the side of lower surface side), as depicted in figs. 1 and 2.
In the prior art, people are when manufacturing LED display, upper surface and the lower surface of the plastic shell housing of LED display are generally straight flange structure, therefore, in the manufacture link of LED display, if the length of LED display reaches certain numerical value, then namely can produce after by package curing link and stick up realization and resemble, cause finished product to be not easy to because of distortion install, even scrap.
Utility model content
In the process manufactured, easily occur distortion for solving LED display in prior art and cause finished product to be not easy to install the problem of even scrapping, the utility model provides a kind of LED display.
A kind of LED display, comprise plastic shell and PCB assembly, it is characterized in that, the upper surface of described plastic shell housing and lower surface, there is the radian of default value respectively on the direction of upper surface side, the size of described radian equals described plastic shell after by package curing link, the size of the radian that the upper surface of housing and lower surface are bent upwards in the side of lower surface side;
Described PCB assembly comprises pcb board, contact pin pin and at least one LED component, and described PCB assembly is nested in embedding to be had in the described plastic shell of encapsulation agent.
Described plastic shell is provided with at least one reflection cavity, and shape corresponding a kind of pattern or the word respectively that the upper accent of each reflection cavity presents at the upper surface of described plastic shell housing.
Described reflection cavity shape is funnel-form or trapezoidal shape, and the upper accent size of this reflection cavity is greater than lower accent size.
Described encapsulation agent is epoxy glue.
Described contact pin pin is arranged at the first side of described pcb board, and at least one LED component described is arranged at the second side of described pcb board, and each LED component at least to reflect accent with in plastic shell corresponding.
The bottom of described reflection cavity is provided with at least one PCB assembly reference column, described pcb board is provided with at least one PCB assembly pilot hole, and described PCB assembly is corresponding with the PCB assembly reference column on described plastic shell by the pilot hole on described pcb board.
Described LED display also comprises diaphragm, and described diaphragm is bonded by the upper surface of bonding agent and described plastic shell housing; Described diaphragm has pattern reflect pattern on accent with each or word corresponding.
The technical scheme that embodiment of the present utility model provides can comprise following beneficial effect:
By the upper surface of the plastic shell housing by LED display and lower surface, the radian with default value is set respectively on the direction of upper surface side, and the size of this radian equals plastic shell after by package curing link, the size of the radian that the upper surface of housing and lower surface are bent upwards in the side of lower surface side, make LED display after by package curing link, the upper surface of plastic shell and lower surface cash because sticking up the radian that the radian resembling the downward surface curvature of generation just reaches the upwards surface curvature that plastic shell pre-sets, solve LED display in the process manufactured, easily occur distortion and cause finished product to be not easy to install the problem of even scrapping, the upper surface and the lower surface that reach the plastic shell of the LED display finished product produced are straightened condition, improve the effect of the LED display quality of production.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the utility model.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows the embodiment meeting this, and is used from instructions one and explains principle of the present utility model.
Fig. 1 is the schematic diagram of the plastic shell of traditional LED display before package curing;
Fig. 2 is the schematic diagram of the plastic shell of traditional LED display after package curing;
Fig. 3 is the structural representation of the plastic shell of the utility model LED display;
Fig. 4 is the vertical view of the utility model LED display;
Fig. 5 is the sectional view of the utility model LED display;
Fig. 6 is the explosive view of the utility model LED display.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with this.On the contrary, they only with as in appended claims describe in detail, the consistent embodiment in aspects more of the present utility model.
Shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, present embodiments provide a kind of LED display, comprise plastic shell 1 and PCB assembly 2, the upper surface of this plastic shell 1 housing and lower surface, on the direction of upper surface side, have the radian of default value respectively, the size of this radian equals the size of the radian that this plastic shell is bent upwards in the side of lower surface side at upper surface and the lower surface by package curing link back casing; This PCB assembly 2 comprises pcb board 21, contact pin pin 22 and at least one LED component 23, and this PCB assembly 2 is nested in embedding to be had in this plastic shell 1 of encapsulation agent.
Such as, the radian that the plastic shell 1 of LED display is set to be bent upwards to the side of upper surface side before by package curing link is 20rad, the radian that the plastic shell 1 of LED display is bent upwards to the side of lower surface side after by package curing link is 20rad, then the plastic shell 1 of LED display is after passing through package curing link, upper surface and lower surface are straight flange structure, and the scrappage of finished product is reduced.
In the present embodiment, this plastic shell 1 is provided with at least one reflection cavity 11, and shape corresponding a kind of pattern or the word respectively that the upper accent of each reflection cavity 11 presents at the upper surface of this plastic shell 1 housing.
Wherein, PCB assembly 2 after being energized by contact pin pin 22, the light that the LED component 23 on pcb board 21 sends by reflection cavity 11, thus make the pattern presented at the upper surface of plastic shell 1 housing of accent on reflection cavity 11 or word luminous.
In the present embodiment, the shape of this reflection cavity 11 is funnel-form or trapezoidal shape.
It should be noted that, the upper accent size of reflection cavity 11 is greater than lower accent, the light that in PCB assembly 2, LED component 23 sends can effectively be assembled through reflection cavity 11, thus enhance the brightness of word or pattern in LED display, improve the luminescence efficiency of LED component 23 in light-emitting diode display.
In the present embodiment, this encapsulation agent is epoxy glue.
It should be noted that, epoxy glue can be embraced LED light line and effectively spread, and increases certain brightness, and PCB assembly 2 can be wrapped up completely and fix, and makes LED component 2 not easily damaged.
In the present embodiment, the bottom surface that this contact pin pin establishes 22 to be placed in this pcb board 21, this at least one LED component 23 is arranged at the upper surface of this pcb board 21, and each LED component 23 is at least corresponding with the reflection cavity 11 of in plastic shell 1.
In the present embodiment, the bottom of this plastic shell 1 is provided with at least one PCB assembly reference column 12, this pcb board 21 is provided with at least one PCB assembly pilot hole, and the PCB assembly reference column on this plastic shell with the pilot hole on this pcb board with corresponding.
The present embodiment is by before carrying out package curing link by LED display, use the mode of PCB assembly pilot hole and PCB assembly reference column 12, make when carrying out package curing to LED display, PCB assembly 2 can not change with the relative position of plastic shell 1, thus reduces the defect rate of LED display.
Usually, PCB assembly reference column 12 quantity is equal with the PCB assembly pilot hole quantity that pcb board 21 is arranged.
It should be noted that, at some in particular cases, PCB assembly reference column 12 quantity also can be less than the PCB assembly pilot hole quantity that pcb board 21 is arranged.
In the present embodiment, this LED display also comprises diaphragm 3, and this diaphragm 3 is bonded by the upper surface of bonding agent and this plastic shell 1 housing;
Pattern or the word this diaphragm 3 with pattern and accent on each reflection cavity 11 are corresponding;
Pattern on this diaphragm 3 is transparent or translucent.
Bonding agent can be transparent or semitransparent glue.Pattern or the word of the pattern on diaphragm 3 or word and accent on each reflection cavity 11 are corresponding, and the light that LED component 2 sends, through after reflection cavity 11, can also pass diaphragm 3, thus in LED display, show default pattern or word.
Those skilled in the art, after considering instructions and practice utility model here, will easily expect this other embodiment.The application is intended to any modification, purposes or the adaptations that contain this, and these modification, purposes or adaptations are followed general principle originally and comprised common practise in the art or the conventional techniques means of the non-utility model of the utility model.Instructions and embodiment are only regarded as exemplary, and this true scope and spirit are pointed out by claim below.
Should be understood that, be originally not limited to precision architecture described above and illustrated in the accompanying drawings, and various amendment and change can be carried out not departing from its scope.This scope is only limited by appended claim.
Claims (6)
1. a LED display, comprise plastic shell and PCB assembly, it is characterized in that, the upper surface of described plastic shell housing and lower surface, there is the radian of default value respectively on the direction of upper surface side, the size of described radian equals described plastic shell after by package curing link, the size of the radian that the upper surface of housing and lower surface are bent upwards in the side of lower surface side; Described PCB assembly comprises pcb board, contact pin pin and at least one LED component, and described PCB assembly is nested in embedding to be had in the described plastic shell of encapsulation agent.
2. LED display according to claim 1, is characterized in that, described plastic shell is provided with at least one reflection cavity, and shape corresponding a kind of pattern or the word respectively that the upper accent of each reflection cavity presents at the upper surface of described plastic shell housing.
3. LED display according to claim 2, is characterized in that, described reflection cavity shape is funnel-form or trapezoidal shape, and the upper accent size of this reflection cavity is greater than lower accent size.
4. LED display according to claim 2, it is characterized in that, described contact pin pin is arranged at the bottom surface of described pcb board, and at least one LED component described is arranged at the upper surface of described pcb board, and each LED component is at least corresponding with the reflection cavity of in plastic shell.
5. LED display according to claim 2, it is characterized in that, the bottom of described reflection cavity is provided with at least one PCB assembly reference column, described pcb board is provided with at least one PCB assembly pilot hole, and described PCB assembly is corresponding with the PCB assembly reference column on described plastic shell by the pilot hole on described pcb board.
6. LED display according to claim 2, is characterized in that, described LED display also comprises diaphragm, and described diaphragm is bonded by the upper surface of bonding agent and described plastic shell housing; Described diaphragm has pattern reflect pattern on accent with each or word corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685905.7U CN205016172U (en) | 2015-09-08 | 2015-09-08 | Led display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685905.7U CN205016172U (en) | 2015-09-08 | 2015-09-08 | Led display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016172U true CN205016172U (en) | 2016-02-03 |
Family
ID=55214764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685905.7U Expired - Fee Related CN205016172U (en) | 2015-09-08 | 2015-09-08 | Led display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128321A (en) * | 2016-08-26 | 2016-11-16 | 中山市佑阳光电科技有限公司 | Drive the LED digital display screen controlled |
-
2015
- 2015-09-08 CN CN201520685905.7U patent/CN205016172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128321A (en) * | 2016-08-26 | 2016-11-16 | 中山市佑阳光电科技有限公司 | Drive the LED digital display screen controlled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED two-dimensional light-emitting module and LED display screen Effective date of registration: 20170927 Granted publication date: 20160203 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Zhongshan branch Pledgor: ZHONGSHAN YOUYANG OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2017440000095 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |