CN219936620U - LED digital tube housing capable of compensating collapse after encapsulation and solidification - Google Patents
LED digital tube housing capable of compensating collapse after encapsulation and solidification Download PDFInfo
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- CN219936620U CN219936620U CN202320982590.7U CN202320982590U CN219936620U CN 219936620 U CN219936620 U CN 219936620U CN 202320982590 U CN202320982590 U CN 202320982590U CN 219936620 U CN219936620 U CN 219936620U
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- display panel
- collapse
- encapsulation
- compensating
- tube housing
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- 238000005538 encapsulation Methods 0.000 title claims abstract description 26
- 230000008023 solidification Effects 0.000 title abstract description 19
- 238000007711 solidification Methods 0.000 title abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 abstract description 9
- 229920000647 polyepoxide Polymers 0.000 abstract description 9
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model relates to an LED nixie tube shell for compensating collapse after encapsulation and solidification, which comprises the following components: the shell comprises a shell body, wherein the shell body comprises a display panel and a side wall plate, and the display panel and the side wall plate are integrally injection molded; the display panel is outwardly convex. The pre-camber of the LED nixie tube shell is arranged to compensate the concave amount of the display panel after the encapsulation and the solidification of the epoxy resin, so that the flatness and the appearance uniformity of the display panel after the encapsulation and the solidification are realized, the luminous diffusion effect of the nixie tube is ensured, the problem that the surface of the device is concave after the solidification is solved, and the product quality is improved.
Description
Technical Field
The utility model belongs to the technical field of nixie tubes, and particularly relates to an LED nixie tube shell for compensating collapse after encapsulation and solidification.
Background
The epoxy resin is a main stream material applied to the LED industry field, can increase the luminous flux of the LED, has better durability and reliability for LED products, is used as a protective umbrella, and has good adhesion, electrical insulation and the like. In the application field of the existing technology for packaging the LED nixie tube by epoxy resin, the situation that the plastic shell of the LED nixie tube is concaved and deformed after the LED nixie tube is encapsulated and solidified by the epoxy resin is common. The problem is caused by shrinkage of the internal stress surface during device curing, and mainly affects the following aspects:
1. the light emitting display surface is concave, and the light diffusion effect of the light emitting device is affected.
2. The stability of the whole structure of the device is affected, and potential risks exist.
3. The surface of the device is concave, the appearance and the installation are affected, and the quality reputation of the product is reduced.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the defects in the prior art, the LED nixie tube shell for compensating collapse after encapsulation and solidification is provided, and aims to set the nixie tube shell into an outwards convex shape in advance to compensate the inward shrinkage of a panel of the shell after encapsulation and solidification, so that the display panel of the LED nixie tube after encapsulation and solidification is flat.
The technical scheme adopted for solving the technical problems is as follows: an LED nixie tube housing that compensates for collapse after curing of a package, comprising:
the shell comprises a shell body, wherein the shell body comprises a display panel and a side wall plate, and the display panel and the side wall plate are integrally injection molded;
the display panel is outwardly convex.
Preferably, in the LED nixie tube shell for compensating collapse after encapsulation and solidification, the width of the outward bulge of the central point of the display panel is the largest, and the central point is transited to the peripheral cambered surface.
Preferably, the LED nixie tube shell for compensating the collapse after encapsulation and solidification is provided, and the outward camber of the display panel is set to be 0.3% of the length of the panel.
Preferably, the LED nixie tube shell for compensating the collapse after encapsulation and solidification has the advantages that the thickness of the display panel is uniform, and the thickness of the display panel is 0.5-1mm.
Preferably, the thickness of the display panel is uneven, and the LED nixie tube shell is used for compensating collapse after encapsulation and solidification.
Preferably, in the LED nixie tube shell for compensating collapse after encapsulation and curing, the thickness of the display panel gradually increases from the center point to the periphery.
Preferably, the thickness of the central point of the display panel of the LED nixie tube shell for compensating the collapse after the encapsulation and solidification is set to be 1-2mm.
The beneficial effects of the utility model are as follows:
the pre-camber of the LED nixie tube shell is arranged to compensate the concave amount of the display panel after the encapsulation and the solidification of the epoxy resin, so that the flatness and the appearance uniformity of the display panel after the encapsulation and the solidification are realized, the luminous diffusion effect of the nixie tube is ensured, the problem that the surface of the device is concave after the solidification is solved, and the product quality is improved.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
FIG. 1 is a schematic three-dimensional structure of examples 1 and 2 of the present utility model;
FIG. 2 is a schematic top view of embodiment 1 of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure at E-E in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the structure at H-H in FIG. 2;
FIG. 5 is a schematic cross-sectional view of the structure at G-G in FIG. 2;
the reference numerals in the figures are:
a case body 10;
a display panel 11;
side wall panels 12.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings in combination with embodiments.
Example 1
The embodiment provides an LED nixie tube housing for compensating collapse after encapsulation and curing, the structure of which is shown in fig. 1-5, comprising:
the case body 10. The case body 10 includes a display panel 11 and a side wall plate 12, and the display panel 11 and the side wall plate 12 are integrally injection molded, and in this embodiment, the case body 10 is injection molded using a PC material.
Preferably, in the LED nixie tube housing for compensating collapse after encapsulation and curing of the present embodiment, the central point of the display panel 11 has the largest outward protruding amplitude, and transits from the central point to the peripheral cambered surface.
Preferably, in the LED nixie tube housing for compensating for collapse after encapsulation and curing of the present embodiment, the thickness of the display panel 11 is uniform, and the thickness of the display panel 11 is 1mm.
In order to solve the problem that the surface of a packaged device is concavely deformed, when the LED digital tube shell is manufactured, the concave display panel 11 is designed into a convex surface with camber in advance, and the corresponding pre-camber is set because the display panel 11 is concavely deformed after being encapsulated and solidified by epoxy resin.
Specifically, in the present embodiment, the length L of the display panel 11 is set to 100mm, and the height difference between the top of the center point of the display panel 11 and the plane on which the upper surface of the peripheral edge line is located is set to 0.3mm.
Before the epoxy resin is packaged, all parts are installed, after the device on the display panel is packaged and solidified, the pre-camber of the original device surface can be restored to be a plane due to internal stress shrinkage, so that the display surface of the packaged device is flat. The structure solves the problem that the back surface of the plastic device is sunken, is convenient and fast to apply, is easy to realize and has practicability.
Example 2
The embodiment provides an LED nixie tube housing for compensating collapse after encapsulation and solidification, the structure of which is shown in fig. 1, comprising:
the case body 10. The case body 10 includes a display panel 11 and a side wall plate 12, and the display panel 11 and the side wall plate 12 are integrally injection molded, and in this embodiment, the case body 10 is injection molded using a PC material.
Preferably, in the LED nixie tube housing for compensating collapse after encapsulation and curing of the present embodiment, the central point of the display panel 11 has the largest outward protruding amplitude, and transits from the central point to the peripheral cambered surface.
In order to solve the problem that the surface of a packaged device is concavely deformed, when the LED digital tube shell is manufactured, the concave display panel 11 is designed into a convex surface with camber in advance, and the display panel 11 is concavely deformed after being encapsulated and solidified by epoxy resin, so that the corresponding pre-camber is arranged.
Preferably, in the LED digital tube housing for compensating for collapse after encapsulation and curing of the present embodiment, the thickness of the display panel 11 is uneven, the thickness of the display panel 11 gradually increases from the center point to the peripheral direction, the thickness of the center point of the display panel 11 is set to 1mm, the thickness of the four peripheral sides of the display panel 11 is set to 1.5mm, the length of the display panel 11 is set to 100mm, and the height difference between the center point and the plane of the peripheral side line of the display panel 11 is set to 0.3mm. After the epoxy resin is encapsulated and cured, the pre-camber of the display panel 11 is restored to be a plane due to internal stress shrinkage, so that the display surface of the encapsulated device is flat.
With the above-described preferred embodiments according to the present utility model as a teaching, the worker skilled in the art could make various changes and modifications without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of claims.
Claims (7)
1. An LED nixie tube housing that compensates for package cure post-collapse, comprising:
a case body (10), the case body (10) including a display panel (11) and a side wall plate (12), the display panel (11) and the side wall plate (12) being integrally injection molded;
the display panel (11) is outwardly convex.
2. The LED digital tube housing for compensating for collapse after encapsulation curing according to claim 1, wherein the central point of said display panel (11) has a maximum outward convex extent, transitioning from the central point to the peripheral arc.
3. An LED nixie tube housing to compensate for post package cure collapse according to claim 2 wherein the outward camber of the display panel (11) is set to 0.3% of the panel length.
4. A LED nixie tube housing for compensating for post-package curing collapse according to claim 3, wherein the display panel (11) has a uniform thickness and the display panel (11) has a thickness of 0.5-1mm.
5. A LED nixie tube housing to compensate for post package cure collapse according to claim 3 wherein the display panel (11) is non-uniform in thickness.
6. The LED digital tube housing compensating for collapse after encapsulation curing according to claim 5, wherein said display panel (11) has a thickness gradually increasing from a center point to the surrounding direction.
7. The LED digital tube housing compensating for collapse after encapsulation curing according to claim 4, wherein the thickness of the center point of said display panel (11) is set to 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982590.7U CN219936620U (en) | 2023-04-27 | 2023-04-27 | LED digital tube housing capable of compensating collapse after encapsulation and solidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982590.7U CN219936620U (en) | 2023-04-27 | 2023-04-27 | LED digital tube housing capable of compensating collapse after encapsulation and solidification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936620U true CN219936620U (en) | 2023-10-31 |
Family
ID=88491201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320982590.7U Active CN219936620U (en) | 2023-04-27 | 2023-04-27 | LED digital tube housing capable of compensating collapse after encapsulation and solidification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936620U (en) |
-
2023
- 2023-04-27 CN CN202320982590.7U patent/CN219936620U/en active Active
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