CN110739274B - Design method of moisture-proof structure of PLCC SMD outdoor RGB support - Google Patents
Design method of moisture-proof structure of PLCC SMD outdoor RGB support Download PDFInfo
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- CN110739274B CN110739274B CN201911030629.XA CN201911030629A CN110739274B CN 110739274 B CN110739274 B CN 110739274B CN 201911030629 A CN201911030629 A CN 201911030629A CN 110739274 B CN110739274 B CN 110739274B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/564—Details not otherwise provided for, e.g. protection against moisture
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
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- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
The invention discloses a design method of a moisture-proof structure of a PLCC SMD outdoor RGB support. The invention discloses a design method of a moisture-proof structure of a PLCC SMD outdoor RGB support, which comprises the following steps: the bracket terminal forms a triangular concave point, staggered arrangement is formed on the terminal, and plastic is filled into the concave point of the bracket terminal after electroplating, so that a convex point is formed; when moisture permeates from the outside to the inside of the lamp bead, according to the irregularity of the diffusion of fluid in fluid mechanics, when the moisture meets the first row of triangular salient points, part of the moisture is blocked back, the rest part of the moisture continuously permeates to the inside, and the moisture can be completely blocked when the moisture reaches the last row of triangular salient points; when moisture exists in the inner part, the moisture is discharged along the hypotenuse of the triangle, and the moisture is not blocked by the salient points in the process.
Description
Technical Field
The invention relates to the field of LED supports, in particular to a design method of a moisture-proof structure of a PLCC SMD outdoor RGB support.
Background
In recent years, the LED outdoor surface-mounted products increasingly replace the traditional single-lamp 346/546 products in a three-in-one color mixing display mode that the single lamp is incomparable with, and become the main choice of the outdoor LED display screen. With the rapid development of the outdoor LED display application technology, the outdoor full-color Surface Mount Device (SMD) gradually becomes the mainstream light emitting device of the future outdoor LED display screen due to its advantages of wide viewing angle, good light distribution, good light mixing, high contrast ratio and easy automation production, and has a tendency of gradually replacing the plug-in.
The traditional technology has the following technical problems:
moisture is a natural enemy of all electronic components, and surface-mounted LED devices for display screens, particularly outdoor LED devices, have high requirements on environmental adaptability and need to have excellent moisture resistance. In order to achieve excellent moisture resistance, various more excellent raw materials are selected and matched to improve the moisture resistance of an outdoor full-color patch type display screen device at present; and secondly, optimizing and improving the moisture resistance of the device in the aspect of structural design of the bracket. The raw material aspect is mainly improved by the material supplier, and the structural design aspect gives more space to the device packaging factory. The structural design determines the basic performance of the product, and if the structural design in the early stage has defects, the later stage material matching cannot achieve more excellent moisture resistance.
Therefore, how to improve the moisture resistance of the product in terms of structural design is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a design method of a moisture-proof structure of a PLCC SMD outdoor RGB support.
In order to solve the technical problem, the invention provides a design method of a moisture-proof structure of a PLCC SMD outdoor RGB support, which comprises the following steps:
forming concave points on the bracket terminal, wherein the concave points are arranged on the bracket terminal in a multi-row staggered manner, and filling plastic into the concave points after electroplating to form convex points;
when moisture permeates from the outside to the inside of the lamp bead, according to the irregular diffusion of fluid in hydrodynamics, when the moisture meets the first row of salient points, part of the moisture is blocked back, the rest part of the moisture continuously permeates to the inside, and the moisture can be completely blocked when the moisture reaches the last row of salient points; when moisture exists in the inner part, the moisture is discharged along the hypotenuse of the triangle, and the moisture is not blocked by the salient points in the process.
In one embodiment, the bracket terminal body is a thin strip of copper material.
In one embodiment, the bracket terminal body is a thin strip of ferrous material.
In one embodiment, the bump arrangement is a 4 to 6 staggered arrangement.
In one embodiment, the concave points of the body and the convex points after injection molding are positioned at the bottom of the bracket terminal.
In one embodiment, the bracket terminals are stamped by a punch press to form the depressions.
In one embodiment, the punching machine is provided with triangular hemp head punching points.
In one embodiment, the bump is triangular in shape.
In one embodiment, the salient points are equilateral triangles.
In one embodiment, the plastic is filled into the concave points of the bracket terminals by an injection molding method.
The invention has the beneficial effects that:
according to the invention, triangular concave points are formed by stamping the support terminal through a punch press, staggered arrangement is formed on the terminal, and plastic is filled into the concave points of the support terminal through injection molding after electroplating, so that convex points are formed by the plastic; when moisture exists in the inner part, the moisture is discharged along the hypotenuse of the triangle, and the moisture is not blocked by the salient points in the process.
Drawings
Fig. 1 is a concave point diagram of the bottom of a terminal of an LED single body in the design method of a moisture-proof structure of a PLCC SMD outdoor RGB support of the present invention.
FIG. 2 is a concave point diagram of the upper part of the LED single terminal in the design method of the moisture-proof structure of the PLCC SMD outdoor RGB support.
Fig. 3 is a schematic diagram of a moisture-blocking structure in the design method of the moisture-proof structure of the PLCC SMD outdoor RGB support of the present invention.
Fig. 4 is a schematic diagram of a traditional moistureproof structure design (only holes are punched at the bending positions of the terminal bodies) in the method for designing the moistureproof structure of the outdoor RGB support of the PLCC SMD of the present invention.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 to 3, a design method of a moisture-proof structure of a PLCC SMD outdoor RGB bracket includes:
forming concave points on the bracket terminal, wherein the concave points are arranged on the bracket terminal in a multi-row staggered manner, and filling plastic into the concave points after electroplating to form convex points;
when moisture permeates from the outside to the inside of the lamp bead, according to the irregular diffusion of fluid in hydrodynamics, when the moisture meets the first row of salient points, part of the moisture is blocked back, the rest part of the moisture continuously permeates to the inside, and the moisture can be completely blocked when the moisture reaches the last row of salient points; when moisture exists in the inner part, the moisture is discharged along the hypotenuse of the triangle, and the moisture is not blocked by the salient points in the process.
In one embodiment, the bracket terminal body is a thin strip of copper material.
In one embodiment, the bracket terminal body is a thin strip of ferrous material.
In one embodiment, the bump arrangement is a 4 to 6 staggered arrangement.
In one embodiment, the concave points of the body and the convex points after injection molding are positioned at the bottom of the bracket terminal.
In one embodiment, the bracket terminals are stamped by a punch press to form the depressions.
In one embodiment, the punching machine is provided with triangular hemp head punching points.
In one embodiment, the bump is triangular in shape.
In one embodiment, the salient points are equilateral triangles.
In one embodiment, the plastic is filled into the concave points of the bracket terminals by an injection molding method.
The invention has the beneficial effects that:
according to the invention, triangular concave points are formed by stamping the support terminal through a punch press, staggered arrangement is formed on the terminal, and plastic is filled into the concave points of the support terminal through injection molding after electroplating, so that convex points are formed by the plastic; when moisture exists in the inner part, the moisture is discharged along the hypotenuse of the triangle, and the moisture is not blocked by the salient points in the process.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (4)
1. A design method of a moisture-proof structure of a PLCC SMD outdoor RGB support is characterized by comprising the following steps:
forming concave points on the bracket terminal, wherein the concave points are arranged on the bracket terminal in a multi-row staggered manner, and filling plastic into the concave points after electroplating to form convex points; the bracket terminal forms a concave point after being punched by a punch press, and a triangular hemp head punching point is arranged on the punch press; the salient points are triangular;
when moisture permeates from the outside to the inside of the lamp bead, according to the irregularity of the diffusion of fluid in fluid mechanics, when the moisture meets the first row of salient points, part of the moisture is blocked back, the rest part of the moisture continuously permeates to the inside, and the moisture can be completely blocked when the moisture reaches the last row of salient points; when moisture exists in the interior, the moisture is discharged along the hypotenuse of the triangle, and is not blocked by the salient points in the process; the salient points are equilateral triangles; the salient points are arranged in a 4-6 staggered manner; the vertex angles of the equilateral triangle salient points on the support terminals which are oppositely arranged at two sides are opposite and are arranged towards the inner side, and the side opposite to the vertex angle faces towards the outer side;
the concave points and the injection-molded convex points are positioned at the bottom of the bracket terminal.
2. The method of claim 1 wherein the body of the bracket terminals are thin strips of copper.
3. The method of claim 1 wherein the body of the bracket terminals are thin strips of iron material.
4. The method of claim 1, wherein the plastic is filled into the concave points of the bracket terminals by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911030629.XA CN110739274B (en) | 2019-10-28 | 2019-10-28 | Design method of moisture-proof structure of PLCC SMD outdoor RGB support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911030629.XA CN110739274B (en) | 2019-10-28 | 2019-10-28 | Design method of moisture-proof structure of PLCC SMD outdoor RGB support |
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| CN110739274A CN110739274A (en) | 2020-01-31 |
| CN110739274B true CN110739274B (en) | 2022-01-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887943A (en) * | 2010-06-22 | 2010-11-17 | 深圳市瑞丰光电子股份有限公司 | PLCC LED, LED backlight module and mobile phone |
| CN102201525A (en) * | 2010-03-25 | 2011-09-28 | Lg伊诺特有限公司 | Light emitting device package and lighting system having the same |
| WO2019066264A1 (en) * | 2017-09-29 | 2019-04-04 | 제엠제코(주) | Semiconductor package clip having engraved pattern, lead frame, substrate, and semiconductor package including same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285471A (en) * | 2018-11-14 | 2019-01-29 | 苏州晶台光电有限公司 | A kind of novel SMD outdoor full color supporting structure |
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- 2019-10-28 CN CN201911030629.XA patent/CN110739274B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201525A (en) * | 2010-03-25 | 2011-09-28 | Lg伊诺特有限公司 | Light emitting device package and lighting system having the same |
| CN101887943A (en) * | 2010-06-22 | 2010-11-17 | 深圳市瑞丰光电子股份有限公司 | PLCC LED, LED backlight module and mobile phone |
| WO2019066264A1 (en) * | 2017-09-29 | 2019-04-04 | 제엠제코(주) | Semiconductor package clip having engraved pattern, lead frame, substrate, and semiconductor package including same |
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| CN110739274A (en) | 2020-01-31 |
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