CN111295050A - Novel LED lamp panel alignment processing method - Google Patents
Novel LED lamp panel alignment processing method Download PDFInfo
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- CN111295050A CN111295050A CN202010123932.0A CN202010123932A CN111295050A CN 111295050 A CN111295050 A CN 111295050A CN 202010123932 A CN202010123932 A CN 202010123932A CN 111295050 A CN111295050 A CN 111295050A
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- China
- Prior art keywords
- led lamp
- lamp panel
- optical
- processing method
- edge
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
Abstract
The invention discloses a novel LED lamp panel alignment processing method which comprises the steps of manufacturing three optical points on two symmetrical process edges of an LED lamp panel, wherein the three optical points are in a right-angled triangle shape, two optical points are positioned at two ends of one process edge, and the other optical points are positioned at one end of the other process edge; when a CCD milling machine is processed, the optical point is grabbed through a CCD lens, and the expansion and contraction values are measured in an automatic alignment mode; and compensating the position of the welding disc of the lamp bead to the forming edge by the expansion and contraction value so as to realize accurate positioning and processing of the LED lamp panel. According to the novel LED lamp panel alignment processing method provided by the invention, the positioning precision is improved by increasing the optical points on the process edge and increasing the optical points on the process edge, so that the distances from the welding pad of the LED lamp bead to the forming edge are consistent, and the display effect after the LED lamp bead is installed is ensured.
Description
Technical Field
The invention relates to the technical field of printed circuit boards, in particular to a novel LED lamp panel alignment processing method.
Background
In the printed circuit board manufacturing process, the display effect of installing the LED lamp is concerned to the precision of lamp pearl PAD (PAD) to shaping limit on the lamp plate, and along with lamp pearl PAD to shaping limit required precision more and more high, the counterpoint technique of traditional mechanical hole location shaping gong board has can't satisfy the preparation requirement.
The mechanical through holes are poor in position precision during manufacturing, certain difference exists in the displacement consistency between the mechanical through holes and the circuit alignment process (difference exists between the mechanical through holes and the circuit bonding pads) when the circuit alignment process is caused, therefore, in the circuit alignment process, the alignment degree of the mechanical through holes and the circuit bonding pads is difficult to guarantee at the same time, the mechanical through holes are used for positioning and forming, the bead bonding pads are not consistent to the plate edges, the distance between the LED beads is large or small, and the display effect is influenced.
Disclosure of Invention
The invention provides a novel LED lamp panel alignment processing method, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a novel LED lamp panel alignment processing method comprises the following steps:
manufacturing three optical points on two symmetrical process edges of the LED lamp panel, wherein the three optical points are in a right-angled triangle shape, two optical points are located at two ends of one process edge, and the other optical points are located at one end of the other process edge;
when a CCD milling machine is processed, the optical point is grabbed through a CCD lens, and the expansion and contraction values are measured in an automatic alignment mode;
and compensating the position of the welding disc of the lamp bead to the forming edge by the expansion and contraction value so as to realize accurate positioning and processing of the LED lamp panel.
Further, in the novel LED lamp panel alignment processing method, the distance between each optical point and the end part of the technical edge where the optical point is located is 5 mm.
Furthermore, in the novel LED lamp panel alignment processing method, each optical point is a copper metal point.
Furthermore, in the novel LED lamp panel alignment processing method, each optical point is circular, and an annular window is formed in the periphery of each optical point.
Furthermore, in the novel LED lamp panel alignment processing method, the diameter of each optical point is 1mm, and the diameter of the outer circle of the annular window is 2 mm.
According to the novel LED lamp panel alignment processing method provided by the embodiment of the invention, the positioning precision is improved by increasing the optical points on the process edge and increasing the optical points on the process edge, so that the distances from the welding pads of the LED lamp beads to the forming edge are consistent, and the display effect after the LED lamp beads are installed is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a novel LED lamp panel alignment processing method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an optical dot design layout provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an optical spot provided in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Referring to fig. 1 to 3, a flow chart of a novel LED lamp panel alignment processing method according to an embodiment of the present invention is shown. The method specifically comprises the following steps:
s101, manufacturing three optical points on two symmetrical process edges of the LED lamp panel, wherein the three optical points are in a right-angled triangle shape, two optical points are located at two ends of one process edge, and the other optical points are located at one end of the other process edge;
s102, when a CCD milling machine is used for processing, the optical points are grabbed through a CCD lens, and the expansion and contraction values are measured in an automatic alignment mode;
s103, compensating the position from the lamp bead welding disc to the forming edge through the expansion and contraction value so as to realize right accurate positioning and processing of the LED lamp panel.
Specifically, according to the alignment method of the pattern position precision, the size difference from the bead pad pattern to the forming edge (the forming edge is formed after the process edge is milled off) is calculated scientifically, compensation processing is carried out on the bead pad to the forming edge (the compensation aims to enable the distance from the pad of the LED bead to the forming edge to be consistent), and the position precision is improved.
Preferably, each optical point is 5mm away from the end of the technical edge on which the optical point is located.
Each of the optical dots is a copper metal dot.
In this embodiment, each optical point is circular, and the periphery is provided with an annular window.
Specifically, the diameter of each optical point is 1mm, and the diameter of the outer circle of the annular window is 2 mm.
According to the novel LED lamp panel alignment processing method provided by the embodiment of the invention, the positioning precision is improved by increasing the optical points on the process edge and increasing the optical points on the process edge, so that the distances from the welding pads of the LED lamp beads to the forming edge are consistent, and the display effect after the LED lamp beads are installed is ensured.
The above embodiments are merely to illustrate the technical solutions of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A novel LED lamp panel alignment processing method is characterized by comprising the following steps:
manufacturing three optical points on two symmetrical process edges of the LED lamp panel, wherein the three optical points are in a right-angled triangle shape, two optical points are located at two ends of one process edge, and the other optical points are located at one end of the other process edge;
when a CCD milling machine is processed, the optical point is grabbed through a CCD lens, and the expansion and contraction values are measured in an automatic alignment mode;
and compensating the position of the welding disc of the lamp bead to the forming edge by the expansion and contraction value so as to realize accurate positioning and processing of the LED lamp panel.
2. The novel LED lamp panel alignment processing method according to claim 1, wherein the distance between each optical point and the end of the technical edge where the optical point is located is 5 mm.
3. The novel LED lamp panel alignment processing method according to claim 1, wherein each optical point is a copper metal point.
4. The novel LED lamp panel alignment processing method according to claim 1, wherein each optical point is circular, and an annular window is formed in the periphery of each optical point.
5. The novel LED lamp panel alignment processing method according to claim 4, wherein the diameter of each optical point is 1mm, and the diameter of the outer circle of the annular window is 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123932.0A CN111295050A (en) | 2020-02-27 | 2020-02-27 | Novel LED lamp panel alignment processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123932.0A CN111295050A (en) | 2020-02-27 | 2020-02-27 | Novel LED lamp panel alignment processing method |
Publications (1)
| Publication Number | Publication Date |
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| CN111295050A true CN111295050A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010123932.0A Pending CN111295050A (en) | 2020-02-27 | 2020-02-27 | Novel LED lamp panel alignment processing method |
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| CN202143302U (en) * | 2011-07-13 | 2012-02-08 | 龚晓刚 | PCB jointed board |
| CN102858096A (en) * | 2012-09-12 | 2013-01-02 | 梁锦贤 | Method and device for SMT (surface mount technology) preprocessing of POP (package on package) devices |
| CN202738277U (en) * | 2012-09-12 | 2013-02-13 | 梁锦贤 | SMT preprocessing device for POP package |
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Application publication date: 20200616 |