CN114799388A - Horizontal welding process for bridging flexible lamp strip - Google Patents
Horizontal welding process for bridging flexible lamp strip Download PDFInfo
- Publication number
- CN114799388A CN114799388A CN202210397525.8A CN202210397525A CN114799388A CN 114799388 A CN114799388 A CN 114799388A CN 202210397525 A CN202210397525 A CN 202210397525A CN 114799388 A CN114799388 A CN 114799388A
- Authority
- CN
- China
- Prior art keywords
- conductive connecting
- flexible circuit
- connecting piece
- flexible
- lamp strip
- 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.)
- Withdrawn
Links
- 238000003466 welding Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 40
- 229910000679 solder Inorganic materials 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 239000003292 glue Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005476 soldering Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combinations Of Printed Boards (AREA)
Abstract
The invention discloses a horizontal welding process for bridging a flexible lamp strip, which comprises the following steps: obtaining a flexible circuit board and a metal conductive connecting piece with a plurality of conductive connecting pieces by processing; grabbing at least two flexible circuit boards, and aligning bonding pads of the two flexible circuit boards; respectively connecting two conductive connecting sheets of the metal conductive connecting piece with the positive and negative electrodes of the two flexible circuit boards with the aligned bonding pads; removing redundant rim charge of the metal conductive connecting piece, and disconnecting the two conductive connecting pieces completing the circuit connection; the invention provides a horizontal welding process for bridging a flexible lamp strip, and aims to ensure the height consistency of the lamp strip and improve the welding strength and the welding efficiency.
Description
Technical Field
The application relates to the technical field of lamp strip welding, in particular to a horizontal welding process for bridging a flexible lamp strip.
Background
The flexible lamp strip is an electronic product which is provided with an LED component on an FPC (flexible printed circuit) and takes luminescence as a main work function; the flexible lamp strip is very widely applied, a long flexible lamp strip is needed in some places, and a plurality of flexible lamp strips are welded end to end in the prior art, so that the long flexible lamp strip electrically connected is obtained.
At present, two circuit board welding pad positions are generally adopted to be connected in an overlapping mode through soldering tin to ensure welding strength. As shown in fig. 1 and 2, the height of the lamp strip is inconsistent due to the overlapping soldering connection at the position of the lamp strip bonding pad, the glue dripping waterproof process glue has the leveling characteristic, and the positive and negative heights of the lamp bead and the glue are inconsistent, so that the color is inconsistent when the glue covers the lamp, and the height of the glue of the lamp bead close to the connecting bonding pad is inconsistent when the lamp is not covered;
a small part of the lamp strip is butted by parallel level soldering tin of the lamp strip, so that the lamp strip is ensured to be flat. As shown in fig. 3 and 4, but the tensile force and bending resistance of the weld are poor.
And the two modes are single welding, so that the efficiency is low, the process consistency cannot be ensured, and the condition of mass production is not met.
Disclosure of Invention
The invention mainly aims at the problems and provides a horizontal welding process for bridging a flexible lamp strip, aiming at ensuring the height consistency of the lamp strip and improving the welding strength and the welding efficiency.
In order to achieve the purpose, the invention provides a horizontal welding process for bridging a flexible lamp strip, which comprises the following steps:
obtaining a flexible circuit board and a metal conductive connecting piece with a plurality of conductive connecting pieces by processing;
grabbing at least two flexible circuit boards, and aligning bonding pads of the two flexible circuit boards;
respectively connecting two conductive connecting sheets of the metal conductive connecting piece with the positive and negative electrodes of the two flexible circuit boards with the aligned bonding pads;
and removing redundant rim charge of the metal conductive connecting piece, and disconnecting the two conductive connecting pieces completing the circuit connection.
Further, the disconnecting of the two conductive sheets completing the circuit connection includes: and (4) cutting off redundant rim charge of the metal connecting piece along the pre-breaking line position by using an auxiliary tool.
Furthermore, the connection mode of the metal conductive connecting sheet and the flexible circuit board comprises solder paste dissolving welding or traditional solder wire welding.
Further, after the pads of the two flexible circuit boards are aligned, the method further comprises the following steps: solder paste is added to the pads to be soldered through a standard steel mesh.
Furthermore, before welding, the method also comprises the step of grabbing the metal conductive connecting piece to enable the conductive connecting piece of the metal conductive connecting piece to correspond to the position of the welding pad of the flexible circuit board to be welded.
In order to achieve the purpose, the invention provides a metal conductive connecting piece which comprises a plurality of conductive connecting pieces and an edge material which is integrally formed with the conductive connecting pieces and is positioned at the tail ends of the conductive connecting pieces, wherein the conductive connecting pieces are arranged at intervals, and the distance between every two adjacent conductive connecting pieces is consistent with the distance between the bonding pads of the flexible lamp strip to be welded.
Furthermore, the quantity of rim charge is two sets of, is located the both ends of a plurality of electrically conductive connection pieces respectively.
Further, the conductive connecting sheet is connected with the rim charge through a pre-breaking part.
Further, the width of the pre-breaking part is smaller than that of the conductive connecting sheet.
In order to achieve the above object, the present invention further provides a flexible light strip, which includes a metal conductive connecting member and at least two light strips, wherein the two light strips are butted with each other with respect to the two bonding pads, the metal conductive connecting member is spanned at the bonding pads of the two light strips, and the two conductive connecting pieces of the metal conductive connecting member are respectively welded with the positive electrode and the negative electrode of the light strips.
Furthermore, the two conductive connecting sheets are connected with the positive electrode and the negative electrode of the lamp strip through solder paste.
Compared with the prior art, the flexible lamp strip bridging horizontal welding process provided by the invention has the advantages that lamp strip bonding pads are horizontally aligned, the appearance of the metal conductive connecting piece is manufactured by machining, the metal conductive connecting piece with the interval close to or the same as that of the welding bonding pads is obtained, bridging strengthening treatment is carried out on splicing of the flexible lamp strip, and the tensile force and the anti-bending capacity of the welding position of the lamp strip are improved; the efficiency of putting the connecting piece can be improved through obtaining a plurality of electrically conductive connection pieces that need to weld the same or close of flexible lamp area pad interval, and the welding in a plurality of lamp areas can be accomplished once in single operation.
Drawings
Fig. 1 is a side view of a tape land position overlap welding in the prior art.
Fig. 2 is an explosion structure diagram of overlap welding of a lamp tape pad in the prior art.
Fig. 3 is a side view of a lamp strip in flush solder joint in the prior art.
Fig. 4 is an explosion structure diagram of lamp strip parallel and level soldering butt joint in the prior art.
Fig. 5 is a side view of a flexible light strip bridging horizontal weld disclosed herein.
Fig. 6 is a schematic view of a flexible light strip bridging horizontal welding explosion structure disclosed in the present application.
Fig. 7 is a perspective view of a finished flexible light strip disclosed in the present application.
Fig. 8 is a partial enlarged structural view at II in fig. 7.
Fig. 9 is a schematic structural diagram of a metal conductive connection member disclosed in the present application.
Fig. 10 is a schematic perspective view of a metal conductive connection member disclosed in the present application, broken along a pre-breaking line.
Reference numerals shown in the drawings: 1. welding spots; 2. a first flexible circuit board; 3. a second flexible circuit board; 4. tin paste; 5. a metal conductive connector; 50. a conductive connecting sheet; 51. leftover materials; 52. a pre-breaking part.
Detailed Description
The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An embodiment of the present invention will be described in detail below with reference to fig. 5 to 10, which includes the following steps:
the method comprises the following steps: obtaining a flexible circuit board by processing and obtaining a metal conductive connecting piece 5 with a plurality of conductive connecting pieces 50;
processing to obtain a first flexible circuit board 2, a second flexible circuit board 3, a third flexible circuit board … … and a metal conductive connecting piece 5 with preset specifications, wherein the obtained metal conductive connecting piece 5 is provided with a plurality of conductive connecting pieces 50 and an edge material 51 for connecting the plurality of conductive connecting pieces 50 into a whole, every two conductive connecting pieces 50 are in a group and used as connecting members of a positive electrode and a negative electrode, and the distance between every two conductive connecting pieces 50 is the same as or approximately close to the distance between positions of pads to be welded of the flexible circuit boards, namely when the welding of the plurality of flexible circuit boards is finished at one time, the accuracy of the welding positions of the flexible circuit boards can be ensured; the metal conductive connecting piece 5 is a sheet structure and can be formed by stamping in an integrated forming mode.
Step two: grabbing at least two flexible circuit boards, and aligning bonding pads of the two flexible circuit boards;
taking the first flexible circuit board 2 and the second flexible circuit board 3 as an example, in the welding area, the end-to-end welding pads of the first flexible circuit board 2 and the second flexible circuit board 3 are horizontally aligned for positioning and fixing, so that the position deviation is prevented.
Step three: respectively connecting two conductive connecting sheets 50 of the metal conductive connecting piece 5 with the positive and negative electrodes of the two flexible circuit boards with the aligned welding discs;
the metal conductive connecting piece 5 is placed at a bonding pad position, so that the conductive connecting pieces 50 respectively correspond to the positive electrode and the negative electrode of the first flexible circuit board 2 and the second flexible circuit board 3 … … and are connected into a whole, the two bridged flexible circuit boards form a conductive circuit, the connection mode of the conductive connecting pieces 50 and the flexible circuit boards comprises metal welding such as tin paste dissolving welding or traditional tin wire welding, taking tin paste dissolving welding as an example, tin paste 4 can be added at the bonding pad position of one or more aligned flexible circuit boards or the position where the conductive connecting pieces 50 are connected with the bonding pads, lap joint is completed, and then heating, melting and cooling are performed to connect the flexible circuit boards into a whole.
Step four: and removing the redundant rim charge 51 of the metal conductive connecting piece 5 to disconnect the two conductive connecting sheets 50 which are connected with the circuit.
And removing the edge materials 51 by using an auxiliary tool or a manual breaking mode along the direction of the pre-breaking line X shown in the figures 8 and 9 to finish the bridging horizontal welding of the flexible circuit board.
In the steps, because the bonding pads of the flexible circuit board are horizontally aligned, the appearance of the metal conductive connecting piece 5 is manufactured by machining, the metal conductive connecting piece 5 with the distance close to or the same as that of the welding bonding pads is obtained, bridging and reinforcing treatment is carried out on the splicing of the flexible circuit board, and the tensile force and the anti-bending capability of the welding position of the flexible circuit board are improved; through obtaining a plurality of with need to weld the electrically conductive connection piece 50 that flexible lamp area pad interval is the same or is close, can improve the efficiency of putting the connecting piece, the welding of many flexible line way boards can be accomplished once to single operation.
In the third step, the adding mode of the solder paste 4 comprises the following steps: solder paste 4 is added from a standard steel mesh to the pad locations to be soldered.
By adopting the welding mode, the horizontal height error of the components and parts welded by the flexible circuit board is greatly reduced, the positive and negative errors of the heights of the lamp beads and the glue can be reduced in the glue dripping waterproof process, the consistency of products is improved, and the lamp panel welding can be completed by using solder paste to dissolve and weld the components and parts when reflow soldering is passed, so that the production process is reduced, and the distance between the welding spot 1 of the flexible circuit board and the lamp beads at other positions can be ensured to be consistent after welding because the flexible circuit board is not required to be overlapped for the required length when the high-density flexible circuit board is welded.
The structure of a metal conductive connector 5 according to the present invention is described in detail with reference to fig. 9, which includes a plurality of conductive connection pads 50, and a rim material 51 integrally formed with the plurality of conductive connection pads 50 and located at the end of the conductive connection pads 50, wherein the plurality of conductive connection pads 50 are spaced apart from each other, and the distance between two adjacent conductive connection pads 50 is the same as the pad distance of the flexible strip to be welded.
In the above embodiment, a plurality of conductive connection pieces 50 are integrated on the rim charge 51, and the butt joint of the conductive connection pieces 50 can be completed only by placing a single metal conductive connecting piece 5, so that the efficiency of placing the conductive connection pieces 50 as connecting pieces is improved, large-batch synchronous welding is facilitated, and the consistency is ensured.
Preferably, the two groups of the edge materials 51 are respectively located at two ends of the plurality of conductive connecting sheets 50.
Preferably, the conductive connecting sheet 50 and the rim charge 51 are connected by a pre-cut portion 52, and the width of the pre-cut portion 52 is smaller than that of the conductive connecting sheet 50, so that the conductive connecting sheet can be manually broken or cut off by using an auxiliary tool.
An embodiment of a flexible light strip according to the present invention is specifically described below, please refer to fig. 5-10, which includes a metal conductive connector 5 having the above structure and at least two light strips (i.e., a first flexible circuit board 2 and a second flexible circuit board 3), where the two light strips are horizontally butted against two pads, the metal conductive connector 5 is disposed across the two pads of the light strips, and two conductive connection pads 50 of the metal conductive connector 5 are respectively welded to the positive electrode and the negative electrode of the light strips.
From a reading of the foregoing detailed description, it will be appreciated by those skilled in the art that the invention can be readily implemented. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the embodiments disclosed, a person skilled in the art can combine different features at will, so as to implement different solutions, and can combine different forms of additional functions to form other solutions. The scope of protection of the present application is therefore intended to be limited solely by the scope of the appended claims.
The present invention has been described in terms of specific examples, which are provided to aid in understanding the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (5)
1. The flexible lamp strip bridging horizontal welding process is characterized by comprising the following steps of:
obtaining a flexible circuit board and a metal conductive connecting piece with a plurality of conductive connecting pieces by processing;
grabbing at least two flexible circuit boards, and aligning bonding pads of the two flexible circuit boards;
respectively connecting two conductive connecting sheets of the metal conductive connecting piece with the positive and negative electrodes of the two flexible circuit boards with the aligned bonding pads;
and removing redundant rim charge of the metal conductive connecting piece, and disconnecting the two conductive connecting pieces completing the circuit connection.
2. The horizontal welding process of claim 1, wherein the step of disconnecting the two conductive strips for completing the circuit connection comprises: and (4) cutting off redundant rim charge of the metal connecting piece along the pre-breaking line position by using an auxiliary tool.
3. The flexible lamp strip bridging horizontal welding process of claim 1, wherein the connection of the metal conductive connecting sheet and the flexible circuit board comprises solder paste solution welding or conventional solder wire welding.
4. The flexible lamp strip bridging horizontal welding process of claim 3, wherein after the pads of the two flexible circuit boards are aligned, the process further comprises: solder paste is added to the pads to be soldered through a standard steel mesh.
5. A horizontal welding process for a flexible lamp strip with a bridge as claimed in any one of claims 1 to 4, wherein before welding, the welding process further comprises grabbing the metal conductive connecting piece to make the conductive connecting piece of the metal conductive connecting piece correspond to the position of the bonding pad of the flexible circuit board to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210397525.8A CN114799388A (en) | 2022-04-15 | 2022-04-15 | Horizontal welding process for bridging flexible lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210397525.8A CN114799388A (en) | 2022-04-15 | 2022-04-15 | Horizontal welding process for bridging flexible lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114799388A true CN114799388A (en) | 2022-07-29 |
Family
ID=82536885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210397525.8A Withdrawn CN114799388A (en) | 2022-04-15 | 2022-04-15 | Horizontal welding process for bridging flexible lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114799388A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203443981U (en) * | 2013-08-30 | 2014-02-19 | 同扬光电（江苏）有限公司 | Switching device used for flexible printed circuit board circuit detection |
| CN108649409A (en) * | 2018-04-28 | 2018-10-12 | 深圳市益科光电技术有限公司 | A kind of the substrate connection technique and substrate assembly of LED automobile headlamp |
| CN110030507A (en) * | 2018-01-06 | 2019-07-19 | 王定锋 | A kind of wire circuit plate LED light strip and preparation method thereof |
| CN210004193U (en) * | 2019-03-19 | 2020-01-31 | 铜陵睿变电路科技有限公司 | LED fishplate bar long lamp belt |
| CN210624232U (en) * | 2019-11-14 | 2020-05-26 | 深圳市欣上科技有限公司 | Laminated board spliced facula-free flexible lamp strip substrate |
| CN112066288A (en) * | 2019-06-10 | 2020-12-11 | 铜陵国展电子有限公司 | Long lamp strip formed by welding short lamp strips end to end and plate connecting method thereof |
| CN112153808A (en) * | 2019-06-10 | 2020-12-29 | 铜陵国展电子有限公司 | Circuit board with flat cable for enhanced connection and connection method thereof |
| CN112576962A (en) * | 2019-09-27 | 2021-03-30 | 王定锋 | Thick metal LED long lamp strip and manufacturing method |
| CN213930521U (en) * | 2021-01-13 | 2021-08-10 | 深圳市威尔晟光电有限公司 | Constant-current flexible lamp strip with flip LED chip |
-
2022
- 2022-04-15 CN CN202210397525.8A patent/CN114799388A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203443981U (en) * | 2013-08-30 | 2014-02-19 | 同扬光电（江苏）有限公司 | Switching device used for flexible printed circuit board circuit detection |
| CN110030507A (en) * | 2018-01-06 | 2019-07-19 | 王定锋 | A kind of wire circuit plate LED light strip and preparation method thereof |
| CN108649409A (en) * | 2018-04-28 | 2018-10-12 | 深圳市益科光电技术有限公司 | A kind of the substrate connection technique and substrate assembly of LED automobile headlamp |
| CN210004193U (en) * | 2019-03-19 | 2020-01-31 | 铜陵睿变电路科技有限公司 | LED fishplate bar long lamp belt |
| CN112066288A (en) * | 2019-06-10 | 2020-12-11 | 铜陵国展电子有限公司 | Long lamp strip formed by welding short lamp strips end to end and plate connecting method thereof |
| CN112153808A (en) * | 2019-06-10 | 2020-12-29 | 铜陵国展电子有限公司 | Circuit board with flat cable for enhanced connection and connection method thereof |
| CN112576962A (en) * | 2019-09-27 | 2021-03-30 | 王定锋 | Thick metal LED long lamp strip and manufacturing method |
| CN210624232U (en) * | 2019-11-14 | 2020-05-26 | 深圳市欣上科技有限公司 | Laminated board spliced facula-free flexible lamp strip substrate |
| CN213930521U (en) * | 2021-01-13 | 2021-08-10 | 深圳市威尔晟光电有限公司 | Constant-current flexible lamp strip with flip LED chip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6830176B2 (en) | System and method for repairing flex circuits | |
| EP0907308A1 (en) | Method for mounting terminal on circuit board and circuit board | |
| CN216896919U (en) | Metal conductive connecting piece and flexible lamp strip | |
| CN114799388A (en) | Horizontal welding process for bridging flexible lamp strip | |
| WO2020255878A1 (en) | Connection structure of flexible substrate and bus bar, wiring module and electricity storage module | |
| KR20040083535A (en) | Solder interconnections for flat circuits | |
| CN210004193U (en) | LED fishplate bar long lamp belt | |
| JPH0444440B2 (en) | ||
| CN216451598U (en) | SMD (surface mounted device) element welding structure for circuit board | |
| WO2021057320A1 (en) | Thick-metal led long lamp strip and manufacturing method | |
| CN108848628B (en) | Manufacturing method and assembling jig for LED lamp strip screen | |
| CN112135436A (en) | Double-sided synchronous welding method of printed circuit board and printed circuit board assembly | |
| CN210462582U (en) | Butt joint structure in COB lamp area | |
| CN211930976U (en) | FPC butt-joint structure | |
| JPH06296073A (en) | Flexible printed board | |
| CN214256741U (en) | Can be used for solving line and line welding efficiency's circuit board | |
| CN218676365U (en) | Novel connecting assembly of flexible display screen | |
| CN220782518U (en) | Welding head structure and welding device | |
| CN219698369U (en) | Welding connector and dual-mode differential pressure sensor | |
| CN218273891U (en) | Screen body splicing structure of transparent LED display screen | |
| CN113645758B (en) | Flexible circuit board, manufacturing method thereof and display device | |
| JP3321660B2 (en) | Board structure with terminal strip | |
| CN210296652U (en) | A novel binding post for windshield behind car | |
| CN212519859U (en) | Weldable conductive foam | |
| CN220383310U (en) | FPC and aluminium bar direct welding structure covered with connecting sheet and CCS wire harness isolation plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220729 |
|
| WW01 | Invention patent application withdrawn after publication |