CN109673102B - Printed circuit board and display panel thereof - Google Patents
Printed circuit board and display panel thereof Download PDFInfo
- Publication number
- CN109673102B CN109673102B CN201811553833.5A CN201811553833A CN109673102B CN 109673102 B CN109673102 B CN 109673102B CN 201811553833 A CN201811553833 A CN 201811553833A CN 109673102 B CN109673102 B CN 109673102B
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- metal strip
- signal area
- metal
- length
- circuit board
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The present application discloses a printed wiring board, comprising: the golden finger comprises a signal area and a non-signal area, the signal area is used for transmitting signals, the non-signal area is arranged adjacent to the signal area, the signal area is provided with a plurality of first metal strips, the non-signal area is provided with a plurality of grounded second metal strips, and the length of each first metal strip is greater than that of each second metal section. The application also discloses a display panel. The utility model provides a non-signal area is provided with the second metal strip of ground connection, through the length that shortens the second metal strip for the length of second metal strip is less than the length of first metal strip, avoids second metal strip overlength time gilding to lead to the extravagant problem of cost.
Description
Technical Field
The application relates to the technical field of display panels, in particular to a printed circuit board and a display panel thereof.
Background
The statements herein merely provide background information related to the present application and may not necessarily constitute prior art. In order to electrically connect a PCB (printed circuit board) to other electronic devices such as a main board, it is generally necessary to form gold fingers serving as electrical connection pins on the PCB. The golden finger of the PCB is a common PCB connection mode, and the electric connection between the electronic equipment is realized through the mutual matching of the golden finger and the corresponding golden finger connector. In the prior art, the gold finger area is usually subjected to gold plating treatment, which results in increased cost in the PCB manufacturing process.
Disclosure of Invention
The present application provides a printed circuit board, which aims to solve the problem of saving the manufacturing cost of the printed circuit board.
To achieve the above object, the present application provides a printed wiring board, characterized by comprising: the golden finger, the golden finger includes signal area and non-signal area, the signal area is used for transmitting the signal, non-signal area with the signal area is adjacent to be set up, the signal area is equipped with a plurality of first metal strips, non-signal area is equipped with the second metal strip of a plurality of ground connections, the length of first metal strip is greater than the length of second metal strip.
Optionally, the second metal strip has two opposite ends, and one end of the second metal strip is flush with the end of the first metal strip.
Optionally, the second metal strip includes a plurality of sub-metal strips, and two adjacent sub-metal strips are arranged at intervals along the length direction.
Optionally, both ends of the second metal strip are flush with the end of the first metal strip, the second metal strip is provided with a plurality of metal sections, and the adjacent two metal sections are arranged at intervals along the length direction.
Optionally, the second metal strip is provided with two metal sections, and the two metal sections are symmetrically arranged relative to the center of the second metal strip.
Optionally, the length of the second metal strip is greater than or equal to one third of the length of the first metal strip.
Optionally, the signal region and the non-signal region are arranged at an interval.
Optionally, a distance between two adjacent second metal strips is less than or equal to a width of the second metal strip.
In addition, in order to achieve the above object, the present application further provides a display panel, where the display panel includes a panel, a chip on film, and a printed circuit board, the panel is connected to the printed circuit board through the chip on film, and the printed circuit board includes: the golden finger comprises a signal area and a non-signal area, the signal area is used for transmitting signals, the non-signal area is arranged adjacent to the signal area, the signal area is provided with a plurality of grounded first metal strips, the non-signal area is provided with a plurality of second metal strips, and the length of each first metal strip is greater than that of each second metal segment.
Optionally, the chip on film is connected to the printed circuit board through a conductive adhesive.
According to the printed circuit board and the display panel provided by the embodiment of the application, the second metal strip is connected with the ground, and the length of the second metal strip is set to be smaller than that of the first metal strip, so that the effect of cutting the second metal strip is achieved, the problem of cost increase in a gold plating process caused by overlong second metal strip is avoided, and the production cost in the manufacturing process of the printed circuit board is reduced conveniently.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a printed wiring board of the present application;
FIG. 2 is a schematic structural diagram of a second embodiment of a printed wiring board of the present application;
fig. 3 is a schematic structural diagram of a display panel according to the present application.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Printed |
110 | Signal area |
| 111 | A |
120 | |
| 121 | |
20 | Chip on |
| 30 | Panel board |
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
It should be noted that if directional indications (such as up, down, left, right, front, back, horizontal, and vertical … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The application provides a printed circuit board 10, shortens the second metal strip 121 that meets with ground for the length of second metal strip 121 is less than the length of first metal strip 111, reduces the length of second metal strip 121, thereby saves the cost of second metal strip 121 gilding, reduces the cost of manufacture of printed circuit board 10.
Referring to fig. 1-3, the present application proposes a printed wiring board 10, the printed wiring board 10 including: the golden finger (not labeled in the figure) comprises a signal area 110 and a non-signal area 120, wherein the signal area 110 is used for transmitting signals, the non-signal area 120 is arranged adjacent to the signal area 110, the signal area 110 is provided with a plurality of first metal strips 111, the non-signal area 120 is provided with a plurality of second metal strips 121 which are grounded, and the length of the first metal strips 111 is greater than that of the second metal strips 121.
Specifically, in the process of designing a display panel driving circuit, the printed circuit board 10 is an indispensable component, and in the process of manufacturing the printed circuit board 10, gold plating is performed on a copper area partially exposed to the outside to form a gold finger, where the gold finger includes a signal area 110 and a non-signal area 120, where the signal area 110 is used for transmitting signals, the printed circuit board 10 is in signal connection with a component through the signal area 110, and the signal area 110 is disposed adjacent to the non-signal area 120, it can be understood that, when a plurality of signal areas 110 exist in the printed circuit board 10, the signal area 110 is disposed at an interval from the non-signal area 120, so that the printed circuit board 10 is in signal connection with the external component. The non-signal area 120 is provided with a plurality of grounded second metal strips 121, no signal is transmitted on the grounded second metal strips 121, the signal area 110 is provided with a plurality of first metal strips 111, the plurality of first metal strips 111 are arranged at intervals, the plurality of second metal strips 121 are arranged at intervals, the plurality of first metal strips 111 and the plurality of second metal strips 121 are arranged at the same end of the printed circuit board 10, and the first metal strips 111 and the second metal strips 121 are arranged along the same direction. In order to save the manufacturing cost of the printed circuit board 10, the length of the second metal strip 121 is reduced, and the length of the second metal strip 121 can be reduced by adopting a digging or cutting mode to reduce the length of the second metal strip 121, so that the length of the first metal strip 111 is greater than that of the second metal strip 121, the gold consumption of the second metal strip 121 in the gold plating process is reduced, and the manufacturing cost of the printed circuit board 10 is achieved.
In the solution provided in this embodiment, the gold finger includes a non-signal area 120, the non-signal area 120 includes a plurality of second metal strips 121 connected to ground, and the second metal strips 121 are processed by digging or cutting, so that the length of the first metal strip 111 is greater than the length of the second metal strip 121, which is convenient for reducing the gold consumption of the second metal strip 121 in the gold plating process, and the cost of manufacturing the printed circuit board 10 is saved.
With reference to fig. 2, optionally, the second metal strip 121 has two opposite ends, and one end of the second metal strip 121 is flush with the end of the first metal strip 111. In this application, the second metal strip 121 has two opposite ends, one end of the second metal strip 121 is flush with the end of the first metal strip 111, and the other end of the second metal strip 121 is shorter than the end corresponding to the first metal strip 111, so as to achieve the effect that the length of the first metal strip 111 is greater than the length of the second metal strip 121, thereby saving the gold plating cost of the second metal strip 121, meanwhile, because one end of the second metal strip 121 is flush with the end of the first metal strip 111, the first metal strip 111 and the second metal strip 121 are on the same horizontal plane, when the first metal strip 111 needs to be connected with a component, a tool bit is required to press the first metal strip 111, and under the action of the second metal strip 121, the first metal strip 111 is conveniently connected with an external component under the action of the tool bit. Optionally, the second metal strip 121 includes a plurality of sub-metal strips (not shown), and two adjacent sub-metal strips are spaced apart from each other along the length direction. A plurality of total length of sub-metal strip is less than the length of first metal strip 111, in this application, it is a plurality of along the length direction interval setting of second metal strip 121 between the sub-metal strip, be convenient for continue to reduce the cost of manufacture of printed circuit board 10 is saved to the length of second metal strip 121, is convenient for simultaneously first metal strip 111 links to each other with spare part under the effect of tool bit.
With reference to fig. 1, optionally, both ends of the second metal strip 121 are flush with the end of the first metal strip 111, the second metal strip 121 is provided with a plurality of metal segments (not labeled in the figure), and two adjacent metal segments are arranged at intervals along the length direction. In this application, second metal strip 121 is equipped with a plurality of metal sections, the both ends of second metal strip 121 all with the tip of first metal strip 111 flushes, and is a plurality of the interval sets up between the metal section, and is a plurality of the metal section is followed the length direction of second metal strip 121 sets up, and is a plurality of the total length of metal section is less than the length of first metal strip 111 is saved the gilding cost of second metal strip 121, the tool bit of being convenient for extrudes first metal strip 111 so that first metal strip 111 is glued together with the external part. Optionally, the second metal strip 121 is provided with two metal segments, and the two metal segments are symmetrically arranged with respect to the center of the second metal strip 121. In this application, second metal strip 121 is equipped with two the metal section, two the metal section is relative the central symmetry of second metal strip 121 sets up, wherein, the center of symmetry of second metal strip 121 with the center of symmetry of first metal strip 111 sets up on same water flat line, two the both ends that the metal section was carried on the back mutually with the both ends of first metal strip 111 flush respectively, two leave blank section between the metal section, the tool bit of being convenient for will first metal strip 111 and other part communication connection. Optionally, the length of the second metal strip 121 is greater than or equal to one third of the length of the first metal strip 111. The printed circuit board 10 needs to be provided with a second metal strip 121 to ensure that the printed circuit board 10 works normally, in this application, the length of the second metal strip 121 is two thirds of the length of the first metal strip 111, and the length of the metal segment is one third of the length of the first metal strip 111, so as to facilitate signal connection of other parts of the printed circuit board 10.
Optionally, a distance between two adjacent second metal strips 121 is less than or equal to a width of the second metal strips 121. In the present application, the distance between two adjacent second metal strips 121 is equal to the width of the second metal strips 121, so that the number of the second metal strips 121 required for the printed circuit board 10 with the same specification is reduced, thereby achieving the purpose of saving the gold plating cost of the printed circuit board 10.
Based on the printed wiring board 10 described above, an embodiment of the display panel of the present application is proposed.
With reference to fig. 1, the present application provides a display panel, which includes a panel 30, a flip-chip film 20, and a printed circuit board 10, wherein the panel is connected to the printed circuit board 10 through the flip-chip film 20, and the printed circuit board 10 includes: the golden finger comprises a signal area 110 and a non-signal area 120, wherein the signal area 110 is used for transmitting signals, the non-signal area 120 is arranged adjacent to the signal area 110, the signal area 110 is provided with a plurality of grounded first metal strips 111, the non-signal area 120 is provided with a plurality of second metal strips 121, and the length of each first metal strip 111 is greater than that of each second metal segment. In this application, the panel 30 is connected to the signal area 110 of the printed circuit board 10 through the flip-chip film 20, so as to achieve the effect of communication between the panel 30 and the printed circuit board 10. The width of the signal area 110 is greater than the width of the chip on film 20. Optionally, the flip-chip film 20 is connected to the printed wiring board 10 by a conductive adhesive. In this application, the flip-chip film 20 and the printed circuit board 10 are connected together by a conductive adhesive, the conductive adhesive is an anisotropic conductive adhesive, the conductive adhesive is coated on the signal area 110, and then the flip-chip film 20 is placed at a position corresponding to the signal area 110 and pressed down by a tool tip, so as to connect the flip-chip film 20 and the printed circuit board 10 together.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present application or those directly or indirectly applied to other related arts are included in the scope of the present application.
Claims (10)
1. A printed wiring board, characterized in that the printed wiring board comprises:
the golden finger, the golden finger includes signal area and non-signal area, the signal area is used for transmitting the signal, non-signal area with the signal area is adjacent to be set up, the signal area is equipped with a plurality of first metal strips, non-signal area is equipped with the second metal strip of a plurality of ground connections, the length of first metal strip is greater than the length of second metal strip.
2. The printed wiring board of claim 1, wherein the second metal strip has opposite ends, one of the ends of the second metal strip being flush with the end of the first metal strip.
3. The printed wiring board of claim 2, wherein said second metal strip comprises a plurality of sub-metal strips, and adjacent sub-metal strips are spaced apart from each other along the length direction.
4. The printed wiring board of claim 1, wherein both ends of said second metal strip are flush with the ends of said first metal strip, said second metal strip having a plurality of metal segments, and two adjacent metal segments are spaced apart along the length direction.
5. The printed wiring board of claim 4, wherein said second metal strip has two of said metal segments symmetrically disposed about a center of said second metal strip.
6. The printed wiring board of any of claims 1-5, wherein the length of the second metal strip is equal to or greater than one third of the length of the first metal strip.
7. The printed wiring board of claim 1, wherein said signal area is spaced apart from said non-signal area.
8. The printed wiring board of claim 1, wherein the spacing between two adjacent second metal strips is less than or equal to the width of the second metal strips.
9. A display panel, comprising a panel, a chip on film, and a printed circuit board, wherein the panel is connected to the printed circuit board through the chip on film, and the printed circuit board comprises:
the golden finger comprises a signal area and a non-signal area, the signal area is used for transmitting signals, the non-signal area is arranged adjacent to the signal area, the signal area is provided with a plurality of grounded first metal strips, the non-signal area is provided with a plurality of second metal strips, and the length of each first metal strip is greater than that of each second metal segment.
10. The display panel of claim 9, wherein the flip-chip film is connected to the printed wiring board by a conductive paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553833.5A CN109673102B (en) | 2018-12-19 | 2018-12-19 | Printed circuit board and display panel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553833.5A CN109673102B (en) | 2018-12-19 | 2018-12-19 | Printed circuit board and display panel thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109673102A CN109673102A (en) | 2019-04-23 |
| CN109673102B true CN109673102B (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811553833.5A Active CN109673102B (en) | 2018-12-19 | 2018-12-19 | Printed circuit board and display panel thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001127580A (en) * | 1999-10-29 | 2001-05-11 | Kyocera Corp | Surface acoustic wave device |
| JP2002215059A (en) * | 2001-01-18 | 2002-07-31 | Seiko Epson Corp | Electrooptical device |
| CN102437830A (en) * | 2010-09-17 | 2012-05-02 | 日本电波工业株式会社 | Elastic wave device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008112642A (en) * | 2006-10-30 | 2008-05-15 | Sony Corp | Electronic apparatus, short circuit detection/power supply shutdown method, and mounting structure |
| CN102131342B (en) * | 2011-03-01 | 2012-07-18 | 昆山龙腾光电有限公司 | Printed circuit board and liquid crystal display device |
| CN104540314B (en) * | 2014-12-31 | 2018-01-16 | 记忆科技(深圳)有限公司 | The golden finger and golden finger connection terminal of a kind of sata interfaces |
| CN105188279B (en) * | 2015-10-22 | 2018-09-04 | 北大方正集团有限公司 | The production method for being segmented golden finger |
| CN105430892B (en) * | 2015-10-29 | 2018-10-09 | 北大方正集团有限公司 | The production method and golden finger of golden finger |
| CN106129672B (en) * | 2016-06-01 | 2019-01-08 | 华为技术有限公司 | Golden finger connector, circuit board, socket connector and its associated component and equipment |
| CN108174510A (en) * | 2017-12-29 | 2018-06-15 | 深圳欣强智创电路板有限公司 | A kind of production method of grading connecting finger and optic module PCB plate comprising the golden finger |
-
2018
- 2018-12-19 CN CN201811553833.5A patent/CN109673102B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001127580A (en) * | 1999-10-29 | 2001-05-11 | Kyocera Corp | Surface acoustic wave device |
| JP2002215059A (en) * | 2001-01-18 | 2002-07-31 | Seiko Epson Corp | Electrooptical device |
| CN102437830A (en) * | 2010-09-17 | 2012-05-02 | 日本电波工业株式会社 | Elastic wave device |
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| CN109673102A (en) | 2019-04-23 |
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