CN203934147U - The syndeton of FPC and LCD glass substrate - Google Patents
The syndeton of FPC and LCD glass substrate Download PDFInfo
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- CN203934147U CN203934147U CN201420220334.5U CN201420220334U CN203934147U CN 203934147 U CN203934147 U CN 203934147U CN 201420220334 U CN201420220334 U CN 201420220334U CN 203934147 U CN203934147 U CN 203934147U
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- glass substrate
- lcd glass
- fpc
- golden finger
- syndeton
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Abstract
The utility model embodiment discloses the syndeton of a kind of FPC and LCD glass substrate, comprises LCD glass substrate and the FPC that is crimped on LCD glass substrate, and FPC is provided with the first golden finger, and the first golden finger is pressed on the ITO layer of LCD glass substrate by conducting resinl; FPC has the first crimping limit, and the first golden finger has a back end edge, and back end edge is the side of the first golden finger away from the first crimping limit, and LED glass substrate has the second crimping limit, and the second crimping limit is that LED glass substrate is by the side of FPC crimping; The back end edge of the first golden finger and the second crimping limit have a spacing distance, and the backing material plate of FPC extends to LCD glass substrate.The syndeton of the utility model embodiment is in the time carrying out the pressing bending of FPC and LCD glass substrate, because the back end edge of the first golden finger and the second crimping limit of LCD glass substrate have a spacing distance, the folding s tress that the first golden finger is subject to is less, thereby avoid the first golden finger fracture, ensured the conducting effect of the first golden finger.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to the syndeton of FPC and LCD glass substrate.
Background technology
FPC (flexible PCB) is a kind of flexible printed circuit board with features such as distribution density is high, lightweight, thin thickness, mainly use in the multiple electronic products such as mobile phone, notebook computer, PAD (panel computer), digital camera, FPC can free bend, folding, reel, can be arbitrarily mobile or flexible at three dimensions, and perfect heat-dissipating, has been subject to application widely in recent years.
With reference to Fig. 1, the syndeton of existing FPC and LCD (liquid crystal display) glass substrate comprises LCD glass substrate 300 and is crimped on the FPC400 of LCD glass substrate 300, a part for the first golden finger 410 of FPC400 is pressed on the second golden finger 310 of LCD glass substrate 300, the back end edge 411 of the first golden finger 410 flushes or slightly protrudes from the crimping limit 301 of LCD glass substrate 300 conventionally with the crimping limit 301 of LCD glass substrate 300, in the time that FPC400 and LCD glass substrate 300 carry out pressing bending, the back end edge 411 of the first golden finger 410 is subject to larger folding s tress, the first golden finger 410 is ruptured, and then affect the conducting effect of the first golden finger 410.
Utility model content
The utility model embodiment provides the syndeton of a kind of FPC and LCD glass substrate, and its syndeton can alleviate the suffered folding s tress of FPC golden finger in FPC pressing process.
The utility model embodiment provides the syndeton of a kind of FPC and LCD glass substrate, comprise LCD glass substrate and the FPC that is crimped on described LCD glass substrate, described FPC is provided with the first golden finger, and described the first golden finger is pressed on the ITO layer of described LCD glass substrate by conducting resinl; Described FPC has the first crimping limit, described the first crimping limit is the side that described FPC is crimped on described LCD glass substrate, described the first golden finger has a back end edge, described back end edge is the side of described the first golden finger away from described the first crimping limit, described LED glass substrate has the second crimping limit, and described the second crimping limit is that described LED glass substrate is by the side of described FPC crimping; The back end edge of described the first golden finger and described the second crimping limit have a spacing distance, and the backing material plate of described FPC extends to described LCD glass substrate.
The syndeton of the utility model embodiment is in the time carrying out the pressing bending of FPC and LCD glass substrate, because the back end edge of the first golden finger and the second crimping limit of LCD glass substrate have a spacing distance, the folding s tress that the first golden finger is subject to is less, thereby avoid the first golden finger fracture, ensured the conducting effect of the first golden finger.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, to the accompanying drawing of required use in execution mode be briefly described below, apparently, accompanying drawing in the following describes is only execution modes more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the syndeton schematic diagram of existing FPC and LCD glass substrate;
Fig. 2 is the FPC of the utility model embodiment the first execution mode and the syndeton schematic diagram of LCD glass substrate;
Fig. 3 is the FPC of the utility model embodiment the second execution mode and the syndeton schematic diagram of LCD glass substrate;
Fig. 4 is the FPC of the utility model embodiment the 3rd execution mode and the syndeton schematic diagram of LCD glass substrate.
Embodiment
Below in conjunction with the accompanying drawing in the utility model execution mode, the technical scheme in the utility model execution mode is clearly and completely described.
With reference to Fig. 2, the utility model embodiment has proposed the first execution mode of the syndeton of FPC and LCD glass substrate, and the syndeton of this FPC and LCD glass substrate comprises LCD glass substrate 100 and is crimped on the FPC200 of LCD glass substrate 100.Wherein, FPC200 has 201, the first crimping limits 201, the first crimping limit and is crimped on the side of LCD glass substrate 100 for FPC200, and it is that LED glass substrate 100 is by the side of FPC200 crimping that LED glass substrate 100 has 101, the second crimping limits 101, the second crimping limit.
Further, the complete LED of being pressed on glass substrate 100, the first golden fingers 210 that FPC200 is provided with the first golden finger 210, the first golden fingers 210 are close to the first crimping limit 201 and arrange, and the first golden finger 210 comprises multiple parallel conductive contact blades of arranging.The first golden finger 210 has front end edge 211 and back end edge 212, front end edge 211 refers to that the first golden finger 210 is close to the side on the first crimping limit 201, back end edge 212 refers to the side of the first golden finger 210 away from the first crimping limit 201, and the back end edge 212 of the first golden finger 210 is positioned at straight line.The back end edge 212 of the first golden finger 210 has a spacing distance d with the second crimping limit 101 of LCD glass substrate 100.The backing material plate 220 of FPC200 extend to LCD glass substrate 100, the extension edge 221 of backing material plate 220 is a curve of cyclical fluctuations, wherein, the backing material plate 220 of FPC200 can be polyimide film (Polyimide is called for short PI) or polyester fiber film (polyester fibre).And in the syndeton of above-mentioned FPC and LCD glass substrate, the backing material plate 220 of FPC200 extend to LCD glass substrate 100.
In the first execution mode of the utility model embodiment, in the time carrying out the pressing bending of FPC200 and LCD glass substrate 100, because the back end edge 212 of the first golden finger 210 has a spacing distance d with the second crimping limit 101 of LCD glass substrate 100, the folding s tress that the first golden finger 210 is subject to is less, and not enough so that the first golden finger 210 ruptures.And; by the backing material plate of FPC200 220 is extended to LCD glass substrate 100; make in the time carrying out the pressing bending of FPC200 and LCD glass substrate 100; backing material plate 220 plays certain protective effect to the first golden finger 210, has further avoided the fracture of the first golden finger 210 in pressing process.
In the time carrying out the pressing bending of FPC200 and LCD glass substrate 100, from the front end edge 211 of the first golden finger 210 to back end edge 212, the suffered folding s tress of the first golden finger 210 is larger, the folding s tress being subject to for fear of the first golden finger 210 back end edge 212 is excessive, and the spacing distance d on the second crimping limit 101 of back end edge 212 to the LCD glass substrates 100 of the first golden finger 210 is preferably 0.5-0.9mm.More preferably, the back end edge of the first golden finger 210 to the spacing distance d on the second crimping limit 101 of LCD glass substrate 100 be 0.7mm.
Furthermore, in the first execution mode of the utility model embodiment, the extension edge 221 of backing material plate 220 is preferably a curve of cyclical fluctuations, do like this contact area that can improve backing material plate 220 and LCD glass substrate 100, and then the bonding strength of raising FPC200 and LCD glass substrate 100, the life-span of improving the syndeton of FPC and LCD glass substrate.In the first embodiment of the utility model embodiment, the extension edge 221 of backing material plate 220 is sinusoidal waveform, and in other execution mode, the extension edge 221 of backing material plate 220 can be also sawtooth waveform.
Furthermore, in the first execution mode of the utility model embodiment, the straight line at back end edge 212 places of the first golden finger 210 is crossing with the curve of cyclical fluctuations of extension edge 221, that is to say extension edge 221 the incomplete all conductive contact blades that cover the first golden finger 210 of backing material plate 220, ensured like this conductive effect of the first golden finger 210.
With reference to Fig. 3; the utility model embodiment has proposed the second execution mode of the syndeton of FPC and LCD glass substrate; the difference of the second execution mode and the first execution mode is; the extension edge 221 of backing material plate 220 extends to the first golden finger 210 completely; be all conductive contact blades that the extension edge 221 of backing material plate 220 covers the first golden finger 210 completely; make in the time carrying out the pressing bending of FPC200 and LCD glass substrate 100; backing material plate 220 forms better protective effect to the first golden finger 210, has avoided the fracture of the first golden finger 210 in pressing process.
With reference to Fig. 4; in the second embodiment of the utility model embodiment; the extension edge 221 of backing material plate 220 is a straight line; and the extension edge 221 of backing material plate 220 extends to the first golden finger 210; extension edge 221 is parallel with the back end edge 212 of the first golden finger 210; the distance of extension edge 221 to first golden fingers 210 is 0.1-0.2mm; be preferably 0.2mm; make in the time carrying out the pressing bending of FPC200 and LCD glass substrate 100; backing material plate 220 forms better protective effect to the first golden finger 210, has avoided the fracture of the first golden finger 210 in pressing process.
Referring to Fig. 2, Fig. 3 or Fig. 4, in each execution mode of the utility model embodiment, in order to improve the conducting effect of LCD glass substrate 100 and FPC200, be provided with the second golden finger 110 at the ITO of LCD glass substrate 100 layer (indium tin oxide layer), the second crimping limit 101, the first golden fingers 210 that the second golden finger 110 is positioned at LCD glass substrate 100 are pressed on the second golden finger 110.In other execution mode of the utility model embodiment, the ITO layer of LCD glass substrate 100 arranges contact wire, and the first golden finger 210 is pressed on this contact wire.Natch, the ITO layer main component of LCD glass substrate 100 is the tin indium oxides that possess electric conductivity, at the ITO of LCD glass substrate 100 layer, contact part can be set, and the first golden finger 210 is directly pressed on to the ITO layer of LCD glass substrate 100.
In each execution mode of the utility model embodiment, FPC200 can be the one in lamina, doubling plate, multi-layer sheet or double sided board.
Module or the unit of the utility model embodiment end can be integrated according to actual needs, Further Division or delete.
The module of the utility model embodiment or unit, can be with universal integrated circuit (as central processor CPU), or realizes with application-specific integrated circuit (ASIC) (ASIC).
The above is the preferred implementation of the utility model embodiment; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (10)
1. the syndeton of a FPC and LCD glass substrate, it is characterized in that, comprise LCD glass substrate and the FPC that is crimped on described LCD glass substrate, described FPC is provided with the first golden finger, and described the first golden finger is pressed on the ITO layer of described LCD glass substrate by conducting resinl;
Described FPC has the first crimping limit, described the first crimping limit is the side that described FPC is crimped on described LCD glass substrate, described the first golden finger has a back end edge, described back end edge is the side of described the first golden finger away from described the first crimping limit, described LED glass substrate has the second crimping limit, and described the second crimping limit is that described LED glass substrate is by the side of described FPC crimping;
The back end edge of described the first golden finger and described the second crimping limit have a spacing distance, and the backing material plate of described FPC extends to described LCD glass substrate.
2. the syndeton of FPC according to claim 1 and LCD glass substrate, is characterized in that, the extension edge of described backing material plate is a curve of cyclical fluctuations.
3. the syndeton of FPC according to claim 2 and LCD glass substrate, is characterized in that, the described curve of cyclical fluctuations is sawtooth waveforms or sine wave.
4. the syndeton of FPC according to claim 2 and LCD glass substrate, is characterized in that, the straight line at described the first golden finger back end edge place is crossing with the described curve of cyclical fluctuations.
5. the syndeton of FPC according to claim 1 and LCD glass substrate, is characterized in that, the extension edge of described backing material plate is straight line.
6. the syndeton of FPC according to claim 1 and LCD glass substrate, is characterized in that, described spacing distance is 0.5-0.9mm.
7. the syndeton of FPC according to claim 6 and LCD glass substrate, is characterized in that, described spacing distance is 0.7mm.
8. the syndeton of FPC according to claim 1 and LCD glass substrate, is characterized in that, the ITO layer of described LCD glass substrate is provided with the second golden finger, and described the first golden finger is pressed on described the second golden finger.
9. the syndeton of FPC according to claim 1 and LCD glass substrate, is characterized in that, the ITO layer of described LCD glass substrate is provided with contact wire, and described the first golden finger is pressed on described contact wire.
10. according to the FPC described in claim 1-9 any one and the syndeton of LCD glass substrate, it is characterized in that, described FPC is lamina, doubling plate, multi-layer sheet or double sided board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220334.5U CN203934147U (en) | 2014-04-30 | 2014-04-30 | The syndeton of FPC and LCD glass substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220334.5U CN203934147U (en) | 2014-04-30 | 2014-04-30 | The syndeton of FPC and LCD glass substrate |
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| Publication Number | Publication Date |
|---|---|
| CN203934147U true CN203934147U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220334.5U Expired - Fee Related CN203934147U (en) | 2014-04-30 | 2014-04-30 | The syndeton of FPC and LCD glass substrate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968143A (en) * | 2015-07-17 | 2015-10-07 | 武汉华星光电技术有限公司 | Method of configuring FPC (Flexible Printed Circuit) gold finger pressing pin |
| CN104968139A (en) * | 2015-06-03 | 2015-10-07 | 昆山国显光电有限公司 | FPC bonding structure |
| CN105158939A (en) * | 2015-09-14 | 2015-12-16 | 武汉华星光电技术有限公司 | Attaching method and assembly for backlight power supply welding disk and backlight golden finger |
| CN106211569A (en) * | 2016-09-06 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight golden finger structure and display device |
-
2014
- 2014-04-30 CN CN201420220334.5U patent/CN203934147U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968139A (en) * | 2015-06-03 | 2015-10-07 | 昆山国显光电有限公司 | FPC bonding structure |
| CN104968143A (en) * | 2015-07-17 | 2015-10-07 | 武汉华星光电技术有限公司 | Method of configuring FPC (Flexible Printed Circuit) gold finger pressing pin |
| CN104968143B (en) * | 2015-07-17 | 2018-03-02 | 武汉华星光电技术有限公司 | Method for configuring FPC golden finger presser feets |
| CN105158939A (en) * | 2015-09-14 | 2015-12-16 | 武汉华星光电技术有限公司 | Attaching method and assembly for backlight power supply welding disk and backlight golden finger |
| CN106211569A (en) * | 2016-09-06 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight golden finger structure and display device |
| CN106211569B (en) * | 2016-09-06 | 2019-10-25 | 京东方科技集团股份有限公司 | A kind of backlight golden finger structure and display device |
| US10973121B2 (en) | 2016-09-06 | 2021-04-06 | Boe Technology Group Co., Ltd. | Backlight golden finger structure and display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |