CN203120284U - Flexible printed circuit (FPC) and liquid crystal display (LCD) - Google Patents
Flexible printed circuit (FPC) and liquid crystal display (LCD) Download PDFInfo
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- CN203120284U CN203120284U CN 201320068158 CN201320068158U CN203120284U CN 203120284 U CN203120284 U CN 203120284U CN 201320068158 CN201320068158 CN 201320068158 CN 201320068158 U CN201320068158 U CN 201320068158U CN 203120284 U CN203120284 U CN 203120284U
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- flexible
- copper
- circuit board
- base material
- liquid crystal
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Abstract
The utility model discloses an FPC, which comprises a flexible copper foil covered base material and a covering film on the flexible copper foil covered base material. A substrate of the FPC includes a copper exposed region, the flexible copper foil covered base material in the copper exposed region is not covered by the covering film, and the copper exposed region is connected with a grounding PIN of the flexible copper foil covered base material. The utility model also discloses an LCD, which comprises a thin film transistor substrate, a color filter substrate, an ITO (Indium Tin Oxide) film and the FPC, wherein the color filter substrate is arranged at one side of the thin film transistor substrate, the ITO film is arranged at one side of the color filter substrate far from the thin film transistor substrate, and the copper exposed region of the FPC is electrically connected with the ITO film. The FPC and the LCD of the utility model can conveniently realize grounding of the color filter substrate, are simple in technology, and save cost.
Description
Technical field
The utility model relates to field of liquid crystal display, particularly relates to a kind of flexible circuit board and liquid crystal indicator.
Background technology
Liquid crystal indicator (Liquid Crystal Display, be called for short LCD) has that fuselage is thin, power saving, numerous advantages such as radiationless, has obtained using widely.Usually, described liquid crystal indicator comprises infrabasal plate (Thin Film Transistor substrate, be called for short TFT substrate or array base palte), be arranged at colour filtering chip basic board (the Color Filter substrate of described infrabasal plate one side, be called for short CF substrate or color membrane substrates), be arranged at described colour filtering chip basic board and deviate from the nesa coating (ITO) of a side of described infrabasal plate and the flexible circuit board (Flexible Printed Circuit is called for short FPC) that signal is provided for described liquid crystal indicator.
In order to realize the ground connection of described colour filtering chip basic board, in the prior art, mainly adopt following three kinds of methods:
One, connects described colour filtering chip basic board and preceding panel beating with a metal clips, by with panel beating ground connection before described, thereby realize described colour filtering chip basic board ground connection, but this method needs the described metal clips of extra preparation, the complex manufacturing technology of described metal clips makes the whole cost of described liquid crystal indicator increase;
Two, with a conductive fabric described colour filtering chip basic board is linked to each other with described nesa coating, described nesa coating connects the ground connection PIN of described flexible circuit board, thereby realize described colour filtering chip basic board ground connection, but the attaching precision of described conductive fabric is not high, described conductive fabric easily is offset, and then influences the ground connection performance of described colour filtering chip basic board;
Three, with a conductive silver glue described colour filtering chip basic board is linked to each other with described nesa coating, described nesa coating connects the ground connection PIN of described flexible circuit board, thereby realize described colour filtering chip basic board ground connection, but the cost height of described conductive silver glue, and described conductive silver glue carries out a glue to apparatus and process requirement height.
Owing to realize the method for described colour filtering chip basic board ground connection in the prior art deficiency is arranged all, therefore, how to provide a kind of simple, convenient and low colour filtering chip basic board grounding technology of cost, become the problem that those skilled in the art need solve.
The utility model content
The purpose of this utility model is, a kind of flexible circuit board and liquid crystal indicator are provided, and can realize the ground connection of described colour filtering chip basic board easily, and technology is simple, saves cost.
For solving the problems of the technologies described above, the utility model provides a kind of flexible circuit board, comprise that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, and described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material.
Further, in described flexible circuit board, described flexible circuit board has an ear, and described dew copper district is positioned at described ear.
Further, in described flexible circuit board, it is characterized in that described dew copper district is printed with conducting metal.
Further, in described flexible circuit board, described conducting metal is the conducting metal of anti-the bending.
Further, in described flexible circuit board, described upward coverlay is polyester coverlay or polyimides coverlay.
According to another side of the present utility model, the utility model also provides a kind of liquid crystal indicator, comprising:
Infrabasal plate;
Colour filtering chip basic board is arranged at a side of described infrabasal plate;
Nesa coating is arranged at the side that described colour filtering chip basic board deviates from described infrabasal plate; And
Flexible circuit board, comprise that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, and described dew copper district is electrically connected with described nesa coating.
Further, in described liquid crystal indicator, described flexible circuit board has an ear, and described dew copper district is positioned at described ear, described ear and described nesa coating are superimposed, and described dew copper district deviates from a side of described colour filtering chip basic board towards described nesa coating.
Further, in described liquid crystal indicator, described dew copper district deviates from a side of described colour filtering chip basic board at described nesa coating by conductive adhesive.
Further, in described liquid crystal indicator, described dew copper district is printed with conducting metal.
Further, in described liquid crystal indicator, described conducting metal is the conducting metal of anti-the bending.
Further, in described liquid crystal indicator, described upward coverlay is polyester coverlay or polyimides coverlay.
Compared with prior art, the flexible circuit board and the liquid crystal indicator that provide of the utility model has the following advantages:
1, the utility model provides a kind of flexible circuit board and liquid crystal indicator, this flexible circuit board comprises that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, compared with prior art, when this flexible circuit board is assembled into described liquid crystal indicator, described dew copper district is connected with described nesa coating, because described colour filtering chip basic board is connected with described nesa coating, and described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, so described colour filtering chip basic board links to each other with the ground connection PIN electricity of described flexible copper-clad paper tinsel base material further, thereby realize described colour filtering chip basic board ground connection, the preparation technology of described flexible circuit board and described liquid crystal indicator is simple, easy to operate, save cost.
2, the utility model provides a kind of flexible circuit board and liquid crystal indicator, and this flexible circuit board has an ear, and described dew copper district is positioned at described ear, and the area of described ear is little, can realize neatly that described dew copper district is connected with described nesa coating.
Description of drawings
Fig. 1 is the schematic diagram of the flexible circuit board of the utility model one embodiment;
Fig. 2 is the generalized section of the liquid crystal indicator of the utility model one embodiment;
Fig. 3 is the schematic diagram of the flexible circuit board of the another embodiment of the utility model;
Fig. 4 is the generalized section of the liquid crystal indicator of the another embodiment of the utility model.
Embodiment
Below in conjunction with schematic diagram flexible circuit board of the present utility model and liquid crystal indicator are described in more detail, wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here, and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
In the following passage, with way of example the utility model is described more specifically with reference to accompanying drawing.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, the utility model provides a kind of flexible circuit board, this flexible circuit board comprises that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, when this flexible circuit board is assembled into described liquid crystal indicator, described dew copper district is connected with described nesa coating, thereby realize the colour filtering chip basic board ground connection of described liquid crystal indicator, the preparation technology of described flexible circuit board and described liquid crystal indicator is simple, easy to operate, save cost.
Further, in conjunction with above-mentioned flexible circuit board, the utility model also provides a kind of liquid crystal indicator, comprises infrabasal plate; Colour filtering chip basic board is arranged at a side of described infrabasal plate; Nesa coating is arranged at the side that described colour filtering chip basic board deviates from described infrabasal plate; And flexible circuit board, comprise that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, and described dew copper district is connected with described nesa coating.
Below enumerate several embodiment of described flexible circuit board and liquid crystal indicator, to clearly demonstrate content of the present utility model, will be clear that, content of the present utility model is not restricted to following examples, and the improvement of other routine techniques means by those of ordinary skills is also within thought range of the present utility model.
[first embodiment]
Fig. 1 is the schematic diagram of the flexible circuit board of the utility model one embodiment, specifies the flexible circuit board 100 of present embodiment below in conjunction with Fig. 1.
As shown in Figure 1, described flexible circuit board 100 comprises: flexible copper-clad paper tinsel base material 101 and card overlay on the coverlay 102 on the described flexible copper-clad paper tinsel base material 101, described flexible circuitry base board 101 has one and reveals copper district 103, the flexible copper-clad paper tinsel base material in described dew copper district 103 is not covered by described coverlay 102, described dew copper district 103 is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material 101, when this flexible circuit board 100 is assembled into described liquid crystal indicator, convenient colour filtering chip basic board ground connection of realizing described liquid crystal indicator.Wherein, concrete restriction is not done in the position on described flexible circuit board 100 by described dew copper district 103, can be positioned at the optional position of described flexible circuitry base board 101, as long as be connected with the ground connection PIN of described flexible copper-clad paper tinsel base material 101, and the shape of described flexible circuit board 100, size are not also done concrete restriction.
Preferable, described dew copper district 103 is printed with conducting metal, even the ground connection PIN of described flexible copper-clad paper tinsel base material 101 is not set in the described dew copper district 103, also can realize easily described dew copper district 103 is electrically connected with the ground connection PIN of described flexible copper-clad paper tinsel base material 101.
Further, described conducting metal is the conducting metal of anti-the bending, can make 103 bendings of described dew copper district, ease of assembly.Described upward coverlay 101 is polyester coverlay or polyimides coverlay, has preferable pliability and insulating properties.
In the present embodiment, described flexible circuit board 100 can be used for preparing liquid crystal indicator, and as shown in Figure 2, Fig. 2 is the generalized section of the liquid crystal indicator of the utility model one embodiment.In Fig. 2, described liquid crystal indicator 200 comprises infrabasal plate 201, colour filtering chip basic board 202, nesa coating 203 and described flexible circuit board 100.Wherein, described colour filtering chip basic board 202 is arranged at a side of described infrabasal plate 201, described nesa coating 203 is arranged at the side that described colour filtering chip basic board 202 deviates from described infrabasal plate 201, the described dew copper district 103 of described flexible circuit board 100 is electrically connected with described nesa coating 203, because described colour filtering chip basic board 202 is connected with described nesa coating 203, and described dew copper district 103 is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material 101, so described colour filtering chip basic board 202 links to each other with the ground connection PIN electricity of described flexible copper-clad paper tinsel base material 101 further, thereby realizes described colour filtering chip basic board 202 ground connection.
Preferable, described dew copper district 103 deviates from a side of described colour filtering chip basic board 202 at described nesa coating 203 by conductive adhesive, described conducting resinl both can have been fixed the position in described dew copper district 103, can realize that again described dew copper district 103 is electrically connected with described nesa coating 203, but described dew copper district 103 is not limited to by conductive adhesive on described nesa coating 203, can also earlier described dew copper district 103 directly be contacted described nesa coating 203, by normal tape described flexible circuit board 100 is fixed on the described nesa coating 203 then.
In the present embodiment, described liquid crystal indicator 200 also comprises some necessary structures such as chip, molded frame, and this is the common technology means of this area, does not give unnecessary details at this.In addition, the PIN corresponding contact one by one of described flexible circuit board and infrabasal plate, this also is the common technology means of this area, does not also give unnecessary details at this.
[second embodiment]
The difference of second embodiment and first embodiment is that described flexible circuit board 100 has an ear 104, and described dew copper district 103 is positioned at described ear 104, as shown in Figure 3.When this flexible circuit board 100 being assembled into described liquid crystal indicator 200, only need described ear 104 is superimposed with described nesa coating 203, described dew copper district 103 deviates from a side of described colour filtering chip basic board 202 towards described nesa coating 203, as shown in Figure 4, can realize neatly that described dew copper district 103 is connected with described nesa coating 203, wherein, concrete restriction is not done in the shape of described ear 104, size and the position on described ear 104 described flexible circuit board 100.
In sum, the utility model provides a kind of flexible circuit board, this flexible circuit board comprises that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, when this flexible circuit board is assembled into described liquid crystal indicator, described dew copper district is connected with described nesa coating, thus the colour filtering chip basic board ground connection of realizing described liquid crystal indicator.Compared with prior art, the flexible circuit board and the liquid crystal indicator that provide of the utility model has the following advantages:
1, the utility model provides a kind of flexible circuit board and liquid crystal indicator, this flexible circuit board comprises that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, compared with prior art, when this flexible circuit board is assembled into described liquid crystal indicator, described dew copper district is connected with described nesa coating, because described colour filtering chip basic board is connected with described nesa coating, and described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, so described colour filtering chip basic board links to each other with the ground connection PIN electricity of described flexible copper-clad paper tinsel base material further, thereby realize described colour filtering chip basic board ground connection, the preparation technology of described flexible circuit board and described liquid crystal indicator is simple, easy to operate, save cost.
2, the utility model provides a kind of flexible circuit board and liquid crystal indicator, and this flexible circuit board has an ear, and described dew copper district is positioned at described ear, and the area of described ear is little, can realize neatly that described dew copper district is connected with described nesa coating.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (11)
1. flexible circuit board, it is characterized in that, described flexible circuit board comprises that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, and described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material.
2. flexible circuit board according to claim 1 is characterized in that described flexible circuit board has an ear, and described dew copper district is positioned at described ear.
3. as flexible circuit board as described in claim 1 or 2 any, it is characterized in that described dew copper district is printed with conducting metal.
4. as flexible circuit board as described in the claim 3, it is characterized in that described conducting metal is the conducting metal of anti-the bending.
5. flexible circuit board according to claim 1 is characterized in that, described to go up coverlay be polyester coverlay or polyimides coverlay.
6. a liquid crystal indicator is characterized in that, described liquid crystal indicator comprises:
Infrabasal plate;
Colour filtering chip basic board is arranged at a side of described infrabasal plate;
Nesa coating is arranged at the side that described colour filtering chip basic board deviates from described infrabasal plate; And
Flexible circuit board, comprise that flexible copper-clad paper tinsel base material and card overlay on the coverlay on the described flexible copper-clad paper tinsel base material, described flexible circuitry base board has one and reveals the copper district, the flexible copper-clad paper tinsel base material in described dew copper district is not covered by described coverlay, described dew copper district is connected with the ground connection PIN of described flexible copper-clad paper tinsel base material, and described dew copper district is connected with described nesa coating.
7. as liquid crystal indicator as described in the claim 6, it is characterized in that described flexible circuit board has an ear, described dew copper district is positioned at described ear, described ear and described nesa coating are superimposed, and described dew copper district deviates from a side of described colour filtering chip basic board towards described nesa coating.
8. as liquid crystal indicator as described in claim 6 or 7 any, it is characterized in that described dew copper district deviates from a side of described colour filtering chip basic board at described nesa coating by conductive adhesive.
9. as liquid crystal indicator as described in the claim 8, it is characterized in that described dew copper district is printed with conducting metal.
10. as liquid crystal indicator as described in the claim 9, it is characterized in that described conducting metal is the conducting metal of anti-the bending.
11., it is characterized in that described to go up coverlay be polyester coverlay or polyimides coverlay as liquid crystal indicator as described in the claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068158 CN203120284U (en) | 2013-02-05 | 2013-02-05 | Flexible printed circuit (FPC) and liquid crystal display (LCD) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068158 CN203120284U (en) | 2013-02-05 | 2013-02-05 | Flexible printed circuit (FPC) and liquid crystal display (LCD) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203120284U true CN203120284U (en) | 2013-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320068158 Expired - Lifetime CN203120284U (en) | 2013-02-05 | 2013-02-05 | Flexible printed circuit (FPC) and liquid crystal display (LCD) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203120284U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101256A1 (en) * | 2013-12-30 | 2015-07-09 | 昆山维信诺显示技术有限公司 | Flexible printed circuit |
| CN105572929A (en) * | 2016-03-21 | 2016-05-11 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof and display apparatus |
-
2013
- 2013-02-05 CN CN 201320068158 patent/CN203120284U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101256A1 (en) * | 2013-12-30 | 2015-07-09 | 昆山维信诺显示技术有限公司 | Flexible printed circuit |
| CN105572929A (en) * | 2016-03-21 | 2016-05-11 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof and display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |