CN103501576A - Flexible circuit board for LED (Light Emitting Diode) LCD (Liquid Crystal Display) - Google Patents
Flexible circuit board for LED (Light Emitting Diode) LCD (Liquid Crystal Display) Download PDFInfo
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- CN103501576A CN103501576A CN201310462152.9A CN201310462152A CN103501576A CN 103501576 A CN103501576 A CN 103501576A CN 201310462152 A CN201310462152 A CN 201310462152A CN 103501576 A CN103501576 A CN 103501576A
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- board
- flexible circuit
- circuit board
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- crystal display
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Abstract
The invention discloses a flexible circuit board for an LED (Light Emitting Diode) LCD (Liquid Crystal Display). The flexible circuit board comprises a substrate board and cover films which are respectively covered on the upper surface and the lower surface of the substrate board, wherein the length of each cover film is 2/3-3/4 of that of the substrate board, reinforcing boards are covered on the surfaces of the cover films, and the length of each reinforcing board is 1/2-2/3 of that of each cover film. The flexible circuit board for the LED LCD, disclosed by the invention, has the advantages that the structure is simple, the flexible circuit board is bend-resisting, pressure-proof and heat-resisting, the use is convenient, the sensitivity is high, the service life is long, and the like; the substrate board of the flexible circuit board adopts a polyimide copper-clad board, the polyimide copper-clad board is high in purity and uniform in structure, a crystal direction of the polyimide copper-clad board is parallel to a circuit route, and thus the toughness of the substrate board is greatly increased; meanwhile, the substrate board is subjected to high-temperature heat treatment before a circuit is manufactured, the flexible property of the substrate board is enhanced again, and thus the flexible capacity of the flexible circuit board is effectively increased.
Description
Technical field
The present invention relates to a kind of LED liquid crystal display flex circuit application.
Background technology
Flex circuit application, claim again Flexible Printed Circuit or flexible printed circuit board, and flexible printed circuit board (Flexible Printed Circuit Board) is the printed circuit made from flexible insulating substrate, has advantages of that many rigid printed circuit boards do not possess.For example it can free bend, coiling, folding, can require to arrange arbitrarily according to space layout, and mobile and flexible arbitrarily at three dimensions, thereby reach integrated that the components and parts assembling is connected with wire.Utilize FPC can greatly dwindle the volume of electronic product, applicable electronic product is to the needs of high density, miniaturization, highly reliable future development.Therefore, FPC is widely used on the fields such as space flight, military affairs, mobile communication, laptop computer, computer peripheral equipment, PDA, digital camera or product.FPC---Flexible Printed Circuit flexible electric circuit board claims again flexible circuit board; Take mylar or polyimides as base material, by being etched on Copper Foil form that circuit makes a kind of, there is height reliability, the printed circuit of excellent flexibility.
FPC also has good thermal diffusivity and solderability and is easy to the advantages such as load, integrated cost be lower, and the design of soft or hard combination has also made up slightly not enough on the element bearing capacity of flexible parent metal to a certain extent.
Flexible print circuit board have single face, two-sided and multi-layer sheet minute.The base material adopted be take polyimide copper clad lamination as main.This kind of material thermal resistance is high, good stability of the dimension, with the coverlay that has mechanical protection and good electrical insulation property concurrently, by compacting, forms final products.Top layer and inner conductor two-sided, multilayer printed wiring board are realized the electrical connection of ectonexine circuit by metallization.
Summary of the invention
Technical problem to be solved by this invention is to provide the LED liquid crystal display flex circuit application of a kind of low cost, high-performance stability.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of LED liquid crystal display flex circuit application, comprise backing material plate and the coverlay that covers respectively backing material plate upper surface and lower surface, wherein, the length of coverlay is 2/3～3/4 of backing material plate length, surface at coverlay is covered with stiffening plate, and the length of described stiffening plate is 1/2～2/3 of coverlay length.
As preferably, described backing material plate is polyimide copper clad lamination.
As preferably, described coverlay is polyester resin film.
As preferably, the thickness of described coverlay is 5-30 μ m.
As preferably, described stiffening plate is polyimides stiffening plate or polyester stiffening plate.
As preferably, the thickness of described stiffening plate is 10-40 μ m.
Beneficial effect: than prior art, LED liquid crystal display of the present invention has the advantages such as simple in structure, anti-bending, withstand voltage, heat-resisting, easy to use, high sensitivity, life-span be long with flex circuit application, backing material plate of the present invention adopts polyimide copper clad lamination, this copper coin purity is high, even structure, its crystal orientation is parallel to line alignment, thereby greatly improved the toughness of backing material plate, before circuit is made, backing material plate is carried out to high-temperature heat treatment simultaneously, the flexural property of backing material plate is strengthened again, thereby effectively improved bending ability of the present invention.
The accompanying drawing explanation
Fig. 1 is the structural representation of LED liquid crystal display of the present invention with flex circuit application.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described:
As shown in Figure 1, a kind of LED liquid crystal display flex circuit application, the coverlay 2 that comprises backing material plate 1 and cover respectively backing material plate 1 upper surface and lower surface, wherein, the length of coverlay 2 is 2/3～3/4 of backing material plate 1 length, be covered with stiffening plate 3 on the surface of coverlay 2, the length of described stiffening plate 3 is 1/2～2/3 of coverlay 2 length; Backing material plate 1 is polyimide copper clad lamination, and this copper coin purity is high, even structure, and its crystal orientation is parallel to line alignment, thereby has greatly improved the toughness of backing material plate; Coverlay 2 is polyester resin film, and coverlay 2 can carry out the welding of hand weldering or low melting point, has good adhesive property and outstanding flexible, can carry out alternating bending folding, and the thickness of coverlay 2 is 5-30 μ m; Stiffening plate 3 is polyimides stiffening plate or polyester stiffening plate, and the thickness of stiffening plate 3 is 10-40 μ m.
The outer surface that covers the coverlay 2 of backing material plate 1 lower surface is provided with stiffening plate 3.The same end of backing material plate 1, coverlay 2 and stiffening plate 3 is mutually to it.
LED liquid crystal display of the present invention with the flex circuit application tool by advantages such as simple in structure, anti-bending, withstand voltage, heat-resisting, easy to use, high sensitivity, life-span are long.
Obviously, above-described embodiment is only for example of the present invention clearly is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (6)
1. a LED liquid crystal display flex circuit application, it is characterized in that: comprise backing material plate and the coverlay that covers respectively backing material plate upper surface and lower surface, wherein, the length of coverlay is 2/3～3/4 of backing material plate length, surface at coverlay is covered with stiffening plate, and the length of described stiffening plate is 1/2～2/3 of coverlay length.
2. LED liquid crystal display flex circuit application according to claim 1, it is characterized in that: described backing material plate is polyimide copper clad lamination.
3. LED liquid crystal display flex circuit application according to claim 1, it is characterized in that: described coverlay is polyester resin film.
4. LED liquid crystal display flex circuit application according to claim 1, it is characterized in that: the thickness of described coverlay is 5-30 μ m.
5. LED liquid crystal display flex circuit application according to claim 1, it is characterized in that: described stiffening plate is polyimides stiffening plate or polyester stiffening plate.
6. LED liquid crystal display flex circuit application according to claim 1, it is characterized in that: the thickness of described stiffening plate is 10-40 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310462152.9A CN103501576A (en) | 2013-09-30 | 2013-09-30 | Flexible circuit board for LED (Light Emitting Diode) LCD (Liquid Crystal Display) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310462152.9A CN103501576A (en) | 2013-09-30 | 2013-09-30 | Flexible circuit board for LED (Light Emitting Diode) LCD (Liquid Crystal Display) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103501576A true CN103501576A (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310462152.9A Pending CN103501576A (en) | 2013-09-30 | 2013-09-30 | Flexible circuit board for LED (Light Emitting Diode) LCD (Liquid Crystal Display) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103501576A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578723A (en) * | 2015-12-29 | 2016-05-11 | 广东欧珀移动通信有限公司 | Flexible printed circuit and mobile terminal |
| US11260638B2 (en) | 2019-08-29 | 2022-03-01 | Shpp Global Technologies B.V. | Transparent, flexible, impact resistant, multilayer film comprising polycarbonate copolymers |
-
2013
- 2013-09-30 CN CN201310462152.9A patent/CN103501576A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578723A (en) * | 2015-12-29 | 2016-05-11 | 广东欧珀移动通信有限公司 | Flexible printed circuit and mobile terminal |
| CN105578723B (en) * | 2015-12-29 | 2018-07-06 | 广东欧珀移动通信有限公司 | A kind of flexible PCB and mobile terminal |
| US11260638B2 (en) | 2019-08-29 | 2022-03-01 | Shpp Global Technologies B.V. | Transparent, flexible, impact resistant, multilayer film comprising polycarbonate copolymers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140108 |