CN201846526U

CN201846526U - Transparent film type printed circuit board

Info

Publication number: CN201846526U
Application number: CN2010205988999U
Authority: CN
Inventors: 林宜弘; 陈志勇; 林于凯
Original assignee: Ko Ja Cayman Co ltd Taiwan Branch
Current assignee: SUZHOU GODA MEMBRANE SWITCH CO Ltd
Priority date: 2010-11-02
Filing date: 2010-11-02
Publication date: 2011-05-25
Anticipated expiration: 2020-11-02

Abstract

A transparent film type printed circuit board comprising: a transparent body and a circuit layer. The transparent body is composed of a first transparent layer and a second transparent layer. The circuit layer is clamped between the first transparent layer and the second transparent layer, the circuit layer comprises at least one transparent sensing key, the sensing key is polymer transparent conductive ink, the sensing key comprises at least one sensing part, and the sensing part is electrically connected with an opaque first lead. The sensing key can be used for light generated by the backlight source to pass through. The utility model discloses utilize a polymer transparent conductive ink to print and form a transparent response button on the stratum lucidum, make the produced light source of the light source generator of disposing in the printed circuit board below of film formula can directly pass the response button, and shine on this button or panel to show the pattern on button or the panel. Therefore, the thin film type printed circuit board is easy to design and manufacture, and the structure is simplified.

Description

The printed circuit board (PCB) of thin transparent membrane type

Technical field

The utility model relates to a kind of circuit board, relates in particular to a kind of thin film printed circuit board with induced key of light-permeable.

Background technology

Keyboard is an indispensable a kind of human-machine interface technology for electronic installation, and keyboard can provide user or operator's input operation signal, carries out every function to control this electronic installation.

Because present many electronic installations all are to make towards compact purpose, so that the user carries out using.How the mode with electronic installation volume-diminished or thickness attenuation has a variety of, what be widely used most in recent years is the printed circuit board (PCB) (soft board) of the fibre-glass printed circuit board of the employed keyboard of electronic installation being changed into diaphragm type, with the thickness that reduces whole keyboard or make volume-diminished,, the user goes out so that carrying.

But, printed electronic circuit all is to adopt silver-colored pulp material to print on the printed circuit board (PCB) of diaphragm type at present in the majority, because silver-colored pulp material itself is not the transparency or light-permeable, therefore when the keyboard Designing of backlight is arranged, the printed circuit board (PCB) of this diaphragm type just must offer perforation (electronic circuit need be taken a devious route) on the position of corresponding press-key structure, make the light source that light source generator produced of the printed circuit board (PCB) below that is disposed at diaphragm type can pass perforation and be projeced on this button, perhaps directly light source generator is disposed at this press-key structure and this diaphragm type printed circuit board (PCB) between.Thus, cause being difficult on the PCB design of this diaphragm type, but also can cause on the structure of printed circuit board (PCB) of diaphragm type and make comparatively complicated.

The utility model content

A kind of printed circuit board (PCB) of thin transparent membrane type is provided to provide for the disappearance that solves prior art main purpose of the present utility model, utilize a macromolecule electrically conducting transparent ink printing on hyaline layer, to form a transparent induced key, make the light source that light source generator produced that is disposed below the printed circuit board (PCB) that is disposed at diaphragm type can directly pass induced key, and shine on this button or panel, with the pattern on display button or the panel.Thus, make the printed circuit board (PCB) of diaphragm type be easy to design, also be easy to make, more allow simplify the structure.

To achieve the above object, the utility model provides a kind of printed circuit board (PCB) of thin transparent membrane type, includes:

One transparent bodies is made up of one first hyaline layer and one second hyaline layer, has a first side portion and second side portion on it;

One circuit layer, be located between this first hyaline layer, second hyaline layer, this circuit layer includes at least one transparent induced key, this induced key is formed with two induction parts, this two induction part respectively is electrically connected with opaque first lead, and this first lead extends between this first side portion and the second side portion.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first hyaline layer and second hyaline layer are the PET material layer.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this induced key is a macromolecule electrically conducting transparent printing ink spare.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this induced key is synthetic by the induction part interleaved set of two table fork shapes.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first lead is silver-colored material lead.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type wherein, also has a panel on the another side of this first hyaline layer or this second slide, have the pattern of a plurality of Openworks shapes on this panel, and each pattern is corresponding to an induced key.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type wherein, also is provided with the pattern of a plurality of Openworks shapes in the another side of this first hyaline layer or this second hyaline layer.

To achieve the above object, the utility model also provides a kind of printed circuit board (PCB) of thin transparent membrane type, it is characterized in that, comprising:

One first hyaline layer, side has a first side portion on it, has a circuit layer on this first hyaline layer, this circuit layer includes at least one transparent induced key, this induced key is combined into two induction parts, this induction part respectively is electrically connected with opaque first lead, and this first lead extends in this first side portion, and has one group of first transfer wire adjacent with this first lead in this first side portion;

One cold light panel is formed with upper strata thin slice and lower sheet, and have a plurality of light-emitting components between this upper strata thin slice and lower sheet, and this light-emitting component is electrically connected with second transfer wire of being located on the thin slice of upper strata;

Wherein, this cold light panel is located on this first hyaline layer, and with the induced key formation state of insulation of this lower sheet and this circuit layer, this first transfer wire and this second transfer wire electrically connect simultaneously.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first hyaline layer and upper strata thin slice and lower sheet are the PET material pieces.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first lead, first transfer wire and second transfer wire are silver-colored material lead.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type wherein, also has a panel on the another side of this first hyaline layer, have the pattern of a plurality of Openworks shapes on this panel, and each pattern is corresponding to an induced key.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type wherein, also is provided with the pattern of a plurality of Openworks shapes in the another side of this first hyaline layer.

To achieve the above object, the utility model also provides the printed circuit board (PCB) of a thin transparent membrane type, it is characterized in that, comprising:

One first hyaline layer, side has a first side portion on it, has first circuit layer on this first hyaline layer, this first circuit layer includes at least one first transparent conductive part, this first conductive part respectively is electrically connected with opaque first lead, and this first lead extends in this first side portion;

One second hyaline layer, side has a second side portion on it, has a second circuit layer on this first hyaline layer, this second circuit layer includes at least one second transparent conductive part, this second conductive part respectively is electrically connected with opaque second lead, and this second lead extends in this second side portion;

One transparent insulating layer, side has one the 3rd side portion on it, is located between this first and second hyaline layer at this transparent insulating layer, with isolated first circuit layer and second circuit layer; In addition, have at least one perforation on this transparent insulating layer, this perforation makes the space that has an interval between this first conductive part and the second conductive part correspondence.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first hyaline layer, second hyaline layer and transparent insulating layer are the PET material pieces.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first conductive part and second conductive part are that macromolecule electrically conducting transparent printing ink forms.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, this first lead and second lead are silver-colored material part.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type, wherein, also the another side in this first hyaline layer or this second hyaline layer has a cold light panel.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type wherein, also has a panel on the another side of this first hyaline layer, have the pattern of a plurality of Openworks shapes on this panel, and each pattern is corresponding to an induction part.

The printed circuit board (PCB) of above-mentioned thin transparent membrane type wherein, also is provided with the pattern of a plurality of Openworks shapes in the another side of this first hyaline layer, each pattern is corresponding to an induction part.

Effect of the present utility model is, by utilizing a macromolecule electrically conducting transparent ink printing on hyaline layer, to form a transparent induced key, make the light source that light source generator produced that is disposed below the printed circuit board (PCB) that is disposed at diaphragm type can directly pass induced key, and shine on this button or panel, with the pattern on display button or the panel.Thus, make the printed circuit board (PCB) of diaphragm type be easy to design, also be easy to make, more allow simplify the structure.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

The schematic appearance of Fig. 1 capacitive printed circuit board (PCB) of the present utility model;

The local enlarged diagram of Fig. 2 capacitive printed circuit board (PCB) of the present utility model;

The side cross-sectional schematic of Fig. 3 capacitive printed circuit board (PCB) of the present utility model;

Another embodiment schematic diagram of Fig. 4 capacitive printed circuit board (PCB) of the present utility model;

An embodiment schematic diagram again of Fig. 5 capacitive printed circuit board (PCB) of the present utility model;

The another embodiment schematic diagram of Fig. 6 capacitive printed circuit board (PCB) of the present utility model;

The embodiment schematic diagram more again of Fig. 7 capacitive printed circuit board (PCB) of the present utility model;

The side cross-sectional schematic of Fig. 8 Fig. 7.

Another embodiment schematic diagram again of Fig. 9 capacitive printed circuit board (PCB) of the present utility model;

The decomposing schematic representation of the printed circuit board (PCB) of Figure 10 resistance-type of the present utility model;

The side cross-sectional schematic of the printed circuit board (PCB) of Figure 11 resistance-type of the present utility model;

Another embodiment schematic diagram of the printed circuit board (PCB) of Figure 12 resistance-type of the present utility model;

An embodiment schematic diagram again of the printed circuit board (PCB) of Figure 13 resistance-type of the present utility model.

Element wherein, Reference numeral

Transparent bodies 1 first hyaline layer 11

First side portion 111 first circuit layers 112

First conductive part, 113 first leads 114

Second hyaline layer, 12 second side portions 121

Second circuit layer 122 second conductive part 123

Second lead, 124 first transfer wires 13

Circuit layer 2 induced keys 21

Induction part 211,212 first leads 22

Light source generator 3 light-emitting components 31

Light 32 panels 4

Pattern 41 cold light panels 5

Upper strata thin slice 51 lower sheet 52

Light-emitting component 53 second transfer wires 54

Light 531 transparent insulating layers 6

61 perforation 62 of the 3rd side portion

Embodiment

Now relevant technology contents of the present utility model and detailed description now cooperate graphic being described as follows:

See also Fig. 1, Fig. 2, Fig. 3, the outward appearance of capacitive printed circuit board (PCB) of the present utility model, the local amplification and the side cross-sectional schematic.As shown in the figure: the printed circuit board (PCB) of thin transparent membrane type of the present utility model includes: a transparent bodies 1 and a circuit layer 2.

This transparent bodies 1 is made up of one first hyaline layer 11 and one second hyaline layer 12, and this first hyaline layer 11 and one second hyaline layer 12 are material with PET, have a first side portion 111 and second side portion 121 on it.

This circuit layer 2, be located between this first,

second hyaline layer

11,12, this circuit layer 2 includes at least one transparent induced key 21, this induced key 21 is the macromolecule electrically conducting transparent printing ink with Ai Kefa company (ORGACON), this induced key 21 is synthetic by induction part 211,212 interleaved set of two rake shapes (being the fork table fork shape in the tableware), this induction part 211,212 respectively is electrically connected with opaque first lead 22, and this first lead 22 extends between this first and second side portion 111 and 121.In this was graphic, this first lead 22 was silver-colored material.

Be located between this first and

second hyaline layer

11,12, by above-mentioned circuit layer 2 to form the printed circuit board (PCB) of capacitive thin transparent membrane type.

See also Fig. 4, another embodiment schematic diagram of capacitive printed circuit board (PCB) of the present utility model.As shown in the figure: in use at the printed circuit board (PCB) of thin transparent membrane type of the present utility model, when can be on the outer surface of this first hyaline layer 11 or second hyaline layer 12 can correspondence disposing light source generator 3, light-emitting component 31 on this light source generator 3 is corresponding to the induced key 21 of this circuit layer, after this light-emitting component 31 was lighted, the light 32 that this light-emitting component 31 is produced can directly pass this induced key 21.

See also Fig. 5, an embodiment schematic diagram again of capacitive printed circuit board (PCB) of the present utility model.As shown in the figure: the another side of this first hyaline layer 11 or this second hyaline layer 12 (the not surface of layer printed circuit board) can on be covered with a panel 4, the pattern 41 that has a plurality of Openworks shapes on this panel 4, each pattern is corresponding to an induced key 21 of circuit layer 2, when this light passes this induced key 21, the shape of this pattern 41 will be revealed, and operate for the user.When touching on user's the pattern 41 of finger at first hyaline layer 1, will be by induced key 21 inductions of this circuit layer 2, the induced signal that this induced key 21 is produced will be sent on another circuit or the electronic installation (not shown) by 22 outputs of first lead.

See also Fig. 6, the another embodiment schematic diagram of capacitive printed circuit board (PCB) of the present utility model.As shown in the figure: the utility model can be printed with the pattern 41 of a plurality of Openworks shapes on the another side (the not surface of layer printed circuit board) of this first hyaline layer 11 or this second hyaline layer 12, each pattern is corresponding to each induced key 21 of circuit layer 2, when this light passes this induced key 21, the shape of this pattern 41 will be revealed, and operate for the user.

See also Fig. 7, Fig. 8, the side cross-sectional schematic of an embodiment and this Fig. 7 more again of capacitive printed circuit board (PCB) of the present utility model.As shown in the figure: the printed circuit board (PCB) of thin transparent membrane type of the present utility model comprises: one first hyaline layer 11 and a cold light panel 5.

This first hyaline layer 11, be the PET material, side has a first side portion 111 on it, has a circuit layer 2 on this first hyaline layer 11, this circuit layer 2 includes at least one transparent induced key 21, this induced key 21 is a macromolecule electrically conducting transparent printing ink, this induced key 21 is by the induction part 211 of two rake shapes (table fork shape), 212 interleaved set are synthetic, this induction part 211,212 respectively are electrically connected with opaque first lead 22, this first lead 22 extends in this first side portion 111, and has one group of first transfer wire 13 adjacent with this first lead 22 in this first side portion 111.In this was graphic, this first lead 22 was silver-colored material.

This cold light panel (EL) 5, upper strata thin slice 51 and lower sheet 52 with PET material are formed, and between this upper strata thin slice 51 and lower sheet 52, having a plurality of light-emitting components 53, this each light-emitting component 53 is electrically connected with second transfer wire 54 of being located on the upper strata thin slice 51.When this cold light panel 5 was affixed on this first hyaline layer 1, with the induced key 21 formation state of insulations of this lower sheet 52 with this circuit layer 2, this first transfer wire 13 electrically connected with this second transfer wire 54 simultaneously.When the light-emitting component 53 of this cold light panel 5 is lighted, the light 531 that this light-emitting component 53 is produced will directly pass the induced key 21 of this circuit layer 2.In this was graphic, this first and

second transfer wire

13,54 was silver-colored material.

See also Fig. 9, another embodiment schematic diagram again of capacitive printed circuit board (PCB) of the present utility model.As shown in the figure: the utility model can be covered with a panel 4 on the another side (the not surface of layer printed circuit board 2) of this first hyaline layer 11, the pattern 41 that has a plurality of Openworks shapes on this panel 4, each pattern 41 is corresponding to each induced key 21 of circuit layer 2, perhaps directly this pattern 41 is printed on the another side (the not surface of layer printed circuit board 2) of this first hyaline layer 11, when the light-emitting component 53 of cold light panel 5 is lighted, when this light directly passes this induced key 21, the shape of this pattern 41 will be revealed, and operate for the user.

See also Figure 10, Figure 11, the decomposition of the printed circuit board (PCB) of resistance-type of the present utility model and side cross-sectional schematic.As shown in the figure: the printed circuit board (PCB) of thin transparent membrane type of the present utility model includes: one first hyaline layer 11, one second hyaline layer 12 and a transparent insulating layer 6.

This first hyaline layer 11, be the PET material, side has a first side portion 111 on it, has first circuit layer 112 on this first hyaline layer 11, this first circuit layer 112 includes at least one first transparent conductive part 113, this first conductive part 113 is a macromolecule electrically conducting transparent printing ink, and this first conductive part 113 respectively is electrically connected with opaque first lead 114, and this first lead 114 extends in this first side portion 111.In this was graphic, this first lead 114 was silver-colored material.

This second hyaline layer 12, be the PET material, side has a second side portion 121 on it, has second circuit layer 122 on this first hyaline layer 12, this second circuit layer 122 includes at least one second transparent conductive part 123, this second conductive part 123 is a macromolecule electrically conducting transparent printing ink, and this second conductive part 123 respectively is electrically connected with opaque second lead 124, and this second lead 124 extends in this second side portion 121.In this was graphic, this second lead 124 was silver-colored material.

This transparent insulating layer 6 is the PET material, and side has one the 3rd side portion 61 on it, is located between this first and

second hyaline layer

11 and 12 with isolated first circuit layer 112 and second circuit layer 122 at this transparent insulating layer.In addition, on this transparent insulating layer 6, has at least one perforation 62, this perforation 62 makes the space that has an interval between this first conductive part 113 and second conductive part, 123 correspondences, making this first conductive part 113 pass perforation 62 when pushing contacts with this second conductive part 123, perhaps this second conductive part 123 passes this perforation 62 when contacting with this first conductive part 113, promptly produce an operation signal and be sent on another circuit or the electronic installation, to carry out the function that the user presses this button by first and

second lead

114 and 124.

See also Figure 12, another embodiment schematic diagram of the printed circuit board (PCB) of resistance-type of the present utility model.As shown in the figure: the utility model can (not printing the surface of first and second circuit layer 112) dispose a cold light panel 5 on this first or

second hyaline layer

11 and 12, each light-emitting component 53 on this cold light panel 5 is corresponding to this first and second

conductive part

113 and 123, when this cold light panel 5 was lighted, the light 531 that this light-emitting component 53 is produced can directly pass this first and second

conductive part

113 and 123.

See also Figure 13, an embodiment schematic diagram again of the printed circuit board (PCB) of resistance-type of the present utility model.As shown in the figure: the utility model can (not print first circuit layer 112 in the another side of this first hyaline layer 11,122 surface) pastes a panel 4 on, the pattern 41 that has a plurality of Openworks shapes on this panel 4, each pattern is corresponding to this first and second

conductive part

113 and 123, perhaps directly this pattern 41 is printed on the outer surface of this first hyaline layer 1, when the light-emitting component 53 of the cold light panel 5 below second hyaline layer 12 is lighted, this light 531 directly passes this first and second conductive part 113 and at 123 o'clock, the shape of this pattern 41 will be revealed, and operate for the user.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims

1. A printed circuit board of transparent film type, is characterized in that, comprises:

A transparent body, consisting of a first transparent layer and a second transparent layer, with a first side portion and a second side portion on it;

A circuit layer is interposed between the first transparent layer and the second transparent layer, and the circuit layer includes at least one transparent sensing button, the sensing button is composed of two sensing parts, and each of the two sensing parts is electrically connected to An opaque first wire extends between the first side portion and the second side portion.

2 . The transparent film-type printed circuit board according to claim 1 , wherein the first transparent layer and the second transparent layer are PET material layers.

3 . The transparent film-type printed circuit board according to claim 2 , wherein the sensor button is made of polymer transparent conductive ink. 4 .

4 . The transparent film-type printed circuit board according to claim 3 , wherein the sensing button is composed of two fork-shaped sensing parts interlaced.

5 . The transparent film printed circuit board according to claim 4 , wherein the first wire is a silver wire. 5 .

6. The transparent film-type printed circuit board according to claim 5, characterized in that, there is also a panel on the other side of the first transparent layer or the second transparent sheet, and the panel has a plurality of hollow shapes Each pattern corresponds to a sensing button.

7 . The transparent film-type printed circuit board according to claim 6 , further comprising a plurality of hollowed-out patterns on the other surface of the first transparent layer or the second transparent layer.

8. A transparent film-type printed circuit board, characterized in that it comprises:

A first transparent layer with a first side portion on its upper side, a circuit layer on the first transparent layer, the circuit layer includes at least one transparent sensor button, and the sensor button is combined with two sensor parts Each of the sensing parts is electrically connected with an opaque first wire, the first wire extends on the first side part, and there is a set of adjacent to the first wire on the first side part. the first transmission wire;

A luminescent panel, composed of an upper sheet and a lower sheet, and has a plurality of light-emitting elements between the upper sheet and the lower sheet, and the light-emitting elements are electrically connected to a second transmission wire provided on the upper sheet;

Wherein, the cold light plate is arranged on the first transparent layer, and the lower sheet is insulated from the sensing buttons of the circuit layer, and at the same time, the first transmission wire is electrically connected to the second transmission wire.

9 . The transparent film printed circuit board according to claim 8 , wherein the first transparent layer, the upper sheet and the lower sheet are made of PET material.

10 . The transparent film-type printed circuit board according to claim 9 , wherein the sensing button is made of polymer transparent conductive ink. 11 .

11. The transparent film-type printed circuit board according to claim 10, wherein the sensing button is composed of two fork-shaped sensing parts interlaced.

12 . The transparent film printed circuit board according to claim 11 , wherein the first wire, the first transmission wire and the second transmission wire are silver wires. 13 .

13. The transparent film-type printed circuit board according to claim 12, characterized in that, there is also a panel on the other side of the first transparent layer, the panel has a plurality of hollowed-out patterns, each pattern Corresponds to a sensor button.

14 . The transparent film-type printed circuit board according to claim 12 , further comprising a plurality of hollowed-out patterns on the other surface of the first transparent layer.

15. A transparent film-type printed circuit board, characterized in that it comprises:

A first transparent layer, one side of which has a first side portion, the first transparent layer has a first circuit layer, the first circuit layer includes at least one transparent first conductive portion, the first Each conductive portion is electrically connected with an opaque first wire, and the first wire extends on the first side portion;

A second transparent layer, with a second side portion on one side thereof, a second circuit layer on the first transparent layer, the second circuit layer includes at least one transparent second conductive portion, the first transparent layer Each of the two conductive parts is electrically connected with an opaque second wire, and the second wire extends on the second side portion;

A transparent insulating layer, one side of which has a third side portion, and the transparent insulating layer is sandwiched between the first and second transparent layers to isolate the first circuit layer and the second circuit layer; , there is at least one perforation on the transparent insulating layer, and the perforation provides a space between the corresponding first conductive part and the second conductive part.

16. The transparent film-type printed circuit board according to claim 15, wherein the first transparent layer, the second transparent layer and the transparent insulating layer are made of PET material.

17 . The transparent film type printed circuit board according to claim 16 , wherein the first conductive portion and the second conductive portion are formed of polymer transparent conductive ink.

18. The transparent film type printed circuit board according to claim 17, wherein the first wire and the second wire are made of silver.

19. The transparent film-type printed circuit board according to claim 18, further comprising a luminescent plate on the other side of the first transparent layer or the second transparent layer.

20. The transparent film-type printed circuit board according to claim 19, characterized in that, there is also a panel on the other side of the first transparent layer, the panel has a plurality of hollowed-out patterns, each pattern Corresponds to one induction section.

21 . The transparent film-type printed circuit board according to claim 19 , further comprising a plurality of hollowed-out patterns on the other surface of the first transparent layer, each pattern corresponding to a sensing portion.