CN210836179U - Identification tag for touch panel sensing - Google Patents

Abstract

The utility model discloses a supply identification label of touch panel response, including base plate and first discernment layer. The substrate has a first surface and a second surface, and the first surface is opposite to the second surface. The first recognition layer is formed on the first surface of the substrate and comprises: the touch screen comprises a non-touch sensing area, a touch sensing area and a separation structure. The non-touch sensing area is formed by a first conductive material, the touch sensing area corresponds to the touch panel, the touch sensing area comprises a plurality of sensing areas and a plurality of non-sensing areas, the sensing areas are connected to the non-sensing areas, the sensing areas are formed by the first conductive material, the non-sensing areas comprise hollow structures formed between the first conductive material, the separation structures separate the touch sensing area from the non-touch sensing area, and the touch sensing area is connected to the non-touch sensing area through the separation structures.

Description

Identification tag for touch panel sensing

technical field

The utility model relates to an identification label, in particular to an identification label that forms a capacitive structure for sensing by a touch panel.

Background technique

In recent years, identification tags, such as barcodes, radio frequency tags (RFID), and near field communication (NFC), can be easily read by specific handheld devices such as mobile phones, and can be widely used in logistics management, commodity management, medical management and other fields. . Among them, based on the characteristics of non-contact and easy-to-use, radio frequency identification systems such as RFID and NFC have gradually replaced barcode scanning identification systems.

Taiwan Patent I482097 discloses a label for identification, which uses a capacitive touch panel as a sensing detection tool, and a label for identification made by coating a conductive material on a substrate, which can be applied to the corresponding capacitive touch panel. When changing the capacitance of the panel changes. The reading device of the touch panel, such as a mobile phone, a tablet, etc., reads the difference in the sensing amount of the specific position of the panel, and the difference in the relevant corresponding information can be used to generate different corresponding 2D capacitance sensing values by the difference in the configuration of the conductive layer on the identification label. The distribution of a specific totem, the use of this totem data can provide interpretation of a specific message.

However, the above-mentioned patent is limited by the responsiveness of the identification tag and the sensing amount of the capacitive touch panel, and the sensor is often misjudged due to poor sensing.

In order to enable the identification tag to adequately sense and identify the capacitive touch panel, it is desirable to provide an identification tag that provides a sufficient sensing value for the capacitive touch panel for touch sensing, thereby improving the identification.

Utility model content

In view of this, the purpose of the present invention is to provide an identification tag, which includes a touch sensing area for the touch panel to sense and a non-touch sensing area for the user's finger to touch to increase the sensing. The touch sensing area includes a sensing area formed by the first conductive material and a non-sensitive area with a hollow structure formed between the first conductive materials. Different sensing areas and non-sensing areas are used for sensing, thereby generating different sensing results, whereby each identification tag can obtain the effect of mutual identification through the above-mentioned different sensing results.

The technical means adopted by the present invention are as follows.

An embodiment of the identification label of the present invention is used for sensing by a touch panel, and the identification label includes a substrate and a first identification layer. The substrate has a first surface and a second surface, and the first surface is opposite to the second surface. The first identification layer is formed on the first surface of the substrate, and includes a non-touch sensing area, a touch sensing area and a separation structure. The non-touch sensing area is formed by a first conductive material, the touch sensing area corresponds to the touch panel, the touch sensing area includes a plurality of sensing areas and a plurality of non-sensing areas, and the sensing areas are connected to the non-sensing areas A sensing area, and the sensing areas are formed with the first conductive material, the non-sensing areas include a hollow structure formed between the first conductive materials, the separation structure separates the touch sensing area and the non-touch sensing area, the The touch sensing area is connected to the non-touch sensing area through the separating structure.

In another embodiment, the separation structure is formed by a plurality of conductive parts formed by the first conductive material and a plurality of through-hole grooves arranged alternately.

In another embodiment, the identification tag of the present invention further includes a plurality of circuit structures, the non-sensing areas are separated by the circuit structures, and each of the circuit structures is a segment formed by the first conductive material For the partition walls, the thickness of each of the circuit structures is less than 200 microns, and the circuit structures are parallel or perpendicular to each other.

In another embodiment, the identification label of the present invention further includes a second identification layer formed on the first identification layer and corresponding to the sensing areas.

In another embodiment, the impedance of the second identification layer is lower than 1/100 of the impedance of the first identification layer.

In another embodiment, the identification label of the present invention further includes a protective layer covering at least part of the first identification layer and the second identification layer.

In another embodiment, the identification label of the present invention further includes a protective layer covering at least part of the first identification layer.

In another embodiment, the protective layer covers the entirety of the first identification layer.

In another embodiment, the protective layer only covers the touch sensing area.

In another embodiment, the protective layer covers the touch sensing area and the separation structure.

In another embodiment, the protective layer covers the touch sensing area and part of the non-touch sensing area.

In another embodiment, the thickness of the protective layer is less than 500 microns.

In another embodiment, the identification label of the present invention further comprises a first optical hardening layer and a second optical hardening layer, the first optical hardening layer is formed between the first surface of the substrate and the first identification layer, The first optical hardening layer increases the rigidity of the substrate, the second optical hardening layer is formed on the second surface of the substrate, and the second optical hardening layer increases the rigidity of the identification label.

In another embodiment, the identification label of the present invention further includes an adhesive layer formed on the second surface of the substrate.

In another embodiment, each of the sensing regions has an area of at least 0.5 square centimeters.

In another embodiment, the first identification layer has a square resistance of up to 1000 ohms/sq.

In another embodiment, the first identification layer has a square resistance of up to 100 ohms/sq.

In another embodiment, the substrate and the first identification layer are transparent.

The beneficial effects of the present invention are as follows.

The sensing area of the identification label of the present invention forms polygons of different shapes, which can be attached to the identification label of the present invention by a touch panel of an electronic device, for example, a touch screen of a mobile phone is attached to the identification label of the present invention , by sensing the identification tag of the present invention through the touch screen to obtain the predetermined sensing value of the two-dimensional area, comparing the sensing value with the setting value in the database to provide specific information, and then sending the information to Electronic devices (mobile phone screens) to obtain more information about products, and to obtain convenient functions such as inventory management or anti-counterfeiting identification.

In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

FIG. 1 is a perspective view of a first embodiment of an identification tag for sensing by a touch panel of the present invention.

FIG. 2A is a plan configuration diagram of the identification tag for sensing by the touch panel of FIG. 1 .

FIG. 2B is a cross-sectional view taken along line 2B-2B of the identification tag for sensing by the touch panel of FIG. 1 .

FIG. 3 is a cross-sectional view of a second embodiment of the identification tag for sensing by the touch panel of the present invention.

FIG. 4 is a cross-sectional view of a third embodiment of an identification tag for sensing by a touch panel of the present invention.

FIG. 5 is a cross-sectional view of a fourth embodiment of an identification tag for sensing by a touch panel of the present invention.

FIG. 6 is a perspective view of the fifth embodiment of the identification tag for sensing by the touch panel of the present invention.

FIG. 7 is a perspective view of a sixth embodiment of the identification tag for sensing by the touch panel of the present invention.

FIG. 8 is a perspective view of a seventh embodiment of the identification tag for sensing by the touch panel of the present invention.

FIG. 9 is a perspective view of an eighth embodiment of an identification tag for sensing by a touch panel of the present invention.

10A is a perspective view of a ninth embodiment of an identification tag for sensing by a touch panel of the present invention.

FIG. 10B is a cross-sectional view of the tenth embodiment of the identification label for sensing by the touch panel of the present invention.

Description of drawing numbers:

10: Substrate

11: The first side

12: The second side

20: The first recognition layer

21: Non-touch sensitive area

22: Touch sensing area

23: Separation structure

40: Line structure

50: Protective layer

60: First optical hardening layer

70: Second optical hardening layer

80: Adhesive layer

90: Second recognition layer

100: Identifying tags

221: Sensing area

222: Non-sensing area

231: Conductive part

232: Permeable slot.

Detailed ways

Please refer to FIG. 1 , which shows the first embodiment of the identification label for sensing by a touch panel of the present invention. The identification label of this embodiment can be used for sensing by a touch panel. The identification label 100 of this embodiment includes a substrate 10 and a first identification layer 20 .

The substrate 10 has a first surface 11 and a second surface 12 , and the first surface 11 is opposite to the second surface 12 . In this embodiment, the substrate 10 is a substrate made of an electrically insulating material and may be a substrate made of a transparent material, such as a light-transmitting plastic substrate or a light-transmitting glass substrate, and the light-transmitting plastic may be PET (polyterephthalate). ethylene formate), PE (polyethylene), PMMA (polymethyl methacrylate), PI (polyimide), PA (polyamide), PU (polyurethane), acrylic plastic and other materials. The thickness of the substrate 10 may be 10 μm˜500 μm.

Please refer to FIG. 2A and FIG. 2B together, the first identification layer 20 is formed on the first surface 11 of the substrate 10 . The first identification layer 20 includes a non-touch sensing area 21 , a touch sensing area 22 and a separation structure 23 . In this embodiment, the non-touch sensing area 21 and the touch sensing area 22 are formed of a first conductive material, and the touch sensing area 22 is separated and electrically connected to the non-touch sensing area 21 through the separation structure 23 Structure. In this embodiment, the separation structure 23 is formed by a plurality of conductive portions 231 formed of the first conductive material and a plurality of through-hole grooves 232 arranged alternately. In this way, the touch sensing area 22 and the non-touch sensing area 21 are separated by the hollow groove 232 of the separating structure 23 , but the touch sensing area 22 and the non-touch sensing area 21 are separated by the conductive portion 231 of the separating structure 23 . Make an electrical connection.

The touch sensing area 22 corresponds to a touch panel, that is, when the identification label 100 of the present invention is attached to the touch panel of the electronic device for sensing, the touch sensing area 22 corresponds to the touch panel and is controlled by the touch panel. Induced to generate inductive value. In this embodiment, the touch sensing area 22 includes a plurality of sensing areas 221 and a plurality of non-sensing areas 222, the sensing areas 221 are connected to the non-sensing areas 222, and the sensing areas 221 use the first conductive The non-sensing regions 222 include a hollow structure formed between the first conductive materials. In this embodiment, the sensing area 221 forms a polygonal structure, and the polygonal sides are perpendicular or parallel to each other, so it can be regarded as being formed by a plurality of square unit lattices. Therefore, when the capacitive touch panel senses the touch sensing area 22, since the sensing area 221 is formed of the first conductive material, it will be sensed by the change of the capacitance value detected by the touch panel, and the non-sensing area 222 is The transparent structure does not have the first conductive material, but the electrically insulating substrate 10 is directly exposed, so the touch panel will not detect the change of the capacitance value. By arranging and disposing different geometric shapes of the sensing area 221 and the non-sensing area 222, the touch panel can detect patterns formed by different capacitance values, thereby producing an identification function.

The non-touch sensing area 21 can be touched by the user's fingers to increase the sensing amount of the touch panel.

The first conductive material of the first identification layer 20 may use organic, inorganic conductor coating or a combination of the above materials. The inorganic conductor can be a transparent conductive material of metal or metal oxide, such as indium tin oxide (ITO), and the organic conductive layer can be a polymer substance PEDOT (polyethylene dioxythiophene), PEDOT: PSS (polyethylene dioxythiophene: polyphenylene) ethylene sulfonic acid), carbon nanotubes, or a combination of the above. The first conductive material can be formed on the first surface 11 of the substrate 10 by means of evaporation, sputtering, chemical vapor deposition (CVD) or physical vapor deposition (PVD), and then etched with a mask of a predetermined pattern to obtain the first conductive material. The pattern of layer 20 is identified. In this embodiment, the light transmittance of the first identification layer 20 may be 70%˜95%. Wherein, the thickness of the first identification layer 20 may be 1˜50 micrometers (μm).

In order to allow the touch panel of the electronic device (eg, the touch panel of a mobile phone) to sense the sensing area 221 , the sensing area 221 preferably has an area of not less than 0.5 cm 2 , which is equivalent to the area of a finger pressing the touch panel. In addition, in order to increase the inductive amount, the square resistance of the first identification layer 20 is preferably lower than 1000 ohms/sq. In another embodiment, in order to further improve the inductive amount, the square resistance of the first identification layer 20 is preferably lower than 100 ohms/sq.

In addition, the identification tag 100 of the present invention further includes a plurality of line structures 40 , the non-sensing regions 222 are separated by the line structures 40 , and the sensing regions 221 separated by the non-sensing regions 222 are formed by the line structures 40 Electrical connection. Each of the circuit structures 40 is a partition wall formed of a first conductive material. In this embodiment, the line structures 40 are parallel or perpendicular to each other, so that the non-sensing regions 222 are divided into multiple grids, that is, each non-sensing region 222 may be formed by a plurality of square unit grids. The thickness of each of the circuit structures 40 is less than 200 microns, thereby reducing circuit interference in the non-inductive region 222 .

Please refer to FIG. 3 , which shows a second embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the first embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the first embodiment is that the identification label 100 of this embodiment further includes a protective layer 50 covering the entire first identification layer 20 so as to protect the first identification layer 20 . The protective layer 50 may be formed of transparent plastic or coated transparent insulating material. In order to avoid reducing the amount of induction, the thickness of the protective layer 50 is preferably less than 500 micrometers (μm). In another embodiment, in order to further improve the inductive amount, the thickness of the protective layer 50 is preferably less than 100 microns. The protective layer 50 can be coated on the first identification layer 20 using a coating process, such as an atomic layer deposition (ALD) process.

Please refer to FIG. 4 , which shows the third embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the second embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the second embodiment is that the protective layer 50 of the identification label 100 in this embodiment covers part of the first identification layer 20 . In this embodiment, the protective layer 50 covers the touch sensing area 22 and the separation structure 23 .

Please refer to FIG. 5 , which shows the fourth embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the second embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the second embodiment is that the protective layer 50 of the identification label 100 of this embodiment covers part of the first identification layer 20 . In this embodiment, the protective layer 50 covers the touch sensing area 22 and part of the non-contact Touch sensing area 21 . Therefore, part of the non-touch sensing area 21 is not covered by the protective layer, which can be touched by the user's fingers to increase the sensing amount.

Please refer to FIG. 6 , which shows a fifth embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the first embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the first embodiment is that the identification label 100 of this embodiment further includes a first optical hardening layer 60 formed between the first surface 11 of the substrate 10 and the first identification layer 20 . The first optical hardening layer 60 can increase the rigidity of the substrate 10 . The first optical hardening layer 60 may be acrylic, epoxy, silicon dioxide, or a combination thereof. The thickness of the first optical hardening layer 60 may be 1 μm˜5 μm.

Please refer to FIG. 7 , which shows the sixth embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the fifth embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the fifth embodiment is that the identification label 100 of this embodiment does not have the first optical hardening layer 60 , but includes a second optical hardening layer 70 , and the second optical hardening layer 70 is formed on the second optical hardening layer 70 of the substrate 10 . face 12. The second optical hardening layer 70 can increase the rigidity of the substrate 10 . The material of the second optical hardening layer 70 may be the same as that of the first optical hardening layer 60 , and the thickness of the second optical hardening layer 70 may be 1 μm˜5 μm.

Please refer to FIG. 8 , which shows a seventh embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the fifth embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the fifth embodiment is that the identification label 100 of this embodiment further includes a second optical hardening layer 70 , and the second optical hardening layer 70 is formed on the second surface 12 of the substrate 10 . The second optical hardening layer 70 together with the first optical hardening layer 60 can better increase the rigidity of the substrate 10 . The material of the second optical hardening layer 70 may be the same as that of the first optical hardening layer 60 , and the thickness of the second optical hardening layer 70 may be 1 μm˜5 μm.

Please refer to FIG. 9 , which shows an eighth embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the first embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the first embodiment is that the identification label 100 of this embodiment further includes an adhesive layer 80 formed on the second surface 12 of the substrate 10 . The adhesive layer 80 can be used for the identification label 100 of the present invention to be attached to the article.

Please refer to FIG. 10A , which shows the ninth embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the first embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the first embodiment is that the identification label 100 of this embodiment further includes a second identification layer 90 formed on the first identification layer 20 and corresponding to the sensing areas 221 . The second identification layer 90 can be formed by The above-mentioned first conductive material or other conductive materials are formed. The impedance of the second identification layer 90 is lower than 1/100 of the impedance of the first identification layer 20 to increase the sensing amount of the sensing area 221 .

Please refer to FIG. 10B , which shows the tenth embodiment of the identification tag for the touch panel sensing of the present invention. The structure of this embodiment is substantially the same as that of the ninth embodiment, and the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the ninth embodiment is that the identification label 100 of this embodiment further includes a protective layer 50 covering at least part of the first identification layer 20 and the second identification layer 90 . The material and process of the protective layer 50 of the present embodiment can be the same as those of the protective layer 50 of the second embodiment.

The identification tag 100 of the present invention, by forming a continuous large-area polygon corresponding to the sensing area 221 of the touch panel, can increase the sensing capacitance value, thereby increasing the sensing amount of the touch panel and increasing the sensing accuracy. And improve the identification of the identification label 100 of the present invention, as product marking, anti-counterfeiting, description and other effects.

The identification label 100 of the present invention can be made into an identification label 100 with a 3 cm x 4 cm appearance and a transparent material. Therefore, when the identification label 100 is attached to a general product package, it will not affect the appearance of the product. The user uses a handheld device For example, in a mobile phone, the mobile phone can provide a reading software through software settings, and then attach one side of the touch screen of the mobile phone to the identification label 100 of the present invention, and then sense the identification label 100 through the touch screen of the mobile phone to obtain a specific 2D area The inductive value of the formed totem is then compared with the specific totem in the preset database to provide corresponding specific information, and then the specific information is transmitted to the mobile phone screen, so that the user can read more information about the product. The identification tag 100 of the present invention can also be used for inventory management or for anti-counterfeiting identification.

Terms such as "first" and "second" mentioned in this specification are only used to name elements or to distinguish different embodiments or ranges, but are not used to limit the upper or lower limit of the number of elements.

Claims (18)

1. An identification tag for touch panel sensing, for use in a touch panel sensing, the identification tag comprising:

a substrate having a first surface and a second surface, the first surface being opposite to the second surface; and

a first recognition layer formed on the first surface of the substrate, comprising:

a non-touch sensing area formed by a first conductive material;

a touch sensing area corresponding to the touch panel, the touch sensing area including a plurality of sensing areas and a plurality of non-sensing areas, the sensing areas being connected to the non-sensing areas, the sensing areas being formed of the first conductive material, the non-sensing areas including a void structure formed between the first conductive material;

and the touch sensing area and the non-touch sensing area are separated by the separation structure, and the touch sensing area is connected with the non-touch sensing area by the separation structure.

2. The identification tag for touch panel sensing of claim 1, wherein the separation structure is formed by alternately disposing a plurality of conductive portions formed by the first conductive material and a plurality of through grooves.

3. The identification tag for touch panel sensing of claim 1, comprising a plurality of circuit structures, wherein the non-sensing regions are separated by the circuit structures, each circuit structure is a partition wall formed by the first conductive material, the thickness of each circuit structure is less than 200 μm, and the circuit structures are parallel or perpendicular to each other.

4. The identification tag for touch panel sensing of any of claims 1 to 3, comprising a second identification layer formed on the first identification layer and corresponding to the sensing region.

5. The touch panel-sensitive identification tag of claim 4, wherein the second identification layer has a lower impedance than 1/100 of the first identification layer.

6. The touch panel-sensitive identification tag of claim 4, comprising a protective layer covering at least a portion of the first identification layer and the second identification layer.

7. The touch panel-enabled identification tag of claim 1, comprising a protective layer covering at least a portion of the first identification layer.

8. The touch panel-sensitive identification tag of claim 7, wherein the protective layer covers the entire first identification layer.

9. The identification tag for touch panel sensing of claim 7, wherein the protection layer only covers the touch sensing area.

10. The identification tag for touch panel sensing of claim 7, wherein the protection layer covers the touch sensing area and the separation structure.

11. The identification tag for touch panel sensing of claim 7, wherein the protection layer covers the touch sensing area and a portion of the non-touch sensing area.

12. The touch panel-enabled identification tag of claim 7, wherein the protective layer has a thickness of less than 500 μm.

13. The touch panel-sensitive identification tag of claim 1, wherein the identification tag comprises a first optical hardening layer and a second optical hardening layer, the first optical hardening layer is formed between the first surface of the substrate and the first identification layer, the first optical hardening layer increases the rigidity of the substrate, the second optical hardening layer is formed on the second surface of the substrate, and the second optical hardening layer increases the rigidity of the identification tag.

14. The identification tag for touch panel sensing of claim 1, comprising a backing layer formed on the second surface of the substrate.

15. The identification tag for touch panel sensing of claim 1, wherein each sensing area has an area of at least 0.5 cm.

16. The identification tag for touch panel sensing of claim 1, wherein the first identification layer has a resistance not greater than 1000 ohm/sq.

17. The identification tag for touch panel sensing of claim 1, wherein the first identification layer has a resistance not greater than 100 ohms/sq.

18. The identification tag for touch panel sensing of claim 1, wherein the substrate and the first identification layer are transparent.

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