Position detection devices and sensors

Abstract

A position detection device that can realize a thin structure including an EMR sensor is provided. [Solution] A position detection device according to the present invention is a position detection device that detects the position of a pen and a finger on a panel surface, and includes a display image generating layer that generates a display image according to control by a drive circuit, and an integrated sensor layer arranged between the panel surface and the display image generating layer, the integrated sensor layer including a touch sensor and an EMR sensor, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, and at least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils.

Description

[Technical field]

[0001] The present invention relates to a position detection device and a sensor, and more particularly to a position detection device and a sensor that detects the position of a pen by an electromagnetic induction method (EMR method). [Background technology]

[0002] The EMR method is known as one of the methods for detecting the position of an electromagnetic induction pen on a panel surface of a tablet terminal or the like. A position detection device using the EMR method has an EMR sensor including an X coil arranged in the X direction and a Y coil arranged in the Y direction, and is configured to derive the position of the electromagnetic induction pen by electromagnetic induction between the EMR sensor and the electromagnetic induction pen. Patent Document 1 discloses an example of an EMR sensor. As disclosed in these documents, the EMR sensor is generally disposed on the lower side of the display (the side farther from the panel surface). In addition, a touch sensor for detecting the position of a finger on the panel surface is disposed on the upper side of the display (the side closer to the panel surface).

[0003] Furthermore, in recent years, foldable displays have appeared. Patent Documents 2 and 3 disclose examples of foldable displays. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent Publication No. 2021-033543 [Patent Document 2] US Patent Publication No. 2023-0071229 [Patent Document 3] US Patent Application Publication No. 2021-0208709 Summary of the Invention [Problem to be solved by the invention]

[0005] In the conventional EMR sensor, both the X coil and the Y coil have overlapping wiring between adjacent coils. In other words, both the X coil and the Y coil have a multi-layer structure, which increases the thickness of the structure including the EMR sensor and the display, and therefore improvement was required.

[0006] Therefore, another object of the present invention is to provide a position detection device and a sensor that can realize a reduction in the thickness of a structure including an EMR sensor. [Means for solving the problem]

[0007] A position detection device according to a first aspect of the present invention is a position detection device that detects the position of a pen and a finger on a panel surface, and includes a display image generating layer that generates a display image in accordance with control by a drive circuit, and an integrated sensor layer arranged between the panel surface and the display image generating layer, the integrated sensor layer including a touch sensor for detecting the position of the finger on the panel surface by a capacitive method, and an EMR sensor for detecting the position of the pen on the panel surface by electromagnetic induction, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, and at least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils.

[0008] A position detection device according to a second aspect of the present invention is a position detection device that detects the position of a pen and a finger on a panel surface, and includes a display image generating layer that generates a display image in accordance with control by a drive circuit, and an integrated sensor layer arranged between the panel surface and the display image generating layer, the integrated sensor layer including a touch sensor for detecting the position of the finger on the panel surface by a capacitive method, and an EMR sensor for detecting the position of the pen on the panel surface by electromagnetic induction, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, the plurality of second coils being configured as comb coils each having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction.

[0009] A position detection device according to a third aspect of the present invention is a position detection device that detects the position of a pen on a panel surface by electromagnetic induction, and includes a plurality of first electrodes, each having a hollow portion and arranged in a lattice pattern, a plurality of second electrodes arranged in the hollow portions of each of the plurality of first mesh electrodes, and a plurality of first connection wires that are formed in a layer different from the plurality of first electrodes and the plurality of second electrodes and that connect two of the second electrodes adjacent to each other in a first direction to form a plurality of first wirings extending in the first direction, wherein the plurality of first wirings form receiving coils of an EMR sensor for detecting the position of the pen on the panel surface by electromagnetic induction.

[0010] A sensor according to a first aspect of the present invention is a sensor used together with an electronic device that detects the position of a pen and a finger on a panel surface, the electronic device including a display image generating layer that generates a display image according to control by a drive circuit, the sensor being arranged between the panel surface and the display image generating layer and including a touch sensor for detecting the position of a finger on the panel surface by a capacitive method, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, and at least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils.

[0011] A sensor according to a first aspect of the present invention is a sensor used together with an electronic device that detects the position of a pen and a finger on a panel surface, the sensor including a touch sensor for detecting the position of a finger on the panel surface by a capacitive method, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, and at least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils.

[0012] A sensor according to a second aspect of the present invention is a sensor used together with an electronic device that detects the position of a pen and a finger on a panel surface, the electronic device including a display image generating layer that generates a display image according to control by a drive circuit, the sensor being arranged between the panel surface and the display image generating layer and including a touch sensor for detecting the position of the finger on the panel surface by a capacitive method, and an EMR sensor for detecting the position of the pen on the panel surface by electromagnetic induction, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, the plurality of second coils being configured as comb coils each having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction.

[0013] A sensor according to a second aspect of the present invention is a sensor used together with an electronic device that detects the position of a pen and a finger on a panel surface, the sensor including a touch sensor for detecting the position of a finger on the panel surface by a capacitive method, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction, the touch sensor including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction intersecting the first direction, the EMR sensor including a plurality of first coils arranged in a first direction and a plurality of second coils arranged in a second direction, the plurality of second coils being configured as comb coils each having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction.

[0014] A sensor according to a third aspect of the present invention is a sensor used together with an electronic device that detects the position of a pen on a panel surface by electromagnetic induction, and includes a plurality of first electrodes, each having a hollow portion and arranged in a lattice pattern, a plurality of second electrodes arranged in the hollow portions of each of the plurality of first mesh electrodes, and a plurality of first connection wires formed in a layer different from the plurality of first electrodes and the plurality of second electrodes and constituting a plurality of first wires extending in the first direction by connecting two of the second electrodes adjacent to each other in the first direction, wherein the plurality of first wires constitute a receiving coil of an EMR sensor for detecting the position of the pen on the panel surface by electromagnetic induction. Effect of the Invention

[0015] According to the first to third aspects of the present invention, it is possible to provide a position detection device and a sensor that can realize a reduction in the thickness of a structure including an EMR sensor. [Brief description of the drawings]

[0016] [Figure 1] 1 is a diagram showing a configuration of a position detection system 1 according to a first embodiment of the present invention. [Diagram 2] 2A to 2C are diagrams for explaining the principle of deriving the position of the electromagnetic induction pen 2. [Diagram 3] 2A to 2C are diagrams for explaining the principle of deriving the position of the electromagnetic induction pen 2. [Figure 4] 2A to 2C are diagrams for explaining the principle of deriving the position of the electromagnetic induction pen 2. [Diagram 5] FIG. 2 is a diagram showing a layer structure of a structure 33 shown in FIG. [Figure 6] 6 is a diagram showing a planar configuration of the Tx electrode layer 42T shown in FIG. 5. [Figure 7] FIG. 6 is a diagram showing an electrical configuration of the Tx electrode layer 42T shown in FIG. [Figure 8] 6 is a diagram showing the planar configuration and the electrical configuration of the Rx electrode layer 42R shown in FIG. 5. FIG. [Figure 9]3 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a first modified example of the first embodiment of the present invention. FIG. [Figure 10] 10 is a diagram showing a planar configuration of the Tx electrode layer 42T shown in FIG. [Figure 11] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a second modified example of the first embodiment of the present invention. FIG. [Figure 12] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a third modified example of the first embodiment of the present invention. FIG. [Figure 13] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a fourth modified example of the first embodiment of the present invention. FIG. [Figure 14] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a fifth modified example of the first embodiment of the present invention. FIG. [Figure 15] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a second embodiment of the present invention. FIG. [Figure 16] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a first modified example of the second embodiment of the present invention. FIG. [Figure 17] FIG. 17(a) is a diagram showing the top surface of a support plate 45 included in a position detection device 3 according to a second modified example of the second embodiment of the present invention, and FIG. 17(b) is a diagram showing the bottom surface of a support plate 45 included in a position detection device 3 according to a second modified example of the second embodiment of the present invention. [Figure 18] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a third embodiment of the present invention. FIG. [Figure 19] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a first modified example of the third embodiment of the present invention. FIG. [Figure 20] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a second modified example of the third embodiment of the present invention. FIG. [Figure 21]13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a fourth embodiment of the present invention. FIG. [Figure 22] FIG. 22 is a diagram showing a planar configuration of the integrated sensor 47 shown in FIG. 21. [Diagram 23] FIG. 22 is a diagram showing a planar configuration of the integrated sensor 47 shown in FIG. 21. [Figure 24] FIG. 22 is a diagram showing a planar configuration of the integrated sensor 47 shown in FIG. 21. [Diagram 25] FIG. 22 is a diagram showing an electrical configuration of the integrated sensor 47 shown in FIG. 21. [Figure 26] FIG. 22 is a diagram showing an electrical configuration of the integrated sensor 47 shown in FIG. 21. [Figure 27] 13 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a first modified example of the fourth embodiment of the present invention. FIG. [Figure 28] FIG. 13 is a diagram showing a planar configuration of an integrated sensor 47 according to a second modified example of the fourth embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0018] FIG. 1 is a diagram showing the configuration of a position detection system 1 according to a first embodiment of the present invention. As shown in the figure, the position detection system 1 is configured to have an electromagnetic induction pen 2 and a position detection device 3. Of these, the electromagnetic induction pen 2 is a pen that supports position detection by the EMR method, and is configured to have a resonance circuit including a coil and a capacitor inside. The EMR method is a method of deriving the position of the electromagnetic induction pen 2 by electromagnetic induction action between an EMR sensor 42 described later and the electromagnetic induction pen 2, and includes both a method in which an alternating magnetic field is exchanged between the EMR sensor 42 and the electromagnetic induction pen 2 in both directions, and a method in which an alternating magnetic field is sent in one direction from the electromagnetic induction pen 2 to the EMR sensor 42. In this embodiment, the explanation will be continued by taking up an example in which an alternating magnetic field is exchanged between the EMR sensor 42 and the electromagnetic induction pen 2 in both directions.

[0019] The position detection device 3 is a computer (electronic device) that supports pen input by the EMR method and touch input by the capacitive method, and is configured to include a switch circuit 30, a sensor controller 31, a host processor 32, and a structure 33. The structure 33 includes a cover film 40, a touch sensor 41, an EMR sensor 42, and a display 43. Note that the order of arrangement of the cover film 40, the touch sensor 41, the EMR sensor 42, and the display 43 shown in FIG. 1 is for convenience, and their actual arrangement will be described later with reference to FIG. 5. In a typical example, the position detection device 3 is a tablet terminal or a notebook computer that supports pen input and touch input.

[0020] First, focusing on the structure 33, the cover film 40 is a film-like member for protecting the internal structure of the structure 33, and is made of, for example, polyethylene terephthalate. The reason why a cover glass as shown in FIG. 18 described later is not used as a member for protecting the internal structure of the structure 33 is to enable folding about the folding axis BA shown in the figure. The structure 33 is configured to be capable of being folded about the folding axis BA, and therefore the display 43 is a foldable display. The type of display method of the display 43 is not particularly limited, and may be a liquid crystal display or an organic EL display.

[0021] The surface of the cover film 40 is flat and constitutes a panel surface 3a which also serves as the touch surface of the touch sensor 41 and the EMR sensor 42, and the display surface of the display 43. A user of the position detection device 3 performs pen input by sliding the tip of the electromagnetic induction pen 2 over this panel surface 3a, and performs touch input by sliding his / her finger over it.

[0022] The touch sensor 41 is a sensor including a plurality of Tx electrodes, which are linear electrodes extending in the x direction and arranged in parallel in the y direction, and a plurality of Rx electrodes, which are linear electrodes extending in the y direction and arranged in parallel in the x direction. Each of the plurality of Tx electrodes and each of the plurality of Rx electrodes are connected to the sensor controller 31 via a switch circuit 30. The EMR sensor 42 is a sensor including a plurality of Tx coils and a plurality of Rx coils. Although details will be described later with reference to Figs. 6 to 8, in this embodiment, the plurality of Tx coils are configured by one comb coil (Tx electrode), and the plurality of Rx coils are shared with the plurality of Rx electrodes of the touch sensor 41. Each of the plurality of Tx coils and each of the plurality of Rx coils are connected to the sensor controller 31 via a switch circuit 30.

[0023] The switch circuit 30 is an integrated circuit including a group of switches provided between the sensor controller 31 and each electrode (including a coil) in the touch sensor 41 and the EMR sensor 42. The switching of the group of switches constituting the switch circuit 30 is performed by the sensor controller 31. The details of the switch circuit 30 will be described later in detail with reference to FIGS. 7 and 8.

[0024] The sensor controller 31 is an integrated circuit having a function of deriving the position of a finger on the panel surface 3a using the touch sensor 41, and a function of deriving the position of the electromagnetic induction pen 2 on the panel surface 3a using the EMR sensor 42. With regard to the electromagnetic induction pen 2, the sensor controller 31 is also configured to have a function of receiving data transmitted by the electromagnetic induction pen 2. The position derived by the sensor controller 31 and the received data are successively supplied to the host processor 32.

[0025] To briefly explain the processing performed by the sensor controller 31, first, regarding the position of the finger, the sensor controller 31 transmits a predetermined touch detection signal from each of the multiple Tx electrodes and receives it at each of the multiple Rx electrodes, thereby acquiring the intensity of the touch detection signal received at each intersection of the multiple Rx electrodes and the multiple Tx electrodes. Then, the sensor controller 31 derives the position of the finger on the panel surface 3a based on the distribution of the acquired intensity.

[0026] Next, regarding the position of the electromagnetic induction pen 2, the sensor controller 31 sequentially supplies an AC current to the multiple Tx coils. An AC magnetic field is emitted from the Tx coils to which the AC current is supplied. When a coil constituting the resonant circuit of the electromagnetic induction pen 2 enters this AC magnetic field, an electromotive force is generated at both ends, and a capacitor constituting the resonant circuit together with the coil is charged. After that, when the sensor controller 31 stops supplying the AC current, an AC magnetic field (hereinafter referred to as a "pen AC magnetic field") is emitted from the coil of the electromagnetic induction pen 2 by the power stored in the capacitor. The sensor controller 31 receives a signal (hereinafter referred to as a "pen signal") generated in each Rx coil by this pen AC magnetic field, and obtains the intensity of the signal to derive the position of the electromagnetic induction pen 2 within the panel surface 3a. This process will be described in detail again later with reference to Figs. 2 to 4.

[0027] Finally, regarding the data transmitted by the electromagnetic induction pen 2, the data to be transmitted may include a pen pressure value indicating the pressure applied to the pen tip, on / off information indicating the state of a switch provided on the surface of the housing, a pen ID stored in an internal memory, etc. The electromagnetic induction pen 2 is configured such that the resonant frequency of the resonant circuit changes according to the contents of these data, and when the resonant frequency of the resonant circuit changes, the frequency of the pen signal received by the sensor controller 31 also changes. The sensor controller 31 receives the data transmitted by the electromagnetic induction pen 2 by detecting this change in frequency by demodulating the received pen signal.

[0028] The host processor 32 is a central processing unit of the position detection device 3, and plays a role of executing the operating system and various applications of the position detection device 3 by executing a program read from a memory (not shown). The processes executed by the host processor 32 according to the program include a process of generating a video signal and supplying it to the display 43, and various processes performed using the position and data supplied from the sensor controller 31. The various processes performed using the position and data include, for example, the movement of a cursor displayed on the display surface, and the generation of stroke data indicating the trajectory of the electromagnetic induction pen 2 on the touch surface. Regarding the stroke data, the host processor 32 also performs a process of rendering and displaying the generated stroke data, a process of generating and recording digital ink including the generated stroke data, and a process of transmitting the generated digital ink to an external device in response to a user's instruction.

[0029] 2 to 4 are diagrams for explaining the principle of deriving the position of the electromagnetic induction pen 2. These diagrams are for explaining the principle, and do not necessarily match the configurations of the switch circuit 30, the sensor controller 31, and the EMR sensor 42 according to this embodiment. Below, the principle of deriving the position of the electromagnetic induction pen 2 will be described in detail with reference to these diagrams.

[0030] Here, the multiple loop coils LCx shown in Figs. 2 to 4 are coils that extend in the y direction and are arranged side by side in the x direction, and the multiple loop coils LCy are coils that extend in the x direction and are arranged side by side in the y direction. In the example of Fig. 2, the loop coils LCx and LCy correspond to both the Rx coil and the Tx coil described above. On the other hand, in the examples of Figs. 3 and 4, the loop coil LCx corresponds to the Rx coil, and the loop coil LCy corresponds to the Tx coil. Note that, for the sake of simplicity, only five loop coils LCx and LCy are shown in each figure, but the actual EMR sensor 42 usually has more loop coils LCx and LCy. Also, in each figure, the position of the active area A, which is the display area (area where a display image is displayed) of the display 43, is indicated by a dashed line.

[0031] First, referring to FIG. 2, the switch circuit 30 according to this example is configured to include switches 50 to 53, and the sensor controller 31 is configured to include a Y-axis circuit 62 and an X-axis circuit 63.

[0032] The switch 50 is a multi-throw single-pole switch including a plurality of selection terminals each connected to one end of each loop coil LCy and a common terminal connected to the common terminal of the switch 52. The other end of each loop coil LCy is grounded. The switch 52 is a double-throw single-pole switch including a selection terminal connected to the output terminal of the Y-axis circuit 62 via a buffer, a selection terminal connected to the input terminal of the Y-axis circuit 62 via a buffer, and a common terminal connected to the common terminal of the switch 50.

[0033] Moreover, the switch 51 is a multi-throw single-pole switch including a plurality of selection terminals each connected to one end of each loop coil LCx and a common terminal connected to the common terminal of the switch 53. The other end of each loop coil LCx is grounded. The switch 53 is a double-throw single-pole switch including a selection terminal connected to the output terminal of the X-axis circuit 63 via a buffer, a selection terminal connected to the input terminal of the X-axis circuit 63 via a buffer, and a common terminal connected to the common terminal of the switch 51.

[0034] The sensor controller 31 in the example of FIG. 2 first switches the switch 52 to the input end side of the Y-axis circuit 62, the switch 53 to the output end side of the X-axis circuit 63, and the switch 51 to one of the loop coils LCx, as shown in the figure. Next, the sensor controller 31 starts outputting an AC current from the X-axis circuit 63. As a result, an AC magnetic field is sent from the loop coil LCx connected to the X-axis circuit 63, and the loop coil LCx functions as a Tx coil. After a predetermined time has elapsed from the start of output, the sensor controller 31 stops outputting the AC current and controls the switch 50 so that one of the loop coils LCy is connected to the input end of the Y-axis circuit 62. Then, in this state, the intensity of the pen signal (intensity of the pen AC magnetic field) input to the Y-axis circuit 62 is obtained. As a result, the loop coil LCy connected to the Y-axis circuit 62 functions as an Rx coil. The sensor controller 31 executes a series of processes from outputting the AC current to obtaining the intensity of the pen signal for each loop coil LCy, as described above, to obtain the intensity of the pen signal for each loop coil LCy. 2 shows an example of the intensity of the pen signal thus acquired. The sensor controller 31 derives the Y coordinate of the electromagnetic induction pen 2 based on the acquired distribution of the intensity in the Y direction.

[0035] Next, the sensor controller 31 switches X and Y and performs the same process as above. That is, the switch 53 is switched to the input end side of the X-axis circuit 63, the switch 52 is switched to the output end side of the Y-axis circuit 62, and the switch 50 is switched to one of the loop coils LCy. Next, the sensor controller 31 starts outputting an AC current from the Y-axis circuit 62, and after a predetermined time has elapsed since the start of the output, stops outputting the AC current and controls the switch 51 so that one of the loop coils LCx is connected to the input end of the X-axis circuit 63. Then, in this state, the intensity of the pen signal input to the X-axis circuit 63 is acquired. The sensor controller 31 acquires the intensity of the pen signal for each loop coil LCx by executing a series of processes from outputting the AC current to acquiring the intensity of the pen signal for each loop coil LCx as described above for each loop coil LCx. The table illustrated next to the X-axis circuit 63 in FIG. 2 shows an example of the intensity of the pen signal acquired in this way. The sensor controller 31 derives the X coordinate of the electromagnetic induction pen 2 based on the acquired distribution of the intensity in the X direction.

[0036] 2 calculates the X coordinate and the Y coordinate individually based on the distribution in the X direction and the Y direction, respectively, and then combines the two calculated coordinates to derive the position of the electromagnetic induction pen 2.

[0037] 3, this example differs from the example shown in FIG. 2 in that the switch circuit 30 does not have switches 52, 53, and the sensor controller 31 has a Tx circuit 60 and an Rx circuit 61 instead of a Y-axis circuit 62 and an X-axis circuit 63.

[0038] The switch 50 is similar to the switch 50 in the example of Fig. 2 except that the common terminal is connected to the output terminal of the Tx circuit 60 via a buffer. The switch 51 is similar to the switch 51 in the example of Fig. 2 except that the common terminal is connected to the input terminal of the Rx circuit 61 via a buffer. The other ends of each loop coil LCy and each loop coil LCx are grounded, as in the example of Fig. 2.

[0039] The sensor controller 31 in the example of FIG. 3 starts outputting an AC current from the Tx circuit 60 with the switch 50 switched to the side of any one of the loop coils LCy. As a result, an AC magnetic field is sent from the loop coil LCy connected to the Tx circuit 60, and the loop coil LCy functions as a Tx coil. After a predetermined time has elapsed from the start of output, the sensor controller 31 stops outputting the AC current and controls the switch 51 so that any one of the loop coils LCy is connected to the Rx circuit 61. Then, in this state, the intensity of the pen signal input to the Rx circuit 61 (intensity of the pen AC magnetic field) is acquired. As a result, the loop coil LCx connected to the Rx circuit 61 functions as an Rx coil. The sensor controller 31 executes this process for all combinations of the loop coils LCy and LCx, thereby acquiring the intensity of the pen signal at each intersection of the loop coils LCy and LCx. The table illustrated next to the Rx circuit 61 in FIG. 3 shows an example of the intensity of the pen signal thus acquired. The sensor controller 31 is configured to derive the position of the electromagnetic induction pen 2 based on the two-dimensional distribution of the intensity of the acquired pen signal.

[0040] 4, the switch circuit 30 according to this example differs from the switch circuit 30 shown in FIG. 3 in that it does not have a switch 51. One end of each loop coil LCx is connected to an input end of the Rx circuit 61 without passing through the switch 51. Although not shown, the Rx circuit 61 according to the example of FIG. 4 incorporates receiving circuits equal in number to the loop coils LCx.

[0041] The process performed by the sensor controller 31 in the example of FIG. 4 is basically the same as the process performed by the sensor controller 31 in the example of FIG. 3, but differs from the process performed by the sensor controller 31 in the example of FIG. 3 in that after an alternating magnetic field is sent from the loop coil LCy, the intensities of the pen signals input to the Rx circuit 61 via each loop coil LCx are acquired all at once. The sensor controller 31 executes this process for each loop coil LCy to acquire the intensity of the pen signal (intensity of the pen alternating magnetic field) for each intersection of the loop coil LCy and the loop coil LCx. The table illustrated next to the Rx circuit 61 in FIG. 4 shows an example of the intensity of the pen signal thus acquired. The sensor controller 31 is configured to derive the position of the electromagnetic induction pen 2 based on the two-dimensional distribution of the intensity of the acquired pen signal.

[0042] The above describes three exemplary principles for deriving the position of the electromagnetic induction pen 2. The position detection device 3 according to this embodiment is configured to derive the position of the electromagnetic induction pen 2 by using the principle shown in Fig. 4 out of these principles. Next, the layer structure of the structure 33 according to this embodiment will be described.

[0043] 5 is a diagram showing the layer structure of the structure 33. As shown in the figure, the structure 33 is configured to have, in order from the panel surface 3a side, a cover film 40, an Rx electrode layer 42R, a display image generating layer 43a, a backplane 43b, a support plate 45, a Tx electrode layer 42T, an adhesive layer 72, and a magnetic shield 46. Of these, the display 43 is configured by the touch sensor 41, the Rx electrode layer 42R, the display image generating layer 43a, and the backplane 43b. The cover film 40 and the Rx electrode layer 42R are bonded together by an adhesive layer 70, the backplane 43b and the support plate 45 are bonded together by an adhesive layer 71, and the support plate 45 and the Tx electrode layer 42T formed on its surface and the magnetic shield 46 are bonded together by an adhesive layer 72.

[0044] The Rx electrode layer 42R is a layer on which the Rx coil of the EMR sensor 42 is disposed, and in this embodiment, is configured to also include the touch sensor 41. The Rx electrode layer 42R will be described in detail later with reference to FIG.

[0045] The Tx electrode layer 42T is a layer on which the Tx coil of the EMR sensor 42 is disposed. The Tx coil of the EMR sensor 42 is formed by printing a conductive material, such as copper or silver, on the lower surface of the support plate 45. Further details of the Tx electrode layer 42T will be described in detail later with reference to FIGS. 6 and 7.

[0046] The display image generating layer 43a is a layer that plays a role of generating a display image according to the control of a driving circuit in the backplane 43b. When the display 43 is a liquid crystal display, the display image generating layer 43a includes liquid crystal configured to be able to control the polarization direction for each pixel. When the display 43 is an organic EL display, the display image generating layer 43a includes an organic material configured to be able to control the blinking for each pixel. The backplane 43b includes a driving circuit that drives the liquid crystal or organic material in the display image generating layer 43a according to a video signal supplied from the host processor 32.

[0047] The support plate 45 is a plate-like member provided to protect the display 43 from impact. "Plate PT" shown in FIG. 7 of Patent Document 2 and "supporter SP" shown in FIG. 7 of Patent Document 3 are examples of such support plates. The support plate 45 is made of a rigid substrate having low conductivity and rigidity (for example, a glass epoxy substrate such as FR4 (Flame Retardant Type 4)). The support plate 45 is made of a material having low conductivity in order to avoid an influence on the electromagnetic induction used by the EMR sensor 42. In addition, the support plate 45 is provided with a structure for realizing bending while maintaining durability. This structure may be, for example, a groove such as "grooves H" shown in Patent Document 2, or a plurality of holes arranged along the bending axis BA. As a result, the support plate 45 is configured to be bendable at the bending axis BA shown in the figure.

[0048] FIG. 6 is a diagram showing a planar configuration of the Tx electrode layer 42T. As shown in the figure, the Tx electrode layer 42T has a configuration in which a coil (hereinafter referred to as a "comb coil") is formed in a single layer on the lower surface of the support plate 45, the coil being configured by connecting one end of a plurality of teeth 100 each extending in the x direction to a base 101 extending in the y direction. When the Tx coil or Rx coil of the EMR sensor 42 is provided separately from the Tx electrode or Rx electrode constituting the touch sensor 41, it is preferable to make the Tx coil or Rx coil a comb coil as in the Tx electrode layer 42T of FIG. 6. The teeth 100 are arranged in a row at equal intervals in the y direction. The other end of each tooth 100 is provided with a pad 102 that is connected by crimping to a connector terminal provided on the surface of the flexible printed circuit board 80 shown in FIG. 5. The pads 102 are arranged in a row along one side of the support plate 45 extending in the y direction. Although FIG. 6 shows an example in which the number of teeth 100 is 16, this is merely an example, and the number of teeth 100 is not limited to 16.

[0049] 6, the arrangement of each part constituting the Tx electrode layer 42T is determined so that the only part arranged across the bending axis BA is the base part 101. This makes it possible to minimize the possibility of disconnection occurring in the Tx electrode layer 42T when bending the structure 33 along the bending axis BA.

[0050] The symbols "T0" to "T 11 " represents each Tx coil configured by the comb coils in the Tx electrode layer 42T. That is, the comb coils in the Tx electrode layer 42T are 12 Tx coils T0 to T 11 This will be described in detail below with reference to FIG.

[0051] 7 is a diagram showing the electrical configuration of the Tx electrode layer 42T. The switch circuit 30 according to this embodiment is configured to have a switch 55 for each tooth portion 100. Each switch 55 is a triple-throw single-pole switch, and its common terminal is connected to the other end of the corresponding tooth portion 100. In addition, the second selection terminal of each switch 55 is connected to the open end.

[0052] The Tx circuit 60 is configured to be capable of outputting an AC current Tx and an AC current Tx_inv obtained by inverting the phase of the AC current Tx. The first selection terminals of the switches 55 are commonly connected to the output terminal of the Tx circuit 60 for the AC current Tx, and the third selection terminals are commonly connected to the output terminal of the Tx circuit 60 for the AC current Tx_inv.

[0053] When the sensor controller 31 transmits an alternating magnetic field from the Tx electrode layer 42T, it first selects one of the teeth 100, switches the two switches 55 corresponding to the two teeth 100 adjacent to one side to the first selection terminal side, and switches the two switches 55 corresponding to the two teeth 100 adjacent to the other side to the third selection terminal side. For the other switches 55, the sensor controller 31 sets the second selection terminal to the selected state. FIG. 7 shows a state in which the sensor controller 31 selects the tooth 100 located at the position indicated as "T5" in the figure.

[0054] After switching each switch 55 as described above, the sensor controller 31 starts outputting AC currents Tx and Tx_inv from the Tx circuit 60. Then, the AC current Tx flows through two teeth 100 adjacent to one side of the selected tooth 100 (the teeth 100 at the positions indicated by "T3" and "T4" in the example of FIG. 7), and the AC current Tx_inv flows through two teeth 100 adjacent to the other side of the selected tooth 100 (the teeth 100 at the positions indicated by "T6" and "T7" in the example of FIG. 7), so that a virtual loop coil is formed with the tooth 100 selected by the sensor controller 31 as the center, and an alternating magnetic field is sent out from this virtual loop coil. The Tx coil in the Tx electrode layer 42T is constituted by the virtual loop coil thus formed.

[0055] Fig. 8 is a diagram showing the planar configuration and electrical configuration of the Rx electrode layer 42R. Here, the Rx electrode layer 42R has a two-layer structure, and is configured to have another layer in addition to the layer shown in Fig. 8. In this other layer, a Tx electrode (not shown) of the touch sensor 41 is formed. The following description will be continued with attention to the layers shown in Fig. 8.

[0056] As shown in FIG. 8, the Rx electrode layer 42R includes N+1 coil-shaped electrodes R0 to R1 which respectively constitute the Rx coil of the EMR sensor 42 and the Rx electrode of the touch sensor 41. N In the following description, the coil electrodes R0 to R N When there is no need to particularly distinguish between them, they may be collectively referred to as "coil electrodes R." The coil electrodes R are arranged side by side in the x direction so as not to overlap each other.

[0057] Each coiled electrode R is formed of a U-shaped (Π-shaped) conductor having one end of each of two conductors 111, 112 extending in parallel along the y direction, connected by a connection wiring 110 extending in the x direction. Among these, the connection wiring 110 extends outside the active area A and is formed of an opaque plate-shaped conductor. When the Tx electrode or Rx electrode constituting the touch sensor 41 and the Tx coil or Rx coil of the EMR sensor 42 are used in common, it is preferable to use a U-shaped (Π-shaped) conductor as in the coiled electrode R of FIG. 8. This is because, if the coiled electrode R is formed of the above-mentioned comb-shaped coil, the wiring capacitance becomes too large since one large conductor is formed as a whole, making it difficult to function as the Tx electrode or Rx electrode of the touch sensor 41, whereas if the coiled electrode R is formed of a U-shaped (Π-shaped) conductor, the coiled electrodes R are electrically isolated from each other, and such a problem does not occur. Furthermore, by forming each coil-shaped electrode R in a U-shape (Π-shape), it becomes possible to form each coil-shaped electrode R so that they do not overlap each other, as illustrated in Figure 8, and this also makes it possible to form the Rx electrode layer 42R and the Rx electrode of the touch sensor 41 in a single layer.

[0058] Of the conductors 111, 112 of each coiled electrode R, those that extend into the active area A are made of mesh electrodes (portions represented by intersecting thin lines in FIG. 8) having a predetermined repeated local pattern. On the other hand, of the conductors 111, 112 of each coiled electrode R, those that extend only outside the active area A are made of opaque plate-like conductors similar to the connection wiring 110. In the example of FIG. 8, N coiled electrodes R0 to R N The coil electrodes R0 and R N Coil electrodes R1 to R N-1 The conductors 111 and 112 of the coiled electrode R0 are each extended so as to overlap within the active area A, and are configured as mesh electrodes. NConductor 111 (coil electrode R N-1 The conductor 111 of the coil-shaped electrode R0 and the conductor 112 of the coil-shaped electrode R1 are also extended so as to overlap the active area A, and are formed of a mesh electrode. N The conductor 112 extends only outside the active area A and is made of an opaque metal conductor.

[0059] Of the conductors 111, 112 of each coil electrode R, those that extend into the active area A are made of mesh electrodes in order to minimize the effect on the visibility of the image displayed by the display 43. In order to reduce variations in visibility in the active area A, a dummy mesh electrode may be formed in the region between the conductors 111, 112. Instead of the mesh electrode, a transparent electrode such as ITO (indium tin oxide) may be used.

[0060] The switch circuit 30 according to this embodiment is configured to have a switch 56 for each coiled electrode R. Each switch 56 is configured by a double-throw single-pole switch having a selection terminal connected to one end of the corresponding coiled electrode R, a selection terminal grounded, and a common terminal connected to the other end of the corresponding coiled electrode R. In addition, the Rx circuit 61 has an inverting amplifier circuit 90 for each coiled electrode R, and one end of each coiled electrode R is connected to the selection terminal of the corresponding switch 56 as well as to the input terminal of the corresponding inverting amplifier circuit 90.

[0061] When each coiled electrode R is used as an Rx coil of the EMR sensor, the sensor controller 31 switches each switch 56 to the grounded selection terminal side. This causes the connection state of each coiled electrode R to be the same as the connection state of each loop coil LCx shown in Fig. 4, so that the sensor controller 31 can derive the position of the electromagnetic induction pen 2 on the panel surface 3a by performing the same process as that described with reference to Fig. 4.

[0062] On the other hand, when each coil electrode R is used as an Rx electrode of the touch sensor 41, the sensor controller 31 switches each switch 56 to the selection terminal connected to one end of the corresponding coil electrode R. This causes each coil electrode R to function as a single linear electrode, and the linear electrode is connected to each inverting amplifier circuit 90, so that the sensor controller 31 can derive the position of the finger on the panel surface 3a by performing the same process as that described with reference to FIG.

[0063] As described above, according to the position detection system 1 of the present embodiment, the Rx electrode layer 42R is disposed on the opposite side to the side on which the Tx electrode layer 42T is provided, with the display image generating layer at the center. Therefore, it is possible to obtain a state in which one side (the Rx electrode layer 42R in the present embodiment) is incorporated into the display 43 together with the touch sensor 41 (and therefore, in a state in which a precise position can be determined with respect to the bending axis BA), and then only the other side (the Tx electrode layer 42T in the present embodiment) can be contrived to be folded. In the present embodiment, this contrived means that the Tx electrode layer 42T is formed in a single layer, and furthermore, only one wiring (specifically, the base 101) is arranged to be arranged across the bending axis BA. If the arrangement across the bending axis BA is to this extent, the Tx electrode layer 42T can be adapted to bending, even if it is difficult to precisely determine the position of each wiring in the Tx electrode layer 42T with respect to the bending axis BA. Therefore, it can be said that the position detection system 1 according to this embodiment makes it possible to provide a position detection device that includes a foldable display and is compatible with position detection by an electromagnetic induction pen using the EMR method.

[0064] In the present embodiment, an example in which the Tx electrode layer 42T is configured by a comb coil has been described, but the Rx electrode layer 42R may also be configured by a similar comb coil. The Tx electrode layer 42T may also be configured by a plurality of coil electrodes arranged so as not to overlap each other. In this case, if it is possible to determine the position of each coil electrode so that the bending axis BA is included in the wiring-free region between the coil electrodes, this may be done. If the wiring-free region between the coil electrodes is narrow and it is difficult to determine such a position, the position of each coil electrode may be determined so that the wiring corresponding to the connection wiring 110 shown in FIG. 8 is arranged across the bending axis BA.

[0065] 9 is a diagram showing the layer structure of structure 33 included in position detection device 3 according to a first modified example of the present embodiment. Position detection device 3 according to this modified example differs from position detection device 3 according to the present embodiment in that support plate 45 is divided into two support plates 45-1 and 45-2 with bending axis BA as the boundary.

[0066] FIG. 10 is a diagram showing a planar configuration of the Tx electrode layer 42T according to this modification. As shown in the figure, in this modification, the Tx electrode layer 42T needs to be arranged across the surfaces of the two separated support plates 45-1 and 45-2. Therefore, a bending portion 104 made of a flexible member or structure is provided between the support plates 45-1 and 45-2, and a connecting conductor 103 is formed on the surface of the bending portion 104, extending across the bending axis BA. The connecting conductor 103 electrically connects the base 101 provided on each of the support plates 45-1 and 45-2, and is preferably formed of a material or structure that is less likely to break due to bending operations compared to the base 101 and the tooth portion 100. By adopting the above configuration, this modification also makes it possible to provide a position detection device that includes a foldable display and is compatible with position detection of an electromagnetic induction pen by the EMR method.

[0067] 11 is a diagram showing the layer structure of the structure 33 included in a position detection device 3 according to a second modified example of the present embodiment. The position detection device 3 according to this modified example differs from the position detection device 3 according to the first modified example in that it does not have the adhesive layer 72 and the magnetic shield 46, and in that the Tx electrode layer 42T is disposed on the upper surfaces of the support plates 45-1 and 45-2. In this way, when the adhesive layer 72 and the magnetic shield 46 are not provided, it is preferable to dispose the Tx electrode layer 42T on the upper surfaces of the support plates 45-1 and 45-2, rather than on the lower surfaces.

[0068] 12 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to a third modified example of the present embodiment. The position detection device 3 according to this modified example differs from the position detection device 3 according to the present embodiment in that the positions of the Tx electrode layer 42T and the Rx electrode layer 42R are interchanged. In this modified example, the touch sensor 41 is included in the Tx electrode layer 42T. In this manner, the Tx electrode layer 42T may be provided in the display 43, and the Rx electrode layer 42R may be provided on the surface of the support plate 45.

[0069] FIG. 13 is a diagram showing a layer structure of the structure 33 included in the position detection device 3 according to the fourth modification of the present embodiment. The position detection device 3 according to this modification is different from the position detection device 3 according to the third modification in that the Rx electrode layer 42R is formed on the upper surface of the support plate 45. However, the Rx electrode layer 42R according to this modification is crimped to a connector terminal provided on the surface of the flexible printed circuit board 80 on the lower surface of the support plate 45, similar to the Rx electrode layer 42R according to the third modification. To achieve this, the structure 33 according to this modification has a plurality of pads for crimping on the lower surface of the support plate 45, and each Rx coil constituting the Rx electrode layer 42R is connected to each of the plurality of pads by a via conductor (not shown). In this way, the Rx electrode layer 42R may be connected to the flexible printed circuit board 80 on the surface opposite to the surface of the support plate 45 on which it is formed.

[0070] FIG. 14 is a diagram showing a layer structure of the structure 33 included in the position detection device 3 according to the fifth modified example of the present embodiment. The position detection device 3 according to this modified example differs from the position detection device 3 according to the present embodiment in that the Rx electrode layer 42R is provided in the same layer as the backplane 43b, not the touch sensor 41. In this manner, the Rx electrode layer 42R may be provided in the same layer as the backplane 43b, and in this case, each Rx coil is extended so as to avoid the pixel driving elements and wiring originally provided in the backplane 43b. Although not shown, the Tx electrode layer 42T according to the third modified example shown in FIG. 12 may also be provided in the same layer as the backplane 43b, similarly to the Rx electrode layer 42R according to this modified example.

[0071] Next, a position detection system 1 according to a second embodiment of the present invention will be described. The position detection system 1 according to this embodiment differs from the position detection system 1 according to the first embodiment in that the Rx electrode layer 42R is arranged on the lower surface of the support plate 45, and the Tx electrode layer 42T is arranged on the upper surface of the support plate 45. Since the position detection system 1 according to the first embodiment is otherwise similar to the position detection system 1 according to the first embodiment, the following description will focus on the differences from the position detection system 1 according to the first embodiment.

[0072] Fig. 15 is a diagram showing a layer structure of the structure 33 included in the position detection device 3 according to this embodiment. As shown in the figure, in the position detection device 3 according to this embodiment, the Rx electrode layer 42R is arranged on the lower surface of the support plate 45, and the Tx electrode layer 42T is arranged on the upper surface of the support plate 45. Each Rx coil in the Rx electrode layer 42R and each Tx coil in the Tx electrode layer 42T are each formed in a single layer. Specifically, each of the Rx coil and the Tx coil may be formed of a comb coil similar to those described with reference to Figs. 6 and 7, or a plurality of coils arranged so as not to overlap each other.

[0073] The multiple pads to be pressure-bonded to the connector terminals of the flexible printed circuit board 80, together with the Rx coil and the Tx coil, are provided on the lower surface of the support plate 45. Each Rx coil in the Rx electrode layer 42R is connected to a corresponding pad by wiring in the same plane (not shown), and each Tx coil in the Tx electrode layer 42T is connected to a corresponding pad by a via conductor (not shown).

[0074] As described above, according to the position detection system 1 of this embodiment, each Rx coil in the Rx electrode layer 42R and each Tx coil in the Tx electrode layer 42T are formed in a single layer on each surface of the support plate 45, so that, compared to forming them in multiple layers, even if it is difficult to precisely determine the position of the wiring in each layer with respect to the bending axis BA, it is possible to prevent breaks in wiring due to bending. Therefore, it can be said that the position detection system 1 of this embodiment also makes it possible to provide a position detection device that includes a foldable display and is compatible with position detection of an electromagnetic induction pen by the EMR method.

[0075] Furthermore, according to the position detection system 1 of this embodiment, it is possible to realize a thinner structure 33 including the EMR sensor 42, compared to a case in which either or both of the Rx coils in the Rx electrode layer 42R and the Tx coils in the Tx electrode layer 42T are formed in multiple layers.

[0076] FIG. 16 is a diagram showing a layer structure of the structure 33 included in the position detection device 3 according to the first modification of the present embodiment. The position detection device 3 according to this modification is different from the position detection device 3 according to the present embodiment in that the Rx electrode layer 42R is formed on the upper surface of the support plate 45, and the Tx electrode layer 42T is formed on the lower surface of the support plate 45. In this modification, each Tx coil in the Tx electrode layer 42T is connected to a corresponding pad by wiring in the same plane (not shown), and each Rx coil in the Rx electrode layer 42R is connected to a corresponding pad by a via conductor (not shown). With the configuration of this modification, for the same reason as in this embodiment, it is possible to provide a position detection device that includes a foldable display and is compatible with position detection of an electromagnetic induction pen by the EMR method, and it can be said that it is possible to realize a thin structure 33 including the EMR sensor 42.

[0077] FIG. 17(a) is a diagram showing the upper surface of a support plate 45 included in a position detection device 3 according to a second modified example of the present embodiment, and FIG. 17(b) is a diagram showing the lower surface of a support plate 45 included in a position detection device 3 according to a second modified example of the present embodiment. The position detection device 3 according to this modified example differs from the position detection device 3 according to the present embodiment in that the Rx electrode layer 42R and the Tx electrode layer 42T are formed on both the upper surface and the lower surface of the support plate 45. In this modified example, among the wirings formed on the Rx electrode layer 42R and the Tx electrode layer 42T, the parts extending in the y direction are formed on the upper surface of the support plate 45, and the parts extending in the x direction are formed on the lower surface of the support plate 45. The parts of each Tx coil and each Rx coil are connected to each other by via conductors VC, thereby forming one coil in a plan view. Both ends of each Tx coil and each Rx coil are connected to pads PD, respectively. For the same reasons as in the present embodiment, the configuration of this modification also makes it possible to provide a position detection device that includes a foldable display and is compatible with position detection by an electromagnetic induction pen using the EMR method, and also makes it possible to reduce the thickness of the structure 33 that includes the EMR sensor 42. It is needless to say that the Rx electrode layer 42R and the Tx electrode layer 42T may be interchanged in Figs. 17(a) and 17(b).

[0078] Next, a position detection system 1 according to a third embodiment of the present invention will be described. The position detection system 1 according to this embodiment differs from the position detection system 1 according to the first embodiment in that the display 43 is not foldable, and the Tx electrode layer 42T is provided in the same layer as the backplane 43b, not on the surface of the support plate 45. Since the position detection system 1 according to the first embodiment is otherwise similar to the position detection system 1 according to the first embodiment, the following description will focus on the differences from the position detection system 1 according to the first embodiment.

[0079] Fig. 18 is a diagram showing the layer structure of the structure 33 included in the position detection device 3 according to this embodiment. As can be seen by comparing Fig. 18 with Fig. 5, the structure 33 according to this embodiment differs from the structure 33 according to the first embodiment in that it has a cover glass 44 instead of the cover film 40, it does not have the support plate 45, the magnetic shield 46, or the adhesive layers 71 and 72, and the Tx electrode layer 42T is provided in the same layer as the backplane 43b.

[0080] The reason why the structure 33 according to the present embodiment has the cover glass 44 instead of the cover film 40 is that there is no need for folding. The cover glass 44 does not bend, but on the other hand, has higher strength and durability than the cover film 40, so when there is no need for folding, it is preferable to use the cover glass 44 instead of the cover film 40. Since the cover glass 44 with high strength is used, the support plate 45 is not necessary in the structure 33 according to the present embodiment.

[0081] Each Rx coil in the Rx electrode layer 42R according to the present embodiment is formed in a single layer on one surface (specifically, the upper surface) of the display image generating layer 43a. The specific configuration of each Rx coil may be the same as that described with reference to FIG. 8. That is, a plurality of Rx coils may be formed by a plurality of coil-shaped electrodes R that do not overlap each other, and among the conductors 111 and 112 constituting each coil-shaped electrode R, those that extend so as to overlap within the active area A may be formed by mesh electrodes, and those that extend only outside the active area A may be formed by opaque plate-shaped conductors. In addition, a connection wiring 110 that is an opaque plate-shaped conductor that connects one end of each of the conductors 111 and 112 may be provided outside the active area A.

[0082] Moreover, each Tx coil in the Tx electrode layer 42T according to the present embodiment is formed in one layer in the same layer as the backplane 43b. Specifically, like each Rx coil in the Rx electrode layer 42R described with reference to Fig. 14, each Tx coil may be extended so as to avoid pixel driving elements and wiring that are originally arranged in the backplane 43b. Moreover, the planar shape of the Tx electrode layer 42T may be a comb-shaped coil as described with reference to Fig. 6.

[0083] As described above, according to the position detection system 1 of this embodiment, each Rx coil in the Rx electrode layer 42R and each Tx coil in the Tx electrode layer 42T are formed in a single layer, so that it is possible to realize a thin structure 33 including the EMR sensor 42.

[0084] In the position detection device 3 according to the present embodiment, bending of the structure 33 does not pose a problem, but the configurations of the Rx electrode layer 42R and the Tx electrode layer 42T in the present embodiment can also be applied to the structure 33 described in the first embodiment. In that case, it becomes possible to precisely position each of the wirings in the Rx electrode layer 42R and each of the wirings in the Tx electrode layer 42T with respect to the folding axis BA, so that it becomes possible to provide a position detection device that includes a foldable display and is compatible with position detection of an electromagnetic induction pen by the EMR method.

[0085] 19 is a diagram showing a layer structure of the structure 33 included in the position detection device 3 according to the first modification of the present embodiment. The position detection device 3 according to this modification is different from the position detection device 3 according to the present embodiment in that both the Rx coil and the Tx coil constituting the EMR sensor 42 are formed in the same layer as the backplane 43b. According to this modification, although the Rx coil of the EMR sensor 42 and the Rx electrode of the touch sensor 41 cannot be configured with the same coil-shaped electrode, the Tx coil and the Rx coil of the EMR sensor 42 are each configured with a comb coil similar to those described with reference to FIGS. 6 and 7, or with a plurality of coil-shaped electrodes arranged so as not to overlap, thereby making it possible to realize a thinner structure 33 including the EMR sensor 42 compared to a case in which one or both of the Tx coil and the Rx coil of the EMR sensor 42 are configured with a multi-layer structure.

[0086] FIG. 20 is a diagram showing a layer structure of the structure 33 included in the position detection device 3 according to the second modification of the present embodiment. The position detection device 3 according to this modification is different from the position detection device 3 according to the present embodiment in that the Tx electrode layer 42T is not provided in the display 43, but is arranged below the display 43 via an adhesive layer 71. In this way, the Tx electrode layer 42T may be arranged below the display 43 via an adhesive layer 71. In this case, the specific configuration of the Tx electrode layer 42T may be a comb coil similar to that described with reference to FIG. 6 and FIG. 7, or may be a plurality of electrically separated coil-shaped electrodes. In the latter case, the plurality of Tx coils may be configured using a plurality of layers (i.e., overlapping), or may be configured in a single layer (i.e., not overlapping). If the plurality of Tx coils are formed in a single layer, the structure 33 including the EMR sensor 42 can be made thinner accordingly, and it is also possible to provide a position detection device that includes a foldable display and is compatible with position detection of an electromagnetic induction pen by the EMR method.

[0087] Next, a position detection system 1 according to a fourth embodiment of the present invention will be described. FIG. 21 is a diagram showing a layer structure of a structure 33 included in a position detection device 3 according to this embodiment. As shown in the figure, the position detection system 1 according to this embodiment is different from the position detection system 1 according to the third embodiment in that an integrated sensor 47 (integrated sensor layer) is provided on the upper surface of the display image generating layer 43a instead of the Rx electrode layer 42R including the touch sensor 41, and the Tx electrode layer 42T is not provided in the same layer as the backplane 43b. The integrated sensor 47 is an integrated sensor of the touch sensor 41 and the EMR sensor 42, and serves the roles of both the touch sensor 41 and the EMR sensor 42. Since the position detection system 1 according to the third embodiment is otherwise similar to the position detection system 1 according to the third embodiment, the following description will focus on the differences from the position detection system 1 according to the third embodiment.

[0088] Fig. 22 to Fig. 24 are diagrams showing the planar configuration of the integrated sensor 47. The integrated sensor 47 according to this embodiment is formed using two layers, with Fig. 22 showing the configuration of the lower layer and Fig. 23 showing the configuration of the upper layer. Fig. 24 also shows both layers superimposed.

[0089] 22, a lower layer includes a plurality of square mesh electrodes 120 arranged in a close-packed grid pattern at an angle of 45 degrees to the x and y directions. A square hollow portion is provided inside each mesh electrode 120, and a square mesh electrode 121 is arranged therein. Adjacent mesh electrodes 120 are insulated from each other by leaving a small gap between the mesh electrodes 121 and the mesh electrodes 120 therein. In the following, the columns of the mesh electrodes 120 arranged in a close-packed grid pattern are identified by the X coordinates (X1 to X11) shown in the figure, and the rows are identified by the Y coordinates (Y1 to Y11) shown in the figure.

[0090] Mesh electrodes 120 belonging to even-numbered rows (i.e., rows with Y coordinates of Y2, Y4, Y6, Y8, and Y10) are connected to other mesh electrodes 120 adjacent in the x direction by bridge conductors 122, which are mesh electrodes extending in the x direction. Each bridge conductor 122 is integrated with two mesh electrodes 120 adjacent in the x direction, while being insulated from two mesh electrodes 120 adjacent in the y direction by leaving a small gap between them. With the above configuration, a mesh conductor 130 extending in the x direction is formed for each even-numbered row of mesh electrodes 120.

[0091] 23, jumper wirings 123, 124 and connection wiring 125 are provided on the upper layer. Jumper wiring 123 is composed of a plurality of linear conductors extending along odd-numbered columns of mesh electrode 120 (i.e., columns with X-coordinates of X1, X3, X5, X7, X9, and X11). However, each linear conductor constituting jumper wiring 123 is cut small at a position corresponding to an even-numbered row of mesh electrode 120. Each linear conductor constituting jumper wiring 123 is connected to each other by connection wiring 125 at an end of a portion provided at one end in the y direction.

[0092] The jumper wiring 124 is composed of a plurality of linear conductors extending along the even columns (i.e., columns with X coordinates of X2, X4, X6, X8, and X10) of the mesh electrode 120. However, each linear conductor constituting the jumper wiring 124 is largely cut at a position corresponding to the odd rows (i.e., rows with Y coordinates of Y1, Y3, Y5, Y7, Y9, and Y11) of the mesh electrode 120.

[0093] 24, it can be seen that the jumper wiring 123 serves to connect the mesh electrodes 121 arranged in odd-numbered rows to each other, and the jumper wiring 124 serves to connect the mesh electrodes 120 arranged in even-numbered rows to each other. The jumper wiring 123 and the mesh electrodes 121, and the jumper wiring 124 and the mesh electrodes 120 are connected by via conductors (not shown). The mesh electrodes 121 arranged in odd-numbered rows are connected by the jumper wiring 123 to form each tooth 131 of the comb coil. The base of this comb coil is formed by the connection wiring 125. The mesh electrodes 121 arranged in even-numbered rows are connected by the jumper wiring 124 to form a linear conductor 132 extending in the y direction.

[0094] Here, in this embodiment, the term "jumper wiring" is used, but in some literature, wiring that has the same role of connecting wiring in other layers as the "jumper wiring" in this embodiment is referred to by other terms such as "bridge wiring" or "connecting conductor," and the "jumper wiring" in this embodiment includes "bridge wiring" and "connecting conductor" in this sense.

[0095] Also, in the above description, it has been stated that the jumper wiring 123 serves to connect the multiple mesh electrodes 121 arranged in odd-numbered rows to one another, but conversely, it can also be said that the multiple mesh electrodes 121 arranged in odd-numbered rows serve to connect the multiple jumper wirings 123 to one another, and in this sense, the multiple mesh electrodes 121 arranged in odd-numbered rows can also be said to be "jumper wiring," "bridge wiring," or "connecting conductors." Similarly, it can also be said that the multiple mesh electrodes 120 arranged in even-numbered rows serve to connect the multiple jumper wirings 124 to one another, and in this sense, the multiple mesh electrodes 120 arranged in even-numbered rows can also be said to be "jumper wiring," "bridge wiring," or "connecting conductors."

[0096] Fig. 25 and Fig. 26 are diagrams showing an electrical configuration of the integrated sensor 47. Fig. 25 shows a configuration in the case where the integrated sensor 47 is used as an EMR sensor, and Fig. 26 shows a configuration in the case where the integrated sensor 47 is used as a touch sensor.

[0097] 25, in order to use the integrated sensor 47 as an EMR sensor, the switch circuit 30 is configured to include switches 57a, 57b, and 58. The sensor controller 31 is configured to include Tx circuits 60a, 60b and an Rx circuit 61a. The Tx circuits 60a and 60b have output terminals for the AC currents Tx and Tx_inv described with reference to FIG. 7, respectively, and the Rx circuit 61a has a differential amplifier having a non-inverting input terminal and an inverting input terminal.

[0098] The switch 57a is a multi-throw bipolar switch including a first common terminal connected to the output end of the AC current Tx of the Tx circuit 60a, a second common terminal connected to the output end of the AC current Tx_inv of the Tx circuit 60a, and a plurality of selection terminals connected to one end of each of the plurality of mesh conductors 130. The switch 57b is a multi-throw bipolar switch including a first common terminal connected to the output end of the AC current Tx_inv of the Tx circuit 60b, a second common terminal connected to the output end of the AC current Tx of the Tx circuit 60b, and a plurality of selection terminals connected to the other end of each of the plurality of mesh conductors 130. The switch 58 is a multi-throw bipolar switch including a first common terminal and a second common terminal connected to the non-inverting input terminal and the inverting input terminal of the differential amplifier arranged in the Rx circuit 61a, respectively, and a plurality of selection terminals connected to the other end (the end opposite to the end connected to the connection wiring 125) of each of the plurality of teeth 131.

[0099] When deriving the position of the electromagnetic induction pen 2 using the integrated sensor 47, the sensor controller 31 first selects one of the mesh conductors 130, and connects the selection terminal corresponding to the mesh conductor 130 adjacent on one side to the selected mesh conductor 130 to the first common terminal in the switch 57a, and connects the selection terminal corresponding to the mesh conductor 130 adjacent on the other side to the second common terminal in the switch 57a. Similarly, the sensor controller 31 connects the selection terminal corresponding to the mesh conductor 130 adjacent on one side to the selected mesh conductor 130 to the first common terminal in the switch 57b, and connects the selection terminal corresponding to the mesh conductor 130 adjacent on the other side to the second common terminal.

[0100] After that, the sensor controller 31 starts outputting the AC currents Tx and Tx_inv from the Tx circuits 60a and 60b, respectively. As a result, AC currents flow in opposite directions on both sides of the selected mesh conductor 130, so that a virtual Tx coil is formed with the selected mesh conductor 130 as the center, and an alternating magnetic field is sent out. After a specified time has elapsed since starting to output the AC currents Tx and Tx_inv, the sensor controller 31 stops outputting the AC currents Tx and Tx_inv, and controls the switch 58 to connect one of the two adjacent teeth 131 to the non-inverting input terminal of the differential amplifier in the Rx circuit 61a, and the other to the inverting input terminal of the differential amplifier in the Rx circuit 61a. As a result, a virtual Rx coil is formed by the two teeth 131 connected to the differential amplifier in the Rx circuit 61a and the connection wiring 125 that connects them, and a pen signal generated by the pen alternating magnetic field sent out by the electromagnetic induction pen 2 in response to the alternating magnetic field is output from the output terminal of the differential amplifier.

[0101] The sensor controller 31 executes the above process while changing the combination of the mesh conductor 130 to be selected and the teeth 131 to be connected to the differential amplifier in the Rx circuit 61a, thereby acquiring the strength of the pen signal (strength of the pen alternating magnetic field) at each intersection of the virtual Tx coil and the virtual Rx coil. Then, based on the two-dimensional distribution of the acquired pen signal strength, the position of the electromagnetic induction pen 2 on the panel surface 3a is derived.

[0102] Next, referring to FIG. 26, in order to use the integrated sensor 47 as a touch sensor, the switch circuit 30 is configured to include switches 50a and 50b. The sensor controller 31 is configured to include Tx circuits 60c and 60d and an Rx circuit 61b. The Tx circuit 60c is configured to be able to output an AC current Tx, and the Tx circuit 60d is configured to be able to output an AC current Tx_inv obtained by inverting the phase of the AC current Tx. Note that the AC currents Tx and Tx_inv referred to here may be the same as the AC currents Tx and Tx_inv (AC currents for the EMR sensor) described above, or may be different. The Rx circuit 61b is configured to include an inverting amplifier circuit for each linear conductor 132. This inverting amplifier circuit may be the same as the inverting amplifier circuit 90 shown in FIG. 8. The input terminal of each inverting amplifier circuit is connected to one end of the corresponding linear conductor 132.

[0103] The switch 50a is a multi-throw single-pole switch including a common terminal connected to the output end of the AC current Tx of the Tx circuit 60c and a plurality of selection terminals connected to one end of each of the plurality of mesh conductors 130. The switch 50b is a multi-throw single-pole switch including a common terminal connected to the output end of the AC current Tx_inv of the Tx circuit 60d and a plurality of selection terminals connected to the other end of each of the plurality of mesh conductors 130.

[0104] When deriving the position of a finger using the integrated sensor 47, the sensor controller 31 first selects one of the mesh conductors 130, and connects the selection terminal corresponding to the selected mesh conductor 130 to the common terminal in each of the switches 50a and 50b.

[0105] Next, the sensor controller 31 simultaneously starts outputting the AC current Tx from the Tx circuit 60c and outputting the AC current Tx_inv from the Tx circuit 60d. While continuing this output, the sensor controller 31 acquires the intensity of the signal (hereinafter referred to as the "finger touch detection signal") output from each inverting amplifier circuit in the Rx circuit 61b.

[0106] The sensor controller 31 executes the above process while changing the selected mesh conductor 130, thereby acquiring the intensity of the finger touch detection signal for each intersection between the mesh conductor 130 and the linear conductor 132. Then, based on the two-dimensional distribution of the intensity of the acquired finger touch detection signal, the position of the finger on the panel surface 3a is derived.

[0107] As described above, according to the position detection device 3 of this embodiment, the integrated sensor 47 functioning as both an EMR sensor and a touch sensor can be formed in two layers, so that it is possible to achieve a thin structure 33 including a touch sensor and an EMR sensor, for example, to the same level as the position detection device 3 described in the third embodiment (shown in Figure 18).

[0108] Moreover, the integrated sensor 47 in this embodiment can also be applied to the structure 33 described in the first embodiment. In that case, it becomes possible to precisely position each wire of the integrated sensor 47 with respect to the folding axis BA, so that it becomes possible to provide a position detection device that includes a foldable display and is compatible with position detection of an electromagnetic induction pen by the EMR method.

[0109] In this embodiment, an example in which the integrated sensor 47 is formed in two layers has been described, but it is of course possible to form it in three layers. For example, the Tx coil and the Rx coil constituting the EMR sensor may be provided in the first and second layers, respectively, and the Tx electrode and the Rx electrode constituting the touch sensor may both be provided in the third layer, and at the intersection of the Tx electrode and the Rx electrode, either the Tx electrode or the Rx electrode may be bypassed to the second layer by using the connection wiring provided in the second layer.

[0110] 27 is a diagram showing the layer structure of the structure 33 included in the position detection device 3 according to a first modified example of the present embodiment. The position detection device 3 according to this modified example differs from the position detection device 3 according to the present embodiment in that the integrated sensor 47 is arranged outside (above) the display 43, rather than inside. The integrated sensor 47 and the display 43 are bonded together by an adhesive layer 73. With this configuration, it is possible to achieve a thinner structure 33 including a touch sensor and an EMR sensor, similar to the position detection device 3 according to the present embodiment.

[0111] FIG. 28 is a diagram showing a planar configuration of an integrated sensor 47 according to a second modified example of the present embodiment. This figure corresponds to an enlarged view of a part of the integrated sensor 47 shown in FIG. 24. As can be understood by comparing FIG. 28 with FIG. 24, the position detection device 3 according to this modified example is different from the position detection device 3 according to the present embodiment in that a pair of mesh electrodes 121 are connected to each other by a plurality of jumper wirings 123 running in parallel, and in that a plurality of bypass wirings 126 are provided at positions corresponding to the inside of each mesh electrode 121 in a plan view. The bypass wirings 126 are wirings provided in the same layer as the jumper wirings 123. In FIG. 28, the circular parts provided at the ends of each jumper wiring 123 and each bypass wiring 126 represent the positions of the via conductors connecting the jumper wirings 123 or the bypass wirings 126 to the mesh electrode 121. In this way, it is possible to make the wiring resistance of a virtual Rx coil formed by the tooth portion 131 and the connection wiring 125 smaller than that in the present embodiment.

[0112] Here, preferred configuration examples of the position detection device, sensor, and display according to this embodiment are summarized. The position detection device, sensor, and display according to this embodiment are preferably configured as follows: A1 to A14, B1 to B7, C1 to C3, D1 to D10, E1 to E7, F1 to F6, G1, H1, I1, J1, K1, L1, M1, N1, O1 to O14, P1 to P7, Q1 to Q9, R1 to R8, S1, T1, U1, V1, X1, Y1, Z1, AA1. (Configuration A1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, a display image generating layer that generates a display image according to control by a drive circuit; a Tx electrode layer on which a Tx electrode for generating an alternating magnetic field is arranged; an Rx electrode layer in which a plurality of Rx electrodes are arranged on the opposite side of the display image generating layer from the side on which the Tx electrode layer is provided, the Rx electrode layer detecting a pen alternating magnetic field generated by the pen that stores power by the alternating magnetic field; A position detection device comprising: (Configuration A2) The Tx electrodes constitute a plurality of Tx coils arranged side by side in a first direction; The plurality of Rx electrodes constitute a plurality of Rx coils arranged in a second direction intersecting the first direction. The position detection device according to configuration A1. (Configuration A3) an integrated circuit that derives coordinates of the pen based on the strength of a pen alternating magnetic field emitted by the pen in response to the alternating magnetic field at each intersection of the plurality of Tx coils and the plurality of Rx coils; The position detection device according to configuration A2, (Configuration A4) The plurality of Rx electrodes are formed as a single layer on one surface of the display image generating layer. The position detection device according to configuration A1. (Configuration A5) The plurality of Rx electrodes are composed of a plurality of coil-shaped electrodes that do not overlap each other. The position detection device according to configuration A4. (Configuration A6) Each of the coil electrodes includes a transparent portion formed of a transparent conductor. The position detection device according to configuration A5. (Configuration A7) each of the plurality of coil electrodes includes a mesh electrode having a repeating predetermined local pattern; The position detection device according to configuration A5. (Configuration A8) Among the plurality of coiled electrodes, the coiled electrodes other than the first coiled electrode and the second coiled electrode located at both ends include two of the mesh electrodes extending in parallel. The position detection device according to configuration A7. (Configuration A9) each of the coil electrodes other than the first coil electrode and the second coil electrode among the plurality of coil electrodes has a connection wiring that connects the two mesh electrodes, the connection wiring being located outside an active area where the display image is displayed; The position detection device according to configuration A8. (Configuration A10) A first coil electrode and a second coil electrode located at both ends of the plurality of coil electrodes each have an opaque metal conductor extending in parallel with the mesh electrode. The position detection device according to configuration A7. (Configuration A11) The Tx electrode is formed in one layer. The position detection device according to configuration A1. (Configuration A12) The Tx electrode is a comb-shaped coil having a configuration in which a plurality of teeth each extending in a second direction are connected at one end to a base extending in a first direction intersecting the second direction. The position detection device according to configuration A11. (Configuration A13) the comb coil includes a first comb coil provided on one side of a bending axis of a display including the display image generating layer, and a second comb coil provided on the other side of the bending axis; The base portion of the first comb coil and the base portion of the second comb coil are connected by a connection conductor extending across the bending axis. The position detection device according to configuration A12. (Configuration A14) Including a support plate, The Tx electrode is formed in a single layer on one surface of the support plate. The position detection device according to configuration A1. (Configuration B1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, a display image generating layer that generates a display image according to control by a drive circuit; a Tx electrode layer on which a Tx electrode for generating an alternating magnetic field is arranged; an Rx electrode layer on which a plurality of Rx electrodes are arranged to detect a pen alternating magnetic field generated by the pen that has stored power due to the alternating magnetic field; The plurality of Rx electrodes are formed as a single layer on one surface of the display image generating layer. Position detection device. (Configuration B2) The plurality of Rx electrodes are composed of a plurality of coil-shaped electrodes that do not overlap each other. The position detection device according to configuration B1. (Configuration B3) Each of the coil electrodes includes a transparent portion formed of a transparent conductor. The position detection device according to configuration A2. (Configuration B4) each of the plurality of coil electrodes includes a mesh electrode having a repeating predetermined local pattern; The position detection device according to configuration B2. (Structure B5) Among the plurality of coiled electrodes, the coiled electrodes other than the first coiled electrode and the second coiled electrode located at both ends include two of the mesh electrodes extending in parallel. The position detection device according to configuration B4. (Configuration B6) each of the coil electrodes other than the first coil electrode and the second coil electrode among the plurality of coil electrodes has a connection wiring that connects the two mesh electrodes, the connection wiring being located outside an active area where the display image is displayed; The position detection device according to configuration B5. (Configuration B7) A first coil electrode and a second coil electrode located at both ends of the plurality of coil electrodes each have an opaque metal conductor extending in parallel with the mesh electrode. The position detection device according to configuration B4. (Configuration C1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, a display image generating layer that generates a display image according to control by a drive circuit; a Tx electrode layer on which a Tx electrode for generating an alternating magnetic field is arranged; an Rx electrode layer including a plurality of Rx electrodes arranged to detect a pen alternating magnetic field generated by the pen that has stored power due to the alternating magnetic field; a support plate provided at a position farther from the panel surface than the display image generating layer; The Tx electrode is formed in a single layer on one surface of the support plate. A position detection device comprising: (Configuration C2) The Tx electrode is a comb-shaped coil having a configuration in which a plurality of teeth each extending in a second direction are connected at one end to a base extending in a first direction intersecting the second direction. The position detection device according to configuration C1. (Configuration C3) the support plate includes a first support plate provided on one side of a bending axis of a display including the display image generating layer, and a second support plate provided on the other side of the bending axis; the comb coil includes a first comb coil formed on one surface of the first support plate and a second comb coil formed on one surface of the second support plate, The base portion of the first comb coil and the base portion of the second comb coil are connected by a connection conductor extending across the bending axis. The position detection device according to configuration C2. (Configuration D1) A position detection device for detecting the position of a pen and a finger on a panel surface, a display image generating layer that generates a display image according to control by a drive circuit; an integrated sensor layer disposed between the panel surface and the display image generating layer; the integrated sensor layer includes a touch sensor for detecting a position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting a position of a pen on the panel surface by an electromagnetic induction effect; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. Position detection device. (Configuration D2) The integrated sensor layer is formed of two or three layers. The position detection device according to configuration D1. (Configuration D3) the plurality of first coils are formed in a first layer; each of the plurality of second electrodes has a configuration in which a portion formed in the first layer and a portion formed in a second layer different from the first layer are connected by a via conductor; The position detection device according to configuration D1. (Configuration D4) a portion of the second electrode formed on the first layer is a connection conductor that connects a plurality of portions of the second electrode formed on the second layer; The position detection device according to configuration D3. (Configuration D5) The connecting conductor is a jumper wiring or a bridge wiring. The position detection device according to configuration D4. (Configuration D6) Each of the second coils has a configuration in which a portion formed on the first layer and a portion formed on the second layer are connected by a via conductor. The position detection device according to configuration D3. (Configuration D7) a portion of the second coil formed on the first layer is a connection conductor that connects a plurality of portions of the second coil formed on the second layer, The connection conductor is formed in the same layer as at least a portion of the plurality of second electrodes. The position detection device according to configuration D4. (Configuration D8) The plurality of second electrodes and the plurality of second coils are extended so as not to overlap each other in a plan view. The position detection device according to configuration D6. (Configuration D9) The plurality of second electrodes and the plurality of second coils are alternately extended when viewed in the second direction. A position detection device according to any one of configurations D6 to D8. (Configuration D10) The plurality of first electrodes and the plurality of first coils are configured by the same wiring formed on the first layer. The position detection device according to configuration D3. (Configuration E1) A position detection device for detecting the position of a pen and a finger on a panel surface, a display image generating layer that generates a display image according to control by a drive circuit; an integrated sensor layer disposed between the panel surface and the display image generating layer; the integrated sensor layer includes a touch sensor for detecting a position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting a position of a pen on the panel surface by an electromagnetic induction effect; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction. Position detection device. (Configuration E2) The integrated sensor layer is formed of two or three layers. The position detection device according to configuration E1. (Configuration E3) the plurality of first coils are formed in a first layer; each of the plurality of second electrodes has a configuration in which a portion formed in the first layer and a portion formed in a second layer different from the first layer are connected by a via conductor; The position detection device according to configuration E1. (Configuration E4) The plurality of teeth have a configuration in which a portion formed on the first layer and a portion formed on the second layer are connected by a via conductor. The position detection device according to configuration E1. (Configuration E5) The second electrodes and the teeth are extended so as not to overlap each other in a plan view. The position detection device according to configuration E4. (Configuration E6) The plurality of second electrodes and the plurality of teeth are alternately extended when viewed in the second direction. The position detection device according to configuration E4 or E5. (Configuration E7) The plurality of first electrodes and the plurality of first coils are configured by the same wiring formed on the first layer. The position detection device according to configuration E1. (Configuration F1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, A plurality of first electrodes each having a hollow portion and arranged in a lattice pattern; a plurality of second electrodes disposed within the hollow portions of each of the plurality of first mesh electrodes; a plurality of first connection wirings that are formed in a layer different from the plurality of first electrodes and the plurality of second electrodes, and that configure a plurality of first wirings extending in the first direction by connecting two of the second electrodes adjacent to each other in a first direction; the plurality of first wirings constitute a receiving coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; Position detection device. (Configuration F2) a second connection wiring that connects one ends of the plurality of first wirings to each other; each of the first wirings constitutes a tooth of a comb coil; the second connection wiring constitutes a base of the comb coil; The position detection device according to configuration F1. (Configuration F3) a plurality of third connection wirings that are formed in the same layer as the plurality of first electrodes and that configure a plurality of second wirings extending in the second direction by connecting two of the first electrodes adjacent to each other in a second direction intersecting the first direction; the plurality of second wirings constitute a transmission coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The position detection device according to configuration F1 or F2. (Configuration F4) A plurality of third electrodes arranged in a grid pattern; a plurality of fourth connection wirings that are formed in a layer different from the plurality of first electrodes, the plurality of second electrodes, and the plurality of third electrodes, and that configure a plurality of third wirings extending in the first direction by mutually connecting two of the third electrodes adjacent to each other in the first direction; the plurality of third wirings constitute receiving electrodes of a touch sensor for detecting a position of a finger on the panel surface by a capacitive method; The plurality of second wirings are also used as transmission electrodes of the touch sensor. The position detection device according to configuration F3. (Configuration F5) Further comprising a display image generating layer that generates a display image according to control by the drive circuit; the plurality of first electrodes, the plurality of second electrodes, and the first connection wiring are disposed between the panel surface and the display image generating layer; The position detection device according to configuration F1. (Configuration F6) the plurality of first electrodes and the plurality of second electrodes are mesh electrodes; The position detection device according to configuration F5. (Configuration G1) A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; The sensor includes: disposed between the panel surface and the display image generating layer; a touch sensor for detecting the position of a finger on the panel surface by a capacitance method, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction, The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. Sensor. (Configuration H1) A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the sensor includes a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. Sensor. (Configuration I1) A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; The sensor includes: disposed between the panel surface and the display image generating layer; a touch sensor for detecting the position of a finger on the panel surface by a capacitance method, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction, The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction. Sensor. (Configuration J1) A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the sensor includes a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction. Sensor. (Configuration K1) A sensor used with an electronic device that detects the position of a pen on a panel surface by electromagnetic induction, A plurality of first electrodes each having a hollow portion and arranged in a lattice pattern; a plurality of second electrodes disposed within the hollow portions of each of the plurality of first mesh electrodes; a plurality of first connection wirings that are formed in a layer different from the plurality of first electrodes and the plurality of second electrodes, and that configure a plurality of first wirings extending in the first direction by connecting two of the second electrodes adjacent to each other in a first direction; the plurality of first wirings constitute a receiving coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; Sensor. (Configuration L1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor disposed between a panel surface and the display image generating layer, the sensor being used to detect the position of a pen on the panel surface by electromagnetic induction; the sensor includes a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. display. (Configuration M1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor disposed between a panel surface and the display image generating layer, the sensor being used to detect the position of a pen on the panel surface by electromagnetic induction; the sensor includes a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base extending in the second direction. display. (Configuration N1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor disposed between a panel surface and the display image generating layer, the sensor being used to detect the position of a pen on the panel surface by electromagnetic induction; A plurality of first electrodes each having a hollow portion and arranged in a lattice pattern; a plurality of second electrodes disposed within the hollow portions of each of the plurality of first mesh electrodes; a plurality of first connection wirings that are formed in a layer different from the plurality of first electrodes and the plurality of second electrodes, and that configure a plurality of first wirings extending in the first direction by connecting two of the second electrodes adjacent to each other in a first direction; the plurality of first wirings constitute a receiving coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; display. (Configuration O1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, a display image generating layer that generates a display image according to control by a drive circuit; a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer in which one or more second electrodes constituting a plurality of second coils arranged in a second direction intersecting with the first direction are arranged on the opposite side to the side on which the first electrode layer is provided with respect to the display image generating layer; A position detection device comprising: (Configuration O2) An alternating magnetic field is emitted from the first electrode; Detecting a pen alternating magnetic field generated by the pen that has accumulated an electrode by the alternating magnetic field using the second electrode; The position detection device according to configuration O1. (Configuration O3) an integrated circuit that derives coordinates of the pen based on the strength of a pen alternating magnetic field emitted by the pen in response to the alternating magnetic field at each intersection of the first coils and the second coils; The position detection device according to configuration O2, (Configuration O4) The one or more second electrodes are formed as a single layer on one surface of the display image generating layer. The position detection device according to configuration O1. (Configuration O5) The one or more second electrodes are composed of a plurality of coil-shaped electrodes that do not overlap each other. The position detection device according to configuration O4. (Configuration O6) Each of the coil electrodes includes a transparent portion formed of a transparent conductor. The location detection device according to configuration O5. (Configuration O7) each of the plurality of coil electrodes includes a mesh electrode having a repeating predetermined local pattern; The location detection device according to configuration O5. (Configuration O8) Among the plurality of coiled electrodes, the coiled electrodes other than the first coiled electrode and the second coiled electrode located at both ends include two of the mesh electrodes extending in parallel. The position detection device according to configuration O7. (Configuration O9) each of the coil electrodes other than the first coil electrode and the second coil electrode among the plurality of coil electrodes has a connection wiring that connects the two mesh electrodes, the connection wiring being located outside an active area where the display image is displayed; The position detection device according to configuration O8. (Configuration O10) A first coil electrode and a second coil electrode located at both ends of the plurality of coil electrodes each have an opaque metal conductor extending in parallel with the mesh electrode. The position detection device according to configuration O7. (Configuration O11) The one or more first electrodes are formed in a single layer. The position detection device according to configuration O1. (Configuration O12) The one or more first electrodes are comb coils each having a configuration in which a plurality of teeth extending in the second direction are connected at one end to a base extending in the first direction. The position detection device according to configuration O11. (Configuration O13) the comb coil includes a first comb coil provided on one side of a bending axis of a display including the display image generating layer, and a second comb coil provided on the other side of the bending axis; The base portion of the first comb coil and the base portion of the second comb coil are connected by a connection conductor extending across the bending axis. The position detection device according to configuration O12. (Configuration O14) Including a support plate, The one or more first electrodes are formed as a single layer on one surface of the support plate. The position detection device according to configuration O1. (Configuration P1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, a display image generating layer that generates a display image according to control by a drive circuit; a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are arranged; The one or more second electrodes are formed as a single layer on one surface of the display image generating layer. Position detection device. (Configuration P2) The one or more second electrodes are composed of a plurality of coil-shaped electrodes that do not overlap each other. The position detection device according to configuration P1. (Configuration P3) Each of the coil electrodes includes a transparent portion formed of a transparent conductor. The position detection device according to configuration P2. (Configuration P4) each of the plurality of coil electrodes includes a mesh electrode having a repeating predetermined local pattern; The position detection device according to configuration P2. (Configuration P5) Among the plurality of coiled electrodes, the coiled electrodes other than the first coiled electrode and the second coiled electrode located at both ends include two of the mesh electrodes extending in parallel. The position detection device according to configuration P4. (Configuration P6) each of the coil electrodes other than the first coil electrode and the second coil electrode among the plurality of coil electrodes has a connection wiring that connects the two mesh electrodes, the connection wiring being located outside an active area where the display image is displayed; The position detection device according to configuration P5. (Configuration P7) A first coil electrode and a second coil electrode located at both ends of the plurality of coil electrodes each have an opaque metal conductor extending in parallel with the mesh electrode. The position detection device according to configuration P4. (Configuration Q1) A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, a display image generating layer that generates a display image according to control by a drive circuit; a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged in a second direction intersecting the first direction are arranged; a support plate provided at a position farther from the panel surface than the display image generating layer; The one or more first electrodes are formed on the support plate. Position detection device. (Configuration Q2) An alternating magnetic field is emitted from the first electrode; Detecting a pen alternating magnetic field generated by the pen that has accumulated an electrode by the alternating magnetic field using the second electrode; The position detection device according to configuration Q1. (Configuration Q3) An alternating magnetic field is emitted from the second electrode; Detecting a pen alternating magnetic field generated by the pen storing an electrode by the alternating magnetic field using the first electrode; The position detection device according to configuration Q1. (Configuration Q4) The one or more first electrodes are comb coils each having a configuration in which a plurality of teeth extending in the second direction are connected at one end to a base extending in the first direction. The position detection device according to configuration Q1. (Configuration Q5) the support plate includes a first support plate provided on one side of a bending axis of a display including the display image generating layer, and a second support plate provided on the other side of the bending axis; the comb coil includes a first comb coil formed on one surface of the first support plate and a second comb coil formed on one surface of the second support plate, The base portion of the first comb coil and the base portion of the second comb coil are connected by a connection conductor extending across the bending axis. The position detection device according to configuration Q4. (Configuration Q6) the one or more first electrodes are formed as a single layer on one surface of the support plate; The one or more second electrodes are formed as a single layer on the other surface of the support plate. A position detection device according to any one of configurations Q1 to Q3. (Configuration Q7) a plurality of pads formed on the one surface of the support plate; each of the one or more first electrodes is connected to any one of the plurality of pads by wiring in the same plane; Each of the one or more second electrodes is connected to any one of the plurality of pads by a via conductor provided in the support plate. The position detection device according to configuration Q6. (Configuration Q8) the one or more first electrodes have a configuration in which a portion formed as a single layer on one surface of the support plate and a portion formed as a single layer on the other surface of the support plate are mutually connected by via conductors provided in the support plate, The one or more second electrodes have a configuration in which a portion formed as a single layer on one surface of the support plate and a portion formed as a single layer on the other surface of the support plate are mutually connected by via conductors provided in the support plate. A position detection device according to any one of configurations Q1 to Q3. (Configuration Q9) a plurality of pads formed on the one surface of the support plate; each of the one or more first electrodes is connected to any one of the plurality of pads by a wiring formed on one surface of the support plate; Each of the one or more second electrodes is connected to any one of the plurality of pads by wiring formed on one surface of the support plate. The position detection device according to configuration Q8. (Configuration R1) A position detection device for detecting the position of a pen and a finger on a panel surface, a display image generating layer that generates a display image according to control by a drive circuit; a plurality of coil electrodes disposed between the panel surface and the display image generating layer; Each of the plurality of coil electrodes has a configuration in which one end of each of two conductors extending in parallel along a first direction is connected by a connection wiring extending in a second direction intersecting the first direction, Of the two conductors constituting each of the plurality of coil-shaped electrodes, the one extending to overlap the area where the display image is displayed in a plan view is composed of a mesh electrode or a transparent electrode. Position detection device. (Configuration R2) Each of the plurality of coil electrodes is formed in a Π shape. The position detection device according to configuration R1. (Configuration R3) The coil electrodes are electrically isolated from one another. The position detection device according to configuration R1. (Configuration R4) The plurality of coil electrodes are formed in one layer. The position detection device according to configuration R1. (Configuration R5) Of the two conductors constituting each of the plurality of coil-shaped electrodes, one extends so as to overlap an area where the display image is displayed in a plan view, and the connection wiring constituting each of the plurality of coil-shaped electrodes is composed of an opaque plate-shaped conductor. The position detection device according to configuration R1. (Configuration R6) a switch circuit which grounds the other end of each of the plurality of coil electrodes when the plurality of coil electrodes are used as an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction, and which connects one end and the other end of each of the plurality of coil electrodes to each other when the plurality of coil electrodes are used as a touch sensor for detecting the position of a finger on the panel surface by a capacitive method; A position detection device according to any one of configurations R1 to R5, further comprising: (Configuration R7) The plurality of coil-shaped electrodes are used as receiving coils of the EMR sensor and receiving electrodes of the touch sensor, One end of each of the plurality of coil electrodes is connected to a receiving circuit. The position detection device according to configuration R6. (Configuration R8) A transmitter coil of the EMR sensor; A transmitting electrode of the touch sensor; The position detection device according to configuration R7, further comprising: (Configuration S1) A sensor used with an electronic device that detects the position of a pen on a panel surface by electromagnetic induction, the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; The sensor includes: a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are disposed on the opposite side to the side on which the first electrode layer is disposed with the display image generating layer as the center. Sensor. (Configuration T1) A sensor used with an electronic device that detects the position of a pen on a panel surface by electromagnetic induction, the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; The sensor includes: a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are arranged; The one or more second electrodes are formed as a single layer on one surface of the display image generating layer. Sensor. (Configuration V1) A sensor used with an electronic device that detects the position of a pen on a panel surface by electromagnetic induction, The electronic device includes: a display image generating layer that generates a display image according to control by a drive circuit; a support plate provided at a position farther from the panel surface than the display image generating layer; The sensor includes: a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are arranged; The one or more first electrodes are formed on the support plate. Sensor. (Configuration W1) A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; the sensor includes a plurality of coil electrodes disposed between the panel surface and the display image generating layer; Each of the plurality of coil electrodes has a configuration in which one end of each of two conductors extending in parallel along a first direction is connected by a connection wiring extending in a second direction intersecting the first direction, Of the two conductors constituting each of the plurality of coil-shaped electrodes, the one extending to overlap the area where the display image is displayed in a plan view is composed of a mesh electrode or a transparent electrode. Sensor. (Configuration X1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor used to detect the position of the pen on the panel surface by electromagnetic induction; The sensor includes: a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are disposed on the opposite side to the side on which the first electrode layer is disposed with the display image generating layer as the center. display. (Configuration Y1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor used to detect the position of the pen on the panel surface by electromagnetic induction; The sensor includes: a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are arranged; The one or more second electrodes are formed as a single layer on one surface of the display image generating layer. display. (Configuration Z1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor used to detect the position of the pen on the panel surface by electromagnetic induction; a support plate provided at a position farther from the panel surface than the display image generating layer; The sensor includes: a first electrode layer on which one or more first electrodes constituting a plurality of first coils arranged in a first direction are arranged; a second electrode layer on which one or more second electrodes constituting a plurality of second coils arranged side by side in a second direction intersecting the first direction are arranged; The one or more first electrodes are formed on the support plate. display. (Configuration AA1) a display image generating layer that generates a display image according to control by a drive circuit; a sensor used to detect the position of the pen on the panel surface by electromagnetic induction; the sensor includes a plurality of coil electrodes disposed between the panel surface and the display image generating layer; Each of the plurality of coil electrodes has a configuration in which one end of each of two conductors extending in parallel along a first direction is connected by a connection wiring extending in a second direction intersecting the first direction, Of the two conductors constituting each of the plurality of coil-shaped electrodes, the one extending to overlap the area where the display image is displayed in a plan view is composed of a mesh electrode or a transparent electrode. display.

[0113] Although the preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and it goes without saying that the present invention can be embodied in various forms without departing from the spirit of the present invention. [Explanation of symbols]

[0114] 1 Position Detection System 2. Electromagnetic induction pen 3 Position detection device 3a Panel surface 30 Switch Circuit 31 Sensor Controller 32 Host Processor 33 Structure 40 Cover Film 41 Touch Sensor 42 EMR sensor 42R Rx electrode layer 42T Tx electrode layer 43 Display 43a Active Layer 43b Backplane 44 Coverslip 45,45-1,45-2 Support plate 46 Magnetic Shield 47 Integrated Sensors 50~53,55,56,58,50a,50b,57a,57b Switch 60,60a,60b,60c,60d Tx circuit 61,61a,61b Rx circuit 62 Y-axis circuit 63 X-axis circuit 71~73 Adhesive layer 80 Flexible Printed Circuit Board 90 Inverting amplifier circuit 100 Tooth 101 Base 102 Pad 103 Connecting conductor 104 Bending part 110 Connection wiring 111,112 Conductor 120,121 Mesh electrodes 122 Bridge Conductor 123,124 Jumper wiring 125 Connection Wiring 130 Mesh Conductor 131 Teeth 132 Linear conductor A Active Area BA Bending shaft LCx,LCy loop coil R Coiled electrode

Claims

1. A position detection device for detecting the position of a pen and a finger on a panel surface, a display image generating layer that generates a display image according to control by a drive circuit; an integrated sensor layer disposed between the panel surface and the display image generating layer; the integrated sensor layer includes a touch sensor for detecting a position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting a position of a pen on the panel surface by an electromagnetic induction effect; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. Position detection device.

2. The integrated sensor layer is formed of two or three layers. The position detection device according to claim 1 .

3. the plurality of first coils are formed in a first layer; each of the plurality of second electrodes has a configuration in which a portion formed in the first layer and a portion formed in a second layer different from the first layer are connected by a via conductor; The position detection device according to claim 1 .

4. a portion of the second electrode formed on the first layer is a connection conductor connecting a plurality of portions of the second electrode formed on the second layer; The position detection device according to claim 3 .

5. The connecting conductor is a jumper wiring or a bridge wiring.

5. The position detection device according to claim 4.

6. Each of the second coils has a configuration in which a portion formed on the first layer and a portion formed on the second layer are connected by a via conductor. The position detection device according to claim 3 .

7. a portion of the second coil formed on the first layer is a connection conductor that connects a plurality of portions of the second coil formed on the second layer, the connecting conductor is formed in the same layer as at least a portion of the plurality of second electrodes; 5. The position detection device according to claim 4.

8. The plurality of second electrodes and the plurality of second coils are extended so as not to overlap each other in a plan view. The position detection device according to claim 6.

9. The plurality of second electrodes and the plurality of second coils are alternately extended when viewed in the second direction. The position detection device according to any one of claims 6 to 8.

10. The plurality of first electrodes and the plurality of first coils are configured by the same wiring formed on the first layer. The position detection device according to claim 3 .

11. A position detection device for detecting the position of a pen and a finger on a panel surface, a display image generating layer that generates a display image according to control by a drive circuit; an integrated sensor layer disposed between the panel surface and the display image generating layer; the integrated sensor layer includes a touch sensor for detecting a position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting a position of a pen on the panel surface by an electromagnetic induction effect; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The plurality of second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base portion extending in the second direction. Position detection device.

12. The integrated sensor layer is formed of two or three layers. The position detection device according to claim 11.

13. the plurality of first coils are formed in a first layer; each of the plurality of second electrodes has a configuration in which a portion formed in the first layer and a portion formed in a second layer different from the first layer are connected by a via conductor; The position detection device according to claim 11.

14. The plurality of teeth have a configuration in which a portion formed on the first layer and a portion formed on the second layer are connected by a via conductor. The position detection device according to claim 13.

15. The plurality of second electrodes and the plurality of teeth are extended so as not to overlap each other in a plan view. The position detection device according to claim 14.

16. The plurality of second electrodes and the plurality of teeth are alternately extended when viewed in the second direction.

16. A position detection device according to claim 14 or 15.

17. The plurality of first electrodes and the plurality of first coils are configured by the same wiring formed on the first layer. The position detection device according to claim 13.

18. A position detection device that detects the position of a pen on a panel surface by electromagnetic induction, A plurality of first electrodes each having a hollow portion and arranged in a lattice pattern; a plurality of second electrodes disposed within the hollow portions of the plurality of first mesh electrodes; a plurality of first connection wirings that are formed in a layer different from the plurality of first electrodes and the plurality of second electrodes, and that configure a plurality of first wirings extending in the first direction by connecting two of the second electrodes adjacent to each other in a first direction; the plurality of first wirings constitute a receiving coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; Position detection device.

19. a second connection wiring that connects one ends of the plurality of first wirings to each other; each of the first wirings constitutes a tooth of a comb coil; the second connection wiring constitutes a base of the comb coil; The position detection device according to claim 18.

20. a plurality of third connection wirings that are formed in the same layer as the plurality of first electrodes and that configure a plurality of second wirings extending in the second direction by connecting two of the first electrodes adjacent to each other in a second direction intersecting the first direction; the plurality of second wirings constitute a transmission coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; 20. A position detection device according to claim 18 or 19.

21. A plurality of third electrodes arranged in a grid pattern; a plurality of fourth connection wirings that are formed in a layer different from the plurality of first electrodes, the plurality of second electrodes, and the plurality of third electrodes, and that configure a plurality of third wirings extending in the first direction by mutually connecting two of the third electrodes adjacent to each other in the first direction; the third wirings constitute receiving electrodes of a touch sensor for detecting a position of a finger on the panel surface by a capacitive method; The plurality of second wirings are also used as transmission electrodes of the touch sensor. The position detection device according to claim 20.

22. Further comprising a display image generating layer that generates a display image according to control by the drive circuit; the plurality of first electrodes, the plurality of second electrodes, and the first connection wiring are disposed between the panel surface and the display image generating layer; The position detection device according to claim 18.

23. the plurality of first electrodes and the plurality of second electrodes are mesh electrodes; 23. The position detection device according to claim 22.

24. A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; The sensor includes: disposed between the panel surface and the display image generating layer; a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. Sensor.

25. A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the sensor includes a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; At least a portion of each of the plurality of second electrodes is formed in the same layer as the plurality of first coils or the plurality of second coils. Sensor.

26. A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the electronic device includes a display image generating layer that generates a display image according to control by a drive circuit; The sensor includes: disposed between the panel surface and the display image generating layer; a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The plurality of second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base portion extending in the second direction. Sensor.

27. A sensor for use with an electronic device that detects the position of a pen or finger on a panel surface, comprising: the sensor includes a touch sensor for detecting the position of a finger on the panel surface by a capacitive touch sensor, and an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; The touch sensor includes a plurality of first electrodes arranged side by side in a first direction and a plurality of second electrodes arranged side by side in a second direction intersecting the first direction; the EMR sensor includes a plurality of first coils arranged side by side in the first direction and a plurality of second coils arranged side by side in the second direction; The plurality of second coils are each formed of a comb coil having a configuration in which a plurality of teeth extending in the first direction are connected at one end to a base portion extending in the second direction. Sensor.

28. A sensor used with an electronic device that detects the position of a pen on a panel surface by electromagnetic induction, A plurality of first electrodes each having a hollow portion and arranged in a lattice pattern; a plurality of second electrodes disposed within the hollow portions of the plurality of first mesh electrodes; a plurality of first connection wirings that are formed in a layer different from the plurality of first electrodes and the plurality of second electrodes, and that configure a plurality of first wirings extending in the first direction by connecting two of the second electrodes adjacent to each other in a first direction; the plurality of first wirings constitute a receiving coil of an EMR sensor for detecting the position of a pen on the panel surface by electromagnetic induction; Sensor.

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