Display devices

Abstract

A display device is disclosed, comprising: a display panel configured to display an image; and a touch antenna array disposed on the display panel. The touch antenna array may include touch electrodes, touch wiring electrically connected to the touch electrodes, antenna electrodes including a plurality of antenna elements, feed lines electrically connected to the antenna electrodes, and shielding electrodes disposed between the touch wiring and the feed lines.

Description

Technical Field

[0001] This disclosure generally relates to a display device, and more specifically to a touch screen display device with an embedded antenna. Background Technology

[0002] Modern display devices such as smartphones, laptops, tablets, and televisions typically include one or more embedded antennas to perform communication functions. Various types and arrangements of embedded antennas have been explored with the aim of occupying minimal space within the device and minimizing interference with the internal electronics of the display.

[0003] Touchscreen devices are typically constructed as a stacked structure, with a display panel on the bottom layer and a transparent conductive touch grid on the top layer. In a touchscreen, when a user touches an area of ​​the touch grid, the touch causes a change in impedance at that area, typically a change in capacitance (but in some cases a change in resistance). This impedance change indicates user input at that area and is detected by circuitry connected to the touch grid, causing the device to initiate a predetermined response. Summary of the Invention

[0004] Some example embodiments provide a display device including touch electrodes for touch input functionality and antenna electrodes for communication functionality.

[0005] According to one aspect of an example embodiment, the display device may include: a display panel configured to display an image; and a touch antenna array disposed on the display panel. The touch antenna array may include: touch electrodes; touch wiring electrically connected to the touch electrodes; antenna electrodes having a plurality of antenna elements; a feed line electrically connected to the antenna electrodes; and a shielding electrode disposed between the touch wiring and the feed line.

[0006] In an example embodiment, the display device may include a display area and a non-display area, with an image displayed in the display area and the non-display area in contact with the display area. Additionally, antenna electrodes may be disposed adjacent to the non-display area in the display area.

[0007] In an example embodiment, the touch antenna array may further include ground wiring spaced apart from the touch wiring, a ground voltage or constant voltage being applied to the ground wiring, and shielding electrodes may be electrically connected to the ground wiring.

[0008] In the example embodiment, touch wiring, grounding wiring, feed lines, and shielding electrodes can be located in the non-display area.

[0009] In an example embodiment, when viewed in a plan view, the antenna electrodes may be spaced apart from the touch electrodes so as not to overlap with them.

[0010] In an example embodiment, the touch electrode and the antenna electrode may be disposed on the same layer.

[0011] In an example embodiment, the display device may further include: a first insulating layer disposed between the touch wiring and the shielding electrode; and a second insulating layer disposed between the shielding electrode and the feed line.

[0012] In an example embodiment, the feed line and antenna electrodes can contact each other through contact holes formed in the insulating layer.

[0013] In an example embodiment, the touch antenna array may further include ground wiring spaced apart from the touch wiring, to which a ground voltage or constant voltage is applied, and shielding electrodes may extend from the ground wiring.

[0014] In an example embodiment, the touch antenna array may further include ground wiring spaced apart from the touch wiring, to which a ground voltage or constant voltage is applied, and the shielding electrode and the ground wiring may contact each other through contact holes formed in an insulating layer.

[0015] In an example embodiment, the touch antenna array may further include ground wiring spaced apart from the touch wiring, to which a ground voltage or constant voltage is applied, and the ground wiring and touch wiring may be disposed on different layers.

[0016] In an example embodiment, the antenna electrode may include a repeating pattern shape, and the touch electrode may include the same pattern shape as the antenna electrode.

[0017] In an example embodiment, the pattern shape of the antenna electrodes may include a grid pattern or a mesh pattern.

[0018] In the example embodiment, the display panel may be an organic light-emitting diode (OLED) display panel. Additionally, a first power supply voltage, a second power supply voltage, or an initialization voltage for driving the OLED display panel may be applied to the shielding electrode.

[0019] In an example embodiment, the display device may further include: a substrate film disposed between the touch electrode and the antenna electrode; and an adhesive layer bonded to the substrate film.

[0020] In an example embodiment, the display panel may include: a substrate; a thin-film transistor layer disposed on the substrate and including thin-film transistors; a pixel defining layer disposed on the thin-film transistor layer and configured to define an opening; and a light-emitting structure disposed in the opening of the pixel defining layer. Additionally, the emitting region may be defined to correspond to the opening of the pixel defining layer. Furthermore, the antenna electrode may have a patterned shape including the opening to avoid overlapping with the emitting region.

[0021] In an example embodiment, the touch electrode may not overlap with the emission area.

[0022] In an example embodiment, the display device may include a display area and a non-display area, with an image displayed in the display area and the non-display area in contact with the display area. Additionally, touch wiring may be disposed in the non-display area, while antenna electrodes and touch electrodes may be disposed in the display area.

[0023] In the example embodiment, the connection between the non-display area and the display area can be folded so that the non-display area is positioned on the rear side of the display area.

[0024] In an example embodiment, the display area of ​​the display device may include a main display area and an edge display area connected to the main display area. Additionally, a non-display area may contact the edge display area, and the edge display area may have a curved surface that curves in a direction perpendicular to the main display area. Furthermore, antenna electrodes may be disposed in the edge display area.

[0025] According to one aspect of an example embodiment, a display device may include: a display panel including a display area and a non-display area, displaying an image in the display area and the non-display area contacting one side of the display area; a touch antenna array disposed on the display panel; and a touch antenna driver disposed in the non-display area of ​​the display panel. The touch antenna array may include: touch electrodes disposed in the display area; and antenna electrodes having a plurality of antenna elements disposed in the display area and formed on the same layer as the touch electrodes. Additionally, the touch antenna driver may transmit electrical signals to and / or receive electrical signals from the touch electrodes and the antenna electrodes.

[0026] According to one aspect of an example embodiment, the display device may include: a display panel configured to display an image; and a touch antenna array disposed on the display panel. Here, the touch antenna array may include: touch electrodes; touch wiring electrically connected to the touch electrodes; antenna electrodes including a plurality of antenna elements; a feed line electrically connected to the antenna electrodes; and a shielding electrode to which a ground voltage or a constant voltage is applied. Furthermore, at least two of the touch wiring, feed line, and shielding electrode may at least partially overlap each other.

[0027] The display device according to an example embodiment may include a display panel for displaying images and a touch antenna array disposed on the display panel. The touch antenna array may include touch electrodes and antenna electrodes to perform touch and antenna functions. In the various embodiments outlined above, since a shielding electrode to which a ground voltage or constant voltage is applied is disposed between a touch wiring electrically connected to the touch electrodes and a feed line electrically connected to the antenna electrodes, signal distortion problems caused by coupling capacitance between the touch wiring and the feed line driven at different frequencies and voltages can be prevented. Attached Figure Description

[0028] The illustrative, non-limiting exemplary embodiments will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings.

[0029] Figure 1 This is a block diagram schematically illustrating a display device according to an example embodiment.

[0030] Figure 2 It is shown Figure 1 A plan view of the touch antenna array in the image.

[0031] Figure 3 It is along Figure 1 A cross-sectional view of the antenna electrodes and feed lines of the display device.

[0032] Figure 4 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0033] Figure 5 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0034] Figure 6 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0035] Figure 7 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0036] Figure 8 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0037] Figure 9 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0038] Figure 10 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0039] Figure 11This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0040] Figure 12 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0041] Figure 13 This is a plan view showing the antenna electrodes and feed lines of a display device according to an example embodiment.

[0042] Figure 14 It is along Figure 13 The sectional view taken by line I-I' in the middle.

[0043] Figure 15 This is a cross-sectional view showing the display panel of a display device according to an example embodiment.

[0044] Figure 16 This is a block diagram schematically illustrating a display device according to an example embodiment.

[0045] Figure 17 This is a perspective view showing a display device according to an example embodiment.

[0046] Figure 18 It is shown Figure 17 A cross-sectional view of the first edge region of the display device.

[0047] Figure 19 This is a cross-sectional view showing the first edge region of a display device according to an example embodiment.

[0048] Figure 20 This is a block diagram illustrating an electronic device according to an example embodiment. Detailed Implementation

[0049] In the following, embodiments of the inventive concept will be described in detail with reference to the accompanying drawings.

[0050] In this document, the term "touch antenna array" refers to a device comprising an arrangement of conductive elements, wherein at least a first portion of the conductive elements forms an antenna array and a second portion forms a touch sensor for a touchscreen or touch panel. In some embodiments, the conductive elements forming the antenna array are independent of other conductive elements forming the touch sensor, but may cover the touchscreen or touch panel. In other embodiments, at least some of the conductive elements forming the antenna array also form part of the touch sensor.

[0051] Figure 1This is a block diagram schematically illustrating exemplary components of a display device 100 according to an example embodiment. The display device 100 may include a display panel DP, a scan driver SCAN, a data driver DD, a transmit control driver EM, a controller CON, a touch antenna array TA, a touch driver TSP, and an antenna driver AD, as described below.

[0052] The display panel DP may include multiple pixels for displaying images. For example, the display panel DP may include n×m pixels (where n and m are both integers greater than 1) located at the intersection of a scan line extending along a first direction D1 and a data line extending along a second direction D2 perpendicular to the first direction D1. Various known structures can be used for the structure of pixels, and their detailed descriptions will be omitted.

[0053] The scan driver SCAN can sequentially provide scan signals to pixels through scan lines based on control signals received from the controller CON.

[0054] The data driver DD can provide data signals to the pixels via data lines based on control signals received from the controller CON.

[0055] The transmit control driver EM can sequentially provide transmit control signals to the pixels via transmit control lines based on the control signals received from the controller CON.

[0056] The controller CON can control the scan driver SCAN, the data driver DD, and the transmit control driver EM. The controller CON can generate control signals to control the scan driver SCAN, the data driver DD, and the transmit control driver EM.

[0057] Additionally, the display device 100 may also include a power supply unit (not shown), which is configured to supply a first power supply voltage ELVDD, a second power supply voltage ELVSS, and an initialization voltage VINT to the display panel DP.

[0058] A touch antenna array (TA) may include touch electrodes and “antenna electrodes” (interchangeably, “antenna array”), wherein the touch electrodes include multiple touch electrode elements for touch input functionality, and the “antenna electrodes” include multiple antenna elements for communication functionality. The touch antenna array (TA) may also include touch wiring, grounding wiring, an antenna feed network (hereinafter, “feed”), and shielding electrodes.

[0059] The touch wiring can be electrically connected to the touch electrodes. A ground voltage or a fixed voltage SV can be applied to the ground wiring. In an example embodiment, the ground voltage or fixed voltage SV can be the same voltage as any one of the first power supply voltage ELVDD, the second power supply voltage ELVSS, and the initialization voltage VINT.

[0060] The feed line can be electrically connected to the antenna electrodes. The shielding electrodes can be electrically connected to the ground wiring and can be positioned between the touch wiring and the feed line. See below for reference. Figure 2 and Figure 3 A detailed description of an example of a touch antenna array (TA).

[0061] A touch driver (TSP) can send electrical signals to touch electrodes and receive electrical signals from touch electrodes to detect user touches.

[0062] An antenna driver (AD) can transmit electrical signals (e.g., radio frequency (RF) signals) to antenna electrodes and / or receive RF signals from antenna electrodes to perform transmit / receive communication functions. The RF signal can be a signal wirelessly transmitted to / received from another device at any suitable frequency and can be in the range from submicrowave frequencies (below approximately 1 GHz) to millimeter-wave frequencies (above approximately 30 GHz). According to embodiments, the transmit / receive communication function can be a far-field communication function or a near-field communication function.

[0063] The antenna driver AD may include a radio frequency integrated circuit (RFIC) configured to feed power to and / or receive power from the antenna electrodes. The RFIC may include a high-power amplifier (HPA) and a low-noise amplifier (LNA). In this configuration, a transmitted signal sent through the HPA can be radiated through the antenna electrodes, and a received signal received through the antenna electrodes can be amplified by the LNA.

[0064] Figure 2 It is shown Figure 1 A plan view of an example touch antenna array TA of a display device 100.

[0065] Reference Figures 1 to 2 The touch antenna array TA of the display device 100 may include an antenna array 210 disposed in the display area AA and touch electrodes TE. The antenna array 210 includes N antenna electrodes 210_1 to 210_N, and the touch electrodes TE include multiple touch electrodes such as TE1_1 in the upper left corner and TE2_k in the lower right corner. The touch antenna array TA may include a touch driver TSP disposed in the non-display area NAA and configured to drive the touch electrodes TE, and an antenna driver AD configured to drive the antenna electrodes 210. Although in Figure 1 In the embodiments depicted, the TSP is portrayed as separate from the touch antenna array TA, but it can be as follows: Figure 2 The embodiment shown is part of a touch antenna array TA. The touch antenna array TA may also include a feed line 212, a touch wiring TW including a first touch wiring RXL and a second touch wiring TXL, a ground wiring, and a shielding electrode electrically connected to the ground wiring.

[0066] The display device 100 may include, on a plane defined by a first direction D1 and a second direction D2 perpendicular to the first direction D1, a display area AA in which an image is displayed and a non-display area NAA adjacent to and in contact with the display area AA. The display area AA may be an area in which pixels of a display panel DP are provided to display an image, and may receive touch input from a user. The non-display area NAA may be an area in which no image is displayed, and may be covered by a light-blocking portion (not shown) or as will be referred to below. Figure 18 The settings described are on the back side of the display area AA.

[0067] The touch electrodes TE may include first touch electrodes TE1 (such as TE1_1 to TE1_j) and second touch electrodes TE2 (such as TE2_1 to TE2_k), the first touch electrodes TE1 and the second touch electrodes TE2 being arranged in alternating columns relative to a first direction D1 and in alternating rows relative to a second direction D2. In the example shown, each of the first touch electrodes TE1 and the second touch electrodes TE2 has a parallelogram shape such as a square (except for the electrodes at the edges of the display area, which may be triangular), and the parallelogram shape has a first set of opposite angles aligned in the first direction D1 and another set of opposite angles aligned in the second direction D2. The first touch electrodes TE1 may be electrically connected to each other in the first direction D1 (i.e., the row direction). The first touch electrodes TE1 may be electrically connected to first touch wiring RXL (such as RXL1 to RXLj). Touch wiring TW may be electrically connected to touch driver TSP.

[0068] The second touch electrodes TE2 can be electrically connected to each other in the second direction D2 (i.e., the column direction). The second touch electrodes TE2 can be electrically connected to the second touch wiring TXL (such as TXLi to TXLj).

[0069] Each of the first touch electrode TE1 and the second touch electrode TE2 can be smaller than the touch area of ​​the user's finger or touch device. Therefore, a user's touch typically alters the impedance (e.g., capacitance or resistance) of the area of ​​at least one first touch electrode TE1 and the area of ​​at least one adjacent second touch electrode TE2. As described above, by electrically connecting each of the first touch electrodes TE1 in each corresponding row and each of the second touch electrodes TE2 in each corresponding column, the coordinates of the touch location in the first direction D1 and the second direction D2 can be determined. For example, when a user touches an area overlapping at least one first touch electrode TE1 and at least one second touch electrode TE2, the row and column of the touch can be detected by a combination of impedance changes detected via the first touch wiring RXL and the second touch wiring TXL. For example, if impedance changes are detected in both the first touch wiring RXL1 and the second touch wiring TXL1, the TSP can determine that a touch occurred in the lower left corner of the display area AA.

[0070] Each of the touch electrodes TE1 and TE2 can have a rectangular, square, or other shape, and can have sides parallel to the first direction D1 and the second direction D2 perpendicular to the first direction D1, or can be tilted relative to the first direction D1 and the second direction D2. Figure 2 In the example, each of the touch electrodes TE1 and TE2 has sides tilted at an angle θ (e.g., 45° in the case of a square shape) relative to directions D1 and D2, such that a first set of opposite sides of each square shape is parallel to a third direction D3, and another set of opposite sides is parallel to a fourth direction D4.

[0071] Antenna electrode 210 may be disposed adjacent to non-display area NAA in display area AA. When viewed in a plan view, antenna electrode 210 may be spaced apart from touch electrode TE to avoid overlapping with touch electrode TE. Antenna electrode 210 may be electrically connected to feed line 212. Feed line 212 may be electrically connected to antenna driver AD.

[0072] Antenna electrode 210 may consist of a linear array of N antenna electrodes (hereinafter, "antenna elements") 210_1 to 210_N. Feed line 212 may be a combiner and / or splitter network having branch arms BA_1 to BA_N respectively connected to antenna elements 210_1 to 210_N. Feed line 212 may divide the transmit-direction RF signal input from antenna driver AD into N divided signals at branch arms BA_1 to BA_N respectively. In the receive direction, feed line 212 may act as a combiner to combine the N signals received from antenna elements 210_1 to 210_N respectively, and provide the combined signal to antenna driver AD. Each antenna element 210_i (i = any one from 1 to N) may have a square shape (e.g., ...). Figure 2 (As depicted in the image) or rectangular or other shaped patch antenna elements. The patch antenna elements themselves can be constructed as a grid of conductive elements, thereby allowing light to pass through from the display (see...). Figure 13 As shown, each antenna element 210_i may have a pair of opposing sides parallel to the third direction D3 and another pair of opposing sides parallel to the fourth direction D4, or in an alternative arrangement, the corresponding sides may be parallel to the first direction D1 and the second direction D2. The shape and size of the antenna aperture defined by all the antenna elements 210_1 to 210_N constituting the antenna electrode 210 can be appropriately designed according to the operating frequency band to be used by the antenna electrode 210.

[0073] For example, each antenna element 210 may have conductors arranged in a repeating pattern, and touch electrodes TE1 and TE2 may have the same pattern shape as the antenna electrodes 210. The pattern shape of the antenna element 210 may be a grid or mesh pattern.

[0074] In other words, most of the repeating pattern shape in the form of a grid or mesh set in the display area AA can constitute the touch electrode TE, and a portion of the pattern shape adjacent to the non-display area NAA can constitute the antenna electrode 210.

[0075] exist Figure 2 In the embodiment shown, the antenna electrode 210 is a linear array of antenna elements 210_1 to 210_N arranged linearly in the second direction D2. In some embodiments, antenna elements 210_1 to 210_N are not used to detect user touch input in the area they occupy, and therefore are not electrically connected to the first touch wiring RXL or the second touch wiring TXL (e.g., Figure 2 (as shown in the diagram). However, if a user touches an area of ​​antenna element 210, the user's touch will typically extend to two or more adjacent touch electrodes TE, and the precise touch point can still be determined by interpolation.

[0076] Antenna electrode 210 may be a patterned portion of a conductive layer disposed between insulating layers. The conductive layer may include one or a combination of silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), palladium (Pd), chromium (Cr), titanium (Ti), tungsten (W), niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), nickel (Ni), zinc (Zn), tin (Sn), and alloys thereof. Alternatively, the conductive layer may be made using indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (IZTO), and zinc oxide (ZnO). x It is formed from transparent metal oxides.

[0077] When the antenna electrode 210 is implemented using silver (Ag) material, it exhibits excellent transparency and superior electrical properties, such as antenna radiation characteristics. Furthermore, compared to effects achievable with other materials, silver (Ag) material allows for the narrowest linewidth implementation and the finest spacing of the lattice (or grid). Therefore, for example, in millimeter-wave bands of 28 GHz or 39 GHz, antenna electrodes 210 and feed lines 212 with narrow linewidths can be designed using silver material.

[0078] Meanwhile, the antenna electrode 210 and feed line 212 can be implemented in the form of a metal mesh. In this case, the antenna electrode 210 and feed line 212 can be implemented such that the metal mesh is electrically connected, and the dielectric region where the antenna electrode 210 and feed line 212 are not disposed can be implemented such that the metal mesh is removed. In another example embodiment, even in the dielectric region, the metal mesh can be close to the antenna electrode 210 and feed line 212 to the extent that it does not electrically affect the antenna electrode 210 and feed line 212. Although the metal mesh disposed in the dielectric region is not the area where signals are transmitted or radiated, because the metal mesh is disposed in the dielectric region, the metal mesh can be uniformly disposed throughout the entire area of ​​the display device, thereby improving the visibility of the display device.

[0079] Meanwhile, the shape and arrangement of the touch electrode TE and the antenna electrode 210 can be changed by design to achieve the desired purpose.

[0080] The touch driver TSP can be located in the non-display area NAA. The touch driver TSP can be configured as an integrated circuit directly mounted on the touch antenna array TA, or it can have a configuration in which pad (or "solder pad") electrodes are formed on the touch antenna array TA and the touch antenna array TA is connected to a separate driving substrate via the pad electrodes.

[0081] The antenna driver AD can be located in the non-display area NAA. The antenna driver AD can be configured as an integrated circuit directly mounted on the touch antenna array TA, or it can have a configuration in which pad electrodes are formed on the touch antenna array TA and the touch antenna array TA is connected to a separate driving substrate via the pad electrodes.

[0082] Touch wiring, grounding wiring, feed line 212 and shielding electrodes can be set in the non-display area NAA.

[0083] Although in the illustrated example one feed line 212 is described as being connected to one antenna electrode, at least two feed lines 212 can be connected to one antenna electrode to perform dual feeding. For example, one feed line 212 can be used to transmit signals from a first set of antenna elements of antenna electrode 210, and another feed line 212 can be used to receive signals from a second set of antenna elements of antenna electrode 210, wherein the first and second sets of antenna elements may be the same in some embodiments and different in others.

[0084] Figure 3 It is along Figure 1 A cross-sectional view of the antenna electrode 210 and feed line 212 of the display device 100.

[0085] Reference Figures 1 to 3 The display device 100 may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 122. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0086] The first conductive layer can be disposed on the display panel (DP). The first conductive layer may include one or more of the following: silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), palladium (Pd), chromium (Cr), titanium (Ti), tungsten (W), niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), nickel (Ni), zinc (Zn), tin (Sn), and their alloys. Alternatively, the first conductive layer may be made using indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (IZTO), and zinc oxide (ZnO). x It is formed from transparent metal oxides.

[0087] The first conductive layer may include ground wiring 112 and touch wiring 114 disposed in the non-display area NAA.

[0088] A ground voltage or a fixed voltage may be applied to ground wiring 112. The ground voltage or fixed voltage may be a first power supply voltage ELVDD, a second power supply voltage ELVSS, or an initialization voltage VINT used to drive the display panel DP when the display panel DP is implemented as an organic light-emitting diode display panel.

[0089] Touch wiring 114 may be spaced apart from ground wiring 112. Touch wiring 114 may be electrically connected to touch electrode TE.

[0090] A first insulating layer 120 may be disposed on a first conductive layer. The first insulating layer 120 may comprise an inorganic insulating material such as a silicon compound or a metal oxide. For example, the first insulating layer 120 may be made of silicon oxide (SiO₂). x ), silicon nitride (SiN) x ), silicon oxynitride (SiO) x N y ), silicon dioxide (SiO2) x C y ), silicon carbide (SiC) x N y ), aluminum oxide (AlO) x ), aluminum nitride (AlN) x ), tantalum oxide (TaO) x ), Hafnium oxide (HfO) x Zirconium oxide (ZrO) x Titanium oxide (TiO) x The first insulating layer 120 may include multiple layers. According to another example embodiment, the first insulating layer 120 may include an organic insulating material.

[0091] A second conductive layer may be disposed on the first insulating layer 120. The second conductive layer may include one or more of the following: silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), palladium (Pd), chromium (Cr), titanium (Ti), tungsten (W), niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), nickel (Ni), zinc (Zn), tin (Sn), and their alloys. Alternatively, the second conductive layer may be made using materials such as indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (IZTO), and zinc oxide (ZnO). x It is formed from transparent metal oxides.

[0092] The second conductive layer may include a shielding electrode 122. The shielding electrode 122 may be electrically connected to the ground wiring 112 by forming a contact hole through the first insulating layer 120. A portion of the shielding electrode 122 may be disposed in the non-display area NAA to overlap with the touch wiring 114, and a portion of the shielding electrode 122 may be disposed in the display area AA to overlap with the antenna electrode 210.

[0093] The second insulating layer 130 may be disposed on the first insulating layer 120 on which the second conductive layer is disposed. The second insulating layer 130 may comprise an inorganic insulating material such as a silicon compound or a metal oxide. For example, the second insulating layer 130 may be made of silicon oxide (SiO2). x ), silicon nitride (SiN) x ), silicon oxynitride (SiO) x N y ), silicon dioxide (SiO2) x C y ), silicon carbide (SiC) x N y ), aluminum oxide (AlO) x ), aluminum nitride (AlN) x ), tantalum oxide (TaO) x ), Hafnium oxide (HfO) x Zirconium oxide (ZrO) x Titanium oxide (TiO) x The second insulating layer 130 may include multiple layers. In another example embodiment, the second insulating layer 130 may include an organic insulating material.

[0094] A third conductive layer may be disposed on the second insulating layer 130. The third conductive layer may include one or more of the following: silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), palladium (Pd), chromium (Cr), titanium (Ti), tungsten (W), niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), nickel (Ni), zinc (Zn), tin (Sn), and their alloys. Alternatively, the third conductive layer may be made using indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (IZTO), and zinc oxide (ZnO). x It is formed from transparent metal oxides.

[0095] The third conductive layer may include an antenna electrode 210 disposed in the display area AA and a feed line 212 disposed in the non-display area NAA. The antenna electrode 210 and the feed line 212 may be connected to each other.

[0096] Therefore, the shielding electrode 122 can be electrically connected to the grounding wiring 112 and can be positioned between the touch wiring 114 and the feed line 212.

[0097] According to an embodiment, the display device 100 includes a display panel DP configured to display an image and a touch antenna array TA disposed on the display panel DP. The touch antenna array TA includes touch electrodes TE and antenna electrodes 210 to perform touch and antenna functions. In this case, since a shielding electrode to which a ground voltage or a constant voltage is applied is disposed between a touch wiring electrically connected to the touch electrodes and a feed line electrically connected to the antenna electrodes, signal distortion problems caused by coupling capacitance between the touch wiring and the feed line driven at different frequencies and voltages can be prevented.

[0098] Figure 4 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0099] Reference Figure 4 In addition to the stacked structure of grounding wiring 112, touch wiring 114, shielding electrode 122, antenna electrode 210, and feed line 212, the display device and Figures 1 to 3 The display device 100 is essentially the same. Therefore, its redundant description will be omitted.

[0100] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, and a third conductive layer. The first conductive layer may include ground wiring 112, touch wiring 114, and antenna electrodes 210. The second conductive layer may include shielding electrodes 122. The third conductive layer may include feed lines 212.

[0101] The first conductive layer may be disposed on the display panel DP. The first conductive layer may include ground wiring 112 and touch wiring 114 disposed in the non-display area NAA and antenna electrode 210 disposed in the display area AA.

[0102] The first insulating layer 120 may be disposed on the first conductive layer. Specifically, the first insulating layer 120 may expose the grounding wiring 112 and cover and insulate the touch wiring 114. For example, when viewed in a cross-sectional view, the first insulating layer 120 may completely cover the touch wiring 114, expose a portion of the grounding wiring 112, and may not be formed in the display area AA.

[0103] A second conductive layer may be disposed on the display panel DP on which the first insulating layer 120 is disposed. The second conductive layer may include a shielding electrode 122 disposed in the non-display area NAA. The shielding electrode 122 may be electrically connected to the grounding wiring 112 exposed by the first insulating layer 120. The shielding electrode 122 may be disposed in the non-display area NAA to overlap with the touch wiring 114. In other words, the shielding electrode 122 may cover the touch wiring 114 while being insulated from the touch wiring 114 by the first insulating layer 120.

[0104] The second insulating layer 130 may be disposed on the first insulating layer 120 on which the second conductive layer is disposed.

[0105] A third conductive layer may be disposed on the second insulating layer 130. The third conductive layer may include a feed line 212 disposed in the non-display area NAA. The feed line 212 may extend to the antenna electrode 210 in the display area AA to be electrically connected to the antenna electrode 210 by forming a contact hole through the second insulating layer 130.

[0106] Figure 5 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0107] Reference Figure 5 In addition to the stacked structure of grounding wiring 112, touch wiring 114, shielding electrode 122, antenna electrode 210, and feed line 212, the display device and Figures 1 to 3 The display device 100 is essentially the same. Therefore, its redundant description will be omitted.

[0108] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 122. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0109] The first conductive layer can be disposed on the display panel DP. The first conductive layer may include a ground wiring 112 and a touch wiring 114 disposed in the non-display area NAA. The ground wiring 112 may be disposed between the touch wiring 114 and the display area AA.

[0110] The first insulating layer 120 may be disposed on the first conductive layer.

[0111] A second conductive layer may be disposed on the first insulating layer 120. The second conductive layer may include shielding electrodes 122 disposed throughout the non-display area NAA and the display area AA. The shielding electrodes 122 may be electrically connected to the ground wiring 112 by forming contact holes through the first insulating layer 120. The shielding electrodes 122 may extend in the left and right directions as shown in the figures to overlap with the touch wiring 114 and with the antenna electrodes 210 in the display area AA.

[0112] The second insulating layer 130 may be disposed on the first insulating layer 120 on which the second conductive layer is disposed.

[0113] A third conductive layer may be disposed on the second insulating layer 130. The third conductive layer may include a feed line 212 disposed in the non-display area NAA and an antenna electrode 210 disposed in the display area AA. The antenna electrode 210 and the feed line 212 may be connected to each other.

[0114] Figure 6 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0115] Reference Figure 6 In addition to the stacked structure of grounding wiring 112, touch wiring 114, shielding electrode 122, antenna electrode 210, and feed line 212, the display device and Figures 1 to 3 The display device 100 is essentially the same. Therefore, its redundant description will be omitted.

[0116] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 122. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0117] The first conductive layer may be disposed on the display panel DP. The first conductive layer may include a ground wiring 112 and a touch wiring 114 disposed in the non-display area NAA. The ground wiring 112 may be disposed between the touch wiring 114 and the display area AA, and the shielding portion 113 that overlaps with the antenna electrode 210 in the display area AA may extend from the ground wiring 112.

[0118] The first insulating layer 120 may be disposed on the first conductive layer.

[0119] A second conductive layer may be disposed on the first insulating layer 120. The second conductive layer may include a shielding electrode 122 disposed in the non-display area (NAA). The shielding electrode 122 may be electrically connected to the ground wiring 112 by forming contact holes through the first insulating layer 120. The shielding electrode 122 may be stacked with the touch wiring 114.

[0120] The second insulating layer 130 may be disposed on the first insulating layer 120 on which the second conductive layer is disposed.

[0121] A third conductive layer may be disposed on the second insulating layer 130. The third conductive layer may include a feed line 212 disposed in the non-display area NAA and an antenna electrode 210 disposed in the display area AA. The antenna electrode 210 and the feed line 212 may be connected to each other.

[0122] Figure 7 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0123] Reference Figure 7 In addition to the stacked structure of grounding wiring 112, touch wiring 114, shielding electrode 122, antenna electrode 210, and feed line 212, the display device and Figures 1 to 3 The display device 100 is essentially the same. Therefore, its redundant description will be omitted.

[0124] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, an intermediate insulating layer 125, a third conductive layer, a second insulating layer 130, and a fourth conductive layer. The first conductive layer may include touch wiring 114. The second conductive layer may include ground wiring 112. The third conductive layer may include shielding electrodes 122. The fourth conductive layer may include antenna electrodes 210 and feed lines 212.

[0125] The first conductive layer may be disposed on the display panel DP. The first conductive layer may include touch wiring 114 disposed in the non-display area NAA.

[0126] The first insulating layer 120 may be disposed on the first conductive layer.

[0127] The second conductive layer may be disposed on the first insulating layer 120. The second conductive layer may include grounding wiring 112 disposed in the non-display area NAA.

[0128] The intermediate insulating layer 125 may be disposed on the first insulating layer 120 disposed on the second conductive layer.

[0129] A third conductive layer may be disposed on the intermediate insulating layer 125. The third conductive layer may include shielding electrodes 122 disposed throughout the non-display area NAA and the display area AA. The shielding electrodes 122 may be electrically connected to the ground wiring 112 by forming contact holes through the intermediate insulating layer 125. The shielding electrodes 122 may be stacked with the touch wiring 114 and may be stacked with the antenna electrode 210.

[0130] The second insulating layer 130 may be disposed on the intermediate insulating layer 125 on which the third conductive layer is disposed.

[0131] A fourth conductive layer may be disposed on the second insulating layer 130. The fourth conductive layer may include a feed line 212 disposed in the non-display area NAA and an antenna electrode 210 disposed in the display area AA. The antenna electrode 210 and the feed line 212 may be connected to each other.

[0132] Figure 8 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0133] Reference Figure 8 In addition to the stacked structure of grounding wiring 112 and touch wiring 114, the display device and Figure 7 The display devices are basically the same. Therefore, redundant descriptions will be omitted.

[0134] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, an intermediate insulating layer 125, a third conductive layer, a second insulating layer 130, and a fourth conductive layer. The first conductive layer may include grounding wiring 112. The second conductive layer may include touch wiring 114. The third conductive layer may include shielding electrodes 122. The fourth conductive layer may include antenna electrodes 210 and feed lines 212.

[0135] The shielding electrode 122 can be distributed throughout the non-display area NAA and the display area AA. The shielding electrode 122 can be electrically connected to the ground wiring 112 through contact holes formed through the intermediate insulating layer 125 and the first insulating layer 120. The shielding electrode 122 can be stacked with the touch wiring 114 and can be stacked with the antenna electrode 210.

[0136] Figure 9 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0137] Reference Figure 9 Except that the third conductive layer is formed on a separate substrate film 200 and attached to the second insulating layer 130 instead of being formed directly on the second insulating layer 130, the display device and Figure 3 The display device 100 is essentially the same. Therefore, its redundant description will be omitted.

[0138] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, a substrate film 200, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 122. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0139] The first conductive layer, the first insulating layer 120, the second conductive layer, and the second insulating layer 130 can be formed on the display panel DP using a direct deposition process. Subsequently, an antenna array in the form of a film, wherein the third conductive layer is formed on the substrate film 200, can be attached to the second insulating layer 130 using an adhesive layer (not shown) such as a pressure-sensitive adhesive (PSA). For example, the substrate film 200 may comprise a flexible, transparent resin film.

[0140] Meanwhile, in another example embodiment, the first conductive layer, the second conductive layer, and the third conductive layer of the display device can be formed on a separate substrate film and attached to the display panel DP by using an adhesive layer.

[0141] Figure 10 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0142] Reference Figure 10 Except for the shielding electrode 122, which is only located in the non-display area NAA, the display device and Figure 9 The display devices are basically the same. Therefore, redundant descriptions will be omitted.

[0143] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, a substrate film 200, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 122. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0144] To prevent coupling capacitance between touch wiring 114 and feed line 212, shielding electrode 122 can be formed between touch wiring 114 and feed line 212 to cover touch wiring 114, and can be formed only in the non-display area NAA.

[0145] Figure 11 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0146] Reference Figure 11 The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a substrate film 200, a second conductive layer, a second insulating layer 204, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 202. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0147] A first conductive layer can be disposed on the display panel DP. A first insulating layer 120 can be disposed on the first conductive layer. Subsequently, an antenna array in the form of a film, wherein a second conductive layer and a third conductive layer are formed on a substrate film 200, can be attached to the first insulating layer 120 by using an adhesive layer (not shown).

[0148] The second conductive layer can be disposed on the substrate film 200. The second insulating layer 204 can be disposed on the second conductive layer. The third conductive layer can be disposed on the second insulating layer 204 and the substrate film 200. The shielding electrode 202 can be disposed between the feed line 212 and the touch wiring 114.

[0149] Here, the shielding electrode 202 of the second conductive layer can be electrically connected to the grounding wiring 112. For example, the shielding electrode 202 and the grounding wiring 112 can be electrically connected to each other through separate connecting pads (not shown), or the shielding electrode 202 and the grounding wiring 112 can be electrically connected to each other through connecting electrodes (not shown) provided through the first insulating layer 120 and the substrate film 200.

[0150] Figure 12 This is a cross-sectional view taken along the antenna electrodes and feed lines of the display device according to an example embodiment.

[0151] Reference Figure 12 In addition to the shielding electrode 202 extending to the display area AA and the non-display area NAA to overlap with the antenna electrode 210, the display device and Figure 11 The display devices are basically the same. Therefore, redundant descriptions will be omitted.

[0152] The display device may include a display panel DP, a first conductive layer, a first insulating layer 120, a substrate film 200, a second conductive layer, a second insulating layer 204, and a third conductive layer. The first conductive layer may include ground wiring 112 and touch wiring 114. The second conductive layer may include shielding electrodes 202. The third conductive layer may include antenna electrodes 210 and feed lines 212.

[0153] The shielding electrode 202 can be disposed between the feed line 212 and the touch wiring 114 to cover the touch wiring 114 in the non-display area NAA. The shielding electrode 202 can extend to the display area AA to overlap with the antenna electrode 210.

[0154] Figure 13 This is a plan view showing an example antenna element (electrode) 210_i and feed line 212 of a display device 100 according to an example embodiment. Figure 14 It is along Figure 13 The sectional view taken by line I-I' in the middle.

[0155] Reference Figure 13 and Figure 14The display device may include a substrate 300, a thin-film transistor layer (TFTL), a pixel-defining layer (PDL), a light-emitting structure 320, a thin-film encapsulation layer (TFE), a first conductive layer, a first insulating layer 120, a second conductive layer, a second insulating layer 130, and a third conductive layer. The first conductive layer may include a touch electrode TE, a ground wiring 112, and a touch wiring 114. The second conductive layer may include a shielding electrode 122. The third conductive layer may include an antenna electrode 210 (including an antenna element 210_i) and a feed line 212. The light-emitting structure 320 may include a first electrode 321, a light-emitting layer 322, and a second electrode 323. A branch arm BA_i of the feed line 212 may be electrically connected to a corner of the antenna element 210_i, thereby exciting all conductive materials of the antenna element to radiate RF signal energy in the transmission direction and receive RF signal energy in the reception direction. The antenna element 210_i may be electrically isolated from all other antenna elements such as 210_(i-1) and from the touch electrode TE in the display area AA.

[0156] The substrate 300 may be a transparent insulating substrate. A thin-film transistor layer (TFTL), including a thin-film transistor (TFT), may be disposed on the substrate 300. The TFTL may include multiple conductive layers and insulating layers to construct the thin-film transistor TFT.

[0157] The first electrode 321 of the light-emitting structure 320 can be disposed on the thin-film transistor layer (TFTL). The pixel defining layer (PDL) can be disposed on the TFTL on which the first electrode 321 is disposed. The PDL can define an opening (OP) corresponding to the emission region. The light-emitting layer 322 and the second electrode 323 can be disposed on the first electrode 321 within the opening (OP). The thin-film encapsulation layer (TFE) can be disposed on the light-emitting structure 320.

[0158] The first conductive layer may be disposed on the thin-film encapsulation layer TFE. Touch electrodes TE may be disposed in the display area AA. Each touch electrode TE may include a first touch electrode electrically connected to each other in a first direction D1 and a second touch electrode electrically connected to each other in a second direction D2. Each touch electrode TE may have a rhomboid shape comprising a grid or mesh pattern extending in a direction inclined relative to the first direction D1 and the second direction D2.

[0159] Touch wiring 114 can be disposed in the non-display area (NAA). Touch wiring 114 can be electrically connected to touch electrode TE, wherein, in some embodiments, touch electrode TE and touch wiring 114 are disposed in the same layer. In other embodiments, touch electrode TE is disposed in a different layer than touch wiring 114, and they are connected via vias. Ground wiring 112 can be disposed in the non-display area (NAA).

[0160] According to the embodiments discussed above, the touch electrode TE has been described as being formed of a first conductive layer. However, in other embodiments, the touch electrode TE may be formed as a patterned conductive element of a first conductive layer, a second conductive layer, or a third conductive layer, or may be formed by using at least two of the first conductive layer, the second conductive layer, and the third conductive layer.

[0161] The first insulating layer 120 may be disposed on the first conductive layer.

[0162] The second conductive layer can be disposed on the first insulating layer 120. The shielding electrode 122 can be electrically connected to the ground wiring 112 by forming a contact hole through the first insulating layer 120. The shielding electrode 122 can extend along the feed line 212 in the first direction D1 in the non-display area NAA, and can be stacked with the feed line 212. Therefore, the shielding electrode 122 can be disposed between the feed line 212 and the touch wiring 114.

[0163] The second insulating layer 130 can be disposed on the second conductive layer.

[0164] A third conductive layer may be disposed on the second insulating layer 130. An antenna electrode 210 may be disposed in the display area AA. The antenna electrode 210 may have a rhomboid shape comprising a grid or mesh pattern extending in a direction inclined relative to the first direction D1 and the second direction D2. In other words, the antenna electrode 210 may have a pattern shape including openings so as not to overlap with the emission area corresponding to the opening OP, and the antenna electrode 210 may have the same pattern shape as the touch electrode TE.

[0165] Although the display panel DP has been shown as an organic light-emitting diode display device (OLED), the embodiments are not limited thereto. In another example embodiment, the display panel DP may be a liquid crystal display device (LCD), a field emission display device (FED), a plasma display device (PDP), or an electrophoretic image display device (EPD).

[0166] Figure 15 This is a cross-sectional view showing the display panel of a display device according to an example embodiment.

[0167] Reference Figure 15The display panel DP can be an organic light-emitting diode (OLED) display panel. The display panel DP may include a substrate 300, a thin-film transistor layer (TFTL), a pixel-defining layer (PDL), a light-emitting structure 380, and a thin-film encapsulation layer (TFE). The TFTL may include thin-film transistors (TFTs), a gate insulating layer 310, an interlayer insulating layer 325, and an insulating layer IL including vias V. The TFTs may include an active pattern ACT, a gate electrode GE, a source electrode SE, and a drain electrode DE. The light-emitting structure 380 may include a first electrode 381, a light-emitting layer 382, ​​and a second electrode 383.

[0168] The substrate 300 can be formed of a transparent or opaque material. For example, the substrate 300 may include a quartz substrate, a synthetic quartz substrate, a calcium fluoride substrate, a fluorine-doped quartz substrate (F-doped quartz substrate), a soda-lime glass substrate, an alkali-free glass substrate, etc. In some example embodiments, the substrate 300 may be a flexible transparent resin substrate. Examples of transparent resin substrates that can be used as the substrate 300 may include a polyimide substrate.

[0169] A buffer layer (not shown) may be disposed on the substrate 300. The buffer layer prevents metal atoms or impurities from diffusing from the substrate 300 to the thin-film transistor (TFT) and can control the heat transfer rate during the crystallization process used to form the active pattern ACT to obtain a substantially uniform active pattern ACT. Additionally, the buffer layer can be used to improve the flatness of the substrate 300 surface when the surface of the substrate 300 is non-uniform. Depending on the type of substrate 300, at least two buffer layers may be disposed on the substrate 300, or no buffer layer may be disposed. For example, the buffer layer may comprise an organic or inorganic material.

[0170] An active pattern (ACT) can be disposed on a substrate 300. The active pattern (ACT) can include metal-oxide-semiconductor (MODS), inorganic semiconductors (e.g., amorphous silicon or polycrystalline silicon), organic semiconductors, etc. The active pattern (ACT) can have a source region, a drain region, and a channel region disposed between the source and drain regions.

[0171] A gate insulating layer 310 may be disposed on the active pattern ACT. For example, the gate insulating layer 310 may substantially cover the active pattern ACT on the substrate 300 and may have a substantially flat top surface without creating steps around the active pattern ACT. In some example embodiments, the gate insulating layer 310 may be disposed with a uniform thickness along the contour of the active pattern ACT to cover the active pattern ACT on the substrate 300. The gate insulating layer 310 may include silicon compounds, metal oxides, etc. For example, the gate insulating layer 310 may include silicon oxide (SiO2). x ), silicon nitride (SiN) x ), silicon oxynitride (SiO) x Ny ), silicon dioxide (SiO2) x C y ), silicon carbide (SiC) x N y ), aluminum oxide (AlO) x ), aluminum nitride (AlN) x ), tantalum oxide (TaO) x ), Hafnium oxide (HfO) x Zirconium oxide (ZrO) x Titanium oxide (TiO) x In some example embodiments, the gate insulating layer 310 may have a multilayer structure comprising multiple insulating layers. For example, the insulating layers may have different thicknesses or may comprise different materials.

[0172] The gate pattern, including the gate electrode GE, can be disposed on the gate insulating layer 310. The gate pattern can be stacked with the channel region of the active pattern ACT. The gate electrode GE can include metals, alloys, metal nitrides, conductive metal oxides, transparent conductive materials, etc. For example, the gate electrode GE can include one or more of the following: gold (Au), silver (Ag), aluminum (Al), tungsten (W), copper (Cu), platinum (Pt), nickel (Ni), titanium (Ti), palladium (Pd), magnesium (Mg), calcium (Ca), lithium (Li), chromium (Cr), tantalum (Ta), molybdenum (Mo), scandium (Sc), neodymium (Nd), iridium (Ir), aluminum-containing alloys, aluminum nitride (AlN). x ), containing silver alloys and tungsten nitride (WN) x Copper-containing alloys, molybdenum-containing alloys, titanium nitride (TiN) x ), Chromium nitride (CrN) x ), Tantalum nitride (TaN) x ), SrRuO x O y ), zinc oxide (ZnO) x Indium tin oxide (ITO), tin oxide (SnO) x Indium oxide (InO) x Gallium oxide (GaO) x Indium zinc oxide (IZO), etc. In some example embodiments, the gate pattern may include a multilayer structure comprising multiple metal layers. For example, the metal layers may have different thicknesses or may include different materials.

[0173] An interlayer insulating layer 325 may be disposed on the gate pattern. For example, the interlayer insulating layer 325 may substantially cover the gate pattern on the gate insulating layer 310 and may have a substantially flat top surface without creating steps around the gate pattern. In some example embodiments, the interlayer insulating layer 325 may be disposed with a uniform thickness along the contour of the gate pattern to cover the gate pattern on the gate insulating layer 310. The interlayer insulating layer 325 may include silicon compounds, metal oxides, etc. In some example embodiments, the interlayer insulating layer 325 may have a multilayer structure comprising multiple insulating layers. For example, the insulating layers may have different thicknesses or may comprise different materials.

[0174] Data patterns, including the source electrode SE and drain electrode DE of a thin-film transistor (TFT), can be disposed on the interlayer insulating layer 325. The source electrode SE can be connected to the source region of the active pattern ACT through a contact hole formed by removing a first portion of the gate insulating layer 310 and the interlayer insulating layer 325, and the drain electrode DE can be connected to the drain region of the active pattern ACT through a contact hole formed by removing a second portion of the gate insulating layer 310 and the interlayer insulating layer 325. Each of the data patterns can include metals, alloys, metal nitrides, conductive metal oxides, transparent conductive materials, etc. These can be used individually or in combination with each other. In some example embodiments, the data pattern can have a multilayer structure including multiple metal layers. For example, the metal layers can have different thicknesses or can include different materials.

[0175] Therefore, a thin-film transistor TFT can be configured including an active pattern ACT, a gate insulating layer 310, a gate electrode GE, an interlayer insulating layer 325, a source electrode SE, and a drain electrode DE.

[0176] Although thin-film transistors (TFTs) have been described as having a top-gate structure, the construction of the present invention is not limited to this. For example, thin-film transistor TFTs can have a bottom-gate structure, a dual-gate structure, etc.

[0177] An insulating layer IL can be disposed on the interlayer insulating layer 325 and the data pattern. For example, the insulating layer IL can have a relatively thick thickness. In this case, the insulating layer IL can have a substantially flat top surface. To achieve such a flat top surface, a planarization process can be additionally performed on the insulating layer IL. In some example embodiments, the insulating layer IL can be disposed on the interlayer insulating layer 325 with a uniform thickness along the contour of the data pattern. The insulating layer IL can be formed of organic or inorganic materials. In example embodiments, the insulating layer IL can include organic materials. For example, the insulating layer IL can include photoresist, polyacrylamide resin, polyimide resin, polyamide resin, siloxane resin, acrylamide resin, epoxy resin, etc.

[0178] The first electrode 381 may be disposed on the insulating layer IL. The first electrode 381 may be electrically connected to the thin-film transistor TFT through a contact hole formed by removing a portion of the insulating layer IL. The first electrode 381 may include metal, alloy, metal nitride, conductive metal oxide, transparent conductive material, etc., and form a via V. These may be used individually or in combination with each other. In some example embodiments, the first electrode 381 may have a multilayer structure comprising multiple metal layers. For example, the metal layers may have different thicknesses or may comprise different materials.

[0179] A pixel defining layer (PDL) can be disposed on an insulating layer (IL). For example, the PDL can expose a portion of the top surface of the first electrode 381 while covering both sides of the first electrode 381. The PDL can be formed of an organic or inorganic material. In an example embodiment, the PDL may include an organic material.

[0180] A light-emitting layer 382 may be disposed on the pixel-defining layer PDL and the first electrode 381. The light-emitting layer 382 may be formed using at least one of light-emitting materials that emit different colors of light (i.e., red, green, blue, etc.) according to the sub-pixels. Optionally, the light-emitting layer 382 may be formed by stacking multiple light-emitting materials for generating different colors of light, such as red, green, and blue, to emit white light as a whole. In this case, a color filter may be disposed on the light-emitting layer 382 disposed on the first electrode 381. The color filter may include at least one of a red color filter, a green color filter, and a blue color filter. In some example embodiments, the color filter may include a yellow color filter, a cyan color filter, and a magenta color filter. The color filter may include a photosensitive resin or a colored photoresist.

[0181] The second electrode 383 can be disposed on the light-emitting layer 382 and the pixel defining layer PDL. The second electrode 383 may include metals, alloys, metal nitrides, conductive metal oxides, transparent conductive materials, etc. These can be used individually or in combination with each other. In some example embodiments, the second electrode 383 may have a multilayer structure including multiple metal layers. For example, the metal layers may have different thicknesses or may include different materials.

[0182] A thin-film encapsulation layer (TFE) can be disposed on the second electrode 383. The TFE can comprise at least one inorganic layer and at least one organic layer stacked alternately on top of each other. For example, the TFE can comprise a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer. The TFE can prevent the light-emitting layer 382 from deteriorating due to the penetration of moisture, oxygen, etc. Additionally, the TFE can protect the display panel DP from external impacts. Furthermore, the TFE can improve the flatness of the display panel DP.

[0183] In another example embodiment, a sealing substrate can be provided instead of a thin-film encapsulation layer (TFE) to prevent external air and moisture from penetrating into the display device.

[0184] Figure 16 This is a block diagram schematically illustrating a display device according to an example embodiment.

[0185] Reference Figure 16 In addition to having a single touch antenna driver that drives both the touch electrodes and the antenna electrodes, rather than constructing separate touch drivers and antenna drivers to drive the touch antenna array, the display device and... Figure 1 The display device 100 is essentially the same. Therefore, its redundant description will be omitted.

[0186] Display devices may include a display panel (DP), a scan driver (SCAN), a data driver (DD), a transmit control driver (EM), a controller (CON), a touch antenna array (TA), and a touch antenna driver (TSPRF).

[0187] The touch antenna driver TSPRF can send electrical signals to the touch electrodes (e.g., Figure 2 (TE) and can transmit RF signals to antenna electrode 210 (see Figure 2 It can receive electrical signals from the touch electrode TE and RF signals from the antenna electrode 210.

[0188] The touch antenna driver TSPRF can be set relative to the display area (see...). Figure 3 The non-display area is contacted on one side of the AA. The touch antenna driver TSPRF can be configured as an integrated circuit directly mounted on the touch antenna array TA, or it can have a configuration in which pad electrodes are formed on the touch antenna array TA and the touch antenna array TA is connected to a separate driving substrate via the pad electrodes.

[0189] Figure 17 This is a perspective view showing a display device according to an example embodiment. Figure 18 It is shown Figure 17 A cross-sectional view of the first edge region of the display device. Figure 19 This is a cross-sectional view showing the first edge region of a display device according to an example embodiment.

[0190] Reference Figure 17 and Figure 18 The display device may include a display panel (DP), a touch antenna array (TA), and a cover window (CW).

[0191] A display device may include a display area AA in which an image is displayed and a non-display area NAA adjacent to the display area AA.

[0192] The display area AA may include a main display area MA and a first edge display area EA1 and a second edge display area EA2 adjacent to the main display area MA. For example, the main display area MA may have a rectangular shape extending in a first direction D1 and a second direction D2 perpendicular to the first direction D1. The first edge display area EA1 and the second edge display area EA2 may extend in the second direction D2 and may be connected to the left and right sides of the main display area MA in the first direction D1, respectively. The first edge display area EA1 and the second edge display area EA2 may be curved in a third direction D3 perpendicular to the first direction D1 and the second direction D2 to form a curved surface.

[0193] The display panel DP can be a flexible display panel, such as a flexible organic light-emitting diode display panel.

[0194] The touch antenna array TA can be mounted on the display panel DP, and can include touch electrodes and antenna electrodes in the display area AA. The antenna electrodes can be located in the first edge display area EA1 or the second edge display area EA2.

[0195] The touch antenna array (TA) can include ground wiring, touch wiring, shielding electrodes, and feed lines in the non-display area (NAA).

[0196] The antenna driver AD can be located in the non-display area NAA. The antenna driver AD can be configured as an integrated circuit directly mounted on the touch antenna array TA, or it can have a configuration in which pad electrodes are formed on the touch antenna array TA and the touch antenna array TA is connected to a separate driving substrate via the pad electrodes.

[0197] The cover window CW can be attached to the touch antenna array TA using an adhesive layer (not shown). The cover window CW may have curved edges to correspond to the curved surfaces of the first edge display area EA1 and the second edge display area EA2. In electronic devices including display devices (e.g., smartphones), the cover window CW may form part of the outer surface of the electronic device.

[0198] In either the first edge display area EA1 or the second edge display area EA2, the connection between the non-display area NAA and the display area AA can be folded, so that the non-display area NAA is positioned on the rear side of the display area AA. In other words, the edges of the display panel DP and the touch antenna array TA can be folded to be positioned on the rear side of the display surface. Therefore, the antenna driver AD can be positioned on the rear side of the display surface of the display panel DP.

[0199] Figure 19 This is a cross-sectional view showing the first edge region of a display device according to an example embodiment.

[0200] Reference Figure 19 Besides the fact that the touch antenna array TA is longer than the display panel DP, causing the edges of the touch antenna array TA to be folded, the display device and... Figure 18 The display devices are basically the same. Therefore, redundant descriptions will be omitted.

[0201] Display devices may include a display panel (DP), a touch antenna array (TA), and a cover window (CW).

[0202] The edge of the touch antenna array TA, on which the antenna driver AD is disposed, can be folded to be positioned on the rear side of the display surface. Therefore, the antenna driver AD can be positioned on the rear side of the display surface of the display panel DP. In this case, the touch antenna array TA may include a substrate having a larger diameter than the display panel DP (see...). Figure 15 Large-sized substrate membranes (see 300) Figure 9 wait).

[0203] Figure 20 This is a block diagram illustrating an electronic device according to an example embodiment.

[0204] Reference Figure 20 Electronic device 500 may include processor 510, memory device 520, storage device 530, input / output (I / O) device 540, power supply 550, and display device 560. Here, display device 560 may be… Figure 1 The display device 100. Furthermore, the electronic device 500 may also include multiple ports for communicating with video cards, sound cards, memory cards, universal serial bus (USB) devices, other electronic devices, etc. In the example embodiment, the electronic device 500 can be implemented as a smartphone. However, the electronic device 500 is not limited to this. For example, the electronic device 500 can be implemented as a television, cellular phone, video phone, smart tablet, smartwatch, tablet PC, car navigation system, computer monitor, laptop computer, head-mounted display (HMD) device, etc.

[0205] Processor 510 can perform various computing functions. Processor 510 can be a microprocessor, central processing unit (CPU), application processor (AP), etc. Processor 510 can be integrated with other components via address bus, control bus, data bus, etc. In addition, processor 510 can be integrated with an extension bus such as the peripheral component interconnect (PCI) bus. Memory device 520 can store data for the operation of electronic device 500. For example, memory device 520 can include at least one non-volatile memory device (such as erasable programmable read-only memory (EPROM) device, electrically erasable programmable read-only memory (EEPROM) device, flash memory device, phase-change random access memory (PRAM) device, resistive random access memory (RRAM) device, nano-floating gate memory (NFGM) device, polymer random access memory (PoRAM) device, magnetic random access memory (MRAM) device, ferroelectric random access memory (FRAM) device, etc.) and / or at least one volatile memory device (such as dynamic random access memory (DRAM) device, static random access memory (SRAM) device, mobile DRAM device, etc.). Storage device 530 may include solid-state drive (SSD) devices, hard disk drive (HDD) devices, CD-ROM devices, etc. I / O device 540 may include input devices (such as keyboards, keypads, mice, touchpads, touchscreens, etc.) and output devices (such as printers, speakers, etc.). Power supply 550 provides power for the operation of electronic device 500.

[0206] Display device 560 can be coupled to other components via a bus or other communication link. In some example embodiments, I / O device 540 may include display device 560. As described above, display device 560 includes a display panel configured to display an image and a touch antenna array disposed on the display panel. The touch antenna array includes touch electrodes and antenna electrodes to perform touch and antenna functions. Here, since a shielding electrode to which a ground voltage or constant voltage is applied is disposed between touch wiring electrically connected to the touch electrodes and a feed line electrically connected to the antenna electrodes, signal distortion problems caused by coupling capacitance between touch wiring and feed lines driven at different frequencies and voltages can be prevented. Since these have been described above, repeated descriptions associated with them will not be repeated.

[0207] This invention concept can be applied to display devices and electronic devices including such display devices. For example, it can be applied to smartphones, cellular phones, video phones, smart panels, smartwatches, tablet PCs, car navigation systems, televisions, computer monitors, laptops, head-mounted display devices, etc.

[0208] The foregoing is a description of exemplary embodiments and should not be construed as limiting thereto. Although several exemplary embodiments have been described, those skilled in the art will readily understand that many modifications are possible in the exemplary embodiments without substantially departing from the novel teachings and advantages of the inventive concept. Therefore, all such modifications are intended to be included within the scope of the inventive concept as defined in the claims. It will thus be understood that the foregoing is a description of various exemplary embodiments and should not be construed as limiting to the specific exemplary embodiments disclosed, and modifications to the disclosed exemplary embodiments and other exemplary embodiments are intended to be included within the scope of the claims.

Claims

1. A display device, the display device comprising: The display panel is configured to display images; as well as The touch antenna array is located on the display panel. The touch antenna array includes: a touch electrode; a touch wiring electrically connected to the touch electrode; an antenna electrode including a plurality of antenna elements; a feed line electrically connected to the antenna electrode; a shielding electrode, wherein the touch wiring and the feed line are at least partially overlapped with each other in a direction perpendicular to the display surface of the display panel, and the shielding electrode is disposed between the touch wiring and the feed line; a first insulating layer disposed between the touch wiring and the shielding electrode in the direction perpendicular to the display surface of the display panel; and a second insulating layer disposed between the shielding electrode and the feed line in the direction perpendicular to the display surface of the display panel.

2. The display device according to claim 1, wherein, The display device includes a display area and a non-display area, wherein the image is displayed in the display area, and the non-display area is adjacent to and in contact with the display area. The antenna electrode is disposed adjacent to the non-display area in the display area.

3. The display device according to claim 1, wherein, The touch antenna array also includes a grounding wire spaced apart from the touch wiring, to which a grounding voltage or a fixed voltage is applied, and the shielding electrode is electrically connected to the grounding wire.

4. The display device according to claim 3, wherein, The touch wiring, the grounding wiring, the feed line, and the shielding electrode are disposed in the non-display area of ​​the display device.

5. The display device according to claim 1, wherein, When viewed in a plan view, the antenna electrode is spaced apart from the touch electrode and does not overlap with the touch electrode.

6. The display device according to claim 1, wherein, The touch electrode and the antenna electrode are disposed on the same layer.

7. The display device according to claim 1, wherein, The feed line and the antenna electrode are in contact with each other through contact holes formed in the insulating layer.

8. The display device according to claim 1, wherein, The touch antenna array also includes a grounding wire spaced apart from the touch wiring, to which a ground voltage or a fixed voltage is applied, and the shielding electrode extends from the grounding wire.

9. The display device according to claim 1, wherein, The touch antenna array also includes a grounding wire spaced apart from the touch wiring, to which a grounding voltage or a fixed voltage is applied, and the shielding electrode and the grounding wire are in contact with each other through contact holes formed in an insulating layer.

10. The display device according to claim 1, wherein, The touch antenna array also includes a grounding wire spaced apart from the touch wiring, to which a grounding voltage or a fixed voltage is applied, and the grounding wire and the touch wiring are disposed on different layers.

11. The display device according to claim 1, wherein, The plurality of antenna elements of the antenna electrode each have a conductive material with a repeating pattern shape, and The touch electrode includes a plurality of first touch electrodes and a plurality of second touch electrodes, all of which are conductive materials with the same pattern shape as the antenna electrode.

12. The display device according to claim 11, wherein, The pattern shape of the antenna electrode includes a grid pattern or a mesh pattern.

13. The display device according to claim 1, wherein, The display panel is an organic light-emitting diode (OLED) display panel, and The first power supply voltage, the second power supply voltage, or the initialization voltage used to drive the organic light-emitting diode display panel are applied to the shielding electrode.

14. The display device according to claim 1, further comprising: A substrate film is disposed between the touch electrode and the antenna electrode; as well as An adhesive layer is bonded to the substrate film.

15. The display device according to claim 1, wherein, The display panel includes: Base; A thin-film transistor layer is disposed on the substrate and includes thin-film transistors; A pixel defining layer is disposed on the thin-film transistor layer and configured to define an opening; and A light-emitting structure is disposed in the opening of the pixel defining layer. The emission region is defined to correspond to the opening in the pixel definition layer, and The antenna electrode has a patterned shape including openings that do not overlap with the transmitting region.

16. The display device according to claim 15, wherein, The conductive material forming the touch electrode is not superimposed on the emission region.

17. The display device according to claim 1, wherein, The display device includes a display area and a non-display area, wherein the image is displayed in the display area, and the non-display area contacts the display area. The touch wiring is disposed in the non-display area, while the antenna electrode and the touch electrode are disposed in the display area.

18. The display device according to claim 1, wherein, The connection between the non-display area and the display area of ​​the display device is folded, so that the non-display area is positioned on the rear side of the display area.

19. The display device according to claim 18, wherein, The display area of ​​the display device includes a main display area and an edge display area connected to the main display area. The non-display area contacts the edge display area, and the edge display area has a curved surface that bends in a direction perpendicular to the main display area. The antenna electrodes are disposed in the edge display area.

20. A display device, the display device comprising: A display panel includes a display area and a non-display area, wherein an image is displayed in the display area and the non-display area is in contact with one side of the display area; A touch antenna array is mounted on the display panel; as well as A touch antenna driver is located in the non-display area of ​​the display panel. The touch antenna array includes: a touch electrode disposed in the display area; a touch wiring electrically connected to the touch electrode; and an antenna electrode disposed in the display area and formed on the same layer as the touch electrode, the antenna electrode including a plurality of antenna elements; a feed line electrically connected to the antenna electrode; a shielding electrode, wherein, in a direction perpendicular to the display surface of the display panel, the touch wiring and the feed line are at least partially overlapped with each other, and the shielding electrode is disposed between the touch wiring and the feed line; a first insulating layer disposed in the direction perpendicular to the display surface of the display panel between the touch wiring and the shielding electrode; and a second insulating layer disposed in the direction perpendicular to the display surface of the display panel between the shielding electrode and the feed line. The touch antenna driver sends electrical signals to the touch electrode and the antenna electrode and / or receives electrical signals from the touch electrode and the antenna electrode.

21. A display device, the display device comprising: The display panel is configured to display images; as well as The touch antenna array is located on the display panel. The touch antenna array includes: touch electrodes; touch wiring electrically connected to the touch electrodes; antenna electrodes including multiple antenna elements; a feed line electrically connected to the antenna electrodes; and a shielding electrode to which a ground voltage or a constant voltage is applied. In this configuration, in a direction perpendicular to the display surface of the display panel, the touch wiring and the feed line are at least partially overlapped, and the shielding electrode is disposed between the touch wiring and the feed line. The touch antenna array further includes: a first insulating layer disposed between the touch wiring and the shielding electrode in a direction perpendicular to the display surface of the display panel; and a second insulating layer disposed between the shielding electrode and the feed line in a direction perpendicular to the display surface of the display panel.

Images