Electronic device

Abstract

An electronic device is provided, comprising: a display panel; and a sensor disposed on the display panel and including a plurality of sensing units disposed in an effective area. Each of the sensing units includes a first sensing pattern, a second sensing pattern, a bridging pattern, and a plurality of patterns. Among the sensing units, the pattern of a sensing unit in contact with a first boundary portion having curvature includes a plurality of outer patterns, the first boundary portion being in the effective area and the peripheral area, and at least one of the outer patterns being electrically connected to the first sensing pattern or the second sensing pattern.

Description

[0001] This application claims priority and benefit to Korean Patent Application No. 10-2019-0159952, filed on December 4, 2019, which is incorporated herein by reference for all purposes, as if fully set forth herein. Technical Field

[0002] The exemplary embodiments of the invention generally relate to an electronic device, and more specifically, to an electronic device comprising a sensor having improved sensitivity. Background Technology

[0003] Electronic devices with touchscreens include an active area that is activated in response to electrical signals. The device senses input applied to it from the outside through this active area, while simultaneously displaying various images to provide information to the user. In recent years, with the development of electronic devices in various shapes, the active area has been implemented in various forms.

[0004] The information disclosed in this background section is only for understanding the background art of the inventive concept, and therefore may contain information that does not constitute prior art. Summary of the Invention

[0005] One or more exemplary embodiments of the inventive concept provide an electronic device including a sensor with improved sensitivity.

[0006] Other features of the inventive concept will be set forth in the description below, and will be partly apparent from the description or may be learned by practicing the inventive concept.

[0007] According to one or more exemplary embodiments of the invention, an electronic device includes: a display panel; and a sensor disposed on the display panel, including an effective region and a peripheral region defined within the sensor, and including a plurality of sensing units disposed within the effective region. Each of the sensing units includes: a first sensing pattern including a plurality of branch portions; a plurality of second sensing patterns spaced apart from the first sensing pattern; a bridging pattern connecting the plurality of second sensing patterns to each other; and a plurality of patterns spaced apart from at least one of the first and second sensing patterns. The pattern of a sensing unit among the plurality of sensing units that contacts a first boundary portion having curvature includes a plurality of outer patterns, the first boundary portion being within the boundary between the effective region and the peripheral region, and at least one of the outer patterns being electrically connected to either the first sensing pattern or the second sensing pattern of the sensing unit.

[0008] According to one or more example embodiments, the outer pattern may include: a first outer pattern disposed between the first sensing pattern and the second sensing pattern; and a second outer pattern spaced apart from the first sensing pattern, wherein one of the second sensing patterns is disposed between the first sensing pattern and the second outer pattern.

[0009] According to one or more example embodiments, a first outer pattern may be connected to one of the branch portions, and a second outer pattern may be spaced apart from a second sensing pattern.

[0010] According to one or more example embodiments, a first outer pattern may be connected to one of the branch portions, and a second outer pattern may be connected to a second sensing pattern.

[0011] According to one or more example embodiments, the first outer pattern may be spaced apart from the first sensing pattern and the second sensing pattern, and the second outer pattern may be connected to a second sensing pattern.

[0012] According to one or more example embodiments, the outer branch portion that contacts the first boundary portion may have a width greater than the width of another branch portion.

[0013] According to one or more example embodiments, the boundary may further include a second boundary portion extending from the first boundary portion, and the sensing unit includes: a first sensing unit spaced apart from the boundary; a second sensing unit in contact with the first boundary portion; and a third sensing unit in contact with the second boundary portion, the third sensing unit having an area larger than the area of ​​the first sensing unit and the area of ​​the second sensing unit, and the area of ​​the first sensing unit may be larger than the area of ​​the second sensing unit.

[0014] According to one or more example embodiments, the sensor may further include: a line portion including a first sensing line electrically connected to a first sensing pattern and a second sensing line electrically connected to a second sensing pattern, and the first sensing pattern of the third sensing unit is connected to the first sensing line.

[0015] According to one or more example embodiments, the third sensing unit may further include: a boundary pattern disposed between the online portion and the second sensing pattern.

[0016] According to one or more example embodiments, the boundary between the boundary pattern and the second sensing pattern has a zigzag (Z-shaped) shape or a straight shape.

[0017] According to one or more example embodiments, the sensing unit may be arranged in a first direction and a second direction intersecting the first direction, some of the branch portions extend in a first intersecting direction intersecting the first and second directions, and other branch portions may extend in a second intersecting direction intersecting the first intersecting direction.

[0018] According to one or more example embodiments, each of the branch portions may extend in a direction away from the bridging pattern.

[0019] According to one or more example embodiments, each of the surrounding branch portions in the second sensing pattern comprises at least two branch portions.

[0020] According to one or more example embodiments, the sensing units may be arranged in a first direction and a second direction intersecting the first direction, wherein the second sensing patterns of each of two sensing units that are adjacent to each other in the first direction are electrically connected to each other, and the second sensing patterns of each of two sensing units that are adjacent to each other in the second direction are spaced apart from each other, with some patterns of the patterns placed between them.

[0021] According to one or more exemplary embodiments of the invention, an electronic device includes: a display panel; and a sensor disposed on the display panel, including an effective region and a peripheral region defined within the sensor, and including a plurality of sensing units and line portions, the sensing units being disposed in the effective region, and the line portions including a plurality of lines disposed in the peripheral region and electrically connected to the sensing units. Each of the sensing units includes: a first sensing pattern including a plurality of branch portions; a plurality of second sensing patterns spaced apart from each other with the first sensing pattern disposed therebetween; and a bridging pattern connecting the second sensing patterns to each other. The sensing unit includes: a first sensing unit spaced apart from the boundary of the effective region and the peripheral region; a second sensing unit contacting a first boundary portion having curvature in the boundary; and a third sensing unit contacting a second boundary portion of the boundary, the second boundary portion being adjacent to the line portions. The third sensing unit includes a boundary pattern disposed between the line portions and the second sensing patterns.

[0022] According to one or more example embodiments, the boundary between the boundary pattern and the second sensing pattern may have a zigzag (Z-shaped) shape or a straight shape.

[0023] According to one or more example embodiments, each of the sensing units may further include: a plurality of patterns spaced apart from the first sensing pattern and the second sensing pattern, the patterns may include an outer pattern that contacts the first boundary portion, and at least one of the outer patterns is electrically connected to the first sensing pattern or the second sensing pattern.

[0024] According to one or more example embodiments, the outer pattern may include: a first outer pattern disposed between a first sensing pattern and a second sensing pattern; and a second outer pattern spaced apart from the first sensing pattern, wherein one of the second sensing patterns is disposed between the second outer pattern and the first sensing pattern, and at least one of the first outer pattern and the second outer pattern is connected to one of the branch portions or one of the second sensing patterns.

[0025] According to one or more exemplary embodiments of the invention, an electronic device includes: a display panel; and a sensor disposed on the display panel, including an effective region and a peripheral region defined within the sensor, and including a first sensing electrode and a second sensing electrode, the first sensing electrode including a plurality of branch portions, the second sensing electrode intersecting the first sensing electrode. The width of a branch portion that contacts a curved boundary portion is greater than the width of a branch portion spaced apart from the boundary portion, the boundary portion being within the boundary between the effective region and the peripheral region.

[0026] According to one or more exemplary embodiments of the invention, an electronic device includes: a display panel; and a sensor disposed on the display panel, including an effective region and a peripheral region defined within the sensor, and including a reference sensing unit and an external sensing unit, the reference sensing unit being disposed within the effective region. Each of the reference sensing unit and the external sensing unit includes: a first sensing pattern including a plurality of branch portions; a plurality of second sensing patterns spaced apart from the first sensing pattern; a bridging pattern connecting the second sensing patterns to each other; and a plurality of patterns spaced apart from at least one of the first and second sensing patterns. The external sensing unit is configured to be adjacent to a curved boundary portion of the boundary between the effective region and the peripheral region, and at least one of the patterns of the external sensing unit is electrically connected to the first sensing pattern or the second sensing pattern.

[0027] As described above, the first to third sensing units of the sensor can have different areas. Therefore, the mutual capacitance between the second and third sensing units can be controlled by adjusting the patterns within them. Thus, a sensor providing uniform sensitivity over the effective region can be realized.

[0028] Since at least some portions of the outer pattern of the second sensing unit, which has a relatively small area, are electrically connected to the first sensing pattern or the second sensing pattern, the mutual capacitance of the second sensing unit, which is reduced due to the area difference between the first sensing unit and the second sensing unit, can be compensated.

[0029] The third sensing unit, which has a relatively large area, also includes a boundary pattern, and the mutual capacitance of the third sensing unit, which increases due to the area difference between the first and third sensing units, can be reduced. Furthermore, the boundary pattern can reduce the parasitic capacitance generated between the second sensing pattern of the third sensing unit and the sensing lines disposed in the peripheral region.

[0030] It will be understood that the preceding general description and the following detailed description are illustrative and intended to provide further explanation of the claimed invention. Attached Figure Description

[0031] The accompanying drawings illustrate exemplary embodiments of the invention and, together with the description, serve to explain the inventive concept. The drawings are included to provide a further understanding of the invention and are incorporated in and form part of this specification.

[0032] Figure 1 This is a perspective view showing an electronic device according to an embodiment of the inventive concept.

[0033] Figure 2 This is a cross-sectional view showing some components of an electronic device according to an embodiment of the inventive concept.

[0034] Figure 3 This is a plan view showing a display panel according to an embodiment of the inventive concept.

[0035] Figure 4 This is a cross-sectional view showing a display panel according to an embodiment of the inventive concept.

[0036] Figure 5 This is a plan view illustrating a sensor according to an embodiment of the inventive concept.

[0037] Figure 6 This is a cross-sectional view showing an embodiment of a sensor according to the inventive concept.

[0038] Figure 7A It is shown Figure 5 A magnified plan view of region AA'.

[0039] Figure 7B It is shown Figure 7A A magnified plan view of region XX'.

[0040] Figure 8 It is shown Figure 5 A magnified plan view of region BB'.

[0041] Figure 9 This illustrates an embodiment based on the inventive concept. Figure 5 A magnified plan view of the area corresponding to region BB'.

[0042] Figure 10 This illustrates an embodiment based on the inventive concept. Figure 5 A magnified plan view of the area corresponding to region BB'.

[0043] Figure 11 This illustrates an embodiment based on the inventive concept. Figure 5 A magnified plan view of the area corresponding to region BB'.

[0044] Figure 12 This illustrates an embodiment based on the inventive concept. Figure 5 A magnified plan view of the area corresponding to region BB'.

[0045] Figure 13 This is an enlarged plan view showing some areas of a sensor according to an embodiment of the inventive concept.

[0046] Figure 14 This is an enlarged plan view showing some areas of a sensor according to an embodiment of the inventive concept. Detailed Implementation

[0047] In the following description, numerous specific details are set forth for purposes of explanation to provide a thorough understanding of various exemplary embodiments. However, it will be apparent that various exemplary embodiments may be practiced without these specific details or using one or more equivalent arrangements. In the accompanying drawings, the dimensions and relative dimensions of layers, regions, etc., may be exaggerated for clarity and descriptive purposes. Furthermore, the same reference numerals refer to the same elements.

[0048] When an element or layer is referred to as being "on" another element or layer, "connected to," or "bonded to" another element or layer, the element or layer may be directly on, directly connected to, or directly bonded to the other element or layer, or there may be intermediate elements or layers present. However, when an element or layer is referred to as being "directly on" another element or layer, "directly connected to," or "directly bonded to" another element or layer, there are no intermediate elements or layers present. For the purposes of this disclosure, "at least one of X, Y, and Z" and "at least one selected from the group consisting of X, Y, and Z" can be interpreted as only X, only Y, only Z, or any combination of two or more of X, Y, and Z, such as XYZ, XYY, YZ, and ZZ. The same reference numerals always indicate the same elements. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0049] Although the terms first, second, etc., may be used herein to describe various elements, components, regions, layers, and / or portions, these elements, components, regions, layers, and / or portions should not be limited by these terms. These terms are used to distinguish one element, component, region, layer, and / or portion from another element, component, region, layer, and / or portion. Therefore, the first element, first component, first region, first layer, and / or first portion discussed below may be referred to as a second element, second component, second region, second layer, and / or second portion without departing from the teachings of the inventive concept.

[0050] For descriptive purposes, spatial relative terms such as “below,” “under,” “down,” “above,” and “above” may be used herein to describe the relationship of one element or feature to another, as shown in the accompanying drawings. Spatial relative terms are intended to include not only the orientation depicted in the drawings but also different orientations of the device in use, operation, and / or manufacture. For example, if the device in the drawings is flipped, an element described as “below” or “under” another element or feature would then be oriented “above” said other element or feature. Thus, the example term “below” can encompass both above and below orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or in other orientations), and thus, the spatial relative descriptive terms used herein shall be interpreted accordingly.

[0051] The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms “a” and “the” are intended to include the plural forms as well. Furthermore, when the terms “comprising,” “including,” and / or variations thereof are used in this specification, they indicate the presence of the stated features, integrals, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or groups thereof.

[0052] Various exemplary embodiments are described herein with reference to cross-sectional and / or exploded views as schematic illustrations of idealized example embodiments and / or intermediate structures. Thus, variations in the illustrated shapes, for example, due to manufacturing techniques and / or tolerances, will be anticipated. Therefore, the exemplary embodiments disclosed herein should not be construed as limited to the shapes of the specifically shown areas, but will include shape deviations due to, for example, manufacturing processes. In this way, the areas shown in the figures can be schematic in nature, and the shapes of these areas may not reflect the actual shapes of the areas of the device, and are not necessarily intended to be limiting.

[0053] Unless otherwise specified, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure is a part. Terms (such as those defined in a general dictionary) shall be interpreted as having the meaning consistent with their meaning in the context of the relevant field, and not as having an idealized or overly formalized meaning, unless expressly defined herein.

[0054] Figure 1 This is a perspective view showing an electronic device 1000 according to an embodiment of the inventive concept.

[0055] exist Figure 1 In this context, the electronic device 1000 can be a device activated in response to an electrical signal. The electronic device 1000 can be a mobile phone, tablet computer, car navigation unit, gaming unit, or wearable unit; however, it should not be limited to or restricted by these limitations. Figure 1 In this document, a mobile phone will be described as a representative example of an electronic device 1000.

[0056] Electronic device 1000 displays an image through an effective area 1000A. The effective area 1000A may include a flat surface defined by a first direction DR1 and a second direction DR2. The effective area 1000A may also include curved surfaces that bend from at least two sides of the flat surface. However, the shape of the effective area 1000A should not be limited thereto or thereby restricted. For example, the effective area 1000A may consist only of a flat surface, and the effective area 1000A may also include four curved surfaces that bend from at least two (e.g., four) sides of the flat surface, respectively.

[0057] The thickness direction of the electronic device 1000 can be substantially parallel to a third direction DR3 that intersects the first direction DR1 and the second direction DR2. Therefore, the front (or upper) surface and the rear (or lower) surface of each component of the electronic device 1000 can be defined relative to the third direction DR3.

[0058] Figure 2 This is a cross-sectional view showing some components of an electronic device 1000 according to an example embodiment.

[0059] exist Figure 2 In this context, the electronic device 1000 may include a display panel 100 and a sensor 200.

[0060] The display panel 100 may have a configuration that substantially displays images. The display panel 100 may be a light-emitting display panel. For example, the display panel 100 may be an organic light-emitting display panel or a quantum dot light-emitting display panel. Alternatively, the display panel 100 may be a light-receiving display panel. For example, the display panel 100 may be a liquid crystal display panel.

[0061] Sensor 200 may be disposed on display panel 100. Sensor 200 can sense external input applied from the outside. For example, external input may be user input. User input may include various external inputs such as a part of the user's body, light, heat, pen, or pressure.

[0062] The sensor 200 can be formed on the display panel 100 via a continuous process. Alternatively, the sensor 200 can be bonded to the display panel 100 using an adhesive component. The adhesive component can include common adhesives. For example, the adhesive component can be a transparent adhesive component such as a pressure-sensitive adhesive (PSA) film, an optically clear adhesive (OCA) film, or an optically clear resin (OCR).

[0063] Although not shown in the figure, the electronic device 1000 may also include a window disposed on the sensor 200. The window may include an optically transparent insulating material, and the window may include glass or plastic. The window may have a single-layer structure or a multi-layer structure.

[0064] Figure 3 This is a plan view showing a display panel 100 according to an example embodiment.

[0065] exist Figure 3 In this display panel 100, therein an active area 100A and a peripheral area 100N. The active area 100A can be activated in response to an electrical signal. For example, the active area 100A can display an image. The peripheral area 100N can surround the active area 100A. A driving circuit or driving line for driving the active area 100A can be disposed in the peripheral area 100N.

[0066] The transmissive region 100T may be defined within the effective region 100A of the display panel 100. The transmissive region 100T may be surrounded by the effective region 100A; however, it should not be limited thereto or restricted by it. For example, a portion of the transmissive region 100T may contact the effective region 100A, and other portions of the transmissive region 100T may contact the peripheral region 100N.

[0067] The transmission region 100T can have a relatively higher transmittance than the effective region 100A. The transmission region 100T can be a space through which external signals input to or output from the electronic module are transmitted. For example, the electronic module can be a camera module.

[0068] The transmissive region 100T can be defined by removing all or at least a portion of the components of the display panel 100. The transmissive region 100T can have one of the following shapes: circular, elliptical, polygonal, and polygonal with at least one curved edge; however, the shape of the transmissive region 100T should not be specifically limited.

[0069] The display panel 100 may include a substrate layer 100-1, multiple pixels 110, multiple signal lines 120, 130 and 140, multiple display pads (or "soldering pads") 150 and multiple sensor pads 160.

[0070] The substrate layer 100-1 may include a synthetic resin film. The synthetic resin film may include a thermosetting resin. The substrate layer 100-1 may have a multilayer structure. For example, the substrate layer 100-1 may have a three-layer structure consisting of a synthetic resin layer, an adhesive layer, and a synthetic resin layer. Specifically, the synthetic resin layer may be a polyimide resin layer; however, the material used for the synthetic resin layer should not be specifically limited. The synthetic resin layer may include at least one of acrylic resins, methacrylic resins, polyisoprene resins, vinyl resins, epoxy resins, urethane resins, cellulose resins, siloxane resins, polyamide resins, and perylene resins. The substrate layer 100-1 may include a glass substrate or an organic / inorganic composite substrate.

[0071] Signal lines 120, 130, and 140 are connected to pixel 110 to transmit electrical signals to pixel 110. Figure 3 The diagram shows, as a representative example, signal lines 120, 130, and 140 including a data line 120, a scan line 130, and a power line 140; however, these are merely examples. Signal lines 120, 130, and 140 may also include at least one of an initialization voltage line and an illumination control line; however, signal lines 120, 130, and 140 should not be limited to the specific embodiments.

[0072] Pixel 110 can be disposed in the effective area 100A. In this example embodiment, an equivalent circuit diagram of pixel 110 is shown as a representative example.

[0073] Pixel 110 may include a first transistor 111, a second transistor 112, a capacitor 113, and a light-emitting device 114. The first transistor 111 may be a switching device that controls the on-off state of pixel 110. The first transistor 111 may transmit or block data signals applied to it via data line 120 in response to a scan signal applied to it via scan line 130.

[0074] Capacitor 113 can be connected to the first transistor 111 and the power line 140. Capacitor 113 can be charged with an amount of charge corresponding to the difference between the data signal transmitted from the first transistor 111 and the first power signal applied to the power line 140.

[0075] The second transistor 112 can be connected to the first transistor 111, the capacitor 113, and the light-emitting device 114. The second transistor 112 can control the driving current flowing through the light-emitting device 114 in response to the amount of charge charged in the capacitor 113. The on-time of the second transistor 112 can be determined based on the amount of charge charged in the capacitor 113. The second transistor 112 can provide the light-emitting device 114 with a first electrical signal applied to the second transistor 112 via the power line 140.

[0076] The light-emitting device 114 can generate light in response to an electrical signal or can control the amount of light. For example, the light-emitting device 114 may include an organic light-emitting device, a quantum dot light-emitting device, a micro LED light-emitting device, or a nano LED light-emitting device.

[0077] The light-emitting device 114 can be connected to the power terminal 115 and can receive a power signal different from the first power signal provided through the power line 140 (hereinafter referred to as the "second power signal" or "ground voltage"). A drive current corresponding to the difference between the electrical signal provided from the second transistor 112 and the second power signal flows through the light-emitting device 114, and the light-emitting device 114 can generate light corresponding to the drive current.

[0078] At the same time, this is merely an example, and pixel 110 may include electronic components with various constructions and arrangements; however, it should not be specifically limited. For example, pixel 110 may have an equivalent circuit including seven transistors and a capacitor, and the equivalent circuit of pixel 110 may be modified in various ways.

[0079] Display pad 150 may include a first pad 151 and a second pad 152. Multiple first pads 151 may be provided, and each first pad 151 may be connected to a data line 120. The second pad 152 may be electrically connected to a power line 140. Although not shown in the figure, the second pad 152 may be electrically connected to the power line 140 via a power pattern.

[0080] The display panel 100 can provide the pixels 110 with electrical signals applied to the display panel 100 from the outside through the display pad 150. At the same time, in addition to the first pad 151 and the second pad 152, the display pad 150 may also include pads for receiving other electrical signals; however, the display pad 150 should not be limited to or restricted by this.

[0081] The driver chip 300 can be installed in the peripheral area 100N of the display panel 100. The driver chip 300 can be a timing control circuit implemented in chip form. In this case, the data line 120 can be electrically connected to the first pad 151 through the driver chip 300; however, this is only an example, and the driver chip 300 can be installed on a film separate from the display panel 100. In this case, the driver chip 300 can be electrically connected to the display pad 150 through the film.

[0082] Sensing pad 160 can be electrically connected to the sensing electrodes of the sensor described later. Some of the sensing pads in sensing pad 160 can be arranged to be spaced apart from other sensing pads in sensing pad 160, such that display pad 150 is disposed between some of the sensing pads and other sensing pads; however, these are merely examples, and the arrangement relationship between sensing pad 160 and display pad 150 can be varied.

[0083] Figure 4 This is a cross-sectional view showing a display panel 100 according to an example embodiment.

[0084] Reference Figure 4 The display panel 100 may include multiple insulating layers, semiconductor patterns, conductive patterns, and signal lines. The insulating layers, semiconductor layers, and conductive layers can be formed by coating or deposition processes. Then, the insulating layers, semiconductor layers, and conductive layers can be selectively patterned by photolithography. The semiconductor patterns, conductive patterns, and signal lines included in the circuit layer 100-2 and the display element layer 100-3 can be formed. Then, an encapsulation layer 100-4 covering the display element layer 100-3 can be formed.

[0085] At least one inorganic layer may be formed on the upper surface of the substrate layer 100-1. The inorganic layer may include at least one of alumina, titanium oxide, silicon oxide, silicon oxynitride, zirconium oxide, and hafnium oxide. The inorganic layer may be formed as a multilayer. The inorganic layer may form a barrier layer and / or a buffer layer. In this example embodiment, the display panel 100 may include a buffer layer BFL.

[0086] The buffer layer (BFL) can increase the adhesion between the substrate layer 100-1 and the semiconductor pattern. The buffer layer (BFL) may include a silicon oxide layer and a silicon nitride layer, which may be stacked alternately on top of each other.

[0087] Semiconductor patterns can be disposed on the buffer layer BFL. Semiconductor patterns may include polycrystalline silicon, however, they should not be limited to or restricted by it. Semiconductor patterns may also include amorphous silicon or metal oxides.

[0088] Figure 4 Only a portion of the semiconductor pattern is shown; the semiconductor pattern can be further applied to other areas. The semiconductor pattern can be distributed across pixel 110 according to specific rules (see reference). Figure 3 Semiconductor patterns can have different electrical properties depending on whether they are doped or not. A semiconductor pattern can include doped and undoped regions. Doped regions can be doped with N-type or P-type dopants. A P-type transistor can include doped regions doped with P-type dopants, and an N-type transistor can include doped regions doped with N-type dopants.

[0089] Doped regions can have higher conductivity than undoped regions and can be essentially used as electrodes or signal lines. Undoped regions can essentially correspond to active (or channel) regions. In other words, a portion of the semiconductor pattern can be the active region of a transistor, another portion of the semiconductor pattern can be the source or drain of a transistor, and other portions of the semiconductor pattern can be connecting electrodes or connecting signal lines.

[0090] like Figure 4 As shown, the source S1, active region A1, and drain D1 of the first transistor 111 can be formed by a semiconductor pattern, and the source S2, active region A2, and drain D2 of the second transistor 112 can be formed by a semiconductor pattern. The sources S1 and S2 and the drains D1 and D2 can extend from the active regions A1 and A2 in opposite directions to each other. Figure 4 A portion of the connection signal line SCL, formed by a semiconductor pattern, is shown. Although not shown in the figure, the connection signal line SCL can be connected in plane to the drain D2 of the second transistor 112.

[0091] The first insulating layer 10 can be disposed on the buffer layer BFL. The first insulating layer 10 can be commonly disposed on the pixel 110 (see reference). Figure 3 The layers are stacked and can cover the semiconductor pattern. The first insulating layer 10 can be an inorganic layer and / or an organic layer, and can have a single-layer structure or a multilayer structure. The first insulating layer 10 can include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon oxynitride, zirconium oxide, and hafnium oxide. In this example embodiment, the first insulating layer 10 can have a single-layer structure of silicon oxide. Not only the first insulating layer 10, but other insulating layers of the circuit layers 100-2 described later can also be inorganic layers and / or organic layers and can have a single-layer structure or a multilayer structure. Inorganic layers can include at least one of the above materials; however, inorganic layers should not be limited thereto or thereby restricted.

[0092] Gates G1 and G2 can be disposed on the first insulating layer 10. Gate G1 can correspond to a portion of a metal pattern. Gates G1 and G2 can be stacked with active regions A1 and A2, respectively. Gates G1 and G2 can be used as masks in the process of doping semiconductor patterns.

[0093] The second insulating layer 20 can be disposed on the first insulating layer 10 and can cover gates G1 and G2. The second insulating layer 20 can be commonly disposed with respect to pixel 110 (see reference). Figure 3 The second insulating layer 20 may be an inorganic layer and / or an organic layer, and may have a single-layer structure or a multi-layer structure. In this example embodiment, the second insulating layer 20 may have a single-layer structure of silicon oxide.

[0094] The upper electrode UE can be disposed on the second insulating layer 20. The upper electrode UE can be stacked with the gate G2 of the second transistor 112. The upper electrode UE can be part of a metal pattern. A portion of the gate G2 and the upper electrode UE stacked with said portion of the gate G2 can define a capacitor 113 (see reference). Figure 3 In the example embodiment, the upper electrode UE can be omitted.

[0095] The third insulating layer 30 can be disposed on the second insulating layer 20 and can cover the upper electrode UE. In this example embodiment, the third insulating layer 30 can have a single-layer structure of silicon oxide.

[0096] The first connection electrode CNE1 can be disposed on the third insulating layer 30. The first connection electrode CNE1 can be connected to the connection signal line SCL through the contact hole CNT-1 defined by the first insulating layer 10, the second insulating layer 20 and the third insulating layer 30.

[0097] A fourth insulating layer 40 may be disposed on the third insulating layer 30. The fourth insulating layer 40 may have a single-layer structure of silicon oxide. A fifth insulating layer 50 may be disposed on the fourth insulating layer 40. The fifth insulating layer 50 may be an organic layer.

[0098] The second connecting electrode CNE2 can be disposed on the fifth insulating layer 50. The second connecting electrode CNE2 can be connected to the first connecting electrode CNE1 through the contact hole CNT-2 defined by the fourth insulating layer 40 and the fifth insulating layer 50.

[0099] The sixth insulating layer 60 can be disposed on the fifth insulating layer 50 and can cover the second connecting electrode CNE2. The sixth insulating layer 60 can be an organic layer.

[0100] The display element layer 100-3, including the light-emitting device 114, can be disposed on the circuit layer 100-2. The light-emitting device 114 may include a first electrode AE, a hole control layer HCL, a light-emitting layer EML, an electronic control layer ECL, and a second electrode CE.

[0101] The first electrode AE ​​can be disposed on the sixth insulating layer 60. The first electrode AE ​​can be connected to the second connecting electrode CNE2 through the contact hole CNT-3 defined through the sixth insulating layer 60.

[0102] The pixel defining layer 70 may be disposed on the sixth insulating layer 60 and may cover a portion of the first electrode AE. The opening 70-OP may be defined to extend through the pixel defining layer 70. At least a portion of the first electrode AE ​​may be exposed through the opening 70-OP of the pixel defining layer 70.

[0103] like Figure 4 As shown, the effective area is 100A (refer to...). Figure 3 The electrode may include a pixel region PXA and a non-pixel region NPXA defined as adjacent to the pixel region PXA. The non-pixel region NPXA may surround the pixel region PXA. In this example embodiment, the pixel region PXA may be defined as corresponding to the portion of the first electrode AE ​​exposed through the opening 70-OP.

[0104] The hole control layer HCL can be disposed on the first electrode AE. The hole control layer HCL can be commonly disposed in the pixel region PXA and the non-pixel region NPXA. The hole control layer HCL may include a hole transport layer and may also include a hole injection layer.

[0105] The emissive layer EML can be disposed on the hole control layer HCL. The emissive layer EML can be disposed in the region corresponding to the opening 70-OP. That is, the emissive layer EML can be formed on pixel 110 (refer to...) after being divided into multiple parts. Figure 3 Each of the following, however, should not be limited to or restricted by this. For example, the emissive layer EML may be disposed commonly throughout the pixel region PXA and the non-pixel region NPXA. When the emissive layer EML is formed in each pixel 110 after being divided into multiple parts, the emissive layer EML may emit light having at least one color among blue, red, and green. When the emissive layer EML is disposed throughout pixel 110 (refer to...) Figure 3 When set up in public, the EML (Emitting Material Layer) can provide blue or white light.

[0106] An electronic control layer (ECL) can be disposed on an emissive layer (EML). The ECL may include an electron transport layer and may also include an electron injection layer. A hole control layer (HCL) and the ECL can be commonly formed in multiple pixels 110 using an aperture mask.

[0107] The second electrode CE can be disposed on the electronic control layer ECL. The second electrode CE can have an integral shape and can be commonly disposed on pixel 110 (see reference). Figure 3 )middle.

[0108] A capping layer 80 may be disposed on and in contact with the second electrode CE. The capping layer 80 may comprise an organic material. The capping layer 80 may protect the second electrode CE from subsequent processes (e.g., sputtering processes) and may increase the luminous efficiency of the light-emitting device 114. The capping layer 80 may have a refractive index greater than that of the first inorganic layer 91, which will be described later; however, the capping layer 80 should not be limited thereto or thereby restricted. In the example embodiment, the capping layer 80 may be omitted.

[0109] An encapsulation layer 100-4 may be disposed on the display element layer 100-3. The encapsulation layer 100-4 may include a first inorganic layer 91, an organic layer 92, and a second inorganic layer 93. The first inorganic layer 91 and the second inorganic layer 93 protect the display element layer 100-3 from moisture / oxygen, and the organic layer 92 protects the display element layer 100-3 from foreign matter such as dust particles. The first inorganic layer 91 and the second inorganic layer 93 may include a silicon nitride layer, a silicon oxynitride layer, a silicon oxide layer, a titanium oxide layer, or an aluminum oxide layer. The organic layer 92 may include an acrylic organic layer; however, it should not be limited thereto or thereby restricted.

[0110] In an example embodiment, an inorganic layer (e.g., a LiF layer) may be further disposed between the capping layer 80 and the first inorganic layer 91. The LiF layer can increase the luminous efficiency of the light-emitting device 114.

[0111] Figure 5 This is a plan view showing a sensor 200 according to an example embodiment.

[0112] Reference Figure 5 The sensor 200 may include an effective region 200A and a peripheral region 200N defined therein. The effective region 200A may be activated in response to an electrical signal. For example, the effective region 200A may be the region in which an input is sensed. The peripheral region 200N may surround the effective region 200A.

[0113] Boundary 200B may be defined between effective region 200A and peripheral region 200N, and boundary 200B may include a first boundary portion 200B1 and a second boundary portion 200B2. The first boundary portion 200B1 may be a curved portion of boundary 200B, and the second boundary portion 200B2 may be a portion of boundary 200B extending in a first direction DR1.

[0114] The transmission region 200T can be defined within the effective region 200A of the sensor 200. The transmission region 200T can be associated with the display panel 100 described above (see reference). Figure 3 The transmission area of ​​100T (refer to) Figure 3(Stacked.) The transmission region 200T can be defined by removing all or at least a portion of the components of the sensor 200.

[0115] The sensor 200 may include a substrate insulating layer 200-1, a first sensing electrode 210, a second sensing electrode 220, a pattern 230, and a line portion 240. The first sensing electrode 210, the second sensing electrode 220, and the pattern 230 may be disposed in an effective region 200A, and the line portion 240 may be disposed in a peripheral region 200N. The line portion 240 may be electrically connected to a sensing pad 160 (see reference) via a contact hole. Figure 3 ).

[0116] Sensor 200 can obtain information about external input based on the change in capacitance between the first sensing electrode 210 and the second sensing electrode 220. The first sensing electrodes 210 can be arranged in a first direction DR1, and each of the first sensing electrodes 210 can extend in a second direction DR2. The first sensing electrode 210 may include a first sensing pattern 211 and a first connection pattern 212. The first connection pattern 212 can electrically connect two adjacent first sensing patterns 211.

[0117] The second sensing electrode 220 may extend in the first direction DR1 and may be arranged in the second direction DR2. The second sensing electrode 220 may include a second sensing pattern 221 and a second connecting pattern 222. The second connecting pattern 222 may electrically connect two adjacent second sensing patterns 221. Two adjacent second sensing patterns 221 may be connected to each other through the second connecting pattern 222; however, they should not be limited to or restricted by this.

[0118] Each of the first sensing patterns 211 may include a first portion 211a, a second portion 211b, and a third portion 211c.

[0119] The first portion 211a may extend in the second direction DR2. One end of the first portion 211a may be connected to a first connection pattern 212, and the other end of the first portion 211a may be connected to another first connection pattern 212. The first portion 211a may be referred to as the trunk portion. Since the first connection pattern 212 and the first sensing pattern 211 have a single connection structure, the first connection pattern 212 may be defined as a part of the first portion 211a.

[0120] The second portion 211b may protrude from the first portion 211a in a first direction DR1. For example, the second portion 211b may protrude in a direction away from the central region of the first portion 211a. The second portion 211b may be referred to as the protruding portion.

[0121] The third part 211c can be configured as multiple parts. The third part 211c can extend from the first part 211a in the first intersection direction DR3a or the second intersection direction DR4a. Some portions of the third part 211c can extend in the first intersection direction DR3a, and other portions of the third part 211c can extend in the second intersection direction DR4a. The third part 211c can be referred to as a "branch part".

[0122] The first intersecting direction DR3a can be a direction that intersects with the first direction DR1 and the second direction DR2. For example, the first intersecting direction DR3a can be a direction between the first direction DR1 and the second direction DR2. The second intersecting direction DR4a can be a direction that intersects with the first intersecting direction DR3a. For example, the first intersecting direction DR3a and the second intersecting direction DR4a can be substantially perpendicular to each other.

[0123] Each of the second sensing patterns 221 may have a shape corresponding to the shape of the first sensing pattern 211 adjacent to it. Each of the second sensing patterns 221 may surround at least two third portions 211c of each of the first sensing patterns 211 adjacent to it.

[0124] Sensing lines 241 and 242 may include a first sensing line 241 and a second sensing line 242. The first sensing line 241 may be electrically connected to a first sensing electrode 210, and the second sensing line 242 may be electrically connected to a second sensing electrode 220. Some of the second sensing lines 242 may be connected to the left side of some of the second sensing electrodes 220, and other second sensing lines 242 may be connected to the right side of other second sensing electrodes 220. However, the connection relationship between the first sensing line 241 and the first sensing electrode 210, and the connection relationship between the second sensing line 242 and the second sensing electrode 220, should not be limited to... Figure 5 The embodiment shown.

[0125] Pattern 230 may be spaced apart from the first sensing pattern 211 and the second sensing pattern 221. Pattern 230 may be formed using the same process as the first sensing pattern 211 and the second sensing pattern 221. Therefore, pattern 230 may include the same material as the first sensing pattern 211 and the second sensing pattern 221, and may have the same stacking structure as the first sensing pattern 211 and the second sensing pattern 221. Pattern 230 may be referred to as a "dummy pattern," "auxiliary pattern," "additional pattern," "sub-pattern," or "boundary pattern."

[0126] Pattern 230 may include a first pattern 230a and a second pattern 230b. The first pattern 230a may be disposed between the first sensing pattern 211 and the second sensing pattern 221. The second pattern 230b may be disposed between the second sensing patterns 221. For example, the second pattern 230b may be disposed between two second sensing patterns 221 that are adjacent to each other along the second direction DR2, and the two second sensing patterns 221 may be spaced apart from each other by the second pattern 230b.

[0127] The second pattern 230b may include a first boundary pattern 230b1 and a second boundary pattern 230b2. The first boundary pattern 230b1 may have a rhomboid shape in a plane. The second boundary patterns 230b2 may be spaced apart from each other, with the first boundary pattern 230b1 positioned between the second boundary patterns 230b2. Each of the second boundary patterns 230b2 may extend in a first direction DR1. Each of the second boundary patterns 230b2 may be connected to the first boundary pattern 230b1 and the first pattern 230a.

[0128] Because the first pattern 230a is disposed between the first sensing pattern 211 and the second sensing pattern 221 and the second pattern 230b is disposed between the second sensing pattern 221, the visibility of the boundary region between the first sensing pattern 211 and the second sensing pattern 221 and the boundary region between the second sensing pattern 221 can be reduced.

[0129] Some of the patterns in pattern 230 may be floating electrodes not electrically connected to the first sensing pattern 211 and the second sensing pattern 221. Alternatively, some of the patterns in pattern 230 may be grounded. Other patterns in pattern 230 may be connected to the first sensing pattern 211 or the second sensing pattern 221 to improve the sensitivity of the sensor 200. This will be described in detail later.

[0130] Figure 6 This is a cross-sectional view showing a sensor 200 according to an example embodiment.

[0131] exist Figure 5 and Figure 6 In this sensor, 200 may include a substrate insulating layer 200-1, a first conductive layer 200-2, a sensing insulating layer 200-3, a second conductive layer 200-4, and a cover insulating layer 200-5. The first conductive layer 200-2 may be disposed on the substrate insulating layer 200-1. The sensing insulating layer 200-3 may be disposed on the first conductive layer 200-2. The second conductive layer 200-4 may be disposed on the sensing insulating layer 200-3. The cover insulating layer 200-5 may be disposed on the second conductive layer 200-4.

[0132] The substrate insulating layer 200-1 may be an inorganic layer comprising one of silicon nitride, silicon oxynitride, and silicon oxide. Alternatively, the substrate insulating layer 200-1 may be an organic layer comprising epoxy resin, acrylic resin, or imide resin. The substrate insulating layer 200-1 may have a monolayer structure or a stacked structure in which multiple layers are stacked on a third-direction DR3.

[0133] The substrate insulating layer 200-1 can be directly formed on the display panel 100 (refer to...). Figure 2 Optionally, the substrate insulating layer 200-1 may be an assembly of the display panel 100. Alternatively, the substrate insulating layer 200-1 may be formed on a separate substrate layer, which may then be bonded to the display panel 100 (see reference 100) by an adhesive member. Figure 2 ).

[0134] Each of the first conductive layer 200-2 and the second conductive layer 200-4 may have a monolayer structure or a stacked structure in which multiple layers are stacked on a third-direction DR3. The conductive layer with a monolayer structure may include a metal layer or a transparent conductive layer. The metal layer may include molybdenum, silver, titanium, copper, aluminum, or alloys thereof. The transparent conductive layer may include a transparent conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), or indium zinc tin oxide (IZTO). The transparent conductive layer may include a conductive polymer such as PEDOT, metal nanowires, or graphene.

[0135] A conductive layer with a multilayer structure may include a metal layer. The metal layer may have a titanium / aluminum / titanium three-layer structure. A conductive layer with a multilayer structure may include at least one metal layer and at least one transparent conductive layer.

[0136] Each of the first conductive layer 200-2 and the second conductive layer 200-4 may include some of the following: a first sensing pattern 211, a first connection pattern 212, a second sensing pattern 221, a second connection pattern 222, a first sensing line 241, and a second sensing line 242.

[0137] For example, the first conductive layer 200-2 may include a second connection pattern 222, a first sensing line 241, and a second sensing line 242. The second conductive layer 200-4 may include a first sensing pattern 211, a second sensing pattern 221, a first connection pattern 212, a first sensing line 241, a second sensing line 242, and a pattern 230.

[0138] The first sensing line 241 and the second sensing line 242 of the first conductive layer 200-2 and the second sensing line 241 and the second sensing line 242 of the second conductive layer 200-4 can be electrically connected to each other through contact holes defined by the sensing insulating layer 200-3. Therefore, the resistance of the first sensing line 241 and the second sensing line 242 can be reduced.

[0139] The first connection pattern 212 can be formed using the same process as the first sensing pattern 211. Therefore, the first connection pattern 212 and the first sensing pattern 211 can have the same material and the same stacking structure. Additionally, the first connection pattern 212 and the first sensing pattern 211 can have a single connection structure. The second connection pattern 222 can be disposed on a different layer than the second sensing pattern 221. Therefore, the second sensing pattern 221 can be referred to as a "bridging pattern".

[0140] At least one of the sensing insulating layer 200-3 and the covering insulating layer 200-5 may include an inorganic layer. The inorganic layer may include at least one of alumina, titanium oxide, silicon oxide, silicon oxynitride, zirconium oxide, and hafnium oxide.

[0141] At least one of the sensing insulating layer 200-3 and the covering insulating layer 200-5 may include an organic layer. The organic layer may include at least one of acrylic resins, methacrylic resins, polyisoprene resins, vinyl resins, epoxy resins, urethane resins, cellulose resins, siloxane resins, polyamide resins, and perylene resins.

[0142] Figure 7A It is shown Figure 5 A magnified plan view of region AA. Figure 7B It is shown Figure 7A A magnified plan view of region XX'.

[0143] exist Figure 7A and Figure 7B In this design, each of the first sensing pattern 211, the second sensing pattern 221, and the pattern 230 may have a grid structure (or a dot matrix structure). The boundary BD between the first sensing pattern 211, the second sensing pattern 221, and the pattern 230 can be defined by removing portions of the grid structure. Figure 7A In the diagram, the boundary BD is indicated by a solid line to clearly show the boundary BD. Figure 7B The removed portion of the mesh structure shown can correspond to the boundary BD. Furthermore, the break portion CTP defined by removing parts of the mesh structure can be further configured to prevent the boundary from being visible.

[0144] exist Figure 5 , Figure 7A and Figure 7BIn this sensor 200, a plurality of sensing units 200U may be included. The sensing units 200U may be disposed in the effective area 200A. Each of the sensing units 200U may include a portion of each of two first sensing patterns 211, a portion of each of two second sensing patterns 221, a first connecting pattern 212, a second connecting pattern 222 intersecting the first connecting pattern 212, and a pattern 230.

[0145] The sensing unit 200U may include a first sensing unit 200U1 (refer to...) Figure 7A ), second sensing unit 200U2 (refer to) Figure 8 ) and the third sensing unit 200U3 (refer to Figure 8 ).

[0146] The first sensing unit 200U1 may be a sensing unit spaced apart from the boundary 200B within the sensing unit 200U. The first sensing unit 200U1 may be referred to as a "reference sensing unit". The third portion 211c (or "branch portion") in the first sensing unit 200U1 may extend in a direction away from the second connection pattern 222 (or "bridging pattern"). Four third portions 211c may be disposed in the first sensing unit 200U1. Two third portions 211c may extend in the first intersecting direction DR3a, and the other two third portions 211c may extend in the second intersecting direction DR4a.

[0147] Figure 8 It is shown Figure 5 A magnified plan view of region BB'.

[0148] exist Figure 5 , Figure 7A and Figure 8 In this context, the second sensing unit 200U2 can be the sensing unit in the sensing unit 200U that contacts the first boundary portion 200B1, and the third sensing unit 200U3 can be the sensing unit in the sensing unit 200U that contacts the second boundary portion 200B2. The second sensing unit 200U2 can be referred to as an "external sensing unit".

[0149] The areas of the first sensing unit 200U1, the second sensing unit 200U2, and the third sensing unit 200U3 can be different from each other. For example, the area of ​​the second sensing unit 200U2 can be smaller than the area of ​​the first sensing unit 200U1 (or "reference sensing unit"), and the area of ​​the third sensing unit 200U3 can be larger than the area of ​​the first sensing unit 200U1. In this case, the first sensing unit 200U1, the second sensing unit 200U2, and the third sensing unit 200U3 can have different mutual capacitances. The mutual capacitance can be a capacitance that varies according to the input of an input component (e.g., a finger). According to one or more example embodiments, the mutual capacitance can be controlled by adjusting the connection relationship of the patterns in the second sensing unit 200U2 and the third sensing unit 200U3. Therefore, the sensitivity of the sensor 200 can be uniform.

[0150] The second sensing unit 200U2 may include a first sensing pattern 211-U2, a second sensing pattern 221-U2, and patterns 231a, 231b-1, 231b-2, and 232 adjacent to the first boundary portion 200B1.

[0151] The area of ​​the second sensing unit 200U2 can be smaller than the area of ​​the first sensing unit 200U1. Therefore, at least a portion of the patterns 231a, 231b-1, 231b-2, and 232 in the second sensing unit 200U2 can be electrically connected to the first sensing pattern 211 or the second sensing pattern 221 to increase the mutual capacitance of the second sensing unit 200U2. That is, compared to the first sensing unit 200U1, the patterns connected to the sensing patterns can be positioned where a floating pattern should be located.

[0152] The patterns 231a, 231b-1, 231b-2, and 232 of the second sensing unit 200U2 that contact the first boundary portion 200B1 can be referred to as "external patterns 231a, 231b-1, 231b-2, and 232". At least one of the external patterns 231a, 231b-1, 231b-2, and 232 can be electrically connected to the first sensing pattern 211-U2.

[0153] The external patterns 231a, 231b-1, 231b-2 and 232 may include the first external patterns 231a, 231b-1 and 231b-2 and the second external pattern 232. The first external patterns 231a, 231b-1 and 231b-2 are disposed between the first sensing pattern 211-U2 and the second sensing pattern 221-U2 and between the first sensing pattern 211-U2 and the second sensing pattern 221-U23. The second external pattern 232 is spaced apart from the first sensing pattern 211-U2 and one of the second sensing patterns 221-U2 and 221-U23 is located between the first sensing pattern 211-U2 and the second external pattern 232.

[0154] At least some of the first external patterns 231a, 231b-1 and 231b-2 can be electrically connected to the first sensing pattern 211-U2. Therefore, the mutual capacitance of the second sensing unit 200U2 can be increased compared to the mutual capacitance of some of the first external patterns 231a, 231b-1 and 231b-2 before they are connected to the first sensing pattern 211-U2.

[0155] The second sensing unit 200U2 may include four third connection portions 211-U2c1, 211-U2c2, 211-U2c3, and 211-U2c4 extending from the first connection pattern 212. The third connection portions 211-U2c1, 211-U2c2, 211-U2c3, and 211-U2c4 may be referred to as "branch portions". The branch portions 211-U2c1, 211-U2c2, 211-U2c3, and 211-U2c4 may include a first branch portion 211-U2c1, a second branch portion 211-U2c2, a third branch portion 211-U2c3, and a fourth branch portion 211-U2c4.

[0156] Each of the first branch portion 211-U2c1 and the third branch portion 211-U2c3 may extend in the first intersecting direction DR3a, and each of the second branch portion 211-U2c2 and the fourth branch portion 211-U2c4 may extend in the second intersecting direction DR4a. The first branch portion 211-U2c1 may contact the first boundary portion 200B1. Each of the second branch portion 211-U2c2, the third branch portion 211-U2c3, and the fourth branch portion 211-U2c4 may be spaced apart from the first boundary portion 200B1.

[0157] The first branch portion 211-U2c1 may include a third portion 211-U2c and a first external pattern 231b-1. The third portion 211-U2c may correspond to the third portion 211c of the first sensing unit 200U1, and the first external pattern 231b-1 may correspond to the floating pattern.

[0158] Since the first branch portion 211-U2c1 also includes a first external pattern 231b-1, the maximum width WTa of the first branch portion 211-U2c1 can be larger than the maximum width WTb of each of the second branch portions 211-U2c2, the third branch portion 211-U2c3, and the fourth branch portion 211-U2c4. Additionally, the first external pattern 231b-2 can be electrically connected to the second portion 211-U2b. As a result, although the area of ​​the second sensing unit 200U2 is smaller than the area of ​​the first sensing unit 200U1, the reduced mutual capacitance of the second sensing unit 200U2 can be compensated for by increasing the maximum width WTa of the first branch portion 211-U2c1 and electrically connecting the first external pattern 231b-2 to the second portion 211-U2b.

[0159] Since the first external patterns 231b-1 and 231b-2 are electrically connected to the first sensing pattern 211-U2 in the second sensing unit 200U2, the first external patterns 231b-1 and 231b-2 can be referred to as "auxiliary patterns". The first external patterns 231b-1 and 231b-2 can be essentially used as the first sensing pattern 211-U2. Therefore, the reduced mutual capacitance of the second sensing unit 200U2 due to the area difference between the second sensing unit 200U2 and the first sensing unit 200U1 can be compensated by the first external patterns 231b-1 and 231b-2.

[0160] The third sensing unit 200U3 may further include a boundary pattern 233. The boundary pattern 233 may be configured to be adjacent to the second boundary portion 200B2. The boundary pattern 233 may be disposed between the second sensing pattern 221-U23 and the line portion 240. Due to the boundary pattern 233, the parasitic capacitance generated between the second sensing pattern 221-U23 and the first sensing line 241 and the parasitic capacitance generated between the second sensing pattern 221-U3 and the first sensing line 241 can be reduced.

[0161] The boundary 233B between the boundary pattern 233 and the second sensing pattern 221-U23 can correspond to the shape of the boundary between the first boundary pattern 230b1 and the second sensing pattern 221-U23. For example, the boundary 233B can have a tortuous (Z-shaped) shape.

[0162] The area of ​​the third sensing unit 200U3 can be larger than the area of ​​the first sensing unit 200U1. The mutual capacitance of the third sensing unit 200U3 can be larger than the mutual capacitance of the first sensing unit 200U1. According to the example embodiment, because the boundary pattern 233 is provided, the mutual capacitance of the third sensing unit 200U3 can be reduced. Therefore, the difference between the mutual capacitance of the third sensing unit 200U3 and the mutual capacitance of the first sensing unit 200U1 can be reduced.

[0163] According to the example embodiment, due to the change in the shape of the sensing unit 200U, the reduced mutual capacitance can be increased, and the increased mutual capacitance can be decreased. Therefore, uniform sensitivity can be provided in the effective region 200A.

[0164] Figure 9 This illustrates the relationship between the example embodiment and... Figure 5 A magnified plan view of the region corresponding to region BB'. Figure 9 The text will describe in detail the relationship with... Figure 8 The features are different from the features, and the omission is different from the features. Figure 8 A detailed description of the same features as those described above.

[0165] exist Figure 5 , Figure 7A and Figure 9 In this design, the area of ​​the second sensing unit 200U2 can be smaller than the area of ​​the first sensing unit 200U1. Therefore, at least some of the patterns 231a and 232-1 of the second sensing unit 200U2 can be electrically connected to the first sensing pattern 211 or the second sensing pattern 221 to increase the mutual capacitance of the second sensing unit 200U2. Thus, compared to the first sensing unit 200U1, the patterns connected to the sensing patterns can be positioned at the locations where floating patterns should be positioned.

[0166] Patterns 231a and 232-1 of the second sensing unit 200U2 that contact the first boundary portion 200B1 can be referred to as “external patterns 231a and 232-1”. At least one of the external patterns 231a and 232-1 can be electrically connected to the second sensing patterns 221-U21 and 221-U231.

[0167] The outer patterns 231a and 232-1 may include a first outer pattern 231a and a second outer pattern 232-1. The first outer pattern 231a is disposed between the first sensing pattern 211-U2 and the second sensing pattern 221-U21 and between the first sensing pattern 211-U2 and the second sensing pattern 221-U231. The second outer pattern 232-1 is spaced apart from the first sensing pattern 211-U2, and one of the second sensing patterns 221-U21 and 221-U231 is located between the first outer pattern 231a and the second outer pattern 232-1.

[0168] In this example embodiment, the second external pattern 232-1 can be electrically connected to the second sensing patterns 221-U21 and 221-U231. Therefore, the mutual capacitance of the second sensing unit 200U2 can be increased compared to the mutual capacitance before the second external pattern 232-1 is connected to the second sensing patterns 221-U21 and 221-U231.

[0169] Since the second external pattern 232-1 is electrically connected to the second sensing patterns 221-U21 and 221-U231, the second external pattern 232-1 can be referred to as the "auxiliary pattern".

[0170] exist Figure 9 The second outer pattern 232-1 shown is a portion of the second sensing patterns 221-U21 and 221-U231. For example, the second sensing patterns 221-U21 and 221-U231 are related to... Figure 7A The portion corresponding to the second boundary pattern 230b2 (e.g., the second outer pattern 232-1) in Figure 9 It is shown in the middle by a dashed line.

[0171] Figure 10 This illustrates the relationship between the example embodiment and... Figure 5 A magnified plan view of the region corresponding to region BB'. Figure 10 The text will describe in detail the relationship with... Figure 8 The features are different from the features, and the omission and Figure 8 A detailed description of the same features as those described above.

[0172] exist Figure 5 and Figure 10 In the second sensing unit 200U2, the first external patterns 231b-1 and 231b-2 can be connected to the first sensing pattern 211-U2, and the second external pattern 232-1 can be electrically connected to the second sensing patterns 221-U21 and 221-U231.

[0173] Since the first external patterns 231b-1 and 231b-2 are electrically connected to the first sensing pattern 211-U2, the first external patterns 231b-1 and 231b-2 can be referred to as the "first auxiliary sensing pattern". Since the second external pattern 232-1 is electrically connected to the second sensing patterns 221-U21 and 221-U231, the second external pattern 232-1 can be referred to as the "second auxiliary sensing pattern".

[0174] Compared to the mutual capacitance of the first external patterns 231b-1 and 231b-2 before they are connected to the first sensing pattern 211-U2 and the mutual capacitance of the second external pattern 232-1 before they are connected to the second sensing patterns 221-U21 and 221-U231, the mutual capacitance of the second sensing unit 200U2 can be increased.

[0175] Figure 11 This illustrates the relationship between the example embodiment and... Figure 5 A magnified plan view of the region corresponding to region BB'. Figure 11 The text will describe in detail the relationship with... Figure 8 The features are different from the features, and the omission and Figure 8A detailed description of the same features as those described above.

[0176] exist Figure 5 and Figure 11 In this embodiment, the third sensing unit 200U3 may further include a boundary pattern 233-1. The boundary pattern 233-1 may be configured to be adjacent to the second boundary portion 200B2. The boundary pattern 233-1 may be configured between the second sensing pattern 221-U23 and the line portion 240.

[0177] The boundary 233B-1 between the boundary pattern 233-1 and the second sensing pattern 221-U23 can have a straight line shape extending in a predetermined direction (e.g., a first direction DR1). Alternatively, the boundary 233B-1 can extend substantially parallel to the boundary 200B. Therefore, the distance between the second sensing pattern 221-U23 and the line portion 240 can be obtained by a predetermined interval or a larger interval. Therefore, when with... Figure 8 In comparison, the parasitic capacitance generated between the second sensing pattern 221-U23 and the first sensing line 241, and between the second sensing pattern 221-U3 and the first sensing line 241, can be reduced by more.

[0178] Figure 12 This illustrates the relationship between the example embodiment and... Figure 5 A magnified plan view of the region corresponding to region BB'. Figure 12 The text will describe in detail the relationship with... Figure 8 The features are different from the features, and the omission and Figure 8 A detailed description of the same features as those described above.

[0179] exist Figure 5 and Figure 12 In this process, a boundary pattern 233 can be set for each of the second sensing unit 200U2 and the third sensing unit 200U3 (refer to...). Figure 8 Therefore, the second sensing patterns 221-U232 and 221-U32 can contact the first boundary portion 200B1 and the second boundary portion 200B2.

[0180] Figure 13 This illustrates the relationship between the example embodiment and... Figure 5 A magnified plan view of the region corresponding to region BB'. Figure 13 The text will describe in detail the relationship with... Figure 8 The features are different from the features, and the omission and Figure 8 A detailed description of the same features as those described above.

[0181] exist Figure 5 and Figure 13In the second sensing unit 200U2, the shape of the first sensing pattern 211 can be the same as the shape of the first sensing pattern 211 of the first sensing unit 200U1 (refer to...). Figure 7A Therefore, the widths of the branch portions 211c of the second sensing unit 200U2 can be the same as each other.

[0182] The third sensing unit 200U3 may further include a boundary pattern 233. The boundary pattern 233 may be configured to be adjacent to the second boundary portion 200B2. The boundary pattern 233 may be positioned between the second sensing pattern 221-U23 and the line portion 240 (see reference). Figure 5 )between.

[0183] Figure 14 This is an enlarged plan view showing some areas of the sensor 200-A according to an example embodiment.

[0184] exist Figure 14 In the middle, when with Figure 7A In contrast, sensor 200-A may also include patterns 234a and 234b. Patterns 234a and 234b may include a first additional pattern 234a defined in the first sensing pattern 211 and a second additional pattern 234b defined in the second sensing pattern 221-1.

[0185] The first additional pattern 234a may be surrounded by the first sensing pattern 211, and the second additional pattern 234b may be surrounded by the second sensing pattern 221-1. The first additional pattern 234a and the second additional pattern 234b may be floating electrodes not electrically connected to the first sensing pattern 211 and the second sensing pattern 221-1. Alternatively, the first additional pattern 234a and the second additional pattern 234b may be grounded. Alternatively, one of the first additional pattern 234a and the second additional pattern 234b may be electrically connected to the first sensing pattern 211 or the second sensing pattern 221-1.

[0186] Although certain exemplary embodiments and implementations have been described herein, other embodiments and modifications will become apparent from this description. Therefore, the inventive concept is not limited to such embodiments, but is limited to the broader scope of the appended claims and various obvious modifications and equivalent arrangements as will be apparent to those skilled in the art.

Claims

1. An electronic device comprising: a display panel; and a sensor disposed on the display panel, including an active area and a peripheral area defined in the sensor, and including a plurality of sensing cells disposed in the active area, each of the plurality of sensing cells including: a first sensing pattern including a plurality of branch portions; a plurality of second sensing patterns spaced apart from the first sensing pattern; a bridge pattern connecting the plurality of second sensing patterns to each other; and a plurality of patterns spaced apart from at least one of the first sensing pattern and the plurality of second sensing patterns, wherein the plurality of patterns of a sensing cell among the plurality of sensing cells that is in contact with a first boundary portion having a curvature in a boundary of the active area and the peripheral area include a plurality of outer patterns, and at least one outer pattern of the plurality of outer patterns is electrically connected to the first sensing pattern of the sensing cell or the plurality of second sensing patterns of the sensing cell, wherein an outer branch portion among the plurality of branch portions that is in contact with the first boundary portion has a width greater than a width of other branch portions among the plurality of branch portions. 2.The electronic device of claim 1, wherein, The plurality of outer patterns includes: a first outer pattern disposed between the first sensing pattern and the plurality of second sensing patterns; and a second outer pattern spaced apart from the first sensing pattern, and one of the plurality of second sensing patterns is disposed between the first sensing pattern and the second outer pattern. 3.The electronic device of claim 2, wherein, The first outer pattern is connected to one branch portion of the plurality of branch portions, and the second outer pattern is spaced apart from the one second sensing pattern. 4.The electronic device of claim 2, wherein The first outer pattern is connected to one branch portion of the plurality of branch portions, and the second outer pattern is connected to the one second sensing pattern. 5.The electronic device of claim 2, wherein The first outer pattern is spaced apart from the first sensing pattern and the plurality of second sensing patterns, and the second outer pattern is connected to the one second sensing pattern. 6.The electronic device of claim 1, wherein, the boundary further includes a second boundary portion extending from the first boundary portion, the plurality of sensing cells include a first sensing cell spaced apart from the boundary, a second sensing cell in contact with the first boundary portion, and a third sensing cell in contact with the second boundary portion, the third sensing cell has an area greater than each of an area of the first sensing cell and an area of the second sensing cell, and the area of the first sensing cell is greater than the area of the second sensing cell. 7.The electronic device of claim 6, wherein, The sensor further includes a line portion including a first sensing line electrically connected to the first sensing pattern and a second sensing line electrically connected to the plurality of second sensing patterns, and the first sensing pattern of the third sensing cell is connected to the first sensing line. 8.The electronic device of claim 7, wherein, The third sensing cell further includes a boundary pattern disposed between the line portion and the plurality of second sensing patterns. 9.The electronic device of claim 8, wherein, A boundary between the boundary pattern and the plurality of second sensing patterns has a zigzag shape or a straight line shape.

10. The electronic apparatus according to any one of claims 1-9, wherein, The sensing units are arranged in a first direction and a second direction intersecting the first direction, a first branch portion among the plurality of branch portions extends in a first cross direction intersecting the first direction and the second direction, and a second branch portion among the plurality of branch portions extends in a second cross direction intersecting the first cross direction.

11. The electronic apparatus according to any one of claims 1-9, wherein, Each of the plurality of branch portions extends in a direction away from the bridge pattern.

12. The electronic apparatus according to any one of claims 1-9, wherein, Each of the plurality of second sensing patterns surrounds at least two branch portions among the plurality of branch portions.

13. The electronic device of any one of claims 1-9, wherein, The plurality of sensing units are arranged in a first direction and a second direction intersecting the first direction, the plurality of second sensing patterns of each of two sensing units among the plurality of sensing units adjacent to each other in the first direction are electrically connected to each other, and the plurality of second sensing patterns of each of two sensing units among the plurality of sensing units adjacent to each other in the second direction are spaced apart from each other and some of the plurality of patterns are disposed therebetween. 14.An electronic device, the electronic device comprising: a display panel; and a sensor disposed on the display panel, including an active area and a peripheral area defined in the sensor, and including a plurality of sensing units disposed in the active area and a line portion including a plurality of lines disposed in the peripheral area and electrically connected to the plurality of sensing units, each of the plurality of sensing units including: a first sensing pattern including a plurality of branch portions; a plurality of second sensing patterns spaced apart from each other and the first sensing pattern disposed therebetween; and a bridge pattern connecting the plurality of second sensing patterns to each other, the plurality of sensing units including: a first sensing unit spaced apart from a boundary of the active area and the peripheral area; a second sensing unit in contact with a first boundary portion having a curvature among the boundary; and a third sensing unit in contact with a second boundary portion among the boundary and including a boundary pattern disposed between the line portion and the plurality of second sensing patterns, the second boundary portion adjacent to the line portion, wherein the boundary pattern is disposed between the plurality of second sensing patterns and the peripheral area. 15.The electronic device of claim 14, wherein, A boundary between the boundary pattern and the plurality of second sensing patterns has a zigzag shape or a straight line shape. 16.The electronic device of claim 14 or 15, wherein, Each of the plurality of sensing units further includes: a plurality of patterns spaced apart from the first sensing pattern and the plurality of second sensing patterns, the plurality of patterns including a plurality of external patterns in contact with the first boundary portion, and at least one external pattern among the plurality of external patterns is electrically connected to the first sensing pattern or the plurality of second sensing patterns. 17.The electronic device of claim 16, wherein, The plurality of external patterns include: a first external pattern disposed between the first sensing pattern and the plurality of second sensing patterns; and a second external pattern disposed between the second boundary portion and the line portion. a second external pattern spaced apart from the first sensing pattern and one of the plurality of second sensing patterns disposed between the second external pattern and the first sensing pattern, and at least one of the first external pattern and the second external pattern connected to one of the plurality of branch portions or the one of the second sensing patterns. 18.An electronic device comprising: a display panel; and a sensor disposed on the display panel, including an active area and a peripheral area defined in the sensor, and including a first sensing electrode and a second sensing electrode, the first sensing electrode including a plurality of branch portions, the second sensing electrode crossing the first sensing electrode, wherein a width of a branch portion among the plurality of branch portions contacting a boundary portion having a curvature is greater than a width of a branch portion among the plurality of branch portions spaced apart from the boundary portion, the boundary portion in a boundary of the active area and the peripheral area. 19.An electronic device comprising: a display panel; and a sensor disposed on the display panel, including an active area and a peripheral area defined in the sensor, and including a reference sensing unit and an external sensing unit, the reference sensing unit disposed in the active area, each of the reference sensing unit and the external sensing unit including: a first sensing pattern including a plurality of branch portions; a plurality of second sensing patterns spaced apart from the first sensing pattern; a bridge pattern connecting the plurality of second sensing patterns to each other; and a plurality of patterns spaced apart from at least one of the first sensing pattern and the plurality of second sensing patterns, wherein the external sensing unit is disposed adjacent to a boundary portion having a curvature in a boundary of the active area and the peripheral area, and at least one of the plurality of patterns of the external sensing unit is electrically connected to the first sensing pattern or the plurality of second sensing patterns, wherein, in the plurality of patterns of the external sensing unit, a first length of a first pattern is shorter than a second length of a second pattern.

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