Display device

Abstract

According to an embodiment of the present disclosure, a display device is provided. The display device includes: a display part configured to emit light; and a sensing part disposed on the display part and including a plurality of transmitter electrodes extending in a first direction and a plurality of receiver electrodes extending in a second direction different from the first direction. Each of the plurality of emitter electrodes includes a first counter electrode and a second counter electrode disposed in the emitter column and spaced apart from each other in the second direction.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to and the benefit of Korean Patent Application No. 10-2023-0104905 filed in the Korean Intellectual Property Office on August 10, 2023, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present disclosure relates to a display device including a touch sensor. Background Art

[0004] Recently, as interest in information display has been increasing, research and development related to display devices have also been ongoing.

[0005] The display device may include a display panel for displaying an image and a sensing panel for sensing an object. The sensing panel may be used to determine the position of a touch input provided by a user.

[0006] The sensing panel may include various panel structures to implement a touch sensing structure. For example, the sensing panel may include a contact structure electrically connecting electrodes.

[0007] When the panel structure including the contact structure is visible from the outside, there may be a risk that the visibility of the display device will be reduced. Summary of the invention

[0008] An aspect of the present disclosure is to provide a display device including a touch sensor and having improved visibility.

[0009] According to an embodiment, a display device includes: a display component configured to emit light; and a sensing component provided on the display component and including a plurality of transmitter electrodes extending in a first direction and a plurality of receiver electrodes extending in a second direction different from the first direction. Each of the plurality of transmitter electrodes may include a first paired electrode and a second paired electrode provided in a transmitter column and spaced apart from each other in the second direction. The first paired electrode may include a first connection portion and a first main body portion integrally formed with the first connection portion and extending in the second direction. The second paired electrode may include a second connection portion and a second main body portion integrally formed with the second connection portion and extending in the second direction. The first main body portion and the second main body portion may overlap each other in the first direction, and the first connection portion and the second connection portion may not overlap each other in the first direction. The first main body portion and the second connection portion may face each other in the second direction, and the second main body portion and the first connection portion may face each other in the second direction.

[0010] According to an embodiment, the display device may include a sensor driver configured to drive the sensing element. The sensor driver may drive the sensing element by a frequency division multiplexing (FDM) driving method.

[0011] According to an embodiment, the sensor driver may include a multi-frequency generator, a sensor receiver electrically connected to the plurality of receiver electrodes, and a sensor transmitter electrically connected to the plurality of transmitter electrodes. The multi-frequency generator may generate a first frequency signal and a second frequency signal having different frequencies. The sensor transmitter may generate a first drive signal based on the first frequency signal, and generate a second drive signal based on the second frequency signal.

[0012] According to an embodiment, the first drive signal and the second drive signal may be differential signals.

[0013] According to an embodiment, the first counter-electrode and the second counter-electrode may form a transmitter column.

[0014] According to an embodiment, the display device may include a sensing area in which the plurality of transmitter electrodes and the plurality of receiver electrodes are arranged and a non-sensing area surrounding at least a portion of the sensing area. The display device may also include a plurality of transmitter lines arranged in the non-sensing area and electrically connected to the plurality of transmitter electrodes, respectively. The plurality of transmitter lines may be electrically connected to the first paired electrode and the second paired electrode.

[0015] According to an embodiment, the first counter-electrode and the second counter-electrode may be electrically isolated from each other.

[0016] According to an embodiment, each of the plurality of receiver electrodes may include a plurality of receiver electrode portions spaced apart in the second direction and a bridge electrically connecting the plurality of receiver electrode portions.

[0017] According to an embodiment, the plurality of receiver electrode portions may overlap the first body portion and the second body portion in the first direction.

[0018] According to an embodiment, the bridge may extend in the second direction.

[0019] According to an embodiment, the bridge may not extend in the first direction.

[0020] According to an embodiment, the plurality of transmitter electrodes and the plurality of receiver electrodes are composed of a conductive pattern layer. The conductive pattern layer may include a first conductive pattern layer and a second conductive pattern layer disposed on the first conductive pattern layer. The bridge may be formed by the first conductive pattern layer. The plurality of receiver electrode portions may be formed by the second conductive pattern layer. The plurality of transmitter electrodes may be formed by the second conductive pattern layer.

[0021] According to an embodiment, the sensing part may further include a first insulating layer disposed between the first conductive pattern layer and the second conductive pattern layer. The bridge may be electrically connected to the plurality of receiver electrodes via a contact portion formed through the first insulating layer.

[0022] According to an embodiment, the sensing component may further include a dummy contact portion in which the first insulating layer is partially removed so as not to expose the first conductive pattern. The contact portion may include a plurality of contact portions. The dummy contact portion may overlap with the bridge in a plan view and may be disposed between the plurality of contact portions.

[0023] According to an embodiment, the plurality of receiver electrode portions may include a plurality of receiver electrode portions spaced apart in the second direction and arranged in a single receiver row.

[0024] According to an embodiment, the plurality of receiver electrode portions may include a plurality of receiver electrode portions spaced apart in the first direction and arranged in a single receiver column.

[0025] According to an embodiment, the first counter electrode, the second counter electrode, and the receiver electrode portion may be formed of a same conductive layer, formed on a same plane, and may be electrically isolated from each other.

[0026] According to an embodiment, each of the first counter electrode and the second counter electrode may include a serrated structure formed to be complementary to each other.

[0027] According to an embodiment, a display device includes: a light emitting element disposed on a substrate layer; and a sensing component disposed on the substrate layer and including a transmitter electrode and a receiver electrode extending in different directions. The sensing component may be driven by a frequency division multiplexing (FDM) driving method. The transmitter electrode may include a first paired electrode and a second paired electrode spaced apart from each other in a direction and disposed in a corresponding transmitter column. Each of the first paired electrode and the second paired electrode may include a sawtooth structure formed to complement each other.

[0028] According to an embodiment, a display device includes: a light emitting element disposed on a substrate layer; and a sensing component disposed on the substrate layer and including a transmitter electrode extending in a first direction and a receiver electrode extending in a second direction different from the first direction. The sensing component may be driven by a frequency division multiplexing (FDM) driving method. The receiver electrode may include a receiver electrode portion disposed along the second direction and a plurality of bridges electrically connecting the receiver electrode portions disposed adjacent to each other in the second direction. Each of the plurality of bridges may extend in the second direction without extending in the first direction so as not to include a bent portion.

[0029] According to an embodiment of the present disclosure, a display device including a touch sensor and having improved visibility may be provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic block diagram showing a display device according to an embodiment.

[0031] Figure 2 and Figure 3 is a schematic plan view showing a display device according to an embodiment.

[0032] Figure 4 is a schematic plan view showing a part of a sensing component according to an embodiment.

[0033] Figure 5 and Figure 6 is a schematic diagram showing a connection relationship between a sensing component and a sensor driver according to an embodiment.

[0034] Figure 7 is a schematic cross-sectional view showing a stacked structure of a display device according to an embodiment.

[0035] Figure 8 is a schematic cross-sectional view showing a display member according to an embodiment.

[0036] Fig. 9 is a schematic cross-sectional view showing a sensing component according to an embodiment.

[0037] Fig.10 is a schematic cross-sectional view showing a display device according to an embodiment.

[0038] Fig.11 is a schematic plan view showing the structure of a counter electrode according to the embodiment.

[0039] Fig.12 and Fig.13 is a schematic plan view showing a sensing component according to an embodiment.

[0040] Fig.14 is a schematic plan view showing a mesh structure of a sensing electrode according to an embodiment.

[0041] Fig.15 and Fig.16 yes Fig.12 Schematic enlargement of area EA1.

[0042] Fig.17 It is along Fig.16 Schematic cross-sectional view taken along line AA'.

[0043] Fig.18 , Fig.19 and Fig. 20 is a diagram illustrating a sensing component including a dummy contact portion according to an embodiment. DETAILED DESCRIPTION

[0044] It will be apparent to those skilled in the art that various modifications and variations may be made in the present disclosure without departing from the spirit or scope of the present disclosure, and specific embodiments are illustrated in the drawings and described in the detailed description. Therefore, the present inventive concept is intended to cover modifications and variations of the present inventive concept, provided that such modifications and variations are within the scope of the present inventive concept and its equivalents.

[0045] The terms "first" and "second" etc. may be simply used to describe various constituent elements, but these meanings may not be limited to restrictive meanings. The above terms are only used to distinguish one constituent element from other constituent elements. For example, within the scope of the appended claims, a first constituent element may be referred to as a second constituent element, and similarly, a second constituent element may be referred to as a first constituent element. When interpreting a singular, unless explicitly described to the contrary, the singular may be interpreted as a plural meaning.

[0046] In the specification, the words "including" or "having" are used to illustrate the presence of a feature, number, process, operation, constituent element, component or combination thereof, and it will be understood that the presence or additional possibility of one or more other features, numbers, processes, operations, constituent elements, components or combinations thereof is not precluded. In addition, it will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" another element, the element may be directly on the other element, or there may also be an intervening element. In the specification, it will be understood that when an element such as a layer, film, region or substrate is referred to as being set "on" another element, the direction in which it is set is not limited to the upper direction, and includes a lateral direction or a lower direction. Conversely, it will be understood that when an element such as a layer, film, region or substrate is referred to as being "under" another element, the element may be directly under the other element, or there may also be an intervening element.

[0047] The present disclosure relates to a display device including a touch sensor. Hereinafter, a display device including a touch sensor according to an embodiment will be described with reference to the accompanying drawings.

[0048] Reference Figures 1 to 3 , a display device DD including a display part DP and a sensing part TSP will be described.

[0049] Figure 1 is a schematic block diagram showing a display device according to an embodiment. Figure 2 and Figure 3 is a schematic plan view showing a display device according to an embodiment. For example, Figure 2 The display part DP and the display driver (D-IC) DDV of the display device DD according to the embodiment may be schematically illustrated. Figure 3 The sensing part TSP and the sensor driver (T-IC) SDV of the display device DD according to the embodiment may be schematically illustrated.

[0050] Reference Figures 1 to 3 According to an embodiment, the display device DD is configured to provide (or emit) light. The display device DD includes a panel PNL and a driving circuit part DV for driving the panel PNL.

[0051] The panel PNL may include a display part DP configured to display an image and a sensing part TSP configured to sense a user's input (eg, a touch input).

[0052] The display part DP may include pixels PXL. The sensing part TSP may include sensing electrodes SP.

[0053] The driving circuit part DV may include a display driver DDV configured to drive the display part DP and a sensor driver SDV configured to drive the sensing part TSP.

[0054] According to an embodiment, the display part DP may be referred to as a display panel, and the sensing part TSP may be referred to as a sensing panel or a touch sensor.

[0055] The pixel PXL may display an image in units of a display frame period, and the sensing electrode SP may sense a user's input (eg, a touch input) in units of a sensing frame period.

[0056] According to an embodiment, the sensing frame period and the display frame period may be independent of each other, or may be different from each other. The sensing frame period and the display frame period may be synchronized with each other, or may be asynchronous.

[0057] The sensing part TSP including the sensing electrode SP may obtain information about a user's touch input. The information about the touch input (or touch event) may represent information including a location of a touch provided by the user.

[0058] According to an embodiment (eg, mutual capacitance method), the sensing electrode SP may include a transmitter electrode TX providing a first sensing signal (eg, a driving signal or a transmission signal) and a receiver electrode RX providing a second sensing signal (eg, an output signal or a reception signal).

[0059] The display part DP may include a first base layer BS1 and pixels PXL disposed on the first base layer BS1. The pixels PXL may be disposed in the display area DA. The first base layer BS1 may be a display base layer.

[0060] The first base layer BS1 (or the display device DD) may include a display area DA displaying an image and a non-display area NDA outside the display area DA. According to an embodiment, the display area DA may be disposed in a central area of ​​the display part DP, and the non-display area NDA may be disposed adjacent to the periphery of the display area DA.

[0061] The first base layer BS1 may be a base substrate or a base member for supporting the display device DD. The base layer may be a rigid base made of glass. Alternatively, the base layer may be a flexible base configured to be bent, folded, curled, etc. In this case, the base layer may include an insulating material such as a polymer resin such as polyimide. However, the present disclosure is not particularly limited thereto.

[0062] In the display area DA, pixels PXL and scan lines and data lines electrically connected to the pixels PXL may be disposed.

[0063] The pixel PXL may be configured to receive a data signal from the data line based on an on-level scan signal supplied from the scan line and emit light having brightness corresponding to the data signal. Thus, an image corresponding to the data signal is displayed in the display area DA.

[0064] The pixels PXL may be arranged according to an array structure within the display area DA. For example, the pixels PXL may have stripes (eg, S-stripes) or Array Structure However, the present disclosure is not necessarily limited to the embodiments described above.

[0065] The pixel PXL may include a first sub-pixel SPX1, a second sub-pixel SPX2, and a third sub-pixel SPX3. The first sub-pixel SPX1, the second sub-pixel SPX2, and the third sub-pixel SPX3 may form a pixel unit PXU configured to emit light of various colors.

[0066] For example, each of the first subpixel SPX1, the second subpixel SPX2, and the third subpixel SPX3 may emit light of one color. For example, the first subpixel SPX1 may be a red pixel that emits red light (e.g., light of the first color), the second subpixel SPX2 may be a green pixel that emits green light (e.g., light of the second color), and the third subpixel SPX3 may be a blue pixel that emits blue light (e.g., light of the third color).

[0067] Various signal lines and / or internal circuit units connected to the pixels PXL of the display area DA may be disposed in the non-display area NDA. For example, several signal lines for supplying various power and control signals to the display area DA may be disposed in the non-display area NDA.

[0068] The panel PNL may include a pad area PDA. The panel PNL may include a display pad DPD, a chip on film COF, and a driving circuit part DV.

[0069] The display pad DPD may be disposed in the pad area PDA. The pad area PDA may be disposed in the non-display area NDA. The non-display area NDA may include the pad area PDA. For example, the pad area PDA may be disposed at one side of the display area DA.

[0070] The display pad DPD may be electrically connected to the pixel PXL in the display area DA via a signal line. The display pad DPD may be electrically connected to a display driver DDV formed (e.g., included) in the drive circuit component DV via a chip-on-film COF. For example, an electrical signal provided by the display driver DDV may be applied to the pixel PXL via the display pad DPD.

[0071] The chip-on-film COF may be electrically connected to the display pad DPD and the display driver DDV. For example, one end of the chip-on-film COF may be connected to (or attached to) the pad area PDA, and the other end of the chip-on-film COF may be connected to (or attached to) the drive circuit component DV. At least a portion of the chip-on-film COF may be bent.

[0072] The chip-on-film COF may include an insulating film and a plurality of conductive lines provided on the insulating film. The chip-on-film COF may be a general term for a form including an insulating film made of a thin film and conductive lines formed on the insulating film, and may be referred to as a tape carrier package, a flexible printed circuit board, etc. In the chip-on-film COF, although not shown, semiconductor chips connected to at least some of the conductive lines may be further mounted on the insulating film.

[0073] The driving circuit component DV may include a flexible circuit board. The display driver DDV may be formed in the driving circuit component DV. The driving circuit component DV may be disposed on the back surface of the first base layer BS1 of the display component DP. One end of the driving circuit component DV may be connected to a chip-on-film COF having a bent shape and disposed on the back surface of the first base layer BS1, so that the driving circuit component DV may not be visible from the outside.

[0074] The sensing part TSP may obtain information about an input provided by a user. The sensing part TSP is configured to recognize a touch input.

[0075] The second base layer BS2 (or the display device DD) may include a sensing area SA that can sense a touch input, etc., and a non-sensing area NSA around the sensing area SA. According to an embodiment, the sensing area SA may be set to overlap with at least one area in the display area DA. For example, the sensing area SA may be an area corresponding to the display area DA (e.g., an area overlapping the display area DA), and the non-sensing area NSA may be an area corresponding to the non-display area NDA (e.g., an area overlapping the non-display area NDA). In this case, when a touch input, etc. is provided on the display area DA, the touch input may be detected via the sensing part TSP.

[0076] The second base layer BS2 may include one or more insulating layers (eg, the first insulating layer INS1 (see Fig. 9 )). For example, a first insulating layer INS1 for forming the second base layer BS2 may be disposed on the display part DP to form a base for forming the sensing electrode SP. However, examples for forming the second base layer BS2 are not particularly limited.

[0077] The sensing area SA is an area that can respond to a touch input (ie, an active area of ​​a sensor). To this end, a sensing electrode SP for sensing a touch input, etc., may be disposed in the sensing area SA.

[0078] According to an embodiment, the transmitter electrode TX may extend in the first direction DR1. The electrode structures forming the transmitter electrode TX may be arranged in the first direction DR1. The transmitter electrodes TX may be sequentially disposed in the second direction DR2, and each of the transmitter electrodes TX may form a transmitter column.

[0079] According to an embodiment, the receiver electrodes RX may extend in the second direction DR2. The electrode structures forming the receiver electrodes RX may be arranged in the second direction DR2. The receiver electrodes RX may be sequentially disposed in the first direction DR1, and each of the receiver electrodes RX may form a receiver row.

[0080] The second direction DR2 may be different from the first direction DR1. For example, the second direction DR2 may be perpendicular to the first direction DR1.

[0081] The sensing part TSP may include a transmitter line TW, a receiver line RW, a touch sensing pad TPD (a first touch sensing pad TPD1 and a second touch sensing pad TPD2 ).

[0082] The transmitter line TW and the receiver line RW may be arranged in the non-sensing area NSA of the sensing part TSP. The non-sensing area NSA may surround at least a portion of the sensing area SA. The non-sensing area NSA may include a pad area PDA. The pad area PDA may be arranged in the non-sensing area NSA. The pad area PDA may be arranged on one side of the sensing area SA.

[0083] The transmitter electrode TX may include a plurality of transmitter electrodes TX each forming a transmitter column. For example, the transmitter electrode TX may include a first transmitter electrode TX1, a second transmitter electrode TX2, ..., an n-1th transmitter electrode TXn-1, and an nth transmitter electrode TXn (n is an integer of 2 or more). Each of the first to nth transmitter electrodes TX1 to TXn may extend in the first direction DR1 and may be sequentially arranged in the second direction DR2.

[0084] The transmitter wire TW may be electrically connected to the transmitter electrode TX, and may be electrically connected to the first touch sensing pad TPD1 According to an embodiment, the transmitter wire TW may be a tracking wire for the transmitter electrode TX.

[0085] The transmitter wire TW may include a plurality of transmitter wires TW each electrically connected to a different transmitter electrode TX. For example, the transmitter wire TW may include a first transmitter wire TW1 electrically connected to the first transmitter electrode TX1 and a second transmitter wire TW2 electrically connected to the second transmitter electrode TX2.

[0086] Meanwhile, according to an embodiment, each of the transmitter lines TW may include a pair of transmitter lines. For example, the first transmitter line TW1 may include a 1-1 transmitter line TW1-1 and a 1-2 transmitter line TW1-2. The second transmitter line TW2 may include a 2-1 transmitter line TW2-1 and a 2-2 transmitter line TW2-2.

[0087] The pair of transmitter lines may be electrically connected to a pair of electrodes PA1 and PA2 (see Figure 4). For example, the 1-1 transmitter wire TW1-1 may be electrically connected to the first paired electrode PA1 included in the first transmitter electrode TX1. The 1-2 transmitter wire TW1-2 may be electrically connected to the second paired electrode PA2 included in the first transmitter electrode TX1. The 2-1 transmitter wire TW2-1 may be electrically connected to the first paired electrode PA1 included in the second transmitter electrode TX2. The 2-2 transmitter wire TW2-2 may be electrically connected to the second paired electrode PA2 included in the second transmitter electrode TX2.

[0088] Will refer to later Figures 4 to 6 Details are described regarding an embodiment in which the transmitter electrode TX forms the counter electrodes PA1 and PA2.

[0089] The receiver electrode RX may include a plurality of receiver electrodes RX each forming a receiver row. For example, the receiver electrode RX may include a first receiver electrode RX1, a second receiver electrode RX2, ..., an m-1th receiver electrode RXm-1, and an m-th receiver electrode RXm (m is defined independently of n and is an integer of 2 or more). Each of the first to m-th receiver electrodes RX1 to RXm may extend in the second direction DR2 and may be sequentially arranged in the first direction DR1.

[0090] The receiver wire RW may be electrically connected to the receiver electrode RX and the second touch sensing pad TPD2. According to an embodiment, the receiver wire RW may be a trace line for the receiver electrode RX.

[0091] The receiver lines RW may include a plurality of receiver lines RW each electrically connected to a different receiver electrode RX For example, the receiver lines RW may include a first receiver line RW1 electrically connected to a first receiver electrode RX1 and a second receiver line RW2 electrically connected to a second receiver electrode RX2 .

[0092] The first touch sensing pads TPD1 and the second touch sensing pads TPD2 may be disposed in the pad area PDA.

[0093] The first touch sensing pad TPD1 may be electrically connected to the transmitter electrode TX in the sensing area SA via the transmitter line TW. The second touch sensing pad TPD2 may be electrically connected to the receiver electrode RX in the sensing area SA via the receiver line RW.

[0094] The first and second touch sensing pads TPD1 and TPD2 may be electrically connected to a sensor driver SDV formed in a driving circuit part DV via a chip on film COF.

[0095] For example, the electrical signal provided by the sensor driver SDV may be applied to the sensing electrode SP via the first touch sensing pad TPD1 and the second touch sensing pad TPD2. According to an embodiment, the first touch sensing pad TPD1 may be a Tx pad (i.e., a pad connected to the transmitter electrode TX), and the second touch sensing pad TPD2 may be an Rx pad (i.e., a pad connected to the receiver electrode RX).

[0096] Reference Figures 4 to 6 , a technical description of the sensing part TSP is shown with respect to a structure in which the transmitter electrode TX includes the first counter electrode PA1 and the second counter electrode PA2 according to the embodiment.

[0097] Figure 4 is a schematic plan view showing a portion of a sensing component according to an embodiment. For example, Figure 4 A structure in which the transmitter electrode TX according to the embodiment includes a first counter electrode PA1 and a second counter electrode PA2 may be schematically shown.

[0098] Figure 5 and Figure 6 is a schematic diagram showing the connection relationship between the sensing component and the sensor driver according to an embodiment. For example, Figure 5 Detailed description may be given of a schematic block diagram illustrating a connection relationship between a sensing part TSP and a sensor driver SDV according to an embodiment. Figure 6 2 may be a schematic plan view illustrating a connection relationship between transmitter and receiver electrodes TX and RX of a sensing part TSP and a sensor driver SDV according to an embodiment.

[0099] Reference Figures 4 to 6 , each of the transmitter electrodes TX according to the embodiment may include counter electrodes PA1 and PA2 formed in the same transmitter column.

[0100] For example, each of the first to n-th transmitter electrodes TX1 to TXn (n is an integer of 2 or more) may include a first counter electrode PA1 and a second counter electrode PA2 disposed in a corresponding transmitter column.

[0101] For example, the first transmitter electrode TX1 may include a 1-1 transmitter electrode TX1-1 forming a first counter electrode PA1 and a 1-2 transmitter electrode TX1-2 forming a second counter electrode PA2. The second transmitter electrode TX2 may include a 2-1 transmitter electrode TX2-1 forming a first counter electrode PA1 and a 2-2 transmitter electrode TX2-2 forming a second counter electrode PA2.

[0102] Therefore, one first counter electrode PA1 and one second counter electrode PA2 electrically separated from each other may be formed in each of the transmitter columns in the sensing area SA.

[0103] According to an embodiment, the sensing part TSP may be driven by a frequency division multiplexing (FDM) driving method. For example, the sensor driver SDV may drive the sensing part TSP using the FDM driving method.

[0104] The FDM driving method may be one of the methods for processing a touch input signal. For example, in order for the sensing part TSP to obtain information about the user's touch input, a driving signal having a spatial frequency band may be applied to each of the emitter columns. In this case, the driving signal provided to the emitter column may include a driving signal having a different spatial frequency band. Information about the touch input for the same emitter column may be obtained based on the driving signal having a different spatial frequency band.

[0105] In this case, the sensing part TSP may be prepared to be robust to D2T (Drive to Touch) noise and T2D (Touch to Display) noise, and thus the reliability of information on a touch event provided by a user may be improved.

[0106] According to an embodiment, in order for the sensing part TSP to be driven by the FDM driving method, the sensor driver SDV may include a multi-frequency generator MFG, a sensor transmitter TDC, and a sensor receiver TSC.

[0107] The multi-frequency generator MFG can generate frequency signals with different frequencies. For example, the multi-frequency generator MFG can generate a first frequency signal and a second frequency signal with different frequencies. The multi-frequency generator MFG can be implemented as a numerically controlled oscillator (NCO) to generate the frequency signals. The multi-frequency generator MFG can be implemented using the same number of oscillators as the number of frequency signals.

[0108] The sensor transmitter TDC may be electrically connected to the multi-frequency generator MFG. The sensor transmitter TDC may be electrically connected to the sensing part TSP. The sensor transmitter TDC may be electrically connected to a transmitter electrode TX provided in the sensing part TSP.

[0109] The sensor transmitter TDC may supply a driving signal to a transmitter electrode TX provided in the sensing part TSP. The sensor transmitter TDC may be electrically connected to each of the first paired electrode PA1 and the second paired electrode PA2. For example, the sensor transmitter TDC may be electrically connected to the first transmitter electrode TX1, and the sensor transmitter TDC may be electrically connected to each of the 1-1 transmitter electrode TX1-1 and the 1-2 transmitter electrode TX1-2. For example, also refer to Figure 3, the sensor transmitter TDC in the sensor driver SDV may be electrically connected to the 1-1 transmitter electrode TX1-1 via the 1-1 transmitter wire TW1-1, and the sensor transmitter TDC may be electrically connected to the 1-2 transmitter electrode TX1-2 via the 1-2 transmitter wire TW1-2.

[0110] The sensor receiver TSC may receive a sensing signal from the receiver electrode RX. The sensor receiver TSC may be electrically connected to the multi-frequency generator MFG. The sensor receiver TSC may be electrically connected to the sensing part TSP. The sensor receiver TSC may be electrically connected to the receiver electrode RX.

[0111] For example, the sensor receiver TSC may be electrically connected to the first receiver electrode RX1. The sensor receiver TSC may be electrically connected to the second receiver electrode RX2. The sensor receiver TSC may be electrically connected to the third receiver electrode RX3. The sensor receiver TSC may be electrically connected to the fourth receiver electrode RX4.

[0112] According to an embodiment, the sensor transmitter TDC may supply a first drive signal to the first paired electrode PA1 based on the first frequency signal. The sensor transmitter TDC may supply a second drive signal to the second paired electrode PA2 based on the second frequency signal. According to an embodiment, the sensor transmitter TDC may simultaneously supply the first drive signal and the second drive signal to the first paired electrode PA1 and the second paired electrode PA2, respectively.

[0113] According to an embodiment, the sensor receiver TSC may receive a sensing signal from the receiver electrode RX. The sensor receiver TSC may receive and process (eg, perform demodulation and filtering) sensing signals of various frequencies.

[0114] According to an embodiment, the sensor transmitter TDC may include a modulator. The modulator may generate a drive signal based on an applied frequency signal (e.g., a first frequency signal and a second frequency signal). For example, the sensor transmitter TDC may generate a first drive signal based on the first frequency signal and generate a second drive signal based on the second frequency signal.

[0115] According to an embodiment, the first frequency signal and the second frequency signal may be orthogonal to each other. That is, according to an embodiment, the first drive signal and the second drive signal that may be supplied to the first paired electrode PA1 and the second paired electrode PA2, respectively, may be composed of differential signals, and thus the risk of the generated drive signals interfering with each other may be reduced. For example, the first drive signal and the second drive signal may be differential signals.

[0116] In summary, according to the embodiment, a sensing part TSP having improved reliability of information on a touch input can be provided by using a differential signal.

[0117] Meanwhile, according to embodiments, each of the transmitter electrodes TX may include the first counter electrode PA1 and the second counter electrode PA2 , so that the electrode structures must be densely patterned and connection structures may need to be formed between the electrode structures so as not to impair visibility of the display device DD.

[0118] According to the embodiment, the sensing part TSP may have a predetermined electrode structure, and thus the sensing part TSP with improved visibility may be provided. Figures 7 to 20 , a display device DD including a sensing part TSP having an electrode structure will be described.

[0119] First, refer to Figure 7 , a cross-sectional structure of a display device DD according to an embodiment will be described. Figure 7 is a schematic cross-sectional view showing a stacked structure of a display device according to an embodiment.

[0120] Reference Figure 7 , the sensing part TSP may be disposed on the display part DP. The display device DD may further include an external part OUP.

[0121] The external component OUP can be formed on the first base layer BS1 (see Figure 2 ) is disposed on the sensing part TSP in a thickness direction (eg, a third direction DR3) of the display part DP. Light provided from the display part DP may pass through the external part OUP and may be output to the outside. According to an embodiment, the external part OUP may include a window. According to an embodiment, the external part OUP may include a reflection control layer RCL (see Fig.10 ) and the light blocking layer LBL (see Fig.10 ). According to an embodiment, the external part OUP may further include a color filter.

[0122] Next, refer to Figure 8 , an embodiment of the display part DP will be described. Figure 8 is a schematic cross-sectional view showing a display member according to an embodiment.

[0123] Reference Figure 8 , also refer to Figure 2 and Figure 7 , the display part DP may include a pixel circuit layer PCL and a light emitting element layer EML.

[0124] According to an embodiment, the display part DP may output visual information (e.g., an image). According to an embodiment, the type / kind of the display part DP is not particularly limited. For example, the display part DP may be implemented as a display panel of a self-luminous type such as an organic light-emitting display panel. However, when the display part DP is implemented as a self-luminous type, each pixel is not necessarily limited to only including an organic light-emitting element. For example, the light-emitting element of each pixel may be formed by an organic light-emitting diode, an inorganic light-emitting diode, or a quantum dot / quantum well light-emitting diode, etc. According to an embodiment, the display part DP may be implemented as a display panel of a non-emitting type such as a liquid crystal display panel. When the display part DP is implemented as a non-emitting type, the display device DD may further include a light source such as a backlight unit.

[0125] Hereinafter, for convenience of description, the description will be based on an embodiment in which the display part DP is implemented as an organic light emitting display panel.

[0126] The pixel circuit layer PCL may include a pixel circuit PXC for driving the light emitting element LD. The pixel circuit layer PCL may include a first base layer BS1, a conductive layer for forming the pixel circuit PXC, and an insulating layer disposed between the conductive layers.

[0127] The pixel circuit PXC may include a driving transistor. The pixel circuit PXC may be electrically connected to the light emitting element LD, and may provide an electrical signal that causes the light emitting element LD to emit light.

[0128] The light emitting element layer EML may be disposed on the pixel circuit layer PCL. According to an embodiment, the light emitting element layer EML may include a light emitting element LD, a cover layer CPL, a pixel defining layer PDL, and an encapsulation layer TFE.

[0129] The light emitting element LD may be disposed on the pixel circuit layer PCL. According to an embodiment, the light emitting element LD may include a first electrode ELT1, a light emitting layer EL, and a second electrode ELT2. According to an embodiment, the light emitting layer EL may be disposed in an area defined by a pixel defining layer PDL. The pixel defining layer PDL may be disposed adjacent to the periphery of the light emitting layer EL. One side of the light emitting layer EL may be electrically connected to the first electrode ELT1, and the other side of the light emitting layer EL may be electrically connected to the second electrode ELT2.

[0130] The first electrode ELT1 may be an anode electrode for the light emitting layer EL, and the second electrode ELT2 may be a common electrode (or cathode electrode) for the light emitting layer EL. According to an embodiment, the first electrode ELT1 and the second electrode ELT2 may include a conductive material. For example, the first electrode ELT1 may include a conductive material having a reflective property, and the second electrode ELT2 may include a transparent conductive material. However, the present disclosure is not limited thereto.

[0131] The light emitting layer EL may have a multi-layer thin film structure including a light generating layer. The light emitting layer EL may include a hole injection layer for injecting holes, a hole transport layer having excellent hole transport properties and blocking the migration of electrons that are not recombined in the light generating layer to increase the chance of recombination of holes and electrons, a light generating layer that emits light by recombination of injected electrons and holes, a hole blocking layer for blocking the migration of holes that are not recombined in the light generating layer, an electron transport layer for smoothly transporting electrons to the light generating layer, and an electron injection layer for injecting electrons. The light emitting layer EL may emit light based on an electrical signal provided from the first electrode ELT1 and the second electrode ELT2.

[0132] The light emitting layer EL may form a sub-pixel SPX. The light emitting layer EL may form a sub-pixel region SPXA from which light of one color is emitted. In a plan view, the region of the light emitting layer EL and the sub-pixel region SPXA may correspond to each other. For example, each light emitting layer EL may correspond to each sub-pixel region SPXA.

[0133] The plane defined in this specification may extend in the first direction DR1 and the second direction DR2 and may be defined based on the plane on which the first base layer BS1 is disposed. According to an embodiment, the third direction DR3 may be a thickness direction of the first base layer BS1 and may be a light exiting direction of the display device DD.

[0134] The cover layer CPL may be disposed on the light emitting element LD (eg, the second electrode ELT2). The cover layer CPL may cover the second electrode ELT2. The cover layer CPL may include an inorganic material. However, the present disclosure is not limited thereto.

[0135] The pixel defining layer PDL may be disposed on the pixel circuit layer PCL to define a position at which the light emitting layer EL is arranged. The pixel defining layer PDL may include an organic material. According to an embodiment, the pixel defining layer PDL may include at least one selected from the group consisting of acrylic resin, epoxy resin, phenolic resin, polyamide resin, and polyimide resin. However, the present disclosure is not limited thereto.

[0136] The encapsulation layer TFE may be disposed on the cover layer CPL. The encapsulation layer TFE flattens the steps generated by the light emitting element LD and the pixel defining layer PDL. The encapsulation layer TFE may include a plurality of insulating layers covering the light emitting element LD. According to an embodiment, the encapsulation layer TFE may have a structure in which inorganic layers and organic layers are alternately stacked. The encapsulation layer TFE may be a thin film encapsulation layer.

[0137] Next, refer to Fig. 9 , a cross-sectional structure of a sensing part TSP according to an embodiment will be described.

[0138] Fig. 9is a schematic cross-sectional view showing a sensing component according to an embodiment.

[0139] Reference Fig. 9 , also refer to Figure 3 The sensing part TSP may be disposed on the display part DP (eg, the encapsulation layer TFE). The sensing part TSP may include a first insulating layer INS1, a first conductive pattern layer CP1, a second insulating layer INS2, a second conductive pattern layer CP2, and a third insulating layer INS3.

[0140] According to an embodiment, the first conductive pattern layer CP1 and the second conductive pattern layer CP2 may be patterned in a region to form a sensing electrode SP. For example, a portion of each of the first conductive pattern layer CP1 and the second conductive pattern layer CP2 may form a receiver electrode RX, and a portion of the second conductive pattern layer CP2 may form a transmitter electrode TX. However, the present disclosure is not limited thereto.

[0141] The first insulating layer INS1 may be disposed on the encapsulation layer TFE. The first insulating layer INS1 may form the second base layer BS2 and may provide a region on which the first conductive pattern layer CP1, the second insulating layer INS2, the second conductive pattern layer CP2, and the third insulating layer INS3 are disposed.

[0142] The first conductive pattern layer CP1 may be disposed on the first insulating layer INS1. The second conductive pattern layer CP2 may be disposed on the second insulating layer INS2. The first conductive pattern layer CP1 and the second conductive pattern layer CP2 may be spaced apart from each other, with the second insulating layer INS2 interposed therebetween.

[0143] The first conductive pattern layer CP1 and the second conductive pattern layer CP2 may include a single metal layer or a plurality of metal layers. The first conductive pattern layer CP1 and the second conductive pattern layer CP2 may include at least one of various metal materials including gold (Au), silver (Ag), aluminum (Al), molybdenum (Mo), chromium (Cr), titanium (Ti), nickel (Ni), neodymium (Nd), copper (Cu), platinum (Pt), etc., or alloys thereof. According to an embodiment, the first conductive pattern layer CP1 and the second conductive pattern layer CP2 may include silver nanowires (AgNW), indium tin oxide (ITO), indium zinc oxide (IZO), indium gallium zinc oxide (IGZO), aluminum-doped zinc oxide (AZO), indium tin zinc oxide (ITZO), zinc oxide (ZnO), tin oxide (SnO 2 ), at least one of various transparent materials of carbon nanotubes and graphene.

[0144] The second insulating layer INS2 may be disposed on the first conductive pattern layer CP1. The second insulating layer INS2 may be interposed between the first conductive pattern layer CP1 and the second conductive pattern layer CP2. The third insulating layer INS3 may be disposed on the second conductive pattern layer CP2.

[0145] Each of the first insulating layer INS1, the second insulating layer INS2, and the third insulating layer INS3 may include an inorganic material. The inorganic material may include a silicon nitride (SiN x ), silicon oxide (SiO x ), silicon oxynitride (SiO x N y ) and aluminum oxide (AlO x ). According to an embodiment, at least a portion of each of the first insulating layer INS1, the second insulating layer INS2, and the third insulating layer INS3 may include an organic material. The organic material may include at least one selected from the group consisting of an acrylic resin, an epoxy resin, a phenolic resin, a polyamide resin, and a polyimide resin. However, the present disclosure is not limited thereto.

[0146] Next, refer to Fig.10 , a cross-sectional structure of a display device DD according to an embodiment will be described.

[0147] Fig.10 is a schematic cross-sectional view showing a display device according to an embodiment.

[0148] Reference Fig.10 , the light-emitting layer EL may include a first light-emitting layer EL1 included in the first sub-pixel SPX1, a second light-emitting layer EL2 included in the second sub-pixel SPX2, and a third light-emitting layer EL3 included in the third sub-pixel SPX3. The first light-emitting layer EL1 may emit light of a first color (e.g., red) and form a first sub-pixel region SPXA1. The second light-emitting layer EL2 may emit light of a second color (e.g., green) and form a second sub-pixel region SPXA2. The third light-emitting layer EL3 may emit light of a third color (e.g., blue) and form a third sub-pixel region SPXA3. However, the present disclosure is not necessarily limited to this. According to an embodiment, the first light-emitting layer EL1, the second light-emitting layer EL2, and the third light-emitting layer EL3 may emit light of the same color, and the display device DD may provide a full-color sub-pixel structure that also includes a color filter layer and / or a quantum dot layer.

[0149] In the sensing part TSP, the first conductive pattern layer CP1 and the second conductive pattern layer CP2 may be disposed on different layers to form a sensing electrode SP (see Figure 3 ) structure.

[0150] The external part OUP may be disposed on the sensing part TSP. The external part OUP may include a light blocking layer LBL and a reflection controlling layer RCL.

[0151] In a plan view, the light blocking layer LBL may overlap the first conductive pattern layer CP1 and the second conductive pattern layer CP2. The light blocking layer LBL may include a light blocking material, but the present disclosure is not necessarily limited thereto.

[0152] The reflection control layer RCL may selectively absorb light within a wavelength range and control the reflectivity and color of the display device DD. According to an embodiment, the reflection control layer RCL may include a dye, a pigment, or a combination thereof. For example, the reflection control layer RCL may include at least one selected from the group consisting of an oxazine-based compound, a cyano-based compound, a porphyrazine-based compound, and a squaric acid-based compound, but the present disclosure is not limited thereto.

[0153] The cross-sectional structure of the display device DD according to the embodiment is not necessarily limited to the above-described embodiment.

[0154] In the following, reference is made to Figures 11 to 20 , electrodes and lines forming the sensing part TSP according to an embodiment will be described in more detail. Repeated descriptions are briefly explained or not repeated.

[0155] First, refer to Figures 11 to 17 , a sensing component TSP according to an embodiment (see Fig.10 ) of the display device DD (see Fig.10 ).

[0156] Fig.11 is a schematic plan view showing the structure of a counter electrode according to the embodiment.

[0157] Fig.12 and Fig.13 is a schematic plan view showing a sensing component according to an embodiment. Fig.12 and Fig.13 The first to third transmitter electrodes TX1 to TX3 and the first to fourth receiver electrodes RX1 to RX4 are schematically shown. Fig.12 and Fig.13 . , the first counter electrode PA1, the second counter electrode PA2 and the receiver electrode RX are shown which are subjected to different patterning.

[0158] Fig.14 is a schematic plan view showing a mesh structure of a sensing electrode according to an embodiment. Fig.14 A grid structure of transmitter electrodes TX and receiver electrodes RX is schematically shown.

[0159] Fig.15 and Fig.16 yes Fig.12 For ease of description, Fig.15 and Fig.16 Shows the same area, but Fig.15 The transmitter electrode TX (see Fig.12 ) and each region of a receiver electrode RX, and Fig.16 The transmitter electrode TX (see Fig.12 ) and the receiver electrode RX (see Fig.12 ) of each grid structure.

[0160] Fig.17 It is along Fig.16 Schematic cross-sectional view taken along line AA'. Fig.17 Schematically showing a receiving electrode RX formed in which Fig.12 ) and the transmitter electrode TX (see Fig.12 ) cross-sectional structure.

[0161] Reference Fig.12 According to an embodiment, the receiver electrode RX and the transmitter electrode TX may have an approximately quadrilateral shape. However, the present disclosure is not limited thereto, and the receiver electrode RX and the transmitter electrode TX may have various shapes. Hereinafter, for ease of description, the receiver electrode RX and the transmitter electrode TX will be described based on an embodiment in which the receiver electrode RX and the transmitter electrode TX have an approximately quadrilateral shape.

[0162] According to the embodiment, referring to Fig.11 , also refer to Fig.12 , the first pairing electrode PA1 and the second pairing electrode PA2 of the transmitter electrode TX may form structures complementary to each other. Each of the first pairing electrode PA1 and the second pairing electrode PA2 may face each other in the second direction DR2, and each of the first pairing electrode PA1 and the second pairing electrode PA2 may include a complementary sawtooth structure. The protruding portion of the first pairing electrode PA1 and the retracted portion of the second pairing electrode PA2 may face each other, and the protruding portion of the second pairing electrode PA2 and the retracted portion of the first pairing electrode PA1 may face each other.

[0163] For example, the transmitter electrodes TX may each include a body portion BOD and a connection portion CO. The body portion BOD and the connection portion CO may be formed integrally with each other. The body portion BOD and the connection portion CO may be connected to each other (eg, electrically connected). The body portion BOD may have a structure extending in the second direction DR2.

[0164] The body portion BOD may include a first body portion BOD1 and a second body portion BOD2. The connection portion CO may include a first connection portion CO1 and a second connection portion CO2.

[0165] In the present specification, the first body portion BOD1 may be the body portion BOD of the first counter electrode PA1. The second body portion BOD2 may be the body portion BOD of the second counter electrode PA2. In the present specification, the first connection portion CO1 may be the connection portion CO of the first counter electrode PA1. The second connection portion CO2 may be the connection portion CO of the second counter electrode PA2.

[0166] For example, the 1-1 transmitter electrode TX1-1 may include a first body portion BOD1 and a first connection portion CO1. The 1-2 transmitter electrode TX1-2 may include a second body portion BOD2 and a second connection portion CO2.

[0167] The body parts BOD adjacent to each other in the first direction DR1 may be connected by the connection parts CO. The body parts BOD and the connection parts CO may be arranged alternately with each other in the first direction DR1. For example, the first body parts BOD1 and the first connection parts CO1 may be arranged alternately in the first direction DR1. The second body parts BOD2 and the second connection parts CO2 may be arranged alternately in the first direction DR1.

[0168] The first body portion BOD1 and the second body portion BOD2 may be alternately arranged in the first direction DR1. Therefore, in some regions, at least a portion of each of the first counter electrode PA1 and the second counter electrode PA2 may overlap in the first direction DR1.

[0169] According to an embodiment, the first body portion BOD1 and the second connection portion CO2 may face each other. The second body portion BOD2 and the first connection portion CO1 may face each other. For example, the first body portion BOD1 and the second connection portion CO2 may be arranged in the second direction DR2, and the second body portion BOD2 and the first connection portion CO1 may be arranged in the second direction DR2.

[0170] Therefore, the first paired electrode PA1 including the first body portion BOD1 and the first connection portion CO1 may be electrically connected to a portion of the transmitter line TW, and the second paired electrode PA2 including the second body portion BOD2 and the second connection portion CO2 may be electrically connected to another portion of the transmitter line TW. For example, the 1-1 transmitter electrode TX1-1 may be electrically connected to the 1-1 transmitter line TW1-1, and the 1-2 transmitter electrode TX1-2 may be electrically connected to the 1-2 transmitter line TW1-2.

[0171] According to the embodiment, referring to Fig.12 , also refer to Fig.10 and Fig.11 , the transmitter electrode TX including the counter electrodes PA1 and PA2 including the body portion BOD and the connection portion CO may be arranged in the second direction DR2, and the receiver electrode RX may be disposed in a region of the sensing area SA where the transmitter electrode TX is not disposed.

[0172] For example, the body portion BOD and the connection portion CO may be patterned and disposed in a portion of the sensing area SA, and the receiver electrode RX may be disposed in another portion of the sensing area SA so as not to overlap with the body portion BOD and the connection portion CO in a plan view.

[0173] According to an embodiment, the third transmitter electrode TX3 may be disposed at one side of the second transmitter electrode TX2. The third transmitter electrode TX3 may include: 3-1 transmitter electrode TX3-1 including a first body portion BOD1 and a first connection portion CO1 to form a first paired electrode PA1; and 3-2 transmitter electrode TX3-2 including a second body portion BOD2 and a second connection portion CO2 to form a second paired electrode PA2.

[0174] According to an embodiment, the second transmitter electrode TX2 and the third transmitter electrode TX3, which are disposed adjacent to the first transmitter electrode TX1 and include the first paired electrode PA1 and the second paired electrode PA2, may be electrically connected to the second transmitter wire TW2 and the third transmitter wire TW3, respectively. The second transmitter wire TW2 may be disposed in the non-sensing area NSA and may include a 2-1 transmitter wire TW2-1 and a 2-2 transmitter wire TW2-2. The third transmitter wire TW3 may be disposed in the non-sensing area NSA and may include a 3-1 transmitter wire TW3-1 and a 3-2 transmitter wire TW3-2.

[0175] For example, the 2-1 transmitter wire TW2-1 may be electrically connected to the 2-1 transmitter electrode TX2-1, and the 2-2 transmitter wire TW2-2 may be electrically connected to the 2-2 transmitter electrode TX2-2. The 3-1 transmitter wire TW3-1 may be electrically connected to the 3-1 transmitter electrode TX3-1, and the 3-2 transmitter wire TW3-2 may be electrically connected to the 3-2 transmitter electrode TX3-2.

[0176] The receiver electrodes RX may include a plurality of receiver electrodes RX that are disposed in the sensing area SA and each form a receiver row extending substantially in the second direction DR2 .

[0177] For example, the receiver electrodes RX may include a first receiver electrode RX1, a second receiver electrode RX2, a third receiver electrode RX3, and a fourth receiver electrode RX4 sequentially arranged in the first direction DR1. The first receiver electrode RX1 may form a first receiver row R1. The second receiver electrode RX2 may form a second receiver row R2. The third receiver electrode RX3 may form a third receiver row R3. The fourth receiver electrode RX4 may form a fourth receiver row R4.

[0178] According to an embodiment, each of the receiver electrodes RX may overlap the first, second, and third transmitter electrodes TX1, TX2, and TX3 along the first direction DR1.

[0179] According to an embodiment, the receiver electrode RX may include receiver electrode portions REP spaced apart from each other along the first direction DR1 in a corresponding receiver row. The body portion BOD of the transmitter electrode TX may be disposed between adjacent receiver electrode portions REP spaced apart from each other along the first direction DR1. For example, each of the first to fourth receiver electrodes RX1 to RX4 may include receiver electrode portions REP spaced apart from each other along the first direction DR1 in a corresponding receiver row among the first to fourth receiver rows R1 to R4, and the first body portion BOD1 or the second body portion BOD2 may be disposed between the receiver electrode portions REP.

[0180] According to an embodiment, the receiver electrode RX may include a plurality of receiver electrodes spaced apart from each other in a corresponding receiver row and a bridge (bridge) BRD electrically connecting the plurality of receiver electrodes.

[0181] For example, the first receiver electrode RX1 may include a 1-1 receiver electrode RX1-1, a 1-2 receiver electrode RX1-2, and a 1-3 receiver electrode RX1-3 that are spaced apart from each other along the second direction DR2 and disposed in the first receiver row R1. The second receiver electrode RX2 may include a 2-1 receiver electrode RX2-1, a 2-2 receiver electrode RX2-2, and a 2-3 receiver electrode RX2-3 that are spaced apart from each other along the second direction DR2 and disposed in the second receiver row R2. The third receiver electrode RX3 may include a 3-1 receiver electrode RX3-1, a 3-2 receiver electrode RX3-2, and a 3-3 receiver electrode RX3-3 that are spaced apart from each other along the second direction DR2 and disposed in the third receiver row R3. The fourth receiver electrode RX4 may include a 4-1 receiver electrode RX4-1, a 4-2 receiver electrode RX4-2, and a 4-3 receiver electrode RX4-3 that are spaced apart from each other along the second direction DR2 and disposed in the fourth receiver row R4.

[0182] According to the embodiment, also refer to Fig.13 , in each of the transmitter columns, the receiver electrode RX may include a plurality of receiver electrode portions REP spaced apart from each other along the second direction DR2, and the receiver electrode portions REP may be electrically connected to each other via the bridge BRD. For example, in a first transmitter column (e.g., a sensing line formed by the first transmitter electrode TX1), each of the 1-1 receiver electrode RX1-1, the 2-1 receiver electrode RX2-1, the 3-1 receiver electrode RX3-1, and the 4-1 receiver electrode RX4-1 may include receiver electrode portions REP spaced apart from each other in the second direction DR2. In a second transmitter column (e.g., a sensing line formed by the second transmitter electrode TX2), each of the 1-2 receiver electrode RX1-2, the 2-2 receiver electrode RX2-2, the 3-2 receiver electrode RX3-2, and the 4-2 receiver electrode RX4-2 may include receiver electrode portions REP spaced apart from each other in the second direction DR2. In a third transmitter column (eg, a sensing line formed by a third transmitter electrode TX3), each of the 1-3 receiver electrodes RX1-3, the 2-3 receiver electrodes RX2-3, the 3-3 receiver electrodes RX3-3, and the 4-3 receiver electrodes RX4-3 may include receiver electrode portions REP spaced apart from each other in the second direction DR2.

[0183] According to an embodiment, the receiver electrode portion REP may overlap the body portion BOD in the first direction DR1. The receiver electrode portion REP may not overlap the connection portion CO in the first direction DR1. Therefore, the receiver electrode portion REP may be arranged to alternate with the first body portion BOD1 and / or the second body portion BOD2 in each of the transmitter columns.

[0184] For example, in a first transmitter column formed by the first transmitter electrode TX1, the receiver electrode portion REP, the first body portion BOD1, and the second body portion BOD2 of each of the 1-1 receiver electrode RX1-1, the 2-1 receiver electrode RX2-1, the 3-1 receiver electrode RX3-1, and the 4-1 receiver electrode RX4-1 may overlap in the first direction DR1. In a second transmitter column formed by the second transmitter electrode TX2, the receiver electrode portion REP, the first body portion BOD1, and the second body portion BOD2 of each of the 1-2 receiver electrode RX1-2, the 2-2 receiver electrode RX2-2, the 3-2 receiver electrode RX3-2, and the 4-2 receiver electrode RX4-2 may overlap in the first direction DR1. In the third transmitter column formed by the third transmitter electrode TX3, the receiver electrode portion REP, the first body portion BOD1 and the second body portion BOD2 of each of the 1-3 receiver electrodes RX1-3, 2-3 receiver electrodes RX2-3, 3-3 receiver electrodes RX3-3 and 4-3 receiver electrodes RX4-3 may overlap in the first direction DR1.

[0185] The bridge BRD may electrically connect the receiver electrode portions REP spaced apart in the second direction DR2. The bridge BRD may be disposed on a different layer from the receiver electrode portions REP and the transmitter electrodes TX.

[0186] For example, the bridge BRD may be formed of the first conductive pattern layer CP1, and the receiver electrode portion REP and the transmitter electrode TX may be formed of the second conductive pattern layer CP2.

[0187] Meanwhile, according to the embodiment, referring to Fig.14 , also refer to Fig.11 and Fig.12 , the transmitter electrode TX and the receiver electrode RX may have a mesh structure. For example, the transmitter electrode TX and the receiver electrode RX may include a mesh structure formed by the second conductive pattern layer CP2.

[0188] According to an embodiment, the bridge BRD may electrically connect the receiver electrode portions REP so that the receiver electrode portions REP may form a receiver row. According to an embodiment, the bridge BRD may overlap the connection portion CO in a plan view.

[0189] According to an embodiment, the receiver electrode portion REP may be electrically spaced apart from the transmitter electrode TX. In a plan view, the bridge BRD may overlap at least a portion of the transmitter electrode TX and electrically connect the receiver electrode portions REP spaced apart from each other.

[0190] Reference Figures 15 to 17 , the sensing electrode SP formed adjacent to the bridge BRD will be described (see Figure 3 ) conductive structure.

[0191] Reference Figures 15 to 17 , also refer to Fig.10 and Fig.12 , the transmitter electrode TX and the receiver electrode RX may be spaced apart from each other, and the separation line SEL is interposed between the transmitter electrode TX and the receiver electrode RX. For example, the transmitter electrode TX and the receiver electrode RX may be formed by a second conductive pattern layer CP2 disposed on the same layer, may be spaced apart from each other, and the separation line SEL is interposed between the transmitter electrode TX and the receiver electrode RX, and may form a path through which different electrical signals are applied.

[0192] According to an embodiment, the first pairing electrode PA1 and the second pairing electrode PA2 may be spaced apart from each other, and the pair separation line PSL is between the first pairing electrode PA1 and the second pairing electrode PA2. For example, the first pairing electrode PA1 and the second pairing electrode PA2 may be formed by a second conductive pattern layer CP2 disposed on the same layer, may be spaced apart from each other, and the pair separation line PSL is between the first pairing electrode PA1 and the second pairing electrode PA2, and a path through which different driving signals are applied may be formed.

[0193] According to an embodiment, the bridge BRD may be formed by the first conductive pattern layer CP1 and may electrically connect the receiver electrode portions REP spaced apart from each other.

[0194] For example, the bridge BRD may extend substantially in the second direction DR2 and may be electrically connected to adjacent receiver electrode portions REP in the second direction DR2. For example, a portion of the bridge BRD may be electrically connected to the receiver electrode portion REP of the 1-1 receiver electrode RX1-1 via the contact portion CNT. Another portion of the bridge BRD may be electrically connected to the receiver electrode portion REP of the 1-2 receiver electrode RX1-2 via the contact portion CNT.

[0195] According to an embodiment, the bridge BRD may not extend in the first direction DR1. According to an embodiment, the bridge BRD may not include a bent portion. For example, the bridge BRD may extend in a second direction DR2 different from the first direction DR1, instead of extending in the first direction DR1.

[0196] For example, according to the above-described structure of the receiver electrodes RX and the transmitter electrodes TX, even if the bridge BRD does not extend in the first direction DR1 in which the receiver electrodes RX are spaced apart from each other, the receiver rows may be appropriately defined.

[0197] In addition, according to an embodiment, the bridges BRD may be uniformly disposed throughout the sensing area SA. For example, the bridges BRD may be sequentially arranged in the first direction DR1 and sequentially arranged in the second direction DR2.

[0198] According to experiments, when a portion of the bridge BRD is bent or the bridge BRD is locally arranged in some areas, there may be a risk of impairing visibility due to the arrangement structure of the bridge BRD.

[0199] However, according to the embodiment, the bridge BRD may not be bent, and the bridge BRD may be regularly arranged in the sensing area SA, so that the risk of visibility being impaired may be greatly reduced due to the sensing part TSP.

[0200] Next, refer to Figures 18 to 20 , a description will be given of a sensing component TSP (see Fig.10 ) of the display device DD (see Fig.10 ). Repeated descriptions are briefly explained or not repeated.

[0201] Figures 18 to 20 is a diagram illustrating a sensing component including a dummy contact portion according to an embodiment. Fig.18 FIG. 1 is a diagram showing a sensing part TSP according to an embodiment (see FIG. Fig.10 ) and schematically shows Fig.15 and Fig.16 The region corresponding to the structure shown in . Fig.19 is a plan view schematically showing a contact portion CNT and a dummy contact portion DCNT according to the embodiment.

[0202] Fig. 20 It is along Fig.18 A schematic cross-sectional view taken along line BB' of FIG. Fig.17 The region corresponding to the structure shown in .

[0203] Reference Figures 18 to 20 , also refer to Fig.10 , the sensing part TSP according to the embodiment may further include a dummy contact portion DCNT.

[0204] According to an embodiment, the bridge BRD may be electrically connected to the adjacent receiver electrode portion REP via a contact portion CNT, and the sensing part TSP according to an embodiment may further include a dummy contact portion DCNT overlapping the bridge BRD in a plan view.

[0205] The dummy contact portion DCNT may include a plurality of dummy contact portions DCNT. The dummy contact portion DCNT may be disposed between the contact portions CNT in the second direction DR2.

[0206] According to an embodiment, the dummy contact portion DCNT may have a structure corresponding to the contact portion CNT, and may have a structure not forming an actual contact structure electrically connecting the second conductive pattern layer CP2 and the first conductive pattern layer CP1.

[0207] For example, the dummy contact portion DCNT may have a structure recessed in a portion of the second insulating layer INS2, and a hole forming the dummy contact portion DCNT may not expose the bridge BRD.

[0208] According to the embodiment, since the dummy contact portion DCNT is formed, the risk of damaging visibility due to the contact portion CNT can be reduced. For example, when the contact portion CNT is selectively formed only in the position where the electrical connection between the first conductive pattern layer CP1 and the second conductive pattern layer CP2 is required, there may be a risk of reducing visibility because the contact portion CNT is locally formed in some areas. However, since the dummy contact portion DCNT is formed, the contact portion CNT and the dummy contact portion DCNT can be defined to be arranged substantially uniformly, and thus the risk of damaging visibility due to the contact portion CNT can be reduced.

[0209] As described above, while the present disclosure has been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents.

[0210] Therefore, the technical scope of the present disclosure can be determined by the technical scope of the appended claims.

Claims

1. A display device, wherein: The display device comprises: A display component configured to emit light; and a sensing component disposed on the display component and comprising a plurality of transmitter electrodes extending in a first direction and a plurality of receiver electrodes extending in a second direction different from the first direction, wherein each of the plurality of transmitter electrodes comprises a first paired electrode and a second paired electrode which are arranged in a transmitter column and are spaced apart from each other in the second direction, The first counter electrode includes a first connecting portion and a first main body portion which is integrally formed with the first connecting portion and extends in the second direction. The second paired electrode includes a second connecting portion and a second main body portion which is integrally formed with the second connecting portion and extends in the second direction. wherein the first main body portion and the second main body portion overlap each other in the first direction, and the first connecting portion and the second connecting portion do not overlap each other in the first direction, and The first body portion and the second connection portion face each other in the second direction, and the second body portion and the first connection portion face each other in the second direction.

2. The display device according to claim 1, wherein: The display device further includes: a sensor driver configured to drive the sensing component. Wherein, the sensor driver drives the sensing component by a frequency division multiplexing driving method.

3. The display device according to claim 2, wherein: The sensor driver includes a multi-frequency generator, a sensor receiver electrically connected to the plurality of receiver electrodes, and a sensor transmitter electrically connected to the plurality of transmitter electrodes, wherein the multi-frequency generator generates a first frequency signal and a second frequency signal having different frequencies, and The sensor transmitter generates a first driving signal based on the first frequency signal, and generates a second driving signal based on the second frequency signal.

4. The display device according to claim 3, wherein: The first driving signal and the second driving signal are differential signals.

5. The display device according to claim 4, wherein: The first paired electrode and the second paired electrode form a transmitter column.

6. The display device according to claim 5, wherein: The display device includes a sensing area in which the plurality of transmitter electrodes and the plurality of receiver electrodes are disposed and a non-sensing area surrounding at least a portion of the sensing area, Wherein, the display device further comprises a plurality of transmitter lines disposed in the non-sensing area and electrically connected to the plurality of transmitter electrodes respectively; and Wherein, the plurality of transmitter lines are electrically connected to the first paired electrode and the second paired electrode respectively.

7. The display device according to claim 6, wherein: The first counter-electrode and the second counter-electrode are electrically isolated from each other.

8. The display device according to claim 1, wherein: Each of the plurality of receiver electrodes includes a plurality of receiver electrode portions spaced apart in the second direction and a bridge electrically connecting the plurality of receiver electrode portions.

9. The display device according to claim 8, wherein: The plurality of receiver electrode portions overlap the first body portion and the second body portion in the first direction.

10. The display device according to claim 8, wherein: The bridge extends in the second direction.

11. The display device according to claim 10, wherein: The bridge does not extend in the first direction.

12. The display device according to claim 10, wherein: The plurality of transmitter electrodes and the plurality of receiver electrodes are composed of a conductive pattern layer, The conductive pattern layer includes a first conductive pattern layer and a second conductive pattern layer disposed on the first conductive pattern layer. wherein the bridge is formed by the first conductive pattern layer, wherein the plurality of receiver electrodes are partially formed by the second conductive pattern layer, and Wherein, the plurality of transmitter electrodes are formed by the second conductive pattern layer.

13. The display device according to claim 12, wherein: The sensing component further includes a first insulating layer disposed between the first conductive pattern layer and the second conductive pattern layer, and Wherein, the bridge is electrically connected to the plurality of receiver electrodes via a contact portion formed through the first insulating layer.

14. The display device according to claim 13, wherein: The sensing component further includes a dummy contact portion in which the first insulating layer is partially removed so as not to expose the first conductive pattern, wherein the contact portion comprises a plurality of contact portions, and The dummy contact portion overlaps with the bridge in a plan view and is disposed between the plurality of contact portions.

15. The display device according to claim 8, wherein: The plurality of receiver electrode portions include a plurality of receiver electrode portions spaced apart in the second direction and arranged in a single receiver row.

16. The display device according to claim 8, wherein: The plurality of receiver electrode portions include a plurality of receiver electrode portions spaced apart in the first direction and arranged in a single receiver column.

17. The display device according to claim 8, wherein: The first counter electrode, the second counter electrode, and the receiver electrode portion are formed of a same conductive layer, formed on a same plane, and are electrically isolated from each other.

18. The display device according to claim 1, wherein: Each of the first counter electrode and the second counter electrode includes a sawtooth structure formed to be complementary to each other.

19. A display device, wherein: The display device comprises: A light emitting element is disposed on the substrate layer; and a sensing component disposed on the base layer and comprising a transmitter electrode and a receiver electrode extending in different directions, Wherein, the sensing component is driven by a frequency division multiplexing driving method, The transmitter electrodes include a first paired electrode and a second paired electrode which are spaced apart from each other in a direction and arranged in a corresponding transmitter column, and Each of the first pairing electrode and the second pairing electrode includes a sawtooth structure formed to be complementary to each other.

20. A display device, wherein: The display device comprises: A light emitting element is disposed on the substrate layer; and a sensing component disposed on the base layer and comprising a transmitter electrode extending in a first direction and a receiver electrode extending in a second direction different from the first direction, Wherein, the sensing component is driven by a frequency division multiplexing driving method, wherein the receiver electrode includes a receiver electrode portion arranged along the second direction and a plurality of bridges electrically connecting the receiver electrode portions arranged to be adjacent to each other in the second direction, and wherein each of the plurality of bridges extends in the second direction but not in the first direction.

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