Display device

Abstract

A display device includes: a cover window; a display panel disposed below the cover window; at least one plate disposed below the display panel; a vibration bracket attached to a lower portion of the at least one plate; and a vibrating diaphragm attached to a lower portion of the vibrating bracket, wherein the vibrating bracket includes an upwardly protruding leg. The support leg structure of the vibration support can reinforce vibration in the depth direction, and the bridge structure can reinforce vibration in the plane direction. A user may experience in-depth haptic responses and sounds. The display device according to the present invention can be applied to a vehicle display.

Description

[0001] Cross - reference to related applications

[0002] This application claims priority to Korean Patent Application No. 10 - 2023 - 0194377, filed on December 28, 2023, the entire contents of which are incorporated herein by reference for all purposes. Technical field

[0003] The present invention relates to a display device, and more particularly, to a display device including a bracket that can enhance vibrations excited based on touch in the depth direction and can be installed in a vehicle. Background art

[0004] A display device can be installed on electronic products or household appliances such as a television, a monitor, a laptop computer, a smartphone, a tablet computer, an electronic board, a wearable device, a watch, a navigation system, or a vehicle control display device, and serves as a screen for displaying an image.

[0005] A display device may include a sound device. The sound device is a device for generating sound by vibrating a plate. The sound device may be a vibration device. The vibration device is typically disposed on the back surface of the display panel. Since the sound output from the sound device propagates backward or downward from the display device, problems such as deterioration of sound quality and reduction of user immersion occur due to interference with nearby structures.

[0006] In addition, a display device may adopt such a tactile characteristic that the display device vibrates in response to a user manipulation such as a touch input to indicate whether the display device has been manipulated. To provide the tactile characteristic of the display device, vibration energy should be generated in response to an electrical signal. To generate vibration energy, a vibration device such as a piezoelectric actuator using a piezoelectric material may be employed. The piezoelectric actuator may be configured in the form of a film. It is necessary to effectively transmit the vibration generated by such a vibration device to the user. Summary of the invention

[0007] The present invention aims to provide a display device that effectively transmits the vibration of a vibration film included in the display device to the user. Specifically, the present invention aims to provide a display device that effectively transmits the vibration generated by the vibration film in the depth direction.

[0008] According to the present invention, there is disclosed a display device including: a cover window; a display panel disposed below the cover window; at least one plate disposed below the display panel; a vibration bracket attached to a lower portion of the at least one plate; and a vibration film attached to a lower portion of the vibration bracket, wherein the vibration bracket includes legs protruding upward.

[0009] According to the present invention, the leg structure of the vibration bracket can enhance vibration in the depth direction, and the bridge structure can enhance vibration in the planar direction. The user can experience in-depth tactile responses and sounds. Description of the Drawings

[0010] Figure 1 is a view showing a display device according to the present invention.

[0011] Figure 2 is a conceptual diagram for describing the display device 100 according to the present invention.

[0012] Figure 3 is a view for exemplarily describing the structure of a touch panel built in the display device according to the present invention and the structure of sub-pixels.

[0013] Figure 4 is a view schematically showing a touch electrode structure for sensing mutual capacitance-based touch in the display device according to the present invention.

[0014] Figure 5 is a view exemplarily showing a cross-section of a part of the display device according to the present invention.

[0015] Figure 6 is a perspective view showing the display device according to the present invention.

[0016] Figure 7 is at Figure 6 an enlarged view of part A in the display device shown.

[0017] Figure 8 is a cross-sectional view taken along line B-B' in the display device shown. Figure 7 Figure 7

[0018] Figure 9 is a perspective view showing the display device according to the present invention.

[0019] Figure 10 is a perspective view showing the display device according to the present invention.

[0020] Figure 11 is a perspective view showing the display device according to the present invention.

[0021] Figure 12 is a perspective view showing the display device according to the present invention.

[0022] Figure 13 is a perspective view showing the display device according to the present invention.

[0023] Figure 14 is a view showing a vehicle equipped with the display device according to the present invention. Detailed Description of the Invention

[0024] Advantages, features, and implementation methods of the present invention will become clear by referring to the embodiments described in detail below in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms. The embodiments are provided only to make the disclosure of the present invention complete and to fully convey the scope of the present invention to those of ordinary skill in the art to which the present invention pertains. The present invention is defined only by the scope of the appended claims.

[0025] Since the shapes, sizes, ratios, angles, quantities, etc. disclosed in the accompanying drawings for describing the embodiments of the present invention are exemplary, the present invention is not limited to the illustrated items. Throughout the specification, the same reference numerals refer to the same components. In addition, when determining that a detailed description of related known technologies may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. When using terms such as "comprising", "having", "including", etc. described in this specification, other parts may be added unless "only" is used. When a component is represented in the singular, it includes the case where the component is provided as a plurality of components unless otherwise specifically specified.

[0026] When interpreting an element, even if there is no separate explicit description, the element should be interpreted as including a margin of error.

[0027] When describing positional relationships, for example, when using terms such as "on", "above", "below", "after", etc. to describe the positional relationship between two parts, unless the terms "immediately" or "directly" are used, one or more other parts may be located between these two parts.

[0028] When an element or layer is described as being "on" another element or layer, it includes the case where the element or layer is directly disposed on the other element or layer, and the case where other layers or elements are interposed therebetween.

[0029] Although terms such as "first", "second" are used to describe various components, these components are not limited by these terms. These terms are only used to distinguish one component from other components. Therefore, within the technical spirit of the present invention, the first component mentioned below may be the second component.

[0030] Throughout the specification, similar reference numerals refer to similar components.

[0031] The dimensions and thicknesses of each component shown in the drawings are shown for the purpose of facilitating description, and the present invention is not necessarily limited to the dimensions and thicknesses of the illustrated components.

[0032] The features of the various embodiments of the present invention can be combined or combined with each other partially or completely, and as can be fully understood by those of ordinary skill in the art, various technical interconnections and operations are possible. The embodiments can be implemented independently of each other or in combination together.

[0033] Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

[0034] In the present invention, the "display device" may, in a narrow sense, include display devices such as liquid crystal modules (LCMs), organic light emitting diode (OLED) modules, and quantum dot (QD) modules, which include a display panel and a driver for driving the display panel. In addition, the display device may also include: an equipment display device that is a finished product or final product including LCMs, OLED modules, QD modules, etc., which includes a laptop computer, a television, a computer monitor, an automotive display, or other vehicle forms; and a set electroic device or a set device, including mobile electronic devices such as a smart phone or an electronic board.

[0035] Therefore, the display device in the present invention may include the display device itself in a narrow sense, such as an LCM, an OLED module, or a QD module; and a set device that is an application product or a final consumer device including an LCM, an OLED module, or a QD module.

[0036] In addition, in some cases, the LCM, OLED module, and QD module composed of a display panel, a driver, etc. are represented as the "display device" in a narrow sense, while the electronic device that is the final product including the LCM, OLED module, and QD module can be separately represented as the "set device". For example, the display device in a narrow sense can be a concept of a display panel including LCD, OLED, or QD and a source printed circuit board (PCB) as a controller for driving the display panel, and further includes a set PCB as a set controller that is electrically connected to the source PCB to control the entire set device.

[0037] The display panel used in the embodiments of the present invention can use any type of display panel, such as an LCD panel, an OLED display panel, a QD display panel, and an electroluminescent display panel, and is not limited to a specific display panel that can use the flexible substrate of the OLED display panel of the embodiments of the present invention and the backplane support structure located below it to bend the bezel. In addition, the display panel used in the display device according to the embodiments of the present invention is not limited to the shape or size of the display panel.

[0038] For example, when the display panel is an OLED display panel, the display panel may include a plurality of gate lines and data lines, and pixels formed in the intersection regions of the gate lines and the data lines. In addition, the display panel may include: an array including thin film transistors as elements for selectively applying a voltage to each pixel; an OLED layer disposed on the array; a packaging substrate or a packaging layer disposed on the array to cover the OLED layer, etc. The packaging layer can protect the thin film transistors, the OLED layer, etc. from the influence of external impacts and prevent moisture or oxygen from penetrating into the OLED layer. In addition, the layer formed on the array may include an inorganic light emitting layer such as a nano-sized material layer or quantum dots.

[0039] The display panel in the present invention is, for example, an exemplary OLED display panel that can be integrated in a display device.

[0040] Figure 1 It is a view showing a display device according to the present invention.

[0041] Referring to Figure 1 , the display device 100 includes a cover window CW, a display panel 110, a first plate PLT1, a second plate PLT2, a vibration bracket 200, a vibration film 300, etc. The display device 100 includes a source film SF electrically connected to the display panel 110 and a source printed circuit board SPCB electrically connected to the source film SF. The display device 100 includes a control printed circuit board CPCB electrically connected to the vibration film 300 and the source printed circuit board SPCB.

[0042] When describing embodiments of the present invention, the downward direction represents the -z axis direction from the cover window CW to the control printed circuit board CPCB. In addition, the upward direction is the direction opposite to the downward direction and represents the z axis direction from the control printed circuit board CPCB to the cover window CW.

[0043] A user's touch operation is performed on the cover window CW. A vibration corresponding to the touch occurs from the vibration film 300. The generated vibration propagates from the vibration film 300 toward the cover window CW. Therefore, from the perspective of the propagating vibration, the z axis direction or the upward direction can be referred to as the depth direction.

[0044] The cover window CW is disposed above the display panel 110. The cover window CW can be made of a glass or plastic material. When there is a user's touch input, the cover window CW can come into contact with the user's finger or can come into contact with an electronic device such as a pen.

[0045] The display panel 110 is disposed below the cover window CW. The display panel 110 and the cover window CW can be joined using a joining material such as OCA, OCR, or PSA. The display panel 110 can include components such as a polarizer, a panel layer, and a touch electrode. In particular, when the display panel 110 is applied to a vehicle, the display panel 110 can include components such as a viewing angle control film. The viewing angle control film is a film for controlling the angle of light emitted from the display device 100. For example, recently, a display device 100 formed by integrating a driver cluster, a central dashboard display at the center, and a passenger multimedia display has been adopted. The viewing angle control film can prevent an image displayed on the passenger multimedia display from being displayed in the driver's field of view.

[0046] The first plate PLT1 is disposed below the display panel 110. The first plate PLT1 can be referred to as a back plate. The first plate PLT1 is a rigid structure and can be used to strengthen the rigidity of the display panel 110. The first plate PLT1 can be formed of a plastic film.

[0047] The second plate PLT2 is disposed below the first plate PLT1. The second plate PLT2 can be made of a metal material. The second plate PLT2 can be used to strengthen the rigidity of the display panel 110. The second plate PLT2 can be used to dissipate heat generated from the display panel 110, the control board CPCB, and the source plate SPCB. The second plate PLT2 can be made of a metal material such as aluminum or magnesium or a plastic material having excellent thermal conductivity.

[0048] The vibration bracket 200 is disposed below the second plate PLT2 or attached to the lower portion of the second plate PLT2. The vibration bracket 200 can be attached to the second plate PLT2 using a predetermined joining material. The joining material (not shown) can include materials such as a joining tape, OCA, PSA, and OCR. The vibration bracket 200 and the second plate PLT2 can be directly attached through the joining material. The vibration bracket 200 can be made of a plastic or metal material. The vibration bracket 200 is used to transfer vibrations generated from the vibration film 300 to the second plate PLT2. Refer to Figure 1 the coordinate system of the display device 100 shown. The x-axis direction can be defined as the width direction, the y-axis direction can be defined as the height direction, and the z-axis direction can be defined as the depth direction. The user views the display device 100 in the z-axis direction, and the user inputs a touch from the z-axis direction to the -z-axis direction with respect to the cover window CW. The vibration bracket 200 includes a bridge for transferring vibrations in the x-axis and y-axis directions and a leg for transferring vibrations in the z-axis direction. The bridge and leg of the vibration bracket 200 will be described later.

[0049] According to the present invention, when the vibration generated from the diaphragm 300 is transmitted to the second plate PLT2, the vibration intensity can be enhanced by the vibration bracket 200. The enhanced vibration can be in the z-axis direction which is the depth direction. The enhanced vibration can be in the x-axis and y-axis directions which are the planar directions. When the vibration is applied to the haptic characteristic, the user can experience an enhanced touch response in the depth direction. When the vibration is applied to sound, the user can experience enhanced sound.

[0050] The diaphragm 300 is disposed below the vibration bracket 200. The diaphragm 300 can be configured in the form of a thin film. The diaphragm 300 can be, for example, in the form including an anode and a cathode to which an electrical signal is applied and a piezoelectric ceramic disposed between the anode and the cathode and generating vibration energy. The diaphragm 300 can be represented by terms such as a sound generation module, a sound generation device, a membrane actuator, a membrane type composite actuator, or a membrane speaker, for example. The vibration generated by the diaphragm 300 can use the second plate PLT2 as a vibrating plate. The diaphragm 300 can be attached to the vibration bracket 200 through a bonding material. To this end, the vibration bracket 200 can include a horizontal portion described below. In order to apply an electrical signal to the electrodes of the diaphragm 300, the diaphragm 300 can be connected to the control board CPCB using a predetermined connector described below.

[0051] The source plate SPCB can be electrically connected to the display panel 110 through the source film SF. The source film SF is configured in the form of a chip on film and can be configured in the form of a flexible PCB (in which an integrated circuit (IC) called a source driver or a data driver is built in).

[0052] The control board CPCB can be disposed below the diaphragm 300. The control board CPCB has a plurality of ICs mounted thereon, such as a timing controller, a power management circuit, and a touch driving circuit, and can be a rigid PCB. The control board CPCB can provide a signal for driving the diaphragm 300 to the diaphragm 300; to this end, a connector can electrically connect the control board CPCB and the diaphragm 300. The connector will be described in detail below. The control board CPCB can be electrically connected to the source plate SPCB via a connection member. The connection member can include, for example, a flexible printed circuit, a flexible flat cable, etc. In some cases, the source plate SPCB and the control board CPCB can be implemented by integrating them into one circuit board.

[0053] According to Figure 1 the display device 100 can be applied to a TV, a monitor, a PC, or a tablet. In addition, the display device 100 can be applied to a vehicle. For example, the display device 100 can be applied to a cluster display, a central dashboard display, a passenger seat display, a rear seat display, etc. of a vehicle.

[0054] Figure 2 It is a conceptual diagram for describing the display device 100 according to the present invention.

[0055] Referring to Figure 2 , the display device 100 according to the present invention includes a display panel 110, a gate driver 120, a data driver 130, a timing controller 140, a touch driver 150, and a power driver 160.

[0056] The display panel 110 includes a plurality of gate lines GL and a plurality of data lines DL. A plurality of sub-pixels SP are disposed at positions where the gate lines GL and the data lines DL intersect. In addition, a plurality of touch electrodes may be provided or built in the display panel 110. In addition, a plurality of touch lines TL for electrically connecting the touch electrodes to the touch driver 150 are disposed on the display panel 110.

[0057] The gate driver 120 outputs a signal for controlling a transistor of the sub-pixel SP. The gate driver 120 receives a gate control signal GCS from the timing controller 140. When a data voltage corresponding to image data is provided from the data driver 130 to the sub-pixel SP, an image corresponding to the gray level of the image data is output on the screen under the control of the gate driver 120. The gate driver 120 may be located at only one side or both sides of the display panel 110 in the form of one or more ICs. The gate driver 120 may be implemented in the form of an in-panel gate (GIP) directly built in a non-display area of the display panel 110.

[0058] The data driver 130 receives a data control signal DCS and digital image data DATA from the timing controller 140. The data driver 130 converts the image data DATA into an analog data voltage and outputs the analog data voltage to the data line DL. The data driver 130 may be configured in the form of an IC.

[0059] The timing controller 140 provides control signals to the gate driver 120 and the data driver 130 to control the operations of the gate driver 120 and the data driver 130. In addition to the image data DATA, the timing controller 140 also receives various timing signals including a vertical synchronization signal, a horizontal synchronization signal, a data enable signal, a clock signal, etc. from an external system (such as a host system). The timing controller 140 generates a data control signal DCS and a gate control signal GCS using the various timing signals received from the external system, and outputs the data control signal DCS and the gate control signal GCS to the data driver 130 and the gate driver 120 respectively. For example, the signals output by the timing controller 140 to control the gate driver 120 include a gate start pulse, a gate shift clock, a gate output enable signal, etc. For example, the signals output by the timing controller 140 to control the data driver 130 include a source start pulse, a source sampling clock, a source output enable signal, etc.

[0060] The touch driver 150 senses a touch input by a user to the display device 100. The touch driver 150 can sense the presence or absence of a touch and the touch position based on the capacitance difference between electrodes formed on the display panel 110. The touch driver 150 can generate a touch sensing output signal regarding the presence or absence of a touch and the touch position.

[0061] The power supply driver 160 regulates a DC input voltage provided from an external system to generate the power supplies required for the display device 100. The power supply driver 160 can generate a converter voltage required to drive various ICs, a high potential voltage and a low potential voltage supplied to sub-pixels, a gate high voltage and a gate low voltage supplied to the gate driver 120, a gamma voltage supplied to the data driver 130, etc.

[0062] Figure 3 is a view for exemplarily describing the structure of a touch panel built in a display device according to the present invention and the structure of sub-pixels.

[0063] Referring to Figure 3 , the display area AA of the display panel 110 in the display device 100 according to the present invention is shown. A plurality of sub-pixels SP are arranged on the substrate SUB in the display area AA. Each sub-pixel SP may include a light-emitting element ED, a first transistor T1 for driving the light-emitting element ED, a second transistor T2 for transmitting a data voltage Vdata to a first node N1 of the first transistor T1, a storage capacitor Cst for holding a predetermined voltage for one frame, etc.

[0064] The first transistor T1 may include: a first node N1 to which a data voltage Vdata may be applied via a second transistor T2; a second node N2 electrically connected to a light-emitting element ED; and a third node N3 to which a driving voltage VDD is applied from a driving voltage line DVL. The first node N1 may be a gate node, the second node N2 may be a source node or a drain node, and the third node N3 may be a drain node or a source node. The first transistor T1 is referred to as a driving transistor for driving the light-emitting element ED.

[0065] The light-emitting element ED may include a first electrode (e.g., an anode), a light-emitting layer, and a second electrode (e.g., a cathode). The first electrode may be electrically connected to the second node N2 of the first transistor T1, and a base voltage VSS may be applied to the second electrode. In the light-emitting element ED, the light-emitting layer may be an organic light-emitting layer including an organic material. In this case, the light-emitting element ED may be an OLED.

[0066] The second transistor T2 may be controlled to be turned on or off by a scan signal SCAN applied via a gate line GL, and may be electrically connected between the first node N1 of the first transistor T1 and a data line DL. The second transistor T2 may be referred to as a switching transistor.

[0067] When the second transistor T2 is turned on by the scan signal SCAN, the data voltage Vdata provided via the data line DL is transmitted to the first node N1 of the first transistor T1. A storage capacitor Cst may be electrically connected between the first node N1 and the second node N2 of the first transistor T1.

[0068] Each sub-pixel SP may have a 2T1C structure including two transistors T1, T2, and one capacitor Cst, and in some cases, may further include one or more transistors or one or more capacitors.

[0069] The storage capacitor Cst is not a parasitic capacitor that may exist between the first node N1 and the second node N2 of the first transistor T1, but may be an external capacitor intentionally designed outside the first transistor T1. Each of the first transistor T1 and the second transistor T2 may be an n-type transistor or a p-type transistor.

[0070] Meanwhile, circuit elements such as a light-emitting element ED, two or more transistors T1 and T2, and one or more capacitors Cst are disposed on the display panel 110. Since the circuit elements are vulnerable to external moisture or oxygen, an encapsulation layer ENCAP for preventing external moisture or oxygen from penetrating into the circuit elements may be disposed on the display panel 110. In the display device 100 according to the present invention, a touch screen panel TSP may be formed on the encapsulation layer ENCAP and built in the display panel 110. In other words, in the display device 100, a plurality of touch electrodes TE forming the touch screen panel TSP may be disposed on the encapsulation layer ENCAP to form the display panel 110.

[0071] The display device 100 may operate according to a capacitance-based touch sensing method, and may sense touches according to a mutual capacitance method and sense touches according to a self-capacitance method.

[0072] In the mutual capacitance-based touch sensing method, a plurality of touch electrodes TE may be classified into touch driving electrodes to which a touch driving signal is applied via touch driving lines and touch sensing electrodes that sense a touch sensing signal via touch sensing lines and generate capacitance with the touch driving electrodes. In this case, the touch driving lines and the touch sensing lines may be collectively referred to as "touch lines", and the touch driving signal and the touch sensing signal may be collectively referred to as "touch signals". In the mutual capacitance-based touch sensing method, the presence or absence of a touch, touch coordinates, etc. are detected based on changes in mutual capacitance generated between the touch driving electrode and the touch sensing electrode according to the presence or absence of an indicator such as a finger or a pen.

[0073] In the self-capacitance-based touch sensing method, each touch electrode TE serves as a touch driving electrode and a touch sensing electrode. In other words, a touch driving signal is applied to the touch electrode TE via one touch line, and a touch sensing signal transmitted from the touch electrode TE to which the touch driving signal is applied is received via the same touch line. Therefore, in the self-capacitance-based touch sensing method, there is no distinction between the touch driving electrode and the touch sensing electrode, and between the touch driving line and the touch sensing line. In the self-capacitance-based touch sensing method, the presence or absence of a touch, touch coordinates, etc. are detected based on capacitance changes generated between an indicator such as a finger or a pen and the touch electrode TE.

[0074] As described above, the touch display device 100 may sense touches using a mutual capacitance-based touch sensing method or a self-capacitance-based touch sensing method.

[0075] Figure 4 is a view schematically showing a touch electrode structure for sensing a mutual capacitance-based touch in a display device according to the present invention.

[0076] Referring to Figure 4, the touch electrode structure of the display device according to the present invention may include a plurality of X touch electrode lines X-TEL and a plurality of Y touch electrode lines Y-TEL. Here, the plurality of X touch electrode lines X-TEL and the plurality of Y touch electrode lines Y-TEL are located above the encapsulation layer ENCAP. Each of the plurality of X touch electrode lines X-TEL may be disposed in a first direction, and each of the plurality of Y touch electrode lines Y-TEL may be disposed in a second direction different from the first direction.

[0077] Each of the plurality of X touch electrode lines X-TEL may be formed of a plurality of X touch electrodes electrically connected to each other. Each of the plurality of Y touch electrode lines Y-TEL may be formed of a plurality of Y touch electrodes electrically connected to each other. Here, the plurality of X touch electrodes and the plurality of Y touch electrodes are electrodes included in the plurality of touch electrodes TE and having different functions. For example, the plurality of X touch electrodes forming each of the plurality of X touch electrode lines X-TEL may be touch driving electrodes, and the plurality of Y touch electrodes forming each of the plurality of Y touch electrode lines Y-TEL may be touch sensing electrodes. In this case, each of the plurality of X touch electrode lines X-TEL corresponds to a touch driving electrode line, and each of the plurality of Y touch electrode lines Y-TEL corresponds to a touch sensing electrode line.

[0078] The plurality of touch lines TL may include one or more X touch lines X-TL connected to each of the plurality of X touch electrode lines X-TEL and one or more Y touch lines Y-TL connected to each of the plurality of Y touch electrode lines Y-TEL.

[0079] Figure 5 is a view exemplarily showing a cross-section of a part of the display device according to the present invention.

[0080] Referring to Figure 5 , as a driving transistor, the first transistor T1 is disposed on the substrate SUB in the sub-pixel SP located in the display area AA. The first transistor T1 includes a gate GE, a source SE, a drain DE, a semiconductor layer SEMI, etc.

[0081] The gate GE and the semiconductor layer SEMI overlap each other with a gate insulating film GI interposed therebetween. The source SE is formed on the insulating layer INS and contacts one side of the semiconductor layer SEMI, and the drain DE is formed on the insulating layer INS and contacts the other side of the semiconductor layer SEMI.

[0082] The light-emitting element ED includes a first electrode E1 corresponding to an anode, a second electrode E2 corresponding to a cathode, and a light-emitting layer EL disposed therebetween. The first electrode E1 is electrically connected to the source SE of a first transistor T1 exposed through a contact hole passing through the planarization film PLN. The light-emitting layer EL is formed on the first electrode E1 in a light-emitting region separated by a bank BANK. The second electrode E2 is formed opposite to the first electrode E1 with the light-emitting layer EL interposed therebetween.

[0083] The encapsulation layer ENCAP is a layer that protects the light-emitting element ED vulnerable to external moisture or oxygen. The encapsulation layer ENCAP can be formed into a single-layer structure or a plurality of stacked structures PAS1, PCL, and PAS2. The encapsulation layer ENCAP can include one or more inorganic encapsulation layers PAS1 and PAS2 and one or more organic encapsulation layers PCL. The inorganic encapsulation layers PAS1 and PAS2 can be made of, for example, inorganic insulating materials capable of low-temperature deposition, such as silicon nitride (SiN x ), silicon oxide (SiO x ), silicon oxynitride (SiON), or aluminum oxide (Al2O3). The organic encapsulation layer PCL can be formed to expose an end portion of the first inorganic encapsulation layer PAS1. The organic encapsulation layer PCL can be used as a buffer for reducing stress caused between layers due to bending of a touch display device that is an OLED display device, and the organic encapsulation layer PCL is also used to enhance planarization performance. For example, the organic encapsulation layer PCL can be made of an organic insulating material such as an acrylic resin, an epoxy resin, a polyimide, a polyethylene, or a silicon oxycarbide (SiOC).

[0084] One or more dams DAM can be formed in the non-display area NAA. The dam DAM can prevent the organic encapsulation layer PCL from collapsing in the non-display area NAA and entering the pad area PA. The dam DAM can have a dual structure of a first dam DAM1 and a second dam DAM2. Each of the dams DAM1 and DAM2 can be formed into a single-layer structure or a multi-layer structure. For example, the dam DAM can have a stacked structure of a bank BANK, a first inorganic encapsulation layer PSA1, and a second inorganic encapsulation layer PAS2.

[0085] The touch buffer layer T-BUF can be disposed on the encapsulation layer ENCAP. The touch buffer layer T-BUF can be located between the touch sensor metal (which includes touch electrodes (X-TE and Y-TE) and touch electrode connection lines X-CL and Y-CL) and the second electrode E2 of the light-emitting element ED. The touch buffer layer T-BUF can be designed such that the separation distance between the touch sensor metal and the second electrode E2 of the light-emitting element ED is maintained at a predetermined minimum separation distance (e.g., 1 μm). Therefore, the parasitic capacitance generated between the touch sensor metal and the second electrode E2 of the light-emitting element ED can be reduced or prevented, thereby preventing a decrease in touch sensitivity due to the parasitic capacitance.

[0086] On the touch buffer layer T-BUF, an X touch electrode line X-TEL and a Y touch electrode line Y-TEL can be disposed, and the X touch electrode line X-TEL and the Y touch electrode line Y-TEL can be disposed to cross each other. The Y touch electrode line Y-TEL can include a plurality of Y touch electrode connection lines Y-CL that electrically connect a plurality of Y touch electrodes T-TE. In this case, the plurality of Y touch electrodes Y-TE and the plurality of Y touch electrode connection lines Y-CL can be located on different layers, and an interlayer dielectric ILD is interposed therebetween.

[0087] The Y touch electrode line Y-TEL can be electrically connected to the touch driver 150 via a Y touch line Y-TL and a Y touch pad Y-TP. Similarly, the X touch electrode line X-TEL can be electrically connected to the touch driver 150 via an X touch line X-TL and an X touch pad (not shown).

[0088] The Y touch line Y-TL can be electrically connected to the Y touch electrode T-TE via a touch line contact hole or integrated with the Y touch electrode Y-TE. The Y touch line Y-TL can extend to the non-display area NAA, and can be electrically connected to the Y touch pad Y-TP after passing through the upper surface and the side surface of the encapsulation layer ENCAP and the upper surface and the side surface of the dam DAM. Therefore, the Y touch line Y-TL can be electrically connected to the touch driver 150 via the Y touch pad Y-TP. A Y touch bridge line Y-BL connected via a contact hole CH can be disposed below the Y touch line Y-TL in the non-display area NAA. Since the Y touch line Y-TL and the Y touch bridge line Y-BL are electrically connected via at least one contact hole CH formed at regular intervals, the same touch driving signal or touch sensing signal can be transmitted.

[0089] Meanwhile, a touch protection film PAC can be disposed above the X touch electrode (X-TE) and the Y touch electrode Y-TE. The touch protection film PAC can extend to the front or the rear of the dam DAM, and can be disposed on the X touch line X-TL and the Y touch line Y-TL.

[0090] Figure 6is a perspective view showing a display device according to the present invention.

[0091] Figure 7 is Figure 6 An enlarged view of portion A of the display device is shown.

[0092] Figure 8 is along Figure 7 A cross-sectional view taken along line BB' of the display device shown.

[0093] Reference Figure 6 , as elements constituting the display device 100, a cover window CW, a second plate PLT2, a vibration support 200, and a vibration membrane 300 are shown.

[0094] The cover window CW is provided on the outermost portion on which the user touch is input. The direction from the cover window CW to the vibration membrane 300 is defined as the -z axis direction, and is defined as the downward direction. Conversely, the direction from the vibration membrane 300 to the cover window CW is defined as the z axis direction, and is defined as the upward direction.

[0095] As reference Figure 1 As described above, the display panel 110 and the first panel PLT1 may be disposed between the cover window CW and the second panel PLT2, and a detailed description thereof is referred to Figure 1 Replaced by the content described above.

[0096] The second plate PLT2 is disposed below the cover window CW. The second plate PLT2 may be made of a metal material such as aluminum or magnesium, or a plastic material. The second plate PLT2 may be used as a vibration plate, and the vibration generated from the vibration membrane 300 is transmitted to the second plate PLT2 via the vibration support 200. When the present invention is applied to touch, the second plate PLT2 may strengthen the tactile vibration. When the present invention is applied to sound, the second plate PLT2 may strengthen the sound.

[0097] The vibration support 200 is disposed below the second plate PLT2. The vibration support 200 may be attached to the second plate PLT2 using a predetermined bonding material. Figure 7 and 8 As shown, the vibration support 200 includes a horizontal portion 210 , legs 220 , and a bridge 230 .

[0098] The horizontal portion 210 includes a portion parallel to a plane defined by the x-axis and the y-axis of the vibration support 200. The horizontal portion 210 may have a square plate shape having the same horizontal and vertical dimensions and a rectangular plate shape having horizontal and vertical dimensions different from each other. The vibration membrane 300 may be attached to the lower portion of the horizontal portion 210. The horizontal portion 210 and the vibration membrane 300 may be attached using a predetermined bonding material. Figure 6As shown, a vibration bracket 200 may include six horizontal portions 210. Six is an exemplary number, and the technical spirit of the present invention is not limited to this number. As Figure 7 shown in the enlarged view of Figure 7 , each horizontal portion 210 may be referred to as a first horizontal portion 210a, a second horizontal portion 210b, and a third horizontal portion 210c. The vibration membrane 300 may be attached to each of the plurality of horizontal portions.

[0099] The legs 220 represent portions protruding in the z-axis direction (upward direction) from one side and the other side of the horizontal portion 210. The first leg 220a is a portion protruding upward from one side of the horizontal portion, and the second leg 220b is a portion protruding upward from the other side of the horizontal portion. The legs 220 may have a shape extending along the y-axis direction of the horizontal portion 210. Therefore, one horizontal portion 210 includes two legs 220.

[0100] Vibration is generated by the vibration membrane 300. The legs 220 can obtain the effect of strengthening the vibration in the z-axis direction of the upward direction and the depth direction. Specifically, the second plate PLT2 is disposed in the upward direction which is the protruding direction of the legs 220. Therefore, the vibration of the second plate PLT2 is strengthened in the upward direction. The display panel 110 and the cover window CW are disposed upward from the second plate PLT2. The user inputs a touch on the cover window CW. In the case where the display device 100 according to the present invention is applied to haptics, when the user makes a touch input, the user can experience a haptic response with an enhanced depth sense via the finger in contact with the cover window CW. In the case where the display device 100 according to the present invention is applied to sound, when the user makes a touch input, the user can experience a sound strengthened in the depth direction.

[0101] Meanwhile, a separation distance GAP is formed between the vibration bracket 200 and the second plate PLT2 by the legs 220. No material is filled in the separation distance GAP, and atmospheric air may be present therein. In some cases, the inside of the separation distance GAP may be filled with a material for strengthening vibration. For example, the vibration strengthening material may be referred to as a "piezoelectric material". The piezoelectric material may include one or more of PVDF polymers doped with polyvinylidene fluoride (PVDF), polyvinylidene fluoride-co-trifluoroethylene (P(VDF-TrFE)), moderated ferroelectric polymer, P(VDF-TrFe-CFE), P(VDF-TrFE-CTFE), carbon nanotubes (CNT), etc., and poly[bis(trifluoroethoxy)phosphazene], but is not limited thereto. For example, the piezoelectric material may include a polymer material having a light transmittance and piezoelectricity at a predetermined level or higher.

[0102] The separation distance GAP can be 1 mm or greater. Specifically, the distance between the lower surface of the second plate PLT2 and the upper surface of the horizontal portion 210b can be used as the separation distance GAP, which is 1 mm or greater. When the separation distance GAP is 2 mm, the vibration can have optimized performance.

[0103] The bridge 230 has a shape that extends between adjacent legs 220. As Figure 7 shown, the third leg 220c is located on the other side of the first horizontal portion 210a. The first leg 220a is located on one side of the second horizontal portion 210b. The bridge 230 extends between the third leg 220c and the first leg 220a. In Figure 7 , the first bridge 230a to the fifth bridge 230e are shown. The number of bridges 230 is exemplary and does not limit the technical spirit of the present invention.

[0104] Vibration is generated by the vibration film 300. The bridge 230 can obtain the effect of strengthening vibration in the plane direction defined by the x-axis and y-axis directions. Specifically, the bridge 230 has a shape that extends in the plane direction. Therefore, the vibration is strengthened in the plane direction. The vibration generated when the user makes a touch input on the cover window CW can be strengthened in the plane direction.

[0105] Figure 9 is a perspective view showing a display device according to the present invention.

[0106] Figure 10 is a perspective view showing a display device according to the present invention.

[0107] Reference will be made to Figure 9 and 10 to describe the connection between the vibration film 300 and the control board CPCB according to the present invention.

[0108] Referring to Figure 9 , as elements constituting the display device 100, the cover window CW, the second plate PLT2, the vibration bracket 200, the vibration film 300, the connector 400, the source plate SPCB, and the source film SF are shown.

[0109] Referring to Figure 9 and 10 , six vibration films 300 are shown. Each vibration film 300 is referred to as the first vibration film 300a, the second vibration film 300b, the third vibration film 300c, the fourth vibration film 300d, the fifth vibration film 300e, and the sixth vibration film 300f. The number of vibration films 300 is exemplary, and the technical spirit of the present invention is not limited thereto.

[0110] Referring to Figure 9 and 10 , two connectors 400 are shown. Each connector 400 is referred to as the first connector 410 and the second connector 420.

[0111] The cover window CW is provided on the outermost portion where a user touch is input. The direction from the cover window CW to the diaphragm 300 is defined as the -z axis direction and is defined as the downward direction. Conversely, the direction from the diaphragm 300 to the cover window CW is defined as the z axis direction and is defined as the upward direction.

[0112] As described with reference to Figure 1 the display panel 110 and the first plate PLT1 may be provided between the cover window CW and the second plate PLT2. The detailed description of the display panel 110 and the first plate PLT1 is replaced by the content described with reference to Figure 1 etc. The display panel 110 and the source plate SPCB are electrically connected via the source film SF. The detailed description of the source plate SPCB and the source film SF is replaced by the content described with reference to Figure 1 etc.

[0113] The second plate PLT2 is provided below the cover window CW. The vibration bracket 200 is provided below the second plate PLT2. The diaphragm 300 is provided below the vibration bracket 200. The detailed description of the vibration bracket 200 and the diaphragm 300 is replaced by the content described with reference to Figures 6 to 8 etc.

[0114] The diaphragm 300 is connected to the connector 400. The first connector 410 includes a first terminal 411 and a second terminal 412. The second connector 420 includes a first terminal 421 and a second terminal 422. The first to third diaphragms 300a, 300b, and 300c are connected to the first connector 410, and the fourth to sixth diaphragms 300d, 300e, and 300f are connected to the second connector 420.

[0115] Each of the connectors 410 and 420 may have a wire for controlling the vibration of the diaphragm 300 built therein. The diaphragm 300 may include an anode, a cathode, and a piezoelectric ceramic therebetween. The diaphragm 300 may vibrate with an intensity corresponding to the difference between the voltages applied to the anode and the cathode. Each of the connectors 410 and 420 may include a wire for applying a voltage to the anode and the cathode. The voltage may be applied from the control board CPCB. The first terminals 411 and 421 are terminals for applying a voltage to the diaphragm 300. The second terminals 412 and 422 are terminals for receiving a voltage from the control board CPCB.

[0116] Each of the connectors 410 and 420 may have a different number of the first terminals 411 and 421 and the second terminals 412 and 422. In Figure 9In the illustrated example, the number of the first terminals 411 and 421 is three, and the number of the second terminals 412 and 422 is one. Accordingly, the number of the first terminals 411 and 421 may be greater than the number of the second terminals 412 and 422. The first terminals 411 are connected to each of the diaphragms 300a, 300b, and 300c. The second terminal 412 is connected to Figure 10 the control board CPCB shown. The second connector 420 includes three first terminals 421 and one second terminal 422. The first terminals 421 are connected to each of the diaphragms 300d, 300e, and 300f. The second terminal 422 is connected to Figure 10 the control board CPCB shown.

[0117] According to the present invention, six diaphragms 300 (300a to 300f) may be attached to one vibration bracket 200. Three diaphragms 300a to 300c at one side of the display device 100 may be commonly connected to one first connector 410. Three diaphragms 300d to 300f at the other side of the display device 100 may be commonly connected to one second connector 420. The first connector 410 and the second connector 420 may be connected to one control board CPCB via the second terminals 412 and 422.

[0118] Figure 11 is a perspective view showing a display device according to the present invention.

[0119] Figure 12 is a perspective view showing a display device according to the present invention.

[0120] Reference will be made to Figure 11 and 12 to describe another method of connecting the diaphragm 300 and the control board CPCB according to the present invention.

[0121] Referring to Figure 11 , as elements constituting the display device 100, a cover window CW, a second plate PLT2, a vibration bracket 200, a diaphragm 300, a connector 430, a source plate SPCB, and a source film SF are shown.

[0122] Referring to Figure 11 and 12 , six diaphragms 300 are shown. Each diaphragm 300 is referred to as a first diaphragm 300a, a second diaphragm 300b, a third diaphragm 300c, a fourth diaphragm 300d, a fifth diaphragm 300e, and a sixth diaphragm 300f. The number of the diaphragms 300 is exemplary, and the technical spirit of the present invention is not limited thereto.

[0123] Referring to Figure 11 and 12, six connectors 430a to 430f are shown. Each connector 430 is referred to as the first connector 430a, the second connector 430b, the third connector 430c, the fourth connector 430d, the fifth connector 430e, and the sixth connector 430f.

[0124] The cover window CW is disposed on the outermost portion where a user touch is input. The direction from the cover window CW to the vibration film 300 is defined as the -z axis direction and is defined as the downward direction. Conversely, the direction from the vibration film 300 to the cover window CW is defined as the z axis direction and is defined as the upward direction.

[0125] As described with reference to Figure 1 the display panel 110 and the first plate PLT1 may be disposed between the cover window CW and the second plate PLT2. The detailed description of the display panel 110 and the first plate PLT1 is replaced by the content described with reference to Figure 1 etc. The display panel 110 and the source plate SPCB are electrically connected via the source film SF. The detailed description of the source plate SPCB and the source film SF is replaced by the content described with reference to Figure 1 etc.

[0126] The second plate PLT2 is disposed below the cover window CW. The vibration bracket 200 is disposed below the second plate PLT2. The vibration film 300 is disposed below the vibration bracket 200. The detailed description of the vibration bracket 200 and the vibration film 300 is replaced by the content described with reference to Figures 6 to 8 the description.

[0127] The vibration film 300 is connected to the connector 430. Each of the connectors 430a to 430f includes one of the first terminals 431a to 431f and one of the second terminals 432a to 432f. Specifically, each of the first to sixth vibration films 300a to 300f is connected to one of the connectors 430a to 430f via one of the first terminals 431a to 431f. Each of the connectors 430a to 430f is connected to the control board CPCB via one of the second terminals 432a to 432f.

[0128] Therefore, the number of the connectors 430a to 430f may be the same as the number of the first terminals 431a to 431f and the number of the second terminals 432a to 432f. The number of the first terminals 431a to 431f of each of the connectors 430a to 430f is one, and the number of its second terminals 432a to 432f is also one, that is, the number of the first terminals is the same as the number of the second terminals.

[0129] The connector 430 may have a wire for controlling the vibration of the diaphragm 300 built therein. The diaphragm 300 may include an anode, a cathode, and a piezoelectric ceramic therebetween. The diaphragm 300 may vibrate with an intensity corresponding to the difference between the voltages applied to the anode and the cathode. The connector 430 may include wires for applying voltages to the anode and the cathode. The voltages may be applied from the control board CPCB. The first terminals 431a to 431f are terminals for applying voltages to the diaphragm 300. The second terminals 432a to 432f are terminals for receiving voltages from the control board CPCB.

[0130] As Figure 11 and 12 shown, each of the connectors 430a to 430f is connected to one of the diaphragms 300a to 300f. Each of the connectors 430a to 430f includes one of the first terminals 431a to 431f and one of the second terminals 432a to 432f. Accordingly, the number of the first terminals 431a to 431f may be the same as the number of the second terminals 432a to 432f.

[0131] According to the present invention, six diaphragms 300 (300a to 300f) may be attached to one vibration bracket 200. One of the diaphragms 300a to 300f may be connected to one of the connectors 430a to 430f. Each of the connectors 430a to 430f may be connected to one control board CPCB.

[0132] Accordingly, a plurality of connectors 430a to 430f may overlap each other. For example, as Figure 11 and 12 shown, the first connector 430a and the second connector 430b overlap each other with respect to the x and y planes. In addition, the fifth connector 430e and the sixth connector 430f overlap each other with respect to the x and y planes. Since some of the plurality of connectors 430a to 430f overlap each other, the connection to the control board CPCB may be easy. If Figure 11 and 12 different, in order to prevent the plurality of connectors 430a to 430f from overlapping each other, the first connector 430a and the sixth connector 430f should be attached to the side surface parallel to the y-axis direction of the control board CPCB. In this case, the arrangement of the connection terminals of the control board CPCB will inevitably be complicated.

[0133] Figure 13 is a perspective view showing a display device according to the present invention.

[0134] Another embodiment of the vibration bracket according to the present invention will be described with reference to Figure 13 the following.

[0135] Refer to Figure 13, as components constituting the display device 100, the cover window CW, the second plate PLT2, the vibration bracket 200, the vibration film 300, the connector 400, the source plate SPCB, and the source film SF are shown.

[0136] Referring to Figure 13 , two vibration brackets 200 are shown. Each vibration bracket 200 is referred to as a first vibration bracket 250 and a second vibration bracket 260. The number of vibration brackets 200 is exemplary, and the technical spirit of the present invention is not limited thereto.

[0137] Referring to Figure 13 , six vibration films 300 are attached to the first vibration bracket 250. Each vibration film 300 is referred to as first to sixth vibration films 350a to 350f. Six vibration films 300 are attached to the second vibration bracket 260. Each vibration film 300 is referred to as seventh to twelfth vibration films 360a to 360f. The number of vibration films 300 is exemplary, and the technical spirit of the present invention is not limited thereto.

[0138] Referring to Figure 13 , four connectors 400 are shown. Each connector 400 is referred to as a first connector 440, a second connector 450, a third connector 460, and a fourth connector 470. The first connector 440 and the second connector 450 are connected to the first vibration bracket 250. The third connector 460 and the fourth connector 470 are connected to the second vibration bracket 260. Each connector 400 includes a first terminal and a second terminal. The first connector 440 includes three first terminals 441 and one second terminal 442. The second connector 450 includes three first terminals 451 and one second terminal 452. The third connector 460 includes three first terminals 461 and one second terminal 462. The fourth connector 470 includes three first terminals 471 and one second terminal 472.

[0139] The cover window CW is provided on the outermost part where a user touch is input. The direction from the cover window CW to the vibration film 300 is defined as the -z axis direction and is defined as the downward direction. Conversely, the direction from the vibration film 300 to the cover window CW is defined as the z axis direction and is defined as the upward direction.

[0140] As described with reference to Figure 1 , the display panel 110 and the first plate PLT1 may be provided between the cover window CW and the second plate PLT2. The detailed description of the display panel 110 and the first plate PLT1 is replaced by the content described with reference to Figure 1 etc. The display panel 110 and the source plate SPCB are electrically connected via the source film SF. The detailed description of the source plate SPCB and the source film SF is replaced by the content described with reference to Figure 1 etc.

[0141] The second plate PLT2 is disposed below the cover window CW. The vibration bracket 200 is disposed below the second plate PLT2. The vibration membrane 300 is disposed below the vibration bracket 200. The detailed descriptions of the vibration bracket 200 and the vibration membrane 300 are referred to Figures 6 to 8 the content described instead.

[0142] The first vibration membranes 350a to 350c are connected to the first connector 440. The fourth vibration membranes 350d to 350f are connected to the second connector 450. The seventh vibration membranes 360a to 360c are connected to the third connector 460. The tenth vibration membranes 360d to 360f are connected to the fourth connector 470.

[0143] The first connector 440 includes a first terminal 441 connected to the vibration membrane and a second terminal 442 connected to the control board CPCB. The second connector 450 includes a first terminal 451 connected to the vibration membrane and a second terminal 452 connected to the control board CPCB. The third connector 460 includes a first terminal 461 connected to the vibration membrane and a second terminal 462 connected to the control board CPCB. The fourth connector 470 includes a first terminal 471 connected to the vibration membrane and a second terminal 472 connected to the control board CPCB. The second terminals 442, 452, 462, and 472 can be connected to one control board CPCB.

[0144] According to the present invention, a display device 100 includes two vibration brackets 250 and 260. Six vibration membranes 350a to 350f or 360a to 360f can be attached to each of the vibration brackets 250 and 260. Three vibration membranes 350a to 350c at one side of the display device can be commonly connected to the first connector 440. Three vibration membranes 350d to 350f at the other side of the display device 100 can be commonly connected to the second connector 450. Three vibration membranes 360a to 360c at one side of the display device 100 can be commonly connected to the third connector 460. Three vibration membranes 360d to 360f at the other side of the display device can be commonly connected to the fourth connector 470. The four connectors 440 to 470 can be connected to one control board CPCB via the second terminals 442, 452, 462, and 472.

[0145] Figure 14 is a view showing a vehicle equipped with the display device according to the present invention.

[0146] Refer to Figure 14 , the vehicle according to the present invention includes a cluster display 1410, a center instrument panel display 1420, and a passenger display 1430.

[0147] The cluster display 1410 can display various driving-related information about the vehicle, such as driving time, speed, fuel level, and engine RPM, as well as information about the vehicle status information, to the driver.

[0148] The central instrument panel display 1420 can display various information about the audio system, air conditioning system, and navigation system to the driver.

[0149] The passenger display 1430 can display information about multimedia images to the passengers.

[0150] The display device according to the present invention can be applied to the cluster display 1410, the central instrument panel display 1420, and the passenger display 1430. In the case where the display device according to the present invention is applied to haptics, when the user makes a touch input, the user can experience a haptic response with enhanced depth perception via the finger in contact with the cover window. In the case where the display device according to the present invention is applied to sound, when the user makes a touch input, the user can experience enhanced sound in the depth direction.

[0151] According to the present invention, a display device is disclosed, comprising: a cover window; a display panel disposed below the cover window; at least one plate disposed below the display panel; a vibration bracket attached to the lower portion of the at least one plate; and a vibration film attached to the lower portion of the vibration bracket, wherein the vibration bracket includes legs protruding upward.

[0152] The legs may include a first leg disposed at one side of the display device and a second leg disposed at the other side of the display device.

[0153] The vibration bracket may further include a plurality of bridges extending from the legs.

[0154] The vibration bracket may further include a horizontal portion to which the vibration film is attached.

[0155] A separation space may be formed between the horizontal portion and the at least one plate.

[0156] The display device may further include a piezoelectric material disposed in the separation space.

[0157] The horizontal portion may include a plurality of horizontal portions having a first horizontal portion and a second horizontal portion, and the vibration film may be attached to each of the plurality of horizontal portions.

[0158] The at least one plate may include a first plate disposed below the display panel and a second plate disposed below the first plate, and the second plate may be made of a metallic material.

[0159] The second plate and the vibration bracket may be directly attached by a bonding material.

[0160] The display device may further include a connector that electrically connects the diaphragm to the control board.

[0161] The connector may include a first terminal connected to the diaphragm and a second terminal connected to the control board.

[0162] The number of the first terminals may be greater than the number of the second terminals.

[0163] The number of the first terminals may be the same as the number of the second terminals.

[0164] The connector may include a plurality of connectors, and some of the plurality of connectors may overlap each other.

[0165] The vibration bracket may include a plurality of brackets having a first bracket and a second bracket.

[0166] According to the present invention, when the vibration generated from the diaphragm is transmitted to the second plate, the vibration intensity may be strengthened by the vibration bracket. The strengthened vibration may be in the z-axis direction as the depth direction. The strengthened vibration may be in the x-axis and y-axis directions as the plane directions. When the vibration is applied to haptics, the user may experience a strengthened touch response in the depth direction. When the vibration is applied to sound, the user may experience a strengthened sound.

[0167] The embodiments of the present invention have been described above with reference to the drawings. The present invention is not necessarily limited to these embodiments. Various modifications can be made to the present invention without departing from the technical spirit of the present invention. Therefore, it should be understood that the embodiments of the present invention are for illustrative purposes and not for limiting the technical content. The scope of the present invention should be defined by the claims. In addition, all technical spirits within the equivalent scope of the claims should be construed as being included in the technical spirit of the present invention.

Claims

1. A display device, comprising: Cover windows; A display panel disposed below the cover window; at least one plate disposed below the display panel; a vibration mount attached to a lower portion of the at least one plate; as well as a vibration membrane attached to the lower portion of the vibration mount, The vibration support includes legs protruding upward. 2 . The display device according to claim 1 , wherein the leg comprises a first leg provided at one side of the display device and a second leg provided at another side of the display device. 3 . The display device of claim 2 , wherein the vibration support further comprises a plurality of bridges extending from the legs. 4 . The display device according to claim 1 , wherein the vibration support further comprises a horizontal portion, and the vibration membrane is attached to the horizontal portion. 5 . The display device of claim 4 , wherein a separation space is formed between the horizontal portion and the at least one plate. The display device according to claim 5 , further comprising a piezoelectric material disposed in the separation space.

7. The display device according to claim 4, wherein the horizontal portion includes a plurality of horizontal portions including a first horizontal portion and a second horizontal portion, The diaphragm is attached to each of the plurality of horizontal portions.

8. The display device according to claim 1, wherein the at least one plate comprises a first plate disposed below the display panel and a second plate disposed below the first plate, The second plate is made of metal material. 9 . The display device according to claim 8 , wherein the second plate and the vibration support are directly attached by a bonding material.

10. The display device according to claim 1, further comprising a connector electrically connecting the vibration film with a control board. 11 . The display device according to claim 10 , wherein the connector comprises a first terminal connected to the vibration film and a second terminal connected to the control board. 12 . The display device according to claim 11 , wherein the number of the first terminals is greater than the number of the second terminals. 13 . The display device according to claim 11 , wherein the number of the first terminals is the same as the number of the second terminals. 14 . The display device of claim 11 , wherein the connector comprises a plurality of connectors, and some of the plurality of connectors overlap each other. 15 . The display device of claim 1 , wherein the vibration bracket comprises a plurality of brackets including a first bracket and a second bracket. 16 . The display device according to claim 1 , wherein the vibration film includes an anode, a cathode, and a piezoelectric ceramic between the anode and the cathode. 17 . The display device according to claim 1 , wherein the vibration film comprises a plurality of vibration films attached to one vibration mount.

18. A display device according to claim 14, wherein the vibration membrane includes a plurality of vibration membranes at one side of the display device that are commonly connected to a first connector among the plurality of connectors, and a plurality of vibration membranes at the other side of the display device that are commonly connected to a second connector among the plurality of connectors.

19. The display device according to claim 18, wherein the first connector and the second connector are connected to one control board via the second terminal. 20 . The display device of claim 14 , wherein the number of the connectors is the same as the number of the first terminals and the number of the second terminals. 21 . The display device according to claim 15 , wherein the vibration film comprises a plurality of vibration films attached to the first bracket and a plurality of vibration films attached to the second bracket. 22 . The display device of claim 4 , wherein the leg comprises a first leg protruding upward from one side of the horizontal portion and a second leg protruding upward from the other side of the horizontal portion.

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