ORGANIC LIGHT EMISSIONING DISPLAY DEVICE

Abstract

An organic light-emitting display device (100, 200, 300, 400) comprising: an organic light-emitting display panel (110) having a plurality of subpixels; a touch panel (130) on the organic light-emitting display panel (110); a support element (120, 320) which is arranged under the organic light-emitting display panel (110) and is made of a metal material; a first flexible circuit film (FF1) which is arranged on one side of the organic light-emitting display panel (110) and is bent towards a lower surface of the support part (120, 320); a second flexible circuit film (FF2) which is arranged on one side of the touch panel (130) and is bent towards the lower surface of the support part (120, 320); a third flexible circuit film (FF3) which is arranged on one side of the organic light-emitting display panel (110) and is bent towards the lower surface of the support part (120, 320) to stabilize a low potential voltage; a first printed circuit board (PCB1) which is connected to the first flexible circuit film (FF1) and includes a driver circuit which provides the low potential voltage of a low potential voltage line (VSSL); a second printed circuit board (PCB2) which is connected to the second flexible circuit film (FF2) and has a driver circuit which provides a touch signal to the touch panel (130), wherein the first printed circuit board (PCB1) and the second printed circuit board (PCB2) are electrically connected to the support part (120, 320); a first conductive adhesive (141) which bonds the first printed circuit board (PCB1) and the support part (120, 320); a second conductive adhesive (142) which bonds the second printed circuit board (PCB2) and the support part (120, 320); and a first conductive fiber tape (150) that bonds and electrically connects the third flexible circuit film (FF3) and a lower surface of the support part (120, 320), wherein the first conductive fiber tape (150) covers at least a part of the third flexible circuit film (FF3) and the second printed circuit board (PCB2) such that the second printed circuit board (PCB2) and the third flexible circuit film (FF3) are in contact with the lower surface of the support part (120, 320), wherein the first flexible circuit film (FF1) transmits various signals from the first printed circuit board (PCB1) to the display panel (110), wherein the second flexible circuit film (FF2) transmits signals output by the second printed circuit board (PCB2) to the touch panel (130), and wherein the first flexible circuit film (FF1), the second flexible circuit film (FF2) and the third flexible circuit film (FF3) are grounded at the support part (120, 320).

Description

BACKGROUND area

[0001] The present disclosure relates to an organic light-emitting display device to which a stable ground voltage is applied. Description of the related technology

[0002] Unlike a liquid crystal display (LCD) device, which requires a backlight, an organic light-emitting display (OLED) device does not require a separate light source. Therefore, the organic light-emitting display device can be manufactured in a lightweight and thin form, offering manufacturing advantages and low energy consumption due to its low-voltage operation. Furthermore, the organic light-emitting display device features a self-emissive element and has layers formed from thin organic films, giving it superior flexibility and elasticity compared to other display devices. Consequently, it is advantageous to implement it as a flexible display device.

[0003] Recently, as we enter the information age, the field of displays that visually express electrical information signals has developed rapidly. In response, various display devices have been developed that exhibit excellent performance characteristics, such as thinness, low weight, and low energy consumption. Organic light-emitting plastic displays utilize a plastic film as a base material instead of thick glass, resulting in a lightweight design and excellent flexibility, which is applied to various forms, such as flexible displays.

[0004] Recently, a flexible display device, capable of displaying images even when bent or folded like paper, has attracted attention as a next-generation display device. Utilizing a thin plastic film transistor substrate instead of glass, this flexible display device can be classified as unbreakable, highly durable, flexible (bendable without breaking), rollable, or foldable. Such a flexible display device offers advantages in terms of space requirements, content, and design, and has various applications.

[0005] Furthermore, in recent years, products with a built-in touch sensor for touchscreen functionality, activated by touching a screen, such as mobile devices, PDAs, and notebooks (personal portable devices), have become indispensable. For example, organic light-emitting displays (OLEDs) can also incorporate a touch panel. There are add-on OLEDs, where a touch panel is attached to an external surface; on-cell OLEDs, where a touch panel is mounted on the surface; and in-cell OLEDs with an integrated touch panel.According to the in-cell type with a built-in touch panel, the touch panel is embedded in the organic light-emitting display device, so that it is designed with a thin thickness compared to the add-on type and the on-cell type.

[0006] Meanwhile, flexible display devices, such as foldable display devices, are being implemented with a thin thickness, so that one problem is that touch noise on the touch panel on the display panel is caused by a voltage fluctuation of a thin-film transistor TFT during operation of the display panel.

[0007] As the display device grows larger, the low-voltage point (VSS) increases in pixels located far from the driver circuitry. Consequently, the driver voltage and power consumption also increase, resulting in uneven luminance across the display. Furthermore, the increased VSS creates a voltage differential between the VSS applied to the display panel and the touch panel, causing touch noise in the touch panel.

[0008] US 2019 / 0278411A1 describes a display device comprising a display module, a touch element, and a first control substrate, wherein the display module has a display panel, the touch element is arranged on the display module, the first control substrate is attached to substrate attachment sections of the touch element, the substrate attachment sections being provided near a first edge of the touch element near a first side of the display device, the first control substrate being bent downwards with respect to the display module, the display module having a bending support structure arranged at a first edge of the display module near the first side, the bending support structure projecting outwards beyond the substrate attachment sections of the touch element.

[0009] US 2020 / 0098793A1 describes a display device comprising a display panel; a first board connected to one side of a surface of the display panel and bent in one direction of the display panel such that it overlaps the display panel; a second board connected to another side of the surface of the display panel and bent in the direction of the display panel such that it overlaps the display panel; a control element on the first board; and a first pressure-sensing element on the second board, the first board being connected to the second board.

[0010] US 2020 / 0 267 838 A1 describes an electronic device comprising a first and a second printed circuit board (PCB), each arranged in a first and a second housing, and at least one wiring element electrically connecting the first and second PCBs; a window arranged above the first and second housings, and a hinge between the first and second housings, and a display arranged below the window, wherein the display comprises a display panel extending into the first housing and a first printed circuit board (FPCB) electrically connected to a ground of the first PCB, a polymer element, a first conductive element arranged in the first housing and electrically connected to the first FPCB, and a second conductive element arranged in the second housing, wherein the electronic device further comprises a support element.which is arranged between the second conductive element and the second circuit board in the second housing, the second conductive element is electrically connected to the second circuit board via a conductive area of ​​the support element and is electrically connected to the ground of the first circuit board via the wiring element. OVERVIEW

[0011] One objective to be achieved by the present disclosure is to provide a stable low potential voltage to an organic light-emitting display device.

[0012] Another objective to be achieved by the present disclosure is to provide an organic light-emitting display device which provides a constant ground voltage to a display panel in order to suppress the influence of an electric field generated by a thin-film transistor of the display panel on a touch panel arranged above it.

[0013] Another objective to be achieved by the present disclosure is to reduce a voltage difference between a display panel and a touch panel in order to reduce touch noise.

[0014] Another objective to be achieved by the present disclosure is to provide a foldable display device with improved touch performance.

[0015] The objectives of this disclosure are not limited to those mentioned above, and other objectives not mentioned above can be clearly understood by experts based on the following descriptions.

[0016] According to one aspect of the present invention, an organic light-emitting display device comprises an organic light-emitting display panel having a plurality of subpixels; a touch panel on the organic light-emitting display panel; a support element arranged under the organic light-emitting display panel and formed from a metal material; a first flexible circuit film arranged on one side of the organic light-emitting display panel and bent towards a lower surface of the support element; a second flexible circuit film arranged on one side of the touch panel and bent towards the lower surface of the support element; a third flexible circuit film arranged on one side of the organic light-emitting display panel and bent towards the lower surface of the support element for stabilizing a low potential voltage;a first printed circuit board connected to the first flexible circuit film and comprising a driver circuit providing a low-potential voltage from a low-potential line; a second printed circuit board connected to the second flexible circuit film and comprising a driver circuit providing a touch signal to the touch panel, wherein the first printed circuit board (PCB1) and the second printed circuit board are electrically connected to the support part; a first conductive adhesive bonding agent that bonds the first printed circuit board and the support part; a second conductive adhesive bonding agent that bonds the second printed circuit board and the support part;and a first conductive fiber tape that bonds and electrically connects the third flexible circuit film and a lower surface of the support part, wherein the first conductive fiber tape covers at least a part of the third flexible circuit film and the second circuit board such that the second circuit board and the third flexible circuit film are in contact with the lower surface of the support part, wherein the first flexible circuit film transmits various signals from the first circuit board to the display panel, wherein the second flexible circuit film transmits signals output by the second circuit board to the touch panel, and wherein the first flexible circuit film, the second flexible circuit film, and the third flexible circuit film are grounded at the support part.

[0017] Other detailed items of the exemplary embodiments are included in the detailed description and the figures.

[0018] According to the present disclosure, a flexible circuit film having a conductive layer is additionally arranged to stabilize a low potential voltage which is provided to a cathode of the display panel to suppress the rise of the low potential voltage.

[0019] According to the present disclosure, an organic light-emitting display device can be provided which realizes a mass structure which is electrically connected to a display panel and a mass using a support part formed from a metallic material such as stainless steel (SUS).

[0020] According to the present disclosure, voltage fluctuation and electric field generated by the display panel can be suppressed by using a mass structure of the support part to reduce noise from the touch panel.

[0021] According to the present disclosure, a foldable display device can be provided which reduces a voltage difference between a display panel and a touch panel to reduce touch noise and improve touch performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and other aspects, features and further advantages of the present disclosure of the invention will be more clearly understood with reference to the following detailed description in combination with the accompanying figures, wherein: Fig. 1 a top view of an organic light-emitting display device according to an exemplary embodiment of the present disclosure; Fig. 2 a rear view of an organic light-emitting display device according to an exemplary embodiment of the present disclosure; Fig. 3A a cross-sectional view is shown along line II' from Fig. 2; Fig. 3B a cross-sectional view is taken along line II-II' from Fig. 2; Fig. 3C a cross-sectional view is along III-III' from Fig. 2; Fig. 4 a top view of an organic light-emitting display device according to a further exemplary embodiment of the present disclosure; Fig. 5 a rear view of an organic light-emitting display device according to a further exemplary embodiment of the present disclosure; Fig. 6A a cross-sectional view is taken along line IV-IV' from Fig. 5; Fig. 6B a cross-sectional view is shown along line VV' from Fig. 5; Fig. 7 an enlarged cross-sectional view of an organic light-emitting display device according to yet another exemplary embodiment of the present disclosure; Fig. 8 a rear view of an organic light-emitting display device according to yet another exemplary embodiment of the present disclosure; Fig. 9A a cross-sectional view is shown along line VI-VI' from Fig. 8; Fig. 9B a cross-sectional view is shown along line VII-VII' from Fig. 8; and Fig. 10A and Fig. 10B Noise sensitivity measurement graphs of a touch panel in an organic light-emitting display device according to the exemplary embodiment and a comparative example are shown. DETAILED DESCRIPTION OF THE EXECUTION EXAMPLE

[0023] The advantages and properties of this disclosure and a method for achieving these advantages and properties will become clear with reference to the exemplary embodiments described in detail below, together with the accompanying figures. The exemplary embodiments are provided only as examples so that persons skilled in the art may fully understand the information and scope of this disclosure.

[0024] The shapes, sizes, ratios, angles, numbers, and the like shown in the accompanying figures to describe exemplary embodiments of the present disclosure are merely examples. The same reference numerals generally denote the same elements throughout the entire specification. Furthermore, a detailed explanation of known related technologies may be omitted in the following description of the present disclosure to avoid unnecessarily obscuring the subject matter of the present disclosure. Terms used herein, such as "include," "have," and "consist of," are generally intended to permit the addition of other components unless the terms are used with the term "only." Any reference to the singular includes the plural unless explicitly stated otherwise.

[0025] Components are understood to include a normal error range, even if this is not explicitly mentioned.

[0026] When the positional relationship between two parts is described using terms such as "on", "above", "below", and "next to", one or more parts may be positioned between the two parts unless the terms are used with the term "immediately" or "directly".

[0027] If one element or layer is positioned "on" another element or layer, another layer or element can be inserted directly on top of the other element or in between.

[0028] Although the terms "first," "second," and the like can be used to describe different components, the components are not limited by these terms. These terms are only used to distinguish one component from the others. Therefore, a first component mentioned below could be a second component according to a technical concept of the present disclosure.

[0029] The same reference numbers generally denote identical elements throughout the specification.

[0030] The size and thickness of each component shown in the figures are presented for the convenience of description, and the present disclosure is not limited to the size and thickness of the component shown.

[0031] The features of different embodiments of the present disclosure may be partially or fully realized or combined with one another, and may be connected with one another and operated in technically different ways, and the embodiments may be carried out independently of one another or in combination with one another.

[0032] In the following, an organic light-emitting display device according to exemplary embodiments of the present disclosure is described in detail with reference to the attached figures.

[0033] Fig. Figures 1 to 3C are illustrations to explain an organic light-emitting display device according to an exemplary embodiment of the present disclosure. Fig. Figure 1 is a top view of an organic light-emitting display device according to an exemplary embodiment of the present disclosure. Fig. Figure 2 is a rear view of an organic light-emitting display device according to an exemplary embodiment of the present disclosure. Fig. 3A is a cross-sectional view along line II' from Fig. 2. Fig. 3B is a cross-sectional view along line II-II' from Fig. 2. Fig. 3C is a cross-sectional view along line III-III' from Fig. 2.

[0034] An organic light-emitting display device 100 according to an exemplary embodiment of the present disclosure comprises a display panel 110, a touch panel 130, a support part 120, a first flexible circuit film FF1, a second flexible circuit film FF2, a third flexible circuit film FF3, a first printed circuit board PCB1 and a second printed circuit board PCB2.

[0035] Referring to Fig. 1. According to the exemplary embodiment of the present disclosure, the organic light-emitting display device 100 has a display area DA and a non-display area NDA. The display area DA is an area where a plurality of pixels are arranged to essentially display images. Within the display area DA, a plurality of pixels can be arranged, each pixel comprising an emission area for displaying images, a thin-film transistor for operating the pixels, a capacitor, and the like. A pixel can have a plurality of subpixels SP. The subpixel SP is a minimal unit that configures the display area, and each subpixel SP can be configured to emit light of a specific wavelength band. For example, each of the subpixels SP can be configured to emit red light, green light, blue light, or white light. The non-display area NDA is arranged to enclose the display area DA.The non-display area (NDA) is an area where images are not substantially displayed, and it contains various wiring lines, driver ICs, and similar components for driving the pixels and driver elements located in the display area (DA). For example, the NDA may contain various driver ICs such as a gate driver IC and a data driver IC, VSS lines, and similar components.

[0036] Referring to Fig. 1. According to the exemplary embodiment of the present disclosure, the organic light-emitting display device 100 can be a foldable display device which is folded in one direction. In this case, the organic light-emitting display device 100 has a fold area FA and a non-fold area NFA. The fold area FA is an area which is folded when the organic light-emitting display device 100 is folded and is folded along a specific radius of curvature with respect to a fold axis.

[0037] When the organic light-emitting display device 100 is folded, if the fold area FA is folded with respect to the fold axis, the fold area FA may form part of a circle or an oval. At this point, a radius of curvature of the fold area FA may refer to a radius of a circle or an oval formed by the fold area FA. If an upper surface of the organic light-emitting display device 100, on which images are displayed, is defined as a display surface, and a lower surface of the organic light-emitting display device 100, which is a surface opposite the display surface, is defined as a rear surface, the fold area FA may be folded by a method selected from an outward folding method and an inward folding method.According to the outward folding method, the folding area is folded to expose the display surface of the organic light-emitting display device 100 to the outside, and according to the inward folding method, the folding area is folded so that the display surfaces of the organic light-emitting display device 100 face each other.

[0038] The non-folding area (NFA) is an area that remains unfolded when the organic light-emitting display device 100 is folded. This means that the non-folding area (NFA) maintains a flat state when the organic light-emitting display device 100 is folded. The non-folding area (NFA) can be located on either side of the folding area (FA). That is, the non-folding area (NFA) can be an area extending in either of two lateral directions with respect to the folding axis. In this case, the folding area (FA) can be defined between the non-folding areas (NFAs). Furthermore, when the organic light-emitting display device 100 is folded with respect to the folding axis, the non-folding areas (NFAs) can overlap.

[0039] In Fig. 1 Although it is shown that in the organic light-emitting display device 100 one foldable area FA and two non-foldable areas NFA are arranged, the number and position of the foldable areas FA and the non-foldable areas NFA may vary in different ways, but is not limited to this.

[0040] The Display Panel 110 is a panel in which images are generated. Display elements for generating images, circuit units for operating the display elements, and similar components can be arranged within the display panel. The circuit units can include various thin-film transistors, capacitors, wiring leads, driver ICs, and similar components for operating the organic light-emitting diode. For example, the circuit units can have various configurations, such as a driver thin-film transistor, a switching thin-film transistor, a storage capacitor, a gate lead, a data lead, a gate driver IC, and a data driver IC, but are not limited to these.

[0041] In particular, the display panel 110 features a flexible substrate, a thin-film transistor and an organic light-emitting diode.

[0042] The flexible substrate can be a very thin plastic substrate to achieve flexibility in the organic light-emitting display device 100. The flexible substrate can be made of an insulating material that exhibits flexibility; for example, the flexible substrate can be an insulating plastic substrate selected from polyimide, polyethersulfone, polyethylene terephthalate, and polycarbonate. However, it is not limited to these materials, and provided the material does not break even when the foldable display device 100 is repeatedly folded, not only plastic but also other materials exhibiting flexibility can be used. The plastic substrate has a relatively weak barrier property against moisture or oxygen, so to compensate for this, the plastic substrate can have a structure in which a plastic film and an inorganic layer are laminated together.For example, the flexible substrate can have a multi-layer structure in which a first plastic film, an inorganic layer and a second plastic film are laminated one after the other, but is not limited to this.

[0043] A thin-film transistor is mounted on the flexible substrate to drive the organic light-emitting diode. The thin-film transistor can be positioned in any of the multiple pixel areas. For example, the driver thin-film transistor has a gate electrode, an active layer, a source electrode, and a drain electrode. Furthermore, the thin-film transistor can additionally include a gate insulating layer, which insulates the gate electrode and the active layer, and an intermediate insulating layer, which insulates the gate electrode from the source electrode and the drain electrode.

[0044] A planarization layer can be placed on the thin-film transistor to planarize a top surface.

[0045] The organic light-emitting diode (OLED) is mounted on the planarization layer. The OLED can have an anode, a cathode, and an intervening organic light-emitting layer. In the OLED, holes injected from the anode and electrodes injected from the cathode can be coupled on the organic light-emitting layer to emit light. Images are presented using the light emitted as described above.

[0046] A low-potential voltage line (VSSL) is arranged on the flexible substrate of the display panel 110 to correspond to the non-display area (NDA). The VSSL is arranged to encircle the display area (DA) along an outer circumference of the display panel 110. The VSSL can be in the form of a closed rectangular ring. The VSSL is made of a metallic material with high conductivity. The VSSL is in contact with the cathode of the organic light-emitting diode (OLED) of the display panel 110 to apply a low-potential voltage to the cathode. Fig. 1. The low-potential voltage line VSSL is connected to the first flexible circuit film FF1 and the third flexible circuit film FF3. The low-potential voltage line VSSL is supplied with low-potential voltages from the first flexible circuit film FF1 and the third flexible circuit film FF3, respectively. The connection of the low-potential voltage line VSSL and the flexible circuit films is described below.

[0047] The support element 120 is positioned beneath the display panel 110. The flexible substrate has excellent flexibility but is relatively thin and has low rigidity compared to a glass substrate. Therefore, when the flexible substrate is folded, it can be difficult to maintain a consistent shape, and when various elements are placed on it, the flexible substrate can sag. To solve this problem, the support element 120 is positioned beneath the display panel 110.

[0048] The support part 120 has a backplate. For example, the backplate can be a metal material such as stainless steel (SUS) or Invar, and can be made of a plastic material such as polymethyl methacrylate (PMMA), polycarbonate (PC), polyvinyl alcohol (PVA), acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), silicone or polyurethane (PU).

[0049] The support element 120 may also include a plate assembly. The plate assembly is arranged under the back plate. The plate assembly is arranged under the back plate to provide additional support for the display panel 110.

[0050] The plate assembly has a top and a bottom surface. The top and bottom surfaces can be integrally formed, and if necessary, either the top or bottom surface can be omitted.

[0051] The underside of the panel can have an opening pattern in a section corresponding to the folding area of ​​the flexible display device 100. This allows the rigidity of the display panel 110 to be increased and the stress during folding to be effectively reduced. For example, the underside of the panel can be made of a metal material such as stainless steel (SUS) or Invar.

[0052] The top surface of the panel can be positioned between the back panel and the bottom surface. The top surface is made of a material with high rigidity to increase the stiffness of the 110-inch display panel. Furthermore, the top surface can prevent the open pattern of the bottom surface from being visible through the 110-inch display panel. For example, the top surface can be made of a metal material such as stainless steel (SUS), Invar, aluminum, or magnesium. Alternatively, the top surface can be made of a plastic material such as polymethyl methacrylate (PMMA) or polycarbonate (PC).

[0053] The touch panel 130 is located on the display panel 110. The touch panel 130 is a panel that receives touch input from a user in relation to the display device. For example, the touch panel 130 can be of a capacitive type, a resistance film type, an ultrasonic type, or an infrared type, and using a capacitive touch panel 130 may be desirable. Although in Fig. Figures 3A to 3C show that the touch panel 130 is arranged above the display panel 110; however, the touch panel 130 can also be arranged below the display panel 110. Furthermore, the touch panel 130 can be integrally formed with the display panel 110.

[0054] The first flexible circuit film FF1 is arranged on one side of the display panel 110. The first flexible circuit film FF1 transmits various signals from the first printed circuit board PCB1 to the display panel 110. A driver circuit (for example, an IC chip) can be mounted within the first flexible circuit film FF1. The driver circuit DIC can generate a data signal or a gate signal, corresponding to a driver energy or various signals transmitted from the first printed circuit board PCB1, and provide the data signal or the gate signal to the thin-film transistor TFT formed on the display panel 110. For this purpose, the driver circuit DIC can include both a data driver, which generates a data signal, and a gate driver, which generates a scan signal, or the data driver and the gate driver can be separate components.In this case, the first flexible circuit film FF1 can transmit signals output from the first printed circuit board PCB1 to the driver circuit DIC, or transmit signals output by the driver circuit DIC to the thin-film transistor TFT formed on the display panel 110. Although described in the present disclosure that the driver circuit DIC can be arranged on the first flexible circuit film FF1, the driver circuit can also be arranged directly on the lower substrate. The first flexible circuit film FF1 can be applied directly to a pad unit provided in a non-display area (NDA) of the display panel 110 using an anisotropic conductive film (ACF).

[0055] The first printed circuit board (PCB1) is attached to the first flexible circuit film (FF1). Specifically, PCB1 is attached to another side of FF1, relative to the side of FF1 that is connected to the display panel 110. PCB1 transmits various signals to the thin-film transistor (TFT) on the display panel 110. For example, a timing circuit and similar components can be located on PCB1. The timing circuit can provide various signals to the driver circuit. For instance, the timing circuit generates a data driver control signal (DDC) and a gate driver control signal (GDC) to provide signals to the driver circuit (DIC).

[0056] The second flexible circuit film FF2 is located on the other side of the touch panel 130. At this point, the other side of the touch panel 130 refers to a side region of the touch panel 130 that corresponds to a side region opposite the one side of the display panel 110 to which the first flexible circuit film FF1 is attached. That is to say, with respect to Fig. 1. The first flexible circuit film FF1 is arranged on an upper side region of the display panel 110, and the second flexible circuit film FF2 is arranged on a lower side region of the touch panel 130, opposite it. The second flexible circuit film FF2 transmits signals output by the second printed circuit board PCB2 to the touch panel 130. The second flexible circuit film FF2 can be attached to a pad unit provided in the non-display area (NDA) of the touch panel 130 using an anisotropic conductive film (ACF).

[0057] The second circuit board, PCB2, is attached to the second flexible circuit film, FF2. Specifically, PCB2 is attached to another side of FF2, relative to the side of FF2 that is connected to the touch panel 130. PCB2 transmits various signals to the touch electrode on the touch panel 130. For example, a touch controller and similar components can be located on PCB2. The touch controller can provide the touch signal to the touch electrode of the touch panel 130. For instance, the touch controller provides a touch driver signal to the touch electrode and receives a touch measurement signal from the measurement signal.The touch control analyzes waveforms and amplitudes of the touch driver signal and the touch measurement signal to detect the position and intensity of the touch input.

[0058] The third flexible circuit film FF3 is located on the other side of the display panel 110. At this point, the other side of the touch panel 130 refers to a side area that corresponds to the opposite side area of ​​the one side of the display panel 110 to which the first flexible circuit film FF1 is attached. That is to say, with respect to Fig. 1. The first flexible circuit film FF1 is arranged on an upper side region of the display panel 110, and the third flexible circuit film FF3 is arranged on a lower side region of the display panel 110, opposite to the first. The third flexible circuit film FF3 can be attached to a pad unit provided in a non-display area (NDA) of the display panel 110 using an anisotropic conductive film (ACF).

[0059] The third flexible circuit film, FF3, is connected to the low-potential voltage line, VSSL, to stabilize a low-potential voltage. This third flexible circuit film, FF3, is located in the non-display area, on the opposite side from the side where the first flexible circuit film, FF1, which applies the low-potential voltage, is formed. This allows for the provision of an additional low-potential voltage to the cathode via the low-potential voltage line, VSSL. For this purpose, the third flexible circuit film, FF3, has a conductive layer made of a low-resistance metallic material.The third flexible circuit film FF3 is electrically connected to the cathode of the display panel 110 via the low-potential voltage line VSSL to compensate for the high resistance of the cathode through the conductive layer and to suppress the rise of the low-potential voltage VSS. Furthermore, the third flexible circuit film FF3 directly provides the low-potential voltage to the cathode to suppress the rise of the low-potential voltage of the cathode electrode.

[0060] In the organic light-emitting display device 100 according to the exemplary embodiment of the present disclosure, the flexible circuit film and the printed circuit board are arranged independently, but a separate flexible circuit film and the printed circuit board are not attached to one another. Instead, the flexible circuit film and the printed circuit board are integrally formed, so that a flexible printed circuit board (FPCB) can be used in which the flexible circuit film itself can serve as a printed circuit board.

[0061] In the following, an arrangement structure of components of the organic light-emitting display device 100 according to the exemplary embodiment of the present disclosure is described in more detail with reference to Fig. 2 to 3C. In Fig. In the organic light-emitting display device 100 according to the exemplary embodiment of the present disclosure, a structure is shown in which a first flexible circuit film FF1, a second flexible circuit film FF2 and a third flexible circuit film FF3 are bent in one direction to be arranged on a lower surface of the support part 120.

[0062] Referring to Fig. In sections 2 to 3C, the first flexible circuit film FF1, the second flexible circuit film FF2, and the third flexible circuit film FF3 are bent downwards towards the display panel 110. At least a portion of each of the bent flexible circuit films FF1, FF2, and FF3 is arranged to face the lower surface of the support element 120.

[0063] At this point, all of the first flexible circuit film FF1, the second flexible circuit film FF2 and the third flexible circuit film FF3 can be electrically connected to the lower surface of the support part 120, which has a ground voltage.

[0064] Firstly, referring to Fig. 3A is the first printed circuit board (PCB1), which is connected to the first flexible circuit film (FF1) and attached to the lower surface of the support element 120 by means of a first conductive adhesive 141. The first conductive adhesive 141 is a double-sided adhesive tape that exhibits conductivity. This allows the first flexible circuit film (FF1) to provide a ground path between the first printed circuit board (PCB1) and the display panel 110. Accordingly, the first flexible circuit film (FF1) can have a ground structure that is electrically connected to the ground of the support element 120 via the first printed circuit board (PCB1) and the first conductive adhesive 141.

[0065] Furthermore, the second circuit board PCB2, which is connected to the second flexible circuit film FF2, is attached to the lower surface of the support part 120 by means of a second conductive adhesive 142. The second conductive adhesive 142 is a double-sided adhesive tape that exhibits conductivity. This allows the second flexible circuit film FF2 to provide a ground path between the second circuit board PCB2 and the touch panel 130. Accordingly, the second flexible circuit film FF2 can have a ground structure that is electrically connected to the ground of the support part 120 by means of the second circuit board PCB2 and the second conductive adhesive 142.

[0066] Referring to Fig. 3B, the third flexible circuit film FF3 is attached to be in direct contact with the lower surface of the support part 120 by means of a first conductive fiber tape 150. The third flexible circuit film FF3 has a flexible base layer FB, thin film conductors TL1 and TL2 arranged on both surfaces of the flexible base layer FB, and an insulating layer ES covering part of the thin film conductors TL1 and TL2. To be precise, the third flexible circuit film FF3 has a flexible base layer FB, a first thin film conductor TL1, a second thin film conductor TL2, and an insulating layer ES. The first thin film conductor TL1 is arranged on a surface of the flexible base layer FB that faces the lower surface of the support part 120 during bending.The second thin-film conductor TL2 is arranged on the opposite surface of the flexible base layer FB, which is the opposite surface to the surface facing the lower surface of the support part 120 during bending. Furthermore, the insulating layer ES covers at least part of the first thin-film conductor TL1 and the second thin-film conductor TL2.

[0067] At this point, the first thin-film conductor TL1 in the third flexible circuit film FF3, which faces the lower surface of the support part 120 during bending, is in direct contact with the lower surface of the support part 120. Furthermore, the first conductive fiber tape 150 is attached to the second thin-film conductor TL2 after bending the third flexible circuit film FF3, so that the third flexible circuit film FF3 and the support part 120 are in physical contact with each other for fastening. The first conductive fiber tape 150 adheres to one surface, so that one lower surface of the support part 120 and the other surface of the third flexible circuit film FF3 are attached simultaneously. Furthermore, the first conductive fiber tape 150 can electrically connect the second thin-film conductor TL2, which is formed on the other surface of the third flexible circuit film FF3, and the lower surface of the support part 120.This allows the third flexible circuit film FF3 to provide a ground path between the support element 120 and the display panel 110. Accordingly, the third flexible circuit film FF3 has a ground structure that is electrically connected to the ground of the support element 120 by means of a structure in which the support element 120 and the first thin-film conductor TL1 are in direct contact with each other, and a structure in which the support element 120 and the second thin-film conductor TL2 are electrically connected by means of the first conductive fiber tape 150.

[0068] As described above, the first conductive fiber tape 150 electrically bonds and connects the third flexible circuit film FF3 and the lower surface of the support part 120. Furthermore, with reference to Fig. 2 The first conductive fiber tape 150 covers at least part of the third flexible circuit film FF3 and the second printed circuit board PCB2 and is positioned to be in contact with the lower surface of the support element 120. The third flexible circuit film FF3 and the second printed circuit board PCB2 are attached to the support element 120 and fastened to each other by means of the first conductive fiber tape 150. Furthermore, the first conductive fiber tape 150 electrically connects the third flexible circuit film FF3, the second printed circuit board PCB2, and the support element 120. This allows the ground voltage of the support element 120 to be applied to the second flexible circuit film FF2 and the third flexible circuit film FF3. Fig. Figure 2 shows that the first conductive fiber tape 150 does not cover the second flexible circuit film FF2, but it is not limited to this, and the first conductive fiber tape 150 can be applied to cover part of the second flexible circuit film FF2.

[0069] Meanwhile, referring to Fig. 2 is a second conductive fiber tape 155, which is attached to a part of the support element 120, arranged to cover a part of the second printed circuit board PCB2. The second conductive fiber tape 155 electrically connects the ground electrode formed in the second printed circuit board PCB2 and the support element 120 to reduce resistance. Referring to Fig. 3C, the second conductive fiber tape 155 can be attached to cover one side of the second printed circuit board PCB2 and one side surface of the support part 120. That is, the second conductive fiber tape 155 can be arranged continuously to cover one surface and one side surface of the second printed circuit board PCB2 and parts of the bottom surface and side surface of the support part 120.

[0070] Fig. Figures 4 to 6B are illustrations to explain an organic light-emitting display device according to a further exemplary embodiment of the present disclosure. Fig. Figure 4 is a top view of an organic light-emitting display device according to a further exemplary embodiment of the present disclosure. Fig. Figure 5 is a rear view of an organic light-emitting display device according to a further exemplary embodiment of the present disclosure. Fig. 6A is a cross-sectional view along line IV-IV' from Fig. 5. Fig. 6B is a cross-sectional view along line VV' from Fig. 5. One in Fig. The organic light-emitting display device 200 shown in Figures 4 to 6B is essentially the same as that shown in Figures 4 to 6B. Fig. The organic light-emitting display device 100 shown in Figures 1 to 3B, apart from a connection structure between the second flexible circuit film FF2 and the third flexible circuit film FF3. Therefore, a description of repeated components is omitted.

[0071] An organic light-emitting display device 200 according to a further exemplary embodiment of the present disclosure comprises a display panel 110, a touch panel 130, a support part 120, a first flexible circuit film FF1, a second flexible circuit film FF2, a third flexible circuit film FF3, a first printed circuit board PCB1 and a second printed circuit board PCB2.

[0072] Referring to Fig. 4. The first flexible circuit film FF1 is arranged on one side of the display panel 110 and is attached to the first printed circuit board PCB1. Furthermore, the second flexible circuit film FF2 is arranged on the other side of the touch panel 130, and the third flexible circuit film FF3 is also arranged on the other side of the display panel 110. At this point, the second flexible circuit film FF2 and the third flexible circuit film FF3 are attached to the second flexible printed circuit board PCB2. The second printed circuit board PCB2 provides various touch signals to a touch electrode formed on the touch panel 130 via the second flexible circuit film FF2. Furthermore, the second printed circuit board PCB2 is connected to the support element 120 via the ground line. In particular, the second printed circuit board PCB2 is attached to the lower surface of the support element 120 by means of the second conductive adhesive 142.This electrically connects the ground line of the second circuit board PCB2 and the support element 120 via the second conductive adhesive 142. The second circuit board PCB2 can apply the ground voltage of the support element 120 to the low-potential voltage line VSSL via the third flexible circuit film FF3. This allows the third flexible circuit film FF3 to provide a ground path between the second circuit board PCB2 and the display panel 110.

[0073] Meanwhile, referring to Fig. 5 The first conductive fiber tape 150 covers at least part of the second printed circuit board PCB2 and is positioned to be in contact with the lower surface of the support element 120. The second printed circuit board PCB2 is electrically connected to the support element 120 by means of the second conductive adhesive 142 and is further connected to the support element 120 by means of the first conductive fiber tape 150 to compensate for the resistance. Therefore, the change in the ground voltage is minimized for applying the ground voltage to the low-potential line VSSL by means of the second printed circuit board PCB2 and the third flexible circuit film FF3.

[0074] Fig. Figure 7 is an enlarged cross-sectional view of an organic light-emitting display device according to yet another exemplary embodiment of the present disclosure. A Fig. The organic light-emitting display device 300 shown in Figure 7 is essentially the same as the one shown in Figure 7. Fig. The organic light-emitting display device 100 shown in Figures 1 to 3B, apart from a support structure 320 formed by a top plate 321 and a bottom plate 322, is described below. Therefore, a description of repeated components is omitted.

[0075] Referring to Fig. Figure 7 comprises a support element 320, a top plate 321 arranged below the display panel 110, and a bottom plate 322 arranged below the top plate 321. The top plate 321 and the bottom plate 322 are made of a metallic material such as stainless steel SUS or Invar.

[0076] At this point, the first conductive fiber tape 150 attaches the second printed circuit board PCB2 to the rear surface of the support part 320 and connects it electrically. Furthermore, the second conductive fiber tape 355 also attaches the second printed circuit board PCB2 to the support part 320 and connects it electrically. With particular reference to Fig. 7 The second conductive fiber tape 355 is arranged on a surface of the second printed circuit board PCB2 to cover a portion of the second printed circuit board PCB2, and then on portions of a bottom surface and a side surface of the support part 320. As the organic light-emitting display device 300 in Fig. Figure 7 shows that when the support part 320 comprises the top surface 321 and the bottom surface 322 of the plate, the second conductive fiber tape 355 is in contact with a lower surface, a side surface, and part of an upper surface of the bottom surface 322 of the plate, and with a side surface and part of the upper surface of the top surface 321 of the plate. The second conductive fiber tape 355 is arranged to be in contact with both the bottom surface 322 and the top surface 321 of the plate simultaneously to increase the contact area with the support part 320 and thus reduce contact resistance. Furthermore, the top surface 321 of the plate is arranged to be close to the display panel 110 so that any noise radiated by the thin-film transistor during operation of the display panel 110 can be more easily reduced by the top surface 321 of the plate located below it.

[0077] Fig. Figures 8 to 9B are illustrations to explain an organic light-emitting display device according to yet another exemplary embodiment of the present disclosure. Fig. Figure 8 is a rear view of an organic light-emitting display device according to yet another exemplary embodiment of the present disclosure. Fig. 9A is a cross-sectional view along line VI-VI' from Fig. 8. Fig. 9B is a cross-sectional view along line VII-VII' from Fig. 8. One in Fig. The organic light-emitting display device 400 shown in Figures 8 to 9B is essentially the same as the one shown in Figure 8 to 9B. Fig. The organic light-emitting display device 100 shown in Figures 1 to 3B is described, except that it further includes a carbon plate 460. Therefore, a description of repeated components is omitted.

[0078] Referring to Fig. According to another exemplary embodiment of the present disclosure, the organic light-emitting display device 400, as described in Figures 8 to 9B, further comprises a carbon plate 460 arranged under the support part 120.

[0079] The carbon plate 460 can be formed by immersing or dispersing a plurality of carbon fibers in a synthetic resin, but is not limited to this. The carbon fiber does not absorb moisture, so it has excellent moisture resistance. Furthermore, the carbon fiber has excellent mechanical properties, so that it can achieve high mechanical stiffness even at a small thickness. Accordingly, the overall stiffness of the organic light-emitting display device 400 can be improved. In addition, the carbon plate 460 exhibits conductivity. Therefore, in the organic light-emitting display device 400 according to yet another exemplary embodiment of the present disclosure, the carbon plate 460 can provide a mass together with the support element 120.

[0080] A pair of 460 carbon sheets can be provided so that the 400 organic light-emitting display device can be folded. The 460 carbon sheet has high mechanical stiffness, which can make folding it difficult. Therefore, the 460 carbon sheets are arranged to correspond to the non-folding areas and are spaced apart to correspond to the folding area. A pair of 460 carbon sheets is connected by a hinge structure to achieve the folding action.

[0081] Referring to Fig. 9A is the second printed circuit board PCB2, which is connected to the second flexible circuit film FF2 and attached to the lower surface of the carbon plate 460 by means of a second conductive adhesive 142. Accordingly, the second flexible circuit film FF2 can have a ground structure which is electrically connected to the ground of the carbon plate 460 by means of the second printed circuit board PCB2 and the second conductive adhesive 142. Furthermore, the second printed circuit board PCB2 is attached to and electrically connected to the carbon plate 460 by means of the first conductive fiber tape 150. The first conductive fiber tape 150 attaches the second printed circuit board PCB2 to the lower surface of the carbon plate 460 and connects it electrically to it. The first conductive fiber tape 150 covers at least part of the second printed circuit board PCB2 and is attached to be in contact with the lower surface of the carbon plate 460.

[0082] Referring to Fig. 9B is a second conductive fiber tape 455, which is attached to a portion of the carbon plate 460 and arranged to cover a portion of the second printed circuit board PCB2. The second conductive fiber tape 455 electrically connects the ground electrode formed in the second printed circuit board PCB2 and the carbon plate 460 to reduce resistance. The second conductive fiber tape 455 is attached to cover one side of the second printed circuit board PCB2 and one side face of the carbon plate 460. This means that the second conductive fiber tape 455 can be arranged continuously to cover one face and one side face of the second printed circuit board PCB2, one face and one side face of the carbon plate 460, and part of the lower surface of the support part 120.

[0083] The organic light-emitting display device 400 according to yet another exemplary embodiment of the present disclosure further comprises the carbon plate 460 for improving rigidity. When the carbon plate 460 is arranged under the support part 120, which is formed from a metallic material, a mass structure, which is electrically connected to the mass of the carbon plate 460, can be implemented by using the printed circuit board and the flexible circuit film.

[0084] The effects of the present disclosure are described in more detail below with reference to exemplary embodiments and a comparative example. However, the following exemplary embodiments are presented to illustrate the present disclosure. Exemplary embodiment

[0085] As described in an exemplary embodiment of the present disclosure, when an organic light-emitting display device with a structure in which the display panel and the support part were grounded by means of the first flexible circuit film, the touch panel and the support part were grounded by means of the second flexible circuit film, and the display panel and the support part were operated by means of the third flexible circuit film which applies an additional low potential voltage, a noise sensitivity generated in the touch panel was measured. comparative example

[0086] In contrast to the exemplary embodiment, when an organic light-emitting display device was operated in which the first flexible circuit film and the second flexible circuit film were not connected to ground by means of the support part and the third flexible circuit film was not provided, a noise sensitivity generated in the touch panel was measured.

[0087] Fig. 10A and Fig. Figure 10B are noise sensitivity measurement graphs of a touch panel in an organic light-emitting display device according to the exemplary embodiment and a comparative example. Fig. 10A is the noise sensitivity of a touch panel, measured using a measuring electrode, and Fig. 10B is the noise sensitivity of a touch panel, measured using a measuring electrode.

[0088] Referring to Fig. 10A and Fig.10B confirms that when the first flexible circuit film, the second flexible circuit film and the third flexible circuit film are connected to the support substrate to form a mass structure that is electrically connected to the mass of the support part, noise generated in the touch panel when the display panel is in operation is significantly reduced.

[0089] The exemplary embodiments of the present disclosure can also be described as follows:

[0090] According to one aspect of the present invention, an organic light-emitting display device is provided. The organic light-emitting display device comprises an organic light-emitting display panel having a plurality of subpixels, a touch panel on the organic light-emitting display panel, a support element arranged below the organic light-emitting display panel and formed from a metal material, a first flexible circuit film arranged on one side of the organic light-emitting display panel and bent towards a lower surface of the support element, a second flexible circuit film arranged on one side of the touch panel and bent towards the lower surface of the support element, and a third flexible circuit film.which is arranged on one side of the organic light-emitting display panel and bent towards the lower surface of the support part to stabilize a low-potential voltage, a first printed circuit board connected to the first flexible circuit film and comprising a driver circuit which provides a low-potential voltage from a low-potential line, a second printed circuit board connected to the second flexible circuit film and comprising a driver circuit which provides a touch signal to the touch panel, wherein the first printed circuit board (PCB1) and the second printed circuit board are electrically connected to the support part, a first conductive adhesive which bonds the first printed circuit board and the support part, a second conductive adhesive which bonds the second printed circuit board and the support part, and a first conductive fiber tape,The first conductive fiber tape bonds and electrically connects the third flexible circuit film and a lower surface of the support structure. The first conductive fiber tape covers at least part of the third flexible circuit film and the second circuit board, such that the second circuit board and the third flexible circuit film are in contact with the lower surface of the support structure. The first flexible circuit film transmits various signals from the first circuit board to the display panel. The second flexible circuit film transmits signals output by the second circuit board to the touch panel. The first, second, and third flexible circuit films are grounded to the support structure.

[0091] The first flexible circuit film, the second flexible circuit film, and the third flexible circuit film can be electrically connected.

[0092] The organic light-emitting display can further include the low-potential voltage line, which is arranged on the organic light-emitting display panel to provide the low-potential voltage to the majority of subpixels. The low-potential voltage line can be electrically connected to the first flexible circuit film and the third flexible circuit film.

[0093] The first conductive fiber tape can be in contact with the second circuit board, the third flexible circuit film and the support part to be electrically connected.

[0094] The third flexible circuit film can comprise a flexible base layer, a first thin-film conductor arranged on one surface of the flexible base layer to face the lower surface of the support during bending, a second thin-film conductor arranged on the other surface of the flexible base layer, and an insulating layer covering at least part of the second thin-film conductor. The first thin-film conductor can be in direct contact with the support, and the first conductive fiber tape can be attached to the second thin-film conductor and the lower surface of the support.

[0095] The organic light-emitting display device may further include a second conductive fiber ribbon attached to the second circuit board and the support part to electrically connect the support part and a ground electrode formed on the second circuit board.

[0096] The second conductive fiber tape can be arranged continuously to cover part of a bottom surface and a side surface of the second printed circuit board and part of the bottom surface and a side surface of the support part.

[0097] The support part can have a plate top arranged below the organic light-emitting display panel and a plate bottom arranged below the plate top, and the second conductive fiber tape can be in contact with part of a bottom surface, a side surface and a top surface of the plate bottom and in contact with part of a side surface and a top surface of the plate top.

[0098] The organic light-emitting display device can further comprise a carbon plate under the support part and a first conductive fiber tape which is attached to cover at least a part of the second circuit board and the third flexible circuit film, such that the second circuit board and the third flexible circuit film are in contact with a lower surface of the carbon plate.

[0099] The organic light-emitting display device may further include a second conductive fiber tape arranged continuously to cover part of the second circuit board, part of the carbon plate and part of the support part for electrically connecting the second circuit board to the support part and the carbon plate.

Claims

[1] An organic light-emitting display device (100, 200, 300, 400) comprising: an organic light-emitting display panel (110) having a plurality of subpixels; a touch panel (130) on the organic light-emitting display panel (110); a support element (120, 320) which is arranged under the organic light-emitting display panel (110) and is made of a metal material; a first flexible circuit film (FF1) which is arranged on one side of the organic light-emitting display panel (110) and is bent towards a lower surface of the support part (120, 320); a second flexible circuit film (FF2) which is arranged on one side of the touch panel (130) and is bent towards the lower surface of the support part (120, 320); a third flexible circuit film (FF3) which is arranged on one side of the organic light-emitting display panel (110) and is bent towards the lower surface of the support part (120, 320) to stabilize a low potential voltage; a first printed circuit board (PCB1) which is connected to the first flexible circuit film (FF1) and includes a driver circuit which provides the low potential voltage of a low potential voltage line (VSSL); a second printed circuit board (PCB2) which is connected to the second flexible circuit film (FF2) and has a driver circuit which provides a touch signal to the touch panel (130), wherein the first printed circuit board (PCB1) and the second printed circuit board (PCB2) are electrically connected to the support part (120, 320); a first conductive adhesive (141) which bonds the first printed circuit board (PCB1) and the support part (120, 320); a second conductive adhesive (142) which bonds the second printed circuit board (PCB2) and the support part (120, 320); and a first conductive fiber tape (150) that bonds and electrically connects the third flexible circuit film (FF3) and a lower surface of the support part (120, 320), wherein the first conductive fiber tape (150) covers at least a part of the third flexible circuit film (FF3) and the second printed circuit board (PCB2) such that the second printed circuit board (PCB2) and the third flexible circuit film (FF3) are in contact with the lower surface of the support part (120, 320), wherein the first flexible circuit film (FF1) transmits various signals from the first printed circuit board (PCB1) to the display panel (110), wherein the second flexible circuit film (FF2) transmits signals output by the second printed circuit board (PCB2) to the touch panel (130), and wherein the first flexible circuit film (FF1), the second flexible circuit film (FF2) and the third flexible circuit film (FF3) are grounded at the support part (120, 320). [2] The organic light-emitting display device (100, 200, 300, 400) according to claim 1, wherein the first flexible circuit film (FF1), the second flexible circuit film (FF2) and the third flexible circuit film (FF3) are electrically connected. [3] The organic light-emitting display device (100, 200, 300, 400) according to claim 1 or 2, further comprising: the low potential voltage line (VSSL), which is arranged on the organic light-emitting display panel (110) to provide the low potential voltage to the majority of subpixels, wherein the low potential voltage line (VSSL) is electrically connected to the first flexible circuit film (FF1) and the third flexible circuit film (FF3). [4] The organic light-emitting display device (100, 200, 300, 400) according to any one of claims 1 to 3, wherein the first conductive fiber tape (150) is in contact with the second printed circuit board (PCB2), the third flexible circuit film (FF3) and the support part (120, 320) in order to be electrically connected. [5] The organic light-emitting display device (100, 200, 300, 400) according to claim 4, wherein the third flexible circuit film (FF3) comprises a flexible base layer (FB), a first thin-film conductor (TL1) arranged on one surface of the flexible base layer (FB) to face the lower surface of the support part (120, 320) during bending, a second thin-film conductor (TL2) arranged on the other surface of the flexible base layer (FB), and an insulating layer (ES) covering at least a part of the second thin-film conductor (TL2), and the first thin-film line (TL1) is in direct contact with the support part (120, 320), and the first conductive fiber tape (150) is attached to the second thin-film conductor (TL2) and the lower surface of the support part (120, 320). [6] The organic light-emitting display device (100, 200, 300, 400) according to any one of claims 1 to 5, further comprising: a second conductive fiber tape (155, 355, 455) attached to the second circuit board (PCB2) and the support part (120, 320) for electrically connecting the support part (120, 320) and a ground electrode formed on the second circuit board (PCB2). [7] The organic light-emitting display device (100, 200, 300, 400) according to claim 6, wherein the second conductive fiber tape (155, 355, 455) is continuously arranged to cover a part of a bottom surface and a side surface of the second printed circuit board (PCB2) and a part of the bottom surface and a side surface of the support part (120, 320). [8] The organic light-emitting display device (100, 200, 300, 400) according to claim 6 or 7, wherein the support part (120, 320) has a plate top (321) arranged below the organic light-emitting display panel (110) and a plate bottom (322) arranged below the plate top (321), and the second conductive fiber tape (155, 355, 455) is in contact with a part of a bottom surface, a side surface and a top surface of the plate bottom (322) and is in contact with a part of a side surface and a top surface of the plate top (321). [9] The organic light-emitting display device (100, 200, 300, 400) according to any one of claims 1 to 5, further comprising: a carbon plate (460) under the support part (120, 320); and wherein the first conductive fiber tape (150) is attached to cover at least part of the second printed circuit board (PCB2) and the third flexible circuit film (FF3), so that the second printed circuit board (PCB2) and the third flexible circuit film (FF3) are in contact with a lower surface of the carbon plate (460). [10] The organic light-emitting display device (100, 200, 300, 400) according to claim 9, further comprising: a second conductive fiber tape (155, 355, 455) which is arranged continuously to cover a part of the second printed circuit board (PCB2), a part of the carbon plate (460) and a part of the support part (120, 320) for electrically connecting the second printed circuit board (PCB2) to the support part (120, 320) and the carbon plate (460).

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