Display device

Abstract

The present disclosure relates to a display device, which includes: a display panel, the display panel having a first side and a second side facing the first side in a first direction, the display panel including a recessed portion, the recessed portion having a recessed shape from the first side of the display panel toward the second side in the first direction, the recessed portion including a side extending from the first side of the display panel; a pad portion, the pad portion being arranged on a front surface of the display panel, the pad portion being adjacent to at least one side of the recessed portion; and a flexible printed circuit (FPC), the flexible printed circuit (FPC) being connected to the pad portion, the flexible printed circuit (FPC) being bent around the at least one side of the recessed portion to a rear surface of the display panel, the rear surface being opposite to the front surface.

Description

Technical Field

[0001] Exemplary embodiments of the present invention relate generally to electronic devices, and more particularly to a display device including a display panel and a flexible printed circuit. Background Art

[0002] A display device such as an organic light emitting display (OLED) and a liquid crystal display (LCD) may include a display panel including pixels for displaying an image. A pad portion for input and output of a signal may be provided on the display panel to control the driving of the display panel. A connection member such as an integrated circuit (IC) chip or a flexible printed circuit (FPC) may be attached to the pad portion.

[0003] The above information disclosed in this Background section is only for understanding the background of the inventive concept and therefore the above information may contain information that does not constitute the prior art. Summary of the invention

[0004] The device constructed according to the exemplary embodiment of the present invention can provide a display device with reduced dead space.

[0005] According to one or more embodiments of the present invention, a display device includes: a display panel, the display panel having a first side and a second side facing the first side in a first direction, the display panel including a recessed portion, the recessed portion having a recessed shape from the first side toward the second side of the display panel in the first direction, the recessed portion including at least one side; a pad portion, the pad portion being arranged on a front surface of the display panel, the pad portion being adjacent to the at least one side of the recessed portion; and a flexible printed circuit (FPC), the flexible printed circuit (FPC) being connected to the pad portion, the FPC being bent around the at least one side of the recessed portion to a rear surface of the display panel, the rear surface being opposite to the front surface.

[0006] The display device may further include a printed circuit board (PCB) on the rear surface of the display panel, the PCB being connected to the FPC.

[0007] The at least one side of the recessed portion may include a first side, a second side, and a third side, the first side being parallel to the first side of the display panel, and the second side and the third side respectively connecting the first side of the recessed portion to the first side of the display panel and facing each other. The pad portion may be disposed adjacent to the first side of the recessed portion.

[0008] The display panel may include: a non-display area adjacent to the first side of the display panel and the first side, the second side, and the third side of the recessed portion; and a display area adjacent to the first side of the display panel and the first side, the second side, and the third side of the recessed portion, and the non-display area is between the display area and the first side of the display panel and the first side, the second side, and the third side of the recessed portion. A distance from the second side of the display panel to an end of the pad portion adjacent to the first side of the recessed portion may be smaller than a distance from the second side of the display panel to an end of the display area adjacent to the first side of the display panel.

[0009] The display device may further include: a plurality of data lines, the plurality of data lines being arranged in the display area and extending along the first direction; and a plurality of output lines, the plurality of output lines being arranged in the non-display area and extending along the non-display area, the plurality of output lines being respectively connected to the plurality of data lines.

[0010] The pad portion may have a width smaller than a width of the recess portion, the width of the recess portion corresponding to a distance between the second side and the third side of the recess portion.

[0011] The FPC may be bent along a bending axis. A distance from the second side of the display panel to the bending axis of the FPC may be smaller than a distance from the second side of the display panel to the first side of the display panel.

[0012] A distance from the second side of the display panel to the bending axis of the FPC may be greater than a distance from the second side of the display panel to the first side of the recessed portion.

[0013] The width of the FPC may be smaller than a width of the recessed portion, the width of the recessed portion corresponding to a distance between the second side and the third side of the recessed portion.

[0014] The display device may further include at least one of a camera module, a sensor module, and a speaker module disposed in the recessed portion.

[0015] According to one or more embodiments of the present invention, a display device includes: a display panel, the display panel having a first side portion and a second side portion facing the first side portion in a first direction, the display panel including a recessed portion, the recessed portion having a recessed shape from the first side portion of the display panel toward the second side portion in the first direction, the recessed portion including a first side portion parallel to the first side portion of the display panel, and a second side portion and a third side portion connecting the first side portion of the recessed portion to the first side portion of the display panel and opposite to each other; a first pad portion, the first pad portion being on a front surface of the display panel, the first pad portion being adjacent to the first side portion of the recessed portion; and a first flexible printed circuit (FPC) connected to the first flexible printed circuit (FPC). To the first pad portion, the first FPC is bent around the first side of the recessed portion to the rear surface of the display panel; a second pad portion, the second pad portion is on the front surface of the display panel, and the second pad portion is adjacent to the second side of the recessed portion; a second FPC, the second FPC is connected to the second pad portion, and the second FPC is bent around the second side of the recessed portion to the rear surface of the display panel; a third pad portion, the third pad portion is on the front surface of the display panel, and the third pad portion is adjacent to the third side of the recessed portion; and a third FPC, the third FPC is connected to the third pad portion, and the third FPC is bent around the third side of the recessed portion to the rear surface of the display panel.

[0016] The display device may further include a printed circuit board (PCB) on the rear surface of the display panel, the PCB being connected to the first FPC, the second FPC, and the third FPC.

[0017] The display panel may include: a non-display area, the non-display area is adjacent to the first side of the display panel and the first side, the second side and the third side of the recessed portion; and a display area, the display area is adjacent to the first side of the display panel and the first side of the recessed portion, and the non-display area is between the display area and the first side of the display panel and the first side of the recessed portion, the second side and the third side. The display device may also include a plurality of data lines, the plurality of data lines are arranged in the display area and extend along the first direction. The plurality of data lines may include: a first data line, in the display area, the first data line is positioned from the recessed portion in the first direction; a second data line, in the display area, the second data line is positioned from the recessed portion in a second direction intersecting the first direction; and a third data line, in the display area, the third data line is positioned from the recessed portion in a third direction opposite to the second direction.

[0018] The display device may further include: a plurality of output lines, the plurality of output lines are arranged in the non-display area, and the plurality of output lines are respectively connected to the plurality of data lines. The plurality of output lines may include: a first output line, the first output line connecting the first pad portion to the first data line; a second output line, the second output line connecting the second pad portion to the second data line; and a third output line, the third output line connecting the third pad portion to the third data line.

[0019] The display device may further include a touch sensing unit disposed on the front surface of the display panel, the touch sensing unit being connected to the second pad portion and the third pad portion.

[0020] The display panel may include: a first substrate; a display unit disposed on the first substrate; and a second substrate on the display unit. The touch sensing unit may be disposed on a front surface of the second substrate.

[0021] The first pad portion may be disposed on a front surface of the first substrate. The second pad portion and the third pad portion may be disposed on the front surface of the second substrate.

[0022] The display panel may include: a flexible substrate; a display unit on the flexible substrate; and an encapsulation layer covering the display unit. The touch sensing unit may be disposed on a front surface of the encapsulation layer.

[0023] The first pad portion, the second pad portion, and the third pad portion may be disposed on a front surface of the flexible substrate.

[0024] The touch sensing unit may include: a plurality of first sensing electrodes extending along the first direction; and a plurality of second sensing electrodes extending along a second direction intersecting the first direction. The second pad portion may be connected to the plurality of first sensing electrodes. The third pad portion may be connected to the plurality of second sensing electrodes.

[0025] The display device according to an exemplary embodiment may include: the recessed portion formed at the first side of the display panel; the pad portion positioned on the front surface of the display panel adjacent to the side of the recessed portion; and the FPC connected to the pad portion and bent around the side of the recessed portion to the rear surface of the display panel. Therefore, the display device according to an exemplary embodiment may have a reduced dead space.

[0026] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification. They illustrate exemplary embodiments of the invention and together with the description serve to explain the inventive concept.

[0028] Figure 1 is a plan view showing a display device according to an exemplary embodiment.

[0029] Figure 2 is a front view showing a display device according to an exemplary embodiment.

[0030] Figure 3 It is shown Figure 2 Rear view of the display device in FIG.

[0031] Figure 4 The diagram is taken along the section line II'. Figure 3 A cross-sectional view of a display device in FIG.

[0032] Figure 5 is a front view showing a display device according to an exemplary embodiment.

[0033] Figure 6 It is shown Figure 5 Rear view of the display device in FIG.

[0034] Figure 7 is a front view showing a display device according to an exemplary embodiment.

[0035] Fig. 8A and Figure 8B It is shown Figure 7 A front view of a touch sensing unit of a display device in FIG.

[0036] Fig. 9 It is shown Figure 7 Rear view of the display device in FIG.

[0037] Fig. 10A The diagram is taken along the section line II-II'. Fig. 9 a cross-sectional view of a display device in FIG. 1 , and Fig. 10B The diagram is taken along the section line III-III'. Fig. 9 A cross-sectional view of a display device in FIG.

[0038] Fig.11 is a front view showing a display device according to an exemplary embodiment.

[0039] Fig.12 It is shown Fig.11 Rear view of the display device in FIG.

[0040] Fig.13A The diagram is taken along the section line IV-IV'. Fig.12 a cross-sectional view of a display device in FIG. 1 , and Fig. 13B The figure shows a section taken along the section line V-V'. Fig.12 A cross-sectional view of a display device in FIG. DETAILED DESCRIPTION

[0041] In the following description, for the purpose of illustration, many specific details are set forth to provide a comprehensive understanding of various exemplary embodiments or implementations of the present invention. As used herein, "embodiment" and "implementation" are interchangeable words as non-limiting examples of devices or methods using one or more inventive concepts disclosed herein. However, it is apparent that various exemplary embodiments can be practiced without these specific details or with one or more equivalent arrangements. In other cases, well-known structures and devices are shown in block diagram form to avoid making various exemplary embodiments unnecessarily obscure. In addition, various exemplary embodiments may be different, but not necessarily exclusive. For example, without departing from the inventive concept, the specific shape, configuration and characteristics of the exemplary embodiment may be used or implemented in another exemplary embodiment.

[0042] Unless otherwise specified, the illustrated exemplary embodiments will be understood as providing exemplary features of different details of some ways in which the inventive concept can be implemented in practice. Therefore, unless otherwise specified, the features, components, modules, layers, films, panels, regions and / or aspects, etc. (hereinafter, individually or collectively referred to as "elements") of the various embodiments may be further combined, separated, interchanged and / or rearranged without departing from the inventive concept.

[0043] The use of cross hatching and / or shading in the drawings is generally provided to make the boundaries between adjacent elements clear. Thus, unless otherwise specified, the presence or absence of cross hatching or shading does not convey or indicate any preference or requirement for the specific material, material properties, size, ratio, commonality between the elements shown, and / or any other characteristics, attributes, or performance of the elements. In addition, in the drawings, the size and relative size of the elements can be magnified for the purpose of clarity and / or description. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed differently from the described order. For example, two processes described in succession can be performed substantially simultaneously or in an order opposite to the described order. In addition, the same reference numerals represent the same elements.

[0044] When an element or layer is described as being "on" another element or another layer, "connected to" another element or another layer, or "bonded to" another element or another layer, the element or layer may be directly on the other element or another layer, directly connected to the other element or another layer, or directly bonded to the other element or another layer, or there may be an intermediate element or intermediate layer. However, when an element or layer is described as being "directly on" another element or another layer, "directly connected to" another element or another layer, or "directly bonded to" another element or another layer, there are no intermediate elements or intermediate layers. For this reason, the term "connection" may refer to a physical connection, an electrical connection, and / or a fluid connection with or without an intermediate element. In addition, the DR1 direction, the DR2 direction, and the DR3 direction are not limited to rectangular coordinate systems such as the x-axis, the y-axis, and the z-axis, and may be interpreted in a broader sense. For example, the DR1 direction, the DR2 direction, and the DR3 direction may represent different directions that are not perpendicular to each other. For the purpose of this disclosure, "at least one of X, Y, and Z" and "at least one selected from the group consisting of X, Y, and Z" may be interpreted as only X, only Y, only Z, or any combination of two or more of X, Y, and Z such as XYZ, XYY, YZ, and ZZ. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0045] Although the terms "first" and "second" etc. may be used herein to describe various types of elements, these elements should not be limited by these terms. These terms are used to distinguish one element from another element. Therefore, without departing from the teachings of the present disclosure, the first element discussed below may be referred to as the second element.

[0046] For descriptive purposes, spatially relative terms such as "under," "below," "below," "down," "above," "up," "above," "higher," or "side" (e.g., as in "sidewall") may be used herein to describe the relationship of one element relative to another (or other) element(s) as shown in the figures. In addition to the orientations depicted in the figures, the spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture. For example, if the device in the figure is flipped, an element described as "under" or "beneath" other elements or other features will subsequently be positioned as "above" the other elements or other features. Thus, the exemplary term "under" may encompass both above and below orientations. Additionally, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations), and as such, the spatially relative descriptors used herein are interpreted accordingly.

[0047] The terms used in the text are for the purpose of describing specific embodiments, rather than being intended to be restrictive. As used in the text, unless the context clearly indicates otherwise, the singular forms "one", "a kind of" and "described" are also intended to include plural forms. In addition, when the term "comprising" is used in this specification, the term description has stated features, integral bodies, steps, operations, elements, assemblies and / or their groups, but does not exclude the existence or addition of one or more other features, other integral bodies, other steps, other operations, other elements, other assemblies and / or their groups. It is also noted that, as used in the text, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that the terms "substantially", "approximately" and other similar terms are used to explain the measured values, calculated values ​​and / or the inherent deviations of the values ​​that will be recognized by those of ordinary skill in the art.

[0048] Various exemplary embodiments are described herein with reference to cross-sectional views and / or exploded views that are schematic diagrams of idealized exemplary embodiments and / or intermediate structures. As such, variations in the shapes of the illustrations due to, for example, manufacturing techniques and / or tolerances are expected. Therefore, the exemplary embodiments disclosed herein should not necessarily be interpreted as being limited to the specific illustrated shapes of the regions, but will include deviations in shapes due to, for example, manufacturing. In this manner, the regions illustrated in the figures may be schematic in nature, and the shapes of these regions may not reflect the actual shapes of the regions of the device, and as such, are not necessarily intended to be restrictive.

[0049] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as those commonly understood by those of ordinary skill in the art to which the present disclosure belongs. Unless explicitly defined as such in the text, terms such as those defined in general dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formalized sense.

[0050] In the following, reference will be made to Figure 1 , Figure 2 , Figure 3 and Figure 4 A display device according to an exemplary embodiment is described.

[0051] Figure 1 is a plan view showing a display device according to an exemplary embodiment. Figure 2 is a front view showing a display device according to an exemplary embodiment. Figure 3 It is shown Figure 2 Rear view of the display device in FIG. Figure 4 The diagram is taken along the section line II'. Figure 3 A cross-sectional view of a display device in FIG.

[0052] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 , a display device according to an exemplary embodiment may include a display panel 110, a pad portion 130, a flexible printed circuit (FPC) 140, and a printed circuit board (PCB) 150. A recessed portion 120 may be formed at one side of the display panel 110.

[0053] The display panel 110 may display an image. The display panel 110 may be any one of an organic light emitting display panel and a liquid crystal display panel.

[0054] In a plan view, the display panel 110 may have a substantially quadrilateral shape. However, the planar shape of the display panel 110 is not limited thereto, and the display panel 110 may have a circular shape or a polygonal shape, etc. The display panel 110 may have a first side portion 110a and a second side portion 110b. The second side portion 110b may be opposite to the first side portion 110a and may be positioned in a first direction DR1 from the first side portion 110a. Here, the first side portion 110a and the second side portion 110b may be an upper side portion and a lower side portion of the display panel 110, respectively.

[0055] A recessed portion 120 having a recessed shape from the first side portion 110a toward the first direction DR1 may be formed at the first side portion 110a of the display panel 110. The recessed portion 120 may include a side portion extending from the first side portion 110a of the display panel 110. In an exemplary embodiment, the recessed portion 120 may include a first side portion 121 parallel to the first side portion 110a of the display panel 110, and a second side portion 122 and a third side portion 123 connecting the first side portion 121 to the first side portion 110a of the display panel 110. The second side portion 122 may extend from one end portion of the first side portion 121, and the third side portion 123 may extend from the other end portion of the first side portion 121. The second side portion 122 and the third side portion 123 may be opposite to each other.

[0056] Some elements included in the display device may be disposed in the recessed portion 120. In an exemplary embodiment, at least one of the camera module 170, the sensor module 180, and the speaker module 190 may be disposed in the recessed portion 120. In this case, in a plan view, the camera module 170, the sensor module 180, and the speaker module 190 may not overlap with the FPC 140 to be described below.

[0057] The display panel 110 may include a display area DA displaying an image and a non-display area NDA adjacent to the display area DA. The non-display area NDA may be positioned between the display area DA and the respective side portions of the display panel 110. For example, the display area DA may be positioned adjacent to the first side portion 121, the second side portion 122, and the third side portion 123 of the recessed portion 120, and the non-display area NDA is between the display area DA and the first side portion 121, the second side portion 122, and the third side portion 123 of the recessed portion 120, and the non-display area NDA may be positioned between the display area DA and the first side portion 110a of the display panel 110 and between the display area DA and the first side portion 121, the second side portion 122, and the third side portion 123 of the recessed portion 120.

[0058] A plurality of pixels PX may be provided in the display area DA of the display panel 110. The plurality of pixels PX may be arranged in a substantially matrix form in the display area DA. The display panel 110 may display an image that is a combination of light emitted from each of the plurality of pixels PX.

[0059] A plurality of data lines DW may be provided in the display area DA. The data lines DW may extend along a first direction DR1 and may be spaced apart from each other in a second direction DR2 crossing the first direction DR1. The data lines DW may supply data voltages for emitting light to the plurality of pixels PX.

[0060] The display panel 110 may include a first substrate 111, a display unit 112, and a second substrate 113. For example, the first substrate 111 may be a transparent insulating substrate including glass or plastic.

[0061] The display unit 112 may be disposed on the first substrate 111. The display unit 112 may include a plurality of pixels PX and may be positioned in the display area DA. For example, when the display panel 110 is an organic light-emitting display panel, each of the plurality of pixels PX included in the display unit 112 may include: at least one thin film transistor, an anode electrode connected to the at least one thin film transistor, a cathode electrode opposite to the anode electrode, and an organic light-emitting layer between the anode electrode and the cathode electrode. In addition, when the display panel 110 is a liquid crystal display panel, each of the plurality of pixels PX included in the display unit 112 may include: at least one thin film transistor, a pixel electrode connected to the at least one thin film transistor, a common electrode opposite to the pixel electrode, a liquid crystal layer between the pixel electrode and the common electrode, and a color filter.

[0062] The second substrate 113 may be disposed on the display unit 112. The second substrate 113 may be opposite to the first substrate 111 with the display unit 112 between the second substrate 113 and the first substrate 111. For example, the second substrate 113 may be a transparent insulating substrate including glass or plastic.

[0063] The sealing unit 114 may be disposed between the first substrate 111 and the second substrate 113 to attach the second substrate 113 to the first substrate 111. The sealing unit 114 may be disposed in the non-display area NDA of the display panel 110 to seal the display unit 112. The sealing unit 114 may include an inorganic material such as frit or an organic material.

[0064] In the non-display area NDA, the pad portion 130 may be disposed on the front surface of the display panel 110. For example, the pad portion 130 may be positioned on the front surface of the first substrate 111. The pad portion 130 may be positioned adjacent to a side portion of the recessed portion 120. In an exemplary embodiment, the pad portion 130 may be positioned adjacent to a first side portion 121 of the recessed portion 120.

[0065] The pad portion 130 may include a plurality of pads PD. The pads PD may be arranged along the second direction DR2. A data voltage may be transmitted from the FPC 140 to each of the pads PD.

[0066] A distance D1 from the second side 110b of the display panel 110 to an end of the pad portion 130 adjacent to the first side 121 of the recessed portion 120 may be smaller than a distance D2 from the second side 110b of the display panel 110 to an end of the display area DA adjacent to the first side 110a of the display panel 110. In other words, the pad portion 130 may be positioned inside the display panel 110, rather than at an end of the display area DA adjacent to the first side 110a of the display panel 110.

[0067] The width W1 of the pad portion 130 may be smaller than the width W2 of the recess portion 120. For example, the width W2 of the recess portion 120 may correspond to the distance between the second side 122 and the third side 123 of the recess portion 120. Therefore, the pad portion 130 may not be adjacent to the second side 122 or the third side 123 of the recess portion 120.

[0068] The pad PD may be connected to the data line DW through a plurality of output lines FW. The output line FW may be disposed in the non-display area NDA. The output line FW may connect the pad PD and the data line DW, and may transmit a data voltage from the pad PD to the data line DW. A first group of output lines FW connected to the pad PD positioned at the center of the pad portion 130 may extend from the pad portion 130 along a first direction DR1, and a second group of output lines FW connected to the pad PD of the pad portion 130 positioned in a second direction DR2 may extend from the pad portion 130 along a second direction DR2. In addition, a third group of output lines FW connected to the pad PD of the pad portion 130 positioned in a third direction DR3 opposite to the second direction DR2 may extend from the pad portion 130 along a third direction DR3.

[0069] The FPC 140 connected to the pad part 130 may be disposed on the front surface of the pad part 130. The FPC 140 may electrically connect the pad part 130 and the PCB 150. The FPC 140 may transmit a data voltage from the PCB 150 to the pad part 130. The FPC 140 may be a display FPC for displaying an image of the display panel 110.

[0070] The FPC 140 may be bent around the side of the recessed portion 120 to the rear surface of the display panel 110. In other words, the first end of the FPC 140 may be positioned on the front surface of the display panel 110, and the second end of the FPC 140 may be positioned on the rear surface of the display panel 110. In an exemplary embodiment, the FPC 140 may be bent along a bending axis BX inside the FPC 140 while being bent around the first side 121 of the recessed portion 120. Here, the bending axis BX of the FPC 140 may be positioned inside the recessed portion 120.

[0071] A distance D3 from the second side 110b of the display panel 110 to the bending axis BX of the FPC 140 may be smaller than a distance D4 from the second side 110b of the display panel 110 to the first side 110a of the display panel 110. In other words, the bending axis BX of the FPC 140 may be positioned inside the display panel 110, rather than at the first side 110a of the display panel 110.

[0072] A distance D3 from the second side 110b of the display panel 110 to the bending axis BX of the FPC 140 may be greater than a distance D5 from the second side 110b of the display panel 110 to the first side 121 of the recessed portion 120. In other words, the bending axis BX of the FPC 140 may be positioned inside the recessed portion 120, and in a plan view, the FPC 140 may partially overlap the recessed portion 120.

[0073] The width W3 of the FPC 140 may be smaller than the width W2 of the recessed portion 120 . Therefore, the FPC 140 may not be adjacent to the second side portion 122 or the third side portion 123 of the recessed portion 120 .

[0074] In a display device according to conventional technology, the pad portion may be positioned in a non-display area adjacent to the lower side of the display panel, and the FPC may be bent around the lower side of the display panel. Therefore, in a plan view, the useless space of the display device may increase the length of the FPC. However, in a display device according to an exemplary embodiment, the pad portion 130 may be positioned in a non-display area NDA adjacent to the first side portion 110a of the display panel 110 in which the recessed portion 120 is formed, and the FPC 140 may be bent around the side of the recessed portion 120 of the display panel 110. Therefore, the useless space of the display device may be reduced.

[0075] The PCB 150 connected to the FPC 140 may be positioned on the rear surface of the display panel 110. For example, the PCB 150 may be disposed on the rear surface of the first substrate 111. The PCB 150 may be electrically connected to the display panel 110 through the FPC 140.

[0076] In the following, reference will be made to Figure 5 and Figure 6 A display device according to an exemplary embodiment is described.

[0077] Figure 5 is a front view showing a display device according to an exemplary embodiment. Figure 6 It is shown Figure 5 Rear view of the display device in FIG.

[0078] Reference Figure 5 and Figure 6According to an exemplary embodiment, the display device may include: a display panel 210, a first pad portion 231, a second pad portion 232, a third pad portion 233, a first flexible printed circuit (FPC) 241, a second FPC 242, a third FPC 243, and a printed circuit board (PCB) 250. The recessed portion 220 may be formed at one side portion (e.g., the first side portion 210a) of the display panel 210. The description of the embodiment according to the reference will not be repeated. Figure 1 , Figure 2 , Figure 3 and Figure 4 The elements of the display device of the exemplary embodiment are substantially the same or similar to those of the reference Figure 5 and Figure 6 A detailed description of elements of a display device of an exemplary embodiment is provided.

[0079] A plurality of data lines DW1, DW2, and DW3 may be provided in the display area DA. The data lines DW1, DW2, and DW3 may include a first data line DW1 positioned in a first direction DR1 from the recessed portion 220 in the display area DA, a second data line DW2 positioned in a second direction DR2 from the recessed portion 220 in the display area DA, and a third data line DW3 positioned in a third direction DR3 from the recessed portion 220 in the display area DA. The data lines DW1, DW2, and DW3 may extend along the first direction DR1 and may be spaced apart from each other in the second direction DR2. The data lines DW1, DW2, and DW3 may supply data voltages for emitting light to the plurality of pixels PX.

[0080] In the non-display area NDA, the first pad portion 231, the second pad portion 232, and the third pad portion 233 may be disposed on the front surface of the display panel 210. For example, the first pad portion 231, the second pad portion 232, and the third pad portion 233 may be positioned on the front surface of the first substrate 211. The first pad portion 231, the second pad portion 232, and the third pad portion 233 may be positioned adjacent to the side of the recessed portion 220. In an exemplary embodiment, the first pad portion 231, the second pad portion 232, and the third pad portion 233 may be positioned adjacent to the first side portion 221, the second side portion 222, and the third side portion 223 of the recessed portion 220, respectively. For example, Figure 5 The first pad portion 231 of the display device can be connected to Figure 2 The pad portion 130 of the display device is basically the same.

[0081] The first pad portion 231 may include a plurality of first pads PD1, the second pad portion 232 may include a plurality of second pads PD2, and the third pad portion 233 may include a plurality of third pads PD3. The first pads PD1 may be arranged along the second direction DR2, and the second pads PD2 and the third pads PD3 may be arranged along the first direction DR1. A data voltage may be transmitted from the first FPC 241 to each of the first pads PD1, a data voltage may be transmitted from the second FPC 242 to each of the second pads PD2, and a data voltage may be transmitted from the third FPC 243 to each of the third pads PD3.

[0082] The first pad PD1 may be connected to the first data line DW1 through a plurality of first output lines FW1, and the first output line FW1 may be disposed in the non-display area NDA. The first output line FW1 may connect the first pad PD1 and the first data line DW1, and may transmit a data voltage from the first pad PD1 to the first data line DW1. The first group of first output lines FW1 connected to the first pad PD1 positioned at the center of the first pad portion 231 may extend from the first pad portion 231 along the first direction DR1, and the second group of first output lines FW1 connected to the first pad PD1 of the first pad portion 231 positioned in the second direction DR2 or the third direction DR3 may extend from the first pad portion 231 along the second direction DR2 or the third direction DR3.

[0083] The second pad PD2 may be connected to the second data line DW2 through a plurality of second output lines FW2, and the third pad PD3 may be connected to the third data line DW3 through a plurality of third output lines FW3. The second output lines FW2 and the third output lines FW3 may be disposed in the non-display area NDA. The second output line FW2 may connect the second pad PD2 and the second data line DW2, and may transmit a data voltage from the second pad PD2 to the second data line DW2. In addition, the third output line FW3 may connect the third pad PD3 and the third data line DW3, and may transmit a data voltage from the third pad PD3 to the third data line DW3. The second output line FW2 connected to the second pad PD2 may extend from the second pad portion 232 along the second direction DR2, and the third output line FW3 connected to the third pad PD3 may extend from the third pad portion 233 along the third direction DR3.

[0084] The first FPC 241 connected to the first pad portion 231 may be disposed on the front surface of the first pad portion 231. The first FPC 241 may electrically connect the first pad portion 231 and the PCB 250. The first FPC 241 may be bent around the side of the recessed portion 220 to the rear surface of the display panel 210. The first FPC 241 may be bent along a bending axis inside the first FPC 241 while being bent around the first side 221 of the recessed portion 220. For example, Figure 5 The first FPC 241 of the display device can be connected with Figure 2 The FPC 140 of the display device in FIG. 1 is basically the same.

[0085] The second FPC 242 connected to the second pad portion 232 may be disposed on the front surface of the second pad portion 232, and the third FPC 243 connected to the third pad portion 233 may be disposed on the front surface of the third pad portion 233. The second FPC 242 may electrically connect the second pad portion 232 and the PCB 250, and the third FPC 243 may electrically connect the third pad portion 233 and the PCB 250. The second FPC 242 may transmit a data voltage from the PCB 250 to the second pad portion 232, and the third FPC 243 may transmit a data voltage from the PCB 250 to the third pad portion 233. The first FPC 241, the second FPC 242, and the third FPC 243 may be display FPCs for displaying an image of the display panel 210.

[0086] The second FPC 242 and the third FPC 243 may be bent around the side of the recessed portion 220 to the rear surface of the display panel 210. In other words, the first end of the second FPC 242 and the first end of the third FPC 243 may be positioned on the front surface of the display panel 210, and the second end of the second FPC 242 and the second end of the third FPC 243 may be positioned on the rear surface of the display panel 210. The second FPC 242 may be bent along a bending axis inside the second FPC 242 while being bent around the second side 222 of the recessed portion 220. The third FPC 243 may be bent along a bending axis inside the third FPC 243 while being bent around the third side 223 of the recessed portion 220.

[0087] When the width of the recessed portion 220 corresponding to the distance between the second side portion 222 and the third side portion 223 of the recessed portion 220 is relatively small, a space for arranging a sufficient number of first pads PD1 in the first pad portion 231 located adjacent to the first side portion 221 of the recessed portion 220 may be insufficient. However, the display device according to the exemplary embodiment may include the second pad portion 232 and the third pad portion 233 located adjacent to the second side portion 222 and the third side portion 223 of the recessed portion 220, respectively, and the second FPC 242 and the third FPC 243 may be connected to the second pad portion 232 and the third pad portion 233, respectively. Therefore, a sufficient number of pads PD1, PD2, and PD3 may be provided in the pad portions 231, 232, and 233.

[0088] In the following, reference will be made to Figure 7 , Fig. 8A , Figure 8B , Fig. 9 , Fig. 10A and Fig. 10B A display device according to an exemplary embodiment is described.

[0089] Figure 7 is a front view showing a display device according to an exemplary embodiment. Fig. 8A and Figure 8B It is shown Figure 7 A front view of a touch sensing unit of a display device in FIG. Fig. 9 It is shown Figure 7 Rear view of the display device in FIG. Fig. 10A The diagram is taken along the section line II-II'. Fig. 9 a cross-sectional view of a display device in FIG. 1 , and Fig. 10B The diagram is taken along the section line III-III'. Fig. 9 A cross-sectional view of a display device in FIG.

[0090] Reference Figure 7 , Fig. 8A , Figure 8B , Fig. 9 , Fig. 10A and Fig. 10B According to an exemplary embodiment, the display device may include a display panel 310, a first pad portion 331, a second pad portion 332, a third pad portion 333, a first flexible printed circuit (FPC) 341, a second FPC 342, a third FPC 343, a printed circuit board (PCB) 350, and a touch sensing unit 360. The recessed portion 320 may be formed at one side portion (e.g., the first side portion 310a) of the display panel 310. The description of the embodiment according to the reference will not be repeated. Figure 1 , Figure 2 , Figure 3 and Figure 4The elements of the display device of the exemplary embodiment are substantially the same or similar and according to the reference Figure 5 and Figure 6 The elements of the display device of the exemplary embodiment are substantially the same or similar to those of the reference Figure 7 , Fig. 8A , Figure 8B , Fig. 9 , Fig. 10A and Fig. 10B A detailed description of elements of a display device of an exemplary embodiment is provided.

[0091] The display panel 310 may include a first substrate 311, a display unit 312, and a second substrate 313, and a sealing unit 314 may be disposed between the first substrate 311 and the second substrate 313. The touch sensing unit 360 may be disposed on the front surface of the display panel 310. For example, the touch sensing unit 360 may be disposed on the front surface of the second substrate 313 of the display panel 310. The touch sensing unit 360 may detect a user's touch. The touch sensing unit 360 may be a capacitive touch sensing unit. The touch sensing unit 360 may be connected to the second pad portion 332 and the third pad portion 333.

[0092] The touch sensing unit 360 may include a plurality of first sensing electrodes 361 and a plurality of second sensing electrodes 362. The first sensing electrodes 361 may extend along the first direction DR1 and may be spaced apart from each other in the second direction DR2. The second sensing electrodes 362 may extend along the second direction DR2 and may be spaced apart from each other in the first direction DR1. In an exemplary embodiment, the first sensing electrode 361 may receive a drive signal and the second sensing electrode 362 may output a sensing signal. For example, when a sensing signal corresponding to a change in capacitance is output from the second sensing electrode 362 during application of a drive signal to the first sensing electrode 361, the touch sensing unit 360 may determine a position on which a user's touch is input.

[0093] In the non-display area NDA, a first pad portion 331, a second pad portion 332, and a third pad portion 333 may be disposed on the front surface of the display panel 310. For example, the first pad portion 331 may be positioned on the front surface of the first substrate 311, and the second pad portion 332 and the third pad portion 333 may be positioned on the front surface of the second substrate 313. The first pad portion 331, the second pad portion 332, and the third pad portion 333 may be positioned adjacent to a side portion of the recessed portion 320. In an exemplary embodiment, the first pad portion 331, the second pad portion 332, and the third pad portion 333 may be positioned adjacent to a first side portion 321, a second side portion 322, and a third side portion 323 of the recessed portion 320, respectively.

[0094] The first pad portion 331 may include a plurality of first pads PD1, the second pad portion 332 may include a plurality of second pads PD2, and the third pad portion 333 may include a plurality of third pads PD3. A data voltage may be transmitted from the first FPC 341 to each of the first pads PD1. A driving signal may be transmitted from the second FPC 342 to each of the second pads PD2, or each of the second pads PD2 may transmit a sensing signal to the second FPC 342. A driving signal may be transmitted from the third FPC 343 to each of the third pads PD3, or each of the third pads PD3 may transmit a sensing signal to the third FPC 343.

[0095] The second pad PD2 may be connected to the plurality of first connection wires CW1 , and the third pad PD3 may be connected to the plurality of second connection wires CW2 . In the non-display area NDA, the first and second connection wires CW1 and CW2 may be disposed on the front surface of the second substrate 313 .

[0096] Reference Fig. 8A , the first connection wire CW1 may be connected to the first sensing electrode 361, and the second connection wire CW2 may be connected to the second sensing electrode 362. The first connection wire CW1 may connect the second pad PD2 and the first sensing electrode 361, and may transmit the driving signal from the second pad PD2 to the first sensing electrode 361. In addition, the second connection wire CW2 may connect the third pad PD3 and the second sensing electrode 362, and may transmit the sensing signal from the second sensing electrode 362 to the third pad PD3.

[0097] Reference Figure 8B In another exemplary embodiment, the first connection wire CW1 may be connected to the first group of first sensing electrodes 361 and the first group of second sensing electrodes 362, and the second connection wire CW2 may be connected to the second group of first sensing electrodes 361 and the second group of second sensing electrodes 362. For example, the first group of first connection wires CW1 may connect the first group of second pads PD2 and the first sensing electrodes 361 positioned in the second direction DR2 from the recessed portion 320, and may transmit a driving signal from the first group of second pads PD2 to the first sensing electrodes 361 positioned in the second direction DR2 from the recessed portion 320. The second group of first connection wires CW1 may connect the second group of second pads PD2 and the first group of second sensing electrodes 362, and may transmit a sensing signal from the first group of second sensing electrodes 362 to the second group of second pads PD2.

[0098] In addition, the first group of second connection wires CW2 may connect the first group of third pads PD3 and the first sensing electrode 361 positioned in the third direction DR3 from the recessed portion 320, and may transmit a driving signal from the first group of third pads PD3 to the first sensing electrode 361 positioned in the third direction DR3 from the recessed portion 320. The second group of second connection wires CW2 may connect the second group of third pads PD3 and the second group of second sensing electrodes 362, and may transmit a sensing signal from the second group of second sensing electrodes 362 to the second group of third pads PD3. For example, the first group of second sensing electrodes 362 connected to the second group of first connection wires CW1 and the second group of second sensing electrodes 362 connected to the second group of second connection wires CW2 may be alternately disposed along the first direction DR1.

[0099] The second FPC 342 connected to the second pad portion 332 may be disposed on the front surface of the second pad portion 332, and the third FPC 343 connected to the third pad portion 333 may be disposed on the front surface of the third pad portion 333. The second FPC 342 may electrically connect the second pad portion 332 and the PCB 350, and the third FPC 343 may electrically connect the third pad portion 333 and the PCB 350. The second FPC 342 may transmit a driving signal from the PCB 350 to the second pad portion 332, or may transmit a sensing signal from the second pad portion 332 to the PCB 350. The third FPC 343 may transmit a driving signal from the PCB 350 to the third pad portion 333, or may transmit a sensing signal from the third pad portion 333 to the PCB 350. The first FPC 341 may be a display FPC for displaying an image of the display panel 310, and the second FPC 342 and the third FPC 343 may be touch FPCs for sensing a touch of the touch sensing unit 360.

[0100] The first FPC 341 may be bent along a bending axis BX1 inside the first FPC 341 while being bent around the first side 321 of the recessed portion 320. The second FPC 342 and the third FPC 343 may be bent to the rear surface of the display panel 310 around the side of the recessed portion 320. In other words, the first end of the second FPC 342 and the first end of the third FPC 343 may be positioned on the front surface of the display panel 310, and the second end of the second FPC 342 and the second end of the third FPC 343 may be positioned on the rear surface of the display panel 310. Specifically, the first end of the second FPC 342 and the first end of the third FPC 343 may be positioned on the front surface of the second substrate 313 of the display panel 310. The second FPC 342 may be bent along a bending axis BX2 inside the second FPC 342 while being bent around the second side 322 of the recessed portion 320. The third FPC 343 may be bent along a bending axis inside the third FPC 343 while being bent around the third side portion 323 of the recessed portion 320 .

[0101] In the following, reference will be made to Fig.11 , Fig.12 , Fig.13A and Fig. 13B A display device according to an exemplary embodiment is described.

[0102] Fig.11 is a front view showing a display device according to an exemplary embodiment. Fig.12 It is shown Fig.11 Rear view of the display device in FIG. Fig.13A The diagram is taken along the section line IV-IV'. Fig.12 a cross-sectional view of a display device in FIG. 1 , and Fig. 13B The figure shows a section taken along the section line V-V'. Fig.12 A cross-sectional view of a display device in FIG.

[0103] Reference Fig.11 , Fig.12 , Fig.13A and Fig. 13B According to an exemplary embodiment, the display device may include a display panel 410, a first pad portion 431, a second pad portion 432, a third pad portion 433, a first flexible printed circuit (FPC) 441, a second FPC 442, a third FPC 443, a printed circuit board (PCB) 450, and a touch sensing unit 460. The recessed portion 420 may be formed at one side portion (e.g., the first side portion 410a) of the display panel 410. The description of the embodiment according to the reference will not be repeated. Figure 7 , Fig. 8A , Figure 8B , Fig. 9 , Fig. 10A and Fig. 10B The elements of the display device of the exemplary embodiment are substantially the same or similar to those of the reference Fig.11 , Fig.12 , Fig.13A and Fig. 13B A detailed description of elements of a display device of an exemplary embodiment is provided.

[0104] The display panel 410 may include a flexible substrate 411, a display unit 412, and an encapsulation layer 413. The flexible substrate 411 may include a flexible material such as polyimide (PI), polyethylene naphthalate (PEN), polyethylene terephthalate (PET), polyarylate (PAR), polycarbonate (PC), polyetherimide (PEI), or polyethersulfone (PS). The display unit 412 may be disposed on the flexible substrate 411.

[0105] The encapsulation layer 413 may be disposed on the display unit 412. The encapsulation layer 413 may be positioned on the flexible substrate 411 while covering the display unit 412. For example, the encapsulation layer 413 may cover the upper portion and the side portion of the display unit 412. In an exemplary embodiment, the encapsulation layer 413 may include at least one inorganic layer and at least one organic layer alternately stacked.

[0106] The touch sensing unit 460 may be disposed on the front surface of the display panel 410. For example, the touch sensing unit 460 may be disposed on the front surface of the encapsulation layer 413 of the display panel 410.

[0107] In the non-display area NDA, the first pad portion 431, the second pad portion 432, and the third pad portion 433 may be disposed on the front surface of the display panel 410. For example, the first pad portion 431, the second pad portion 432, and the third pad portion 433 may be positioned on the front surface of the flexible substrate 411. The first pad portion 431, the second pad portion 432, and the third pad portion 433 may be positioned adjacent to the side of the recessed portion 420. In an exemplary embodiment, the first pad portion 431, the second pad portion 432, and the third pad portion 433 may be positioned adjacent to the first side 421, the second side 422, and the third side 423 of the recessed portion 420, respectively.

[0108] The first pad portion 431 may include a plurality of first pads PD1, the second pad portion 432 may include a plurality of second pads PD2, and the third pad portion 433 may include a plurality of third pads PD3. A data voltage may be transmitted from the first FPC 441 to each of the first pads PD1. A driving signal may be transmitted from the second FPC 442 to each of the second pads PD2, or each of the second pads PD2 may transmit a sensing signal to the second FPC 442. A driving signal may be transmitted from the third FPC 443 to each of the third pads PD3, or each of the third pads PD3 may transmit a sensing signal to the third FPC 443.

[0109] The second pad PD2 and the third pad PD3 may be connected to a plurality of connection wires CW. In the non-display area NDA, the connection wires CW may be disposed on the front surface of the display panel 410. In an exemplary embodiment, the connection wires CW may extend from the front surface of the flexible substrate 411 to the front surface of the encapsulation layer 413 along the side of the encapsulation layer 413. Therefore, the connection wires CW may connect the second pad PD2 and the third pad PD3 disposed on the front surface of the flexible substrate 411 to the touch sensing unit 460 disposed on the front surface of the encapsulation layer 413.

[0110] The first FPC 441 may be bent along a bending axis BX1 inside the first FPC 441 while being bent around the first side 421 of the recessed portion 420. The second FPC 442 and the third FPC 443 may be bent to the rear surface of the display panel 410 around the side of the recessed portion 420. In other words, the first end of the second FPC 442 and the first end of the third FPC 443 may be positioned on the front surface of the display panel 410, and the second end of the second FPC 442 and the second end of the third FPC 443 may be positioned on the rear surface of the display panel 410. Specifically, the first end of the second FPC 442 and the first end of the third FPC 443 may be positioned on the front surface of the flexible substrate 411 of the display panel 410. The second FPC 442 may be bent along a bending axis BX2 inside the second FPC 442 while being bent around the second side 422 of the recessed portion 420. The third FPC 443 may be bent along a bending axis inside the third FPC 443 while being bent around the third side portion 423 of the recessed portion 420 .

[0111] The display device according to the exemplary embodiment may be applicable to a display device included in a computer, a notebook computer, a mobile phone, a smart phone, a smart tablet, a PMP, a PDA, an MP3 player, or the like.

[0112] Although specific exemplary embodiments and implementations have been described herein, other embodiments and modifications will be apparent from this description. Therefore, the inventive concept is not limited to these embodiments, but is limited to a wider range of various obvious modifications and equivalent arrangements as apparent to those of ordinary skill in the art.

Claims

1. A display device, wherein: The display device comprises: a display panel having a first side portion and a second side portion facing the first side portion in a first direction, the display panel comprising a recessed portion having a recessed shape from the first side portion of the display panel toward the second side portion in the first direction, the recessed portion comprising at least one side portion; a pad portion disposed on the front surface of the display panel, the pad portion being adjacent to the at least one side portion of the recessed portion; and A flexible printed circuit is connected to the pad portion, the flexible printed circuit being bent around the at least one side portion of the recessed portion to a rear surface of the display panel, the rear surface being opposite to the front surface.

2. The display device according to claim 1, wherein: The display device further includes: A printed circuit board is on the rear surface of the display panel, the printed circuit board being connected to the flexible printed circuit.

3. The display device according to claim 1, wherein: The at least one side of the recessed portion includes a first side, a second side, and a third side, the first side is parallel to the first side of the display panel, and the second side and the third side respectively connect the first side of the recessed portion to the first side of the display panel and face each other, and Wherein, the pad portion is arranged adjacent to the first side portion of the recessed portion.

4. The display device according to claim 3, wherein: The display panel includes: a non-display area, the non-display area is adjacent to the first side portion of the display panel and the first side portion, the second side portion and the third side portion of the recessed portion; and a display area, the display area is adjacent to the first side portion of the display panel and the first side portion, the second side portion and the third side portion of the recessed portion, and the non-display area is between the display area and the first side portion of the display panel and the first side portion, the second side portion and the third side portion of the recessed portion, and Wherein, a distance from the second side of the display panel to an end of the pad portion adjacent to the first side of the recessed portion is smaller than a distance from the second side of the display panel to an end of the display area adjacent to the first side of the display panel.

5. The display device according to claim 4, wherein: The display device further includes: a plurality of data lines disposed in the display area and extending along the first direction; and A plurality of output lines are disposed in the non-display area and extend along the non-display area, and the plurality of output lines are respectively connected to the plurality of data lines.

6. The display device according to claim 3, wherein: The pad portion has a width smaller than a width of the recess portion, and the width of the recess portion corresponds to a distance between the second side and the third side of the recess portion.

7. The display device according to claim 3, wherein: The flexible printed circuit is bent along a bending axis, and Wherein, a distance from the second side of the display panel to the bending axis of the flexible printed circuit is smaller than a distance from the second side of the display panel to the first side of the display panel.

8. The display device according to claim 3, wherein: The width of the flexible printed circuit is smaller than the width of the recessed portion, and the width of the recessed portion corresponds to a distance between the second side and the third side of the recessed portion.

9. A display device, wherein: The display device comprises: a display panel having a first side portion and a second side portion facing the first side portion in a first direction, the display panel including a recessed portion having a recessed shape from the first side portion of the display panel toward the second side portion in the first direction, the recessed portion including a first side portion parallel to the first side portion of the display panel, and a second side portion and a third side portion connecting the first side portion of the recessed portion to the first side portion of the display panel and facing each other; a first pad portion, the first pad portion being on the front surface of the display panel, the first pad portion being adjacent to the first side portion of the recessed portion; a first flexible printed circuit connected to the first pad portion, the first flexible printed circuit being bent around the first side portion of the recessed portion to a rear surface of the display panel; a second pad portion, the second pad portion being on the front surface of the display panel, the second pad portion being adjacent to the second side portion of the recessed portion; a second flexible printed circuit, the second flexible printed circuit being connected to the second pad portion, the second flexible printed circuit being bent around the second side portion of the recessed portion to the rear surface of the display panel; a third pad portion on the front surface of the display panel, the third pad portion being adjacent to the third side portion of the recessed portion; and A third flexible printed circuit is connected to the third pad portion, the third flexible printed circuit being bent around the third side of the recessed portion to the rear surface of the display panel.

10. The display device according to claim 9, wherein: The display device further includes: A touch sensing unit is disposed on the front surface of the display panel, the touch sensing unit being connected to the second pad portion and the third pad portion.

Images