Display device

Abstract

A display device is provided, comprising: a substrate including a first region and a second region spaced apart from each other in a first direction; and a plurality of display elements arranged in the display region, wherein the first region and the second region are circular, and a diameter of the first region is approximately equal to a diameter of the second region.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2019-0055833 filed on May 13, 2019, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference in its entirety. Technical Field

[0002] Exemplary embodiments of the present disclosure relate to a display device, and more particularly, to a display device having improved durability. Background Art

[0003] With the continuous advancement of display technology, including reducing the thickness and weight of display devices, the range of uses of display devices has increased. Since display devices can be utilized in various ways, various methods can be used to design the shape of the display devices. Summary of the Invention

[0004] Conventional display devices may have various structures such that the display device is arranged to overlap with various other devices (e.g., sensors). In this case, the display device may include an opening area (e.g., a through-hole) for arranging various other devices therein. When the display device includes two opening areas and an external impact is applied to the display device, stress may be concentrated on the boundary between the two opening areas, which may damage the boundary of the opening area. Exemplary embodiments include a display device having an opening area in which the opening area is not damaged or destroyed even when an impact is applied to the display device.

[0005] According to an exemplary embodiment, a display device includes: a substrate including a first region and a second region spaced apart from each other in a first direction; and a plurality of display elements arranged in the display region, wherein the first region and the second region are arranged in the display region. The first region and the second region are circular, and a diameter of the first region is approximately equal to a diameter of the second region.

[0006] In an exemplary embodiment, the base is rectangular and includes two short sides and two long sides, and the first region and the second region are symmetrical to each other about a center line passing through respective centers of the two short sides.

[0007] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, and the first region and the second region are positioned between one of the two long sides and a centerline passing through respective centers of the two short sides.

[0008] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, and a distance from an area of ​​the first and second areas closer to one of the two short sides to the one short side is approximately 1 / 5 or more of the length of one of the two long sides.

[0009] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, and a distance between a center of the first region and a center of the second region is about 2 / 3 or less of a length of one of the two short sides.

[0010] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, one of the first and second regions is closer to one of the long sides than the other of the first and second regions, and a distance from the one of the first and second regions that is closer to the one of the long sides to the one of the long sides is approximately 1 / 2 or greater of a distance from a center line passing through the centers of each of the two short sides to the one long side.

[0011] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, and one of the first and second regions is located on a center line passing through respective centers of the two short sides and parallel to the two long sides.

[0012] In an exemplary embodiment, the display device further includes a plurality of through holes arranged in at least one of the first region and the second region, the plurality of through holes penetrating the substrate.

[0013] In an exemplary embodiment, the display device further includes: an encapsulation substrate facing the substrate; and a plurality of through holes arranged in at least one of the first region and the second region, wherein the through holes penetrate at least one of the substrate and the encapsulation substrate.

[0014] In an exemplary embodiment, the display device further includes a transparent material layer arranged in at least one of the first region and the second region.

[0015] According to an exemplary embodiment, a display device includes: a substrate including a first region and a second region spaced apart from each other in a first direction; and a plurality of display elements arranged in the display region adjacent to the first region and the second region. The first region and the second region are circular, the diameter of the first region is different from the diameter of the second region, and no display elements are arranged in the first region or the second region.

[0016] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, and one of the first and second regions is located on a center line passing through respective centers of the two short sides and parallel to the two long sides.

[0017] In an exemplary embodiment, a diameter of one of the first region and the second region is smaller than a diameter of the other of the first region and the second region.

[0018] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, one of the first and second regions is closer to one of the long sides than the other of the first and second regions, and a distance from a center of the one of the first and second regions that is closer to the one of the long sides to the one of the long sides is approximately 1 / 2 or greater of a distance from a center line passing through the centers of each of the two short sides to the one long side.

[0019] In an exemplary embodiment, the substrate is rectangular and includes two short sides and two long sides, and a distance from an area of ​​the first and second areas closer to one of the two short sides to the one short side is approximately 1 / 5 or more of the length of one of the two long sides.

[0020] In an exemplary embodiment, the base is rectangular and includes two short sides and two long sides, and the center of one of the first and second regions having a smaller diameter is closer to a center line passing through the centers of the two short sides and parallel to the two long sides than the center of the other of the first and second regions having a larger diameter.

[0021] In an exemplary embodiment, the display device further includes a plurality of through holes arranged in at least one of the first region and the second region, the plurality of through holes penetrating the substrate.

[0022] In an exemplary embodiment, the display device further includes: an encapsulation substrate facing the substrate; and a plurality of through holes arranged in at least one of the first region and the second region. The through holes penetrate at least one of the substrate and the encapsulation substrate.

[0023] In an exemplary embodiment, the display device further includes a transparent material layer arranged in at least one of the first region and the second region.

[0024] According to an exemplary embodiment, a display device includes: a substrate including a first region and a second region, each having a circular shape and spaced apart from each other in a first direction; and a plurality of display elements arranged in a display region adjacent to the first region and the second region. The substrate is rectangular and has two short sides and two long sides. The first region and the second region are arranged between a first inflection point where a first stress is generated at a perpendicular distance from a first center line passing through the center of the display region and parallel to the two short sides to each of the two short sides, or a second inflection point where a second stress is generated at a perpendicular distance from a second center line passing through the center of the display region and parallel to the two long sides to each of the two long sides, and the second center line.

[0025] In an exemplary embodiment, one of the first and second regions is closer to one of the long sides than the other of the first and second regions, and a distance from a center of the one of the first and second regions that is closer to the one of the long sides to the one of the long sides is approximately 1 / 2 or greater of a distance from a third center line passing through respective centers of the two short sides to the one long side.

[0026] In an exemplary embodiment, a distance from one of the first and second regions, which is closer to one of the two short sides, to the one short side is about 1 / 5 or more of a length of one of the two long sides.

[0027] In an exemplary embodiment, a distance between a center of the first region and a center of the second region is approximately 2 / 3 or less of a length of one of the two short sides.

[0028] In an exemplary embodiment, the diameter of the first region is approximately equal to the diameter of the second region.

[0029] In an exemplary embodiment, the diameter of the first region is different from the diameter of the second region.

[0030] In an exemplary embodiment, the center of one of the first and second regions is arranged eccentrically from the respective centers of the two short sides with respect to any straight line parallel to the two long sides and passing through the respective centers of the two short sides.

[0031] In an exemplary embodiment, the display device further includes a plurality of through holes arranged in at least one of the first region and the second region, the plurality of through holes penetrating the substrate.

[0032] In an exemplary embodiment, the display device further includes: an encapsulation substrate facing the substrate; and a plurality of through holes arranged in at least one of the first region and the second region, wherein the through holes penetrate at least one of the substrate and the encapsulation substrate.

[0033] In an exemplary embodiment, the display device further includes a transparent material layer arranged in at least one of the first region and the second region. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The above and other aspects of the present disclosure will become more apparent by describing in detail exemplary embodiments of the present disclosure with reference to the attached drawings.

[0035] Figure 1 is a schematic perspective view of a display device according to an exemplary embodiment.

[0036] Figure 2 It is taken along line A-A' Figure 1sectional view of an exemplary embodiment of a display panel of a display device.

[0037] Figure 3 It is taken along line A-A' Figure 1 sectional view of an exemplary embodiment of a display panel of a display device.

[0038] Figure 4 It is taken along line A-A' Figure 1 sectional view of an exemplary embodiment of a display panel of a display device.

[0039] Figure 5 yes Figure 1 Schematic plan view of a display panel of a display device.

[0040] Figure 6 It is along Figure 7 The line C-C' intercepts Figure 5 A cross-sectional view of a pixel of a display panel.

[0041] Figure 7 yes Figure 5 An enlarged plan view of an exemplary embodiment of area B.

[0042] Figure 8 and Figure 9 yes Figure 5 Equivalent circuit diagram of each pixel of the display panel.

[0043] Figure 10 yes Figure 5 A planar layout diagram of the pixel circuit of a display panel.

[0044] Figure 11 is a schematic diagram showing the arrangement of Figure 5 A plan view of the arrangement of some lines around the first area of ​​the display panel.

[0045] Figure 12 is a plan view of a portion of a display panel according to an exemplary embodiment.

[0046] Figure 13 is a plan view of a portion of a display panel according to an exemplary embodiment.

[0047] Figure 14 is a plan view of a portion of a display panel according to an exemplary embodiment.

[0048] Figure 15 is a plan view of a portion of a display panel according to another embodiment.

[0049] Figure 16 is a plan view of a portion of a display panel according to an exemplary embodiment.

[0050] Figure 17 is shown when a shock is applied to Figure 5 Display panel time interval Figure 5 A graph showing the relationship between the distance from the center line of the display panel and the stress.

[0051] Figure 18 is a plan view of a display panel of a display device according to an exemplary embodiment.

[0052] Figure 19 is included Figure 18 sectional view of an exemplary embodiment of a display device including a display panel.

[0053] Figure 20 is included Figure 18 sectional view of an exemplary embodiment of a display device including a display panel.

[0054] Figure 21 is included Figure 18 sectional view of an exemplary embodiment of a display device including a display panel.

[0055] Figure 22 is a plan view of a display panel of a display device according to an exemplary embodiment.

[0056] Figure 23 is a plan view of a display panel of a display device according to an exemplary embodiment.

[0057] Figure 24 is a plan view of a display panel of a display device according to an exemplary embodiment.

[0058] Figure 25 is a plan view of a display panel of a display device according to an exemplary embodiment.

[0059] Figure 26 It is taken along line A-A' Figure 1 sectional view of an exemplary embodiment of a display panel of a display device.

[0060] Figure 27 is a graph showing stress of a display panel when impact is applied to the display panel according to an exemplary embodiment.

[0061] Figure 28 is a plan view of a display panel of a display device according to an exemplary embodiment.

[0062] Figure 29 It shows Figure 28 A graph of the stress ratio between the first region and the second region.

[0063] Figure 30 It shows Figure 28 A graph of the stress ratio between the first region and the second region. DETAILED DESCRIPTION

[0064] Hereinafter, exemplary embodiments of the present disclosure will be described more fully with reference to the accompanying drawings. Throughout the drawings, like reference numerals may represent like elements.

[0065] As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Expressions such as "at least one of...", when following a list of elements, modify the entire list of elements and do not modify the individual elements in the list.

[0066] It will be understood that although the terms "first," "second," etc. may be used herein to describe various components, these components should not be limited by these terms. These terms are only used to distinguish one component from another.

[0067] As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0068] It will also be understood that the term "comprises" and / or variations thereof used herein specify the presence of stated features or components, but does not preclude the presence or addition of one or more other features or components.

[0069] It will be understood that when a layer, region, or component is referred to as being "formed on" another layer, region, or component, the layer, region, or component can be directly formed on the other layer, region, or component or indirectly formed on the other layer, region, or component. That is, for example, intervening layers, regions, or components may be present.

[0070] In the following examples, the X-axis, Y-axis, and Z-axis are not limited to the three axes of the rectangular coordinate system, but can be interpreted in a broader sense. For example, the X-axis, Y-axis, and Z-axis can be perpendicular to each other, or can represent different directions that are not perpendicular to each other.

[0071] When a certain exemplary embodiment can be implemented differently, a specific process order can be performed in a different order than described. For example, two consecutively described processes can be performed substantially simultaneously or in a reverse order to the described order.

[0072] Here, when a value is described as being approximately equal to another value or being substantially the same as or equal to another value, it will be understood that these values ​​are equal to each other within the measurement error, or if measurably unequal, these values ​​are close enough in value to be functionally equal to each other as will be understood by those of ordinary skill in the art. For example, considering the measurement in question and the errors associated with the measurement of the specific quantity (i.e., the limitations of the measurement system), the term "approximately" as used herein includes the stated value and means within an acceptable deviation range of the specific value as determined by those of ordinary skill in the art. For example, "approximately" can mean within one or more standard deviations as will be understood by those of ordinary skill in the art. In addition, it will be understood that, although according to exemplary embodiments, a parameter can be described herein as having "approximately" a certain value, as will be understood by those of ordinary skill in the art, the parameter can be an exact certain value or an approximate certain value within the measurement error.

[0073] Furthermore, when an element (such as an imaginary line) is described as being "substantially straight," it will be understood that the element is exactly straight or nearly straight (eg, within measurement error), as would be understood by one of ordinary skill in the art.

[0074] Figure 1 is a schematic perspective view of a display device 1 according to an exemplary embodiment.

[0075] Reference Figure 1 The display device 1 includes a light-emitting display area DA and a non-light-emitting non-display area NDA.

[0076] The display device 1 may provide an image through the display area DA. The display device 1 may include, for example, a liquid crystal display (LCD), an electrophoretic display, an organic light emitting diode (OLED) display, an inorganic light emitting display, a quantum dot light emitting display, a field emission display, a surface conduction electron emission display, a plasma display, or a cathode ray display.

[0077] Although an OLED display will now be illustrated and described as the display device 1 according to an exemplary embodiment, the display device according to the present disclosure is not limited thereto, and various types of display devices may be used.

[0078] The display device 1 includes a first region R1 and a second region R2. Electronic components are arranged in the first region R1 and the second region R2 as will be described later with reference to the accompanying drawings. The first region R1 and the second region R2 can be understood as opening regions or transmissive regions that can transmit light and / or sound output from the electronic components to the outside or from the outside toward the electronic components. The transmissive region may have a shape in which the display panel has been partially removed. For example, the first region R1 and the second region R2 may be regions in which holes are formed in the main substrate and / or the encapsulation substrate, which will be described later.

[0079] According to exemplary embodiments, when light passes through the first and second regions R1 and R2, transmittance may be about 50% or more, for example, about 70% or more, about 75% or more, about 80% or more, or about 85% or more.

[0080] The non-display area NDA may include a first non-display area NDA1 surrounding the first and second areas R1 and R2, and a second non-display area NDA2 surrounding the display area DA. The first non-display area NDA1 may completely surround the first and second areas R1 and R2, the display area DA may completely surround the first non-display area NDA1, and the second non-display area NDA2 may completely surround the display area DA.

[0081] Although Figure 1 The first region R1 and the second region R2 are located on the upper right side of the display area DA, but the disclosure is not limited thereto. For example, according to exemplary embodiments, the position of the first region R1 and the position of the second region R2 may be changed.

[0082] Figure 2 It is taken along line A-A' Figure 1 1 is a cross-sectional view of an exemplary embodiment of a display panel 10 of a display device 1 .

[0083] Reference Figure 2 The display device 1 may include a display panel 10 including a display element, and first and second electronic components 20 and 30 respectively corresponding to the first and second regions R1 and R2 of the display panel 10. Component(s) such as an input sensing member for sensing a touch input, an anti-reflection member including a polarizer and a retarder or including a color filter and a black matrix, and a transparent window may be arranged on the display panel 10.

[0084] The display panel 10 may include a main substrate 100 , an encapsulation substrate 400A as an encapsulation member facing the main substrate 100 , and a sealing member 450 disposed between the main substrate 100 and the encapsulation substrate 400A.

[0085] The main substrate 100 may include, for example, glass or a polymer resin. Examples of polymer resins may include polyethersulfone, polyacrylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyarylate, polyimide, polycarbonate, and cellulose acetate propionate. The main substrate 100 may have a multilayer structure including a layer containing the above-mentioned polymer resin and an inorganic layer. The encapsulation substrate 400A may include, for example, glass or the above-mentioned polymer resin.

[0086] Thin film transistors TFT, organic light emitting diodes OLED as display elements connected thereto, and signal lines SGL are arranged in the display area DA of the main substrate 100. The signal lines SGL are arranged in the first non-display area NDA1 of the main substrate 100.

[0087] The signal lines SGL may provide certain signals (eg, data signals and scan signals) to display elements spaced apart from each other in the Y-axis direction with respect to the first and second regions R1 and R2 .

[0088] The display panel 10 may include through holes corresponding to the first and second regions R1 and R2. For example, the main substrate 100 and the encapsulation substrate 400A may include through holes 100H and through holes 400AH, respectively. The through holes 100H and the through holes 400AH correspond to the first and second regions R1 and R2. Portions of the insulating layer IL or elements disposed between the main substrate 100 and the encapsulation substrate 400A (e.g., portions corresponding to the first and second regions R1 and R2) may be entirely removed to form the through holes 100H and the through holes 400AH. The through holes 100H may penetrate (e.g., completely penetrate) the main substrate 100, and the through holes 400AH may penetrate (e.g., completely penetrate) the encapsulation substrate 400A.

[0089] Figure 2 The sealing member 450 is shown to be disposed on both sides of each of the first region R1 and the second region R2 . When viewed in a direction perpendicular to the main surface of the main substrate 100 , the first region R1 and the second region R2 may be completely surrounded by the sealing member 450 .

[0090] The first electronic component 20 and the second electronic component 30 may be positioned in the first region R1 and the second region R2, respectively. In this case, the first electronic component 20 and the second electronic component 30 may be arranged inside the first region R1 and the second region R2, respectively, or may be arranged on the rear surface of the main substrate 100 so that the first electronic component 20 and the second electronic component 30 correspond to the first region R1 and the second region R2, respectively.

[0091] The first electronic component 20 and the second electronic component 30 may be electronic components that use light or sound. For example, the electronic components may be sensors that receive and use light (such as infrared sensors), cameras that receive light and capture images, sensors that output and sense light or sound to measure distance or identify fingerprints, small lamps that output light, or speakers that output sound. Electronic components that use light may use light of various wavelengths, such as visible light, infrared light, and ultraviolet light.

[0092] When Figure 2When the display panel 10 shown in FIG. 1 includes the through holes 100H and 400AH corresponding to the first and second regions R1 and R2 , light or sound output or received by the first and second electronic components 20 and 30 may be more effectively utilized.

[0093] Figure 3 It is taken along line A-A' Figure 1 1 is a cross-sectional view of an exemplary embodiment of a display panel 10 of a display device 1 .

[0094] For ease of explanation, the previous references may be omitted. Figure 2 Further description of the elements and techniques described.

[0095] Reference Figure 3 , some elements of the display panel 10 do not include through holes. For example, in a case where the display panel 10 includes through holes 100H formed in the main substrate 100 corresponding to the first and second regions R1 and R2 Figure 2 Different, such as Figure 3 As shown in , the package substrate 400A may include through holes 400AH corresponding to the first region R1 and the second region R2, but the main substrate 100 may not include through holes. Figure 3 As shown in , even if the main substrate 100 does not include a through hole, a portion of the insulating layer IL or the element disposed between the main substrate 100 and the package substrate 400A (e.g., a portion corresponding to the first region R1 and the second region R2) can be removed, thereby ensuring light transmittance of the first electronic component 20 and the second electronic component 30. When the display device 1 includes Figure 3 When the display panel 10 is provided, the first electronic component 20 and the second electronic component 30 may be, for example, electronic components using light.

[0096] According to an exemplary embodiment, the main substrate 100 may include Figure 2 1 and the package substrate 400A may not include a through hole. For example, in an exemplary embodiment, the through hole 100H is included in the display panel 10 and the through hole 400AH is not included in the display panel 10. In this case, the insulating layer IL provided between the main substrate 100 and the package substrate 400A or a portion of the element (for example, a portion corresponding to the first region R1 and the second region R2) may be removed, and the first electronic component 20 and the second electronic component 30 may be as shown. Figure 2 100H or may be arranged to be inserted into the through hole 100H.

[0097] Figure 4 It is taken along line A-A' Figure 1 1 is a cross-sectional view of an exemplary embodiment of a display panel 10 of a display device 1 .

[0098] Reference Figure 4 , similar to the reference above Figure 2 The display device 1 described above may include a display panel 10 including a display element, and first and second electronic components 20 and 30 corresponding to first and second regions R1 and R2 of the display panel 10, respectively. In an exemplary embodiment, the display device 1 may further include an input detection member, an anti-reflection member, a window, etc., arranged on the display panel 10 for sensing a touch input.

[0099] Refer to above Figure 2 The display panel 10 including the encapsulation substrate 400A and the sealing member 450 as the encapsulation member is described differently. Figure 4 The display panel 10 may include a thin film encapsulation layer 400B. The differences between them will now be mainly described. For ease of explanation, the previous reference to Figure 2 and Figure 3 Further description of the elements and techniques described.

[0100] The thin film encapsulation layer 400B may include at least one inorganic encapsulation layer and at least one organic encapsulation layer. Figure 4 A first inorganic encapsulating layer 410 and a second inorganic encapsulating layer 430 are shown with an organic encapsulating layer 420 disposed therebetween.

[0101] The first inorganic encapsulation layer 410 and the second inorganic encapsulation layer 430 may include at least one inorganic insulating material, such as aluminum oxide, titanium oxide, tantalum oxide, hafnium oxide, zinc oxide, silicon oxide, silicon nitride, and silicon oxynitride. The organic encapsulation layer 420 may include, for example, a polymer material. Examples of polymer materials may include acrylic resin, epoxy resin, polyimide, and polyethylene.

[0102] The display panel 10 may include through holes corresponding to the first and second regions R1 and R2. For example, the main substrate 100 and the thin film encapsulation layer 400B may include through holes 100H and 400BH, respectively. The through holes 100H and 400BH correspond to the first and second regions R1 and R2. As described above, the first and second electronic components 20 and 30 using light or sound may be arranged in the first and second regions R1 and R2, respectively.

[0103] When the thin film encapsulation layer 400B includes a through hole 400BH, each of at least one inorganic encapsulation layer (e.g., 410 and 430) and at least one organic encapsulation layer (e.g., 420) may include a hole corresponding to the through hole 400BH. In this case, the hole of each organic encapsulation layer is made larger than the hole of each inorganic encapsulation layer, so that the first inorganic encapsulation layer 410 and the second inorganic encapsulation layer 430 can be in direct contact with each other around the first region R1 and the second region R2. For example, in an exemplary embodiment, the first inorganic encapsulation layer 410 and the second inorganic encapsulation layer 430 are in direct contact with each other in a region near the first region R1 and the second region R2 (e.g., adjacent to the first region R1 and the second region R2), and are not in direct contact with each other in a region located farther away from the first region R1 and the second region R2.

[0104] Figure 5 yes Figure 1 Schematic plan view of a display panel 10 of a display device 1. Figure 6 It is along Figure 7 The line C-C' intercepts Figure 5 1 is a cross-sectional view of a pixel P of a display panel 10. Figure 7 yes Figure 5 An enlarged plan view of an exemplary embodiment of area B.

[0105] Reference Figures 5 to 7 The display panel 10 includes a plurality of pixels P arranged in a display area DA. Each of the pixels P may include a display element such as an organic light emitting diode OLED. The pixel P may emit, for example, red light, green light, blue light, or white light via the organic light emitting diode OLED. The pixel P may emit one of the red light, green light, blue light, and white light as described above. The display area DA may be displayed by the display element OLED. Figures 2 to 4 The described packaging member is covered and protected from external air or moisture.

[0106] The first non-display area NDA1 surrounds both the first and second areas R1 and R2. The first non-display area NDA1 is an area in which no image is displayed. Signal lines supplying signals to pixels P around the first and second areas R1 and R2 may be arranged in the first non-display area NDA1.

[0107] The second non-display area NDA2 may include a scan driver 1000 supplying a scan signal to the pixels P, a data driver 2000 supplying a data signal to the pixels P, and a main power line for supplying a driving voltage and a common voltage.

[0108] The first and second regions R1 and R2 are arranged in the first direction, the first non-display area NDA1 surrounds the first and second regions R1 and R2 , and the display area DA surrounds the first non-display area NDA1 .

[0109] The first region R1 and the second region R2 may be circular. The diameter of the first region R1 may be approximately equal to the diameter of the second region R2. For example, each of the diameters of the first region R1 and the second region R2 may be in the range of about 2 mm to about 5 mm.

[0110] The first region R1 and the second region R2 may be positioned off-center from a first center line CLI1 passing through the centers of the respective short sides of the substrate. For example, the first region R1 and the second region R2 may be positioned at a position other than the central axis of the display panel 10 corresponding to the first center line CLI1. The first center line CLI1 may refer to, for example, an imaginary line passing through the centers of the respective short sides of the substrate. In this case, the first direction may or may not be parallel to the short sides of the substrate. In this case, the substrate may include a main substrate 100 and / or an encapsulation substrate 400A. For ease of description, a case in which the first direction is parallel to each short side of the substrate will now be described in detail.

[0111] Here, the first direction may refer to a direction extending along an X-axis in the drawing, and the second direction may refer to a direction extending along a Y-axis in the drawing.

[0112] The first distance L1 may be approximately 1 / 5 or greater of the length L of the long side of the substrate, and the first distance L1 is the substantially straight-line distance from one of the first and second regions R1 and R2 that is closest to the short side of the substrate to the short side of the substrate. When any substantially straight line parallel to the short side of the substrate is drawn on the substrate (for example, when the arbitrary substantially straight line extends along the X-axis), the first distance L1 may be the minimum distance from the point where the edge (for example, the outer edge) of one of the first and second regions R1 and R2 that is closest to the short side of the substrate intersects the arbitrary substantially straight line to the short side of the substrate. Here, the edges of the first and second regions R1 and R2 may refer to the outer edges that define the perimeters of the first and second regions R1 and R2, respectively.

[0113] In such a case, when at least a portion of one of the first and second regions R1 and R2 is located on a portion of the substrate that is spaced apart from the short side of the substrate by a distance less than approximately 1 / 5 of the length L of the long side of the substrate, and an impact is applied to one of the corners IP of the substrate, stress may be concentrated on the at least a portion of the one of the first and second regions R1 and R2 that is located on the portion of the substrate that is spaced apart from the short side of the substrate by a distance less than approximately 1 / 5 of the length L of the long side of the substrate, thereby damaging or destroying the substrate. In this case, the point to which the impact is applied may be a corner of the substrate that is farthest from the center of each of the first and second regions R1 and R2, which is farthest from the first center line CLI1.

[0114] For example, in such a case, a portion of the substrate at a distance from the short side of the substrate that is approximately 1 / 5 of the length L of the long side of the substrate can be a portion of the substrate at which stress is generated, and the stress is generated at each portion of the substrate. For example, when the impact is applied to the corner IP of the substrate as described above, the stress concentrated on each portion of the substrate can vary according to the distance from the center of the substrate. In this case, the inflection point of the stress depending on the distance can be generated in a portion of the substrate that is spaced a certain distance from the center of the substrate, and the stress change depending on the distance change can become severe from the inflection point. When the first region R1 and / or the second region R2 is arranged in the area between the inflection point and the short side of the substrate, the stress applied to at least a portion of the first region R1 and / or the second region R2 exceeds a preset value. As a result, the edge portion of the first region R1 and / or the second region R2 may be damaged due to (multiple) impacts that may occur during manufacturing or use. For example, as a result of (multiple) impacts, (multiple) cracks may be formed at the outer edge of the first region R1 and / or the second region R2. In addition, when the first region R1 and / or the second region R2 are arranged in the area between the inflection point and the short side of the substrate, the first region R1 and / or the second region R2 may overlap with a portion of the substrate where maximum stress is generated, and thus the substrate may be easily damaged or broken.

[0115] The second distance L2 between the center of the first region R1 and the center of the second region R2 may be about 2 / 3 or less of the length W of the short side of the substrate. In this case, when the second distance L2 between the center of the first region R1 and the center of the second region R2 exceeds about 2 / 3 of the length W of the short side of the substrate, the maximum stress of the substrate may overlap with the first region R1 and / or the second region R2, and the first region R1 and / or the second region R2 may not be able to have a circular shape.

[0116] The third distance L3, which is the shortest distance between the long side of the substrate and the center of one of the first and second regions R1 and R2 closest to the long side of the substrate, may be about 1 / 2 or greater of the shortest distance W1 between the first center line CLI1 and the long side of the substrate. Figure 5 The third distance L3 may be about 1 / 2 or greater of the shortest distance W1 between the first center line CLI1 and the long side of the substrate. The shortest distance W1 may be measured perpendicular to the long side of the substrate.

[0117] Therefore, the first region R1 and the second region R2 can be arranged as described above so as to be within the stress range of the maximum allowable value. In addition, by arranging the first region R1 and the second region R2 as described above, it is possible to ensure an area in which the display device 1 and / or the display panel 10 can be set in an external device such as a housing, and to prevent the first region R1 and the second region R2 from being directly subjected to a force from the external device or the housing.

[0118] A plurality of pixels P may be arranged in the display area DA. A plurality of signal lines may be arranged to electrically connect the plurality of pixels P to each other. In this regard, Figure 7 It is shown that scan lines SLa and SLb, both extending in a first direction (X-axis direction), connect pixels P in a display area DA to each other, and data lines DLa and DLb connect pixels P to each other in a second direction (Y-axis direction) crossing the first direction.

[0119] Some of the scan lines SLa and SLb may extend in the first direction (X-axis direction) to provide signals to the pixels P arranged on the left and right sides of the first non-display area NDA1, but may bypass the first and second regions R1 and R2 in the first non-display area NDA1. Some of the scan lines SLb arranged farther from the first and second regions R1 and R2 than the scan lines SLa in the first non-display area NDA1, or scan lines that do not cross the first non-display area NDA1, may extend in a substantially straight line.

[0120] Some of the data lines DLa and DLb may extend in the second direction (Y-axis direction) to provide signals to the pixels P arranged on the upper and lower sides of the first non-display area NDA1, but may bypass the first region R1 and the second region R2 in the first non-display area NDA1. Some of the data lines DLb arranged between the first region R1 and the second region R2 in the first non-display area NDA1 or data lines that do not cross the first non-display area NDA1 may extend in a substantially straight line.

[0121] For example, when the first region R1 and the second region R2 have a circular shape as described above, the signal lines located closer to the first region R1 and the second region R2 can be bent along the first region R1 and the second region R2, and the signal lines located farther away from the first region R1 and the second region R2 can extend in a basically straight line.

[0122] The pixel P may include a pixel circuit including at least one thin film transistor TFT and an organic light emitting diode OLED as a display element.

[0123] The main substrate 100 may include, for example, a glass material, a ceramic material, a metal material, or a polymer resin (such as polyethersulfone, polyacrylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyarylate, polyimide, polycarbonate, or cellulose acetate propionate). The main substrate 100 may have a single-layer or multi-layer structure of any of the aforementioned materials. The multi-layer structure may further include an inorganic layer. According to an exemplary embodiment, the main substrate 100 may have a structure of organic material / inorganic material / organic material.

[0124] The main substrate 100 may have a rectangular shape having long sides opposite to each other and short sides opposite to each other.

[0125] The buffer layer 111 may be located on the main substrate 100 and may reduce or prevent, for example, foreign matter, moisture, or ambient air from penetrating from the main substrate 100 to the pixel circuit, and may provide a flat surface on the main substrate 100. The buffer layer 111 may include an inorganic material (such as oxide or nitride, for example), an organic material, or a mixture of organic and inorganic materials, and may be formed as a single layer or multiple layers of inorganic and organic materials.

[0126] A barrier layer may be further included between the main substrate 100 and the buffer layer 111. The barrier layer may prevent impurities from penetrating from the main substrate 100 or the like into the semiconductor layer A or minimize impurities penetrating from the main substrate 100 or the like into the semiconductor layer A. The barrier layer may include an inorganic material (such as an oxide or a nitride, for example), an organic material, or a mixture of an organic and an inorganic material, and may be formed as a single layer or multiple layers of an inorganic material and an organic material.

[0127] The semiconductor layer A may be disposed on the buffer layer 111. The semiconductor layer A may include, for example, amorphous silicon or polycrystalline silicon. According to exemplary embodiments, the semiconductor layer A may include, for example, an oxide of at least one of indium (In), gallium (Ga), tin (Sn), zirconium (Zr), vanadium (V), hafnium (Hf), cadmium (Cd), germanium (Ge), chromium (Cr), titanium (Ti), aluminum (Al), cesium (Cs), cerium (Ce), and zinc (Zn). According to exemplary embodiments, the semiconductor layer A may be formed of Zn oxide, In-Zn oxide, Ga-In-Zn oxide, or the like, which are Zn oxide-based materials. According to exemplary embodiments, the semiconductor layer A may be an In-Ga-Zn-O (IGZO) semiconductor, an In-Sn-Zn-O (ITZO) semiconductor, or an In-Ga-Sn-Zn-O (IGTZO) semiconductor, which includes a metal (such as In, Ga, or Sn, for example) in ZnO. The semiconductor layer A may include a channel region and a source region and a drain region, respectively disposed on both sides of the channel region. The semiconductor layer A may be formed as a single layer or a multilayer.

[0128] The gate electrode G is arranged on the semiconductor layer A and the first gate insulating layer 112 is provided between the gate electrode G and the semiconductor layer A. The gate electrode G at least partially overlaps the semiconductor layer A. The gate electrode G may include, for example, molybdenum (Mo), aluminum (Al), copper (Cu), or titanium (Ti), each of which may include a single layer or multiple layers. For example, the gate electrode G may include a single layer of Mo.

[0129] The first gate insulating layer 112 may include, for example, silicon oxide (SiO 2 ), silicon nitride (SiN x ), silicon oxynitride (SiON), aluminum oxide (Al2O3), titanium oxide (TiO2), tantalum oxide (Ta2O5), hafnium oxide (HfO2), zinc oxide (ZnO2), etc.

[0130] The second gate insulating layer 113 may cover the gate electrode G. The second gate insulating layer 113 may include, for example, silicon oxide (SiO2), silicon nitride (SiN x ), silicon oxynitride (SiON), aluminum oxide (Al2O3), titanium oxide (TiO2), tantalum oxide (Ta2O5), hafnium oxide (HfO2), zinc oxide (ZnO2), etc.

[0131] The first storage capacitor plate CE1 of the storage capacitor Cst may overlap the thin film transistor TFT. For example, the gate electrode G of the thin film transistor TFT may serve as the first storage capacitor plate CE1 of the storage capacitor Cst.

[0132] The second storage capacitor plate CE2 of the storage capacitor Cst is stacked with the first storage capacitor plate CE1, with the second gate insulating layer 113 disposed therebetween. In this case, the second gate insulating layer 113 may serve as a dielectric layer for the storage capacitor Cst. The second storage capacitor plate CE2 may include a conductive material including, for example, molybdenum (Mo), aluminum (Al), copper (Cu), and titanium (Ti), and may be formed as a multilayer or single layer including the above materials. For example, the second storage capacitor plate CE2 may be a single layer of Mo or a multilayer of Mo / Al / Mo.

[0133] Although Figure 6 The storage capacitor Cst overlaps the thin film transistor TFT, but the disclosure is not limited thereto. For example, in an exemplary embodiment, the storage capacitor Cst does not overlap the thin film transistor TFT.

[0134] The interlayer insulating layer 115 may cover the second storage capacitor plate CE2 of the storage capacitor Cst. The interlayer insulating layer 115 may include, for example, silicon oxide (SiO2), silicon nitride (SiN x), silicon oxynitride (SiON), aluminum oxide (Al2O3), titanium oxide (TiO2), tantalum oxide (Ta2O5), hafnium oxide (HfO2), zinc oxide (ZnO2), etc.

[0135] The source electrode S and the drain electrode D may be disposed on the interlayer insulating layer 115. Each of the source electrode S and the drain electrode D may include a conductive material including, for example, Mo, Al, Cu, and Ti, and may be a multilayer or single layer including the above materials. For example, each of the source electrode S and the drain electrode D may be a multilayer of Ti / Al / Ti.

[0136] The via layer 117 and the additional via layer 118 may be located on the source electrode S and the drain electrode D, and the organic light emitting diode OLED may be located on the additional via layer 118 in the region of the pixel P. According to an exemplary embodiment, the additional via layer 118 may be omitted.

[0137] The via layer 117 and the additional via layer 118 may have a flat upper surface so that the pixel electrode 310 may be formed flatly. The via layer 117 and the additional via layer 118 may be formed as a single layer including an organic material, or may be formed as a multilayer including an organic material. The via layer 117 and the additional via layer 118 may include a general polymer (such as benzocyclobutene (BCB), polyimide, hexamethyldisiloxane (HMDSO), polymethyl methacrylate (PMMA) or polystyrene (PS) as an example), a polymer derivative with a phenol group, an acrylic polymer, an imide polymer, an propylene ether polymer, an amide polymer, a fluorine polymer, a paraxylene polymer, a vinyl alcohol polymer, a blend thereof, etc. The via layer 117 and the additional via layer 118 may include an inorganic material. The via layer 117 and the additional via layer 118 may include, for example, silicon oxide (SiO2), silicon nitride (SiN x ), silicon oxynitride (SiON), aluminum oxide (Al2O3), titanium oxide (TiO2), tantalum oxide (Ta2O5), hafnium oxide (HfO2), zinc oxide (ZnO2), etc. When the via layer 117 and the additional via layer 118 include an inorganic material, chemical planarization polishing may be performed. The via layer 117 may include both organic and inorganic materials.

[0138] In the display area DA of the main substrate 100, the organic light emitting diode OLED is positioned on the additional via layer 118. The organic light emitting diode OLED includes a pixel electrode 310, an intermediate layer 320 including an organic emission layer, and an opposing electrode 330.

[0139] A via hole exposing one of the source electrode S and the drain electrode D of the thin film transistor TFT is located in the via layer 117 and the additional via layer 118 , and the pixel electrode 310 contacts the source electrode S or the drain electrode D through the via hole and is electrically connected to the thin film transistor TFT.

[0140] The pixel electrode 310 may be a (semi) light-transmitting electrode or a reflective electrode. According to an exemplary embodiment, the pixel electrode 310 may include a reflective layer formed of, for example, silver (Ag), magnesium (Mg), aluminum (Al), platinum (Pt), palladium (Pd), gold (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr), or a mixture thereof, and a transparent electrode layer or a semi-transparent electrode layer formed on the reflective layer. The transparent electrode layer or the semi-transparent electrode layer may include, for example, at least one of indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium oxide (In2O3), indium gallium oxide (IGO), and aluminum zinc oxide (AZO). According to an exemplary embodiment, the pixel electrode 310 may have a stacked structure of ITO / Ag / ITO.

[0141] The pixel-defining layer 119 may be disposed on the additional via layer 118. The pixel-defining layer 119 may include openings corresponding to the pixel electrodes 310 (e.g., openings OP exposing at least the central portion of the pixel electrode 310) in the display area DA, thereby defining the light-emitting region of the pixel P. The pixel-defining layer 119 may prevent arcing, etc., from occurring at the edge of the pixel electrode 310 by increasing the distance between the edge of the pixel electrode 310 and the edge of the counter electrode 330 disposed on the pixel electrode 310. The pixel-defining layer 119 may be formed of an organic insulating material such as polyimide, polyamide, acrylic resin, benzocyclobutene, hexamethyldisiloxane (HMDSO), or phenolic resin, by spin coating or the like.

[0142] The pixel P, more specifically, the light emitting area of ​​the pixel P may be defined by the opening OP of the pixel defining layer 119. For example, the edge of the pixel P may refer to the edge of the opening OP of the pixel defining layer 119. The edge of the opening OP of the pixel defining layer 119 may refer to the boundary of the pixel electrode 310 exposed through the opening OP.

[0143] The intermediate layer 320 of the organic light emitting diode OLED may include an organic emission layer 321 , and a first common layer 322 and a second common layer 323 that may be disposed on the bottom and top of the organic emission layer 321 , respectively.

[0144] The organic emission layer 321 may include an organic material including a fluorescent material or a phosphorescent material that emits red, green, blue, or white light. The organic emission layer 321 may include a low molecular weight organic material or a high molecular weight organic material.

[0145] The first common layer 322 may include a hole injection layer (HIL) and / or a hole transport layer (HTL), and the second common layer 323 may include an electron transport layer (ETL) and / or an electron injection layer (EIL).

[0146] The intermediate layer 320 may correspond to each of the plurality of pixel electrodes 310. However, exemplary embodiments are not limited thereto. The intermediate layer 320 may include a single layer extending above the plurality of pixel electrodes 310, namely, a first common layer 322 and / or a second common layer 323. In exemplary embodiments, the first common layer 322 and / or the second common layer 323 may be omitted.

[0147] The counter electrode 330 may be a light-transmitting electrode or a reflective electrode. According to an exemplary embodiment, the counter electrode 330 may be a transparent electrode or a semi-transparent electrode and may include a metal film having a small work function, the metal film including, for example, lithium (Li), calcium (Ca), lithium fluoride / calcium (LiF / Ca), lithium fluoride / aluminum (LiF / Al), aluminum (Al), silver (Ag), magnesium (Mg) or a mixture thereof. A TCO layer including a transparent conductive oxide (TCO, such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO) or indium oxide (In2O3) as an example) may be further provided on the metal film. The counter electrode 330 may extend across the display area DA and may be arranged on the intermediate layer 320 and the pixel defining layer 119. The counter electrode 330 may be formed as a single body extending across a plurality of organic light emitting diodes OLED and may therefore correspond to a plurality of pixel electrodes 310.

[0148] When the pixel electrode 310 is a reflective electrode and the counter electrode 330 is a light-transmitting electrode, light emitted by the intermediate layer 320 is emitted toward the counter electrode 330, and thus the display device 1 may be a top-emission type. When the pixel electrode 310 is a transparent electrode or a semi-transparent electrode and the counter electrode 330 is a reflective electrode, light emitted by the intermediate layer 320 is emitted toward the main substrate 100, and thus the display device 1 may be a bottom-emission type. However, exemplary embodiments are not limited thereto. The display device 1 according to exemplary embodiments may be a dual-emission type in which light is emitted toward both the top and bottom surfaces of the display device 1.

[0149] Since the opposing electrode 330 is formed across the entire display panel 10 by using an open mask, the opposing electrode 330 may correspond to the pixel P.

[0150] The capping layer 340 may be disposed on the counter electrode 330. The capping layer 340 may have a refractive index lower than that of the counter electrode 330. As a result, the light emitting efficiency may be improved by increasing the percentage of light generated by the intermediate layer 320 including the organic emission layer 321 that is totally reflected and thus not emitted to the outside of the display panel 10.

[0151] For example, the capping layer 340 may include an organic material such as poly(3,4-ethylenedioxythiophene) (PEDOT), 4,4′-bis[N-(3-methylphenyl)-N-phenylamino]biphenyl (TPD), 4,4′,4″-tris[(3-methylphenyl)phenylamino]triphenylamine (m-MTDATA), 1,3,5-tris[N,N-bis(2-methylphenyl)-amino]-benzene (o-MTDAB), 1,3,5-tris[N,N-bis(3-methylphenyl)-amino]-benzene (m-MTDAT), 1,3,5-tris[N ,N-bis(4-methylphenyl)-amino]-benzene (p-MTDAB), 4,4'-bis[N,N-bis(3-methylphenyl)-amino]-diphenylmethane (BPPM), 4,4'-dicarbazolyl-1,1'-biphenyl (CBP), 4,4',4"-tris(N-carbazolyl)triphenylamine (TCTA), 2,2',2"-(1,3,5-benzyltriyl)tris-[1-phenyl-1H-benzimidazole] (TPBI), and 3-(4-biphenyl)-4-phenyl-5-tert-butylphenyl-1,2,4-triazole (TAZ).

[0152] Alternatively, the capping layer 340 may include an inorganic material such as zinc oxide, titanium oxide, zirconium oxide, silicon nitride, niobium oxide, tantalum oxide, tin oxide, nickel oxide, indium nitride, or gallium nitride. The material for forming the capping layer 340 is not limited thereto, and various other materials may be used.

[0153] A capping layer may be disposed on the cover layer 340. The capping layer may protect the organic light emitting diode OLED from damage that may occur during a subsequent process using, for example, plasma, etc. The capping layer may include lithium fluoride (LiF).

[0154] As described above, the encapsulation member may be disposed on the organic light emitting diode OLED.

[0155] Figure 8 and Figure 9 yes Figure 5 1 is an equivalent circuit diagram of each pixel P of the display panel 10.

[0156] Reference Figure 8 and Figure 9 Each pixel P includes a pixel circuit PC and an organic light emitting diode OLED connected to the pixel circuit PC. The pixel circuit PC may include a driving thin film transistor (TFT) T1, a switching TFT T2, and a storage capacitor Cst.

[0157] The switching TFT T2 is connected to the scan line SL and the data line DL, and transmits a data voltage received via the data line DL to the driving TFT T1 according to a switching voltage received via the scan line SL. The storage capacitor Cst is connected to the switching TFT T2 and the driving voltage line PL, and stores a voltage corresponding to a difference between a voltage received from the switching TFT T2 and a driving voltage ELVDD supplied to the driving voltage line PL.

[0158] The driving TFT T1 is connected to the driving voltage line PL and the storage capacitor Cst and can control the driving current flowing from the driving voltage line PL to the organic light emitting diode OLED according to the voltage value stored in the storage capacitor Cst. The organic light emitting diode OLED can emit light with a certain brightness due to the driving current. The counter electrode (e.g., cathode) of the organic light emitting diode OLED can receive a common voltage ELVSS.

[0159] Although Figure 8 , the pixel circuit PC includes two TFTs and one storage capacitor, but the disclosure is not limited thereto. For example, the number of TFTs and the number of storage capacitors may vary depending on the design of the pixel circuit PC.

[0160] Reference Figure 9 The pixel circuit PC may include a plurality of TFTs and storage capacitors. The TFTs and storage capacitors may be connected to the signal lines SL, SIL, EL, and DL, the initialization voltage line VL, and the driving voltage line PL.

[0161] Although Figure 9 Each pixel P is connected to the signal lines SL, SIL, EL, and DL, the initialization voltage line VL, and the driving voltage line PL, but the disclosure is not limited thereto. For example, according to an exemplary embodiment, at least one of the initialization voltage line VL, the driving voltage line PL, and the signal lines SL, SIL, EL, and DL may be shared by adjacent pixels.

[0162] The plurality of TFTs may include a driving TFT T1 , a switching TFT T2 , a compensation TFT T3 , a first initialization TFT T4 , an operation control TFT T5 , a light emission control TFT T6 , and a second initialization TFT T7 .

[0163] The signal lines SL, SIL, EL, and DL may include a scan line SL that transmits a scan signal GW, a previous scan line SIL that transmits a previous scan signal SI to a second initialization TFT T7, a light emitting control line EL that transmits a light emitting control signal EM to the operation control TFT T5 and the light emitting control TFT T6, and a data line DL that crosses the scan line SL and transmits a data signal Dm. A driving voltage line PL transmits a driving voltage ELVDD to the driving TFT T1, and an initialization voltage line VL transmits an initialization voltage Vint that initializes the driving TFT T1 and the pixel electrode of the organic light emitting diode OLED.

[0164] The driving TFT T1 includes a driving gate electrode G1 connected to a first storage capacitor plate CE1 of a storage capacitor Cst, a driving source electrode S1 connected to a driving voltage line PL via an operation control TFT T5, and a driving drain electrode D1 electrically connected to a pixel electrode of the organic light emitting diode OLED via a light emission control TFT T6. The driving TFT T1 receives a data signal Dm according to a switching operation of the switching TFT T2 and converts a driving current I OLED Supply to the organic light emitting diode OLED.

[0165] The switching TFT T2 includes a switching gate electrode G2 connected to the scan line SL, a switching source electrode S2 connected to the data line DL, and a switching drain electrode D2 connected to the driving source electrode S1 of the driving TFT T1 and further connected to the driving voltage line PL via the operation control TFT T5. The switching TFT T2 is turned on according to the scan signal GW received via the scan line SL and performs a switching operation of transmitting the data signal Dm received from the data line DL to the driving source electrode S1 of the driving TFT T1.

[0166] The compensation TFT T3 includes a compensation gate electrode G3 connected to the scan line SL, a compensation source electrode S3 connected to the driving drain electrode D1 of the driving TFT T1 and further connected to the pixel electrode of the organic light emitting diode OLED via the light emission control TFT T6, and a first storage capacitor plate CE1 connected to the storage capacitor Cst, the first initialization drain electrode D4 of the first initialization TFT T4, and the compensation drain electrode D3 connected to the driving gate electrode G1 of the driving TFT T1. The compensation TFT T3 is turned on according to the scan signal GW received via the scan line SL and electrically connects the driving gate electrode G1 and the driving drain electrode D1 of the driving TFT T1 to each other, so that the driving TFT T1 is connected in a diode form.

[0167] The first initialization TFT T4 includes a first initialization gate electrode G4 connected to the previous scan line SIL, a second initialization drain electrode D7 connected to the second initialization TFT T7 and the initialization voltage line VL, and a first initialization drain electrode D4 connected to the first storage capacitor plate CE1 of the storage capacitor Cst, the compensation drain electrode D3 of the compensation TFT T3, and the driving gate electrode G1 of the driving TFT T1. The first initialization TFT T4 is turned on according to the previous scan signal SI received via the previous scan line SIL and transmits the initialization voltage Vint to the driving gate electrode G1 of the driving TFT T1, thereby initializing the voltage of the driving gate electrode G1 of the driving TFT T1.

[0168] The operation control TFT T5 includes an operation control gate electrode G5 connected to the light emitting control line EL, an operation control source electrode S5 connected to the driving voltage line PL, and an operation control drain electrode D5 connected to the driving source electrode S1 of the driving TFT T1 and the switching drain electrode D2 of the switching TFT T2.

[0169] The light emission control TFT T6 includes a light emission control gate electrode G6 connected to the light emission control line EL, a light emission control source electrode S6 connected to the driving drain electrode D1 of the driving TFT T1 and the compensation source electrode S3 of the compensation TFT T3, and a light emission control drain electrode D6 electrically connected to the second initialization source electrode S7 of the second initialization TFT T7 and the pixel electrode of the organic light emitting diode OLED.

[0170] The operation control TFT T5 and the light emitting control TFT T6 are simultaneously turned on according to the light emitting control signal EM received via the light emitting control line EL. Therefore, the driving voltage ELVDD is transmitted to the organic light emitting diode OLED so that the driving current I OLED Can flow in organic light-emitting diodes (OLEDs).

[0171] The second initialization TFT T7 includes a second initialization gate electrode G7 connected to the previous scan line SIL, a second initialization source electrode S7 connected to the light emission control drain electrode D6 of the light emission control TFT T6 and the pixel electrode of the organic light emitting diode OLED, and a second initialization drain electrode D7 connected to the first initialization source electrode S4 of the first initialization TFT T4 and the initialization voltage line VL. The second initialization TFT T7 is turned on according to the previous scan signal S1 received through the previous scan line SIL and initializes the pixel electrode of the organic light emitting diode OLED.

[0172] Although Figure 9The first initialization TFT T4 and the second initialization TFT T7 are connected to the previous scan line SIL, but the disclosure is not limited thereto. For example, according to an exemplary embodiment, the first initialization TFT T4 may be connected to the previous scan line SIL and operate according to the previous scan signal S1, and the second initialization TFT T7 may be connected to a separate signal line (e.g., a subsequent scan line) and operate according to a signal transmitted to the separate signal line.

[0173] The second storage capacitor plate CE2 of the storage capacitor Cst is connected to the driving voltage line PL, and the counter electrode of the organic light emitting diode OLED is connected to the common voltage ELVSS. Therefore, the organic light emitting diode OLED can receive the driving current I from the driving TFT T1. OLED and emits light, thereby displaying images.

[0174] Although Figure 9 Each of the compensation TFT T3 and the first initialization TFT T4 has a double gate electrode, but the exemplary embodiment is not limited thereto. For example, in the exemplary embodiment, each of the compensation TFT T3 and the first initialization TFT T4 may have a single gate electrode.

[0175] Figure 10 yes Figure 5 FIG. 1 is a planar layout diagram of a pixel circuit PC of a display panel 10 .

[0176] Reference Figure 10 , a driving TFT T1, a switching TFT T2, a compensation TFT T3, a first initialization TFT T4, an operation control TFT T5, a light emission control TFT T6, and a second initialization TFT T7 are arranged along the semiconductor layer 1130. The semiconductor layer 1130 is arranged on a substrate having a buffer layer including an inorganic insulating material arranged thereon.

[0177] Some areas of the semiconductor layer 1130 correspond to the semiconductor layers of the driving TFT T1, the switching TFT T2, the compensating TFT T3, the first initialization TFT T4, the operation control TFT T5, the light emission control TFT T6, and the second initialization TFT T7. For example, the semiconductor layers of the driving TFT T1, the switching TFT T2, the compensating TFT T3, the first initialization TFT T4, the operation control TFT T5, the light emission control TFT T6, and the second initialization TFT T7 may be connected to each other and bent in various shapes.

[0178] The semiconductor layer 1130 includes a channel region and source and drain regions disposed on opposite sides of the channel region. The source and drain regions may be source and drain electrodes of the associated TFT. Hereinafter, for ease of description, the source and drain regions are referred to as source and drain electrodes, respectively.

[0179] The driving TFT T1 includes a driving gate electrode G1 overlapping a driving channel region, and a driving source electrode S1 and a driving drain electrode D1 disposed on opposite sides of the driving channel region. The driving channel region overlapping the driving gate electrode G1 can have a curved shape, such as an omega (Ω) shape, to form a long channel within a narrow space. A longer driving channel region widens the gate voltage driving range. As a result, the grayscale of light emitted from the organic light-emitting diode (OLED) can be more finely controlled, improving display quality.

[0180] The switching TFT T2 includes a switching gate electrode G2 overlapping a switching channel region, and a switching source electrode S2 and a switching drain electrode D2 disposed on two opposite sides of the switching channel region. The switching drain electrode D2 may be connected to the driving source electrode S1.

[0181] The compensation TFT T3 is a dual TFT and thus may include a compensation gate electrode G3 overlapping two compensation channel regions, and may include a compensation source electrode S3 and a compensation drain electrode D3 arranged on two opposite sides of the compensation channel region. The compensation TFT T3 may be connected to the driving gate electrode G1 of the driving TFT T1 via a node connection line 1174, which will be described later.

[0182] The first initialization TFT T4 is a double TFT and thus may include a first initialization gate electrode G4 respectively overlapping two first initialization channel regions, and include a first initialization source electrode S4 and a first initialization drain electrode D4 arranged on two opposite sides of the first initialization channel region.

[0183] The operation control TFT T5 may include an operation control gate electrode G5 overlapping an operation control channel region, and an operation control source electrode S5 and an operation control drain electrode D5 arranged on two opposite sides of the operation control channel region. The operation control drain electrode D5 may be connected to the driving source electrode S1.

[0184] The light emission control TFT T6 may include a light emission control gate electrode G6 overlapping a light emission control channel region and light emission control source and drain electrodes S6 and D6 disposed on opposite sides of the light emission control channel region. The light emission control source electrode S6 may be connected to the driving drain electrode D1.

[0185] The second initialization TFT T7 may include a second initialization gate electrode G7 overlapping the second initialization channel region, and a second initialization source electrode S7 and a second initialization drain electrode D7 arranged on two opposite sides of the second initialization channel region.

[0186] The above-mentioned TFTs may be connected to the signal lines SL, SIL, EL, and DL, the initialization voltage line VL, and the driving voltage line PL.

[0187] The scan line SL, the previous scan line SIL, the light emission control line EL, and the driving gate electrode G1 may be disposed on the semiconductor layer 1130 with an insulating layer disposed therebetween.

[0188] The scan line SL may extend in the first direction. Some regions of the scan line SL may correspond to the switching gate electrode G2 and the compensation gate electrode G3. For example, regions of the scan line SL that overlap with the channel regions of the switching TFT T2 and the compensation TFT T3 may correspond to the switching gate electrode G2 and the compensation gate electrode G3, respectively.

[0189] The previous scan line SIL may extend in a first direction (e.g., along the X-axis direction), and some regions of the previous scan line SIL may correspond to the first initialization gate electrode G4 and the second initialization gate electrode G7, respectively. For example, regions of the previous scan line SIL that overlap with respective channel regions of the first initialization TFT T4 and the second initialization TFT T7 may be the first initialization gate electrode G4 and the second initialization gate electrode G7, respectively.

[0190] The light emission control line EL may extend in the first direction. Some regions of the light emission control line EL may correspond to the operation control gate electrode G5 and the light emission control gate electrode G6, respectively. For example, regions of the light emission control line EL that overlap with the channel regions of the operation control TFT T5 and the light emission control TFT T6 may correspond to the operation control gate electrode G5 and the light emission control gate electrode G6, respectively.

[0191] The driving gate electrode G1 is a floating electrode, and thus can be electrically connected to the compensation TFT T3 through the node connection line 1174 .

[0192] The electrode voltage line HL may be disposed on the scan line SL, the previous scan line SIL, the light emission control line EL, and the driving gate electrode G1 with insulating layer(s) interposed therebetween.

[0193] The electrode voltage line HL may extend in a first direction to intersect the data line DL and the drive voltage line PL. A portion of the electrode voltage line HL may overlap at least a portion of the drive gate electrode G1 and form a storage capacitor Cst together with the drive gate electrode G1. For example, the drive gate electrode G1 may function as a first storage capacitor plate CE1 of the storage capacitor Cst, and a portion of the electrode voltage line HL may function as a second storage capacitor plate CE2 of the storage capacitor Cst.

[0194] The second storage capacitor plate CE2 of the storage capacitor Cst is electrically connected to the driving voltage line PL. In this regard, the electrode voltage line HL can be connected to the driving voltage line PL arranged above the electrode voltage line HL through the contact hole CNT. Therefore, the electrode voltage line HL can have the same voltage level (e.g., a constant voltage) as the driving voltage line PL. For example, the electrode voltage line HL can have a constant voltage of approximately 5V. The electrode voltage line HL can be a horizontal driving voltage line.

[0195] Because the driving voltage lines PL extend in the second direction and the electrode voltage lines HL electrically connected to the driving voltage lines PL extend in the first direction crossing the second direction, the plurality of driving voltage lines PL and the plurality of electrode voltage lines HL may form a mesh structure in the display area DA.

[0196] According to exemplary embodiments, the electrode voltage line HL may be disposed on a different layer from a layer on which the driving voltage line PL is disposed, and may have a resistivity greater than that of the driving voltage line PL.

[0197] The data line DL, the driving voltage line PL, the initialization link line 1173, and the node connection line 1174 may be disposed on the electrode voltage line HL with insulating layer(s) interposed therebetween.

[0198] The data line DL may extend in the second direction and may be connected to the switching source electrode S2 of the switching TFT T2 through the contact hole 1154. A portion of the data line DL may be understood as the switching source electrode S2.

[0199] The driving voltage line PL extends in the second direction as described above and is connected to the electrode voltage line HL through the contact hole CNT. The driving voltage line PL can also be connected to the operation control TFT T5 through the contact hole 1155. The driving voltage line PL can be connected to the operation control source electrode S5 through the contact hole 1155.

[0200] One end of the initialization connection line 1173 may be connected to the first and second initialization TFTs T4 and T7 through the contact hole 1152 , and the other end of the initialization connection line 1173 may be connected to an initialization voltage line VL to be described below through the contact hole 1151 .

[0201] One end of the node connection line 1174 may be connected to the compensation drain electrode D3 through the contact hole 1156 , and the other end of the node connection line 1174 may be connected to the driving gate electrode G1 through the contact hole 1157 .

[0202] The initialization voltage line VL may be disposed on the data line DL, the driving voltage line PL, the initialization link line 1173, and the node connection line 1174 with insulating layer(s) interposed therebetween.

[0203] The initialization voltage line VL extends in the first direction and may be connected to the first initialization TFT T4 and the second initialization TFT T7 through the initialization connection line 1173. The initialization voltage line VL may have a constant voltage (eg, approximately -2V).

[0204] The initialization voltage line VL may be arranged on the same layer as the layer on which the second storage capacitor plate CE2 (i.e., the electrode voltage line HL) is arranged, and may include the same material as the material included in the second storage capacitor plate CE2 (i.e., the electrode voltage line HL). In the display area DA, the pixel electrode of the organic light emitting diode OLED may be connected to the light emission control TFT T6. The pixel electrode may be connected to the connection metal 1175 through the contact hole 1163, and the connection metal 1175 may be connected to the light emission control drain electrode D6 through the contact hole 1153.

[0205] Figure 11 is a schematic diagram showing the arrangement of Figure 5 FIG. 1 is a plan view of an arrangement of some lines around the first region R1 of the display panel 10 .

[0206] Figure 11 Some of the scan lines SL, data lines DL, driving voltage lines PL, and electrode voltage lines HL arranged around the first region R1 are shown. Figure 11 In the figure, some wirings connected to the pixels P are not shown for clarity.

[0207] The scan lines SL may each extend in a first direction, and the data lines DL may each extend in a second direction to cross the scan lines SL.

[0208] In the first non-display area NDA1, some scan lines SLa may bypass the first region R1. For example, some scan lines SLa may bend along the upper edge of the first region R1, and other scan lines SLa may bend along the lower edge of the first region R1. According to an exemplary embodiment, in the first non-display area NDA1, the scan lines SLb may each extend substantially straight in the first direction (X-axis direction) without being bent along the first region R1. According to an exemplary embodiment, the scan lines SLb may be arranged so that they do not pass through the first non-display area NDA1.

[0209] In the first non-display area NDA1, some data lines DLa may bypass the first region R1. For example, some data lines DLa may bend along the left edge of the first region R1, and other data lines DLa may bend along the right edge of the first region R1. According to an exemplary embodiment, in the first non-display area NDA1, the data lines DLb may each extend substantially straight in the second direction (Y-axis direction) without being bent along the first region R1. According to an exemplary embodiment, the data lines DLb may be arranged so that they do not pass through the first non-display area NDA1.

[0210] The driving voltage lines PLa and PLb can be arranged on the same layer as the layer on which the data lines DLa and DLb are arranged, and can be spaced apart from the data lines DLa and DLb. The driving voltage lines PLa and PLb can each extend in the second direction so that the driving voltage lines PLa and PLb intersect with the scan lines SLa and SLb. Some of the driving voltage lines PLa and PLb can each extend continuously to cross the first non-display area NDA1, but the driving voltage lines PLa arranged around the first area R1 can be discontinuous around the first area R1. For example, multiple driving voltage lines PLa can be arranged separately from each other with the first area R1 arranged between them. Similarly, multiple driving voltage lines PLa can be arranged separately from each other with the second area R2 arranged between them.

[0211] Each of the electrode voltage lines HLa and HLb can extend in a first direction to intersect the drive voltage lines PLa and PLb. Some of the electrode voltage lines HLa and HLb can extend continuously across the first non-display area NDA1, but some of the electrode voltage lines HLa and HLb can be discontinuous around the first region R1 and the second region R2. For example, multiple electrode voltage lines HLa can be arranged separately from each other with the first region R1 disposed therebetween. Similarly, multiple electrode voltage lines HLa can be arranged separately from each other with the second region R2 disposed therebetween.

[0212] Because the driving voltage lines PLa and PLb both extend in the second direction, and the electrode voltage lines HLa and HLb electrically connected to the driving voltage lines PLa and PLb both extend in the first direction intersecting the second direction, the multiple driving voltage lines PLa and PLb and the multiple electrode voltage lines HLa and HLb arranged between the first region R1 and the second region R2 can form a mesh structure.

[0213] According to exemplary embodiments, such driving voltage lines PLa and PLb may be arranged such that they do not pass through the first non-display area NDA1.

[0214] Figure 12 is a plan view of a portion of the display panel 10 according to an exemplary embodiment.

[0215] Reference Figure 12 , the size and / or shape of the first region R1 and the second region R2 may be approximately equal to each other. The first non-display area NDA1 arranged around the respective peripheries of the first region R1 and the second region R2 may surround the first region R1 and the second region R2 and may have a shape symmetrical about a first center line CLI1 extending in the second direction (Y-axis direction). In this case, the first region R1 and the second region R2 may be arranged to be symmetrical to each other about the first center line CLI1.

[0216] The first region R1 and the second region R2 may be arranged on the substrate in the same manner as described above. Figures 5 to 7 The same location as described.

[0217] Figure 13 is a plan view of a portion of the display panel 10 according to an exemplary embodiment.

[0218] Reference Figure 13 , the first region R1 and the second region R2 may both have a circular shape, and the diameter of the first region R1 and the diameter of the second region R2 may be approximately equal to each other. In this case, one of the first region R1 and the second region R2 may be arranged on the first center line CLI1. For example, the center of one of the first region R1 and the second region R2 may be arranged on the first center line CLI1. The other of the first region R1 and the second region R2 may be closer to the long side of the substrate than the one of the first region R1 and the second region R2. For example, the distance between the other of the first region R1 and the second region R2 and the adjacent long side of the substrate may be smaller than the distance between the one of the first region R1 and the second region R2 and the long side of the substrate. The other of the first region R1 and the second region R2 may be spaced apart from the one of the first region R1 and the second region R2 in the first direction.

[0219] The first non-display area NDA1 may surround the first region R1 and the second region R2. In this case, the first region R1 and the second region R2 may be disposed within the first non-display area NDA1.

[0220] The outline of the first non-display area NDA1 may include a first curve CL1 that is curved along an edge of the first region R1, a second curve CL2 that is curved along an edge of the second region R2, and two basic straight lines SL1 and SL2 that are parallel to each other and connect the curves CL1 and CL2 to each other. For example, the first curve CL1 and the second curve CL2 may be respectively arranged around the first region R1 and the second region R2, and the two basic straight lines SL1 and SL2 may be arranged between the first region R1 and the second region R2 to connect the first curve CL1 and the second curve CL2 to each other. Therefore, the width Ws between the two basic straight lines SL1 and SL2 that extend parallel to each other may be the smallest among the widths of the first non-display area NDA1 in the second direction. For example, the width Ws between the two basic straight lines SL1 and SL2 may be smaller (Ws) than each of the width Wc1 between the upper portion of the first curve CL1 and the lower portion of the first curve CL1 arranged around the first region R1 and the width Wc2 between the upper portion of the second curve CL2 and the lower portion of the second curve CL2 arranged around the second region R2. <Wc1、Wc2)。

[0221] The first region R1 and the second region R2 may be arranged on the substrate in the same manner as described above. Figures 5 to 7 The same location as described.

[0222] Figure 14 is a plan view of a portion of the display panel 10 according to an exemplary embodiment.

[0223] Reference Figure 14 , the first region R1 and the second region R2 may be circular. In this case, the diameter (or radius) of the first region R1 may be different from the diameter (or radius) of the second region R2. For example, the diameter of the first region R1 may be larger than the diameter of the second region R2. In this case, the second region R2 may be arranged on the first center line CLI1. For example, the center of the second region R2 may be arranged on the first center line CLI1. Therefore, in an exemplary embodiment, when the first region R1 and the second region R2 have different diameters, the region with the smaller diameter may be arranged so that its center is arranged on the first center line CLI1.

[0224] In this case, the first non-display area NDA1 may have various shapes. According to an exemplary embodiment, the first non-display area NDA1 may have a symmetrical shape about a reference line RL extending between the first and second regions R1 and R2 and extending in the second direction (Y-axis direction).

[0225] The first region R1 and the second region R2 may be arranged on the substrate in the same manner as described above. Figures 5 to 7 The same location as described.

[0226] For example, the shortest distance from an edge of one of the first and second regions R1 and R2 closer to a short side of the substrate to the short side of the substrate may be about 1 / 5 or more of the length of the long side of the substrate.

[0227] A distance from the center of one of the first and second regions R1 and R2 closer to the long side of the substrate to the long side of the substrate may be about ½ or more of a distance from the first center line CLI1 to the long side of the substrate.

[0228] Figure 15 is a plan view of a portion of the display panel 10 according to an exemplary embodiment.

[0229] Reference Figure 15 , when the first region R1 and the second region R2 are both circular and have different diameters, the first non-display area NDA1 may have an asymmetrical shape.

[0230] For example, the left outline of the first non-display area NDA1 may be spaced apart from the first region R1 by a distance d, and the right outline of the first non-display area NDA1 may be spaced apart from the second region R2 by a distance d. Therefore, the width of the first non-display area NDA1 in the second direction may gradually decrease in the first direction.

[0231] This layout of the first region R1 and the second region R2 can be compared with the above reference Figure 14 The layout described is the same or similar.

[0232] Figure 16 is a plan view of a portion of the display panel 10 according to an exemplary embodiment.

[0233] Reference Figure 16 , when the first region R1 and the second region R2 are both circular and have different diameters, the first non-display area NDA1 may have an asymmetrical shape.

[0234] For example, the outline of the first non-display area NDA1 may include a first curve CL1 that is curved along the edge of the first region R1, a second curve CL2 that is curved along the edge of the second region R2, and two basic straight lines SL1 and SL2 that are parallel to each other and connect the curves CL1 and CL2 to each other. For example, the first curve CL1 and the second curve CL2 may be respectively arranged around the first region R1 and the second region R2, and the two basic straight lines SL1 and SL2 may be arranged between the first region R1 and the second region R2 to connect the first curve CL1 and the second curve CL2 to each other. Therefore, the width Ws between the two basic straight lines SL1 and SL2 that are parallel to each other may be the smallest among the widths of the first non-display area NDA1 in the second direction. For example, the width Ws between the two basic straight lines SL1 and SL2 may be smaller (Ws) than each of the width Wc1 between the upper portion of the first curve CL1 and the lower portion of the first curve CL1 arranged around the first region R1 and the width Wc2 between the upper portion of the second curve CL2 and the lower portion of the second curve CL2 arranged around the second region R2. <Wc1、Wc2)。

[0235] This layout of the first region R1 and the second region R2 can be compared with the above reference Figure 14 The layout described is the same or similar.

[0236] In other cases, the first region R1 and the second region R2 are not arranged on the first center line CLI1. In this case, one of the first region R1 and the second region R2 having a smaller diameter may be closer to the first center line CLI1 than the other of the first region R1 and the second region R2 having a larger diameter. Figure 15 As shown in , the center of the second region R2 may be closer to the first center line CLI1 than the center of the first region R1.

[0237] In such a case, as mentioned above Figures 5 to 7 As described above, when an impact is applied to one of the corners of the substrate, more stress is concentrated on the edge portion of the second region R2 having a smaller diameter than on the first region R1 having a larger diameter. At this time, the generated stress can be reduced in a direction toward the center of one of the short side and the long side of the substrate.

[0238] Therefore, the second region R2 having more stress concentrated thereon than the first region R1 can be arranged closer to the center of one of the short sides and the long sides of the substrate, thereby preventing or reducing damage to the second region R2 having a smaller diameter due to excessive stress concentration on the second region R2.

[0239] Figure 17 is shown when a shock is applied to Figure 5The display panel 10 time Figure 5 A graph showing the relationship between the distance from the center line of the display panel 10 and the stress.

[0240] Reference Figure 17 , when an impact is applied to one of the corners of the substrate, stress may change along one of the long and short sides of the substrate in a direction away from a center of the one of the long and short sides of the substrate.

[0241] For example, in a direction along a short side of the substrate away from the center of the short side of the substrate, the stress may increase and then have a maximum value, and may decrease after the maximum value.

[0242] In a direction away from the center of the long side of the substrate along the long side of the substrate, the stress may increase and then have a maximum value, and may decrease after the maximum value.

[0243] When an impact is applied to one of the corners of the substrate, the stress generated may have an inflection point PR in both the long and short directions of the substrate. The inflection point PR may not be predicted by using a function having different generated stresses. As described above, because the inflection point PR is close to the maximum stress value, excessive stress may be concentrated on the first region R1 and / or the second region R2 or the portion of the substrate with the maximum stress, and the first region R1 and / or the second region R2 may overlap each other.

[0244] Therefore, the first region R1 and / or the second region R2 may be arranged so that they do not overlap with the region between the inflection point PR of the long side of the substrate and one of the short sides of the substrate where the stress is the same. Therefore, damage to the display panel 10 and / or the display device 1 due to application of external force may be prevented or reduced.

[0245] Figure 18 is a plan view of a display panel 10 - 1 of a display device according to an exemplary embodiment.

[0246] Reference Figure 18 The display device includes a light-emitting display area DA-1 and a non-light-emitting non-display area NDA-1.

[0247] The display device may provide an image through the display area DA-1. The display device may include, for example, an LCD, an electrophoretic display, an organic light emitting diode (OLED) display, an inorganic light emitting display, a quantum dot light emitting display, a field emission display, a surface conduction electron emission display, a plasma display, or a cathode ray display.

[0248] Although an OLED display will now be illustrated and described as a display device according to exemplary embodiments, the disclosure is not limited thereto, and various types of display devices may be used.

[0249] Such a display device may include a display panel 10 - 1 including a display element.

[0250] The display panel 10-1 includes a plurality of pixels P-1 arranged in a display area DA-1. Each pixel P-1 may include a display element, such as an organic light-emitting diode. The pixel P-1 may emit, for example, red light, green light, blue light, or white light via the organic light-emitting diode. The pixel P-1 used herein may be a pixel that emits one of the red light, green light, blue light, and white light described above. The display area DA-1 may be covered by an encapsulation member and thus protected from, for example, ambient air, moisture, and the like.

[0251] The non-display area NDA-1 may include a first non-display area NDA1-1, a second non-display area NDA2-1, and a third non-display area NDA3-1. The first non-display area NDA1-1 surrounds the first region R1-1, and the second non-display area NDA2-1 surrounds the second region R2-1. The first non-display area NDA1-1 and the second non-display area NDA2-1 are areas in which no image is displayed. Signal lines that provide signals to pixels P-1 surrounding the first and second regions R1-1 and R2-1 may be arranged in the first and second non-display areas NDA1-1, respectively.

[0252] The third non-display area NDA3-1 may include a scan driver 1000-1 supplying a scan signal to the pixel P-1, a data driver 2000-1 supplying a data signal to the pixel P-1, and a main power line supplying a driving voltage and a common voltage.

[0253] The first and second regions R1-1 and R2-1 may be arranged in the first direction. In this case, the first and second non-display regions NDA1-1 and NDA2-1 may be spaced apart from each other, and the display region DA-1 may be positioned between the first and second non-display regions NDA1-1 and NDA2-1.

[0254] The first region R1-1 and the second region R2-1 may be circular. The diameter of the first region R1-1 may be approximately equal to the diameter of the second region R2-1. For example, each of the diameters of the first region R1-1 and the second region R2-1 may be in the range of about 2 mm to about 5 mm.

[0255] The first region R1-1 and the second region R2-1 may be symmetrical with each other about a first center line CLI1-1, which passes through the centers of the respective short sides of the substrate (main substrate 100-1 and / or package substrate). The first center line CLI1-1 may refer to, for example, an imaginary line passing through the centers of the respective short sides of the substrate. In this case, the first direction may be parallel to or non-parallel to the short sides of the substrate. For ease of description, the case where the first direction is parallel to each short side of the substrate will now be described in detail.

[0256] The first distance L1-1 may be approximately 1 / 5 or greater of the length L-1 of the long side of the substrate. The first distance L1-1 is the distance from one of the first and second regions R1-1 and R2-1 closest to the short side of the substrate to a substantially straight line along the short side of the substrate. When any substantially straight line parallel to the short side of the substrate is drawn on the substrate, the first distance L1-1 may be the minimum distance from a point where an edge of one of the first and second regions R1-1 and R2-1 closest to the short side of the substrate intersects the arbitrary substantially straight line to the short side of the substrate.

[0257] In this case, when at least a portion of one of the first and second regions R1-1, R2-1 is located on a portion of the substrate that is spaced apart from the short side of the substrate by a distance less than approximately 1 / 5 of the length L-1 of the long side of the substrate, and an impact is applied to one of the corners IP-1 of the substrate, stress may be concentrated on at least a portion of the one of the first and second regions R1-1, R2-1, located on the portion of the substrate that is spaced apart from the short side of the substrate by a distance less than approximately 1 / 5 of the length L-1 of the long side of the substrate, thereby damaging or destroying the substrate. In this case, the point to which the impact is applied may be a corner of the substrate that is farthest from the center of each of the first and second regions R1-1, R2-1, and that is farthest from the first center line CLI1-1.

[0258] For example, in such a case, the portion of the substrate at about 1 / 5 of the length L-1 of the long side of the substrate from the short side of the substrate can be the portion of the inflection point of the substrate where stress is generated, and the stress is generated at each portion of the substrate. For example, when the impact is applied to the corner IP-1 of the substrate as described above, the stress concentrated on each portion of the substrate can vary according to the distance from the center of the substrate. In this case, the inflection point of the stress depending on the distance can be generated in a portion of the substrate that is spaced a certain distance from the center of the substrate, and the stress change depending on the distance change can become severe from the inflection point. When the first region R1-1 and / or the second region R2-1 are arranged in the area between the inflection point and the short side of the substrate, the stress applied to at least a portion of the first region R1-1 and / or the second region R2-1 can exceed a preset value. As a result, the edge portion of the first region R1-1 and / or the second region R2-1 can be damaged due to (multiple) impacts that may occur during manufacturing or use. For example, as a result of (multiple) impacts, (multiple) cracks can be formed at the outer edge of the first region R1-1 and / or the second region R2-1. In addition, when the first region R1-1 and / or the second region R2-1 are arranged in the area between the inflection point and the short side of the substrate, the first region R1-1 and / or the second region R2-1 may overlap with a portion of the substrate where the maximum stress is generated, and thus the substrate may be easily damaged or destroyed.

[0259] The second distance L2-1 between the center of the first region R1-1 and the center of the second region R2-1 may be about 2 / 3 or less of the length W-1 of the short side of the substrate. In this case, when the second distance L2-1 between the center of the first region R1-1 and the center of the second region R2-1 exceeds about 2 / 3 of the length W-1 of the short side of the substrate, the maximum stress of the substrate may overlap with the first region R1-1 and / or the second region R2-1, and the first region R1-1 and / or the second region R2-1 may not have a circular shape.

[0260] The third distance L3-1, which is the shortest distance between the long side of the substrate and the center of one of the first and second regions R1-1 and R2-1 closest to the long side of the substrate, may be about 1 / 2 or greater of the shortest distance W1-1 between the first center line CLI1-1 and the long side of the substrate. Figure 18 The third distance L3-1 may be about 1 / 2 or greater of the shortest distance W1-1 between the first center line CLI1-1 and the long side of the substrate. The shortest distance W1-1 may be measured perpendicular to the long side of the substrate.

[0261] Therefore, the first region R1-1 and the second region R2-1 can be arranged in the stress range of the maximum allowable value by arranging as described above. In addition, by arranging the first region R1-1 and the second region R2-1 as described above, it is possible to ensure an area in which the display device and / or the display panel 10-1 can be set in an external device such as a housing, and to prevent the first region R1-1 and the second region R2-1 from being directly subjected to a force from the external device or the housing.

[0262] Figure 19 is included Figure 18 FIG. 1 is a cross-sectional view of an exemplary embodiment of a display device 1 - 1 showing a display panel 10 - 1 .

[0263] Reference Figure 19 The display device 1-1 may include a display panel 10-1 including a display element, and first and second electronic components 20-1 and 30-1 corresponding to first and second regions R1-1 and R2-1 of the display panel 10-1, respectively. Components such as an input sensing member for sensing a touch input, an anti-reflection member including a polarizer and a retarder or including a color filter and a black matrix, and a transparent window may be arranged on the display panel 10-1.

[0264] The display panel 10 - 1 may include a main substrate 100 - 1 , an encapsulation substrate 400A- 1 as an encapsulation member facing the main substrate 100 - 1 , and a sealing member 450 - 1 disposed between the main substrate 100 - 1 and the encapsulation substrate 400A- 1 .

[0265] The main substrate 100-1 may include, for example, glass or a polymer resin. Examples of polymer resins include polyethersulfone, polyacrylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyarylate, polyimide, polycarbonate, and cellulose acetate propionate. The main substrate 100-1 may have a multilayer structure including a layer containing the above polymer resin and an inorganic layer. The encapsulation substrate 400A-1 may include, for example, glass or the above polymer resin.

[0266] A thin film transistor TFT-1, an organic light emitting diode OLED-1 as a display element connected to the thin film transistor TFT-1, and a signal line SGL-1 are arranged in the display area DA-1 of the main substrate 100-1. The signal line SGL-1 is arranged in the first non-display area NDA1-1 and the second non-display area NDA2-1 of the main substrate 100-1.

[0267] The signal line SGL- 1 may provide certain signals (eg, data signals and scan signals) to display elements spaced apart from each other in the Y-axis direction with respect to the first region R1 - 1 and the second region R2 - 2 .

[0268] The display panel 10-1 may include through holes corresponding to the first region R1-1 and the second region R2-1. For example, the main substrate 100-1 and the package substrate 400A-1 may include a through hole 100H-1 and a through hole 400AH-1, respectively. The through hole 100H-1 and the through hole 400AH-1 correspond to the first region R1-1 and the second region R2-1. Parts of the insulating layer IL-1 or the element disposed between the main substrate 100-1 and the package substrate 400A-1 (for example, the portions corresponding to the first region R1-1 and the second region R2-1) may be entirely removed to form the through hole 100H-1 and the through hole 400AH-1.

[0269] Figure 19 The sealing member 450-1 is shown disposed on both sides of each of the first and second regions R1-1 and R2-1. When viewed in a direction perpendicular to the main surface of the main substrate 100-1, the first and second regions R1-1 and R2-1 may be completely surrounded by the sealing member 450-1.

[0270] The first electronic component 20-1 and the second electronic component 30-1 may be positioned in the first region R1-1 and the second region R2-1, respectively. In this case, the first electronic component 20-1 and the second electronic component 30-1 may be arranged inside the first region R1-1 and the second region R2-1, respectively, or may be arranged on the rear surface of the main substrate 100-1 such that the first electronic component 20-1 and the second electronic component 30-1 correspond to the first region R1-1 and the second region R2-1, respectively.

[0271] The first electronic component 20-1 and the second electronic component 30-1 may be electronic components that use light or sound. For example, the electronic components may be sensors that receive and use light (such as infrared sensors), cameras that receive light and capture images, sensors that output and sense light or sound to measure distance or identify fingerprints, small lamps that output light, or speakers that output sound. Electronic components that use light may use light of various wavelengths, such as visible light, infrared light, and ultraviolet light.

[0272] When Figure 19 When the display panel 10-1 shown in FIG. 1 includes the through holes 100H-1 and 400AH-1 corresponding to the first and second regions R1-1 and R2-1, light or sound output or received by the first and second electronic components 20-1 and 30-1 may be more effectively utilized.

[0273] Figure 20 is included Figure 18 FIG. 1 is a cross-sectional view of an exemplary embodiment of a display device 1 - 1 showing a display panel 10 - 1 .

[0274] Reference Figure 20 In an exemplary embodiment, some elements of the display panel 10-1 do not include through holes. For example, in an embodiment in which the display panel 10-1 includes through holes 100H-1 formed in the main substrate 100-1 corresponding to the first and second regions R1-1 and R2-1 Figure 19 Different, such as Figure 20 As shown in , the package substrate 400A-1 may include through holes 400AH-1 corresponding to the first region R1-1 and the second region R2-1, but the main substrate 100-1 may not include through holes. Figure 20 As shown in , even if the main substrate 100-1 does not include the through hole 100H-1, the insulating layer IL-1 or part of the element provided between the main substrate 100-1 and the package substrate 400A-1 (for example, the part corresponding to the first region R1-1 and the second region R2-1) can be removed, so that the transmittance of the first electronic component 20-1 and the second electronic component 30-1 can be ensured. When the display device 1-1 includes Figure 20 When the display panel 10 - 1 is provided, the first electronic component 20 - 1 and the second electronic component 30 - 1 may be, for example, electronic components using light.

[0275] Figure 21 is included Figure 18 FIG. 1 is a cross-sectional view of an exemplary embodiment of a display device 1 - 1 showing a display panel 10 - 1 .

[0276] Reference Figure 21 , similar to the reference above Figure 19 The display device 1-1 described above may include a display panel 10-1 including a display element, and a first electronic component 20-1 and a second electronic component 30-1 corresponding to a first region R1-1 and a second region R2-1 of the display panel 10-1, respectively. In an exemplary embodiment, the display device 1-1 may further include an input detection member, an anti-reflection member, a window, etc., arranged on the display panel 10-1 for sensing a touch input.

[0277] Refer to above Figure 19 The display panel 10-1 including the encapsulation substrate 400A-1 and the sealing member 450-1 as the encapsulation members is different from the display panel 10-1 described above. Figure 21 The display panel 10-1 may include a thin film encapsulation layer 400B-1. The differences between them will now be mainly described. For the sake of convenience of explanation, further description of the previously described elements and technical aspects may be omitted.

[0278] The thin film encapsulation layer 400B-1 may include at least one inorganic encapsulation layer and at least one organic encapsulation layer. Figure 21A first inorganic encapsulating layer 410 - 1 and a second inorganic encapsulating layer 430 - 1 are shown with an organic encapsulating layer 420 - 1 disposed therebetween.

[0279] The first inorganic encapsulation layer 410-1 and the second inorganic encapsulation layer 430-1 may include at least one inorganic insulating material, such as aluminum oxide, titanium oxide, tantalum oxide, hafnium oxide, zinc oxide, silicon oxide, silicon nitride, and silicon oxynitride. The organic encapsulation layer 420-1 may include, for example, a polymer material. Examples of polymer materials may include acrylic resin, epoxy resin, polyimide, and polyethylene.

[0280] The display panel 10-1 may include through holes corresponding to the first region R1-1 and the second region R2-1. For example, the main substrate 100-1 and the thin film encapsulation layer 400B-1 may include through holes 100H-1 and 400BH-1, respectively. The through holes 100H-1 and 400BH-1 correspond to the first region R1-1 and the second region R2-1. As described above, the first electronic component 20-1 and the second electronic component 30-1 using light or sound may be arranged in the first region R1-1 and the second region R2-1, respectively.

[0281] When the thin film encapsulation layer 400B-1 includes a through hole 400BH-1, each of at least one inorganic encapsulation layer (e.g., 410-1 and 430-1) and at least one organic encapsulation layer (e.g., 420-1) may include a hole corresponding to the through hole 400BH-1. In this case, the hole of each organic encapsulation layer is made larger than the hole of each inorganic encapsulation layer, so that the first inorganic encapsulation layer 410-1 and the second inorganic encapsulation layer 430-1 can be in direct contact with each other around the first region R1-1 and the second region R2-1. For example, in an exemplary embodiment, the first inorganic encapsulation layer 410-1 and the second inorganic encapsulation layer 430-1 are in direct contact with each other in an area near the first region R1-1 and the second region R2-1 (e.g., adjacent to the first region R1-1 and the second region R2-1), and are not in direct contact with each other in an area located farther away from the first region R1-1 and the second region R2-1.

[0282] Figure 22 is a plan view of a display panel 10 - 1 of a display device 1 - 1 according to an exemplary embodiment.

[0283] Reference Figure 22, the first region R1-1 and the second region R2-1 may be positioned off-center from a first center line CLI1-1 passing through the centers of the respective short sides of the substrate (main substrate 100-1 and / or encapsulation substrate 400A-1). For example, the first region R1-1 and the second region R2-1 may be positioned at positions other than the central axis of the display panel 10-1 corresponding to the first center line CLI1-1.

[0284] The first non-display area NDA1-1 and the second non-display area NDA2-1 may surround the first region R1-1 and the second region R2-1, respectively. The first non-display area NDA1-1 and the second non-display area NDA2-1 may not be connected to each other.

[0285] In this case, the first region R1-1 and the second region R2-1 may be arranged in certain areas of the substrate. The arrangement of the first region R1-1 and the second region R2-1 on the substrate is the same as that described above with reference to FIG. Figure 18 The arrangements described are the same, and therefore, detailed descriptions thereof are omitted here.

[0286] Figure 23 is a plan view of a display panel 10 - 1 of a display device 1 - 1 according to an exemplary embodiment.

[0287] Reference Figure 23 , the first region R1-1 and the second region R2-1 may be circular. In this case, the diameter (or radius) of the first region R1-1 may be different from the diameter (or radius) of the second region R2-1. For example, the diameter of the first region R1-1 may be smaller than the diameter of the second region R2-1. In this case, the first region R1-1 may be arranged on the first center line CLI1-1. For example, the center of the first region R1-1 may be arranged on the first center line CLI1-1.

[0288] The first and second non-display areas NDA1-1 and NDA2-1 may be spaced apart from each other and may surround the first and second regions R1-1 and R2-1, respectively.

[0289] The arrangement of the first region R1-1 and the second region R2-1 on the substrate (main substrate 100-1 and / or package substrate 400A-1) is the same as that described above. Figure 14 The arrangements described are the same, and therefore, detailed descriptions thereof are omitted here.

[0290] Figure 24 is a plan view of a display panel 10 - 1 of a display device 1 - 1 according to an exemplary embodiment.

[0291] Reference Figure 24, the first region R1-1 and the second region R2-1 may be circular. In this case, the diameter (or radius) of the first region R1-1 may be approximately equal to the diameter (or radius) of the second region R2-1. In this case, the first region R1-1 may be arranged on the first center line CLI1-1. For example, the center of the first region R1-1 may be arranged on the first center line CLI1-1.

[0292] The first and second non-display areas NDA1-1 and NDA2-1 may be spaced apart from each other and may surround the first and second regions R1-1 and R2-1, respectively.

[0293] The arrangement of the first region R1-1 and the second region R2-1 on the substrate (main substrate 100-1 and / or package substrate 400A-1) is the same as that described above. Figure 18 The arrangements described are the same, and therefore, detailed descriptions thereof are omitted here.

[0294] Figure 25 is a plan view of a display panel 10 - 1 of a display device 1 - 1 according to an exemplary embodiment.

[0295] Reference Figure 25 , the first region R1-1 and the second region R2-1 may be circular. In this case, the diameter (or radius) of the first region R1-1 may be different from the diameter (or radius) of the second region R2-1. For example, the diameter of the first region R1-1 may be smaller than the diameter of the second region R2-1.

[0296] The first region R1-1 and the second region R2-1 are not arranged on the first center line CLI1-1. In this case, one of the first region R1-1 and the second region R2-1 having a smaller diameter may be closer to the first center line CLI1-1 than the other of the first region R1-1 and the second region R2-1 having a larger diameter. For example, Figure 25 As shown in FIG, the center of the first region R1-1 may be closer to the first center line CLI1-1 than the center of the second region R2-1.

[0297] In this case, as mentioned above Figures 5 to 7 As described above, when an impact is applied to one of the corners of the substrate (main substrate 100-1 and / or package substrate 400A-1), more stress may be concentrated on the edge portion of the first region R1-1 having a smaller diameter than on the second region R2-1 having a larger diameter. At this time, the generated stress may decrease in a direction toward the center of one of the short side and the long side of the substrate.

[0298] Therefore, the first region R1-1 having more stress concentrated thereon than the second region R2-1 can be arranged close to the center of one of the short sides and the long sides of the substrate (for example, closer to the center than the second region R2-1), thereby preventing damage to the first region R1-1 having a smaller diameter due to excessive stress concentration on the first region R1-1.

[0299] The first and second non-display areas NDA1-1 and NDA2-1 may be spaced apart from each other and may surround the first and second regions R1-1 and R2-1, respectively.

[0300] The arrangement of the first region R1-1 and the second region R2-1 on the substrate is the same as that described above. Figure 14 The arrangements described are the same, and therefore, detailed descriptions thereof are omitted here.

[0301] Figure 26 It is taken along line A-A' Figure 1 1 is a cross-sectional view of an exemplary embodiment of a display panel 10 of a display device 1 .

[0302] Reference Figure 26 The display device 1 may include a display panel 10 including a display element, and first and second electronic components 20 and 30 respectively corresponding to the first and second regions R1 and R2 of the display panel 10. Component(s) such as an input sensing member for sensing a touch input, an anti-reflection member including a polarizer and a retarder or including a color filter and a black matrix, and a transparent window may be arranged on the display panel 10.

[0303] and Figure 2 In contrast, no through-holes are formed in the first and second regions R1 and R2 of the display panel 10. The transparent material layer 500 may be disposed between the main substrate 100 and the encapsulation substrate 400A in the first and second regions R1 and R2.

[0304] The transparent material layer 500 may include a transparent (light-transmitting) material, such as a resin (e.g., an acrylic organic material). When the transparent material layer 500 is placed between the main substrate 100 and the encapsulation substrate 400A, the light transmittance can be improved more than when air is placed between the main substrate 100 and the encapsulation substrate 400A.

[0305] Figure 27 is a diagram illustrating stress of the display panel 10 or 10 - 1 when impact is applied to the display panel 10 or 10 - 1 according to an exemplary embodiment.

[0306] Reference Figure 27, when an impact is applied to the display devices 1 and 1-1, the main substrate 100 or 100-1 and / or the encapsulation substrate 400A or 400A-1 (in Figure 4 or Figure 21 An experiment in which the display devices 1 and 1-1 are dropped from a certain height may be performed to examine whether such damage occurs, and thus, the measurement may be performed focusing on the substrates included in the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in the embodiment of FIG. Figure 4 or Figure 21 Stress on the through-hole in the substrate in the case of .

[0307] In this method of measuring stress by applying an impact to display devices 1 and 1-1, stress can be measured by applying an impact to the lower left corner of each of display devices 1 and 1-1. According to an exemplary embodiment, stress can be measured by applying an impact to the lower right corner of each of display devices 1 and 1-1. In this case, the impact can be applied to a corner of each of display devices 1 and 1-1 that is away from the through-hole formed in each of display devices 1 and 1-1. For ease of description, a case in which an impact is applied to the lower left corner of each of display devices 1 and 1-1 will now be described in detail.

[0308] When an impact is applied to the lower left corner of each of the display devices 1 and 1-1 as described above, the impact may be transmitted to the entire portion of each of the display devices 1 and 1-1, and stress may be generated in the display devices 1 and 1-1. The stress may be concentrated on the portion of each of the display devices 1 and 1-1 in which the through hole has been formed. For example, the stress may be concentrated only on a specific portion of the through hole, and the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in the Figure 4 or Figure 21 The stress is concentrated on the through holes with smaller diameters (e.g., the through holes formed in the first region R1 or R1-1 and the second region R2 or R2-1). Figures 14 to 16 The second region R2 and Figure 23 and Figure 25 and when the through holes formed in the first region R1 or R1-1 and the second region R2 or R2-1 have the same diameter, the stress is greatly concentrated on the through holes arranged away from the center line which is parallel to the long side of the substrate and passes through the center of the short side of the substrate, or the through holes located farther from the impact applying portion of the substrate (for example, Figure 12 and Figure 13 The second region R2 and Figure 18 、 Figure 22 and Figure 24 on the second region R2-1).

[0309] In this case, when the stress exceeds a certain value, the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in Figure 4 or Figure 21 The substrate in the case of the substrate may have cracks, etc. and may be damaged or destroyed accordingly. For example, when Figure 27 When the maximum value of the stress concentrated on the portion of each through hole shown in FIG exceeds 1200 MPa (reference value), the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in Figure 4 or Figure 21 The substrate in the case of ) may have cracks, etc. and may be damaged or destroyed accordingly.

[0310] Reference Figure 27 As a result, when a through hole with a diameter of 3.5 mm is formed on a center line that is parallel to the long side of the substrate and passes through the center of the short side of the substrate, and a through hole with a diameter of 2.5 mm smaller than the diameter of 3.5 mm is formed on the right side of the center line so as to be separated from the center line, the stress concentrated on the through hole with the smaller diameter has a maximum value of 1238 MPa, which exceeds the reference value of 1200 MPa. Therefore, the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in Figure 4 or Figure 21 The substrate in the case of a crack) may be damaged or destroyed.

[0311] Alternatively, when one of two through holes having the same diameter (3.5 mm) is formed on the center line and the other is formed on the right side of the center line to be away from the center line, the stress concentrated on the through hole on the right side of the center line has a maximum value of 892 MPa, which is lower than the reference value of 1200 MPa. Therefore, the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (on Figure 4 or Figure 21 According to an exemplary embodiment, when two through holes having the same diameter (3.5 mm) are arranged symmetrically with respect to the center line, the stress concentrated on the through hole on the right side of the center line has a maximum value of 847 MPa, which is lower than the reference value of 1200 MPa. Therefore, the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 ( Figure 4 or Figure 21According to an exemplary embodiment, when a through hole having a diameter of 2.5 mm is formed on the center line and a through hole having a diameter of 3.5 mm is formed on the right side of the center line to be separated from the center line, the stress concentrated on the through hole having the smaller diameter (2.5 mm) has a maximum value of 901 MPa, which is lower than the reference value of 1200 MPa. Therefore, the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in Figure 4 or Figure 21 The substrate in the case of a crack) will not be damaged or destroyed.

[0312] Therefore, it can be seen from the above results that when forming through holes having different diameters, arranging the through holes having smaller diameters closer to the center line than the through holes having larger diameters can improve durability. It can also be seen from the above results that even when the through holes having the same diameter are symmetrical to each other or offset on one side from the center line, the main substrate 100 or 100-1 and / or the package substrate 400A or 400A-1 (in Figure 4 or Figure 21 The substrate in the case of a crack) will not be damaged or destroyed.

[0313] Figure 28 is a plan view of a display panel 10 - 1 of a display device 1 - 1 according to an exemplary embodiment. Figure 29 It shows Figure 28 A graph showing the stress ratio between the first region R1 - 1 and the second region R2 - 1 . Figure 30 It shows Figure 28 A graph showing the stress ratio between the first region R1 - 1 and the second region R2 - 1 .

[0314] Reference Figures 28 to 30 , the display panel 10-1 can be connected with Figure 24 The first region R1-1 may be on the first center line CLI1-1, and the second region R2-1 may be disposed between the first center line CLI1-1 and the end (or long side) of the display panel 10-1. In this case, the second region R2-1 may have a center located within approximately 1 / 2 of the distance W1 from the first center line CLI1-1 to the end of the display panel 10-1. The distance W1 is a distance measured from the long side of the display panel 10-1 to the first center line CLI1-1, and the distance L3-2 refers to the distance from the long side of the display panel 10-1 to the area (or through-hole) not disposed on the first center line CLI1-1.

[0315] As described above, when an impact is applied to the display device 1-1, stress is applied to the display panel 10-1, and the minimum stress may be formed in the through-hole arranged along a line parallel to the long side of the display panel 10-1 while passing through the center of the short side of the display panel 10-1. The stress may have a maximum value at a portion of the display panel 10-1 located approximately 1 / 4 of the distance W1 between the long side of the display panel 10-1 and the first center line CLI1-1 from the long side of the display panel 10-1. The stress may have an inflection point PR at the portion of the display panel 10-1 located approximately 1 / 2 of the distance W1. The stress S applied to the through-hole formed in the display panel 10-1 at a portion where the distance L3-2 from the long side of the display panel 10-1 to the area (or through-hole) not arranged on the first center line CLI1-1 is approximately 1 / 4 of the distance W1 between the first center line CLI1-1 and the long side of the display panel 10-1 may be greater than the stress S0 applied to the through-hole arranged on the first center line CLI1-1. In this case, the maximum stress may be approximately 2.5 times or more the stress S0 applied to the through-hole arranged on the first center line CLI1-1.

[0316] In this case, the through-hole may be broken. Therefore, the stress can be reduced in the direction toward the first center line CLI1-1 or the long side of the display panel 10-1, where the distance L3-2 from the long side of the display panel 10-1 to the area (or through-hole) not arranged on the first center line CLI1-1 is approximately 1 / 4 of the distance W1 between the first center line CLI1-1 and the long side of the display panel 10-1. For example, when the distance L3-2 from the long side of the display panel 10-1 to the area (or through-hole) not arranged on the first center line CLI1-1 is within approximately 1 / 2 of the distance W1 between the first center line CLI1-1 and the long side of the display panel 10-1, excessive stress is not generated, and thus damage to the through-hole due to external stress can be prevented or reduced.

[0317] In addition, the edge of the first region R1-1 and the edge of the second region R2-1 may be spaced apart from the short side of the display panel 10-1 by at least about 5 mm. Figure 30 When the maximum stress S5 generated in the through-holes arranged in the first region R1-1 and the second region R2-1 is assumed to be 1 when the distance L1-2 between the edge of the through-hole and the end of the display panel 10-1 is approximately 5 mm, as the distance L1-2 from the short side of the display panel 10-1 increases, the maximum stress S generated in the through-hole decreases. In addition, when the distance L1-2 between the edge of the through-hole and the end of the display panel 10-1 is approximately 5 mm or less, the maximum stress S generated in the through-hole increases.

[0318] Therefore, the edges of the first region R1-1 and the second region R2-1 are designed to be spaced apart from the short sides of the display panel 10-1 (or the short sides of the main substrate 100-1 and / or the encapsulation substrate 400A-1) by about 5 mm or more.

[0319] The display device according to exemplary embodiments may prevent the vicinity of the opening area from being broken or reduce damage caused to the vicinity of the opening area when an impact is applied thereto.

[0320] Furthermore, when two opening regions are formed according to exemplary embodiments, the two opening regions may be disposed in a portion of the display device other than the damaged portion, and thus, the display device may have improved durability.

[0321] While the present disclosure has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure as defined by the claims.

Claims

1. A display device, comprising: a substrate including a first region and a second region spaced apart from each other in a first direction; as well as a plurality of display elements arranged in a display area, wherein the first area and the second area are provided in the display area; wherein the first region and the second region are circular, and the diameter of the first region is equal to the diameter of the second region, The base is rectangular and includes two short sides and two long sides, and A distance from one of the first and second regions, which is closer to one of the two short sides, to the one short side is 1 / 5 or more of a length of one of the two long sides.

2. The display device according to claim 1, wherein The first region and the second region are symmetrical to each other about a center line passing through respective centers of the two short sides.

3. The display device according to claim 1, wherein The first region and the second region are positioned between one of the two long sides and a center line passing through respective centers of the two short sides.

4. The display device according to claim 1, wherein One of the first region and the second region is positioned on a center line passing through the respective centers of the two short sides and parallel to the two long sides.

5. The display device according to claim 1 , further comprising: A plurality of through holes are arranged in at least one of the first region and the second region, and the plurality of through holes penetrate the substrate.

6. The display device according to claim 1, further comprising: a packaging substrate facing the substrate; as well as a plurality of through holes arranged in at least one of the first region and the second region, The plurality of through holes penetrate at least one of the substrate and the packaging substrate.

7. The display device according to claim 1, further comprising: A transparent material layer is arranged in at least one of the first region and the second region.

8. A display device, comprising: a substrate including a first region and a second region spaced apart from each other in a first direction; as well as a plurality of display elements arranged in a display area, wherein the first area and the second area are provided in the display area; wherein the first region and the second region are circular, and the diameter of the first region is equal to the diameter of the second region, The base is rectangular and includes two short sides and two long sides, and A distance between a center of the first region and a center of the second region is 2 / 3 or less of a length of one of the two short sides.

9. The display device according to claim 8, wherein The first region and the second region are symmetrical to each other about a center line passing through respective centers of the two short sides.

10. The display device according to claim 8, wherein The first region and the second region are positioned between one of the two long sides and a center line passing through respective centers of the two short sides.

11. The display device according to claim 8, wherein One of the first region and the second region is positioned on a center line passing through the respective centers of the two short sides and parallel to the two long sides.

12. The display device according to claim 8, further comprising: A plurality of through holes are arranged in at least one of the first region and the second region, and the plurality of through holes penetrate the substrate.

13. The display device according to claim 8, further comprising: a packaging substrate facing the substrate; as well as a plurality of through holes arranged in at least one of the first region and the second region, The plurality of through holes penetrate at least one of the substrate and the packaging substrate.

14. The display device according to claim 8, further comprising: A transparent material layer is arranged in at least one of the first region and the second region.

15. A display device, comprising: a substrate including a first region and a second region spaced apart from each other in a first direction; as well as a plurality of display elements arranged in a display area, wherein the first area and the second area are provided in the display area; wherein the first region and the second region are circular, and the diameter of the first region is equal to the diameter of the second region, The base is rectangular and comprises two short sides and two long sides, One of the first region and the second region is closer to one of the two long sides than the other of the first region and the second region, and The distance from the center of the one area of ​​the first area and the second area that is closer to the one of the two long sides to the one of the two long sides is 1 / 2 or greater of the distance from the center line passing through the respective centers of the two short sides to the one long side.

16. The display device according to claim 15, wherein The first region and the second region are symmetrical to each other about the center line.

17. The display device according to claim 15, wherein: The first region and the second region are positioned between one of the two long sides and the center line.

18. The display device according to claim 15, wherein One of the first region and the second region is positioned on the centerline.

19. The display device according to claim 15, further comprising: A plurality of through holes are arranged in at least one of the first region and the second region, and the plurality of through holes penetrate the substrate.

20. The display device according to claim 15, further comprising: a packaging substrate facing the substrate; as well as a plurality of through holes arranged in at least one of the first region and the second region, The plurality of through holes penetrate at least one of the substrate and the packaging substrate.

21. The display device according to claim 15, further comprising: A transparent material layer is arranged in at least one of the first region and the second region.

22. A display device, comprising: a substrate including a first region and a second region spaced apart from each other in a first direction; as well as a plurality of display elements arranged in a display area adjacent to the first area and the second area, wherein the first region and the second region are circular, a diameter of the first region is different from a diameter of the second region, and the plurality of display elements are not arranged in the first region and the second region, The base is rectangular and includes two short sides and two long sides, and A distance from one of the first and second regions, which is closer to one of the two short sides, to the one short side is 1 / 5 or more of a length of one of the two long sides.

23. The display device according to claim 22, wherein: One of the first region and the second region is positioned on a center line passing through the respective centers of the two short sides and parallel to the two long sides.

24. The display device according to claim 23, wherein A diameter of the one of the first region and the second region is smaller than a diameter of the other of the first region and the second region.

25. The display device according to claim 22, wherein A center of one of the first and second regions having a smaller diameter is closer to a center line passing through respective centers of the two short sides and parallel to the two long sides than a center of the other of the first and second regions having a larger diameter.

26. The display device according to claim 22, further comprising: A plurality of through holes are arranged in at least one of the first region and the second region, and the plurality of through holes penetrate the substrate.

27. The display device according to claim 22, further comprising: a packaging substrate facing the substrate; as well as a plurality of through holes arranged in at least one of the first region and the second region, The plurality of through holes penetrate at least one of the substrate and the packaging substrate.

28. The display device according to claim 22, further comprising: A transparent material layer is arranged in at least one of the first region and the second region.

29. A display device, comprising: a substrate including a first region and a second region spaced apart from each other in a first direction; as well as a plurality of display elements arranged in a display area adjacent to the first area and the second area, wherein the first region and the second region are circular, a diameter of the first region is different from a diameter of the second region, and the plurality of display elements are not arranged in the first region and the second region, The base is rectangular and comprises two short sides and two long sides, One of the first region and the second region is closer to one of the two long sides than the other of the first region and the second region, and The distance from the center of the one area of ​​the first area and the second area that is closer to the one of the two long sides to the one of the two long sides is 1 / 2 or greater of the distance from the center line passing through the respective centers of the two short sides to the one long side.

30. The display device according to claim 29, wherein One of the first region and the second region is positioned on the centerline.

31. The display device according to claim 30, wherein: A diameter of the one of the first region and the second region is smaller than a diameter of the other of the first region and the second region.

32. The display device according to claim 29, wherein A center of one of the first and second regions having a smaller diameter is closer to the center line than a center of the other of the first and second regions having a larger diameter.

33. The display device according to claim 29, further comprising: A plurality of through holes are arranged in at least one of the first region and the second region, and the plurality of through holes penetrate the substrate.

34. The display device according to claim 29, further comprising: a packaging substrate facing the substrate; as well as a plurality of through holes arranged in at least one of the first region and the second region, The plurality of through holes penetrate at least one of the substrate and the packaging substrate.

35. The display device according to claim 29, further comprising: A transparent material layer is arranged in at least one of the first region and the second region.

36. A display device, comprising: a substrate including a first region and a second region each having a circular shape and spaced apart from each other in a first direction; as well as a plurality of display elements arranged in a display area adjacent to the first area and the second area, wherein the base is rectangular and has two short sides and two long sides, and The first area and the second area are arranged between a first inflection point of the first stress or a second inflection point of the second stress and a second center line passing through the center of the display area and parallel to the two long sides, the first inflection point is generated at a vertical distance from the first center line passing through the center of the display area and parallel to the two short sides to each of the two short sides, and the second inflection point is generated at a vertical distance from the second center line to each of the two long sides.

37. The display device according to claim 36, wherein: One of the first region and the second region is closer to one of the two long sides than the other of the first region and the second region, and The distance from the center of the one area of ​​the first area and the second area that is closer to the one of the two long sides to the one of the two long sides is 1 / 2 or greater of the distance from the third center line passing through the respective centers of the two short sides to the one long side.

38. The display device according to claim 36, wherein: A distance from one of the first and second regions, which is closer to one of the two short sides, to the one short side is 1 / 5 or more of a length of one of the two long sides.

39. The display device according to claim 36, wherein: A distance between a center of the first region and a center of the second region is 2 / 3 or less of a length of one of the two short sides.

40. The display device according to claim 36, wherein The diameter of the first region is equal to the diameter of the second region.

41. The display device according to claim 36, wherein The diameter of the first region is different from the diameter of the second region.

42. The display device according to claim 41, wherein The center of one of the first region and the second region is arranged to be eccentric from the respective centers of the two short sides with respect to any straight line that is parallel to the two long sides and passes through the respective centers of the two short sides.

43. The display device according to claim 36, further comprising: A plurality of through holes are arranged in at least one of the first region and the second region, and the plurality of through holes penetrate the substrate.

44. The display device according to claim 36, further comprising: a packaging substrate facing the substrate; as well as a plurality of through holes arranged in at least one of the first region and the second region, The plurality of through holes penetrate at least one of the substrate and the packaging substrate.

45. The display device according to claim 36, further comprising: A transparent material layer is arranged in at least one of the first region and the second region.

Images