Display device, electronic device, and method for manufacturing display device

Abstract

The invention relates to a display device, an electronic device and a method for manufacturing the display device. The display device includes: a display panel; and a window disposed on the display panel. The window includes: a glass substrate including a top surface, a bottom surface opposite to the top surface in a thickness direction, and side surfaces extending to the top surface and the bottom surface; a resin layer covering the entire top surface, the bottom surface, and the side surfaces of the glass substrate; and a window protection layer disposed on the resin layer.

Description

[0001] Cross-references to related applications

[0002] This application claims priority to and all benefits derived therefrom of Korean Patent Application No. 10-2024-0091998, filed on July 11, 2024, the contents of which are incorporated herein by reference in their entirety. Technical Field

[0003] This disclosure relates to display devices, electronic devices, methods for manufacturing windows, and methods for manufacturing display devices. Background Technology

[0004] Display devices provide information to users by displaying various images on a display screen. Typically, display devices display information within a designated screen.

[0005] Recently, flexible display devices, including flexible display panels that can slide or fold, have also been developed. Unlike rigid display devices, flexible display devices can be folded, rolled up, or bent. Flexible display devices, which come in various shapes, offer improved portability without being limited by conventional screen sizes, thereby enhancing user convenience. Summary of the Invention

[0006] This disclosure provides a display device with improved product reliability, an electronic device, a method for manufacturing a window included in a display device, and a method for manufacturing a display device.

[0007] An embodiment of the present invention provides a display device, comprising: a display panel; and a window disposed on the display panel, wherein the window comprises: a glass substrate including a top surface, a bottom surface opposite to the top surface in a thickness direction, and a side surface extending to the top surface and the bottom surface; a resin layer covering the entirety of the top surface, the bottom surface and the side surface of the glass substrate; and a window protective layer disposed on the resin layer.

[0008] In an embodiment, the resin layer may include: a first resin layer covering the top surface of the glass substrate; and a second resin layer covering the bottom surface and the side surface of the glass substrate.

[0009] In an embodiment, the second resin layer may include: a first (2-1) resin component disposed below the glass substrate to cover the bottom surface of the glass substrate; and a second (2-2) resin component disposed on a side of the glass substrate and in contact with the side surface of the glass substrate, wherein at least a portion of the first resin layer contacts the second (2-2) resin component.

[0010] In an embodiment, the first resin layer may include: a first (1-1) resin component disposed on the glass substrate and covering the top surface of the glass substrate; and a second (1-2) resin component extending from the second (1-2) resin component in the thickness direction, and one side surface of the second (1-2) resin component contacting at least a portion of the second (2-2) resin component.

[0011] In an embodiment, the (1-2) resin component may be spaced apart from the (2-1) resin component in cross-section.

[0012] In an embodiment, the material contained in the first resin layer is the same as the material contained in the second resin layer.

[0013] In one embodiment, the material contained in the first resin layer is different from the material contained in the second resin layer.

[0014] In an embodiment, the first thickness of the glass substrate may be greater than the second thickness of the first resin layer.

[0015] In the embodiments, the resin layer may include at least one of urethane resin, epoxy resin, polyimide resin, polyester resin, polyether resin, acrylate resin, and acrylonitrile-butadiene-styrene resin.

[0016] In one embodiment, the window may further include an anti-fingerprint layer disposed on the window protective layer.

[0017] In an embodiment, the display device may further include an optical layer disposed on the display panel and the window.

[0018] In an embodiment of the present invention, a method for manufacturing a window includes: forming a master window, the master window including a plurality of windows arranged in a first direction and a second direction intersecting the first direction; and cutting the master window along a first dividing line to divide the plurality of windows into one another, wherein forming the master window includes: providing a first master glass substrate including a preliminary glass substrate divided along the first dividing line; irradiating the first master glass substrate with a laser to define a first groove corresponding to the first dividing line to form a second master glass substrate; forming a first master resin layer on the second master glass substrate; etching the second master glass substrate from the underside to define a second groove corresponding to the first dividing line to form a third master glass substrate; and forming a second master resin layer on the lower portion of the third master glass substrate.

[0019] In an embodiment, forming the second mother glass substrate may further include: chemically treating the top surface of the second mother glass substrate to increase the size of the first groove.

[0020] In one embodiment, the chemical treatment of the top surface of the second mother glass substrate to increase the size of the first groove may include increasing the strength of the top surface of the second mother glass substrate.

[0021] In an embodiment, forming the third mother glass substrate may further include chemically treating the bottom surface of the third mother glass substrate to increase the size of the second groove.

[0022] In an embodiment, the chemical treatment of the bottom surface of the third mother glass substrate to increase the size of the second groove may include: increasing the strength of the bottom surface of the third mother glass substrate.

[0023] In an embodiment, the method may further include: after forming the second motherboard resin layer, forming a motherboard window protective layer on the first motherboard resin layer.

[0024] In an embodiment of the present invention, a method for manufacturing a display device includes a display module and a window disposed on the display module, the display module including a light-emitting element. The method includes: forming a mother window, the mother window including a plurality of windows arranged in a first direction and a second direction intersecting the first direction; and cutting the mother window along a first dividing line to divide each of the plurality of windows, wherein forming the mother window includes: providing a first mother glass substrate, the first mother glass substrate including a preliminary glass substrate divided along the first dividing line; irradiating the first mother glass substrate with a laser to correspond to the first dividing line, thereby defining a first groove to form a second mother glass substrate; forming a first mother resin layer on the second mother glass substrate; etching the second mother glass substrate from the underside to define a second groove corresponding to the first dividing line, thereby forming a third mother glass substrate; and forming a second mother resin layer on the lower portion of the third mother glass substrate.

[0025] In an embodiment, the method may further include: after dividing the plurality of windows, coupling a display module to the lower part of the windows.

[0026] In an embodiment, the method may further include: after forming the motherboard window, providing a motherboard display substrate comprising a plurality of display modules divided by the first dividing line; coupling the motherboard display modules to the lower part of the motherboard window to form the motherboard substrate; and cutting the motherboard substrate along the first dividing line to separate the plurality of display devices from each other. Attached Figure Description

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

[0028] Figure 1A This is a block diagram of an embodiment of an electronic device conceived according to the present invention.

[0029] Figure 1B These are schematic diagrams illustrating various embodiments of an electronic device conceived according to the present invention.

[0030] Figure 1C This is a perspective view of an embodiment of a display device based on the present invention.

[0031] Figures 2A to 2D It is shown Figure 1C The view shown is of the folded state of the display device.

[0032] Figure 3A This is a perspective view showing an embodiment of a display device in an unfolded state according to the concept of the present invention.

[0033] Figure 3B and Figure 3C It is shown Figure 3A The view shown is of the folded state of the display device.

[0034] Figure 4 This is an exploded perspective view of an embodiment of a display device based on the present invention.

[0035] Figure 5 It is along Figure 4 The cross-sectional view of the display device is shown by the cutting line I-I'.

[0036] Figures 6A to 6C This is a cross-sectional view of an embodiment of a window according to the present invention.

[0037] Figure 7A This is a flowchart illustrating a method for manufacturing a window according to a concept conceived in this invention.

[0038] Figure 7B This is a flowchart illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention.

[0039] Figure 8A This is a perspective view illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention.

[0040] Figures 8B to 8IThis is a cross-sectional view illustrating an embodiment of a method for manufacturing a window according to an invention; and

[0041] Figure 9 , Figure 10A and Figure 10B This is a cross-sectional view illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention. Detailed Implementation

[0042] It will be understood that when an element or layer is referred to as being "on" another element or layer, "connected" to another element or layer, or "coupled" to another element or layer, the element may be directly on, directly connected to, or directly coupled to the other element or layer, or an intermediary element or layer may be present. Conversely, when an element is referred to as being "directly on" another element or layer, "directly connected" to, or "directly coupled" to another element or layer, an intermediary element or layer is not present. The same numbers always refer to the same element. For the sake of effective description of the technical content, the thickness and ratio of the elements, as well as their dimensions, have been exaggerated. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0043] Given the measurements discussed and the errors associated with the measurement of a particular quantity (i.e., the limitations of the measurement system), the terms “about” or “approximately” as used herein include stated values ​​and mean within an acceptable range of deviation from a particular value as determined by one of ordinary skill in the art. The term “about” may mean within one or more standard deviations, or within ±30%, ±20%, ±10%, ±5% of the stated value.

[0044] It will be understood that although the terms “first,” “second,” etc., may be used herein to describe various elements, components, areas, layers, and / or intervals, these elements, components, areas, layers, and / or intervals should not be limited by these terms. These terms are used only to distinguish one element, component, area, layer, or interval from another element, component, area, layer, or interval. Therefore, without departing from the teachings of the inventive concept, the first element, first component, first area, first layer, or first interval discussed below may be referred to as a second element, second component, second area, second layer, or second interval. As used herein, unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” are also intended to include the plural forms.

[0045] For ease of description, spatial relative terms such as “below,” “under,” “lower,” “above,” and “upper” may be used herein to describe the relationship of one element or feature to other elements (multiple elements) or features (multiple features) as shown in the accompanying drawings. It will be understood that, in addition to the orientations depicted in the accompanying drawings, the spatial relative terms are also intended to cover different orientations of the device in use or operation.

[0046] It will also be understood that, when used in this specification, the terms “comprising” and / or “including” indicate the presence of the stated features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or groups thereof.

[0047] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Unless expressly defined herein, it will also be understood that terms (such as those defined in a general dictionary) should be interpreted as having meanings consistent with their meanings in the context of the relevant field and will not be interpreted in an idealized or overly formalized sense.

[0048] The concept of the invention will be described in detail below with reference to the accompanying drawings.

[0049] According to embodiments, the display device can be applied to various electronic devices. The electronic device according to embodiments may include the display module described above, and may also include modules or devices with additional functions in addition to the display module.

[0050] Figure 1A This is a block diagram of an embodiment of an electronic device according to the present invention. (Reference) Figure 1A The electronic device ED according to the embodiment may include a display module DM, a processor 12, a memory 13, and a power module 14.

[0051] The processor 12 may include at least one of a central processing unit (CPU), an application processor (AP), a graphics processing unit (GPU), a communication processor (CP), an image signal processor (ISP), and a controller.

[0052] The memory 15 can store the data required for the operation of the processor 12 or the display module DM. When the processor 12 executes the application stored in the memory 15, image data signals and / or input control signals are sent to the display module DM, and the display module DM can process the received signals and output image information through the display screen.

[0053] The power module 14 may include a power supply module (such as a power adapter or battery device) and a power conversion module that converts the power supplied through the power supply module to generate the power required for the operation of the electronic device ED.

[0054] At least one of the components of the above-described electronic device ED may be included in the display device according to the above embodiments. Furthermore, some individual modules functionally included in a single module may be included in the display device, and other modules may be provided separately from the display device. For example, the display device may include a display module DM, and the processor 12, memory 13, and power module 14 may be provided as other devices within the electronic device ED rather than as the display device.

[0055] Figure 1B These are schematic diagrams illustrating various embodiments of an electronic device conceived according to the present invention.

[0056] refer to Figure 1B The various electronic devices applied to the display device according to the embodiments may include: electronic devices for displaying images, such as smartphones ED_1a, tablet PCs ED_1b, laptop computers ED_1c, televisions (TVs) ED_1d, and desktop monitors ED_1e; wearable electronic devices including display modules, such as smart glasses ED_2a, head-mounted displays ED_2b, and smartwatches ED_2c; and vehicle electronic devices ED_3 including display modules, such as central information displays (CIDs) and rearview mirror displays installed on the dashboard, center console, or instrument panel of a vehicle. Furthermore, these devices are provided only as embodiments, and other electronic devices may be used without departing from the inventive concept.

[0057] Figure 1C This is a perspective view of an embodiment of a display device based on the present invention.

[0058] refer to Figure 1C The display device DD can be a device activated by an electrical signal. The display device DD can include various embodiments. In embodiments, the display device DD can be used in relatively large electronic devices such as televisions, monitors, or billboards, as well as in medium and relatively small electronic devices such as personal computers, laptops, personal digital assistants, car navigation units, game consoles, portable electronic devices, and cameras. In this embodiment, for example, the display device DD is a smartphone.

[0059] In the plan view, the display device DD has a quadrilateral shape, for example, a rectangular shape having a short side in the first direction DR1 and a long side in the second direction DR2 intersecting the first direction DR1. However, the shape of the display device DD is not limited to this, and display devices of various shapes can be provided.

[0060] The display device DD can be a foldable display device. Specifically, in embodiments of the present invention, the display device DD can be folded based on a folding axis extending in a predetermined direction. Hereinafter, the unfolded and flat state of the display device DD will be defined as a first state (i.e., the unfolded state), and the state in which the display device DD is folded based on the folding axis will be defined as a second state (i.e., the folded state). The folding axis can be a rotational axis generated when the display device DD is folded, and is defined by the mechanical structure of the display device DD.

[0061] The folding axis can extend in either a first direction DR1 or a second direction DR2. In embodiments of the present invention, the folding axis extending in the second direction DR2 is defined as a first folding axis FX1, and the folding axis extending in the first direction DR1 is defined as a second folding axis FX2. The display device DD can include either the first folding axis FX1 or the second folding axis FX2. That is, the display device DD can be folded based on either the first folding axis FX1 or the second folding axis FX2.

[0062] like Figure 1C As shown, the display device DD can display an image IM on a display surface IS that is parallel to both the first direction DR1 and the second direction DR2. The display surface IS for displaying the image IM can correspond to the front surface of the display device DD. The direction perpendicular to the display surface IS (i.e., the thickness direction of the display device DD) can also be referred to as the third direction DR3. The display device DD can display the image IM facing the third direction DR3.

[0063] The display surface IS of the display device DD can be divided into multiple regions. Within the display surface IS of the display device DD, a display region DA and a non-display region NDA can be defined.

[0064] The display area DA can be the area through which the image IM is displayed, and through which the user views the image IM. The display area DA can have a quadrilateral shape, such as a rectangle. The non-display area NDA is the area adjacent (close to) the display area DA through which the image IM is not displayed. The border area of ​​the display device DD can be defined by the non-display area NDA. In embodiments of the inventive concept, the non-display area NDA can surround the display area DA. Therefore, the display area DA can have a shape substantially defined by the non-display area NDA. However, this is only an illustrative embodiment, and the non-display area NDA can be configured to be adjacent (close to) only one side of the display area DA, or the non-display area NDA can be omitted.

[0065] The display device DD according to the present invention can detect user input TC applied from the outside. User input TC can include various types of external input, such as a part of the user's body, light, heat, or pressure. In this embodiment, user input TC is illustrated as being applied to the front surface by the user's hand. However, this is merely an illustrative embodiment, and as mentioned above, various types of user input TC can be provided. Furthermore, the display device DD can detect user input TC applied to the rear or side surface of the display device DD depending on the structure of the display device DD, and is not limited to this embodiment.

[0066] The display device DD can activate the display surface IS to display the image IM while simultaneously detecting user input TC. In this embodiment, the area on which the user input TC is detected is schematically provided in the display area DA where the image IM is displayed. However, this is only an illustrative embodiment, and the area on which the user input TC is detected can be provided in the non-display area NDA or the entire area spanning the display surface IS.

[0067] Figures 2A to 2D It is shown Figure 1C The attached diagram shows the display device in a folded state.

[0068] Figure 2A It is shown Figure 1C The view shown depicts the display device DD folded inward along the first folding axis FX1. Figure 2B It is shown Figure 1C The view shown is of the display device DD folded outward along the first folding axis FX1.

[0069] Figure 2C It is shown Figure 1C The view shown is of the display device DD folded inward along the second folding axis FX2. Figure 2D It is shown Figure 1C The view shown is of the display device DD folded outward along the second folding axis FX2.

[0070] refer to Figures 2A to 2D The display device DD can be a foldable display device. The display device DD can be folded based on a folding axis extending in a predetermined direction, such as a first folding axis FX1 or a second folding axis FX2.

[0071] refer to Figure 2A and Figure 2B Multiple regions can be defined on the display device DD according to the operating mode. These multiple regions can be divided into a folded region FA1 and at least one non-folded region NFA1 or NFA2. The folded region FA1 can be defined between two non-folded regions NFA1 and NFA2.

[0072] The folding region FA1 is a region folded along a first folding axis FX1 and whose curvature is substantially defined. Here, the first folding axis FX1 can extend along a second direction DR2, which is the longitudinal direction of the display device DD. The folding region FA1 is defined as a region folded along the first folding axis FX1 and extending in the second direction DR2.

[0073] In embodiments of the present invention, the non-folded regions NFA1 and NFA2 may include a first non-folded region NFA1 and a second non-folded region NFA2. The first non-folded region NFA1 is adjacent (close) to one side of the folded region FA1 in the first direction DR1, and the second non-folded region NFA2 is adjacent (close) to the opposite side of the folded region FA1 in the first direction DR1.

[0074] The display device DD can fold inward or outward. Folding inward is defined as folding so that the display surfaces of the different non-folding areas NFA1 and NFA2 face each other, while folding outward is defined as folding so that the display surfaces of the different non-folding areas NFA1 and NFA2 face outward.

[0075] Here, folding inward means folding so that the display surfaces IS face each other, and folding outward means folding so that the rear surfaces of the display device DD face each other.

[0076] like Figure 2A As shown, the display device DD can be folded inward, such that the display surfaces IS (reference) of the first non-folding region NFA1 and the second non-folding region NFA2 are folded inward. Figure 1C The display device DD can be folded inward by rotating the first non-folding region NFA1 clockwise along the first folding axis FX1. In order to fold the display device DD inward so that the first non-folding region NFA1 and the second non-folding region NFA2 are aligned, the first folding axis FX1 can be defined at the center of the display device DD in the first direction DR1.

[0077] refer to Figure 2B The display device DD can fold outwards based on the first folding axis FX1. When the display surfaces IS of the first non-folding region NFA1 and the second non-folding region NFA2 are exposed to the outside, the display device DD can display the image IM. Additionally, the exposed display surface IS of the folding region FA1 can also display the image IM. Figure 1C As shown, the display device DD can display image IM in the open state. The first non-folding area NFA1, the second non-folding area NFA2, and the folding area FA1 can each display an image providing independent information or can display a portion of an image providing information.

[0078] The display device DD can be manufactured to have two folding states: an inward folding state and an outward folding state, or it can be manufactured to have either an inward folding state or an outward folding state.

[0079] refer to Figure 2C and Figure 2D The display device DD can be folded inward or outward based on the second folding axis FX2. The second folding axis FX2 can extend along a first direction DR1 in the direction of the minor axis of the display device DD.

[0080] Multiple regions can be defined on the display device DD according to the operating mode. The multiple regions can be divided into a folded region FA2 and at least one non-folded region NFA3 or NFA4. The folded region FA2 can be defined between two non-folded regions NFA3 and NFA4.

[0081] The folded region FA2 is the region that is folded based on the second folding axis FX2 and whose curvature is essentially defined. The folded region FA2 is defined as the region that is folded along the second folding axis FX2 and extends in the first direction DR1.

[0082] In embodiments of the present invention, the non-folded regions NFA3 and NFA4 may include a first non-folded region NFA3 and a second non-folded region NFA4. The first non-folded region NFA3 is adjacent (close) to one side of the folded region FA2 in the second direction DR2, and the second non-folded region NFA4 is adjacent (close) to the opposite side of the folded region FA2 in the second direction DR2.

[0083] Figure 3A This is a perspective view showing an embodiment of a display device in the open state according to the concept of the present invention; Figure 3B and Figure 3C It is shown Figure 3A The accompanying drawing shows the display device in a multi-folded state.

[0084] refer to Figures 3A to 3CThe display device DD1 can be a foldable display device. Multiple folding regions can be defined in the display device DD1. The display device DD1 may include multiple folding regions FAa-1 and FAa-2, and multiple non-folding regions NFAa-1, NFAa-2, and NFAa-3. In an embodiment of the present invention, the display device DD1 may include a first folding region FAa-1, a second folding region FAa-2, a first non-folding region NFAa-1, a second non-folding region NFAa-2, and a third non-folding region NFAa-3. Along the first direction DR1, the first folding region FAa-1 is disposed between the first non-folding region NFAa-1 and the second non-folding region NFAa-2, while the second folding region FAa-2 is disposed between the second non-folding region NFAa-2 and the third non-folding region NFAa-3. Although two folding regions FAa-1 and FAa-2 and three non-folding regions NFAa-1, NFAa-2, and NFAa-3 are shown in the embodiment, the number of folding regions and non-folding regions is not limited to this and can be increased.

[0085] refer to Figure 3A and Figure 3B The first folding region FAa-1 can be folded based on a third folding axis FX3 parallel to the second direction DR2. The first folding region FAa-1 can be folded inwards, such that the display surface IS of the second non-folding region NFAa-2 faces the display surface IS of the first non-folding region NFAa-1. The second folding region FAa-2 can be folded based on a fourth folding axis FX4 parallel to the second direction DR2. The second folding region FAa-2 can be folded outwards, such that the rear surfaces of the second non-folding region NFAa-2 and the third non-folding region NFAa-3 face each other, and the display surface IS of the third non-folding region NFAa-3 faces outwards.

[0086] refer to Figure 3A and Figure 3C The first folding region FAa-1 can be folded based on a third folding axis FX3 parallel to the second direction DR2. The display device DD1 can be folded inward so that the display surface IS of the first non-folding region NFAa-1 is located on the inside, and the display surface IS of the second non-folding region NFAa-2 faces the display surface IS of the first non-folding region NFAa-1. The second folding region FAa-2 can be folded based on a fourth folding axis FX4 parallel to the second direction DR2. The display device DD1 can be folded inward so that the rear surface of the first non-folding region NFAa-1 and the display surface IS of the third non-folding region NFAa-3 can face each other.

[0087] In embodiments of the present invention, the outward folding operation and the inward folding operation can occur simultaneously, or only one of the outward folding operation and the inward folding operation can occur.

[0088] Despite Figure 3B and Figure 3C The image shows multiple folded states of the display device DD1, but it is not limited to these, and the display device DD1 can have various folding configurations.

[0089] Figure 4 This is an exploded perspective view of an embodiment of a display device according to the present invention, and Figure 5 It is along Figure 4 The cross-sectional view of the display device is shown by the cutting line I-I'.

[0090] refer to Figure 4 and Figure 5 In embodiments of the present invention, the display device DD may include a display module DM for displaying images, an upper module UM disposed on the display module DM, and a lower module LM disposed below the display module DM. The display module DM may constitute a part of the display device DD, and in particular, the image may be generated by the display module DM.

[0091] The display module DM may include a display panel DP and an input sensing unit ISP. In embodiments of the present invention, the display panel DP may be a light-emitting display panel, but it is not particularly limited thereto. In embodiments, for example, the display panel DP may be an organic light-emitting display panel, an inorganic light-emitting display panel, or a quantum dot light-emitting display panel. The light-emitting layer of an organic light-emitting display panel may include organic light-emitting materials, and the light-emitting layer of an inorganic light-emitting display panel may include inorganic light-emitting materials. The light-emitting layer of a quantum dot light-emitting display panel may include quantum dots and quantum rods, etc. Hereinafter, the display panel DP will be described as an organic light-emitting display panel.

[0092] The display panel DP can be a flexible display panel. Therefore, the display panel DP can be completely rolled up, folded, or unfolded along the second folding axis FX2.

[0093] The input sensing unit (ISP) can be directly disposed on the display panel (DP). In embodiments of the present invention, the ISP can be disposed on the display panel (DP) via a continuous process. That is, when the ISP is directly disposed on the display panel (DP), no adhesive film is disposed between the ISP and the display panel (DP). However, the present invention is not limited thereto. An adhesive film can be disposed between the ISP and the display panel (DP). In this case, the ISP is not manufactured via a continuous process performed together with the display panel (DP), but rather via a separate process, and then fixed to the top surface of the display panel (DP) via the adhesive film.

[0094] The display panel (DP) generates an image, while the input sensing unit (ISP) obtains coordinate information for user input (e.g., touch events).

[0095] The upper module UM may include a window WM disposed on the display module DM. The window WM may include an optically transparent insulating material. Therefore, the image generated by the display module DM can be easily recognized by the user when viewed through the window WM. The window WM may include a glass substrate GL, a resin layer RS, a window protective layer PL, and a light-shielding component BM.

[0096] The glass substrate GL may include or be composed of glass material. The glass substrate GL may include a top surface GL-F, a bottom surface GL-B, and a side surface GL-S. The top surface GL-F and the bottom surface GL-B refer to two back-to-back surfaces of the glass substrate GL, for example, two surfaces facing away from each other in a third direction DR3. In the glass substrate GL, the surface adjacent (proximately) to the anti-reflective layer RPL or the display module DM in the third direction DR3 may be the bottom surface GL-B, while the surface adjacent (proximately) to the window protective layer PL may be the top surface GL-F. The side surface GL-S may refer to the surfaces extending from the top surface GL-F and the bottom surface GL-B of the glass substrate GL. The side surface GL-S may be perpendicular to the top surface GL-F or the bottom surface GL-B, or may define an angle of inclination relative to the normal of the top surface GL-F or the bottom surface GL-B. The side surface GL-S may have a first angle relative to the bottom surface GL-B, and the first angle may be between about 90 degrees and about 120 degrees. In an embodiment, when manufacturing a glass substrate GL in an embodiment of the present invention, an etching process using an etchant may be included, resulting in a first angle between the side surface GL-S and the bottom surface GL-B of the glass substrate GL being greater than about 90 degrees.

[0097] The resin layer RS ​​can cover the entire surface of the glass substrate GL. The resin layer RS ​​can contact all surfaces of the glass substrate GL, including the top surface GL-F, the bottom surface GL-B, and the side surfaces GL-S. Because the window WM in the embodiments of the present invention includes the resin layer RS ​​surrounding the entire surface of the glass substrate GL, the strength of the window WM can be increased. The following will explain... Figure 6A The document provides a detailed description of the resin layer RS.

[0098] The light-shielding component BM can be disposed on the bottom surface of the window protective layer PL. The light-shielding component BM can be connected to the non-display area NDA of the display device DD (reference). Figure 1C (overlap). A light-shielding component BM comprising an organic or inorganic light-shielding material containing a black pigment or dye may be provided. However, this disclosure is not limited thereto, and the light-shielding component BM may have a color other than black.

[0099] A window protective layer PL can be provided on a glass substrate GL. The window protective layer PL can be provided on a resin layer RS. The window protective layer PL can be used to protect the glass substrate GL from external impacts. The window protective layer PL can include a synthetic resin material. In embodiments of the inventive concept, the window protective layer PL can include at least one selected from urethane resin, epoxy resin, polyester resin, polyether resin, acrylate resin, acrylonitrile-butadiene-styrene (“ABS”) resin, and rubber. Specifically, the window protective layer PL can include at least one selected from polyphenylene sulfide (PPS), polyethylene terephthalate (“PET”), polyimide (“PI”), polyamide (“PAI”), polyethylene naphthalate (“PEN”), and polycarbonate (“PC”).

[0100] The window WM may further include a first window adhesive layer AF1 and a second window adhesive layer AF2. The first window adhesive layer AF1 may be disposed between the glass substrate GL and the window protective layer PL to attach the window protective layer PL to the glass substrate GL. The second window adhesive layer AF2 may couple the window WM to an assembly disposed below the window WM. In an embodiment, for example, the second window adhesive layer AF2 may be disposed between the window WM and the display module DM to attach the window WM to the display module DM. In an alternative embodiment, the second window adhesive layer AF2 may be disposed between the window WM and the anti-reflective layer RPL to attach the window WM to the anti-reflective layer RPL. The first window adhesive layer AF1 and the second window adhesive layer AF2 may include an optically clear adhesive material. In an embodiment, each of the first window adhesive layer AF1 and the second window adhesive layer AF2 may include, for example, a pressure-sensitive adhesive (“PSA”), an optically clear adhesive (“OCA”), or an optically clear resin (“OCR”). However, embodiments of the inventive concept are not limited thereto, and the first window adhesive layer AF1 and the second window adhesive layer AF2 may be omitted when necessary, and each assembly may be directly disposed without a separate adhesive layer.

[0101] The window WM can be folded or unfolded around the second folding axis FX2. In other words, the shape of the window WM can change as the display module DM deforms. The window WM allows images from the display module DM to pass through while mitigating external impacts, preventing damage or malfunction of the display module DM due to external shocks. External impacts refer to external forces, such as pressure or stress, that may cause defects in the display module DM.

[0102] Additionally, the upper module UM may also include one or more optical layers disposed between the display module DM and the window WM. In embodiments of the present invention, the optical layer may be an anti-reflective layer RPL to prevent external light reflection.

[0103] The antireflective layer RPL prevents the components constituting the display module DM from being visible from the outside due to external light incident through the front of the display device DD. The antireflective layer RPL may include a phase retarder and a polarizer. The phase retarder may be a film-type or a liquid crystal coated type and may include a λ / 2 phase retarder and / or a λ / 4 phase retarder. The polarizer may also be a film-type or a liquid crystal coated type. The film-type may include a stretched synthetic resin film, while the liquid crystal coated type may include liquid crystal arranged in a pre-treated pattern. The phase retarder and polarizer may be implemented as a single polarizing film. The functional layer may also include a protective film disposed on or below the antireflective layer RPL.

[0104] The display module (DM) can display images and send / receive information about external inputs based on electrical signals. The display module (DM) may include an active area (AA) and a peripheral area (NAA). The active area (AA) can be defined as the region in which the image provided by the display module (DM) is emitted.

[0105] The peripheral region NAA is adjacent to (close to) the active region AA. In an embodiment, the peripheral region NAA may surround the active region AA. However, this is merely an illustrative embodiment, and the peripheral region NAA can be defined in various shapes and is not limited to a particular embodiment. In an embodiment, the active region AA of the display module DM may correspond to the display region DA (see [link to relevant documentation]). Figure 1C At least a part of ).

[0106] The lower module LM is disposed on the rear surface of the display module DM and includes a support plate SP that supports the display module DM. The support plate SP may include a number of support plates corresponding to the number of non-folding regions NFA3 and NFA4. In an embodiment of the present invention, the support plate SP may include a first support plate SP1 and a second support plate SP2 disposed separately from the first support plate SP1.

[0107] The first support plate SP1 and the second support plate SP2 can be respectively disposed corresponding to the first non-folding region NFA3 and the second non-folding region NFA4. The first support plate SP1 is disposed corresponding to the first non-folding region NFA3 of the display module DM, and the second support plate SP2 is disposed corresponding to the second non-folding region NFA4 of the display module DM. Each of the first support plate SP1 and the second support plate SP2 may be made of metal or plastic material.

[0108] When the display module DM is in a flat first state, the first support plate SP1 and the second support plate SP2 are spaced apart from each other in the second direction DR2. When the display module DM is in a second state folded based on the second folding axis FX2, the first support plate SP1 and the second support plate SP2 are spaced apart from each other in the third direction DR3.

[0109] The first support plate SP1 and the second support plate SP2 can be spaced apart corresponding to the folding region FA2. The first support plate SP1 and the second support plate SP2 can partially overlap with the folding region FA2. That is, the distance between the first support plate SP1 and the second support plate SP2 in the second direction DR2 can be less than the width of the folding region FA2.

[0110] The support plate SP may also include a connecting module to connect the first support plate SP1 and the second support plate SP2. The connecting module may include a hinge module or a multi-joint module.

[0111] Although the support plate SP in the figure provides two support plates SP1 and SP2, it is not limited thereto. That is, when multiple second folding axes FX2 are provided, the support plate SP can include multiple support plates separated based on the multiple second folding axes FX2. Alternatively, the support plate SP can be provided as a single structure, without being divided into a first support plate SP1 and a second support plate SP2. In this case, a bending member can be provided in the support plate SP corresponding to the folding region FA2. The bending member can be defined by an opening defined through the support plate SP or a groove recessed from a surface of the support plate SP.

[0112] The lower module LM may also include a protective film PF disposed between the display module DM and the support plate SP. The protective film PF may be disposed below the display module DM to protect the rear surface of the display module DM. The protective film PF may include a synthetic resin film, such as a polyimide film or a polyethylene terephthalate film. However, this is merely exemplary, and the protective film PF is not limited to this example.

[0113] Although not shown, the lower module LM may further include a first adhesive film disposed between the protective film PF and the display module DM, and a second adhesive film disposed between the protective film PF and the support plate SP. The protective film PF can be attached to the rear surface of the display module DM via the first adhesive film. The second adhesive film may include a first sub-adhesive film and a second sub-adhesive film. The first sub-adhesive film may be disposed between the first support plate SP1 and the protective film PF, and the second sub-adhesive film may be disposed between the second support plate SP2 and the protective film PF. The first sub-adhesive film and the second sub-adhesive film may be spaced apart from each other, and a folded region FA2 is located between the first sub-adhesive film and the second sub-adhesive film. In embodiments, each of the first adhesive film and the second adhesive film may include, for example, a pressure-sensitive adhesive (“PSA”), an optically clear adhesive (“OCA”), or an optically clear resin (“OCR”).

[0114] In the following, the window WM in an embodiment of the inventive concept will be described in detail with reference to the accompanying drawings.

[0115] Figures 6A to 6C This is a cross-sectional view of an embodiment of a window according to the present invention; Figures 6A to 6C More detailed examples are shown below. Figure 5 The window WM component shown.

[0116] refer to Figures 6A to 6C Each of windows WM-1, WM-2 and WM-3 includes a glass substrate GL comprising a top surface GL-F, a bottom surface GL-B and a side surface GL-S, and a resin layer RS ​​covering all of the top surface GL-F, the bottom surface GL-B and the side surface GL-S.

[0117] The resin layer RS ​​may include organic materials. The resin layer RS ​​may include at least one of urethane resin, epoxy resin, polyimide resin, polyester resin, polyether resin, acrylate resin, and ABS resin. The modulus of the resin layer RS ​​may be in the range of about 1 kPa to about 5 kPa. In embodiments, the modulus of the resin layer RS ​​may be in the range of, for example, about 1 kPa to about 5000 kPa. However, the material and properties of the resin layer RS ​​are not limited to the above ranges, and the resin layer RS ​​may be selected without limitation as long as it increases the strength of windows WM-1, WM-2, and WM-3.

[0118] The resin layer RS ​​may include a first resin layer RS1 and a second resin layer RS2. The first resin layer RS1 may cover the top surface GL-F of the glass substrate GL, while the second resin layer RS2 may cover the bottom surface GL-B and the side surface GL-S of the glass substrate GL.

[0119] The second resin layer RS2 may include a (2-1) resin component RS2-1 and a (2-2) resin component RS2-2. The (2-1) resin component RS2-1 is disposed below the glass substrate GL and may cover the bottom surface GL-B. The (2-1) resin component RS2-1 may extend longitudinally along the bottom surface GL-B in a first direction DR1 or a second direction DR2. The (2-1) resin component RS2-1 may be spaced apart from the first resin layer RS1 in cross-section, and the (2-2) resin component RS2-2 or the glass substrate GL is located between the (2-1) resin component RS2-1 and the first resin layer RS1.

[0120] The (2-2) resin component RS2-2 may be disposed on one side of the glass substrate GL and may cover the side surface GL-S. The (2-2) resin component RS2-2 may extend longitudinally along the side surface GL-S in the third direction DR3. One side of the (2-2) resin component RS2-2 is in contact with the side surface GL-S of the glass substrate GL, while the opposite side of the (2-2) resin component RS2-2 may be exposed to the exterior of windows WM-1, WM-2, and M-3. Therefore, the side surface GL-S of the glass substrate GL may not be exposed to the exterior of windows WM-1, WM-2, and WM-3. The (2-2) resin component RS2-2 may be in contact with at least a portion of the first resin layer RS1. The bottom of the first resin layer RS1 may be in contact with the top surface GL-F of the glass substrate GL or the top surface of the (2-2) resin component RS2-2.

[0121] The materials contained in the first resin layer RS1 and the second resin layer RS2 may be the same as or different from each other. The first thickness T1 of the glass substrate GL may be relatively thicker than the second thickness T2 of the first resin layer RS1 and the third thickness T3 of the second resin layer RS2. The ratio of the first thickness T1 of the glass substrate GL to the second thickness T2 of the first resin layer RS1 may be about 0.01 or greater. In an embodiment, for example, the ratio of the first thickness T1 of the glass substrate GL to the second thickness T2 of the first resin layer RS1 may be about 0.5 or greater. The second thickness T2 of the first resin layer RS1 and the third thickness T3 of the second resin layer RS2 may be the same as or different from each other.

[0122] refer to Figure 6B The first resin layer RS1 may include a (1-1) resin component RS1-1 and a (1-2) resin component RS1-2. The (1-1) resin component RS1-1 may be disposed on the glass substrate GL and may cover the top surface GL-F. The (1-1) resin component RS1-1 may extend longitudinally along the top surface GL-F in a first direction DR1 or a second direction DR2.

[0123] The (1-2) resin component RS1-2 can extend from the (1-1) resin component RS1-1 in the opposite direction to DR3. The (1-2) resin component RS1-2 can extend from the bottom surface of the (1-1) resin component RS1-1 toward the (2-2) resin component RS2-2. In an embodiment, the (1-1) resin component RS1-1 is composed of a first portion overlapping the glass substrate GL in a plan view and a second portion overlapping the (2-2) resin component RS2-2 in a plan view. The (1-2) resin component RS1-2 can extend from the bottom surface of the second portion in the opposite direction to DR3. One side surface of the (1-2) resin component RS1-2 can contact the (2-2) resin component RS2-2. The (1-2) resin component RS1-2 can be spaced apart from the (2-1) resin component in cross-section. Figure 6B In the diagram, the (1-2) resin component RS1-2 is shown exposed to the exterior of the window WM-2, but is not limited thereto. According to the method for manufacturing the window, which will be described later, the (1-2) resin component RS1-2 may be disposed between the (2-2) resin components RS2-2 and may not be exposed to the exterior of the window WM-2. The (1-2) resin component RS1-2 may also contact a portion of the side surface GL-S of the glass substrate GL.

[0124] refer to Figure 6CThe window WM-3 may also include a functional layer disposed on the window protective layer PL. In an embodiment, for example, the window WM-3 may include an anti-fingerprint layer HC disposed on the window protective layer PL. The anti-fingerprint layer HC provides anti-fingerprint functionality, enhancing the usability of the window WD for the user. In an embodiment, the anti-fingerprint layer HC may be a functional layer in which an anti-fingerprint material is added to a hard coating material. The anti-fingerprint layer HC may include a fluorinated compound. In an embodiment, the anti-fingerprint layer HC may include, for example, a perfluoropolyether (“PFPE”) compound. In an alternative embodiment, the anti-fingerprint layer HC may include a silane compound comprising or composed of perfluoropolyethers. The anti-fingerprint layer HC may have a thickness ranging from about 10 nanometers (nm) to about 40 nm. The anti-fingerprint layer HC may be formed by at least one of an electron beam deposition process, a thermal deposition process, and a sputtering process. However, embodiments of the functional layer disposed on the window protective layer PL are not limited thereto and may take various shapes as needed.

[0125] Figure 7A This is a flowchart illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention. Figure 7B This is a flowchart illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention. Figure 8A This is a perspective view illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention. Figures 8B to 8I This is a cross-sectional view illustrating an embodiment of a method for manufacturing a window according to a concept conceived in this invention. Figure 9 , Figure 10A and Figure 10B This is a cross-sectional view illustrating a portion of an embodiment of a method for manufacturing a window according to an inventive concept. In the description of the methods for manufacturing a window and a method for manufacturing a display device in embodiments of the inventive concept, the same components as described above are referred to by the same reference numerals, and detailed descriptions are omitted.

[0126] refer to Figure 7A The method for manufacturing a window in an embodiment of the present invention includes forming a mother panel window comprising a plurality of windows (S100) and cutting the mother panel window along a first dividing line to divide the plurality of windows (S200). Reference Figure 7B In the method for manufacturing a window in an embodiment of the present invention, the formation of a mother plate window comprising a plurality of windows (S100) includes: providing a first mother plate glass substrate comprising a plurality of preliminary glass substrates (S110); forming a second mother plate glass substrate by defining a first groove (S120); forming a first mother plate resin layer on the second mother plate glass substrate (S130); forming a third mother plate glass substrate by defining a second groove (S140); and forming a second mother plate resin layer on the lower part of the third mother plate glass substrate (S150).

[0127] Figures 8A to 8G This is a schematic diagram illustrating an embodiment of the formation (S100) of a motherboard window comprising a plurality of windows in a method for manufacturing a window according to the present invention. Figure 8A This is a schematic diagram showing the provision (S110) of a first mother glass substrate comprising multiple preliminary glass substrates. Figure 8B and Figure 8C This is a schematic diagram showing the formation of a second mother glass substrate (S120) by defining a first groove.

[0128] Figure 8B and Figure 8C It corresponds to Figure 8A The cross-section of cutting line II-II' is shown below. Figures 8D to 8H The order of the methods used to manufacture the window is shown. Figure 8B and Figure 8C The cross section. Figure 8D This is a schematic diagram showing the formation of a first motherboard resin layer (S130) on a second motherboard glass substrate, and Figure 8E and Figure 8F This is a schematic diagram showing the formation of a third mother plate glass substrate (S140) by defining a second groove. Figure 8G This is a schematic diagram showing the formation of a second motherboard resin layer (S150) on the lower part of the third motherboard glass substrate. Figure 8H and Figure 8I The diagram schematically illustrates cutting the mother panel window along the first dividing line to divide it into multiple windows (S200).

[0129] refer to Figure 7A and Figures 8A to 8G In an embodiment of the present invention, the method for manufacturing a window includes forming a master window PWM comprising a plurality of windows (S100).

[0130] refer to Figure 7B and Figure 8A In an embodiment of the present invention, the formation of the mother panel window (S100) includes providing a first mother panel glass substrate PGM1 (S110).

[0131] The first mother glass substrate PGM1 may include a plurality of preliminary glass substrates P-GL. The plurality of preliminary glass substrates P-GL may be arranged in a plan view along a first direction DR1 and a second direction DR2. The plurality of preliminary glass substrates P-GL may be divided by a first dividing line CL. In the description of the method for manufacturing a window in embodiments of the inventive concept and the method for manufacturing a display device in embodiments of the inventive concept, the description of the plurality of windows or the plurality of display devices may be described later. Here, the first dividing line CL may refer to an imaginary dividing line or dividing plane parallel to the first direction DR1 and the second direction DR2, dividing the plurality of windows, the plurality of display devices, or the plurality of intermediate components (e.g., the plurality of preliminary glass substrates P-GL) into individual units.

[0132] refer to Figure 7B and Figures 8A to 8C In an embodiment of the present invention, the formation of the mother plate window (S100) includes forming a second mother plate glass substrate PGM2 by defining a first groove H1 (S120).

[0133] The formation of the second mother glass substrate PGM2 (S120) includes irradiating the first mother glass substrate PGM1 with strong light (e.g., laser LR). The laser LR can irradiate to correspond to the first dividing line CL. When the laser LR irradiates the first mother glass substrate PGM1, a first groove H1 can be defined in the top surface of the first mother glass substrate PGM1. The first groove H1 can be defined along the first dividing line CL. Multiple first grooves H1 can be provided on the third direction DR3. In the formation of the second mother glass substrate PGM2, multiple first grooves H1 can be provided depending on characteristics such as the intensity, irradiation time, or wavelength range of the irradiating laser LR.

[0134] The formation of the second mother glass substrate PGM2 (S120) may further include chemically treating the top surface of the second mother glass substrate PGM2 to increase the size of the first groove H1. Therefore, chemically treating the top surface of the second mother glass substrate PGM2 to increase the size of the first groove H1 can uniformly etch the top surface of the second mother glass substrate PGM2, thereby removing micro-cracks present on the surface. Chemically treating the top surface of the second mother glass substrate PGM2 to increase the size of the first groove H1 may include a healing process. This process can relatively increase the strength of the top surface of the second mother glass substrate PGM2.

[0135] The top surface of the second mother glass substrate PGM2 can be chemically treated with an etchant. In embodiments, for example, the top surface of the second mother glass substrate PGM2 can be chemically treated with sulfuric acid (H2SO4), nitric acid (HNO3), or hydrofluoric acid (HF). However, the methods for chemically treating the second mother glass substrate PGM2 are not limited to these, and various methods can be designed using the repair process.

[0136] The size of the first groove H1 can be increased along the first direction DR1 to the third direction DR3. In an embodiment, for example, as each of the plurality of first grooves H1 increases in size, the plurality of first grooves H1 merge together. Thus, the first grooves H1 can be increased from a point shape to form a line shape in the cross section.

[0137] refer to Figure 7B and Figure 8D In an embodiment of the present invention, the formation of the motherboard window (S100) includes forming a first motherboard resin layer RM1 on a second motherboard glass substrate PGM2 (S130).

[0138] A first motherboard resin layer RM1 can be formed on the second motherboard glass substrate PGM2. A portion of the first motherboard resin layer RM1 can fill the first groove H1 (see reference). Figure 8B and Figure 8C The formation of the first motherboard resin layer RM1 can be performed using a large-area coating process. In an embodiment, for example, the formation of the first motherboard resin layer RM1 can be performed by applying resin via a process such as bar coating, slot die coating, spraying, or screen printing. In an alternative embodiment, the formation of the first motherboard resin layer RM1 can be performed by attaching a film comprising or composed of resin.

[0139] refer to Figure 7B , Figure 8E and Figure 8F In an embodiment of the present invention, the formation of the mother panel window (S100) includes forming a third mother panel glass substrate PGM3 by defining a second groove H2 (S140).

[0140] The formation of the third mother glass substrate PGM3 may include etching the second mother glass substrate PGM2 from below (see reference). Figure 8D The second mother glass substrate PGM2 can be etched from below in the opposite direction to DR3 to form the third mother glass substrate PGM3. As a result, the thickness of the third mother glass substrate PGM3 can be relatively smaller than the thickness of the second mother glass substrate PGM2. The third mother glass substrate PGM3 can be formed by a thinning process performed on the second mother glass substrate PGM2. Although an etchant can be used for the thinning process, this disclosure is not limited thereto.

[0141] When the second mother glass substrate PGM2 is etched from below, a second groove H2 can be defined in the bottom surface of the third mother glass substrate PGM3. The second groove H2 can be defined along the first dividing line CL. In an embodiment, when the second mother glass substrate PGM2 is etched using an etchant, for example, due to the filling of the first mother resin layer RM1 into the first groove H1 (see reference...), Figure 8B and Figure 8C In the portion of the first dividing line CL, the etching rate of the second mother glass substrate PGM2 adjacent to (close to) the first dividing line CL can be relatively high. As a result, the second groove H2 can be defined along the first dividing line CL.

[0142] The formation of the third mother glass substrate PGM3 (S140) may further include chemically treating the bottom surface of the third mother glass substrate PGM3 to increase the size of the second groove H2. Therefore, chemically treating the bottom surface of the third mother glass substrate PGM3 to increase the size of the second groove H2 can uniformly etch the bottom surface of the third mother glass substrate PGM3, thereby removing fine cracks present on the surface of the third mother glass substrate PGM3. Chemically treating the bottom surface of the third mother glass substrate PGM3 to increase the size of the second groove H2 may include a repair process.

[0143] This process can relatively increase the strength of the bottom surface of the third motherboard glass substrate PGM3.

[0144] The bottom surface of the third mother glass substrate PGM3 can be chemically treated with an etchant. In embodiments, for example, the bottom surface of the third mother glass substrate PGM3 can be chemically treated with sulfuric acid (H2SO4), nitric acid (HNO3), or hydrofluoric acid (HF). However, the methods for chemically treating the third mother glass substrate PGM3 are not limited to these and can be designed using various methods in the repair process.

[0145] refer to Figure 7B and Figure 8G In an embodiment of the present invention, the formation of the motherboard window (S100) includes forming a second motherboard resin layer RM2 on a third motherboard glass substrate PGM3 (S150).

[0146] A second motherboard resin layer RM2 can be formed on the lower part of the third motherboard glass substrate PGM3. A portion of the second motherboard resin layer RM2 can fill the second groove H2 (reference). Figure 8E and Figure 8FThe formation of the second motherboard resin layer RM2 can be performed using a large-area coating process. In an embodiment, for example, the formation of the second motherboard resin layer RM2 can be achieved by applying resin via processes such as bar coating, slot die coating, spraying, or screen printing. In an alternative embodiment, the formation of the second motherboard resin layer RM2 can be achieved by attaching a film comprising or composed of resin.

[0147] refer to Figure 7A , Figure 8H and Figure 8I In an embodiment of the present invention, the method for manufacturing a window includes cutting a motherboard window PWM along a first dividing line CL to divide a plurality of windows WM (S200).

[0148] The motherboard window PWM may include a first motherboard resin layer RM1, a second motherboard resin layer RM2, and a third motherboard glass substrate PGM3. A window WM, separately segmented from the motherboard window PWM, may include the aforementioned first resin layer RS1, second resin layer RS2, and glass substrate GL, respectively corresponding to the first motherboard resin layer RM1, the second motherboard resin layer RM2, and the third motherboard glass substrate PGM3. Additionally, as described above, the window WM in the embodiment may also include a window protective layer PL (see reference). Figure 5 ).

[0149] refer to Figure 8H , Figure 8I and Figure 9 In an embodiment of the present invention, the method for manufacturing a display device may further include, after cutting a motherboard window PWM along a first dividing line CL to divide a plurality of windows WM, coupling a display module DM to the lower part of the windows WM.

[0150] refer to Figure 8H , Figure 10A and Figure 10B In another embodiment of the present invention, the method for manufacturing a display device may include, after the formation of the motherboard window PWM, coupling the motherboard display substrate PDM to the lower part of the motherboard window PWM to form the motherboard substrate PM, and cutting the motherboard substrate PM along the first dividing line CL to divide a plurality of display devices DD.

[0151] The motherboard display substrate (PDM) may include multiple display modules (DMs) separated by a first dividing line (CL). The multiple display modules (DMs) may be coupled to the lower part of windows (WMs), such that the multiple display modules (DMs) respectively correspond to the multiple windows (WMs).

[0152] The motherboard substrate PM may include a motherboard window PWM and a motherboard display substrate PDM. The display device DD, which is separately separated from the motherboard substrate PM, may include the aforementioned window WM and a display module DM corresponding to the motherboard window PWM and the motherboard display substrate PDM.

[0153] The window in the embodiments of the present invention may include a glass substrate and a resin layer that completely covers the entire surface of the glass substrate, which can improve reliability. Since the window in the embodiments includes a resin layer that completely covers the entire surface of the glass substrate, the strength of the window can be increased. Furthermore, the window in the embodiments may include a resin layer covering the entire surface of the glass substrate, particularly covering the side surfaces of the glass substrate, and can be manufactured by a process of applying resin to respective motherboard units. This can improve the uniformity of the resin layer applied to the glass substrate. As a result, the display device including the window in the embodiments of the present invention can have improved viewing reliability. Moreover, the methods for manufacturing the window and the methods for manufacturing the display device including the window in the embodiments of the present invention may include dividing the motherboard window after the motherboard window is formed, and forming resin layers on the top and bottom surfaces of the glass substrate when forming the motherboard window. Therefore, a window with improved thickness uniformity and enhanced surface properties can be provided.

[0154] The display device in an embodiment of the present invention may include a resin layer covering the entire top, bottom, and side surfaces of a glass substrate, thereby improving the impact resistance and strength of the window including the glass substrate, which can improve reliability.

[0155] The method for manufacturing a window in an embodiment of the present invention may include: forming a master window and separating the resin layers formed on the top and bottom surfaces of a glass substrate during the formation of the master window, thereby providing a window with improved thickness uniformity and enhanced surface properties. Therefore, the visibility to the user can be improved with the window manufactured by the method in the embodiments of the present invention. Furthermore, the method for manufacturing a display device in an embodiment of the present invention can manufacture a display device including a window with improved thickness uniformity and surface properties, thereby enhancing user reliability.

[0156] Although embodiments of the inventive concept have been described, it is understood that the inventive concept should not be limited to these embodiments, but rather that various changes and modifications can be made by those skilled in the art within the spirit and scope of the inventive concept as claimed.

[0157] Therefore, the technical scope of the present invention should not be limited to the content set forth in the detailed description of this specification, but should be defined by the claims.

Claims

1. A display device, wherein, The display device includes: a display panel; and a window disposed on the display panel, the window including: a glass substrate including a top surface, a bottom surface opposite to the top surface in a thickness direction, and a side surface extending to the top surface and the bottom surface; a resin layer covering all of the top surface, the bottom surface, and the side surface of the glass substrate; and a window protective layer disposed on the resin layer.

2. The display device according to claim 1, wherein The resin layer includes: a first resin layer covering the top surface of the glass substrate; and a second resin layer covering the bottom surface and the side surface of the glass substrate.

3. The display device according to claim 2, wherein The second resin layer includes: a 2-1 resin part disposed below the glass substrate to cover the bottom surface of the glass substrate; and a 2-2 resin part disposed at a side of the glass substrate and in contact with the side surface of the glass substrate, wherein at least a portion of the first resin layer is in contact with the 2-2 resin part.

4. The display device according to claim 3, wherein The first resin layer includes: a 1-1 resin part disposed on the glass substrate and covering the top surface of the glass substrate; and a 1-2 resin part extending from the 1-1 resin part in the thickness direction, and a side surface of the 1-2 resin part is in contact with at least a portion of the 2-2 resin part.

5. The display device of claim 4, wherein, The 1-2 resin part is spaced apart from the 2-1 resin part in a cross section.

6. The display device according to claim 2, wherein A material included in the first resin layer is the same as a material included in the second resin layer.

7. The display device according to claim 2, wherein A material included in the first resin layer is different from a material included in the second resin layer.

8. The display device according to claim 2, wherein A first thickness of the glass substrate is greater than a second thickness of the first resin layer.

9. The display device according to claim 1, wherein The resin layer includes at least one of a urethane resin, an epoxy resin, a polyimide resin, a polyester resin, a polyether resin, an acrylate resin, and an acrylonitrile-butadiene-styrene resin.

10. The display device according to claim 2, wherein The window further includes an anti-fingerprint layer disposed on the window protective layer.

11. The display device according to claim 1, wherein The display device further includes an optical layer disposed on the display panel and the window.

12. An electronic device, wherein, The electronic device includes: a display device; and a power supply module for supplying power to the display device, the display device including: a display panel; and a window disposed on the display panel, the window including: a glass substrate including a top surface, a bottom surface opposite to the top surface in a thickness direction, and a side surface extending to the top surface and the bottom surface; a resin layer covering all of the top surface, the bottom surface, and the side surface of the glass substrate; and a window protective layer disposed on the resin layer. 13.A method for manufacturing a display device, the display device including a display module and a window disposed on the display module, the display module including a light emitting element, the method including: forming a mother window including a plurality of windows arranged in a first direction and a second direction crossing the first direction; and cutting the mother window along a first division line to divide each of the plurality of windows, wherein the forming the mother window includes: A first mother panel glass substrate is provided, the first mother panel glass substrate including a preliminary glass substrate split along a first split line; A laser is irradiated onto the first mother panel glass substrate to define a first recess corresponding to the first split line to form a second mother panel glass substrate; A first mother panel resin layer is formed on the second mother panel glass substrate; The second mother panel glass substrate is etched from a lower side to define a second recess corresponding to the first split line to form a third mother panel glass substrate; and A second mother panel resin layer is formed on a lower portion of the third mother panel glass substrate.

14. The method of claim 13, wherein, The forming the second mother panel glass substrate further includes: chemically treating a top surface of the second mother panel glass substrate to increase a size of the first recess.

15. The method of claim 14, wherein, The chemically treating the top surface of the second mother panel glass substrate to increase the size of the first recess includes: increasing a strength of the top surface of the second mother panel glass substrate.

16. The method of claim 13, wherein, The forming the third mother panel glass substrate further includes: chemically treating a bottom surface of the third mother panel glass substrate to increase a size of the second recess.

17. The method of claim 16, wherein, The chemically treating the bottom surface of the third mother panel glass substrate to increase the size of the second recess includes: increasing a strength of the bottom surface of the third mother panel glass substrate.

18. The method of claim 13, wherein, The method further includes, after the forming the second mother panel resin layer, forming a mother panel window protection layer on the first mother panel resin layer.

19. The method of claim 13, wherein, The method further includes, after splitting the plurality of windows, coupling the display module to a lower portion of the window.

20. The method of claim 13, wherein, The method further includes, after forming the mother panel window: A mother panel display substrate is provided, the mother panel display substrate including a plurality of display modules split by the first split line; The display module of the plurality of display modules is coupled to a lower portion of the mother panel window to form a mother panel substrate; and The mother panel substrate is cut along the first split line to split a plurality of display devices such that the display devices are provided by the plurality of display devices. The method further includes, after forming the mother panel window: A mother panel display substrate is provided, the mother panel display substrate including a plurality of display modules split by the first split line; The display module of the plurality of display modules is coupled to a lower portion of the mother panel window to form a mother panel substrate; and The mother panel substrate is cut along the first split line to split a plurality of display devices such that the display devices are provided by the plurality of display devices.

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