KR102498253B1 - A display and an electronic device including waterproof structure - Google Patents

Abstract

An electronic device including a waterproof structure is disclosed. A housing including a first plate directed in a first direction, a second plate directed in a second direction opposite to the first direction, and a side member surrounding a space between the first plate and the second plate; A planar area including an active area emitting light toward the first plate, and a connection area extending from at least a portion of an edge of the planar area, disposed between the first plate and the side plate. A display panel, a polarizing plate disposed on the flat area, and a filling member spaced apart from the connection area and disposed at one edge of the flat area, wherein one edge of the flat area is an area where the filling member is disposed. A cut surface bent in a step shape may be included, and a portion of the cut surface may include a shape in which a boundary between the display panel and the polarizing plate coincides.

Description

Display and electronic device including waterproof structure {A DISPLAY AND AN ELECTRONIC DEVICE INCLUDING WATERPROOF STRUCTURE}

Various embodiments relate to displays and electronic devices that include a waterproof structure.

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Electronic devices are being developed in the direction of slimming and shrinking bezels according to user demand, and the demand for waterproofing of electronic devices not only when enjoying activities such as water sports but also in daily life makes electronic devices have waterproof performance. can include

Regarding the waterproof method, the electronic device according to an embodiment may attach a waterproof tape between a window and an internal mechanism of the electronic device. In order to maintain the waterproof performance of a waterproof member such as a waterproof tape, etc., the waterproof member may be disposed in consideration of the arrangement relationship of other components inside the electronic device in order to prevent lifting after being attached.

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According to various embodiments, an electronic device may include a waterproof member inside for a waterproof function. The waterproof member may be interposed between the window and the housing, and when the window and the housing are coupled, a waterproof function may be realized by sealing an internal space of the electronic device.

For waterproof performance, a waterproof tape needs a certain width or more, and a problem in that the BM area increases by the width of the waterproof tape may occur.

Various embodiments may provide a display and an electronic device capable of securing waterproof performance without increasing the BM area.

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An electronic device according to various embodiments surrounds a first plate facing a first direction, a second plate facing a second direction opposite to the first direction, and a space between the first plate and the second plate. A display panel including a housing including a side member, an active area emitting light toward the first plate, and a connection area extending from at least a portion of one edge of the active area, disposed on the active area A polarizing plate and a protective layer disposed on the connection region may be included, and a boundary of a remaining region of one edge may coincide with an edge boundary of the polarizing plate.

A display device according to various embodiments includes a display panel including an active area emitting light and a connection area extending from at least a portion of an edge of the active area, a display driving circuit disposed in the connection area, and the active area. A polarizing plate disposed on the region and a protective layer disposed on the connection region may be included, and a boundary of the remaining region of one edge may coincide with an edge boundary of the polarizing plate.

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According to various embodiments, the electronic device improves waterproof performance by preventing a reverse step between the display panel and the polarizer from occurring without increasing the area where the waterproof member is disposed.

According to various embodiments, the electronic device can reduce the BM area of the display, so that a wider display screen can be implemented in the electronic device.

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1 is a block diagram of an electronic device in a network environment, according to an embodiment.
2 is a block diagram of a display device according to an exemplary embodiment.
3A and 3B are perspective views illustrating a waterproof structure of an electronic device according to an exemplary embodiment.
4A and 4B are diagrams illustrating a region where a reverse step of a display module occurs, according to an exemplary embodiment.
5A and 5B are views illustrating a display device including a polarizing plate and a protective layer, according to an exemplary embodiment.
6A and 6B are diagrams illustrating a cutting path and an egg turning shape of a display module according to an exemplary embodiment.
7A, 7B, 8A, and 8B are diagrams illustrating an arrangement of a lead wire and a position of a filling member in a display module according to an exemplary embodiment.
9 is a perspective view of a display module according to one embodiment.

1 is a block diagram of an electronic device 101 within a network environment 100, according to various embodiments. Referring to FIG. 1 , in a network environment 100, an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It is possible to communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120, a memory 130, an input device 150, an audio output device 155, a display device 160, an audio module 170, a sensor module ( 176), interface 177, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196, or antenna module 197 ) may be included. In some embodiments, in the electronic device 101, at least one of these components (eg, the display device 160 or the camera module 180) may be omitted or one or more other components may be added. In some embodiments, some of these components may be implemented as a single integrated circuit. For example, the sensor module 176 (eg, a fingerprint sensor, an iris sensor, or an illumination sensor) may be implemented while being embedded in the display device 160 (eg, a display).

The processor 120, for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , process commands or data stored in the volatile memory 132 , and store resultant data in the non-volatile memory 134 . According to one embodiment, the processor 120 includes a main processor 121 (eg, a central processing unit or an application processor), and a secondary processor 123 (eg, a graphics processing unit, an image signal processor) that may operate independently of or in conjunction therewith. , sensor hub processor, or communication processor). Additionally or alternatively, the secondary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function. The secondary processor 123 may be implemented separately from or as part of the main processor 121 .

The secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display device 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to one embodiment, the auxiliary processor 123 (eg, image signal processor or communication processor) may be implemented as part of other functionally related components (eg, camera module 180 or communication module 190). there is.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, program 140) and commands related thereto. The memory 130 may include volatile memory 132 or non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input device 150 may receive a command or data to be used for a component (eg, the processor 120) of the electronic device 101 from an outside of the electronic device 101 (eg, a user). The input device 150 may include, for example, a microphone, mouse, or keyboard.

The sound output device 155 may output sound signals to the outside of the electronic device 101 . The audio output device 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes, such as multimedia playback or recording playback, and the receiver can be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display device 160 may visually provide information to the outside of the electronic device 101 (eg, a user). The display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to an embodiment, the display device 160 may include a touch circuitry set to detect a touch or a sensor circuit (eg, a pressure sensor) set to measure the intensity of force generated by the touch. there is.

The audio module 170 may convert sound into an electrical signal or vice versa. According to one embodiment, the audio module 170 acquires sound through the input device 150, the sound output device 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102). According to one embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102). According to one embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to one embodiment, the power management module 388 may be implemented as at least part of a power management integrated circuit (PMIC), for example.

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : a local area network (LAN) communication module or a power line communication module). Among these communication modules, the corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, WiFi direct, or IrDA (infrared data association)) or a second network 199 (eg, a cellular network, the Internet, or It may communicate with an external electronic device via a computer network (eg, a telecommunications network such as a LAN or WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips). The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 may be identified and authenticated.

The antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device). According to one embodiment, the antenna module 197 may include one or more antennas, from which at least one antenna suitable for a communication scheme used in a communication network such as the first network 198 or the second network 199 is, For example, it may be selected by the communication module 190. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the electronic devices 102 and 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or part of operations executed in the electronic device 101 may be executed in one or more external devices among the external electronic devices 102, 104, or 108. For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself. Alternatively or additionally, one or more external electronic devices may be requested to perform the function or at least part of the service. One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 . The electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed. To this end, for example, cloud computing, distributed computing, or client-server computing technology may be used.

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2 is a block diagram 200 of a display device 160 according to various embodiments. Referring to FIG. 2 , the display device 160 may include a display 210 and a display driver IC (DDI) 230 for controlling the display 210 . The DDI 230 may include an interface module 231 , a memory 233 (eg, a buffer memory), an image processing module 235 , or a mapping module 237 . The DDI 230 receives, for example, video data or video information including video control signals corresponding to commands for controlling the video data from other components of the electronic device 101 through the interface module 231. can do. For example, according to one embodiment, the image information is processed by the processor 120 (eg, the main processor 121 (eg, an application processor) or the auxiliary processor 123 (eg, an auxiliary processor 123 that operates independently of the function of the main processor 121). Example: The DDI 230 can communicate with the touch circuit 250 or the sensor module 176 through the interface module 231. In addition, the DDI 230 can communicate with the touch circuit 250 or the sensor module 176, etc. At least a portion of the received image information may be stored in the memory 233, for example, in units of frames, and the image processing module 235 may, for example, convert at least a portion of the image data to characteristics of the image data or Preprocessing or postprocessing (eg, resolution, brightness, or size adjustment) may be performed based on at least the characteristics of the display 210. The mapping module 237 performs preprocessing or postprocessing through the image processing module 135. A voltage value or a current value corresponding to the image data may be generated According to an embodiment, the generation of the voltage value or the current value may be a property of pixels of the display 210 (eg, an array of pixels). RGB stripe or pentile structure), or the size of each sub-pixel) At least some pixels of the display 210 are based, for example, at least in part on the voltage value or current value By being driven, visual information (eg, text, image, or icon) corresponding to the image data may be displayed through the display 210 .

According to one embodiment, the display device 160 may further include a touch circuit 250 . The touch circuit 250 may include a touch sensor 251 and a touch sensor IC 253 for controlling the touch sensor 251 . The touch sensor IC 253 may control the touch sensor 251 to detect, for example, a touch input or a hovering input to a specific location of the display 210 . For example, the touch sensor IC 253 may detect a touch input or a hovering input by measuring a change in a signal (eg, voltage, light amount, resistance, or charge amount) for a specific position of the display 210 . The touch sensor IC 253 may provide information (eg, location, area, pressure, or time) on the sensed touch input or hovering input to the processor 120 . According to an exemplary embodiment, at least a part of the touch circuit 250 (eg, the touch sensor IC 253) is disposed as a part of the display driver IC 230, the display 210, or the outside of the display device 160. It may be included as part of other components (eg, the auxiliary processor 123).

According to an embodiment, the display device 160 may further include at least one sensor (eg, a fingerprint sensor, an iris sensor, a pressure sensor, or an illumination sensor) of the sensor module 176 or a control circuit for the sensor module 176 . In this case, the at least one sensor or a control circuit thereof may be embedded in a part of the display device 160 (eg, the display 210 or the DDI 230) or a part of the touch circuit 250. For example, when the sensor module 176 embedded in the display device 160 includes a biometric sensor (eg, a fingerprint sensor), the biometric sensor is biometric information associated with a touch input through a partial area of the display 210. (e.g. fingerprint image) can be acquired. For another example, when the sensor module 176 embedded in the display device 160 includes a pressure sensor, the pressure sensor may acquire pressure information associated with a touch input through a part or the entire area of the display 210. can According to one embodiment, the touch sensor 251 or sensor module 176 may be disposed between pixels of a pixel layer of the display 210 or above or below the pixel layer.

Electronic devices according to various embodiments disclosed in this document may be devices of various types. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance. An electronic device according to an embodiment of the present document is not limited to the aforementioned devices.

Various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, like reference numbers may be used for like or related elements. The singular form of a noun corresponding to an item may include one item or a plurality of items, unless the relevant context clearly dictates otherwise. In this document, "A or B", "at least one of A and B", "at least one of A or B," "A, B or C," "at least one of A, B and C," and "A Each of the phrases such as “at least one of , B, or C” may include all possible combinations of items listed together in the corresponding one of the phrases. Terms such as "first", "second", or "first" or "secondary" may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited. A (e.g., first) component is said to be "coupled" or "connected" to another (e.g., second) component, with or without the terms "functionally" or "communicatively." When mentioned, it means that the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term "module" used in this document may include a unit implemented by hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit, for example. A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of this document provide one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). It may be implemented as software (eg, the program 140) including them. For example, a processor (eg, the processor 120 ) of a device (eg, the electronic device 101 ) may call at least one command among one or more instructions stored from a storage medium and execute it. This enables the device to be operated to perform at least one function according to the at least one command invoked. The one or more instructions may include code generated by a compiler or code executable by an interpreter. Device-readable storage media may be provided in the form of non-transitory storage media. Here, 'non-temporary' only means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store™) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smartphones. In the case of online distribution, at least part of the computer program product may be temporarily stored or temporarily created in a device-readable storage medium such as a manufacturer's server, an application store server, or a relay server's memory.

According to various embodiments, each component (eg, module or program) of the components described above may include a singular entity or a plurality of entities. According to various embodiments, one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. . According to various embodiments, the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.

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3A and 3B are perspective views illustrating a waterproof structure of an electronic device according to an exemplary embodiment.

Referring to FIG. 3A , an electronic device 300 may include a display 301 and a side member 330 . According to various embodiments, the electronic device 9300) may not include some components shown in FIG. 3A or may additionally include components not shown in FIG. 3A.

According to one embodiment, the display 301 may be formed of a transparent plate 310 and a display module 320 . The transparent plate 310 may transmit light emitted from the display module 320 . The transparent plate 310 is made of polymer materials such as polycarbonate (PC), polymethyl methacrylate (PMMA), polyimide (PE), polyethylene terephthalate (PET), and polypropylene terephthalate. It may be formed of at least one material of a polymer material such as phthalate (polypropylene terephthalate, PPT) or glass. According to one embodiment, the transparent plate 310 may include a multilayer structure of various materials.

According to an embodiment, the display module 320 may be formed of a plurality of layers including a thin film transistor layer and an organic light emitting layer. The display module 320 may output various contents by a plurality of pixels included in the display panel 313 .

According to an embodiment, the display module 320 may include an adhesive member 311 , a polarization layer (or a polarizing plate or a polarizing film) 312 , and a display panel 313 . An adhesive member 311 may be used to attach the transparent plate 310 and the display module 320 to each other or to each layer included therein. The adhesive member 311 may include a double-sided adhesive film, a pressure-sensitive adhesive, an optical clear adhesive (OCA), or an optical clear resin (OCR).

According to one embodiment, the polarization layer 312 may be attached to the transparent plate 310 by an adhesive member 311 . The polarization layer 312 may prevent reflection of external light to improve panel visibility in a place where external light is strong, such as outdoors. The polarization layer 312 may be formed of a polyethylene terephthalate (PET) film or a tri-acetyl cellulose (TAC) film.

The display panel 313 includes a scan line and a data line, a light emitting element (eg, OLED) that generates light based on signals supplied from the scan line and the data line, and the light emitting element It may include a substrate (eg, a low temperature poly silicon (LTPS) substrate) on which it is disposed, and a thin film encapsulation (TFE) for protecting the light emitting element.

According to one embodiment, the side member 330 is disposed above and below the side member, and the first waterproof member 341 in contact with the transparent plate 310 may be applied. A second waterproof member 342 may be applied to a side surface of the side member 330 in the longitudinal direction and may be in contact with the rear surface of the display panel 320 . According to various embodiments, the first and second waterproof members 341 and 342 may include at least one of tape, adhesive, waterproof dispensing, silicone, waterproof rubber, and urethane.

According to an embodiment, the filling member 343 is a resin disposed at a position where a height difference between the first waterproof member 341 and the second waterproof member 342 occurs, and may be a cured in placed gasket (CIPG).

According to various embodiments, the first waterproof member 341, the second waterproof member 342, and the filling member 343 are in close contact with the edge of the display 301 including the transparent plate 310, thus sealing for waterproofing. space can be created.

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Referring to FIG. 3B , the electronic device 300 may secure waterproof performance by disposing a waterproof member 340 between one surface of the side member 330 and the transparent plate 310 or the display panel 320 . When the waterproof member 340 is disposed between the transparent plate 310 and the side member 330, the bezel of the electronic device 300 may be as thick as the width of the waterproof member 340. On the side of the electronic device 300 where the bezel is formed thin, the waterproof member 340 may be disposed between the display panel 320 and one surface of the side member 330 .

According to one embodiment, when the waterproof member 340 is disposed on the curved area, the display panel 320 and the waterproof member 340 are separated by a repulsive force to return the plurality of layers forming the display panel 320 to their original state. It can be separated at the interface of contact. When the waterproof member 340 is moved from the curved area to the inside and is positioned on the flat area, separation of the display panel 320 and the waterproof member 340 at the interface where they come into contact with each other can be prevented. Since the adhesive force between the waterproof member 340 and the display panel 320 can be maintained, the waterproof performance of the electronic device 300 can be improved. Moisture may flow into an area where the waterproof member 340 is located through a space formed between the transparent plate 310 and the side member 330 . Even if the reverse step portion 321 formed by the plurality of layers of the display panel 320 is exposed to the moisture movement path (arrow path), there is no problem in waterproofing, but a reverse step is formed in the area where the filling member 343 exists. , it may be difficult for the filling member 343 to fill the reverse step portion. According to various embodiments, a protective layer may be applied to remove a reverse stepped portion formed in a COP (chip on board) bending area of the display module 320 where the filling member 343 exists.

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4A and 4B are diagrams illustrating a region where a reverse step of a display module occurs, according to an exemplary embodiment.

Referring to FIGS. 4A and 4B , the display panel 420 may include a polarizing plate 412 and a reverse stepped portion 422 formed by a plurality of layers forming the display panel 420, and the polarizing plate 412 A protective layer 421 may be disposed in an area adjacent to .

Referring to FIG. 4A , the filling member arrangement area 443 may be disposed on the curved area 412b. According to an embodiment, the reverse step portion 422 may be disposed inside an airtight area of the electronic device, and penetration of moisture into the reverse step portion 422 may be prevented. According to various embodiments, when the filling member disposition area 443 is disposed on a curved area, adhesive strength of the filling member may decrease.

Referring to FIG. 4B , the filling member disposition area 443 may be located on the plane area 412a. According to various embodiments, the reverse step portion 422 may be formed not only in an inner area of the filling member disposition area 443 but also in an outer area. According to various embodiments, the reverse step portion 422 of the display panel 420 may be exposed to a moisture path.

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5A and 5B are views illustrating a display device including a polarizing plate and a protective layer, according to an exemplary embodiment.

Referring to FIG. 5A , a protective layer 421 may be extended and applied to the display panel 420 to eliminate the reverse step portion 422 . The additional protective layer 450 may be widely applied to secure a certain thickness. When the additional protective layer 450 is applied, the reverse step portion 422 between the display panel 420 and the polarizer may be filled. Accordingly, it is possible to prevent moisture from entering the reverse step portion 422 .

Referring to FIG. 5B , the electronic device 400 may include a transparent plate 410 , an adhesive member 411 , a polarization layer 412 and a display panel 413 .

The transparent plate 410 and the polarization layer 412 may be adhered to each other by an adhesive member 411, and the adhesive member 411 may be an optical adhesive member (OCA). An adhesive member may also be interposed between the polarization layer 412 and the plurality of layers 413a and 413b forming the display panel 413 .

Due to a tolerance between the polarization layer 412 and the display panel 413 , a reverse step portion 422 may be formed between the polarization layer 412 and the display panel 412 . The reverse step portion 422 may be filled with the protective layer 450 .

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6A and 6B are diagrams illustrating a cut path of a display module and a cut shape of the display module, according to an exemplary embodiment.

Referring to FIG. 6A , an operation of cutting the display panel 620 with a laser to remove the reverse stepped portion of the display module 620 is illustrated.

The display module 620 may include a polarizer 612 , a display module 613 , a protective layer 650 , and a flexible printed circuit board 660 .

According to an embodiment, a portion of the display module 620 includes a polarization layer 612 stacked thereon, and includes the polarization layer 612 and a protective layer 650 disposed along a portion of an edge of the polarization layer 612. can do.

According to an embodiment, the polarization layer 612 may prevent reflection of external light to improve panel visibility in a place where external light is strong, such as outdoors. The polarization layer 612 may be formed of a polyethylene terephthalate (PET) film or a tri-acetyl cellulose (TAC) film.

According to an embodiment, the display module 620 may include a display panel, and the display panel may be a flexible display panel. A display panel includes a scan line and a data line, a light emitting element (eg, OLED) that generates light based on signals supplied from the scan line and the data line, and a substrate on which the light emitting element is disposed. (eg, a low temperature poly silicon (LTPS) substrate) and a thin film encapsulation (TFE) for protecting the light emitting device.

According to various embodiments, the display module 620 may be formed on a polyamide substrate. An area where the protective layer 650 is disposed may include a conductive line for supplying power and/or signals to the display panel. The protection layer 650 may be a bending protection layer (BPL) for preventing breakage of the display module. The protective layer 650 may be disposed on the bending area of the display panel to prevent the display panel from being broken in the bending area of the display module 620 .

According to one embodiment, the protective layer 650 is widely applied to an area other than the bending area 652 and an actual application area 651 in order to keep the thickness of the protective layer 650 constant in the bending area 652. It can be. This is because, even if a resin forming the protective layer 650 is applied and cured within a short time, the resin may flow freely and the edge region may not maintain a constant thickness. The actual application area 651 may be applied adjacent to the edge of the polarizing plate 612, and the occurrence of a reverse step due to an attachment tolerance may be prevented.

According to various embodiments, the display panel 613 may be cut into a rectangular panel 613a by first laser cutting into a rough shape. Through secondary laser cutting, the display panel 613 may form a final display panel 613b including the connection region 642 in which the protective layer 650 is stacked. In the display panel 613, laser cutting conditions may be different between the area 641 where the polarization layer 612 is stacked and the connection area 642 where the protective layer 650 is stacked. According to an embodiment, the area 641 where the polarization layer 612 is stacked on the display panel 613 is cut along the first path 614a, and the protective layer 650 is formed on the display panel 613. The applied connection area 642 may be cut along the second path 614b. The polarizing plate 612 or the protective layer 650 attached to the display panel 613 is applied, so that the cutting targets of the first path 614a and the second path 614 are different, so that the first path 614a and the second path 614a are separated. Laser cut conditions of the two paths 614b may be set to be different from each other.

According to various embodiments, the intersection point 615 of the first path 614a and the second path 614b is located at a distance from the bending area 652 of the display panel 613 because thermal stress is greatly applied and it is difficult to manage the cut surface. It may be located adjacent to the disposition position of the filling member.

According to an embodiment, the display panel 613 and the polarization layer 612 cut by the first path 614a may have a reverse step portion 645 due to an attachment tolerance. The area 646 where the protective layer 650 is formed on the display panel 613 cut by the second path 614b is the reverse step portion 645 formed between the polarization layer 612 and the display panel 613. can be filled

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Referring to FIG. 6B , a final shape after secondary cutting of the display module 620 may be shown. According to an embodiment, the display module 620 includes a region 641 where the polarizers stacked on the display panel 613 are stacked and a connection region 642 formed by extending from a portion of one edge of the stacked polarizers 612. can include

The display module 620 minimizes the BM of the panel and bends the connection area 642 including the extended wiring area of the panel for robust design of the DD I, and a display driving circuit on the bent connection area 642. can be placed. A flexible printed circuit board 660 attached to an end of the bent connection region 642 may be included.

According to an embodiment, the protective layer 650 is applied to areas other than the bending area 652 and to the actual application areas 651a and 651b in order to keep the thickness of the protective layer 650 constant in the bending area 652. It can be spread widely.

According to one embodiment, the protective layer 650 may be applied to maintain a constant thickness in the bending area 652 of the display panel. The protective layer 650 is applied to a constant thickness in the bending area 652 and is bent at a constant radius in the bending area 652, so that rigidity in the bending area 652 can be maintained constant. Since the polarization layer 612 is formed to have relatively high rigidity, it may be disposed only in a planar region. When the polarization layer 612 is disposed on a part of the bending area 652, rigidity is increased and the bending radius is increased, so that a large BM can be formed. Considering the attachment tolerance, the polarization layer 612 may be positioned inside the display panel 613 than the cut surface of the final display 613b. The polarization layer 612 and the display panel 613 may include a reverse step portion 645 .

According to one embodiment, the actual application areas 651a and 651b may be formed to maintain the thickness of the bending area 652 . The first actual application area 651a may be formed adjacent to a portion of one side of the polarizer 612 to fill the reverse step portion 645 in the area 646 where the protective layer is formed. In the region where the filling member is disposed, there is a reverse step portion 645, so it is difficult to fill the filling member, and waterproof performance may deteriorate. According to various embodiments, even if the reverse step portion 645 is removed by extending the area 646 where the protective layer is formed, the adhesive force at the interface between the polarizer 612 and the protective layer 650 is low to completely block moisture. It can be difficult.

7A, 7B, 8A, and 8B are diagrams illustrating an arrangement of a lead wire and a position of a filling member in a display module according to an exemplary embodiment.

Referring to FIGS. 7A and 7B , a case in which the display panel 713 is not cut in a stepped shape and the intersection point is in an area where the filling member is disposed is illustrated.

According to various embodiments, the display panel 713 may include an active area 720 and a pad portion 730 . The active area 720 may be an area where pixels of the display panel 713 exist and transfer information to the outside, and the pad part 730 may be an area where a lead connected to the active area 720 is disposed.

According to another embodiment, not only the area where the display panel 713 and the polarizer 712 overlap, but also the area where the polarizer 712 is not stacked so that the cutting can proceed to the bending area. Since the existing area can be kept wide, there can be room in the arrangement of the conductive wire 715 extending from the active area 720 . Although the pad part 730 on which the conducting wire is disposed may be widely disposed, according to an exemplary embodiment, the polarizer 712 is placed on the display panel 713 in consideration of the attachment tolerance (dt) to be larger than the boundary of the display panel 713. can be formed on the inside. When the display panel 713 is cut along the cutting path 714, it may include a reverse step portion 745. Since the reverse step portion 745 is included on both sides of the filling member 740, a protective layer may be additionally applied to remove the reverse step difference.

Referring to FIG. 7B , a cross-sectional view taken along line BB′ of FIG. 7A is shown. According to an embodiment, a reverse step may occur between the display panel 713, the polarizer 712, and the adhesive member 711. When a reverse step occurs, even if the reverse step 745 is removed by placing the filling member 740, the separation of each layer can occur at the interface even by the protective layer 750, so that moisture can completely flow in. can be difficult to block.

Referring to FIGS. 8A and 8B , a case in which the display panel 813 is cut in a stepped shape and the filling member 840 is disposed at an intersection point away from a bending area is illustrated.

According to various embodiments, the display panel 813 may include an active area 820 and a pad portion 830 . The active area 820 may be an area where pixels of the display panel 813 exist and emit light to the outside to transfer information, and the pad part 830 may be an area where a lead connected to the active area 820 is disposed. can

According to another embodiment, the laser cutting is performed along the first path 851 to the area where the display panel 813 and the polarizer 812 overlap, and the intensity of the laser is adjusted around the filling member arrangement area 840 to remove the laser. Additional cutting may be performed along path 2 852 . The display panel 813 may be cut in a stepwise fashion in the region where the intersection point 850 is formed.

According to various embodiments, the first path 851 passes through the display panel 813 and the polarizer 812 so that a reverse step 845 is not formed from the area where the filling member 840 is disposed to the curved area 890b. can be cut together. The first path 851 may be formed on a portion of the curved area 890b and a flat area 890a adjacent to the curved area 890b. In the display module 800, a reverse step may not occur up to the position where the filling member 840 is disposed, and thus, waterproof performance may be improved. According to various embodiments, the second path 852 may start from the inside of the plane area 890a from the filling member 840 . The second path 852 cuts an area not including the polarizer 812, and thus, laser conditions may be set differently from those of the first path 851.

According to an embodiment, the display panel 813 may be cut in a stepped shape so that a reverse step does not occur in the display panel 813 formed as a curved area 890b based on the filling member 840 . According to an embodiment, when the display panel 812 is cut in a stepped shape, the pad portion 830 formed at the edge of the active region 820 may also be formed in a stepped shape. The pad part 830 formed in a stepped shape may have a different distance from the active region 820 to the cutting boundary 813a of the display panel 813 based on the filling member 840 .

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According to an embodiment, the conductive wire 815 connected to the active region 820 may be disposed on the pad part 830 . Through step-shaped cutting, the width of the pad part 830 located in the direction of the curved area 890b with respect to the filling member 840 may be narrow. The pad part 830 located inside the flat area 890a based on the filling member 840 may have a width similar to that of the pad part 730 of FIG. 7A .

According to an embodiment, the number of conductive wires 815 connected to the active area 820 in the pad part 830 located in the direction of the curved area 890b with respect to the filling member 840 is small, so that the filling member 840 is formed. As a reference, a stepped design in which the BM increases as one moves inward from the curved area 890b is possible.

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According to an embodiment, a boundary between the display panel 813 and the polarizer 812 located on the side of the curved area 890b with respect to the filling member 840 may coincide with the cut boundary surface 813a. Since the display panel 813 and the polarizer 812 located on the side of the curved area 890b are cut together by the first cutting path 851, even when the polarizer 812 tilts, a reverse step occurs. may not

According to an embodiment, the boundary between the display panel 813 and the polarizer 812 disposed in the region 840 where the filling member 840 is located may coincide with the cut boundary plane 813a, and the boundary plane may have a reverse step difference. may not occur. Since a reverse step does not occur between the display panel 813 and the polarizer 812, the corresponding portion is filled by the filling member 840, and waterproof performance can be secured.

According to various embodiments, an area cut from the area 840 where the filling member 840 is located to the inside where the plane area 890a is located is the cut boundary surface of the display panel 813 and the edge of the polarizer 812. do not coincide, and a reverse step portion 845 may be formed. According to an exemplary embodiment, the filling member 8450 may prevent moisture from flowing into the reverse step portion 845 even when moisture flows from the curved area 890b. When the reverse step portion 845 (eg, the reverse step portion 745 of FIG. 7B) is formed, the reverse step can be removed with a protective layer (eg, the protective layer 750 of FIG. 7B), but the protective layer 750 Separation may occur at the contact surface of the polarizer 812 and may be vulnerable to waterproofing, but the filling member 840 blocks moisture where the reverse step portion 845 exists, so there is concern about the peeling of the protective layer 750 can reduce

According to various embodiments, the filling member 840 may include a first waterproof member (eg, the first waterproof member 341 of FIG. 3A) and a second waterproof member (eg, the second waterproof member 342 of FIG. 3A) and By combining them to form a closed loop, the inner space may be sealed.

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Referring to FIG. 8B , a reverse step may not be generated between the display panel 813 and the polarizer 812 and the adhesive member 811 . Since a reverse step does not occur, it is not necessary to separately apply a protective layer, and moisture inflow due to lifting occurring at an interface formed between the protective layer and each layer of the display panel 812 can be prevented.

According to various embodiments, since a reverse step does not occur at the interface between the display panel 813 and the polarizer 812 located from the area where the filling member 840 is located to the curved area 890b, even if exposed to moisture, Waterproof performance can be secured.

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9 is a perspective view of a display module according to one embodiment.

Referring to FIG. 9 , a display module 920 may include a display panel 913 and a polarizer 913 . The polarizer 912 may be disposed on the flat portion 920a of the display panel 913, and the protective layer 950 may be disposed on the connection area 920b of the display panel 913. The connection area 920b may be formed to extend from a portion of one edge of the flat portion 920a. The connection region 920b may be maintained as a flat surface at a portion extending from the flat portion 920a and may be formed into a curved surface. The protective layer 950 may be disposed adjacent to a portion of one edge of the polarizer 920a.

According to various embodiments, the filling member 943 may be disposed on a portion of cut surfaces of the display panel 913 and the polarizer 912 . In the cut surfaces of the display panel 913 and the polarizer 912, a reverse step may be generated between the protective layer 950 and the filling member 943, and the other cut surfaces of the display panel 913 and the polarizer 912 may have a reverse step. It can be formed by cutting so that it does not occur.

According to various embodiments, the waterproof member attached to the rear surface of the display panel 913 and the waterproof member attached to the rear surface of the transparent member of the electronic device combine with the filling member 943 to form a closed loop and waterproof the internal space. can do. The display panel 913 and the polarization layer 912 existing outside the waterproof member and the filling member 943 of the electronic device may have a structure without a reverse step.

According to various embodiments, the interface between the protective layer 950 and the protective layer 950 is separated by removing a reverse step between the polarizer 912 and some of the display panels 913 positioned outside the area waterproofed by the waterproof member and the filling member 943. This can reduce the risk of deterioration of waterproof performance.

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As described above, the electronic device (electronic device 300 of FIG. 3A) according to various embodiments includes a first plate (eg, the transparent plate 310 of FIG. 3A) facing a first direction, A housing including a second plate directed in a second direction opposite to the first plate, and a side member (eg, the side member 330 of FIG. 3A) surrounding a space between the first plate and the second plate. 1 A planar area including an active area that emits light toward the plate (eg, area 641 in FIG. 6A), and a connection area extending from at least a part of one edge of the planar area (eg, the connection area in FIG. 6A). region 642), a display panel disposed between the first plate and the side plate (display panel 613 in FIG. 6A), and a polarizer disposed on the plane region (eg, a polarizer in FIG. 6A ( 612)), and a filling member (for example, the filling member 740 of FIG. 7 ) spaced apart from the connection area and disposed at one edge of the plane area, and one edge of the plane area includes the filling member A cut surface bent in a stair shape may be included in the disposed area, and a portion of the cut surface may include a shape in which a boundary between the display panel and the polarizer coincides.

In various embodiments, the cutting surface includes a first cutting surface in which the boundary of the display panel and the boundary of the polarizing plate coincide, and a second cutting plane in which the boundary of the display panel and the boundary of the polarizing plate form a reverse step, and 2 cutting surfaces may be formed between the connection area and the filling member.

In various embodiments, a first waterproof member (eg, the first waterproof member 341 of FIG. 3A) disposed between the first plate and the side member, and an edge of a surface facing the second plate of the display panel. A second waterproofing member (eg, the second waterproofing member 342 of FIG. 3A) extending along may be included.

In various embodiments, the filling member may be combined with the first waterproof member and the second waterproof member to seal the space.

In various embodiments, a protective layer (eg, the protective layer 650 of FIG. 6A) disposed on the connection region may be further included.

In various embodiments, a flexible printed circuit board (FPCB) (eg, the flexible printed circuit board 660 of FIG. 6A ) connected to one end of the connection region may be further included.

In various embodiments, the connection region may be bent with a predetermined curvature such that rear surfaces of the flexible printed circuit board and the active region face each other.

In various embodiments, the flexible printed circuit board and the active region may be electrically connected by various conductive patterns formed in the connection region (eg, the conductive line 815 of FIG. 8A ).

In various embodiments, a protective layer (eg, the protective layer 650 of FIG. 6A ) applied to the connection region may be included to protect the various conductive patterns.

In various embodiments, the cutting plane is cut along a first path (eg, first path 851 in FIG. 8A ) along an edge of the polarizer and the planar region to form a first cutting plane, and the first path It may be formed by cutting along a second path (eg, the second path 852 of FIG. 8A ) including the connection region at one point of .

In various embodiments, an intersection of the first path and the second path (eg, intersection 850 in FIG. 8A ) may be spaced apart from the connection area.

In various embodiments, the intersection may be formed around the filling member.

In various embodiments, the connection area may be formed of a polyimide material.

In various embodiments, the protective layer may be applied to a predetermined thickness in a bent region of the connection region.

A display module according to various embodiments (eg, the display module 800 of FIG. 8A ) includes an active area (eg, the active area 820 of FIG. 8A ) emitting light (eg, the area of FIG. 6A ( 641)) and a connection area (eg, connection area 642 of FIG. 6A) extending from at least a portion of one edge of the plane area (eg, display panel 813 of FIG. 8A, the connection A display driving circuit disposed in the area, a polarizer disposed on the plane area (eg, polarizer 830 in FIG. 8A), a protective layer disposed on the connection area (eg, 650 in FIG. 6A), and the connection area and a filling member (for example, the filling member 943 of FIG. 9) disposed at one edge of the flat area, and one edge of the flat area where the filling member is disposed is bent in a step shape. A cut surface may be included, and a portion of the cut surface may have a shape in which a boundary between the display panel and the polarizer coincides.

In various embodiments, a flexible printed circuit board (FPCB) connected to one end of the connection region may be further included.

In various embodiments, the connection region may be bent with a predetermined curvature such that rear surfaces of the flexible printed circuit board and the active region face each other.

In various embodiments, the flexible printed circuit board and the active region may be electrically connected by various conductive patterns formed in the connection region.

In various embodiments, the protective layer may be applied to protect the various conductive patterns.

In various embodiments, the cutting plane is cut along a first path (eg, second path 851 in FIG. 8A ) along an edge of the polarizer and the active region, and at a point of the first path the protection It may be formed by cutting along a second path (eg, the second path 852 of FIG. 8A ) along the layer and the connection area.

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Meanwhile, in the detailed description of the present disclosure, specific embodiments have been described, but various modifications are possible without departing from the scope of the present disclosure. Therefore, the scope of the present disclosure should not be limited to the described embodiments and should not be defined by the scope of the claims described below as well as those equivalent to the scope of these claims.

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300: electronic device
310: transparent plate
320, 620: display module
340: waterproof member
612: polarizer
613: display panel
650: protective layer
660: connection area
740, 840, 943: filling member

Claims (20)

a housing including a first plate directed in a first direction, a second plate directed in a second direction opposite to the first direction, and a side member surrounding a space between the first plate and the second plate; and
A planar area including an active area emitting light toward the first plate, and a connection area extending from at least a portion of an edge of the planar area, disposed between the first plate and the second plate. a display panel;
a polarizing plate disposed on the plane area; and
A filling member spaced apart from the connection area and disposed at the one edge of the plane area; includes,
One edge of the flat area includes a cut surface bent in a step shape in an area where the filling member is disposed, and a portion of the cut surface includes a shape in which a boundary between the display panel and the polarizer coincides with the electronic device.
According to claim 1,
The cutting plane includes a first cutting plane in which the boundary of the display panel and the boundary of the polarizing plate coincide, and a second cutting plane in which the boundary of the display panel and the boundary of the polarizing plate form a reverse step,
The second cut surface is formed between the connection region and the filling member.
According to claim 1,
a first waterproof member disposed between the first plate and the side member; and
An electronic device comprising a second waterproof member extending along an edge of a surface of the display panel facing the second plate.
According to claim 3,
The filling member is coupled to the first waterproof member and the second waterproof member to seal the space.
According to claim 1,
The electronic device further comprising a protective layer disposed on the connection area.
According to claim 1,
The electronic device further comprises a flexible printed circuit board (FPCB) connected to one end of the connection region.
According to claim 6,
The electronic device of claim 1 , wherein the connection region is bent with a predetermined curvature such that rear surfaces of the flexible printed circuit board and the active region face each other.
According to claim 7,
The electronic device of claim 1 , wherein the flexible printed circuit board and the active region are electrically connected by various conductive patterns formed in the connection region.
◈Claim 9 was abandoned when the registration fee was paid.◈ According to claim 8,
An electronic device comprising a protective layer applied to the connection area to protect the various conductive patterns.
According to claim 1,
The cutting surface is cut along a first path along the edge of the polarizer and the plane region to form a first cutting surface, and is formed by being cut along a second path including the connection area at a point of the first path electronic device.
◈Claim 11 was abandoned when the registration fee was paid.◈ According to claim 10,
An intersection of the first path and the second path is spaced apart from the connection area.
◈Claim 12 was abandoned when the registration fee was paid.◈ According to claim 11,
The electronic device of claim 1 , wherein the crossing point is formed around the filling member.
◈Claim 13 was abandoned when the registration fee was paid.◈ According to claim 1,
The connection area is formed of a polyimide material, the electronic device.
◈Claim 14 was abandoned when the registration fee was paid.◈ According to claim 5,
The protective layer is applied to a predetermined thickness in a bent region of the connection region.
a display panel including a planar area including an active area that emits light, and a connection area extending from at least a portion of an edge of the planar area;
a display driving circuit disposed in the connection area;
a polarizing plate disposed on the plane area;
a protective layer disposed on the connection area; and
A filling member spaced apart from the connection area and disposed at one edge of the plane area;
One edge of the flat area where the filling member is disposed includes a cut surface bent in a stair shape, and a portion of the cut surface includes a shape in which a boundary between the display panel and the polarizer coincides with the display module.
◈Claim 16 was abandoned when the registration fee was paid.◈ According to claim 15,
Further comprising a flexible printed circuit board (FPCB) connected to one end of the connection region, the display module.
◈Claim 17 was abandoned when the registration fee was paid.◈ According to claim 16,
The display module of claim 1 , wherein the connection region is bent with a predetermined curvature such that rear surfaces of the flexible printed circuit board and the active region face each other.
◈Claim 18 was abandoned when the registration fee was paid.◈ According to claim 17,
The flexible printed circuit board and the active area are electrically connected by various conductive patterns formed in the connection area.
◈Claim 19 was abandoned when the registration fee was paid.◈ According to claim 18,
The protective layer is applied to protect the various conductive patterns of the display module.
◈Claim 20 was abandoned when the registration fee was paid.◈ According to claim 15,
The cut surface is formed by being cut along a first path along edges of the polarizer and the active region, and at a point of the first path along a second path along the protective layer and the connection area.

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