WO2022265287A1 - 표시장치 및 이를 포함하는 전자장치 - Google Patents
표시장치 및 이를 포함하는 전자장치 Download PDFInfo
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- WO2022265287A1 WO2022265287A1 PCT/KR2022/008055 KR2022008055W WO2022265287A1 WO 2022265287 A1 WO2022265287 A1 WO 2022265287A1 KR 2022008055 W KR2022008055 W KR 2022008055W WO 2022265287 A1 WO2022265287 A1 WO 2022265287A1
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- digitizer
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- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H05K9/00—Screening of apparatus or components against electric or magnetic fields
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/10151—Sensor
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- H—ELECTRICITY
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- H10K2102/311—Flexible OLED
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- H—ELECTRICITY
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Definitions
- the present invention relates to a display device and an electronic device including the same, and more particularly, to a foldable display device and an electronic device including the same.
- the display device includes a display area activated according to an electrical signal.
- the display device may sense input applied from the outside through the display area and simultaneously display various images to provide information to the user.
- display devices having various shapes have been developed, display areas having various shapes have been implemented.
- An object of the present invention is to provide a display device with improved sensing sensitivity of a digitizer.
- An object of the present invention is to provide an electronic device including the display device.
- a display device includes a display panel and a lower member.
- the display panel includes a first non-folding area, a second non-folding area, and a folding area disposed between the first non-folding area and the second non-folding area.
- the lower member is disposed below the display panel.
- the lower member overlaps at least the first non-folding region and the second non-folding region and includes an insulating support layer, each of which is disposed below the support layer, and includes a loop coil;
- a first digitizer and a second digitizer overlapping the non-folding area, and a first flexible circuit electrically connected to the first digitizer and the second digitizer, respectively, and disposed below the first digitizer and the second digitizer, respectively.
- a first opening corresponding to the first flexible circuit board and a first opening corresponding to the second flexible circuit board are respectively disposed under the substrate and the second flexible circuit board, and under the first digitizer and under the second digitizer, respectively. It includes a first metal layer and a second metal layer in which two openings are respectively defined.
- the support layer may include a reinforcing fiber composite.
- the support layer is disposed between a first support portion corresponding to the first non-folding region, a second support portion corresponding to the second non-folding region, and between the first and second support portions, and has a plurality of openings. may include a defined folding part.
- the lower member includes a barrier layer overlapping the folding portion, the first support portion, and the second support portion, and coupling the barrier layer to the upper surface of the first support portion and the upper surface of the second support portion, respectively. It may further include a first adhesive layer, a second adhesive layer coupling a lower surface of the first support portion to the first digitizer, and a third adhesive layer coupling a lower surface of the second support portion to the second digitizer.
- the support member may include a cover layer attached to a lower surface of the folding portion and spaced apart from each of the first digitizer and the second digitizer.
- the first adhesive layer may include a first part adhered to the upper surface of the first support part and a second part adhered to the upper surface of the second support part and spaced apart from the first part.
- the lower member may further include a panel protection layer disposed between a lower surface of the display panel and the barrier layer.
- Each of the first metal layer and the second metal layer may include copper.
- the lower member includes a first metal plate disposed below the first metal layer and having a third opening corresponding to the first opening, and a fourth metal plate disposed below the second metal layer and defining a third opening corresponding to the first opening.
- a second metal plate having an opening defined therein may be further included.
- the first metal layer may have greater electrical conductivity than the first metal plate.
- the first metal plate may have a greater thickness and greater strength than the first metal layer.
- the lower member may further include a first heat dissipation layer disposed below the first metal plate and a second heat dissipation layer disposed below the second metal plate.
- a through hole passing through the support layer, the first digitizer, and the first metal layer may be defined in the lower member.
- An electronic device includes a display device including a sensing area through which an optical signal passes and a display area adjacent to the sensing area, disposed below the display device and overlapping the sensing area, and An electro-optical module for receiving a signal may be included.
- the display device may include a display panel overlapping the sensing area and the display area and having a partial area folded based on a folding axis, and a lower member disposed below the display panel.
- the lower member overlaps the sensing area and the display area, and includes a support layer having insulating properties, a first digitizer and a second digitizer disposed below the support layer and spaced apart from each other within the partial area, and the first digitizer and the first digitizer.
- the first metal layer and the second metal layer may include a first metal layer and a second metal layer respectively disposed and defining a first opening corresponding to the first flexible printed circuit board and a second opening corresponding to the second flexible printed circuit board.
- a through hole passing through the support layer, the first digitizer, and the first metal layer may be defined in the lower member.
- the through hole may be aligned with the sensing area, and the electro-optical module may overlap the through hole.
- the electro-optical module may include a camera module.
- the display panel may include a first pixel disposed in the display area and a second pixel disposed in the sensing area.
- a resolution of the display area may be greater than that of the sensing area.
- an occupancy rate of light blocking structures in the sensing area may be lower than an occupancy rate of light blocking structures in the display area.
- the sensing area may include a non-transmissive area in which a light emitting element is disposed and a transmissive area in which a light emitting element is not disposed.
- a circuit board disposed below the first metal layer or the second metal layer and electrically connected to the first flexible printed circuit board and the second flexible printed circuit board may be included.
- the shielding rate of the electromagnetic field of the digitizer is reduced by providing the insulating support layer on the upper side of the digitizer. Accordingly, sensing sensitivity of the digitizer may be improved.
- Layers disposed below the digitizer may have openings to provide a connection passage for the flexible printed circuit board connected to the digitizer.
- the layers disposed below the digitizer include a metal layer, and the metal layer may shield electromagnetic waves generated from an electronic module below the digitizer. Sensing sensitivity of the digitizer, which is not affected by electromagnetic waves, can be improved.
- the metal plate can improve the strength of the lower side of the display device.
- FIG. 1A to 1C are perspective views of an electronic device according to an embodiment of the present invention.
- FIG. 2A is an exploded perspective view of an electronic device according to an embodiment of the present invention.
- 2B is a block diagram of an electronic device according to an embodiment of the present invention.
- 3A is a plan view of a display panel according to an exemplary embodiment of the present invention.
- FIG. 3B is an enlarged plan view of a portion of FIG. 3A.
- FIG. 4 is a cross-sectional view of a display module according to an embodiment of the present invention.
- 5A is a cross-sectional view of a display device according to an exemplary embodiment of the present invention.
- 5B is a cross-sectional view of a display device according to an exemplary embodiment of the present invention.
- 6A is a plan view of a digitizer according to an embodiment of the present invention.
- 6B is a cross-sectional view of a digitizer according to an embodiment of the present invention.
- 6C is a plan view of a metal layer according to an embodiment of the present invention.
- 6D is a plan view of a magnetic shielding sheet disposed in a cutout of a metal layer according to an embodiment of the present invention.
- 6E is a plan view of a metal plate according to an embodiment of the present invention.
- first and second may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.
- FIGS. 1B and 1C are perspective views of an electronic device ED according to an embodiment of the present invention.
- 1A shows an unfolded state
- FIGS. 1B and 1C show a folded state.
- an electronic device ED has a display surface defined by a first direction DR1 and a second direction DR2 intersecting the first direction DR1 ( DS) may be included.
- the electronic device ED may provide the image IM to the user through the display surface DS.
- the display surface DS may include a display area DA and a non-display area NDA around the display area DA.
- the display area DA may display the image IM, and the non-display area NDA may not display the image IM.
- the non-display area NDA may surround the display area DA. However, it is not limited thereto, and the shapes of the display area DA and the non-display area NDA may be modified.
- the display surface DS may include a sensing area TA.
- the sensing area TA may be a partial area of the display area DA.
- the sensing area TA has higher transmittance than other areas of the display area DA.
- other areas of the display area DA except for the sensing area TA may be defined as a general display area.
- An optical signal for example, visible light or infrared light, may move to the sensing area TA.
- the electronic device ED may capture an external image through visible light passing through the sensing area TA or determine the accessibility of an external object through infrared light.
- one sensing area TA is illustrated as an example in FIG. 1A , a plurality of sensing areas TA may be provided without being limited thereto.
- a direction substantially perpendicular to the plane defined by the first and second directions DR1 and DR2 is defined as a third direction DR3.
- the third direction DR3 serves as a criterion for distinguishing the front and rear surfaces of each member.
- "on a plane” may be defined as a state viewed from the third direction DR3.
- the first to third directions DR1 , DR2 , and DR3 refer to the same reference numerals as directions indicated by first to third direction axes, respectively.
- the electronic device ED may include a folding area FA and a plurality of non-folding areas NFA1 and NFA2.
- the non-folding areas NFA1 and NFA2 may include a first non-folding area NFA1 and a second non-folding area NFA2.
- the folding area FA may be disposed between the first non-folding area NFA1 and the second non-folding area NFA2.
- the folding area FA may be folded based on a folding axis FX parallel to the first direction DR1.
- the folding area FA has a predetermined curvature and radius of curvature R1.
- the first non-folding area NFA1 and the second non-folding areas NFA2 face each other, and the electronic device ED may be inner-folded so that the display surface DS is not exposed to the outside. there is.
- the electronic device ED may be out-folded so that the display surface DS is exposed to the outside. In one embodiment of the present invention, the electronic device ED may be configured such that an in-folding or out-folding operation is repeated from an unfolding operation, but is not limited thereto. In one embodiment of the present invention, the electronic device ED may be configured to select any one of an unfolding operation, an in-folding operation, and an out-folding operation.
- the distance between the first non-folding area NFA1 and the second non-folding area NFA2 may be substantially equal to twice the radius of curvature R1 , but not as shown in FIG. 1C .
- the distance between the first non-folding area NFA1 and the second non-folding area NFA2 may be less than twice the radius of curvature R1.
- 2A is an exploded perspective view of an electronic device (ED) according to an embodiment of the present invention.
- 2B is a block diagram of an electronic device (ED) according to an embodiment of the present invention.
- the electronic device ED may include a display device DD, an electronic module EM, an electro-optical module ELM, a power module PSM, and a housing HM. there is. Although not separately shown, the electronic device ED may further include a mechanism structure for controlling a folding operation of the display device DD.
- the display device DD generates an image and detects an external input.
- the display device DD includes a window WM and a display module DM.
- the window WM provides a front surface of the electronic device ED. A detailed description of the window WM will be described later.
- the display module DM may include at least a display panel DP. Although only the display panel DP is shown among the stacked structures of the display module DM in FIG. 2A , the display module DM may further include a plurality of components disposed above the display panel DP. A detailed description of the stacked structure of the display module DM will be described later.
- the display panel DP is not particularly limited and may be, for example, a light emitting display panel such as an organic light emitting display panel or a quantum dot light emitting display panel.
- the display panel DP includes a display area DP-DA and a non-display area DP corresponding to the display area DA (see FIG. 1A) and the non-display area NDA (see FIG. 1A) of the electronic device ED. -NDA).
- regions/parts and regions/parts correspond means overlapping and is not limited to the same area.
- the display panel DP may include a sensing area DP-TA corresponding to the sensing area TA of FIG. 1A.
- the sensing area DP-TA may have a lower resolution than the display area DP-DA. A detailed description of the sensing area DP-TA will be described later.
- the driving chip DIC may be disposed on the non-display area DP-NDA of the display panel DP.
- a flexible printed circuit board (FCB) may be coupled to the non-display area (DP-NDA) of the display panel (DP).
- the flexible circuit board (FCB) may be connected to the main circuit board.
- the main circuit board may be one electronic component constituting the electronic module (EM).
- the driving chip DIC may include driving elements for driving pixels of the display panel DP, for example, a data driving circuit.
- FIG. 2A shows a structure in which the driving chip DIC is mounted on the display panel DP, the present invention is not limited thereto.
- the driving chip DIC may be mounted on the flexible circuit board FCB.
- the display device DD may further include an input sensor IS and a digitizer DTM.
- the input sensor IS senses a user's input.
- the capacitive input sensor IS may be disposed above the display panel DP.
- the digitizer (DTM) detects the input of the stylus pen.
- the electromagnetic induction type digitizer DTM may be disposed below the display panel DP.
- the electronic module (EM) includes a control module 10, a wireless communication module 20, an image input module 30, an audio input module 40, an audio output module 50, a memory 60, and an external interface module ( 70) and the like.
- the electronic module EM may include a main circuit board, and the modules may be mounted on the main circuit board or electrically connected to the main circuit board through a flexible circuit board.
- the electronic module (EM) is electrically connected to the power module (PSM).
- the electronic module EM is disposed in each of the first housing HM1 and the second housing HM2, and the power module PSM is disposed in each of the first housing HM1 and the second housing HM2. can be placed.
- the electronic module EM disposed in the first housing HM1 and the electronic module EM disposed in the second housing HM2 may be electrically connected through a flexible circuit board.
- the control module 10 controls the overall operation of the electronic device ED. For example, the control module 10 activates or deactivates the display device DD according to a user input.
- the control module 10 may control the video input module 30 , the audio input module 40 , the audio output module 50 , and the like according to a user input.
- the control module 10 may include at least one microprocessor.
- the wireless communication module 20 may transmit/receive wireless signals with other terminals using a Bluetooth or Wi-Fi line.
- the wireless communication module 20 may transmit/receive voice signals using a general communication line.
- the wireless communication module 20 may include a plurality of antenna modules.
- the video input module 30 processes the video signal and converts it into video data that can be displayed on the display device DD.
- the audio input module 40 receives an external audio signal through a microphone in a recording mode, a voice recognition mode, and the like, and converts it into electrical voice data.
- the audio output module 50 converts the audio data received from the wireless communication module 20 or the audio data stored in the memory 60 and outputs the converted audio data to the outside.
- the external interface module 70 serves as an interface connected to an external charger, a wired/wireless data port, a card socket (eg, a memory card, a SIM/UIM card), and the like.
- a card socket eg, a memory card, a SIM/UIM card
- the power module PSM supplies power required for overall operation of the electronic device ED.
- the power module (PSM) may include a conventional battery device.
- the electronic optical module may be an electronic component that outputs or receives an optical signal.
- the electro-optical module may include a camera module and/or a proximity sensor. The camera module captures an external image through the sensing area DP-TA.
- the housing HM shown in FIG. 2A is combined with the display device DD, particularly the window WM, to accommodate the other modules.
- the housing HM is illustrated as including first and second housings HM1 and HM2 separated from each other, but is not limited thereto.
- the electronic device ED may further include a hinge structure for connecting the first and second housings HM1 and HM2.
- FIG. 3A is a plan view of a display panel DP according to an exemplary embodiment of the present invention.
- FIG. 3B is an enlarged plan view of a partial area AA′ of FIG. 3A.
- the display panel DP may include a display area DP-DA and a non-display area DP-NDA around the display area DP-DA.
- the display area DP-DA and the non-display area DP-NDA are distinguished by the existence of the pixel PX.
- a pixel PX is disposed in the display area DP-DA.
- a scan driver SDV, data driver, and light emitting driver EDV may be disposed in the non-display area DP-NDA.
- the data driver may be a part of the circuit configured in the driver chip DIC shown in FIG. 3A.
- the display panel DP includes a first area AA1 , a second area AA2 , and a bending area BA divided in the second direction DR2 .
- the second area AA2 and the bending area BA may be partial areas of the non-display area DP-NDA.
- the bending area BA is disposed between the first area AA1 and the second area AA2.
- the first area AA1 is an area corresponding to the display surface DS of FIG. 1A.
- the first area AA1 may include a first non-folding area NFA10, a second non-folding area NFA20, and a folding area FA0.
- the first non-folding area NFA10, the second non-folding area NFA20, and the folding area FA0 are the first non-folding area NFA1, the second non-folding area NFA2, and the folding area FA0 of FIGS. 1A to 1C. Each corresponds to the folding area FA.
- the lengths of the bending area BA and the second area AA2 in the first direction DR1 may be smaller than the length of the first area AA1. A region having a short length in the direction of the bending axis can be bent more easily.
- the display panel DP includes a plurality of pixels PX, a plurality of scan lines SL1 to SLm, a plurality of data lines DL1 to DLn, a plurality of emission lines EL1 to ELm, first and second It may include second control lines CSL1 and CSL2, a power line PL, and a plurality of pads PD.
- m and n are natural numbers.
- the pixels PX may be connected to scan lines SL1 to SLm, data lines DL1 to DLn, and emission lines EL1 to ELm.
- the scan lines SL1 to SLm may extend in the first direction DR1 and be connected to the scan driver SDV.
- the data lines DL1 to DLn extend in the second direction DR2 and may be connected to the driving chip DIC via the bending area BA.
- the light emitting lines EL1 to ELm may extend in the first direction DR1 and be connected to the light emitting driver EDV.
- the power line PL may include a portion extending in the second direction DR2 and a portion extending in the first direction DR1.
- the portion extending in the first direction DR1 and the portion extending in the second direction DR2 may be disposed on different layers.
- a portion of the power line PL extending in the second direction DR2 may extend to the second area AA2 via the bending area BA.
- the power line PL may provide a first voltage to the pixels PX.
- the first control line CSL1 is connected to the scan driver SDV and may extend toward the lower end of the second area AA2 via the bending area BA.
- the second control line CSL2 is connected to the light emitting driver EDV and may extend toward the lower end of the second area AA2 via the bending area BA.
- the pads PD may be disposed adjacent to the lower end of the second area AA2 .
- the driving chip DIC, the power line PL, the first control line CSL1 , and the second control line CSL2 may be connected to the pads PD.
- the flexible printed circuit board FCB may be electrically connected to the pads PD through an anisotropic conductive adhesive layer.
- the sensing area DP-TA may have a higher light transmittance than the display area DP-DA and a lower resolution. Light transmittance and resolution are measured within a reference area.
- the sensing area DP-TA has a smaller occupancy rate of the light blocking structure within the reference area than the display area DP-DA.
- the light blocking structure may include a conductive pattern of a circuit layer, an electrode of a light emitting device, a light blocking pattern, and the like, which will be described later.
- the sensing area DP-TA has a lower resolution within the reference area than the display area DP-DA. A smaller number of pixels is disposed in the sensing area DP-TA within a reference area (or the same area) as that of the display area DP-DA.
- the first pixel PX1 may be disposed in the display area DP-DA, and the second pixel PX2 may be disposed in the sensing area DP-TA.
- the first pixel PX1 and the second pixel PX2 may have different emission areas.
- the first pixel PX1 and the second pixel PX2 may have different arrangements.
- light emitting areas LA of the first pixel PX1 and the second pixel PX2 are shown representing the first pixel PX1 and the second pixel PX2 .
- Each of the light emitting regions LA may be defined as an area where an anode of a light emitting device is exposed from the pixel defining layer.
- a non-emissive area NLA is disposed between the light emitting areas LA in the display area DP-DA.
- the first pixel PX1 may include a first color pixel PX1 -R, a second color pixel PX1 -G, and a third color pixel PX1 -B
- the second pixel PX2 is A first color pixel PX2 -R, a second color pixel PX2 -G, and a third color pixel PX2 -B may be included.
- Each of the first pixel PX1 and the second pixel PX2 may include a red pixel, a green pixel, and a blue pixel.
- the sensing area DP-TA may include a pixel area PA, a wiring area BL, and a transmission area BT.
- the second pixel PX2 is disposed in the pixel area PA. Although it is illustrated that two first color pixels PX2-R, four second color pixels PX2-G, and two third color pixels PX2-B are disposed in one pixel area PA, , but not limited thereto.
- a conductive pattern, a signal line, or a light blocking pattern related to the second pixel PX2 is disposed in the pixel area PA and the wiring area BL.
- the light blocking pattern may be a metal pattern and may substantially overlap the pixel area PA and the wiring area BL.
- the pixel area PA and the wiring area BL may be non-transmissive areas.
- the transmission region BT is a region through which an optical signal substantially passes. Since the second pixel PX2 is not disposed in the transmission region BT, a conductive pattern, a signal line, or a light blocking pattern is not disposed. Therefore, the transmission area BT increases the light transmittance of the sensing area DP-TA.
- FIG. 4 is a cross-sectional view of a display module DM according to an embodiment of the present invention.
- the display module DM may include a display panel DP, an input sensor IS, and an antireflection layer ARL.
- the display panel DP may include a base layer 110 , a circuit layer 120 , a light emitting device layer 130 , and an encapsulation layer 140 .
- the base layer 110 may provide a base surface on which the circuit layer 120 is disposed.
- the base layer 110 may be a flexible substrate capable of being bent, folded, or rolled.
- the base layer 110 may be a glass substrate, a metal substrate, or a polymer substrate.
- embodiments of the present invention are not limited thereto, and the base layer 110 may be an inorganic layer, an organic layer, or a composite material layer.
- the base layer 110 may have a multilayer structure.
- the base layer 110 may include a first synthetic resin layer, a multilayer or single inorganic layer, and a second synthetic resin layer disposed on the multilayer or single inorganic layer.
- Each of the first and second synthetic resin layers may include a polyimide-based resin, and is not particularly limited.
- the circuit layer 120 may be disposed on the base layer 110 .
- the circuit layer 120 may include an insulating layer, a semiconductor pattern, a conductive pattern, and a signal line.
- the light emitting device layer 130 may be disposed on the circuit layer 120 .
- the light emitting device layer 130 may include a light emitting device.
- the light emitting device may include an organic light emitting material, an inorganic light emitting material, an organic-inorganic light emitting material, a quantum dot, a quantum rod, a micro LED, or a nano LED.
- the encapsulation layer 140 may be disposed on the light emitting device layer 130 .
- the encapsulation layer 140 may protect the light emitting device layer 130 from foreign substances such as moisture, oxygen, and dust particles.
- the encapsulation layer 140 may include at least one inorganic layer.
- the encapsulation layer 140 may include a laminated structure of an inorganic layer/organic layer/inorganic layer.
- the input sensor IS may be directly disposed on the display panel DP.
- the display panel DP and the input sensor IS may be formed through a continuous process.
- directly disposed may mean that a third component is not disposed between the input sensor IS and the display panel DP. That is, a separate adhesive layer may not be disposed between the input sensor IS and the display panel DP.
- the anti-reflection layer ARL may be directly disposed on the input sensor IS.
- the anti-reflection layer ARL may reduce reflectance of external light incident from the outside of the display device DD.
- the anti-reflection layer ARL may include color filters.
- the color filters may have a predetermined arrangement. For example, the color filters may be arranged in consideration of emission colors of pixels included in the display panel DP.
- the antireflection layer 300 may further include a black matrix adjacent to the color filters.
- positions of the input sensor IS and the anti-reflection layer ARL may be interchanged.
- the anti-reflection layer (ARL) may be replaced with a polarizing film.
- the polarizing film may be coupled to the input sensor IS through an adhesive layer.
- 5A is a cross-sectional view of a display device DD according to an exemplary embodiment.
- 5B is a cross-sectional view of a display device DD according to an exemplary embodiment.
- FIG. 5A shows an unfolded state in which the display module DM is not bent.
- FIG. 5A shows a state in which the bending area (BA, see FIG. 3A) of the display module DM is bent.
- FIGS. 5A and 5B the areas dividing the display module DM are shown based on the display panel DP of FIG. 3A .
- the display device DD includes a window WM, an upper member UM, a display module DM, and a lower member LM.
- the upper member UM collectively refers to a component disposed between the window WM and the display module DM
- the lower member LM collectively refers to a component disposed below the display module DM.
- the window WM may include a thin glass substrate UTG, a window protection layer PF disposed on the thin glass substrate UTG, and a bezel pattern BP disposed on a lower surface of the window protection layer PF.
- the window protective layer PF may include a synthetic resin film.
- the window WM may include an adhesive layer AL1 (hereinafter referred to as a first adhesive layer) that bonds the window protection layer PF and the thin glass substrate UTG.
- the bezel pattern BP overlaps the non-display area NDA shown in FIG. 1A.
- the bezel pattern BP may be disposed on one surface of the thin glass substrate UTG or one surface of the window protection layer PF.
- 5B shows the bezel pattern BP disposed on the lower surface of the window protection layer PF as an example. Without being limited thereto, the bezel pattern BP may be disposed on the upper surface of the window protection layer PF.
- the bezel pattern BP may be formed as a colored light-blocking film, for example, by a coating method.
- the bezel pattern BP may include a base material and a dye or pigment mixed with the base material.
- the thickness of the thin glass substrate (UTG) may be 15 ⁇ m to 45 ⁇ m.
- the thin glass substrate (UTG) may be chemically strengthened glass. Even if folding and unfolding of the thin glass substrate (UTG) are repeated, wrinkles can be minimized.
- a thickness of the window protective layer PF may be 50 ⁇ m to 80 ⁇ m.
- the synthetic resin film of the window protection layer (PF) is polyimide, polycarbonate, polyamide, triacetylcellulose, or polymethylmethacrylate, or polyethylene tere It may contain polyethylene terephthalate.
- at least one of a hard coating layer, an anti-fingerprint layer, and an anti-reflection layer may be disposed on the upper surface of the window protection layer PF.
- the first adhesive layer AL1 may be a pressure sensitive adhesive film (PSA) or an optically clear adhesive (OCA). Adhesive layers described below may also include the same adhesive as the first adhesive layer AL1.
- PSA pressure sensitive adhesive film
- OCA optically clear adhesive
- the first adhesive layer AL1 may be separated from the thin glass substrate UTG. Since the strength of the window protection layer PF is lower than that of the thin glass substrate UTG, scratches may occur relatively easily. After separating the first adhesive layer AL1 and the window protection layer PF, a new window protection layer PF may be attached to the thin glass substrate UTG.
- the edge of the thin glass substrate UTG may non-overlap the bezel pattern BP.
- the edge of the thin glass substrate UTG is exposed from the bezel pattern BP, and fine cracks generated at the edge of the thin glass substrate UTG can be inspected by the inspection device.
- the upper member UM includes an upper film DL.
- the upper film DL may include a synthetic resin film.
- Synthetic resin film includes polyimide, polycarbonate, polyamide, triacetylcellulose, or polymethylmethacrylate, or polyethylene terephthalate can do.
- the upper film DL may absorb an external shock applied to the front surface of the display device DD.
- the display module DM described with reference to FIG. 4 may include an anti-reflection layer ARL that replaces the polarizing film, and as a result, front impact strength of the display device DD may be reduced.
- the upper film DL may compensate for reduced impact strength by applying the anti-reflection layer ARL.
- the upper film DL may be omitted.
- the upper member UM may include a second adhesive layer AL2 coupling the upper film DL and the window WM and a third adhesive layer AL3 coupling the upper film DL and the display module DM. there is.
- the lower member LM includes a panel protection layer (PPL), a barrier layer (BRL), a support layer (PLT), a cover layer (SCV), a digitizer (DTM), a metal layer (ML), a metal plate (MP), and a heat dissipation layer (HRP). ) and fourth to tenth adhesive layers AL4 to AL10.
- the fourth to tenth adhesive layers AL2 to AL10 may include an adhesive such as a pressure-sensitive adhesive or an optically transparent adhesive. In one embodiment of the present invention, some of the above-described components may be omitted. For example, the metal plate MP or the heat dissipation layer HRP and the adhesive layer may be omitted.
- the panel protection layer PPL may be disposed below the display module DM.
- the panel protection layer PPL may protect the lower portion of the display module DM.
- the panel protection layer (PPL) may include a flexible synthetic resin film.
- the panel protection layer (PPL) may include polyethylene terephthalate.
- the panel protection layer PPL may not be disposed in the bending area BA.
- the panel protection layer PPL includes a first panel protection layer PPL- 1 protecting the first area AA1 of the display panel DP (refer to FIG. 3A) and a second panel protection layer protecting the second area AA2.
- a layer (PPL-2) may be included.
- the fourth adhesive layer AL4 couples the panel protection layer PPL and the display panel DP.
- the fourth adhesive layer AL4 includes a first portion AL4-1 corresponding to the first panel protection layer PPL-1 and a second portion AL4-2 corresponding to the second panel protection layer PPL-2. can include
- the second panel protection layer PPL- 2 covers the first area AA1 together with the second area AA2 and the first panel protection layer ( PPL-1) may be disposed below. Since the panel protection layer PPL is not disposed in the bending area BA, the bending area BA can be more easily bent.
- the second panel protection layer PPL- 2 may be attached to the metal plate MP through the eleventh adhesive layer AL11.
- the eleventh adhesive layer AL11 may be omitted.
- an additional component such as an insulating tape may be further disposed between the second panel protection layer PPL- 2 and the metal plate MP.
- the bending area BA has a predetermined curvature and radius of curvature.
- the radius of curvature may be between about 0.1 mm and 0.5 mm.
- the bending protection layer BPL is disposed at least in the bending area BA.
- the bending protection layer BPL may overlap the bending area BA, the first area AA1 and the second area AA2.
- the bending protection layer BPL may be disposed on a portion of the first area AA1 and a portion of the second area AA2.
- the bending protection layer BPL may be bent together with the bending area BA.
- the bending protection layer BPL protects the bending area BA from external impact and controls the neutral plane of the bending area BA.
- the bending protection layer (BPL) controls the stress of the bending area (BA) so that the neutral plane is closer to the signal lines disposed in the bending area (BA).
- the fifth adhesive layer AL5 couples the panel protection layer PPL and the barrier layer BRL.
- the barrier layer BRL may be disposed below the panel protection layer PPL.
- the barrier layer BRL may increase resistance against compressive force due to external pressure. Accordingly, the barrier layer BRL may serve to prevent deformation of the display panel DP.
- the barrier layer BRL may include a flexible plastic material such as polyimide or polyethylene terephthalate.
- the barrier layer BRL may be a colored film having low light transmittance.
- the barrier layer BRL may absorb light incident from the outside.
- the barrier layer BRL may be a black synthetic resin film.
- the sixth adhesive layer AL6 couples the barrier layer BRL and the support layer PLT.
- the sixth adhesive layer AL6 may include a first portion AL6 - 1 and a second portion AL6 - 2 spaced apart from each other.
- the distance D6 or gap between the first part AL6 - 1 and the second part AL6 - 2 corresponds to the width of the folding area FA0 and is larger than a gap GP described later.
- the distance D6 between the first part AL6 - 1 and the second part AL6 - 2 may be 7 mm to 15 mm, preferably 9 mm to 13 mm.
- the first part AL6 - 1 and the second part AL6 - 2 are defined as different parts of one adhesive layer, but are not limited thereto.
- the first portion AL6-1 is defined as one adhesive layer (eg, the first adhesive layer or the second adhesive layer)
- the second portion AL6-2 is defined as another adhesive layer (eg, the second adhesive layer or the third adhesive layer). ) can also be defined. All of the above-described definitions may be applied to the adhesive layers including the sixth adhesive layer AL6 as well as two of the adhesive layers to be described later.
- the support layer PLT is disposed below the barrier layer BRL.
- the support layer PLT supports components disposed on the upper side of the support layer and maintains the unfolded and folded states of the display device DD.
- the support layer PLT has greater strength than the barrier layer BRL.
- the support layer PLT includes at least a first support portion PLT- 1 corresponding to the first non-folding area NFA10 and a second support portion PLT- 2 corresponding to the second non-folding area NFA20. .
- the first support part PLT-1 and the second support part PLT-2 are spaced apart from each other in the second direction DR2.
- the support layer PLT corresponds to the folding area FA0 and is disposed between the first support portion PLT-1 and the second support portion PLT-2, and has a plurality of openings OP.
- a defined folding part (PLT-F) may be included.
- the plurality of openings OP may be arranged such that the folding area FA0 has a lattice shape on a plane.
- the first support part PLT-1, the second support part PLT-2, and the folding part PLT-F may have an integral shape or may be integrally formed to form a single unit.
- the folding portion PLT-F is a central area of the barrier layer BRL opened from the first supporting portion PLT-1 and the second supporting portion PLT-2 during the folding operation shown in FIGS. 1B and 1C. Foreign matter can be prevented from penetrating.
- the flexibility of the folding portion PLT-F is improved by the plurality of openings OP.
- the sixth adhesive layer AL6 is not disposed on the folding portion PLT-F, flexibility of the support layer PLT may be improved.
- the folding portion PLT-F may be omitted.
- the support layer PLT includes a first support portion PLT-1 and a second support portion PLT-2 that are spaced apart from each other.
- the support layer PLT may be selected from a material capable of transmitting an electromagnetic field generated by the digitizer DTM described later without loss or with minimal loss.
- the support layer PLT may include a non-metal material.
- the support layer PLT may include a reinforcing fiber composite material.
- the support layer PLT may include reinforcing fibers disposed inside the matrix unit.
- the reinforcing fibers may be carbon fibers or glass fibers.
- the matrix part may include a polymer resin.
- the matrix part may include a thermoplastic resin.
- the matrix part may include a polyamide-based resin or a polypropylene-based resin.
- the reinforced fiber composite material may be carbon fiber reinforced plastic (CFRP) or glass fiber reinforced plastic (GFRP).
- a cover layer SCV and a digitizer DTM are disposed below the support layer PLT.
- a cover layer SCV is disposed to overlap the folding area FA0.
- the digitizer DTM may include a first digitizer DTM-1 and a second digitizer DTM-2 overlapping the first and second support parts PLT-1 and PLT-2, respectively. .
- a portion of each of the first digitizer DTM-1 and the second digitizer DTM-2 may be disposed below the cover layer SCV.
- the seventh adhesive layer AL7 couples the support layer PLT and the digitizer DTM
- the eighth adhesive layer AL8 couples the cover layer SCV and the support layer PLT.
- the seventh adhesive layer AL7 is the first portion AL7-1 coupling the first support portion PLT-1 and the first digitizer DTM-1, the second support portion PLT-2, and the second digitizer. It may include a second part (AL7-2) combining (DTM-2).
- the cover layer SCV may be disposed between the first part AL7 - 1 and the second part AL7 - 2 in the second direction DR2 .
- the cover layer SCV may be spaced apart from the digitizer DTM to prevent interference with the digitizer DTM in an unfolded state.
- a sum of the thicknesses of the cover layer SCV and the eighth adhesive layer AL8 may be smaller than the thickness of the seventh adhesive layer AL7.
- the cover layer SCV may cover the openings OP of the folding portion PLT-F.
- the cover layer SCV may have a lower modulus of elasticity than the support layer PLT.
- the cover layer SCV may include thermoplastic polyurethane, rubber, or silicone, but is not limited thereto.
- the digitizer also referred to as an EMR sensing panel, includes a plurality of loop coils that generate a magnetic field of a preset resonant frequency with the electronic pen.
- the magnetic field formed by the loop coil is applied to an LC resonance circuit composed of an inductor (coil) and a capacitor of the electronic pen.
- the coil generates current by the received magnetic field, and transfers the generated current to the capacitor. Accordingly, the capacitor charges the current input from the coil and discharges the charged current to the coil.
- a magnetic field at a resonant frequency is emitted from the coil.
- the magnetic field emitted by the electronic pen may be absorbed again by the loop coil of the digitizer, and accordingly, it is possible to determine which position of the touch screen the electronic pen is close to.
- the first digitizer DTM-1 and the second digitizer DTM-2 are spaced apart from each other by a predetermined gap GP.
- the gap GP may be 0.3 mm to 3 mm, and may be arranged to correspond to the folding area FA0. A detailed description of the digitizer (DTM) will be described later.
- a metal layer ML is disposed under the digitizer DTM.
- the metal layer ML may include a first metal layer ML1 and a second metal layer ML2 overlapping the first and second support portions PLT- 1 and PLT- 2 , respectively.
- the metal layer ML may emit heat generated when the digitizer DTM is driven to the outside.
- the metal layer ML transfers heat generated from the digitizer DTM to the lower side.
- the metal layer ML may have higher electrical conductivity and thermal conductivity than that of the metal plate described later.
- the metal layer ML may include copper or aluminum.
- the metal layer ML having relatively high electrical conductivity may block electromagnetic waves generated from an electronic module (EM, see FIG. 2A) disposed below from affecting the digitizer DTM as noise.
- EM electronic module
- the ninth adhesive layer AL9 couples the digitizer DTM and the metal layer ML.
- the ninth adhesive layer AL9 may include a first part AL9 - 1 and a second part AL9 - 2 corresponding to the first metal layer ML1 and the second metal layer ML2 .
- a metal plate MP is disposed below the metal layer ML.
- the metal plate MP may include a first metal plate MP1 and a second metal plate MP2 overlapping the first metal layer ML1 and the second metal layer ML2 , respectively.
- the metal plate MP may absorb an external impact applied from a lower side.
- the metal plate MP may have greater strength and greater thickness than the metal layer ML.
- the metal plate MP may include a metal material such as stainless steel.
- the tenth adhesive layer AL10 couples the metal layer ML and the metal plate MP.
- the tenth adhesive layer AL10 may include a first part AL10 - 1 and a second part AL10 - 2 corresponding to the first metal plate MP1 and the second metal plate MP2 .
- a heat dissipation layer HRP may be disposed below the metal plate MP.
- the heat dissipation layer HRP may include a first heat dissipation layer HRP1 and a second heat dissipation layer HRP2 overlapping the first metal plate MP1 and the second metal plate MP2 , respectively.
- the heat dissipation layer (HRP) dissipates heat generated from electronic components disposed on the lower side.
- the electronic components may be electronic modules (EM) shown in FIGS. 2A and 2B.
- the heat dissipation layer (HRP) may have a structure in which an adhesive layer and a graphite layer are alternately laminated. An outermost adhesive layer may be attached to the metal plate MP.
- a magnetic field shielding sheet is disposed below the metal plate (MP).
- the magnetic field shielding sheet (MSM) shields a magnetic field generated from a magnetic body (not shown) disposed on the lower side.
- the magnetic field shielding sheet (MSM) can prevent the magnetic field generated from the magnetic material from interfering with the digitizer (DTM).
- the magnetic shielding sheet (MSM) includes a plurality of parts. At least some of the plurality of parts may have different thicknesses. A plurality of parts may be disposed to correspond to a level difference of a bracket (not shown) disposed below the display device DD.
- the magnetic shielding sheet (MSM) may have a structure in which magnetic shielding layers and adhesive layers are alternately laminated. A portion of the magnetic field shielding sheet MSM may be directly attached to the metal plate MP.
- a through hole LTH may be formed in some members of the lower member LM.
- the through hole LTH is disposed to overlap the sensing area DP-TA of FIG. 2A. As shown in FIG. 5A , the through hole LTH may penetrate from the fifth adhesive layer AL5 to the metal plate MP.
- the through hole LTH is the same as when the light blocking structure is removed from the path of the optical signal, and the through hole LTH can improve the optical signal receiving efficiency of the electro-optical module ELM.
- 6A is a plan view of a digitizer (DTM) according to an embodiment of the present invention.
- 6B is a cross-sectional view of a digitizer (DTM) according to an embodiment of the present invention.
- 6C is a plan view of the metal layer ML according to an exemplary embodiment.
- 6D is a plan view of a magnetic field shielding sheet (MLM) disposed in the cutouts (ML-C1, ML-C2) of the metal layer (ML) according to an embodiment of the present invention.
- 6E is a plan view of a metal plate MP according to an embodiment of the present invention.
- 6A, 6C to 6E are illustrated based on a state in which the display device DD of FIG. 5A is turned upside down.
- the digitizer DTM may include a first digitizer DTM-1 and a second digitizer DTM-2 spaced apart from each other.
- the first flexible printed circuit board FCB1 and the second flexible printed circuit board FCB2 may be electrically connected to the first digitizer DTM-1 and the second digitizer DTM-2, respectively.
- the first flexible circuit board FCB1 and the second flexible circuit board FCB2 may electrically connect the first digitizer DTM-1 and the second digitizer DTM-2 to the main circuit board, respectively.
- Each of the first digitizer DTM- 1 and the second digitizer DTM- 2 may include a plurality of first loop coils and a plurality of second loop coils.
- the first loop coils may be referred to as drive coils, and the second loop coils may be referred to as sense coils.
- a plurality of first loop coils and a plurality of second loop coils may be disposed on different layers.
- FIG. 6B shows a cross section of the first digitizer DTM-1 disposed in the same state as the display device DD shown in FIG. 5A.
- the stack structure of the first digitizer DTM-1 and the second digitizer DTM-2 may be the same.
- the first digitizer DTM-1 is formed on the base layer D-BL, the first loop coils 510 disposed on one surface of the base layer D-BL, and the other surface of the base layer D-BL. It includes disposed second loop coils 520 .
- the base layer D-BL may include a synthetic resin film, for example, a polyimide film.
- the first loop coils 510 and the second loop coils 520 may include metal, and may include gold (Au), silver (Ag), copper (Cu), or aluminum (Al).
- a protective layer to protect the first loop coils 510 and the second loop coils 520 may be disposed on one surface and the other surface of the base layer D-BL.
- the first protective layer PL-D1 may be disposed on the first loop coils 510 and adhered to one surface of the base layer D-BL through the first adhesive layer AL-D1.
- the second protective layer PL-D2 may be disposed on the second loop coils 520 and adhered to the other surface of the base layer D-BL through the second adhesive layer AL-D2.
- the protective layer may include a synthetic resin film, for example, a polyimide film.
- the supporting layer PLT has insulating properties, electromagnetic fields generated from the first loop coils 510 or the second loop coils 520 may pass through the supporting layer PLT.
- the digitizer DTM disposed below the support layer PLT may detect an external input.
- An electromagnetic shielding layer MML may be disposed below the second passivation layer PL-D2.
- the electromagnetic shielding layer MML may block electromagnetic waves generated from an electronic module (EM, see FIG. 2A) disposed on the lower side from affecting the digitizer DTM as noise.
- the electromagnetic shielding layer MML may be attached to the second passivation layer PL-D2 through the third adhesive layer AL-D3.
- the electromagnetic shielding layer (MML) may include a metal powder layer (MMP, magnetic metal powder). In one embodiment of the present invention, the electromagnetic shielding layer (MML) may be omitted.
- an opening corresponding to the through hole LTH of FIG. 5A may be defined in the first digitizer DTM- 1 .
- the first flexible circuit board FCB1 is coupled to the pad region DTM1-P of the first digitizer DTM-1, and the second flexible circuit board is coupled to the pad region DTM2-P of the second digitizer DTM-2.
- the substrate FCB2 is coupled.
- the corresponding flexible printed circuit boards FCB1 and FCB2 and the pad regions DTM1-P and DTM2-P may be electrically coupled through the anisotropic conductive adhesive layer.
- the pad area DTM1-P of the first digitizer DTM-1 is an area where the ends of the first loop coils and the second loop coils are aligned or signal lines connected to the first loop coils and the second loop coils. It can be defined as a region with aligned ends.
- the pad area DTM2-P of the second digitizer DTM-2 is also a region where the ends of the first loop coils and the second loop coils are aligned or signal lines connected to the first loop coils and the second loop coils. It can be defined as a region with aligned ends.
- the first metal layer ML1 is disposed on the first digitizer DTM-1
- the second metal layer ML2 is disposed on the second digitizer DTM-2.
- An opening ML-OP1 exposing the first flexible printed circuit board FCB1 is defined in the first metal layer ML1.
- the opening ML-OP1 corresponds to a passage for connecting the first flexible printed circuit board FCB1 to the main circuit board.
- An opening ML-OP2 exposing the second flexible printed circuit board FCB2 is defined in the second metal layer ML2.
- Cutouts ML-C1 and ML-C2 may be defined in each of the first metal layer ML1 and the second metal layer ML2 .
- a first magnetic field shielding sheet MSM1 is disposed in the cutout ML-C1 of the first metal layer ML1, and is disposed in the cutout ML-C2 of the second metal layer ML2.
- a second magnetic field shielding sheet MSM2 is disposed.
- the first magnetic field shielding sheet MSM1 is attached to the first digitizer DTM-1
- the second magnetic field shielding sheet MSM2 is attached to the second digitizer DTM-2.
- the first metal plate MP1 is disposed on the first metal layer ML1, and the second metal plate MP2 is disposed on the second metal layer ML2.
- An opening MP-OP1 corresponding to an opening ML-OP1 (see FIG. 6D ) of the first metal layer ML1 is defined in the first metal plate MP1 .
- An opening MP-OP2 corresponding to the opening (ML-OP2, see FIG. 6D) of the second metal layer ML2 is defined in the second metal plate MP2.
- a cutout MP-C1 corresponding to the cutout (ML-C1, see FIG. 6D ) of the first metal layer ML1 is defined in the first metal plate MP1.
- a cutout MP-C2 corresponding to the cutout (ML-C2, see FIG. 6D) of the second metal layer ML2 is defined in the second metal plate MP2.
- An opening corresponding to the through hole LTH may be defined in the first metal plate MP1 .
- a third magnetic field shielding sheet MSM3 to a sixth magnetic field shielding sheet MSM6 are attached on the first metal plate MP1, and a seventh magnetic field shielding sheet MSM7 and an eighth magnetic field shielding sheet are attached on the second metal plate MP2.
- a sheet MSM8 is attached.
- the edges of the digitizer DTM, the metal layer ML, the metal plate MP, and the adhesive layers AL9 and AL10 disposed therebetween are aligned in most areas. .
- the digitizer DTM, the metal layer ML, and the metal in all regions except for regions corresponding to the cutout ML-C1 of the first metal layer ML1 and the cutout ML-C2 of the second metal layer ML2.
- the outer edges of the plate MP and the adhesive layers AL9 and AL10 disposed therebetween are aligned.
- the laminated structure may be cut using a laser. Thereafter, the cut laminated structure may be attached to the support layer PLT of FIGS. 5A and 5B.
- the present invention is highly likely to be applied to a foldable display device.
- a user's satisfaction with the foldable display may be improved by improving sensing sensitivity of a digitizer applied to the foldable display.
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Abstract
Description
Claims (22)
- 제1 비폴딩영역, 제2 비폴딩영역, 및 상기 제1 비폴딩영역과 상기 제2 비폴딩영역 사이에 배치된 폴딩영역을 포함하는 표시패널; 및상기 표시패널의 하측에 배치된 하측부재를 포함하고, 상기 하측부재는,상기 제1 비폴딩영역 및 상기 제2 비폴딩영역에 중첩하고 절연성을 갖는 지지층;상기 지지층의 하측에 배치되고, 각각이 루프 코일을 포함하고, 상기 제1 비폴딩영역 상기 제2 비폴딩영역에 각각 중첩하는 제1 디지타이저와 제2 디지타이저;상기 제1 디지타이저와 상기 제2 디지타이저에 각각 전기적으로 연결되고, 상기 제1 디지타이저와 상기 제2 디지타이저의 하측에 각각 배치된 제1 연성회로기판 및 제2 연성회로기판;상기 제1 디지타이저의 하측에 배치되고, 상기 제1 연성회로기판에 대응하는 제1 개구부가 정의된 제1 금속층; 및상기 제2 디지타이저의 하측에 배치되고, 상기 제2 연성회로기판에 대응하는 제2 개구부가 정의된 제2 금속층을 포함하는 표시장치.
- 제1 항에 있어서,상기 지지층은 강화 섬유 복합재를 포함하는 표시장치.
- 제1 항에 있어서,상기 지지층은 상기 제1 비폴딩영역에 대응하는 제1 지지부분, 상기 제2 비폴딩영역에 대응하는 제2 지지부분 및 상기 제1 지지부분과 상기 제2 지지부분 사이에 배치되며, 복수 개의 개구부가 정의된 폴딩부분을 포함하는 표시장치.
- 제3 항에 있어서,상기 하측부재는,상기 폴딩부분, 상기 제1 지지부분, 및 상기 제2 지지부분에 중첩하는 배리어층;상기 배리어층을 상기 제1 지지부분의 상면 및 상기 제2 지지부분의 상면에 결합하는 제1 접착층;상기 제1 지지부분의 하면을 상기 제1 디지타이저에 결합하는 제2 접착층; 및상기 제2 지지부분의 하면을 상기 제2 디지타이저에 결합하는 제3 접착층을 더 포함하는 표시장치.
- 제4 항에 있어서,상기 지지부재는 상기 폴딩부분의 하면에 부착되고, 상기 제1 디지타이저 및 상기 제2 디지타이저로부터 이격된 커버층을 포함하는 표시장치.
- 제4 항에 있어서,제1 접착층은 상기 제1 지지부분의 상면에 접착된 제1 부분 및 상기 제2 지지부분의 상면에 접착되고 상기 제1 부분과 이격된 제2 부분을 포함하는 표시장치.
- 제4 항에 있어서,상기 하측부재는, 상기 표시패널의 하면과 상기 배리어층 사이에 배치된 패널 보호층을 더 포함하는 표시장치.
- 제1 항에 있어서,상기 제1 금속층 및 상기 제2 금속층 각각은 구리를 포함하는 표시장치.
- 제1 항에 있어서,상기 하측부재는, 상기 제1 금속층의 하측에 배치되고 상기 제1 개구부에 대응하는 제3 개구부가 정의된 제1 금속 플레이트 및 상기 제2 금속층의 하측에 배치되고 상기 제2 개구부에 대응하는 제4 개구부가 정의된 제2 금속 플레이트를 더 포함하는 표시장치.
- 제9 항에 있어서,상기 제1 금속층은 상기 제1 금속 플레이트보다 큰 전기 전도성을 갖는 표시장치.
- 제9 항에 있어서,상기 제1 금속 플레이트는 상기 제1 금속층보다 큰 두께를 갖고, 큰 강도를 갖는 표시장치.
- 제9 항에 있어서,상기 하측부재는, 상기 제1 금속 플레이트의 하측에 배치된 제1 방열층 및 상기 제2 금속 플레이트의 하측에 배치된 제2 방열층을 더 포함하는 표시장치.
- 제1 항에 있어서,상기 하측부재에는 상기 지지층, 상기 제1 디지타이저, 및 상기 제1 금속층을 관통하는 관통홀이 정의된 표시장치.
- 광 신호가 통과하는 센싱 영역 및 상기 센싱 영역에 인접한 표시 영역을 포함하는 표시장치; 및상기 표시장치의 하측에 배치되고, 상기 센싱 영역에 중첩하며, 상기 광 신호를 수신하는 전자광학모듈을 포함하고상기 표시장치는,상기 센싱 영역 및 상기 표시 영역에 중첩하고, 일부 영역이 폴딩축을 기준으로 폴딩되는 표시패널; 및상기 표시패널의 하측에 배치된 하측부재를 포함하고, 상기 하측부재는,상기 센싱 영역 및 상기 표시 영역에 중첩하고, 절연성을 갖는 지지층;상기 지지층의 하측에 배치되고, 상기 일부 영역 내에서 서로 이격된 제1 디지타이저와 제2 디지타이저;상기 제1 디지타이저와 상기 제2 디지타이저에 각각 전기적으로 연결되고, 상기 제1 디지타이저와 상기 제2 디지타이저의 하측에 각각 배치된 제1 연성회로기판 및 제2 연성회로기판;상기 제1 디지타이저의 하측 및 상기 제2 디지타이저의 하측에 각각 배치되고, 상기 제1 연성회로기판에 대응하는 제1 개구부 및 상기 제2 연성회로기판에 대응하는 제2 개구부가 각각 정의된 제1 금속층 및 제2 금속층을 포함하는 전자장치.
- 제14 항에 있어서,상기 하측부재에는 상기 지지층, 상기 제1 디지타이저, 및 상기 제1 금속층을 관통하는 관통홀이 정의된 전자장치.
- 제15 항에 있어서,상기 관통홀은 상기 센싱 영역에 정렬되고, 상기 전자광학모듈은 상기 관통홀에 중첩하는 전자장치.
- 제14 항에 있어서,상기 전자광학모듈은 카메라 모듈을 포함하는 전자장치.
- 제14 항에 있어서,상기 표시패널은 상기 표시 영역에 배치된 제1 화소 및 상기 센싱 영역에 배치된 제2 화소를 포함하는 전자장치.
- 제18 항에 있어서,상기 표시 영역의 해상도는 상기 센싱 영역의 해상도보다 큰 전자장치.
- 제18 항에 있어서,기준 면적 내에서, 상기 센싱 영역 내 차광 구조물의 점유 비율은 상기 표시 영역 내 차광 구조물의 점유 비율보다 낮은 전자장치.
- 제14 항에 있어서,상기 센싱 영역은 발광소자가 배치된 비-투과영역 및 발광소자가 미-배치된 투과영역을 포함하는 전자장치.
- 제14 항에 있어서,상기 제1 금속층 또는 상기 제2 금속층의 하측에 배치되고, 상기 제1 연성회로기판 및 상기 제2 연성회로기판에 전기적으로 연결된 회로기판을 포함하는 전자장치.
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EP22825213.6A EP4357890A1 (en) | 2021-06-14 | 2022-06-08 | Display device and electronic device comprising same |
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US11570911B2 (en) * | 2020-08-20 | 2023-01-31 | Samsung Display Co., Ltd. | Display device |
KR20230036642A (ko) * | 2021-09-07 | 2023-03-15 | 삼성디스플레이 주식회사 | 디지타이저를 포함한 전자 장치 |
WO2024181762A1 (ko) * | 2023-02-27 | 2024-09-06 | 삼성전자 주식회사 | 디스플레이 모듈 및 이를 포함하는 전자 장치 |
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US20230305669A1 (en) | 2023-09-28 |
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CN217821939U (zh) | 2022-11-15 |
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