WO2022265329A1 - 표시 장치 및 이를 포함하는 전자 장치 - Google Patents
표시 장치 및 이를 포함하는 전자 장치 Download PDFInfo
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- WO2022265329A1 WO2022265329A1 PCT/KR2022/008327 KR2022008327W WO2022265329A1 WO 2022265329 A1 WO2022265329 A1 WO 2022265329A1 KR 2022008327 W KR2022008327 W KR 2022008327W WO 2022265329 A1 WO2022265329 A1 WO 2022265329A1
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- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0054—Casings specially adapted for display applications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Definitions
- the present invention relates to a display device and an electronic device including the same, and more particularly, to a display device capable of improving durability and waterproof characteristics.
- the display device includes an active area activated according to an electrical signal.
- the display device may sense input applied from the outside through the active area and simultaneously display various images to provide information to the user.
- active areas having various shapes have been implemented.
- An object of the present invention is to provide a display device capable of improving durability and waterproof characteristics and an electronic device including the same.
- a display device includes a display panel including 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; and and a lower member disposed below the display panel, wherein the lower member is disposed below the display panel and includes a first support portion overlapping the first non-folding area and a second supporting portion overlapping the second non-folding area.
- a support portion a support layer including a folding portion overlapping the folding area and defining a plurality of openings, a digitizer disposed under the support layer and corresponding to the first support portion and the second support portion, the support layer and a cover layer disposed between the digitizers and attached below the folding portion; and a lower adhesive layer disposed between the support layer and the digitizer and disposed below the first support portion and the second support portion.
- a thickness of the lower adhesive layer may be greater than a thickness of the cover layer.
- the thickness of the lower adhesive layer may be 15 micrometers or more and 25 micrometers or less, and the thickness of the cover layer may be 10 micrometers or more and 20 micrometers or less.
- the cover layer may include at least one of thermoplastic polyurethane (TPU), rubber, and silicon.
- TPU thermoplastic polyurethane
- the first supporting part, the folding part, and the second supporting part are sequentially arranged along a first direction, and a first width of the folding part in the first direction is a width of the cover layer in the first direction. It may be smaller than the second width of 0.5 mm or more and 3 mm or less.
- the digitizer includes a first digitizer having a first sensing area corresponding to the first support part and a second sensing area corresponding to the second support part and spaced apart from the first digitizer.
- a digitizer may be included.
- the lower adhesive layer includes a first lower adhesive layer contacting the lower surface of the first support part and the upper surface of the first digitizer, and a second lower adhesive layer contacting the lower surface of the second support part and the upper surface of the second digitizer. can do.
- the digitizer may include a base layer and a plurality of coils disposed on one surface of the base layer, and the lower adhesive layer may cover a curve formed on an upper surface of the digitizer by the plurality of coils.
- the supporting layer may include a non-metallic material.
- the cover layer may contact a lower surface of the folding portion and be spaced apart from the digitizer.
- the lower member may further include an electromagnetic shielding layer disposed below the digitizer, a lower metal plate disposed below the electromagnetic shielding layer, and a heat dissipation layer disposed below the lower metal plate.
- the lower metal plate includes a first lower metal plate corresponding to the first support portion and a second lower metal plate corresponding to the second support portion, the first lower metal plate and the second lower metal plate may be spaced apart from each other.
- the display device may further include a sensor layer directly disposed on the display panel and an antireflection layer directly disposed on the sensor layer.
- the antireflection layer may include a plurality of color filters and a split layer disposed between the plurality of color filters.
- the display panel includes a display area including a first area and a second area adjacent to the first area, and a peripheral area adjacent to the display area, wherein the first area has a relatively higher light transmittance than the second area.
- the lower member includes a barrier layer disposed under the display panel, a first adhesive portion attaching the barrier layer and the first support portion, and attaching the panel protection layer and the second support portion, and the first adhesive portion It may further include a second adhesive portion spaced apart from the first adhesive portion, and a separation distance between the first adhesive portion and the second adhesive portion may be greater than a separation distance between the first support portion and the second support portion.
- a display device includes a display panel including 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; and a lower member disposed under the display panel, wherein the lower member includes a support layer disposed under the display panel, a digitizer disposed under the support layer and corresponding to the first support portion and the second support portion; It includes a lower adhesive layer contacting the lower surface of the support layer and the upper surface of the digitizer, and a cover layer contacting the lower surface of the support layer and non-overlapping with the lower adhesive layer on a plane.
- An electronic device includes a signal transmission area through which an optical signal passes, a display area adjacent to the signal transmission area, and a non-display area adjacent to the display area, wherein the signal transmission area includes a light emitting element.
- a display device including an overlapping element region and a transmissive region in which light emitting elements do not overlap, and an electronic module disposed below the display device and overlapping the signal transmission region.
- the display device includes a display panel including 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, and a display panel disposed below the display panel.
- the lower member is disposed under the display panel, and includes a first support portion overlapping the first non-folding area, a second support portion overlapping the second non-folding area, and the folding area.
- a support layer overlapping and including a folding portion in which a plurality of openings are defined, a digitizer disposed below the support layer and corresponding to the first support portion and the second support portion, and disposed between the support layer and the digitizer, and a cover layer attached under the folding portion, and a lower adhesive layer disposed between the support layer and the digitizer and disposed under the first support portion and the second support portion.
- the display device may further include a window, and the window may include a base film and a bezel pattern overlapping the peripheral area.
- the electronic module may include a camera module.
- the cover layer for preventing foreign substances is attached only to the folding portion, and the lower adhesive layer for attaching the support plate and the digitizer directly attaches the support plate and the digitizer without intervening other components
- the thickness of the adhesive layer can be designed to be thick. Accordingly, the adhesive strength of the lower adhesive layer may be improved, and the curve formed by the coil of the digitizer may be covered, and thus durability and waterproof characteristics of the display device may be improved.
- FIG. 1A to 1C are perspective views of an electronic device according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of an electronic device according to an embodiment of the present invention.
- FIG. 3 is a block diagram of an electronic device according to an embodiment of the present invention.
- FIG. 4 is a cross-sectional view of a display module according to an embodiment of the present invention.
- FIG. 5 is a cross-sectional view showing some configurations of a display module according to an embodiment of the present invention.
- 6A is a plan view of a display panel according to an exemplary embodiment of the present invention.
- 6B is an enlarged plan view of a partial area of a display panel according to an exemplary embodiment of the present invention.
- 6C is a plan view illustrating an enlarged portion of a display panel according to an exemplary embodiment of the present invention.
- FIG. 7A is a cross-sectional view of a display device according to an exemplary embodiment of the present invention.
- FIG. 7B is a cross-sectional view of a display device according to an exemplary embodiment of the present invention.
- 7c and 7d are cross-sectional views of a portion of a display device according to an exemplary embodiment.
- FIG. 8 is a cross-sectional view of a lower member according to an embodiment of the present invention.
- 9A is a plan view of a digitizer according to an embodiment of the present invention.
- 9B is a plan view of a sensing area of a digitizer according to an embodiment of the present invention.
- 9C is a cross-sectional view of a sensing area of a digitizer according to an embodiment of the present invention.
- 9D is a cross-sectional view of a portion of a digitizer and a lower adhesive layer 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.
- directly disposed may mean that there is no added layer, film, region, plate, etc. between a portion of the layer, film, region, plate, etc., and another portion.
- directly disposed may mean disposing without using an additional member such as an adhesive member between two layers or two members.
- FIGS. 1B and 1C are perspective views of an electronic device ED according to an embodiment of the present invention.
- FIG. 1A illustrates a state in which the electronic device ED is unfolded
- FIGS. 1B and 1C illustrate a state in which the electronic device ED is folded.
- 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 shape of the display area DA and the shape of the non-display area NDA may be modified.
- the display surface DS may further include a signal transmission area TA.
- the signal transmission area TA may be a partial area of the display area DA or a partial area of the non-display area NDA. As shown in FIG. 1A , the signal transmission area TA may be a part of the display area DA.
- the signal transmission area TA has higher transmittance than the display area DA and the non-display area NDA. Natural light, visible light, or infrared light may move to the signal transmission area TA.
- the electronic device ED may further include a camera module that captures an external image through visible light passing through the signal transmission area TA or a sensor module that determines the accessibility of an external object through infrared light.
- the signal transmission area TA is not spaced apart from the non-display area NDA and may extend from the non-display area NDA.
- a plurality of signal transmission areas TA may be provided.
- the signal transmission area TA may include a plurality of transmission areas TA1 and TA2 through which different types of light are transmitted.
- a direction substantially perpendicular to the plane defined by the first and second directions DR1 and DR2 is defined as a third direction DR3.
- "on a plane” may be defined as a state viewed from the third direction DR3.
- 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 first non-folding area NFA1 and the second non-folding area NFA2 are spaced apart from each other in the second direction DR2, and the folding area FA is the first non-folding area It may be disposed between (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 the same as the radius of curvature R1, but as shown in FIG. A distance between the first non-folding area NFA1 and the second non-folding area NFA2 may be smaller than the radius of curvature R1.
- the case (EDC, see FIG. 2 ) constituting the external appearance of the electronic device ED is omitted.
- the case EDC in a folded state, the case EDC may contact end areas of the first non-folding area NFA1 and the second non-folding area NFA2.
- FIGS. 1A to 1C illustrate that the electronic device ED includes two non-folding areas NFA1 and NFA2 and one folding area FA arranged therebetween, but is not limited thereto.
- the electronic device ED may be folded a plurality of times including a plurality of folding areas.
- FIG. 2 is an exploded perspective view of an electronic device ED according to an embodiment of the present invention.
- 3 is a block diagram of an electronic device (ED) according to an embodiment of the present invention.
- 4 is a cross-sectional view of a display module DM according to an embodiment of the present invention.
- FIG. 4 shows a cross section corresponding to the line II' of FIG. 2 .
- the electronic device ED may include a display device DD, a control module EM, a power module PSM, an electronic module ELM, and a case EDC.
- the power module PSM 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 module WM and a display module DM.
- the window module WM provides a front surface of the electronic device ED.
- the display module DM may include at least a display panel DP. 2 shows only the display panel DP among the stacked structures of the display module DM, the display module DM may further include a plurality of components disposed above and below the display panel DP. . A detailed description of the stacked structure of the display module DM will be described later.
- the display panel DP has a display area DP-DA and a non-display area DP-NDA corresponding to the display area DA (see FIG. 1A) and the non-display area NDA (see FIG. 1A) of the electronic device ED. ).
- regions/parts and regions/parts correspond means overlapping and is not limited to the same area.
- the display module DM may include a driving chip DIC disposed on the non-display area DP-NDA.
- the display module DM may further include a printed circuit board (PCB) coupled to the non-display area DP-NDA.
- PCB printed circuit board
- the display panel DP may further include a signal transmission area DP-TA.
- the signal transmission area DP-TA may be an opening or may be a lower resolution area than the display area DP-DA. As a result, the signal transmission area DP-TA has higher transmittance than the display area DP-DA and the non-display area DP-NDA.
- the signal transmission area DP-TA of the display panel DP may be an area corresponding to the signal transmission area TA (see FIG. 1A ) of the electronic device ED.
- the signal transmission area DP-TA includes a first signal transmission area DP-TA1 corresponding to the camera module CM to be described later and a second signal transmission area DP-TA2 corresponding to the sensor module SM to be described later. can include
- the driving chip DIC may include driving elements for driving pixels of the display panel DP, for example, a data driving circuit.
- 2 illustrates 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 a printed circuit board (PCB).
- the control module EM includes at least the main controller 10 .
- the control module (EM) includes a main controller 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 modules may be mounted on a printed circuit board (PCB) or electrically connected to the printed circuit board (PCB) through a flexible circuit board.
- the control module EM may be electrically connected to the power module PSM.
- the main controller 10 controls the overall operation of the electronic device ED. For example, the main controller 10 activates or deactivates the display device DD according to a user input.
- the main controller 10 may control the video input module 30 , the audio input module 40 , the audio output module 50 , and the like based on a user input.
- the main controller 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 includes a transmitting circuit 22 that modulates and transmits a signal to be transmitted, and a receiving circuit 24 that demodulates a received signal.
- 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 case EDC accommodates the display module DM, the control module EM, the power module PSM, and the electronic module ELM.
- the case EDC is illustrated as including two cases EDC1 and EDC2 separated from each other, but is not limited thereto.
- the electronic device ED may further include a hinge structure for connecting the two cases EDC1 and EDC2.
- the case EDC may be combined with the window module WM.
- the case EDC protects components accommodated in the case EDC, such as the display module DM, the control module EM, the power module PSM, and the electronic module ELM.
- the electronic module ELM may be an electronic component that outputs or receives an optical signal.
- the electronic module ELM transmits or receives an optical signal through a partial area of the electronic device ED corresponding to the signal transmission area TA (see FIG. 1A).
- the electronic module (ELM) may include a camera module (CM).
- the camera module CM may capture an external image by receiving a natural light signal through the first signal transmission area DP-TA1.
- the electronic module (ELM) may include a sensor module (SM) such as a proximity sensor or an ultraviolet light emitting sensor.
- the sensor module SM may recognize a part of the user's body (eg, a fingerprint, iris, or face) through the second signal transmission area DP-TA2 or may measure a distance between an object and a mobile phone.
- the electronic module ELM is disposed below the display device DD.
- the electronic module ELM is disposed to correspond to the signal transmission area TA (see FIG. 1A) of the electronic device ED. That is, the electronic module ELM overlaps the signal transmission area DP-TA of the display panel DP.
- the signal transmission area DP-TA of the display panel DP may be an area having higher light transmittance than other areas of the display panel DP.
- the display module DM includes a display panel DP, an input sensor IS disposed on the display panel DP, an anti-reflection layer LF disposed on the input sensor IS, and a display A lower member LM disposed below the panel DP may be included.
- An adhesive layer may be disposed between the members, if necessary.
- the display panel DP may include a base layer, a circuit element layer disposed on the base layer, a display element layer disposed on the circuit element layer, and a thin film encapsulation layer disposed on the display element layer.
- the base layer may include a plastic film.
- the base layer may include polyimide.
- a planar shape of the base layer may be substantially the same as a planar shape of the display panel DP shown in FIG. 6A to be described later.
- the circuit element layer may include an organic layer, an inorganic layer, a semiconductor pattern, a conductive pattern, and a signal line.
- An organic layer, an inorganic layer, a semiconductor layer, and a conductive layer may be formed on the base layer by methods such as coating and deposition. Thereafter, the organic layer, the inorganic layer, the semiconductor layer, and the conductive layer may be selectively patterned through a plurality of photolithography processes to form a semiconductor pattern, a conductive pattern, and a signal line.
- the semiconductor pattern, the conductive pattern, and the signal line include the pixel driving circuit and the signal lines SL1 to SLm, DL1 to DLn, EL1 to ELm, CSL1, CSL2, and PL of the pixels PX shown in FIG. 6A to be described later.
- the pixel driving circuit may include at least one transistor.
- the display element layer includes light emitting elements of the pixels PX shown in FIG. 6A to be described later.
- a light emitting element is electrically connected to the at least one transistor.
- a thin film encapsulation layer may be disposed on the circuit element layer to seal the display element layer.
- the thin film encapsulation layer may include an inorganic layer, an organic layer, and an inorganic layer sequentially stacked.
- the laminated structure of the thin film encapsulation layer is not particularly limited.
- the input sensor IS includes a plurality of sensing electrodes (not shown) for detecting an external input, trace lines (not shown) connected to the plurality of sensing electrodes, and a plurality of sensing electrodes or trace lines. It may include an inorganic layer and/or an organic layer for insulating/protecting them.
- the input sensor IS may be a capacitive sensor, but is not particularly limited.
- the input sensor IS may be directly formed on the thin film encapsulation layer through a continuous process when manufacturing the display panel DP. However, it is not limited thereto, and the input sensor IS may be manufactured as a separate panel from the display panel DP and attached to the display panel DP by an adhesive layer.
- the anti-reflection layer LF may reduce reflectance of external light.
- the anti-reflection layer LF may include a phase retarder and/or a polarizer.
- the anti-reflection layer LF may include at least a polarizing film.
- the anti-reflection layer LF may include color filters. Color filters may have a predetermined arrangement. The color filters may be arranged in consideration of the emission colors of the pixels included in the display panel DP.
- the anti-reflection layer LF may further include a division layer adjacent to the color filters.
- the lower member LM may include various functional members.
- the lower member LM includes a light blocking layer that blocks light incident on the display panel DP, a shock absorbing layer that absorbs external impact, a support layer that supports the display panel DP, and a light generated from the display panel DP. It may include a heat dissipation layer that dissipates heat.
- the laminated structure of the lower member LM is not particularly limited.
- FIG. 5 is a cross-sectional view showing some configurations of a display module DM according to an embodiment of the present invention.
- components corresponding to one pixel of the display panel DP, the input sensor IS, and the antireflection layer LF of the display module DM shown in FIG. 4 are shown in more detail.
- S-TFT silicon transistor
- O-TFT oxide transistor
- LD light emitting device
- PC pixel circuit
- At least one of the plurality of transistors included in the pixel circuit PC may be an oxide transistor (O-TFT), and the remaining transistors may be silicon transistors (S-TFT).
- the buffer layer BFL may be disposed on the base layer BL.
- the buffer layer BFL may prevent diffusion of metal atoms or impurities from the base layer BL to the upper first semiconductor pattern SP1.
- the first semiconductor pattern SP1 includes the active region AC1 of the silicon transistor S-TFT.
- the buffer layer BFL may control a heat supply rate during a crystallization process for forming the first semiconductor pattern SP1 so that the first semiconductor pattern SP1 is uniformly formed.
- a first back metal layer BMLa may be disposed below the silicon transistor S-TFT, and a second back metal layer BMLb may be disposed below the oxide transistor O-TFT.
- the first and second back metal layers BMLa and BMLb may be disposed to overlap the pixel circuit PC.
- the first and second rear metal layers BMLa and BMLb may block external light from reaching the pixel circuit PC.
- the first back metal layer BMLa may be disposed to correspond to at least a partial area of the pixel circuit PC.
- the first back metal layer BMLa may be disposed to overlap a driving transistor implemented as a silicon transistor (S-TFT).
- the first back metal layer BMLa may be disposed between the base layer BL and the buffer layer BFL.
- an inorganic barrier layer may be further disposed between the first back metal layer BMLa and the buffer layer BFL.
- the first back metal layer BMLa may be connected to electrodes or wires, and receive a constant voltage or signal from them.
- the first backside metal layer BMLa may be a floating electrode in a form isolated from other electrodes or wires.
- the second back metal layer BMLb may be disposed to correspond to a lower portion of the oxide transistor O-TFT.
- the second back metal layer BMLb may be disposed between the second insulating layer IL2 and the third insulating layer IL3.
- the second back metal layer BMLb may be disposed on the same layer as the second electrode CE20 of the storage capacitor Cst.
- the second back metal layer BMLb may be connected to the contact electrode BML2-C to receive a constant voltage or signal.
- the contact electrode BML2 -C may be disposed on the same layer as the gate GT2 of the oxide transistor O-TFT.
- each of the first back metal layer BMLa and the second back metal layer BMLb may include a reflective metal.
- each of the first back metal layer BMLa and the second back metal layer BMLb may include silver (Ag), an alloy containing silver (Ag), molybdenum (Mo), an alloy containing molybdenum, aluminum (Al), an alloy containing aluminum, aluminum nitride (AlN), tungsten (W), tungsten nitride (WN), copper (Cu), and p+ doped amorphous silicon.
- the first back metal layer BMLa and the second back metal layer BMLb may include the same material or different materials.
- the second back metal layer BMLb may be omitted.
- the first back metal layer BMLa extends to a lower portion of the oxide transistor O-TFT, so that the first back metal layer BMLa blocks light incident on the lower portion of the oxide transistor O-TFT.
- the first semiconductor pattern SP1 may be disposed on the buffer layer BFL.
- the first semiconductor pattern SP1 may include a silicon semiconductor.
- the silicon semiconductor may include amorphous silicon, polycrystalline silicon, and the like.
- the first semiconductor pattern SP1 may include low-temperature polysilicon.
- the first semiconductor pattern SP1 may be further disposed in another area.
- the first semiconductor pattern SP1 may be arranged in a specific rule across pixels.
- the first semiconductor pattern SP1 may have different electrical properties depending on whether it is doped or not.
- the first semiconductor pattern SP1 may include a first region having high conductivity and a second region having low conductivity.
- the first region may be doped with an N-type dopant or a P-type dopant.
- a P-type transistor may include a doped region doped with a P-type dopant, and an N-type transistor may include a doped region doped with an N-type dopant.
- the second region may be a non-doped region or a region doped at a lower concentration than the first region.
- Conductivity of the first region is greater than that of the second region, and the first region may substantially serve as an electrode or a signal line.
- the second region may substantially correspond to an active region (or channel) of the transistor.
- a portion of the first semiconductor pattern SP1 may be an active region of a transistor, another portion may be a source or drain of a transistor, and another portion may be a connection electrode or a connection signal line.
- the source region SE1 (or source), active region AC1 (or channel), and drain region DE1 (or drain) of the silicon transistor S-TFT may be formed from the first semiconductor pattern SP1.
- the source region SE1 and the drain region DE1 may extend in opposite directions from the active region AC1 on a cross section.
- the first insulating layer IL1 may be disposed on the buffer layer BFL.
- the first insulating layer IL1 overlaps a plurality of pixels in common and may cover the first semiconductor pattern SP1.
- the first insulating layer IL1 may be an inorganic layer and/or an organic layer, and may have a single-layer or multi-layer structure.
- the first insulating layer IL1 may include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon nitride, silicon oxynitride, zirconium oxide, and hafnium oxide.
- the first insulating layer IL1 may be a single-layer silicon oxide layer.
- the insulating layers of the first insulating layer IL1 as well as the circuit layers DP-CL to be described below may be inorganic layers and/or organic layers, and may have a single-layer or multi-layer structure.
- the inorganic layer may include at least one of the above materials, but is not limited thereto.
- a gate GT1 of the silicon transistor S-TFT is disposed on the first insulating layer IL1.
- the gate GT1 may be a part of the metal pattern.
- the gate GT1 overlaps the active region AC1.
- the gate GT1 may function as a mask.
- the gate GT1 is titanium (Ti), silver (Ag), an alloy containing silver, molybdenum (Mo), an alloy containing molybdenum, aluminum (Al), an alloy containing aluminum, aluminum nitride ( AlN), tungsten (W), tungsten nitride (WN), copper (Cu), indium tin oxide (ITO), indium zinc oxide (IZO), etc. may be included, but is not particularly limited thereto.
- the second insulating layer IL2 is disposed on the first insulating layer IL1 and may cover the gate GT1.
- the third insulating layer IL3 may be disposed on the second insulating layer IL2.
- the second electrode CE20 of the storage capacitor Cst may be disposed between the second insulating layer IL2 and the third insulating layer IL3 .
- the first electrode CE10 of the storage capacitor Cst may be disposed between the first insulating layer IL1 and the second insulating layer IL2.
- the second semiconductor pattern SP2 may be disposed on the third insulating layer IL3.
- the second semiconductor pattern SP2 may include an active region AC2 of an oxide transistor O-TFT, which will be described later.
- the second semiconductor pattern SP2 may include an oxide semiconductor.
- the second semiconductor pattern SP2 is a transparent conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), indium gallium zinc oxide (IGZO), zinc oxide (ZnO), or indium oxide (In2O3). , TCO).
- the oxide semiconductor may include a plurality of regions classified according to whether or not the transparent conductive oxide is reduced.
- a region in which the transparent conductive oxide is reduced (hereinafter referred to as a reduced region) has higher conductivity than a region in which the transparent conductive oxide is not reduced (hereinafter referred to as a non-reduced region).
- the reduction region substantially serves as a source/drain of a transistor or a signal line.
- the non-reduction region substantially corresponds to the semiconductor region (or active region or channel) of the transistor.
- a portion of the second semiconductor pattern SP2 may be a semiconductor region of a transistor, another portion may be a source/drain region of a transistor, and another portion may be a signal transmission region.
- the source region SE2 (or source), active region AC2 (or channel), and drain region DE2 (or drain) of the oxide transistor O-TFT may be formed from the second semiconductor pattern SP2.
- the source region SE2 and the drain region DE2 may extend in opposite directions from the active region AC2 on a cross section.
- the fourth insulating layer IL4 may be disposed on the third insulating layer IL3. As shown in FIG. 6A , the fourth insulating layer IL4 overlaps the gate GT2 of the oxide transistor O-TFT, and the source region SE2 and drain region DE2 of the oxide transistor O-TFT. ) may be an insulating pattern exposed. As shown in FIG. 5 , the fourth insulating layer IL4 may cover the second semiconductor pattern SP2.
- the gate GT2 of the oxide transistor O-TFT is disposed on the fourth insulating layer IL4.
- a gate GT2 of the oxide transistor O-TFT may be a part of a metal pattern.
- a gate GT2 of the oxide transistor O-TFT overlaps the active region AC2.
- the fifth insulating layer IL5 is disposed on the fourth insulating layer IL4 and may cover the gate GT2.
- the first connection electrode CNE1 may be disposed on the fifth insulating layer IL5.
- the first connection electrode CNE1 is connected to the drain region DE1 of the silicon transistor S-TFT through a contact hole penetrating the first to fifth insulating layers IL1, IL2, IL3, IL4, and IL5. can
- the sixth insulating layer IL6 may be disposed on the fifth insulating layer IL5.
- the second connection electrode CNE2 may be disposed on the sixth insulating layer IL6.
- the second connection electrode CNE2 may be connected to the first connection electrode CNE1 through a contact hole passing through the sixth insulating layer IL6.
- the seventh insulating layer IL7 is disposed on the sixth insulating layer IL6 and may cover the second connection electrode CNE2.
- the eighth insulating layer IL8 may be disposed on the seventh insulating layer IL7 .
- each of the sixth insulating layer IL6 , the seventh insulating layer IL7 , and the eighth insulating layer IL8 may be an organic layer.
- each of the sixth insulating layer IL6, seventh insulating layer IL7, and eighth insulating layer IL8 may be made of BCB (Benzocyclobutene), polyimide, HMDSO (Hexamethyldisiloxane), or Polymethylmethacrylate (PMMA).
- polystyrene (PS) polystyrene
- PS polystyrene
- polymer derivatives having phenolic groups acrylic polymers, imide polymers, arylether polymers, amide polymers, fluorine polymers, p-xylene polymers, vinyl alcohol polymers, and blends thereof, and the like.
- the light emitting element LD may include a first electrode AE, a light emitting layer EL, and a second electrode CE.
- the second electrode CE may be commonly provided on a plurality of light emitting devices.
- the first electrode AE of the light emitting element LD may be disposed on the eighth insulating layer IL8.
- the first electrode AE of the light emitting element LD may be a (semi)transmissive electrode or a reflective electrode.
- the first electrode AE of the light emitting device LD includes a reflective layer formed of Ag, Mg, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr or a compound thereof. , a transparent or translucent electrode layer formed on the reflective layer.
- the transparent or translucent electrode layer may be indium tin oxide (ITO), indium zinc oxide (IZO), indium gallium zinc oxide (IGZO), zinc oxide (ZnO) or indium oxide (In 2 O 3 ), and aluminum doped zinc oxide (AZO). ) may be provided with at least one selected from the group including.
- the first electrode AE of the light emitting device LD may include a stacked structure of ITO/Ag/ITO.
- the pixel defining layer PDL may be disposed on the eighth insulating layer IL8.
- the pixel defining layer PDL may have a property of absorbing light, and for example, the pixel defining layer PDL may have a black color.
- the pixel defining layer PDL may include a black coloring agent.
- the black component may include black dye and black pigment.
- the black component may include carbon black, metals such as chromium, or oxides thereof.
- the pixel defining layer PDL may correspond to a light blocking pattern having light blocking characteristics.
- the pixel defining layer PDL may cover a portion of the first electrode AE of the light emitting device LD.
- an opening PDL-OP exposing a part of the first electrode AE of the light emitting element LD may be defined in the pixel defining layer PDL.
- the pixel defining layer PDL may increase a distance between the edge of the first electrode AE and the second electrode CE of the light emitting device LD. Accordingly, it may play a role of preventing an arc or the like from occurring at the edge of the first electrode AE by the pixel defining layer PDL.
- a hole control layer may be disposed between the first electrode AE and the light emitting layer EL.
- the hole control layer may include a hole transport layer and may further include a hole injection layer.
- An electronic control layer may be disposed between the light emitting layer EL and the second electrode CE.
- the electron control layer includes an electron transport layer and may further include an electron injection layer.
- the hole control layer and the electron control layer may be commonly formed in a plurality of pixels (PX, see FIG. 6A) using an open mask.
- the encapsulation layer TFE may be disposed on the light emitting element layer DP-EL.
- the encapsulation layer TFE may include an inorganic layer TFE1 , an organic layer TFE2 , and an inorganic layer TFE3 sequentially stacked, but the layers constituting the encapsulation layer TFE are not limited thereto.
- the inorganic layers TFE1 and TFE3 may protect the light emitting element layer DP-EL from moisture and oxygen, and the organic layer TFE2 may protect the light emitting element layer DP-EL from foreign substances such as dust particles.
- the inorganic layers TFE1 and TFE3 may include a silicon nitride layer, a silicon oxynitride layer, a silicon oxide layer, a titanium oxide layer, an aluminum oxide layer, or the like.
- the organic layer TFE2 may include an acryl-based organic layer, but is not limited thereto.
- the input sensor IS may be disposed on the display panel DP.
- the input sensor IS may be referred to as a sensor, an input sensing layer, or an input sensing panel.
- the input sensor IS may include a sensor base layer 210 , a first conductive layer 220 , a sensing insulating layer 230 and a second conductive layer 240 .
- the sensor base layer 210 may be directly disposed on the display panel DP.
- the sensor base layer 210 may be an inorganic layer containing at least one of silicon nitride, silicon oxynitride, and silicon oxide.
- the sensor base layer 210 may be an organic layer including an epoxy resin, an acrylic resin, or an imide-based resin.
- the sensor base layer 210 may have a single-layer structure or a multi-layer structure stacked along the third direction DR3 .
- Each of the first conductive layer 220 and the second conductive layer 240 may have a single-layer structure or a multi-layer structure stacked along the third direction DR3 .
- the first conductive layer 220 and the second conductive layer 240 may include conductive lines defining mesh-shaped sensing electrodes. The conductive lines may not overlap the opening PDL-OP and may overlap the pixel defining layer PDL.
- the conductive layer of the single-layer structure may include a metal layer or a transparent conductive layer.
- the metal layer may include molybdenum, silver, titanium, copper, aluminum, or an alloy thereof.
- the transparent conductive layer may include indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), or indium zinc tin oxide (IZTO).
- ITO indium tin oxide
- IZO indium zinc oxide
- ZnO zinc oxide
- IZTO indium zinc tin oxide
- a transparent conductive oxide may be included.
- the transparent conductive layer may include conductive polymers such as PEDOT, metal nanowires, graphene, and the like.
- the conductive layer of the multilayer structure may include sequentially stacked metal layers.
- the metal layers may have, for example, a three-layer structure of titanium/aluminum/titanium.
- the multi-layered conductive layer may include at least one metal layer and at least one transparent conductive layer.
- the sensing insulating layer 230 may be disposed between the first conductive layer 220 and the second conductive layer 240 .
- the sensing insulating layer 230 may include an inorganic layer.
- the inorganic layer may include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon nitride, silicon oxynitride, zirconium oxide, and hafnium oxide.
- the sensing insulating layer 230 may include an organic layer.
- the organic film may include at least one of acrylic resin, methacrylic resin, polyisoprene, vinyl resin, epoxy resin, urethane resin, cellulose resin, siloxane resin, polyimide resin, polyamide resin, and perylene resin. can include
- the anti-reflection layer LF may be disposed on the input sensor IS.
- the anti-reflection layer LF may include a division layer 310 , a plurality of color filters 320 , and a planarization layer 330 .
- a material constituting the division layer 310 is not particularly limited as long as it is a material that absorbs light.
- the division layer 310 is a layer having a black color, and in one embodiment, the division layer 310 may include a black coloring agent.
- the black component may include black dye and black pigment.
- the black component may include carbon black, metals such as chromium, or oxides thereof.
- the division layer 310 may cover the second conductive layer 240 of the input sensor IS.
- the division layer 310 may prevent reflection of external light by the second conductive layer 240 .
- the division layer 310 may be omitted. Transmittance of an area where the division layer 310 is omitted and not disposed may be higher than that of other areas.
- An opening 310 -OP may be defined in the division layer 310 .
- the opening 310 -OP may overlap the first electrode AE of the light emitting device LD.
- Any one of the plurality of color filters 320 may overlap the first electrode AE of the light emitting element LD.
- Any one of the plurality of color filters 320 may cover the opening 310 -OP.
- Each of the plurality of color filters 320 may contact the division layer 310 .
- the planarization layer 330 may cover the division layer 310 and the plurality of color filters 320 .
- the planarization layer 330 may include an organic material and may include a planarized upper surface. In one embodiment of the invention, the planarization layer 330 may be omitted.
- 6A is a plan view of a display panel DP according to an exemplary embodiment of the present invention.
- 6B is a plan view illustrating an enlarged portion of a display panel DP according to an exemplary embodiment of the present invention.
- 6C is an enlarged plan view of a partial area of the display panel DP according to an embodiment of the present invention.
- 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 divided according to whether or not the pixels PX are disposed.
- a pixel PX is disposed in the display area DP-DA.
- a scan driver SDV, a data driver, and a 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 driving chip DIC.
- the signal transmission area DP-TA may be a lower resolution area than the display area DP-DA.
- the signal transmission area DP-TA may be an area in which the number of pixels disposed per unit area is smaller than that of the display area DP-DA.
- An optical signal may be moved through an area where pixels are not disposed among the signal transmission area DP-TA.
- 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 part 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 the electronic device ED shown in 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 may correspond to the folding area FA.
- Lengths of the bending area BA and the second area AA2 along the first direction DR1 may be smaller than the length of the first area AA1. As the length of the bending area BA in the first direction DR1 is short, the bending area BA 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 a first direction DR1 and be connected to the scan driver SDV, the data lines DL1 to DLn extend in a second direction DR2, and 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 When viewed from a plan view, the pads PD may be disposed adjacent to a 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 printed circuit board (PCB) may be electrically connected to the pads (PD) through the anisotropic conductive adhesive layer.
- FIG. 6B is a diagram showing a plan configuration of pixels adjacent to the signal transmission area DP-TA among the pixels shown in FIG. 6A.
- FIG. 6C is an enlarged view of some pixels among the pixels PX shown in FIG. 6B.
- the pixels PX may include a plurality of first pixels PX1 and a plurality of second pixels PX2 .
- the first pixels PX1 may be disposed in the first display area DA1.
- the second pixels PX2 may be disposed in the second display area DA2.
- the first display area DA1 may be an area corresponding to the signal transmission area DP-TA.
- the second display area DA2 may be an area other than the signal transmission area DP-TA in the display area DP-DA.
- the first pixels PX1 may be arranged in a matrix form within the first display area DA1.
- the first pixels PX1 may be arranged in the first and second directions DR1 and DR2 .
- the arrangement of the first pixels PX1 is not limited thereto.
- the second pixels PX2 may be arranged in a matrix form within the second display area DA2.
- the second pixels PX2 may be arranged in the first and second directions DR1 and DR2 .
- the arrangement of the second pixels PX2 is not limited thereto.
- the second pixels PX2 may be disposed in the first and second diagonal directions DDR1 and DDR2 , for example.
- the first diagonal direction DDR1 may be defined as a direction crossing the first and second directions DR1 and DR2 on a plane defined by the first and second directions DR1 and DR2 .
- the second diagonal direction DDR2 may be defined as a direction crossing the first diagonal direction DDR1 on a plane defined by the first and second directions DR1 and DR2 .
- the first and second directions DR1 and DR2 may perpendicularly cross each other, and the first and second diagonal directions DDR1 and DDR2 may perpendicularly cross each other.
- the first display area DA1 may display an image by the first pixels PX1.
- the second display area DA2 may display an image by the second pixels PX2 .
- a predetermined image may be displayed in the display area DP-DA by light generated by the first pixels PX1 and the second pixels PX2 .
- the second pixels PX2 may have a different shape from the first pixels PX1 on a plane.
- the display panel DP may include a plurality of transmissive areas HA.
- the transmission areas HA may be disposed between the first pixels PX1 .
- the transmission areas HA may have a cross shape, but the shape of the transmission areas HA is not limited thereto.
- the transmission areas HA may be disposed around each of the first pixels PX1 .
- the transmission areas HA may be disposed in the first diagonal direction DDR1 and the second diagonal direction DDR2 with respect to each of the first pixels PX1 .
- the first pixels PX1 may have a rectangular shape having sides parallel to the first direction DR1 and sides parallel to the second direction DR2 .
- the transmissive areas HA are disposed adjacent to vertices of each of the first pixels PX1 and are disposed in first and second diagonal directions DDR1 and DDR2 with respect to each of the first pixels PX1.
- this is illustratively described, and the disposition position of the transmission areas HA is not limited thereto.
- the transmissive areas HA may have higher light transmittance than the first and second pixels PX1 and PX2 .
- Light transmitted through the transmission areas HA may be provided to an electronic module (ELM, see FIG. 2 ) disposed below the first display area DA1 .
- ELM electronic module
- An image may be displayed by the first pixels PX1 in the first display area DA1, and an optical signal may be provided to the electronic module ELM through the transmission areas HA. Accordingly, the first display area DA1 may display an image, and the electronic module ELM receiving the optical signal may operate with a specific function.
- the first pixel PX1 may include a plurality of light emitting areas PA1_1 , PA2_1 , and PA3_1 capable of displaying a plurality of colors.
- the light emitting areas PA1_1 , PA2_1 , and PA3_1 may include a plurality of first light emitting areas PA1_1 , a plurality of second light emitting areas PA2_1 , and a plurality of third light emitting areas PA3_1 .
- the first pixel PX1 may include two first light emitting areas PA1_1 , four second light emitting areas PA2_1 , and two third light emitting areas PA3_1 .
- the number of first, second, and third light emitting regions PA1_1 , PA2_1 , and PA3_1 disposed in the first pixel PX1 is not limited thereto.
- the first light emitting areas PA1_1 may display red
- the second light emitting areas PA2_1 may display green
- the third light emitting areas PA3_1 may display blue.
- the colors displayed by the first, second, and third light emitting regions PA1_1 , PA2_1 , and PA3_1 are not limited thereto.
- the first, second, and third light-emitting regions PA1_1, PA2_1, and PA3_1 may have a rectangular shape, but the first, second, and third light-emitting regions PA1_1, PA2_1, and PA3_1 may have a rectangular shape.
- the shapes of are not limited thereto.
- the first, second, and third light emitting regions PA1_1 , PA2_1 , and PA3_1 may be partitioned by the pixel defining layer PDL. Also, the pixel defining layer PDL may not be disposed in the transmission area HA.
- the first light emitting regions PA1_1 and the third light emitting regions PA3_1 may extend in the first direction DR1.
- a pair of first and third light emitting areas PA1_1 and PA3_1 may be arranged in the order of the third light emitting area PA3_1 and the first light emitting area PA1_1 .
- Another pair of first and third light emitting areas PA1_1 and PA3_1 may be arranged in the order of the first light emitting area PA1_1 and the third light emitting area PA3_1 .
- a pair of first and third light emitting regions PA1_1 and PA3_1 and another pair of first and third light emitting regions PA1_1 and PA3_1 may be spaced apart from each other in the second direction DR2 .
- the second emission areas PA2_1 may extend in the second direction DR2 and be arranged in the first direction DR1.
- the second light emitting regions PA2_1 may be disposed between a pair of first and third light emitting regions PA1_1 and PA3_1 and another pair of first and third light emitting regions PA1_1 and PA3_1 .
- FIG. 7A is a cross-sectional view of a display device DD according to an exemplary embodiment.
- 7B is a cross-sectional view of a display device DD according to an exemplary embodiment.
- 7c and 7d are cross-sectional views of a portion of the display device DD according to an exemplary embodiment.
- FIG. 7A shows a cross section corresponding to the line II-II' of FIG. 6A.
- FIG. 7B partially illustrates a cross-section of the bending area BA of FIG. 7A in a bent state.
- FIG. 7A is a view in which the display panel DP is unfolded before being bent. Assuming that the display panel DP is installed in the electronic device ED, as shown in FIG.
- FIG. 7c shows a cross section corresponding to the cut line III-III' of FIG. 6a.
- FIG. 7d shows a cross section corresponding to the IV-IV′ line of FIG. 6a.
- the display device DD includes a window module WM and a display module DM.
- the window module 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 plastic film.
- the window module WM may further include an adhesive layer AL1 (hereinafter referred to as a first adhesive layer) combining the window protection layer PF and the thin glass substrate UTG.
- the bezel pattern BP may overlap the non-display area DP-NDA shown in FIG. 2 .
- 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.
- 7A 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 bezel pattern BP may have a closed line shape on a plane.
- the edge (UTG-E, see FIG. 7C ) of the thin glass substrate UTG may not overlap the bezel pattern BP.
- the edge UTG-E of the thin glass substrate UTG is exposed from the bezel pattern BP, and the edge UTG-E of the thin glass substrate UTG is exposed through the inspection device. Minor cracks can be inspected.
- the inspection device may include a microscope. A crack starting from the edge UTG-E of the thin glass substrate UTG may be confirmed by photographing the edge UTG-E of the thin glass substrate UTG on the upper surface of the window protective layer PF with the inspection device.
- the bezel pattern BP may overlap the edge UTG-E of the thin glass substrate UTG.
- 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 window protection layer (PF) is made of polyimide, polycarbonate, polyamide, triacetylcellulose, polymethylmethacrylate, or polyethylene terephthalate. ) may be included.
- 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).
- PSA pressure sensitive adhesive film
- OCA optically clear adhesive
- the adhesive layers described below are also the same as the first adhesive layer AL1 and may include a conventional 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 relatively easily occur in the window protection layer PF. 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 window protective layer PF may include a plastic resin layer directly disposed on the upper surface of the thin glass substrate UTG.
- a plastic resin layer in contact with the upper surface of the thin glass substrate (UTG) may be formed using an insert molding method.
- a bezel pattern BP may be formed on the upper surface of the thin glass substrate UTG. Accordingly, the plastic resin layer may cover the bezel pattern BP.
- a hard coating layer may be disposed on the window protective layer PF.
- the hard coating layer may be disposed on the outermost surface of the display device DD and may be a functional layer for improving use characteristics of the display device DD. For example, anti-fingerprint properties, anti-fouling properties, anti-scratch properties, etc. may be improved by the hard coating layer.
- the display module DM includes an impact resistant layer DMP, a display panel DP, a panel protection layer PPL, a barrier layer BRL, and a lower member LM.
- the lower member (LM) includes a support layer (PLT), a cover layer (SCV), a digitizer (DTM), an electromagnetic shielding layer (EMS), a lower metal plate (MP), a heat dissipation layer (HRP), and a magnetic field shielding sheet (MSM). can do.
- the display module DM may include second to eighth adhesive layers AL2 to AL8.
- the second to eighth adhesive layers AL2 to AL8 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.
- the lower metal plate MP and the eighth adhesive layer AL8 associated therewith may be omitted.
- the heat dissipation layer (HRP) and the magnetic field shielding sheet (MSM) may be omitted.
- the input sensor IS and the antireflection layer LF may be further disposed on the display panel DP as shown in FIG. 4 .
- the impact resistant layer DMP may be disposed on the display panel DP to protect the display panel DP from external impact.
- the impact resistance of the display panel DP is improved through the impact resistance layer DMP, and the hole of the lower member LM formed corresponding to the signal transmission area (DP-TA, see FIG. 6A) of the display panel DP It is possible to prevent a problem that the display panel DP is sagging.
- the second adhesive layer AL2 couples the impact resistant layer DMP and the window module WM, and the third adhesive layer AL3 couples the impact resistant layer DMP and the display panel DP.
- the edge UTG-E of the thin glass substrate UTG may be disposed on the inner side compared to the edge PF-E of the window protection layer PF. That is, the edge UTG-E of the thin glass substrate UTG may be disposed closer to the display area DP-DA (FIG. 6A) than the edge PF-E of the window protection layer PF.
- the edge UTG of the thin glass substrate UTG Since -E) is disposed on the inner side compared to the edge PF-E of the window protective layer PF, even if the positional relationship between the layers included in the display device DD is deformed, the A probability that the edge UTG-E protrudes more than the edge PF-E of the window protection layer PF may be reduced. Accordingly, a possibility that an external impact is transmitted through the edge UTG-E of the thin glass substrate UTG may be reduced. As a result, the probability of cracks occurring in the thin glass substrate UTG may be reduced.
- the first distance d1 between the edge UTG-E of the thin glass substrate UTG and the edge PF-E of the window protective layer PF is 180 micrometers to 250 micrometers, for example, 210 micrometers. can be
- the edge AL2-E of the second adhesive layer AL2 is at the edge UTG-E of the thin glass substrate UTG. It can be placed inside compared to. That is, the edge AL2-E of the second adhesive layer AL2 may be disposed closer to the display area DP-DA than the edge UTG-E of the thin glass substrate UTG. According to the exemplary embodiment of the present invention, as the edge AL2-E of the second adhesive layer AL2 is disposed on the inside compared to the edge UTG-E of the thin glass substrate UTG, the display device DD is folded. It is possible to prevent defects such as buckling from occurring in the thin glass substrate UTG during operation.
- the second distance d2 between the edge AL2-E of the second adhesive layer AL2 and the edge UTG-E of the thin glass substrate UTG is 170 micrometers to 230 micrometers, for example, 190 micrometers. can be
- the edge AL2-E of the second adhesive layer AL2 is substantially similar to the edge UTG-E of the thin glass substrate UTG.
- the edge AL2-E of the second adhesive layer AL2 is the edge of the thin glass substrate UTG (UTG-). E) is disposed on the inner side to prevent buckling defects, etc., but in the folding area FA0, the edge AL2-E of the second adhesive layer AL2 is close to the edge UTG-E of the thin glass substrate UTG.
- the adhesion between the thin glass substrate UTG and the impact resistant layer DMP can be improved in the folding area FA0, and the thin glass substrate UTG and the impact resistant layer DMP are attached by repeated folding. It is possible to prevent problems such as peeling due to a decrease in adhesive strength of the second adhesive layer AL2.
- the panel protection layer PPL may be disposed below the display panel DP.
- the panel protection layer PPL may protect a lower portion of the display panel DP.
- the panel protection layer (PPL) may include a flexible plastic material.
- 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 and a second panel protection layer PPL- protecting the second area AA2 of the display panel DP. 2) may be included.
- the fourth adhesive layer AL4 adheres 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 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 may control 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 caused by 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 plastic 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 adhesive portion AL6 - 1 and a second adhesive portion AL6 - 2 spaced apart from each other.
- the distance W3 between the first adhesive portion AL6-1 and the second adhesive portion AL6-2 that is, the distance between the first adhesive portion AL6-1 and the second adhesive portion AL6-2.
- the distance W3 between the first adhesive portion AL6 - 1 and the second adhesive portion AL6 - 2 may be 7 mm to 15 mm, preferably 9 mm to 12 mm.
- the distance W3 between the first adhesive portion AL6 - 1 and the second adhesive portion AL6 - 2 may be 9.65 mm.
- the first adhesive portion AL6 - 1 and the second adhesive portion AL6 - 2 are defined as different portions of one adhesive layer, but are not limited thereto.
- the first adhesive portion AL6-1 is defined as one adhesive layer (eg, the first adhesive layer)
- the second adhesive portion AL6-2 may be defined as another adhesive layer (eg, the second adhesive layer). .
- 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 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 further included.
- a plurality of openings OP are defined in the folding portion PLT-F, so that stress applied to the support layer PLT during the folding operation shown in FIGS. 1B and 1C can be reduced.
- the plurality of openings OP defined in the folding portion PLT-F may be provided in a plurality of rows arranged to be offset from each other.
- the support layer PLT may be selected from a material capable of transmitting the magnetic field generated by the digitizer DTM described later without loss or with minimal loss.
- the support layer PLT may include a non-metallic material.
- the support layer PLT may include plastic, glass fiber reinforced plastic, or glass.
- the support layer PLT may include, for example, carbon fiber reinforced plastic (CFRP).
- CFRP carbon fiber reinforced plastic
- the first support portion PLT-1, the second support portion PLT-2, and the folding portion PLT-F included in the support layer PLT may include the same material as each other.
- the first support part PLT-1, the second support part PLT-2, and the folding part PLT-F may have an integral shape.
- a plurality of openings OP may be defined in a partial area of the support layer PLT corresponding to the folding area FA0.
- a plurality of openings OP may be defined in the folding portion PLT-F of the support layer PLT.
- the flexibility of the support layer PLT is improved by the openings OP. Since the sixth adhesive layer AL6 is not disposed in the area corresponding to the folding area FA0, the flexibility of the support layer PLT may be improved.
- a seventh adhesive layer AL7 and a cover layer SCV are disposed under the support layer PLT.
- the seventh adhesive layer AL7 may be referred to as a lower adhesive layer.
- the cover layer SCV may be manufactured in a sheet shape and attached to the support layer PLT.
- the cover layer SCV may have a lower modulus of elasticity than the support layer PLT.
- the cover layer SCV may include at least one of thermoplastic polyurethane (TPU), rubber, and silicon.
- TPU thermoplastic polyurethane
- the cover layer SCV may be attached under the support layer PLT by a separate additional adhesive layer.
- the lower adhesive layer AL7 is disposed under the support layer PLT, and may attach the support layer PLT and the digitizer DTM.
- the lower adhesive layer AL7 includes the first lower adhesive layer AL7-1 disposed below the first support portion PLT-1 and the second lower adhesive layer AL7 disposed below the second support portion PLT-2. -2) may be included.
- the digitizer (DTM), 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 can be absorbed again by the loop coil of the digitizer (DTM), and accordingly, it is possible to determine which position of the touch screen the electronic pen is close to.
- the digitizer DTM may include a first digitizer DTM-1 attached under the first lower adhesive layer AL7-1 and a second digitizer DTM-2 attached to the second lower adhesive layer AL7-2.
- the first digitizer DTM-1 and the second digitizer DTM-2 may be spaced apart from each other with a predetermined gap therebetween.
- the gap may be greater than or equal to 0.3 mm and less than or equal to 3 mm. More preferably, the gap may be 0.4 mm or more and 2 mm or less.
- the gap may be defined to correspond to the folding area FA0. A detailed description of the digitizer (DTM) will be described later.
- An electromagnetic shielding layer may be disposed below the digitizer (DTM).
- An electromagnetic shielding layer (EMS) may be added to block electromagnetic waves generated from the electronic module (ELM) and the control module (EM) shown in FIG. 2 from affecting the digitizer (DTM) as noise.
- the electromagnetic shielding layer EMS includes a first electromagnetic shielding layer EMS-1 and a second electromagnetic shielding layer EMS-2 respectively corresponding to the first digitizer DTM-1 and the second digitizer DTM-2.
- the electromagnetic shielding layer (EMS) may be a copper sheet.
- the electromagnetic shielding layer (EMS) may include a magnetic metal powder (MMP) layer. The magnetic metal powder layer may be directly formed on the lower surface of the digitizer (DTM) through a coating and curing process. In one embodiment of the present invention, the electromagnetic shielding layer (EMS) may be omitted.
- the eighth adhesive layer AL8 couples the electromagnetic shielding layer EMS and the lower metal plate MP.
- the eighth adhesive layer AL8 may include a first portion AL8 - 1 and a second portion AL8 - 2 spaced apart from each other.
- the lower metal plate MP includes a first lower metal plate MP-1 and a second lower metal plate MP-2 attached to the first part AL8-1 and the second part AL8-2, respectively. can include The lower metal plate MP improves heat dissipation, and when the second panel protection layer PPL-2 is fixed after being bent, as shown in FIG. The structure of the upper side can be protected.
- a heat dissipation layer HRP may be disposed under the lower metal plate MP.
- the heat dissipation layer (HRP) may be a sheet having high thermal conductivity.
- the heat dissipation layer HRP may include a metal or metal alloy, and for example, the heat dissipation layer HRP may include copper, a copper alloy, or graphite.
- the heat dissipation layer HRP may include a first heat dissipation layer HRP-1 and a second heat dissipation layer HRP-2.
- the first heat dissipation layer HRP- 1 and the second heat dissipation layer HRP- 2 may be spaced apart by a predetermined distance.
- the distance between the first heat dissipation layer HRP-1 and the second heat dissipation layer HRP-2 may be 0.4 mm to 2 mm, but is not particularly limited thereto.
- a gap between the first heat dissipation layer HRP- 1 and the second heat dissipation layer HRP- 2 may be disposed to correspond to the folding area FA0.
- a magnetic field shielding sheet may be disposed below the digitizer (DTM).
- the magnetic shielding sheet (MSM) may include a plurality of parts. At least some of the plurality of parts may have different thicknesses.
- a plurality of parts of the magnetic field shielding sheet MSM may be arranged to match a level difference of a bracket (not shown) disposed below the display device DD.
- the magnetic field shielding sheet (MSM) may be disposed under, for example, a portion of the digitizer (DTM) where the electromagnetic shielding layer (EMS) is not disposed.
- the magnetic field shielding sheet may be disposed under, for example, a portion of the bottom of the lower metal plate (MP) where the heat dissipation layer (HRP) is not disposed.
- the magnetic shielding sheet (MSM) may have a structure in which magnetic shielding layers and adhesive layers are alternately laminated.
- 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 printed circuit board (PCB) may be disposed on the magnetic field shielding sheet (MSM).
- through-holes may be formed in some members of the lower member LM.
- the through hole may be disposed to overlap the signal transmission area DP-TA of FIG. 2 .
- the through hole may penetrate from the fifth adhesive layer AL5 to the lower metal plate MP.
- a structure blocking an optical signal may be removed from a path of the optical signal.
- the through hole can improve the optical signal reception efficiency of the electronic module (EM, FIG. 2).
- 8 is a cross-sectional view of the lower member LM according to an embodiment of the present invention.
- 8 shows a support layer (PLT), a cover layer (SCV), a lower adhesive layer (AL7), and a digitizer (DTM) of the lower member (LM) shown in FIG. 7A, and an electromagnetic shielding layer (EMS) and a lower metal plate.
- PLT support layer
- SCV cover layer
- AL7 lower adhesive layer
- DTM digitizer
- EMS electromagnetic shielding layer
- MP heat dissipation layer
- MSM magnetic field shielding sheet
- the support layer PLT includes a first support portion PLT-1, a folding portion PLT-F, and a second support portion PLT-2 sequentially arranged.
- a plurality of openings OP are defined in the folding portion PLT-F.
- the cover layer SCV may be manufactured in a sheet shape and attached to the support layer PLT.
- the cover layer SCV may be attached below a portion corresponding to the folding portion PLT-F of the support layer PLT.
- the cover layer SCV may be attached below the folding portion PLT-F to block moisture and foreign matter from entering the plurality of openings OP defined in the folding portion PLT-F.
- the cover layer SCV may include a material having a low modulus of elasticity, for example, thermoplastic polyurethane.
- the cover layer SCV is attached below the folding portion PLT-F of the support layer PLT and will not be disposed under most of the first support portion PLT-1 and the second support portion PLT-2. can
- the lower adhesive layer AL7 is disposed under the support layer PLT to attach the support layer PLT and the digitizer DTM.
- the lower adhesive layer AL7 may contact the lower surface of the support layer PLT and the upper surface of the digitizer DTM. That is, in the portion where the support layer PLT and the digitizer DTM are attached by the lower adhesive layer AL7, no components other than the lower adhesive layer AL7 may be disposed between the support layer PLT and the digitizer DTM. .
- the lower adhesive layer AL7 may not overlap the cover layer SCV on a plane. That is, when viewed in the thickness direction of the lower member LM, the lower adhesive layer AL7 and the cover layer SCV may not overlap.
- the lower adhesive layer AL7 includes the first lower adhesive layer AL7-1 disposed below the first support portion PLT-1 and the second lower adhesive layer AL7 disposed below the second support portion PLT-2. -2) may be included.
- the first lower adhesive layer AL7-1 and the second lower adhesive layer AL7-2 are spaced apart from each other, and the cover layer SCV includes the first lower adhesive layer AL7-1 and the second lower adhesive layer AL7-2. ) may be disposed between spaced apart from each other.
- the thickness of the lower adhesive layer AL7 can be increased.
- the thickness h2 of the lower adhesive layer AL7 may be greater than the thickness h1 of the cover layer SCV.
- a thickness h2 of the lower adhesive layer AL7 may be greater than or equal to 15 micrometers and less than or equal to 25 micrometers.
- the thickness h2 of the lower adhesive layer AL7 may be 20 micrometers.
- the thickness h1 of the cover layer SCV may be greater than or equal to 10 micrometers and less than or equal to 20 micrometers.
- the thickness h1 of the cover layer SCV may be 16 micrometers.
- the cover layer SCV may be slightly spaced apart from the top surface of the digitizer DTM.
- the cover layer SCV may contact the lower surface of the support layer PLT and may not contact the upper surface of the digitizer DTM.
- a width of the cover layer SCV in one direction may be greater than a width of the folding portion PLT-F in one direction.
- the folding part PLT- F may have a first width W1
- the cover layer SCV may have a second width W2 .
- the first width W1 may have a smaller value than the second width W2.
- the first width W1 may have a smaller value than the second width W2 by 0.5 mm or more and 3 mm or less.
- the first width W1 may be greater than or equal to about 6 mm and less than or equal to about 10 mm.
- the first width W1 may be about 8.65 mm.
- the second width W2 may be greater than or equal to about 9 mm and less than or equal to about 15 mm.
- the second width W2 may be about 10.65 mm.
- the distance between the first adhesive portion AL6-1 and the second adhesive portion AL6-2 with respect to the sixth adhesive layer AL6 disposed on the support layer PLT. (W3) may be larger than the first width (W1) and smaller than the second width (W2).
- the distance W3 between the first adhesive portion AL6 - 1 and the second adhesive portion AL6 - 2 may be about 9.65 mm.
- the cover layer SCV disposed below the support layer PLT is disposed at a portion corresponding to the folding portion PLT-F, and the folding portion ( It may not be disposed in most areas below the first support portion PLT-1 and the second support portion PLT-2 other than the PLT-F. Accordingly, the lower adhesive layer AL7 disposed below the first support portion PLT-1 and the second support portion PLT-2 maintains the support layer PLT and the digitizer DTM without intervening other components. Can be attached directly.
- the cover layer SCV includes the first support portion PLT-1, the folding portion PLT-F, and the second support portion PLT-2 of the support layer PLT.
- the lower adhesive layer AL7 may be designed to be thicker. Accordingly, the adhesive force at the interface between the lower adhesive layer AL7, the support layer PLT, and the digitizer DTM may be improved, and thus the durability and waterproof characteristics of the display device DD may be improved.
- 9A is a plan view of a digitizer (DTM) according to an embodiment of the present invention.
- 9B is a plan view of the sensing area SA1 of the digitizer DTM according to an embodiment of the present invention.
- 9C is a cross-sectional view of the sensing area SA1 of the digitizer DTM according to an embodiment of the present invention.
- 9D is a cross-sectional view of a portion of the digitizer DTM and the lower adhesive layer AL7 according to an embodiment of the present invention.
- the digitizer DTM may include a first digitizer DTM-1 and a second digitizer DTM-2 spaced apart from each other.
- the first digitizer DTM-1 and the second digitizer DTM-2 may be spaced apart from each other with a predetermined gap GP therebetween.
- the gap GP may be greater than or equal to 0.3 mm and less than or equal to 3 mm. More preferably, the gap GP may be 0.4 mm or more and 2 mm or less.
- the gap GP may be defined to correspond to the aforementioned folding area FA0 (FIG. 7A).
- the first flexible circuit film FCB1 and the second flexible circuit film FCB2 may be electrically connected to the first digitizer DTM-1 and the second digitizer DTM-2, respectively.
- the first flexible circuit film FCB1 and the second flexible circuit film FCB2 may be connected to the same circuit board.
- the first flexible circuit film FCB1 and the second flexible circuit film FCB2 may be respectively connected to the printed circuit board (PCB) described in FIG. 2 or to the main circuit board connected to the printed circuit board (PCB). there is.
- the first flexible circuit film FCB1 and the second flexible circuit film FCB2 may be replaced with one circuit film.
- Each of the first digitizer DTM-1 and the second digitizer DTM-2 includes a first sensing area SA1 and a second sensing area SA2, respectively, and includes a first non-sensing area NSA1 and a second sensing area SA1. Each includes a non-sensing area NSA2.
- the first non-sensing area NSA1 and the second non-sensing area NSA2 are disposed adjacent to the first sensing area SA1 and the second sensing area SA2, respectively. Since the configurations of the first digitizer DTM-1 and the second digitizer DTM-2 are substantially the same, the first digitizer DTM-1 will be mainly described below.
- the sensing area SA1 may include a plurality of first loop coils 510 (hereinafter referred to as first coils) and a plurality of second loop coils 520 (hereinafter referred to as second coils).
- first coils 510 may be referred to as driving coils
- second coils 520 may be referred to as sensing coils, but are not limited thereto, and vice versa.
- Each of the first coils 510 is arranged along the first direction DR1 and each extends along the second direction DR2.
- Each of the second coils 520 extends along the first direction DR1 , and the second coils 520 may be arranged spaced apart from each other in the second direction DR2 .
- the first coils 510 may be arranged such that adjacent coils overlap each other.
- a bridge pattern may be disposed in an intersection area of the first coils 510 .
- the second coils 520 may be arranged such that adjacent coils overlap each other.
- a bridge pattern may be disposed in an intersection area of the second coils 520 .
- AC signals may be sequentially provided to the first terminals 510t of the first coils 510 .
- the first terminals 510t and the other terminals of the first coils 510 may be grounded.
- Signal lines may be respectively connected to the first terminals 510t of the first coils 510, but are not shown in FIG. 5B. These signal lines may be disposed in the non-sensing area NSA1 shown in FIG. 5A.
- lines of magnetic force may be induced between the first coils 510 and the second coils 520 .
- the second coils 520 may sense the induced electromagnetic force emitted from the electronic pen and output the detected signal to the second terminals 520t of the second coils 520 .
- the second terminals 520t and the other terminals of the second coils 520 may be grounded.
- Signal lines may be respectively connected to the second terminals 520t of the second coils 520, but are not shown in FIG. 5B. These signal lines may be disposed in the non-sensing area NSA1 shown in FIG. 5A.
- the first digitizer DTM-1 includes a base layer DTM-BL, first coils 510 disposed on one surface of the base layer DTM-BL, and a base layer DTM-BL. and second coils 520 disposed on the other side of (BL).
- the base layer DTM-BL may include a plastic film, for example, a polyimide film.
- the first coils 510 and the second coils 520 may include metal, and may include gold (Au), silver (Ag), copper (Cu), or aluminum (Al).
- a protective layer to protect the first coils 510 and the second coils 520 may be disposed on one surface and the other surface of the base layer DTM-BL.
- the protective layer is disposed on the first coils 510, and on the first protective layer PL-D1 and the second coils 520 bonded through the first adhesive layer AL-D1. and a second protective layer PL-D2 attached through the second adhesive layer AL-D2.
- Each of the first protective layer PL-D1 and the second protective layer PL-D2 may include plastic or a polyimide film.
- bending may occur on the upper and lower surfaces of the first digitizer DTM- 1 by the first coils 510 and the second coils 520 .
- the support layer PLT (FIG. 8) disposed on the digitizer (DTM, FIG. 8) prevents the user from seeing the curves generated by the first coils 510 and the second coils 520. there is. That is, the support layer PLT can prevent the first coils 510 and the second coils 520 disposed on the lower side from being visually recognized from the upper side of the display device DD.
- the supporting layer PLT includes a non-metallic material having insulating properties
- a magnetic field can pass through the supporting layer PLT.
- the digitizer DTM disposed below the support layer PLT may detect an external input.
- the support layer PLT includes a metal material
- the magnetic field generated from the digitizer DTM is interfered with by the metal material included in the support layer PLT, resulting in a problem in that the sensitivity of the digitizer DTM decreases.
- a curve generated on the upper surface of the digitizer DTM may be covered by the lower adhesive layer AL7 disposed on the upper surface of the digitizer DTM.
- the lower adhesive layer AL7 may cover curves generated on the upper surfaces of the first digitizer DTM-1 and the second digitizer DTM-2, respectively.
- the first lower adhesive layer AL7-1 covers the curves on the upper surface of the first digitizer DTM-1
- the second lower adhesive layer AL7-2 covers the curves on the upper surface of the second digitizer DTM-2.
- the lower adhesive layer AL7 may cover the curves generated on the top surface of the first digitizer DTM-1 by the first coils 510.
- the thickness of the lower adhesive layer AL7 may be designed to be thick by directly attaching the support layer PLT and the digitizer DTM without intervening the lower adhesive layer AL7. Accordingly, the lower adhesive layer AL7 can cover the curve generated on the top of the digitizer DTM, and it is possible to prevent the waterproof characteristics of the display device DD from deteriorating due to the curve of the wiring of the digitizer DTM. .
- the present invention which provides an electronic device that prevents entry of foreign substances by introducing a cover layer attached below the folding portion and secures a thick adhesive layer without deterioration in durability, has high industrial applicability.
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Abstract
Description
Claims (20)
- 제1 비폴딩영역, 제2 비폴딩영역, 및 상기 제1 비폴딩영역과 상기 제2 비폴딩영역 사이에 배치된 폴딩영역을 포함하는 표시패널; 및상기 표시패널 아래에 배치된 하측부재를 포함하고,상기 하측부재는상기 표시패널 아래에 배치되고, 상기 제1 비폴딩영역에 중첩하는 제1 지지부분, 상기 제2 비폴딩영역에 중첩하는 제2 지지부분, 및 상기 폴딩영역에 중첩하고, 복수의 개구부가 정의된 폴딩부분을 포함하는 지지층;상기 지지층 아래에 배치되고, 상기 제1 지지부분 및 상기 제2 지지부분에 대응하는 디지타이저;상기 지지층 및 상기 디지타이저 사이에 배치되고, 상기 폴딩부분 아래에 부착되는 커버층; 및상기 지지층 및 상기 디지타이저 사이에 배치되고, 상기 제1 지지부분 및 상기 제2 지지부분 아래에 배치되는 하부 접착층을 포함하는 표시 장치.
- 제1항에 있어서,상기 하부 접착층의 두께는 상기 커버층의 두께보다 큰 표시 장치.
- 제2항에 있어서,상기 하부 접착층의 두께는 15 마이크로미터 이상 25 마이크로미터 이하이고,상기 커버층의 두께는 10 마이크로미터 이상 20 마이크로미터 이하인 표시 장치.
- 제1항에 있어서,상기 커버층은 열가소성 폴리 우레탄(Thermoplastic polyurethane, TPU), 고무, 및 실리콘 중 적어도 어느 하나를 포함하는 표시 장치.
- 제1항에 있어서,상기 제1 지지부분, 상기 폴딩부분, 및 상기 제2 지지부분은 제1 방향을 따라 순차적으로 배열되고,상기 폴딩부분의 상기 제1 방향으로의 제1 폭은상기 커버층의 상기 제1 방향으로의 제2 폭에 비해 0.5mm 이상 3mm 이하만큼 작은 표시 장치.
- 제1항에 있어서,상기 디지타이저는 상기 제1 지지부분에 대응하는 제1 감지영역을 구비한 제1 디지타이저, 및 상기 제2 지지부분에 대응하는 대응하는 제2 감지영역을 구비하고, 상기 제1 디지타이저와 이격된 제2 디지타이저를 포함하는 표시장치.
- 제6항에 있어서,상기 하부 접착층은상기 제1 지지부분의 하면 및 상기 제1 디지타이저의 상면에 접촉하는 제1 하부 접착층; 및상기 제2 지지부분의 하면 및 상기 제2 디지타이저의 상면에 접촉하는 제2 하부 접착층을 포함하는 표시장치.
- 제1항에 있어서,상기 디지타이저는베이스층; 및상기 베이스층의 일면 상에 배치된 복수의 코일들을 포함하고,상기 하부 접착층은 상기 복수의 코일들에 의해 상기 디지타이저의 상면에 형성된 굴곡을 커버하는 표시 장치.
- 제1항에 있어서,상기 지지층은 비금속 재료를 포함하는 표시 장치.
- 제1항에 있어서,상기 커버층은 상기 폴딩부분의 하면에 접촉하고, 상기 디지타이저와 이격된 표시 장치.
- 제1항에 있어서,상기 하측부재는상기 디지타이저 아래에 배치된 전자기 차폐층;상기 전자기 차폐층 아래에 배치된 하부 금속 플레이트; 및상기 하부 금속 플레이트 아래에 배치된 방열층을 더 포함하는 표시장치.
- 제1항에 있어서,상기 표시패널 상에 직접 배치된 입력센서; 및상기 입력 센서 상에 직접 배치된 반사방지층을 더 포함하는 표시 장치.
- 제12항에 있어서,상기 반사방지층은복수의 컬러필터; 및상기 복수의 컬러필터 사이에 배치된 분할층을 포함하는 표시 장치.
- 제1항에 있어서,상기 표시패널은제1 표시 영역 및 상기 제1 표시 영역과 인접한 제2 표시 영역을 포함하는 표시 영역, 및 상기 표시 영역에 인접한 주변 영역을 포함하고,상기 제1 표시 영역은 상기 제2 표시 영역보다 상대적으로 높은 광 투과율을 가지는 표시 장치.
- 제1항에 있어서,상기 하측부재는상기 표시패널 아래에 배치된 배리어층;상기 배리어층과 상기 제1 지지부분을 부착하는 제1 접착 부분; 및상기 배리어층과 상기 제2 지지부분을 부착하고, 상기 제1 접착 부분과 이격된 제2 접착 부분을 더 포함하고,상기 제1 접착 부분과 상기 제2 접착 부분의 이격거리는 제1 지지부분과 상기 제2 지지부분의 이격거리보다 큰 표시 장치.
- 제1 비폴딩영역, 제2 비폴딩영역, 및 상기 제1 비폴딩영역과 상기 제2 비폴딩영역 사이에 배치된 폴딩영역을 포함하는 표시패널; 및상기 표시패널 아래에 배치된 하측부재를 포함하고,상기 하측부재는상기 표시패널의 아래에 배치되는 지지층;상기 지지층 아래에 배치되는 디지타이저;상기 지지층의 하면 및 상기 디지타이저의 상면에 접촉하는 하부 접착층; 및상기 지지층의 하면에 접촉하고, 상기 하부 접착층과 평면상에서 비중첩하는 커버층을 포함하는 표시 장치.
- 제16항에 있어서,상기 디지타이저는베이스층; 및상기 베이스층의 일면 상에 배치된 복수의 코일들을 포함하고,상기 하부 접착층은 상기 복수의 코일들에 의해 상기 디지타이저의 상기 상면에 형성된 굴곡을 커버하는 표시 장치.
- 광 신호가 통과하는 신호투과영역, 상기 신호투과영역에 인접한 표시영역, 및 상기 표시 영역에 인접한 비표시영역을 포함하고, 상기 신호투과영역은 발광소자가 중첩하는 소자 영역 및 발광소자가 비중첩하는 투과 영역을 포함하는 표시장치; 및상기 표시장치의 하측에 배치되고, 상기 신호투과영역에 중첩하는 전자모듈을 포함하고,상기 표시장치는제1 비폴딩영역, 제2 비폴딩영역, 및 상기 제1 비폴딩영역과 상기 제2 비폴딩영역 사이에 배치된 폴딩영역을 포함하는 표시패널; 및상기 표시패널 아래에 배치된 하측부재를 포함하고,상기 하측부재는상기 표시패널 아래에 배치되고, 상기 제1 비폴딩영역에 중첩하는 제1 지지부분, 상기 제2 비폴딩영역에 중첩하는 제2 지지부분, 및 상기 폴딩영역에 중첩하고, 복수의 개구부가 정의된 폴딩부분을 포함하는 지지층;상기 지지층 아래에 배치되고, 상기 제1 지지부분 및 상기 제2 지지부분에 대응하는 디지타이저;상기 지지층 및 상기 디지타이저 사이에 배치되고, 상기 폴딩부분 아래에 부착되는 커버층; 및상기 지지층 및 상기 디지타이저 사이에 배치되고, 상기 제1 지지부분 및 상기 제2 지지부분 아래에 배치되는 하부 접착층을 포함하는 전자 장치.
- 제18항에 있어서,상기 표시장치는 윈도우를 더 포함하고,상기 윈도우는 베이스 필름 및 상기 비표시영역에 중첩하는 베젤 패턴을 포함하는 전자 장치.
- 제18항에 있어서,상기 전자모듈은 카메라 모듈을 포함하는 전자 장치.
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US11853119B2 (en) | 2023-12-26 |
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CN218004309U (zh) | 2022-12-09 |
US20240134413A1 (en) | 2024-04-25 |
US20220397935A1 (en) | 2022-12-15 |
EP4357891A1 (en) | 2024-04-24 |
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