KR20210150942A - Foldable electronic device including digitizer and controlling method thereof - Google Patents

Abstract

In accordance with various embodiments, an electronic device includes: a first housing; a second housing connected to be foldable with respect to a designated folding axis; a display panel including a first area supported by the first housing, a second area supported by the second housing, and a third area connecting the first and second areas, and bent through a hinge module; a metal sheet layer placed under the display panel, and including a bendable part including a first pattern facing the third area, a first plane part extended from the bendable part, and including a second pattern facing the first area, and a second plane part extended from the bendable part, and including the second pattern facing the second area; and at least one digitizer placed under the metal sheet layer. The first and second patterns can include a plurality of openings for delivering a wireless signal between the digitizer and an electronic pen with the metal sheet layer laid therebetween. Besides, various embodiments can be possible. Therefore, the present invention is capable of reducing the number of errors occurring in a flexible display.

Description

FOLDABLE ELECTRONIC DEVICE INCLUDING DIGITIZER AND CONTROLLING METHOD THEREOF

Various embodiments of the present invention relate to a foldable electronic device including a digitizer and a method for controlling the same.

Electronic devices are gradually becoming slimmer, and are being improved in order to increase the rigidity of the electronic device, to strengthen the design aspect, and to differentiate the functional elements thereof. BACKGROUND ART Electronic devices are gradually being transformed into various shapes, away from a uniform rectangular shape. The electronic device may have a deformable structure capable of using a large-screen display while being convenient to carry. For example, as part of a deformable structure, an electronic device (eg, a foldable electronic device) may include at least two foldable housings that operate in a manner that they are folded or unfolded with respect to each other. Also, the foldable electronic device may include a digitizer for detecting an input through the electronic pen. A foldable electronic device may require an efficient arrangement structure for a digitizer disposed in an internal space.

A foldable electronic device may include a hinge module, and first and second housings connected in opposite directions through the hinge module. Such a foldable electronic device is an in-folding (in-folding) and/or an out-folding (out-folding) method by rotating the first housing in a range of 0 to 360 degrees with respect to the second housing through a hinge module. can be operated. The foldable electronic device may include a flexible display disposed to be at least partially supported through the first housing and the second housing in an unfolded state. Such a flexible display is provided in the internal space of an electronic device or through layers (such as a polymer layer (such as a cushioning layer)) and a metal sheet layer (such as a conductive plate or SUS plate) that are laminated under the display panel of the flexible display to provide support and Flexural properties may be provided.

The foldable electronic device may include an electronic pen as an additional input means. Also, the foldable electronic device may include at least one digitizer disposed in an internal space to detect data input through the electronic pen. Such at least one digitizer may be disposed under the display panel.

However, in such a digitizer arrangement structure, stress due to the rigidity of the digitizer is transmitted to the upper layer according to the frequent unfolding and folding operations of the foldable electronic device, so that the corresponding part is crushed or bent, a buckling phenomenon may occur. Furthermore, the digitizer is attached through lamination with its peripheral layers under the display panel, and a conductive pattern (eg, a coil member, a digitizer pattern, or a coil pattern) can be viewed from the outside of the flexible display through pressure applied during the process. In addition, since conductive members (eg, a metal sheet layer and/or reinforcing plates) disposed under the display panel maintain a floating state by the digitizer, malfunctions such as flickering of the flexible display may be caused. According to various embodiments of the present disclosure, a foldable electronic device including a digitizer and a method for controlling the same may be provided.

According to various embodiments, it is possible to provide a foldable electronic device including a digitizer having an arrangement structure in which a digitizer pattern is not visually recognized from the outside, and a method for controlling the same.

According to various embodiments, it is possible to provide a foldable electronic device including a digitizer having an arrangement structure in which a buckling phenomenon occurring in a folded portion according to unfolding and folding operations can be reduced, and a method for controlling the same.

According to various embodiments, there is provided a foldable electronic device including a digitizer configured to reduce malfunction of a flexible display by providing a grounding structure for connecting conductive members disposed under a display panel to the ground, and a method for controlling the same can do.

According to various embodiments of the present disclosure, the electronic device includes a first housing, a second housing that is foldably connected to the first housing based on a designated folding axis through a hinge module, and a first area supported by the first housing. , a display panel including a second region supported by the second housing and a third region that connects the first region with the second region and can be bent through the hinge module; A metal sheet layer disposed as a first flat portion including a bendable portion including a first pattern facing the third region, and a second pattern extending from the bendable portion and facing the first region and a metal sheet layer extending from the bendable portion and including a second flat portion including the second pattern facing the second region, and at least one digitizer disposed under the metal sheet layer, wherein the The first pattern and the second pattern may include a plurality of openings for wireless signal transmission between the electronic pen and the digitizer with the metal sheet layer interposed therebetween.

The digitizer according to an exemplary embodiment of the present invention is disposed under a metal sheet layer supporting the flexible display panel, and the metal sheet layer is formed to have a structure in which the digitizer can recognize the electronic pen, so that the outside through the metal sheet layer It is possible to prevent the digitizer pattern from being visually recognized from the digitizer, and to prevent buckling of the peripheral layer occurring in the folded portion of the digitizer, thereby helping to improve the reliability of the electronic device. In addition, conductive members disposed under the display (eg, a metal sheet layer and/or reinforcing plates) are connected to the ground through a ground structure disposed on the digitizer, thereby helping to reduce the occurrence of malfunction of the flexible display. .

In addition, various effects directly or indirectly identified through this document may be provided.

In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar components.
1A is a front perspective view of an electronic device showing a flat state or unfolding state according to various embodiments of the present disclosure;
1B is a plan view illustrating a front surface of an electronic device in an unfolded state according to various embodiments of the present disclosure;
1C is a plan view illustrating a rear surface of an electronic device in an unfolded state according to various embodiments of the present disclosure;
2A is a perspective view of an electronic device illustrating a folding state according to various embodiments of the present disclosure;
2B is a perspective view of an electronic device illustrating an intermediate state according to various embodiments of the present disclosure;
3 is an exploded perspective view of a flexible display according to various embodiments of the present disclosure;
4A is a diagram illustrating a configuration of a metal sheet layer according to various embodiments of the present disclosure.
4B is an enlarged view of area 4B of FIG. 4A according to various embodiments of the present disclosure;
4C is an enlarged view of area 4C of FIG. 4C according to various embodiments of the present disclosure;
5 is a partial cross-sectional view of a flexible display taken along line 5-5 of FIG. 1A according to various embodiments of the present disclosure;
6 is a view illustrating a folded state of a flexible display according to various embodiments of the present disclosure;
7A to 7D are views illustrating a shape of a second pattern of planar portions of a metal sheet layer according to various embodiments of the present disclosure;
8A is a partial cross-sectional view of a flexible display including two digitizers according to various embodiments of the present disclosure;
8B is a diagram of a foldable electronic device according to various embodiments of the present disclosure;
9A is a partial cross-sectional view of a flexible display including a digitizer having a stepped area according to various embodiments of the present disclosure;
9B is a partial configuration diagram of a digitizer having a step area according to various embodiments of the present disclosure.
10 is a partial cross-sectional view of a flexible display including a digitizer having a margin area according to various embodiments of the present disclosure;
11 is a partial configuration diagram of a digitizer having a bendable pattern area according to various embodiments of the present disclosure.
12 is a partial configuration diagram of a digitizer having a third pattern according to various embodiments of the present invention.
13A and 13B are diagrams illustrating shapes of a plurality of openings disposed in a bendable pattern area of a digitizer according to various embodiments of the present disclosure;
14 is a partial cross-sectional view of a display including two digitizers according to various embodiments of the present disclosure;
15A is a block diagram of two digitizers of FIG. 14 according to various embodiments of the present disclosure;
15B is a partial cross-sectional view of a first digitizer taken along line 15b-15b of FIG. 15A in accordance with various embodiments of the present disclosure;
16A is a block diagram of a first digitizer according to various embodiments of the present invention.
16B is an enlarged view of area 16B of FIG. 16A according to various embodiments of the present disclosure;
17 to 19 are partial cross-sectional views of displays according to various embodiments of the present disclosure.
20A is a partial cross-sectional view of a display according to various embodiments of the present disclosure;
20B is a configuration diagram of the metal sheet layer shown in FIG. 20A according to various embodiments of the present disclosure;
20C is a configuration diagram of two digitizers shown in FIG. 20A according to various embodiments of the present disclosure.
21 illustrates a structure of a foldable electronic device according to various embodiments of the present disclosure.
22A and 22B illustrate arrangement of conductive patterns in digitizers, according to various embodiments.
23 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.
24 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.
25 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.
26 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.
27 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.
28 is a flowchart illustrating an operation performed by an electronic device according to various embodiments of the present disclosure.
29 is a flowchart illustrating an operation performed by an electronic device according to various embodiments of the present disclosure.
30 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;

1A is a perspective view of an electronic device illustrating a flat state or unfolding state according to various embodiments of the present disclosure; 1B is a plan view illustrating a front surface of an electronic device in an unfolded state according to various embodiments of the present disclosure; 1C is a plan view illustrating a rear surface of an electronic device in an unfolded state according to various embodiments of the present disclosure;

2A is a perspective view of an electronic device illustrating a folding state according to various embodiments of the present disclosure; 2B is a perspective view of an electronic device illustrating an intermediate state according to various embodiments of the present disclosure;

1A to 2B , the electronic device 100 is a pair of housings 110 rotatably coupled to face each other and to be folded based on a hinge module (eg, the hinge module 140 of FIG. 1B ). , 120) (eg, a foldable housing). In some embodiments, the hinge module (eg, the hinge module 140 of FIG. 1B ) may be disposed in the X-axis direction or the Y-axis direction. In some embodiments, two or more hinge modules (eg, the hinge module 140 of FIG. 1B ) may be arranged to be folded in the same direction or in different directions. According to an embodiment, the electronic device 100 may include a flexible display 400 (eg, a foldable display) disposed in an area formed by a pair of housings 110 and 120 . According to one embodiment, the first housing 110 and the second housing 120 are disposed on both sides about the folding axis (axis A), and may have a substantially symmetrical shape with respect to the folding axis (axis A). have. According to an embodiment, the first housing 110 and the second housing 120 are in the state of the electronic device 100 in an unfolding state (a flat state or an unfolding state), a folding state, or an intermediate state. (Intermediate state), the angle or distance between each other may be different depending on whether the state is present.

According to various embodiments, the pair of housings 110 and 120 includes a first housing 110 (eg, a first housing structure) coupled with a hinge module (eg, the hinge module 140 of FIG. 1B ) and a hinge module. It may include a second housing 120 (eg, a second housing structure) coupled to (eg, the hinge module 140 of FIG. 1B ). According to one embodiment, the first housing 110 is, in the unfolded state, the first surface 111 facing the first direction (eg, the front direction) (z-axis direction) and the first surface 111 facing the A second surface 112 facing a second direction (eg, a rear direction) (-z axis direction) may be included. According to one embodiment, in the unfolded state, the second housing 120 has a third surface 121 facing the first direction (z-axis direction) and a fourth surface 122 facing the second direction (-z-axis direction). ) may be included. According to an embodiment, in the electronic device 100 , in the unfolded state, the first surface 111 of the first housing 110 and the third surface 121 of the second housing 120 are substantially identical to each other. It may be operated in such a way that the first surface 111 and the third surface 121 face each other in the folded state in the direction (z-axis direction). According to an embodiment, in the unfolded state, the second surface 112 of the first housing 110 and the fourth surface 122 of the second housing 120 of the electronic device 100 are substantially identical to each other. direction (-z-axis direction), and in a folded state, the second surface 112 and the fourth surface 122 may be operated to face opposite directions. For example, in the folded state, the second surface 112 may face the first direction (z-axis direction), and the fourth surface 122 may face the second direction (−z-axis direction).

According to various embodiments, the first housing 110 is coupled to the first side frame 113 and the first side frame 113 that at least partially form the exterior of the electronic device 100 , and the electronic device 100 . It may include a first rear cover 114 forming at least a portion of the second surface 112 of the. According to an embodiment, the first side frame 113 includes a first side 113a, a second side 113b extending from one end of the first side 113a, and the other end of the first side frame 113a. A third side surface 113c may be included. According to one embodiment, the first side frame 113 may be formed in a rectangular (eg, square or rectangular) shape through the first side 113a, the second side 113b, and the third side 113c. .

According to various embodiments, the second housing 120 is coupled to the second side frame 123 and the second side frame 123 that at least partially form the exterior of the electronic device 100 , and the electronic device 100 . It may include a second rear cover 124 forming at least a portion of the fourth surface 122 of the. According to one embodiment, the second side frame 123 includes a fourth side 123a, a fifth side 123b extending from one end of the fourth side 123a, and the other end of the fourth side frame 123a. A sixth side surface 123c may be included. According to an embodiment, the second side frame 123 may be formed in a rectangular shape through the fourth side surface 123a, the fifth side surface 123b, and the sixth side surface 123c.

According to various embodiments, the pair of housings 110 and 120 is not limited to the illustrated shape and combination, and may be implemented by a combination and/or combination of other shapes or parts. For example, in some embodiments, the first side frame 113 may be integrally formed with the first back cover 114 , and the second side frame 123 may be integrally formed with the second back cover 124 . can be formed.

According to various embodiments of the present disclosure, in the unfolded state, the electronic device 100 has a gap between the second side 113b of the first side frame 113 and the fifth side 123b of the second side frame 123 . It can be connected without gap). According to one embodiment, in the unfolded state, the electronic device 100 has a gap ( ) between the third side 113c of the first side frame 113 and the sixth side 123c of the second side frame 123 . It can be connected without gap). According to an embodiment, in the unfolded state, the combined length of the second side surface 113b and the fifth side surface 123b of the electronic device 100 is that of the first side surface 113a and/or the fourth side surface 123a. It may be configured to be longer than the length. In addition, the combined length of the third side surface 113c and the sixth side surface 123c may be configured to be longer than the length of the first side surface 113a and/or the fourth side surface 123a.

According to various embodiments, the first side frame 113 and/or the second side frame 123 may be formed of a metal or may further include a polymer injected into the metal. According to one embodiment, the first side frame 113 and/or the second side frame 123 are at least electrically segmented through at least one segmented portion 1161 , 1162 and/or 1261 , 1262 formed of a polymer. It may include one conductive portion 116 and/or 126 . In this case, at least one conductive part may be used as an antenna operating in at least one band (eg, legacy band) designated by being electrically connected to a wireless communication circuit included in the electronic device 100 .

According to various embodiments, the first back cover 114 and/or the second back cover 124 may be, for example, coated or colored glass, ceramic, polymer or metal (eg, aluminum, stainless steel (STS)). , or magnesium) may be formed by at least one or a combination of at least two.

According to various embodiments, the flexible display 400 crosses a hinge module (eg, the hinge module 140 of FIG. 1B ) from the first surface 111 of the first housing 110 to form the second housing 120 . It may be arranged to extend to at least a portion of the third surface 121 . For example, the flexible display 400 has a first area 130a substantially corresponding to the first surface 111 , a second area 130b corresponding to the second surface 121 , and a first area 130a . The third region 130c may be connected to the second region 130b and correspond to a hinge module (eg, the hinge module 140 of FIG. 1B ). According to an embodiment, the electronic device 100 may include a first protective cover 115 (eg, a first protective frame or a first decorative member) coupled along an edge of the first housing 110 . According to an embodiment, the electronic device 100 may include a second protective cover 125 (eg, a second protective frame or a second decorative member) coupled along an edge of the second housing 120 . According to one embodiment, the first protective cover 115 and/or the second protective cover 125 may be formed of a metal or a polymer material. According to one embodiment, the first protective cover 115 and/or the second protective cover 125 may be used as a decoration member. According to an embodiment, the flexible display 400 may be positioned such that an edge of the first region 130a is interposed between the first housing 110 and the first protective cover 115 . According to an embodiment, the flexible display 400 may be positioned such that an edge of the second region 130b is interposed between the second housing 120 and the second protective cover 125 . According to an embodiment, the flexible display 400 may be configured to have a protective cap 135 disposed in an area corresponding to a hinge module (eg, the hinge module 140 of FIG. 1B ) to provide a flexible display 400 corresponding to the protective cap. ) can be positioned to protect the edges. Accordingly, the edge of the flexible display 400 may be substantially protected from the outside. According to an embodiment, the electronic device 100 supports a hinge module (eg, the hinge module 140 of FIG. 1B ), is exposed to the outside when the electronic device 100 is in a folded state, and is in an unfolded state. , a hinge housing 141 that is placed invisibly from the outside by entering the first space (eg, the internal space of the first housing 110) and the second space (eg, the internal space of the second housing 120) (eg, the hinge housing 141) : hinge cover) may be included. In some embodiments, the flexible display 400 may be disposed to extend from at least a portion of the second surface 112 to at least a portion of the fourth surface 122 . In this case, the electronic device 100 may be folded to expose the flexible display 400 to the outside (out-folding method).

According to various embodiments, the electronic device 100 may include a sub-display 131 disposed separately from the flexible display 400 . According to one embodiment, the sub-display 131 is disposed to be at least partially exposed on the second surface 112 of the first housing 110 , thereby replacing the display function of the flexible display 400 when in a folded state. , status information of the electronic device 100 may be displayed. According to an embodiment, the sub-display 131 may be disposed to be visible from the outside through at least a partial area of the first rear cover 114 . In some embodiments, the sub-display 131 may be disposed on the fourth surface 122 of the second housing 120 . In this case, the sub-display 131 may be disposed to be visible from the outside through at least a partial area of the second rear cover 124 .

According to various embodiments, the electronic device 100 includes an input device 103 (eg, a microphone), sound output devices 101 and 102 , a sensor module 104 , camera devices 105 and 108 , and a key input device ( 106 ) or a connector port 107 . In the illustrated embodiment, an input device 103 (eg, a microphone), a sound output device 101 , 102 , a sensor module 104 , a camera device 105 , 108 , a key input device 106 or a connector port ( 107) refers to a hole or a shape formed in the first housing 110 or the second housing 120, but is disposed inside the electronic device 100 and a substantial electronic component operating through the hole or shape (eg: input device, sound output device, sensor module, or camera device).

According to various embodiments, the input device 103 may include at least one microphone 103 disposed in the second housing 120 . In some embodiments, the input device 103 may include a plurality of microphones 103 arranged to sense the direction of the sound. In some embodiments, the plurality of microphones 103 may be disposed at appropriate positions in the first housing 110 and/or the second housing 120 . According to an embodiment, the sound output apparatuses 101 and 102 may include speakers 101 and 102 . According to an embodiment, the speakers 101 and 102 may include the receiver 101 for calls disposed in the first housing 110 and the speaker 102 disposed in the second housing 120 . In some embodiments, the input device 103 , the sound output devices 101 , 102 , and the connector port 107 are provided in a space provided in the first housing 110 and/or the second housing 120 of the electronic device 100 . and may be exposed to the external environment through at least one hole formed in the first housing 110 and/or the second housing 120 . According to an embodiment, the at least one connector port 107 may be used to transmit/receive power and/or data to/from an external electronic device. In some embodiments, at least one connector port (eg, an ear jack hole) may accommodate a connector (eg, an ear jack) for transmitting and receiving audio signals to and from an external electronic device. In some embodiments, the holes formed in the first housing 110 and/or the second housing 120 may be commonly used for the input device 103 and the sound output devices 101 and 102 . In some embodiments, the sound output devices 101 and 102 may include a speaker (eg, a piezo speaker) that operates while excluding a hole formed in the first housing 110 and/or the second housing 120 . .

According to various embodiments, the sensor module 104 may generate an electrical signal or data value corresponding to an internal operating state of the electronic device 100 or an external environmental state. The sensor module 104 may detect the external environment, for example, through the first surface 111 of the first housing 110 . In some embodiments, the electronic device 100 may further include at least one sensor module disposed to detect an external environment through the second surface 112 of the first housing 110 . According to an embodiment, the sensor module 104 (eg, an illuminance sensor) may be disposed under the flexible display 400 to detect an external environment through the flexible display 400 . According to an embodiment, the sensor module 104 may include a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, and an illuminance sensor. , a proximity sensor, a biometric sensor, an ultrasonic sensor, or an illuminance sensor 104 may include at least one.

According to various embodiments, the camera devices 105 and 108 include a first camera device 105 (eg, a front camera device) and a first housing (eg, a front camera device) disposed on the first surface 111 of the first housing 110 . and a second camera device 108 disposed on the second surface 112 of 110 . The electronic device 100 may further include a flash 109 disposed near the second camera device 108 . According to one embodiment, the camera device 105 , 108 may include one or more lenses, an image sensor, and/or an image signal processor. The flash 109 may include, for example, a light emitting diode or a xenon lamp. According to an embodiment, the camera devices 105 and 108 have two or more lenses (eg, a wide-angle lens, an ultra-wide-angle lens, or a telephoto lens) and image sensors on one side (eg, a first side) of the electronic device 100 . 111), the second surface 112, the third surface 121, or the fourth surface 122). In some embodiments, the camera device 105 , 108 may include lenses and/or an image sensor for time of flight (TOF).

According to various embodiments, the key input device 106 (eg, a key button) may be disposed on the third side surface 113c of the first side frame 113 of the first housing 110 . In some embodiments, the key input device 106 may use at least one of the other sides 113a, 113b of the first housing 110 and/or the sides 123a, 123b, 123c of the second housing 120 . It can also be arranged on the side. In some embodiments, the electronic device 100 may not include some or all of the key input devices 106 and the not included key input devices 106 may be in another form, such as soft keys, on the flexible display 400 . may be implemented as In some embodiments, the key input device 106 may be implemented using a pressure sensor included in the flexible display 400 .

According to various embodiments, some of the camera devices 105 and 108 (eg, the first camera device 105 ) or the sensor module 104 may be disposed to be exposed through the flexible display 400 . For example, the first camera device 105 or the sensor module 104 may contact the external environment through an opening (eg, a through hole) at least partially formed in the flexible display 400 in the internal space of the electronic device 100 . It can be arranged so that In another embodiment, some sensor modules 104 may be arranged to perform their functions without being visually exposed through the flexible display 400 in the internal space of the electronic device 100 . For example, in this case, the opening of the area facing the sensor module of the flexible display 400 may not be necessary.

Referring to FIG. 2B , the electronic device 100 may be operated to maintain an intermediate state through a hinge module (eg, the hinge module 140 of FIG. 1B ). In this case, the electronic device 100 may control the flexible display 400 to display different contents in the display area corresponding to the first surface 111 and the display area corresponding to the third surface 121 . . According to an embodiment, the electronic device 100 uses a hinge module (eg, the hinge module 140 of FIG. 1B ) at a predetermined angle of inflection (eg, in an intermediate state, the first housing 110 and the second housing ( 120) based on the substantially unfolded state (eg, the unfolded state of FIG. 1A ) and/or the substantially folded state (eg, the folded state of FIG. 2A ). For example, the electronic device 100, through a hinge module (eg, the hinge module 140 of FIG. 1B ), in a state in which it is unfolded at a predetermined inflection angle, when a pressing force is provided in the unfolding direction (B direction), It may be operated to transition to an unfolded state (eg, an unfolded state of FIG. 1A ). For example, when a pressing force is applied to the electronic device 100 in a folding direction (C direction) in a state in which the electronic device 100 is unfolded at a predetermined inflection angle through a hinge module (eg, the hinge module 140 of FIG. 1B ) , may be operated to transition to a closed state (eg, the folded state of FIG. 2A ). In an embodiment, the electronic device 100 may be operated to maintain an unfolded state (not shown) at various angles through a hinge module (eg, the hinge module 140 of FIG. 1B ).

According to various embodiments, the electronic device 100 may include a structure in which an electronic pen can be attached (or accommodated). For example, the electronic device 100 may include a storage space capable of accommodating the electronic pen. As another example, the electronic device 100 may include at least one magnetic material in a position adjacent to the attachment region so that the electronic pen can be attached to the outside of the housing. The electronic pen may be attached to the outside of the housing of the electronic device 100 through at least one magnetic material. In some embodiments, the electronic device may further include a detection circuit capable of detecting whether the electronic pen is attached (or accommodated). In this case, the electronic device may detect whether the electronic pen is attached by detecting a resonance circuit generated from the electronic pen. In some embodiments, the electronic device may include a magnetic force detecting sensor (eg, a hall sensor or a magnetic reed switch) therein, and detect whether the electronic pen is attached by detecting a magnetic material included in the electronic pen.

3 is an exploded perspective view of the flexible display 400 according to various embodiments of the present disclosure.

The display (eg, the flexible display 400) according to exemplary embodiments of the present invention may include an unbreakable (UB) type OLED display (eg, a curved display). However, the present invention is not limited thereto, and the flexible display 400 may include an on cell touch active matrix organic light-emitting diode (AMOLED) type flat type display.

Referring to FIG. 3 , the flexible display 400 includes a window layer 410 , a polarizer (POL) 420 (eg, a polarizing film) sequentially disposed on the rear surface of the window layer 410 , and a display panel. 430 , a polymer layer 440 , a metal sheet layer 450 , and a digitizer 460 may be included. In some embodiments, the display may further include a metal reinforcing plate 470 disposed under the metal sheet layer 450 . According to one embodiment, the window layer 410 may include a glass layer. According to an embodiment, the window layer 410 may include ultra thin glass (UTG). In some embodiments, the window layer 410 may include a polymer. In this case, the window layer 410 may include polyethylene terephthalate (PET) or polyimide (PI). In some embodiments, a plurality of window layers 410 may be disposed. In some embodiments, the window layer 410 may be provided with an adhesive having a weaker adhesive force or a thinner thickness than the adhesive of the other layers to be well separated from the other layers. In some embodiments, the window layer 410 may further include various coating layers formed on at least a portion of at least one of the upper surface, the lower surface, and the side surface.

According to various embodiments, the window layer 410 , the polarization layer 420 , the display panel 430 , the polymer layer 440 , the metal sheet layer 450 , and the digitizer 460 may include a first housing (eg, FIG. 1A ). of the first housing 110) of the first surface (eg, the first surface 111 of FIG. 1A ) and the third surface of the second housing (eg, the second housing 120 of FIG. 1A ) (eg, in FIG. 1A ) It may be disposed to cross at least a portion of the third surface 121 of 1a. According to one embodiment, the window layer 410 , the polarizing layer 420 , the display panel 430 , the polymer layer 440 , the metal sheet layer 450 and the digitizer 460 may include adhesives P1 , P2 , P3 , P4) (or adhesive) to each other. For example, the adhesives P1 , P2 , P3 , and P4 may include at least one of an optical clear adhesive (OCA), a pressure sensitive adhesive (PSA), a heat-reactive adhesive, a general adhesive, and a double-sided tape.

According to various embodiments, the display panel 430 may include a plurality of pixels. According to an embodiment, the polarization layer 420 may selectively pass light generated from the light source of the display panel 430 and vibrating in a predetermined direction. According to an embodiment, the display panel 430 and the polarization layer 420 may be integrally formed. According to an embodiment, the flexible display 400 may include a touch panel (not shown). Although not shown, the display panel 430 may include a control circuit. According to an embodiment, the control circuit may include a display driver IC (DDI) and/or a touch display driver IC (TDDI) arranged in a chip on panel (COP) or chip on film (COF) manner.

According to various embodiments, the polymer layer 440 is disposed under the display panel 430 to provide a dark background for securing visibility of the display panel 430 and may be formed of a buffer material for a buffering action.

According to various embodiments, the metal sheet layer 450 may provide bending characteristics to the flexible display 400 . For example, the metal sheet layer 450 may have a first flat portion (eg, a first surface 111 of FIG. 1A ) of the first housing (eg, the first housing 110 of FIG. 1A ) corresponding to the first surface (eg, the first surface 111 of FIG. 1A ). 451), the second flat portion 452 corresponding to the third surface (eg, the third surface 121 of FIG. 1A) of the second housing (eg, the second housing 120 of FIG. 1A) and the hinge module ( Example: A bendable portion 453 corresponding to the hinge module 140 of FIG. 1B ) and connecting the first flat portion 451 and the second flat portion 452 may be included.

According to various embodiments, the metal sheet layer 450 may be formed so that the digitizer 460 disposed thereunder has a structure for recognizing an external electronic pen through the metal sheet layer 450 . According to one embodiment, in the metal sheet layer 450 , the digitizer 460 disposed thereunder is external to the foldable electronic device (eg, the foldable electronic device 100 of FIG. 1A ) of the flexible display 400 . It may have a pattern structure capable of passing a magnetic field for detecting the contact or proximity to the outer surface. According to an embodiment, the bendable portion 453 includes a first pattern (eg, a first pattern of FIG. 4B ) including a first plurality of openings (eg, a first plurality of openings 4541 of FIG. 4B ). (454)). According to an embodiment, the first planar part 451 and the second planar part 452 may include a second pattern including a plurality of second openings (eg, the second plurality of openings 4551 of FIG. 4C ). (eg, the second pattern 455 of FIG. 4C ). According to an embodiment, a first plurality of openings (eg, the first plurality of openings of FIG. 4B ) of a first pattern (eg, the first pattern 454 of FIG. 4B ) formed in the bendable portion 453 . Reference numeral 4541 ) may be formed in a shape in which the digitizer 460 detects a wireless signal (eg, a resonance frequency) of the electronic pen and determines a bending characteristic of the flexible display 400 . According to one embodiment, the second plurality of openings (eg, the second pattern 455 of FIG. 4C ) formed in the first flat portion 451 and the second flat portion 452 . The second plurality of openings 4551 of FIG. 4C ) have a shape in which the digitizer 460 detects a radio frequency (eg, a resonance frequency) of the electronic pen and has a rigid support structure for supporting the flexible display 400 . can be formed. According to an exemplary embodiment, the metal sheet layer 450 may include one of steel use stainless (SUS) (eg, stainless steel (STS)), Cu, Al, or metal CLAD (eg, a stacking member in which SUS and Al are alternately disposed). It may include at least one. In some embodiments, the metal sheet layer 450 may include other alloy materials. In some embodiments, the metal sheet layer 450 can help reinforce the stiffness of an electronic device (eg, the electronic device 100 of FIG. 1A ), shield ambient noise, and prevent heat dissipation from surrounding heat dissipating components. It can be used to dissipate heat.

According to various embodiments, the digitizer 460 may include a detection member that is disposed under the metal sheet layer 450 and receives an input of an electronic pen (eg, a stylus). For example, the digitizer 460 may include, as a detection member, a coil member disposed on a dielectric substrate to detect a resonance frequency of an electromagnetic induction method applied from the electronic pen. For example, when an AC voltage is applied through the coil member of the digitizer 460, a magnetic field is formed, and a current flows according to the electromagnetic induction law of the internal coil of an adjacent electronic pen to form a resonance frequency through the pen internal circuit, and the digitizer 460 may recognize this.

According to various embodiments, the flexible display 400 is disposed between the polymer layer 440 and the metal sheet layer 450 , between the digitizer 460 and the metal sheet layer 450 , and/or under the metal sheet layer 450 . At least one functional member (not shown) may be included. According to an embodiment, the functional member may include a graphite sheet for heat dissipation, an added display, a poster touch FPCB, a fingerprint sensor FPCB, an antenna radiator for communication, a conductive/non-conductive tape, or an open cell sponge. According to one embodiment, when bending is impossible, the functional member may be individually attached to a first housing (eg, the first housing 110 in FIG. 1A ) and a second housing (eg, the second housing 120 in FIG. 1A )). may be placed. According to an embodiment, when the functional member is bendable, the second housing through the hinge module (eg, the hinge module 140 of FIG. 1B ) from the first housing (eg, the first housing 110 of FIG. 1A ). (eg, the second housing 120 of FIG. 1A ) may be disposed up to at least a portion.

According to various embodiments, an electronic device (eg, the electronic device 100 of FIG. 1A ) is disposed under the flexible display 400 , and a camera device (eg, FIG. 1A ) detects an external environment through the flexible display 400 . of the first camera device 105). In some embodiments, the electronic device (eg, the electronic device 100 of FIG. 1A ) includes at least one sensor module (eg, the sensor module 104 of FIG. 1A ) disposed below the flexible display 400 (eg, illuminance) sensor, proximity sensor, or TOF sensor). According to one embodiment, the polarizing layer 420, the display panel 430, the polymer layer 440, the digitizer 460, and the metal sheet layer 450 are disposed thereunder in a camera device (eg, in FIG. 1A ). Through-holes 4201 , 4301 , 4401 , 4501 , and 4601 formed at corresponding positions for detecting an external environment through the first camera device 105 ) may be included. In some embodiments, the through-holes 4201 and 4301 may be unnecessary in the display panel 430 and/or the polarization layer 420 by adjusting the transmittance of the corresponding area. According to another embodiment, the size of the through-holes 4201 , 4301 , 4401 , 4501 , 4601 is the size of the camera device (eg, the first camera device 105 of FIG. 1A ), and/or the size of the camera device (eg: It may be formed based on the angle of view of the first camera device 105 of FIG. 1A , and the sizes of the respective through holes 4201 , 4301 , 4401 , 4501 and 4601 may be different from each other.

According to various embodiments, the reinforcing plate 470 may be formed of a metal material, and the first reinforcing plate 471 and the metal sheet layer 450 facing the first flat portion 451 of the metal sheet layer 450 . ) may include a second reinforcing plate 472 facing the second flat portion 452.

4A is a diagram illustrating a configuration of a metal sheet layer 450 according to various embodiments of the present disclosure. 4B is an enlarged view of area 4B of FIG. 4A according to various embodiments of the present disclosure; 4C is an enlarged view of area 4C of FIG. 4A according to various embodiments of the present disclosure;

4A to 4C , the metal sheet layer 450 is disposed on the first housing (eg, the first housing 110 of FIG. 1B ) of the foldable electronic device (eg, the electronic device 100 of FIG. 1B ). The first flat portion 451 facing the corresponding first region (eg, the first region 130a of FIG. 1B ) and the second housing corresponding to the second housing (eg, the second housing 120 of FIG. 1B )) 2nd area (eg, the second planar portion 452 facing the second area 130b of FIG. 1B ) and a third area corresponding to the hinge module (eg, the hinge module 140 of FIG. 1B ) (eg: A bendable portion 453 facing the third region 130c of FIG. 1B may be included. According to an embodiment, the bendable portion 453 may include a first pattern 454 including a first plurality of openings 4541 . According to an embodiment, the plurality of first openings 4541 of the first pattern 454 may have a shape, an arrangement structure, and an arrangement density that may determine the bending characteristic of the flexible display 400 . For example, as shown, each of the first plurality of openings 4541 has a first length H1 along the folding axis (A axis) and has a first width W1 smaller than the first length H1. and may be formed of a slit having a first interval D1 designated with respect to each other. According to one embodiment, the bendable portion 453 provides elastic force and flexural properties through the first pattern 454 and simultaneously transmits a wireless signal from an external electronic pen to a digitizer (eg, digitizer 460 in FIG. 3 ). can lead to detection.

According to various embodiments, the metal sheet layer 450 may include a plurality of bendable portions 453 . According to an embodiment, the number of bendable parts 453 may be determined based on the number of hinge modules included in the electronic device.

According to various embodiments, the first planar part 451 and the second planar part 452 may include a second pattern 455 including a plurality of second openings 4551 . According to an embodiment, the plurality of second openings 4551 of the second pattern 455 may have a shape and/or arrangement structure capable of providing rigidity characteristics for supporting the flexible display 400 . For example, as shown, each of the second plurality of openings 4551 has a second length H2 along the folding axis (axis A) and has a second width W2 smaller than the second length H2. and may be formed of a slit having a second interval D2 designated with respect to each other. According to one embodiment, the first flat portion 451 and the second flat portion 452 provide rigidity for supporting the flexible display 400 through the second pattern 455 and, at the same time, The radio signal may be induced to be detected by a digitizer (eg, the digitizer 460 of FIG. 3 ).

According to various embodiments, the first pattern 454 including the first plurality of openings 4541 transmits a first aperture ratio (eg, aperture ratio per unit area) for providing a bending characteristic and a wireless signal emitted from the electronic pen. It may be formed to have an effective signal transfer rate (eg, a signal transfer rate of about 70% or more) that can be transmitted to a digitizer (eg, the digitizer 460 of FIG. 3 ). According to an embodiment, the second pattern 455 including the second plurality of openings 4551 is effective to transmit a wireless signal emitted from the electronic pen to a digitizer (eg, the digitizer 460 of FIG. 3 ). It may be formed to satisfy the signal transmission rate. According to an embodiment, when the effective signal transmission rate is satisfied, the second pattern 455 may be formed to have a second aperture ratio (eg, aperture ratio per unit area) lower than the first aperture ratio. This may be because the first flat portion 451 and the second flat portion 452 provided with the second pattern 455 require high rigidity to support the flexible display 400 . For example, when the unit opening 4541 of the first pattern 454 and the unit opening 4551 of the second pattern 455 have the same shape, the first length H1 is greater than the second length H2. Alternatively, the first width W1 may be formed to be larger than the second width W2 , or the first interval D1 may be formed to be smaller than the second interval D2 . In some embodiments, the first plurality of openings 4541 of the first pattern 454 may be formed in various shapes to provide the bending characteristics of the bendable portion 453 . In some embodiments, the second plurality of openings 4551 of the second pattern 455 do not take into account the bending characteristic and satisfy the effective signal transmission rate and have a lower first opening ratio than the first opening ratio of the first pattern 454 . It can be formed in various shapes that can have a two-aperture ratio. In some embodiments, the second plurality of openings 4551 of the second pattern 455 may have a different shape, different spacing, and/or different arrangement than the first plurality of openings 4541 of the first pattern 454 . It can be formed to have. In some embodiments, the second pattern 455 includes a plurality of second openings 4551 corresponding to the first planar part 451 and a second plurality of openings corresponding to the second planar part 452 ( 4551) may be formed differently.

5 is a partial cross-sectional view of the flexible display 400 taken along line 5-5 of FIG. 1A according to various embodiments of the present disclosure. 6 is a view illustrating a folded state of the flexible display 400 according to various embodiments of the present disclosure.

Referring to FIG. 5 , the flexible display 400 includes a display panel 430 , a polymer layer 440 , a metal sheet layer 450 , a digitizer 460 and reinforcement sequentially disposed under the display panel 430 . Plates 471 and 472 may be included. According to an embodiment, the flexible display 400 includes a first surface (eg, the first housing 110 of FIG. 1A ) of the first housing of the electronic device (eg, the electronic device 100 of FIG. 1A ). 1A) and a third surface (eg, third surface 121 of FIG. 1A) of the second housing (eg, second housing 120 of FIG. 1A). It can be arranged to According to an embodiment, the polymer layer 440 may include a cushion layer 441 and a first layer 442 and a second layer 443 stacked with the cushion layer 441 interposed therebetween. According to an embodiment, the polymer layer 440 may include a plurality of first openings 4541 formed of the first pattern 454 of the metal sheet layer 450 and a plurality of second openings formed of the second pattern 455 of the metal sheet layer 450 . Stacking for blocking the inflow of foreign substances through the fields 4551 and preventing recognition of the folding boundary area of the flexible display 400 according to the folding and unfolding operation of the flexible display 400 in the bendable portion 453 can have a structure. According to one embodiment, the cushion layer 441 may be formed of a material for cushioning (eg, sponge or poron). According to one embodiment, the first layer 442 disposed on the cushion layer 441 and the second layer 443 disposed under the cushion layer 441 are a material for improving surface quality (improving visibility). (eg TPU).

According to various embodiments, the display panel 430 , the polymer layer 440 , the metal sheet layer 450 , and the digitizer 460 may be attached to each other through adhesives P2 , P3 , and P4 . For example, the adhesives P2 , P3 , and P4 may include at least one of an optical clear adhesive (OCA), a pressure sensitive adhesive (PSA), a heat-responsive adhesive, a general adhesive, and a double-sided tape. According to an embodiment, the first reinforcing plate 471 may include at least a portion of the first flat portion 451 and the bendable portion 453 of the metal sheet layer 450 when the display panel 430 is viewed from above. In a region corresponding to , it may be attached to the digitizer 460 through the adhesive member P5 . According to an embodiment, the second reinforcing plate 472 may include at least a portion of the second flat portion 452 and the bendable portion 453 of the metal sheet layer 450 when the display panel 430 is viewed from above. In a region corresponding to , it may be attached to the digitizer 460 through the adhesive member P5 . According to an embodiment, the first reinforcing plate 471 may be attached to the first housing of the electronic device (eg, the first housing 110 of FIG. 1A ) through another adhesive member. According to an embodiment, the second reinforcing plate 472 may be attached to the second housing of the electronic device (eg, the second housing 120 of FIG. 1A ) through another adhesive member. According to one embodiment, another adhesive member may include a double-sided tape or a waterproof tape.

According to various embodiments, the digitizer 460 detects the wireless signal of the electronic pen received through the first pattern 454 formed in the bendable portion 453 of the metal sheet layer 450, and the flexible display 400 It can help determine the flexural properties of According to one embodiment, the digitizer 460 receives the wireless signal of the electronic pen through the second pattern 455 formed on the first flat portion 451 and the second flat portion 452 of the metal sheet layer 450 . , and may help reinforce rigidity for supporting the flexible display 400 .

Referring to FIG. 6 , the metal sheet layer 450 includes a first flat portion 451 at least partially attached to the first reinforcing plate 471 , and a second at least partially attached to the second reinforcing plate 472 . It may include a flat portion 452 and a bendable portion 453 that connects the first and second flat portions 452 and 452 and provides bending characteristics. According to an embodiment, the bendable portion 453 may include a first pattern 454 in which a plurality of first openings 4541 are formed. According to an embodiment, the first flat portion 451 and the second flat portion 452 may include a second pattern 455 in which a plurality of second openings 4551 are formed. According to one embodiment, when the display panel 430 is folded with a certain curvature in the folded state, the metal sheet layer 450 and the digitizer 460 disposed thereunder may also be folded together, and the first reinforcing plate ( 471) and the second reinforcing plate 472 are the first housing (eg, the first housing 110 in FIG. 1A ) and the second through the non-adhesive area formed from the center of the bendable portion 453 to a specified distance on both sides. The housing (eg, the second housing 120 of FIG. 1A ) may be disposed to spread from side to side.

7A to 7D are views illustrating the shapes of the second patterns 455 of the planar parts 451 and 452 of the metal sheet layer 450 according to various embodiments of the present disclosure.

Referring to FIG. 7A , the second pattern 455 disposed on the first flat portion 451 and the second flat portion 452 of the metal sheet layer (eg, the metal sheet layer 450 of FIG. 3 ) has a predetermined interval. may include circular openings 4552 arranged as According to one embodiment, the circular openings 4552 are provided to enhance the rigidity while satisfying the effective signal transmission rate between the electronic pen and the digitizer (eg, the digitizer 460 of FIG. 3 ) through the metal sheet layer 450 . It can have a size and layout structure. In some embodiments, the openings 4552 may be formed in an oval, square or polygonal shape other than circular. In some embodiments, the openings 4552 may be arranged in alternating shapes, either regularly or irregularly.

Referring to FIG. 7B , the second pattern 455 disposed on the first flat portion 451 and the second flat portion 452 of the metal sheet layer (eg, the metal sheet layer 450 of FIG. 3 ) has a predetermined interval. It may include slits 4553 having a length arranged as . In this case, the slits 4553 are filled with an elastic filling material 4553a (eg, silicone urethane or rubber), or an adhesive tape ( 4553b). In some embodiments, a fill material and/or adhesive tape may be applied to the plurality of openings 4552 of the circular or polygonal shape described above.

In some embodiments, a metal sheet layer (eg, the metal sheet layer 450 of FIG. 3 ) fills both the openings 4541 of the first pattern 454 and the openings 4551 of the second pattern 455 . The material may be filled. In this case, the modulus characteristics of the filling material filling the openings 4541 of the first pattern 454 and the filling material filling the openings 4551 of the second pattern 455 may be configured to be different from each other. For example, the filling material filled in the openings 4541 of the first pattern 454 may have a soft characteristic, thereby helping the bending characteristics, and the openings 4551 of the second pattern 455 may have a soft characteristic. The filling material filled in the material may help to reinforce the rigidity by having a relatively rigid characteristic. Referring to FIG. 7C , the preparation of the metal sheet layer (eg, the metal sheet layer 450 of FIG. 3 ) is The second pattern 455 disposed on the first planar part 451 and the second planar part 452 may include a plurality of openings 4554a and 4554b which are alternately disposed to have a length in a direction perpendicular to each other. can According to one embodiment, the plurality of openings 4554a and 4554b are a plurality of first openings ( 4554a), and the first plurality of openings 4554a are alternately arranged and have a length in a second direction (direction ②) perpendicular to the first direction (direction ①) (eg, the y-axis direction of FIG. 1A ). It may include a plurality of second openings (4554b) arranged to have a. Through alternating arrangement (cross arrangement) of the plurality of openings 4554a and 4554b in the longitudinal direction, the first planar portion 451 and the second planar portion 452 of the metal sheet layer 450 may be rigidly reinforced. This may help reduce the eddy current induced to the metal sheet layer 450 through the digitizer.

Referring to FIG. 7D , the second pattern 455 disposed on the first flat portion 451 and the second flat portion 452 of the metal sheet layer (eg, the metal sheet layer 450 of FIG. 3 ) is illustrated in FIG. 7C . In a similar manner to , the plurality of openings 4555a and 4555b may be disposed in a direction perpendicular to each other to alternately have a length. According to one embodiment, the plurality of openings 4555a and 4555b are formed in an 'I' shape, thereby increasing the opening ratio while maintaining the rigidity of the first flat portion 451 and the second flat portion 452, It is possible to increase the signal transmission rate through the digitizer.

According to various embodiments, the first planar portion 451 and the second planar portion 452 of the metal sheet layer 450 may have a width, length and/or shape of the plurality of openings 4554a, 4554b, 4555a, 4555b. Accordingly, the aperture ratio and/or the signal transmission ratio of the digitizer 460 may be determined.

8A is a partial cross-sectional view of a flexible display 400 including two digitizers 460a and 460b according to various embodiments of the present disclosure. 8B is a diagram of a foldable electronic device 100 according to various embodiments of the present disclosure.

In the description of FIGS. 8A and 8B , detailed descriptions of components substantially the same as those shown in FIG. 5 may be omitted.

Referring to FIG. 8A , an electronic device (eg, the electronic device 100 of FIG. 8B ) may include a flexible display 400 . According to an embodiment, the flexible display 400 includes a display panel 430 , a polymer layer 440 sequentially disposed under the display panel 430 , a metal sheet layer 450 , and a pair of digitizers 460 . ) and reinforcing plates 471 and 472 may be included. According to an embodiment, the flexible display 400 includes a first housing (eg, the first housing 110 of FIG. 8B ) and a second housing (eg, the electronic device 100 of FIG. 8B ) of the electronic device (eg, the electronic device 100 of FIG. 8B ). At least a portion of the second housing 120 of FIG. 8B may be supported.

According to various embodiments, when the display panel 430 is viewed from above, the pair of digitizers 460a and 460b include the first flat portion 451 and the bendable portion 453 of the metal sheet layer 450 . The first digitizer 460a attached to the metal sheet layer through the adhesive member P5 at a position overlapping at least a partial region, the second flat portion 452 and the bendable portion 453 of the metal sheet layer 450 ) may include a second digitizer 460b attached to the metal sheet layer 450 through the adhesive member P5 at a position overlapping at least a partial region. According to one embodiment, in the central region of the bendable portion 453 , the digitizers 460a and 460b are divided into a first digitizer 460a and a second digitizer 460b having a separation space 4602, so that the spaced apart space Through 4602 , the metal sheet layer 450 may help bend characteristics of the flexible display 400 .

According to various embodiments, the electronic device (eg, the processor) (eg, the electronic device 100 of FIG. 8A ) may display the electronic pen in a space 4602 between the first digitizer 460a and the second digitizer 460b. Since the coordinates cannot be detected, the input coordinates of the electronic pen may be set to be predicted through an interpolation method in consideration of the last recognized coordinates, input speed, and/or angle.

Referring to FIG. 8B , the electronic device (processor) (eg, the electronic device 100 of FIG. 8B ) measures the coordinates of the electronic pen in a space 4602 between the first digitizer 460a and the second digitizer 460b. Since it cannot be detected, it may be set to display an unrecognized electronic pen guide object 401 on a display area corresponding to the corresponding space 4602 in order to guide the user. The non-recognized electronic pen guide object 401 may include a spring image of a spring note in which writing cannot be performed or an image of a binding area.

9A is a partial cross-sectional view of a flexible display 400 including a digitizer 460 having a stepped area 4603 according to various embodiments of the present disclosure. 9B is a partial configuration diagram of a digitizer 460 having a stepped area 4603 according to various embodiments of the present disclosure.

In the description of FIGS. 9A and 9B , detailed descriptions of components substantially the same as those shown in FIG. 5 may be omitted.

Referring to FIG. 9A , the flexible display 400 includes a display panel 430 , a polymer layer 440 sequentially disposed under the display panel 430 , a metal sheet layer 450 , a digitizer 460 , and reinforcement. Plates 471 and 472 may be included. According to an embodiment, the flexible display 400 includes a first housing (eg, the first housing 110 of FIG. 1A ) and a second housing (eg, the electronic device 100 of FIG. 1A ) of the electronic device (eg, the electronic device 100 of FIG. 1A ). At least a portion of the second housing 120 of FIG. 1A may be supported.

According to various embodiments, the digitizer 460 has a thickness in a region overlapping with at least a portion of the bendable portion 453 of the metal sheet layer 450 when the display panel 430 is viewed from the first plane. It may include a stepped region 4603 formed to be thinner than the thicknesses of the portion 451 and the second planar portion 452 . According to one embodiment, the step region 4603 formed in the digitizer including the central region of the bendable portion 453 may help the bending characteristic of the flexible display 400 through the metal sheet layer 450 .

Referring to FIG. 9B , the digitizer 460 may include a dielectric substrate 461 (eg, a dielectric film) and a coil member 462 (eg, a Cu pattern) disposed on the dielectric substrate 461 . According to an embodiment, the coil member 462 includes a first conductive pattern 4621 and a first conductive pattern 4621 that are spaced apart from each other in a first direction (eg, an x-axis direction) on the dielectric substrate 461 . It may include a second conductive pattern 4622 that intersects with and is spaced apart from each other at a specified interval in the second direction (eg, the y-axis direction). In some embodiments, the first conductive pattern 4621 and the second conductive pattern 4622 may vertically intersect. In some embodiments, the first conductive pattern 4621 and the second conductive pattern 4622 may cross each other at various angles. According to an embodiment, the first conductive pattern 4621 and the second conductive pattern 4622 may be electrically connected to form a magnetic field. According to an embodiment, the digitizer 460 may be formed such that only the second conductive pattern 4622 is disposed in the stepped region 4603 . In these cases. Since the digitizer 460 includes only the first conductive pattern 4621 in the stepped region 4603 , in the region corresponding to the bendable portion 453 of the metal sheet layer 450 , the thickness of the dielectric substrate 461 is may be formed thinner than the peripheral area. In some embodiments, the digitizer 460 may be formed to include only the second conductive pattern 4622 in the stepped region 4603 . In some embodiments, in the step region 4603 , the digitizer 460 is formed so that the disposition density of the first conductive pattern 4621 and the second conductive pattern 4622 is lower than that of the peripheral region, or the intersecting portion is formed to be smaller than that of the peripheral region. By reducing the thickness of the dielectric substrate 461 , it may help to improve the bending characteristics of the flexible display 400 .

10 is a partial cross-sectional view of a flexible display 400 including a digitizer 460 having a margin area 4604 in accordance with various embodiments of the present disclosure.

In the description of FIG. 10 , a detailed description of components substantially the same as those shown in FIG. 5 may be omitted.

Referring to FIG. 10 , the flexible display 400 includes a display panel 430 , a polymer layer 440 sequentially disposed under the display panel 430 , a metal sheet layer 450 , a digitizer 460 , and reinforcement. Plates 471 and 472 may be included. According to an embodiment, the flexible display 400 includes a first housing (eg, the first housing 110 of FIG. 1A ) and a second housing (eg, the electronic device 100 of FIG. 1A ) of the electronic device (eg, the electronic device 100 of FIG. 1A ). At least a portion of the second housing 120 of FIG. 1A may be supported.

According to various embodiments, when the display panel 430 is viewed from above, the digitizer 460 may adhere to at least a portion of the bendable portion 453 of the metal sheet layer 450 in a region overlapping with the peripheral region, unlike the peripheral region. It is not attached to the metal sheet layer 450 through the layer P4 and may include a margin region 4604 formed to be larger than the display panel 430 . According to one embodiment, the margin region 4604 formed in the digitizer 460 including the central region of the bendable portion 453 provides a free space that is not attached to the metal sheet layer 450 , thereby providing the flexible display 400 . ) can help with the flexural properties.

11 is a partial configuration diagram of a digitizer 460 having a bendable pattern region 4605 according to various embodiments of the present disclosure.

In the description of FIG. 11 , a detailed description of components substantially the same as those illustrated in FIG. 9B may be omitted.

Referring to FIG. 11 , the digitizer 460 may include a dielectric substrate 461 (eg, a dielectric film) and a coil member 462 (eg, a Cu pattern) disposed on the dielectric substrate 461 . According to an embodiment, the coil member 462 includes a first conductive pattern 4621 and a first conductive pattern 4621 spaced apart from each other at a predetermined interval in a first direction (eg, an x-axis direction) in the dielectric substrate 461 . ) and may include a second conductive pattern 4622 spaced apart from each other in a second direction (eg, a y-axis direction). According to one embodiment, the dielectric substrate 461 may include a bendable pattern region 4605 corresponding to the bendable portion 453 of the metal sheet layer 450 . According to an embodiment, the second conductive pattern 4622 may be disposed in a wave shape in the bendable pattern region 4605 . For example, the second conductive pattern 4622 is disposed in a bendable pattern region 4605 of the digitizer 460 to have a zigzag wave shape while proceeding in a direction perpendicular to the folding axis A, thereby making the flexible display possible. It may help to improve the flexural properties of (400).

12 is a partial configuration diagram of a digitizer 460 having a third pattern 4606 according to various embodiments of the present disclosure.

In the description of FIG. 12 , a detailed description of components substantially the same as those shown in FIG. 11 may be omitted.

12 , the digitizer 460 may include a dielectric substrate 461 (eg, a dielectric film) and a coil member 462 (eg, a Cu pattern) disposed on the dielectric substrate 461 . According to an embodiment, the dielectric substrate 461 may include a bendable pattern region 4606 disposed in a region corresponding to the bendable portion 453 of the metal sheet layer 450 . According to one embodiment, the digitizer 460 may include a plurality of openings 4606a disposed in the bendable pattern region 4606 and formed to have a length along the folding axis A. As shown in FIG. According to an embodiment, the digitizer 460 may help improve the bending characteristics of the flexible display 400 through the plurality of openings 4606a disposed in the bendable pattern region 4606 . According to an embodiment, the coil member 462 includes a first conductive pattern 4621 and a first conductive pattern 4621 spaced apart from each other at a predetermined interval in a first direction (eg, an x-axis direction) in the dielectric substrate 461 . ) and may include a second conductive pattern 4622 spaced apart from each other in a second direction (eg, a y-axis direction). According to an exemplary embodiment, the first conductive pattern 4621 and the second conductive pattern 4622 may be disposed in the bendable pattern region in a manner to avoid the plurality of openings 4606a. In some embodiments, the plurality of openings 4606a disposed in the bendable pattern area 4606 may have a variety of modified shapes and/or arrangement structures that may aid in the bending characteristics of the flexible display 400 . .

13A and 13B are diagrams illustrating shapes of a plurality of openings 4606b and 4606c disposed in a bendable pattern area of a digitizer 460 according to various embodiments of the present disclosure.

Referring to FIG. 13A , the digitizer 460 includes a plurality of openings 4606b disposed in the bendable pattern region (eg, the bendable pattern region 4605 of FIG. 11 or the bendable pattern region 4606 of FIG. 12 ). may include According to one embodiment, the plurality of openings 4606b are formed in a longitudinal direction (eg, in FIG. 12 ) in a bendable pattern region (eg, bendable pattern region 4605 of FIG. 11 or bendable pattern region 4606 of FIG. 12 ). 11 or 12 in a direction parallel to the folding axis A) may be formed in a rectangular shape having a length.

Referring to FIG. 13B , the digitizer 460 includes a plurality of openings 4606c disposed in the bendable pattern region (eg, the bendable pattern region 4605 of FIG. 11 or the bendable pattern region 4606 of FIG. 12 ). may include According to one embodiment, the plurality of openings 4606c is a rhombus-shaped opening disposed in a bendable pattern region (eg, bendable pattern region 4605 of FIG. 11 or bendable pattern region 4606 of FIG. 12 ). 4606c may be included. In some embodiments, the plurality of openings disposed in the bendable pattern region (eg, bendable pattern region 4605 of FIG. 11 or bendable pattern region 4606 of FIG. 12 ) are formed in various shapes other than a rectangular or rhombic shape. it might be

14 is a partial cross-sectional view of a flexible display including two digitizers according to various embodiments of the present disclosure.

Referring to FIG. 14 , the flexible display 400 includes a display panel 430 , a polymer layer 440 , a metal sheet layer 450 , and a pair of digitizers sequentially disposed under the display panel 430 . 481 and 482 (eg, a pair of digitizers 460a and 460b of FIG. 8A ). According to an embodiment, the flexible display 400 includes a first surface (eg, the first housing 110 of FIG. 1A ) of the first housing of the electronic device (eg, the electronic device 100 of FIG. 1A ). 1A) and a third surface (eg, third surface 121 of FIG. 1A) of the second housing (eg, second housing 120 of FIG. 1A). It can be arranged to According to one embodiment, the polymer layer 440 blocks the inflow of foreign substances through the first pattern 454 and the second pattern 455 of the metal sheet layer 450 , and in the bendable portion 453 , the flexible display It may have a stacked structure for preventing recognition of the folding boundary area of the flexible display 400 according to the folding and unfolding operation of 400 .

According to various embodiments, the display panel 430 , the polymer layer 440 , the metal sheet layer 450 , and the digitizers 481 and 482 may be attached to each other through adhesives P2 , P3 , and P4 . . For example, the adhesives P2 , P3 , and P4 may include at least one of an optical clear adhesive (OCA), a pressure sensitive adhesive (PSA), a heat-responsive adhesive, a general adhesive, and a double-sided tape.

According to various embodiments, the pair of digitizers 481 and 482 are substantially disposed at positions corresponding to the first housing (eg, the first housing 110 of FIG. 1A ) with respect to the folding axis A. The first digitizer 481 and the second housing (eg, the second housing 120 of FIG. 1A ) may include a second digitizer 482 disposed at a corresponding position. According to one embodiment, the first digitizer 481 may be disposed at a position overlapping with at least a portion of the first flat portion 451 and the bendable portion 453 when the metal sheet layer 450 is viewed from above. can According to one embodiment, the second digitizer 482 may be disposed at a position overlapping with at least a portion of the second flat portion 452 and the bendable portion 453 when the metal sheet layer 450 is viewed from above. can According to one embodiment, the first digitizer 481 and the second digitizer 482 may be disposed to be spaced apart from each other at a predetermined interval based on the folding axis A. According to an embodiment, the first digitizer 481 and the second digitizer 482 are a substrate including a controller disposed in the first housing 110 or the second housing 120 (eg, the substrate 315 of FIG. 21 ). )) (eg printed board assembly (PBA)).

According to various embodiments, the flexible display 400 includes a bending portion 432 extending from the display panel 430 and a flexible substrate 433 electrically connected to the bending portion 432 (eg, flexible printed circuit board (FPCB)). )) may be included. In some embodiments, the flexible display 400 may further include a bending protection layer (eg, a bending protection layer (BPL)) laminated on the outer surface of the bending portion 432 to protect the bending portion 432 . . According to an embodiment, the bending part 432 may be disposed in such a way that it is bent after extending from the display panel 430 and attached to the rear surface of the flexible display 400 . According to an embodiment, the bending unit 432 includes a control circuit 4321 (eg, a display driver IC (DDI)) for controlling driving of the flexible display 400 and a plurality of electrical devices (not shown). can do. According to one embodiment, after the bending part 432 is bent, it may be attached to the rear surface of the second digitizer 482 through the first tape member 432a, and the flexible substrate 433 is also a second tape member ( 433a) may be attached to the rear surface of the second digitizer 482 . In some embodiments, the bending part 432 and the flexible substrate 433 may be attached to the rear surface of the first digitizer 481 through bending after extending from the display panel.

According to various embodiments, the metal sheet layer 450 disposed under the display panel 430 is electrically connected to a ground G of an electronic device (eg, the electronic device 100 of FIG. 1A ), thereby forming the flexible display. It can help to prevent malfunctions (eg, flicker). For example, the metal sheet layer 450 may be disposed between the display panel 430 and the digitizers 481 and 482 in a floating state. According to exemplary embodiments of the present invention, the metal sheet layer 450 includes a floating ground pattern 4814 (eg, a conductive pattern) and a first electrical connection member 4814a disposed in a stacked structure of the digitizer 481 . by being electrically connected to the ground G of the electronic device using

15A is a block diagram of two digitizers of FIG. 14 according to various embodiments of the present disclosure; 15B is a partial cross-sectional view of a first digitizer taken along line 15b-15b of FIG. 15A in accordance with various embodiments of the present disclosure;

15A and 15B , at least one digitizer 481 and 482 disposed under the display panel 430 includes the first flat portion 451 and the bendable portion 453 of the metal sheet layer 450 . The first digitizer 481 and the first digitizer 481 are spaced apart from each other and disposed to correspond to at least a portion, and at least a portion of the second flat portion 452 and the bendable portion 453 of the metal sheet layer 450 . It may include a second digitizer 482 disposed to correspond. According to one embodiment, the first digitizer 481 includes a first substrate surface 4801 facing the display panel 430 , a second substrate surface 4802 facing in a direction opposite to the first substrate surface 4801 , and the first A first dielectric substrate 4811 (eg, a first dielectric sheet) including a plurality of insulating layers disposed between the substrate surface 4801 and the second substrate surface 4802 may be included. According to an embodiment, the first digitizer 481 detects an input (eg, contact and/or proximity (eg, hovering)) of the electronic pen toward the display panel 430, the first digitizer 481 among the plurality of insulating layers. The first conductive patterns 4812 (eg, first coil patterns or first coils) disposed on the first insulating layer 4811a and the first conductive patterns 4812 (eg, first coil patterns or first coils) disposed between the first insulating layer 4811a and the second substrate surface 4802 It may include second conductive patterns 4813 (eg, second coil patterns or second coils) disposed on the second insulating layer 4811b. According to an embodiment, the first digitizer 481 may include a first extension portion 4816 (eg, a first FPCB) that is bendably extended from the first dielectric substrate 4811 or is separately attached. According to an embodiment, the first extension portion 4816 may provide a path through which the first conductive patterns 4812 and the second conductive patterns 4813 extend. Accordingly, the first digitizer 481 may be electrically connected to the substrate (eg, the substrate 315 of FIG. 21 ) including the controller disposed in the first housing or the second housing through the first extension. According to an embodiment, the substrate may be electrically connected to a device substrate (eg, a main substrate) of the electronic device. In some embodiments, when the substrate is placed in the second housing, the first extension 4816 must cross an area corresponding to the bendable portion 453 of the metal sheet layer 450, so it is formed to have sufficient flexibility. can be

According to various embodiments, the second digitizer 482 also includes third conductive patterns 4822 (eg, third coil patterns or third coils) and a fourth conductive pattern disposed on the second dielectric substrate 4821 . It may include the elements 4823 (eg, fourth coil patterns or fourth coils). According to an exemplary embodiment, the second digitizer 482 may also include a second extension portion 4826 (eg, a second FPCB) that is bendably extended from the second dielectric substrate 4821 or is separately attached. According to an embodiment, the second extension portion 4826 may provide a path through which the third conductive patterns 4822 and the fourth conductive patterns 4823 extend. Accordingly, the second digitizer 482 may be electrically connected to a board (eg, a printed circuit board (PBA)) including a controller disposed in the first housing or the second housing through the second extension part 4826 . In some embodiments, when the substrate is disposed in the first housing, the second extension 4826 must cross an area corresponding to the bendable portion 453 of the metal sheet layer 450, and thus is formed to have sufficient flexibility. can be According to an exemplary embodiment, after the first extension 4816 and the second extension 4826 are also bent, they may be attached to the rear surface of the flexible display 400 .

According to various embodiments, the first digitizer 481 is electrically connected to at least one ground pattern 4814 (eg, a floating dummy pattern) and a ground pattern 4814 disposed on the first insulating layer 4811a, and A first ground line 4816a extending to at least a portion of the first extension portion 4816 may be included. According to an embodiment, the at least one ground pattern 4814 may be disposed in the first insulating layer 4811a by utilizing a space between the first conductive patterns 4812 . According to an embodiment, at least a portion of the at least one ground pattern 4814 is formed by removing a cover layer (eg, some insulating layers including the first substrate surface 4801) thereon, thereby forming the first substrate surface ( 4801) may be disposed to be exposed. According to an embodiment, the ground pattern 4814 may be electrically connected to the first ground line 4816a of the first extension 4816 through a ground wire 4815 disposed on the first insulating layer 4811a. . In some embodiments, the at least one ground pattern 4814 may be disposed in an insulating layer between the first insulating layer 4811a and the first substrate surface 4801 among the plurality of insulating layers. In some embodiments, the at least one ground pattern 4814 may be disposed in such a way that it is exposed to the first substrate surface 4801 .

According to various embodiments, when the first digitizer 481 is disposed as a component of the flexible display 400, at least one ground pattern exposed through the first substrate surface 4801 of the first digitizer 481 ( 4814 may be electrically connected to the metal sheet layer 450 through the first electrical connection member 4814a. According to an embodiment, the first electrical connection member 4814a may include a conductive tape and/or a conductive adhesive. Accordingly, the metal sheet layer 450 is electrically connected to the ground G of the substrate including the controller through the first electrical connection member 4814a, at least one ground pattern 4814, and the first ground line 4816a. It may have a grounding structure. According to an embodiment, the substrate may be electrically connected to the ground G disposed on the device substrate of the electronic device.

In some embodiments, the same electrical grounding structure may be additionally included between the metal sheet layer 450 and the second digitizer 482 in the flexible display. In this case, when the electrical grounding structure between the first digitizer 481 and the metal sheet layer 450 is cut off, the ground G is used using an additional electrical grounding structure between the metal sheet layer 450 and the second digitizer 482 . ), it can help to reduce malfunction of the flexible display 400 .

In some embodiments, the grounding structure through the digitizer according to exemplary embodiments of the present invention includes a first housing, a second housing that is slidably disposed with the first housing at a specified reciprocating distance, and at least a part of the second housing A conductive bandable member (eg, a multi-bar assembly) connected to and at least partially accommodated into the interior space of the first housing in a retracted state, and disposed to receive support of at least a portion of the conductive bandable member and the second housing, It can also be applied to a slideable electronic device (eg, a rollable electronic device) including a flexible display in which a display area is changed according to a slide-in state and a slide-out state. have. In this case, the digitizer may be disposed between the conductive bendable member and the display panel, and the conductive bendable member may be electrically connected to the ground of the slideable electronic device through a ground structure of the digitizer.

16A is a block diagram of a first digitizer according to various embodiments of the present invention. 16B is an enlarged view of area 16B of FIG. 16A according to various embodiments of the present disclosure;

In describing the digitizers of FIGS. 16A and 16B , the same reference numerals as those of the digitizers of FIGS. 15A and 15B are given the same reference numerals, and a detailed description thereof may be omitted.

16A and 16B , the first digitizer 481 may include two ground patterns 4814 respectively disposed between the first conductive patterns 4812 . According to an embodiment, the two ground patterns 4814 may be electrically connected through the connection pattern 4817 . According to an embodiment, the connection pattern 4817 may be electrically connected to the first ground line 4816a extending to at least a portion of the first extension part 4816 . According to one embodiment, the connection pattern 4817 is another insulating layer between the first insulating layer 4811a on which two ground patterns 4814 of the plurality of insulating layers are disposed and the first substrate surface 4801 . It may be disposed on the layer and may be electrically connected to the two ground patterns 4814 through conductive vias. In some embodiments, the at least one ground pattern may include three or more ground patterns, and may be electrically connected to each other through the at least one connection pattern. For example, application of two or more ground patterns 4814 may be advantageous when a space for applying one ground pattern between the first conductive patterns 4812 is insufficient, and the metal sheet layer 450 and the first digitizer It may be advantageous to provide an improved degree of connection freedom of the first electrical connection member 4814a between the 481 .

17 to 19 are partial cross-sectional views of flexible displays according to various embodiments of the present disclosure.

In describing the flexible display 400 of FIGS. 17 to 19 , the same reference numerals are given to the same components as those of the flexible display of FIG. 14 , and a detailed description thereof may be omitted.

Referring to FIG. 17 , the flexible display 400 is spaced apart from the first reinforcing plate 471 and the first reinforcing plate 471 disposed under the first digitizer 481 , and under the second digitizer 482 . It may include a second reinforcing plate 472 disposed. According to an embodiment, the first reinforcing plate 471 may include at least a portion of the first flat portion 451 and the bendable portion 453 of the metal sheet layer 450 when the display panel 430 is viewed from above. In a region corresponding to , it may be attached under the first digitizer 481 through the adhesive member P5 . According to an embodiment, the second reinforcing plate 472 may include at least a portion of the second flat portion 452 and the bendable portion 453 of the metal sheet layer 450 when the display panel 430 is viewed from above. In a region corresponding to , it may be attached under the second digitizer 482 through the adhesive member P5 . According to an embodiment, the first reinforcing plate 471 may be attached to the first housing of the electronic device (eg, the first housing 110 of FIG. 1A ) through another adhesive member. According to an embodiment, the second reinforcing plate 472 may be attached to the second housing of the electronic device (eg, the second housing 120 of FIG. 1A ) through another adhesive member. According to one embodiment, another adhesive member may include a double-sided tape or a waterproof tape.

According to various embodiments, the second reinforcing plate is connected to the bending portion extending from the display panel, and is attached to the rear surface of the second reinforcing plate through a flexible substrate (eg, FPCB) to the ground (G) can be electrically connected to. In this case, the second tape member may include a conductive tape.

According to various embodiments, the first reinforcing plate 471 is extended from the first digitizer 481, is bent, and then is attached to the rear surface of the first reinforcing plate 471. Through the first extension 4816 It may be electrically connected to the ground (G). For example, the first extension portion 4816 may include a portion in which at least a portion of the first ground line 4816a is exposed to the outside, and the exposed portion includes the first ground line 4816a and the first reinforcing plate 471 . It may be electrically connected to the first reinforcing plate 471 through the second electrical connection member 4816b disposed therebetween. According to an embodiment, the second electrical connection member 4816b may also include a conductive tape or a conductive adhesive. In some embodiments, the first extension portion 4816 may include a separate conductive pad exposed to the outside and electrically connected to the first ground line 4816a. In this case, a separate conductive pad may be in contact with the first reinforcing plate 471 through the second electrical connection member 4816b.

The metal sheet layer 450 according to an exemplary embodiment of the present invention includes at least one ground pattern 4814, a first electrical connection member 4814a, and a first extension portion 4816 disposed on the first digitizer 481. is electrically connected to the ground G through a first ground line 4816a of 4816b) to the ground G, and the second reinforcing plate 472 is electrically connected to the ground G through the flexible substrate 433 connected to the bending part 432, so the flexible display 400 ) can reduce the possibility of malfunction.

Referring to FIG. 18 , the flexible display 400 is disposed in a corresponding area from the first flat portion 451 to at least a portion of the second flat portion 452 through the bendable portion 453 under the metal sheet layer. One digitizer 480 (eg, the digitizer 460 of FIG. 5 ) may be included. In this case, the metal sheet layer 450 includes at least one ground pattern 4814 disposed on the digitizer 480 , the first electrical connection member 4814a, and the ground of the extension portion (eg, the first extension portion 4816 ). It may be electrically connected to the ground G through a line (eg, the first ground line 4816a).

Referring to FIG. 19 , the flexible display 400 corresponds to at least a portion of the second flat portion 452 from the first flat portion 451 through the bendable portion 453 under the metal sheet layer 450 . It may include one digitizer 480 (eg, the digitizer 460 of FIG. 5 ) disposed in the . According to one embodiment, when the flexible display 400 is viewed from below the digitizer 480 and the display panel 430 is viewed from above, the first flat portion 451 and the bendable portion 453 of the metal sheet layer 450 are ) in a region corresponding to at least a portion of the first reinforcing plate 471 disposed through the adhesive member P5 and the second flat portion 452 and the bendable portion 453 of the metal sheet layer 450 . A second reinforcing plate 472 disposed through the adhesive member P5 may be included in at least a portion corresponding to the region.

According to various embodiments, the metal sheet layer 450 may include at least one ground pattern 4814 disposed on the digitizer 480 , a first electrical connection member 4814a , and an extension portion (eg, a first extension portion 4816 ). ) is electrically connected to the ground G through a ground line (eg, the first ground line 4816a), and the first reinforcing plate 471 is the ground of the extension (eg, the first extension 4816). The flexible substrate is electrically connected to the ground G through a line (eg, the first ground line 4816a) and the second electrical connection member 4816b, and the second reinforcing plate 472 is connected to the bending portion 432 Since it is electrically connected to the ground G through 433 , the possibility of malfunction of the flexible display 400 may be reduced.

20A is a partial cross-sectional view of a flexible display according to various embodiments of the present disclosure; 20B is a configuration diagram of the metal sheet layer shown in FIG. 20A according to various embodiments of the present disclosure. 20C is a configuration diagram of two digitizers shown in FIG. 20A according to various embodiments of the present invention.

In the description of the flexible display of FIGS. 20A to 20C , the same reference numerals are given to components substantially the same as those of the flexible display of FIG. 14 , and a detailed description thereof may be omitted.

20A to 20C , the flexible display may include a display panel, a polymer layer sequentially disposed under the display panel, a curved support layer 450-1, and a pair of digitizers. According to one embodiment, the first digitizer 481 is disposed at a position overlapping with at least a portion of the first flat portion 451 and the bendable portion 453 when the bending support layer 450-1 is viewed from above. can be According to one embodiment, the second digitizer 482 is disposed at a position overlapping with at least a portion of the second flat portion 452 and the bendable portion 453 when the bending support layer 450-1 is viewed from above. can be

According to various embodiments, the bending support layer 450-1 is a first housing (eg, shown in FIG. 1A ) in which the above-described metal sheet layer 450 is replaced in order to improve the performance of the digitizers 481 and 482 . A first flat portion 451 disposed at a position corresponding to the first housing 110), a second flat portion disposed at a position corresponding to the second housing (eg, the second housing 120 in FIG. 1A) 452) and a bendable portion 453 that connects the first flat portion 451 and the second flat portion 452 and is disposed to be bendable. According to one embodiment, the first flat portion 451 and the second flat portion 452 may be substantially formed of a non-conductive material (eg, a polymer). According to an embodiment, the bendable portion 453 is substantially formed of a conductive material (eg, a metal material), and a first pattern 454 (eg, a plurality of openings (eg, 4b)).According to one embodiment, the non-conductive material and the conductive material may be connected to each other through a tape member.In some embodiments, the non-conductive material and the conductive material may be connected to each other through insert injection or double injection.

According to various embodiments, the bendable portion 453 formed of a metal material of the bending support layer 450-1 does not need to be electrically connected to the ground G between the display panel 430 and the digitizers 481 and 482. have. According to one embodiment, the bending support layer 450-1 may include at least one first extension region 456 in which a conductive material is extended from the bendable portion 453 to at least a portion of the first flat portion 451. can According to one embodiment, the at least one first extension region 456 is formed through the first ground pattern 4814, the electrical connection member 4814a, and the first extension portion 4816 disposed on the first digitizer 481 . It may be electrically connected to the ground (G). Accordingly, the bendable portion 453 of the bendable support layer 450-1 formed of a metal material is electrically connected to the ground G, thereby helping to reduce performance degradation of the flexible display 400 .

In some embodiments, the bendable support layer 450-1 further includes at least one second extension region 457 in which a conductive material extends from the bendable portion 453 to at least a portion of the second planar portion 452 . can do. According to one embodiment, the at least one second extension region 457 is formed through the second ground pattern 4824, the electrical connection member 4824a, and the second extension portion 4826 disposed on the second digitizer 482 . It may be electrically connected to the ground (G). Accordingly, the bendable portion 453 of the bendable support layer 450-1 formed of a metal material is electrically connected to the ground G, thereby helping to reduce performance degradation of the flexible display 400 .

21 illustrates a structure of an electronic device according to various embodiments of the present disclosure.

The electronic device 300 of FIG. 21 may be at least partially similar to the electronic device 100 of FIGS. 1A to 2B , or may further include other embodiments of the electronic device.

Referring to FIG. 21 , the electronic device 300 (eg, the electronic device 101 ) includes a printed board assembly (PBA) 315 , connection interfaces 325 and 335 , a first digitizer 320 , and a first Two digitizers 330 may be included. According to various embodiments, a controller 310 (eg, an auxiliary processor 123 ) and connectors 316 and 317 may be disposed on a printed board assembly (PBA) 315 .

According to various embodiments, the first digitizer 320 may generate a signal for confirming the position of the electronic pen based on the pen signal generated from the electronic pen, and transmit the generated signal to the processor. According to various embodiments, a magnetic field generated from the electronic pen may be referred to as a pen signal, and a current induced in a plurality of conductive patterns (eg, coils) included in the first digitizer 320 based on the pen signal or A voltage induced across the plurality of conductive patterns may be used as a signal for confirming the position of the electronic pen. According to various embodiments, the electronic pen may generate a signal including a resonance frequency by using a resonance circuit included in a printed circuit board disposed inside the electronic pen. For example, when an alternating voltage is applied through the plurality of conductive patterns of the digitizers 320 and 330, a magnetic field is formed, and a current flows according to the electromagnetic induction law of the internal coil of the electronic pen adjacent to the digitizers 320 and 330, A signal including a resonance frequency is formed through a resonance circuit inside the electronic pen, and the digitizers 320 and 330 may recognize it. The resonance circuit may include at least one electronic device such as a coil, an inductor, and/or a capacitor. According to an embodiment, the resonance circuit may be used to change the strength or frequency of the electromagnetic field according to a user's manipulation state. For example, the resonant circuit may provide various frequencies for recognizing a hovering input, a drawing input, a button input, or an erasing input.

According to various embodiments, the second digitizer 330 may generate a signal for confirming the position of the electronic pen based on the pen signal generated from the electronic pen. According to various embodiments, a magnetic field generated from the electronic pen may be referred to as a pen signal, and based on the pen signal, current induced in the plurality of conductive patterns included in the second digitizer 330 or both ends of the plurality of conductive patterns The voltage induced in the can be used as a signal to confirm the position of the electronic pen.

According to various embodiments, the first digitizer 320 is the first connection interface 325 (eg, the first extension 4816 or the first FPCB of FIG. 15A ) of the printed board assembly (PBA) 315 through the first connection interface 325 . It may be connected to the first connector 316 , and a signal generated from the first digitizer 320 may be transmitted to the controller 310 through the first connection interface 325 and the first connector 316 .

According to various embodiments, the second digitizer 330 is connected to the second connector 317 of the PBA 315 through the second connection interface 335 (eg, the second extension 4826 or the second FPCB of FIG. 15A ). may be connected to , and a signal generated from the second digitizer 330 may be transmitted to the controller 310 through the second connection interface 335 and the second connector 317 .

According to various embodiments, the electronic device 300 may include two housings (eg, the first housing 110 and the second housing 120 of FIG. 1A ), and the line 340 indicates that the two housings rotate. may mean a folding axis (eg, a rotation axis) (eg, a folding axis (A) of FIG. 1A ). That is, according to various embodiments, the PBA 315 , the connection interface 325 , and the first digitizer 320 may be located in the first housing of the electronic device 300 , and the second digitizer 330 is an electronic device. It may be located in the second housing of the device 300 , and the connection interface 335 may cross a folding axis (eg, a rotation axis) to connect the connector 317 and the second digitizer 330 . 1A to 2B, according to various embodiments, the first housing in which the PBA 315, the connection interface 325, and the first digitizer 320 are located is the first housing ( 110) and the second housing 120 may be any one. According to various embodiments, the second housing in which the second digitizer 330 is located may be the other one of the first housing 110 and the second housing 120 of FIGS. 1A to 2B .

According to various embodiments, the connection interface 335 may include a flexible printed circuits board (FPCB). In this case, since the connection interface 335 that crosses the folding shaft 340 and connects the connector 317 and the second digitizer 330 has ductility, there is no risk of damage despite repeated folding of the electronic device 300 . chances may be lowered. According to various embodiments, the connection interface 335 as well as the connection interface 325 may include an FPCB.

22A and 22B illustrate placement of conductive patterns in digitizers, in accordance with various embodiments.

Referring to FIG. 22A , a folding shaft 540 (eg, the folding shaft A1 of FIG. 1A ) on which the first and second housings rotate may be positioned between the first housing and the second housing, and the first The first digitizer 520 may be included in the housing, and the second digitizer 530 may be included in the second housing. According to various embodiments, the first digitizer 520 may include a plurality of first conductive patterns 521 , 522 , and 523 that generate a signal based on a pen signal from the electronic pen. According to various embodiments, the second digitizer 530 may include a plurality of second conductive patterns 531 , 532 , and 533 that generate a signal based on a pen signal from the electronic pen. The length of the first plurality of conductive patterns 521 , 522 , and 523 in the folding axis 540 direction is greater than the length of the first plurality of conductive patterns 521 , 522 , 523 in the first direction 551 , respectively. can be long The lengths of the second plurality of conductive patterns 531 , 532 , and 533 in the direction of the folding axis 540 may be longer than the lengths of the second plurality of conductive patterns 531 , 532 , and 533 in the second direction 552 , respectively. have. Definitions of the first direction 551 and the second direction 552 will be described later.

Although it is illustrated in FIG. 22A as if three conductive patterns are included in each of the first digitizer 520 and the second digitizer 530, only representative conductive patterns for illustrating the arrangement of conductive patterns according to various embodiments are shown in FIG. 22A. and, according to various embodiments, the first digitizer 520 and the second digitizer 530 may further include a plurality of omitted malleable patterns.

According to various embodiments, with respect to each of the plurality of first conductive patterns 521 , 522 , and 523 included in the first digitizer 520 , the first from the folding axis 540 and perpendicular to the folding axis 540 . A distance in direction 551 may be defined. The first direction 551 may be defined such that a plane formed by the first digitizer 520 is substantially parallel to a plane formed by the folding axis 540 and the first direction 551 . Even when the first housing rotates about the folding axis 540 , the first direction 551 may still be maintained perpendicular to the folding axis 540 . For example, the distance in the first direction 551 from the folding axis 540 of the conductive pattern 521 is the first direction ( 551) can be defined as the shortest distance among distances. For other conductive patterns 532 and 533 , a distance from the folding axis 540 in the first direction 551 may be defined in a similar manner. The distance in the first direction 551 from the folding axis 540 of the conductive pattern 523 is the distance in the first direction 551 from the folding axis 540 of the conductive pattern 521 and the conductive pattern 522 . can be further away

According to various embodiments, with respect to each of the plurality of second conductive patterns 531 , 532 , 533 included in the second digitizer 530 , from the folding axis 540 , a second perpendicular to the folding axis 540 . A distance in direction 552 may be defined. The second direction 552 may be defined such that a plane formed by the second digitizer 530 is substantially parallel to a plane formed by the folding axis 540 and the second direction 552 . Even when the second housing rotates about the folding axis 540 , the second direction 552 may still be maintained perpendicular to the folding axis 540 . For example, the distance in the second direction 552 from the folding axis 540 of the conductive pattern 531 is the second direction ( 552) can be defined as the shortest distance among distances. For other conductive patterns 532 and 533 , a distance from the folding axis 540 in the second direction 552 may be defined in a similar manner. The distance in the second direction 552 from the folding axis 540 of the conductive pattern 533 is the distance in the second direction 552 from the folding axis 540 of the conductive pattern 531 and the conductive pattern 532 . can be further away

According to various embodiments, a width in the first direction 551 may be defined for each of the plurality of first conductive patterns 521 , 522 , and 523 included in the first digitizer 520 . Referring to FIG. 22A , the width 562 of the conductive pattern 522 in the first direction 551 may be substantially the same as the width 563 of the conductive pattern 523 in the first direction 551 . A width 561 of the conductive pattern 521 in the first direction 551 is a width 562 of the conductive pattern 522 in the first direction 551 and a width of the conductive pattern 523 in the first direction 551 . (563) may be less. For example, the width 561 of the conductive pattern 521 in the first direction 551 is the width 562 of the conductive pattern 522 in the first direction 551 and the width 562 of the conductive pattern 523 in the first direction ( 551 may be half the width 563 .

According to various embodiments, a width in the second direction 552 may be defined for each of the plurality of second conductive patterns 531 , 532 , and 533 included in the second digitizer 530 . Referring to FIG. 22A , a width 572 in the second direction 552 of the conductive pattern 532 may be substantially the same as a width 573 in the second direction 552 of the conductive pattern 533 . The width 571 in the second direction 552 of the conductive pattern 531 is the width 572 in the second direction 552 of the conductive pattern 532 and the width 552 in the second direction 533 of the conductive pattern 533 . (573) may be less. For example, the width of the conductive pattern 531 in the second direction 552 is equal to the width 572 of the second direction 552 of the conductive pattern 532 and the second direction 552 of the conductive pattern 533 . It may be half the width 573 .

In FIG. 22A , if the conductive pattern 521 and the conductive pattern 531 are combined to be regarded as one conductive pattern, the arrangement of the conductive patterns in FIG. 22A is the two digitizers 520 and 530 with the folding axis 540 as a boundary. ), which is equivalent to arranging conductive patterns of the same width in a single digitizer with uniform spacing and uniform width. That is, the widths 562 , 563 , 572 , and 573 of the other conductive patterns 522 , 523 , 532 , and 533 that are not divided by the folding axis 540 are the same, and the conductive pattern 521 moves in the first direction ( The sum of the width 561 of the conductive pattern 551 and the width 571 of the second direction 552 of the conductive pattern 531 includes the other conductive patterns 522 , 523 , 532 , which are not divided by the folding axis 540 . 533) may be set to be the same as the width. According to various embodiments, the width 561 of the conductive pattern 521 in the first direction 551 may be the same as the width 571 of the conductive pattern 531 in the second direction 552 . Even in this case, although not shown in FIG. 22A , the first digitizer 520 includes the first conductive pattern and the second conductive pattern, and the second digitizer 530 includes the third conductive pattern and the fourth conductive pattern. and a width in the first direction 551 of the first conductive pattern is different from a width in the second direction 552 of the third conductive pattern, and the width in the first direction 551 of the first conductive pattern and the third conductivity The sum of the widths of the second direction 552 of the pattern is the same as the widths of the other conductive patterns 522 , 523 , 532 , and 533 not divided by the folding axis 540 , and the first direction of the second conductive pattern The width 551 is the same as the width in the second direction 552 of the third conductive pattern, and the width in the second direction 552 of the fourth conductive pattern is the width in the first direction 551 of the first conductive pattern. and the sum of the width in the first direction 551 of the second conductive pattern and the width in the second direction 552 of the fourth conductive pattern is not divided by the folding axis 540 of other conductive patterns 522 , 523, 532, 533).

According to various embodiments, the width 561 of the conductive pattern 521 in the first direction 551 may be different from the width 571 of the conductive pattern 531 in the second direction 552 . In this case, although not shown in FIG. 22A , the third conductive pattern is further included in the first digitizer 520 , the fourth conductive pattern is further included in the second digitizer 530 , and the first of the third conductive patterns is The width in the direction 551 is the same as the width 571 in the second direction 552 of the conductive pattern 531 , and the width in the second direction 552 of the fourth conductive pattern 521 is the width of the first conductive pattern 521 . It may be equal to the width 561 of the direction 551 .

22B shows a different example from FIG. 22A regarding the placement of conductive patterns in digitizers.

22A , a folding shaft 540 on which the first housing and the second housing are rotated may be positioned between the first housing and the second housing, and the first housing includes a first digitizer 520, The second housing may include a second digitizer 530 . According to various embodiments, the first digitizer 520 may include a plurality of first conductive patterns 521 , 522 , 523 , 521b , and 522b that generate a signal based on a pen signal from the electronic pen. According to various embodiments, the second digitizer 530 may include a plurality of second conductive patterns 531 , 532 , 533 , 531b , and 532b that generate a signal based on a pen signal from the electronic pen.

Although the first digitizer 520 and the second digitizer 530 are illustrated as if five conductive patterns are included in each of the first digitizer 520 and the second digitizer 530 in FIG. 22B, only representative conductive patterns for showing the conductive pattern arrangement according to various embodiments are shown in FIG. 22B. and, according to various embodiments, the first digitizer 520 and the second digitizer 530 may further include a plurality of omitted conductive patterns.

The definitions of the first direction 551 and the second direction 552 are the same as those described above with reference to FIG. 22A , and thus, descriptions thereof will not be repeated herein.

According to various embodiments, a width in the first direction 551 of the conductive pattern 522 is substantially the same as a width in the first direction 551 of the conductive pattern 523 , and in the first direction of the conductive pattern 521 . The width of the conductive pattern 551 is substantially equal to half of the widths of the conductive pattern 522 and the conductive pattern 523 in the first direction 551 , and the width of the conductive pattern 521b in the first direction 551 is the conductive pattern 521 . It may be substantially equal to half the width of the pattern 521 in the first direction 551 . Also, the width of the conductive pattern 522b in the first direction 551 may be substantially equal to three times the width of the conductive pattern 521b in the first direction 551 . In addition, the width in the second direction 552 of the conductive pattern 532 is substantially the same as the width in the second direction 552 of the conductive pattern 533 , and in the second direction 552 of the conductive pattern 531 . The width of the conductive pattern 532 and the second direction 552 of the conductive pattern 533 are substantially equal to half, and the width of the conductive pattern 531b in the second direction 552 is the conductive pattern 531 . may be substantially equal to half the width of the second direction 552 of . Also, the width of the conductive pattern 532b in the second direction 552 may be substantially equal to three times the width of the conductive pattern 531b in the second direction 552 .

In FIG. 22B , the conductive pattern 521 and the conductive pattern 531 are combined to be regarded as one conductive pattern, the conductive pattern 521b and the conductive pattern 531b are combined to be regarded as one conductive pattern, and the conductive pattern is considered as one conductive pattern. If 522b and the conductive pattern 532b are combined to be regarded as one conductive pattern, the arrangement of the conductive patterns in FIG. 22B is not divided into two digitizers 520 and 530 with the folding axis 540 as a boundary, It may be equivalent to disposing conductive patterns of the same width in a single digitizer with uniform spacing and uniform width. That is, the width in the first direction 551 of the conductive pattern 521 and the width in the second direction 552 of the conductive pattern 531 are the width in the first direction 551 of the conductive pattern 521 and the conductive pattern The sum of the widths of the second direction 552 of 531 may be set to be equal to the widths of the other conductive patterns 522 , 523 , 532 , and 533 that are not divided by the folding axis 540 . Similarly, the width in the first direction 551 of the conductive pattern 521b and the width in the second direction 552 of the conductive pattern 531 are the same as the width in the first direction 551 of the conductive pattern 521b and the conductive pattern The sum of the widths of the second direction 552 of the 531b may be set to be equal to the widths of the other conductive patterns 522 , 523 , 532 , and 533 that are not divided by the folding axis 540 . Similarly, the width in the first direction 551 of the conductive pattern 522b and the width in the second direction 552 of the conductive pattern 532 are the same as the width in the first direction 551 of the conductive pattern 522b and the conductive pattern The sum of the widths of the second direction 552 of the 532b may be set to be equal to the widths of the other conductive patterns 522 , 523 , 532 , and 533 that are not divided by the folding axis 540 .

23 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure. Details of the PBA 615 and the controller 610 are the same as those of the PBA 315 and the controller 310 shown in FIG. 3 , and thus will not be repeated herein.

Although the conductive patterns 621 , 622 , 631 , and 632 are shown directly connected to the controller 610 in FIG. 23 , this connection is electrically connected to the connector on the PBA 615 , as shown in FIG. 21 . is further included, and the conductive patterns 621 , 622 , 631 , and 632 are equivalent to being connected to the controller 610 through a connector. In addition, although the PBA 615 is shown to be disposed to cross the folding axis 640 in FIG. 23 , this is for convenience of illustration, and according to various embodiments, the PBA 615 is the folding axis 640 . It may be centrally located in one of the first housing corresponding to the left side and the second housing corresponding to the right side.

Only two conductive patterns 621 and 622 of the first plurality of conductive patterns constituting the first digitizer included in the first housing corresponding to the left side with respect to the folding axis 640 are shown in FIG. 23 . Similarly, only two conductive patterns 631 and 632 among the plurality of second conductive patterns constituting the second digitizer included in the second housing corresponding to the right side with respect to the folding axis 640 are shown in FIG. 23 . . The length of the conductive patterns 621 , 622 , 631 , and 632 in the direction perpendicular to the folding axis 640 of the conductive patterns 621 , 622 , 631 and 632 may be longer than the length in the direction perpendicular to the folding axis 640 , respectively. .

According to various embodiments, between the conductive patterns 621 and 622 and the PBA 615 included in the first digitizer may be connected by a connection interface 325 as shown in FIG. 21 , and to the second digitizer The included conductive patterns 631 and 632 and the PBA 615 may be connected by a connection interface 335 as shown in FIG. 3 .

According to various embodiments, the first end of the conductive pattern 622 is connected to the reference terminal Vrefy of the controller 610 , and the second end of the conductive pattern 622 is the n−1th input terminal of the controller 610 . (VSWn-1) can be connected. A first end of the conductive pattern 621 may be connected to a reference terminal Vrefy of the controller 610 , and a second end of the conductive pattern 621 may be connected to an n-th input terminal VSWn of the controller 610 . The first end of the conductive pattern 631 is connected to the reference terminal Vrefy of the controller 610 , and the second end of the conductive pattern 631 is connected to the n+1th input terminal VSWn+1 of the controller 610 . can be connected The first end of the conductive pattern 632 is connected to the reference terminal Vrefy of the controller 610 , and the second end of the conductive pattern 632 is connected to the n+2th input terminal VSWn+2 of the controller 610 . can be connected

According to various embodiments, the electronic pen may generate a magnetic field in contact with the first digitizer and the second digitizer or in proximity to the first digitizer and the second digitizer, and this magnetic field may be referred to as a pen signal of the electronic pen. have. The magnetic field generated by the electronic pen generates an induced current in each of the conductive patterns 621, 622, 631, and 632, and an induced current generated in each of the conductive patterns 621, 622, 631, 632 or each of the conductive patterns ( The voltage induced across the 621, 622, 631, 632 is a signal (ASWn-1, ASWn, ASWn+1, ASWn+2) generated from each of the conductive patterns 621, 622, 631, 632, the controller ( 610) may be transmitted to the input terminals.

The controller 610 receives the signals ASWn-1, ASWn, ASWn+1, ASWn+2 generated by the respective conductive patterns 621, 622, 631, and 632 included in the first digitizer and the second digitizer. and the position of the electronic pen may be confirmed based on the received signal. According to various embodiments, the controller 610 checks the sum of the signal ASWn generated by the conductive pattern 621 and the signal ASWn+1 generated by the conductive pattern 631 , and the sum of the two signals Based on the distribution of signals (ASWn-1, ASWn+2) received through (ASWn+ASWn+1) and other input terminals, among the coordinates specifying the position of the electronic pen, the direction perpendicular to the folding axis 640 is By checking the values of the components, the position of the electronic pen can be confirmed. That is, the controller 610 confirms the sum of the signal ASWn generated by the conductive pattern 621 and the signal ASWn+1 generated by the conductive pattern 631 , so that the conductive pattern 621 and the conductive pattern ( 631) can be combined to operate similarly to a single conductive pattern.

According to various embodiments, when the first digitizer and the second digitizer have a conductive pattern arrangement as shown in FIG. 22B , the controller 610 controls a signal generated by the conductive pattern 521 and the conductive pattern 531 . to the sum of the signal generated by , the sum of the signal generated by the conductive pattern 521b and the signal generated by the conductive pattern 531b, and the signal generated by the conductive pattern 522b and the conductive pattern 532b Check the sum of the signals generated by the , and the signal generated by the conductive pattern 522 , the signal generated by the conductive pattern 523 , the signal generated by the conductive pattern 532 , and the conductive pattern 533 . ), the position of the electronic pen may be confirmed by checking the value of a component perpendicular to the folding axis 540 among coordinates specifying the position of the electronic pen. That is, the controller 610 combines the conductive pattern 521 and the conductive pattern 531 as one conductive pattern, and combines the conductive pattern 521b and the conductive pattern 531b as one conductive pattern. , the conductive pattern 522b and the conductive pattern 532b may be combined to operate similarly to a single conductive pattern.

24 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.

Details of the PBA 715 and the controller 710 are the same as those of the PBA 315 and the controller 310 shown in FIG. 3 , and thus will not be repeated herein. Although the conductive patterns 721 , 722 , 731 , and 732 are shown directly connected to the controller 710 in FIG. 24 , this connection is electrically connected to the connector on the PBA 715 , as shown in FIG. 3 . is further included, and the conductive patterns 721 , 722 , 731 , and 732 are equivalent to being connected to the controller 710 through a connector.

Only two conductive patterns 721 and 722 of the first plurality of conductive patterns constituting the first digitizer included in the first housing corresponding to the left side with respect to the folding axis 740 are shown in FIG. 24 . Similarly, only two conductive patterns 731 and 732 among the plurality of second conductive patterns constituting the second digitizer included in the second housing corresponding to the right side of the folding shaft 740 are shown in FIG. 24 . The length of the conductive patterns 721 , 722 , 731 , and 732 in the direction perpendicular to the folding axis 740 of the conductive patterns 721 , 722 , 731 and 732 may be longer than the length in the direction perpendicular to the folding axis 740 , respectively. .

According to various embodiments, 750 between the conductive patterns 721 and 722 and the PBA 715 included in the first digitizer may be connected by a connection interface 325 as shown in FIG. 21 , and the second The conductive patterns 731 and 732 included in the digitizer and the 760 between the PBA 715 may be connected by a connection interface 335 as shown in FIG. 21 .

According to various embodiments, the first end of the conductive pattern 722 is connected to the reference terminal Vrefy of the controller 710 , and the second end of the conductive pattern 722 is the n−1th input terminal of the controller 710 . can be connected to A first end of the conductive pattern 721 is connected to the reference terminal Vrefy of the controller 710 , and a second end of the conductive pattern 721 is connected to the first end of the conductive pattern 731 through an interface. can be connected The second end of the conductive pattern 731 may be connected to the nth input terminal of the controller 710 . A first end of the conductive pattern 732 may be connected to a reference terminal Vrefy of the controller 710 , and a second end of the conductive pattern 732 may be connected to an n+1th input terminal of the controller 710 .

According to various embodiments, the electronic pen may generate a magnetic field in contact with the first digitizer and the second digitizer or in proximity to the first digitizer and the second digitizer, and this magnetic field may be referred to as a pen signal of the electronic pen. have. The magnetic field generated by the electronic pen may generate an induced current in each of the conductive patterns 721 , 722 , 731 , and 732 . At this time, since the conductive pattern 721 and the conductive pattern 731 are connected in series through an interface (intern), the magnetic flux passing through the cross section of the conductive pattern 721 and the conductive pattern 731 among the magnetic flux by the pen signal An induced current corresponding to the sum of magnetic flux passing through the cross section of may flow in the conductive pattern 721 and the conductive pattern 731 . The induced current flowing through the conductive pattern 721 and the conductive pattern 731 or the voltage induced across the conductive pattern 721 and the conductive pattern 731 may be transmitted to the input terminal of the controller 710 as the n-th signal ASWn. have. In addition, a current induced in the conductive patterns 722 and 732, respectively, or a voltage induced across each of the conductive patterns 722 and 732 by the magnetic field generated by the electronic pen is applied to the conductive patterns 722 and 732, respectively. The generated signals ASWn-1 and ASWn+1 may be transmitted to input terminals of the controller 710 .

The controller 710 may identify the position of the electronic pen based on the received signals ASWn-1, ASWn, and ASWn+1. Specifically, the controller 710 determines the component in the direction perpendicular to the folding axis 740 among the coordinates for specifying the position of the electronic pen based on the distribution of the received signals ASWn-1, ASWn, and ASWn+1. By checking the value, the position of the electronic pen can be confirmed. Here, the signal ASWn is a signal based on the sum of the magnetic flux passing through the cross section of the conductive pattern 721 and the magnetic flux passing through the cross section of the conductive pattern 731 among the magnetic fluxes generated by the pen signal. ) and the conductive pattern 731 may be combined to operate similarly to a single conductive pattern.

According to various embodiments, when the first digitizer and the second digitizer have the conductive pattern arrangement as shown in FIG. 22B , the conductive pattern 521 and the conductive pattern 531 are connected in series, and the conductive pattern ( 521b and the conductive pattern 531b may be connected in series, and the conductive pattern 522b and the conductive pattern 532b may be connected in series. Accordingly, in this case, the controller generates a signal based on the sum of the magnetic flux passing through the cross-section of the conductive pattern 521 and the magnetic flux passing through the cross-section of the conductive pattern 531 among the magnetic fluxes generated by the pen signal, which passes through the cross-section of the conductive pattern 521b. Considering a signal based on the sum of the magnetic flux and the magnetic flux passing through the cross section of the conductive pattern 531b, and the signal based on the sum of the magnetic flux passing through the cross section of the conductive pattern 522b and the magnetic flux passing through the cross section of the conductive pattern 532b, the electronic pen Among the coordinates for specifying the position of , the value of the component in the direction perpendicular to the folding axis 540 can be confirmed, whereby the conductive pattern 521 and the conductive pattern 531 are combined to be regarded as one conductive pattern, and the conductivity The pattern 521b and the conductive pattern 531b may be combined to be regarded as one conductive pattern, and the conductive pattern 522b and the conductive pattern 532b may be combined to be regarded as one conductive pattern.

25 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.

Details of the PBA 815 and the controller 810 are the same as those of the PBA 315 and the controller 310 shown in FIG. 21 , and thus will not be repeated herein. The first digitizer included in the first housing corresponding to the left side with respect to the folding axis 840 may include a plurality of first conductive patterns, and may be disposed on the second housing corresponding to the right side with respect to the folding axis 840 as the center. The included second digitizer may include a plurality of conductive patterns. 25 shows two conductive patterns 821 and 822 among the plurality of first conductive patterns included in the first digitizer and two conductive patterns 831 among the plurality of second conductive patterns included in the second digitizer. 832) are shown. The length in the direction of the folding axis 840 of the conductive patterns 821 , 822 , 831 , and 832 may be shorter than the width in the direction perpendicular to the folding axis 840 of the conductive patterns 821 , 822 , 831 and 832 , respectively. . In addition, the position of the conductive pattern 821 in the direction of the folding axis 840 may correspond to the position of the conductive pattern 831 in the direction of the folding axis 840 , and the position of the conductive pattern 821 in the direction of the folding axis 840 of the conductive pattern 822 . The position may correspond to a position in the direction of the folding axis 840 of the conductive pattern 832 .

According to various embodiments, the conductive patterns 821 and 822 included in the first digitizer and the PBA 815 may be connected by a connection interface 325 as shown in FIG. 21, and included in the second digitizer The conductive patterns 831 and 832 and the PBA 815 may be connected by a connection interface 335 as shown in FIG. 21 .

According to various embodiments, the first end of the conductive pattern 821 is connected to the reference terminal Vrefx of the controller 810 , and the second end of the conductive pattern 821 is the nth input terminal ASWnL of the controller 810 . ) can be connected to According to various embodiments, the first end of the conductive pattern 822 is connected to the reference terminal Vrefx of the controller 810 , and the second end of the conductive pattern 822 is the n+1th input terminal of the controller 810 . It can be connected to (ASWn+1). According to various embodiments, the first end of the conductive pattern 831 is connected to the reference terminal Vrefx of the controller 810 , and the second end of the conductive pattern 831 is the nth input terminal ASWnR of the controller 810 . ) can be connected to According to various embodiments, the first end of the conductive pattern 832 is connected to the reference terminal Vrefx of the controller 810 , and the second end of the conductive pattern 832 is the nth input terminal ASWn of the controller 810 . +1R).

According to various embodiments, the electronic pen may generate a magnetic field in contact with the first digitizer and the second digitizer or in proximity to the first digitizer and the second digitizer, and this magnetic field may be referred to as a pen signal of the electronic pen. have. The magnetic field generated by the electronic pen generates an induced current in each of the conductive patterns 821 , 822 , 831 , and 832 , and the induced current generated in each of the conductive patterns 821 , 822 , 831 , 832 controls the controller 810 . may be transmitted to the inputs. Here, since the second end of the conductive pattern 821 and the second end of the conductive pattern 831 are connected in parallel to the n-th input terminal of the controller 810 as shown in FIG. 25 , the The signal ASWn input to the n-th input terminal may be the sum of the signal ASWnL generated from the conductive pattern 821 and the signal ASWnR generated from the conductive pattern 831 . In addition, since the second end of the conductive pattern 822 and the second end of the conductive pattern 832 are connected in parallel to the n+1-th input terminal of the controller 810 , the n+1-th input terminal of the controller 810 is The input signal ASWn+1 may be the sum of the signal ASWn+1L generated from the conductive pattern 822 and the signal ASWn+1R generated from the conductive pattern 832 . Accordingly, the controller 810 controls a pair of conductive patterns (conductive pattern 821 and conductive pattern 831, or conductive pattern 822 and conductive pattern 832) whose positions in the folding axis 840 direction correspond to each other. The position of the electronic pen can be confirmed by checking the sum of the signals from each. Specifically, the controller 810 checks the value of a component parallel to the folding axis 840 among the coordinates specifying the position of the electronic pen based on the distribution of the received signals ASWn and ASWn+1. You can check the position of the pen.

26 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.

Details of the PBA 915 and the controller 910 are the same as those of the PBA 315 and the controller 310 shown in FIG. 21 , and thus will not be repeated herein. 26 , the first digitizer included in the first housing corresponding to the left side with respect to the folding axis 940 may include a plurality of first conductive patterns, and corresponding to the right side with respect to the folding axis 940 . The second digitizer included in the second housing may include a plurality of second conductive patterns. Only two conductive patterns 921 and 922 of the plurality of conductive patterns included in the first digitizer and two conductive patterns 931 and 932 of the plurality of conductive patterns included in the second digitizer are shown in FIG. 26 . became The length in the direction of the folding axis 940 of the conductive patterns 921 , 922 , 931 , and 932 may be shorter than the width in the direction perpendicular to the folding axis 940 of the conductive patterns 921 , 922 , 931 and 932 , respectively. . In addition, the position of the conductive pattern 921 in the direction of the folding axis 940 may correspond to the position of the conductive pattern 931 in the direction of the folding axis 940 , and the position of the conductive pattern 921 in the direction of the folding axis 940 of the conductive pattern 922 . The position may correspond to the position of the conductive pattern 932 in the direction of the folding axis 940 .

According to various embodiments, the conductive patterns 921 and 922 included in the first digitizer and the PBA 915 may be connected by a connection interface 325 as shown in FIG. 3 and included in the second digitizer. The conductive patterns 931 and 932 and the PBA 915 may be connected by a connection interface 335 as shown in FIG. 3 .

According to various embodiments, a first end of the conductive pattern 921 is connected to a reference terminal Vrefx of the controller 910 , and a second end of the conductive pattern 921 is connected to the conductive pattern 931 through an interface. ) can be connected to the first end of the The second end of the conductive pattern 931 may be connected to the nth input terminal of the controller 910 . According to various embodiments, the first end of the conductive pattern 922 is connected to the reference terminal Vrefx of the controller 910 , and the second end of the conductive pattern 922 is connected to the conductive pattern through the interface intern+1. It may be connected to the first end of (932). A second end of the conductive pattern 932 may be connected to an n+1th input terminal of the controller 910 .

According to various embodiments, the electronic pen may generate a magnetic field in contact with the first digitizer and the second digitizer or in proximity to the first digitizer and the second digitizer, and this magnetic field may be referred to as a pen signal of the electronic pen. have. The magnetic field generated by the electronic pen may generate an induced current in each of the conductive patterns 921 , 922 , 931 , and 932 . At this time, since the conductive pattern 921 and the conductive pattern 931 are connected in series through an interface (intern), the magnetic flux passing through the cross section of the conductive pattern 921 among the magnetic flux by the pen signal and the conductive pattern 931 An induced current corresponding to the sum of magnetic flux passing through a cross section of may flow in the conductive pattern 921 and the conductive pattern 931 . The induced current flowing through the conductive pattern 921 and the conductive pattern 931 or the voltage induced across the conductive pattern 921 and the conductive pattern 931 may be transmitted to the input terminal of the controller 910 as the n-th signal ASWn. have. Similarly, at this time, since the conductive pattern 922 and the conductive pattern 932 are connected in series through the interface (intern+1), the magnetic flux passing through the cross section of the conductive pattern 922 among the magnetic fluxes by the pen signal and the conductivity An induced current corresponding to the sum of magnetic flux passing through the cross section of the pattern 932 may flow through the conductive pattern 922 and the conductive pattern 932 . The induced current flowing through the conductive pattern 922 and the conductive pattern 932 or the voltage induced across the conductive pattern 922 and the conductive pattern 932 is the n+1-th signal ASWn+1, which is the input terminal of the controller 910 . can be transmitted to

The controller 910 may identify the position of the electronic pen based on the received signals ASWn and ASWn+1. Specifically, the controller 910 checks the value of a component parallel to the folding axis 940 among the coordinates specifying the position of the electronic pen based on the distribution of the received signals ASWn and ASWn+1. You can check the position of the pen. Here, the signal ASWn is a signal based on the sum of the magnetic flux passing through the cross section of the conductive pattern 921 and the magnetic flux passing through the cross section of the conductive pattern 931 among the magnetic fluxes generated by the pen signal, and the signal ASWn+1 is the pen signal Since it is a signal based on the sum of the magnetic flux passing through the cross section of the conductive pattern 922 and the magnetic flux passing through the cross section of the conductive pattern 932, the controller 910 combines the conductive pattern 921 with the conductive pattern 931. Thus, it is regarded as one conductive pattern, and the conductive pattern 922 and the conductive pattern 932 are combined to be regarded as one conductive pattern.

27 illustrates a connection between conductive patterns included in a digitizer and a controller, according to various embodiments of the present disclosure.

The details of the PBA 1015 and the controller 1010 are the same as the PBA 315 and the controller 310 shown in FIG. 21 , and thus will not be repeated herein.

Although the conductive patterns 1021 , 1022 , 1031 , and 1032 are shown as being directly connected to the controller 1010 in FIG. 27 , this connection is electrically connected to the connector on the PBA 1015 as shown in FIG. 3 . is further included, and the conductive patterns 1021 , 1022 , 1031 , and 1032 are equivalent to being connected to the controller 1010 through a connector. In addition, although the PBA 1015 is shown to be disposed to cross the folding shaft 1040 in FIG. 27 , this is for convenience of illustration, and according to various embodiments, the PBA 1015 is the folding shaft 1040 . It is centrally located in one of the first housing corresponding to the left side and the second housing corresponding to the right side.

Only three conductive patterns 1021 , 1022 , and 1023 of the first plurality of conductive patterns constituting the first digitizer included in the first housing corresponding to the left side of the folding shaft 1040 are shown in FIG. 27 . Similarly, only three conductive patterns 1031 , 1032 , and 1024 of the second plurality of conductive patterns constituting the second digitizer included in the second housing corresponding to the right side of the folding shaft 1040 are shown in FIG. 27 . became The length of the conductive patterns 1021 , 1022 , 1031 , and 1032 in the direction perpendicular to the folding axis 1040 of the conductive patterns 1021 , 1022 , 1031 and 1032 may be longer than the length in the direction perpendicular to the folding axis 1040 , respectively. . The length in the direction of the folding axis 1040 of the conductive patterns 1023 and 1024 may be shorter than the width in the direction perpendicular to the folding axis 1040 of the conductive patterns 1023 and 1024, respectively. Also, the position of the conductive pattern 1023 in the direction of the folding axis 1040 may correspond to the position of the conductive pattern 1024 in the direction of the folding axis 1040 .

According to various embodiments, the conductive patterns 1021 , 1022 , 1023 and the PBA 1015 included in the first digitizer may be connected by a connection interface 325 as shown in FIG. 3 , and the second digitizer may be connected to the second digitizer. The conductive patterns 1031 , 1032 , 1024 and the PBA 1015 included in may be connected by a connection interface 335 as shown in FIG. 3 .

According to various embodiments, the first end of the conductive pattern 1022 is connected to the reference terminal Vref of the controller 1010 , and the second end of the conductive pattern 1022 is the n−1th input terminal of the controller 1010 . can be connected to A first end of the conductive pattern 1021 may be connected to a reference terminal Vref of the controller 1010 , and a second end of the conductive pattern 1021 may be connected to an n-th input terminal of the controller 1010 . A first end of the conductive pattern 1031 may be connected to a reference terminal Vref of the controller 1010 , and a second end of the conductive pattern 1031 may be connected to an n+1-th input terminal of the controller 1010 . A first end of the conductive pattern 1032 may be connected to a reference terminal Vref of the controller 1010 , and a second end of the conductive pattern 1032 may be connected to an n+2 th input terminal of the controller 1010 .

According to various embodiments, the electronic pen may generate a magnetic field in contact with the first digitizer and the second digitizer or in proximity to the first digitizer and the second digitizer, and this magnetic field may be referred to as a pen signal of the electronic pen. have. The magnetic field generated by the electronic pen generates an induced current in each of the conductive patterns 1021, 1022, 1031, and 1032, and an induced current generated in each of the conductive patterns 1021, 1022, 1031, 1032 or each of the conductive patterns ( The voltages induced across the 1021, 1022, 1031, and 1032 are the signals ASWn-1,y, ASWn,y, ASWn+1,y, ASWn+ generated from the respective conductive patterns 1021, 1022, 1031, 1032. 2, y), and may be transmitted to input terminals of the controller 1010 .

The controller 1010 generates signals ASWn-1,y, ASWn,y, ASWn+1,y, ASWn+2,y) may be received, and the position of the electronic pen may be confirmed based on the received signal. According to various embodiments, the controller 1010 checks the sum of the signal ASWn,y generated by the conductive pattern 1021 and the signal ASWn+1,y generated by the conductive pattern 1031, Based on the sum of the two signals (ASWn,y+ASWn+1,y) and the distribution of the signals (ASWn-1,y, ASWn+2,y) received through the other input terminal, the position of the electronic pen is specified. The position of the electronic pen may be confirmed by checking the value of the component in the direction perpendicular to the folding axis 1040 among the coordinates. That is, the controller 1010 checks the sum of the signal ASWn,y generated by the conductive pattern 1021 and the signal ASWn+1,y generated by the conductive pattern 1031 to determine the conductive pattern 1021 . By combining the conductive pattern 1031 and the conductive pattern 1031 , the operation may be similar to considering a single conductive pattern.

According to various embodiments, the first end of the conductive pattern 1023 is connected to the reference terminal Vref of the controller 1010 , and the second end of the conductive pattern 1021 is connected to the nth input terminal of the controller 1010 . can According to various embodiments, the first end of the conductive pattern 1024 is connected to the reference terminal Vref of the controller 1010 , and the second end of the conductive pattern 1031 is connected to the nth input terminal of the controller 1010 . can

According to various embodiments, the electronic pen may generate a magnetic field in contact with the first digitizer and the second digitizer or in proximity to the first digitizer and the second digitizer, and this magnetic field may be referred to as a pen signal of the electronic pen . The magnetic field generated by the electronic pen may generate an induced current in each of the conductive patterns 1023 and 1024 , and the induced current generated in each of the conductive patterns 1023 and 1024 may be transmitted to the nth input terminal of the controller 1010 . . Here, as shown in FIG. 27 , since the second end of the conductive pattern 1023 and the second end of the conductive pattern 1024 are connected in parallel to the n-th input terminal of the controller 1010 , the The signal ASWn,x input to the n-th input terminal may be the sum of the signal ASWnL generated from the conductive pattern 1021 and the signal ASWnR generated from the conductive pattern 1031 . Accordingly, the controller 1010 controls the electronic device based on the sum of signals from a pair of conductive patterns (eg, the conductive pattern 1023 and the conductive pattern 1024 ) corresponding to the position in the direction of the folding axis 1040 . You can check the position of the pen. Specifically, the controller 1010 is based on the distribution of signals for identifying the coordinates in the direction parallel to the folding axis 1040 of the electronic pen, omitted from FIG. 27 , including the received signal ASWn,x Accordingly, the position of the electronic pen may be confirmed by checking the value of a component parallel to the folding axis 1040 among coordinates for specifying the position of the electronic pen.

Those skilled in the art will understand that FIG. 27 is a combination of the embodiments of FIGS. 23 and 25 . Various embodiments are not limited to the combination of the embodiment of FIGS. 23 and 25 , the combination of the embodiment of FIG. 24 and the embodiment of FIG. 25 , the combination of the embodiment of FIG. 23 and the embodiment of FIG. 26 , or the embodiment of FIG. 24 Those skilled in the art will understand that a combination of the embodiment of FIG. 26 is also possible.

28 is a flowchart illustrating an operation performed by an electronic device according to various embodiments of the present disclosure.

In operation 1110 , the controller (eg, the controller 610 ) included in the electronic device is folded among the first conductive patterns (eg, the conductive patterns 621 and 622 ) included in the first housing. A second conductive pattern (eg, conductive pattern) having a shortest distance from the folding axis in a first direction substantially perpendicular to an axis (eg, folding axis 640 ) and having a first width in the first direction A first signal (eg, signal ASWn) generated based on the pen signal from the electronic pen may be received from 621 ).

In operation 1120 , the controller (eg, the controller 610 ) included in the electronic device is folded among the third conductive patterns (eg, the conductive patterns 631 and 632 ) included in the second housing. A fourth conductive pattern (eg, conductive pattern) having the shortest distance from the folding axis in a second direction substantially perpendicular to the axis (eg, folding axis 640 ) and having a second width in the second direction A second signal (eg, signal ASWn+1) generated based on the pen signal may be received from ( 631 ).

In operation 1130 , the controller (eg, the controller 610 ) included in the electronic device includes a folding axis (eg, the first conductive patterns 621 and 622 ) in a first direction among the first conductive patterns (eg, the conductive patterns 621 and 622 ). For example, from a plurality of fifth conductive patterns (eg, conductive pattern 622) having a distance from the folding axis 640) longer than the second conductive pattern (eg, conductive pattern 621); A third signal (eg, signal ASWn-1) generated based on the pen signal may be received.

In operation 1140 , the controller (eg, the controller 610 ) included in the electronic device, among the third conductive patterns (eg, the conductive patterns 631 and 632 ), performs a folding axis ( For example, from the sixth conductive pattern (eg, the conductive pattern 632 ), the distance from the folding axis 640 ) is longer than the fourth conductive patterns (eg, the conductive pattern 631 ), the pen A fourth signal (eg, signal ASWn+2) generated based on the signal may be received.

In operation 1150, the controller (eg, the controller 610) included in the electronic device includes a sum of the first signal and the second signal (eg, ASWn+ASWn+1) and a third signal (eg, ASWn+ASWn+1). , signal ASWn-1), and a fourth signal (eg, signal ASWn+2), the direction perpendicular to the folding axis (eg, folding axis 640 ) of the electronic pen You can check the coordinates of

29 is a flowchart illustrating an operation performed by an electronic device according to various embodiments of the present disclosure. In operation 1210 , the controller (eg, the controller 810 ) included in the electronic device includes the seventh conductive patterns (eg, the conductive patterns 821 and 822 ) and the second included in the first housing. Among the eighth conductive patterns (eg, conductive patterns 831 and 832) included in the housing, a pair of conductive patterns corresponding to positions in the direction of the folding axis (eg, the folding axis 840) A signal based on the sum of the magnetic flux based on the pen signal passing through (eg, conductive pattern 821 and conductive pattern 831 , or conductive pattern 822 and conductive pattern 832 ) (eg, signal (ASWn, ASWn+1) may be received from the seventh conductive patterns and the eighth conductive patterns.

In operation 1220 , the controller (eg, the controller 810 ) included in the electronic device controls the seventh conductive patterns (eg, the conductive patterns 821 and 822 ) and the eighth conductive patterns (eg, the conductive patterns 821 and 822 ). For example, based on a signal (eg, signals ASWn, ASWn+1) received from conductive patterns 831 , 832 ), a folding axis (eg, folding axis 840 ) of the electronic pen ) in the direction parallel to the coordinates.

30 is a block diagram of an electronic device 201 in a network environment 200, according to various embodiments. The electronic device 201 of FIG. 30 may be at least partially similar to the electronic device 100 of FIGS. 1A to 2B , or may further include other embodiments of the electronic device.

Referring to FIG. 30 , in the network environment 200 , the electronic device 201 communicates with the electronic device 202 through a first network 298 (eg, a short-range wireless communication network) or a second network 299 . It may communicate with the electronic device 204 or the server 208 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 201 may communicate with the electronic device 204 through the server 208 . According to an embodiment, the electronic device 201 includes a processor 220 , a memory 230 , an input module 250 , a sound output module 255 , a display module 260 , an audio module 270 , and a sensor module ( 276), interface 277, connection terminal 278, haptic module 279, camera module 280, power management module 288, battery 289, communication module 290, subscriber identification module 296 , or an antenna module 297 . In some embodiments, at least one of these components (eg, the connection terminal 278 ) may be omitted or one or more other components may be added to the electronic device 201 . In some embodiments, some of these components (eg, sensor module 276 , camera module 280 , or antenna module 297 ) are integrated into one component (eg, display module 260 ). can be

The processor 220, for example, executes software (eg, the program 240) to execute at least one other component (eg, a hardware or software component) of the electronic device 201 connected to the processor 220 It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or computation, the processor 220 converts commands or data received from other components (eg, the sensor module 276 or the communication module 290 ) to the volatile memory 232 . may be stored in the volatile memory 232 , may process commands or data stored in the volatile memory 232 , and may store the result data in the non-volatile memory 234 . According to an embodiment, the processor 220 is the main processor 221 (eg, a central processing unit or an application processor) or a secondary processor 223 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 201 includes a main processor 221 and a sub-processor 223 , the sub-processor 223 may use less power than the main processor 221 or may be set to be specialized for a specified function. can The auxiliary processor 223 may be implemented separately from or as a part of the main processor 221 .

The auxiliary processor 223 may be, for example, on behalf of the main processor 221 while the main processor 221 is in an inactive (eg, sleep) state, or when the main processor 221 is active (eg, executing an application). ), together with the main processor 221 , at least one of the components of the electronic device 201 (eg, the display module 260 , the sensor module 276 , or the communication module 290 ). It is possible to control at least some of the related functions or states. According to one embodiment, the coprocessor 223 (eg, image signal processor or communication processor) may be implemented as part of another functionally related component (eg, camera module 280 or communication module 290). have. According to an embodiment, the auxiliary processor 223 (eg, a neural network processing unit) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 201 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 208). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 230 may store various data used by at least one component (eg, the processor 220 or the sensor module 276 ) of the electronic device 201 . The data may include, for example, input data or output data for software (eg, the program 240 ) and instructions related thereto. The memory 230 may include a volatile memory 232 or a non-volatile memory 234 .

The program 240 may be stored as software in the memory 230 , and may include, for example, an operating system 242 , middleware 244 , or an application 246 .

The input module 250 may receive a command or data to be used in a component (eg, the processor 220 ) of the electronic device 201 from the outside (eg, a user) of the electronic device 201 . The input module 250 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, an electronic pen).

The sound output module 255 may output a sound signal to the outside of the electronic device 201 . The sound output module 255 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 260 may visually provide information to the outside (eg, a user) of the electronic device 201 . The display module 260 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 260 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 270 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 270 acquires a sound through the input module 250 , or an external electronic device (eg, a sound output module 255 ) connected directly or wirelessly with the electronic device 201 . Sound may be output through the electronic device 202 (eg, a speaker or headphones).

The sensor module 276 detects an operating state (eg, power or temperature) of the electronic device 201 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 276 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 277 may support one or more specified protocols that may be used for the electronic device 201 to directly or wirelessly connect with an external electronic device (eg, the electronic device 202 ). According to an embodiment, the interface 277 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 278 may include a connector through which the electronic device 201 can be physically connected to an external electronic device (eg, the electronic device 202 ). According to an embodiment, the connection terminal 278 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 279 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 279 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 280 may capture still images and moving images. According to an embodiment, the camera module 280 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 288 may manage power supplied to the electronic device 201 . According to an embodiment, the power management module 288 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 289 may supply power to at least one component of the electronic device 201 . According to one embodiment, battery 289 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 290 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 201 and an external electronic device (eg, the electronic device 202, the electronic device 204, or the server 208). It can support establishment and communication performance through the established communication channel. The communication module 290 may include one or more communication processors that operate independently of the processor 220 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 290 is a wireless communication module 292 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 294 (eg, : It may include a LAN (local area network) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 298 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 299 (eg, legacy It may communicate with the external electronic device 204 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 292 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 296 within a communication network, such as the first network 298 or the second network 299 . The electronic device 201 may be identified or authenticated.

The wireless communication module 292 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 292 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 292 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna. The wireless communication module 292 may support various requirements specified in the electronic device 201 , an external electronic device (eg, the electronic device 204 ), or a network system (eg, the second network 299 ). According to an embodiment, the wireless communication module 292 includes a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).

The antenna module 297 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 297 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 297 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 298 or the second network 299 is connected from the plurality of antennas by, for example, the communication module 290 . can be selected. A signal or power may be transmitted or received between the communication module 290 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 297 .

According to various embodiments, the antenna module 297 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

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

According to an embodiment, the command or data may be transmitted or received between the electronic device 201 and the external electronic device 204 through the server 208 connected to the second network 299 . Each of the external electronic devices 202 or 204 may be the same as or different from the electronic device 201 . According to an embodiment, all or a part of operations executed in the electronic device 201 may be executed in one or more external electronic devices 202 , 204 , or 208 . For example, when the electronic device 201 is to perform a function or service automatically or in response to a request from a user or other device, the electronic device 201 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 201 . The electronic device 201 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 201 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 204 may include an Internet of things (IoT) device. The server 208 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 204 or the server 208 may be included in the second network 299 . The electronic device 201 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

According to various embodiments, the electronic device (eg, the electronic device 100 of FIG. 1A ) includes a first housing (eg, the first housing 110 of FIG. 1A ) and a hinge module (eg, the hinge module of FIG. 1B ). (140)) and a second housing (eg, the second housing 120 in FIG. 1A) that is foldably connected to the first housing based on a designated folding axis (A), and the support of the first housing A first region (eg, the first region 130a of FIG. 1B ), a second region (eg, the second region 130b of FIG. 1B ) supported by the second housing, and the first region are defined as the second region A display panel (eg, the third region 130c of FIG. 1B ) that is connected to the second region and includes a third region (eg, the third region 130c of FIG. 1B ) that can be bent through the hinge module (eg, the hinge module 140 of FIG. 1B ) : the display panel 430 of FIG. 5 ) and a metal sheet layer (eg, the metal sheet layer 450 of FIG. 5 ) disposed under the display panel, and a first pattern (eg, the metal sheet layer 450 of FIG. 5 ) facing the third region A bendable portion (eg, the bendable portion 453 of FIG. 5 ) including the first pattern 454 of FIG. 5 ), and a second pattern (eg, the bendable portion 453 of FIG. 5 ) extending from the bendable portion and facing the first region Example: the first flat portion (eg, the first flat portion 451 of FIG. 5 ) including the second pattern 455 of FIG. 5 ) and the bendable portion and facing the second region A metal sheet layer including a second flat portion (eg, the second flat portion 452 of FIG. 5 ) including a second pattern, and at least one digitizer (eg, the digitizer of FIG. 5 ) disposed under the metal sheet layer 460), wherein the first pattern and the second pattern have a plurality of openings (eg, the first pattern of FIG. 5 ) for wireless signal transmission between the electronic pen and the digitizer, with the metal sheet layer interposed therebetween. It may include a plurality of openings 4541 and a plurality of second openings 4551).

According to various embodiments, the plurality of openings may be formed to have an aperture ratio having an effective signal transmission ratio for wireless signal transmission between at least the electronic pen and the at least one digitizer.

According to various embodiments, the first pattern includes a plurality of first openings having a first aperture ratio (eg, the plurality of first openings 4541 of FIG. 5 ), and the second pattern includes the first A second plurality of openings (eg, the second plurality of openings 4551 of FIG. 5 ) having an aperture ratio equal to or lower than the aperture ratio may be included.

According to various embodiments, a bending characteristic of the bendable part may be determined through a shape and/or an arrangement structure of the plurality of first openings.

According to various embodiments, the rigidity of the first planar part and/or the second planar part may be determined based on a shape and/or an arrangement structure of the plurality of second openings.

According to various embodiments, the at least one digitizer (eg, the digitizer 460 of FIG. 9B ) may include a dielectric substrate (eg, the dielectric substrate 461 of FIG. 9B ) and the folding axis (eg, the dielectric substrate) of the dielectric substrate. In the first direction parallel to the folding axis (A) of FIG. 9B , the first plurality of conductive patterns (eg, the first conductive pattern 4621 of FIG. 9B ) disposed at a predetermined interval and the dielectric substrate, the A second direction intersecting the first direction may include a plurality of second conductive patterns (eg, the second conductive pattern 4622 of FIG. 9B ) disposed at predetermined intervals.

According to various embodiments, the at least one digitizer is disposed in a region overlapping with at least a portion of the bendable portion when the display panel is viewed from above, and a step region having a thinner thickness than a peripheral region (eg, FIG. 9A ) of the step region 4603).

According to various embodiments, the first conductive pattern or the second conductive pattern may be disposed in the stepped region.

According to various embodiments, the at least one digitizer is disposed to overlap at least a portion of the bendable portion when the display panel is viewed from above, and is formed to be larger than the display panel, so that the margin is not attached to the metal sheet layer. region (eg, margin region 4604 of FIG. 10 ).

According to various embodiments, the at least one digitizer is a wave formed by deforming the plurality of second conductive patterns in a zigzag manner in a region overlapping with at least a portion of the bendable portion when the display panel is viewed from above. It may include a pattern (eg, the wave conductive pattern 4623 of FIG. 11 ).

According to various embodiments, the at least one digitizer may include a plurality of third openings (eg, in FIG. A third pattern (eg, the third pattern 4606 of FIG. 12 ) including the openings 4606a of FIG. 12 ) may be included.

According to various embodiments, the first conductive pattern and/or the second conductive pattern avoids the plurality of third openings in a region at least partially overlapping with the bendable portion when the display pattern is viewed from above can be placed.

According to various embodiments, the at least one digitizer is disposed in a region overlapping with at least a portion of the first flat portion and the bendable portion when the display panel is viewed from above, and is disposed on a ground line (eg, in FIG. 15A ). When a first digitizer (eg, the first digitizer 481 of FIG. 15A ) including a first ground line 4816a) and the display panel are viewed from above, the second flat portion and at least a portion of the bendable portion overlap a second digitizer (eg, the second digitizer 482 of FIG. 15A ) disposed to have a space spaced apart from the first digitizer by a predetermined interval in the region to be used.

According to various embodiments, further comprising a processor operatively connected to the display panel, wherein the processor is, when the display panel is viewed from above, an unrecognized guide object (eg: The display panel may be controlled to display the unrecognized guide object 401 of FIG. 8B .

According to various embodiments, when the display panel is viewed from above, in an area overlapping with at least a portion of the first flat portion and the bendable portion, a first reinforcing plate (eg, the first reinforcing plate of FIG. 5 ) disposed under the digitizer When the first reinforcing plate 471) and the display panel are viewed from above, in a region overlapping with at least a portion of the second flat portion and the bendable portion, a second reinforcing plate (eg, FIG. 5 ) disposed under the digitizer of the second reinforcing plate 472).

According to various embodiments, the electronic device includes a first housing, a second housing at least partially foldably connected to each other through a hinge module, and a first housing supported by the first housing. A flexible display comprising: a region; a first region supported by the second housing; and a third region that connects the first region with the second region and can be bent through the hinge module, a window layer; A bendable portion comprising a display panel disposed under the window layer, a polymer layer disposed under the display panel, and a metal sheet layer disposed under the polymer layer, the first pattern facing the third region and a first flat portion extending from the bendable portion and including a second pattern facing the first region and the second pattern extending from the bendable portion and facing the second region a flexible display including a metal sheet layer including a second planar part and at least one digitizer disposed under the metal sheet layer, wherein the first pattern and the second pattern have the metal sheet layer interposed therebetween , may include a plurality of openings for wireless signal transmission between the electronic pen and the digitizer.

According to various embodiments, the plurality of openings may be formed to have an opening ratio having an effective signal transmission ratio for wireless signal transmission between at least the electronic pen and the digitizer.

According to various embodiments, the first pattern includes a plurality of first openings having a first aperture ratio, and the second pattern includes a plurality of second openings having an aperture ratio equal to or lower than the first aperture ratio. can do.

According to various embodiments of the present disclosure, the flexible display includes a window layer and a third region that is disposed under the window layer, connects the first region, the second region, and the first region to the second region, and can be bent A display panel comprising: a polymer layer disposed under the display panel; and a metal sheet layer disposed under the polymer layer, a bendable portion including a first pattern facing the third region; A first flat portion extending from the possible portion and including a second pattern facing the first region, and a second flat portion extending from the bendable portion and including the second pattern facing the second region a flexible display including a metal sheet layer comprising: and at least one digitizer disposed under the metal sheet layer, wherein the first pattern and the second pattern include an electronic pen and an electronic pen with the metal sheet layer interposed therebetween. It may include a plurality of openings for wireless signal transmission between the digitizers.

According to various embodiments, the plurality of openings are formed to have an aperture ratio having an effective signal transmission ratio for wireless signal transmission between at least the electronic pen and the digitizer, wherein the first pattern includes a first plurality of openings having a first aperture ratio. The second pattern may include openings, and the second pattern may include a plurality of second openings having an aperture ratio equal to or lower than the first aperture ratio.

According to various embodiments, the first digitizer may include a first substrate surface facing the display panel, a second substrate surface facing in a direction opposite to the first substrate surface, and a space between the first substrate surface and the second substrate surface. a dielectric substrate including a plurality of insulating layers disposed in space; a first plurality of conductive patterns disposed at predetermined intervals along a first direction in a first insulating layer among the plurality of insulating layers; In the second insulating layer between the insulating layer and the second sheet surface, a second plurality of conductive patterns disposed at a specified interval along a second direction different from the first direction and between the first plurality of conductive patterns at least one ground pattern disposed, electrically connected to the ground line, and at least partially exposed through the first substrate surface, wherein the at least one ground pattern comprises: the metal sheet layer and the metal sheet layer through the exposed portion; may be electrically connected.

According to various embodiments, a first electrical connection member disposed between the metal sheet layer and the first digitizer and connecting the exposed portion and the metal sheet layer may be further included.

According to various embodiments, when the display panel is viewed from above, under the first digitizer, a first reinforcing plate disposed in an area overlapping with the first digitizer and spaced apart from the first reinforcing plate, the display When the panel is viewed from above, the second reinforcing plate may further include a second reinforcing plate disposed under the second digitizer and in an area overlapping the second digitizer.

According to various embodiments, the first digitizer extends from the dielectric substrate and further includes a first extension attached to the first reinforcing plate in a bending manner, and is disposed to be exposed to the outside from the first extension. At least a portion of the ground line may be attached to the first reinforcing plate through a second electrical connecting member, such that the first reinforcing plate may be electrically connected to the ground.

According to various embodiments, it includes a bending part extending from the display panel and attached in such a manner as to be bent under the second reinforcing plate, and a flexible substrate connected to the bending part and attached under the second reinforcing plate, , the second reinforcing plate may be electrically connected to a ground through the flexible substrate connected to the ground.

According to various embodiments, the at least one digitizer is located in the inner space of the first housing and includes a first plurality of conductive patterns for generating a first signal based on a pen signal from the electronic pen. and a second digitizer positioned in the inner space of the second housing and including a plurality of second conductive patterns configured to generate a second signal based on the pen signal, wherein the second digitizer is positioned in the first housing and the first signal and a controller configured to confirm a position of the electronic pen based on the second signal, wherein the plurality of first conductive patterns have a first width in a first direction substantially perpendicular to the folding axis. a plurality of fifth conductive patterns including a third conductive pattern, and a distance from the third conductive pattern to the folding axis in the first direction is a conductive pattern other than the third conductive pattern among the first plurality of conductive patterns shorter than a distance of a pattern in the first direction to the folding axis, wherein the plurality of second conductive patterns include a fourth conductive pattern having a second width in a second direction substantially perpendicular to the folding axis, , a distance from the fourth conductive pattern to the folding axis in the second direction is up to the folding axis of a plurality of sixth conductive patterns that are conductive patterns other than the fourth conductive pattern among the second plurality of conductive patterns is shorter than the distance in the second direction, the plurality of fifth conductive patterns have a third width greater than the first width and the second width in the first direction, and the plurality of sixth conductive patterns includes: , may have the third width in the second direction.

According to various embodiments, the controller receives a third signal generated in the third conductive pattern based on the pen signal from the third conductive pattern, and receives a third signal generated in the third conductive pattern from the fourth conductive pattern based on the pen signal to receive a fourth signal generated from the fourth conductive pattern, and determine the position of the electronic pen based on the sum of the third signal and the fourth signal.

According to various embodiments, the controller may be located in a printed board assembly (PBA), and the second digitizer may be connected to the PBA through an FPCB crossing the folding axis.

According to various embodiments, the third width may be the sum of the first width and the second width.

According to various embodiments, a length in the folding axis direction of each of the first plurality of conductive patterns is longer than a width in the first direction of each of the first plurality of conductive patterns, and the plurality of second conductive patterns are A length of each of the folding axis directions is longer than a width of each of the second plurality of conductive patterns in the second direction, and the controller is configured to control the electronic pen based on at least one of the first signal and the second signal. of, may be set to check the coordinates in a direction perpendicular to the folding axis.

According to various embodiments, the first digitizer includes a plurality of seventh conductive patterns that generate a signal for identifying coordinates of the electronic pen in a direction parallel to the folding axis based on the pen signal, The second digitizer includes a plurality of eighth conductive patterns for generating a signal for identifying coordinates of the electronic pen in a direction parallel to the folding axis based on the pen signal, and the plurality of seventh conductive patterns A width of each of the patterns in the first direction is longer than a length of each of the plurality of seventh conductive patterns in the folding axis direction, and a width of each of the plurality of eighth conductive patterns in the second direction is equal to that of the plurality of eighth conductive patterns. Each of the patterns may be longer than a length in the direction of the folding axis.

According to various embodiments of the present disclosure, the controller may be configured to receive a signal generated based on the pen signal from the plurality of seventh conductive patterns and the plurality of eighth conductive patterns, and include the plurality of seventh conductive patterns and the plurality of eighth conductive patterns. based on a sum of signals from a pair of conductive patterns corresponding to positions in the folding axis direction among the eighth conductive patterns, the electronic pen may be set to identify coordinates in a direction parallel to the folding axis .

According to various embodiments, a first end of each of the plurality of seventh conductive patterns is connected to a reference end of the controller, and a second end of each of the plurality of eighth conductive patterns is connected to the reference end of the controller. connected, and the second end of the plurality of seventh conductive patterns is respectively connected to a first end of the conductive pattern corresponding to a position in the folding axis direction among the plurality of eighth conductive patterns and a plurality of input terminals of the controller, The controller checks the sum of signals from a pair of conductive patterns input to the plurality of input terminals and corresponding to positions in the folding axis direction among the plurality of seventh conductive patterns and the plurality of eighth conductive patterns, respectively can be set to

According to various embodiments, a first end of each of the plurality of seventh conductive patterns is connected to the controller, and a second end of each of the plurality of seventh conductive patterns is the folding of the plurality of eighth conductive patterns. A position in the axial direction may be connected to a first end of a corresponding conductive pattern, and a second end of each of the plurality of eighth conductive patterns may be connected to the controller.

According to various embodiments of the present disclosure, an electronic device includes a first housing, a second housing rotatably connected to the first housing about a folding axis, and a first housing located in the first housing and including a plurality of first conductive patterns. a digitizer, a second digitizer positioned within the second housing, the second digitizer including a second plurality of conductive patterns, and a position of the electronic pen positioned within the first housing, based on signals from the first digitizer and the second digitizer and a controller configured to: wherein the first plurality of conductive patterns include a third conductive pattern having a first width in a first direction substantially perpendicular to the folding axis, and the third conductive pattern is folded from the third conductive pattern. The distance in the first direction to the axis is greater than the distance in the first direction to the folding axis of a plurality of fifth conductive patterns that are conductive patterns other than the third conductive pattern among the first plurality of conductive patterns. Short, the plurality of second conductive patterns include a fourth conductive pattern having a second width in a second direction substantially perpendicular to the folding axis, and the second conductive pattern from the fourth conductive pattern to the folding axis A distance in the direction is shorter than a distance in the second direction to the folding axis of a plurality of sixth conductive patterns that are conductive patterns other than the fourth conductive pattern among the second plurality of conductive patterns, and 5 conductive patterns have a third width greater than the first width and the second width in the first direction, and the plurality of sixth conductive patterns have the third width in the second direction, A first end of the three conductive patterns is connected to the controller, a second end of the third conductive pattern is connected to a first end of the fourth conductive pattern, and a second end of the fourth conductive pattern is connected to the controller. can be connected

According to various embodiments, the controller may be located in a printed board assembly (PBA), and the second digitizer may be connected to the PBA through an FPCB crossing the folding axis.

According to various embodiments, a second end of the third conductive pattern may be connected to a first point on the PBA, and a first end of the fourth conductive pattern may be connected to the first point through the FPCB.

According to various embodiments, the third width may be the sum of the first width and the second width.

According to various embodiments, a length in the folding axis direction of each of the first plurality of conductive patterns is longer than a width in the first direction of each of the first plurality of conductive patterns, and the plurality of second conductive patterns are A length in each of the folding axis directions is longer than a width in the second direction of each of the second plurality of conductive patterns, and the controller is configured to: It may be set to check coordinates in a direction perpendicular to the folding axis.

According to various embodiments, the first digitizer may be configured to generate a plurality of seventh conductive patterns for generating signals for identifying coordinates of the electronic pen in a direction parallel to the folding axis based on the pen signal from the electronic pen. wherein the second digitizer includes a plurality of eighth conductive patterns for generating a signal for identifying coordinates of the electronic pen in a direction parallel to the folding axis based on the pen signal, A width in the first direction of each of the seventh conductive patterns is longer than a length in the folding axis direction of each of the plurality of seventh conductive patterns, and a width in the second direction of each of the plurality of eighth conductive patterns is the plurality of may be longer than a length in the folding axis direction of each of the eighth conductive patterns.

According to various embodiments of the present disclosure, the controller may be configured to receive a signal generated based on the pen signal from the plurality of seventh conductive patterns and the plurality of eighth conductive patterns, and include the plurality of seventh conductive patterns and the plurality of eighth conductive patterns. based on a sum of signals from a pair of conductive patterns corresponding to positions in the folding axis direction among the eighth conductive patterns, the electronic pen may be set to identify coordinates in a direction parallel to the folding axis .

According to various embodiments, a first end of each of the plurality of seventh conductive patterns is connected to a reference end of the controller, and a second end of each of the plurality of eighth conductive patterns is connected to the reference end of the controller. connected, and the second end of the plurality of seventh conductive patterns is respectively connected to a first end of the conductive pattern corresponding to a position in the folding axis direction among the plurality of eighth conductive patterns and a plurality of input terminals of the controller, The controller checks the sum of signals from a pair of conductive patterns input to the plurality of input terminals and corresponding to positions in the folding axis direction among the plurality of seventh conductive patterns and the plurality of eighth conductive patterns, respectively can be set to

According to various embodiments, a first end of each of the plurality of seventh conductive patterns is connected to the controller, and a second end of each of the plurality of seventh conductive patterns is the folding of the plurality of eighth conductive patterns. A position in the axial direction may be connected to a first end of a corresponding conductive pattern, and a second end of each of the plurality of eighth conductive patterns may be connected to the controller.

According to various embodiments of the present disclosure, a method performed by a controller of an electronic device including a first housing and a second housing rotatably connected about a folding axis may include one of a plurality of first conductive patterns included in the first housing. , generated based on a pen signal from the electronic pen from a second conductive pattern having a shortest distance from the folding axis in a first direction substantially perpendicular to the folding axis and having a first width in the first direction Receiving a first signal, among a plurality of third conductive patterns included in the second housing, having a shortest distance from the folding axis in a second direction substantially perpendicular to the folding axis in the second direction receiving a second signal generated based on the pen signal from a fourth conductive pattern having a second width, wherein the distance from the folding axis in the first direction among the plurality of first conductive patterns is the receiving a third signal generated based on the pen signal from a plurality of fifth conductive patterns longer than a second conductive pattern, a distance from the folding axis in the second direction among the plurality of third conductive patterns receiving a fourth signal generated based on the pen signal from a plurality of sixth conductive patterns that are longer than the fourth conductive pattern, and summing the first signal and the second signal, the third signal; and determining, based on the fourth signal, coordinates of the electronic pen in a direction perpendicular to the folding axis.

According to various embodiments of the present disclosure, in the method, among a plurality of seventh conductive patterns included in the first housing and a plurality of eighth conductive patterns included in the second housing, a pair corresponding to a position in the folding axis direction receiving from the plurality of seventh conductive patterns and the plurality of eighth conductive patterns a signal based on a sum of magnetic flux based on the pen signal passing through conductive patterns of the plurality of seventh conductive patterns and the plurality of The method may further include checking coordinates of the electronic pen in a direction parallel to the folding axis, based on a signal received from the eighth conductive pattern of .

In addition, the embodiments of the present invention disclosed in the present specification and drawings are merely provided for specific examples in order to easily explain the technical contents according to the embodiments of the present invention and help the understanding of the embodiments of the present invention, and to extend the scope of the embodiments of the present invention. It is not meant to be limiting. Therefore, in the scope of various embodiments of the present invention, in addition to the embodiments disclosed herein, all changes or modifications derived from the technical ideas of various embodiments of the present invention should be interpreted as being included in the scope of various embodiments of the present invention. .

100: electronic device 110: first housing
120: second housing 400: flexible display
430: display panel 440: polymer layer
450: metal sheet layer 451: first flat portion
452: second flat portion 453: bendable portion
460, 460a, 460b, 480, 481, 482: Digitizer

Claims (20)

In an electronic device,
a first housing;
a second housing that is foldably connected to the first housing through a hinge module based on a designated folding axis;
a first region supported by the first housing, a second region supported by the second housing, and a third region that connects the first region with the second region and can be bent through the hinge module; a display panel comprising;
As a metal sheet layer disposed under the display panel,
a bendable portion including a first pattern facing the third region;
a first flat portion extending from the bendable portion and including a second pattern facing the first region; and
a metal sheet layer extending from the bendable portion and including a second flat portion including the second pattern facing the second region; and
at least one digitizer disposed under the metal sheet layer;
The first pattern and the second pattern may include a plurality of openings for wireless signal transmission between the electronic pen and the digitizer, with the metal sheet layer interposed therebetween.
According to claim 1,
The plurality of openings are formed to have an aperture ratio having an effective signal transmission ratio for wireless signal transmission between at least the electronic pen and the at least one digitizer.
3. The method of claim 2,
The first pattern includes a first plurality of openings having a first aperture ratio,
The second pattern includes a plurality of second openings having an aperture ratio equal to or lower than the first aperture ratio.
4. The method of claim 3,
The bending characteristic of the bendable part is determined through a shape and/or an arrangement structure of the first plurality of openings.
4. The method of claim 3,
The rigidity of the first planar part and/or the second planar part is determined through a shape and/or an arrangement structure of the plurality of second openings.
According to claim 1,
the at least one digitizer,
dielectric substrate;
a plurality of first conductive patterns disposed at predetermined intervals in the dielectric substrate in a first direction parallel to the folding axis; and
and a plurality of second conductive patterns arranged at predetermined intervals in a second direction intersecting the first direction in the dielectric substrate.
7. The method of claim 6,
The at least one digitizer is disposed in a region overlapping at least a portion of the bendable portion when the display panel is viewed from above, and includes a step region having a thinner thickness than a peripheral region.
7. The method of claim 6,
the at least one digitizer is disposed to overlap at least a portion of the bendable portion when the display panel is viewed from above .
7. The method of claim 6,
The at least one digitizer includes a wave pattern formed by deforming the plurality of second conductive patterns in a zigzag manner in a region overlapping with at least a portion of the bendable portion when the display panel is viewed from above .
7. The method of claim 6,
The at least one digitizer may include a third pattern including a plurality of third openings formed in the dielectric substrate in a region overlapping with at least a portion of the bendable portion when the display panel is viewed from above. .
According to claim 1,
the at least one digitizer,
a first digitizer disposed in an area overlapping with at least a portion of the first flat portion and the bendable portion when the display panel is viewed from above and including a ground line; and
and a second digitizer spaced apart from the first digitizer in a region overlapping with at least a portion of the second flat portion and the bendable portion when the display panel is viewed from above.
12. The method of claim 11,
The first digitizer is
A dielectric comprising a first substrate surface facing the display panel, a second substrate surface facing in a direction opposite to the first substrate surface, and a plurality of insulating layers disposed in a space between the first substrate surface and the second substrate surface Board;
a plurality of first conductive patterns disposed at predetermined intervals along a first direction in a first insulating layer among the plurality of insulating layers;
in a second insulating layer between the first insulating layer and the second sheet surface, a plurality of second conductive patterns arranged at predetermined intervals along a second direction different from the first direction; and
at least one ground pattern disposed between the first plurality of conductive patterns, electrically connected to the ground line, and at least partially exposed through the first substrate surface;
The at least one ground pattern is electrically connected to the metal sheet layer through the exposed portion.
13. The method of claim 12,
and a first electrical connection member disposed between the metal sheet layer and the first digitizer and connecting the exposed portion and the metal sheet layer. 13. The method of claim 12,
a first reinforcing plate disposed under the first digitizer in an area overlapping the first digitizer when the display panel is viewed from above; and
and a second reinforcing plate spaced apart from the first reinforcing plate and disposed under the second digitizer and in an area overlapping the second digitizer when the display panel is viewed from above.
15. The method of claim 14,
The first digitizer further includes a first extension portion extending from the dielectric substrate and attached under the first reinforcing plate in a bending manner;
The first reinforcing plate is electrically connected to the ground by attaching at least a portion of the ground line exposed from the first extension to the first reinforcing plate through a second electrical connecting member.
16. The method of claim 15,
a bending part extending from the display panel and attached under the second reinforcing plate in a bending manner; and
and a flexible substrate connected to the bending part and attached under the second reinforcing plate,
The second reinforcing plate is electrically connected to a ground through the flexible substrate connected to the ground.
According to claim 1,
the at least one digitizer,
a first digitizer located in the inner space of the first housing and including a plurality of first conductive patterns for generating a first signal based on a pen signal from the electronic pen; and
a second digitizer positioned in the inner space of the second housing and including a plurality of second conductive patterns for generating a second signal based on the pen signal;
a controller located in the first housing and configured to confirm the position of the electronic pen based on the first signal and the second signal;
The plurality of first conductive patterns may include a third conductive pattern having a first width in a first direction substantially perpendicular to the folding axis, and in the first direction from the third conductive pattern to the folding axis. A distance of is shorter than a distance in the first direction to the folding axis of a plurality of fifth conductive patterns that are conductive patterns other than the third conductive pattern among the plurality of first conductive patterns,
The plurality of second conductive patterns may include a fourth conductive pattern having a second width in a second direction substantially perpendicular to the folding axis, and in the second direction from the fourth conductive pattern to the folding axis. A distance of is shorter than a distance in the second direction to the folding axis of a plurality of sixth conductive patterns that are conductive patterns other than the fourth conductive pattern among the plurality of second conductive patterns,
The plurality of fifth conductive patterns have a third width greater than the first width and the second width in the first direction,
The plurality of sixth conductive patterns have the third width in the second direction.
18. The method of claim 17,
The controller is
receiving, from the third conductive pattern, a third signal generated in the third conductive pattern based on the pen signal;
receiving, from the fourth conductive pattern, a fourth signal generated in the fourth conductive pattern based on the pen signal;
The electronic device is configured to confirm the position of the electronic pen based on the sum of the third signal and the fourth signal.
18. The method of claim 17,
The controller is located in a printed board assembly (PBA),
The second digitizer is connected to the PBA through an FPCB intersecting the folding axis.
18. The method of claim 17,
and the third width is a sum of the first width and the second width.

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