WO2022114647A1

WO2022114647A1 - Electronic device comprising rollable display

Info

Publication number: WO2022114647A1
Application number: PCT/KR2021/016796
Authority: WO
Inventors: 허재영; 박현섭; 김호종
Original assignee: 삼성전자 주식회사
Priority date: 2020-11-30
Filing date: 2021-11-16
Publication date: 2022-06-02
Also published as: KR20220076145A

Abstract

Various embodiments of the present invention relate to an electronic device comprising a rollable display, the electronic device comprising: a first housing; a second housing; a rollable display having a display area that is adjusted in association with the sliding movement of the second housing; a main bracket supporting a first portion of the rollable display; a sub-bracket which, in association with the sliding movement of the second housing, is inserted into a stepped surface of the main bracket or is drawn out from the stepped surface of the main bracket; a hinge rail which is supported by the sub-bracket, and supports a second portion of the rollable display in an expanded state; and a support plate seated on the main bracket to support the first portion of the rollable display, wherein at least one heat dissipation member may be arranged in at least a portion of the sub-bracket which is in contact with a portion of the main bracket in a contracted state. The present invention may further include various other embodiments.

Description

Electronic Device Including Rollable Display

Various embodiments of the present invention relate to an electronic device including a rollable display.

As display technology develops, research and development of an electronic device having a flexible display is being actively conducted. A flexible display can be folded, bent, rolled, or unfolded, and is also called a rollable display.

The rollable display is implemented in the form of an organic electroluminescent display device or a liquid crystal display device, and is manufactured by replacing a glass substrate with a flexible plastic film in, for example, a conventional liquid crystal display device and an organic electroluminescent display device. can do.

Recently, by applying a rollable display to an electronic device, research and development of a slideable electronic device in which the display area of the display is variable is active. The slideable electronic device may move such that a portion of the rollable display slides in or out from the inside of the housing of the electronic device in association with the sliding movement of the portion of the housing.

Various embodiments of the present disclosure may provide an electronic device including a rollable display capable of improving heat dissipation characteristics by including a heat dissipation member disposed to correspond to a shape of the electronic device being deformed.

The electronic device according to various embodiments of the present disclosure includes a first housing and slide movement from the first housing in an expanded state in a first direction, and slide movement in a second direction opposite to the first direction in a contracted state, so that the first housing a second housing coupled to the housing, a rollable display having a display area adjusted in association with the sliding movement of the second housing, a main bracket positioned inside the first housing and supporting the first portion of the rollable display; A sub bracket inserted into the stepped surface of the main bracket or drawn out from the stepped surface of the main bracket in association with the sliding movement of the second housing, supported by the sub bracket, and in the expanded state, a hinge rail for supporting a second portion, and a support plate seated on the main bracket to support the first portion of the rollable display, wherein at least one of the sub brackets is in contact with a portion of the main bracket in the contracted state. At least one heat dissipation member for diffusing heat may be disposed in a portion thereof.

An electronic device according to various embodiments of the present disclosure includes a heat dissipation member disposed to correspond to a change in the shape of the electronic device, thereby increasing heat dissipation characteristics and lowering the performance of the electronic device (eg, reducing communication function or reducing the processor performance degradation) can be avoided.

1 is a perspective view of an electronic device showing a slide-in state according to various embodiments of the present disclosure;

2 is a perspective view of an electronic device showing a slide-out state according to various embodiments of the present disclosure;

3 is an exploded perspective view of an electronic device according to various embodiments of the present disclosure;

4 is an exploded perspective view specifically illustrating a display support member of an electronic device according to various embodiments of the present disclosure;

5 is a combined perspective view of a display support member according to a contracted state.

6A is a front perspective view of a display support member in an expanded state;

6B is a rear perspective view of the display support member in an expanded state;

7 is a cross-sectional view of a display support member according to an exemplary embodiment.

8 is a configuration diagram of a fiber sheet forming a first heat transfer member and a second heat transfer member according to an embodiment.

9 is a configuration diagram of a fiber sheet according to a comparative example.

10 is a schematic cross-sectional view of an electronic device showing a slide-in state.

11 is a schematic cross-sectional view of an electronic device showing a slide-out state according to various embodiments of the present disclosure;

12 is a schematic exploded perspective view of a display support member according to another exemplary embodiment.

13 is a combined perspective view of the display support member shown in FIG. 12 according to a reduced state.

14 is a schematic cross-sectional view of the display support member shown in FIG. 12 according to a reduced state.

15 is a combined perspective view of a display support member according to another exemplary embodiment.

16 is a schematic cross-sectional view of a display support member according to another exemplary embodiment.

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

The various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C" each may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may be used simply to distinguish the element from other elements in question, and may refer to elements in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is "coupled" or "connected" to another (eg, second) component, with or without the terms "functionally" or "communicatively". When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

1 is a perspective view of an electronic device 100 illustrating a slide-in state according to various embodiments of the present disclosure. 2 is a perspective view of the electronic device 100 showing a slide-out state according to various embodiments of the present disclosure.

1 and 2 , an electronic device 100 according to various embodiments of the present disclosure may include a first housing 110 and a second housing 120 . According to an embodiment, the second housing 120 may move from the first housing 110 in a designated direction, for example, in a first direction (x-direction). For example, the second housing 120 may slide from the first housing 110 by a specified distance (eg, the second width w2) in the first direction (x-direction). According to an embodiment, the second housing 120 may reciprocate from the first housing 110 in the first direction (x-direction) by the specified distance (eg, the second width w2).

In various embodiments of the present document, the state in which the second housing 120 slides from the first housing 110 in the first direction (x-direction) is the expanded state (or the slide-out state) of the electronic device 100 . slide-out state), the first state). In various embodiments of the present document, a state in which the second housing 120 slides in a second direction (-x direction) opposite to the direction of the first housing 110, for example, the first direction (x direction) It may be defined as a contracted state (or a slide-in state, a second state) of the electronic device 100 .

When the electronic device 100 according to various embodiments of the present disclosure is switched to the expanded state and/or the contracted state, the user may manually switch the electronic device 100 or the first housing 110 or the second housing 120 It can be switched automatically via a drive mechanism disposed therein (eg, a drive motor, a reduction gear module and/or a gear assembly). According to an embodiment, the driving mechanism may trigger an operation based on a user input. According to an embodiment, the user input for triggering the operation of the driving mechanism may include a touch input through the rollable display 130 , a force touch input, and/or a gesture input. In another embodiment, the user input for triggering the operation of the actuation mechanism may include a voice input (voice input), or an input of a physical button exposed externally of the first housing 110 or the second housing 120 . can

According to an embodiment, the electronic device 100 is called a slideable electronic device 100 as the second housing 120 can slide, or at least a portion of the rollable display 130 is As it is designed to be wound inside the second housing 120 (or the first housing 110 ) based on the sliding movement of the second housing 120 , it may be referred to as the rollable electronic device 100 .

According to an embodiment, in the electronic device 100 , the second housing 120 may be at least partially slidably coupled from the first housing 110 .

According to the illustrated embodiment of the present invention, the first housing 110 of the electronic device 100 may include

side members

110a and 110b surrounding the side surface of the electronic device 100 . According to an embodiment, the

side members

110a and 110b of the first housing 110 are not inserted into the second housing 120 and are always exposed to the outside in the expanded state and the contracted state of the electronic device 100 . It may include a first side member 110a that is formed, and a second side member 110b that is inserted or drawn out into the inner space of the second housing 120 through one side of the second housing 120 . For example, the second side member 110b of the first housing 110 may not be exposed to the outside in the contracted state, but may be exposed to the outside in the expanded state.

According to another embodiment, although not shown, according to one embodiment, a portion of the second housing 120 may be inserted or withdrawn into the interior of the first housing 110 . For example, although not shown, when the second housing 120 slides in the first direction (x-direction), a portion of the second housing 120 may be withdrawn from the inner space of the first housing 110 . . For example, although not shown, when the second housing 120 slides in a second direction (-x direction) opposite to the first direction (x-direction), a portion of the second housing 120 is part of the first housing It is inserted from the inner space of 110 and may not be exposed to the outside.

According to an embodiment, the electronic device 100 is coupled to an end of the second housing 120 and supports a bendable hinge rail 350 (eg, in FIG. 3 ) supporting at least a portion of the rollable display 130 . hinge rail 350) (eg, a multi-bar assembly). For example, when the second housing 120 slides, the hinge rail 350 is at least partially introduced into the inner space of the second housing 120 while supporting the rollable display 130 , or the second housing 120 . can be withdrawn from the internal space of For example, during the transition from the contracted state to the expanded state, the hinge rail 350 may be drawn out from the inner space of the second housing 120 while supporting the rollable display 130 . For example, during the transition from the expanded state to the contracted state, the hinge rail 350 may be introduced into the inner space of the second housing 120 while supporting the rollable display 130 .

According to an embodiment, the hinge rail 350 may be supported by the sub bracket 320 (eg, the sub bracket 320 of FIG. 3 ) disposed inside the second housing 120 . According to an embodiment, the hinge rail 350 may be drawn into or out of the inner space of the second housing 120 based on the movement of the sub bracket 320 .

Although not shown, according to another embodiment, the hinge rail 350 may be coupled to an end of the first housing 110 . In this case, the hinge rail 350 is drawn out from the inner space of the first housing 110 in association with the sliding movement of the second housing 120 in the first direction (x-direction), and the second housing 120 . It may be inserted into the inner space of the first housing 110 in association with the sliding movement in the second direction (-x direction).

According to an embodiment, the second housing 120 supports a portion (eg, the second portion 130b) of the rollable display 130 and expands the display area of the rollable display 130 as it slides. Alternatively, the display area of the rollable display 130 may be reduced.

According to various embodiments, the electronic device 100 may include the rollable display 130 disposed to receive support from the first housing 110 and the second housing 120 .

According to an embodiment, the rollable display 130 includes a first portion 130a supported by the first housing 110 , and extending from the first portion 130a , supported by the hinge rail 350 . A second portion 130b may be included.

According to an embodiment, when the electronic device 100 is in a contracted state, the second portion 130b of the rollable display 130 may have an internal space of the second housing 120 (or the first housing 110 ). It may be introduced so as not to be introduced to the outside and not exposed to the outside. According to an embodiment, the second part 130b of the rollable display 130 extends from the first part 130a while being supported by the hinge rail 350 when the electronic device 100 is in an extended state. can be exposed to the outside.

According to an embodiment, the display area of the rollable display 130 in the contracted state may have a first width w1 by exposing only the first portion 130a of the rollable display 130 .

According to an embodiment, the display area of the rollable display 130 in the expanded state is a second width greater than the first width w1 by exposing the first portion 130a and the second portion of the rollable display 130 . It may have a third width w3 as large as (w2). For example, in the expanded state, the display area of the rollable display 130 may be expanded by the second width w2, which is the maximum width of the second portion 130b.

In various embodiments of the present document, since the first portion 130a of the rollable display 130 is fixedly exposed to the outside regardless of the movement of the second housing 120, it may be defined as a “fixed display area”. have. In various embodiments of the present document, the second portion 130b of the rollable display 130 is exposed to the outside based on the movement of the second housing 120 or is inside (or Since it is inserted into the first housing 110) and is not exposed to the outside, it may be defined as a “variable display area”.

According to various embodiments, although not shown, the electronic device 100 may include a sensor module and a camera device.

According to an embodiment, the sensor module (eg, an illuminance sensor) is disposed below the rollable display 130 (eg, in the -z direction from the rollable display 130 ), and passes through the rollable display 130 to receive It is possible to detect the external environment based on the information (eg, light).

According to an embodiment, the sensor module includes 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, an illuminance sensor, and a proximity sensor. , may include at least one of a biosensor, an ultrasonic sensor, and an illuminance sensor.

According to an embodiment, the camera device may include one lens or two or more lenses (eg, a wide-angle lens, an ultra-wide-angle lens, or a telephoto lens) and image sensors. In some embodiments, the camera device may include lenses and/or an image sensor for time of flight (TOF).

An electronic device (eg, the electronic device 100 of FIG. 1 ) according to various embodiments is provided from a first housing (eg, the first housing 110 of FIG. 1 ), in an expanded state, from the first housing 110 . A second housing that slides in a first direction and slides in a second direction opposite to the first direction in a contracted state to be coupled to the first housing 110 (eg, the second housing 120 in FIG. 1 ) ), a rollable display whose display area is adjusted in association with the sliding movement of the second housing 120 (eg, the rollable display 130 of FIG. 1 ), located inside the first housing 110 , and the The main bracket (eg, the main bracket 310 of FIG. 3 ) supporting the first part 130a of the rollable display 130 is linked to the sliding movement of the second housing 120 to the main bracket 310 A sub bracket inserted into the stepped surface 312 of the main bracket 310 or drawn out from the stepped surface 312 of the main bracket 310 (eg, the sub bracket 320 in FIG. 3 ), supported by the sub bracket 320 . and a hinge rail (eg, the hinge rail 350 of FIG. 3 ) supporting the second part 130b of the rollable display 130 in the expanded state, and the roller by being seated on the main bracket 310 . The sub includes a support plate (eg, the support plate 330 of FIG. 3 ) for supporting the first portion 130a of the display display 130 , and is in contact with a portion of the main bracket 310 in the contracted state. At least one heat dissipation member for diffusing heat may be disposed on at least a portion of the bracket 320 .

According to an embodiment, the front surface of the main bracket 310 opposite to the first portion 130a of the rollable display 130 has a first surface, a height lower than the first surface, and the support plate ( A first stepped surface (eg, the first stepped surface 312a in FIG. 4 ) on which the 330 is seated, and a plurality of ribs ( Example: The plurality of ribs 322) of FIG. 4 may include at least one second stepped surface (eg, the second stepped surface 312b of FIG. 4 ) into which the ribs are inserted or withdrawn.

According to an embodiment, an adhesive member for attaching the support plate 330 to the first stepped surface 312a may be further included.

According to an embodiment, the adhesive member may include at least one slit formed by removing portions corresponding to the second stepped surface 312b.

According to an embodiment, the sub-bracket 320 includes the plurality of ribs 322 (ribs) arranged in the first direction and inserted into or withdrawn from the second stepped surface 312b, and the plurality of and a roller that connects the ribs 322 at one end and is arranged in a third direction perpendicular to the first direction, wherein the plurality of ribs 322 includes a plurality of the hinge rails 350 arranged in the third direction. The heat dissipation member for supporting the hinge bars of the ribs 322 and diffusing the heat may be attached to the plurality of ribs 322 .

According to an embodiment, the heat dissipation member includes a first heat transfer member formed on a first surface of each of the plurality of ribs 322 facing the second stepped surface 312b in a contracted state, and a contracted state. may include a second heat transfer member formed on a second surface of each of the plurality of ribs 322 facing the support plate 330 .

According to an embodiment, a material of the first heat transfer member and the second heat transfer member may include a thermal interface material (TIM) including heat dissipation particles.

According to an embodiment, the first heat transfer member and the second heat transfer member may further include a graphite sheet manufactured in a laminated form.

According to one embodiment, the material of the support plate 330 may include at least one of Al (aluminum), Cu (copper), or an alloy of Al.

According to an embodiment, the material of the support plate 330 includes SUS (steel use stainless), but some surfaces of the support plate 330 include GR fiber, CNT (carbon nano tube), Ag (silver), At least one of the nano wires may be coated.

According to an exemplary embodiment, a heat dissipation sheet may be attached to the rear surface of the rollable display 130 in contact with the support plate 330 and the hinge rail 350 .

According to an embodiment, the material of the heat dissipation sheet may include any one of GR fiber, CNT, Ag nano wire, GR Sheet, and Cu Sheet.

According to an embodiment, a third heat transfer member including a TIM may be disposed on an upper surface of the main bracket 310 on which the support plate 330 is seated.

According to an embodiment, a fourth heat transfer member including a TIM may be disposed on at least a partial surface of the first housing in contact with the second housing in the reduced state.

According to an embodiment, in the collapsed state, a fifth heat transfer member including a TIM may be disposed on an inner sidewall of the first housing in contact with the inner sidewall of the second housing.

According to an embodiment, a seventh heat transfer member including a TIM is disposed on at least a partial surface of the second housing that is in contact with or overlaps with the circuit board disposed inside the first housing in the reduced state. can be

The electronic device 100 according to various embodiments includes a rollable display 130 and a display support member for supporting the rollable display 130 , and includes a main bracket (eg, the main bracket 1210 of FIG. 12 ). ), a slide plate coupled to be slidably movable in the first direction with respect to the main bracket 1210 (eg, the slide plate 1220 of FIG. 12 ), and coupled to an end of the slide plate 1220 , the slide A hinge rail (eg, the hinge rail of FIG. 12 ) on which the plate 1220 moves from the lower part of the main bracket 1210 to the upper surface of the main bracket 1210 and is seated in association with the sliding movement in the first direction. 1230)), the slide plate 1220 slides in a first direction while seated on the upper surface of the main bracket 1210 in an expanded state, and is in a contracted state. The slide plate 1220 slides in a second direction opposite to the first direction, so that portions corresponding to substantially the entire area of the slide plate 1220 are seated on the main bracket 1210, and the A heat transfer member (eg, the heat transfer member 1310 of FIG. 13 ) may be disposed on the upper surface of the main bracket 1210 .

According to an embodiment, the material of the heat transfer member may include a thermal interface material (TIM) including heat dissipation particles.

According to an embodiment, the heat transfer member may include the slide plate 1220 or It may be transmitted to the hinge rail 1230 .

According to an embodiment, a plurality of grooves 1611 may be formed at intervals on the upper surface of the main bracket 1210 , and the heat transfer member may be disposed in the plurality of grooves 1611 .

3 is an exploded perspective view of the electronic device 100 according to various embodiments of the present disclosure.

The electronic device 100 illustrated in FIG. 3 may include an embodiment that is at least partially similar to or different from the electronic device 100 illustrated in FIGS. 1 and 2 . Hereinafter, in conjunction with FIG. 3 , only features of the electronic device 100 that are not described or changed in FIGS. 1 and 2 will be described.

Referring to FIG. 3 , an electronic device (eg, the electronic device 100 of FIG. 1 ) according to various embodiments may include a first housing 110 and a second housing 120 .

According to one embodiment, in the interior of the first housing 110, the main bracket 310, the battery 370, and / or the first printed circuit board 360) (eg, printed circuit board (PCB), FPCB (a flexible PCB), or a rigid-flexible PCB (RFPCB) may be disposed.

According to one embodiment, at least a portion of the front surface of the main bracket 310, as will be described later with reference to FIG. 4, the support plate 330 may be seated. According to an embodiment, the support plate 330 may be coupled to at least a portion of the front surface of the main bracket 310 (eg, the first stepped surface 312a of FIG. 4 ) by the adhesive member 340 . According to an embodiment, the support plate 330 may support a portion of the rollable display 130 (eg, a portion of the first portion 130a).

According to an embodiment, the main bracket 310 may be formed of, for example, a metal material and/or a non-metal (eg, polymer) material. According to an embodiment, the main bracket 310 may support a portion (eg, the first portion 130a) of the rollable display 130 through the front surface of the main bracket 310 .

According to an embodiment, a processor (not shown), a memory (not shown), and/or an interface (not shown) may be mounted on the first printed circuit board board 360 . The processor (not shown) may include, for example, one or more of a central processing unit, an application processor, a graphic processing unit, an image signal processor, a sensor hub processor, and a communication processor.

According to an embodiment, the memory (not shown) may include, for example, a volatile memory or a non-volatile memory.

According to an embodiment, the interface (not shown) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface. The interface may, for example, electrically or physically connect the electronic device 100 to an external electronic device, and may include a USB connector, an SD card/MMC connector, or an audio connector.

According to an embodiment, the battery 370 is a device for supplying power to at least one component of the electronic device 100 , for example, a non-rechargeable primary battery, or a rechargeable secondary battery, or fuel. It may include a battery. At least a portion of the battery 370 may be disposed substantially on the same plane as the first printed circuit board 360 . According to an embodiment, the battery 370 may be integrally disposed inside the electronic device 100 . In another embodiment, the battery 370 may be detachably disposed from the electronic device 100 .

According to an embodiment, an antenna (not shown) may be disposed inside the first housing 110 . For example, the antenna may be disposed between the main bracket 310 and the rear cover 380 of the first housing 110 . The antenna may include, for example, a near field communication (NFC) antenna, a wireless charging antenna, and/or a magnetic secure transmission (MST) antenna. The antenna may, for example, perform short-range communication with an external device or wirelessly transmit/receive power required for charging.

According to an embodiment, the rear surface of the first housing 110 (eg, the surface facing the -z direction in the first housing 110 ) may be coupled to the rear cover 380 . According to an embodiment, the rear cover 380 may be formed of an opaque material. According to one embodiment, the back cover 380 is, for example, coated or tinted glass, ceramic, polymer, metal (eg, aluminum, stainless steel, or magnesium), or a combination of at least two of the above materials. can be formed by According to an embodiment, the rear cover 380 is coupled to a side member of the first housing 110 (eg, the

side members

110a and 110b of FIG. 2 ), or a side member of the first housing 110 . It may be formed integrally with (110a, 110b).

Although not shown, the electronic device 100 includes a second rear cover 380 (not shown) coupled to the rear surface of the second housing 120 (eg, the surface facing the -z direction in the second housing 120 ). may include more. In this case, the second rear cover 380 may be formed of substantially the same material as the rear cover 380 .

According to an embodiment, a sub bracket 320 or a hinge rail 350 may be disposed inside the second housing 120 .

According to an embodiment, the sub bracket 320 is disposed at one end of a plurality of ribs 322 and a plurality of ribs 322 arranged in a first direction (x-direction) to provide a plurality of ribs 322 ) connected at the one end, and may include a roller 321 arranged in a third direction (y direction) perpendicular to the first direction (x direction). According to an embodiment, the plurality of ribs 322 may be spaced apart from each other. According to an embodiment, the roller 321 may have a bar shape or a cylindrical shape arranged in the third direction (y-direction).

According to an embodiment, the sub bracket 320 may be inserted into a portion of the main bracket 310 in association with the sliding movement of the second housing 120 , or may be separated from a portion of the main bracket 310 . For example, the plurality of ribs 322 of the sub bracket 320 may slide in as a part of the main bracket 310 in a contracted state. For example, the plurality of ribs 322 of the sub bracket 320 may slide out from a portion of the main bracket 310 in the expanded state. According to one embodiment, the main bracket 310, as will be described later with reference to FIG. 4, in the contracted state, the plurality of ribs 322 of the sub bracket 320 are inserted and seated on at least one stepped surface (eg : The second stepped surface 312b of FIG. 4) may be included.

According to an embodiment, the hinge rail 350 may support a portion (eg, the second portion 130b) of the rollable display 130 while being supported by the sub bracket 320 . According to an embodiment, the hinge rail 350 includes a plurality of hinge bars arranged in a third direction (y direction) perpendicular to the first direction (x direction) in which the second housing 120 slides. (351) may be a combined part. The hinge rail 350 according to various embodiments of the present document may be referred to as a multi-joint hinge, a multi-bar assembly, or a hinge-bar assembly.

The electronic device 100 according to various embodiments may omit at least one of the components described with reference to FIG. 3 or may additionally include other components.

4 is an exploded perspective view specifically illustrating the display support member 401 of the electronic device 100 according to various embodiments of the present disclosure.

The electronic device 100 illustrated in FIG. 4 may include an embodiment that is at least partially similar to or different from the electronic device 100 illustrated in FIGS. 1 to 3 . Hereinafter, in conjunction with FIG. 4 , only features of the electronic device 100 that are not described or changed in FIGS. 1 to 3 will be described.

Referring to FIG. 4 , in the electronic device (eg, the electronic device 100 of FIG. 1 ) according to various embodiments, a main bracket 310 , a support plate 330 mounted on a portion of the front surface of the main bracket 310 . ), an adhesive member 340 for coupling (or bonding) the support plate 330 to a part of the front surface of the main bracket 310, and a part of the main bracket 310 in conjunction with the sliding movement of the second housing 120. It may include a hinge rail 350 that supports a part (eg, the second part 130b) of the rollable display 130 while being supported by the sub bracket 320 to be coupled, and/or the sub bracket 320 . have.

In various embodiments of the present document, since the components are members for supporting the rollable display 130 , they may be defined as “display support members 401 ”. For example, the display support member 401 according to various embodiments of the present document may include a main bracket 310 , a support plate 330 , an adhesive member 340 , a sub bracket 320 , and/or a hinge rail. may be defined as including 350 .

According to an embodiment, the main bracket 310 and the support plate 330 may be components for substantially supporting the first portion 130a of the rollable display 130 . According to an embodiment, the sub bracket 320 and the hinge rail 350 may be components for substantially supporting the second portion 130b of the rollable display 130 .

According to an embodiment, the front surface of the main bracket 310 may include a first surface 311 and a stepped surface 312 formed in a portion adjacent to the sub bracket 320 from the first surface 311 . According to one embodiment, the support plate 330 may be seated on the stepped surface 312 of the main bracket 310 . According to an embodiment, the upper surface of the support plate 330 may be formed substantially parallel to the first surface 311 of the main bracket 310 by being seated on the stepped surface 312 of the main bracket 310 . have. Accordingly, the first surface 311 of the main bracket 310 and the upper surface of the support plate 330 may support the first portion 130a of the rollable display 130 without irregularities.

According to one embodiment, the stepped surface 312 of the main bracket 310 is lower than the first stepped surface 312a for supporting the support plate 330 , and the first stepped surface 312a of the sub bracket 320 . The plurality of ribs 322 may include a plurality of second stepped surfaces 312b that slide in or out. According to an embodiment, the plurality of second stepped surfaces 312b are formed as many as the number of the plurality of ribs 322 and are formed to correspond to the shape (eg, length and/or height) length of the plurality of ribs 322 . can be According to an embodiment, the first stepped surface 312a may have a height lower than that of the first surface 311 , and the second stepped surfaces 312b may have a lower height than the first stepped surface 312a.

According to one embodiment, as the second stepped surfaces 312b are formed to correspond to the shape (eg, length and/or height) length of the plurality of ribs 322 of the sub bracket 320 , the plurality of ribs 322 are formed. ) may have a structure in which they are inserted or drawn out in a slide manner. For example, the height of the step formed between the first stepped surface 312a and the second stepped surface 312b may be greater than the height of the plurality of ribs 322 . According to one embodiment, although not shown, the second stepped surface 312b has a rail-shaped groove (not shown) or at least one stepped (eg, flow prevention in FIG. 7 ) for guiding the movement of the plurality of ribs 322 . A step 721) may be formed.

According to one embodiment, the material of the support plate 330 includes at least one of Al (aluminum), Cu (copper), or an alloy of Al, thereby stably supporting the rollable display 130 and making the rollable display 130 rollable. It may perform a function of expanding heat generated from the periphery of the display 130 or the rollable display 130 .

In some embodiments, the material of the support plate 330 may include steel use stainless (SUS). For example, when the material of the support plate 330 includes SUS, heat transfer efficiency may be lower than when the material of the support plate 330 includes at least one of Al, Cu, or an alloy of Al. In one embodiment, when the material of the support plate 330 includes SUS, a GR (graphite) or CU sheet is attached to at least a portion of the surface of the support plate 330 to increase heat transfer efficiency. In another embodiment, in one embodiment, when the material of the support plate 330 includes SUS, at least a portion of the surface of the support plate 330, GR fiber, CNT (carbon nano tube), Ag (silver) nano By applying a material such as wire, heat transfer efficiency can be increased.

According to an embodiment, the adhesive member 340 may be a double-sided adhesive film. According to an embodiment, the adhesive member 340 may include a plurality of slits 341 formed by removing portions overlapping the second stepped surface 312b. For example, the adhesive member 340 may be formed only on a portion overlapping the first stepped surface 312a to attach the first stepped surface 312a and the support plate 330 to each other.

According to one embodiment, the sub bracket 320 connects a plurality of ribs 322 and a plurality of ribs 322 arranged in a first direction (x direction) at one end, and the first direction (x direction) ) may include a roller 321 arranged in a third direction (y direction) perpendicular to the. According to an embodiment, the plurality of ribs 322 may be disposed at intervals, and the roller 321 may be disposed at one end of the plurality of ribs 322 . According to an embodiment, the roller 321 may have a bar shape or a cylindrical shape arranged in the third direction (y-direction). The sub bracket 320 moves in the second direction (-x direction) in which the main bracket 310 is located in association with the movement of the second housing 120 , or in a first direction (x) opposite to the main bracket 310 . direction) can be moved. For example, the sub bracket 320 moves in the first direction (x direction) in association with the sliding movement of the second housing 120 in the first direction (x direction), and the second housing 120 moves in the second direction (x direction). It can move in the second direction (-x direction) in conjunction with sliding movement in the second direction (-x direction).

According to an embodiment, the hinge rail 350 supports a portion (eg, the second portion 130b) of the rollable display 130 while being supported by the plurality of ribs 322 of the sub bracket 320 . can do. For example, the plurality of ribs 322 are arranged in the first direction (x-direction), while the plurality of hinge bars 351 of the hinge rail 350 (eg, the hinge bars 351 of FIG. 3 ) are arranged in the first direction (x-direction). As they are arranged in the third direction (y-direction) perpendicular to the first direction (x-direction), the rigidity supporting the hinge bars 351 may be increased, and as a result, the rollable display 130 may be stably supported. .

5 is a combined perspective view of the display support member 401 according to a contracted state. 6A and 6B are combined perspective views of the display support member 401 according to the expanded state. For example, FIG. 6A may be a front perspective view of the display support member 401 in an expanded state, and FIG. 6B may be a rear perspective view of the display support member 401 in an expanded state.

The electronic device 100 illustrated in FIGS. 5 and 6A and 6B may include embodiments that are at least partially similar to or different from those of the electronic device 100 illustrated in FIGS. 1 to 4 .

Hereinafter, only the features of the electronic device 100 that are not described or changed in FIGS. 1 to 4 will be described in conjunction with FIGS. 5 and 6A and 6B .

Referring to FIG. 5 , in the contracted state, the display supporting member (eg, the display supporting member 401 of FIG. 4 ) of the electronic device (eg, the electronic device 100 of FIG. 1 ) is the first of the main bracket 310 . The surface 311 and the support plate 330 seated on the stepped surface 312 of the main bracket 310 may support the first portion 130a of the rollable display 130 . For example, in the contracted state, the plurality of ribs 322 of the sub bracket 320 are formed by the second stepped surface of the first housing 310 (eg, the second stepped surface 312b in FIG. 3 ). slide into the space, and the hinge rail 350 guides the second part 130b of the rollable display 130 to slide into the inside of the second housing (eg, the second housing 120 in FIG. 3 ). can

According to an embodiment, in the contracted state, in the rollable display 130, only the first portion 130a is exposed to the outside through the front direction (eg, the z direction) of the electronic device 100, and the second portion ( 130b) may not be exposed to the outside. For example, the second part 130b may be slid into the inside of the second housing 120 by a guide of a hinge rail (eg, the hinge rail 350 of FIG. 4 ).

Referring to FIGS. 6A and 6B , the display supporting member (eg, the display supporting member 401 of FIG. 4 ) of the electronic device (eg, the electronic device 100 of FIG. 1 ) in the expanded state includes a main bracket 310 . The support plate 330 seated on the first surface 311 of the main bracket 310 and the stepped surface 312 of the first part (eg, the rollable display 130 of FIG. 5 ) of the rollable display : The hinge rail 350 supported by the sub bracket 320 and supporting the first part 130a of FIG. 5 is the second part of the rollable display 130 (eg, the second part of FIG. 5 ) 130b)) can be supported. For example, in the expanded state, the plurality of ribs 322 of the sub bracket 320 are formed by the second stepped surface of the first housing 310 (eg, the second stepped surface 312b in FIG. 3 ). The hinge rail 350 slides out from the space, and the second part 130b of the rollable display 130 slides out from the inside of the second housing (eg, the second housing 120 in FIG. 3 ) to the outside. You can guide it to be exposed. When the second part 130b of the rollable display 130 is exposed to the outside, the hinge rail 350 may support the second part 130b.

According to an embodiment, in the expanded state, the rollable display 130 moves the first part 130a and the second part 130b to the outside through the front direction (eg, the z direction) of the electronic device 100 . may be exposed. In this case, the first portion 130a of the rollable display 130 exposed to the outside is substantially, the first surface 311 of the main bracket 310 and the stepped surface 312 of the main bracket 310 . The second part 130b of the rollable display 130 that is supported by the support plate 330 seated on the pole and is exposed to the outside is substantially supported by the hinge rail 350 supported by the sub bracket 320 . can do. According to an embodiment, in the expanded state, the hinge rail 350 may be supported by the plurality of ribs 322 of the sub bracket 320 .

The display support member 401 according to various embodiments of the present disclosure includes a heat dissipation member disposed to correspond to a deformation of the shape of the electronic device 100 , thereby increasing heat dissipation characteristics and lowering the performance of the electronic device (eg, : Degradation of communication function or degradation of processor performance) can be prevented. For example, the display support member 401 according to various embodiments of the present disclosure includes at least one component (eg, an application processor, a communication processor) disposed on a printed circuit board (PCB) (eg, the PCB of FIG. 10 ). , mmWave antennas, light detection and ranging (LiDAR) sensors, and/or time-of-flight cameras) with a shield can (not shown) covering the component, and a thermal interface material (TIM) in contact with the shield can. ), and/or a heat dissipation member (eg, a vapor chamber or graphite sheet). The display support member 401 according to various embodiments of the present disclosure includes the heat dissipation member, so that the heat transferred from the component is transferred in a first direction (eg, the x-direction in FIG. 1 ) and in a second direction (eg, the x-direction). : Forms a heat dissipation path that transmits the heat not only in the y-direction in FIG. 1), but also in a third direction (eg, the z-direction in FIG. 1) perpendicular to the first direction (eg, the x-direction in FIG. 1) can do. Hereinafter, a heat dissipation member formed on the display support member 401 according to various embodiments of the present disclosure will be described in detail with reference to FIGS. 7 to 16 .

7 is a cross-sectional view of a display support member 401 according to an exemplary embodiment. For example, FIG. 7 may be a cross-sectional view of the display support member 401 taken along line 7-7 shown in FIG. 5 . 8 is a configuration diagram of a fiber sheet forming a first heat transfer member and a second heat transfer member according to an embodiment. 9 is a configuration diagram of a fiber sheet according to a comparative example.

The display support member 401 illustrated in FIG. 7 may include an embodiment that is at least partially similar to or different from the display support member 401 illustrated in FIGS. 4 to 6B . Hereinafter, in conjunction with FIG. 7 , only features of the electronic device 100 that are not described or changed in FIGS. 4 to 6B will be described.

Referring to FIG. 7 , the display support member 401 (eg, the display support member 401 of FIG. 4 ) includes a plurality of ribs 322 , which are a part of the sub bracket 320 , on the stepped surface of the main bracket 310 . It may include a structure that is inserted or drawn out into the space 701 formed by the

According to an embodiment, the main bracket 310 includes a first stepped surface 312a and a second stepped surface 312b, and the first stepped surface 312a has a first portion ( A support plate 330 for supporting 130a) may be seated. According to an embodiment, the support plate 330 may be attached to the first stepped surface 312a of the main bracket 310 by an adhesive member 340 . For example, the adhesive member 340 may be formed between the support plate 330 and the first stepped surface 312a of the main bracket 310 . According to an embodiment, the adhesive member 340 may perform a function of attaching the support plate 330 to the first stepped surface 312a of the main bracket 310 and increasing heat transfer efficiency.

According to an embodiment, the main bracket 310 may include a plurality of second stepped surfaces 312b having a lower step than the first stepped surface 312a. According to an embodiment, the plurality of second stepped surfaces 312b are a part of the sub bracket 320 , and may form a space 701 into which the plurality of ribs 322 of the sub bracket 320 are inserted or drawn out. have. For example, in the contracted state, the plurality of ribs 322 of the sub bracket 320 are spaced between the second stepped surface 312b and the support plate 330 seated on the first stepped surface 312a ( 701) can be inserted (eg, slide-in). For example, in the expanded state, the plurality of ribs 322 of the sub bracket 320 are spaced between the second stepped surface 312b and the support plate 330 seated on the first stepped surface 312a ( 701) can be withdrawn (eg slide out).

According to various embodiments, at least one heat dissipation member (eg, a first heat transfer member 711 and a second row) for diffusing heat to at least a portion of the main bracket 310 and the sub bracket 320 in contact with each other. A transfer member 712 may be formed. According to an embodiment, the at least one heat dissipation member (eg, the first heat transfer member 711 and the second heat transfer member 712 ) may include a heat transfer member (eg, a heat transfer member formed on surfaces of the plurality of ribs 322 ). It may include a first heat transfer member 711 and a second heat transfer member 712 ). For example, the first surface 322a of each of the plurality of ribs 322 according to an embodiment is a surface facing the second stepped surface 312b in the contracted state, and the first surface 322a has the first surface 322a. 1 A heat transfer member 711 may be attached. For example, the second surface 322b of each of the plurality of ribs 322 according to an embodiment is a surface facing the support plate 330 in a contracted state, and the second surface 322b has a second row. A transfer member 712 may be attached.

According to various embodiments, the first heat transfer member 711 and the second heat transfer member 712 may reduce heat generated inside the electronic device 100 (eg, the electronic device 100 of FIG. 1 ). It can perform the function of passing in the vertical direction (eg the z direction).

According to an embodiment, the material of the first heat transfer member 711 and the second heat transfer member 712 may include a thermal interface material (TIM) resistant to friction or abrasion. For example, the material of the first heat transfer member 711 and the second heat transfer member 712 may be a heat transfer sheet in the form of a fiber including TIM, which is resistant to friction or abrasion. According to one embodiment, the heat transfer sheet constituting the first heat transfer member 711 and the second heat transfer member 712, as shown in FIG. After mounting, it may be manufactured by a method of manufacturing a sheet including the fibers 801 . In another embodiment, the heat transfer sheet constituting the first heat transfer member 711 and the second heat transfer member 712 may be manufactured by coating the heat dissipation particles 802 on the fiber sheet. In another embodiment, the heat transfer sheet constituting the first heat transfer member 711 and the second heat transfer member 712 may be manufactured by a method of manufacturing a specific material having heat transfer properties in the form of fibers. Referring to FIG. 9 , the fibrous sheet according to the comparative example may not include the heat dissipation particles 802 , and thus the heat transfer efficiency may be lower than that of the fibrous sheet according to the embodiment of the present invention.

According to an embodiment, the heat transfer sheet constituting the first heat transfer member 711 and the second heat transfer member 712 is resistant to friction or abrasion. This may be because it is designed to have properties. For example, the heat transfer sheet according to various embodiments of the present invention may have a property resistant to friction or abrasion as the fibers constituting the heat transfer sheet are designed to have a specified shape.

According to one embodiment, the heat transfer sheet constituting the first heat transfer member 711 and the second heat transfer member 712 has high heat transfer properties, because the fibers having the specified shape are coated with heat radiation particles. It could be because For example, the heat transfer sheet according to various embodiments of the present invention may have high heat transfer properties as heat radiation particles are coated on fibers formed to have a specific shape.

According to various embodiments of the present document, since the thermal interface material (TIM) including the first heat transfer member 711 and the second heat transfer member 712 is formed of a material resistant to friction or abrasion, a plurality of ribs The rigidity can be maintained even if the operation 322 is inserted or withdrawn from a partial space of the main bracket 310 (eg, the space between the second stepped surface and the support plate 330 seated on the first stepped surface) is repeated. have. As such, the TIM included in each of the first heat transfer member 711 and the second heat transfer member 712 may be referred to as a “swipe TIM”.

In some embodiments, the material of the first heat transfer member 711 and the second heat transfer member 712 may be changed or replaced with a material that has a thermal conductivity similar to that of the swipe TIM and is resistant to friction or abrasion.

In some embodiments, the swipe TIM included in each of the first heat transfer member 711 and the second heat transfer member 712 may further include a GR sheet manufactured in a laminated form.

10 is a schematic cross-sectional view of the electronic device 100 showing a slide-in state. 11 is a schematic cross-sectional view of an electronic device 100 showing a slide-out state according to various embodiments of the present disclosure.

The display support member 401 illustrated in FIGS. 10 and 11 may include embodiments that are at least partially similar to or different from those of the electronic device 100 described with reference to FIGS. 1 to 8 . Hereinafter, in conjunction with FIGS. 10 and 11 , only the features of the electronic device 100 that are not described or changed in FIGS. 1 to 8 will be described.

10 and 11 , the electronic device 100 (eg, the electronic device 100 of FIG. 1 ) according to an embodiment may include a first housing 110 and a second housing 120 . have. According to an embodiment, the second housing 120 may move from the first housing 110 in a designated direction, for example, in a first direction (x-direction). According to an embodiment, in the electronic device 100 , the second housing 120 may be at least partially slidably coupled from the first housing 110 .

According to an embodiment, the second housing 120 may be coupled to a bendable hinge rail 350 (eg, the hinge rail 350 of FIG. 3 ) supporting at least a portion of the rollable display 130 . For example, when the second housing 120 slides, the hinge rail 350 is at least partially introduced into the internal space 1011 of the second housing 120 while supporting the rollable display 130 , or the second housing It may be withdrawn from the inner space 1011 of the 120 . For example, during the transition from the contracted state to the expanded state, the hinge rail 350 supports the rollable display 130 while supporting the internal space of the second housing 120 (eg, the internal space 1011 of FIG. 11 ). can be withdrawn from For example, during the transition from the expanded state to the contracted state, the hinge rail 350 may be introduced into the inner space 1011 of the second housing 120 while supporting the rollable display 130 . According to an embodiment, the hinge rail 350 is supported by a sub bracket (eg, the sub bracket 320 of FIG. 3 ) disposed inside the second housing 120 , and is a part of the sub bracket 320 . It can be moved in combination with the roller 321 .

According to an embodiment, the first housing 110 includes a sub bracket (eg, the sub bracket 320 of FIG. 3 ) and a main bracket (eg, the main bracket 310 of FIG. 3 ) to which at least a portion is coupled in a sliding manner. may include According to an embodiment, the support plate 330 (eg, the support plate 330 of FIG. 3 ) may be seated on at least a portion of the main bracket (eg, the main bracket 310 of FIG. 3 ).

According to an exemplary embodiment, the rollable display 130 includes a first portion 130a supported by a support plate 330 seated on the first housing 110 , and extending from the first portion 130a, a hinge A second portion 130b supported by the rail 350 may be included.

According to an embodiment, when the electronic device 100 is in a contracted state, the second portion 130b of the rollable display 130 may have an internal space of the second housing 120 (or the first housing 110 ). It is introduced into 1011 and may be disposed so as not to be exposed to the outside. According to an embodiment, the second part 130b of the rollable display 130 extends from the first part 130a while being supported by the hinge rail 350 when the electronic device 100 is in an extended state. can be exposed to the outside.

According to an embodiment, the heat dissipation sheet 1021 may be attached to the rear surface of the rollable display 130 , for example, a surface facing the support plate 330 or the hinge rail 350 . For example, the heat dissipation sheet 1021 may include any one of GR fiber, CNT, Ag nano wire, GR Sheet, and Cu Sheet.

According to various embodiments, a heat transfer member (eg, a TIM) may be disposed at least partially in the inner space of the first housing 110 . For example, the first housing 110 may include a third heat transfer member 1031 , a fourth heat transfer member 1032 , and/or a fifth heat transfer member 1033 .

According to an embodiment, a main bracket 310 is disposed in the inner space of the first housing 110 , and the main bracket 310 is a printed circuit board (PCB) 1041 (eg, the first printed circuit of FIG. 3 ). (360)) containing a space or groove. According to an embodiment, the upper surface of the main bracket 310 disposed in the third direction (z direction) from the PCB 1041 may support the support plate 330 .

According to an embodiment, the third heat transfer member 1031 may be at least partially disposed between the upper surface of the main bracket 310 and the support plate 330 . For example, the third heat transfer member 1031 may be disposed in the third direction (z direction) from the PCB 1041 .

According to an embodiment, the third heat transfer member 1031 performs a function of diffusing heat generated from the at least one first component 1051 disposed in the third direction (z direction) of the PCB 1041 . can do. For example, at least one first component 1051 and a shield can (not shown) covering the first component 1051 may be disposed in the third direction (z direction) of the PCB 1041 . . According to one embodiment, the third heat transfer member 1031 is disposed in direct contact with or adjacent to the shield can covering the first part 1051 to transfer heat generated from the first part 1051 in a third direction ( z-direction).

According to an embodiment, the first component 1051 may include one or more of a memory central processing unit, an application processor, a graphic processing unit, an image signal processor, a sensor hub processor, and a communication processor.

According to an embodiment, in the reduced state, the fourth heat transfer member 1032 may be disposed on at least a partial surface 110a of the first housing 110 in contact with a portion of the second housing 120 . For example, in the reduced state, the fourth heat transfer is performed on one surface 110a of the rear cover 380 (eg, the rear cover 380 of FIG. 3 ) in sliding contact with a portion of the second housing 120 in a slide-in manner. A member 1032 may be disposed.

According to one embodiment, in the reduced state, the fifth heat transfer member 1033 is disposed between the inner sidewall 110b of the first housing 110 and the inner sidewall 120b of the second housing 120 that are in contact with each other. can be According to an embodiment, the fifth heat transfer member 1033 may perform a function of transferring heat generated from the PCB 1041 to the second housing 120 in a reduced state. According to an embodiment, the fifth heat transfer member 1033 may be attached to the inner sidewall 110b of the first housing 110 and/or the inner sidewall 120b of the second housing 120 .

According to an embodiment, the fifth heat transfer member 1033 may be disposed to be in direct contact with the third heat transfer member 1031 or may be disposed to be spaced apart from the third heat transfer member 1031 by a specified distance. have. In some embodiments, the fifth heat transfer member 1033 and the third heat transfer member 1031 may be integrally formed.

According to an exemplary embodiment, at least some of the third to fifth

heat transfer members

1031 , 1032 , and 1033 may include the first heat transfer member 711 and the second heat transfer member 712 of FIG. 7 , and The same or similar materials may be included. For example, at least some of the third to fifth

heat transfer members

1031 , 1032 , and 1033 may include a swipe TIM. In some embodiments, at least some of the third to fifth

heat transfer members

1031 , 1032 , and 1033 are GR fiber, carbon nano tube (CNT), Ag (silver) nano to increase heat transfer efficiency. It can be replaced with a material such as wire.

According to various embodiments, a heat transfer member (eg, a TIM) may be disposed at least partially in the inner space of the second housing 120 . For example, the second housing 120 may include a sixth heat transfer member 1034 , and/or a seventh heat transfer member 1035 .

According to an embodiment, the second housing 120 may include a sub bracket 320 supporting the hinge rail 350 , and the sub bracket 320 may include a sixth heat transfer member 1034 . According to an embodiment, the sixth heat transfer member 1034 may be substantially the same as or similar to the first heat transfer member 711 and the second heat transfer member 712 with reference to FIG. 7 . According to an embodiment, the sixth heat transfer member 1034 transfers heat generated from surrounding components in the first direction (x direction) in which the second housing 120 slides, as well as in the first direction (x direction). direction) may perform a function of diffusing in a third direction (z direction).

According to an embodiment, the first slide in or out from a partial space of the first housing 110 located in the fourth direction (-z direction) of the PCB 1041 . Second, a seventh heat transfer member 1035 may be disposed on one surface 120a of the housing 120 . For example, the seventh heat transfer member 1035 may be disposed in the fourth direction (-z direction) from the PCB 1041 in the reduced state.

According to an embodiment, the seventh heat transfer member 1035 has a function of diffusing heat generated from at least one second component 1052 disposed in the fourth direction (-z direction) of the PCB 1041 . can be done For example, in the fourth direction (-z direction) of the PCB 1041, at least one second component 1052 and a shield can (not shown) covering the second component 1052 may be disposed. have. According to one embodiment, the seventh heat transfer member 1035 is disposed in direct contact with or adjacent to the shield can covering the second part 1052 to transfer heat generated from the second part 1052 in the fourth direction ( -z direction).

According to an embodiment, the seventh heat transfer member 1035 may include the same or similar material to the first heat transfer member 711 and the second heat transfer member 712 of FIG. 7 . For example, the seventh heat transfer member 1035 may include a swipe TIM. In some embodiments, the seventh heat transfer member 1035 may be replaced with a material such as GR fiber, carbon nano tube (CNT), or silver (Ag) nano wire to increase heat transfer efficiency.

According to various embodiments, the structure and shape of the display support member 401 supporting the rollable display 130 is not limited to the structure and shape of the display support member 401 described with reference to FIGS. 1 to 11 . and may be variously changed. For example, the structure of the display support member may include other embodiments, such as those shown in FIGS. 12 to 16 . Hereinafter, the structure and shape of the display support member according to another exemplary embodiment and a heat dissipation member disposed to correspond thereto will be described in detail with reference to FIGS. 12 to 16 .

12 is a schematic exploded perspective view of a display support member according to another exemplary embodiment. 13 is a combined perspective view of the display support member shown in FIG. 12 according to a reduced state. 14 is a schematic cross-sectional view of the display support member shown in FIG. 12 according to a reduced state. For example, FIG. 14 is a cross-sectional view of the display support member taken along line 14-14 shown in FIG. 13 , and may be in a reduced state.

The display support member of FIGS. 12 to 14 may include an embodiment that is at least partially similar to or different from the display support member described with reference to FIGS. 1 to 11 . Hereinafter, in conjunction with FIGS. 12 to 14 , only the characteristics of the display support member not described or changed in FIGS. 1 to 11 will be described.

12 to 14 , the display supporting member 1201 (eg, the display supporting member 401 of FIG. 4 ) according to another embodiment may include a rollable display 130 (eg, the rollable display of FIG. 3 ). As a component for supporting the 130 ), the main bracket 1210 , the slide plate 1220 , and/or the hinge rail 1230 (eg, the hinge rail 350 of FIG. 3 ) may be included.

According to an embodiment, the main bracket 1210 and the slide plate 1220 may be slidably coupled to each other. For example, in the expanded state, the slide plate 1220 may be coupled to slide in a first direction (x-direction) of the main bracket 1210 while seated on the main bracket 1210 . For example, in the reduced state, the slide plate 1220 slides from the main bracket 1210 in a second direction (-x direction) opposite to the first direction (x-direction), thereby substantially sliding the slide plate 1220 Portions corresponding to the total area of may be seated on the main bracket 1210 .

According to an embodiment, when the slide plate 1220 slides out from the main bracket 1210 in the expanded state, the upper surface 1211 of the main bracket 1210 on which the slide plate 1220 is seated (eg, the main bracket) The hinge rail 1230 may be moved and disposed on the surface of 1210 (a surface positioned in the z direction). For example, a hinge rail 1230 may be coupled to an end of the slide plate 1220 , and the hinge rail 1230 is the main in association with movement of the slide plate 1220 in the first direction (x-direction). It may move from the lower part 1212 of the bracket 1210 (eg, a portion positioned in the -z direction of the main bracket 1210 ) onto the upper surface 1211 of the main bracket 1210 . According to one embodiment, the hinge rail 1230 is linked to the slide plate 1220 moving in the second direction (-x direction) from above the upper surface 1211 of the main bracket 1210, the main bracket 1210 ) can be moved to the lower part 1212 .

According to an embodiment, the rollable display 130 may be defined to include a first portion 130a and a second portion 130b. According to an embodiment, the first part 130a is a region supported by the slide plate 1220 and is correlated with whether the electronic device (eg, the electronic device 100 of FIG. 1 ) is in an expanded state or a contracted state. It can always be exposed to the outside without According to an exemplary embodiment, the second part 130b may be a region supported by the hinge rail 1230 and may be exposed to the outside in the expanded state and not exposed to the outside in the contracted state. For example, the second portion 130b may be exposed to the outside as the hinge rail 1230 moves over the upper surface 1211 of the main bracket 1210 in the expanded state. For example, the second portion 130b may not be exposed to the outside as the hinge rail 1230 moves to the lower portion 1212 of the main bracket 1210 in the contracted state.

According to an embodiment, as shown in FIGS. 13 and 14 , a heat transfer member 1310 (eg, swipe TIM) for diffusing heat is disposed on the upper surface 1211 of the main bracket 1210 . can According to an embodiment, the heat transfer member 1310 disposed on the upper surface 1211 of the main bracket 1210 is a printed circuit board (PCB) (eg, the PCB of FIG. 10 ) disposed inside the main bracket 1210 . By transferring heat generated from at least one component (eg, a processor) disposed on 1041) to the slide plate 1220 and/or the hinge rail 1230, the heat is transferred in a third direction (z direction). It can perform the function of diffusion. For example, as shown in FIG. 14 , the heat transfer member 1310 may contact a portion of the slide plate 1220 and/or the hinge rail 1230 or be placed within a specified distance, thereby transferring the heat to the slide plate. A portion of 1220 and/or a hinge rail 1230 may pass.

According to various embodiments, the heat transfer member disposed on the upper surface of the main bracket 1210 is at least partially disposed on the upper surface 1211 of the main bracket 1210, as shown in FIGS. 15 and 16 . can be

15 is a combined perspective view of a display support member 1201 according to another exemplary embodiment. 16 is a schematic cross-sectional view of a display support member 1201 according to another exemplary embodiment. For example, FIG. 16 is a cross-sectional view of the display support member 1201 taken along the line 16-16 shown in FIG. 15 , and may be in a reduced state.

The display support member 1201 of FIGS. 15 and 16 may include an embodiment that is at least partially similar to or different from the display support member 1201 described with reference to FIGS. 12 to 14 . Hereinafter, in conjunction with FIGS. 15 and 16 , only the features of the display support member 1201 that are not described or changed in FIGS. 12 to 14 will be described.

15 and 16 , a plurality of grooves 1611 are formed at intervals on the upper surface 1211 of the main bracket 1210 according to another embodiment, and heat is transferred to the plurality of grooves 1611 . A member 1310 (eg, a swipe TIM) may be disposed. For example, the heat transfer member 1310 is disposed on the plurality of stepped surfaces 1611a formed by the plurality of grooves 1611 , and thus a printed circuit board (PCB) disposed inside the main bracket 1210 . Heat generated from (eg, at least one component (eg, a processor) disposed on the PCB of FIG. 10 ) may be transferred to a portion of the slide plate 1220 and/or the hinge rail 1230 .

According to one embodiment, on the rear surface of the slide flight (eg, a surface facing the upper surface 1211 of the main bracket 1210 or a surface facing the -z direction), a plurality of grooves 1611 of the main bracket 1210 At least one protrusion 1220a formed to be engaged with may be formed.

An electronic device according to various embodiments of the present disclosure includes a heat dissipation member disposed to correspond to a deformation of the shape of the electronic device, thereby increasing heat dissipation characteristics and lowering the performance of the electronic device (eg, reducing communication function or reducing the processor performance degradation) can be avoided.

Claims

In an electronic device,

a first housing;

a second housing coupled to the first housing by sliding in a first direction from the first housing in an expanded state and sliding in a second direction opposite to the first direction in a contracted state;

a rollable display whose display area is adjusted in association with the sliding movement of the second housing;

a main bracket positioned inside the first housing and supporting the first portion of the rollable display;

a sub bracket inserted into the stepped surface of the main bracket in association with the sliding movement of the second housing or drawn out from the stepped surface of the main bracket;

a hinge rail supported by the sub bracket and configured to support the second portion of the rollable display in the expanded state; and

and a support plate seated on the main bracket to support the first portion of the rollable display,

At least one heat dissipation member for diffusing heat is disposed on at least a portion of the sub bracket in contact with a portion of the main bracket in the contracted state.
The method of claim 1,

The front surface of the main bracket opposite to the first part of the rollable display is,

first side;

a first stepped surface having a lower height than the first surface and on which the support plate is seated; and

and at least one second stepped surface having a lower height than the first stepped surface and into which a plurality of ribs of the sub bracket are inserted or drawn out.
3. The method of claim 2,

The electronic device further comprising an adhesive member for attaching the support plate to the first stepped surface.
4. The method of claim 3,

The adhesive member may include at least one slit formed by removing portions corresponding to the second stepped surface.
3. The method of claim 2,

The sub bracket is

the plurality of ribs arranged in the first direction and inserted into or withdrawn from the second stepped surface; and

A roller connecting the plurality of ribs at one end and arranged in a third direction perpendicular to the first direction,

The plurality of ribs support a plurality of hinge bars of the hinge rail arranged in the third direction,

The heat dissipation member for diffusing the heat is attached to the plurality of ribs.
6. The method of claim 5,

The heat dissipation member,

A first heat transfer member formed on a first surface of each of the plurality of ribs facing the second stepped surface in a contracted state, and

and a second heat transfer member formed on a second surface of each of the plurality of ribs facing the support plate in a contracted state.
7. The method of claim 6,

The material of the first heat transfer member and the second heat transfer member includes a thermal interface material (TIM) including heat radiating particles.
8. The method of claim 7,

The first heat transfer member and the second heat transfer member may further include a graphite sheet manufactured in a laminated form.
The method of claim 1,

The material of the support plate comprises at least one of Al (aluminum), Cu (copper), or an alloy of Al, the electronic device.
The method of claim 1,

The material of the support plate includes SUS (steel use stainless), and at least one of GR fiber, CNT (carbon nano tube), Ag (silver), and nano wire is coated on some surfaces of the support plate, an electronic device .
The method of claim 1,

A heat dissipation sheet is attached to a rear surface of the rollable display in contact with the support plate and the hinge rail.
12. The method of claim 11,

The material of the heat dissipation sheet, the electronic device comprising any one of GR fiber, CNT, Ag nano wire, GR Sheet, and Cu Sheet.
The method of claim 1,

A third heat transfer member including a TIM is disposed on an upper surface of the main bracket on which the support plate is mounted.
The method of claim 1,

A fourth heat transfer member including a TIM is disposed on at least a partial surface of the first housing in contact with the second housing in the collapsed state.
The method of claim 1,

In the collapsed state, a fifth heat transfer member comprising a TIM is disposed on the inner sidewall of the first housing in contact with the inner sidewall of the second housing;

A seventh heat transfer member including a TIM is disposed on at least a partial surface of the second housing that is in contact with or overlaps the circuit board disposed inside the first housing in a reduced state.