# US 11,910,549 B2 · Electronic device for supporting sliding

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- Number: US 11,910,549 B2
- Document ID: US11910549B2
- Status: Granted
- Kind: B2
- Application number: 17/042,636
- Filed: 2020-08-26
- Published: 2023-04-20
- Granted: 2024-02-20
- Earliest claimed: 2019-09-11
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Sungchan Ko; Donghun Kim; Jooho Seo; Hangil Song
- Web page: https://patentgrep.com/patent/US11910549B2

## CPC

- G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED}
- H05K 5/0217: {Mechanical details of casings (covers, lids, hoods or members for covering apertures H05K5/03)}
- G05B 15/02: electric
- G06F 1/1624: {with sliding enclosures, e.g. sliding keyboard or display}
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- G06F 1/1677: {for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment}
- G06F 1/1681: {Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683)}
- H05K 5/0018: {having an electronic display}
- H02K 7/116: with gears
- H04M 1/0237: {Sliding mechanism with one degree of freedom}
- H04M 1/0268: {including a flexible display panel}
- H05K 5/0086: {portable, e.g. battery operated apparatus (casings for switching devices H01H9/02)}
- G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

An electronic device is provided. The electronic device includes a first cover, a second cover coupled to the first cover to slide, a display in which a size of an exposed region is changed corresponding to the sliding of the second cover, a panel support disposed on one side of a back surface of the display with respect to a front surface of the display on which a screen is displayed, and a rotation shaft contacting at least a portion of the panel support and rotating corresponding to the sliding of the second cover, and an attractive force may be formed between the portion of the rotation shaft and the portion of the panel support.

## Claims

### Claim 1

An electronic device for supporting sliding, the electronic device comprising:
a first cover;
a second cover coupled to the first cover to slide;
a display in which a size of an exposed region is changed corresponding to the sliding of the second cover;
a panel support disposed on one side of a back surface of the display with respect to a front surface of the display on which a screen is displayed; and
a rotation shaft contacting at least a portion of the panel support and rotating corresponding to the sliding of the second cover,
wherein the portion of the panel support comprises a plurality of protrusions,
wherein an attractive force is formed between the portion of the rotation shaft and at least some of the plurality of protrusions,
wherein the rotation shaft comprises hook grooves temporarily coupled with the plurality of protrusions when contacting one side of the panel support, and
wherein the plurality of protrusions include a hook portion protruding in a direction opposite to a protruding direction of the hook grooves formed on the rotation shaft.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein in a state in which a portion of the display is bent around the rotation shaft, the attractive force is formed between the portion of the rotation shaft and protrusions contacting the rotation shaft among the plurality of protrusions disposed on the panel support.

### Claim 3 (depends on 2)

The electronic device of claim 2, wherein in a state in which the second cover has slid such that a size of the display is expanded, the attractive force is formed between the portion of the rotation shaft and the at least some of the protrusions contacting the rotation shaft.

### Claim 4 (depends on 3)

The electronic device of claim 3, wherein the at least some of the plurality of protrusions is formed of a magnetic material or a ferromagnetic material that reacts to magnetic force, or a permanent magnet.

### Claim 5 (depends on 4)

The electronic device of claim 4, wherein the portion of the rotation shaft comprises a material that reacts to magnetic force or a permanent magnet.

### Claim 6 (depends on 5)

The electronic device of claim 5, wherein the display comprises:
a first display region having a fixed disposition form; and
a second display region in which an exposed region is changed with a movement of the panel support.

### Claim 7 (depends on 6)

The electronic device of claim 6, wherein the rotation shaft operates as:
an electromagnet depending on electric power supplied based on a coil disposed on an inner side,
an electromagnet when the second display region is expanded to a maximum, or
an electromagnetic when the second display region is formed to a minimum.

### Claim 8 (depends on 7)

The electronic device of claim 7, wherein the panel support comprises:
a gear pattern in which the protrusions and troughs are repeated; and
first protrusions protruding in a direction parallel with the display on at least one side of the at least some of the plurality of protrusions.

### Claim 9 (depends on 8)

The electronic device of claim 8, further comprising a protective member disposed between at least one of the first cover or the second cover and the panel support to protect a portion of the display.

### Claim 10 (depends on 9)

The electronic device of claim 9, further comprising an elastic member having one end fixed to one side inside the electronic device and another end connected to an end of the panel support.

### Claim 11 (depends on 10)

The electronic device of claim 10, wherein the panel support comprises:
a substrate portion of a predetermined thickness disposed on the back surface of the display; and
gear peaks repeatedly protruding by a predetermined height on the substrate portion.

### Claim 12 (depends on 11)

The electronic device of claim 11, wherein the portion of the panel support is formed of an elastic material.

### Claim 13 (depends on 12)

The electronic device of claim 12, further comprising a magnetic force-related member disposed at a position adjacent to an inner surface of the panel support.

### Claim 14 (depends on 13)

The electronic device of claim 13, wherein the magnetic force-related member is disposed between the portion of the first display region exposed outside in a state in which the display is wound and the portion of the second display region disposed inside the electronic device.

### Claim 15

An electronic device for supporting sliding, the electronic device comprising:
a first cover;
a second cover coupled to the first cover to slide;
a display in which a size of an exposed region is changed corresponding to the sliding of the second cover;
a display support member supporting a first region of the display;
a sliding structure at least partially disposed under the display support member;
a first driving unit at least partially coupled to a guide rail formed on a bottom of the display support member and moving the sliding structure in a first direction or a second direction opposite to the first direction;
a panel support including a plurality of protrusions disposed on a back surface of a second region of the display with respect to a front surface of the display on which a screen is displayed;
a second driving unit contacting at least a portion of the panel support and performing a rotation required for winding of the panel support; and
at least one processor configured to control operations of the first driving unit and the second driving unit,
wherein the second driving unit including hook grooves temporarily coupled with the plurality of protrusions when contacting one side of the panel support, and
wherein the plurality of protrusions include a hook portion protruding in a direction opposite to a protruding direction of the hook grooves formed on the second driving unit.

### Claim 16 (depends on 15)

The electronic device of claim 15, wherein the at least one processor is further configured to control the first driving unit and the second driving unit to operate in a counterclockwise direction for a same time period or by a same number of rotations when an event requesting extension of the display occurs.

### Claim 17 (depends on 15)

The electronic device of claim 15, wherein the at least one processor is further configured to, after completing an extension of the display, control the first driving unit to be fixed and the second driving unit to further rotate by a first angle in a clockwise direction.

### Claim 18 (depends on 15)

The electronic device of claim 15, wherein the at least one processor is further configured to control the first driving unit and the second driving unit to operate in a clockwise direction for a same time period or by a same number of rotations when an event requesting reduction of the display occurs.

### Claim 19 (depends on 15)

The electronic device of claim 15, wherein the at least one processor is further configured to control an extension or a reduction of the display according to a user input or a request to execute a specified application.

### Claim 20 (depends on 16)

The electronic device of claim 16, further comprising:
a rotation shaft contacting the portion of the panel support and rotating corresponding to the sliding of the second cover.

### Claim 21 (depends on 20)

The electronic device of claim 20, wherein in a state in which a portion of the display is bent around the rotation shaft, an attractive force is formed between the portion of the rotation shaft and protrusions contacting the rotation shaft among the plurality of protrusions.

### Claim 22 (depends on 21)

The electronic device of claim 21, wherein in a state in which the second cover has slid such that a size of the display is expanded, the attractive force is formed between the portion of the rotation shaft and the at least some of the protrusions contacting the rotation shaft.

### Claim 23 (depends on 20)

The electronic device of claim 20, wherein the at least some of the plurality of protrusions is formed of a magnetic material or a ferromagnetic material that reacts to magnetic force, or a permanent magnet.
