WO2022154445A1 - Charnière pour dispositif d'affichage pliable, ayant une structure anti-jeu - Google Patents

Charnière pour dispositif d'affichage pliable, ayant une structure anti-jeu Download PDF

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Publication number
WO2022154445A1
WO2022154445A1 PCT/KR2022/000508 KR2022000508W WO2022154445A1 WO 2022154445 A1 WO2022154445 A1 WO 2022154445A1 KR 2022000508 W KR2022000508 W KR 2022000508W WO 2022154445 A1 WO2022154445 A1 WO 2022154445A1
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WO
WIPO (PCT)
Prior art keywords
arm
present
gear
hinge
pair
Prior art date
Application number
PCT/KR2022/000508
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English (en)
Korean (ko)
Inventor
이성준
박현민
Original Assignee
(주)에이유플렉스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by (주)에이유플렉스 filed Critical (주)에이유플렉스
Publication of WO2022154445A1 publication Critical patent/WO2022154445A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Definitions

  • the present invention relates to a hinge for a foldable display having a gap prevention function. More specifically, the portion where the foldable hinge installed in the center of the foldable display device and the panel body where the flexible display panel is installed is connected to each other is fine. It relates to a hinge for a foldable display device having a play preventing function that prevents a gap between the foldable hinge and a panel body from being shaken due to the gap, which is likely to occur due to the gap.
  • the mobile terminal may be configured to perform various functions. Examples of such various functions include data and voice communication functions, a function to take a picture or video through a camera, a voice storage function, a function to play music files through a speaker system, and a function to display images or videos.
  • Some mobile terminals include an additional function capable of running a game, and some mobile terminals are implemented as multimedia devices. Furthermore, recent mobile terminals can receive a broadcast or multicast signal to view a video or television program.
  • a display module displays information processed in the mobile terminal. For example, when the mobile terminal is in a call mode, a user interface (UI) or graphic user interface (GUI) related to a call is displayed.
  • UI user interface
  • GUI graphic user interface
  • the display module includes a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a 3D display. ), and so on.
  • Patent documents similar to the hinge structure for a mobile communication device on which the flexible display panel according to the present invention is installed include Publication No. 10-2015-0096827, (title of the invention hinge device and foldable display device having the same).
  • the present invention provides a stopper arm for controlling the folding rotation range to prevent a panel body connected to a foldable hinge located in the center of a foldable display device from shaking slightly when folding or unfolding, and a gear for preventing shaking
  • An object of the present invention is to provide a hinge for a foldable display device having a play preventing function configured to connect the arm to a play preventing arm connected to a panel body.
  • a hinge for a foldable display device having a gap prevention function includes a hinge body (70);
  • a pair of anti-playout arms 22 connected to the left and right sides of the hinge body 70 to rotate;
  • the pair of gear arms 30 is characterized in that the force is applied in the opposite direction to the direction in which the pair of stopper arms 50 apply the force to the play prevention arm 22,
  • a first fixed friction plate 42 and a second fixed friction plate 44 that are installed in close contact with the front surface of the pair of gear arms 30 are disposed,
  • the rear part of the gear is configured with a cam part 32 formed of mountains and valleys,
  • the cam portion 32 of the gear arm 30 is engaged with a moving cam 36 having a cam portion 37 formed of a mountain and a valley, and the moving cam 36 of the present invention includes a spring 38 and a spring 38 that apply an elastic force. ) characterized in that it is configured to be connected with the bracket 40 supporting the
  • Rotating rails 74 are installed on the left and right sides of the hinge body 70, respectively, and a rotating plate 72 that is inserted into the rotating rail 74 of the present invention to rotate is installed, and the rotating plate 72 of the present invention is a gear 76 ) and the connecting gear unit 78 and gear-coupled,
  • the connecting gear portion 78 is characterized in that it is coupled with the play prevention arm 22 of the present invention.
  • the hinge for a foldable display device having a play preventing function according to the present invention has a remarkable effect of preventing the panel body connected to the foldable hinge located in the center of the foldable display device from shaking slightly when the folding or unfolding operation is performed.
  • the stopper arm for controlling the rotation range and the gear arm for preventing shaking are configured to be connected together with the anti-play arm, so that the central foldable hinge and the panel body are connected to each other from shaking.
  • the auxiliary panel attached to the rotating plate is configured to go inside, and the folded portion of the flexible display panel is located between the pair of auxiliary panels, so that the folded portion of the flexible display panel has a large diameter in a circular shape. can be configured, so that the possibility of damage even when the flexible display panel is folded is significantly lowered.
  • FIG. 1 is a perspective view illustrating a state in which a flexible display panel is separated from a foldable display device in which a hinge for a foldable display having a gap prevention function according to the present invention is installed.
  • FIG. 2 is a perspective view illustrating a state in which one panel body and an auxiliary panel are separated from the hinge for a foldable display having a gap prevention function according to the present invention.
  • FIG 3 is an enlarged perspective view showing a part of the hinge for a foldable display having a gap prevention function according to the present invention, in which one side of the auxiliary panel is separated.
  • FIG. 4 is a perspective view illustrating a state in which the hinge for a foldable display having a gap prevention function according to the present invention is being folded.
  • FIG. 5 is an enlarged perspective view illustrating a state in which the hinge for a foldable display having a play preventing function according to the present invention is being folded.
  • FIG. 6 is a perspective view showing a state in which the hinge for a foldable display having a gap prevention function according to the present invention is completely folded.
  • FIG. 7 is a perspective view illustrating a state in which the hinge for a foldable display having a gap prevention function according to the present invention is installed on the hinge base.
  • FIG. 8 is a perspective view illustrating a hinge for a foldable display having a gap prevention function according to the present invention.
  • FIG. 9 is an exploded perspective view showing an exploded state of the hinge for a foldable display having a gap prevention function according to the present invention.
  • FIG. 10 is an exploded perspective view illustrating an exploded state of the friction plate part in the hinge for a foldable display having a play preventing function according to the present invention.
  • FIG. 11 is a plan view viewed from above the elastic part installed behind the 4-axis gear part of the present invention.
  • FIG. 12 is a front view of a pair of stopper arms moving in the hinge for a foldable display having a gap prevention function according to the present invention.
  • FIG. 13 is a perspective view illustrating a moving state of the 4-axis gear unit to which the friction plate unit is attached according to the present invention.
  • FIG. 14 is a front view of the movement of the 4-axis gear unit to which the friction plate unit is attached according to the present invention as viewed from the front.
  • 15 is an exploded perspective view illustrating a state in which a gear arm and a stopper arm are connected to a play preventing arm in the hinge for a foldable display having a play preventing function according to the present invention.
  • FIG. 16 is a perspective view and a side cross-sectional view showing the direction in which a gear arm and a stopper arm apply a force from the play preventing arm in a state in which a pair of play preventing arms are fully unfolded in the hinge for a foldable display having a play preventing function according to the present invention.
  • 17 is a perspective view and a side cross-sectional view showing the direction in which a gear arm and a stopper arm apply a force from the play preventing arm while a pair of play preventing arms are being folded in the hinge for a foldable display having a play preventing function according to the present invention.
  • FIG. 18 is a perspective view and a side cross-sectional view showing a direction in which a gear arm and a stopper arm apply a force from the play preventing arm in a state in which a pair of play preventing arms are fully folded in the hinge for a foldable display having a play preventing function according to the present invention.
  • 19 is a front view of the stopper arm and the anti-playout arm moving while the pair of anti-gaps arms are all folded in the hinge for a foldable display having a play preventing function according to the present invention.
  • auxiliary panel 22 anti-gaps arm
  • FIG. 1 is a perspective view illustrating a state in which a flexible display panel is separated from a foldable display device in which a hinge for a foldable display having a gap prevention function according to the present invention is installed.
  • a foldable hinge is configured at the center, and a panel body 10 is configured on both sides of the foldable hinge, respectively.
  • Each panel body 10 of the present invention is attached to a flexible display panel 4 on which moving pictures, images, etc. are displayed.
  • FIG. 2 is a perspective view illustrating a state in which one panel body and an auxiliary panel are separated from the hinge for a foldable display having a gap prevention function according to the present invention.
  • 3 is an enlarged perspective view showing a part of the hinge for a foldable display having a gap prevention function according to the present invention, in which one side of the auxiliary panel is separated.
  • the auxiliary panel 12 is attached to the rotating plate 72 of the foldable hinge of the present invention.
  • the panel body 10 is connected to the anti-gaps arm 22 of the present invention.
  • FIG. 4 is a perspective view illustrating a state in which the hinge for a foldable display having a gap prevention function according to the present invention is being folded.
  • 5 is an enlarged perspective view illustrating a state in which the hinge for a foldable display having a play preventing function according to the present invention is being folded.
  • FIG. 6 is a perspective view showing a state in which the hinge for a foldable display having a gap prevention function according to the present invention is completely folded.
  • 7 is a perspective view illustrating a state in which the hinge for a foldable display having a gap prevention function according to the present invention is installed on the hinge base.
  • three hinges are installed on the hinge base 18 of the foldable hinge of the present invention.
  • FIG. 8 is a perspective view illustrating a hinge for a foldable display having a gap prevention function according to the present invention.
  • the hinge for a foldable display having a play preventing function includes a pair of play preventing arms 22, which rotate in opposite directions at the same time, and when the play preventing arms 22 of the present invention rotate together. It is composed of a rotating plate 72 that rotates while sliding along the rotating rail 74 .
  • FIG. 9 is an exploded perspective view showing an exploded state of the hinge for a foldable display having a gap prevention function according to the present invention.
  • the hinge for a foldable display having a play preventing function includes a hinge body 70 and a pair of play preventing arms 22 connected to the left and right of the hinge body 70 of the present invention to rotate. ), a pair of gear arms 30 and a pair of stopper arms 50 that are connected to and rotate together with the anti-play arm 22 of the present invention.
  • a pair of anti-play arm 22 according to the present invention slides along the stopper arm 50 and the gear arm 30 when rotating to be folded or unfolded.
  • the pair of stopper arms 50 of the present invention are configured such that, when fully unfolded, the angle unfolded by the stopper 52 becomes 180 degrees.
  • a first fixed friction plate 42 and a second fixed friction plate 46 installed in close contact with the front surface of the pair of gear arms 30 of the present invention are disposed, and between the first and second fixed friction plates 44 of the present invention A rotary friction plate 44 that rotates at the same time as the gear arm 30 rotates is installed.
  • a cam part 32 formed of mountains and valleys is configured at the rear of the gear part 33 of the gear arm 30 according to the present invention, and the cam part 32 of the gear arm 30 of the present invention is a cam part ( 37) is engaged with the formed moving cam 36, and the moving cam 36 of the present invention is configured to be connected with a spring 38 applying an elastic force and a bracket 40 supporting the spring 38.
  • Rotating rails 74 are installed on the left and right sides of the hinge body 70 of the present invention, respectively, a rotating plate 72 that is inserted into the rotating rail 74 of the present invention to rotate is installed, and the rotating plate 72 of the present invention is a gear (76) and the connecting gear portion (78) and gear-engaged.
  • the connecting gear portion 78 of the present invention engages with the play prevention arm 22 of the present invention.
  • FIG. 10 is an exploded perspective view illustrating an exploded state of the friction plate part in the hinge for a foldable display having a play preventing function according to the present invention.
  • the friction plate according to the present invention includes a first fixed friction plate 42 and a second fixed friction plate 44 that are installed in close contact with the front surface of the gear part 33 of the pair of gear arms 30 of the present invention. ) is disposed, and between the first and second fixed friction plates 44 of the present invention is connected to the gear part 33 of the gear arm 30, and the rotation friction plate 44 rotates simultaneously when the gear part 33 rotates. ) is installed.
  • a pair of gear arms 30 according to the present invention always rotates in opposite directions to each other at the same angle. This is because the pair of gear arms 30 is constituted by a four-axis gear portion composed of two gears 34 between the gear portion 33 of each gear arm 30 and the pair of gear portions 33 .
  • FIG. 11 is a plan view viewed from above the elastic part installed behind the 4-axis gear part of the present invention.
  • the rear part of the gear part 33 of the gear arm 30 according to the present invention is configured with a cam part 32 formed of mountains and valleys, and the cam part 32 of the gear arm 30 of the present invention is a valley.
  • a cam portion 37 composed of an acid is engaged with the formed moving cam 36, and the moving cam 36 of the present invention is connected to a spring 38 applying an elastic force and a bracket 40 supporting the spring 38. is made up
  • FIG. 12 is a front view of a pair of stopper arms moving in the hinge for a foldable display having a gap prevention function according to the present invention.
  • the pair of stopper arms 50 when the pair of stopper arms 50 according to the present invention are fully unfolded, the pair of stopper arms 50 constitute 180 degrees by the stopper 52 and are unfolded in a straight line.
  • each stopper arm 50 When the pair of stopper arms 50 according to the present invention are all folded, each stopper arm 50 forms a right angle with the ground by the stopper 52 . Accordingly, the pair of stopper arms 50 of the present invention are arranged parallel to each other.
  • FIG. 13 is a perspective view illustrating a moving state of the 4-axis gear unit to which the friction plate unit is attached according to the present invention.
  • 14 is a front view of the movement of the 4-axis gear unit to which the friction plate unit is attached according to the present invention as viewed from the front.
  • the pair of gear arms 30 are each configured to rotate beyond the range in which the pair of stopper arms 50 are folded. .
  • 15 is an exploded perspective view illustrating a state in which a gear arm and a stopper arm are connected to a play preventing arm in the hinge for a foldable display having a play preventing function according to the present invention.
  • the wing part 31 of the gear arm 30 and the wing part 51 of the stopper arm 50 are provided in the fitting grooves 23 on the left and right of the play preventing arm 22 according to the present invention, respectively.
  • the gear arm 30 and the stopper arm 50 are also configured to rotate to be folded or unfolded at the same time when the pair of gap prevention arms 22 are rotated to be folded or unfolded while being inserted.
  • the pair of stopper arms 50 and the stopper 52 of the present invention are made to be 180 degrees to each other in the state of the pair of anti-gaps 22 in the unfolded state, and to be parallel to each other in the folded state.
  • stopper arm 50 and the stopper 52 of the present invention rotate in the opposite direction to each other only up to 90 degrees when a pair of play prevention arms 22 are unfolded in a straight line at 180 degrees to each other, when folded. It controls the scope.
  • the gear arm 30 according to the present invention which receives elastic force by the spring 38 of the present invention, is in the downward direction of each anti-play arm 22 in a state in which a pair of anti-play arms 22 are unfolded to be 180 degrees to each other.
  • a force (elastic force) is applied, and in a state in which the pair of anti-play arms 22 according to the present invention are fully folded by 90 degrees in opposite directions, respectively, the elastic force is continuously applied in the direction in which the pair of anti-play arms 22 are rotated to be folded.
  • the pair of gear arms 30 according to the present invention continues to apply an elastic force to the anti-play arm 22 in the same direction as the direction in which the anti-play arm 22 rotates.
  • the play preventing arm 22 of the present invention is shaken due to play between the fitting groove 23 of the play preventing arm 22 and the wing portion 51 of the stopper arm 50 in the fully unfolded or fully folded state. blur is prevented.
  • FIG. 16 is a perspective view and a side cross-sectional view showing the direction in which a gear arm and a stopper arm apply a force from the play preventing arm in a state in which a pair of play preventing arms are fully unfolded in the hinge for a foldable display having a play preventing function according to the present invention.
  • the gear arm 30 in addition to the stopper arm 50, the gear arm 30 is connected to the anti-play arm 22, and as shown in (b), the gear arm 30 has a spring 38 ) by pressing the stopper arm 50 in the downward direction as shown by the arrow by the elastic force of Shaking due to the gap between them is prevented.
  • 17 is a perspective view and a side cross-sectional view showing the direction in which a gear arm and a stopper arm apply a force from the play preventing arm while a pair of play preventing arms are being folded in the hinge for a foldable display having a play preventing function according to the present invention.
  • the wing part 31 is inserted into the fitting groove 23 of the play prevention arm 22 while the pair of play prevention arms 22 according to the present invention are folded and the gear arm 30 is folded together.
  • An elastic force is applied to the play prevention arm 22 in the direction of the arrow.
  • FIG. 18 is a perspective view and a side cross-sectional view showing a direction in which a gear arm and a stopper arm apply a force from the play preventing arm in a state in which a pair of play preventing arms are fully folded in the hinge for a foldable display having a play preventing function according to the present invention.
  • the anti-play arm 22 Due to the minute gap between the wing portion 51 and the fitting groove 23 of the stopper arm 50 fitted in the silver fitting groove 23, it is easy to generate a minute shake.
  • the gear arm 30 is connected to the anti-play arm 22 .
  • the gear arm 30 exerts a pressing force in the direction in which the pair of play prevention arms 22 are further folded as shown by the arrow by the elastic force of the spring 38.
  • the play prevention arm 22 is fully folded, shaking due to the gap between the fitting groove 23 and the wing portions 51 and 31 is prevented.
  • 19 is a front view of the stopper arm and the anti-playout arm moving while the pair of anti-gaps arms are all folded in the hinge for a foldable display having a play preventing function according to the present invention.
  • the range in which the anti-play arm 22 of the present invention rotates. is controlled by the stopper arm 50 and the stopper 52 .
  • a pair of anti-gaps arm 22 according to the present invention constitutes an angle of 180 degrees to each other in the fully unfolded state, and is configured to be folded by an angle of 90 degrees in the opposite direction, respectively.
  • the anti-play arm 22 of the present invention is also connected to the stopper arm 50, and the pair of anti-play arm 22 according to the present invention stops the folding or unfolding operation by the stopper 52 of the stopper arm 50. Even in one state, an elastic force is applied so that the play prevention arm 22 is further folded or unfolded by the gear arm 30 .
  • the hinge for a foldable display device having a play preventing function has a structure in which a foldable hinge located in the center is connected to a panel body and a play preventing arm is connected to a stopper arm that controls the rotation range of the panel body and slides
  • the anti-gaps arm prevents shaking caused by the minute gap between the stopper arm and the sliding part, thereby providing a structure for providing the user with a foldable smartphone with no shaking of the panel body.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

La présente invention concerne une charnière pour un dispositif d'affichage pliable, ayant une fonction anti-jeu. Plus spécifiquement, la jonction au niveau de laquelle une charnière pliable montée au centre d'un dispositif d'affichage pliable et un corps d'écran dans lequel un écran d'affichage est monté sont reliés l'un à l'autre est susceptible de subir un jeu dû à un petit espace, et dans ce contexte, la présente invention concerne une charnière pour un dispositif d'affichage pliable, ayant une fonction anti-jeu capable d'empêcher la partie raccordée de la charnière pliable et du corps d'écran de cliqueter en raison d'un tel jeu.
PCT/KR2022/000508 2021-01-12 2022-01-11 Charnière pour dispositif d'affichage pliable, ayant une structure anti-jeu WO2022154445A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210004311A KR20220102081A (ko) 2021-01-12 2021-01-12 유격방지 기능을 가지는 폴더블 디스플레이장치용 힌지
KR10-2021-0004311 2021-01-12

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WO2022154445A1 true WO2022154445A1 (fr) 2022-07-21

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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
WO2024101760A1 (fr) * 2022-11-08 2024-05-16 (주)플렉시고 Gabarit de pliage double

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KR20070010756A (ko) * 2005-07-20 2007-01-24 엘지전자 주식회사 흔들림을 방지할 수 있는 스위블형 이동통신 단말기
KR20150096827A (ko) * 2014-02-17 2015-08-26 삼성전자주식회사 힌지장치 및 이를 구비하는 폴더블 디스플레이 장치
KR20190065641A (ko) * 2017-12-04 2019-06-12 엘지디스플레이 주식회사 폴더블 디스플레이 장치
KR20200098801A (ko) * 2019-02-12 2020-08-21 삼성디스플레이 주식회사 전자 장치
KR20200117777A (ko) * 2019-04-05 2020-10-14 주식회사 에스코넥 힌지 장치 및 이를 구비하는 폴더블 디스플레이 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070010756A (ko) * 2005-07-20 2007-01-24 엘지전자 주식회사 흔들림을 방지할 수 있는 스위블형 이동통신 단말기
KR20150096827A (ko) * 2014-02-17 2015-08-26 삼성전자주식회사 힌지장치 및 이를 구비하는 폴더블 디스플레이 장치
KR20190065641A (ko) * 2017-12-04 2019-06-12 엘지디스플레이 주식회사 폴더블 디스플레이 장치
KR20200098801A (ko) * 2019-02-12 2020-08-21 삼성디스플레이 주식회사 전자 장치
KR20200117777A (ko) * 2019-04-05 2020-10-14 주식회사 에스코넥 힌지 장치 및 이를 구비하는 폴더블 디스플레이 장치

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