WO2020226335A1 - Unité de charnière de type à repliement vers l'intérieur sur laquelle est monté un panneau d'affichage souple - Google Patents

Unité de charnière de type à repliement vers l'intérieur sur laquelle est monté un panneau d'affichage souple Download PDF

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Publication number
WO2020226335A1
WO2020226335A1 PCT/KR2020/005638 KR2020005638W WO2020226335A1 WO 2020226335 A1 WO2020226335 A1 WO 2020226335A1 KR 2020005638 W KR2020005638 W KR 2020005638W WO 2020226335 A1 WO2020226335 A1 WO 2020226335A1
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WIPO (PCT)
Prior art keywords
present
flexible display
display panel
pair
view
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Application number
PCT/KR2020/005638
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English (en)
Korean (ko)
Inventor
박현민
이성준
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
Priority claimed from KR1020190057229A external-priority patent/KR20200128330A/ko
Application filed by (주)에이유플렉스 filed Critical (주)에이유플렉스
Publication of WO2020226335A1 publication Critical patent/WO2020226335A1/fr

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    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present invention relates to an in-folding-type hinge portion in which a flexible display panel is installed, and more specifically, a foldable smartphone is provided by installing an up-down bar that moves up and down on the top of the hinge base installed at the foldable portion of the foldable smartphone.
  • the up-down bar goes down so that the folded part of the flexible display panel does not come into contact with the up-down bar, and when the panel of the smartphone is unfolded, the up-down bar rises up and returns to its original position and is located at the same height as the top panel.
  • It relates to an in-folding type hinge portion in which a flexible display panel is installed.
  • the mobile terminal may be configured to perform various functions. Examples of such various functions include a data and voice communication function, a function of taking a picture or a video through a camera, a function of recording a voice, a function of playing a music file through a speaker system, and a function of displaying an image or video.
  • various functions include a data and voice communication function, a function of taking a picture or a video through a camera, a function of recording a voice, a function of playing a music file through a speaker system, and a function of displaying an image or video.
  • Some mobile terminals include an additional function to play a game, while others are implemented as multimedia devices. Furthermore, recent mobile terminals can watch video or television programs by receiving broadcast or multicast signals.
  • a display module displays information processed by the mobile terminal. For example, when the mobile terminal is in a call mode, a user interface (UI) or a graphical user interface (GUI) related to a call is displayed.
  • UI user interface
  • GUI graphical 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. ), etc.
  • Patent documents similar to the hinge part for a mobile communication device in which the flexible display panel according to the present invention is installed include Publication No. 10-2015-0096827, (name of the invention, a hinge device and a foldable display device having the same).
  • an up-down bar that moves up and down is installed on the top of a hinge base installed in a foldable portion of a foldable smartphone, so that when the foldable smartphone is folded, the up-down bar goes down so that the folded portion of the flexible display panel does not contact the up-down bar. It is an object of the present invention to provide an in-folding type hinge unit on which a flexible display panel is installed, characterized in that when the panel of the smartphone is unfolded, the up-down bar rises up and returns to the original position to be located at the same height as the upper panel.
  • Hinge base 30 An up-down bar 20 moving up and down with respect to the upper surface of the hinge base;
  • the up-down bar 20 is configured to receive a force so as to be in close contact with the surface of the hinge base 30 while receiving an elastic force by the compression spring 52,
  • the hinge base 30 includes a pair of first rotation supports 40, a pair of second rotation supports 60 and a pair of third rotation supports 70,
  • a rotation protrusion 41 is formed to protrude in a circular arc shape on the side of the first rotation support 40,
  • the pair of second rotation supports 60 facing each other is connected to the elastic body 64,
  • Each of the pair of second rotation supports (60) is provided with a guide rail (62), and the protruding guide portion (65) of the elastic body (64) is a guide rail (62) of the second rotation support (60). ) Is configured to be moved by being inserted into each,
  • the elastic body 64 is characterized in that when the pair of second rotation supports 60 according to the present invention rotates in different directions at the same time, it is characterized in that the elastic force is applied to fold or unfold each other,
  • the third rotation support has a 4-axis gear unit
  • the four-axis gear unit is moved by being fitted with two gear wheels 74 in which gears are meshed with each other, a gear type guide bar 76 that is engaged with each of the gear wheels 74 and the protrusion of the gear type guide bar 76
  • the moving guide groove 72 is configured
  • the two gear wheels 74 that mesh with each other and the gear-type guide plate 76 that engages with each of the gear wheels 74 are inserted into the shaft fixed to the support body 68 to rotate. It characterized in that it is configured to do.
  • an up-down bar is installed on the top of the hinge base installed at the foldable part of the foldable smartphone, so that the up-down bar is in the folded state of the foldable smartphone. As it goes down, the folded portion of the flexible display panel does not come into contact with the up-down bar, thereby preventing damage to the folded portion of the flexible display panel.
  • the up-down bar rises up and returns to its original position, and is located at the same height as the upper panel, which prevents damage to the flexible display panel even when the user presses the fold in the center of the smartphone. There is a remarkable effect.
  • a pair of upper panels that rotate to be folded or unfolded are subjected to elastic force by an elastic body such as a torsion spring, so that the foldable smartphone is semi-automatically folded or unfolded when the user unfolds or folds the foldable smartphone.
  • an elastic body such as a torsion spring
  • FIG. 1 is a perspective view illustrating a state in which an upper panel on which an in-folding type hinge part is mounted is separated from a lower panel on which a flexible display panel according to the present invention is installed.
  • FIG. 2 is a perspective view showing a state in which an in-folding type hinge part on which a flexible display panel is installed according to the present invention is separated from an upper panel.
  • FIG 3 is an exploded perspective view of a state in which an up-down bar is separated from a hinge base in an in-folding type hinge portion in which a flexible display panel according to the present invention is installed.
  • FIG. 4 is an exploded perspective view of an in-folding type hinge part on which a flexible display panel according to the present invention is installed.
  • FIG. 5 is an exploded perspective view in which the first rotation support is exploded in the exploded perspective view shown in FIG. 4.
  • FIG. 6 is a perspective view showing a state in which the first rotation support shown in FIG. 5 is assembled.
  • FIG. 7 is an exploded perspective view and an assembled perspective view of an elastic drive unit and a four-axis gear unit in an in-folding type hinge unit in which a flexible display panel according to the present invention is installed.
  • FIG. 8 is an exploded perspective view of an elastic driving unit and a four-axis gear unit in FIG. 7.
  • FIG. 9 is an exploded perspective view of a four-axis gear unit according to the present invention shown in FIG. 8.
  • FIG. 10 is a front view showing a section A from a guide rail of an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • FIG. 11 is a front view showing section B from a guide rail of an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • FIG. 12 is a front view showing a section C from a guide rail of an in-folding type hinge part on which a flexible display panel according to the present invention is installed.
  • FIG. 13 is a perspective view showing a state in which the guide protrusion of the elastic actuator according to the present invention is positioned in section A shown in FIG. 10.
  • FIG. 14 is a view showing the unfolded panel connected to the in-folding type hinge portion on which the flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located in section A shown in FIG. 10 It is a perspective view.
  • FIG. 15 is a perspective view showing a state in which the guide protrusion of the elastic actuator according to the present invention is located in section B shown in FIG. 11.
  • FIG. 16 is a view illustrating a folded panel connected to an in-folding type hinge portion on which a flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located in section B shown in FIG. It is a perspective view.
  • FIG. 17 is a perspective view showing a state in which the guide protrusion of the elastic driving body according to the present invention is located at the lower end of section B shown in FIG. 11.
  • FIG. 18 is a 3/4 view of a panel connected to the'in-folding type hinge part' on which the flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located at the lower end of section B shown in FIG. It is a perspective view showing a folded state.
  • FIG. 19 is a perspective view showing a state in which the guide protrusion of the elastic driving body according to the present invention is located in section C shown in FIG. 12.
  • FIG. 20 is a view showing a state in which the panel connected to the in-folding type hinge portion on which the flexible display panel according to the present invention is installed is folded when the guide protrusion of the elastic actuator according to the present invention is located in section C shown in FIG. 12 It is a perspective view.
  • FIG. 21 is a front view showing section A from a guide rail according to another exemplary embodiment from an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • FIG. 22 is a front view showing a section B from a guide rail according to another exemplary embodiment from an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • FIG. 23 is a perspective view showing a folded state of the elastic driving part when the guide protrusion of the elastic driving part is located in section A in the guide rail of another embodiment in the'in-folding type hinge part in which the flexible display panel is installed according to the present invention.
  • 25 is a perspective view showing a state in which the guide protrusion of the elastic actuator is located at the end of section B in the guide rail of another embodiment in the'in-folding type hinge portion in which the flexible display panel is installed according to the present invention, and the elastic driving portion is folded. .
  • 26 is a cross-sectional view showing the movement of a four-axis gear unit in an in-folding type hinge part in which a flexible display panel is installed according to the present invention.
  • FIG. 27 is a cross-sectional view showing a state in which the guide protrusion of the four-axis gear unit shown in FIG. 26 moves.
  • FIG. 28 is a cross-sectional view illustrating a configuration in which an up-down bar is moved by a first rotation support in an in-folding type hinge portion in which a flexible display panel is installed according to the present invention.
  • 29 is a cross-sectional view showing a configuration in which an up-down bar moves up and down by a contact portion of a second rotation support according to the present invention in the'in-folding type hinge portion in which the flexible display panel is installed according to the present invention.
  • FIG. 1 is a perspective view illustrating a state in which an upper panel on which an in-folding type hinge part is mounted is separated from a lower panel on which a flexible display panel according to the present invention is installed.
  • 2 is a perspective view showing a state in which the'in-folding type hinge part' on which the flexible display panel is installed according to the present invention is separated from a pair of upper panels.
  • a pair of upper panels 10 according to the present invention are connected to each other by an in-folding type hinge part, and a pair of upper panels 10 according to the present invention are connected to each other by an in-folding type hinge part. It is configured to cover the bottom of the upper panel 10 connected to each other.
  • the hinge base 31 of the present invention is configured to be covered by the hinge part cover 31.
  • FIG 3 is an exploded perspective view of a state in which an up-down bar is separated from a hinge base in an in-folding type hinge portion in which a flexible display panel according to the present invention is installed.
  • 30 is disposed along the center of the longitudinal direction, and the up-down shaft 50 to which the compression spring 52 is fitted penetrates from the bottom of the hinge base 30 to the bottom of the compression spring 52 and the up-down shaft 50
  • the portion is located only inside the hinge base 30, and only the end of the upper end of the up-down shaft 50 protrudes above the upper surface of the hinge base 30 through penetration, and is combined with the up-down bar 20 of the present invention.
  • the up-down bar 20 of the present invention is configured to receive a force so as to be in close contact with the surface of the hinge base 30 while receiving an elastic force by the compression spring 52.
  • FIG. 4 is an exploded perspective view of an in-folding type hinge part on which a flexible display panel according to the present invention is installed.
  • a first pair of rotating supports 40 according to the present invention is shown separated from the hinge base 30.
  • a rotation protrusion 41 is formed to protrude in a circular arc shape.
  • a pair of second rotary support 60 and a pair of third rotary support 70 are assembled to be coupled to the hinge base 30 of the present invention.
  • a pair of first rotation support 40, a pair of second rotation support 60 and a pair of third rotation support 70 according to the present invention are configured to be coupled to the upper panel 10, respectively. (See Fig. 2)
  • FIG. 5 is an exploded perspective view in which the first rotation support is exploded in the exploded perspective view shown in FIG. 4.
  • 6 is a perspective view showing a state in which the first rotation support shown in FIG. 5 is assembled.
  • a pair of first rotation support 40 according to the present invention is assembled to be supported so that it can be rotated by being inserted into the rotation groove 43 of the fixed support 42, and the hinge base of the present invention It is configured to bind to (30).
  • the rotation protrusion 41 formed on the side of the first rotation support 40 of the present invention is fitted into the rotation groove 43 of the fixed support 42, and the rotation support 40 along the rotation groove 43 of the present invention Is configured to rotate.
  • FIG. 7 is an exploded perspective view and an assembled perspective view of an elastic drive unit and a four-axis gear unit in an in-folding type hinge unit in which a flexible display panel according to the present invention is installed.
  • 8 is an exploded perspective view of an elastic driving unit and a four-axis gear unit in FIG. 7.
  • 9 is an exploded perspective view of the four-axis gear unit shown in FIG. 8.
  • the elastic drive unit according to the present invention is composed of a pair of second rotation support 60 and the elastic body 64 facing each other.
  • a guide rail 62 is formed on each of the pair of second rotation supports 60 according to the present invention, and the protruding guide portion 65 of the elastic body 64 such as a torsion spring is the second rotation support 60 It is configured to be movable by being fitted to each of the guide rails 62 of the.
  • the elastic body 64 according to the present invention serves to apply an elastic force to fold or unfold each other when the pair of second rotation supports 60 according to the present invention rotate in different directions at the same time.
  • the four-axis gear unit of the present invention includes two gear wheels 74 in which gears are meshed with each other, a gear-type guide base 76 in which gears are engaged, and a gear-type guide base 76 of the present invention. It is composed of a third rotation support (70) is configured with a moving guide groove (72) to which the protrusion is inserted and moved.
  • two gear wheels 74 in which gears are meshed with each other, and a gear-type guide base 76 in which gears are engaged with each other are attached to the shaft fixed to the support body 68. It is configured to be inserted and rotated.
  • FIG. 9 is an exploded view of the four-axis gear unit of the present invention as viewed from above.
  • 10 is a front view showing a section A from a guide rail of an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • 11 is a front view showing section B from a guide rail of an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • 12 is a front view showing a section C from a guide rail of an in-folding type hinge part on which a flexible display panel according to the present invention is installed.
  • section A of the guide rail 62 formed on the side of the second rotation support 60 of the present invention is a pair of second rotation support 60 according to the present invention by the elastic body 64. ) Is a section in which elastic force is applied in the unfolding direction.
  • Section B according to the present invention is a section in which force is applied so that the pair of second rotation supports 60 according to the present invention is unfolded or folded by the user
  • section C according to the present invention is a pair of second rotation supports according to the present invention. It is a section in which elastic force is applied to maintain the rotation support 60 in a folded state.
  • FIG. 13 is a perspective view showing a state in which the guide portion of the elastic body according to the present invention is located in section A shown in FIG. 10.
  • FIG. 14 is a view showing the unfolded panel connected to the in-folding type hinge portion on which the flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located in section A shown in FIG. 10 It is a perspective view.
  • FIG. 15 is a perspective view showing a state in which the guide protrusion of the elastic actuator according to the present invention is located in section B shown in FIG. 11.
  • FIG. 16 is a view illustrating a folded panel connected to an in-folding type hinge portion on which a flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located in section B shown in FIG. It is a perspective view. 17 is a perspective view showing a state in which the guide protrusion of the elastic driving body according to the present invention is located at the lower end of section B shown in FIG. 11.
  • FIG. 16 is a view illustrating a folded panel connected to an in-folding type hinge portion on which a flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located in section B shown in FIG.
  • FIG. 17 is a perspective view showing a state in which the guide protrusion of the elastic driving body according to the present invention is located at the lower end of section B shown in
  • FIG. 18 is a 3/4 view of a panel connected to the'in-folding type hinge part' on which the flexible display panel according to the present invention is installed when the guide protrusion of the elastic actuator according to the present invention is located at the lower end of section B shown in FIG. It is a perspective view showing a folded state.
  • FIG. 19 is a perspective view showing a state in which the guide protrusion of the elastic driving body according to the present invention is located in section C shown in FIG. 12.
  • FIG. 20 is a view showing that when the guide protrusion of the elastic driving body according to the present invention is located in section C shown in FIG. 12, the upper panel connected to the'in-folding type hinge part' on which the flexible display panel according to the present invention is installed is completely folded. It is a perspective view shown.
  • FIG. 21 is a front view showing section A from a guide rail according to another exemplary embodiment from an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • 22 is a front view showing a section B from a guide rail according to another exemplary embodiment from an in-folding type hinge portion on which a flexible display panel according to the present invention is installed.
  • the guide portion 65 of the elastic body 64 is positioned in the section A in the guide rail 63 of another embodiment in the in-folding type hinge portion in which the flexible display panel according to the present invention is installed. During this, an elastic force acts in the direction in which the pair of second rotation supports 60 are unfolded.
  • an elastic force acts in the direction in which the pair of second rotation supports 60 is folded.
  • FIG. 23 is a perspective view showing a folded state of the elastic driving part when the guide protrusion of the elastic driving part is located in section A in the guide rail of another embodiment in the'in-folding type hinge part in which the flexible display panel is installed according to the present invention.
  • a user applies a force to fold the second rotation support 60 and the third rotation support 70, and the second rotation support 60 passes through the section A in the guide rail 63 of another embodiment.
  • the protruding guide portion 65 of the elastic body 64 is positioned at the starting point of the section, a pair of the second rotation support 60 and the third rotation support 70 according to the present invention by the elastic force of the elastic body 64 Is forced to fold together.
  • 25 is a perspective view showing a state in which the guide protrusion of the elastic actuator is located at the end of section B in the guide rail of another embodiment in the'in-folding type hinge portion in which the flexible display panel is installed according to the present invention, and the elastic driving portion is folded. .
  • a pair of the second rotation support 60 according to the present invention maintains a folded state.
  • the elastic force is applied so that the folded upper and lower panels 10 and 12 are maintained in a folded state so that they do not spread by themselves.
  • 26 is a cross-sectional view showing the movement of a four-axis gear unit in an in-folding type hinge part in which a flexible display panel is installed according to the present invention.
  • 27 is a cross-sectional view showing a state in which the guide protrusion of the four-axis gear unit shown in FIG. 26 moves.
  • the flexible display panel 4 in which information such as moving pictures and images is displayed in a free space equal to the width of the up-down bar 20 of the present invention is in a folded state. Will be placed.
  • the thickness of the smartphone is not required to increase the diameter of the gear wheels 74 and the gear-type guide base 76. It is possible to configure thinner.
  • the pair of third rotation supports 70 is also unfolded at the same time, and the contact portion 140 is in close contact with the bottom surface of the up-down bar 20 and the up-down portion 20 is lifted.
  • the height of the upper surface of the upper bar 22 installed on the up-down part 20 by moving in the direction is the same as the height of the upper surface of the upper panel 10.
  • 28 is a cross-sectional view showing a configuration in which an up-down bar is moved by a first rotation support to an in-folding type hinge portion on which a flexible display panel is installed according to the present invention.
  • 29 is a cross-sectional view showing a configuration in which an up-down bar moves up and down by a contact portion of a second rotation support according to the present invention in the'in-folding type hinge portion in which the flexible display panel is installed according to the present invention.
  • the upper surface of the upper bar 22 installed on the up-down bar 20 is configured to be the same height as the upper surface of the upper panel 10.
  • the flexible display panel 4 on which information such as moving pictures and images is displayed is attached to a pair of upper panels 10 and supported by an upper bar 22 coupled to the upper surface of the up-down bar 20 located in the middle.
  • the flexible display panel 4 of the foldable portion of the foldable display device is the upper panel 10 It is supported by the upper surface of the upper bar 22 of the up-down bar 20 having the same height as the upper surface of. (Refer to drawing (C))

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)

Abstract

La présente invention concerne une unité de charnière de type à repliement vers l'intérieur sur laquelle est monté un panneau d'affichage souple, cette unité étant caractérisée en ce qu'une barre de mouvement haut en bas se déplaçant de haut en bas est installée sur le dessus d'une base de charnière qui est installée dans une partie pliable d'un téléphone intelligent pliable de telle sorte que, lorsque la barre de mouvement haut en bas se déplace vers le bas dans un état replié du téléphone intelligent pliable, une partie pliée du panneau d'affichage souple n'entre pas en contact avec la barre de mouvement haut en bas, et lorsque le panneau du téléphone intelligent est déplié, la barre de mouvement haut en bas s'élève pour revenir à sa position d'origine, et elle est située à la même hauteur qu'un panneau supérieur.
PCT/KR2020/005638 2019-05-04 2020-04-28 Unité de charnière de type à repliement vers l'intérieur sur laquelle est monté un panneau d'affichage souple WO2020226335A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2019-0052646 2019-05-04
KR20190052646 2019-05-04
KR10-2019-0057229 2019-05-15
KR1020190057229A KR20200128330A (ko) 2019-05-04 2019-05-15 플렉서블 디스플레이패널이 설치되는 인폴딩타입 힌지부

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CN112751962A (zh) * 2021-01-19 2021-05-04 维沃移动通信有限公司 折叠机构和电子设备
CN113870707A (zh) * 2021-09-28 2021-12-31 京东方科技集团股份有限公司 折叠机构及显示装置

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Publication number Priority date Publication date Assignee Title
CN112751962A (zh) * 2021-01-19 2021-05-04 维沃移动通信有限公司 折叠机构和电子设备
CN112751962B (zh) * 2021-01-19 2023-05-23 维沃移动通信有限公司 折叠机构和电子设备
CN113870707A (zh) * 2021-09-28 2021-12-31 京东方科技集团股份有限公司 折叠机构及显示装置
CN113870707B (zh) * 2021-09-28 2023-09-26 京东方科技集团股份有限公司 折叠机构及显示装置

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