WO2023027496A1 - 플렉서블 디스플레이패널을 이용한 폴딩식 휴대단말기의 힌지장치 - Google Patents
플렉서블 디스플레이패널을 이용한 폴딩식 휴대단말기의 힌지장치 Download PDFInfo
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- WO2023027496A1 WO2023027496A1 PCT/KR2022/012630 KR2022012630W WO2023027496A1 WO 2023027496 A1 WO2023027496 A1 WO 2023027496A1 KR 2022012630 W KR2022012630 W KR 2022012630W WO 2023027496 A1 WO2023027496 A1 WO 2023027496A1
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- Prior art keywords
- hinge
- plate
- wing
- folding
- hinge wing
- Prior art date
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- 230000000630 rising effect Effects 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 23
- 238000011109 contamination Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0226—Hinges
Definitions
- the present invention relates to a hinge device for a foldable portable terminal using a flexible display panel, and more particularly, when a foldable first body and a second body are in an unfolded position, the flexible display panel can be maintained horizontally, In addition, when the first body and the second body are in a folded position, a predetermined radius of curvature is formed on the folding portion of the flexible display panel, while the inside of the body is in contact with the inside of the body. Regarding a hinge device capable of forming the outer and inner sides in parallel will be.
- portable terminals such as tablet PCs and smart phones have been applied with various functions added or improved to improve convenience due to the development of semiconductors, software, and communication fields.
- the portable terminal is divided into a first body 1 and a second body 2, and the first body 1 and the second body 2 are folded.
- the screen of the flexible display panel 3 can be greatly viewed in the unfolded position as shown in FIG. 1A.
- the prior art described above has a predetermined radius of curvature (R) formed in the folding portion (P) of the flexible display panel (3) at a position where the first body (1) and the second body (2) are folded.
- R radius of curvature
- the inner surfaces of the first body 1 and the second body 2 become tapered with a gap gradually widening toward the folding portion P from the end.
- the outer surfaces of the first body 1 and the second body 2 are thicker toward the folding portion P from the mutually contacted ends. becomes a gradually increasing taper shape.
- a folding portable terminal using a conventional flexible display panel has a tapered shape in which the folding portion P side is thick and the end side is thin when the first and second bodies 1 and 2 are folded.
- the second body (1, 2) is not simple compared to the parallel appearance, and foreign substances are introduced through the gap formed between the first body (1) and the second body (2) during carrying, resulting in a flexible display panel ( 3) There is a disadvantage of contaminating the surface.
- the present invention is to solve the conventional problems as described above, and its object is to form a predetermined radius of curvature in the folding portion of the flexible display panel in a state in which the first body and the second body are folded, while the first body and the second body are folded.
- a flexible display that can prevent contamination of the flexible display panel due to inflow of foreign substances by bringing the inside of the body into contact so that the shape of the outside and inside can be parallel, so that the appearance is simple and there is no gap between the first body and the second body
- An object of the present invention is to provide a hinge device for a folding portable terminal using a panel.
- a hinge device for achieving the above object includes: a housing positioned between one end of a first body and a second body that are interlocked for relative movement; It is fixed to the first body and the second body, respectively, and is supported by the housing to rotate, so that the first body and the second body are placed on the same horizontal line in the 'expanded position', and the first body and the second body face each other.
- First and second hinge wings rotating at a predetermined angle between the contacting 'folding positions'; It is installed on the first hinge wing and the second hinge wing, respectively, and is interlocked by pressing during the rotational movement of the first hinge wing and the second hinge wing, so that the horizontal lines of the first body and the second body in the 'unfolded position' Moving between a horizontal position coincident with the image and an inclined position disposed inclined from the horizontal plane of the first body and the second body so that a folding space is formed between the first hinge wing and the second hinge wing in the 'folding position' It is characterized in that it includes a first swash plate and a second swash plate.
- the first swash plate and the second swash plate are interlocked by a first pressing means, and the first pressing means provides elastic force so that the first swash plate and the second swash plate are always in the inclined position.
- the elastic member When the elastic member, the first hinge wing and the second hinge wing rotate to the 'unfolded position', the first hinge plate and the second hinge plate are pressed, respectively, so that the first hinge wing and the second hinge wing are in a horizontal position. It is characterized in that it consists of a first pressing protrusion to be held.
- rotation support grooves are formed on the first hinge wing and the second hinge wing
- rotation support protrusions are formed on the first swash plate and the second swash plate, so that the first and second swash plates rotate the support protrusion. It is characterized by being able to rotate at a predetermined angle between a horizontal position and an inclined position with respect to the center.
- the assembly holes of the first hinge wing and the second hinge wing coupled to the first inclined plate and the second inclined plate are formed slightly longer in the rotational direction of the first inclined plate and the second inclined plate, so that the first inclined plate and guiding rotation of the second swash plate at a predetermined angle.
- first hinge wing and the second hinge wing are formed with an inclined surface that can be in close contact with the first inclined plate and the second inclined plate at the inclined position of the first inclined plate and the second inclined plate, so that the pressing member always There is a feature made to form a folding space at a certain inclined position.
- the hinge device is installed in the housing and is located in the folding space between the first inclined plate and the second inclined plate, and is interlocked by pressing during the rotational movement of the first hinge wing and the second hinge wing, so that the unfolding
- the housing so that the folding space is formed between the first hinge wing and the second hinge wing at the rising position spaced apart from the housing so as to connect the first swash plate and the second swash plate on the same horizontal line at the position and the folded position It is characterized in that it is made by further comprising a lifting plate moving between the lowering position close to the.
- the lifting plate is interlocked by a second pressing means, and the second pressing means presses the lifting plate with a second elastic member that provides elastic force so that the lifting plate is always in the lowered position. It is characterized in that it consists of second and third pressing protrusions for moving to a rising position and a lowering position.
- the hinge device according to the present invention is characterized in that the display panels attached to the first body and the second body are folded in parallel outside the folding portion while forming a predetermined radius of curvature in the folding portion.
- the first and second inclined plates of the hinge device move to a horizontal position to maintain the folding portion of the flexible display panel in a horizontal state, and in the folded position of the main body, the first And the second inclined plate is moved to an inclined position to form a folding space capable of accommodating a predetermined radius of curvature formed in the folding portion of the flexible display panel, thereby forming a radius of curvature in the folding portion, while the inside of the main body is in contact with the outer side and the inner side can be formed in parallel.
- the appearance of the portable terminal is simplified, and at the same time, the gap between the main body is removed, thereby preventing contamination of the flexible display panel due to inflow of foreign substances.
- the lifting plate moves from the folded position of the main body to the lowered position to form a folding space capable of accommodating a predetermined radius of curvature formed in the folding part of the flexible display panel, and in the unfolded position of the main body, the hinge device Since the lifting plate moves to the rising position and connects the gap between the first and second inclined plates in the horizontal position on the same horizontal line, continuously and reliably maintains the horizontal state of the foldable part of the flexible display panel in the unfolded position It works.
- FIGS. 1A and 1B are side views showing an unfolded position and a folded position of a conventional foldable portable terminal
- FIGS. 2a and 2b are side views showing the unfolded position and the folded position of the foldable portable terminal according to the present invention.
- Figure 3 is a perspective view of a state in which the flexible display panel is separated from the first and second bodies in the unfolded position of the portable terminal according to the present invention.
- FIG. 4 is an exploded perspective view showing a coupling relationship between first and second main bodies and a hinge device in FIG. 3;
- Figure 5 is a perspective view showing the main configuration of the hinge device according to the present invention in isolation.
- Figure 6 is an exploded perspective view of the first and second hinge wings and the housing showing the rotation support structure of the first and second hinge wings in the hinge device of the present invention.
- FIG. 7a and 7b are cross-sectional views showing rotation support configurations of first and second hinge wings in FIG. 6;
- Figure 8 is an exploded perspective view showing the interlocking structure of the first and second hinge wings and the slide member in the hinge device of the present invention.
- Figure 9 is an exploded perspective view showing the bottom portion of the housing and the slide member in Figure 8.
- 10a and 10b are operational state diagrams showing the interlocking action between the slide member and the hinge wing in the hinge device of the present invention.
- Figure 11 is a partially exploded perspective view showing the tension mechanism in the hinge device of the present invention.
- FIG. 12 is an exploded perspective view showing a connection structure between a tension mechanism and first and second hinge wings in the hinge device of the present invention.
- 13a and 13b are operation states of the tension mechanism in the hinge device of the present invention.
- FIG. 14A and 14B are cross-sectional views taken along line A-A of FIG. 4, showing an installation structure of first and second inclined plates in the hinge device of the present invention and an operating state of the first elastic member of the first pressing means.
- 15A and 15B are cross-sectional views showing the operating states of the first and second swash plates by the first pressing protrusion of the first pressing means;
- Figure 16 is an exploded perspective view showing the installation state of the lifting plate and the tension mechanism in the hinge device of the present invention.
- 17a and 17b are cross-sectional views showing an installation configuration of the lift plate and an operating state of the second elastic member of the second pressing means in FIG. 16;
- 18a and 18b are cross-sectional views illustrating an operating state of the lifting plate by the second and third pressing protrusions of the second pressing means in FIG. 16;
- hinge device 21 first and second hinge wings
- FIG. 2a and 2b are side views showing the unfolded position and the folded position of the foldable portable terminal according to the present invention, in which the first body 11 and the second body 12 separated as shown in FIG. 2a are unfolded in the horizontal direction.
- the inner surfaces of the first body 11 and the second body 12 are positioned on the same horizontal line, and the flexible display panel installed on the inner surfaces of the first body 11 and the second body 12 ( 13) also maintains a horizontal state so that a wide screen can be used.
- the flexible display panel 13 has a predetermined radius of curvature (R) on the folding portion (P).
- a 'dumbbell shape' a parallel folded shape outside the folding portion, so that the inner sides of the first body 11 and the second body 12 are in contact at the 'folded position', and the outer and
- the present invention can be applied to a curvature radius smaller than 1.5R (radius of curvature of 1.5 mm), which is the curvature radius (R) of the folding portion of a folding portable terminal to which a flexible display panel is applied. This function is performed by the hinge device of the present invention described in detail below.
- FIG 3 is a perspective view of the flexible display panel 13 separated from the first and second bodies 11 and 12 in the unfolded position of the portable terminal according to the present invention, showing the first body 11 and the second body 12 A hinge device 14 is connected and installed between one end of the folding portion facing each other.
- the flexible display panel 13 is formed to a size capable of covering the entire area of the first and second bodies 11 and 12 including the hinge device 14, and the first and second bodies excluding the hinge device 14. It is fixed to the inner surfaces of the main bodies 11 and 12 by means of adhesive or the like.
- FIG. 4 is an exploded perspective view showing the coupling relationship between the first and second main bodies 11 and 12 and the hinge device 14, the hinge device 14 having first and second hinge wings 21 and 22, ,
- the first and second hinge wings 21 and 22 are coupled to the first and second bodies 11 and 12 by fixing the first body 11 and the second body 12 with screws (not shown), respectively do.
- FIG. 5 is a perspective view showing the main components of the hinge device 14 in an exploded manner.
- the hinge device 14 has the first and second hinge wings 21 and 22 at a predetermined angle, that is, between the 'expanded position' and the 'folded position' of the first and second main bodies 11 and 12
- Tension mechanism 50 that performs a pre-stop function between the housing 31 and the first and second hinge blades 21 and 22 to rotate in the 'expanded position' and 'folded position' during the rotational movement of the provide
- the first and second hinge wings 21 and 22, the housing 31 and the tension mechanism 50 are the first and second bodies 11 for a stable folding operation of the first and second bodies 11 and 12. , 12) are installed in the same configuration on both edges of the connection ends, and both housings 31 and the tension mechanism 50 are fixed with one hinge cover 32 and screws (not shown).
- the rotational support structure of the first and second hinge wings 21 and 22 includes a pair of semicircular protrusions 31a and 31b disposed on the inner wall surfaces of both sides of the housing 31 at a predetermined interval, It consists of semicircular grooves 21a and 22a formed on the first and second hinge wings 21 and 22, respectively, into which the semicircular protrusions 31a and 31b are fitted and rotationally supported.
- the semicircular grooves 21a and 22a of the first and second hinge wings 21 and 22 are formed at opposite ends of the fixing parts 21b and 22b to which the first and second main bodies 11 and 12 are fixed to form a semicircular shape.
- the first and second main bodies 11 and 12 can be rotated and supported between the 'unfolded position' and the 'folded position' by rotating the fixing parts 21b and 22b side by a predetermined angle with the grooves 21a and 22a as the center.
- the spacing between the semicircular protrusions 31a and 31b is such that the folding space capable of accommodating a predetermined radius of curvature R formed in the folding portion P of the flexible display panel 13 in the 'folding position' is It is set to be formed between the second hinge wings 21 and 22.
- semicircular grooves 21a and 22a are formed on the first and second hinge wings 21 and 22, and semicircular protrusions 31a and 31b are formed on the housing 31, but on the contrary Semicircular protrusions 31a and 31b may be formed on the first and second hinge wings 21 and 22, and semicircular grooves 21a and 22a may be formed on the housing 31.
- any configuration capable of rotationally supporting the main bodies 11 and 12 is combined with a configuration including an interlocking means, an inclined plate or an elevation plate to be described later. can be applied to the invention.
- FIGS. 8 and 9 show the first and second hinge wings 21 and 22, the housing 31 and the interlocking means, and the housing 31 includes the first hinge wings 21 and the second hinge wings 22 )
- a slide member 41 is provided as an interlocking means for relative movement of each other.
- the slide member 41 is installed in the housing 31 so as to be reciprocally movable a predetermined distance in the direction of the rotation axis of the first and second hinge blades 21 and 22 (hereinafter referred to as 'hinge axis').
- the moving structure of the slide member 41 forms a rectangular slide hole 42a in the direction of the hinge axis in the housing 31, and on the bottom surface of the slide member 41, a slide protrusion inserted into and guided by the slide hole 42a (42b) is formed.
- the interlocking means is formed on the upper surface of the slide member 41 corresponding to the first and second inclined guide protrusions 43a and 43b formed on the bottom surfaces of the first and second hinge wings 21 and 22, respectively. It has first and second inclined guide grooves 44a and 44b.
- the portion where the first and second inclined guide protrusions 43a and 43b are formed on the bottom surface of the first and second hinge wings 21 and 22 is a curved surface formed in the direction of rotation of the first and second main bodies 11 and 12 It will be done.
- the portion where the first and second inclined guide grooves 44a and 44b are formed in the slide member 41 is also curved along its length corresponding to the portion where the first and second inclined guide protrusions 43a and 43b are formed. It is desirable to form
- the first and second inclined guide grooves 44a and 44b respectively formed on the upper surface of the slide member 41 are formed in directions that are obliquely offset from each other with respect to the moving direction of the slide member 41 . That is, the first inclined guide groove 44a and the second inclined guide groove 44b are formed to be inclined in an oblique direction with respect to the moving direction of the slide member 41, but the respective inclined directions (oblique directions) are in the same direction as each other. Rather, they are formed in opposite directions.
- the inclined angles of the first inclined guide groove 44a and the second inclined guide groove 44b are the same based on the moving axis of the slide member 41 .
- the first and second hinge wings 21 and 22 are When interlocking between the 'unfolding position' and the 'folding position', the rotational movement can be performed at the same distance.
- the first and second inclined guide protrusions 43a and 43b engaged with and moved by the first and second inclined guide grooves 44a and 44b correspond to the bottom surfaces of the first and second hinge wings 21 and 22. to be formed in place.
- the first and second inclined guide protrusions 43a and 43b may be formed in a hemispherical or rectangular shape. It is preferable that the first and second inclined guide protrusions 43a and 43b are formed in a shape in which the width becomes narrower in the upward direction, so that friction occurs when the first and second inclined guide grooves 44a and 44b are engaged. can reduce vibration and noise.
- the first and second inclined guide protrusions 43a and 43b along the first and second inclined guide grooves 44a and 44b are obliquely moving along the curved surface in a direction that is offset from each other.
- the first and second hinge wings 21 and 22 on which the first and second inclined guide protrusions 43a and 43b are formed are interlocked to rotate between the 'extended position' and the 'folded position'.
- the interlocking structure of the first and second hinge wings 21 and 22 is such that even if only one of the first and second hinge wings 21 and 22 is rotated to the 'folded position' or 'unfolded position', the first While the first and second inclined guide protrusions 43a and 43b move in engagement with the first and second inclined guide grooves 44a and 44b, the slide member 41 interlocked therewith moves linearly by a predetermined length in the direction of the hinge axis, One side moves relative to the opposite direction and rotates to the 'folding position' or 'extending position' at the same time.
- any configuration for relative movement of the hinge wings or the main body is combined with a characteristic configuration including an inclined plate or an elevating plate to be described later to the present invention. can be applied
- FIG 10 is a perspective view of the tension mechanism 50 shown by separating some components from the hinge device 14 of the present invention.
- the tension mechanism 50 includes a tension fixing member 51 fixed to the hinge cover 32 (see FIG. 5), and the tension fixing member 51 includes first and second guide shafts 52a , 52b) is provided in the hinge axis direction.
- Tension movable members 53 and 54 are inserted into the first and second guide shafts 52a and 52b to be movable in the axial direction, and the first and second guide shafts 52a are installed in the tension movable members 53 and 54.
- a plurality of inclined projections 53a and 54a are formed to protrude in the hinge axis direction, respectively.
- the tension mechanism 50 is provided with first and second tension blades 55 and 56 fitted to the first and second guide shafts 52a and 52b to be rotatably supported and movably installed in the axial direction.
- first and second tension blades 55 and 56 another inclined projections 55a and 56a that can be fitted between them are formed corresponding to the inclined projections 53a and 54a of the tension movable members 53 and 54. .
- a first spring 57a is installed between the tension movable member 53 and the first and second tension wings 55 and 56
- a second spring 57a is installed between the tension movable member 54 and the tension fixing member 51.
- 57b) is installed elastically.
- the inclined projections 53a and 54a of the tension movable members 53 and 54 are the inclined projections 55a and 56a of the first and second tension wings 55 and 56 It is installed so as to always provide elastic force in the direction of fitting.
- connection configuration between the tension mechanism 50 and the first and second hinge wings 21 and 22, and the connection configuration has a rectangular shape on one side of the first and second hinge wings 21 and 22.
- a tension guide hole 58a is formed, and a tension guide protrusion 58b is formed in the first and second tension wings 55 and 56 of the tension mechanism 50 to be inserted into the tension guide hole 58a and guided. .
- first and second tension blades 55 and 56 of the tension mechanism 50 interlock with the first and second hinge wings 21 and 22 to rotate between the 'extended position' and the 'folded position' together.
- the tension mechanism 50 attaches the first and second tension blades 55 and 56 to the inclined projections 53a and 54a of the tension movable members 53 and 54 according to the rotation of the first and second tension blades 55 and 56. ) of the inclined projections 55a and 56a are fitted or separated, and as a result, the elastic force of the first and second springs 57a and 57b is increased or decreased, so that the first and second main body in the 'extended position' or 'folded position'
- the rotation operation of (11, 12) is easily performed with little force, and the free-stop function is performed between the 'extended position' and the 'folded position'.
- any configuration capable of easily rotating the main bodies 11 and 12 with little force and performing the free-stop function is an inclined plate or an elevating plate to be described later It can be applied to the present invention in combination with a characteristic configuration including.
- the hinge device 14 of the present invention includes first and second inclined plates 61 and 62 installed on the first hinge wing 21 and the second hinge wing 22, respectively.
- the first and second inclined plates 61 and 62 are interlocked by a first pressing means to be described later during the rotational movement of the first hinge wing 21 and the second hinge wing 22 to move the first and second hinges in the 'unfolded position'. 2
- the horizontal position coincides with the horizontal line of the main body (11, 12) and the 'folding position' to form a folding space between the first hinge wing 21 and the second hinge wing 22 It is installed so as to move between the inclination positions (refer to Fig. 15B) disposed inclined outward from the horizontal plane of the first main body 11 and the second main body 12, respectively.
- FIG. 14a and 14b show the installation configuration and operating state of the first and second inclined plates 61 and 62
- FIG. 14a is a cross-sectional view taken along line A-A of FIG. 4, showing the unfolded position, and FIG. 14b showing the folded position. will be.
- first and second inclined plates 61 and 62 are fixedly installed to the first and second hinge wings 21 and 22 with screws 64.
- Semicircular rotation support grooves 65a are formed in the first and second hinge wings 21 and 22 at the portions fixed with screws 64, and semicircular rotation support grooves 65a are formed in the first and second inclined plates 61 and 62.
- a protrusion 65b is formed so that the first and second swash plates 61 and 62 can rotate at a predetermined angle between the horizontal position and the inclined position around the semicircular rotation supporting projection 65b.
- the assembly hole 65c of the first and second hinge blades 21 and 22 through which the screw 64 passes is formed slightly longer in the direction of rotation of the first and second inclined plates 61 and 62 to It enables the 2 swash plates (61, 62) to guide the rotation of a predetermined angle.
- the first pressing means is elastically installed between the first and second hinge wings 21 and 22 and the first and second inclined plates 61 and 62 so that the first and second inclined plates 61 and 62 are always inclined.
- the first elastic member 63a which is provided in the housing 31 and presses one side of the first and second inclined plates 61 and 62, respectively, in the 'unfolded position' to maintain the horizontal position It consists of a first pressing protrusion 63b (see Figs. 8 and 15a).
- first and second hinge wings 21 and 22 are formed with inclined surfaces 63c for forming a folding space in a 'folded position'.
- the inclined surface 63c is formed to be inclined at a predetermined angle from the horizontal line corresponding to the inner surfaces of the first body 21 and the second body 22 to the outside, and the first and second inclined plates 61 and 62 are at an inclined position.
- a folding space is formed at a constant inclined position.
- the hinge device 14 of the present invention includes a lifting plate 70 disposed between first and second inclined plates 61 and 62 .
- the lifting plate 70 may be installed as one by connecting both symmetrical structures, or may be installed as two separate symmetrical structures.
- the lifting plate 70 is located on the tension fixing member 51 of the tension mechanism 50, and the screw 72 is on the bottom of the tension fixing member 51. It is installed by passing through and fastening to the lifting plate 70.
- the lifting plate 70 interlocks with the second swash plate 61 and 62 in the 'unfolded position' by a second pressing means described later.
- a folding space is formed between the first hinge wing 21 and the second hinge wing 22 at the rising position (see FIG. 17a) connecting between (61 and 62) on the same horizontal line and the 'folding position' It is configured to move between the lowered position (FIG. 17B).
- the second pressing means includes a second elastic member 75 that is elastically installed between the tension fixing member 51 and the screw 72 to provide elastic force so that the lifting plate 70 is always in a lowered position, and FIGS. 18A and 18B As shown in, it consists of second and third pressing protrusions 73 and 74 formed on the first and second tension wings 55 and 56 of the tension mechanism 50.
- the second elastic member 75 is compressed when the lift plate 70 is in the ascending position as shown in FIG. 17A, and is extended when the lift plate 70 is in the descending position as shown in FIG. 17B. This always gives an elastic force in the direction of moving to the lowered position.
- the second and third pressing protrusions 73 and 74 are disposed in the circumferential direction centered on the hinge axis, and the second pressing protrusion 73 is the first as shown in FIG. 18A.
- the third pressing protrusion 74 is configured to maintain the lifting plate 70 in the lowered position by pressing one side of the lifting plate 70 when the first and second tension blades 55 and 56 rotate to the folded position as shown in FIG. 18B do.
- the first hinge wing Since the inclined guide protrusion 43a of 21 moves in the direction of the arrow 'a1', the first hinge blade 21 can be interlocked.
- the first hinge wing Since the inclined guide protrusion 43a of 21 moves in the direction of the arrow 'b1', the first hinge blade 21 can be interlocked.
- the first and second inclined guide protrusions 43a and 43b are engaged with the first and second inclined guide grooves 44a and 44b formed in the slide member 41 to perform an oblique motion.
- the first and second hinge wings 21 and 22 formed with the first and second inclined guide protrusions 43a and 43b are formed up and down (a1, a1, 22) in a plan view. It moves in a straight line in the b1 direction and the a3 and b3 directions).
- first and second inclined guide grooves 43a and 43b are formed in a curved surface along the length, and the portion where the first and second inclined guide protrusions 43a and 43b are formed is also formed in a curved surface in the rotational direction, As a result, the first and second hinge blades 21 and 22 in which the first and second inclined guide grooves 43a and 43b are formed are rotated in a 'folded position' or 'unfolded position'.
- the pre-stop function is performed by the tension mechanism 50 when the rotational positions of the first and second main bodies 11 and 12 are between the 'expanded position' and the 'folded position' do.
- the tension guide projections 58b of the first and second tension blades 55 and 56 are the tension guide holes 58a of the first and second hinge blades 21 and 22. Since it is guided to, when the first and second hinge blades 21 and 22 rotate, the first and second tension blades 55 and 56 interlock and rotate together.
- the tension movable members 53 and 54 move along the first and second guide shafts 52a and 52b to compress the first and second springs 57a and 57b, so that the tension movable members 53 and 54 ) to the first and second tension blades 55 and 56, the elastic force of the first and second springs 57a and 57b is increased, and the increased elastic force causes the first and second bodies 11 and 12 to When stopping during rotation, it can perform a free stop function to keep it at the stop position.
- the hinge device 14 of the present invention when the first and second hinge wings 21 and 22 rotate between the 'unfolded position' and the 'folded position', the first and second inclined plates 61 and 62 and By interlocking the lifting plate 70, the folding portion P of the flexible display panel 13 maintains a horizontal state in the 'unfolded position' of the first and second bodies 11 and 12 as shown in FIG. 2A. Also, as shown in FIG. 2B, folding that can accommodate a predetermined radius of curvature (R) formed in the folding portion (P) of the display panel at the 'folded position' of the first and second bodies 11 and 12 space can be created.
- R radius of curvature
- the first and second swash plates 61 and 62 respond to the elastic force of the first elastic member 63a.
- one end of the first and second inclined plates 61 and 62 is in contact with the inclined surface 63c of the first and second hinge wings 21 and 22. ) is located on the first pressing protrusion 63b.
- the lifting plate 70 is in a lowered position by the elastic force of the second elastic member 75 as shown in FIG. 15B, and the first and second tension blades 55 and 56 of the tension mechanism 50 as shown in FIG. 16B
- the third pressing protrusion 74 provided in presses and maintains one side 70a of the lifting plate 70 .
- first and second bodies 11 and 12 When the first and second bodies 11 and 12 are rotated from the 'folded position' to the 'unfolded position', the first and second bodies 11 and 12 fixed to the first and second bodies 11 and 12, respectively, as shown in FIG. 13A.
- the second hinge wings 21 and 22 rotate together.
- the first and second swash plates 61 and 62 rotate as shown in FIG. 12A. It rotates around (65b) and moves to a horizontal position spaced apart from the inclined surface (63c), and the first elastic member (63a) is in a compressed state.
- the third pressing protrusion 74 is separated from the lifting plate 70 by the rotation of the first and second tension blades 55 and 56, and the second pressing protrusion ( Since 73) presses one side 70a of the lift plate 70 to move it from a lowered position to an elevated position, the second elastic member 75 is in a compressed state as shown in FIG. 15A.
- the first and second swash plates 61 and 62 are moved to the horizontal position and the lifting plate 70 is moved to the raised position, the first and second swash plates 61 and 62 are horizontal as shown in FIG. 15A. Since the position coincides with the horizontal plane of the first and second bodies 11 and 12, the folding portion P of the flexible display panel 13 can be maintained in a horizontal state (see FIG. 2A), and the lifting plate 70 Since the gap between the first and second inclined plates 61 and 62 is connected on the same horizontal line at this elevated position, the horizontal state of the foldable part P of the flexible display panel 13 can be continuously and reliably maintained. there is.
- first and second bodies 11 and 12 are rotated from the 'unfolded position' as described above to the 'folded position', they are fixed to the first and second bodies 11 and 12, respectively, as shown in FIG. 12B.
- the first and second hinge wings 21 and 22 are rotated together.
- the first and second swash plates 61 and 62 are given an elastic force to rotate in an inclined position by the compressed first elastic member 63a, the first and second swash plates 61 and 62 support rotation. It rotates around the protrusion 65b and moves to an inclined position in close contact with the inclined surface 63c.
- the second pressing protrusion 73 is spaced apart from the lifting plate 70 and the third pressing protrusion 73 presses one side 70a of the lifting plate 70. Simultaneously with the movement from the ascending position to the descending position, as shown in FIG. 15B, the elastic force of the compressed second elastic member 75 assists the descending movement of the ascending plate 70.
- the hinge device of the present invention folds the display panels attached to the first and second main bodies 11 and 12 in parallel while forming a predetermined radius of curvature at the folding portion P in the 'folding position'. (See Fig. 2b 'dumbbell shape').
- the hinge device 14 of the present invention maintains the folding portion P of the flexible display panel 13 in a horizontal state in the 'unfolded position' of the first and second main bodies 11 and 12, and
- the first body 11 and the second body It is possible to form the outer and inner sides in parallel with the inner side of 12) in contact, thereby simplifying the appearance of the portable terminal and eliminating the gap between the first and second main bodies 11 and 12 to prevent foreign matter from being carried. Contamination of the flexible display panel can be prevented.
- the display panel is folded into a dumbbell shape by maintaining a horizontal state in the 'unfolded position' and forming a folding space accommodating a predetermined radius of curvature (R) in the 'folded position'.
- interlocking means or tension mechanism of the above-described embodiment that can be combined with the configuration including the inclined plate or the elevation plate that allows the inside of the main body to contact and form the outside and the inside in parallel, various rotation support configurations , It can be applied in combination with an interlocking means or a tension mechanism.
- the hinge device of the present invention can be used in various devices to which a folding hinge structure is applied, such as a laptop computer, in addition to a portable terminal such as a mobile phone.
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
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- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Telephone Set Structure (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Description
Claims (8)
- 연동되어 상대운동하는 제1 본체와 제2 본체의 일끝단 사이에 위치하는 하우징;상기 제1 본체와 제2 본체에 각각 고정되고, 상기 하우징에 각각 회전지지되어 제1 본체와 제2 본체가 동일 수평선상에 놓이는 '펼침위치'와, 제1 본체와 제2 본체가 서로 마주하여 접하는 '접힘위치' 사이에서 소정각도 회전운동하는 제1 및 제2 힌지날개;상기 제1 힌지날개와 제2 힌지날개에 각각 설치되고, 상기 제1 힌지날개와 제2 힌지날개의 회전운동시 가압에 의해 연동하여, 상기 '펼침위치'에서 제1 본체 및 제2 본체의 수평선상과 일치하는 수평위치와 상기 '접힘위치'에서 제1 힌지날개와 제2 힌지날개 사이에 폴딩공간이 형성되도록 제1 본체와 제2 본체의 수평선상으로부터 각각 경사지게 배치되는 경사위치 사이에서 이동하는 제1 경사판 및 제2 경사판을 포함하여 이루어진 것을 특징으로 하는 힌지장치.
- 제 1 항에 있어서,상기 제1 경사판 및 제2 경사판은 제1 가압수단에 의해 연동하며,상기 제1 가압수단은,상기 제1 경사판 및 제2 경사판이 항상 상기 경사위치에 있도록 탄성력을 부여하는 제1 탄성부재와,상기 제1 힌지날개 및 제2 힌지날개가 상기 '펼침위치'로 회전할 때, 제1 경사판 및 제2 경사판을 각각 가압하여 제1 힌지날개 및 제2 힌지날개를 수평위치에서 유지되게 하는 제1 가압돌기로 이루어진 것을 특징으로 하는 힌지장치.
- 제 1항에 있어서,상기 제1 힌지날개 및 제2 힌지날개에는 회전지지홈이 형성되고, 상기 제1 경사판 및 제2 경사판에는 회전지지돌기가 형성되어 제1 및 제2 경사판이 회전지지돌기를 중심으로 수평위치와 경사위치 사이에서 소정각도 회전할 수 있도록 이루어진 것을 특징으로 하는 힌지장치.
- 제 3항에 있어서,상기 제1 경사판 및 제2 경사판과 결합되는 상기 제1 힌지날개 및 제2 힌지날개의 조립구멍은 제1 경사판 및 제2 경사판의 회전방향으로 약간 길게 형성하여 제1 경사판 및 제2 경사판이 소정각도 회전하는 것을 가이드하는 것을 특징으로 하는 힌지장치.
- 제 1 항에 있어서,상기 제1 힌지날개 및 제2 힌지날개에는 상기 제1 경사판 및 제2 경사판의 경사위치에서 제1 경사판 및 제2 경사판과 밀착할 수 있는 경사면이 형성되어 가압부재에 의해 항상 일정한 경사위치에서 폴딩공간을 형성하도록 된 것을 특징으로 하는 힌지장치.
- 제 1 항에 있어서,상기 하우징에 설치되어 제1 경사판 및 제2 경사판 사이의 폴딩공간에 위치하고,상기 제1 힌지날개와 제2 힌지날개의 회전운동시 가압에 의해 연동하여, 상기 펼침위치에서 상기 제1 경사판과 제2 경사판 사이를 동일 수평선상으로 연결하도록 상기 하우징으로부터 이격하는 상승위치와, 상기 접힘위치에서 제1 힌지날개와 제2 힌지날개 사이에 상기 폴딩공간이 형성되도록 상기 하우징에 근접하는 하강위치 사이에서 이동하는 승강판을 더 포함하여 이루어진 것을 특징으로 하는 힌지장치.
- 제 6 항에 있어서,상기 승강판은 제2 가압수단에 의해 연동하며,상기 제2 가압수단은,상기 승강판이 항상 상기 하강위치에 있도록 탄성력을 부여하는 제2 탄성부재와,상기 승강판을 가압하여 상승위치와 하강위치로 이동시키는 제2 및 제3 가압돌기로 이루어진 것을 특징으로 하는 힌지장치.
- 제 1항에 있어서,상기 제 1본체 및 제 2본체에 부착되는 디스플레이패널을 '접힘위치'에서 폴딩부에서는 소정의 곡률반경을 형성하면서 폴딩부 외에서는 평행하게 접히게 하는 것을 특징으로 하는 힌지장치.
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US18/293,791 US20240247683A1 (en) | 2021-08-24 | 2022-08-24 | Hinge device of foldable mobile device using flexible display panel |
CN202280056952.8A CN117859105A (zh) | 2021-08-24 | 2022-08-24 | 使用柔性显示面板的可折叠移动装置的铰链装置 |
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KR1020210111963A KR102579762B1 (ko) | 2021-08-24 | 2021-08-24 | 플렉서블 디스플레이패널을 이용한 폴딩식 휴대단말기의 힌지장치 |
KR10-2021-0111963 | 2021-08-24 |
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KR (2) | KR102579762B1 (ko) |
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US20190390703A1 (en) * | 2018-06-21 | 2019-12-26 | Jarllytec Co., Ltd | Hinge module for a foldable type device |
US20200103935A1 (en) * | 2018-09-27 | 2020-04-02 | Jarllytec Co.,Ltd. | Hinge module for a foldable type device |
KR20200054259A (ko) * | 2017-12-06 | 2020-05-19 | 항저우 암페놀 피닉스 텔레콤 파츠 컴퍼니 리미티드 | 내부로 벤딩 가능한 플렉서블 스크린 모바일 단말기의 힌지 및 내부로 벤딩 가능한 플렉서블 스크린 모바일 단말기 |
KR20210068880A (ko) * | 2019-12-02 | 2021-06-10 | 삼성전자주식회사 | 힌지 조립체를 포함하는 폴더블 전자 장치 |
CN113053238A (zh) * | 2019-12-27 | 2021-06-29 | 华为技术有限公司 | 一种柔性屏和可折叠设备 |
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KR20200125887A (ko) * | 2019-04-28 | 2020-11-05 | (주)에이유플렉스 | 폴더블 디바이스용 폴딩힌지 |
KR20210059445A (ko) * | 2019-11-15 | 2021-05-25 | 삼성전자주식회사 | 폴더블 전자 장치 |
-
2021
- 2021-08-24 KR KR1020210111963A patent/KR102579762B1/ko active IP Right Grant
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2022
- 2022-08-24 WO PCT/KR2022/012630 patent/WO2023027496A1/ko active Application Filing
- 2022-08-24 US US18/293,791 patent/US20240247683A1/en active Pending
- 2022-08-24 CN CN202280056952.8A patent/CN117859105A/zh active Pending
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Patent Citations (5)
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KR20200054259A (ko) * | 2017-12-06 | 2020-05-19 | 항저우 암페놀 피닉스 텔레콤 파츠 컴퍼니 리미티드 | 내부로 벤딩 가능한 플렉서블 스크린 모바일 단말기의 힌지 및 내부로 벤딩 가능한 플렉서블 스크린 모바일 단말기 |
US20190390703A1 (en) * | 2018-06-21 | 2019-12-26 | Jarllytec Co., Ltd | Hinge module for a foldable type device |
US20200103935A1 (en) * | 2018-09-27 | 2020-04-02 | Jarllytec Co.,Ltd. | Hinge module for a foldable type device |
KR20210068880A (ko) * | 2019-12-02 | 2021-06-10 | 삼성전자주식회사 | 힌지 조립체를 포함하는 폴더블 전자 장치 |
CN113053238A (zh) * | 2019-12-27 | 2021-06-29 | 华为技术有限公司 | 一种柔性屏和可折叠设备 |
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CN117859105A (zh) | 2024-04-09 |
US20240247683A1 (en) | 2024-07-25 |
KR20230042247A (ko) | 2023-03-28 |
KR20230029454A (ko) | 2023-03-03 |
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