KR101389442B1 - Flexible hinge device and flexible hinge device with flexible display devices - Google Patents

Flexible hinge device and flexible hinge device with flexible display devices Download PDF

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Publication number
KR101389442B1
KR101389442B1 KR1020130000592A KR20130000592A KR101389442B1 KR 101389442 B1 KR101389442 B1 KR 101389442B1 KR 1020130000592 A KR1020130000592 A KR 1020130000592A KR 20130000592 A KR20130000592 A KR 20130000592A KR 101389442 B1 KR101389442 B1 KR 101389442B1
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KR
South Korea
Prior art keywords
hinge
flexible display
flexible
flat
bending
Prior art date
Application number
KR1020130000592A
Other languages
Korean (ko)
Other versions
KR20140049911A (en
Inventor
이유구
노기창
Original Assignee
이유구
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Priority to KR1020120116014 priority Critical
Priority to KR20120116014 priority
Application filed by 이유구 filed Critical 이유구
Publication of KR20140049911A publication Critical patent/KR20140049911A/en
Application granted granted Critical
Publication of KR101389442B1 publication Critical patent/KR101389442B1/en

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00Show cases or show cabinets
    • A47F3/04Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404Cases or cabinets of the closed type
    • A47F3/0408Cases or cabinets of the closed type with forced air circulation
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00Show cases or show cabinets
    • A47F3/04Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0478Control or safety arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067Evaporator fan units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/10Sensors measuring the temperature of the evaporator

Abstract

The present invention relates to a flexible hinge device and a flexible display device having the same, the flexible display;
A hinge device for maintaining the flexible display in a flat state or a curved state, the both ends are assembled in a straight section except the bending section of the flexible display, the middle portion is made of a straight length corresponding to the bending section of the flexible display And characterized by consisting of the shape holding means having an elastic force to maintain a flat state with the flexible display, and flexibility that can be bent freely in the inner or outer direction.
According to the present invention, the flexible display can be folded and used to maintain a flat or constant angle by the curved holding member, and after use, it can be folded or stored in a small size.
In addition, it can be used in various forms, such as tablet PCs, while spreading and maintaining a flat state by a flat holding hinge member. The shape can be freely transformed to maintain a certain angle, and can be used in various forms. Will be effective.
In addition, when applied in various forms to general monitors, PC monitors, TVs, as well as portable mobile device products such as smart phones and tablet PCs, portability and storage becomes more convenient, and related to flexible display devices having various conveniences The present invention can exhibit a variety of effects, such as to be able to design a product to provide a consumer with a flexible display device having a variety of expansion functions.

Description

Flexible hinge device and flexible display device having the same {Flexible hinge device and flexible hinge device with flexible display devices}

The present invention is convenient to fold the flexible display to be stored or carried and carried, and when used, it is to be used in a flat spread or to maintain a constant bending angle, and use the flexible display so that it can stand and use as needed as needed The present invention relates to a flexible hinge device and a flexible display device having the same.

Most conventional display hinge devices are configured to swivel the display on which the screen contents are displayed up, down, left, or right with respect to the main body of the product, or to implement a tilt function in the front and rear directions.

Accordingly, the display hinge device of the related art cannot be applied to a flexible display (organic EL device) that has been recently developed and commercialized.

In other words, the flexible display that is currently developed and commercialized is flexible because it is made of a multilayer film.

Therefore, the flexible display can be flexibly displayed and the display content of the screen can be clearly displayed, so it will be applied to various general monitors and PC monitors and TVs as well as portable mobile device products such as smartphones and tablet PCs. .

In particular, in order to apply to a portable mobile device, a plan for configuring a product to be convenient to carry around by reducing the size of the flexible display to a suitable size while using it in a flat state has been sought.

However, the hinge device for display until now is a configuration for maintaining a flexible display bent freely in a flat form, or a hinge device for keeping the folded state to be folded or reduced to a certain size to store or carry. It is not developed.

Therefore, although there are many possibilities to apply to various products, since there is no hinge device corresponding thereto, there is a big problem that the flexible display, which is spotlighted as the next generation display, cannot be commercialized and manufactured by applying to various display products.

On the other hand, the flexible display developed so far can be folded at a minimum curvature within a range in which the display screen is not distorted, but it is a form that cannot be folded flat because it is folded at a right angle like a paper.

And, since the flexible display is made of a multilayer film form, it must be folded to a curvature that can be bent to a minimum according to the elongation of the film material itself.

However, when the flexible display is folded with a small curvature, the elastic restoring force is increased to the contrary, and thus is unfolded. Therefore, a configuration for maintaining the folded state of the flexible display must be accompanied.

On the contrary, since the flexible display can be bent freely even when it is flat, the flexible display can be kept flat even when held by hand or placed on a flat surface or curved surface. It should also be accompanied by a system.

On the other hand, the flexible display is a hinge device having a mechanical configuration that can maintain the deformed state after deforming the flexible display to a certain form so that it can be used as a stand type by deforming at a predetermined angle in a flat state according to the use form Although required, there is no configuration for maintaining the flexible display in a constant form.

Therefore, there is an urgent need for the development of a portable flexible display device having such a flexible hinge device together with a flexible hinge device that can apply the next-generation flexible display to more various display products.

An object of the present invention is to provide a flexible hinge device that can be maintained in a flat form or a curved form so that the flexible display can be conveniently used while folding or storing.

In addition, another object of the present invention is to use the flexible display unfolded in a flat or folded state at a certain angle to selectively use the screen division function or one screen, and to stand the flexible display itself as needed It is to provide a flexible hinge device that can be transformed to a flexible display at an angle so that it can be used in the form.

In addition, another object of the present invention is to provide a flexible display device having a flexible hinge device that can be applied to various types of monitors, TVs or portable mobile devices through the overall slimming of the hinge device for a flexible display.

Other objects not mentioned for the purpose of the present invention will be apparent to those skilled in the art from the following description.

Flexible hinge device according to the present invention is a flexible display; A hinge device for maintaining the flexible display in a flat state or a curved state, the both ends are assembled in a straight section except the bending section of the flexible display, the middle portion is made of a straight length corresponding to the bending section of the flexible display In addition, the flexible display is characterized by consisting of a shape holding means having an elastic force to maintain a planar state, and flexibility that can be bent freely in the inner or outer direction.

According to one aspect of the present invention, the shape holding means has elastic restoring force in a linear direction to maintain the flexible display as a whole in a flat state, and an intermediate portion thereof may be made of a plate-shaped flat holding hinge member having flexibility. .

According to another feature of the present invention, the shape maintaining means may include a curved holding hinge member having a flexible connection structure for maintaining a circular shape having a predetermined size in the bending section of the flexible display.

According to still another aspect of the present invention, the shape holding means has elastic restoring force in a linear direction for maintaining the flat state of the flexible display as a whole, and its middle portion includes a plate-like flat holding hinge member having flexibility; A curved holding hinge member having a flexible connection structure for maintaining a circular shape in a bending section of the flexible display, wherein the flat holding hinge member and the curved holding hinge member are arranged in parallel to each other May be assembled in a straight section excluding the bending section of the flexible display.

According to still another aspect of the present invention, a pair of thin support frames are assembled on the rear surface of the flexible display to support the edges of the flexible display to maintain the flat state while surrounding the entire area except the bending section; It is provided, and both ends of the shape maintaining means can be configured to be fixed to each inner end of the support frame.

According to still another aspect of the present invention, the flat holding hinge member is for maintaining a flexible display in a flat state, and is made of a thin plate made of a thin metal plate and having an elastic and flexible plate spring; Both ends of the leaf spring are assembled to the rear surface at positions other than the bending section of the flexible display; The middle part may have a straight length corresponding to the bending period of the flexible display.

According to another feature of the invention the leaf spring is convex to the outside may be made so that the inner surface is curved in the longitudinal direction, one side or both edges of the bending section of the leaf spring is formed with a concave groove for the bending action While increasing the solubility, the bending section portion may be configured to be bent in a uniform curvature, the concave groove portion is preferably made of a round shape.

According to another feature of the present invention, the curved holding hinge member is for maintaining a curved state of the bending section of the flexible display, the hinge boss having a hinge hole in one side in the middle portion having a length corresponding to the bending section Is formed protruding, the other side is provided with a plurality of connecting links each formed with a hinge groove having a hinge hole, these connecting links are coupled to each other by a hinge pin after the hinge boss is fitted to the hinge groove; A pair of fixed links formed at both ends of the joint link, the hinge bosses and the hinge recesses being formed at inner side surfaces thereof and hinged together by hinge pins; Is provided, the outer end of the fixed link may be assembled on the rear side in the remaining position except the bending section of the flexible display.

According to still another feature of the present invention, each of the hinge links of the articulated link and the fixed link has the flexible display maintained in a flat state, or bent inward or outward in a planar state to be folded in half, or to maintain a constant angle. Angle adjustment member may be further provided.

According to another aspect of the present invention, the angle adjusting member includes: a plurality of angle setting grooves adjacent to a hinge hole of the hinge boss and radially arranged around the hinge point; It is mounted in the assembly hole formed adjacent to the hinge hole portion hinge hole provided in the other link link and the fixed link to communicate with the angle setting groove, the inner end thereof is elastically fitted into the angle setting groove, the outer end is the hinge The stopper is assembled to contact the head portion of the pin to prevent the departure from the outside.

According to another feature of the present invention, the stopper is made of a ball flanger or pogo pin that is made out of spherical or hemispherical and outwardly shot, each outer end is supported on the inner side of the head of the hinge pin to prevent separation Can be.

According to another feature of the invention the angle setting groove is a flat setting groove to maintain the flexible display unfolded in a flat form; And a folding angle setting groove for maintaining the bent state in half.

According to still another aspect of the present invention, the angle setting groove may include an acute angle setting groove configured to bend the display screen of the flexible display in a flat state inwardly between the flat angle setting groove and the folding angle setting groove section to maintain the angle within an acute range; An obtuse angle setting groove may be further formed to bend the display screen of the flexible display to the outside so as to be maintained within the obtuse range.

According to another aspect of the present invention, the angle adjusting member includes: a locking protrusion formed on both sides of the hinge groove; The hinge boss may be formed to be pulled from both sides of the hinge boss, and may be formed of a plurality of locking grooves that selectively hang with the locking protrusion according to the bending degree to limit the bending or spreading angle of the flexible display.

According to another feature of the invention the flexible display includes a flat mode to maintain the unfolded state in a flat form by the angle adjusting member; And to be folded into a folding angle mode for maintaining a bent state in half.

According to another feature of the present invention, the flexible display is an acute angle mode to bend the display screen of the flexible display in a planar state between the flat mode and the folding angle mode section by the angle adjustment member to maintain within the acute angle range Wow; The display screen of the flexible display may be deformed to an obtuse mode to bend outward to maintain the display screen within an obtuse range.

According to another feature of the present invention, in the process of bending the flexible display inwards or outwards or flattening the flexible display in the connecting portion of the flexible display or the support frame and the shape holding means, the flat holding hinge member and the curved holding hinge member are It is to be pulled inward with respect to the support frame, the outer end and one side end of the shape holding means is assembled, the other end is assembled with the movable plate formed with a long hole-shaped guide hole, overlapping the movable plate A slide member made of a fixing plate having a guide pin fitted into the guide hole may be further provided.

According to still another aspect of the present invention, an outer end of the curved holding hinge member is assembled at the center of the inner end portion of the movable plate, and a pair of the flat holding hinge members are disposed at both sides of the curved holding hinge member, and the outer end thereof is disposed. Are respectively inserted into the movable plate and fixed to each other, and an assembly groove which is assembled with an assembly protrusion formed on the support frame is formed at the center of the outer end of the movable plate, and a pair of guide holes are formed on both sides of the assembly groove. The fixing plate inner end may be formed with a pin hole for assembling the guide pins at positions corresponding to the guide holes, respectively.

According to still another feature of the present invention, the flat holding hinge member may be configured such that an outer end thereof is fixedly inserted into the movable plate.

According to another feature of the present invention, the planar hinge member is formed in a pair, and both end portions thereof are connected to each other by a connecting portion, which is integrally formed, and the connecting portion may be configured to be fixedly inserted into the movable plate.

According to still another feature of the present invention, the curved surface holding member is positioned between the flat holding member, and both ends thereof are assembled and fixed to the movable plate.

According to another feature of the present invention may be further provided with a protective case surrounding the entire back of the flexible display.

According to still another feature of the present invention, one end of the protective case may further include fixing means for preventing the outer end from being opened when the flexible display is folded in half.

According to another aspect of the present invention, the fixing means includes: a flexible fastener extending from an edge of the protective case and having a fastening protrusion at an end thereof; And a fastening groove formed at the other side edge of the rear surface of the protective case corresponding to the fastening piece.

According to another feature of the present invention, the fixing means may be made of a slide fastener provided with an outer size of the protective case larger than an outer size of the flexible display and locked to an outer edge starting from the bending section at its edge.

According to another feature of the invention the protective case may be further provided with a protective case consisting of a flat closing portion surrounding the flat section of the flexible display and a flexible closing portion surrounding the shape maintaining means.

According to another feature of the present invention, the flexible finishing part may be formed of a rear finishing part and a side finishing part.

According to another feature of the invention the protective case may be made of synthetic resin, or may be made of a fabric capable of high frequency or ultrasonic welding.

According to still another feature of the present invention, one side of the protective case may further include a second screen display element having a size equal to the area of the plane section or having a size 1/2 of the size of the flexible display screen.

As described above, according to the present invention, the flexible display can be folded and used to maintain a flat or constant angle by the curved holding member, and after use, the flexible display can be folded and stored or carried in a small size.

In addition, it can be used in various forms, such as tablet PCs, while spreading and maintaining a flat state by a flat holding hinge member. The shape can be freely transformed to maintain a certain angle, and can be used in various forms. Will be effective.

Accordingly, when a general monitor, a PC monitor, a TV, or a smartphone is applied in various forms to a portable mobile device such as a tablet PC, the portability and storage are more convenient, and the display-related product design has various conveniences. The present invention can exhibit various effects, such as to provide a consumer with a flexible display device having various expansion functions.

1 (a) to (c) are conceptual views for explaining the configuration of the shape holding means of the flexible hinge device according to the present invention.
Figure 2 (a) to (d) is a perspective view and a plan view showing a schematic configuration of the planar holding hinge member of the flexible hinge device according to the present invention.
3 (a) to (c) are a plan view and a front view showing a schematic configuration of a curved holding member of the flexible hinge device of the present invention.
Figure 4 (a) and (b) is a plan view showing a combination of the planar and curved holding hinge member of the flexible hinge device of the present invention.
5 (a) to (c) are a plan view and a front view showing a schematic configuration of the support frame and the protective case of the flexible hinge device of the present invention.
Figure 6 (a) to (c) is a perspective view and exploded perspective view showing the configuration of the curved holding member and the angle holding member of the flexible hinge device of the present invention.
Figure 7 (a) to (c) is a perspective view and a front sectional view for explaining the combined configuration of the support frame and the combined configuration of the flat and curved holding hinge member of the flexible hinge device of the present invention.
8 (a), (b) is a perspective view and a front view showing the bending state of the curved surface holding member according to the present invention.
9 is an exploded perspective view showing the configuration of the flat and curved holding hinge member and the support frame and the slide member according to the present invention.
Figure 10 (a), (b) is an exploded perspective view of a flat holding state showing the configuration of a flexible display device to which the flexible hinge device according to the present invention is applied.
Figure 11 is an exploded perspective view of a curved holding state showing the configuration of a flexible display device to which a flexible hinge device according to the present invention is applied.
12 and 13 (a) and (b) are front views of a curved or flat holding state of the flexible display device to which the flexible hinge device according to the present invention is applied.
Figure 14 (a), (b) is a perspective view and a front view showing a deformation state of the flexible hinge device according to the present invention in an acute angle mode.
15 (a), (b) is a perspective view and a front view showing a state in which the flexible hinge device according to the present invention is deformed in an obtuse mode
Figure 16 (a) to (c) is a front view showing a state in which the flexible hinge device according to the invention slides to expose the operation unit in a state folded in half.
Figure 17 (a) to (d) is an enlarged front view of the main portion showing the restriction groove and the restriction projection for the flat and curved maintenance of the flexible hinge device of the present invention.
18 (a) to (d) are front views of a planar and curved holding state showing another embodiment of the angle holding member of the flexible hinge device according to the present invention.
Figure 19 (a) to (c) is a perspective view and a front view of the folded and unfolded state as an embodiment of a flexible display device having a flexible hinge device according to the present invention.
20 (a) to 20 (c) are perspective views and a front view of a folded and unfolded state as another embodiment of a flexible display device having a flexible hinge device according to the present invention.

Hereinafter, a flexible hinge device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In this embodiment, a flexible hinge device applied to a display device such as a tablet PC will be described as an example. The present invention is not limited to this and can be applied to various types of display devices (TV, monitor, smart phone, etc.), of course.

1 (a) to (c) are conceptual views for explaining the configuration of the shape holding means of the flexible hinge device according to the present invention, Figure 2 (a) to (d) is a planar maintenance of the flexible hinge device according to the present invention Fig. 3 (a) to (c) are a plan view and a front view showing a schematic configuration of the curved holding hinge member of the flexible hinge device of the present invention, Figures 4 (a) and ( b) is a plan view showing a combination of a flat and curved holding hinge member of the flexible hinge device of the present invention, Figure 5 (a), (b) is a support frame and protective case 600 of the flexible hinge device of the present invention Top and front views showing the schematic configuration.

The flexible hinge device 100 according to the present invention is configured to maintain the flexible display 10 in a flat state or a curved state.

That is, the flexible display 10 is an organic electroluminescent panel (organic electroluminescence panel), which is currently being developed and commercialized, for example, a flexible display 10 element called 'AMOLED' has been disclosed. .

The flexible display 10 is made of a multi-layer film, and the configuration of the touch panel (not shown) may be further applied to the surface according to the product application specification, depending on the screen size, TV, general monitor as well as PC It can be applied to monitors, smartphones and tablet PCs.

Accordingly, the present invention provides a flexible hinge device 100 to be used to bend the flexible display 10 having a characteristic of freely bent as described above in a one-way two-dimensional curved state or unfolded in a planar state It is to.

1 to 5, the flexible hinge device 100 according to the present invention includes the flexible display 10 as described above.

In the present embodiment, the flexible display 10 will be referred to as a bending section C, and a section not bending at both sides of the bending section C will be described as a flat section F. FIG.

It is the most characteristic configuration of the present invention to have the shape holding means 100 for maintaining the flexible display 10 having such characteristics in a planar state or a curved state.

The shape maintaining means 100 is configured to be applied to the flexible display 10 having a mainly slim shape, and is formed in a flat shape having a slim thickness and a predetermined width so as to correspond to the flexible display 10 having a flat surface. Both sides are formed with a fixing portion 101 that can be assembled on the back of the flexible display (10).

In addition, the shape maintaining means 100 is mounted on the back of the flexible display 10 by the fixing part 101, for this purpose to bend the flexible display 10 to a certain curvature to maintain the state The middle part has a straight length corresponding to the bending section of the flexible display 10, and the fixing parts 101 are assembled to each of the straight sections except the bending section.

As described above, the fixing part 101 may be directly assembled and fixed to the rear surface of the flexible display 10, and assembled and fixed to the support frame 20 assembled to the flat section of the rear surface of the flexible display 10 as described below. It may be, a protective case 600 described below to the outside of the support frame 20 may be further provided and assembled.

It is preferable to have a flexible material or structure in the bending section of the protective case 600, this configuration can be configured in a variety of forms according to the product form of the flexible display device (900).

In addition, the shape maintaining means 100, with the flexible display 10 is characterized in that it has an elastic force to maintain a flat state, and the flexibility that can be bent freely in the inner or outer direction Element.

In addition, since the flexible display 10 cannot maintain its own shape, a configuration for maintaining a constant shape must be accompanied.

For example, a separate mechanical configuration for maintaining the flexible display 10 in a flat form or maintaining a curved shape of a certain shape is followed.

 As such, the shape maintaining means 100 according to the present invention is configured to maintain the flexible display 10 in any one of a flat state or a curved state or to repeatedly deform the curved state and the flat state.

That is, according to one feature of the present invention, the shape maintaining means 100 has an elastic force for maintaining the flexible display 10 as shown in FIG. 1 in a flat state and additionally a bending section of the flexible display 10. Correspondingly, it may be made of a flat maintenance hinge member 200 having flexibility at the same time.

As shown in FIG. 2, the flexible display 10 may be flexibly freely bent inward or outward to a curved holding member 300 including a bending angle maintaining configuration to maintain a constant curved shape. 3, the flat holding hinge member 200 and the curved holding hinge member 300 may be combined.

For reference, the bending section or the bending angle of the flexible display 10 refers to an area where the folded portion can be bent at a predetermined curvature (radius value) and the degree or bending state when the flexible display 10 is folded in half. In particular, the bending angle refers to the degree of curvature of the radius value is small or large curvature.

Therefore, in particular, the flat holding member 200 has an elastic force to maintain its shape in a linear direction, so when the flexible display 10 is in a flat state, the flexible display 10 does not bend itself in an inward or outward direction. Plays an important role in maintaining

In addition, the bending section portion of the flat-holding hinge member 200 is configured to have flexibility in response to the bending section when the flexible display 10 is folded or deformed by artificially bending the flexible display 10 together with the curved hinge member.

As described above, the flexible hinge device of the present invention configured as the shape holding means 100 constituted by the flat holding hinge member 200 and the curved holding hinge member 300 can be applied to various display related products.

For example, when applied to a tablet PC having a display screen of medium and small size, when the flexible hinge device is applied to the middle portion of the flexible display 10 as shown in FIGS. 19 and 20 to be described later, the tablet PC is folded in half. It is easy to carry or store because it can be shrunk.

In addition, when the flat screen is used, all the screens of the flexible display 10 can be used, and when folded at an acute angle (45 degrees or 60 degrees) in half or an obtuse angle (135 degrees), the screen is divided in a stand shape. It is possible to implement a new type of tablet PC that can be used by applying the tablet PC screen in various forms.

In particular, as shown in FIGS. 19 and 20, when the tablet PC is fully folded in half and the second screen display device 900 is provided on one side thereof, the smartphone is used by using the second display screen. It can be used as a form, and when deployed, it is possible to implement a mobile device product having various amplifications that can be used as a tablet PC.

In addition, when the flexible hinge device of the present invention is applied to a TV or a monitor to which the flexible display 10 is applied, the flexible hinge device is disposed at the center or one third point of the display screen of the flexible display 10 having a wide shape. It is applicable.

According to this configuration, it is necessary to fold up the TV or monitor when not in use to utilize the space, and when it is folded at a certain angle, it is possible to transform the display into various types of screens by using the screen division. Could be implemented.

In addition, when applied to a product such as a tablet PC or a laptop, the flexible display 10 is used as a tablet pad or a PC monitor, and one screen is used as a keypad and the other screen is used as a display screen while being folded at a predetermined angle. I can do it.

In addition, when sensing the folding or unfolding state of the flexible hinge device or applying a gyro sensor or the like to change the screen direction of the flexible display 10 device, the folding state and the unfolding state may be changed according to the changing direction of the flexible display 10. A flexible display device 900 having a new type of user interface (UI) may be implemented to automatically convert and use a suitable display screen.

As such, the shape maintaining means 100 of the present invention can be positioned as a core technology that can be provided to users by designing a product to which the flexible display 10 of a different form that has not been seen until now is provided.

The planar holding hinge member 200 and the curved surface holding hinge member 300 of the present invention having various advantages as described above may be configured in various forms as follows.

First, the planar hinge member 200 has elastic restoring force in a linear direction to maintain the flexible display 10 as a whole in a flat state, and an intermediate portion thereof may have a plate shape having flexibility.

By mounting the flat-holding member 200 to the flexible display 10 alone, the flexible display 10 can be bent or unfolded. For reference, the flat-holding member 200 is shown in FIGS. 19 and 20. As can be configured so as not to be opened by the fixing means 700 made of a zipper or flexible fastening piece 710.

The curved surface holding member 300 is configured to have a flexible connection structure for maintaining a circular shape having a predetermined size in the bending section of the flexible display 10.

When the curved surface retaining member 300 is mounted on the flexible display 10 alone, the flexible display 10 may be bent or unfolded. For reference, as shown in FIG. By using the angle adjustment holding member of the same chain connection structure can be configured not to be opened by maintaining the curved holding member 300 itself by itself without the fixing means (700).

In addition, the plane holding hinge member 200 and the curved surface holding member 300 may be arranged in parallel with each other, as shown in Figs.

A pair of planar holding members 200 may be provided to maintain a space therebetween, and the curved display hinge members 300 may be disposed therebetween to stably or flexibly deform the flexible display 10. have.

On the contrary, the planar holding hinge member 200 may be disposed in the center and the curved holding hinge member 300 may be disposed on both sides thereof, and the parallel arrangement form and the number thereof may be arranged in the flexible display apparatus 900. Of course, this may vary depending on the screen size and the warpage area (C) area.

It is preferable that a flexible cable for circuit connection or the like is configured to pass through by configuring the passage 102 between the plane holding hinge member 200 and the curved surface holding hinge member 300 in the flexural section.

Both ends of the flat holding member 200 and the curved holding member 300 having the above configuration are assembled in a straight section excluding the bending section of the flexible display 10.

In addition, according to another feature of the present invention, the thickness of the flexible display 10 is assembled to the rear surface to maintain the flat state by supporting the edge while surrounding the entire area except the bending section of the flexible display 10 A pair of thin support frame 20; is further provided, the fixing portion 101 of the planar holding member 200 and the curved surface holding member 300 is assembled at each inner end of the support frame 20 Can be configured.

As such, the support frame 20 is assembled to the rear surface of the planar section of the flexible display 10 so that the flexible display 10 can be used more conveniently and stably when folded or unfolded. Detailed description thereof will be given later.

The support frame 20 may be made of metal or synthetic resin and may be made of a lightweight aluminum alloy. In this case, the support frame 20 may be formed by die casting, or may be formed by machining the support frame 20 by an automatic machine such as NC can do.

Although not shown in detail in the drawing, the support frame 20 may be provided with a battery mounting part and the like in the case of various circuit boards and portable display products for implementing the flexible display device 900 on one side. It can be formed by drawing in from its surface.

In addition, when a smart phone capable of wireless communication is implemented together, various wireless communication modules can be appropriately disposed and mounted on the support frame 20.

In addition, according to another feature of the present invention, the flat holding member 200 is for keeping the flexible display 10 in a flat state, and the thickness thereof is as shown in FIGS. It is made of a thin spring plate made of a leaf spring 201 having elasticity and flexibility; Both ends of the leaf spring 201 are assembled to the rear surface at positions other than the bending section of the flexible display 10; The middle part may have a straight length corresponding to the bending period of the flexible display 10.

The material of the leaf spring 201 may be made of a metal material, and may be made of synthetic resin or rubber material having elasticity.

In the case of a metal material, it may be configured by applying heat treatment after applying heat treatment to a metal plate or applying spring steel, and may be configured by plating to prevent oxidation of the surface, and the plate spring 201 is made of stainless steel. Of course you can.

In addition, when the leaf spring 201 is composed of a synthetic resin, it is preferable that the elastic force to be restored to a straight form after the injection molding and the elasticity is good and made of a tough material, for example, PE or PP, and the rubber material is used. It is preferable to use a material having good elasticity and excellent resilience, such as Viton, and of course, it can also be made of a silicone material having an appropriate viscosity to ensure elastic force for plane maintenance.

In the case of the leaf spring 201 made of synthetic resin or rubber silicone, it is of course also possible to insert a metal material in the form of a plate or wire having elastic force therein to be molded together.

According to another aspect of the present invention, the leaf spring 201 may be convex outward so that its inner surface is curved in the longitudinal direction.

According to such a configuration, the function of maintaining the linear state can be made more effective than the state in which the leaf spring 201 is maintained in a general planar state.

The concave grooves 202 are formed on both sides of the bent portion of the plate spring 201 when the plate spring 201 is bent in a straight line shape. A phenomenon occurs in which the edge is folded at right angles and protrudes sideways, so that interference may occur when bending operation is performed with other parts adjacent to the leaf spring 201.

At this time, by forming the concave groove portion 202 as long as protruding to both sides, the plate spring is bent during the bending operation, so that both sides do not protrude, so that the flexion section is bent at a uniform curvature while increasing flexibility for the bending action. It is configured to be built.

The concave groove 202 may be formed in various shapes, but in the present embodiment, the concave groove 202 may be formed in a round shape as shown in FIGS. 2 (c) and 2 (d), and may be formed on one side or both sides. .

One such leaf spring 201 may be installed in a small size in the bending section (C) according to the screen size of the flexible display 10, in the case of a large screen may be installed in pairs at intervals. . And, as shown in Figure 2 (b) a pair of leaf springs 201 are connected to each other by a connecting portion 203, such a connecting portion 203 can be assembled simply assembled or inserted into the inner end of the support frame 20. have.

In the case of insert assembly, both end portions of the plate spring 201 and the connecting portion 203 are assembled so as to be drawn in. In the case of injection molding, the plate spring 201 may be inserted into a mold to integrally constitute the insert.

Meanwhile, according to another feature of the present invention, the curved holding hinge member 300 may have the flexible display 10 as shown in FIGS. 3A to 6C and FIGS. 6A to 6C. This is to keep the bending section of the curved surface, and the unit link similar to the chain is connected by a pin and is configured in a continuous form.

That is, the overall length is made to have a length corresponding to the bending section of the flexible display 10.

A hinge boss 302 having a hinge hole 301 is protruded at one side of the middle portion and a plurality of connection links 310 having a hinge groove 304 having a hinge hole 303 at the other side Respectively.

The connecting links 310 are the hinge boss 302 is fitted to the hinge groove 304 and then hinged to each other by a hinge pin 320 is joined to the joint link 330 of the assembly type having a length corresponding to the bending section. By being configured, the joint link 330 can be flexed or unfolded freely with the flexible display 10.

The hinge bosses 302 and the hinge grooves 304 are formed on the inner side surfaces of the joint links 330 at both ends of the joint links 330. The hinge bosses 302 and the hinge grooves 304 are hinge- ; .

The outer end of the fixing link 340 may be assembled on the rear surface at the remaining position except the bending section of the flexible display 10, preferably assembled to the support frame 20 as described below Can be.

As shown in FIG. 10 (b), a seating part 22 is formed at the inner end of the support frame 20 to receive and assemble the fixing part 101 of the shape maintaining means 100, and the seating part 22 is formed. ) Is formed with an assembly protrusion 21 for preventing the shape holding means 100 is separated.

That is, at the outer end portions of the flat holding member 200 and the curved holding member, an assembling groove 341 is formed to be fitted to the assembling protrusion 21 so that the assembly of the shape holding means 100 is supported by the assembly thereof. Being assembled to 20, the support frame 20 forms a flat section (F) and the shape maintaining means 100 forms a bending section (C).

The above-mentioned fixing link 340 is to be a fixing portion 101 of the shape holding means 100, the support frame 20 is formed in the shape corresponding to the assembly groove 341 in the center of the fixing link 340 The assembly protrusion 21 and the assembly groove 341 are coupled to the seating portion 22 of the) to constitute one flexible hinge device.

Accordingly, the flexible display 10 can be configured to support one of the flexible display device 900 by being supported and fixed to the support frame 20 to be able to fold or unfold the flexible display 10 in half. will be.

On the other hand, according to another feature of the present invention, the flexible display 10 is maintained in a flat state or bent inward or outward in each hinge portion of the joint link 330 and the fixed link 340 Fold in half or is further provided with an angle adjusting member 400 for maintaining a constant angle.

The angle adjusting member 400 may be configured in various forms, but in the present embodiment, the angle adjusting member 400 is provided at a contact portion between the connection link 310 of the curved holding member 300, that is, at a rotation hinge point of the connection link 310. By limiting the angle of rotation based on the hinge point, the plurality of connection links 310 are bent at a certain angle, the articulation link 330 is configured to be bent while having an overall uniform curvature, such an angle adjusting member 400 is It is one of the important structures in this invention flexible hinge apparatus.

The angle adjusting member 400 is set to a plurality of angles arranged radially around the hinge point adjacent to the hinge hole 301 of the hinge boss 302 as shown in Figure 6 (b) and 6 (c) Grooves 410 are formed.

And is attached to an assembly hole 420 formed adjacent to the hinge hole 301 of the hinge groove 304 provided in the connection link 310 and the fixed link 340 to communicate with the angle setting groove 410. [ A stopper 430 whose inner end is resiliently fitted in the angle setting groove 410 and whose outer end is assembled to be in contact with the head portion 321 of the hinge pin 320 and prevented from being released outward; ≪ / RTI >

The stopper 430 may be made of a ball flanger or pogo pin that is made out of spherical or semi-spherical shape as shown in Fig. 6 (c) and outwardly spun outward, and is slightly protruded to the outside after being fitted into the angle setting groove 410 The end is configured to be supported on the inner surface of the head portion 321 after the hinge pin 320 is fitted so that the stopper 430 is prevented from being separated outward.

The configuration of the ball plunger or pogo pin is such that the ball 31 which is inserted into the angle setting groove 410 from the end and the coil spring 432 which outwardly exits the engagement ball 431 and the coil spring 432 And a pin 433.

The angle setting groove 410 may include a flat setting groove 411 for maintaining the flexible display 10 in a flat state as shown in FIGS. 17A to 17D; And a folding angle setting groove 412 for maintaining a bent state in half.

Here, the flat angle setting grooves 411 are for maintaining the unfolded state of the flexible display 10 at an angle of 180 degrees, as shown in FIGS. 13A and 13B, and the folding angle setting grooves 412 are shown in FIG. As shown in b), the display is folded in half so that the outer ends thereof come into contact with each other to maintain the overlapped state, wherein the bending section C is bent at a constant curvature.

In addition, when the flexible display 10 is not grounded in half, a plurality of angle setting grooves 410 are formed in a radial track around which the connection link 310 is rotated around the hinge pin 320, thereby forming FIGS. 8, 14 and It can be bent while maintaining a constant curvature as shown in Figure 15, the stopper 430 in the angle setting groove 410 end (locking ball; 431) is inserted into the angle setting groove 410 to maintain the bent state Will be.

Then, the second screen is provided outside the protective case 600 by exposing the operation unit K provided on one side of the flexible display 10 by sliding the horizontally as described below in the curved state as shown in FIG. The display device 800 may implement a function such as a smartphone.

According to yet another aspect of the present invention, the angle setting groove 410 has a display screen of the flexible display 10 in a flat state between the flat setting groove 411 and the folding angle setting groove 412. An acute angle setting groove 413 to be bent to maintain within the acute angle range; The display screen of the flexible display 10 may be further formed by forming an obtuse angle setting groove 414 to be bent outward to maintain the display screen.

14 (a) and 14 (b), when the flexible display 10 is folded inward in a flat state, the angle at which the user is easy to see the contents of the display screen within an acute angle range, for example, 30 degrees, By setting the flexible display 10 at various angles at 45 degrees or 60 degrees, the flexible display device 900 may be configured in a new design form so that the flexible display apparatus 900 can be used in a state suitable for the angle.

15A and 15B, when the flexible display 10 is folded outward in a flat state to set a display angle within a range of an obtuse angle, two users face each other on the display screen. You can configure it so that you can see each of them separately.

On the other hand, according to another feature of the present invention, the angle adjustment member 400 is a plurality of locking projections 440 formed on both sides of the hinge groove 304 as shown in Figure 18 (a) to 18 (d) )Wow; It is formed to be pulled in from both sides of the hinge boss 302 can be made of a plurality of locking grooves 450 to selectively be caught with the locking projection 440 and limit the bending or unfolding angle of the flexible display 10 according to the degree of bending. have.

According to this structure, the angle adjusting member 400 having a simple structure can be configured as described above, as compared with the configurations of the angle setting groove 410 and the stopper 430. [

In addition, the configuration of the locking projection 440 and the locking groove 450 is a whole flexible display device 900 than the configuration of the stopper 430 and the angle setting groove 410 described above when the display device has a relatively small screen size. The thickness of the product can be realized more slim, and since there is no component such as a ball flanger or a pogo pin, the overall weight of the product can be reduced.

FIG. 18A illustrates a coupling state of the locking protrusion 440 and the locking groove 450 when the flexible display 10 is in a flat state, and FIG. 18B illustrates the locking protrusion when the flexible display 10 is bent at a predetermined curvature. 440 and the engaging groove 450 is shown.

The locking protrusion 440 formed integrally with the hinge boss 302 and the hinge groove 304 of the connection link 310 and the locking groove 450 can be integrally formed by injection molding The step of separately assembling the stopper 430 becomes unnecessary, which is advantageous in that it becomes cheaper at the unit price and the overall manufacturing cost is lowered.

According to the configuration of the angle adjustment member 400 that can be configured in such various embodiments as shown in Figure 12 and 13, and Figure 16, the flexible display device to which the flexible hinge device is applied in a flat form A flat mode to maintain an unfolded state; It is possible to implement a product of the flexible display device 900 that can be transformed into the folding angle mode to maintain the bent state in half.

In addition, the flexible display 10 has the display screen of the flexible display 10 in a flat state as shown in FIGS. 14 and 15 between the flat mode and the folded angle mode section by the angle adjusting member 400. An acute mode to bend to maintain within the acute range; It becomes possible to implement a flexible display 10 product that can be transformed into an obtuse mode to bend the display screen of the flexible display 10 to the outside to maintain within the obtuse range.

According to another feature of the present invention, the flexible display 10 or the support frame 20 and the shape maintaining means 100 in the connecting portion in the process of bending the flexible display 10 inward or outward or unfolding in a plane Another one of the configurations of the present invention is further provided with a slide member 500 for allowing the plane holding hinge member 200 and the curved surface holding member 300 to be pulled inward with respect to the support frame 20. It is a feature of.

That is, as shown in Figure 7 to 10 the inner end of the slide member 500 is assembled with the outer end of the shape maintaining means 100, the outer end of the slide member 500 of the support frame 20 It is assembled with the inner end again, which is connected to the outer end of the flat holding hinge member 200 and the curved holding member 300 and the inner end of the slide member 500, and then the outer end thereof is the inner end of the support frame 20 again. It is assembled and configured.

The movable plate 510 includes a guide hole 511 formed in the other end of the flat holding hinge member 200 and the curved surface holding hinge member 300, And a fixing plate 520 having a guide pin 521 that is assembled and fitted in the guide hole 511. Here, the fixing plate 520 is configured to slide by being assembled with the supporting frame 20 in a horizontal direction, and means the fixing part 101 of the shape maintaining means 100.

An outer end of the curved surface holding hinge member 300 is assembled to the center of the inner end of the movable plate 510 and a pair of the surface holding hinge members 200 are provided on both sides of the curved surface holding hinge member 300. [ So that the outer end portion thereof is respectively inserted into the movable plate 510 and fixed.

The planar holding hinge member 200 is a leaf spring as described above, and the end of the leaf spring 201 is configured to be inserted when the movable plate 510 is constructed.

An assembling groove 341 is formed at the center of the outer end of the movable plate 510 so as to be assembled with the assembling protrusion 21 formed on the support frame 20, A pair of the guide holes 511 are formed on both sides of the fixing plate 520 and a pin hole 522 is formed at the inner end of the fixing plate 520 at positions corresponding to the guide holes 511, Assembled.

According to another aspect of the present invention, the planar holding hinge member 200 may be configured such that an outer end thereof is fixedly inserted into the movable plate 510.

As described above, in the case where the flat holding hinge member 200 is insert-molded together with the movable plate 510 or assembled separately, it is preferable that the flat holding hinge member 200 has a general engaging type assembling structure so that even if a tensile force is applied in a direction opposite to the fitting direction, Do.

In addition, the planar hinge member 200 may be formed in a pair as shown in FIGS. 2 (b) and 9, and both ends thereof are integrally connected to each other at intervals by the connecting portion 203. The connection part 203 may be configured to be fixed inlet into the movable plate 510.

Since the curved surface holding hinge member 300 is positioned between the flat holding hinge members 200 having such a structure and both ends of the curved surface holding hinge member 300 are assembled and fixed together with the movable plate 510, Can be configured to be implemented.

On the other hand, the present invention as shown in Figure 17 (a) to Figure 17 (d) the present invention is a limiting projection 306 is formed on the outer surface of the hinge boss 302, the limiting groove on the hinge boss contact surface 308 307 is further formed and configured.

The limiting protrusion 306 is formed to protrude in a triangular or semi-circular shape on the outer circumferential surface of the hinge boss 302.

And the limiting groove 307 is formed corresponding to the shape of the limiting projection 306, the formation position of the limiting groove 307 when the curved surface holding hinge member 300 is flat and folded in half In addition, the flexible display device 900 is formed to be folded at an obtuse angle in a planar state, and is formed within an acute angle range such as 30 degrees, 45 degrees, 60 degrees, and bent or bent at various angles to be used in various forms. .

Referring to the operation of the flexible hinge device of the present invention configured as described above are as follows.

That is, the flexible display 10 is maintained in a flat state by the flat holding hinge member 200. As described above, the flat holding hinge member 200 has an elastic force in a linear direction with the leaf spring 201. The concave shape of the flexible display 10 is maintained in a planar state because the concave shape is maintained inwardly opposite to the curved direction.

According to such a configuration, even when the screen is applied to a tablet PC or touched with one hand, the flexible display 10 has the angle setting groove 410 and the stopper 430 of the flat holding member 200 and the angle adjusting member 400. Since it is maintained in a flat state by the clamping force of the existing tablet PC can be used while watching the contents displayed on the large screen.

Then, after using the tablet PC or folded in half or as described below, there is a second screen display device 800 to the outside of the protective case 600, the user wants to use the smartphone function, the user is flexible display device 900 Fold in half.

The user grasps the flat section F with both hands and folds around the middle section of the curved section. The curved surface holding hinge member 300 provided at the curved section C of the present invention naturally bends at a constant curvature .

At this time, the curved surface holding hinge member 300 is pushed outward in a process of bending at a predetermined curvature. At this time, according to the slide member structure of the present invention, the movable plate 510 is inserted into the guide hole Lt; RTI ID = 0.0 > 511 < / RTI >

Accordingly, one fixing plate 520 of the curved holding member 300 is rotated together with the flexible display 10, and the connection link 310 of the curved holding member is an angle setting groove 410 of the angle adjusting member 400. ) And the stopper 430 is bent around the hinge pin 320 at a predetermined angle by the fitting action.

As a result, the articulation link 330 is bent at a constant curvature and is prevented from being pushed outward while being bent while maintaining a constant curvature together with the flat holding member and the flexible display 10.

The curved surface holding hinge member 300 maintains the curved state of the curved surface holding hinge member 300 by the angle adjusting member 400. The surface of the curved surface holding hinge member 300, The curved surface holding hinge member 300 does not protrude to maintain a beautiful appearance.

And, as shown in FIGS. 17A and 17B, the curved holding member 300 is no longer formed by the limiting protrusion 306 and the limiting groove 307 formed between the hinge boss and the hinge boss contact surface 308. Deflection is prevented.

In this way, the flexible display 10 can be folded into half and reduced to a small size so that the flexible display 10 can be easily transformed or stored.

On the contrary, when the cover plate 510 is folded in a half-folded state, the movable plate 510 moved inward is guided by the guide holes 511 again to rotate the fixing plate 520 and move the movable plate 510 .

After the flexible display 10 is in a substantially flat state, the planar state is restored to the flat state by the elastic force of the hinge member 200, and at this time, the angle setting groove 410 and the stopper 430 of the angle adjusting member 400 are removed. By the fitting action, the flexible display 10 can maintain a flat state.

That is, as shown in FIGS. 17 (c) and 17 (d) by the action of the restricting protrusion 306 formed between the hinge boss and the hinge boss contact surface 308, the restricting groove 307, and the planar retaining member 200, respectively. The curved holding member 300 is to maintain a flat state.

Meanwhile, according to still another feature of the present invention as shown in FIGS. 1 to 5 and 19 to 20, the flexible display 10 can be bent in a two-dimensional planar curvature, and various materials are used to make the appearance beautiful. By applying a protective case 600 that covers the entire back of the flexible display 10 is made of a flexible display device 900 in the form of a tablet PC as in the present embodiment, of course, TV, monitor, smart A flexible display device in the form of a phone may be implemented.

The protective case 600 for constituting the flexible display device 900 may be made of a synthetic resin or a fabric capable of high frequency or ultrasonic fusion except for the side finish.

According to such a configuration, there is a great advantage in designing a flexible display device 900 that can be folded in half in a diary or book-like feeling having a high-quality design. It will provide an effect that can cause a wind of innovation.

The protective case 600 may be made of synthetic resin, or may be made of a high-frequency or ultrasonic welding cloth.

The protective case 600 may include a flat finish part 610 surrounding a flat section of the flexible display 10 and a flexible finish part 620 surrounding the shape maintaining means 100.

The planar finishing portion 610 is configured to cover the planar section F other than the bent section, so that the planar finishing section 610 can be formed of a plate-shaped synthetic resin (molded article) or a metal casing (aluminum workpiece).

Since the flexible finishing portion 620 is a portion bent along with the plane holding hinge member 200 and the curved surface holding hinge member 300 while covering the bending portion, the back finishing portion 621 And a side finishing portion 622. [

For example, the rear end finishing portion 621 may be made of a fabric or sheet material made of a material or a color different from that of the protective case 600. [

The side finishing portion 622 may have a circular or square cross section with a small diameter and may be integrally formed with the support frame 20 in a combined or insertable manner so that even if warping and unfolding are continuously repeated, It is preferably made of silicone or PVC so as not to deform.

In other words, the protective case 600 may be bent together with the flexible hinge device 100 because the protective case 600 has a thin thickness even if the protective case 600 is bent in the bending section (C).

However, the side finish portion 622 of the bending section (C) may be thick in order to support the side of the flexible display (10).

Therefore, it is preferable that the side finishing portion 622 is made of a material which is not broken or deformed by a material having a high elongation rate, such as rubber or silicone, even in a repeated bending operation.

On the other hand, one end of the protective case 600 may be further provided with a fixing means 700 to prevent the outer end of the flexible display 10 to open when folded in half.

19 (a) and 19 (c), the fixing means 700 is formed to extend from the edge of the protective case 600 and has a fastening protrusion 720 at a substantially end portion thereof. And a fastening member 710.

In addition, the flexible fastening piece 710 may include a fastening groove 730 formed at the other edge of the rear surface of the protective case 600.

Here, the fixing means 700 may be made of a snap button (tick fastening method) or a magnet-attached snap button, etc., in addition to the end of the flexible fastening piece 710 and the outer end of the protective case 600 The flexible display 10 can be prevented from spreading outwards, and any form may be applicable.

In addition, according to another feature of the present invention, the fixing means 700 has an outer size of the protective case 600 as shown in FIGS. 20 (a) and 20 (c) and an outer size of the flexible display 10. It may be made larger and made of a slide fastener 740 is provided so as to start the locking outward from the bending section at its edge, the flexible fastening piece 710 is preferably made of a zipper.

Accordingly, the unfolded state when the flexible display 10 is unfolded by a simple combination of the flat holding hinge member 200 and the curved holding hinge member 300 without the configuration of the angle adjusting member 400 or the like described above is flat. It is held by the holding member, the fixing means 700 can maintain the folded state in a folded state in half, and is to form a form that wraps all the edge side of the flexible display to exhibit an effect that can be safely protected.

On the other hand, according to another feature of the present invention, the second screen display element having the same size as the area of the flat section or 1/2 of the screen size of the flexible display 10 on one side of the outer surface of the protective case 600 ( 800 may be further provided.

The second screen display device 800 may be configured as the flexible display 10, and may be configured by applying an existing liquid crystal display (not shown), and may have various shapes according to the design form of the display product. Of course, the screen display element 800 can be configured.

According to the flexible display device 900 having the flexible hinge device of the present invention as described above, when fully deployed, it can be used as a wide screen like a tablet PC.

And when used, folded in half to reduce the size is reduced to the size of a smart phone, so to provide consumers with a flexible display (10) product that can be used as a smartphone using a second screen display device (800) There is an advantage to it.

In addition, it is a matter of course that the protective case 600 can be configured in response to the tablet PC can be folded or carried or stored at a 1/3 ratio as necessary.

In addition, when adjusting the length of the connection link 310 of the curved holding means differently and setting the hinge folding angles differently, there is an advantage to provide the consumer with a flexible display device 900 product that is implemented by scrolling It is.

In addition to the tablet PC, the flexible hinge device of the present invention and the flexible display device 900 including the same may be used for all products to which the flexible display 10 is applied, such as a TV or a monitor smartphone. According to the combination form of the retaining hinge member 300 is a very useful invention, such as to provide a product having a variety of designs to the consumer.

10: flexible display 20: support frame
21: Assembly projections (of the support frame) 22:
100: shape holding means 101: fixed part
102: passage
200: plane holding hinge member 201: leaf spring
202: concave groove 203:
300: curved surface holding hinge member 301: hinge hole (of the hinge boss)
302: hinge boss 303: hinge hole (of the hinge groove)
304: hinge groove 306: limiting projection
307: restricted groove 308: hinge boss contact surface
310: connection link 320: hinge pin
321: head portion (of hinge pin) 330: joint link
340: Fixed link 341: Assembly groove
400: Angle adjusting member 410: Angle setting groove
411: Square setting groove 412: Folding angle setting groove
413: acute angle setting groove 414: obtuse angle setting groove
420: (stopper) assembly hole 430: stopper
431: Engaging ball 432: Coil spring
433: Support pin 440:
450:
500: slide member 510: movable plate
511: Guide hole (of movable plate)
520: fixed plate 521: guide pin (of fixed plate)
522: Pinhole (of fixed plate)
600: protective case 610: flat finish
620: flexible end portion 621: rear end portion
622: Side closure
700: fixing means 710: flexible fastening piece
720: (flexible fastening piece) fastening protrusion 730: (flexible fastening piece) fastening groove
740: Sliding fastener 800: Second display element
900: flexible display device
C: Flexural section F: Planar section
K: control panel

Claims (32)

  1. Flexible display;
    A hinge device for maintaining the flexible display in a flat state or curved state, the both ends are assembled in a straight section except the bending section of the flexible display, the middle portion is made of a straight length corresponding to the bending section of the flexible display It is made of a shape maintaining means having an elastic force to maintain a flat state with the flexible display, and flexibility that can be bent freely in the inner or outer direction;
    The shape maintaining means is for maintaining the overall flat state of the flexible display, and has elastic restoring force in a linear direction and the middle part is made of a thin metal plate so as to have flexibility so as to be convex outward. It consists of a plate spring curved in the longitudinal direction, both ends of the leaf spring is assembled on the back at the remaining position except the bending section of the flexible display, the middle portion is a flat maintenance hinge consisting of a straight length corresponding to the bending section of the flexible display Absence,
    A known curved holding hinge member having a flexible connection structure for maintaining a circular shape having a predetermined size in a bending section of the flexible display;
    And the flat holding hinge member and the curved holding hinge member are arranged in parallel with each other so that both ends thereof are assembled in a straight section excluding the bending section of the flexible display.
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  8. The flexible hinge device according to claim 1, wherein a concave groove is formed at one side or both edges of the bending spring of the leaf spring, so that the flexing section is bent at a uniform curvature while increasing flexibility to the bending action.
  9. 9. The flexible hinge device according to claim 8, wherein the concave groove portion has a round shape.
  10. The method of claim 1, wherein the curved holding member is for maintaining a curved state of the bending section of the flexible display,
    A hinge boss having a hinge hole is formed at one side of the intermediate portion having a length corresponding to the bending section and a plurality of connection links each having a hinge groove having a hinge hole are formed at the other side, A hinge boss is fitted in the hinge groove and is coupled to each other by a hinge pin to form a joint link; Configure
    A pair of fixed links formed at both ends of the joint link, the hinge bosses and the hinge recesses being formed at respective inner sides of the joint links and hinged together by hinge pins; Respectively,
    The outer end of the fixed link is assembled on the back at the remaining position except the bending section of the flexible display,
    Each hinge portion of the articulated link and the fixed link is further provided with an angle adjusting member for maintaining the flat state, or bending inward or outward in a planar state to fold in half, or to maintain a constant angle. Flexible hinge device, characterized in that.
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  12. 11. The apparatus of claim 10, wherein the angle adjusting member comprises: a plurality of angle setting grooves arranged radially about the hinge point adjacent to the hinge hole of the hinge boss;
    It is mounted in the assembly hole formed adjacent to the hinge hole portion hinge hole provided in the other link link and the fixed link to communicate with the angle setting groove, the inner end thereof is elastically fitted into the angle setting groove, the outer end is the hinge A stopper which is assembled to be in contact with the head of the pin and is prevented from escaping outward; Flexible hinge device, characterized in that consisting of.
  13. The stopper of claim 12, wherein the stopper has a spherical or hemispherical end and is formed of a ball flanger or a pogo pin which is outwardly shot, and each outer end is supported on the inner side of the head of the hinge pin to prevent separation. Flexible hinge device.
  14. The method of claim 12, wherein the angle setting groove and the angle setting groove to maintain the flexible display unfolded in a flat form; Flexible hinge device, characterized in that consisting of the folding angle setting groove to maintain the state bent in half.
  15. 15. The display device of claim 14, wherein the angle setting groove comprises: an acute angle setting groove for bending the display screen of the flexible display in a plane state inwardly between the flat angle setting groove and the folding angle setting groove section to maintain it within an acute angle range; A flexible hinge device, characterized in that the obtuse angle setting groove is further formed to bend the display screen of the flexible display to the outside to maintain within the obtuse range.
  16. 11. The method of claim 10, wherein the angle adjusting member is a locking projection formed on both sides of the hinge groove;
    And a plurality of locking grooves formed to be pulled in from both sides of the hinge boss to restrict the bending or unfolding angle of the flexible display selectively hooked with the locking projections according to the degree of bending.
  17. The flat display apparatus of claim 10, wherein the flexible display comprises: a flat mode configured to maintain a flat state unfolded by the angle adjusting member; Flexible hinge device, characterized in that it is made to be deformed in the folding angle mode to maintain the state bent in half.
  18. 18. The display device of claim 17, wherein the flexible display comprises: an acute angle mode configured to bend the display screen of the flexible display in a planar state between the flat mode and the folding angle mode section inwardly by the angle adjusting member so as to be maintained within an acute angle range;
    A flexible hinge device, characterized in that the display screen of the flexible display to be deformed into an obtuse mode to maintain the within the obtuse angle range.
  19. 13. The flexible hinge apparatus according to claim 12, wherein a limiting protrusion is formed on an outer surface of the hinge boss, and a limiting groove is formed on the hinge boss contact surface to correspond to the limiting protrusion.
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KR1020130000592A 2012-10-18 2013-01-03 Flexible hinge device and flexible hinge device with flexible display devices KR101389442B1 (en)

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US9606583B2 (en) 2015-05-27 2017-03-28 Samsung Display Co., Ltd. Hinge module apparatus
US9618974B2 (en) 2015-01-19 2017-04-11 Samsung Display Co., Ltd. Foldable display
KR101731375B1 (en) 2015-11-20 2017-04-28 엘지전자 주식회사 Mobile terminal
JP2017520999A (en) * 2014-06-23 2017-07-27 ゼットティーイー コーポレーションZte Corporation Terminal
CN107580774A (en) * 2015-02-06 2018-01-12 Lg 电子株式会社 Mobile terminal
US10073496B2 (en) 2015-06-26 2018-09-11 Hewlett-Packard Development Company, L.P. Hinge for a foldable display unit
US20190018457A1 (en) * 2015-12-23 2019-01-17 Samsung Electronics Co., Ltd. Electronic device and folding device thereof
WO2019054839A1 (en) * 2017-09-18 2019-03-21 삼성전자 주식회사 Foldable electronic device supporting multi-window
CN107580774B (en) * 2015-02-06 2020-12-22 Lg 电子株式会社 Mobile terminal

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KR102164430B1 (en) * 2014-05-29 2020-10-13 엘지디스플레이 주식회사 Foldable Display Device
KR102034002B1 (en) 2014-08-26 2019-10-21 한국전자통신연구원 Display apparatus and manufacturing method thereof
KR20160041300A (en) 2014-10-07 2016-04-18 엘지전자 주식회사 Mobile terminal
CN105513506B (en) * 2014-10-16 2020-11-06 中兴通讯股份有限公司 Display terminal
KR101634175B1 (en) * 2014-10-17 2016-07-11 주식회사 세네카 hinge device
KR20160050698A (en) * 2014-10-30 2016-05-11 엘지전자 주식회사 Mobile terminal
US9625953B2 (en) 2014-11-11 2017-04-18 Microsoft Technology Licensing, Llc Covered multi-pivot hinge
US9910465B2 (en) 2014-11-11 2018-03-06 Microsoft Technology Licensing, Llc Covered radius hinge
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US9851759B2 (en) * 2014-12-31 2017-12-26 Microsoft Technology Licensing, Llc Multi-pivot hinge cover
US10174534B2 (en) 2015-01-27 2019-01-08 Microsoft Technology Licensing, Llc Multi-pivot hinge
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KR101765121B1 (en) * 2015-06-10 2017-08-04 (주) 프렉코 Hinge Device with The Linkage Structure for Flexible Display
US10162389B2 (en) 2015-09-25 2018-12-25 Microsoft Technology Licensing, Llc Covered multi-axis hinge
CN105611006B (en) 2015-12-29 2018-03-27 广东欧珀移动通信有限公司 A kind of collapsible terminal with flexible screen
KR20170116858A (en) * 2016-04-12 2017-10-20 삼성전자주식회사 Flexible electronic device
US10437293B2 (en) 2016-09-23 2019-10-08 Microsoft Technology Licensing, Llc Multi-axis hinge
KR20180040481A (en) 2016-10-11 2018-04-20 박현민 Hinge Structure for Folderable Display Device
WO2018070778A1 (en) * 2016-10-11 2018-04-19 박현민 Hinge structure of foldable display device
CN106504648B (en) * 2016-11-17 2019-01-25 上海天马有机发光显示技术有限公司 It is a kind of for protecting the chain assembly and flexible display device of flexible screen
KR101894456B1 (en) * 2017-03-24 2018-09-05 주식회사 세네카 Case
CN111937060A (en) * 2018-03-28 2020-11-13 奥福雷株式会社 Internal folding type hinge structure provided with flexible display panel
KR102021094B1 (en) * 2018-01-31 2019-09-11 황종수 Angular changeable display panel for display
KR102169912B1 (en) * 2019-04-05 2020-10-26 주식회사 에스코넥 Hinge Apparatus And Foldable Display Apparatus Having The Same
KR102036913B1 (en) * 2019-06-10 2019-10-28 김형수 Hinge for foldable display

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Cited By (12)

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KR20150135666A (en) * 2014-05-23 2015-12-03 주식회사 세네카 Hinge device
KR101579574B1 (en) * 2014-05-23 2015-12-23 주식회사 세네카 Hinge device
JP2017520999A (en) * 2014-06-23 2017-07-27 ゼットティーイー コーポレーションZte Corporation Terminal
US9618974B2 (en) 2015-01-19 2017-04-11 Samsung Display Co., Ltd. Foldable display
US10440817B2 (en) 2015-01-19 2019-10-08 Samsung Display Co., Ltd. Foldable display
CN107580774A (en) * 2015-02-06 2018-01-12 Lg 电子株式会社 Mobile terminal
CN107580774B (en) * 2015-02-06 2020-12-22 Lg 电子株式会社 Mobile terminal
US9606583B2 (en) 2015-05-27 2017-03-28 Samsung Display Co., Ltd. Hinge module apparatus
US10073496B2 (en) 2015-06-26 2018-09-11 Hewlett-Packard Development Company, L.P. Hinge for a foldable display unit
KR101731375B1 (en) 2015-11-20 2017-04-28 엘지전자 주식회사 Mobile terminal
US20190018457A1 (en) * 2015-12-23 2019-01-17 Samsung Electronics Co., Ltd. Electronic device and folding device thereof
WO2019054839A1 (en) * 2017-09-18 2019-03-21 삼성전자 주식회사 Foldable electronic device supporting multi-window

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