KR101762131B1 - Hinge Device for Flexible Display - Google Patents

Hinge Device for Flexible Display Download PDF

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Publication number
KR101762131B1
KR101762131B1 KR1020150117987A KR20150117987A KR101762131B1 KR 101762131 B1 KR101762131 B1 KR 101762131B1 KR 1020150117987 A KR1020150117987 A KR 1020150117987A KR 20150117987 A KR20150117987 A KR 20150117987A KR 101762131 B1 KR101762131 B1 KR 101762131B1
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KR
South Korea
Prior art keywords
cam
hole
plate
cam portion
segment
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KR1020150117987A
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Korean (ko)
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KR20170022684A (en
Inventor
송인성
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(주) 프렉코
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Priority to KR1020150117987A priority Critical patent/KR101762131B1/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

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

Abstract

The flexible hinge device according to the present invention is characterized in that a flexible display screen having flexibility is attached to an upper surface of a first plate having a first fastening groove formed on a lower surface thereof and a second plate having a second fastening groove formed on a lower surface thereof, A plurality of first segment members and a plurality of second segment members are alternately connected to each other so that the hinge unit can be bent or extended, and the first segment member, the second segment member, The first segment member is connected to the first plate and the second plate, and includes a first cam portion extending in the longitudinal direction, a first turning portion extending from both ends of the first cam portion, A first segment member extending upward from both ends of the first rotary part and having a first step formed with a first long hole inward; A second cam portion extending in the longitudinal direction, a second step portion extending upward from both ends of the second cam portion and having a second elongated hole, and a second pivot portion extending from both ends of the second step portion, A second segment member provided on the second segment member; A first pin connecting the first turning portion and the second step portion; And a second pin connecting the second turning unit and the first step unit.
Therefore, it is possible to reduce the step height difference between the first plate and the second plate and the flexible display screen with the configuration of only the hinge portion without the additional variable means, and the first and second plates, So that the second segment members can be bent at the same angle.

Description

[0001] HINGE DEVICE FOR FLEXIBLE DISPLAY [0002]

The present invention relates to a flexible hinge device, and more particularly, to a flexible hinge device capable of reducing a step height difference between a first plate, a second plate, and a flexible display screen with only a hinge portion without additional variable means, To a flexible hinge device capable of being bent in the same locus.

Generally, due to the development of communication technology and the development of semiconductor and optical technology, portable terminals such as smart phones and tablet PCs, which have improved their mobile phones and enable internet access, have been enjoying explosive popularity. The living environment has been changed, leading to a revolution in science and technology. In particular, Tablet PC has a wide display screen but it is bulky and inconvenient to carry.

As a solution to this problem, a flexible display having flexibility has been proposed. As a prior art related to such a flexible display substrate that can be folded or unfolded, a " flexible display substrate " disclosed in Patent Document 10-2010-0112383-1 is disclosed. Flexible display means either a rollable shape or a curved or bendable design like a piece of paper. In addition, the substrate can be understood as a thin, light (thin and light) display using a flexible, robust display that is unbreakable and, in some cases, thin and light as plastic.

On the other hand, the most basic form is that the flexible display is folded in half so that the volume can be reduced by half. In this case, it is preferable that the flexible display can be folded in a form having a gentle curvature without folding the flexible display as if folding the paper.

A flexible display device having a load forming means of the registered patent 10-1467857 has been disclosed as an apparatus configured to fold a flexible display as described above.

However, in order to solve the above-mentioned problems, the flexible display device has a structure in which a plurality of the rear portions of the first plate and the second plate are formed in order to solve the problem that the first and second plates are bent on the flexible display screen The movable plate connected to the hinge member in the area and the guide member guiding the movable plate are separately mounted to increase the thickness of the first plate and the second plate, There was a problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is an object of the present invention to solve the following problems.

First, in general, it is desired to reduce the step height difference between the first plate and the second plate and the flexible display screen, which occurs while bending the hinge portion, by the function of only the hinge portion without additional components.

Second, by eliminating additional components to reduce the step, the thickness of the flexible hinge device is reduced and the manufacturing cost is reduced.

Third, an elastic member is inserted into a plurality of segment members so that each of the segment members can be bent at the same angle.

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

The flexible hinge device according to the present invention is characterized in that a flexible display screen having flexibility is attached to an upper surface of a first plate having a first fastening groove formed on a lower surface thereof and a second plate having a second fastening groove formed on a lower surface thereof, A plurality of first segment members and a plurality of second segment members are alternately connected to each other so that the hinge unit can be bent or extended, and a plurality of second segment members are alternately connected at both ends of the first segment member, The first segment member is connected to the first plate and the second plate, respectively, and includes a first cam portion extending in the longitudinal direction, a first pivot portion extending from both ends of the first cam portion, A first segment member extending upward from the first segment member and having a first step formed with a first hole inward; A second cam portion extending in the longitudinal direction, a second step portion extending upward from both ends of the second cam portion and having a second elongated hole formed therein, and a second rotational portion extending from both ends of the second step portion A second segment member; A first pin connecting the first turning portion and the second step portion; And a second pin connecting the second turning portion and the first step portion.

A slit formed in a longitudinal direction at a central portion of the first cam portion and the second cam portion; Cam noses formed at both lower ends of the first cam portion and the second cam portion; And cam holes formed on both upper ends of the first cam portion and the second cam portion so as to correspond to the cam nose in the longitudinal direction.

The cam hole of the first cam portion includes an insertion hole formed at an upper portion thereof to insert a cam nose of the second cam portion located above the first cam portion; A bent portion formed at a center portion of the second cam portion such that the cam nose curves and slides; And a seating hole formed at a lower portion to seat the cam nose of the second cam portion.

The cam hole of the second cam portion is formed with an insertion hole formed on the upper portion so that the cam nose of the first cam portion located above the second cam portion is inserted; A bent portion formed at a center portion of the first cam portion such that the cam nose curves and slides; And a seating hole formed at a lower portion to seat the cam nose of the first cam portion.

A first side block formed on both sides of the first rotating portion and having a through hole; A first protrusion spaced inwardly of the first side block and having a through-hole; And a first connection part formed to be spaced inwardly from the first projection and having a through hole.

A second side block formed on both sides of the second rotating portion and having a through hole; A second protrusion formed on the inner side of the second side block and having a through hole; And a second connection part formed to be spaced inward from the second projection part and having a through hole.

A first insertion hole is formed between the first connection portion and the first cam portion and a second step portion of the second segment member located at the lower side is rotatably coupled to the first insertion hole.

The first pin is inserted into the second hole of the second step portion through the through hole of the first turning portion.

The second pin passes through the through hole of the second turning portion and is inserted into the first long hole of the first step located below.

A flat elastic member in the longitudinal direction is inserted into the slit of the first cam portion and the second cam portion, at least two fixing holes are formed in the lower portion of the elastic member, and a guide slot is formed in the upper portion.

The elastic member further includes a fixing member that penetrates the fixing hole to couple the lower portion of the elastic member to the second coupling groove, and a coupling member that passes through the guide slot and slides the upper portion of the elastic member into the first coupling groove.

A closing member is further coupled to the outside of the through-hole of the first side block.

A screw hole communicating with the first hole is further formed on a rear surface of the first step, and a screw is coupled to the screw hole.

The first cover plate is further coupled to the first engagement groove, and the second cover plate is further coupled to the second engagement groove.

According to the present invention, it is possible to reduce the height difference between the first and second plates and the flexible display screen, which are generated while bending the hinge portion, by the function of only the hinge portion without an additional component.

In addition, by inserting the elastic members into the plurality of segment members constituting the hinge portion, all of the segment members can be bent at the same angle.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 to 4 are use state diagrams according to an embodiment of the present invention.
5 to 6 are views showing the state of use of the elastic member according to the embodiment of the present invention.
7 to 9 are sectional views of a cam portion according to an embodiment of the present invention.
10-11 are exploded perspective views of segment members according to one embodiment of the present invention.
FIGS. 12 to 13 are views showing the state of use of the segment members according to an embodiment of the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figures 2 and 4,

The flexible hinge device 10 according to an embodiment of the present invention includes a first plate 400 having a first fastening groove 410 formed on a lower surface thereof and a second plate 450 having a second fastening groove 460 formed on a lower surface thereof, And a hinge unit 500 having a flexible display screen 50 attached to an upper surface of the first plate 400 and connecting the first plate 400 and the second plate 450 to each other and being bent or expanded,

A plurality of first segment members 100 and a plurality of second segment members 200 are alternately connected to each other so that the hinge unit 500 can be bent or extended. The one-sided member 100 is connected to the first plate 400 and the second plate 450, respectively.

10 and 11,

The first segment member 100 has a long rod shape and the first segment member 100 is largely composed of the first cam portion 110, the first pivot portion 130 and the first step portion 150.

The second segment member 200 has a rod shape shorter than that of the first segment member 100 and the second segment member 200 has a second cam part 210, a second step part 250, (230).

The first and second segment members 100 and 200 are alternately connected to each other so as to be bent or extended at a predetermined angle. The structure in which the first and second segment members 100 and 200 are connected, Will be described later.

Referring to Figures 2, 4 and 10,

A first cam portion 110 and a second cam portion 210 are formed at the center of the first and second segment members 100 and 200. The first and second cam portions 110 and 210 are provided with thin slits 160 And 260 are formed.

A flat elastic member 300 in the longitudinal direction is inserted into the slits 160 and 260. The flexible hinge device 10 according to the present invention can be bent or spread by the elastic force of the elastic member 300. [

As shown in Figs. 5 and 6,

The elastic member 300 is preferably a thin leaf spring 300 in the longitudinal direction.

5) of the first type and the plate spring 300 of the second type are respectively referred to as the first and second plate springs 300 and 300, (Refer to Fig. 6).

Referring to Figures 4 and 5,

In the first embodiment, the leaf spring 300 has a gently curved surface in a downward direction in the expanded state, and a gently curved surface in the upward direction when bent. The leaf spring 300 of the first form has a property of retaining the expanded state and the bent state, respectively. Therefore, when the first type of leaf spring 300 is coupled to the flexible hinge device 10 according to the present invention, the hinge device 10 can be maintained in the open state or the bent state by the function of the leaf spring 300 .

Since the first type of plate spring 300 is maintained in a bent state, the flexible display screen 50 is bent at the ends of the first plate 400 and the second plate 450, There is no need to attach an additional fixing means for the purpose of the present invention.

Referring to Figures 4 and 6,

The plate spring 300 of the second embodiment forms a gentle curved surface in an upward direction when both the flat state and the bent state are bent. The leaf spring 300 of the second embodiment has a property of retaining only the expanded state. Therefore, when the leaf spring 300 according to the second embodiment is coupled to the flexible hinge device 10 according to the present invention and the hinge device 10 is bent, the hinge device 10 returns to its original state .

Therefore, in order to maintain the bending state of the hinge device 10, the flexible display screen 50 may include a first plate 400 attached to the upper surface thereof and a second plate 400 attached to the upper surface of the second plate 450 to maintain the bent state It is necessary to attach additional fixing means.

As shown in Figs. 10 and 11,

At least two fixing holes 320 are formed in a lower portion of the leaf spring 300, and guide elongated holes 340 are formed in the upper portion. The central portion of the leaf spring 300 is inserted into the slits 160, 260 of the first and second segment members.

Referring to Figures 2 and 4,

A combination of the leaf spring 300 and the first and second plates 400 and 450 is as follows.

A fixing member 322 such as a fixing pin having a head portion is coupled to the second coupling groove 460 formed in the lower surface of the second plate 450 through the fixing hole 320, Is fixed to the second engaging groove 460. As shown in Fig. A coupling member 342 such as a coupling pin having a head portion is coupled to the first coupling groove 410 formed in the lower surface of the first plate 400 through the guide slot 340, So that the upper portion of the first engaging groove 410 is slidably engaged with the first engaging groove 410.

The second cover plate 470 is attached to the second coupling groove 460 after the lower and upper portions of the leaf spring 300 are coupled to the second coupling groove 460 and the first coupling groove 410, A first cover plate 430 is attached to the first engagement groove 410.

The reason for attaching the first and second cover plates 430 and 470 as described above is to prevent rusting of the leaf spring 300 and to enhance the appearance aesthetics of the hinge device 10.

Referring to Figures 2 and 4,

The upper part of the leaf spring 300 is fixed to the second engaging groove 460 of the second plate 450 when the whole of the hinge part 500 is in a horizontal state, Is located in front of the first fastening groove (410) of the first plate (400).

When the hinge part 500 is bent to about 180 degrees, the upper part of the leaf spring 300 is fixed to the first engaging groove 460 while the lower part of the leaf spring 300 is fixed to the second engaging groove 460, And is slid rearward on the fastening groove 410. In this case, the fastening member 342 coupled to the first fastening groove 410 appears to move to the upper portion of the guide elongated hole 340.

The lower end of the plate spring 300 can be slidably engaged with the second engagement groove 460 by forming a guide slot 340 in the lower portion of the leaf spring 300. In addition, A fixing hole 320 may be formed on the upper portion of the plate spring 300 to fix the upper portion of the plate spring 300 to the first coupling groove 410.

10 and 11,

Cam noses 170 and 270 are formed on both lower ends of the first cam part 110 and the second cam part 210. The cam noses 170 and 270 are formed on both sides of the first cam part 110 and the second cam part 210, The cam holes 180 and 280 are formed to correspond to the cam noses 170 and 270 in the longitudinal direction.

Hereinafter, with the leaf spring 300 inserted into the slits 160 and 260 of the first and second segment members 100 and 200, the first cam member 110 280 of the second segment member 200 connected to the first segment member 100 and the cam noses 170 and 270 of the second cam member 210 connected to the first segment member 100 above the first segment member 100, And the operation of the cam noses 170 and 270 and the cam holes 180 and 280 will be described. The first segment member 100 and the second segment member 200 are connected to the first pin 139 in addition to the leaf spring 300. The connection structure of the first pin member 139 will be described later.

Referring to Figures 7 to 11,

Insert holes 181 and 281 through which the cam noses 170 and 270 of the second cam part 210 can be inserted are formed on the cam holes 180 and 280 of the first cam part 110,

At the center of the cam holes 180 and 280, gently curved bent portions 183 and 283 are formed so that the cam noses 170 and 270 can be curved and slid.

Mounting holes 185 and 285 for receiving the cam noses 170 and 270 are formed below the cam holes 180 and 280, respectively.

First, as shown in Fig. 7, which is a sectional view of the first and second cam portions 110 and 210,

The first cam part 110 of the first segment member 100 and the second cam part 210 of the second segment member 200 are also rotated in the horizontal direction by the hinge part 500, And is in a horizontal state.

In this case, the cam nose 270 of the second cam part 210 is located in the insertion hole 181 of the cam hole 180 of the first cam part 110 connected to the lower part, and the plurality of first segment members 100, The first cam portion 110 of the second segment member 200 and the second cam portion 210 of the second segment member 200 are in contact with each other stepwise and become horizontal.

8, which is a sectional view of the first and second cam portions 110 and 210,

The first cam portion 110 of the plurality of first segment members 100 and the second cam portion 210 of the second segment member 200 are engaged with the leaf spring 300 are interlocked with each other due to the dispersed tensile force and are bent at a certain angle. In this case, if the number of the first and second segment members 100 and 200 is all 7, each segment member is bent to about 13 degrees.

In this case, the cam nose 270 of the second cam portion 210 is curved and slid on the bent portion 183 formed at the center of the cam hole 180 of the first cam portion 110 connected to the lower side.

Therefore, when the first and second segment members 100 and 200 are in a horizontal state, the cam noses 170 and 270 slide the bent portions 183 and 283 unlike the state where the segment members are all in contact with each other While the first and second segment members 100 and 200 are slightly stepped and interlocked and bent.

In the case of a general flexible display device (not shown), when the hinge part 500 is bent, the first and second plates 400 and 450 located outside and the flexible display screen 50 located inside (Not shown) for guiding the forward and backward movement of the first plate 400 and the second plate 450 are separately installed in order to solve the above problem, While solving the problem,

2, 4, 8 and 9, the flexible hinge device 10 according to the present invention includes cam holes 180 and 280 having cam noses 170 and 270 and bent portions 183 and 283, It is possible to reduce a step difference between the first plate 400 and the second plate and the flexible display screen 50 by the function of only the hinge part 500 without requiring any additional variable means.

And, as shown in Fig. 9,

The first cam portion 110 of the plurality of first segment members 100 and the second cam portion 210 of the second segment member 200 are bent in a direction substantially perpendicular to the hinge portion 500 by approximately 180 degrees, Due to the dispersed tensile force of the spring 300, it is interlocked and bent at the maximum angle.

If the number of the first and second segment members 100 and 200 is all 7, the respective segment members are bent to about 26 degrees.

In this case, the cam nose 270 of the second cam portion 210 is seated in the seating hole 185 formed in the lower portion of the cam hole 180 of the first cam portion 110 through the bent portion 183, The one-segment member 100 and the second segment member 200 are interlocked with each other with a maximum step difference, and are bent.

7 to 9,

The first segment member 100 is connected to the cam noses 170 and 270 of the first cam unit 110 and the second segment member 200 connected to the lower side of the first segment member 100 through the cam holes 180 The cam noses 170 and 280 of the first cam part 110 connected to the cam holes 180 and 280 of the second cam part 210 and the second cam part 210 are connected to the first and second cam parts 210 and 280, 270,

The cam member 180 of the first cam member 110 of the first segment member 100 and the second cam member 210 of the second segment member 200 connected to the upper side of the first segment member 100, And the cam holes 180 and 280 with reference to the protrusions 170 and 270, respectively.

10 to 13,

The first pin 130 connecting the first rotating unit 130, the second pinion 250 and the first pinion 130 and the second pinion 250 will be described.

The first rotary part 130 is formed at both ends of the first cam part 110 of the first segment member 100.

The first rotary part 130 includes a first side block 131 having through holes 135 formed on both sides thereof and a first side block 131 spaced inward of the first side block 131 and having a through hole 135, And a first connection part 133 formed to protrude inward from the protrusion 132 and the first protrusion 132 and to have a through hole 135 formed therein.

A second step jaw portion 250 is formed on both ends of the second cam portion 210 of the second segment member 200 located at the lower side and the second end jaw portion 250 is formed on the outer side of the second end jaw portion 250, An elongated hole 252 is formed.

A first insertion hole 138 is formed between the first connection portion 133 and the first cam portion 110. The first insertion hole 138 is formed with a second insertion hole 138, The step 250 is rotatably coupled by the first pin 139. [ That is, the first pin 139 passes through the through hole 135 of the first side block 131, the first protrusion 132, and the first connection portion 133, The first pin 139 is inserted into the second hole 252 from the upper side of the second hole 252 of the second step 250 to the lower side of the second hole 252 of the second step 250, .

The first and second segment members 100 and 200 are rotated by the first pin 139 in addition to the leaf springs 300 inserted into the slits 160 and 260 of the first and second segment members 100 and 200, It is possible to connect them.

When the hinge portion 500 is repeatedly bent and spread, the first pin 139 may be pulled out of the through hole 135 of the first side block 131, so that the first pin 139 Passes through the through holes 135 of the first side block 131, the first protrusion 132 and the first connection portion 133 and is inserted into the second long hole 252 of the second step portion 250 The outer side of the through hole 135 of the first side block 131 is finished with a closure member or the like so that the first pin 139 is pulled out of the through hole 135 of the first side block 131 ≪ / RTI >

10 to 13,

The second pin 239 connecting the second rotary part 230, the first step jaw part 150 and the second rotary part 230 to the first step part 150 will be described.

The second rotary part 230 is formed at both ends of the second step part 250 of the second segment member 200.

The second rotary part 230 includes a second side block 231 having through holes 235 formed on both sides thereof and a second side block 231 spaced inwardly of the second side block 231 and having a through hole 235, And a second connection part 233 spaced inwardly of the protrusion 232 and the second protrusion 232 and having a through hole 235 formed therein.

A first step portion 150 is formed in an upper side of the first pivot portion 130 of the first segment member 100 located at the lower side and a first step portion 150 is formed at an inner side of the first pivot portion 130, And a single hole 152 is formed.

The second tilting portion 230 and the first tilting portion 150 are rotatably coupled by the second pin 239. That is, the second pin 239 passes through the through hole 235 of the second side block 231, the second protrusion 232 and the second connection portion 233 of the second rotary portion 230, The second pin 239 is inserted into the first long hole 152 of the first step 150 and the second pin 239 is inserted into the first long hole 152 of the first step portion 150 when the hinge portion 500 is bent at a predetermined angle in a horizontal state, And moves downward from the upper side of the upper side 152 of the housing.

As a result, the first and second pins 239 and 239 are inserted into the slits 160 and 260 of the first and second segment members 100 and 200 in addition to the leaf spring 300 and the first pin 139, So that the segment members 100 and 200 are rotatably connected.

As a result, the first segment member 100 and the second segment member 200 located at the lower side are connected to the first pin 139, and the first segment member 100 and the second segment member 200 located at the upper side And is connected to the second pin 239.

Referring to FIGS. 4 and 10,

A threaded hole 154 is formed in the rear surface of the first step portion 150 and a screw 155 or the like is coupled to the threaded hole 154.

The second pin 239 may be pulled out of the first elongated hole 152 of the first step portion 150 when the hinge portion 500 is repeatedly bent. Through the first long hole 152 of the first step portion 150, the second side block 231 of the second turning portion 230, the second projecting portion 232 and the second connecting portion 233 in this order The second pin 239 is pulled out of the first elongated hole 152 of the first step portion 150 by engaging the screw 155 or the like in the threaded hole 154 on the rear surface of the first step portion 150 ≪ / RTI >

It is to be understood that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit and scope of the present invention as defined in the appended claims. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

10: Flexible hinge device 50: Display screen
100: first segment member 110: first cam portion
130: first turning part 131: first side block
132: first protrusion 133: first connection part
135, 235: through hole 138: first insertion hole
139: first pin 150: first stage jaw
152: Chapter 1 Hole 154: Screw holes
155: screws 160, 260: slit
170, 270: Cam nose 180, 280: Cam hole
181, 281: insertion holes 183, 283:
185, 285: seating hole 200: second segment member
210: second cam part 230: second east part
231: second side block 232: second protrusion
233: second connecting portion 239: second pin
250: second stage jaw 252: second stage hall
300: elastic member 320:
322: fixing member 340: guide slot
342: fastening member 400: first plate
410: first fastening groove 430: first cover plate
450: second plate 460: second fastening groove
470: second cover plate 500: hinge part

Claims (14)

A flexible display screen having flexibility is attached to a top surface of a first plate having a first fastening groove formed on a lower surface thereof and a second plate having a second fastening groove formed on a bottom surface thereof and connected to the first plate and the second plate, And a hinge portion that is folded and operated,
The hinge portion
A plurality of first segment members and a plurality of second segment members are alternately connected to each other so that the first and second segment members can be bent or extended, and the first segment members located at both ends of the first segment member are connected to the first plate and the second plate, As a result,
A first cam portion extending from both ends of the first cam portion and a first cam portion extending upward from both ends of the first cam portion and having a first long hole formed inside thereof; A first segment member;
A second cam portion extending in the longitudinal direction, a second step portion extending upward from both ends of the second cam portion and having a second elongated hole, and a second pivot portion extending from both ends of the second step portion, A second segment member provided on the second segment member;
A first pin connecting the first turning portion and the second step portion; And
And a second pin connecting the second turning unit and the first step unit. The method according to claim 1,
A slit formed in a longitudinal direction at a central portion of the first cam portion and the second cam portion;
Cam noses formed at both lower ends of the first cam portion and the second cam portion; And
And cam holes formed on both upper ends of the first cam portion and the second cam portion to correspond to the cam nose in the longitudinal direction. 3. The method of claim 2,
The cam hole of the first cam portion
An insertion hole formed at an upper portion of the second cam portion located above the first cam portion to insert a cam nose;
A bent portion formed at a central portion of the second cam portion so that the cam nose of the second cam portion curves and slides; And
And a seating hole formed at a lower portion of the second hinge portion so that the cam nose of the second cam portion is seated. 3. The method of claim 2,
The cam hole of the second cam portion
An insertion hole formed at an upper portion of the first cam portion located above the second cam portion to insert a cam nose;
A bent portion formed at a central portion of the first cam portion such that the cam nose curves and slides; And
And a seating hole formed at a lower portion of the first hinge portion so that the cam nose of the first cam portion is seated. The method according to claim 1,
The first rotating part
A first side block formed on both sides of the first turning portion, the through hole being formed in the first side block;
A first protrusion formed on the inner side of the first side block and having a through hole; And
And a first connection part formed to be spaced apart from the first protrusion and having a through hole. The method according to claim 1,
The second rotating portion
A second side block formed on both sides of the second turning portion, the through hole being formed in the second side block;
A second protrusion formed on the inner side of the second side block and having a through hole; And
And a second connection part formed to be spaced inward from the second protrusion and having a through hole. 6. The method of claim 5,
A first insertion hole is formed between the first connection portion and the first cam portion,
And a second step portion of a second segment member located at a lower side is rotatably coupled to the first insertion hole. 8. The method of claim 7,
Wherein the first pin is inserted into the second hole of the second step portion through the through hole of the first pivot portion. The method according to claim 6,
And the second pin passes through the through hole of the second turning portion and is inserted into the first long hole of the first step located below. 3. The method of claim 2,
A flat elastic member in the longitudinal direction is inserted into the slits of the first cam portion and the second cam portion,
Wherein at least two fixing holes are formed in a lower portion of the elastic member, and a guide slot is formed in an upper portion of the flexible hinge. 11. The method of claim 10,
The elastic member
And a fastening member passing through the fixing hole to couple the lower portion of the elastic member to the second fastening groove and a fastening member passing through the guide long hole and slidably coupling the upper portion of the elastic member to the first fastening groove And the flexible hinge device. 6. The method of claim 5,
And a closing member is further coupled to the outside of the through hole of the first side block. The method according to claim 1,
Wherein a screw hole communicating with the first elongated hole is further formed on a rear surface of the first step, and a screw is coupled to the screw hole. The method according to claim 1,
Wherein a first lid plate is further attached to the first fastening groove and a second lid plate is further attached to the second fastening groove.
KR1020150117987A 2015-08-21 2015-08-21 Hinge Device for Flexible Display KR101762131B1 (en)

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CN110010001B (en) * 2017-12-28 2021-06-15 乐金显示有限公司 Flexible display and electronic device including the same
CN110242663A (en) * 2018-03-09 2019-09-17 创王光电股份有限公司 Hinge, shell structure and flexible display device
CN208919053U (en) * 2018-03-12 2019-05-31 深圳市柔宇科技有限公司 Bend component and flexible display apparatus
CN112002228B (en) * 2020-08-17 2022-02-01 武汉华星光电半导体显示技术有限公司 Display device

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