JP2018097374A - Coupling device and display device assembly using the same - Google Patents

Coupling device and display device assembly using the same Download PDF

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Publication number
JP2018097374A
JP2018097374A JP2018005253A JP2018005253A JP2018097374A JP 2018097374 A JP2018097374 A JP 2018097374A JP 2018005253 A JP2018005253 A JP 2018005253A JP 2018005253 A JP2018005253 A JP 2018005253A JP 2018097374 A JP2018097374 A JP 2018097374A
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Japan
Prior art keywords
hinge
hinge piece
display devices
display
fixed
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JP2018005253A
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Japanese (ja)
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JP2018097374A5 (en
Inventor
久晃 矢野
Hisaaki Yano
久晃 矢野
真鍋 申生
Nobuo Manabe
申生 真鍋
家村 浩俊
Hirotoshi Iemura
浩俊 家村
浩貴 重田
Hiroki Shigeta
浩貴 重田
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シャープ株式会社
Sharp Corp
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Priority to JP2018005253A priority Critical patent/JP2018097374A/en
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Publication of JP2018097374A5 publication Critical patent/JP2018097374A5/en
Application status is Pending legal-status Critical

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Abstract

A connecting device capable of reducing an occupied space and adjusting a gap between display devices and a display device assembly using the same are provided.
A plurality of attachment bodies 5a and 5b fixed to the back surface portions of the respective display devices 3a and 3b are rotatably connected around predetermined axes L1 to L3 by a connecting means 7, and are attached to the respective display surfaces. Movable members 9a and 9b that are movable in directions A1 and A2 orthogonal to predetermined axes L1 to L3 on a parallel plane are provided, and the movable members 9a and 9b are determined by hinge means 10 in predetermined axes L1 to L3. It is connected so as to be rotatable around, so that the bending angle between the display devices 3a and 3b can be freely set.
[Selection] Figure 1

Description

The present invention is advantageous for connecting a plurality of display devices (that is, display devices) for constructing a large screen for displaying various contents such as an electronic signage also called a digital signage. The present invention relates to a connecting device that can be implemented and a display device assembly using the connecting device.

  In recent years, on the walls of multi-use buildings, department stores, banks, hotels, amusement facilities, stations, airports, hospitals, museums, etc. Signboard systems are widespread.

  Such an electronic signage system uses a multi-display device that can connect a plurality of thin display devices represented by a liquid crystal display panel or the like to construct one large screen and display various images such as a stereoscopic image. It has been realized.

  A connecting device configured to rotatably connect a plurality of display devices and a display device assembly using the connecting device are described in, for example, Patent Document 1. In this prior art, the display panel unit is installed, stored, wired, etc., and the usage environment and the installation environment are improved. The plurality of display devices are connected to each other by hinges so that the angle can be adjusted and the display devices can be bent at an arbitrary angle.

JP 2010-54643 A

  In the above-described prior art, the display devices are connected by hinges, and the display devices can be bent at an arbitrary angle, but each display device cannot be folded in parallel like a folding screen, A large occupied space is required for transportation and storage. Further, there is a problem that the quality of the display effect of the signage content is deteriorated because the gap between the display devices cannot be adjusted depending on the bending angle.

  An object of the present invention is to provide a connecting device capable of reducing an occupied space and adjusting a gap between display devices and a display device assembly using the same.

The present invention relates to a connection in which two display devices arranged adjacent to each other are rotatably connected to an unfolded state in which the display devices are arranged in one direction and a folded state in which the display devices are alternately folded. A device,
A mounting body fixed to the back surface of each display device;
Coupling means for pivotally coupling each attachment body around a predetermined axis,
The connecting means includes
A pair of fixing members respectively fixed to each mounting body;
A pair of movable members provided on each fixed member so as to be movable in a direction orthogonal to the predetermined axis on a plane parallel to each display surface;
And a hinge means for connecting each movable member so as to be rotatable about the predetermined axis.

Further, the hinge means of the present invention includes a first hinge piece fixed to one movable member,
A second hinge piece fixed to the other movable member;
A third hinge piece, one end of which is connected to the first hinge piece so as to be rotatable around the predetermined axis;
A fourth hinge piece whose one end is connected to the second hinge piece so as to be rotatable around the predetermined axis;
A first hinge pin for connecting the first hinge piece and one end of the third hinge piece so as to be rotatable about the predetermined axis;
A second hinge pin that connects the second hinge piece and one end of the fourth hinge piece so as to be rotatable about the predetermined axis;
And a third hinge pin that rotatably connects the other end of the third hinge piece and the other end of the fourth hinge piece around the predetermined axis.

  In the present invention, the hinge means comprises a torsion spring having one end fixed to one movable member and the other end fixed to the other movable member.

  The present invention is the display device assembly, wherein the adjacent side portions of the plurality of display devices are connected by the connecting device.

  According to the present invention, the plurality of attachments respectively fixed to the back surface portion of each display device are connected by the connecting means so as to be rotatable around a predetermined axis, so that they are on a single plane parallel to each display surface. A movable member is moved in a direction orthogonal to the predetermined axis in step (b), each movable member is rotated around a predetermined axis by hinge means, and a bending angle between the respective display devices is freely set. Can be folded like a folding screen.

  As a result, the occupied space in the folded state can be reduced, and the storage property can be improved. Further, the position of each axis of the hinge means can be individually changed according to the bending angle of each display device, and thereby the gap between the display devices can be adjusted to optimize the display quality of the image.

  According to the invention, the hinge means includes the first to fourth hinge pieces and the first to third hinge pins, so that each display device can display each large angle range without interference. The relative angle between the devices can be adjusted.

  Further, according to the present invention, the hinge means is realized by a torsion spring, so that the side portions of the display devices adjacent to each other are always resiliently pressed by the spring force of the torsion spring. Regardless of the angle, the occurrence of a gap between the display devices can be prevented.

  According to the invention, a plurality of display devices are connected by the connecting device to form a display device assembly. Such a display device assembly can realize a large screen in the unfolded state, and in the folded state, each display device is folded into a state of being overlapped. It occupies less space during transportation and can improve convenience during storage and transportation.

It is a perspective view showing connecting device 1 of one embodiment of the present invention. 3 is a plan view of the hinge means 10. FIG. It is the front view which looked at the hinge means 10 from the downward direction of FIG. It is a top view which shows the state which opened the 3rd and 4th hinge pieces 13 and 14 regarding the 3rd axis line L3. It is a top view which shows the state which closed the 3rd and 4th hinge pieces 13 and 14 regarding the 3rd axis line L3. It is a top view which shows the state by which the three display apparatuses 3a-3c were connected by the connection apparatus 1 shown in FIG. It is a bottom view which shows the state by which the 1st-3rd display apparatus 3a-3c was folded. It is an enlarged bottom view of the vicinity of one connecting device 10a that connects the first and second display devices 3a, 3b. It is an enlarged bottom view near the other connecting device 10b that connects the second and third display devices 3b and 3c. It is a rear view which simplifies and shows the display apparatus assembly 30a which connected the three display apparatuses 3a-3c with the connecting apparatus 1 in the horizontal horizontal direction. It is a rear view which simplifies and shows the display apparatus assembly 30b of other embodiment of this invention with which the two display apparatuses 3a1 and 3b1 are connected by the connection apparatus 1. FIG. It is a rear view which simplifies and shows the display apparatus assembly 30c of other embodiment of this invention. It is a rear view which simplifies and shows the display apparatus assembly 30d of further another embodiment of this invention.

(First embodiment)
FIG. 1 is a perspective view showing a coupling device 1 according to an embodiment of the present invention. First, in order to explain the basic configuration, a case where two display devices 3a and 3b arranged adjacent to each other are connected will be described. In the coupling device 1 of the present embodiment, a plurality of display devices 3a and 3b having display surfaces 2a and 2b capable of displaying images are displayed in an unfolded state in which the display devices 3a and 3b are arranged in one direction, and the display devices 3a. , 3b are configured to be pivotably connected to a folded state folded so as to alternately overlap. Each display device 3a, 3b is realized by a thin liquid crystal display device, for example.

  The connecting device 1 includes a plurality of attachment bodies 5a and 5b fixed to the back surface portions 4a and 4b of the two display devices 3a and 3b arranged adjacent to each other, and the back surface portions 4a and 4b of the display devices 3a and 3b, respectively. Connecting means 7 for connecting the mounting bodies 5a and 5b fixed to 4b so as to be rotatable around at least one of the first axis L1, the second axis L2 and the third axis L3, which are predetermined axes. And comprising.

  The first to third axes L1, L2, and L3 are parallel. Each of the display devices 3a and 3b is installed at a predetermined installation position so that the first to third axis lines L1, L2, and L3 are substantially vertical when connected to each other by the connection device 1.

  The plurality of display devices 3a and 3b constitute a display system, and their predetermined positions are, for example, wall surfaces of multi-use buildings, department stores, banks, hotels, amusement facilities, stations, airports, hospitals, museums, etc. It is used as an electronic signage system, also called digital signage, which displays information by image and sound.

  Such an electronic signage system can connect a plurality of thin display devices represented by a liquid crystal display panel or the like to construct one large screen and perform various displays such as a stereoscopic image.

The connecting means 7 has a pair of fixing members 8a, fixed to the attachment bodies 5a, 5b, respectively.
8b and a pair of movable members provided on the fixed members 8a and 8b so as to be movable in directions A1 and A2 orthogonal to the axes L1, L2, and L3 on a plane parallel to the display surfaces 2a and 2b. 9a, 9b, and hinge means 10 for connecting the movable members 9a, 9b so as to be rotatable about the respective axes L1, L2, L3.

  2 is a plan view of the hinge means 10, FIG. 3 is a front view of the hinge means 10 as viewed from below in FIG. 2, and FIG. 4 shows the third and fourth hinge pieces 13, 14 at the third axis L3. FIG. 5 is a plan view showing a state in which the third and fourth hinge pieces 13 and 14 are closed with respect to the third axis L3.

  The hinge means 10 includes a first hinge piece 11 fixed to one movable member 9 a, a second hinge piece 12 fixed to the other movable member 9 b, one end to the first hinge piece 11, and a first hinge piece 11. A third hinge piece 13 rotatably connected about the axis L1, a first hinge piece 14 having one end connected to the second hinge piece 12 and rotatable about the second axis L2, and a first A first hinge pin 15 that connects one end of the hinge piece 11 and the third hinge piece 13 so as to be rotatable around the first axis L1, and one end of the second hinge piece 12 and the fourth hinge piece 14 The second hinge pin 16 that is rotatably connected around the second axis L2, the other end of the third hinge piece 13, and the other end of the fourth hinge piece 14 are rotatable about the third axis L3. And a third hinge pin 17 to be connected.

  As described above, the hinge means 10 has a three-axis structure, the hinge pieces 11 and 12 at both ends are fixed to the movable members 9a and 9b, and can be slid in the directions A1 and A2 perpendicular to the respective axes L1, L2, and L3. The configuration.

  With this configuration, the bending angle between the display devices 3a and 3b can be freely set within an angle range of 360 degrees, and the plurality of display devices 3a and 3b can be folded like a folding screen. Without interfering with each other, the relative angle between the display devices 3a and 3b can be adjusted within a large angle range.

  As a result, the occupied space in the folded state can be reduced, and the storage property can be improved. Moreover, the position of each axis | shaft L1, L2, L3 of the hinge means 10 can be changed separately according to the bending angle of each display apparatus 3a, 3b, and thereby the gap between each display apparatus 3a, 3b is minimized. can do.

  Each movable member 9a, 9b is formed with a guide long hole 21 extending in a straight line in the directions of the arrows A1, A2. The movable members 9a and 9b are moved in the directions of arrows A1 and A2 with respect to the fixed members 8a and 8b by bolts 20 and nuts (not shown) into which the shaft portions of the bolts 20 are screwed. Can be positioned and fixed. The nuts (not shown) are arranged between the fixing members 8a and 8b and the mounting bodies 5a and 5b. The movable members 9a and 9b and the fixing members 8a, 8b, the displacement of the movable members 9a and 9b in the directions of the arrows A1 and A2 with respect to the fixed members 8a and 8b is prevented, and the movable members 9a and 9b are fixed at arbitrary positions as described above.

  Each movable member 9a, 9b and each fixed member 8a, 8b are made of a short material having a substantially concave cross section. The materials of the movable members 9a and 9b and the fixed members 8a and 8b may be made of a material that is lightweight, high in strength, and high in wear resistance, such as an aluminum alloy.

Each mounting body 5a, 5b is formed of a rectangular plate-like body that is retracted inward of the rear surfaces 4a, 4b of the display devices 3a, 3b, and is parallel to the directions of arrows A1, A2 in order to increase bending rigidity. A reinforcing portion (not shown) having a convex cross section extending in the longitudinal direction is formed. The material of each attachment 5a, 5b may be made of a material that is lightweight, high in strength, and high in wear resistance, such as an aluminum alloy.

  FIG. 6 is a plan view showing a state where the three display devices 3a to 3c are connected by the connecting device 1 shown in FIG. The parts corresponding to those in FIG. 1 will be described by adding the suffixes a, b, and c to the same numerals. The three display devices 3 a to 3 c are connected to each other so that the display devices 3 a to 3 c adjacent to each other can be rotated by the connecting device 1 described above. That is, each of the display devices 3a to 3c has the left side portions as one side portions 3a1, 3b1, and 3c1, and the right side portion as other side portions 3a2, 3b2, and 3c2, when the display surfaces 2a to 2c are viewed from the front. Then, the other side portion 3a2 of the first display device 3a and the one side portion 3b1 of the second display device 3b are connected, and the other side portion 3b2 of the second display device 3b and the one side portion 3c1 of the third display device 3c. And are connected.

  Virtual vertical planes B1, B2, and B3 including normal lines of the display surfaces 2a, 2b, and 2c are the center that bisects the display surface 2a of the first display device 3a and the display surface 2b of the second display device 3b. The angles θ1, θ2 on the virtual one horizontal plane with respect to the virtual vertical plane B4 and the central virtual vertical plane B5 that bisects the display surface 2b of the second display device 3b and the display surface 2c of the third display device 3c. , Θ3, θ4.

  By moving the movable members 9a and 9b in the directions of arrows A1 and A2 with respect to the fixed members 8a and 8b, the angles θ1 to θ4 are individually changed, whereby the display surfaces 2a, 2b, and 2c are changed. It is possible to set the direction facing the viewer as an optimum direction according to the usage environment such as installation, storage, wiring, and the installation environment.

  7 is a bottom view showing a state in which the first to third display devices 3a to 3c are folded, and FIG. 8 is a view of the vicinity of one connecting device 10a for connecting the first and second display devices 3a and 3b. FIG. 9 is an enlarged bottom view, and FIG. 9 is an enlarged bottom view of the vicinity of the other connecting device 10b for connecting the second and third display devices 3b and 3c.

  In the state where the first to third display devices 3a to 3c are folded in parallel with each other, the movable member 9a provided on the attachment body 5a of the first display device 3a and the attachment body of the second display device 3b. The movable member 9b provided in 5b is disposed at a position facing and close to each other without interfering with each other by one hinge means 10a.

  In one hinge means 10a, the second hinge pin 17 is disposed inside the first and second hinge pins 15 and 16, that is, between the movable members 9a and 9b, and the third and fourth hinge pieces 13 and 14 are movable. It is retracted in the space between the members 9a and 9b.

  Further, the movable member 9b provided on the attachment body 5b of the second display device 3b and the movable member 9c provided on the attachment body 5c of the third display device 3c are mutually connected by the second and third hinge means 10b. It arrange | positions in the state which faced the direction which leaves | separates across the display apparatuses 3b and 3c.

  The other hinge means 10b includes the first to third hinge pins 15 to 17, and the movable members 9a and 9b, the other side 3b2 of the second display device 3b, and the one side 3c1 of the third display 3c. (Right side of FIG. 7) is exposed and arranged. In this state, the axis lines L1 to L3 of the first to third hinge pins 15 to 17 are arranged in parallel on a virtual one plane.

  When the first to third display devices 3a to 3c are folded in parallel with each other in this way, the first to third display devices 3a to 3c of the movable members 9a and 9b and the hinge means 10a and 10b are folded. Since the amount of protrusion from the container can be extremely small, it is possible to realize a display system that requires less space during transportation and storage and is excellent in handling convenience.

  Moreover, each movable member 9a-9c is moved to arrow A1, A2 direction with respect to each fixed member 8a-8c, and the display quality of the image displayed by each display surface 2a-2c of each display apparatus 3a-3c is displayed. Can be adjusted so that the gap between the display devices 3a to 3c is eliminated, for example, the gap is eliminated.

(Second Embodiment)
In another embodiment of the present invention, the hinge means 10 may be realized by a torsion spring having one end fixed to one movable member 9a and the other end fixed to the other movable member 9b. Thus, by making each movable member 9a, 9b connect with the torsion spring, the respective side portions of the display devices 3a to 3c adjacent to each other are elastically pressed by the spring force of the torsion spring. Regardless of the angles θ1 to θ4 between the display devices 3a to 3c, it is possible to always prevent the generation of a gap.

(Third embodiment)
In each of the above-described embodiments, the three-axis hinge means 10 has been described. However, in other embodiments of the present invention, not only the three-axis hinge means but also a multi-axis hinge means having four or more axes is adopted. May be. Even when such a configuration is adopted, the same effect as that obtained when the above-described triaxial hinge means 10 is used can be achieved.

  FIG. 10A is a rear view schematically showing a display device assembly 30a in which three display devices 3a to 3c are connected in the horizontal horizontal direction by the connecting device 1 of each of the above-described embodiments, and FIG. It is a rear view which simplifies and shows the display apparatus assembly 30b of other embodiment of this invention with which the display apparatuses 3a1 and 3b1 of this are connected by the connection apparatus 1. FIG. Note that the same reference numerals are given to portions corresponding to the above-described embodiment. In the above-described embodiment, the configuration in which the three display devices 3a to 3c are connected in the expanded state by connecting the two upper and lower portions of the side portions adjacent to each other by the connecting device 1 is described. In another embodiment, a display device assembly 30b in which the side portions adjacent to each other of the two display devices 3a1 and 3b1 are connected by the connecting device 1 at two upper and lower positions is realized. Also in such a display device assembly 30b, as in the above-described embodiments, a large screen is realized in the unfolded state, and an occupied space is reduced in the folded state, thereby improving convenience during storage and transportation. Can be improved.

(Fifth embodiment)
FIG. 10C is a rear view schematically showing a display device assembly 30c according to another embodiment of the present invention. In the present embodiment, the display device assemblies 30a and 30b of the above-described embodiment are smaller than the display device assemblies 30a and 30b. The upper and lower two stages are configured to be connected by the connecting device 1. According to such a display device assembly 30c, a horizontally large screen can be realized in the unfolded state, and an occupied space can be reduced in the folded state to improve convenience during storage and transportation. it can.

(Sixth embodiment)
FIG. 10D is a rear view schematically showing a display device assembly 30d according to still another embodiment of the present invention. In the present embodiment, each side of the five display devices 3a3 to 3e3 adjacent to each other on the long side is connected by the connecting device 1 to connect the three ends of the long side direction at both ends and the central portion. Is done. With such a configuration, as in the above-described embodiments, a large screen is realized in the unfolded state, and an occupied space is reduced in the folded state to improve convenience during storage and transportation. can do.

DESCRIPTION OF SYMBOLS 1 Connection apparatus 2a, 2b, 2c Display surface 3a, 3b, 3c Display apparatus 4a, 4b, 4c Back surface part 5a, 5b, 5c Mounting body 7 Connection means 8a, 8b Fixed member 9a, 9b Movable member 10; 10a, 10b Hinge Means 11 First hinge piece 12 Second hinge piece 13 Third hinge piece 14 Fourth hinge piece 15 First hinge pin 16 Second hinge pin 17 Third hinge pin 20 Bolt 21 Guide long hole L1 First axis L2 Second axis L3 Third Axis

Claims (4)

  1. A connecting device that rotatably couples two display devices arranged adjacent to each other into an unfolded state arranged in one direction and a folded state in which the respective display devices are alternately folded. ,
    A mounting body fixed to the back surface of each display device;
    Coupling means for pivotally coupling each attachment body around a predetermined axis,
    The connecting means includes
    A pair of fixing members respectively fixed to each mounting body;
    A pair of movable members provided on each fixed member so as to be movable in a direction orthogonal to the predetermined axis on a plane parallel to each display surface;
    And a hinge means for connecting each movable member so as to be rotatable about the predetermined axis.
  2. The hinge means is
    A first hinge piece fixed to one movable member;
    A second hinge piece fixed to the other movable member;
    A third hinge piece, one end of which is connected to the first hinge piece so as to be rotatable around the predetermined axis;
    A fourth hinge piece whose one end is connected to the second hinge piece so as to be rotatable around the predetermined axis;
    A first hinge pin for connecting the first hinge piece and one end of the third hinge piece so as to be rotatable about the predetermined axis;
    A second hinge pin that connects the second hinge piece and one end of the fourth hinge piece so as to be rotatable about the predetermined axis;
    The third hinge pin for connecting the other end portion of the third hinge piece and the other end portion of the fourth hinge piece so as to be rotatable about the predetermined axis line. Connecting device.
  3.   The coupling device according to claim 1, wherein the hinge means comprises a torsion spring having one end fixed to one movable member and the other end fixed to the other movable member.
  4.   A display device assembly, wherein the adjacent side portions of a plurality of display devices are connected by the connecting device according to claim 1.
JP2018005253A 2018-01-17 2018-01-17 Coupling device and display device assembly using the same Pending JP2018097374A (en)

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JPS5425150Y1 (en) * 1974-11-08 1979-08-23
JPS6068165U (en) * 1983-10-14 1985-05-15
JPS6389078U (en) * 1986-11-28 1988-06-09
JPS63192586U (en) * 1987-05-30 1988-12-12
JPH0363223U (en) * 1989-10-18 1991-06-20
JPH0569780U (en) * 1992-02-21 1993-09-21 スタンレー電気株式会社 Chassis structure of a display device
JP2007515840A (en) * 2004-06-03 2007-06-14 コステル カンパニー リミテッド Embedded multi-functional television receiver
WO2009118817A1 (en) * 2008-03-25 2009-10-01 富士通株式会社 Display apparatus
JP2010054643A (en) * 2008-08-27 2010-03-11 Sharp Corp Display system
US20100079355A1 (en) * 2008-09-08 2010-04-01 Qualcomm Incorporated Multi-panel device with configurable interface
US20130010405A1 (en) * 2011-07-06 2013-01-10 Rothkopf Fletcher R Flexible display devices
US20130187833A1 (en) * 2010-07-09 2013-07-25 Si-han Kim Portable display device
JP2015043078A (en) * 2013-07-22 2015-03-05 株式会社半導体エネルギー研究所 Light-emitting device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425150Y1 (en) * 1974-11-08 1979-08-23
JPS6068165U (en) * 1983-10-14 1985-05-15
JPS6389078U (en) * 1986-11-28 1988-06-09
JPS63192586U (en) * 1987-05-30 1988-12-12
JPH0363223U (en) * 1989-10-18 1991-06-20
JPH0569780U (en) * 1992-02-21 1993-09-21 スタンレー電気株式会社 Chassis structure of a display device
JP2007515840A (en) * 2004-06-03 2007-06-14 コステル カンパニー リミテッド Embedded multi-functional television receiver
WO2009118817A1 (en) * 2008-03-25 2009-10-01 富士通株式会社 Display apparatus
JP2010054643A (en) * 2008-08-27 2010-03-11 Sharp Corp Display system
US20100079355A1 (en) * 2008-09-08 2010-04-01 Qualcomm Incorporated Multi-panel device with configurable interface
JP2012502321A (en) * 2008-09-08 2012-01-26 クゥアルコム・インコーポレイテッドQualcomm Incorporated Multi-panel device with configurable interface
US20130187833A1 (en) * 2010-07-09 2013-07-25 Si-han Kim Portable display device
US20130010405A1 (en) * 2011-07-06 2013-01-10 Rothkopf Fletcher R Flexible display devices
JP2015043078A (en) * 2013-07-22 2015-03-05 株式会社半導体エネルギー研究所 Light-emitting device

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