WO2016080239A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2016080239A1 WO2016080239A1 PCT/JP2015/081563 JP2015081563W WO2016080239A1 WO 2016080239 A1 WO2016080239 A1 WO 2016080239A1 JP 2015081563 W JP2015081563 W JP 2015081563W WO 2016080239 A1 WO2016080239 A1 WO 2016080239A1
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- WO
- WIPO (PCT)
- Prior art keywords
- display device
- support member
- connection plate
- display panel
- housing
- Prior art date
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Classifications
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- 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
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- 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
- G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
-
- 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
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
Definitions
- the present invention relates to a foldable display device.
- Patent Documents 1 and 2 a fold in which a first housing having a first display device and a second housing having a second display device are connected so as to be foldable openable / closable around a hinge portion.
- Type mobile terminals are described.
- Patent Document 3 discloses a display device including first to third housings, and a single flexible display provided between the second housing and the third housing.
- the first housing is a housing for an electronic circuit.
- the first casing and the second casing are foldably connected via a hinge portion.
- the second housing and the third housing are made of plastic, and are connected via an extendable hinge portion in which side walls on both sides are formed in a bellows cross section and the inside is formed in a cavity. .
- the first housing and the second housing are overlapped with each other and the first housing is folded between the second housing and the third housing. It is described. Accordingly, it is described that the display provided over the second casing and the third casing can be prevented from being bent at an acute angle, and the durability of the display can be ensured for a long period of time.
- Patent Document 4 includes two housings that are foldably connected via a hinge unit, a flexible display unit such as an organic EL display panel, and an elastic sheet member disposed on the back side of the display unit.
- a display device is disclosed.
- the elastic sheet member is fixed to one housing and provided slidable with respect to the other housing, thereby releasing bending stress accompanying folding of the mobile phone and protecting the display unit. Has been.
- the display device described in Patent Document 3 requires a first housing that is not involved in the display folding structure, the area of the non-display area becomes large as a whole display device. Further, in the display device described in Patent Document 3, the user can see the hinge portions of the first housing and the second housing, which cannot be said to be excellent in terms of beauty. Furthermore, it is unclear whether the second housing and the third housing can be connected while maintaining sufficient strength by the plastic hollow bellows.
- the display device described in Patent Document 4 a display storage portion is required, so that the area of the non-display area becomes large as a whole display device.
- the display device described in Patent Document 4 cannot be said to be excellent in terms of aesthetics because the user can see the hinge portion during use.
- An object of the present invention is to obtain a foldable display device that has a seamless display, has a large display area, has an excellent aesthetic appearance, and is suppressed from wrinkling when folded.
- the display device of the present invention includes a foldable casing unit and a flexible display panel.
- the housing unit includes a long connecting plate, a flat plate-like first support member coupled to one of the long sides of the connecting plate via a first hinge portion, and a second plate on the other of the long sides of the connecting plate. And a flat plate-like second support member that is connected via a hinge portion and is capable of changing the size in the direction perpendicular to the longitudinal direction of the connection plate.
- the first support member, the connection plate, and the second support member are on the same plane and in the longitudinal direction of the connection plate. They are arranged side by side in the vertical direction.
- the size of the second support member in the direction perpendicular to the longitudinal direction of the connecting plate is in the state in which the case unit is opened.
- the display panel is accommodated in a space surrounded by the first and second support members and the connection plate.
- a foldable display device that has a seamless display, has a large display area, has an excellent aesthetic appearance, and is suppressed from wrinkling when folded.
- FIG. 1 is a perspective view of the display device in a closed state.
- FIG. 2 is a perspective view of the display device in a closed state.
- 3 is a cross-sectional view taken along line III-III in FIG.
- FIG. 4 is a perspective view of the display device in an open state.
- FIG. 5 is a perspective view of the display device in an open state.
- 6 is a cross-sectional view taken along line VI-VI in FIG.
- FIG. 7 is a perspective view of the display device in a fully opened state.
- FIG. 8 is a plan view of the display device in a fully opened state.
- FIG. 9 is a plan view of the display device in a fully opened state.
- 10 is a cross-sectional view taken along line XX of FIG. FIG.
- FIG. 11 is a plan view of the lower housing. 12 is a cross-sectional view taken along line XII-XII in FIG.
- FIG. 13 is a plan view of the upper housing in a state where the size in the y direction is maximum.
- FIG. 14 is a plan view of the first member.
- FIG. 15 is a plan view of the second member.
- 16 is a cross-sectional view of the upper housing in FIG. 13 in the xy plane direction.
- 17 is a cross-sectional view taken along line XVII-XVII in FIG. 18 is a cross-sectional view taken along line XVIII-XVIII in FIG. 19 is a cross-sectional view taken along line XIX-XIX in FIG.
- FIG. 20 is a plan view of the upper housing in a state where the size in the y direction is minimum.
- 21 is a cross-sectional view of the upper housing in FIG. 20 in the xy plane direction.
- 22 is a cross-sectional view taken along line XXII-XXII in FIG. 23 is a cross-sectional view taken along line XXIII-XXIII in FIG. 24 is a cross-sectional view taken along line XXIV-XXIV in FIG.
- FIG. 25 is a cross-sectional view of the display panel.
- FIG. 26A is a schematic plan view of the upper casing of the present embodiment
- FIGS. 26B and 26C are schematic plan views of the upper casing according to the modification.
- FIG. 27 is a plan view of the display device according to the second embodiment in a fully opened state.
- FIG. 28 is a perspective view of the display device according to the second embodiment in an open state.
- FIG. 29 is a plan view of a display device according to a modification of the second embodiment in a fully opened state.
- the display device of the present invention is a display device including a foldable casing unit and a flexible display panel.
- the housing unit includes a long connecting plate, a flat plate-like first support member coupled to one of the long sides of the connecting plate via a first hinge portion, and a second plate on the other of the long sides of the connecting plate. And a flat plate-like second support member that is connected via a hinge portion and is capable of changing the size in the direction perpendicular to the longitudinal direction of the connection plate.
- the display panel is accommodated in a space surrounded by the first and second support members and the connection plate (first configuration).
- the display device is opened and the first support member, the connection plate, and the first In a state where the two support members are positioned on the same plane, by shortening the length of the second support member, the sum of the lengths of the first support member, the connection plate, and the second support member, and the display panel
- the length can be made substantially the same.
- the display panel can be bent so as not to follow the corner of the bent portion of the housing unit. Since the display panel is bent so as not to follow the corner of the housing unit, the display panel can have a curvature necessary for bending, and the display panel can be prevented from wrinkling.
- the folding display device can be realized in a state in which the display panel is prevented from wrinkling even when the display device is in the open state or in the closed state.
- a seamless display can be realized by a single display panel.
- an excellent aesthetic display can be obtained in a state in which a connecting portion such as a connecting plate that connects the first support member and the second support member is hidden.
- a single display panel can perform seamless display, a large display area with respect to the size of the housing unit can be secured.
- the second support member in the first configuration, includes a first member coupled to the other of the long sides of the connection plate via the second hinge portion, and the first member. And a second member that is coupled to the first member and arranged in the same plane as the first member.
- the display device of the second configuration has a size in a direction perpendicular to the longitudinal direction of the connection plate of the second support member by changing the distance between the first member and the second member due to expansion and contraction of the elastic member. Changes.
- the size of the second support member in the direction perpendicular to the longitudinal direction of the connection plate can be changed by expansion and contraction of the elastic member without a complicated configuration.
- the display panel in the second configuration, is fixed to the first support member and the second member.
- the second support member is perpendicular to the longitudinal direction of the connection plate by relatively moving the first member and the display panel.
- the size of the direction will be changed.
- the elastic force of the elastic member changes to change the relative position of the first member with respect to the display panel.
- the length of the support member changes.
- the housing unit can be opened and closed without the display panel protruding from the housing unit.
- one of the first member and the second member has a concave portion that accommodates a part of the other of the first member and the second member. Is formed.
- the size of the second support member in the direction perpendicular to the longitudinal direction of the connection plate changes as the depth in which the other is accommodated in the recess changes.
- the first member and the second member can be regulated so that they are positioned in the same plane.
- the recess is formed in the second member in the fourth configuration.
- the surface of the second support member is configured by the second member in the portion where the first member is accommodated in the recess of the second member. can do. Therefore, a large area for fixing the second member and the display panel can be secured.
- the size in the direction perpendicular to the longitudinal direction of the connection plate of the first member is set in the direction perpendicular to the longitudinal direction of the connection plate of the second member. Smaller than size.
- the size of the first member in the direction perpendicular to the longitudinal direction of the connection plate is smaller than the size of the second member in the direction perpendicular to the longitudinal direction of the connection plate. A large area for fixing the display panel can be secured.
- the maximum value of the length of the second support member in the direction perpendicular to the longitudinal direction of the connection plate is the first value.
- the length is substantially the same as the length of the support member.
- the display device since the maximum value of the length of the second support member is substantially the same as the length of the first support member in the direction perpendicular to the longitudinal direction of the connection plate, the display device is folded.
- the end portions of the first support member and the end portions of the second support member can be opposed to each other.
- the sum of the lengths is substantially the same as the length of the first support member.
- the minimum length of the second support member and the sum of the lengths of the connection plates are substantially the same as the length of the first support member. Therefore, in the open state of the display device in which the first support member, the connection plate, and the second support member are arranged on the same plane, the lengths of the first support member, the connection plate, the second support member, and the display panel are set. Can be aligned.
- the display device having the ninth configuration of the present invention is suitable for a flexible organic EL display panel.
- the flexible organic EL display panel has excellent flexibility, the display panel can be bent with a small curvature. Therefore, according to the ninth configuration, the thickness when the display device is folded can be reduced.
- a display device having a tenth configuration includes a foldable casing unit and a flexible display panel.
- the housing unit includes a long connecting plate, a flat plate-like first support member coupled to one of the long sides of the connecting plate via a first hinge portion, and a long side of the connecting plate. And a flat plate-like second support member that is connected to the other via a second hinge portion and is capable of changing the size in the direction perpendicular to the longitudinal direction of the connection plate.
- the second support member includes a first member coupled to the other of the long sides of the connection plate via a second hinge portion, and a second member disposed on the same plane as the first member. .
- a recess is formed in one of the first member and the second member to accommodate a part of the other of the first member and the second member. The inner wall surface of the recess and the other part are connected by an elastic member.
- the second support member is connected to the other of the long sides of the connection plate via the second hinge portion, and the second member is arranged in the same plane as the first member.
- a recess is formed in one of the first member and the second member to accommodate the other part of the first member and the second member, and an inner wall surface of the recess and the other of the other Since the portions are connected by an elastic member, the size in the direction perpendicular to the longitudinal direction of the connection plate of the second support member can be changed. Therefore, in a state where the housing unit is opened so that the first support member and the second support member are aligned on the same plane, the first support member, the connection plate, and the second support member are on the same plane and the length of the connection plate.
- the display panel is accommodated in a space surrounded by the first and second support members and the connection plate. Therefore, the display panel can be bent so as not to follow the corner of the bent portion of the housing unit. Since the display panel is bent so as not to follow the corner of the housing unit, the display panel can have a curvature necessary for bending, and the display panel can be prevented from wrinkling.
- the foldable display device can be realized in a state in which the display panel is prevented from wrinkling as described above, the first support member and the second support member are separated.
- a seamless display can be realized by a single display panel without providing a display panel.
- a seamless display can be performed by a single display panel, an excellent aesthetic display can be obtained in a state in which a connecting portion such as a connecting plate that connects the first support member and the second support member is hidden.
- a single display panel can perform seamless display, a large display area with respect to the size of the housing unit can be secured.
- Display device 1 to 10 show a display device 10 according to the first embodiment.
- the display device 10 includes a housing unit 100 and a display panel 200.
- the housing unit 100 is foldable, the housing unit 100 is folded as shown in FIGS. 1 to 3, the housing unit 100 is opened as shown in FIGS. 4 to 6, and FIG.
- the casing unit 100 as shown in FIG. 10 can be transformed into a fully opened state.
- 1, 2, 4, 5, and 7 are perspective views of the display device 10.
- 3 is a cross-sectional view taken along line III-III in FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 8 and 9 are plan views of the display device 10.
- 10 is a cross-sectional view taken along line XX of FIG.
- the display device 10 of FIG. 1 has a size of, for example, about A4 size in a state where the housing unit 100 is fully opened as shown in FIGS.
- the housing unit 100 includes a lower housing 110 (first support member), an upper housing 120 (second support member), and a connection plate 130.
- the lower housing 110 is a substantially rectangular flat plate member.
- the upper housing 120 is a substantially rectangular flat plate member.
- the connection plate 130 is a plate-like member having a long rectangular shape.
- the lower housing 110 is coupled to one long side 130 a of the connection plate 130 via a first hinge portion 141. Thereby, the connection plate 130 is rotatable with respect to the lower housing 110.
- the upper housing 120 is coupled to the other long side 130 b of the connection plate 130 via the second hinge portion 142. Thereby, the upper housing 120 is rotatable with respect to the connection plate 130.
- the lower casing 110 and the connection plate 130 are connected by the first hinge part 141, and the connection plate 130 and the upper casing 120 are connected by the second hinge part 142.
- connection plate 130 is the x direction
- the upper housing 120 is disposed in the xy plane
- the thickness direction of the upper housing 120 is the z direction.
- the lower housing 110 and the upper housing 120 are arranged to face each other in the closed state shown in FIGS.
- the connection plate 130 stands up in the thickness direction (substantially z direction) of the lower casing 110 and the upper casing 120 in order to ensure the thickness between the lower casing 110 and the upper casing 120. ing.
- FIGS. 4 to 6 show a state in which the display device 10 is opened so that the lower housing 110 and the upper housing 120 form an angle of, for example, about 120 degrees (see ⁇ 2 in FIGS. 4 and 5). .
- this state for example, by displaying a keyboard (not shown) on a portion 200A of the display panel 200 that contacts the lower casing 110, the user can use the display device 10 as a notebook PC type device. .
- the lower casing 110, the connection plate 130, and the upper casing 120 are arranged so as to be aligned on the same plane (in the xy plane) in the open state shown in FIGS. In this state, the user can use the display device 10 as a tablet terminal type device.
- FIGS. 11 and 12 are a plan view and a cross-sectional view of the lower housing 110.
- FIG. As shown in FIGS. 11 and 12, the lower housing 110 incorporates a drive circuit board 310 and a battery 320.
- the drive circuit board 310 is electrically connected to the wiring layer 213 (see FIG. 25) provided on the display panel 200 via the flexible printed board 330.
- the battery 320 is electrically connected to the drive circuit board 310 via the flexible printed board 340.
- a U-shaped notch 111 for connecting to one side 130 a of the connection plate 130 is formed on the side 110 a on the connection plate 130 side of the lower housing 110.
- the notch 111 is formed with a hole along the x direction, and serves as a first hinge mounting portion 141a into which the first hinge portion 141 can be inserted.
- FIG. 13 is a plan view of the upper housing 120.
- the upper housing 120 includes a first member 1210 and a second member 1220.
- the first member 1210 and the second member 1220 are both rectangular and have a substantially uniform thickness.
- the first member 1210 and the second member 1220 are disposed in the xy plane.
- the first member 1210 is movable relative to the second member 1220 in the y direction. Thereby, the magnitude
- the upper housing 120 is connected to the connection plate 130 at the first member 1210. Note that FIG. 13 shows a state where the size in the y direction is maximum.
- the first member 1210 includes a main portion 1211 and an extended portion 1212.
- the main portion 1211 and the extended portion 1212 are fixed with screws 1213.
- the main portion 1211 is an elongated rectangular flat plate having a thickness in the z direction as a whole.
- the size of the main portion 1211 in the x direction is the same as the size of the first member 1210 in the x direction.
- the size (thickness) of the main portion 1211 in the z direction is the same as the size (thickness) of the upper housing 120 in the z direction.
- a surface 1211a including a side in the y direction of the main portion 1211 constitutes a surface along the yz plane of the upper housing 120.
- a U-shaped notch 1211c is formed on a surface 1211b including a side to which the connection plate 130 is coupled among the sides extending in the x direction of the main portion 1211 when the main portion 1211 is viewed on the xy plane.
- the notch 1211c is formed with a hole along the x direction, and serves as a second hinge mounting portion 142a into which the second hinge portion 142 can be inserted.
- the extended portion 1212 is a member protruding from the surface 1211 d on the second member 1220 side of the main portion 1211.
- the elongated portion 1212 is rectangular and has a substantially uniform thickness in the z direction.
- the extended portion 1212 is formed so as to be inserted into a first member housing portion 1222 of a second member 1220 described later.
- a spring mounting hole 1214 is formed in the extended portion 1212.
- the spring mounting hole 1214 is formed from the end surface 1212a on the second member 1220 side of the extended portion 1212 toward the main portion 1211.
- the shape of the spring mounting hole 1214 is a columnar shape with a circular cross section into which a spring 123 described later can be inserted.
- One end 123a of the spring 123 is fixedly attached to the bottom 1214a of the spring attachment hole 1214 (see FIG. 13).
- two to four spring mounting holes 1214 are formed.
- a shaft hole 1215 is formed in the extended portion 1212.
- the shaft hole 1215 is formed so as to penetrate from the end surface 1212a on the second member 1220 side of the extended portion 1212 to the end surface 1212b on the main portion 1211 side.
- the shape of the shaft hole 1215 is a columnar shape having a circular cross section into which one end 124a of a shaft 124 described later can be inserted.
- the shaft hole 1215 has a step 1215a on the inner wall surface of the hole while reaching the end surface 1212b on the main portion 1211 side from the end surface 1212a on the second member 1220 side. Thereby, the diameter of the shaft hole 1215 in the end surface 1212b of the extended part 1212 is larger than the diameter of the shaft hole 1215 in the end surface 1212a.
- two to four shaft holes 1215 are formed.
- a first member accommodating portion 1222 is formed in the second member 1220 as a space for accommodating the elongated portion 1212 of the first member 1210.
- the 1st member accommodating part 1222 is a rectangular flat plate shape as a whole.
- the size (width) of the first member housing portion 1222 in the x direction on the end surface 1220a of the second member 1220 is equal to or larger than the size of the elongated portion 1212 in the x direction. Further, the size (depth) of the first member housing portion 1222 in the y direction is equal to or larger than the size of the elongated portion 1212 in the y direction. Therefore, the first member accommodating portion 1222 can accommodate the elongated portion 1212 of the first member 1210. As the size (depth) in the y direction in which the first member 1210 is accommodated in the first member accommodating portion 1222 is changed, the size in the y direction of the entire upper housing 120 is variable.
- a spring mounting portion 1223 is formed on a surface 1222a farthest from the end surface 1220a of the second member 1220 in the inner wall of the first member housing portion 1222.
- the spring mounting portion 1223 has a columnar shape that protrudes from the inner wall surface 1222 a of the first member housing portion 1222 toward the first member 1210.
- the other end 123b of a spring 123 described later is fixedly attached to the tip 1223a of the spring attachment portion 1223 (see FIG. 13).
- two to four spring mounting portions 1223 are formed on the inner wall surface 1222a of the first member housing portion 1222.
- the spring mounting portion 1223 is formed corresponding to the spring mounting hole 1214 of the first member 1210.
- a shaft mounting portion 1224 is formed on the inner wall surface 1222a of the first member housing portion 1222.
- the shaft attachment portion 1224 is formed on the inner wall surface 1222 a of the first member housing portion 1222.
- the shaft attachment portion 1224 is a recess formed in the inner wall surface 1222 a of the first member housing portion 1222.
- the shaft attachment portion 1224 can accommodate the other end 124b of the shaft 124, which will be described later, and can fix the other end 124b of the shaft 124.
- the shaft 124 may be fixed by engaging the inner diameter of the concave portion constituting the shaft attachment portion 1224 and the other end 124b of the shaft 124 so that they are substantially the same, or the other end 124b of the shaft 124 by an adhesive member or the like.
- the shaft mounting portion 1224 may be bonded together.
- two to four shaft mounting portions 1224 are formed on the inner wall surface 1222a of the first member housing portion 1222.
- the shaft attachment portion 1224 is formed corresponding to the shaft hole 1215 of the first member 1210.
- FIG. 16 shows a cross section of the upper housing 120 shown in FIG. 13 in the xy plane direction.
- 17 is a cross-sectional view of the lower housing 110 in the yz plane direction along the line XVII-XVII in FIG. 18 is a cross-sectional view of the lower casing 110 in the yz plane direction along the line XVIII-XVIII in FIG.
- FIG. 19 is a cross-sectional view of the lower housing 110 in the yz plane direction along the line XIX-XIX in FIG.
- FIG. 20 is a plan view showing a state in which the size of the upper housing 120 in the y direction is minimum.
- 21 shows a cross section of the upper housing 120 shown in FIG. 20 in the xy plane direction.
- 22 is a cross-sectional view of the lower housing 110 in the yz plane direction along the line XXII-XXII in FIG. 23 is a cross-sectional view of the lower housing 110 in the yz plane direction along the line XXIII-XXIII in FIG. 24 is a cross-sectional view of the lower housing 110 in the yz plane direction along the line XXIV-XXIV in FIG.
- one end 123 a of the spring 123 is inserted into the spring mounting hole 1214 of the first member 1210 and is fixed to the bottom 1214 a of the spring mounting hole 1214.
- the other end 123 b of the spring 123 is fixed to the spring mounting portion 1223 of the second member 1220.
- the one end 124a of the shaft 124 is inserted into the shaft hole 1215 of the first member 1210 as shown in FIG.
- the other end 124 b of the shaft 124 is fixed to the shaft attachment portion 1224 of the second member 1220. Thereby, the relative movement direction of the first member 1210 and the second member 1220 is restricted to the y direction.
- a step 124c is formed on the side surface of the shaft 124 at a position from the center in the y direction toward the one end 124a. Thereby, the diameter of the one end 124a of the shaft 124 is larger than the diameter of the other end 124b of the shaft 124.
- a step 124 c on the side surface of the shaft 124 is positioned so as to engage with a step 1215 a formed in the shaft hole 1215. Accordingly, the shaft 124 does not fall out of the shaft hole 1215 (see FIGS. 13, 16, and 19), and the relative movement distance between the first member 1210 and the second member 1220 is limited.
- the spring 123 extends to separate the first member 1210 and the second member 1220. (See especially FIG. 18). Note that the maximum value of the extension of the spring 123 is the size when the step 1215a of the shaft hole 1215 and the step 124c of the shaft 124 come into contact with each other.
- the lower housing 110 and the upper housing 120 may be designed to become thinner toward the peripheral edge of the housing.
- the design may have a uniform thickness.
- a cushioning material may be provided in a portion where the lower housing 110 and the upper housing 120 face each other (the peripheral portion of the region to which the display panel 200 is attached) in a state where they are in contact with each other. . Thereby, it is possible to prevent the lower casing 110 or the upper casing 120 from being damaged in a state in which the two are opposed to each other (a state in which the display device 10 is closed).
- connection plate 130 is a long and narrow rectangular plate having a predetermined width in the y direction and a thickness in the z direction and extending in the x direction.
- a first hinge mounting portion 141b and a second hinge mounting portion 142b are formed on both side surfaces of the connecting plate 130 in the yz plane direction, respectively.
- the first hinge mounting portion 141b is formed corresponding to the first hinge mounting portion 141a of the lower housing 110.
- the second hinge mounting portion 142b is formed corresponding to the second hinge mounting portion 142a of the upper housing 120.
- the lower housing 110 and the connection plate 130 are connected by a first hinge part 141 inserted in a first hinge attachment part 141a, 141b formed respectively. And the lower housing
- the upper housing 120 and the connection plate 130 are connected by a second hinge part 142 inserted into second hinge attachment parts 142a and 142b formed respectively. And the upper housing
- the hinge provided with the damper structure normally used for a notebook PC use for example can be used.
- the lower housing 110 and the upper housing 120 can be held in an open state at an arbitrary angle ( ⁇ 2 in FIG. 5).
- the display panel 200 has flexibility.
- the display panel 200 is, for example, a flexible organic EL display panel that includes a touch panel layer.
- FIG. 25 shows a cross section of the display panel 200.
- the display panel 200 is provided on the surface of the flexible organic EL display panel 210, the functional film 220 provided on the display viewing side of the flexible organic EL display panel 210, and the surface opposite to the display viewing side of the flexible organic EL display panel 210.
- the support film 230 is provided.
- the organic EL display panel 210 includes a film substrate 211, a passivation film 212, a wiring layer 213, an EL layer 214, a sealing film 215, an adhesive layer 216, and a counter film 217.
- the wiring layer 213 includes wiring, TFTs in the pixel, and TFTs in the terminal region.
- the EL layer 214 has a structure in which organic films such as a hole transport layer, a light emitting layer, and an electron transport layer are stacked.
- the functional film 220 is adhered to the surface of the counter film 217 of the organic EL display panel 210 with an adhesive 221.
- the functional film 220 includes, for example, a touch panel layer.
- the functional film 220 further includes a surface protective layer or the like.
- the support film 230 is adhered to the surface of the film substrate 211 of the organic EL display panel 210 with an adhesive 231.
- a part of the wiring layer 213 is not covered with the adhesive layer 216.
- a portion of the wiring layer 213 that is not covered with the adhesive layer 216 is electrically connected to a flexible printed circuit board (FPC) 330 through an anisotropic conductive film (ACF) 331.
- FPC flexible printed circuit board
- ACF anisotropic conductive film
- the display panel 200 is bonded to the housing unit 100 by an adhesive member (not shown).
- the display panel 200 is fixed to the housing unit 100 in a lower housing 110 (see a region R1 in FIG. 6) and a second member 1220 (see a region R2 in FIG. 6).
- Examples of the adhesive member include an adhesive and a double-sided tape.
- 1 to 3 show a state in which the display device 10 is closed.
- the lower casing 110 and the upper casing 120 are opposed to each other.
- An angle ⁇ 1 (see FIG. 3) formed by the lower housing 110 and the upper housing 120 is, for example, about 1 to 10 degrees.
- the connection plate 130 is positioned along a plane slightly inclined from the xz plane.
- the display panel 200 is housed in a folded state in a space formed by the lower housing 110, the upper housing 120, and the connection plate 130.
- the angle ⁇ 1 formed by the lower housing 110 and the upper housing 120 may be zero.
- the upper casing 120 has a maximum size L1 in the y direction. Details of the structure of the upper housing 120 when the size of the upper housing 120 in the y direction is maximized are as described with reference to FIGS. 13 and 16 to 19.
- connection plate 130 of the housing unit 100 stands up with respect to the lower housing 110 and the upper housing 120, the lower housing 110, the upper housing 120, and the connection plate 130 are aligned along the yz plane.
- a substantially triangular space A is formed in the cross section. Therefore, the display panel 200 is folded in a folded state with a curve having a radius of curvature of about 1 to 10 at the bent portion. Therefore, even when the display device 10 is folded, the display panel 200 is prevented from being damaged.
- the size L2 (see FIG. 6) of the upper housing 120 in the y direction is determined. Is smaller than the size L1 in the closed state. At this time, the size L2 of the upper casing 120 in the y direction is adjusted to an optimum size by the elastic force of the spring 123.
- the display panel 200 is not bonded to the first member 1210 and the connection plate 130 of the upper casing 120, wrinkles are suppressed from being bent at the bent portion of the display panel 200.
- Display device open state 2 Next, the case where the display device 10 is fully opened as shown in FIGS. 7 to 10 will be described.
- the lower casing 110, the upper casing 120, and the connection plate 130 are all positioned on the xy plane.
- the display panel 200 is similarly positioned on the xy plane.
- the size L3 (see FIG. 10) in the y direction of the upper housing 120 is minimum.
- the details of the structure of the upper housing 120 when the size L3 of the upper housing 120 in the y direction is minimized are as described with reference to FIGS.
- the display panel 200 extends in the xy plane. Therefore, the user can use the display device 10 as a tablet terminal type device.
- a flexible organic EL display panel is used as the display panel 200
- the present invention is not particularly limited thereto.
- a liquid crystal display panel using a film substrate, electronic paper, or the like may be used as the display panel 200.
- the electronic paper include an electrophoresis method, an electronic powder fluid method, and a microcapsule method.
- the curvature of the display panel 100 when the display panel 200 is folded can be reduced.
- a display panel 200 having a low flexibility such as a flexible liquid crystal display panel
- the one having a large width size in the y direction when the display panel 200 is fully opened) is used.
- the spring mounting hole 1214 has been described as being formed from the end surface 1212a on the second member 1220 side of the extended portion 1212 toward the main portion 1211.
- the spring mounting hole 1214 may penetrate from the end surface 1212a to the end surface 1212b facing the main portion 1211.
- one end 123a of the spring 123 inserted into the spring mounting hole 1214 is fixed to, for example, the end surface 1211d of the main portion 1211.
- the relative movement direction and movement distance between the first member 1210 and the second member 1220 are regulated by the shaft 124, but the relative relationship between the first member 1210 and the second member 1220 is described.
- Means other than the shaft may be used as means for restricting the proper moving direction and moving distance.
- a groove is provided on one of the extended portion 1212 of the first member 1210 and the inner wall surface of the first member housing portion 1222 of the second member 1220, and a protrusion that engages with the groove is formed on the other. Accordingly, the relative moving direction and moving distance between the first member 1210 and the second member 1220 may be regulated.
- the shaft attachment portion 1224 is formed on the inner wall surface 1222a of the first member accommodating portion 1222, but the shaft attachment portion 1224 is not an essential configuration.
- the shaft 124 may be directly bonded to the inner wall surface 1222a.
- the shaft attachment portion 1224 is preferably formed.
- the upper housing 120 is formed of the first member 1210 and the second member 1220, and the size in the y direction is variable.
- the horizontal length of the lower housing 110 (not the upper housing 120) ( The size in the y direction when the display panel 200 is fully opened may be extendable.
- the battery is accommodated in the upper housing in order to secure a space for accommodating the battery.
- the size of the upper housing in the y direction variable it is preferable to make the size of the upper housing in the y direction variable as in this embodiment.
- the first member 1210 coupled to the connection plate 130 has the extended portion 1212
- the second member 1220 is the first member housing portion.
- the upper housing 120A may include a first member 1210A and a second member 1220A.
- the second member 1220A has a main portion 1228A and an extended portion 1229A.
- the first member 1210A has a second member accommodating portion 1219A.
- the end surface 1211d of the main portion 1211 and the end surface 1220a of the second member 1220 are Although it has been described that the contact is made in the vicinity of the notch 1211c, it is not particularly limited thereto.
- the end surface 1211dB of the main portion 1211B and the notch 1211cB may be separated from each other.
- the area of the region R2 that bonds the upper housing 120B and the display panel as compared to the upper housing 120 of the present embodiment. Becomes smaller. Therefore, from the viewpoint of securing a large area for bonding the upper casing and the display panel, it is preferable that the upper casing 120 has the configuration of the present embodiment.
- the display panel 200 may be fixed to the lower casing 110 and the second member 1220 of the casing unit 100 by means other than adhesion.
- the thickness of the lower housing 110 and the thickness of the upper housing 120 may be the same or different, but when the display device 10 is used in a fully opened state as shown in FIGS. From the viewpoint of design and usability, it is preferable that the thickness of the lower housing 110 and the thickness of the upper housing 120 are the same.
- the size in the y direction of the upper housing 120 is maximized when the housing unit 100 is fully opened, and the size in the y direction of the upper housing 120 is folded when the housing unit 100 is folded.
- the upper housing 120 may be larger in size in the y direction than when the housing unit 100 is fully opened. Further, a case where the size of the upper housing 120 in the y direction can be made smaller than when the housing unit 100 is folded can be considered.
- the display device 10 ⁇ / b> C includes a housing unit 100 ⁇ / b> C and a display panel 200.
- the housing unit 100C includes a lower housing 110C, an upper housing 120C, and a connection plate 130.
- the upper housing 120C includes a first member 1210 and a second member 1220C.
- a rib 115C is formed on the surface of the lower housing 110C opposite to the surface on which the display panel 200 is provided.
- the rib 115C is formed in a U shape along the peripheral edge portion of the lower housing 110C.
- the width of the rib 115C is, for example, 1 to 3 mm.
- the height of the rib 115C is, for example, 1 to 3 mm.
- a rib 1225C is formed on the surface of the second member 1220C opposite to the surface on which the display panel 200 is provided.
- the rib 1225C is formed in a U shape along the peripheral edge portion of the lower housing 110C.
- the width of the rib 1225C is, for example, 1 to 3 mm.
- the height of the rib 1225C is, for example, 1 to 3 mm.
- the configuration other than the ribs 115C and 1225C is the same as that of the first embodiment.
- the rib 115C is formed in the lower housing 110C, and the rib 1225C is formed in the second member 1220C of the upper housing 120C. Therefore, even if the display device 10C is thin.
- the display device 10C has excellent strength. Further, when the user uses the display device 10C, hands or fingers can be hooked on the rib 115C or the rib 1225C, so that the display device 10C is less likely to drop.
- FIG. 29 shows a display device 10D according to a modification of the second embodiment.
- a rib 115D is formed on the lower housing 110D
- a rib 1225D is formed on the second member 1220D of the upper housing 120D.
- the rib 115D is formed closer to the center of the lower housing 110D than the rib 115C of the second embodiment.
- the rib 1225D is formed closer to the center of the second member 1220D than the rib 1225C of the second embodiment.
- the ribs 115D and the ribs 1225D are formed near the center of the lower housing 110D and the second member 1220D, when the display device 10D is used in a fully opened state, it becomes easy to hook hands or fingers on the ribs 115D and ribs 1225D. The display device 10D is less likely to drop.
- the present invention can be used for a foldable display device.
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Abstract
Description
(表示装置)
図1~図10は、実施形態1の表示装置10を示す。表示装置10は、筐体ユニット100と、表示パネル200とを備える。筐体ユニット100は折りたたみ可能であり、図1~図3に示すような筐体ユニット100が折りたたまれた状態、図4~図6に示すような筐体ユニット100が開いた状態、及び図7~図10に示すような筐体ユニット100が全開した状態に変形することができる。なお、図1、図2、図4、図5及び図7は、表示装置10の斜視図である。図3は、図1のIII-III線における断面図である。図6は、図4のVI-VI線における断面図である。図8及び図9は、表示装置10の平面図である。図10は、図7のX-X線における断面図である。図1の表示装置10は、図7~図10のように筐体ユニット100が全開した状態において、例えば、A4サイズ程度の大きさを有する。
筐体ユニット100は、下筐体110(第1支持部材)、上筐体120(第2支持部材)、及び接続板130を含む。下筐体110は、略矩形の平板状の部材である。上筐体120は、略矩形の平板状の部材である。接続板130は、長尺状矩形を有する板状の部材である。下筐体110は、図2及び図5に示すように、接続板130の長辺の一方130aに、第1ヒンジ部141を介して連結されている。これにより、接続板130は、下筐体110に対して回転可能となっている。上筐体120は、接続板130の長辺の他方130bに、第2ヒンジ部142を介して連結されている。これにより、上筐体120は、接続板130に対して回転可能となっている。このように、第1ヒンジ部141によって下筐体110及び接続板130が、第2ヒンジ部142によって、接続板130及び上筐体120が接続されている。
図11及び図12は、下筐体110の平面図及び断面図である。下筐体110には、図11及び図12に示すように、駆動回路基板310及びバッテリー320が内蔵されている。駆動回路基板310は、フレキシブルプリント基板330を介して、表示パネル200に設けられた配線層213(図25を参照。)に電気的に接続されている。バッテリー320は、フレキシブルプリント基板340を介して、駆動回路基板310と電気的に接続している。
図13は、上筐体120の平面図である。上筐体120は、第1部材1210及び第2部材1220で構成されている。第1部材1210及び第2部材1220は、共に矩形状で、ほぼ均一な厚みを有する。第1部材1210及び第2部材1220は、xy平面内に配置されている。第1部材1210は、第2部材1220に対して、y方向に相対的に移動可能である。これにより、上筐体120のy方向の大きさが変化する。上筐体120は、第1部材1210において接続板130に連結されている。なお、図13では、y方向の大きさが最大の状態を示している。
第1部材1210は、図14に示すように、メイン部分1211と伸長部分1212で構成されている。メイン部分1211と伸長部分1212とは、ビス1213で固定されている。
第2部材1220の内部には、図15に示すように、第1部材1210の伸長部分1212を収容する空間として、第1部材収容部1222が形成されている。第1部材収容部1222は、全体として、矩形の平板状である。
接続板130は、図2及び図5に示すように、y方向に所定幅及びz方向に厚さを有し、x方向に延びた細長矩形の平板状である。
表示パネル200は、可撓性を有する。表示パネル200は、例えば、タッチパネル層を備えたフレキシブル有機EL表示パネルである。
次に、図1~図10に戻って、表示装置10の閉状態及び開状態について、より詳しく説明する。図1~図3は、表示装置10を閉じた状態を示している。この状態の筐体ユニット100において、下筐体110及び上筐体120は、互いに対向した状態となっている。下筐体110及び上筐体120のなす角度θ1(図3を参照。)は、例えば、1~10度程度である。また、接続板130は、xz平面からわずかに傾斜した面に沿って位置づけられている。そして、表示パネル200は、下筐体110、上筐体120及び接続板130で構成される空間内に、折りたたまれた状態で収容されている。なお、下筐体110と上筐体120とを対向させた状態において両者が接触する部分(表示パネル200を貼り付ける領域の周縁部分)に緩衝材を備え、その緩衝材の厚さが大きい場合には、下筐体110及び上筐体120のなす角度θ1の大きさが0になる場合も考えられる。
次に、表示装置10の下筐体110と上筐体120とが所定の角度θ2で開かれた状態について説明する。図4~図6は、表示装置10の下筐体110と上筐体120とを開いた状態を示している。下筐体110と上筐体120とのなす角は、使用者が任意に決定することができる。なお、このとき、第1ヒンジ部141及び第2ヒンジ部142としてダンパー構造を備えたヒンジを用いているので、下筐体110と上筐体120とのなす角θ2を使用者の任意の角度で保持することができる。例えば、下筐体110の表示パネル200にキーボードを表示することにより、使用者は、ノートPCタイプのデバイスとして表示装置10を用いることができる。
次に、表示装置10を図7~図10に示すように全開状態にした場合について説明する。この状態の筐体ユニット100において、下筐体110、上筐体120、及び接続板130は、全てxy平面上に位置づけられている。表示パネル200も同様にxy平面上に位置づけられている。
本実施形態では、表示パネル200としてフレキシブル有機EL表示パネルを用いる場合を例に説明したが、特にこれに限定されない。例えば、表示パネル200として、フィルム基板を用いた液晶表示パネル、電子ペーパー等を用いてもよい。電子ペーパーとしては、例えば、電気泳動方式、電子粉流体方式、マイクロカプセル方式等のものが挙げられる。
図27及び図28は、実施形態2に係る表示装置10Cを示す。表示装置10Cは、筐体ユニット100Cと、表示パネル200とを備える。筐体ユニット100Cは、下筐体110C、上筐体120C、及び接続板130を備える。上筐体120Cは、第1部材1210及び第2部材1220Cで構成されている。
Claims (10)
- 折りたたみ可能な筐体ユニットと、可撓性を有する表示パネルと、を備えた表示装置であって、
前記筐体ユニットは、
長尺状の接続板と、
前記接続板の長辺の一方に第1ヒンジ部を介して連結される、平板状の第1支持部材と、
前記接続板の長辺の他方に第2ヒンジ部を介して連結され、前記接続板の長手方向に垂直な方向の大きさを変更可能な平板状の第2支持部材と、を含み、
前記第1支持部材及び前記第2支持部材が同一平面上に並ぶように前記筐体ユニットを開いた状態では、前記第1支持部材、前記接続板、及び前記第2支持部材が同一平面上且つ前記接続板の長手方向に垂直な方向に並んで配置され、
前記第1支持部材及び前記第2支持部材が対向するように前記筐体ユニットを折りたたんだ状態では、前記第2支持部材の前記接続板の長手方向に垂直な方向の大きさが前記筐体ユニットを開いた状態のときよりも大きくなると共に、前記第1及び第2支持部材並びに前記接続板で囲まれた空間内に前記表示パネルが収容される、表示装置。 - 請求項1に記載の表示装置において、
前記第2支持部材は、
前記接続板の長辺の他方に第2ヒンジ部を介して連結された第1部材と、
前記第1部材に弾性部材で連結されると共に前記第1部材と同一平面状に配置された第2部材と、を含み、
前記弾性部材の伸縮によって、前記第1部材及び第2部材間の距離が変化することにより、前記第2支持部材の前記接続板の長手方向に垂直な方向の大きさが変化する、表示装置。 - 請求項2に記載の表示装置において、
前記表示パネルは、前記第1支持部材及び前記第2部材に接着されている、表示装置。 - 請求項2又は請求項3に記載の表示装置において、
前記第1部材及び前記第2部材の一方には、前記第1部材及び前記第2部材の他方の一部を収容する凹部が形成され、
前記他方が前記凹部に収容される深さが変化することにより、前記第2支持部材の前記接続板の長手方向に垂直な方向の大きさが変化する、表示装置。 - 請求項4に記載の表示装置において、
前記凹部は、前記第2部材に形成された、表示装置。 - 請求項3に記載の表示装置において、
前記第1部材の前記接続板の長手方向に垂直な方向の大きさは、前記第2部材の前記接続板の長手方向に垂直な方向の大きさよりも小さい、表示装置。 - 請求項1~請求項6のいずれか一項に記載の表示装置において、
前記接続板の長手方向に垂直な方向において、前記第2支持部材の長さの最大値は、前記第1支持部材の長さと略同一である、表示装置。 - 請求項1~請求項7のいずれか一項に記載の表示装置において、
前記接続板の長手方向に垂直な方向において、前記第2支持部材の長さの最小値及び前記接続板の長さの和は、前記第1支持部材の長さと略同一である、表示装置。 - 請求項1~請求項8のいずれか一項に記載の表示装置において、
前記表示パネルは、フレキシブル有機EL表示パネルである、表示装置。 - 折りたたみ可能な筐体ユニットと、可撓性を有する表示パネルと、を備えた表示装置であって、
前記筐体ユニットは、
長尺状の接続板と、
前記接続板の長辺の一方に第1ヒンジ部を介して連結される、平板状の第1支持部材と、
前記接続板の長辺の他方に第2ヒンジ部を介して連結され、前記接続板の長手方向に垂直な方向の大きさを変更可能な平板状の第2支持部材と、を含み、
前記第2支持部材は、
前記接続板の長辺の他方に第2ヒンジ部を介して連結された第1部材と、
前記第1部材と同一平面状に配置された第2部材と、を含み、
前記第1部材及び前記第2部材の一方には、前記第1部材及び前記第2部材の他方の一部を収容する凹部が形成され、
前記凹部の内壁面と前記他方の一部とが、弾性部材で連結されている、表示装置。
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US15/527,327 US10254798B2 (en) | 2014-11-18 | 2015-11-10 | Display device |
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Cited By (5)
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JP2018112833A (ja) * | 2017-01-10 | 2018-07-19 | レノボ・シンガポール・プライベート・リミテッド | 携帯用情報機器 |
JP2018113051A (ja) * | 2018-02-27 | 2018-07-19 | レノボ・シンガポール・プライベート・リミテッド | 携帯用情報機器 |
JP2019507523A (ja) * | 2015-12-29 | 2019-03-14 | クワントン オーピーピーオー モバイル テレコミュニケーションズ コーポレイション リミテッド | 折り畳み端末 |
US10409332B2 (en) | 2017-01-10 | 2019-09-10 | Lenovo (Singapore) Pte. Ltd. | Portable information device |
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US10254798B2 (en) | 2019-04-09 |
CN107148602A (zh) | 2017-09-08 |
CN107148602B (zh) | 2020-02-04 |
JP6255113B2 (ja) | 2017-12-27 |
JPWO2016080239A1 (ja) | 2017-08-24 |
US20170322598A1 (en) | 2017-11-09 |
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