WO2019237484A1 - 电子装置及其柔性显示装置 - Google Patents

电子装置及其柔性显示装置 Download PDF

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Publication number
WO2019237484A1
WO2019237484A1 PCT/CN2018/099719 CN2018099719W WO2019237484A1 WO 2019237484 A1 WO2019237484 A1 WO 2019237484A1 CN 2018099719 W CN2018099719 W CN 2018099719W WO 2019237484 A1 WO2019237484 A1 WO 2019237484A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
flexible screen
sheet
flexible display
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/099719
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English (en)
French (fr)
Inventor
李姗姗
洪定洋
陈松亚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to CN201880093896.9A priority Critical patent/CN112639922A/zh
Publication of WO2019237484A1 publication Critical patent/WO2019237484A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • 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

Definitions

  • the present application relates to the field of display devices of electronic devices, and in particular, to a flexible display device and an electronic device provided with the flexible display device.
  • the present application provides a flexible display device capable of preventing damage to a flexible screen, and an electronic device provided with the flexible display device.
  • a flexible display device provided by the present application includes a flexible screen.
  • the front of the flexible screen is a display surface.
  • the flexible screen includes a bendable area.
  • a flexible screen supporting mechanism is provided on the back of the flexible screen.
  • the mechanism includes a supporting sheet corresponding to the bendable region, and a connecting sheet provided on one side of the supporting sheet.
  • the present application also provides an electronic device including a casing and a flexible display device.
  • the casing includes a first frame body, a second frame body, and a connection between the first frame body and the second frame body.
  • the flexible display device includes a flexible screen, a front surface of the flexible screen is a display surface, the flexible screen includes a bendable area, a flexible screen support mechanism is provided on the back of the flexible screen, and the flexible screen support mechanism includes a corresponding screen.
  • a supporting sheet in a bendable region, and a connecting sheet provided on one side of the supporting sheet.
  • the flexible screen supporting mechanism of the flexible display device is laminated between the back of the flexible screen and the housing.
  • the supporting piece of the flexible screen supporting mechanism corresponds to the hinge, and the connecting piece is connected to the housing.
  • the flexible screen supporting mechanism of the electronic device of the present application is disposed between the back of the flexible screen and the housing, and the supporting sheet of the flexible screen supporting mechanism corresponds to the hinge.
  • the support piece slides relative to the hinge. Because the supporting sheet has a supporting and protecting function, the back surface of the flexible screen will not be worn during the bending or flattening of the electronic device, so that the function of the flexible screen can be ensured.
  • FIG. 1 is a schematic perspective view of an electronic device in a first embodiment of the present application.
  • FIG. 2 is an exploded perspective view of the electronic device in FIG. 1.
  • FIG. 3 is an exploded perspective view of the flexible screen supporting mechanism of FIG. 2.
  • FIG. 4 is a partially assembled view of FIG. 2.
  • Fig. 5 is a sectional view taken along the line V-V in Fig. 1.
  • FIG. 6 is a schematic diagram of a bent state of the electronic device according to the first embodiment of the present application.
  • FIG. 7 is a schematic exploded perspective view of an electronic device in a second embodiment of the present application.
  • FIG. 1 is a schematic three-dimensional structure diagram of the electronic device in the first embodiment of the present application
  • FIG. 2 is an exploded three-dimensional schematic diagram of the electronic device in FIG. 1
  • the electronic device 100 in the first embodiment of the present application includes a casing 20 and a flexible display device 30 disposed on the casing 20.
  • the housing 20 includes a first frame body 21, a second frame body 23, a hinge 25 connected between the first frame body 21 and the second frame body 23, and is slidably disposed on the housing.
  • the flexible display device 30 includes a flexible screen 32 disposed on the casing 20 and a flexible screen supporting mechanism 34 disposed on the back of the flexible screen 32.
  • the flexible screen 32 includes a bendable area 31 corresponding to the hinge 25 and a non-bendable area on one side of the bendable area 31.
  • the flexible screen support mechanism 34 is stacked between the back of the flexible screen 32 and the housing 20.
  • the flexible screen support mechanism 34 includes a support piece 342 corresponding to the hinge 25, and is disposed on the support. Two connecting pieces 344 on opposite sides of the piece 342.
  • the flexible screen support mechanism 34 is used to support and protect the flexible screen 32 itself and the laminated material layer on the back thereof to prevent the flexible screen 32 and the laminated material layer from corresponding to the bendable area 31. The area is worn.
  • the connecting piece 344 and the supporting piece 342 are made of different materials.
  • the supporting sheet 342 is a liquid metal sheet; the front side of the flexible screen 32 refers to a light emitting surface of the flexible screen 32, and the back of the flexible screen 32 refers to a side facing away from the light emitting surface.
  • the reason why the liquid metal sheet is used as the support sheet 342 in this embodiment is that the liquid metal sheet has better abrasion resistance, and can be effectively resisted when it is fixed to the back of the flexible screen 32 by means of optical glue, UV glue, and adhesive.
  • the friction caused by the hinge 25 is not easy to wear.
  • the liquid metal sheet has a low modulus of elasticity, and it is directly adhered to the back of the flexible screen 32.
  • the liquid metal sheet may be selected from iron-based liquid metal or nickel-based liquid metal, and more preferably nickel-based liquid metal to obtain a lower elastic modulus.
  • the liquid metal referred to in this application refers to heating the alloy to a molten state, and then cooling it at an ultra-fast cooling rate, so that the alloy crystal lattice solidifies before it can be arranged in order. Because it is in an amorphous state, like glass, it is also called non- Crystal alloy, liquid metal or metallic glass.
  • the characteristics of liquid metal are long-range disorder (short-range order), metastable state, to some extent isotropic physical properties, no exact melting point, glass transition temperature point, etc., which has the characteristics of solid, metal, and glass. Under certain conditions, it has high strength, high hardness, plasticity, heat conduction and wear resistance. That is to say, the liquid metal referred to in the present invention is substantially solid at normal temperature, but some of its characteristics are close to liquid, so it is called liquid metal.
  • the electronic device 100 is a mobile phone. It can be understood that, in other embodiments, the electronic device 100 may be, but is not limited to, a PDA of a radio telephone, a pager, a web browser, a notepad, a calendar, and / or a global positioning system (GPS) receiver.
  • a PDA of a radio telephone
  • a pager a web browser
  • a notepad a calendar
  • / or a global positioning system (GPS) receiver GPS
  • the flexible screen supporting mechanism 34 of the electronic device 100 of the present application is disposed between the back of the flexible screen 32 and the casing 20, and the supporting piece 342 of the flexible screen supporting mechanism 34 corresponds to the hinge 25.
  • the support piece 342 and the hinge 25 slide relative to each other. Since the supporting sheet 342 has a supporting and protecting function, the back surface of the flexible screen 32 will not be worn during the bending or flattening of the electronic device 100, so the function of the flexible screen 32 can be ensured Not affected.
  • an end of the first frame body 21 remote from the second frame body 23 is provided with a guide groove 212.
  • the slider 26 is slidably disposed in the guide groove 212.
  • the member 27 is disposed between the slider 26 and the first frame body 21 along the sliding direction of the slider 26, that is, the elastic member 27 is disposed in an end of the guide groove 212 away from the hinge 25.
  • One of the connecting pieces 344 can be connected to the second frame 23, the other connecting piece 344 can be connected to the slider 26, and the support piece 342 and the hinge 25 correspond to the bendable area.
  • the area of 31 is not fixed, that is, the back surface of the support piece 342 is in sliding contact with the hinge 25 at the bendable area 31 so that the flexible screen 32 is bent and flattened.
  • the elastic member 27 can elastically drive the slider 26 to slide toward an end away from the hinge 25 to straighten the flexible screen 32 to prevent the electronic device 100 from flexing when it is bent / flattened.
  • the area of the screen 32 corresponding to the bendable area 31 is separated from the hinge 25 and arched. Specifically, the elastic member 27 pulls the slider 26 toward an end away from the hinge 25 to slide.
  • Locking holes 202 are respectively formed on the front surfaces of the second frame body 23 and the slider 26, and the locking holes 202 are used to connect the flexible screen supporting mechanism 34.
  • the second frame body 23 is provided with two locking holes 202, and the two locking holes 202 are respectively located at two opposite ends of a side far from the hinge 25;
  • the slider 26 is provided with two locking holes 202.
  • the two locking holes 202 are respectively located at two opposite ends of a side far from the hinge 25.
  • the elastic member 27 is a spring, one end of the spring is connected to the first frame 21, and the other end of the spring is connected to the slider 26.
  • an end of the second frame body 23 away from the first frame body 21 is provided with a guide groove, the slider 26 is slidably disposed in the guide groove, and the elastic member 27 It is disposed between the slider 26 and the second frame body 23 along the sliding direction of the slider 26.
  • One of the connecting pieces 344 is connected to the first frame body 23, and the other connecting piece 344 is connected to the slider 26.
  • the support piece 342 and the hinge 25 correspond to the bendable area 31. The area is not fixed so that the flexible screen 32 is bent and flattened.
  • the elastic member 27 elastically drives the slider 26 to slide toward an end away from the hinge 25 to straighten the flexible screen 32 to prevent the flexible screen from being bent or flattened by the electronic device 100.
  • a region 32 corresponding to the bendable region 31 is separated from the hinge 25 and arched.
  • the elastic member 27 may also be disposed in an end of the guide groove 212 adjacent to the hinge 25, and the elastic member 27 elastically pushes the slider 26 toward the end away from the hinge 25.
  • the area of the flexible screen 32 corresponding to the bendable area 31 is separated from the hinge 25 and arched.
  • the elastic modulus of the supporting sheet 342 is greater than the elastic modulus of the flexible screen 32.
  • the elastic modulus of each layer of the flexible screen film (such as the light-emitting layer, the base layer, the cathode layer, the anode layer, and the TFT layer) is low, if a commonly used metal sheet such as steel plate, aluminum plate, etc. is used as the support layer If it is directly fixed to the flexible screen, then the elastic modulus of the common metal sheet is much larger than the elastic modulus of each layer of the flexible screen. When it is bent with the flexible screen, it will be easily caused by the large difference in stretching amount. Damage to the flexible screen. Therefore, the present invention uses a liquid metal whose elastic modulus is closer to that of the flexible screen as the supporting sheet.
  • the elastic modulus is closer to the flexible screen and can provide sufficient rigidity to support the flexible screen. More ideal material.
  • the difference between the elastic modulus of the liquid metal support sheet 342 and the flexible screen 32 (the elastic modulus of the flexible screen is the average elastic modulus of each film layer) is greater than or equal to 100 Gpa and less than or equal to 120 Gpa, and more preferably, less than or equal to 100Gpa. More preferably, the thickness of the liquid metal supporting sheet 342 according to the embodiment of the present invention is between 5 micrometers ( ⁇ m) and 200 micrometers (inclusive).
  • the liquid metal protective sheet in this thickness range can provide sufficient support for the flexible screen 32 and has excellent bending performance, and can avoid the case where the supporting sheet 342 is too thick and affects the bending of the flexible screen. Further, the thickness of the liquid metal supporting sheet 342 is between 5 micrometers and 50 micrometers (inclusive), so as to obtain more ideal bending performance. In addition, compared with existing materials with lower elastic modulus, such as silicone, foam, plastic, etc., the strength of the liquid metal is higher, and the abrasion resistance is better, which can effectively support the flexible screen 32.
  • the supporting sheet 342 may also be a thin steel sheet or a thin film polymer.
  • each connecting piece 344 is rectangular, and the thickness of the connecting piece 344 is greater than the thickness of the supporting piece 342.
  • a connection portion 3442 is provided on a front side of each connection piece 344.
  • the connection portion 3442 is a connection hole opened on the front face of the connection piece 344, and each connection hole is a countersunk hole.
  • Each of the connecting pieces 344 is provided with two of the connecting holes, and the two connecting holes are respectively located at two opposite ends of the connecting piece 344.
  • a coupling groove 3445 is defined on a side of the front surface of the connecting piece 344 remote from the connecting portion 3442, and the coupling groove 3445 extends along a direction of a bending axis of the flexible screen 32.
  • the two opposite ends of the coupling groove 3445 pass through the two opposite end surfaces of the connecting piece 344, respectively, and the side of the coupling groove 3445 far from the two connecting portions 3442 passes through the side of the connecting piece 344. Thereby, a step is formed at a position where the connection piece 344 is close to the support piece 342.
  • the thickness of the coupling groove 3445 is equal to the thickness of the supporting sheet 342, and the thickness of the coupling groove 3445 is between 5 micrometers ( ⁇ m) and 200 micrometers (inclusive). Further, the thickness of the bonding groove 3445 is between 5 ⁇ m and 50 ⁇ m (inclusive).
  • the bending axis referred to in the present invention is not limited to a solid axis, and may also be a non-solid axis, as long as the flexible screen 32 can be bent around the axis, it can be regarded as a bending axis.
  • each connecting piece 344 is smaller than the elastic modulus of the supporting piece 342 and larger than the elastic modulus of the flexible screen 32.
  • each connecting piece 344 is a plastic piece.
  • each of the connecting pieces 344 may also be a rubber piece or a silicone piece.
  • FIG. 4 is a partial assembly view of FIG. 2;
  • FIG. 5 is a cross-sectional view taken along the line VV in FIG. 1.
  • the support piece 342 is integrated into one body by injection molding, so that opposite sides of the support piece 342 are respectively fixed in the combining grooves 3445 of the two connection pieces 344, that is, opposite sides of the support piece 342. Fitted in the coupling grooves 3445 of the two connecting pieces 344 respectively.
  • the two connecting pieces 344 and the supporting piece 342 are integrated into one body by a nano injection molding process.
  • connection pieces 344 and the support piece 342 are integrally formed, and the front surface of the support piece 342 is flush with the front surface of the two connection pieces 344 so that the back of the flexible screen 32 is completely Laminated on the front surfaces of the supporting piece 342 and the two connecting pieces 344.
  • the flexible screen supporting mechanism 34 is installed in the casing 20 such that the back of one of the connecting pieces 344 is attached to the front of the second frame 23 and the back of the other connecting piece 344 is attached to the The front surface of the slider 26 and the back surface of the support piece 342 are directly opposite to the hinge 25.
  • a plurality of locking members 35 are further provided through the connecting portions 3442 on the connecting piece 344 to be locked in the corresponding locking holes 202 on the housing 20.
  • the two connecting pieces 344 of the flexible screen supporting mechanism 34 are respectively fixed to the second frame body 23 and the slider 26, and the back surface of the supporting piece 342 and the hinge are not fixed.
  • the back of the flexible screen 32 is fixed to the front of the flexible screen supporting mechanism 34 by means of optical glue, UV glue, adhesive, or double-sided tape, that is, the front faces of the two connecting pieces 344 are fixed to The non-bendable area of the flexible screen 32 is described, and the front surface of the support sheet 342 is fixed to the bendable area 31 of the flexible screen 32.
  • the flexible screen 32 can also be fixed to the flexible screen support mechanism 34 first, and then the flexible screen support mechanism 34 can be placed on the first frame 21 and the second frame 23, and the screws can be removed from The slider 26 and the second frame 23 are inserted below and locked into the connecting portion 3442 corresponding to the connecting piece, so that the entire assembly can be realized.
  • the nano-injection processing means that after the metal surface of the support sheet 342 is subjected to nano-treatment, the plastic is directly injection-molded on the metal surface, so that the metal and the plastic can be integrally formed.
  • the processing technology can not only take into account the appearance of the metal, but also simplify the product structure design and make the product lighter, thinner, shorter and smaller.
  • the supporting piece 342 and the connecting piece 344 can also be fixed in other ways, such as adhesive.
  • FIG. 6 is a schematic diagram of a bending state of the electronic device according to the first embodiment of the present application.
  • the support piece 342 and the hinge 25 slide relative to each other, thereby preventing the hinge 25 from abrading the flexibility
  • the back of the screen 32; the elastic member 27 always pulls the slider 26 to prevent the area of the flexible screen 32 corresponding to the bendable area 31 from being separated from the hinge 25 and arched.
  • FIG. 7 is a schematic exploded perspective view of an electronic device in a second embodiment of the present application.
  • the structure of the second embodiment of the electronic device of the present application is similar to that of the first embodiment, except that in the second embodiment, the connecting piece 344 is fixed to the housing 20 by a snap connection.
  • One of the connecting pieces 344 is engaged with the second frame 23, and the other connecting piece 344 is engaged with the slider 26.
  • a plurality of hooks 204 are protruded from the front surface of the second frame body 23 and the slider 26, and the front surface of each connecting piece 344 is provided with a locking hole 3444 through the connecting piece 344.
  • the hooks 204 on the second frame body 23 are engaged with one of the connecting pieces 344 through the corresponding locking holes 3444, and the slide The hook 204 on the block 26 passes through the corresponding latching hole 3444 and is latched on another connecting piece 344.
  • the supporting piece 342 corresponds to the hinge 25 and slides relative to the hinge 25; the head of each hook 204 is completely received in the corresponding engaging hole 3444, that is, each hook The top of 204 does not expose the front surface of the corresponding connection piece 344 or is flush with the front surface of the connection piece 344.
  • a plurality of hooks are protruded on the back of each connecting piece 344, and a plurality of engaging holes are opened on the front of the second frame body 23 and the slider 26.
  • One of the hooks of the connecting piece 344 is provided.
  • the second hook 23 is latched in a corresponding latching hole in the second frame 23, and the hook of the other connecting piece 344 is latched in a corresponding latching hole in the slider 26.
  • a plurality of fixing posts protrude from the back of each connecting piece 344, and a plurality of fixing holes are formed on the front surface of the second frame body 23 and the slider 26.
  • the post is clipped into the corresponding card hole on the second frame body 23, and the fixing post of the other connection piece 344 is clipped into the corresponding card hole on the slider 26.
  • the back of one of the connecting pieces 344 is glued and fixed to the front of the second frame 23, and the back of the other connecting piece 344 is glued and fixed to the front of the slider 26.
  • the elastic member 27 may be elastic rubber or the like.
  • the two opposite sides of the supporting piece 342 may be glued and fixed on the two connecting pieces 344, respectively.
  • the supporting sheet 342 may be a flexible wear-resistant sheet.
  • a light-shielding black glue layer may be provided on the back of the flexible screen 32, and the front surface of the support sheet 342 is glued and fixed to the back of the light-shielding black glue layer.
  • a lubricating material is provided between the back surface of the supporting sheet 342 and the hinge 25.
  • the lubricating material layer may be a Teflon, Teflon layer, graphite or molybdenum disulfide, etc.
  • the lubricating material layer may be fixedly attached to the back surface of the support piece 342, or may be fixedly attached to the front surface of the hinge 25.
  • the support piece 342 is only disposed in the bendable area, so as to reduce the amount of the support piece 342 and reduce the production cost.
  • the embodiment of the present invention provides liquid metal only at the position 31 corresponding to the bendable area, and in the non-bend area
  • the connecting piece 344 is used for fixing.
  • the thickness of the liquid metal cannot be increased, and the connecting piece 344 can be made of plastic, and its thickness is large, so it can be fixed to the housing 20 by means of a screw lock, avoiding the use of large
  • the adhesive needs to be adhered to the housing 20 due to the small thickness, and the connection may be unstable due to the creep problem of the adhesive.
  • the “relative sliding” referred to in the present invention does not limit direct contact and relative sliding between two elements, but may also include relative sliding between third-party elements, and third-party elements are not limited to solid elements, such as Sheets, films, etc., may also include non-solid components, such as gaps, spaces, etc., or a combination of solid and non-solid components; third-party components are not limited to one, but may include multiple. That is, as long as the two elements have a relative sliding motion relationship, regardless of the actual positions of the two elements, they can be considered to be within the range of “relative sliding” as referred to in the present invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种电子装置（100）及其柔性显示装置（30），电子装置（100）包括壳体（20）及柔性显示装置（30），壳体（20）包括第一框体（21）、第二框体（23）、及铰链（25），柔性显示装置（30）包括柔性屏（32），柔性屏（32）的正面为显示面，柔性屏（32）包括可折弯区域（31），柔性屏（32）的背面设置有柔性屏支撑机构（34），柔性屏支撑机构（34）包括对应可折弯区域的支撑片（342），以及设置于支撑片（342）一侧的连接片（344）。柔性屏支撑机构（34）层叠于柔性屏（32）与壳体（20）之间，柔性屏支撑机构（34）的支撑片（342）对应铰链（25），连接片（344）连接于壳体（20）。

Description

电子装置及其柔性显示装置 技术领域
本申请涉及电子设备的显示装置领域，尤其涉及一种柔性显示装置，以及设置有所述柔性显示装置的电子装置。
背景技术
随着柔性屏的发展，现有技术中已经出现了折叠式显示屏的电子装置，现有的折叠式显示屏的电子装置一般通过铰链来实现柔性屏的弯折。然而，现有的电子装置在折弯或展平的过程中，所述柔性屏与所述铰链之间会相对滑动而摩擦，因此，容易造成所述柔性屏损坏，影响所述柔性屏的功能。
发明内容
本申请提供一种能防止柔性屏损坏的柔性显示装置，以及设置有所述柔性显示装置的电子装置。
本申请提供的一种柔性显示装置，包括柔性屏，柔性屏的正面为显示面，所述柔性屏包括可折弯区域，所述柔性屏的背面设置有柔性屏支撑机构，所述柔性屏支撑机构包括对应所述可折弯区域的支撑片，以及设置于所述支撑片一侧的连接片。
本申请还提供一种电子装置，包括壳体及柔性显示装置，所述壳体包括第一框体、第二框体、及连接于所述第一框体与所述第二框体之间的铰链。所述柔性显示装置包括柔性屏，柔性屏的正面为显示面，所述柔性屏包括可折弯区域，所述柔性屏的背面设置有柔性屏支撑机构，所述柔性屏支撑机构包括对应所述可折弯区域的支撑片，以及设置于所述支撑片一侧的连接片。所述柔性显示装置的柔性屏支撑机构层叠于所述柔性屏的背面与所述壳体之间，所述柔性屏支撑机构的支撑片对应所述铰链，连接片连接于壳体。
本申请电子装置的柔性屏支撑机构设置于所述柔性屏的背面与所述壳体之间，所述柔性屏支撑机构的支撑片对应所述铰链。当所述电子装置通过所述铰链折弯或展平时，所述支撑片与所述铰链相对滑动。由于所述支撑片具有支 撑和保护作用，因此，所述柔性屏的背面在所述电子装置折弯或展平的过程中不会被磨损，故此可确保所述柔性屏的功能不受影响。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请的第一实施例中的电子装置的立体结构示意图。
图2是图1中电子装置的立体分解示意图。
图3是图2的柔性屏支撑机构的立体分解示意图。
图4是图2的部分组装图。
图5是图1中沿V-V线的剖视图。
图6是本申请第一实施例的电子装置的弯曲状态示意图。
图7是本申请的第二实施例中的电子装置的立体分解示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例的描述中，需要理解的是，术语“上”、“下”“左”“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是暗示或指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
本发明实施例的描述中，需要理解的是，术语“厚度”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是暗示或指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
请一并参阅图1至图3，图1是本申请的第一实施例中的电子装置的立体 结构示意图；图2是图1中电子装置的立体分解示意图；图3是图2的柔性屏支撑机构的立体分解示意图。本申请的第一实施例中的电子装置100，其包括一壳体20及设置于所述壳体20上的一柔性显示装置30。所述壳体20包括一第一框体21、第二框体23、连接于所述第一框体21与所述第二框体23之间的一铰链25、滑动地设置于所述壳体20内的一滑块26，以及迫使所述滑块26朝远离所述铰链25滑动的弹性件27。所述柔性显示装置30包括设置于所述壳体20上的一柔性屏32，以及设置于所述柔性屏32的背面的一柔性屏支撑机构34。所述柔性屏32包括对应所述铰链25的一可折弯区域31，以及位于可折弯区域31一侧的非折弯区域。所述柔性屏支撑机构34层叠于所述柔性屏32的背面与所述壳体20之间，所述柔性屏支撑机构34包括对应所述铰链25的一支撑片342，以及设置于所述支撑片342相对的两侧的二个连接片344。所述柔性屏支撑机构34用于支撑和保护所述柔性屏32的柔性屏32本身及其背面的层叠材料层，防止所述柔性屏32及层叠村料层对应所述可折弯区域31的区域被磨损。所述连接片344与支撑片342的材料不同。
本实施例中，所述支撑片342是液态金属片；所述柔性屏32的正面是指所述柔性屏32的出光面，所述柔性屏32的背面指背朝所述出光面的侧面。
本实施例选用液态金属片作为支撑片342的原因在于液态金属片的耐磨性较佳，当其通过光学胶、UV胶、背胶等方式固定于柔性屏32的背面时，可以有效地抵御所述铰链25对其产生的摩擦，不易出现磨损的情况。另一方面，液态金属片的弹性模量较低，将其直接粘贴在柔性屏32的背面，在柔性屏32弯曲时可跟随柔性屏32一起同步或近似同步拉伸，从而避免柔性屏32在弯曲时由于拉伸幅度差异较大导致出现破损的情况。液态金属片可选用铁基液态金属或镍基液态金属，更优选地采用镍基液态金属，以获得更低的弹性模量。
本申请所称液态金属是指将合金加热到熔融态，然后以超快的冷却速度冷却，使合金晶格来不及有序排列结晶便固化，因为是非结晶状态，像玻璃，所以又被称为非晶合金、液态金属或金属玻璃。液态金属的特性是长程无序(短程有序)、亚稳态、一定程度上的物理特性各向同性、没有确切熔点、具有玻璃转化温度点等，具有固态、金属、玻璃的特性，可以在一定条件下具有高强度、高硬度、塑性、热传导和耐磨性等。也就是说，本发明所称的液态金属在 常温实质上是固态的，只不过其某些特性接近液体，所以称之为液态金属。
本实施例中，所述电子装置100为手机。可以理解，在其它实施例中，电子装置100可以是但不限于无线电电话、寻呼机、Web浏览器、记事簿、日历以及/或全球定位系统(GPS)接收器的PDA。
本申请电子装置100的柔性屏支撑机构34设置于所述柔性屏32的背面与所述壳体20之间，所述柔性屏支撑机构34的支撑片342对应所述铰链25。当所述电子装置100通过所述铰链25折弯或展平时，所述支撑片342与所述铰链25相对滑动。由于所述支撑片342具有支撑和保护作用，因此，所述柔性屏32的背面在所述电子装置100折弯或展平的过程中不会被磨损，故此可确保所述柔性屏32的功能不受影响。
如图2所示，所述第一框体21远离所述第二框体23的一端开设有一导滑槽212，所述滑块26滑动地设置于所述导滑槽212内，所述弹性件27沿所述滑块26的滑动方向设置于所述滑块26与所述第一框体21之间，即，弹性件27设置于所述导滑槽212内远离所述铰链25的一端。其中一连接片344能连接于所述第二框体23上，另一连接片344能连接于所述滑块26，所述支撑片342与所述铰链25之间对应所述可折弯区域31的区域不固定，即，所述支撑片342的背面与所述铰链25在所述可折弯区域31处滑动接触，以便所述柔性屏32折弯与展平。所述弹性件27能弹性驱动所述滑块26朝远离所述铰链25的一端滑动，以向外拉直所述柔性屏32，避免所述电子装置100在折弯/展平时，所述柔性屏32对应所述可折弯区域31的区域与所述铰链25分离而拱起。具体的，所述弹性件27朝远离所述铰链25的一端拉动所述滑块26滑动。
所述第二框体23及所述滑块26的正面分别开设有锁固孔202，这些锁固孔202用于连接所述柔性屏支撑机构34。本实施例中，所述第二框体23上开设有二个所述锁固孔202，二个所述锁固孔202分别位于远离所述铰链25的一侧的相对的二端；所述滑块26上开设有二个所述锁固孔202，二个所述锁固孔202分别位于远离所述铰链25的一侧的相对的二端。
本实施例中，所述弹性件27是弹簧，所述弹簧的一端连接于所述第一框体21，所述弹簧的另一端连接于所述滑块26。
在其他实施例中，所述第二框体23远离所述第一框体21的一端开设有一导滑槽，所述滑块26滑动地设置于所述导滑槽内，所述弹性件27沿所述滑块 26的滑动方向设置于所述滑块26与所述第二框体23之间。其中一连接片344连接于所述第一框体23上，另一连接片344连接于所述滑块26，所述支撑片342与所述铰链25之间对应所述可折弯区域31的区域不固定，以便所述柔性屏32折弯与展平。所述弹性件27弹性驱动所述滑块26朝远离所述铰链25的一端滑动，以向外拉直所述柔性屏32，避免所述电子装置100在折弯/展平时，所述柔性屏32对应所述可折弯区域31的区域与所述铰链25分离而拱起。
在其他实施例中，弹性件27也可以设置于所述导滑槽212内邻近所述铰链25的一端，所述弹性件27弹性抵推所述滑块26朝远离所述铰链25的一端滑动，以向外抵推所述柔性屏32，避免所述电子装置100在折弯/展平时，所述柔性屏32对应所述可折弯区域31的区域与所述铰链25分离而拱起。
所述支撑片342的弹性模量大于所述柔性屏32的弹性模量。由于柔性屏的各层膜材(如发光层、基底层、阴极层、阳极层、TFT层等)的弹性模量均较低，如果采用常用的金属片，如钢板、铝板等材料作为支撑层直接与柔性屏贴合固定，那么由于常见金属片的弹性模量远大于柔性屏各层膜材的弹性模量，在与柔性屏一同弯折时将容易由于出现拉伸量差异过大而导致柔性屏损坏的情况。因此，本发明采用弹性模量与柔性屏匹配更加接近的液态金属作为支撑片，其相比于常见的金属片，弹性模量更接近于柔性屏，且能提供充分的硬度支撑柔性屏，是较为理想的材料。液态金属的支撑片342与柔性屏32的弹性模量之差(柔性屏的弹性模量为各膜层的平均弹性模量)大于或等于100Gpa并小于或等于120Gpa，更优选地，小于或等于100Gpa。更优选地，本发明实施例的液态金属的支撑片342的厚度介于5微米(μm)与200微米之间(含本数)。此厚度范围的液体金属保护片能给柔性屏32提供充分的支撑力，且弯折性能优良，可避免支撑片342过厚而影响柔性屏弯折的情况。进一步地，液态金属的支撑片342的厚度介于5微米与50微米之间(含本数)，以获得更加理想的弯折性能。并且，相比于现有的弹性模量更低的材料，如硅胶、泡棉、塑胶等，液态金属的强度更高，且耐磨性更佳，可有效地对柔性屏32进行支撑。
在其他实施例中，所述支撑片342还可以是薄钢片或薄膜聚合物等。
如图3所示，每一连接片344呈矩形，所述连接片344的厚度大于所述支撑片342的厚度。每一连接片344的正面的一侧设置有连接部3442，本实施例中，所述连接部3442为开设于所述连接片344的正面的连接孔，每一连接 孔为沉头孔，具体的，每一连接片344上开设有二个所述连接孔，二个所述连接孔分别位于所述连接片344相对的二端。所述连接片344的正面远离所述连接部3442的一侧开设有一结合槽3445，所述结合槽3445沿所述柔性屏32的弯曲轴的方向延伸。所述结合槽3445相对的二端分别穿通所述连接片344相对的二端面，所述结合槽3445远离二个所述连接部3442的一侧穿通所述连接片344的侧面。由此，在连接片344靠近支撑片342的位置形成台阶。所述结合槽3445的厚度等于所述支撑片342的厚度，结合槽3445的厚度介于5微米(μm)与200微米之间(含本数)。进一步地，结合槽3445的厚度介于5微米与50微米之间(含本数)。本发明所称弯曲轴并非限定是实体的轴，也可以是非实体的轴，只要柔性屏32能够绕该轴弯曲均可以认为是弯曲轴。
每一连接片344的弹性模量小于支撑片342的弹性模量并大于柔性屏32的弹性模量。本实施例中，每一连接片344为塑胶片。
在其实施例中，每一连接片344还可以是橡胶片或硅胶片等。
请一并参阅图1至图5，图4是图2的部分组装图；图5是图1中沿V-V线的剖视图组装所述电子装置100时，先将二个所述连接片344与所述支撑片342通过注塑加工的方式结合于一体，使所述支撑片342相对的两侧分别固定于二个所述连接片344的结合槽3445内，即，所述支撑片342相对的两侧分别嵌合于二个连接片344的结合槽3445内。具体的，二个所述连接片344与所述支撑片342是通过纳米注塑加工的方式结合于一体。此时，二个所述连接片344与所述支撑片342一体成型制成，所述支撑片342的正面与二个所述连接片344的正面齐平，以便所述柔性屏32的背面完全贴合于所述支撑片342及二个所述连接片344的正面上。将所述柔性屏支撑机构34装于所述壳体20内，使其中一连接片344的背面贴合于所述第二框体23的正面，另一连接片344的背面贴合于所述滑块26的正面，以及所述支撑片342的背面正对所述铰链25。再提供若干锁固件35分别穿过连接片344上的连接部3442锁固于所述壳体20上的对应的锁固孔202内。此时，所述柔性屏支撑机构34的二个连接片344分别固定于所述第二框体23及所述滑块26，所述支撑片342的背面与所述铰链不固定。再将所述柔性屏32的背面通过光学胶、UV胶、背胶或双面胶等方式固定于所述柔性屏支撑机构34的正面，即，二个所述连接片344的正面固定于所述柔性屏32的非折弯区域，所述支撑片342的正面固定 于所述柔性屏32的可折弯区域31。当然，可以理解地，也可以先将柔性屏32固定贴合于柔性屏支撑机构34上，然后再将柔性屏支撑机构34放置于第一框体21及第二框体23上，将螺丝从下方穿过滑块26及第二框体23而锁入连接片对应的连接部3442内，也可实现整体的组装。
所述纳米注塑加工是指先将支撑片342的金属表面经过纳米化处理后，塑胶直接射出成型在金属表面，让金属与塑胶可以一体成形。所述加工工艺不仅能够兼顾金属外观质感，也可以简化产品结构设计，让产品更轻、薄、短、小。
当然，在其他的实施方式当中，支撑片342与连接片344也可以通过其他的方式固定，如粘胶等。
请参阅图6，图6是本申请第一实施例的电子装置的弯曲状态示意图。使用所述电子装置100时，所述电子装置100沿所述铰链25折弯或展平时，所述支撑片342与所述铰链25之间相对滑动，从而能防止所述铰链25磨损所述柔性屏32的背面；所述弹性件27始终保持拉住所述滑块26，以防止所述柔性屏32对应所述可折弯区域31的区域与所述铰链25分离而拱起。
请参阅图7，图7是本申请的第二实施例中的电子装置的立体分解示意图。本申请电子装置的第二实施例的结构与第一实施例的结构相似，不同之处在于：第二实施例中，连接片344通过卡接的方式固定于所述壳体20，具体的，其中一连接片344卡接于所述第二框体23，另一连接片344卡接于所述滑块26。本实施例中，所述第二框体23及所述滑块26的正面凸设有若干卡钩204，每一连接片344的正面开设有穿通所述连接片344的卡接孔3444。安装所述柔性屏支撑机构34至所述壳体20内时，所述第二框体23上的卡钩204穿过对应的卡接孔3444卡接于其中一连接片344上，所述滑块26上的卡钩204穿过对应的卡接孔3444卡接于另一连接片344上。此时，所述支撑片342对应所述铰链25，且与所述铰链25之间相对滑动；每一卡钩204的头部完全收容于对应的卡接孔3444内，即，每一卡钩204的顶部没有露出对应的连接片344的正面或者与连接片344的正面齐平。
在其他实施例中，每一连接片344的背面凸设有若干卡钩，所述第二框体23及所述滑块26的正面开设有若干卡接孔，其中一连接片344的卡钩卡接于所述第二框体23上对应的卡接孔内，另一连接片344的卡钩卡接于所述滑块26上对应的卡接孔内。
在其他实施例中，每一连接片344的背面凸设有若干卡固柱，所述第二框体23及所述滑块26的正面开设有若干卡孔，其中一连接片344的卡固柱卡接于所述第二框体23上对应的卡孔内，另一连接片344的卡固柱卡接于所述滑块26上对应的卡孔内。
在其他实施例中，其中一连接片344的背面胶接固定于所述第二框体23的正面，另一连接片344的背面胶接固定于所述滑块26的正面。
在其他实施例中，弹性件27可以是弹性橡胶等。
在其他实施例中，所述支撑片342相对的两侧可分别胶接固定于二个所述连接片344上。
在其他实施例中，所述支撑片342可以是柔性的耐磨薄片。在其他实施例中，柔性屏32背面可以设置遮光黑胶层，所述支撑片342的正面胶接固定于所述遮光黑胶层的背面。
在其他实施例中，所述支撑片342的背面与所述铰链25之间设置有润滑材料，所述润滑材料层可以是铁氟龙、聚四氟乙烯层、石墨或二硫化钼等，所述润滑材料层可以固定贴合于所述支撑片342的背面，也可以固定贴合于所述铰链25的正面。当所述电子装置100通过所述铰链25折弯或展平时，由于所述润滑材料层与所述支撑片342的背面或铰链25的正面之间相对滑动，因此，所述支撑片342在所述电子装置100折弯或展平的过程中不会被磨损或者磨损程度较低。
还可以理解地，上述各实施例中，支撑片342均仅设置于可折弯区域，以减少所述支撑片342的用量，以降低生产成本。
当采用液态金属作为支撑片342时，由于其成本较高，且由于工艺限制不易制作出大尺寸，因而本发明实施例仅在对应可折弯区域位置31设有液态金属，在非折弯区域采用连接片344来固定。同时，受限于成本及工艺原因，液态金属的厚度也无法做大，而连接片344可采用塑胶制作，其厚度较大，因而可以通过螺锁的方式固定于壳体20上，避免采用大尺寸的液态金属时由于厚度过小需要通过粘胶贴合于壳体20上时，由于粘胶的蠕变问题导致出现连接不稳定的情况。
还可以理解地，本发明所称“相对滑动”并不限定二个元件之间直接接触并相对滑动，而是还可以包含间隔第三方元件相对滑动，第三方元件也并不限 于实体元件，如片材、膜材等，而是还可以包含非实体元件，如间隙、空间等，或者是实体元件与非实体元件的组合；第三方元件也并不限定为一个，而是可以包含多个。也就是说，只要二个元件有相对滑动的运动关系，不管二个元件的实际位置如何，都可以认为是本发明所称的“相对滑动”的范围内。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (26)

  1. 一种柔性显示装置，包括柔性屏，柔性屏的正面为显示面，所述柔性屏包括可折弯区域，其特征在于，所述柔性屏的背面设置有柔性屏支撑机构，所述柔性屏支撑机构包括对应所述可折弯区域的支撑片，以及设置于所述支撑片一侧的连接片。
  2. 如权利要求1所述的柔性显示装置，其特征在于，所述支撑片的弹性模量大于所述柔性屏的弹性模量。
  3. 如权利要求1所述的柔性显示装置，其特征在于，所述支撑片为液态金属片。
  4. 如权利要求1所述的柔性显示装置，其特征在于，所述支撑片的弹性模量与所述柔性屏的弹性模量之差小于100Gpa。
  5. 如权利要求1所述的柔性显示装置，其特征在于，所述支撑片的正面通过胶体固定贴合于所述柔性屏的背面。
  6. 如权利要求1所述的柔性显示装置，其特征在于，所述连接片与所述支撑片的材料不同。
  7. 如权利要求1所述的柔性显示装置，其特征在于，所述连接片的弹性模量小于所述支撑片的弹性模量并大于所述柔性屏的弹性模量。
  8. 如权利要求1所述的柔性显示装置，其特征在于，所述柔性屏包括位于可折弯区域一侧的非折弯区域，所述连接片固定于非折弯区域。
  9. 如权利要求1所述的柔性显示装置，其特征在于，所述连接片与所述支撑片为一体成型。
  10. 如权利要求1所述的柔性显示装置，其特征在于，所述柔性屏支撑机构用于安装于壳体上，所述柔性屏在弯折时，所述支撑片相对所述壳体与所述支撑片接触的位置滑动，所述连接片相对所述壳体与所述连接片接触的位置固定。
  11. 如权利要求1-10中任一所述的柔性显示装置，其特征在于，所述柔性屏支撑机构还包括设于所述支撑片相对另一侧的连接片，所述支撑片相对的两侧分别固定于二个所述连接片，所述支撑片的正面与二个所述连接片的正面齐平。
  12. 如权利要求11所述的柔性显示装置，其特征在于，每一连接片的正面邻近所述支撑片的一侧开设有结合槽，所述支撑片对应的侧部嵌合于所述结合槽内。
  13. 如权利要求12所述的柔性显示装置，其特征在于，所述结合槽的厚度等于所述支撑片的厚度。
  14. 如权利要求11所述的柔性显示装置，其特征在于，所述柔性屏的背面固定贴合于所述支撑片的正面及二个所述连接片的正面上。
  15. 如权利要求11所述的柔性显示装置，其特征在于，所述连接片的厚度大于所述支撑片的厚度。
  16. 如权利要求11所述的柔性显示装置，其特征在于，二个所述连接片与所述支撑片一体成型制成。
  17. 如权利要求16所述的柔性显示装置，其特征在于，二个所述连接片与所述支撑片通过注塑加工的方式结合于一体。
  18. 如权利要求16所述的柔性显示装置，其特征在于，二个所述连接片与所述支撑片通过纳米注塑加工的方式结合于一体。
  19. 如权利要求11所述的柔性显示装置，其特征在于，每一连接片的正面通过胶体固定贴合于所述柔性屏的背面。
  20. 如权利要求1所述的柔性显示装置，其特征在于，所述支撑片覆盖所述可折弯区域。
  21. 一种电子装置，包括壳体及根据权利要求1-20中任一项中所述的柔性显示装置，所述壳体包括第一框体、第二框体、及连接于所述第一框体与所述第二框体之间的铰链，所述柔性显示装置的柔性屏支撑机构层叠于所述柔性屏的背面与所述壳体之间，所述柔性屏支撑机构的支撑片对应所述铰链，连接片连接于壳体。
  22. 如权利要求21所述的电子装置，其特征在于，连接片上设置有连接部，所述连接片通过所述连接部连接于壳体。
  23. 如权利要求22所述的电子装置，其特征在于，连接部包括连接孔，螺丝穿过连接孔及壳体而将连接片与壳体锁固。
  24. 如权利要求21所述的电子装置，其特征在于，所述柔性显示装置弯折时支撑片相对铰链滑动。
  25. 如权利要求24所述的电子装置，其特征在于，所述壳体还包括滑动设置于所述第一框体内的滑块，以及迫使所述滑块远离所述铰链滑动的弹性件，柔性屏支撑机构还包括另一连接片，其中所述连接片固定于所述第二框体，另一连接片固定于所述滑块。
  26. 如权利要求25所述的电子装置，其特征在于，柔性显示屏弯折时所述弹性件弹性驱动滑块朝远离所述铰链的一端滑动，使所述柔性显示装置在折弯/展平时始终保持与铰链靠近。
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