WO2021232542A1 - 一种可折叠机构及其显示装置 - Google Patents

一种可折叠机构及其显示装置 Download PDF

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Publication number
WO2021232542A1
WO2021232542A1 PCT/CN2020/098729 CN2020098729W WO2021232542A1 WO 2021232542 A1 WO2021232542 A1 WO 2021232542A1 CN 2020098729 W CN2020098729 W CN 2020098729W WO 2021232542 A1 WO2021232542 A1 WO 2021232542A1
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WO
WIPO (PCT)
Prior art keywords
folding hinge
housing
folding
hinge
casing
Prior art date
Application number
PCT/CN2020/098729
Other languages
English (en)
French (fr)
Inventor
鲜于文旭
张卓
冯子康
Original Assignee
武汉华星光电半导体显示技术有限公司
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 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/053,140 priority Critical patent/US11698662B2/en
Priority to JP2021514578A priority patent/JP7235425B2/ja
Priority to KR1020217009291A priority patent/KR102450835B1/ko
Priority to EP20880334.6A priority patent/EP4155560A4/en
Publication of WO2021232542A1 publication Critical patent/WO2021232542A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • 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
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1673—Arrangements for projecting a virtual keyboard
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0247—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings comprising more than two body parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

Definitions

  • the present invention relates to the field of display, in particular to a foldable mechanism and a display device thereof.
  • the development of electronic devices meets the spiritual and material needs of human beings, especially the popularization of miniaturized electronic devices, such as mobile phones and notebook computers, facilitates users to carry electronic devices with them and take them out for use at any time.
  • the folding structure design of the electronic device can meet the needs of being small in size and convenient to carry when it is in standby or transportation, and the operation surfaces can be simultaneously unfolded during use to meet the diverse needs of users. Since the folding design structure often needs to have multiple rotation directions, if the function of multiple angle rotation is achieved, a lot of components are often needed to realize the rotation structure, and the rotation structure is more complicated.
  • OLED organic light-emitting diode
  • the purpose of the present invention is to provide a foldable mechanism and a display device thereof, which are used to solve the technical problem that the folding method of the organic electroluminescent diode electronic device cannot effectively meet the requirements of multifunctional use.
  • the present invention provides a foldable mechanism, including a first folding hinge, a second folding hinge, a third folding hinge, a fourth folding hinge, a first housing, a second housing, a third housing, and The fourth housing; specifically, the first folding hinge is arranged along a first direction; the second folding hinge and the first folding hinge are located in the same direction; the third folding hinge is arranged along a second direction , The second direction is different from the first direction; the fourth folding hinge and the third folding hinge are located in the same direction; the first housing is respectively connected to the first folding hinge and the first folding hinge
  • the three folding hinges are rotatably connected; the second housing is rotatably connected with the second folding hinge and the third folding hinge; the third housing is rotatably connected with the first folding hinge and the The fourth folding hinge is rotatably connected; the fourth housing is respectively rotatably connected with the second folding hinge and the fourth folding hinge.
  • first folding hinge and the second folding hinge are spaced apart, the third folding hinge is spaced apart from the fourth folding hinge, and the position where the first direction and the second direction intersect is A connection or a gap.
  • the connecting portion is a flexible connecting block, and the material of the flexible connecting block includes flexible metal or rubber.
  • the length of the first folding hinge is less than or equal to the length of the side of the first housing and the third housing in the extending direction of the first folding hinge; the length of the second folding hinge is less than or equal to the length of the first folding hinge.
  • the length of the side in the extending direction of the third folding hinge; the length of the fourth folding hinge is less than or equal to the length of the side in the extending direction of the fourth folding hinge of the third housing and the fourth housing.
  • the bending directions of the first folding hinge and the second folding hinge are the same; and the bending directions of the third folding hinge and the fourth folding hinge are the same.
  • first folding hinge, the second folding hinge, the third folding hinge, and the fourth folding hinge each include a plurality of rotating shafts connected to each other, and the rotating shafts are arranged in parallel for bending Then, a transition arc at the bend is formed.
  • the bending angles of the first folding hinge, the second folding hinge, the third folding hinge, and the fourth folding hinge are all 90 degrees to 170 degrees.
  • first folding hinge, the second folding hinge, the third folding hinge, and the fourth folding hinge all have a certain strength of torsion, and are used to overcome the first housing and the first The gravity of the second housing, the third housing and the fourth housing keeps their relative positions unchanged.
  • the present invention also provides a display device, which includes the foldable mechanism.
  • the display device further includes a flexible display screen, which is provided on at least one side surface of the foldable mechanism; when the first folding hinge, the second folding hinge, and the third When the folding hinge and the fourth folding hinge are kept flat, the flexible display screen is in the flat display state; when the first folding hinge and the second folding hinge are kept flat and the third folding hinge When the hinge and the fourth folding hinge are folded outward, the first housing and the second housing are folded and attached, the third housing is folded and attached to the fourth housing, and the flexible The display screen is in a double-sided mobile phone display state; when the first folding hinge and the second folding hinge are folded inward and the third and fourth folding hinges remain flat, the flexible The display screen is in a notebook display state, the flexible display screens corresponding to the first cabinet and the second cabinet display virtual keyboards, and the flexible display screens corresponding to the third cabinet and the fourth cabinet display virtual keyboards.
  • the flexible display screen displays pictures.
  • first folding hinge and the second folding hinge further include an angle sensor; when the first folding hinge and the second folding hinge are bent from the flat panel display state to the notebook display state, The angle sensor sends a control signal to the flexible display, and the flexible display corresponding to the first housing and the second housing displays a virtual keyboard.
  • the advantage of the present invention is to provide a foldable mechanism and a display device thereof.
  • the multifunctional foldable mechanism has both inner and outer folding functions, so that the display device can realize three display states: tablet, mobile phone, and notebook.
  • the design of the foldable mechanism increases the diversity of the use state of the display device, and has fewer components.
  • the simple structure can meet the needs of users for multi-angle rotation of the display device to realize multi-functional applications, and improve the user experience.
  • FIG. 1 is a schematic diagram of the front structure of the display device in the flat panel display state in the embodiment of the present invention
  • FIG. 2 is a schematic diagram of the rear structure of the display device in the flat panel display state in the embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the structure of the display device in the mobile phone display state in the embodiment of the present invention.
  • FIG. 4 is a schematic diagram of the front structure of the display device in the notebook display state in the embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the rear structure of the display device in the notebook display state in the embodiment of the present invention.
  • the connecting part 2. The first folding hinge, 3. The second folding hinge,
  • the third folding hinge 5.
  • the fourth folding hinge 6.
  • the second housing 8. The third housing, 9. The fourth housing,
  • an embodiment of the present invention provides a display device 100 that includes a foldable mechanism 10.
  • the foldable mechanism 10 has both inner folding and outer folding functions, so that the display device 100 has three display states: tablet, mobile phone, and notebook.
  • the design of the foldable mechanism 10 increases the diversity of the use states of the display device 100, has fewer components, and has a simple structure. It can meet the needs of users for multi-angle rotation of the display device 100 to realize multi-functional applications and improve user experience.
  • the display device 100 further includes a flexible display screen 20, and the flexible display screen 20 is provided on both sides of the foldable mechanism 10.
  • FIG. 1 is a schematic diagram of the front structure of the display device 100 in the flat panel display state in the embodiment of the present invention
  • FIG. 2 is a schematic diagram of the back structure of the display device 100 in the flat panel display state in the embodiment of the present invention
  • Figure 3 is a schematic diagram of the exploded structure of the display device 100 in the flat panel display state in the embodiment of the present invention
  • Figure 4 is a schematic diagram of the front structure of the display device 100 in the mobile phone display state in the embodiment of the present invention
  • Figure 5 is A schematic diagram of the rear structure of the display device 100 in the mobile phone display state in the embodiment of the present invention.
  • the foldable mechanism 10 includes a first folding hinge 2, a second folding hinge 3, a third folding hinge 4, a fourth folding hinge 5, a first machine Case 6, second case 7, third case 8, and fourth case 9.
  • the first folding hinge 2 is arranged along a first direction; the second folding hinge 3 and the first folding hinge 2 are located in the same direction; the third folding hinge 4 Set along the second direction, the second direction is different from the first direction, preferably the first direction is perpendicular to the second direction; the fourth folding hinge 5 and the third folding hinge 4 are located at the same Direction; the first housing 6 is rotatably connected with the first folding hinge 2, the third folding hinge 4; the second housing 7 is respectively connected with the second folding hinge 3, the The third folding hinge 4 is rotatably connected; the third housing 8 is rotatably connected with the first folding hinge 2 and the fourth folding hinge 5; the fourth housing 9 is rotatably connected with the The second folding hinge 3 and the fourth folding hinge 5 are rotatably connected.
  • first folding hinge 2 and the second folding hinge 3 are spaced apart, and the third folding hinge 4 is spaced apart from the fourth folding hinge 5, in the first direction and the The intersection position in the second direction is a connecting portion 1 or a gap 11.
  • the connecting portion 1 is a flexible connecting block, and the material of the flexible connecting block includes flexible metal or rubber, preferably a flexible stainless steel material, which can be deformed and restored during bending, reducing stress and Filling the gap 11 plays a supporting role.
  • the connecting portion 1 has a rectangular shape, preferably a square shape.
  • the length of the first folding hinge 2 is less than or equal to the side length of the first housing 6 and the third housing 8 in the extending direction of the first folding hinge 2;
  • the length of the hinge 3 is less than or equal to the length of the side of the second housing 7 and the fourth housing 9 in the extension direction of the second folding hinge;
  • the length of the third folding hinge 4 is less than or equal to the first housing
  • the length of the fourth folding hinge 5 is less than or equal to the third casing 8 and the fourth casing 9 The length of the side in the extending direction of the fourth folding hinge 5.
  • the side length of the first housing 6 and the third housing 8 in the extending direction of the first folding hinge 2 is the same as the length of the first folding hinge 2; the second housing 7 , The length of the side of the fourth casing 9 in the extension direction of the second folding hinge 3 is the same as the length of the second folding hinge 3; the first casing 6 and the second casing 7 are The length of the side in the extending direction of the third folding hinge 4 is the same as the length of the second folding hinge 3; the sides of the third housing 8 and the fourth housing 9 in the extending direction of the fourth folding hinge 5 The length is the same as the length of the fourth folding hinge 5.
  • first folding hinge 2 and the second folding hinge 3 have the same bending direction; the third folding hinge 4 and the fourth folding hinge 5 have the same bending direction.
  • the bending directions of the first folding hinge 2 and the second folding hinge 3 are opposite to the bending directions of the third folding hinge 4 and the fourth folding hinge 5; preferably, the first folding hinge The bending direction of the hinge 2 and the second folding hinge 3 is inward folding, the bending direction of the third folding hinge 4 and the fourth folding hinge 5 is outward folding, or the two bending directions are reversed .
  • first the first folding hinge 2 and the second folding hinge 3 are folded inwardly, and then the third folding hinge 4 and the fourth folding hinge 5 are folded outwardly, thereby completing the cross folding.
  • the inward folding and outward folding can be implemented separately.
  • the first folding hinge 2, the second folding hinge 3, the third folding hinge 4, and the fourth folding hinge 5 all include a plurality of rotating shafts connected to each other, and the rotating shafts are arranged in parallel , Used to form a transition arc at the bend after bending.
  • This embodiment preferably has four rotating shafts, of which the middle two rotating shafts are connected together, and their upper and lower ends are respectively hinged with the two outer rotating shafts.
  • the hinged joint has a certain strength of torsion.
  • the two outer rotating shafts can be opposite to the middle. The two rotating shafts rotate and stay at any position without rotating.
  • the middle rotating shaft is hinged to the two outer rotating shafts, and its structure is similar to four rotating shafts, but the difference is that the upper and lower ends of the four rotating shafts can better interact with each other.
  • the two outer shafts are hinged, and the three shafts need to be arranged in a staggered position at the hinge.
  • two rotating shafts can also be provided, and the two rotating shafts can be hinged to rotate with each other, which can also achieve the above-mentioned purpose, and the manner can also refer to the connection mode of the above-mentioned three rotating shafts. It is worth noting that when the number of rotating shafts increases, the transition arc at the bend formed after bending becomes smoother.
  • the bending angles of the first folding hinge 2, the second folding hinge 3, the third folding hinge 4, and the fourth folding hinge 5 are all 360 degrees, preferably set to 90 degrees To 170 degrees.
  • the bending angles of the first folding hinge 2, the second folding hinge 3, the third folding hinge 4, and the fourth folding hinge 5 are not limited, they can all achieve inward folding and The function of folding outwards, so as to complete the cross folding or separately implement inward folding and outward folding.
  • first folding hinge 2, the second folding hinge 3, the third folding hinge 4, and the fourth folding hinge 5 all have a certain strength of torsion for overcoming the first folding hinge.
  • the gravity of the housing 6, the second housing 7, the third housing 8, and the fourth housing 9 keep their relative positions unchanged, which improves user experience.
  • An embodiment of the present invention also provides a display device 100 including the foldable mechanism 10. Further, the display device 100 further includes a flexible display screen 20 which is provided on at least one side surface of the foldable mechanism 10, preferably the flexible display screen 20 is provided on the foldable mechanism 10. The two sides of the surface, so that double-sided display can be achieved.
  • the three display states of the display device 100 are described in detail below in conjunction with the specific structure of the foldable mechanism 10: a tablet, a mobile phone, and a notebook.
  • the flexible display screen 20 is in the flat-panel display state; in the "flat-panel” display state, the first folding hinge 2, the second folding hinge 3, and the third folding hinge of the foldable mechanism 10
  • the folding hinge 4 and the fourth folding hinge 5 are all in a flat state, and the upper part of the first housing 6, the second housing 7, the third housing 8 and the fourth housing 9
  • the surfaces are on the same plane, the flexible display screen 20 is attached to the upper surface of the four cabinets 6, and the four cabinets 6 provide plane support for the flexible display screen 20.
  • the foldable display device forms a double-sided full-screen "mobile phone" with screens on both sides. At this time, the size of the edge of the device is doubled, which is convenient for carrying and improves user experience.
  • the flexible display screen 20 is in a notebook display state, and the flexible display screen 20 corresponding to the first casing 6 and the second casing 7 displays a virtual keyboard as the keyboard of the "notebook", and The flexible display screen 20 corresponding to the third casing 8 and the fourth casing 9 displays pictures as a display of a "notebook".
  • the virtual keyboard can be used as a "notebook" keyboard to complete the signal input through the hand touch.
  • an angle sensor (not shown) is also included in the first folding hinge 2, the second folding hinge 3; when the first folding hinge 2, the second folding hinge 3 When the display state is bent to the notebook display state, that is, when the first folding hinge 2 and the second folding hinge 3 are bent from 180 degrees to 170 degrees or less, the angle sensor sends a control signal to the flexible
  • the display screen 20 displays a virtual keyboard on the flexible display screen 20 corresponding to the first housing 6 and the second housing 7.
  • the advantage of the present invention is to provide a foldable mechanism and a display device thereof.
  • the multifunctional foldable mechanism has both inner and outer folding functions, so that the display device can realize three display states: tablet, mobile phone, and notebook.
  • the design of the foldable mechanism increases the diversity of the use state of the display device, and has fewer components.
  • the simple structure can meet the needs of users for multi-angle rotation of the display device to realize multi-functional applications, and improve the user experience.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种可折叠机构(10)及包括可折叠机构(10)的显示装置(100)，可折叠机构(10)包括第一折叠铰链(2)、第二折叠铰链(3)、第三折叠铰链(4)、第四折叠铰链(5)、第一机壳(6)、第二机壳(7)、第三机壳(8)以及第四机壳(9)。多功能可折叠机构(10)同时具有内折叠、外折叠功能，使得显示装置(100)可以实现三种显示状态：平板、手机、笔记本。

Description

一种可折叠机构及其显示装置 技术领域
本发明涉及显示领域，尤其涉及一种可折叠机构及其显示装置。
 背景技术
电子装置的发展满足了人类的精神与物质需求，特别是小型化的电子装置，如手机、笔记本电脑的普及方便使用者将电子装置随身携带，并随时取出使用。而电子装置的折叠的结构设计可满足当其待机或运输时体积小而方便携带，在使用时各操作面可同时展开以满足使用者的多样需求。由于折叠的设计结构往往需要具有多个旋转方向，因此如果达成多个角度旋转的功能往往需要很多的元件来实现，则旋转结构较为复杂。
目前有机发光二极管（OLED）电子装置以其可弯曲可挠曲受到广泛关注，目前搭载柔性OLED的主流可折叠机构的折叠方式为内折和外折，但其结构形式还不能满足多功能的使用需求。
 技术问题
本发明的目的在于，提供一种可折叠机构及其显示装置，用于解决有机电致发光二极管电子装置的折叠方式无法有效满足多功能的使用需求的技术问题。
 技术解决方案
为了实现上述目的，本发明提供一种可折叠机构，包括第一折叠铰链、第二折叠铰链、第三折叠铰链、第四折叠铰链、第一机壳、第二机壳、第三机壳以及第四机壳；具体的讲，所述第一折叠铰链沿第一方向设置；所述第二折叠铰链与所述第一折叠铰链位于同一方向上；所述第三折叠铰链沿第二方向设置，所述第二方向与所述第一方向不同；所述第四折叠铰链与所述第三折叠铰链位于同一方向上；所述第一机壳分别与所述第一折叠铰链、所述第三折叠铰链可转动式连接；所述第二机壳分别与所述第二折叠铰链、所述第三折叠铰链可转动式连接；所述第三机壳分别与所述第一折叠铰链、所述第四折叠铰链可转动式连接；所述第四机壳分别与所述第二折叠铰链、所述第四折叠铰链可转动式连接。
进一步地，所述第一折叠铰链与所述第二折叠铰链间隔设置，所述第三折叠铰链与所述第四折叠铰链间隔设置，在所述第一方向和所述第二方向相交位置为一连接部或一间隙。
进一步地，在所述连接部为一柔性连接块，所述柔性连接块的材质包括柔性金属或橡胶。
进一步地，所述第一折叠铰链的长度小于等于所述第一机壳、所述第三机壳在所述第一折叠铰链延伸方向的边长；所述第二折叠铰链的长度小于等于所述第二机壳、所述第四机壳在所述第二折叠铰链延伸方向的边长；所述第三折叠铰链的长度小于等于所述第一机壳、所述第二机壳在所述第三折叠铰链延伸方向的边长；所述第四折叠铰链的长度小于等于所述第三机壳、所述第四机壳在所述第四折叠铰链延伸方向的边长。
进一步地，所述第一折叠铰链与所述第二折叠铰链的弯折方向相同；所述第三折叠铰链与所述第四折叠铰链的弯折方向相同。
进一步地，所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链以及所述第四折叠铰链均包括若干个相互连接的转轴，所述转轴平行设置，用于在弯折后形成弯折处的过渡圆弧。
进一步地，所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链以及所述第四折叠铰链的弯折角度均为90度至170度。
进一步地，所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链以及所述第四折叠铰链均具有一定强度的扭力，用于克服所述第一机壳、所述第二机壳、所述第三机壳以及所述第四机壳的重力保持其相对位置不变。
本发明还提供一种显示装置，其包括所述可折叠机构。
进一步地，所述显示装置还包括柔性显示屏，所述柔性显示屏设于所述可折叠机构的至少一侧表面；当所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链及所述第四折叠铰链均保持展平状态时，所述柔性显示屏呈平板显示状态；当所述第一折叠铰链、所述第二折叠铰链保持展平状态且所述第三折叠铰链、所述第四折叠铰链向外折叠时，所述第一机壳与所述第二机壳对折贴合，所述第三机壳与所述第四机壳对折贴合，所述柔性显示屏呈双面屏手机显示状态；当所述第一折叠铰链、所述第二折叠铰链向内折叠且所述第三折叠铰链、所述第四折叠铰链保持展平状态时，所述柔性显示屏呈笔记本显示状态，与所述第一机壳、所述第二机壳对应设置的所述柔性显示屏显示虚拟键盘，与所述第三机壳、所述第四机壳对应设置的所述柔性显示屏显示画面。
进一步地，在所述第一折叠铰链、所述第二折叠铰链内还包括角度传感器；当所述第一折叠铰链、所述第二折叠铰链由平板显示状态弯折至笔记本显示状态时，所述角度传感器发出控制信号至所述柔性显示屏，与所述第一机壳、所述第二机壳对应设置的所述柔性显示屏显示虚拟键盘。
 有益效果
本发明的优点在于，提供一种可折叠机构及其显示装置，多功能可折叠机构同时具有内折叠、外折叠功能，使得显示装置可以实现三种显示状态：平板、手机、笔记本。可折叠机构的设计增加了显示装置使用状态的多样性，且元件较少，结构简单的同时可满足用户对显示装置的多角度旋转实现多功能应用的需求，提高用户体验度。
 附图说明
图1为本发明实施例中所述显示装置在平板显示状态时的正面结构示意图；
图2为本发明实施例中所述显示装置在平板显示状态时的背面结构示意图；
图3为本发明实施例中所述显示装置在手机显示状态时的结构示意图；
图4为本发明实施例中所述显示装置在笔记本显示状态时的正面结构示意图；
图5为本发明实施例中所述显示装置在笔记本显示状态时的背面结构示意图。
图中部件标识如下：
1、连接部，2、第一折叠铰链，3、第二折叠铰链，
4、第三折叠铰链，5、第四折叠铰链，6、第一机壳，
7、第二机壳，8、第三机壳，9、第四机壳，
10、可折叠机构，11、间隙，20、柔性显示屏，
100、显示装置。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
本发明的附图仅用于示意相对位置关系和连接关系，某些部位的层厚采用了夸示的绘图方式以便于理解，附图中的层厚并不代表实际层厚的比例关系。
请参阅图1-图5所示，本发明实施例提供一种显示装置100，其包括一种可折叠机构10。所述可折叠机构10同时具有内折叠、外折叠功能，使得所述显示装置100具有三种显示状态：平板、手机、笔记本。可折叠机构10的设计增加了显示装置100使用状态的多样性，且元件较少，结构简单的同时可满足用户对显示装置100的多角度旋转实现多功能应用的需求，提高用户体验。
本实施例中，所述显示装置100还包括柔性显示屏20，所述柔性显示屏20设于所述可折叠机构10的两侧表面。
在图示中，图1为本发明实施例中所述显示装置100在平板显示状态时的正面结构示意图；图2为本发明实施例中所述显示装置100在平板显示状态时的背面结构示意图；图3为本发明实施例中所述显示装置100在平板显示状态时的分解结构示意图；图4为本发明实施例中所述显示装置100在手机显示状态时的正面结构示意图；图5为本发明实施例中所述显示装置100在手机显示状态时的背面结构示意图。
请参阅图1-图5所示，本发明实施例中，所述可折叠机构10包括第一折叠铰链2、第二折叠铰链3、第三折叠铰链4、第四折叠铰链5、第一机壳6、第二机壳7、第三机壳8以及第四机壳9。
具体的讲，如图2所示，所述第一折叠铰链2沿第一方向设置；所述第二折叠铰链3与所述第一折叠铰链2位于同一方向上；所述第三折叠铰链4沿第二方向设置，所述第二方向与所述第一方向不同，优选所述第一方向与所述第二方向垂直；所述第四折叠铰链5与所述第三折叠铰链4位于同一方向上；所述第一机壳6分别与所述第一折叠铰链2、所述第三折叠铰链4可转动式连接；所述第二机壳7分别与所述第二折叠铰链3、所述第三折叠铰链4可转动式连接；所述第三机壳8分别与所述第一折叠铰链2、所述第四折叠铰链5可转动式连接；所述第四机壳9分别与所述第二折叠铰链3、所述第四折叠铰链5可转动式连接。
本实施例中，所述第一折叠铰链2与所述第二折叠铰链3间隔设置，所述第三折叠铰链4与所述第四折叠铰链5间隔设置，在所述第一方向和所述第二方向相交位置为一连接部1或一间隙11。
本实施例中，在所述连接部1为一柔性连接块，所述柔性连接块的材质包括柔性金属或橡胶，优选为柔性不锈钢材质，可实现在弯折时变形并能复原，减少应力并填充所述间隙11起到支撑作用。所述连接部1呈矩形，优选呈正方形。
本实施例中，所述第一折叠铰链2的长度小于等于所述第一机壳6、所述第三机壳8在所述第一折叠铰链2延伸方向的边长；所述第二折叠铰链3的长度小于等于所述第二机壳7、所述第四机壳9在所述第二折叠铰链延伸方向的边长；所述第三折叠铰链4的长度小于等于所述第一机壳6、所述第二机壳7在所述第三折叠铰链4延伸方向的边长；所述第四折叠铰链5的长度小于等于所述第三机壳8、所述第四机壳9在所述第四折叠铰链5延伸方向的边长。优选地，所述第一机壳6、所述第三机壳8在所述第一折叠铰链2延伸方向的边长与所述第一折叠铰链2的长度相同；所述第二机壳7、所述第四机壳9在所述第二折叠铰链3延伸方向的边长与所述第二折叠铰链3的长度相同；所述第一机壳6、所述第二机壳7在所述第三折叠铰链4延伸方向的边长与所述第二折叠铰链3的长度相同；所述第三机壳8、所述第四机壳9在所述第四折叠铰链5延伸方向的边长与所述第四折叠铰链5的长度相同。
本实施例中，所述第一折叠铰链2与所述第二折叠铰链3的弯折方向相同；所述第三折叠铰链4与所述第四折叠铰链5的弯折方向相同。具体的，所述第一折叠铰链2与所述第二折叠铰链3的弯折方向与所述第三折叠铰链4与所述第四折叠铰链5的弯折方向相反；优选所述第一折叠铰链2与所述第二折叠铰链3的弯折方向为向内折叠，所述第三折叠铰链4与所述第四折叠铰链5的弯折方向为向外折叠，或者两者弯折方向对调。在使用时，首先所述第一折叠铰链2与所述第二折叠铰链3向内折叠，然后所述第三折叠铰链4与所述第四折叠铰链5向外折叠，从而完成十字折叠。当然，其中向内折叠和向外折叠的方式可单独实施。
本实施例中，所述第一折叠铰链2、所述第二折叠铰链3、所述第三折叠铰链4以及所述第四折叠铰链5均包括若干个相互连接的转轴，所述转轴平行设置，用于在弯折后形成弯折处的过渡圆弧。本实施例优选为四个转轴，其中中间两个转轴连接在一起，其上下端部分别与外侧的两个转轴铰接，在铰接处具有一定的强度的扭力，外侧的两个转轴可相对与中间两个转轴旋转且在任意位置停留而不转动。在其他实施例中，也可设置为三个转轴，中间的转轴分别与外侧的两个转轴铰接，其结构形式类似四个转轴，但不同的是四个转轴的上下两端能更好地与外侧的两个转轴铰接，而三个转轴在铰接处需错位设置。在其他实施例中，也可设置为两个转轴，两个转轴相互铰接旋转，也能实现上述目的，其方式也可参考上述三个转轴的连接方式。值得注意的是，当转轴的数量增加时，在弯折后形成弯折处的过渡圆弧越平滑。
本实施例中，所述第一折叠铰链2、所述第二折叠铰链3、所述第三折叠铰链4以及所述第四折叠铰链5的弯折角度均为360度，优选设置为90度至170度。当所述第一折叠铰链2、所述第二折叠铰链3、所述第三折叠铰链4以及所述第四折叠铰链5的弯折角度不做限位时，其均可实现向内折叠以及向外折叠的功能，从而完成十字折叠或单独实施向内折叠和向外折叠的方式。
本实施例中，所述第一折叠铰链2、所述第二折叠铰链3、所述第三折叠铰链4以及所述第四折叠铰链5均具有一定强度的扭力，用于克服所述第一机壳6、所述第二机壳7、所述第三机壳8以及所述第四机壳9的重力保持其相对位置不变，提高用户体验。
本发明实施例还提供一种显示装置100，其包括所述可折叠机构10。进一步地，所述显示装置100还包括柔性显示屏20，所述柔性显示屏20设于所述可折叠机构10的至少一侧表面，优选所述柔性显示屏20设于所述可折叠机构10的两侧表面，这样可实现双面显示。下面结合所述可折叠机构10的具体结构详细说明所述显示装置100具有的三种显示状态：平板、手机、笔记本。
请参阅图1、图2所示，本实施例中，当所述第一折叠铰链2、所述第二折叠铰链3、所述第三折叠铰链4及所述第四折叠铰链5均保持展平状态时，所述柔性显示屏20呈平板显示状态；在“平板”显示状态下，所述可折叠机构10的所述第一折叠铰链2、所述第二折叠铰链3、所述第三折叠铰链4及所述第四折叠铰链5都处于展平状态，所述第一机壳6、所述第二机壳7、所述第三机壳8与所述第四机壳9的上表面处于同一平面，所述柔性显示屏20贴附在4个机壳6上表面，4个机壳6对所述柔性显示屏20提供平面支撑。
请参阅图3所示，当所述第一折叠铰链2、所述第二折叠铰链3保持展平状态且所述第三折叠铰链4、所述第四折叠铰链5向外折叠时，所述第一机壳6与所述第二机壳7对折贴合，所述第三机壳8与所述第四机壳9对折贴合，所述柔性显示屏20呈双面屏手机显示状态，从而使可折叠显示设备形成正反面都有屏幕的双面全面屏“手机”，此时设备边缘的尺寸缩小一倍，利于携带，提高用户体验。
请参阅图4、图5所示，当所述第一折叠铰链2、所述第二折叠铰链3向内折叠且所述第三折叠铰链4、所述第四折叠铰链5保持展平状态时，所述柔性显示屏20呈笔记本显示状态，与所述第一机壳6、所述第二机壳7对应设置的所述柔性显示屏20显示虚拟键盘，作为“笔记本”的键盘，与所述第三机壳8、所述第四机壳9对应设置的所述柔性显示屏20显示画面，作为“笔记本”的显示器。通过手触控虚拟键盘可完成作为“笔记本”键盘的信号输入。
本实施例中，在所述第一折叠铰链2、所述第二折叠铰链3内还包括角度传感器（未图示）；当所述第一折叠铰链2、所述第二折叠铰链3由平板显示状态弯折至笔记本显示状态时，亦即当所述第一折叠铰链2、所述第二折叠铰链3由180度弯折至170度以下时，所述角度传感器发出控制信号至所述柔性显示屏20，与所述第一机壳6、所述第二机壳7对应设置的所述柔性显示屏20显示虚拟键盘。
本发明的优点在于，提供一种可折叠机构及其显示装置，多功能可折叠机构同时具有内折叠、外折叠功能，使得显示装置可以实现三种显示状态：平板、手机、笔记本。可折叠机构的设计增加了显示装置使用状态的多样性，且元件较少，结构简单的同时可满足用户对显示装置的多角度旋转实现多功能应用的需求，提高用户体验度。
以上所述仅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，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，这些改进和润饰也应视为本发明的保护范围。

Claims (11)

  1. 一种可折叠机构，其包括：
    第一折叠铰链，沿第一方向设置；
    第二折叠铰链，与所述第一折叠铰链位于同一方向上；
    第三折叠铰链，沿第二方向设置，所述第二方向与所述第一方向相交设置；
    第四折叠铰链，与所述第三折叠铰链位于同一方向上；
    第一机壳，分别与所述第一折叠铰链、所述第三折叠铰链可转动式连接；
    第二机壳，分别与所述第二折叠铰链、所述第三折叠铰链可转动式连接；
    第三机壳，分别与所述第一折叠铰链、所述第四折叠铰链可转动式连接；以及
    第四机壳，分别与所述第二折叠铰链、所述第四折叠铰链可转动式连接。
  2. 根据权利要求1所述的一种可折叠机构，其中，所述第一折叠铰链与所述第二折叠铰链间隔设置，所述第三折叠铰链与所述第四折叠铰链间隔设置，在所述第一方向和所述第二方向相交位置为一连接部或一间隙。
  3. 根据权利要求2所述的一种可折叠机构，其中，所述连接部为一柔性连接块，所述柔性连接块的材质包括柔性金属或橡胶。
  4. 根据权利要求1所述的一种可折叠机构，其中，
    所述第一折叠铰链的长度小于等于所述第一机壳、所述第三机壳在所述第一折叠铰链延伸方向的边长；
    所述第二折叠铰链的长度小于等于所述第二机壳、所述第四机壳在所述第二折叠铰链延伸方向的边长；
    所述第三折叠铰链的长度小于等于所述第一机壳、所述第二机壳在所述第三折叠铰链延伸方向的边长；
    所述第四折叠铰链的长度小于等于所述第三机壳、所述第四机壳在所述第四折叠铰链延伸方向的边长。
  5. 根据权利要求1所述的一种可折叠机构，其中，所述第一折叠铰链与所述第二折叠铰链的弯折方向相同；所述第三折叠铰链与所述第四折叠铰链的弯折方向相同。
  6. 根据权利要求1所述的一种可折叠机构，其中，所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链以及所述第四折叠铰链均包括若干个相互连接的转轴，所述转轴平行设置，用于在弯折后形成弯折处的过渡圆弧。
  7. 根据权利要求1所述的一种可折叠机构，其中，所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链以及所述第四折叠铰链的弯折角度均为90度至170度。
  8. 根据权利要求1所述的一种可折叠机构，其中，所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链以及所述第四折叠铰链均具有一定强度的扭力，用于克服所述第一机壳、所述第二机壳、所述第三机壳以及所述第四机壳的重力保持其相对位置不变。
  9. 一种显示装置，其中，包括权利要求1所述的一种可折叠机构。
  10. 根据权利要求9所述的一种显示装置，其中，还包括：
    柔性显示屏，设于所述可折叠机构的至少一侧表面；
    当所述第一折叠铰链、所述第二折叠铰链、所述第三折叠铰链及所述第四折叠铰链均保持展平状态时，所述柔性显示屏呈平板显示状态；
    当所述第一折叠铰链、所述第二折叠铰链保持展平状态且所述第三折叠铰链、所述第四折叠铰链向外折叠时，所述第一机壳与所述第二机壳对折贴合，所述第三机壳与所述第四机壳对折贴合，所述柔性显示屏呈双面屏手机显示状态；
    当所述第一折叠铰链、所述第二折叠铰链向内折叠且所述第三折叠铰链、所述第四折叠铰链保持展平状态时，所述柔性显示屏呈笔记本显示状态，与所述第一机壳、所述第二机壳对应设置的所述柔性显示屏显示虚拟键盘，与所述第三机壳、所述第四机壳对应设置的所述柔性显示屏显示画面。
  11. 根据权利要求9所述的一种显示装置，其中，
    在所述第一折叠铰链、所述第二折叠铰链内还包括角度传感器；
    当所述第一折叠铰链、所述第二折叠铰链由平板显示状态弯折至笔记本显示状态时，所述角度传感器发出控制信号至所述柔性显示屏，与所述第一机壳、所述第二机壳对应设置的所述柔性显示屏显示虚拟键盘。
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