WO2020224193A1 - 可折叠显示装置 - Google Patents

可折叠显示装置 Download PDF

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Publication number
WO2020224193A1
WO2020224193A1 PCT/CN2019/112642 CN2019112642W WO2020224193A1 WO 2020224193 A1 WO2020224193 A1 WO 2020224193A1 CN 2019112642 W CN2019112642 W CN 2019112642W WO 2020224193 A1 WO2020224193 A1 WO 2020224193A1
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WO
WIPO (PCT)
Prior art keywords
display screen
folding
foldable
gear
display device
Prior art date
Application number
PCT/CN2019/112642
Other languages
English (en)
French (fr)
Inventor
谢永球
陈一举
Original Assignee
惠州Tcl移动通信有限公司
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 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to US17/435,769 priority Critical patent/US11812568B2/en
Priority to EP19928085.0A priority patent/EP3859721A4/en
Publication of WO2020224193A1 publication Critical patent/WO2020224193A1/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
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • 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
    • 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
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • 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
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • 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

  • This application relates to the field of display technology, in particular to a foldable display device.
  • the embodiment of the present application provides a foldable display device, which can improve folding reliability.
  • an embodiment of the present application provides a foldable display device including a body, a main display screen and an auxiliary display screen, the main display screen and the auxiliary display screen are connected by a foldable mechanism to realize the main display screen and the auxiliary display Folding and unfolding between the screens; after unfolding, the main display and the auxiliary display are combined into one large screen.
  • the auxiliary display screen is located on the body, and after folding, the main display screen is stacked on the auxiliary display screen.
  • the middle position of the large screen is curled to tightly contact the inner surface of the foldable mechanism.
  • the main display screen and the auxiliary display screen are both touch screens.
  • the foldable mechanism includes: two sets of synchronous gear group hinges for transmitting the power of the gear hinge; a central folding section connecting the two sets of synchronous gear group hinges , And symmetrically arranged with the central folding section as the central component, the two sides are respectively connected with the two secondary folding sections and the folding section head and the folding section tail with screws.
  • the other end of the folding section head is connected to the main display screen shell, and the folding section
  • the other end of the tail is connected with the auxiliary display housing;
  • a central folding section cover is covered on the hinge of the gear unit through a screw connection, which can not only support the display, but also avoid direct contact between the display and the gear.
  • the synchronous gear set hinge adopts a symmetrical design, and is mainly composed of a center base, an active primary support, an active gear set, an active secondary support, a passive secondary support, a passive gear set, and a passive
  • the first level bracket consists of seven parts.
  • the central base includes: a central rotating gear set composed of a main bracket and four gears, and two brackets supporting the gear set.
  • the central folding joint is fixedly connected, and an axisymmetrically designed rack is provided on the main support under the main and driven gear sets to mesh with the upper gears respectively.
  • the active primary bracket includes two brackets that are fixedly connected by screws, and one end has a limited arc chute, which can cooperate with the fixed shaft of the active secondary bracket to fix the track. Sliding, the other end is directly fixedly connected with the folding tail and the auxiliary display shell screw.
  • the driving gear set includes four gears arranged in a straight line and meshed back and forth.
  • the front gear meshes with the rack of the bracket on the active primary bracket and transmits force through the two middle gears.
  • the rear gear meshes with the rack on the main support, so the rear gear will make a fixed track rotating meshing movement on the rack on the main support.
  • the active secondary bracket includes five fixed brackets, wherein the brackets are respectively fixedly connected with the bracket screws to provide two ends of the driving gear set in the middle with rotating support, which can be mounted together with the rear gear
  • the rack of the main bracket makes a fixed track of rotational meshing movement.
  • the passive secondary support includes five supports and is designed axisymmetrically with the active secondary support.
  • the passive gear set includes four gears arranged in a straight line and meshed back and forth.
  • the front gear receives the rotating force generated by turning the passive secondary bracket, and transmits the force to the rear end through the gear rotation meshing. gear.
  • the passive primary support includes a support, which is designed axisymmetrically with the active primary support, and has a limited arc chute at one end, which can cooperate with the fixed shaft of the passive secondary support for a fixed section With the sliding of the track, the other end is directly fixedly connected with the folding section head and the main display screen shell, and the rack on the bracket and the rear gear can be engaged.
  • the rack on the support drives the gear to rotate, and the fixed rack on the main support
  • the rotation of the gear is transmitted to the gear, which drives the bracket that matches with the rack and pinion, so the passive secondary bracket starts to flip along the limit arc chute, and the flip drives the front gear of the passive gear set to the fixed rack of the main bracket
  • the front-end gear transmits the rotation to the rear-end gear. Under the action of the rotating force generated by the meshing of the rack on the bracket and the rear-end gear, it turns over together with the folding joint and the main display housing.
  • the folding mechanism will perform the folding action, and the inner surface of the folding mechanism is turned to form a circle
  • the arc, and the circumference of the arc is consistent with the length of the inner surface of the folding mechanism in the unfolded state, so the length of the main display housing, auxiliary display housing and the inner surface of the folding mechanism remain unchanged, and the display curls close to the inner surface of the folding mechanism Down, the overall length can always remain the same.
  • the folded portion of the foldable mechanism after being folded is an arc surface.
  • a camera In the foldable display device, a camera, a USB interface, and Bluetooth are provided on the body.
  • the external dimensions of the main display screen and the auxiliary display screen are the same, and the size of the joint is the same.
  • the embodiments of the present application also provide a foldable display device, including a body, a main display screen and an auxiliary display screen, wherein the main display screen and the auxiliary display screen are connected by a foldable mechanism to realize the main display
  • the main display screen is stacked It is placed on the auxiliary display screen, and the middle position of the large screen is curled close to the inner surface of the foldable mechanism.
  • the auxiliary display screen is located on the body, after being folded, the main display screen is stacked on the auxiliary display screen, and the middle position of the large screen is curled close to the foldable mechanism The inner surface.
  • the foldable display device provided by the embodiment of the present application completely subverts the industrial design of the traditional display screen, and brings unprecedented changes in user experience and interaction. It is convenient to carry and store in the folded state, and you can get a high-quality large screen experience in the unfolded state.
  • the two can switch freely; the synchronous gear folding mechanism is reliable and stable during the folding movement of the display screen, and can rotate freely within a certain angle; synchronous gear
  • the folding display device is in the folded state, the main display housing and the auxiliary display housing, as well as the folding mechanism and the display are evenly attached, which not only has a smooth and beautiful visual effect during the folding process, but also reduces the bending performance requirements of the folding terminal on the display. Improved bending reliability.
  • FIG. 1a is a diagram of the first unfolded state of the foldable display device provided by an embodiment of the application.
  • FIG. 1b is a diagram of a second unfolded state of the foldable display device provided by an embodiment of the application.
  • FIG. 2a is a diagram of the first folding state of the foldable display device provided by an embodiment of the application.
  • FIG. 2b is a diagram of a second folding state of the foldable display device according to an embodiment of the application.
  • FIG. 3 is a first state diagram of the folding mechanism in the foldable display device provided by an embodiment of the application.
  • FIG. 4 is an exploded structural diagram of the folding mechanism in the foldable display device provided by an embodiment of the application.
  • FIG. 5 is an exploded structure diagram of the hinge of the synchronous gear set in the foldable display device provided by an embodiment of the application.
  • FIG. 6 is a second state diagram of the folding mechanism in the foldable display device provided by the embodiment of the application.
  • FIG. 7 is a diagram of the hinge folding state in the foldable display device provided by an embodiment of the application.
  • FIG. 8 is a schematic diagram of power transmission of hinge synchronization folding in a foldable display device provided by an embodiment of the application.
  • Fig. 1a is a first unfolded state diagram of a foldable display device provided by an embodiment of this application
  • Fig. 1b is a second unfolded state diagram of a foldable display device provided by an embodiment of this application
  • Fig. 2a is provided by an embodiment of this application
  • FIG. 2b is the second folding state diagram of the foldable display device provided by an embodiment of the application
  • FIG. 3 is a diagram of the foldable display device provided by the embodiment of the application
  • the first state diagram of the folding mechanism is folded.
  • a foldable display device 10 includes a body 15, a main display 20 and an auxiliary display 30, the main The display screen 20 and the auxiliary display screen 30 are connected by a foldable mechanism 40 to realize the folding and unfolding between the main display screen 20 and the auxiliary display screen 30; after unfolding, the main display screen 20 and the auxiliary display screen 30 are combined into a large screen 50.
  • the auxiliary display screen 30 is located on the body 15, and after folding, the main display screen 20 is stacked on the auxiliary display screen 30.
  • the middle position of the large screen 50 is crimped close to the inner surface of the foldable mechanism 40.
  • the main display screen 20 and the auxiliary display screen 30 are both touch screens.
  • the folding action of the whole machine is mainly realized by the innovatively designed synchronous gear type folding mechanism.
  • the foldable display screen In the unfolded state of the whole machine, the foldable display screen is unfolded into a plane and can be used as a tablet.
  • the folding mechanism can be turned by 180-190 degrees through the rotating shaft, and an arc-shaped bending area is formed in the middle to wrap the middle display screen.
  • the length of the main display screen 20 shell, the auxiliary display screen 30 shell and the inner surface of the folding mechanism remain unchanged.
  • the middle position of the display screen curls close to the inner surface of the folding mechanism, so the total length of the display screen can always remain unchanged.
  • Figure 3 As shown in Figure 3.
  • FIG. 4 is an exploded structure diagram of a folding mechanism in a foldable display device provided by an embodiment of the application
  • FIG. 5 is an exploded structure diagram of a synchronous gear set hinge in a foldable display device provided by an embodiment of the application
  • FIG. 6 is The second state diagram of the folding mechanism in the foldable display device provided by the application embodiment.
  • the foldable mechanism 40 includes: two sets of synchronous gear set hinges 6, 8 for transmitting gear hinge power; a central folding section 4, the central folding The joint 4 connects the two sets of synchronous gear set hinges 6, 8, and is arranged symmetrically with the central folding section 4 as the central part.
  • Screws and two secondary folding sections 3, 5 are used on both sides, and the folding section head 7, folding Nodal end 1 connection, where the other end of the folding section head 7 is connected to the main display screen 20 housing, and the other end of the folding section end 1 is connected to the auxiliary display 30 housing; a central folding section cover 2 is connected to cover the gear unit hinge by screw 6, 8, not only can support the display screen, but also can avoid direct contact between the display screen and the gear.
  • the synchronous gear set hinge 8 adopts a symmetrical design, mainly composed of a central base, an active primary support, active gear set, active secondary support, passive
  • the secondary support, the passive gear set, and the passive primary support are composed of seven parts
  • the central base includes the main support 8-29 and the four gears 8-11, 8-12, 8-15-, 8-16
  • the central transmission gear set and the two brackets 8-9, 8-14 supporting the gear set are fixedly connected to the central folding joint 4 by screws under the main bracket, and the main bracket has an axisymmetrically designed rack under the driving and passive gear sets They mesh with the upper gears 8-27 and 8-28 respectively
  • the active first-stage bracket includes two brackets 8-1 and 8-5 fixedly connected by screws, one end with a limited arc chute can be connected with the active second-stage bracket
  • the fixed shaft cooperates to make a fixed track sliding, and the other end is directly fixed with the screws of the folding section tail 1 and the auxiliary display 30 housing;
  • the brackets 8-8 and 8-13 are the same as the active primary bracket.
  • One end has a limited arc chute, which can cooperate with the fixed shafts on the central base bracket 8-9 and 8-14 to slide on a fixed track, and The trajectory is consistent with the axis movement trajectory of the rear gear 8-28.
  • the bracket 8-2 and the secondary folding joint 3 are fixed by screws; the bracket 8-8 is equipped with a rack, which can be connected to the center gear on the center base.
  • the meshing is a meshing motion that is consistent with the axis movement track of the rear gear 8-28;
  • the passive secondary bracket includes five brackets 8-17, 8-18, 8-19, 8-22, 8-23, and
  • the active secondary bracket is axisymmetrically designed.
  • the rack on the bracket 8-18 receives the rotational force transmitted by the active secondary bracket through the central gear set and drives the entire passive secondary bracket to the limit chute provided on the center base
  • the inner part makes a fixed track flip motion, the bracket 8-23 and the secondary folding section 5 are fixed by screws;
  • the passive gear group includes four gears 8-24, 8-25, 8-26, 8-27, the front-end gear 8-27 receives the rotating force generated by turning the passive secondary support, and transmits the force to the rear-end gear 8-24 through the gear rotation meshing;
  • the stage bracket includes brackets 8-20 and 8-21, which are designed in axial symmetry with the active primary bracket.
  • One end has a limited arc chute, which can cooperate with the fixed axis of the passive secondary bracket to slide on a fixed track, and the other end directly It is fixedly connected with the housing of the folding section head 7 and the main display screen 20, and the rack on the bracket 8-20 and the rear gear 8-24 can make meshing movement.
  • the above active and passive primary (secondary) brackets are all axisymmetrical designs, the active and passive are relative, and they can be interchanged under different force conditions.
  • the main display screen 20 housing is kept relatively still, force is applied to the auxiliary display screen 30 housing to perform a flipping movement, and the folding The mechanism 40 will perform a folding action.
  • the inner surface of the folding mechanism 40 is turned to form an arc, and the circumference of the arc is the same as the length of the inner surface of the folding mechanism 40 in the unfolded state, so the main display screen 20 housing, the auxiliary display 30 housing and the folding mechanism
  • the length of the inner surface of 40 remains unchanged, and the total length can always remain unchanged when the display screen is curled close to the inner surface of the folding mechanism 40.
  • the outer surface of the folding mechanism 40 is also completely covered by the wrap angle, which not only hides the internal structure from exposure, but also improves the sense of technology and appearance space.
  • force is applied to turn the folding section tail 1 and the auxiliary display 30 shell to drive the active primary support to turn along the limiting arc chute, and the rack on the support 8-5 drives the driving gear set to rotate.
  • the end gear 8-28 rotates and meshes with the fixed rack on the main bracket 8-29 to push the active secondary bracket to flip along the limit arc chute.
  • the rack on the bracket 8-8 drives the gear 8-11 to rotate
  • the fixed rack on the main bracket 8-29 transmits the rotation of the gear 8-11 to the gear 8-16, driving the bracket 8-18 with the rack and pinion, so the passive secondary bracket starts to follow the limit arc
  • the front-end gear 8-27 of the passive gear set rotates on the fixed rack of the main bracket.
  • the front-end gear 8-27 transmits the rotation to the rear-end gear 8-24, and the teeth on the bracket 8-20
  • the rotating force generated by the meshing of the bar with the rear gear 8-24 is turned over with the folding joint 7 and the main display 20 housing.
  • FIG. 7 is a diagram of the hinge folding state in the foldable display device provided by an embodiment of the application
  • FIG. 8 is a schematic diagram of the hinge synchronization folding power transmission in the foldable display device provided by an embodiment of the application.
  • the folding process of the folding mechanism 40 mainly involves the synchronous power transmission of the internal hinge 8, including: a center bracket, a primary bracket, a secondary bracket and an intermediate gear set The meshing movement of the primary bracket and the secondary bracket are flipped through the sliding of the rotating shaft in the limiting arc chute; the secondary bracket and the center bracket are flipped through the sliding of the rotating shaft in the limiting arc chute.
  • the folding portion of the foldable mechanism 40 after being folded is an arc surface.
  • the body 15 is provided with a camera 16, a USB interface 17, and Bluetooth (not shown).
  • the outer dimensions of the main display screen 20 and the auxiliary display screen 30 are the same, and the size of the joint is the same.
  • This application completely subverts the industrial design of the traditional display screen through the foldable display device, and brings unprecedented changes in user experience and interaction. It is convenient to carry and store in the folded state, and you can get a high-quality large screen experience in the unfolded state.
  • the two can switch freely; the synchronous gear folding mechanism is reliable and stable during the folding movement of the display screen, and can rotate freely within a certain angle; synchronous gear
  • the folding display device is in the folded state, the main display housing and the auxiliary display housing, as well as the folding mechanism and the display are evenly attached, which not only has a smooth and beautiful visual effect during the folding process, but also reduces the bending performance requirements of the folding terminal on the display.

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

Abstract

一种可折叠显示装置（10），包括机身（15），主显示屏（20）和辅显示屏（30）。主显示屏（20）和辅显示屏（30）通过一可折叠机构（40）连接，实现主显示屏（20）和辅显示屏（30）之间的折叠和展开；展开后，主显示屏（20）和辅显示屏（30）组合为一个大屏幕（50）。可折叠机构（40）包括两组同步齿轮组铰链（6,8），用以传递齿轮铰链动力；一中心折叠节（4），连接两组同步齿轮组铰链（6,8），并以中心折叠节（4）为中心部件对称布局，两边分别用螺钉与两个二级折叠节（3,5）以及折叠节首（7）、折叠节尾（1）连接，其中折叠节首（7）的另一端连接主显示屏（20）外壳，折叠节尾（1）的另一端连接辅显示屏（30）外壳；一中心折叠节盖板（2）通过螺钉连接盖覆在齿轮组铰链（6,8）上，不仅可以支撑显示屏，而且可以避免显示屏与齿轮直接接触。

Description

可折叠显示装置
本申请要求于2019年5月6日提交中国专利局、申请号为201910371138.5、发明名称为“可折叠显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，特别是涉及一种可折叠显示装置。
背景技术
近年来，随着显示技术的发展，便携式终端例如手机、平板电脑等极其流行，然而，随着手机、平板电脑等便携式终端尺寸的增大，使得这些终端设备变的不易于携带。
且随着手机市场的不断发展，手机在数据业务方面超过了语音业务，也就是智能手机占据了主导地位。但是面向特定领域的智能手机创新不足，而且对于多媒体和网络的应用上主流手机的屏幕太小，使用不方便。直板手机的屏幕如果做成大屏幕，耗电量大，续航能力不足。翻盖手机可以扩展屏幕，但是创新不足，许多特定情况下的多媒体业务使用不便。
而目前智能手机市场跟随主流主机厂的节奏趋于同质化，一波追求全屏化的浪潮中，norch屏、水滴屏成为各大厂商的逐鹿重点，手机产品更加千篇一律，这主要也是由于在手机的工业设计中扮演重要角色的屏幕模组一直存在创新乏力和技术壁垒难攻克的问题。
发明概述
技术问题
本申请实施例提供一种可折叠显示装置，可以提高折叠可靠性。
问题的解决方案
技术解决方案
第一方面，本申请实施例提供一种可折叠显示装置包括机身，主显示屏和辅显示屏，所述主显示屏和辅显示屏通过一可折叠机构连接，实现主显示屏和辅显 示屏之间的折叠和展开；展开后，主显示屏和辅显示屏组合为一个大屏幕。
本申请的目的及解决其技术问题是采用以下技术方案来实现的。
在所述的可折叠显示装置中，所述辅显示屏位于所述机身上面，折叠后，所述主显示屏叠放置在辅显示屏上面。
在所述的可折叠显示装置中，所述大屏幕中间位置卷曲紧贴可折叠机构内表面。
在所述的可折叠显示装置中，所述主显示屏和辅显示屏均为触摸屏。
在所述的可折叠显示装置中，所述可折叠机构包括：两组同步齿轮组铰链，用以传递齿轮铰链动力；一中心折叠节，所述中心折叠节连接所述两组同步齿轮组铰链，并以所述中心折叠节为中心部件对称布局，两边分别用螺钉与两个二级折叠节以及折叠节首、折叠节尾连接，其中折叠节首的另一端连接主显示屏外壳，折叠节尾的另一端连接辅显示屏外壳；一中心折叠节盖板通过螺钉连接盖覆在齿轮组铰链上，不仅可以支撑显示屏，而且可以避免显示屏与齿轮直接接触。
在所述的可折叠显示装置中，所述同步齿轮组铰链采用对称设计，主要由中心基座、主动一级支架、主动齿轮组、主动二级支架、被动二级支架、被动齿轮组、被动一级支架七部分组成。
在所述的可折叠显示装置中，所述中心基座包括：由主支架以及四个齿轮组成的中心转动齿轮组以及支撑所述齿轮组的两个支架，所述主支架底部通过螺钉与所述中心折叠节固连，所述主支架上在主、被动齿轮组下有轴对称设计的齿条分别与上方的齿轮啮合。
在所述的可折叠显示装置中，所述主动一级支架包括通过螺钉固连的两个支架，一端带有限位弧形滑槽可与主动二级支架的固定轴配合可一作段固定轨迹的滑动，另一端直接与折叠节尾和辅显示屏外壳螺钉固连。
在所述的可折叠显示装置中，所述主动齿轮组包括四个排成直线前后啮合的齿轮，前端的齿轮与主动一级支架上的支架的齿条啮合并通过中间两个齿轮将力传递给后端齿轮，而后端齿轮与主支架上的齿条啮合，故后端齿轮会在主支架上的齿条上作一段固定轨迹的旋转啮合运动。
在所述的可折叠显示装置中，主动二级支架包括五个固连的支架，其中支架分别与支架螺钉固连，为中间的主动齿轮组提供两端旋转支撑，可以与后端齿轮一起在主支架的齿条上作一段固定轨迹的旋转啮合运动。
在所述的可折叠显示装置中，所述被动二级支架包括五个支架，并与主动二级支架轴对称设计。
在所述的可折叠显示装置中，所述被动齿轮组包括了四个排成直线前后啮合的齿轮，前端齿轮接收翻转被动二级支架产生的旋转力，通过齿轮旋转啮合将力传递给后端齿轮。
在所述的可折叠显示装置中，所述被动一级支架包括支架，与主动一级支架轴对称设计，一端带有限位弧形滑槽可与被动二级支架的固定轴配合可作一段固定轨迹的滑动，另一端直接与折叠节首和主显示屏外壳固连，支架上的齿条与后端齿轮可以作啮合运动。
在所述的可折叠显示装置中，在折叠过程中，施力翻转折叠节尾和辅显示屏外壳带动主动一级支架沿着限位弧形滑槽翻转，同时支架上的齿条带动主动齿轮组转动，后端齿轮旋转与主支架上的固定齿条啮合推动主动二级支架沿着限位弧形滑槽翻转，翻转过程中支架上的齿条带动齿轮转动，主支架上的固定齿条将齿轮的转动传递到齿轮，带动了与之齿轮齿条配合的支架，于是被动二级支架开始沿着限位弧形滑槽翻转，翻转带动被动齿轮组的前端齿轮在主支架的固定齿条上旋转，前端齿轮将旋转传递给后端齿轮，在支架上的齿条与后端齿轮啮合产生的旋转力作用下与折叠节首和主显示屏外壳一起翻转。
在所述的可折叠显示装置中，在折叠过程中，保持主显示屏外壳相对不动，在辅显示屏外壳上施力进行翻转运动，折叠机构会进行折叠动作，折叠机构内表面翻转形成圆弧，且圆弧周长与展开状态下的折叠机构内表面长度一致，故主显示屏外壳、辅显示屏外壳和折叠机构内表面长度和保持不变，显示屏卷曲紧贴折叠机构内表面情况下，总长也总能保持不变。
在所述的可折叠显示装置中，所述可折叠机构在折叠后的折叠部为弧面。
在所述的可折叠显示装置中，所述机身上设有摄像头、USB接口、蓝牙。
在所述的可折叠显示装置中，所述主显示屏和辅显示屏的外形尺寸相等，并且 连接处的尺寸相等。
第二方面，本申请实施例还提供一种可折叠式显示装置，包括机身，主显示屏和辅显示屏，其中，所述主显示屏和辅显示屏通过一可折叠机构连接，实现主显示屏和辅显示屏之间的折叠和展开；展开后，主显示屏和辅显示屏组合为一个大屏幕，所述辅显示屏位于所述机身上面，折叠后，所述主显示屏叠放置在辅显示屏上面，所述大屏幕中间位置卷曲紧贴可折叠机构内表面。
在所述的可折叠显示装置中，所述辅显示屏位于所述机身上面，折叠后，所述主显示屏叠放置在辅显示屏上面，所述大屏幕中间位置卷曲紧贴可折叠机构内表面。
发明的有益效果
有益效果
本申请实施例提供的可折叠式显示装置，完全颠覆传统显示屏的工业设计，给用户在体验和交互上带来前所未有的变化。在折叠状态方便携带与存放，在展开状态可以获得优质的大屏体验，两者随意自由切换；同步齿轮式折叠机构在显示屏折叠运动中可靠稳定，并可在一定角度内自由转动；同步齿轮式折叠显示装置在折叠状态下主显示屏外壳和辅显示屏外壳以及折叠机构与显示屏间均匀贴合，不仅折叠过程视觉效果流畅美观，而且降低了折叠终端对显示屏的弯折性能要求，提高了弯折可靠性。
对附图的简要说明
附图说明
图1a为本申请实施例提供的可折叠式显示装置第一种展开状态图。
图1b为本申请实施例提供的可折叠式显示装置第二种展开状态图。
图2a为本申请实施例提供的可折叠式显示装置第一种折叠状态图。
图2b为本申请实施例提供的可折叠式显示装置第二种折叠状态图。
图3为本申请实施例提供的可折叠式显示装置中的折叠机构折叠第一种状态图。
图4为本申请实施例提供的可折叠式显示装置中的折叠机构爆炸结构图。
图5为本申请实施例提供的可折叠式显示装置中的同步齿轮组铰链爆炸结构图 。
图6为本申请实施例提供的可折叠式显示装置中的折叠机构折叠第二种状态图。
图7为本申请实施例提供的可折叠式显示装置中的铰链折叠状态图。
图8为本申请实施例提供的可折叠式显示装置中的铰链同步折叠动力传递原理图。
发明实施例
具体实施方式
以下各实施例的说明是参考附加的图式，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，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申请，而非用以限制本申请。
附图和说明被认为在本质上是示出性的，而不是限制性的。在图中，结构相似的单元是以相同标号表示。另外，为了理解和便于描述，附图中示出的每个组件的尺寸和厚度是任意示出的，但是本申请不限于此。
另外，在说明书中，除非明确地描述为相反的，否则词语“包括”将被理解为意指包括所述组件，但是不排除任何其它组件。此外，在说明书中，“在......上”意指位于目标组件上方或者下方，而不意指必须位于基于重力方向的顶部上。
为更进一步阐述本申请为达成预定发明目的所采取的技术手段及功效，以下结合附图及具体的实施例，对依据本申请提出的可折叠显示装置，其具体实施方式、结构、特征及其功效，详细说明如后。
图1a为本申请实施例提供的可折叠式显示装置第一种展开状态图、图1b为本申请实施例提供的可折叠式显示装置第二种展开状态图、图2a为本申请实施例提供的可折叠式显示装置第一种折叠状态图、图2b为本申请实施例提供的可折叠式显示装置第二种折叠状态图及图3为本申请实施例提供的可折叠式显示装置中的折叠机构折叠第一种状态图。请参考图1a、图1b、图2a、图2b及图3，在本申请实施例中，一种可折叠显示装置10，包括机身15，主显示屏20和辅显示屏30，所述主显示屏20和辅显示屏30通过一可折叠机构40连接，实现主显示屏20和辅 显示屏30之间的折叠和展开；展开后，主显示屏20和辅显示屏30组合为一个大屏幕50。
在本申请实施例中，所述辅显示屏30位于所述机身15上面，折叠后，所述主显示屏20叠放置在辅显示屏30上面。
在本申请实施例中，所述大屏幕50中间位置卷曲紧贴可折叠机构40内表面。
在本申请实施例中，所述主显示屏20和辅显示屏30均为触摸屏。
在本申请实施例中，如图1a及图1b，整机折叠动作主要是由所创新设计的同步齿轮式折叠机构来实现的。在整机展开状态下，可折叠显示屏展开为一个平面，可以作为平板使用。当整机处于图2a及图2b的折叠状态下，折叠机构通过转轴可翻转180～190度，并在中间形成一个弧形的弯折区域可以将中间显示屏包裹。折叠机构翻转过程中主显示屏20外壳、辅显示屏30外壳和折叠机构内表面长度和保持不变，显示屏中间位置卷曲紧贴折叠机构内表面，所以显示屏总长也总能保持不变，如图3。
图4为本申请实施例提供的可折叠式显示装置中的折叠机构爆炸结构图、图5为本申请实施例提供的可折叠式显示装置中的同步齿轮组铰链爆炸结构图及图6为本申请实施例提供的可折叠式显示装置中的折叠机构折叠第二种状态图。请参考图1b及图4，在本申请实施例中，所述可折叠机构40包括：两组同步齿轮组铰链6、8，用以传递齿轮铰链动力；一中心折叠节4，所述中心折叠节4连接所述两组同步齿轮组铰链6、8，并以所述中心折叠节4为中心部件对称布局，两边分别用螺钉与两个二级折叠节3、5以及折叠节首7、折叠节尾1连接，其中折叠节首7的另一端连接主显示屏20外壳，折叠节尾1的另一端连接辅显示屏30外壳；一中心折叠节盖板2通过螺钉连接盖覆在齿轮组铰链6、8上，不仅可以支撑显示屏，而且可以避免显示屏与齿轮直接接触。
请参考图1b、图4及图5，在本申请实施例中，所述同步齿轮组铰链8采用对称设计，主要由中心基座、主动一级支架、主动齿轮组、主动二级支架、被动二级支架、被动齿轮组、被动一级支架七部分组成；其中中心基座包括了主支架8-29、由四个齿轮8-11、8-12、8-15-、8-16组成的中心传动齿轮组以及支撑齿轮组的两个支架8-9、8-14，主支架底下通过螺钉与中心折叠节4固连，主支架上在主 、被动齿轮组下有轴对称设计的齿条分别与上方的齿轮8-27、8-28啮合；主动一级支架包括通过螺钉固连的两个支架8-1、8-5，一端带有限位弧形滑槽可与主动二级支架的固定轴配合可一作段固定轨迹的滑动，另一端直接与折叠节尾1和辅显示屏30外壳螺钉固连；主动齿轮组包括四个排成直线前后啮合的齿轮8-4、8-6、8-7、8-28，前端的齿轮8-4与主动一级支架上的支架8-5的齿条啮合并通过中间两个齿轮8-6、8-7将力传递给后端齿轮8-28，而后端齿轮8-28与主支架8-29上的齿条啮合，故后端齿轮8-28会在主支架上的齿条上作一段固定轨迹的旋转啮合运动；主动二级支架包括五个固连的支架8-2、8-3、8-8、8-10、8-13，其中支架8-3分别与支架8-2、8-8螺钉固连，为中间的主动齿轮组提供两端旋转支撑，可以与后端齿轮8-28一起在主支架的齿条上作一段固定轨迹的旋转啮合运动，而支架8-10将支架8-8、8-13通过螺钉固连，支架8-8、8-13和主动一级支架一样一端带有限位弧形滑槽可与中心基座支架8-9、8-14上的固定轴配合作一段固定轨迹的滑动，且该轨迹与后端齿轮8-28的轴心运动轨迹一致，支架8-2与二级折叠节3通过螺钉固连；支架8-8上带有齿条，能与中心基座上的中心齿轮啮合作一段与后端齿轮8-28的轴心运动轨迹一致的啮合运动；被动二级支架包括五个支架8-17、8-18、8-19、8-22、8-23，并与主动二级支架轴对称设计，支架8-18上的齿条在接收主动二级支架通过中心齿轮组啮合传递过来的旋转力后，带动整个被动二级支架在中心基座提供的限位滑槽内作一段固定轨迹的翻转运动，支架8-23与二级折叠节5通过螺钉固连；被动齿轮组包括了四个排成直线前后啮合的齿轮8-24、8-25、8-26、8-27，前端齿轮8-27接收翻转被动二级支架产生的旋转力，通过齿轮旋转啮合将力传递给后端齿轮8-24；被动一级支架包括支架8-20、8-21，与主动一级支架轴对称设计，一端带有限位弧形滑槽可与被动二级支架的固定轴配合可作一段固定轨迹的滑动，另一端直接与折叠节首7和主显示屏20外壳固连，支架8-20上的齿条与后端齿轮8-24可以作啮合运动。以上主动、被动一级(二级)支架都是轴对称设计，主被动是相对的，在不同施力情况下可以互换。
请参考图1b、图4、图5及图6，在本申请实施例中，在折叠过程中，保持主显示屏20外壳相对不动，在辅显示屏30外壳上施力进行翻转运动，折叠机构40会进行折叠动作，折叠机构40内表面翻转形成圆弧，且圆弧周长与展开状态下的 折叠机构40内表面长度一致，故主显示屏20外壳、辅显示屏30外壳和折叠机构40内表面长度和保持不变，显示屏卷曲紧贴折叠机构40内表面情况下，总长也总能保持不变。折叠机构40外表面也由包角完全覆盖，不仅隐藏内部结构避免外露，而且可以提高科技感和外观表现空间。在此折叠过程中，施力翻转折叠节尾1和辅显示屏30外壳带动主动一级支架沿着限位弧形滑槽翻转，同时支架8-5上的齿条带动主动齿轮组转动，后端齿轮8-28旋转与主支架8-29上的固定齿条啮合推动主动二级支架沿着限位弧形滑槽翻转，翻转过程中支架8-8上的齿条带动齿轮8-11转动，主支架8-29上的固定齿条将齿轮8-11的转动传递到齿轮8-16，带动了与之齿轮齿条配合的支架8-18，于是被动二级支架开始沿着限位弧形滑槽翻转，翻转带动被动齿轮组的前端齿轮8-27在主支架的固定齿条上旋转，前端齿轮8-27将旋转传递给后端齿轮8-24，在支架8-20上的齿条与后端齿轮8-24啮合产生的旋转力作用下与折叠节首7和主显示屏20外壳一起翻转。终成功实现折叠终端的同步折叠。
图7为本申请实施例提供的可折叠式显示装置中的铰链折叠状态图及图8为本申请实施例提供的可折叠式显示装置中的铰链同步折叠动力传递原理图。请参考图5、图7及图8，在本申请实施例中，折叠机构40折叠过程中主要涉及内部铰链8的同步动力传递，包括：中心支架、一级支架、二级支架与中间齿轮组的啮合运动；一级支架与二级支架通过转轴在限位弧形滑槽的滑动进行翻转运动；二级支架与中心支架通过转轴在限位弧形滑槽的滑动进行翻转运动。
请参考图3，在本申请实施例中，所述可折叠机构40在折叠后的折叠部为弧面。
请参考图1a及图2b，在本申请实施例中，所述机身15上设有摄像头16、USB接口17、蓝牙(图未示)。
请参考图2b，在本申请实施例中，所述主显示屏20和辅显示屏30的外形尺寸相等，并且连接处的尺寸相等。
本申请透过可折叠式显示装置，完全颠覆传统显示屏的工业设计，给用户在体验和交互上带来前所未有的变化。在折叠状态方便携带与存放，在展开状态可以获得优质的大屏体验，两者随意自由切换；同步齿轮式折叠机构在显示屏折 叠运动中可靠稳定，并可在一定角度内自由转动；同步齿轮式折叠显示装置在折叠状态下主显示屏外壳和辅显示屏外壳以及折叠机构与显示屏间均匀贴合，不仅折叠过程视觉效果流畅美观，而且降低了折叠终端对显示屏的弯折性能要求。
“在一些实施例中”及“在各种实施例中”等用语被重复地使用。所述用语通常不是指相同的实施例；但它也可以是指相同的实施例。“包含”、“具有”及“包括”等用词是同义词，除非其前后文意显示出其它意思。
以上所述，仅是本申请的实施例，并非对本申请作任何形式上的限制，虽然本申请已以具体的实施例揭露如上，然而并非用以限定本申请，任何熟悉本专业的技术人员，在不脱离本申请技术方案范围内，当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本申请技术方案的内容，依据本申请的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本申请技术方案的范围内。

Claims (20)

  1. 一种可折叠显示装置，包括机身，主显示屏和辅显示屏，其中，所述主显示屏和辅显示屏通过一可折叠机构连接，实现主显示屏和辅显示屏之间的折叠和展开；展开后，主显示屏和辅显示屏组合为一个大屏幕。
  2. 如权利要求1所述的可折叠显示装置，其中，所述辅显示屏位于所述机身上面，折叠后，所述主显示屏叠放置在辅显示屏上面。
  3. 如权利要求1所述的可折叠显示装置，其中，所述大屏幕中间位置卷曲紧贴可折叠机构内表面。
  4. 如权利要求1所述的可折叠显示装置，其中，所述主显示屏和辅显示屏均为触摸屏。
  5. 如权利要求1所述的可折叠显示装置，其中，所述可折叠机构包括：两组同步齿轮组铰链，用以传递齿轮铰链动力；一中心折叠节，所述中心折叠节连接所述两组同步齿轮组铰链，并以所述中心折叠节为中心部件对称布局，两边分别用螺钉与两个二级折叠节以及折叠节首、折叠节尾连接，其中折叠节首的另一端连接主显示屏外壳，折叠节尾的另一端连接辅显示屏外壳；一中心折叠节盖板通过螺钉连接盖覆在齿轮组铰链上，不仅可以支撑显示屏，而且可以避免显示屏与齿轮直接接触。
  6. 如权利要求5所述的可折叠显示装置，其中，所述同步齿轮组铰链采用对称设计，主要由中心基座、主动一级支架、主动齿轮组、主动二级支架、被动二级支架、被动齿轮组、被动一级支架七部分组成。
  7. 如权利要求6所述的可折叠显示装置，其中，所述中心基座包括：由主支架以及四个齿轮组成的中心转动齿轮组以及支撑所述齿轮组的两个支架，所述主支架底部通过螺钉与所述中心折叠节固连，所述主支架上在主、被动齿轮组下有轴对称设计的齿条分别与上方的齿轮啮合。
  8. 如权利要求7所述的可折叠显示装置，其中，所述主动一级支架包括通过螺钉固连的两个支架，一端带有限位弧形滑槽可与主动二级支架的固定轴配合可一作段固定轨迹的滑动，另一端直接与折叠节尾和辅显示屏外壳螺钉固连。
  9. 如权利要求8所述的可折叠显示装置，其中，所述主动齿轮组包括四个排成直线前后啮合的齿轮，前端的齿轮与主动一级支架上的支架的齿条啮合并通过中间两个齿轮将力传递给后端齿轮，而后端齿轮与主支架上的齿条啮合，故后端齿轮会在主支架上的齿条上作一段固定轨迹的旋转啮合运动。
  10. 如权利要求9所述的可折叠显示装置，其中，主动二级支架包括五个固连的支架，其中支架分别与支架螺钉固连，为中间的主动齿轮组提供两端旋转支撑，可以与后端齿轮一起在主支架的齿条上作一段固定轨迹的旋转啮合运动。
  11. 如权利要求10所述的可折叠显示装置，其中，所述被动二级支架包括五个支架，并与主动二级支架轴对称设计。
  12. 如权利要求11所述的可折叠显示装置，其中，所述被动齿轮组包括了四个排成直线前后啮合的齿轮，前端齿轮接收翻转被动二级支架产生的旋转力，通过齿轮旋转啮合将力传递给后端齿轮。
  13. 如权利要求12所述的可折叠显示装置，其中，所述被动一级支架包括支架，与主动一级支架轴对称设计，一端带有限位弧形滑槽可与被动二级支架的固定轴配合可作一段固定轨迹的滑动，另一端直接与折叠节首和主显示屏外壳固连，支架上的齿条与后端齿轮可以作啮合运动。
  14. 如权利要求13所述的可折叠显示装置，其中，在折叠过程中，施力翻转折叠节尾和辅显示屏外壳带动主动一级支架沿着限位弧形滑槽翻转，同时支架上的齿条带动主动齿轮组转动，后端齿轮旋转与主支架上的固定齿条啮合推动主动二级支架沿着限位弧形滑槽翻转，翻转过程中支架上的齿条带动齿轮转动，主支架上的固 定齿条将齿轮的转动传递到齿轮，带动了与之齿轮齿条配合的支架，于是被动二级支架开始沿着限位弧形滑槽翻转，翻转带动被动齿轮组的前端齿轮在主支架的固定齿条上旋转，前端齿轮将旋转传递给后端齿轮，在支架上的齿条与后端齿轮啮合产生的旋转力作用下与折叠节首和主显示屏外壳一起翻转。
  15. 如权利要求5所述的可折叠显示装置，其中，在折叠过程中，保持主显示屏外壳相对不动，在辅显示屏外壳上施力进行翻转运动，折叠机构会进行折叠动作，折叠机构内表面翻转形成圆弧，且圆弧周长与展开状态下的折叠机构内表面长度一致，故主显示屏外壳、辅显示屏外壳和折叠机构内表面长度和保持不变，显示屏卷曲紧贴折叠机构内表面情况下，总长也总能保持不变。
  16. 如权利要求5所述的可折叠显示装置，其中，所述可折叠机构在折叠后的折叠部为弧面。
  17. 如权利要求1所述的可折叠显示装置，其中，所述机身上设有摄像头、USB接口、蓝牙。
  18. 如权利要求1所述的可折叠显示装置，其中，所述主显示屏和辅显示屏的外形尺寸相等，并且连接处的尺寸相等。
  19. 一种可折叠显示装置，包括机身，主显示屏和辅显示屏，其中，所述主显示屏和辅显示屏通过一可折叠机构连接，实现主显示屏和辅显示屏之间的折叠和展开；展开后，主显示屏和辅显示屏组合为一个大屏幕，所述辅显示屏位于所述机身上面，折叠后，所述主显示屏叠放置在辅显示屏上面，所述大屏幕中间位置卷曲紧贴可折叠机构内表面。
  20. 如权利要求19所述的可折叠显示装置，其中，所述辅显示屏位于所述机身上面，折叠后，所述主显示屏叠放置在辅显示屏上面，所述大屏幕中间位置卷曲紧贴可折叠机构内表面。
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