WO2024016138A1 - 支撑模组、显示模组及显示装置 - Google Patents
支撑模组、显示模组及显示装置 Download PDFInfo
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- WO2024016138A1 WO2024016138A1 PCT/CN2022/106354 CN2022106354W WO2024016138A1 WO 2024016138 A1 WO2024016138 A1 WO 2024016138A1 CN 2022106354 W CN2022106354 W CN 2022106354W WO 2024016138 A1 WO2024016138 A1 WO 2024016138A1
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- WIPO (PCT)
- Prior art keywords
- movable plate
- plate
- support
- fixed plate
- arc guide
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- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- 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
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/08—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints with resilient bearings
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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
Definitions
- the present disclosure belongs to the field of display equipment, and specifically relates to a support module, a display module and a display device.
- the performance of display devices is becoming more and more powerful.
- the flexible display screen of the display device can be folded.
- a flexible display screen is usually installed on a support module, and the foldable display screen is made foldable through a folding shaft provided on the support module.
- the thickness of the folded support module is relatively thick, which affects the lightweight design of the display device and causes obvious creases on the folded flexible display screen, which affects The display effect of the display device.
- the purpose of the embodiments of the present disclosure is to provide a support module, a display module and a display device that can solve the problems of the support module being thicker and having obvious creases after being folded.
- inventions of the present disclosure provide a support module for supporting a flexible display screen.
- the support module includes a support component, a transmission component and a co-moving component;
- the support assembly includes a fixed plate and a movable plate, and one of the movable plates is hinged on both sides of the fixed plate;
- the co-moving component is fixed on the fixed plate, and the transmission component is located at the bottom of the movable plate and the bottom of the fixed plate;
- each movable plate is movably connected to the first end of one of the transmission components, and the second ends of the transmission components located on both sides of the fixed plate are movably connected to the co-moving component;
- the supporting surface of the other movable plate acts on the transmission assembly and the co-moving assembly.
- the first included angle is maintained between the bottom and the supporting surface of the fixed plate;
- the supporting surface of the movable plate and the supporting surface of the fixed plate are both surfaces that support the flexible display screen, and the bottom surface of the movable plate is a surface opposite to the supporting surface of the movable plate.
- the transmission assembly includes a toothed arm and a pin
- the co-moving assembly includes a co-moving gear set
- a first ear seat is provided on the bottom surface of the movable plate
- the first end of the toothed arm is provided with a hinge hole, the second end of the toothed arm is a tooth surface, and the axis of the hinge hole is parallel to the axis of any gear in the co-moving gear set;
- the first ear seat protrudes from the bottom surface of the movable plate, a first arc-shaped slide groove is provided in the first ear seat, and the pin passes through the hinge hole and the first arc-shaped slide groove. slot to enable the first end of the toothed arm to hinge with the movable plate;
- Each of the two gears in the co-moving gear set is meshed with the second end of one of the gear arms.
- the co-moving component also includes a co-moving rod
- the second end of the toothed arm is provided with a through hole, and both ends of the co-moving rod are fixedly connected to one of the toothed arms through the through hole.
- the cross-sections along the direction perpendicular to the axis of the co-moving rod at the first position and the second position of the co-moving rod are non-circular cross-sections
- the hole shape of the through hole is consistent with the shape of the non-circular cross-section, and the first position and the second position are the positions where the co-moving rod and the toothed arm are cooperatively connected.
- the support assembly also includes a connecting plate
- the bottom surface of the connecting plate is provided with a second ear seat, and the second ear seat protrudes from the bottom surface of the connecting plate;
- a second arc-shaped chute is provided on the second ear seat, and the connecting plate is movably connected to the bottom of the movable plate.
- the first ear seat and the second ear seat are along the axis direction of the pin.
- the projections on the first plane overlap, and the projections of the first arcuate chute and the second arcuate chute on the first plane along the axis direction of the pin overlap, wherein the first plane is A plane perpendicular to the movable board;
- the pin passes through the first arcuate chute and the second arcuate chute to hinge the first end of the toothed arm and the connecting plate;
- the connecting plate is used to fix the middle frame of the flexible display screen.
- the fixed plate includes a support and a back cover, and an arc guide plate is provided on the side of the movable plate close to the fixed plate;
- connection between the support and the back cover forms an installation cavity
- the co-moving component is installed in the installation cavity, and the arc guide plate is movably connected in the installation cavity;
- the arc guide plate has an arc surface, and the arc surface is projected into an arc shape on the flexible display screen along a first direction, and the first direction is a direction perpendicular to the flexible display screen.
- the back cover is semi-cylindrical.
- a first arc guide groove and a first arc guide block are provided on the bottom surface of the movable plate;
- a second arc guide groove and a second arc guide block are provided on the bottom surface of the connecting plate;
- the first arc guide block is embedded in the second arc guide groove, and the second arc guide block is embedded in the first arc guide groove.
- At least two bumps are provided on the bottom surface of the movable plate or the bottom surface of the connecting plate;
- the first arc guide groove or the second arc guide groove is formed at intervals between the two protrusions.
- the shape of the projection of the first arc guide groove on the flexible display screen is the same as the shape of the projection of the second arc guide groove on the flexible display screen.
- the support component also includes a torsion component
- the torsion component is disposed between the two co-moving gear sets.
- the torsion component is used to provide rotational friction to the co-moving gear set.
- the direction of the rotation friction force is consistent with the direction of the co-moving gear set.
- the direction of rotation is opposite.
- the torsion component includes an elastic member, a cam and a connecting rod, and the co-moving gear set includes two rotating gears arranged to mesh with each other;
- Both ends of the connecting rod are connected with one of the rotating gears, one of the co-moving gear sets and one of the cams are cooperatively connected, and the elastic member is arranged between the two cams;
- the cam squeezes the elastic member, and the compression amount of the elastic member is the first compression amount
- the cam squeezes the elastic member, and the compression amount of the elastic member is the second compression amount.
- the first amount of compression is greater than the second amount of compression.
- the end surface of the rotating gear facing the elastic member is provided with convex teeth, and the convex teeth are matched with the boss section of the cam.
- the elastic member is a spring or a compression disc spring.
- an embodiment of the present disclosure provides a display module, which includes a flexible display screen and the support module described in the first aspect;
- the flexible display screen covers the supporting surface of the movable plate and the supporting surface of the fixed plate.
- an embodiment of the present disclosure provides a display device, which includes the display module described in the second aspect.
- both sides of the fixed plate are hinged with a movable plate; the co-moving component is fixed on the fixed plate, and the transmission component is located at the bottom of the movable plate and the bottom of the fixed plate.
- the bottom surface of each movable plate is movably connected to the first end of a transmission component, and the second ends of the transmission components located on both sides of the fixed plate are movably connected to the co-moving components.
- the support surface of a movable plate When there is a first included angle between the support surfaces, the support surface of the other movable plate maintains the first included angle with the support surface of the fixed plate under the action of the transmission assembly and the co-moving assembly, so that both sides of the fixed plate
- the folding amounts of the two movable panels in a movable connection are equal.
- the angle between the supporting surfaces of the two fixed plates and the supporting surface of the movable plate is always equal, so that the flexible display screens covered by the two fixed plates can be fully fitted, thus making the The distance between the bottom surfaces of the two fixed plates is reduced, which is conducive to reducing the folded volume of the support module and is conducive to the lightweight development of the support module.
- the angles between the supporting surfaces of the two fixed plates and the supporting surfaces of the movable plate are always equal, the inclination angles of the two folding surfaces of the folded flexible display screen are equal, and the flexible display screen is subjected to two The supporting force and traction force of each fixed plate are equal, which is beneficial to reducing the creases of the flexible display screen.
- Figure 1 is a schematic structural diagram of a support module provided by an embodiment of the present disclosure
- Figure 2 is a schematic assembly diagram of the movable plate and the toothed arm provided by the embodiment of the present disclosure
- Figure 3 is a schematic assembly diagram of the movable plate and the toothed arm provided by the embodiment of the present disclosure
- Figure 4 is a schematic assembly diagram of the movable plate and the fixed plate provided by the embodiment of the present disclosure
- Figure 5 is a schematic structural diagram of the support module provided by the embodiment of the present disclosure in a folded state
- Figure 6 is a schematic structural diagram of a co-moving lever provided by an embodiment of the present disclosure.
- Figure 7 is a schematic structural diagram of a toothed arm provided by an embodiment of the present disclosure.
- Figure 8 is a schematic assembly diagram of the connecting rod and co-moving gear set provided by the embodiment of the present disclosure.
- Figure 9 is a schematic structural diagram of a cam provided by an embodiment of the present disclosure.
- Figure 10 is a schematic assembly diagram of the cam and co-moving gear set provided by the embodiment of the present disclosure.
- Figure 11 is a schematic cross-sectional view of a movable panel provided by an embodiment of the present disclosure.
- first, second, etc. in the description and claims of the present disclosure are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the figures so used are interchangeable under appropriate circumstances so that embodiments of the present disclosure can be practiced in sequences other than those illustrated or described herein, and that "first,” “second,” etc. are distinguished Objects are usually of one type, and the number of objects is not limited. For example, the first object can be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
- Figure 1 is a schematic structural diagram of a support module provided by an embodiment of the present disclosure.
- Figure 2 is a schematic assembly diagram of a movable plate and a toothed arm provided by an embodiment of the present disclosure.
- Figure 3 is an assembly diagram of a movable plate and a toothed arm provided by an embodiment of the present disclosure.
- the support module includes a support component 1, a transmission component 2 and a co-moving component 3;
- the support component 1 includes a fixed plate 11 and a movable plate 12, both sides of the fixed plate 11 are There is a movable plate 12 hinged;
- the co-moving assembly 3 is fixed on the fixed plate 11, and the transmission assembly 2 is located at the bottom of the movable plate 13 and the bottom of the fixed plate;
- the bottom surface of each movable plate 12 and the first end of a transmission assembly 2 Movably connected, the second ends of the transmission components 2 located on both sides of the fixed plate 11 are movably connected to the co-moving component 3;
- there is a first included angle between the supporting surface of a movable plate 12 and the supporting surface of the fixed plate 11 the supporting surface of the other movable plate 12 maintains a first included angle with the supporting surface of the fixed plate 11 under the action of the transmission assembly 2 and the co-moving assembly 3;
- the supporting surface of the movable plate 12 maintains a first
- the support component 1 is not only used to support the flexible display screen, but also to provide power for folding the flexible display screen.
- the support assembly 1 includes a fixed plate 11 and two movable plates 12.
- the two movable plates 12 are respectively hinged on both sides of the fixed plate 11, that is, the fixed plate 11 is located between the two movable plates 12.
- the folding of the flexible display screen is achieved by changing the angle between the movable plate 12 and the fixed plate 11 .
- the supporting surface of the movable plate 12 and the supporting surface of the fixed plate 11 are both flat, so as to ensure that the flexible display screen remains flat after covering the supporting surface of the movable plate 12 and the supporting surface of the fixed plate 11 .
- the supporting surface of the movable panel 12 and the supporting surface of the fixed panel 11 are located on the same plane.
- the transmission assembly 2 is located at the bottom of the movable plate 13 and the bottom of the fixed plate.
- the bottom surface of a movable plate 12 is movably connected to the first end of the transmission assembly 2.
- the second ends of the transmission assembly 2 located on both sides of the fixed plate 11 are evenly connected.
- the co-moving component 3 is movably connected. In this way, when the position of any movable plate 12 changes, that is, when any movable plate 12 is folded with the fixed plate 11, the co-moving component 3 is driven by the transmission component 2 connected to the movable plate 12.
- the co-moving component 3 drives another transmission component 2 to move, and then drives another movable plate 12 to move, and can make the angles between the supporting surfaces of the two movable plates 12 and the supporting surfaces of the fixed plate 11 equal, and then The inclination angles of the two folding surfaces produced when the flexible display screen is folded are equal.
- both sides of the fixed plate 11 are hinged with a movable plate 12; the co-moving component 3 is fixed on the fixed plate 11, and the transmission component 2 is located at the bottom of the movable plate 13 and the bottom of the fixed plate, the bottom surface of each movable plate 12 is movably connected to the first end of a transmission component 2, and the second ends of the transmission components 2 located on both sides of the fixed plate 11 are movably connected to the co-moving component 3, so
- the supporting surface of the other movable plate 12 contacts the fixed plate 11 under the action of the transmission assembly 2 and the co-moving assembly 3
- the first included angle is maintained between the supporting surfaces, so that the folding amounts of the two movable plates 12 movably connected to both sides of the fixed plate 11 are equal.
- the transmission assembly 2 includes a toothed arm 21 and a pin 22, the co-moving assembly 3 includes a co-moving gear set 31, and the bottom surface of the movable plate 12 is provided with a first The ear seat 121; the first end of the tooth arm 21 is provided with a hinge hole 211, the second end of the tooth arm 21 is the tooth surface 212, and the axis of the hinge hole 211 is parallel to the axis of any gear in the co-moving gear set 31; the third An ear seat 121 protrudes from the bottom surface of the movable plate 12 .
- a first arcuate chute 1211 is provided in the first ear seat 121 .
- the pin 22 passes through the hinge hole 211 and the first arcuate chute 1211 so that the toothed arm 21
- the first end is hinged with the movable plate 12; any gear in the co-moving gear set 31 is meshed with the second end of a toothed arm 21.
- the toothed arm 21 can have a segmented structure, and there is an included angle between two adjacent sections. In this way, the toothed arm 21 can withstand a larger torsion force and prevent the toothed arm 21 from being deformed or damaged due to the torsional force. .
- the first end of the tooth arm 21 and the second end of the tooth arm 21 are the two ends in the length direction of the tooth arm 21.
- the first end of the tooth arm 21 is provided with a hinge hole 211, and the second end of the tooth arm 21 is the tooth surface. 212.
- the pin 22 passes through the hinge hole 211 and the first arc-shaped chute 1211 opened on the first ear seat 121 to realize the hinge between the tooth arm 21 and the movable plate 12.
- the tooth surface 212 and a gear in the co-moving gear set 31 Meshing realizes the connection between the gear arm 21 and the co-moving gear set 31 .
- the pin 22 slides in the first arc-shaped chute 1211 and drives the co-moving gear set 31 to rotate through the tooth arm 21.
- the rotation of the co-moving gear set 31 causes the co-moving gear set 31 to rotate.
- the other connected toothed arm 21 rotates, thereby driving the other movable plate 12 to rotate by the same amount of rotation, thus ensuring that the angles between the supporting surfaces of the two fixed plates 11 and the supporting surfaces of the movable plate 12 are always equal.
- the first ear seat 121 is a sheet-like structure protruding from the bottom surface of the movable plate 12.
- the sheet-like structure may be square, semicircular, or other shapes, which are not limited in the embodiment of the present disclosure.
- the projection of the first arc-shaped chute 1211 opened on the first ear seat 121 on a plane perpendicular to the flexible display screen is an arc shape, and the first arc-shaped chute 1211 is concave toward the support surface of the movable panel 12, so as to Ensure that the movement trajectory of the pin 22 is arc-shaped.
- each movable plate 12 is movably connected to at least two toothed arms 21.
- the bottom surfaces of the two movable plates 12 The number of toothed arms 21 movablely connected on the surface is equal, which ensures the synchronous folding of the movable plates 12 on both sides of the fixed plate 11 and at the same time ensures the stability of the folding of both sides of the fixed plate 11 .
- the co-moving component 3 further includes a co-moving rod 32; the second end of the toothed arm 21 is provided with a through hole, and both ends of the co-moving rod 32 are fixedly connected to one toothed arm 21 through the through hole.
- both ends of the co-moving rod 32 are connected to the second end of a toothed arm 21.
- 32 drives the other toothed arm 21 to rotate, thereby realizing the synchronous rotation of the two toothed arms 21 on the same co-moving rod 32.
- the first of the co-moving lever 32 in order to avoid relative rotation between the co-moving lever 32 and the toothed arm 21 and ensure the synchronous rotation of the two toothed arms 21 on the same co-moving lever 32, the first of the co-moving lever 32
- the cross-sections of the position 321 and the second position 322 along the direction perpendicular to the axis of the co-moving rod 32 are non-circular cross-sections; the hole type of the through hole is consistent with the shape of the non-circular cross-section, and the first position 321 and the second position 322 are the same.
- the position where the moving rod 32 and the gear arm 21 are matched and connected.
- the support module also includes a connecting plate 13; the bottom surface of the connecting plate 13 is provided with a second ear seat 131, and the second ear seat 131 protrudes from the connecting plate. 13; the second ear seat 131 is provided with a second arc-shaped chute 1311, the connecting plate 13 is movably connected to the bottom of the movable plate 12, the first ear seat 121 and the second ear seat 131 are along the axis direction of the pin 22
- the projections on the first plane overlap, and the projections of the first arcuate chute 1211 and the second arcuate chute 1311 on the first plane along the axis direction of the pin overlap, where the first plane is perpendicular to the movable plate 12 plane; the pin 22 passes through the first arc-shaped chute 1211 and the second arc-shaped chute 1311, so that the first end of the tooth arm 21 and the connecting plate 13 are hinged; the connecting plate 13 is used to fix the middle frame of the flexible display screen
- the first side of the connecting plate 13 can be provided with convex ribs, and the convex ribs extend from the first side of the connecting plate 13.
- the first side of the connecting plate 13 is the side of the connecting plate 13 away from the movable plate and is located at On the connection between the two connecting boards 13. Threaded holes can be provided on the ribs, and the connecting plate 13 and the middle frame can be connected through threads to fix the connecting plate 13 and the middle frame.
- the second ear seat 131 is provided at the bottom of the connecting plate 13 , and a second arc-shaped slide groove 1311 is formed on the second ear seat 131 .
- the first arc-shaped slide groove 1211 and the second arc-shaped slide groove 1311 are aligned, and then the pin 22 passes through the first arc-shaped slide groove 1211 and the second arc-shaped slide groove 1211 at the same time.
- the groove 1311 allows the first end of the toothed arm 21 to be hinged with the connecting plate 13 and the movable plate 12 at the same time. In this way, when the middle frame rotates, the connecting plate 13 can be driven to rotate, and the rotation of the connecting plate 13 drives the movable plate 12 to rotate, thereby causing the toothed arm 21 connected to the bottom surface of the movable plate 12 and the bottom surface of the connecting plate 13 to rotate.
- the movable plate 12 is provided with two holes at the connection point with the toothed arm 21 .
- the connecting plate 13 is provided with two second ear seats 131 at the connection point with the toothed arm 21.
- the two first ear seats 121 are spaced apart, and the two second ear seats 131 are spaced apart.
- the toothed arm 21 is connected between the two first ear seats 121 , and the two first ear seats 121 are located between the two second ear seats 131 .
- both ends of the pin 22 are connected with a first ear seat 121 and a second ear seat 131, which further improves the stability of the connection between the tooth arm 21 and the connecting plate 13, and the connection between the tooth arm 21 and the movable plate 12. stability.
- the fixed plate 11 includes a support 111 and a back cover 112.
- the movable plate 12 is provided with an arc guide plate 122 on the side close to the fixed plate 11; the support 111 and the back cover 112.
- the connection between them forms an installation cavity;
- the co-moving component 3 is installed in the installation cavity, and the arc guide plate 122 is movably connected in the installation cavity;
- the arc guide plate 122 has an arc surface, and the arc surface is flexibly displayed along the first direction.
- the projection on the screen is arc-shaped, and the first direction is perpendicular to the direction of the flexible display screen.
- the arc guide plate 122 since the arc guide plate 122 has an arc surface, the arc surface is arc-shaped when projected on the flexible display screen along the first direction, and the first direction is a direction perpendicular to the flexible display screen. , therefore, after the arc guide plate 122 is movably connected between the support 111 and the back cover 112 to form an installation cavity, the arc guide plate 122 can be made to rotate around the axis of the installation cavity. Specifically, during the rotation, the middle frame rotates to drive the connecting plate 13 to rotate, and the pin 22 slides in the connecting plate 13 to drive the toothed arm 21. At the same time, the pin 22 will also slide in the movable plate 12.
- the movable plate 12 Since the movable plate 12 is provided with The arc guide plate 122 can rotate around the axis of the installation cavity, and the connecting plate 13 and the movable plate 12 are movably connected, causing the movable plate 12 to also move, thus causing the connecting plate 13 to rotate in a non-circular arc.
- the flexible display screen can be formed into a water drop shape under the action of the movable plate 12, so that the support surface of the movable plate 12 is always close to the flexible display screen, so that the folding process of the flexible display screen is compensated, and thus the flexible display screen can be The gap between the support surface of the movable panel 12 and the flexible display screen is reduced, and the creases of the flexible display screen after folding are reduced.
- the back cover 112 may be a square shell, a cylindrical shell, or a shell of other shapes, which is not limited in this embodiment of the disclosure.
- the back cover 112 is semi-cylindrical, which on the one hand can provide sufficient installation space for the installation of the co-moving component 3.
- the semi-cylindrical back cover 112 is conducive to saving the space occupied by the fixed plate 11. , which is beneficial to reducing the size of the support module.
- a third plate is provided on the bottom surface of the movable plate 12.
- An arc guide groove 123 and a first arc guide block 124; a second arc guide groove 132 and a second arc guide block 133 are provided on the bottom surface of the connecting plate 13; the first arc guide block 124 is embedded in the second arc guide groove 132 , the second arc guide block 133 is embedded in the first arc guide groove 123 .
- the rotation of the middle frame drives the connecting plate 13 to rotate, and the pin 22 slides in the connecting plate 13 to drive the toothed arm 21.
- the pin 22 also slides in the movable plate 12. Due to the circular shape provided on the movable plate 12, The arc guide plate 122 can rotate around the axis of the installation cavity. The first arc guide block 124 rotates in the second arc guide groove 132 and the second arc guide block 133 rotates in the first arc guide groove 123, causing the movable plate to rotate. 12 is also moving, thus causing the connecting plate 13 to rotate in a non-circular arc.
- first arc guide groove 123 and the second arc guide groove 132 may be formed by two bumps, may be formed by an arc plate, or may be formed in other forms, which are not limited in the embodiment of the present disclosure. .
- At least two bumps are provided on the bottom surface of the movable plate 12 or the bottom surface of the connecting plate 13; a first arc guide groove 123 or a second arc guide groove is formed at intervals between the two bumps. 132.
- a first arc guide groove 123 or a second arc guide groove is formed at intervals between the two bumps. 132.
- the shape of the projection of the first arc guide groove 123 on the flexible display screen is the same as the shape of the projection of the second arc guide groove 132 on the flexible display screen.
- the movement trajectories of the connecting plate 13 and the movable plate 12 can be ensured to be consistent, which is beneficial to improving the stability of the movement between the connecting plate 13 and the movable plate 12 .
- the shape of the projection of the first arc guide groove 123 on the flexible display screen and the shape of the projection of the second arc guide groove 132 on the flexible display screen may have errors within the range permitted by the processing technology.
- the size of the projection of the first arc guide groove 123 on the flexible display screen in the first direction and the size of the second arc guide groove 132 on the flexible display screen are
- the size of the projection on the screen in the first direction can differ by any value between 0.10 mm and 0.14 mm.
- the first direction is a direction parallel to the plane where the flexible display screen is located.
- the supporting component 1 also includes a torsion component 4;
- the component 4 is arranged between the two co-moving gear sets 31 .
- the torsion component 4 is used to provide rotational friction force to the co-moving gear set 31 .
- the direction of the rotational friction force is opposite to the rotation direction of the co-moving gear set 31 .
- the torque component 4 can be used to provide the co-moving gear set 31 with rotational friction force opposite to the rotation direction, so that the co-moving gear set 31 can be maintained in the rotation state without the action of external force, thereby making the co-moving gear set 31 maintain the same rotational state.
- the toothed arms 21 connected by 31 remain stationary, so that the folded state of the two movable plates 12 remains unchanged, so that the flexible display screen can maintain any folded state.
- the torsion component 4 includes an elastic member 41, a cam 42 and a connecting rod 43.
- the co-moving gear set 31 includes two rotating gears 311 arranged to mesh with each other; the connecting rod 43 A rotating gear 311 is connected to both ends of the
- the cam 42 squeezes the elastic member 41, and the compression amount of the elastic member 41 is the first compression amount; the support surface of the movable plate 12 and the support surface of the fixed plate 11 are on the same plane.
- the cam 42 squeezes the elastic member 41, the compression amount of the elastic member 41 is the second compression amount, and the first compression amount is greater than the second compression amount.
- the compressed elastic member 41 gives a reaction force to the cam 42, increasing the The friction between the cam 42 and the co-moving gear set 31 provides varying torque to the co-moving gear set 31 , which can keep the co-moving gear set 31 in this rotational state, thereby causing the co-moving gear set 31 to mesh with the The toothed arm 21 remains stationary, so that the folded state of the two movable plates 12 remains unchanged. It should also be noted that since the cam 42 is integrated on the co-moving gear set 31, the number of parts can be reduced and the accumulated clearance can be reduced, which is beneficial to maintaining the structural stability of the entire torsion assembly 4.
- the rotating gear 311 is provided with convex teeth on the end face facing the elastic member 41 , and the convex teeth are cooperatively connected with the boss section 421 of the cam 42 .
- the cam 42 is pushed out by the convex teeth, and then moves closer to the elastic member. 41 moves in the direction, causing the elastic member 41 to compress.
- the cam 42 can be provided separately from the co-moving gear, and the above effect can also be achieved, which will not be described again in the embodiment of the present disclosure.
- the elastic member 41 is a spring or a compression disc spring. It should be noted that since the elastic member 41 is disposed between the two cams 42, when the elastic member 41 is compressed, it will be squeezed by the two cams 42, thereby doubling the amount of compression, thereby further increasing the size of the cam. 42 and the friction force between the co-moving gear set 31.
- both sides of the fixed plate 11 are hinged with a movable plate 12; the co-moving component 3 is fixed on the fixed plate 11, and the transmission component 2 is located at the bottom of the movable plate 13 and the bottom of the fixed plate, the bottom surface of each movable plate 12 is movably connected to the first end of a transmission component 2, and the second ends of the transmission components 2 located on both sides of the fixed plate 11 are movably connected to the co-moving component 3, so
- the supporting surface of the other movable plate 12 contacts the fixed plate 11 under the action of the transmission assembly 2 and the co-moving assembly 3
- the first included angle is maintained between the supporting surfaces, so that the folding amounts of the two movable plates 12 movably connected to both sides of the fixed plate 11 are equal.
- the angles between the supporting surfaces of the two fixed plates 11 and the supporting surfaces of the movable plate 12 are always equal, so that the flexible display screen covered by the two fixed plates 11 can be completely
- the adhesion further reduces the distance between the bottom surfaces of the two fixing plates 11, which is beneficial to reducing the folded volume of the support module. It is conducive to supporting the lightweight development of modules.
- the supporting middle frame also includes the connecting plate 13
- the middle frame rotates to drive the connecting plate 13 to rotate, and the pin 22 slides in the connecting plate 13 to drive the toothed arm 21, and at the same time, the pin 22 also It will slide in the movable plate 12. Since the arc-shaped guide rail provided on the movable plate 12 can rotate around the axis of the installation cavity, and the connecting plate 13 and the movable plate 12 are movablely connected, the movable plate 12 will also move. , thus causing the connecting plate 13 to rotate in a non-circular arc.
- the flexible display screen can be formed into a water drop shape under the action of the movable plate 12, so that the support surface of the movable plate 12 is always close to the flexible display screen, so that the folding process of the flexible display screen is compensated, and thus the flexible display screen can be reduced.
- the gap between the supporting surface of the small movable plate 12 and the flexible display screen reduces the creases of the flexible display screen after folding.
- an embodiment of the present disclosure also provides a display module, which includes a flexible display screen and the support module described in any embodiment of the first aspect.
- the flexible display screen covers the supporting surface of the movable plate 12 and the supporting surface of the fixed plate 11 .
- the beneficial effects of the display module are consistent with the beneficial effects of the above-mentioned support module, which will not be described in detail in the embodiments of the present disclosure.
- embodiments of the present disclosure also provide a display device.
- the display device includes the display module described in the second aspect.
- the beneficial effects of the display device are consistent with the beneficial effects of the above-mentioned support module. The present invention This will not be described again in the disclosed embodiments.
- the display device in the embodiment of the present disclosure may be a mobile display device or a non-mobile display device.
- the mobile display device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted display device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a personal digital assistant (personal digital assistant).
- UMPC ultra-mobile personal computer
- PDA personal digital assistant
- the non-mobile display device can be a personal computer (PC), a television (TV), a teller machine or a self-service machine, etc.
- the embodiments of the present disclosure are not specifically limited.
- the size of the flexible display screen of the display device of the embodiment of the present disclosure is large, multiple support modules can be applied side by side under the flexible display screen to achieve folding of the large-size flexible display screen.
- the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
- the technical solution of the present disclosure can be embodied in the form of a computer software product that is essentially or contributes to the existing technology.
- the computer software product is stored in a storage medium (such as ROM/RAM, disk , optical disk), including several instructions to cause a terminal (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in various embodiments of the present disclosure.
Abstract
一种支撑模组、显示模组和显示装置。支撑模组包括的支撑组件(1)包括固定板(11)和活动板(12)，固定板(11)的两侧均铰接有一个活动板(12)；同动组件(3)固定在固定板(11)上，传动组件(2)位于活动板(12)的底部和固定板(11)的底部，每个活动板(12)的底部表面和一个传动组件(2)的第一端活动连接，位于固定板(11)两侧的传动组件(2)的第二端均和同动组件(3)活动连接；在一个活动板(12)的支撑面和固定板(11)的支撑面之间存在第一夹角的情况下，另一个活动板(12)的支撑面在传动组件(2)和同动组件(3)的作用下和固定板(11)的支撑面之间保持第一夹角；其中，活动板(12)的支撑面和固定板(11)的支撑面均为支撑柔性显示屏的表面，活动板(12)的底部表面为和活动板(12)的支撑面相对的一个表面。可以降低支撑模组折叠后的厚度，淡化柔性显示屏的折痕。
Description
本公开属于显示设备领域，具体涉及一种支撑模组、显示模组及显示装置。
随着电子的不断发展，显示装置的性能也越来越强大。目前，为丰富显示装置的视觉体验，可以将显示装置的柔性显示屏可折叠化。
目前，通常将柔性显示屏设置在支撑模组上，通过支撑模组上设置的折叠转轴来实现柔性显示屏的可折叠化。然而，由于目前柔性显示屏通常以楔形的方式进行折叠，使得折叠后的支撑模组的厚度较厚，影响显示装置的轻量化设计，且导致折叠后的柔性显示屏的折痕较为明显，影响显示装置的显示效果。
概述
本公开实施例的目的是提供一种支撑模组、显示模组及显示装置，能够解决支撑模组折叠后厚度较后以及折痕明显的问题。
第一方面，本公开实施例提供了一种支撑模组，用于支撑柔性显示屏，所述支撑模组包括支撑组件、传动组件和同动组件；
所述支撑组件包括固定板和活动板，所述固定板的两侧均铰接有一个所述活动板；
所述同动组件固定在所述固定板上，所述传动组件位于所述活动板的底部和固定板的底部；
每个所述活动板的底部表面和一个所述传动组件的第一端活动连接，位于所述固定板两侧的所述传动组件的第二端均和所述同动组件活动连接；
在一个所述活动板的支撑面和所述固定板的支撑面之间存在第一夹角的情况下，另一个所述活动板的支撑面在所述传动组件和所述同动组件的作用下和所述固定板的支撑面之间保持所述第一夹角；
其中，所述活动板的支撑面和所述固定板的支撑面均为支撑所述柔性显 示屏的表面，所述活动板的底部表面为和所述活动板的支撑面相对的一个表面。
可选的，所述传动组件包括齿臂和销钉，所述同动组件包括同动齿轮组，所述活动板的底部表面设置有第一耳座；
所述齿臂的第一端开设有铰接孔，所述齿臂的第二端为齿面，所述铰接孔的轴线和所述同动齿轮组中任一齿轮的的轴线平行；
所述第一耳座凸出于所述活动板的底部表面，所述第一耳座中开设有第一弧形滑槽，所述销钉穿过所述铰接孔和所述第一弧形滑槽以使所述齿臂的第一端和所述活动板铰接；
所述同动齿轮组中的两个齿轮中的任一个均和一个所述齿臂的第二端啮合。
可选的，所述同动组件还包括同动杆；
所述齿臂的第二端设置有通孔，所述同动杆的两端均和一个所述齿臂通过所述通孔固定连接。
可选的，所述同动杆的第一位置和第二位置沿垂直于同动杆的轴线方向的截面为非圆形截面；
所述通孔的孔型和所述非圆形截面的形状一致，所述第一位置和所述第二位置为所述同动杆和所述齿臂配合连接的位置。
可选的，所述支撑组件还包括连接板；
所述连接板的底部表面设置有第二耳座，所述第二耳座凸出于所述连接板的底部表面；
所述第二耳座上开设有第二弧形滑槽，所述连接板活动连接在所述活动板的底部，所述第一耳座和所述第二耳座沿所述销钉的轴线方向在第一平面上的投影重叠，所述第一弧形滑槽和所述第二弧形滑槽沿所述销钉的轴线方向在第一平面上的投影重叠，其中，所述第一平面为和所述活动板垂直的平面；
所述销钉穿过所述第一弧形滑槽和所述第二弧形滑槽，以使所述齿臂的第一端和所述连接板铰接；
所述连接板用于固定所述柔性显示屏的中框。
可选的，所述固定板包括支座和后盖，所述活动板靠近所述固定板的侧 边上设置有圆弧导板；
所述支座和所述后盖之间连接形成安装空腔；
所述同动组件安装在所述安装空腔中，所述圆弧导板活动连接在所述安装空腔中；
所述圆弧导板具有圆弧面，所述圆弧面沿第一方向在所述柔性显示屏上投影为圆弧形，所述第一方向为垂直于所述柔性显示屏的方向。
可选的，所述后盖为半圆筒型。
可选的，所述活动板的底部表面上设置有第一弧导槽和第一弧导块；
所述连接板的底部表面上设置有第二弧导槽和第二弧导块；
所述第一弧导块嵌入所述第二弧导槽中，所述第二弧导块嵌入所述第一弧导槽中。
可选的，所述活动板的底部表面或者所述连接板的底部表面上设置有至少两个凸块；
两个所述凸块之间间隔形成所述第一弧导槽或者所述第二弧导槽。
可选的，所述第一弧导槽在所述柔性显示屏上的投影的形状和所述第二弧导槽在柔性显示屏上的投影的形状相同。
可选的，所述支撑组件还包括扭力组件；
所述扭力组件设置在两个所述同动齿轮组之间，所述扭力组件用于给所述同动齿轮组提供转动摩擦力，所述转动摩擦力的方向和所述同动齿轮组的转动方向相反。
可选的，所述扭力组件包括弹性件、凸轮和连接杆，所述同动齿轮组包括两个互相啮合设置的转动齿轮；
所述连接杆的两端均连接有一个所述转动齿轮，一个所述同动齿轮组和一个所述凸轮配合连接，所述弹性件设置在两个所述凸轮之间；
在所述活动板的支撑面和所述固定板的支撑面之间存在第一夹角的情况下，所述凸轮挤压所述弹性件，所述弹性件的压缩量为第一压缩量；
在所述活动板的支撑面和所述固定板的支撑面之间处于同一平面的情况下，所述凸轮挤压所述弹性件，所述弹性件的压缩量为第二压缩量，所述第一压缩量大于所述第二压缩量。
可选的，所述转动齿轮朝向所述弹性件的端面上设置有凸齿，所述凸齿 和所述凸轮的凸台断面配合连接。
可选的，所述弹性件为弹簧或者压缩碟簧。
第二方面，本公开实施例提供了一显示模组，所述显示模组包括柔性显示屏和第一方面所述的支撑模组；
所述柔性显示屏覆盖在所述活动板的支撑面和所述固定板的支撑面上。
第三方面，本公开实施例提供了一种显示装置，所述显示装置包括第二方面所述的显示模组。
从上述实施例可以看出，在本公开实施例中，由于固定板的两侧均铰接有一个活动板；同动组件固定在固定板上，传动组件位于活动板的底部和固定板的底部，每个活动板的底部表面和一个传动组件的第一端活动连接，位于固定板两侧的传动组件的第二端均和同动组件活动连接，因此在一个活动板的支撑面和固定板的支撑面之间存在第一夹角的情况下，另一个活动板的支撑面在传动组件和同动组件的作用下和固定板的支撑面之间保持第一夹角，进而使得固定板两侧活动连接的两个活动板的折叠量相等。这样，在柔性显示屏需要进行折叠时，两个固定板的支撑面和活动板的支撑面之间的夹角始终相等，使得两个固定板表面覆盖的柔性显示屏可以完全贴合，进而使得两个固定板的底部表面之间的距离降低，有利于降低支撑模组的折叠后的体积，有利于支撑模组轻量化发展。同时，由于两个固定板的支撑面和活动板的支撑面之间的夹角始终相等，因此使得折叠后的柔性显示屏的两个折叠面的倾斜角相等，进而使得柔性显示屏受到的两个固定板的支撑力和牵引力相等，有利于淡化柔性显示屏的折痕。
附图简述
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述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公开的一些实施例，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是本公开实施例提供的支撑模组的结构示意图；
图2是本公开实施例提供的活动板和齿臂的装配示意图；
图3是本公开实施例提供的活动板和齿臂的装配示意图；
图4是本公开实施例提供的活动板和固定板的装配示意图；
图5是本公开实施例提供的支撑模组在折叠状态下的结构示意图；
图6是本公开实施例提供的同动杆的结构示意图；
图7是本公开实施例提供的齿臂的结构示意图；
图8是本公开实施例提供的连接杆和同动齿轮组的装配示意图；
图9是本公开实施例提供的凸轮的结构示意图；
图10是本公开实施例提供的凸轮和同动齿轮组的装配示意图；
图11是本公开实施例提供的活动板的截面示意图。
附图标记：
1-支撑组件；2-传动组件；3-同动组件；4-扭力组件；11-固定板；12-活动板；13-连接板；21-齿臂；22-销钉；31-同动齿轮组；32-同动杆；41-弹性件；42-凸轮；43-连接杆；111-支座；112-后盖；121-第一耳座；122-圆弧导板；123-第一弧导槽；124-第一弧导块；131-第二耳座；132-第二弧导槽；133-第二弧导块；211-铰接孔；212-齿面；311-转动齿轮；321-第一位置；322-第二位置；421-凸台断面；1211-第一弧形滑槽；1311-第二弧形滑槽。
详细描述
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员获得的所有其他实施例，都属于本公开保护的范围。
本公开的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本公开的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”等所区分的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
第一方面，下面将结合附图对本公开实施例一的支撑模组进行详细说明。图1是本公开实施例提供的支撑模组的结构示意图，图2是本公开实施例提供的活动板和齿臂的装配示意图，图3是本公开实施例提供的活动板和齿臂的装配示意图，如图1、图2和图3所示，支撑模组包括支撑组件1、传动组件2和同动组件3；支撑组件1包括固定板11和活动板12，固定板11的两侧均铰接有一个活动板12；同动组件3固定在固定板11上，传动组件2位于活动板13的底部和固定板的底部；每个活动板12的底部表面和一个传动组件2的第一端活动连接，位于固定板11两侧的传动组件2的第二端均和同动组件3活动连接；在一个活动板12的支撑面和固定板11的支撑面之间存在第一夹角的情况下，另一个活动板12的支撑面在传动组件2和同动组件3的作用下和固定板11的支撑面之间保持第一夹角；其中，活动板12的支撑面和固定板11的支撑面均为支撑柔性显示屏的表面，活动板12的底部表面为和活动板12的支撑面相对的一个表面。
其中，支撑组件1不仅用于支撑柔性显示屏，还用于给柔性显示屏的折叠提供动力。在本公开实施例中，支撑组件1包括固定板11和两个活动板12，两个活动板12分别铰接在固定板11的两侧，即固定板11位于两个活动板12之间，通过改变活动板12和固定板11之间的夹角来实现柔性显示屏的折叠。需要说明的是，活动板12的支撑面和固定板11的支撑面均为平面，以保证柔性显示屏覆盖在活动板12的支撑面和固定板11的支撑面后保持平整。在柔性显示屏无折叠的情况下，活动板12的支撑面和固定板11的支撑面位于同一平面。
传动组件2位于活动板13的底部和固定板的底部，一个活动板12的底部表面和一个传动组件2的第一端活动连接，位于固定板11两侧的传动组件2的第二端均和同动组件3活动连接，这样，在任一个活动板12发生位置的改变时，即任一个活动板12在与固定板11折叠时，通过与该活动板12连接的传动组件2带动同动组件3运动，通过同动组件3带动另一个传动组件2运动，进而带动另一个活动板12运动，且可以使得两个活动板12的支撑面与固定板11的支撑面之间的夹角相等，进而使得柔性显示屏折叠时产生的两个折叠面的倾斜角相等。
从上述实施例可以看出，在本公开实施例中，由于固定板11的两侧均 铰接有一个活动板12；同动组件3固定在固定板11上，传动组件2位于活动板13的底部和固定板的底部，每个活动板12的底部表面和一个传动组件2的第一端活动连接，位于固定板11两侧的传动组件2的第二端均和同动组件3活动连接，因此在一个活动板12的支撑面和固定板11的支撑面之间存在第一夹角的情况下，另一个活动板12的支撑面在传动组件2和同动组件3的作用下和固定板11的支撑面之间保持第一夹角，进而使得固定板11两侧活动连接的两个活动板12的折叠量相等。这样，在柔性显示屏需要进行折叠时，两个固定板11的支撑面和活动板12的支撑面之间的夹角始终相等，使得两个固定板11表面覆盖的柔性显示屏可以完全贴合，进而使得两个固定板11的底部表面之间的距离降低，有利于降低支撑模组的折叠后的体积。有利于支撑模组轻量化发展。同时，由于两个固定板11的支撑面和活动板12的支撑面之间的夹角始终相等，因此使得折叠后的柔性显示屏的两个折叠面的倾斜角相等，进而使得柔性显示屏受到的两个固定板11的支撑力和牵引力相等，有利于淡化柔性显示屏的折痕。
下面具体介绍下传动组件2的具体结构以及传动组件2和同动组件3装配方式，具体如下：
在一些实施例中，如图2、图4和图7所示，传动组件2包括齿臂21和销钉22，同动组件3包括同动齿轮组31，活动板12的底部表面设置有第一耳座121；齿臂21的第一端开设有铰接孔211，齿臂21的第二端为齿面212，铰接孔211的轴线和同动齿轮组31中任一齿轮的的轴线平行；第一耳座121凸出于活动板12的底部表面，第一耳座121中开设有第一弧形滑槽1211，销钉22穿过铰接孔211和第一弧形滑槽1211以使齿臂21的第一端和活动板12铰接；同动齿轮组31中的任一齿轮均和一个齿臂21的第二端啮合。
需要说明的是，齿臂21可以为分段结构，相邻两段之间存在夹角，这样，使得齿臂21可以承受的较大的扭力，避免齿臂21因扭转力而发生变形或者损坏。齿臂21的第一端和齿臂21的第二端为齿臂21长度方向的两个端部，齿臂21的第一端开设有铰接孔211，齿臂21的第二端为齿面212。销钉22穿过铰接孔211和第一耳座121上开设的第一弧形滑槽1211实现齿臂21和活动板12之间的的铰接，齿面212和同动齿轮组31中的一个齿轮 啮合实现齿臂21和同动齿轮组31之间的连接。这样，当一个活动板12发生转动时，销钉22在第一弧形滑槽1211中滑动，通过齿臂21带动同动齿轮组31转动，同动齿轮组31的转动使得与同动齿轮组31连接的另一个齿臂21发生转动，进而带动另一个活动板12发生相同旋转量的转动，进而保证两个固定板11的支撑面和活动板12的支撑面之间的夹角始终相等。
需要说明的是，第一耳座121为凸出于活动板12的底部表面的片状结构，该片状结构可以为方形、半圆形、或者其它形状，本公开实施例对此不做限定。在第一耳座121上开设的第一弧形滑槽1211在与柔性显示屏垂直的平面上的投影为圆弧形，且第一弧形滑槽1211凹向活动板12的支撑面，以保证销钉22的运动轨迹为圆弧形。
还需要说明的是，为保持固定板11两侧设置的活动板12在折叠时保持稳定，每个活动板12的底部表面均和至少两个齿臂21活动连接，两个活动板12的底部表面活动连接的齿臂21的数量相等，在保证固定板11两侧的活动板12同步折叠的同时，可以保证固定板11两侧折叠的稳定性。
在一些实施例中，同动组件3还包括同动杆32；齿臂21的第二端设置有通孔，同动杆32的两端均和一个齿臂21通过通孔固定连接。
需要说明的是，同动杆32的两端均和一个齿臂21的第二端连接，这样，连接在同一同动杆32上的任一齿臂21发生转动时，即会通过同动杆32带动另一个齿臂21发生转动，进而实现同一同动杆32上的两个齿臂21的同步转动。
可选的，如图6所示，为避免同动杆32和齿臂21之间发生相对转动，保证同一同动杆32上的两个齿臂21的同步转动，同动杆32的第一位置321和第二位置322沿垂直于同动杆32的轴线方向的截面为非圆形截面；通孔的孔型和非圆形截面的形状一致，第一位置321和第二位置322为同动杆32和齿臂21配合连接的位置。这样，在同动杆32的第一位置321和第二位置322连接齿臂21后，可以避免齿臂21和同动杆32之间发生相对转动，使得连接在同一同动杆32上的任一齿臂21发生转动时，即会通过同动杆32带动另一个齿臂21发生转动。
此外，在一些实施例中，如图3和图5所示，支撑模组还包括连接板13；连接板13的底部表面设置有第二耳座131，第二耳座131凸出于连接板13 的底部表面；第二耳座131上开设有第二弧形滑槽1311，连接板13活动连接在活动板12的底部，第一耳座121和第二耳座131沿销钉22的轴线方向在第一平面上的投影重叠，第一弧形滑槽1211和第二弧形滑槽1311沿销钉的轴线方向在第一平面上的投影重叠，其中，第一平面为和活动板12垂直的平面；销钉22穿过第一弧形滑槽1211和第二弧形滑槽1311，以使齿臂21的第一端和连接板13铰接；连接板13用于固定柔性显示屏的中框。
需要说明的是，连接板13的第一侧可以设置凸筋，凸筋伸出于连接板13的第一侧，连接板13的第一侧为连接板13远离活动板的一侧，且位于两个连接板13的连线上。凸筋上可以开设螺纹孔，连接板13和中框之间可以通过螺纹连接，以使连接板13和中框固定。和活动板12的底部表面设置第一耳座121相似，在连接板13的底部设置有第二耳座131，第二耳座131上开设有第二弧形滑槽1311。在使得连接板13和活动板12卡接之后，使得第一弧形滑槽1211和第二弧形滑槽1311对齐，之后销钉22同时穿过第一弧形滑槽1211和第二弧形滑槽1311，使得齿臂21的第一端同时和连接板13、活动板12铰接。这样，在中框发生转动的情况下，可以带动连接板13转动，连接板13转动带动活动板12转动，进而使得连接在活动板12的底部表面和连接板13的底部表面的齿臂21转动，进而使得同动齿轮组31转动，进而带动固定板11另一侧的活动板12和连接板13转动，最终使得连接在固定板11另一侧的中框发生同等角度的转动。
还需要说明的是，为提升齿臂21和连接板13之间连接的稳定性、齿臂21和活动板12之间连接的稳定性，活动板12在与齿臂21的连接处设置有两个第一耳座121，连接板13在与齿臂21的连接处设置有两个第二耳座131，两个第一耳座121间隔设置，两个第二耳座131间隔设置，齿臂21连接在两个第一耳座121之间，两个第一耳座121位于两个第二耳座131之间。这样，销钉22的两端均连接有一个第一耳座121和第二耳座131，进一步提升了齿臂21和连接板13之间连接的稳定性、齿臂21和活动板12之间连接的稳定性。
可选的，如图3和图4所示，固定板11包括支座111和后盖112，活动板12靠近固定板11的侧边上设置有圆弧导板122；支座111和后盖112之间连接形成安装空腔；同动组件3安装在安装空腔中，圆弧导板122活动连 接在安装空腔中；圆弧导板122具有圆弧面，圆弧面沿第一方向在柔性显示屏上投影时圆弧形，第一方向为垂直于柔性显示屏的方向。
需要说明的是，如图11所示，由于圆弧导板122具有圆弧面，圆弧面沿第一方向在柔性显示屏上投影是圆弧形，第一方向为垂直于柔性显示屏的方向，因此在圆弧导板122活动连接在支座111和后盖112之间连接形成安装空腔后，可以使得圆弧导板122绕着安装空腔的轴线转动。具体的，在旋转的过程中，中框转动带动连接板13转动，销钉22在连接板13中滑动带动齿臂21，同时销钉22也会在活动板12中滑动，由于活动板12上设置的圆弧导板122可以绕着安装空腔的轴线转动，而连接板13和活动板12之间活动连接，而导致活动板12也在运动，因此使得连接板13以非圆弧转动。这样，在折叠过程中，可以使得柔性显示屏在活动板12的作用下形成一个水滴形态，使得活动板12的支撑表面始终紧贴柔性显示屏，使得柔性显示屏的折叠过程得到补偿，进而可以减小活动板12的支撑表面和柔性显示屏之间的间隙，降低柔性显示屏折叠后的折痕。
此外，后盖112可以为方形壳体、圆柱形壳体，或者其它形状的壳体，本公开实施例对此不做限定。可选的，后盖112为半圆筒型，这样，一方面可以给同动组件3的安装提供充足的安装空间，另一方面，半圆筒型后盖112有利于节省固定板11所占用的空间，有利于降低支撑模组的体积。
可选的，为实现固定板11和活动板12之间的活动连接，在一种可能实现的方式中，如图2、图3和图6所示，活动板12的底部表面上设置有第一弧导槽123和第一弧导块124；连接板13的底部表面上设置有第二弧导槽132和第二弧导块133；第一弧导块124嵌入第二弧导槽132中，第二弧导块133嵌入第一弧导槽123中。这样，在旋转的过程中，中框转动带动连接板13转动，销钉22在连接板13中滑动带动齿臂21，同时销钉22也会在活动板12中滑动，由于活动板12上设置的圆弧导板122可以绕着安装空腔的轴线转动，通过第一弧导块124在第二弧导槽132中转动，第二弧导块133在第一弧导槽123中转动，而导致活动板12也在运动，因此使得连接板13以非圆弧转动。
需要说明的是，第一弧导槽123和第二弧导槽132可以由两个凸块形成，也可以由一个弧形板形成，或者由其它形式形成，本公开实施例对此不做限 定。
在一种可能实现的方式，活动板12的底部表面或者连接板13的底部表面上设置有至少两个凸块；两个凸块之间间隔形成第一弧导槽123或者第二弧导槽132。这样，在第一弧导块124嵌入到两个凸块中或者第二弧导块133嵌入到两个凸块中时，不仅可以使得第一弧导块124或者第二弧导块133在两个凸块之间形成的弧导槽中滑动，而且可以被两个凸块进行限位，使得活动板12和连接板13之间的活动更为稳定。
可选的，第一弧导槽123在柔性显示屏上的投影的形状和第二弧导槽132在柔性显示屏上的投影的形状相同。这样，可以保证连接板13和活动板12活动轨迹保持一致，有利于提升连接板13和活动板12之间运动的稳定性。需要说明的是，第一弧导槽123在柔性显示屏上的投影的形状和第二弧导槽132在柔性显示屏上的投影的形状可以在加工工艺许可的范围内存在误差，如在采用钻削加工第一弧导槽123和第二弧导槽132的情况下，第一弧导槽123在柔性显示屏上的投影在第一方向上的尺寸和第二弧导槽132在柔性显示屏上的投影在第一方向上的尺寸可以相差0.10毫米至0.14毫米之间的任一数值，第一方向为和柔性显示屏所在的平面平行的方向。
为使得活动板12的支撑面和固定板11的支撑面之间的第一夹角可以保持在任一角度，在一些实施例中，如图4所示，支撑组件1还包括扭力组件4；扭力组件4设置在两个同动齿轮组31之间，扭力组件4用于给同动齿轮组31提供转动摩擦力，转动摩擦力的方向和同动齿轮组31的转动方向相反。这样，可以通过扭力组件4给同动齿轮组31提供与转动方向相反的转动摩擦力，进而在没有外力作用下，可以使得同动齿轮组31保持在该转动形态，进而使得与同动齿轮组31啮合连接的齿臂21保持不动，使得两个活动板12的折叠状态保持不变，使得柔性显示屏可以保持任一折叠状态。
可选的，如图8、图9和图10所示，扭力组件4包括弹性件41、凸轮42和连接杆43，同动齿轮组31包括两个互相啮合设置的转动齿轮311；连接杆43的两端均连接有一个转动齿轮311；一个同动齿轮组31和一个凸轮42配合连接，弹性件41设置在两个凸轮42之间；在活动板12的支撑面和固定板11的支撑面之间存在第一夹角的情况下，凸轮42挤压弹性件41，弹性件41的压缩量为第一压缩量；在活动板12的支撑面和固定板11的支撑 面之间处于同一平面的情况下，凸轮42挤压弹性件41，弹性件41的压缩量为第二压缩量，第一压缩量大于第二压缩量。
需要说明的是，由于两个相互啮合的齿轮和一个凸轮42连接，一个同动齿轮组31和一个凸轮42配合连接，弹性件41设置在两个凸轮42之间，因此当同动齿轮组31在齿臂21的作用下转动时，使得两个凸轮42朝相互靠近的方向运动，进而挤压弹性件41，使得弹性件41压缩，压缩后的弹性件41给凸轮42一个反作用力，增大凸轮42和同动齿轮组31之间的摩擦力，进而给同动齿轮组31提供变化的扭矩，可以使得同动齿轮组31保持在该转动形态，进而使得与同动齿轮组31啮合连接的齿臂21保持不动，使得两个活动板12的折叠状态保持不变。还需要说明的是，由于凸轮42集成在同动齿轮组31上，可以减少零件数，减小累计间隙，有利于整个扭力组件4保持结构的稳定性。
可选的，如图8和图9所示，转动齿轮311朝向弹性件41的端面上设置有凸齿，凸齿和凸轮42的凸台断面421配合连接。需要说明的是，当转动齿轮311转动时，转动齿轮311的端面上的凸齿和凸轮42的凸台断面421的凸起部分接触时，使得凸轮42被凸齿顶出，进而向靠近弹性件41的方向运动，使得弹性件41压缩。此外，凸轮42可以和同动齿轮分离设置，同样可以达到上述效果，本公开实施例对此不再赘述。
可选的，弹性件41为弹簧或者压缩碟簧。需要说明的是，由于弹性件41设置在两个凸轮42之间，因此弹性件41在发生压缩时，会受到两个凸轮42的挤压力，进而压缩量翻倍，进而进一步增大了凸轮42和同动齿轮组31之间的摩擦力。
从上述实施例可以看出，在本公开实施例中，由于固定板11的两侧均铰接有一个活动板12；同动组件3固定在固定板11上，传动组件2位于活动板13的底部和固定板的底部，每个活动板12的底部表面和一个传动组件2的第一端活动连接，位于固定板11两侧的传动组件2的第二端均和同动组件3活动连接，因此在一个活动板12的支撑面和固定板11的支撑面之间存在第一夹角的情况下，另一个活动板12的支撑面在传动组件2和同动组件3的作用下和固定板11的支撑面之间保持第一夹角，进而使得固定板11两侧活动连接的两个活动板12的折叠量相等。这样，在柔性显示屏需要对半进 行折叠时，两个固定板11的支撑面和活动板12的支撑面之间的夹角始终相等，使得两个固定板11表面覆盖的柔性显示屏可以完全贴合，进而使得两个固定板11的底部表面之间的距离降低，有利于降低支撑模组的折叠后的体积。有利于支撑模组轻量化发展。同时，由于两个固定板11的支撑面和活动板12的支撑面之间的夹角始终相等，因此使得折叠后的柔性显示屏的两个折叠面的倾斜角相等，进而使得柔性显示屏受到的两个固定板11的支撑力和牵引力相等，有利于淡化柔性显示屏的折痕。
除此之外，在支撑中框还包括连接板13的情况下，在旋转的过程中，中框转动带动连接板13转动，销钉22在连接板13中滑动带动齿臂21，同时销钉22也会在活动板12中滑动，由于活动板12上设置的圆弧形导轨可以绕着安装空腔的轴线转动，而连接板13和活动板12之间活动连接，而导致活动板12也在运动，因此使得连接板13以非圆弧转动。这样，在折叠过程中，可以使得柔性显示屏在活动板12的作用下形成一个水滴形态，使得活动板12的支撑表面始终紧贴柔性显示屏使得柔性显示屏的折叠过程得到补偿，进而可以减小活动板12的支撑表面和柔性显示屏之间的间隙，降低柔性显示屏折叠后的折痕。
第二方面，本公开实施例还提供了一种显示模组，所述显示模组包括柔性显示屏和第一方面任一实施例所述的支撑模组。柔性显示屏覆盖在活动板12的支撑面和固定板11的支撑面上。显示模组所具备的有益效果和上述支撑模组的有益效果一致，本公开实施例对此不再赘述。
第三方面，本公开实施例还提供了一种显示装置，所述显示装置包括第二方面所述的显示模组，该显示装置所具备的有益效果和上述支撑模组的有益效果一致，本公开实施例对此也不再赘述。
此外，需要说明的是，本公开实施例中的显示装置可以是移动显示装置，也可以为非移动显示装置。示例性的，移动显示装置可以为手机、平板电脑、笔记本电脑、掌上电脑、车载显示装置、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer，UMPC)、上网本或者个人数字助理(personal digital assistant，PDA)等，非移动显示装置可以为个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机 等，本公开实施例不作具体限定。还需要说明的是，在本公开实施例的显示装置的柔性显示屏的尺寸较大时，可以将多个支撑模组并列应用在柔性显示屏下，以实现大尺寸柔性显示屏的折叠。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本公开实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。
Claims (16)
- 一种支撑模组，用于支撑柔性显示屏，其特征在于，所述支撑模组包括支撑组件、传动组件和同动组件；所述支撑组件包括固定板和活动板，所述固定板的两侧均铰接有一个所述活动板；所述同动组件固定在所述固定板上，所述传动组件位于所述活动板的底部和固定板的底部；每个所述活动板的底部表面和一个所述传动组件的第一端活动连接，位于所述固定板两侧的所述传动组件的第二端均和所述同动组件活动连接；在一个所述活动板的支撑面和所述固定板的支撑面之间存在第一夹角的情况下，另一个所述活动板的支撑面在所述传动组件和所述同动组件的作用下和所述固定板的支撑面之间保持所述第一夹角；其中，所述活动板的支撑面和所述固定板的支撑面均为支撑所述柔性显示屏的表面，所述活动板的底部表面为和所述活动板的支撑面相对的一个表面。
- 根据权利要求1所述的支撑模组，其特征在于，所述传动组件包括齿臂和销钉，所述同动组件包括同动齿轮组，所述活动板的底部表面设置有第一耳座；所述齿臂的第一端开设有铰接孔，所述齿臂的第二端为齿面，所述铰接孔的轴线和所述同动齿轮组中任一齿轮的的轴线平行；所述第一耳座凸出于所述活动板的底部表面，所述第一耳座中开设有第一弧形滑槽，所述销钉穿过所述铰接孔和所述第一弧形滑槽以使所述齿臂的第一端和所述活动板铰接；所述同动齿轮组中的两个齿轮中的任一个均和一个所述齿臂的第二端啮合。
- 根据权利要求2所述的支撑模组，其特征在于，所述同动组件还包括同动杆；所述齿臂的第二端设置有通孔，所述同动杆的两端均和一个所述齿臂通 过所述通孔固定连接。
- 根据权利要求3所述的支撑模组，其特征在于，所述同动杆的第一位置和第二位置沿垂直于同动杆的轴线方向的截面为非圆形截面；所述通孔的孔型和所述非圆形截面的形状一致，所述第一位置和所述第二位置为所述同动杆和所述齿臂配合连接的位置。
- 根据权利要求2所述的支撑模组，其特征在于，所述支撑组件还包括连接板；所述连接板的底部表面设置有第二耳座，所述第二耳座凸出于所述连接板的底部表面；所述第二耳座上开设有第二弧形滑槽，所述连接板活动连接在所述活动板的底部，所述第一耳座和所述第二耳座沿所述销钉的轴线方向在第一平面上的投影重叠，所述第一弧形滑槽和所述第二弧形滑槽沿所述销钉的轴线方向在第一平面上的投影重叠，其中，所述第一平面为和所述活动板垂直的平面；所述销钉穿过所述第一弧形滑槽和所述第二弧形滑槽，以使所述齿臂的第一端和所述连接板铰接；所述连接板用于固定所述柔性显示屏的中框。
- 根据权利要求5所述的支撑模组，其特征在于，所述固定板包括支座和后盖，所述活动板靠近所述固定板的侧边上设置有圆弧导板；所述支座和所述后盖之间连接形成安装空腔；所述同动组件安装在所述安装空腔中，所述圆弧导板活动连接在所述安装空腔中；所述圆弧导板具有圆弧面，所述圆弧面沿第一方向在所述柔性显示屏上投影为圆弧形，所述第一方向为垂直于所述柔性显示屏的方向。
- 根据权利要求6所述的支撑模组，其特征在于，所述后盖为半圆筒型。
- 根据权利要求5所述的支撑模组，其特征在于，所述活动板的底部表面上设置有第一弧导槽和第一弧导块；所述连接板的底部表面上设置有第二弧导槽和第二弧导块；所述第一弧导块嵌入所述第二弧导槽中，所述第二弧导块嵌入所述第一弧导槽中。
- 根据权利要求8所述的支撑模组，其特征在于，所述活动板的底部表面或者所述连接板的底部表面上设置有至少两个凸块；两个所述凸块之间间隔形成所述第一弧导槽或者所述第二弧导槽。
- 根据权利要求8所述的支撑模组，其特征在于，所述第一弧导槽在所述柔性显示屏上的投影的形状和所述第二弧导槽在柔性显示屏上的投影的形状相同。
- 根据权利要求2所述的支撑模组，其特征在于，所述支撑组件还包括扭力组件；所述扭力组件设置在两个所述同动齿轮组之间，所述扭力组件用于给所述同动齿轮组提供转动摩擦力，所述转动摩擦力的方向和所述同动齿轮组的转动方向相反。
- 根据权利要求11所述的支撑模组，其特征在于，所述扭力组件包括弹性件、凸轮和连接杆，所述同动齿轮组包括两个互相啮合设置的转动齿轮；所述连接杆的两端均连接有一个所述转动齿轮，一个所述同动齿轮组和一个所述凸轮配合连接，所述弹性件设置在两个所述凸轮之间；在所述活动板的支撑面和所述固定板的支撑面之间存在第一夹角的情况下，所述凸轮挤压所述弹性件，所述弹性件的压缩量为第一压缩量；在所述活动板的支撑面和所述固定板的支撑面之间处于同一平面的情况下，所述凸轮挤压所述弹性件，所述弹性件的压缩量为第二压缩量，所述第一压缩量大于所述第二压缩量。
- 根据权利要求12所述的支撑模组，其特征在于，所述转动齿轮朝向所述弹性件的端面上设置有凸齿，所述凸齿和所述凸轮的凸台断面配合连接。
- 根据权利要求12所述的支撑模组，其特征在于，所述弹性件为弹簧或者压缩碟簧。
- 一种显示模组，其特征在于，所述显示模组包括柔性显示屏和权利要求1-14任一项所述的支撑模组；所述柔性显示屏覆盖在所述活动板的支撑面和所述固定板的支撑面上。
- 一种显示装置，其特征在于，所述显示装置包括权利要求15所述的显示模组。
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| US10480225B1 (en) * | 2018-12-25 | 2019-11-19 | Fositek Corporation | Hinge mechanism and flexible electronic device having the same |
| CN111698355A (zh) * | 2019-03-15 | 2020-09-22 | 华为技术有限公司 | 一种转轴机构及移动终端 |
| CN113542457A (zh) * | 2020-04-15 | 2021-10-22 | 华为技术有限公司 | 折叠装置及电子设备 |
| CN113643612A (zh) * | 2021-07-20 | 2021-11-12 | 江苏盈智融科技有限公司 | 内折齿轮连杆式柔性屏转轴机构 |
| CN113805646A (zh) * | 2020-06-15 | 2021-12-17 | 华为技术有限公司 | 折叠装置及电子设备 |
| CN114333566A (zh) * | 2020-09-30 | 2022-04-12 | 华为技术有限公司 | 一种折叠装置及电子设备 |
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| US10480225B1 (en) * | 2018-12-25 | 2019-11-19 | Fositek Corporation | Hinge mechanism and flexible electronic device having the same |
| CN111698355A (zh) * | 2019-03-15 | 2020-09-22 | 华为技术有限公司 | 一种转轴机构及移动终端 |
| CN113542457A (zh) * | 2020-04-15 | 2021-10-22 | 华为技术有限公司 | 折叠装置及电子设备 |
| CN113805646A (zh) * | 2020-06-15 | 2021-12-17 | 华为技术有限公司 | 折叠装置及电子设备 |
| CN114333566A (zh) * | 2020-09-30 | 2022-04-12 | 华为技术有限公司 | 一种折叠装置及电子设备 |
| CN113643612A (zh) * | 2021-07-20 | 2021-11-12 | 江苏盈智融科技有限公司 | 内折齿轮连杆式柔性屏转轴机构 |
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