CN112614434B - Flexible display device - Google Patents
Flexible display device Download PDFInfo
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- CN112614434B CN112614434B CN202011642855.6A CN202011642855A CN112614434B CN 112614434 B CN112614434 B CN 112614434B CN 202011642855 A CN202011642855 A CN 202011642855A CN 112614434 B CN112614434 B CN 112614434B
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- flexible display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
The invention discloses a flexible display device which comprises a shell, a flexible screen connected to the shell, a stretching device connected with the shell in a sliding mode and fixedly connected with the flexible screen, and a linkage device connected with the shell and the stretching device, wherein the linkage device drives the stretching device to slide relative to the shell so that the flexible screen is pulled out or stored; compared with the prior art, the flexible display device can realize flexible storage and taking out of the flexible screen, and realize quick and flexible conversion between a small-size portable state and a large-size display state of the flexible display device.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display device.
Background
With the development of display technology, users have made various demands on display devices, and in order to meet different use demands, various display products with different characteristics are applied, wherein consumers now seek not only a simple large screen, but also a large screen, and at the same time, the requirements of convenience and portability are better met.
An OLED (Organic Light-Emitting Diode) display device has attracted considerable attention because it is bendable and flexible, and a space occupied by a screen having a large size can be reduced by folding or rolling the OLED display device, so that it is more portable, and thus a foldable and rollable display apparatus is one of the main research directions of the OLED display device.
At present, the OLED display device is curled to be stored so as to reduce occupied space and increase portability, the curled and stored flexible display device is taken out to be displayed in a large size, generally, the curled flexible screen is pulled out or pushed in by a user with hands, the use is not convenient enough, force is not uniform in the pushing and pulling process of the user, and the flexible screen is easy to damage.
Disclosure of Invention
The embodiment of the invention provides a flexible display device, which can be used for curling and containing a flexible screen to reduce the occupied space and increase the portability, and can be used for flexibly and conveniently taking out the contained flexible screen to display in a large size.
An embodiment of the present invention provides a flexible display device, including:
a housing;
a stretching device slidably connected to the housing;
one end of the flexible screen is movably connected to the shell, and the other end of the flexible screen is fixedly connected to the stretching device, so that the first part of the flexible screen is positioned on one side, facing the display surface of the flexible display device, of the shell and the stretching device; and
the linkage device is connected with the stretching device and is rotationally connected with the shell, and the linkage device is used for driving the stretching device to slide relative to the shell in the process of overturning relative to the shell so as to enable the flexible display device to be in a first state or a second state, wherein the area of the first part in the first state is smaller than that of the first part in the second state.
In one embodiment of the invention, the linkage comprises a flip-flop rotatably connected to the housing, wherein a flip angle between the flip-flop and the housing in the first state is smaller than the flip angle in the second state.
In an embodiment of the present invention, the linkage device further includes a linkage member, wherein one end of the linkage member is connected to the turnover member, and the other end of the linkage member is connected to the stretching device.
In an embodiment of the present invention, the linkage member includes two linkage rods, the turning member includes two opposite connection plates, and the stretching device includes two opposite extension plates, wherein the housing is rotatably connected to the two connection plates, one end of each linkage rod is rotatably connected to the corresponding connection plate, and the other end of each linkage rod is rotatably connected to the corresponding extension plate.
In one embodiment of the present invention, the housing has a first side and a second side opposite to each other, and a first end and a second end opposite to each other connected between the first side and the second side, the flip has a third side and a fourth side opposite to each other, the stretching device has a fifth side and a sixth side opposite to each other, wherein each of the first end and the second end of the housing is rotatably connected to the corresponding connecting plate near to the fourth side near to the second side, the one end of each linkage rod is rotatably connected to the corresponding connecting plate far from the fourth side, and the other end of each linkage rod is rotatably connected to the corresponding extending plate near to the fifth side near to the second side, wherein the third side of the flip in the first state is closer to the first side of the housing than the third side of the flip in the second state, the position of each extension plate near the fifth side in the first state is closer to the first side of the shell than the position of each extension plate near the fifth side in the second state.
In an embodiment of the present invention, the stretching device further includes a support member connected between the two extension plates near the sixth side, and the other end of the flexible screen is fixedly connected to the support member.
In one embodiment of the invention, the surface of the support member contacting the flexible screen is curved.
In an embodiment of the invention, the flexible display device further includes a reel, the first side of the housing is provided with a receiving opening, the reel is adjacent to the receiving opening and rotatably disposed in the housing, and the one end of the flexible screen is connected to the reel in a rollable manner.
In an embodiment of the invention, the linkage is further configured to drive the stretching device to slide relative to the housing to place the flexible display device in a third state, in which an area of the first portion is larger than an area of the first portion in the first state and smaller than an area of the first portion in the second state, and in which the flip angle is larger than the flip angle in the first state and smaller than the flip angle in the second state.
In one embodiment of the invention, the flip angle of the flip is greater than or equal to 0 ° and less than or equal to 180 °;
when the flexible display device is in the first state, the flip angle of the flip piece is equal to 0 degree;
when the flexible display device is in the second state, the flip angle of the flip is equal to 180 °;
when the flexible display device is in the third state, the flip angle of the flip is greater than 0 ° and less than 180 °.
The invention has the beneficial effects that: in addition, the embodiment of the invention is also correspondingly provided with the linkage device, the linkage device drives the stretching device to slide relative to the shell, and the display area can be increased or the display area and the space occupied by the flexible display device can be reduced in the sliding process of the stretching device.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic diagram of a disassembled structure of a flexible display device according to an embodiment of the present invention;
fig. 2A is a schematic structural diagram of a flexible display device when a flip element provided in an embodiment of the present invention is flipped by 0 °;
fig. 2B is a schematic perspective structural view of the flexible display device when the flip element is flipped by 0 ° according to the embodiment of the present invention;
fig. 3A is a schematic structural diagram of a flexible display device when a flip element provided in an embodiment of the present invention is flipped by 90 °;
fig. 3B is a schematic perspective structural view of the flexible display device when the flip element is flipped by 90 ° according to the embodiment of the present invention;
fig. 4A is a schematic structural diagram of a flexible display device when a flip element is flipped 180 ° according to an embodiment of the present invention;
fig. 4B is a schematic perspective structural view of the flexible display device when the flip element is flipped 180 ° according to the embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The embodiment of the invention provides a flexible display device, which can be used for curling and containing a flexible screen to reduce the occupied space and increase the portability, and can be used for flexibly and conveniently taking out the contained flexible screen to display in a large size. The flexible display device may be an Organic Light-Emitting Diode (OLED) display device, a Micro Light-Emitting Diode (Micro LED) display device, or a Mini LED (Mini LED) display device.
Fig. 1 is a schematic view of a disassembled structure of a flexible display device according to an embodiment of the present invention. The flexible display device includes: a housing 10; a stretching device 20, wherein the stretching device 20 is slidably connected to the shell 10; a flexible screen 30, one end of the flexible screen 30 is movably connected to the housing 10, and the other end of the flexible screen 30 is fixedly connected to the stretching device 20, so that a first portion 301 of the flexible screen 30 is located on a side of the housing 10 and the stretching device 20 facing a display surface of the flexible display device; and a linkage device 40 connected to the stretching device 20 and rotatably connected to the housing 10, wherein the linkage device 40 is configured to drive the stretching device 20 to slide relative to the housing 10 during a process of flipping relative to the housing 10, so as to enable the flexible display device to be in a first state or a second state, wherein an area of the first portion 301 (see fig. 2A) in the first state is smaller than an area of the first portion 301 (see fig. 4A) in the second state.
In the implementation and application process, one end of the flexible screen 30 is fixed on the stretching device 20, the other end of the flexible screen is connected to the housing 10, the stretching device 20 can slide relative to the housing 10, in addition, the linkage device 40 is correspondingly arranged in the embodiment of the present invention, the linkage device 40 drives the stretching device 20 to slide relative to the housing 10 in the process of overturning relative to the housing 10, and in the process of sliding the stretching device 20, the display area can be increased or reduced.
Further, with continued reference to fig. 1, the flexible display device includes a housing 10, a stretching device 20, a flexible screen 30, a linkage 40, and a reel 50.
One end of the flexible screen 30 is movably connected to the housing 10, and can be rolled, folded, laid flat or otherwise received in the housing 10, and meanwhile, the flexible screen 30 can also be pulled out from the housing 10 by rolling, sliding or other moving methods, and the other end of the flexible screen 30 is fixedly connected to the stretching device 20, so that the first portion 301 of the flexible screen 30 is located on a side of the housing 10 facing a display surface of the flexible display device to perform a display function, where it is to be noted that the first portion 301 is a portion of the flexible display device for displaying.
The linkage device 40 includes a turning member 401 and a linkage member, the turning member 401 is rotatably connected to the housing 10, one end of the linkage member is connected to the turning member 401, and the other end of the linkage member is connected to the stretching device 20.
Specifically, in the embodiment of the present invention, the linkage member includes two linkage rods 402, the turning member 401 includes two opposite connection plates 4011, the stretching device 20 includes two opposite extension plates 201, wherein the housing 10 is rotatably connected to the two connection plates 4011, one end of each linkage rod 402 is rotatably connected to the corresponding connection plate 4011, the other end of each linkage rod 402 is rotatably connected to the corresponding extension plate 201, the linkage rod 402 is driven to move by turning the turning member 401, the linkage rod 402 pulls the extension plate 201 to move, so that the stretching device 20 slides relative to the housing 10 and drives the flexible screen 30 to move, so that the flexible screen 30 is pulled out or stored, and in the embodiment of the present invention, in the first state, the turning angle between the turning member 401 and the housing 10 is smaller than the turning angle in the second state.
With reference to fig. 1, the connection structure of the flexible display device according to the embodiment of the invention will be described in detail.
The housing 10 includes first and second opposite sides a and b, and first and second opposite ends j and k connected between the first and second sides a and b, the flipper 401 has third and fourth opposite sides c and d, and the stretching device 20 has fifth and sixth opposite sides m and n.
The housing 10 is provided with a receiving opening 101 near the first side a, the flexible display device further includes a reel 50, the reel 50 is rotatably disposed in the housing 10 near the receiving opening 101, the reel 50 is rotatably connected to the first end j and the second end k of the housing 10, and one end of the flexible screen 30 is rollably connected to the reel 50 and is received in the housing 10, it should be noted that the flexible screen 30 can be received in the housing 10 by a coil spring, a torsion spring, a motor, or the like, so as to apply a pre-torsion force to the flexible screen 30, in the embodiment of the present invention, the flexible screen 30 is rollably received on the reel 50, and the reel 50 can roll up the flexible screen 30 by the coil spring and always maintain the pre-rolling force, for example, one end of the coil spring is fixedly connected to the reel 50, the other end is connected to the flexible screen 30 and the middle portion of the coil spring is wound on the winding shaft 50, so that the flexible screen 30 is wound up while maintaining a pre-winding force.
Further, each of the first end j and the second end k of the housing 10 near the second side b is rotatably connected to the corresponding connecting plate 4011 near the fourth side d, and particularly, a shaft structure g located at the second side b and a shaft structure h located at the fourth side d are used for shaft-hole connection, so as to realize the rotational connection between the turning piece 401 and the housing 10.
The one end of each linkage rod 402 is rotatably connected to the position far away from the fourth side d of the corresponding connecting plate 4011 (as shown in the axial hole connection at i in fig. 1), the other end of each linkage rod 402 is rotatably connected to the position near the fifth side m of the corresponding extending plate 201, specifically, the other end of each linkage rod 402 can be in axial hole connection with the axial structure f at the fifth side m through the hole structure e at the other end of the linkage rod 402, so that each linkage rod 402 can be simultaneously and rotatably connected with the corresponding connecting plate 4011 and the corresponding extending plate 201.
Both ends of the extension plate 201 near the fifth side m are slidably connected to the first end j and the second end k of the housing 10, specifically, both ends of the extension plate 201 near the fifth side m are provided with sliders 2011, both ends of the extension plate 201 near the fifth side m are provided with corresponding chutes 102, the first end j and the second end k are provided with corresponding chutes 102, and the extension plate 201 can slide relative to the housing 10 by the engagement between the sliders 2011 and the chutes 102, so that the stretching device 20 can slide relative to the housing 10, and in addition, the extension plate 201 can also be provided with pulleys, and the housing 10 can be provided with corresponding slide rails, or other technical means capable of making the extension plate 201 slide relative to the housing 10, which is not limited herein.
Through the connection mode, the turnover part 401 drives the linkage rod 402 to move in the turnover process, the linkage rod 402 drives the extension plate 201 to slide relative to the shell 10, and further drives the stretching device 20 to slide relative to the shell 10, and the relation between the size of the turnover angle of the turnover part 401 and the size of the sliding distance of the extension plate 201 can be set according to the connection positions of the linkage rod 402 on the connection plate 4011 and the extension plate 201 respectively, so that the requirement between the size of the turnover angle of the turnover part 401 and the size of the sliding distance of the extension plate 201 is met, and the limitation is not made here.
The third side c of the flip 401 in the first state is closer to the first side a of the housing 10 than the third side c of the flip 401 in the second state, and a position of each of the extension plates 201 close to the fifth side m in the first state is closer to the first side a of the housing 10 than a position of each of the extension plates 201 close to the fifth side m in the second state.
In addition, one end of the flexible screen 30 is connected to the reel 50 in a rollable manner, and the other end of the flexible screen is fixedly connected to the stretching device 20 through the receiving opening 101, so that the first portion 301 of the flexible screen 30 is located on the side of the casing 10 and the stretching device 20 facing the display surface of the flexible display device, so as to perform the display function.
And the stretching device 20 further comprises a support member 202 connected between the two extension plates 201 near the sixth side n, the other end of the flexible screen 30 is fixedly connected to the support member 202, and the support member 202 is parallel to the second side b, so that the flexible screen 30 is uniformly stressed when being pulled out or received, and the support member 202 reciprocates in the direction from the first side a to the second side b along with the sliding of the extension plates 201, so that when the support member 202 moves from the first side a to the second side b, the flexible screen 30 is pulled out from the receiving opening 101, and when the support member 202 moves from the second side b to the first side a, the flexible screen 30 is received by the receiving opening 101 and is curled and received on the reel 50.
And the surface of the support member 202 contacting the flexible screen 30 is a curved surface to prevent the flexible screen 30 from being damaged by friction or collision during the sliding process of the stretching device 20.
In one embodiment of the present invention, the receiving opening 101 may be disposed at a side of the housing 10 facing the display surface (as shown in fig. 1), so that the flexible screen 30 passes through the receiving opening 101 and is laid on the side of the housing 10 and the stretching device 20 facing the display surface, while in other embodiments of the present invention, the receiving opening 101 may be disposed at a side or a back of the housing 10, and accordingly, a roller or a roller may be disposed at a corner where the flexible screen 30 is pulled out and extended, so that the flexible screen 30 is pulled out smoothly and the flexible screen 30 is prevented from being damaged.
In an embodiment of the invention, the flexible display device further comprises a third state, and in the third state the area of the first portion 301 is larger than the area of the first portion 301 in the first state and smaller than the area of the first portion 301 in the second state, and in the third state the flip angle is larger than the flip angle in the first state and smaller than the flip angle in the second state.
It should be noted that the flip angle of the flip 401 is greater than or equal to 0 ° and less than or equal to 180 °, so that the flip 401 is flipped between the side of the housing 10 facing away from the display surface and the coplanar side of the housing 10 facing toward the display surface.
Referring to fig. 1, fig. 2A and fig. 2B, when the flip angle of the flip element 401 is 0 °, the flexible display device is in a first state, i.e., a portable state, the flip element 401 is attached to the side of the housing 10 opposite to the display surface, and the supporting element 202 is adjacent to the second side B, at this time, the first portion 301 of the flexible screen 30 is flatly laid on the side of the housing 10 facing the display surface for displaying, and the rest of the flexible screen 30 is curled and stored on the reel 50.
Referring to fig. 1, 4A and 4B, when the flip angle of the flip element 401 is equal to 180 °, the flexible display device is in the second state, i.e., a flat panel display state, the flip 401 is coplanar with a side of the housing 10 facing the display surface, the flexible screen 30 is pulled out by the support 202, so that the area of the first portion 301 is increased, and reaches the maximum, the first portion 301 is flatly attached to the flip part 401 and the side of the housing 10 facing the display surface, at this time, the flip part 401 is coplanar with the housing 10, both sides of which facing the display surface have flush surfaces, so that when the flexible screen 30 is attached to the flip 401 and the housing 10, the whole surface support can be provided, the pressing sinking feeling is prevented from being generated when a user touches the screen, and the product yield and the display effect are further improved.
Referring to fig. 1, 3A and 3B, the flexible display device further includes a third state, when the flip angle of the flip element 401 is greater than 0 ° and less than 180 °, and fig. 3A and 3B show that the flip angle of the flip element 401 is equal to 90 °, the flexible display device is in the third state, that is, a bracket display state, the flip element 401 is flipped between a side of the housing 10 opposite to the display surface and a coplanar side of the housing 10 facing to the display surface, with respect to the second side B, and the support element 202 drives the flexible screen 30 to be pulled out or stored from the storage opening 101.
When the flip angle of the flip element 401 is increased, the stretching device 20 slides from the first side a to the second side b, and then the flexible screen 30 is pulled out from the receiving opening 101, so as to increase the area of the first portion 301, and increase the display area.
When the flip angle of the flip element 401 is decreased, the stretching device 20 slides from the second side b to the first side a, and then the flexible screen 30 is received by the receiving opening 101, so as to decrease the area of the first portion 301, and decrease the display area.
It should be noted that, when the position of the extension plate 201 near the fifth side m reaches the position of the housing 10 near the second side b in the process of increasing the flip angle of the flip 401, the area of the first portion 301 reaches the maximum, in the embodiment of the present invention, when the flip part 401 is coplanar with a side of the housing 10 facing the display surface, i.e. the flip angle is equal to 180 deg., the slide 2011 reaches the end of the chute 102 close to the second side b, to realize a flat panel display state, in which the area of the first portion 301 reaches a maximum, in addition, the linkage rod 402 can be arranged according to the connection positions on the connection plate 4011 and the extension plate 201, so as to achieve the relation between the size of the flip angle and the size of the area of the first portion 301 to meet the required requirements, and is not limited herein.
In an embodiment of the present invention, when the flip angle of the flip 401 is greater than or equal to 30 ° and less than or equal to 150 °, the flip 401 may serve as a support to support a side of the flexible display device facing away from the display surface, and the flip 401 and the first side a of the housing 10 or the sixth side n of the stretching device together support the flexible display device, so that the flexible display device can stand for displaying, and at the same time, the display area of the flexible display device is increased compared to the portable state, thereby improving the display effect.
It should be noted that, in other embodiments of the present invention, the linkage device may further include an electric element, which is connected to the combination gear through a motor, so that the turnover part 401 is automatically turned to a required angle, and the flexible display device is changed to a required state, for example, at a rotational connection position of the turnover part 401 and the housing 10, a gear is respectively disposed at positions g and h, a motor electrically connected to the gear at position g is disposed in the housing 10, and the motor drives the gear at position g to rotate, so as to drive the gear at position h to rotate, thereby achieving automatic turnover of the turnover part 401.
In summary, in the embodiment of the present invention, one end of the flexible screen is fixed to the stretching device, the rest of the flexible screen is accommodated in the housing, and the stretching device can slide relative to the housing, and the embodiment of the present invention further includes a linkage device, the linkage device drives the stretching device to slide relative to the housing, so that the display area can be increased or decreased during the sliding process of the stretching device, when the flip member is flipped over by 0 °, the display area of the flexible display device is minimized, the occupied space is minimized, and the display state is portable, when the flip member is flipped over by 0 ° to 180 °, the display area is increased, and the flip member can serve as a stand to serve as a stand display state, when the flip member is flipped by 180 °, the display area is maximized, and the flip member and the housing provide a whole-surface support for the flexible screen to serve as a flat panel display state, by controlling the flipping of the flip member, and then can be nimble and convenient the flexible screen of realization accomodate with take out, realize the nimble switching of flexible display device between portable state, support display state and flat panel display state, improved flexible display device's convenience, suitability, display effect and product yield.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The flexible display device provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A flexible display device, comprising:
a housing;
the stretching device comprises two opposite extension plates, and each extension plate is connected to the shell in a sliding manner;
one end of the flexible screen is movably connected to the shell, and the other end of the flexible screen is fixedly connected to the stretching device, so that the first part of the flexible screen is positioned on one side, facing the display surface of the flexible display device, of the shell and the stretching device; and
the linkage device comprises a turnover part and a linkage part, the turnover part comprises two opposite connecting plates, the linkage part comprises two linkage rods, the shell is rotatably connected with the two connecting plates, one end of each linkage rod is rotatably connected with the corresponding connecting plate, and the other end of each linkage rod is rotatably connected with the corresponding extending plate;
the linkage device is used for driving the stretching device to slide relative to the shell in the process of overturning relative to the shell so as to enable the flexible display device to be in a first state or a second state, wherein the area of the first part in the first state is smaller than that in the second state.
2. The flexible display device of claim 1, wherein a flip angle between the flip and the housing in the first state is smaller than the flip angle in the second state.
3. The flexible display device of claim 1, wherein the housing has first and second opposing sides and first and second opposing ends connected between the first and second sides, the flip has third and fourth opposing sides, the stretching device has fifth and sixth opposing sides, wherein each of the first and second ends of the housing is rotatably connected to the corresponding connecting plate near the fourth side near the second side, the one end of each linkage rod is rotatably connected to the corresponding connecting plate far from the fourth side, and the other end of each linkage rod is rotatably connected to the corresponding extending plate near the fifth side, wherein the third side of the flip in the first state is closer to the third side of the flip than the second state A first side of the housing, a position of each of the extension plates near the fifth side in the first state being closer to the first side of the housing than a position of each of the extension plates near the fifth side in the second state.
4. The flexible display device of claim 3, wherein the stretching device further comprises a support member connected between the two extension plates near the sixth side, and the other end of the flexible screen is fixedly connected to the support member.
5. The flexible display device of claim 4, wherein a surface of the support member in contact with the flexible screen is curved.
6. The flexible display device according to claim 3, further comprising a reel, wherein the first side of the housing is provided with a receiving opening, and wherein the reel is adjacent to the receiving opening and rotatably disposed within the housing, wherein the one end of the flexible screen is rollably connected to the reel.
7. The flexible display device of claim 2, wherein the linkage is further configured to drive the stretching device to slide relative to the housing to bring the flexible display device to a third state in which the area of the first portion is greater than the area of the first portion in the first state and less than the area of the first portion in the second state, and in which the flip angle is greater than the flip angle in the first state and less than the flip angle in the second state.
8. The flexible display device of claim 7, wherein the flip angle of the flip is greater than or equal to 0 ° and less than or equal to 180 °;
when the flexible display device is in the first state, the flip angle of the flip piece is equal to 0 degree;
when the flexible display device is in the second state, the flip angle of the flip is equal to 180 °;
when the flexible display device is in the third state, the flip angle of the flip is greater than 0 ° and less than 180 °.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2005249828A (en) * | 2004-03-01 | 2005-09-15 | Matsushita Electric Ind Co Ltd | Display device |
| SG166039A1 (en) * | 2009-04-27 | 2010-11-29 | Tong Hock Lai | An adjustable mounting bracket assembly and a flipping bracket assembly for liquid crystal display (lcd) monitors |
| KR101517179B1 (en) * | 2012-11-22 | 2015-05-04 | 임유섭 | Flexible display apparatus with the torque generating method of roller by the folding or unfolding operation power |
| JP3211128U (en) * | 2014-05-21 | 2017-06-29 | リム、ユソプ | Flexible display device having a roller that rotates by the action of an open operation force of a user |
| CN104715682B (en) * | 2015-04-07 | 2017-10-17 | 京东方科技集团股份有限公司 | A kind of display device |
| KR101784880B1 (en) * | 2017-04-02 | 2017-10-16 | 주식회사 가난한동지들 | Display apparatus with A Capability of A folding and Rolling Flexible Display |
| CN108520702B (en) * | 2018-04-02 | 2022-05-17 | 广州国显科技有限公司 | Display device and electronic product |
| CN110828505B (en) * | 2018-07-23 | 2022-06-07 | 京东方科技集团股份有限公司 | Manufacturing method and manufacturing device of flexible panel |
| TWI710309B (en) * | 2019-03-25 | 2020-11-11 | 兆利科技工業股份有限公司 | A hinge module for the foldable type device |
| CN111091759A (en) * | 2019-04-19 | 2020-05-01 | 广东小天才科技有限公司 | Eye-protecting flat plate with flexible display screen |
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