CN114093260B - Display module, control method and display device - Google Patents
Display module, control method and display device Download PDFInfo
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- CN114093260B CN114093260B CN202111358122.4A CN202111358122A CN114093260B CN 114093260 B CN114093260 B CN 114093260B CN 202111358122 A CN202111358122 A CN 202111358122A CN 114093260 B CN114093260 B CN 114093260B
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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
Abstract
The embodiment of the invention discloses a display module, a control method and a display device. The display module comprises a flexible display panel, a bending base body, a bendable hinge and a connecting structure, wherein the bending base body is positioned on one side of the flexible display panel, which is far away from the light emitting surface; the bending matrix comprises a bending surface; the display module further comprises a first suction structure located on one side, facing the bendable hinge, of the flexible display panel and a second suction structure located on one side, facing the flexible display panel, of the bendable hinge. The third attracting structure is positioned on one side, departing from the flexible display panel, of the bendable hinge and the fourth attracting structure is positioned on the curved surface. The display module comprises a flattening state and a bending state; in a flattening state, the first suction structure and the second suction structure are sucked; and in the bending state, the third suction structure and the fourth suction structure suck. The display panel can be freely switched between the flat state and the bent state, manual operation is avoided, labor is saved, and user experience is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of display panels, in particular to a display module, a control method and a display device.
Background
Along with the gradual development of electronic technology, people have higher and higher requirements on the flexibility of the display panel, and on the premise of ensuring the display effect, better visual experience is brought to users. However, the display panel of the existing display panel needs to be rolled and folded by a user manually, and the portability is poor, so that the existing technology has the defects and needs to be improved urgently.
Disclosure of Invention
The embodiment of the invention provides a display module, a control method and a display device, which are used for realizing automatic flattening and bending of the display module, avoiding manual operation and effectively improving portability.
In a first aspect, an embodiment of the present invention provides a display module, including a flexible display panel and a bendable device located on a side of the flexible display panel away from a light exit surface;
the bendable device comprises a bendable base body, a bendable hinge and a connecting structure; the bending base comprises a curved surface; the bendable hinge is arranged on one side of the flexible display panel, which faces the bending base body, and is connected with the flexible display panel through the connecting structure;
the display module further comprises a first suction structure positioned on one side of the flexible display panel, which faces the bendable hinge, a second suction structure positioned on one side of the bendable hinge, which faces the flexible display panel, a third suction structure positioned on one side of the bendable hinge, which is far away from the flexible display panel, and a fourth suction structure positioned on the curved surface;
the display module comprises a flattening state and a bending state; in the flattening state, the first suction structure and the second suction structure are sucked; and in the bent state, the third suction structure and the fourth suction structure are sucked.
In a second aspect, an embodiment of the present invention further provides a method for controlling a display module, for controlling the display module according to any one of the first aspect, including:
sending a first control signal to at least the first suction structure, controlling the first suction structure and the second suction structure to suck, and flattening the flexible display panel;
and at least sending a second control signal to the fourth suction structure to control the fourth suction structure to suck and combine with the third suction structure, and bending the flexible display panel.
In a third aspect, an embodiment of the present invention further provides a display device, including the display module according to any one of the first aspects.
According to the display module provided by the invention, the bendable device is arranged on one side of the flexible display panel, which is far away from the light emitting surface, and comprises the bendable base body, the bendable hinge and the connecting structure, and the bendable hinge connecting structure is connected with the flexible display panel; meanwhile, the display module is arranged and further comprises a first suction structure positioned on one side, facing the bendable hinge, of the flexible display panel, a second suction structure positioned on one side, facing the flexible display panel, of the bendable hinge, a third suction structure positioned on one side, facing away from the flexible display panel, of the bendable hinge and a fourth suction structure positioned on the curved surface; in a flattening state, the first suction structure and the second suction structure are sucked; in the bending state, the third suction structure and the fourth suction structure are sucked, so that the display module automatically reaches a flattening or bending state under the combined action of the first suction structure, the second suction structure, the third suction structure and the fourth suction structure, and the operation portability of the display panel is effectively improved; furthermore, the flexible display panel is supported through the bendable device, and the stability of the display device is improved.
Drawings
While the drawings used in the description of the embodiments or prior art will be described briefly to more clearly illustrate the embodiments or prior art, it is obvious that the drawings in the description will be some specific embodiments of the present invention, and it will be obvious to those skilled in the art that the basic concepts of the device structure, the driving method and the manufacturing method disclosed and suggested by the various embodiments of the present invention can be extended and extended to other structures and drawings without doubt being within the scope of the claims of the present invention.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram of a display module according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of another display module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a working process of a display module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a working process of another display module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a working process of another display module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a working process of another display module according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural view of a bendable hinge according to an embodiment of the present invention;
FIG. 9 is a schematic view of another bendable hinge according to an embodiment of the present invention;
fig. 10 is a schematic partial structure diagram of another display module according to an embodiment of the present invention;
fig. 11 is a schematic flowchart illustrating a control method of a display module according to an embodiment of the present invention;
fig. 12 is a schematic flowchart illustrating a control method of another display module according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through embodiments with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the basic idea disclosed and suggested by the embodiments of the present invention, are within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention, and as shown in fig. 1, the display module 100 includes a flexible display panel 101 and a bendable device 102 located on a side of the flexible display panel 101 away from a light exit surface; the bendable device 102 comprises a bendable base 103, a bendable hinge 104 and a connecting structure 105; the bending base 103 includes a bending surface 1031; the bendable hinge 104 is disposed on one side of the flexible display panel 101 facing the bending substrate 103 and connected to the flexible display panel 101 through a connecting structure 105; the display module 100 further includes a first suction structure 106 located on a side of the flexible display panel 101 facing the bendable hinge 104, a second suction structure 107 located on a side of the bendable hinge 104 facing the flexible display panel 101, a third suction structure 108 located on a side of the bendable hinge 104 facing away from the flexible display panel 101, and a fourth suction structure 109 located on the curved surface 1031; the display module 100 includes a flat state and a bent state; in the flattening state, the first suction structure 106 and the second suction structure 107 are sucked; in the bent state, the third engaging structure 108 and the fourth engaging structure 109 engage.
The flexible display panel 101 may include display panels such as a flexible organic light emitting display panel, a flexible electrophoretic display panel, or a flexible electrowetting display panel, and may be in a flat state or a bent state to meet different use requirements of a user. The flexible display panel 101 is provided with a bendable device 102 on the side departing from the light emitting surface, the bendable device 102 comprises a bending base 103, a bendable hinge 104 and a connecting structure 105, and the bendable device 102 drives the flexible display panel 101 to be in a flat state and a bent state through the bending base 103, the bendable hinge 104 and the connecting structure 105. The bending substrate 103 includes a bending surface 1031, the bending surface 1031 may be a semicircular shape or an arc shape with other angles, and may be selected according to actual design requirements, and the bending surface 1031 is exemplarily shown as a semicircular shape in the drawing, so as to achieve the bending display effect of the flexible display panel 101. The bendable hinge 104 is disposed on a side of the flexible display panel 101 facing the bending substrate 103 and connected to the flexible display panel 101 through the connection structure 105, and the bendable hinge 104 may be made of hard material or soft material, so that it has good bending and supporting characteristics. The bendable hinge 104 is fixedly connected with the flexible display panel 101 through the connecting structure 105, and the connecting structure 105 and the bendable hinge 104 can be made of the same material, so that the difficulty of the preparation process is reduced. The display module 100 further includes a first suction structure 106 located on one side of the flexible display panel 101 facing the bendable hinge 104, a second suction structure 107 located on one side of the bendable hinge 104 facing the flexible display panel 101, a third suction structure 108 located on one side of the bendable hinge 104 facing away from the flexible display panel 101, and a fourth suction structure 109 located on the curved surface 1031, the first suction structure 106 is only exemplarily drawn in the drawing, the second suction structure 107, the shapes of the third suction structure 108 and the fourth suction structure 109 are only drawn, and the specific shape selection can be selected according to actual design requirements. The first attraction structure 106, the second attraction structure 107, the third attraction structure 108 and the fourth attraction structure 109 may be all electromagnetic attraction structures, such as electromagnets, which change the magnetic force by the current and the number of turns of the coil and change the magnetic direction by the current; alternatively, the second attraction structure 107 and/or the third attraction structure 108 may be a permanent magnet attraction structure, such as a permanent magnet, and the magnetic force and the magnetic direction may be changed by only adjusting the current and the number of turns of the coil of the first attraction structure 106 and the fourth attraction structure 109, so as to realize the magnetic change between the first attraction structure 106 and the second attraction structure 107 and the magnetic change between the third attraction structure 108 and the fourth attraction structure 109. When the first suction structure 106 corresponds to the second suction structure 107, the first suction structure can be sucked in a state where the flexible display panel 101 is stretched out, so as to provide a supporting force for the stretched state of the flexible display panel 101. When the third engaging structure 108 corresponds to the fourth engaging structure 109, the flexible display panel 101 can be engaged in a bent state, so as to provide a supporting force for the bent state of the flexible display panel 101.
The embodiment of the invention is characterized in that the flexible display panel and the bendable device are arranged through the display module, the first suction structure is arranged on the flexible display panel, the second suction structure and the third suction structure are arranged on the bendable hinge of the bendable device, and the fourth suction structure is arranged on the bending base body of the bendable device; furthermore, the flexible display panel is supported through the bendable device, and the stability of the display device is improved.
Fig. 2 is a schematic partial structure diagram of a display module according to an embodiment of the present invention, and as shown in fig. 1 and fig. 2, optionally, the bendable hinge 104 includes a plurality of sub-bending hinges 1041, the connection structure 105 includes a plurality of sub-connection structures 1051, the sub-connection structures 1051 correspond to the sub-bending hinges 1041 one to one, and the sub-bending hinges 1041 are connected to the flexible display panel 101 through the sub-connection structures 1051.
Fig. 1 exemplarily shows six sets of sub-bending hinges 1041 and six sets of sub-connecting structures 1051, the bendable hinge 104 includes a plurality of sets of sub-bending hinges 1041, and the specific number of the sub-bending hinges 1041 is related to the size of the flexible display panel 101 and the size of the sub-bending hinges 1041, and can be selected according to actual design requirements, which is not specifically limited in the embodiment of the present invention. Connection structure includes multiunit sub connection structure 1051, sub connection structure 1051 and the sub hinge 1041 one-to-one of buckling, sub connection structure 1051 is used for connecting sub hinge 1041 and the flexible display panel 101 of buckling, play good fixed effect, sub connection structure 1051 generally is metal material simultaneously, play the effect of supporting flexible display panel 101 under flexible display panel 101 exhibition flat state, it is flat to make flexible display panel 101 exhibition, guarantee the display effect of the flexible display panel 101 under the exhibition flat state, promote user's use and experience.
With continued reference to fig. 1 and 2, optionally, the sub-flex hinge 1041 includes a first hinge section 1042 and a second hinge section 1043, the first hinge section 1042 and the second hinge section 1043 are connected by a first connecting hinge 110, and both the first hinge section 1042 and the second hinge section 1043 are rotatable about the first connecting hinge 110; the sub-connection structure 1051 includes a first connection section 1052 and a second connection section 1053, the first hinge section 1042 is connected with the flexible display panel 101 through the first connection section 1052, and the first hinge section 1042 is connected with the first connection section 1052 through the second connection rotation axis 111, the first hinge section 1042 is rotatable around the second connection rotation axis 111; the second hinge section 1043 is electrically connected to the flexible display panel 101 through the second connection section 1053, and the second hinge section 1043 is connected to the second connection section 1053 through the third connection rotation axis 112, and the second hinge section 1043 is rotatable around the third connection rotation axis 112.
The sub-bending hinge 1041 includes a first hinge section 1042 and a second hinge section 1043 connected by a first connecting rotation shaft 110, so that the first hinge section 1042 and the second hinge section 1043 can rotate around the first connecting rotation shaft 110, thereby ensuring flexible rotation of the first hinge section 1042 and the second hinge section 1043. The sub-connection structure 1051 includes a first connection subsection 1052 and a second connection subsection 1053, the first hinge subsection 1042 is connected to the flexible display panel 101 through the first connection subsection 1052, the second hinge subsection 1043 is electrically connected to the flexible display panel 101 through the second connection subsection 1053, the first hinge subsection 1042 is connected to the first connection subsection 1052 through a second connection rotation shaft 111, the second hinge subsection 1043 is connected to the second connection subsection 1053 through a third connection rotation shaft 112, the first hinge subsection 1042 is rotatable around the second connection rotation shaft 111, the second hinge subsection 1043 is rotatable around the third connection rotation shaft 112, so that rotation shafts exist at both ends of the first hinge subsection 1042 and the second hinge subsection 1043, thereby ensuring that both the first hinge 1042 and the second hinge 1043 can rotate flexibly according to actual rotation requirements when the flexible display panel 101 is changed from a bending state to a flattening state or when the flexible display panel 101 is changed from a flattening state to a bending state.
Fig. 3 is a partial schematic structural diagram of another display module according to an embodiment of the invention, and as shown in fig. 3, optionally, two sets of adjacent sub-connection structures 1051 include a first sub-connection structure 1054 and a second sub-connection structure 1055, and the second connection subsection 1053 of the first sub-connection structure 1054 contacts with the first connection subsection 1052 of the second sub-connection structure 1055.
Illustratively, two sets of sub-connection structures 1051 arranged adjacently include a first sub-connection structure 1054 and a second sub-connection structure 1055, each of the first sub-connection structure 1054 and the second sub-connection structure 1055 includes a first connection subsection 1052 and a second connection subsection 1053, the second connection subsection 1053 of the first sub-connection structure 1054 contacts with the first connection subsection 1052 of the second sub-connection structure 1055, so that the flexible display panel 101 is in a flat state, and the second connection subsection 1053 of the first sub-connection structure 1054 and the first connection subsection 1052 of the second sub-connection structure 1055 contacting each other perform a good supporting function on the flexible display panel 101, thereby ensuring good stability of the display device, and ensuring flatness of the light emitting surface of the flexible display panel 101 and good display effect.
Fig. 4 is a schematic diagram of a working process structure of a display module according to an embodiment of the present invention, fig. 5 is a schematic diagram of a working process structure of another display module according to an embodiment of the present invention, fig. 6 is a schematic diagram of a working process structure of another display module according to an embodiment of the present invention, and fig. 7 is a schematic diagram of a working process structure of another display module according to an embodiment of the present invention, where fig. 4 to 7 exemplarily show a process in which a flexible display panel 101 is changed from a flat state to a bent state. Optionally, the first suction structure 106 includes a plurality of first sub suction structures 1061, the second suction structure 107 includes a plurality of second sub suction structures 1071, the bendable hinge 104 includes a plurality of sub bending hinges 1041, the second sub suction structures 1071 are disposed on one side of the sub bending hinges 1041 facing the flexible display panel 101, and the second sub suction structures 1071 correspond to the first sub suction structures 1061 one by one; the third attracting structure 108 includes a plurality of third sub attracting structures 1081, the fourth attracting structure 109 includes a plurality of fourth sub attracting structures 1091, the third sub attracting structures 1081 are disposed on one side of the sub bending hinge 1041 away from the flexible display panel 101, and the third sub attracting structures 1081 and the fourth sub attracting structures 1091 are in one-to-one correspondence.
Wherein, the flexible display panel 101 sets up first actuation structure 106 towards bendable hinge 104 one side and first actuation structure 106 includes a plurality of first sub actuation structures 1061 simultaneously, the setting of second actuation structure 107 is in bendable hinge 104 towards flexible display panel 101 one side, second actuation structure 107 includes a plurality of second sub actuation structures 1071, second sub actuation structure 1071 and first sub actuation structure 1061 one-to-one, guarantee that first sub actuation structure 1061 and second sub actuation structure 1071 can actuation or separation one-to-one, and then guarantee that the exhibition flat state and the state of buckling of flexible display panel 101 normally go on. The bendable hinge 104 is provided with a third attracting structure 108 on the side deviating from the flexible display panel 101, the third attracting structure 108 includes a plurality of third sub-attracting structures 1081, a fourth attracting structure 109 is provided on the bending surface 1031 of the bending base 103, the fourth attracting structure 109 includes a plurality of fourth sub-attracting structures 1091, the third sub-attracting structures 1081 and the fourth sub-attracting structures 1091 correspond one to one, it is ensured that the third sub-attracting structures 1081 and the fourth sub-attracting structures 1091 can attract or separate one by one, and further it is ensured that the flattening state and the bending state of the flexible display panel 101 are normally performed. When the first sub-actuation structure 1061 and the second sub-actuation structure 1071 are in the actuation state, the corresponding third sub-actuation structure 1081 and the corresponding fourth sub-actuation structure 1091 are both in the separation state, so as to achieve the flat state of the flexible display panel 101. When the first sub-attraction structure 1061 and the second sub-attraction structure 1071 are both in a separated state, the corresponding third sub-attraction structure 1081 and the fourth sub-attraction structure 1091 are both in an attraction state, thereby realizing the bending state of the flexible display panel 101.
As a possible implementation, with continued reference to fig. 1, 4-7, optionally, the first attracting structure 106 includes a first magnetic attracting structure 1062, the second attracting structure 107 includes a second magnetic attracting structure 1072, the third attracting structure 108 includes a third magnetic attracting structure 1082, and the fourth attracting structure 109 includes a fourth magnetic attracting structure 1092; in a flattening state, the first magnetic attraction structure 1062 and the second magnetic attraction structure 1072 attract each other; in the bent state, the third magnetic attracting structure 1082 and the fourth magnetic attracting structure 1092 attract each other.
Through setting up the actuation structure including the magnetism actuation structure, through setting up that the magnetism between the different magnetism actuation structures is the same or opposite, realize the separation and the actuation between the different actuation structures, guarantee that the actuation structure sets up the mode simple.
Based on the above embodiment, with continued reference to fig. 1, 4-7, optionally, in the flattened state, the third magnetic attracting structure 1082 and the fourth magnetic attracting structure 1092 repel; in the bent state, the first magnetic attraction structure 1062 and the second magnetic attraction structure 1072 repel each other.
By arranging in the flat state, in the attracting process of the first magnetic attracting structure 1062 and the second magnetic attracting structure 1072, the third magnetic attracting structure 1082 and the fourth magnetic attracting structure 1092 repel each other to generate magnetic repulsion force, so that the current for controlling the magnetic attraction generated between the first magnetic attracting structure 1062 and the second magnetic attracting structure 1072 can be properly reduced, and the attracting effect between the first magnetic attracting structure 1062 and the second magnetic attracting structure 1072 can be satisfied by the magnetic repulsion force between the third magnetic attracting structure 1082 and the fourth magnetic attracting structure 1092, thereby effectively reducing the power consumption of the display module and saving the power cost. In a bent state, in the process of attracting the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092, the first magnetic attraction structure 1062 and the second magnetic attraction structure 1072 repel each other to generate magnetic repulsion force, so that the current for controlling the magnetic attraction generated between the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092 can be properly reduced, and with the help of the magnetic repulsion force between the first magnetic attraction structure 1062 and the second magnetic attraction structure 1072, the attraction effect between the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092 is met, the power consumption of the display module is effectively reduced, and the power cost is saved.
Specifically, when the first magnetic attraction structure and the second magnetic attraction structure are opposite in magnetism, the first magnetic attraction structure and the second magnetic attraction structure are in an attraction state; the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092 have the same magnetism, and are in a separated state, and the flexible display panel 101 is in a flat state. When the first magnetic attraction structure and the second magnetic attraction structure are the same in magnetism, the first magnetic attraction structure and the second magnetic attraction structure are in a separated state; the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092 are opposite in magnetism and in attraction state, and the flexible display panel 101 is in a bent state.
With continued reference to fig. 1, 4-7, optionally, the first magnetic attraction structure 1062 includes a first electromagnetic attraction structure; the second magnetic attraction structure 1072 includes a second electromagnetic attraction structure or the second magnetic attraction structure 1072 includes a first permanent magnetic attraction structure; the third magnetic attraction structure 1082 comprises a third electromagnetic attraction structure or the third magnetic attraction structure 1082 comprises a second permanent magnetic attraction structure; the fourth magnetic attraction structure 1092 includes a fourth electromagnetic attraction structure.
When the first magnetic attraction structure 1062 is a first electromagnetic attraction structure, the second magnetic attraction structure 1072 is a second electromagnetic attraction structure, the third magnetic attraction structure 1082 is a third electromagnetic attraction structure and the fourth magnetic attraction structure 1092 is a fourth electromagnetic attraction structure, when the flexible display panel 101 changes from a bending state to a flattening state, the third electromagnetic attraction structure and the fourth electromagnetic attraction structure are respectively controlled by current to have the same magnetism, and magnetic repulsion is generated, so that the flexible display panel is in a separating state, the bendable hinge 104 is disconnected from one side of the flexible display panel 101 to be connected with the bending base 103, and meanwhile, the first electromagnetic attraction structure and the second electromagnetic attraction structure are respectively controlled by current to have opposite magnetism, so that the flexible display panel is in an attraction state, the bendable hinge 104 is connected with the flexible display panel 101 near one side of the flexible display panel 101, the bendable hinge 104 is provided with a plurality of bendable hinges 1041, the second magnetic attraction structure 1072 is arranged on the sub hinge 1041 and corresponds to the first magnetic attraction structure arranged on the flexible display panel 101, and the magnetic attraction structure 1062 is arranged between the flexible display panel 1062, so as to meet the use requirements of the user. Similarly, when the flexible display panel 101 changes from the flat state to the curved state, the first electromagnetic attraction structure and the second electromagnetic attraction structure are controlled to have the same magnetism by current, so that the flexible display panel is in the separated state, and the third electromagnetic attraction structure and the fourth electromagnetic attraction structure are controlled to have the opposite magnetism by current, so that the flexible display panel is in the attraction state.
When the first magnetic attraction structure 1062 is a first electromagnetic attraction structure, the second magnetic attraction structure 1072 is a second electromagnetic attraction structure, the third magnetic attraction structure 1082 is a third permanent magnetic attraction structure and the fourth magnetic attraction structure 1092 is a fourth electromagnetic attraction structure, when the flexible display panel 101 is changed from a bending state to a flattening state, the magnetism of the fourth electromagnetic attraction structure is controlled by current respectively, so that the magnetism of the third permanent magnetic attraction structure is the same as that of the third permanent magnetic attraction structure, the third permanent magnetic attraction structure and the fourth electromagnetic attraction structure are in a separated state, or the current supply to the fourth electromagnetic attraction structure is directly stopped, so that the fourth electromagnetic attraction structure has no magnetism, the power loss is reduced, the third permanent magnetic attraction structure and the fourth electromagnetic attraction structure are in a separated state, and the magnetism of the first electromagnetic attraction structure and the magnetism of the second electromagnetic attraction structure are controlled by current respectively, so that the fourth electromagnetic attraction structure is in a non-magnetic state, the first magnetic attraction structure 1062 and the second magnetic attraction structure are in a separated state, and the magnetic attraction state generated by the current respectively meets the requirement of the flattening display panel 101. When the flexible display panel 101 is changed from the flat state to the curved state, the magnetism of the first electromagnetic attraction structure is controlled by current respectively, so that the magnetism of the first electromagnetic attraction structure is the same as that of the second electromagnetic attraction structure, the first electromagnetic attraction structure and the second electromagnetic attraction structure are in a separated state, meanwhile, the magnetism of the fourth electromagnetic attraction structure is controlled by current respectively, so that the magnetism of the fourth electromagnetic attraction structure is opposite to that of the third permanent magnetic attraction structure, the third permanent magnetic attraction structure and the fourth electromagnetic attraction structure are in an attraction state, and the magnetic attraction force generated in the attraction state between the third permanent magnetic attraction structure and the fourth electromagnetic attraction structure meets the requirement of the curved state of the flexible display panel 101. When the first magnetic attraction structure 1062 is a first electromagnetic attraction structure, the second magnetic attraction structure 1072 is a second permanent magnetic attraction structure, the third magnetic attraction structure 1082 is a third electromagnetic attraction structure and the fourth magnetic attraction structure 1092 is a fourth electromagnetic attraction structure, and when the first magnetic attraction structure 1062 is the first electromagnetic attraction structure, the second magnetic attraction structure 1072 is the second permanent magnetic attraction structure, the third magnetic attraction structure 1082 is the third permanent magnetic attraction structure and the fourth magnetic attraction structure 1092 is the fourth electromagnetic attraction structure, the description is the same as the above-mentioned principles of the flat state and the curved state of the flexible display panel 101, and the description is not repeated too much here.
Fig. 8 is a schematic structural diagram of a bendable hinge according to an embodiment of the present invention, and optionally, the second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 are integrally disposed.
The second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 can be integrally arranged, so that the difficulty of the preparation process is effectively simplified. The second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 are both an integrated electromagnetic attraction structure or a permanent magnetic attraction structure with the second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 being integrated. For example, when the second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 are an integrated permanent magnetic attraction structure, when the flexible display panel 101 is changed from a bent state to a flattened state, the magnetism of the first magnetic attraction structure 1062 is controlled by current to be opposite to that of the second magnetic attraction structure 1072, and meanwhile, the magnetism of the fourth magnetic attraction structure 1092 is controlled by current to be opposite to that of the third magnetic attraction structure 1082 or the current supply to the fourth electromagnetic attraction structure is directly stopped, so that the first magnetic attraction structure 1062 and the second magnetic attraction structure 1072 are in an attraction state, and the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092 are in a separated state, thereby achieving the flattened state of the flexible display panel 101. When the flexible display panel 101 is changed from the flat state to the curved state, the magnetism of the fourth magnetic attraction structure 1092 is controlled by the current to be opposite to the magnetism of the third magnetic attraction structure 1082, and meanwhile, the magnetism of the first magnetic attraction structure 1062 is controlled by the current to be opposite to the magnetism of the second magnetic attraction structure or the current supply to the first electromagnetic attraction structure is directly stopped, so that the first magnetic attraction structure 1062 and the second magnetic attraction structure 1072 are in the separated state, and the third magnetic attraction structure 1082 and the fourth magnetic attraction structure 1092 are in the attraction state, thereby realizing the bending state of the flexible display panel 101. When the second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 are an integrated electromagnetic attraction structure, the principle of the flat state and the curved state of the flexible display panel 101 is the same, and the description thereof is omitted here.
Further, fig. 9 is a schematic structural diagram of another bendable hinge according to an embodiment of the present invention, as shown in fig. 9, the second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 may also be separately disposed, and the corresponding flat state and the bent state of the flexible display panel 101 are the same as the working principle of the second magnetic attraction structure 1072 and the third magnetic attraction structure 1082 integrally disposed, which is not described in detail again.
Fig. 10 is a schematic partial structure diagram of another display module provided in an embodiment of the present invention, and referring to fig. 1 and fig. 10, optionally, the bending substrate 103 further includes a first substrate plane 1032 and a second substrate plane 1033, and the bending surface 1031 is disposed between the first substrate plane 1032 and the second substrate plane 1033; in the flattened state, the first substrate plane 1032 is close to the flexible display panel 101 and the second substrate plane 1033 is far from the flexible display panel 101; a fastening structure 113 is arranged in the second base plane 1033; the connecting structure 105 includes a connecting structure first end 1056 and a connecting structure second end 1057, in the flattened state, the connecting structure first end 1056 is proximal to the bending base 103, and the connecting structure second end 1057 is distal to the bending base 103; the display module 100 further includes a locking slot 114, the locking slot 114 is disposed in the second end 1057 of the connecting structure, and the locking structure 113 is disposed in the locking slot 114 in the bent state.
When the flexible display panel 101 is in the flat state, the flexible display panel 101 is close to the first substrate plane 1032 of the bending substrate 103, the second substrate plane 1033 of the bending substrate 103 is far away from the flexible display panel 101, and the bendable hinge 104 supports the flat state of the flexible display panel 101. To ensure a normal flattened state of the flexible display panel 101, the magnetic attraction between the first and second attraction structures 106, 107 is gradually increased along the first end 1056 of the connection structure towards the second end 1057 of the connection structure. When the flexible display panel 101 is in the bending state, the bendable hinge 104 is connected to the flexible display panel 101 through the connection structure 105, and the second end 1057 of the connection structure 105 is close to the second substrate plane 1033 of the bending substrate 103, so as to drive the flexible display panel 101 to bend, so that the flexible display panel 101 is in the bending state. To ensure the normal bending state of the flexible display panel 101, the magnetic attraction between the third attraction structure 108 and the fourth attraction structure 109 is gradually increased along the direction from the first end 1056 of the connection structure to the second end 1057 of the connection structure. Meanwhile, the buckling structure 113 is arranged in the second substrate plane 1033 of the bending substrate 103, the display module 100 further comprises a clamping groove 114, the clamping groove 114 is arranged in the second end 1057 of the connecting structure, the flexible display panel 101 is in a bending state, and the buckling structure 113 is arranged in the clamping groove 114, so that the flexible display panel 101 is fixed, and the flexible display panel 101 is prevented from being disconnected from the bending substrate 103. The fastening structure 113 located on the second substrate plane 1033 of the bending substrate 103 has scalability, when the flexible display panel 101 is in the bending state, the fastening structure 113 will automatically extend out to contact with the locking slot 114, and when the flexible display panel 101 is in the flattening state, the fastening structure 113 will automatically retract into the bending substrate 103, thereby effectively increasing the operation portability.
Optionally, the display module 100 further includes a first driving chip (not shown), and the first driving chip is electrically connected to at least the first suction structure 106 and the fourth suction structure 109.
In an exemplary embodiment, when the first and fourth attracting structures 106 and 109 are electromagnetic attracting structures, and the second and third attracting structures 107 and 108 are both permanent magnetic attracting structures, the first driving chip outputs a current control signal, and the current control signals output to the first and fourth attracting structures 106 and 109 may be the same or different, and if the winding directions of the electromagnetic coils in the first and fourth attracting structures 106 and 109 are opposite, and the same current control signal output by the first driving chip is received, the magnetism of the first and fourth attracting structures 106 and 109 is different, and then the attracting state between the first and second attracting structures 106 and 107 is different from the attracting state between the third and fourth attracting structures 108 and 109, so as to achieve the flat state or the bent state of the flexible display panel 101.
Illustratively, when the first and fourth attracting structures 106 and 109 are electromagnetic attracting structures, and the second and third attracting structures 107 and 108 are both electromagnetic attracting structures, the first driving chip may be electrically connected to the first, second, third and fourth attracting structures 106, 107, 108, and 109, respectively, and correspondingly output different current control signals according to the different flattening states or bending states of the flexible display panel 101, so that when the flexible display panel 101 is changed from the flattening state to the bending state, the magnetism of the first and second attracting structures 106 and 107 is the same, and the magnetism of the third and fourth attracting structures 108 and 109 is opposite; when the flexible display panel 101 changes from the flat state to the bent state, the first attracting structure 106 and the second attracting structure 107 have opposite magnetism, and the third attracting structure 108 and the fourth attracting structure 109 have the same magnetism.
Optionally, the display module 100 further includes a second driving chip (not shown in the figure), and the second driving chip is configured to provide a display driving signal for the flexible display panel 101; the first driving chip and the second driving chip are integrally arranged.
Wherein, the display module assembly 100 includes the second driver chip, the second driver chip is used for exporting and shows drive signal for flexible display panel 101 normally shows, first driver chip and second driver chip can integrated the setting, reduce the cost of manufacture, same driver chip can export and show control signal and can also export current control signal, realize the flat state of flattening of flexible display panel 101 and the conversion between the state of buckling when guaranteeing the display effect, need not artificial manual operation, improve user's use and experience.
Based on the same inventive concept, the embodiment of the present invention further provides a control method of a display module, or it is understood that the control method of the display module can control the display module provided in the foregoing embodiment, so that the control method of the display module also has the beneficial effects of the display module, and the same points can be understood by referring to the explanation of the display module above, and will not be described in detail below.
Fig. 11 is a schematic flowchart of a control method of a display module according to an embodiment of the present invention, as shown in fig. 11, for controlling the display module according to any one of the foregoing embodiments, the control method includes:
s101, at least sending a first control signal to the first suction structure, controlling the first suction structure and the second suction structure to suck, and flattening the flexible display panel.
The display module comprises a display module, a drive chip, a first attraction structure and a second attraction structure, wherein the drive chip in the display module outputs a first control signal, the first attraction structure is controlled to change in magnetism by outputting the first control signal, the magnetism between the first attraction structure and the second attraction structure is opposite, magnetic attraction is generated, and the first attraction structure and the second attraction structure are attracted to meet the flattening requirement of the flexible display panel. If the first suction structure and the second suction structure are both electromagnetic suction structures, the driving chip can respectively output first control signals to the first suction structure and the second suction structure; if when the first attraction structure is the electromagnetic attraction structure and the second attraction structure is the permanent magnet attraction structure, the driving chip outputs a first control signal to the first attraction structure, so that the first attraction structure and the second attraction structure are opposite in magnetism, magnetic attraction force is generated between the first attraction structure and the second attraction structure, and the flattening state of the flexible display panel is realized. The first control signal can be a current control signal, the magnetic control of the first attraction structure or the second attraction structure is realized by adjusting the current, manual operation is not needed, and convenience is improved.
S102, at least sending a second control signal to the fourth suction structure, controlling the fourth suction structure and the third suction structure to suck, and bending the flexible display panel.
The display module is provided with a first attracting structure, a second attracting structure and a driving chip, wherein the first attracting structure is connected with the second attracting structure, the driving chip in the display module outputs a first control signal, the driving chip outputs a second control signal, the driving chip in the display module outputs the second control signal, the driving chip controls the magnetic change of the second attracting structure through outputting the second control signal, so that the magnetism between the first attracting structure and the second attracting structure is opposite, magnetic attraction is generated, the first attracting structure and the second attracting structure attract each other, and the bending requirement of the flexible display panel is met. If the third attraction structure and the fourth attraction structure are both electromagnetic attraction structures, the driving chip can output second control signals to the third attraction structure and the fourth attraction structure respectively; if the fourth attraction structure is an electromagnetic attraction structure and the third attraction structure is a permanent magnet attraction structure, the driving chip outputs a second control signal to the fourth attraction structure, so that the third attraction structure and the fourth attraction structure are opposite in magnetism, and magnetic attraction force is generated between the third attraction structure and the fourth attraction structure, thereby realizing the bending state of the flexible display panel. The second control signal can be a current control signal, the magnetic control of the third attraction structure or the fourth attraction structure is realized by adjusting the current, manual operation is not needed, and the operation convenience is improved.
According to the embodiment of the invention, the attraction or separation between the first attraction structure and the second attraction structure and the attraction or separation between the third attraction structure and the fourth attraction structure of the flexible display panel are controlled by the driving chip, so that the flexible display panel does not need manual operation, the bending state is automatically changed into the flattening state and the flattening state is automatically changed into the bending state, and the control convenience of the flexible display panel is effectively improved.
Optionally, the first suction structure includes a plurality of first sub-suction structures, the second suction structure includes a plurality of second sub-suction structures, and the first sub-suction structures and the second sub-suction structures correspond to each other one by one; the third actuation structure comprises a plurality of third sub actuation structures, the fourth actuation structure comprises a plurality of fourth sub actuation structures 1091, and the third sub actuation structures correspond to the fourth sub actuation structures 1091 one by one; the curved surface includes a surface first end and a surface second end, and in the flattened state, the surface first end is proximate to the flexible display panel and the surface second end is distal from the flexible display panel. Fig. 12 is a schematic flowchart of another control method for a display module according to an embodiment of the present invention, and as shown in fig. 12, the control method includes:
s201, sending first control signals to the plurality of first sub-suction structures in sequence along the direction that the second end of the surface points to the first end of the surface, controlling the first sub-suction structures to be sucked with the corresponding second sub-suction structures in sequence, and flattening the flexible display panel.
When the flexible display panel is changed from a bending state to a flattening state, the driving chip sequentially sends first control signals to the plurality of first sub-attraction structures along the direction in which the second end of the surface points to the first end of the surface, controls the magnetic property between the corresponding first sub-attraction structures and the second attraction structures to be opposite, generates magnetic attraction force, and then the first sub-attraction structures sequentially attract the corresponding second attraction structures to flatten the flexible display panel. If when the first sub-attraction structure and the second sub-attraction structure are both electromagnetic attraction structures, the first sub-attraction structure and the second sub-attraction structure are in one-to-one correspondence, the driving chip can output a first control signal to each pair of the first sub-attraction structure and the second sub-attraction structure in sequence along the direction in which the second end of the surface points to the first end of the surface, and the first control signals can be the same or different, so that attraction is realized by the first sub-attraction structure and the second sub-attraction structure. Meanwhile, the driving chip can control the direction pointing to the first end of the surface along the second end of the surface without outputting a control signal or outputting a control signal, so that each pair of the third sub-attraction structure and the fourth sub-attraction structure is in a separated state, the flexible display panel is ensured to be gradually and orderly in a flattening state, the phenomenon of attraction dislocation is avoided, and then the flattening state and the good display effect of the flexible display panel are realized.
S202, second control signals are sequentially sent to the plurality of fourth sub-suction structures along the direction from the first end of the surface to the second end of the surface, the fourth sub-suction structures are controlled to be sequentially sucked with the corresponding third sub-suction structures, and the flexible display panel is bent.
When the flexible display panel is changed from the flat state to the bent state, the driving chip sequentially sends second control signals to the plurality of fourth sub-attraction structures along the direction that the first end of the surface points to the second end of the surface, so that the magnetism between the corresponding third sub-attraction structures and the fourth attraction structures is controlled to be opposite, magnetic attraction is generated, the third sub-attraction structures are controlled to control the fourth sub-attraction structures to sequentially attract with the corresponding third sub-attraction structures, and the flexible display panel is bent. If when the third sub-attraction structure and the fourth sub-attraction structure are both electromagnetic attraction structures, the third sub-attraction structure and the fourth sub-attraction structure are in one-to-one correspondence, the driving chip can output a second control signal to each pair of the third sub-attraction structure and the fourth sub-attraction structure in sequence along the direction in which the first end of the surface points to the second end of the surface, and the current control signals can be the same or different, so that the attraction is realized by the third sub-attraction structure and the fourth sub-attraction structure. Meanwhile, the driving chip can control the direction pointing to the second end of the surface along the first end of the surface without outputting a control signal or outputting the control signal, so that each pair of the first sub-attraction structure and the second sub-attraction structure is in a separated state, the gradual and orderly bending state of the flexible display panel is ensured, the phenomenon of attraction dislocation is avoided, and the bending state and the good display effect of the flexible display panel are further realized.
Fig. 13 is a schematic structural diagram of a display device according to an embodiment of the present invention, where the display device includes the display module according to any one of the embodiments.
It should be noted that, since the display device provided in this embodiment has the same or corresponding beneficial effects of the display module in the foregoing embodiments, details are not described herein. The display device 200 provided in the embodiment of the present invention may be a mobile phone shown in fig. 13, and may also be any electronic product with a display function, including but not limited to the following categories: the touch screen display system comprises a television, a notebook computer, a desktop display, a tablet computer, a digital camera, an intelligent bracelet, intelligent glasses, a vehicle-mounted display, medical equipment, industrial control equipment, a touch interaction terminal and the like, and the embodiment of the invention is not particularly limited in this respect.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (15)
1. A display module is characterized by comprising a flexible display panel and a bendable device positioned on one side of the flexible display panel, which is far away from a light emitting surface;
the bendable device comprises a bendable base body, a bendable hinge and a connecting structure; the bending base comprises a curved surface; the bendable hinge is arranged on one side of the flexible display panel, which faces the bending base body, and is connected with the flexible display panel through the connecting structure;
the display module further comprises a first suction structure positioned on one side of the flexible display panel, which faces the bendable hinge, a second suction structure positioned on one side of the bendable hinge, which faces the flexible display panel, a third suction structure positioned on one side of the bendable hinge, which faces away from the flexible display panel, and a fourth suction structure positioned on the curved surface;
the display module comprises a flattening state and a bending state; in the flattening state, the first suction structure and the second suction structure are sucked; and in the bent state, the third suction structure and the fourth suction structure are sucked.
2. The display module according to claim 1, wherein the bendable hinges comprise a plurality of sub-bending hinges, the connection structure comprises a plurality of sub-connection structures, the sub-connection structures correspond to the sub-bending hinges one by one, and the sub-bending hinges are connected to the flexible display panel through the sub-connection structures.
3. The display module of claim 2, wherein the sub-kink hinge comprises a first hinge segment and a second hinge segment, the first hinge segment and the second hinge segment being connected by a first connection pivot axis, and the first hinge segment and the second hinge segment both being rotatable about the first connection pivot axis;
the sub-connection structure comprises a first connection subsection and a second connection subsection, the first hinge subsection is connected with the flexible display panel through the first connection subsection, the first hinge subsection is connected with the first connection subsection through a second connection rotating shaft, and the first hinge subsection is rotatable around the second connection rotating shaft; the second hinge section is electrically connected to the flexible display panel through the second connection section, and the second hinge section is connected to the second connection section through a third connection pivot, the second hinge section being rotatable around the third connection pivot.
4. The display module according to claim 3, wherein the two adjacent sets of sub-connecting structures comprise a first sub-connecting structure and a second sub-connecting structure, and the second connecting portion of the first sub-connecting structure is in contact with the first connecting portion of the second sub-connecting structure.
5. The display module assembly of claim 1, wherein the first engaging structure comprises a plurality of first sub-engaging structures, the second engaging structure comprises a plurality of second sub-engaging structures, the bendable hinge comprises a plurality of sub-bending hinges, the second sub-engaging structures are disposed on one side of the sub-bending hinges facing the flexible display panel, and the second sub-engaging structures correspond to the first sub-engaging structures one by one;
the third actuation structure includes a plurality of third sub actuation structures, the fourth actuation structure includes a plurality of fourth sub actuation structures, the third sub actuation structure set up in the son is buckled the hinge and is kept away from one side of flexible display panel just the third sub actuation structure with the fourth sub actuation structure one-to-one.
6. The display module of claim 5, wherein the first engaging structure comprises a first magnetic engaging structure, the second engaging structure comprises a second magnetic engaging structure, the third engaging structure comprises a third magnetic engaging structure, and the fourth engaging structure comprises a fourth magnetic engaging structure;
in the flattening state, the first magnetic attraction structure and the second magnetic attraction structure attract each other; and in the bending state, the third magnetic attraction structure and the fourth magnetic attraction structure attract each other.
7. The display module of claim 6, wherein in the flattened state, the third and fourth magnetically attractive structures repel; and under the bending state, the first magnetic attraction structure and the second magnetic attraction structure repel each other.
8. The display module assembly of claim 6, wherein the first magnetic attraction structure comprises a first electromagnetic attraction structure;
the second magnetic attraction structure comprises a second electromagnetic attraction structure or the second magnetic attraction structure comprises a first permanent magnetic attraction structure;
the third magnetic attraction structure comprises a third electromagnetic attraction structure or the third magnetic attraction structure comprises a second permanent magnetic attraction structure;
the fourth magnetic attraction structure comprises a fourth electromagnetic attraction structure.
9. The display module assembly of claim 8, wherein the second magnetic engaging structure and the third magnetic engaging structure are integrally formed.
10. The display module of claim 1, wherein the bending base further comprises a first base plane and a second base plane, the curved surface being disposed between the first base plane and the second base plane; in the flattened state, the first substrate plane is close to the flexible display panel, and the second substrate plane is far away from the flexible display panel; a buckle structure is arranged in the plane of the second base body;
the connecting structure comprises a first connecting structure end part and a second connecting structure end part, and in the flattening state, the first connecting structure end part is close to the bending base body, and the second connecting structure end part is far away from the bending base body;
the display module further comprises a clamping groove, the clamping groove is formed in the second end portion of the connecting structure, and the buckling structure is arranged in the clamping groove in the bending state.
11. The display module of claim 1, further comprising a first driving chip electrically connected to at least the first and fourth suction structures.
12. The display module of claim 11, further comprising a second driver chip, wherein the second driver chip is configured to provide a display driving signal for the flexible display panel;
the first driving chip and the second driving chip are arranged in an integrated mode.
13. A control method of a display module, for controlling the display module according to any one of claims 1 to 12, comprising:
sending a first control signal to at least the first suction structure, controlling the first suction structure and the second suction structure to suck, and flattening the flexible display panel;
and at least sending a second control signal to the fourth suction structure to control the fourth suction structure to suck and combine with the third suction structure, and bending the flexible display panel.
14. The control method according to claim 13, wherein the first engaging structure comprises a plurality of first sub-engaging structures, the second engaging structure comprises a plurality of second sub-engaging structures, and the first sub-engaging structures and the second sub-engaging structures correspond one-to-one;
the third suction structure comprises a plurality of third sub suction structures, the fourth suction structure comprises a plurality of fourth sub suction structures, and the third sub suction structures correspond to the fourth sub suction structures one by one;
the curved surface comprises a surface first end and a surface second end, in the flattened state, the surface first end is close to the flexible display panel, and the surface second end is far away from the flexible display panel;
at least to first actuation structure sends first control signal, control first actuation combine with second actuation structure actuation, right flexible display panel carries out the exhibition flat operation, includes:
sequentially sending first control signals to the plurality of first sub-attraction structures along the direction that the second end of the surface points to the first end of the surface, controlling the first sub-attraction structures to sequentially attract with the corresponding second sub-attraction structures, and flattening the flexible display panel;
at least to fourth actuation structure sends the second control signal, controls fourth actuation combine with third actuation structure actuation, it is right flexible display panel carries out the operation of buckling, include:
follow the first end in surface is directional the direction of surperficial second end is in proper order to a plurality of the sub-actuation structure of fourth sends the second control signal, controls the sub-actuation structure of fourth combines in proper order rather than corresponding the sub-actuation structure actuation of third is right flexible display panel carries out the operation of buckling.
15. A display device comprising the display module according to any one of claims 1 to 12.
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