CN203838989U - Flexible display device - Google Patents

Abstract

The embodiment of the utility model provides a flexible display device, which relates to the field of display technology. By controlling the energization or power-off of the solenoid array arranged on the non-display surface side of the flexible display screen, the vertical or vertical control of the flexible display device can be realized. Expanded operations. The flexible display device includes: a flexible display screen, solenoids arranged in an array on the non-display surface side of the flexible display screen, each row of solenoids is respectively connected to a control circuit, a control IC connected to the control circuit, and The mechanical device connected by the first row of solenoids; wherein, when the flexible display device is triggered, the mechanical device deflects at a preset angle, and the control IC controls the spirals arranged in the array through the control circuit The tube is energized so that the flexible display screen deflects according to the preset angle.

Description

A flexible display device

technical field

The utility model relates to the field of display technology, in particular to a flexible display device.

Background technique

With the continuous development of display technology, users' demand for display devices continues to increase. Flexible display devices overcome the limitations of traditional display device installation, and have the advantages of light weight, thin thickness, bendability, wide viewing angle range, and good advertising effects. , therefore, it has been widely used in people's life, such as curved screens and the like.

A flexible display device is a deformable and bendable display device, which is made of soft materials and generally includes an LED (Light-Emitting Diode, light-emitting diode) display unit and a signal processing unit connected to it through a circuit board. , Power supply unit. However, due to the characteristics of softness and bendability of the flexible display device, there is a technical problem of how to vertically or unfold the flexible display device in practical applications.

Utility model content

The embodiment of the present invention provides a flexible display device, which can realize the vertical or unfolding operation of the flexible display device by controlling the power on or off of the solenoid array arranged on the non-display surface side of the flexible display screen.

In order to achieve the above object, the embodiments of the present utility model adopt the following technical solutions:

An embodiment of the present invention provides a flexible display device, including: a flexible display screen, solenoids arranged in an array on the non-display surface side of the flexible display screen, each row of solenoids is respectively connected to a control circuit, and connected to the The control IC connected to the above control circuit, the mechanical device connected to the first row of solenoids;

Wherein, when the flexible display device is triggered, the mechanical device deflects at a preset angle, and the control IC energizes the solenoids arranged in the array through the control circuit, so that the flexible display screen follows the The preset angle deflects.

The flexible display device further includes: an elastic fixing channel sleeved on at least one row of solenoids.

The flexible display device further includes: an anti-magnetic interference film arranged between the flexible display screen and the solenoids arranged in an array.

The flexible display device further includes: a control switch connected to the mechanical device, and the control switch is connected to the control IC.

The flexible display device further includes: a power supply device connected to the control IC.

The solenoid is a solenoid with an iron core.

Embodiments of the present invention provide a flexible display device, a flexible display screen, and solenoids arranged in an array on the non-display surface side of the flexible display screen. A control IC connected with a line is a mechanical device connected to the first row of solenoids; wherein, when the flexible display device is triggered, the mechanical device deflects at a preset angle, and the control IC is controlled by the control line. The solenoids arranged in the array are energized to make the flexible display screen deflect according to the preset angle. Based on the flexible display device provided by the utility model, the vertical or unfolding operation of the flexible display device can be realized by controlling the power-on or power-off of the solenoid array arranged on the non-display surface side of the flexible display screen.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of the non-display surface side of the flexible display device provided by the embodiment of the present invention;

Fig. 2 is a schematic diagram of the sectional structure along the AB direction of Fig. 1;

Fig. 3 is the working diagram of the solenoid provided by the embodiment of the utility model;

Fig. 4 is a schematic structural diagram of a flexible display device provided by an embodiment of the present invention;

Fig. 5 is a schematic flow chart of the control method provided by the embodiment of the present invention;

Fig. 6 is a schematic diagram of a cross-sectional structure along the CD direction of Fig. 1;

Fig. 7 is a schematic diagram of the vertical structure of a row of solenoids in Fig. 6;

Fig. 8 is a schematic diagram of the vertical structure of the flexible display device provided by the embodiment of the present invention.

The components in the figure are: 1. Flexible display device; 10. Flexible display screen; 11. Solenoid; 12. Elastic fixed channel; 13. Control circuit; 14. Control IC; 15. Mechanical device; 16. Antimagnetic interference film ; 17, control switch; 18, power supply device.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The embodiment of the present invention provides a flexible display device, including: a flexible display screen, solenoids arranged in an array on the non-display surface side of the flexible display screen, each row of solenoids is respectively connected to a control circuit, and connected to the The control IC connected to the control line, the mechanism connected to the first row of solenoids.

Wherein, when the flexible display device is triggered, the mechanical device deflects at a preset angle, and the control IC energizes the solenoids arranged in the array through the control circuit, so that the flexible display screen follows the The deflection at the preset angle is convenient for users.

Further, the flexible display device further includes: an elastic fixing passage sleeved on at least one row of solenoids.

It should be noted that the flexible display device provided by the embodiment of the present invention can be to vertically lay the display screen, or to unfold the curled display screen, so the preset angle can be 90 degrees or is another angle, which is not limited in this embodiment. The following takes the flexible display changing from tiled to vertical as an example for illustration.

The embodiment of the present invention provides a flexible display device 1, as shown in Figure 1, comprising: a flexible display 10, a solenoid 11 arranged in an array on the non-display side of the flexible display 10, set in at least one row The elastic fixing passage 12 outside the solenoid 11, each row of solenoids 11 is respectively connected with the control circuit 13, the control IC 14 connected with the control circuit 13; and the mechanical device arranged on the non-display surface side of the flexible display 10 device 15 , said mechanical device 15 is connected to said first row of solenoids 11 .

Specifically, as shown in FIG. 1 and FIG. 2 , the solenoid 100 arranged in an array includes M rows and N columns, where M and N are both integers not less than 1. Each row of solenoids in the M rows of solenoids is respectively covered with elastic fixed passages 12, that is, M elastic fixed passages 12, and each row of solenoids is covered with elastic fixed passages 12 as a whole, and the elastic fixed passages 12 Fixing a row of spirals as a whole so that under electromagnetic action each row of solenoids can guide the flattened solenoids connected to it vertically when it is vertical, or can guide the vertical spirals connected to it when bent. Conduit bent.

Among them, the solenoid refers to a multi-winding wire. The inside of the winding can be hollow or have a metal core. When a current passes through the wire, a uniform magnetic field will be generated inside the solenoid. As shown in FIG. 1 and FIG. 2 , the flexible display device in this embodiment includes N rows of solenoids, and each row of solenoids is respectively connected to the control circuit 13 , that is, N control circuits control the N rows of solenoids respectively. The N control lines are all connected to the control IC 14 , and the control IC 14 controls the current of the N control lines to control the verticality, bending, or tiling of the solenoid through electromagnetic action.

Exemplarily, as shown in FIG. 3, there are three solenoids, which are marked in a counterclockwise direction: A, B, and C, wherein the two solenoids of A and C are in the energized state, and the solenoid of B is not energized. Assuming that solenoid A is placed vertically, the magnetic field direction of solenoid A is energized according to the current flow direction, and solenoid A is energized as a vertical magnet with "N" pole downward and "S" pole upward. When the horizontally placed solenoid B is energized, the current flows in from the wire on the right side of the solenoid B and flows out from the wire on the left side. The direction of the magnetic field of the solenoid B can be judged according to the direction of the current flow, and the solenoid B energized can be regarded as a With the "N" pole to the left and the "S" pole to the right horizontal magnet, the "N" pole of the B energized solenoid will attract the "S" pole of the A solenoid. If the A energized solenoid is fixed, Then the B energized solenoid will automatically stand up under the action of the magnetic force, as shown in the "direction of the arrow" in Figure 3, the B energized solenoid will be vertical, that is, it will be in the position where the C energized solenoid is located. state. If the arrangement of solenoids includes M rows, each row of solenoids is placed in an elastic fixed path, and after being energized sequentially, the energized solenoids will change from a horizontal state to a vertical state and be connected together.

Further, as shown in FIG. 2 , the flexible display device 1 further includes: an anti-magnetic interference film 16 disposed between the flexible display screen 10 and the solenoids 11 arranged in an array.

Specifically, in order to prevent the influence of the magnetic field on the flexible display screen during the operation of the flexible display device, an antimagnetic interference film 16 needs to be provided between the flexible display screen 10 and the solenoids 11 arranged in the array.

Further, the flexible display device further includes: a control switch connected to the mechanical device, and the control switch is connected to the control IC.

Further, the flexible display device further includes: a power supply device connected to the control IC.

Specifically, as shown in FIG. 4 , the flexible display device 1 further includes: a control switch 17 connected to the mechanical device 15, the control switch 17 is connected to the control IC 14, and the control switch is used to control the flexible display device. vertical or tiled. And the power supply device 18 connected to the control IC 14 , the power supply device may be a power source shared with the flexible display screen, or a power source different from the flexible display screen, which is not limited in this embodiment.

It should be noted that the structural connection relationship between the control switch 17 and the power supply device 18 in FIG. 4 is only a schematic diagram. In practice, the control switch and power supply device can be designed according to different requirements, which is not limited in this embodiment.

It should be added that the solenoid may be a solenoid with an iron core, or other solenoids that meet actual design requirements, which is not limited in this embodiment.

In order to understand more clearly the operation of the flexible display device provided by the embodiment of the present invention, corresponding to the above-mentioned flexible display device, the specific implementation method will be described in detail below by taking the flexible display device from tiled to vertical as an example. , as shown in Figure 5, the method may include:

S101. The flexible display device acquires a control instruction.

Specifically, when the user wants to erect the tiled flexible display screen, he first turns on the control switch, the flexible display device is powered on, obtains control instructions, and performs corresponding operations according to the trigger instructions.

S102. According to the control instruction, the mechanical device changes from being laid flat to being vertical.

Specifically, when the flexible display device is powered on, the mechanical device changes from being flat to vertical according to the control command, and a row of solenoids connected to the mechanical device also changes from being flat to vertical under the action of the mechanical device.

S103, the control IC controls the solenoids to change from tiled to vertical in sequence.

Specifically, a row of solenoids connected to the mechanical device is the first row of solenoids. When the mechanical device changes from being flat to vertical, the control ICs are sequentially connected from the first row of solenoids to the Nth row of solenoids. When energized, each solenoid will generate a magnetic field after being energized, and the current direction of each row of solenoids is the same. Therefore, the direction of the magnetic field generated by each row of solenoids is the same. Two adjacent rows of solenoids are due to Magnetic forces attract each other.

As shown in Figures 6 and 7, when the first row of solenoids changes from flat to vertical under the force of the mechanical device, after the first row of solenoids is energized, the first row of solenoids generates a magnetic field, which is consistent with One side of the connection of the mechanical device is the "S" pole, and the other side is the "N" pole. After the second row of solenoids is energized, the second row of solenoids generates a magnetic field, and the second row of solenoids adjacent to the first row of solenoids One side is the "S" pole of the second row of solenoids, the side adjacent to the third row of solenoids is the "N" pole, the "S" pole of the first row of energized solenoids is energized to the second row The "N" poles of the solenoids attract each other, so that the second row of energized solenoids changes from tiled to the same vertical direction as the first row of energized solenoids, as shown in Figure 8, and so on, the third row, ... until the last row of solenoids is vertical, then the entire flexible display device changes from tiling to vertical. As shown in Figure 3, it is a schematic diagram of two adjacent solenoids changing from tiled to vertical. If the arrangement of solenoids includes M rows, each row of solenoids is placed in an elastic fixed passage, sequentially When energized, the energized solenoids both change from horizontal to vertical and connect together.

S104. The flexible display device vacuumizes the elastic fixing passage, and receives a solenoid power-off command, so that the flexible display screen is in a vertical state.

Specifically, as shown in Figure 6 and Figure 8, when the flexible display screen changes from being tiled to vertical, the mechanical device will vacuum the fixed passage and disconnect the voltage of the solenoid, so that the flexible display screen is always in a vertical position. state.

As mentioned above, this embodiment presents the working process of the flexible display changing from tiled to vertical. When the flexible display changes from vertical to tiled, first all the solenoids are energized, and then the When each column is powered off, the flexible display screens will be in a tiled state in the order of power-off. For the detailed working process, please refer to the above-mentioned when the flexible display screens change from tiled to vertical, and this embodiment will not repeat them here.

Embodiments of the present invention provide a flexible display device, a flexible display screen, and solenoids arranged in an array on the non-display surface side of the flexible display screen. A control IC connected with a line is a mechanical device connected to the first row of solenoids; wherein, when the flexible display device is triggered, the mechanical device deflects at a preset angle, and the control IC is controlled by the control line. The solenoids arranged in the array are energized to make the flexible display screen deflect according to the preset angle. Based on the flexible display device provided by the utility model, the vertical or unfolding operation of the flexible display device can be realized by controlling the power-on or power-off of the solenoid array arranged on the non-display surface side of the flexible display screen.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (6)

1. A flexible display device, characterized in that it comprises: a flexible display screen, solenoids arranged in an array on the non-display surface side of the flexible display screen, each row of solenoids is respectively connected to a control circuit, and connected to the The control IC connected to the control line, the mechanical device connected to the first row of solenoids; Wherein, when the flexible display device is triggered, the mechanical device deflects at a preset angle, and the control IC energizes the solenoids arranged in the array through the control circuit, so that the flexible display screen follows the The preset angle deflects. 2 . The flexible display device according to claim 1 , further comprising: an elastic fixing channel sleeved on at least one row of solenoids. 3 . 3. The flexible display device according to claim 1 or 2, characterized in that the flexible display device further comprises: an anti-magnetic interference film disposed between the flexible display screen and the solenoids arranged in an array. 4. The flexible display device according to claim 3, further comprising: a control switch connected to the mechanical device, the control switch connected to the control IC. 5 . The flexible display device according to claim 3 , further comprising: a power supply device connected to the control IC. 6. The flexible display device according to claim 1, wherein the solenoid is a solenoid with an iron core.