WO2020082332A1

WO2020082332A1 - Display apparatus and control method therefor

Info

Publication number: WO2020082332A1
Application number: PCT/CN2018/112099
Authority: WO
Inventors: 赵聪
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2020-04-30
Also published as: CN112703549A

Abstract

Provided is a control method for a display apparatus (10). The display apparatus (10) comprises a flexible display screen (10). The control method comprises: acquiring a target parameter; determining a target curving type and a target curving radius of the flexible display screen (10) according to the target parameter; and controlling, according to the target curving type and the target curving radius of the flexible display screen (10), the flexible display screen (10) such that same deforms according to the target curving type to form a curved face with the target curving radius. Further provided is the display apparatus (10). According to the control method for a display apparatus provided in the present invention, a target curving type and a target curving radius of a flexible display screen can be adjusted according to a target parameter, and the bending degree of the flexible display screen can be changed in real time so as to achieve a better human-machine interaction effect.

Description

Display device and its control method

Technical field

The invention belongs to the field of display technology, and particularly relates to a display device and a control method thereof.

Background technique

With the development of science and technology, various display devices are widely used in people's lives and work, such as televisions, computers, mobile phones, PADs, airplanes, vehicles, navigation, railway transportation, robots, etc. The development of display technology and robot technology has a very good market prospect for the combination of display screen and robot technology. The display screens of the display devices currently used in the field of robots are all flat screens, which cannot provide more flexible display methods. The scope of use is limited.

Summary of the invention

In view of this, the present invention provides a display device with a wider use range. The specific technical solution is as follows.

A control method of a display device. The display device includes a flexible display screen. The control method of the display device includes:

Get the target parameters;

Determine the target curl type and the target curl radius of the flexible display screen according to the target parameter;

The flexible display screen is controlled to deform with the target curl type according to the target curl type and the target curl radius of the flexible display screen to form a curved surface having the target curl radius.

Preferably, the target parameter includes the own parameter of the display device.

Preferably, the target parameter includes sound information of the display device.

Preferably, the target parameter includes an external parameter outside the display device.

Preferably, the target parameter includes the number of target objects located near the display device.

Preferably, the target parameter further includes the shortest distance between the target object located near the display device and the display device.

Preferably, the sound information is a sound frequency, and the “determining the target curl type and target curl radius of the flexible display screen according to the target parameter” includes:

Determine the target curl type according to the frequency of sound emitted by the display device; and

The target curl radius is determined according to the frequency of sound emitted by the display device.

Preferably, the "determining the target curl type according to the frequency of sound emitted by the display device" includes:

Comparing the frequency of the sound emitted by the display device with a preset frequency;

When the sound frequency is greater than or equal to the preset frequency, it is determined that the target curl type is the first curl type;

When the sound frequency is less than the preset frequency, it is determined that the target curl type is the second curl type.

Preferably, the "determining the target curl radius according to the frequency of sound emitted by the display device" includes:

The target curl radius is calculated according to the formula R = k ₁ * | hh ₁ |, where R is the target curl radius, h is the sound frequency, h ₁ is the preset sound frequency, and k ₁ is the first preset adjustment parameter.

Preferably, the target parameter is the number of target objects in the vicinity of the display device and the closest distance between the target object in the vicinity of the display device and the display device; the "determining the flexibility according to the target parameter The target curl type of the display and the target curl radius include:

Determine the target curl type according to the number of the target objects; and

The target curl radius is determined according to the shortest distance between the target object and the display device.

Preferably, the "determining the target curl type according to the number of the target objects" includes:

Compare the number of the target objects with a preset number;

When the number of the target objects is greater than the preset number, it is determined that the target curl type is the first curl type;

When the number of the target objects is less than or equal to the preset number, it is determined that the target curl type is the second curl type.

Preferably, the "determining the target curl radius according to the shortest distance between the target object and the display device" includes:

The target curl radius is calculated according to the formula R = k ₂ * L, where R is the target curl radius, L is the closest distance between the target object and the display device, and k ₂ is the second preset adjustment parameter.

The present invention also provides a display device including a flexible display screen and a controller. The controller obtains a target parameter and controls to determine a target curl type and a target curl radius of the flexible display screen according to the target parameter. The flexible display screen is controlled to deform with the target curl type according to the target curl type and the target curl radius of the flexible display screen to form a curved surface having the target curl radius.

Preferably, the display device further includes an information collection device, the information collection device is used to obtain the target parameter, and the controller is connected to the information collection device and obtains the target parameter.

Preferably, the target parameter includes a self-parameter of the display device or an external parameter outside the display device; the self-parameter of the display device includes sound information emitted by the display device, and a parameter other than the display device The external parameters include the number of target objects located near the display device and the shortest distance between the target objects near the display device and the display device.

Preferably, the sound information is a sound frequency, and the "the controller controls to determine the target curl type and the target curl radius of the flexible display screen according to the target parameter" includes:

The controller determines the target curl type according to the frequency of sound emitted by the display device; and

The controller determines the target curl radius according to the frequency of sound emitted by the display device.

Preferably, the "the controller determines the target curl type according to the frequency of sound emitted by the display device" includes:

The controller controls to compare the sound frequency emitted by the display device with a preset frequency;

When the sound frequency is greater than or equal to the preset frequency, the controller controls to determine that the target curl type is the first curl type;

When the sound frequency is less than the preset frequency, the controller controls to determine that the target curl type is the second curl type.

Preferably, the "the controller determines the target curl radius according to the frequency of sound emitted by the display device" includes:

The controller calculates the target curl radius according to the formula R = k ₁ * | hh ₁ |, where R is the target curl radius, h is the sound frequency, h ₁ is the preset sound frequency, and k ₁ is the first preset Adjustment parameters.

Preferably, the target parameter is the number of target objects in the vicinity of the display device and the shortest distance between the target object in the vicinity of the display device and the display device; The target curl type and target curl radius of the flexible display screen include:

The controller controls the target curl type according to the number of the target objects; and

The controller controls and determines the target curl radius according to the closest distance between the target object and the display device.

Preferably, the “the controller controls to determine the target curl type according to the number of target objects” includes:

The controller controls to compare the number of the target objects with a preset number;

When the number of the target objects is greater than a preset number, the controller controls to determine that the target curl type is the first curl type;

When the number of the target objects is less than or equal to the preset number, the controller controls to determine that the target curl type is the second curl type.

Preferably, the “the controller determines the target curl radius according to the closest distance control between the target object and the display device” includes:

The controller controls to calculate the target curl radius according to the formula R = k ₂ * L, where R is the target curl radius, L is the closest distance between the target object and the display device, and k ₂ is the second preset Adjustment parameters.

Beneficial effect of the present invention: The control method of the display device provided by the present invention can adjust the target curl type and the target curl radius of the flexible display screen according to the target parameters, and can change the bending degree of the flexible display screen in real time to achieve better human Machine interaction effect.

BRIEF DESCRIPTION

In order to more clearly explain the technical solutions in the embodiments of the present invention, the drawings required in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can obtain other drawings based on these drawings without paying any creative labor.

1 is a flow chart of a method for controlling a display device provided by the present invention;

2 is a display device provided by the present invention;

3 is a schematic diagram of a method for performing display device control provided by the present invention;

4 is a structural block diagram of an information collection device provided by the present invention;

5 is a sub-flow diagram of step S200 provided by the present invention;

6 is a sub-flow chart of step S210-I provided by the present invention;

7 is a sub-flow chart of another step S200 provided by the present invention;

FIG. 8 is a sub-flow diagram of step S210-II provided by the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

The terms “first”, “second”, etc. in the description and claims of the present invention and the accompanying drawings are used to distinguish different objects, not to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes steps or units that are not listed, or optionally also includes Other steps or units inherent to these processes, methods, products or equipment.

Reference herein to "embodiments" means that specific features, structures, or characteristics described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive of other embodiments. Those skilled in the art understand explicitly and implicitly that the embodiments described herein can be combined with other embodiments.

Referring to FIGS. 1 to 3, an embodiment of the present invention provides a control method of a display device 10. The display device 10 includes a flexible display screen 100. The control method of the display device 10 includes step S100, step S200, and step S300. The detailed steps are as follows.

Step S100: Obtain target parameters. In a further embodiment, the target parameters include the own parameters of the display device 10. The self-parameters of the display device 10 include sound information of the display device 10. The sound information includes music, song, language, and the like emitted by the display device 10. Specifically, the sound information includes at least one of sound frequency, volume value, or timbre. In other embodiments, the target parameters include external parameters outside the display device 10. The external parameters outside the display device 10 include the number of target objects 20 near the display device 10 and / or the shortest distance between the target objects 20 near the display device 10 and the display device 10. In this embodiment, the target object 20 includes a person. In other embodiments, the target object 20 may also include at least one of animals, office supplies, obstacles, and the like. It can be understood that the external parameters may also include the size, quality, or color of the target object 20.

It can be understood that the manner of acquiring the target parameter includes acquiring using the information collection device 300. Wherein, referring to FIG. 4, in some embodiments, the information collection device 300 may include a sound collection device 301 and an image collection device 302, and the sound collection device 301 may obtain audio data for sound information emitted by the display device 10 itself, and from Acquire the sound information emitted by the display device 10 itself from the audio data. For example, the sound collection device 301 may include an audio card, and acquire the audio data for the sound information emitted by the display device 10 itself, and acquire the display device 10 from the audio data The voice message issued by itself. Alternatively, the sound collection device 301 may also be a microphone, and the sound collection device 301 may collect sound information from the display device 10 after the display device 10 emits a sound. The image acquisition device 302 is used to acquire images of the surrounding environment, so as to obtain the parameter information of the target object 20 according to the collected images, for example, when the target object 20 is a person, parameters such as the number and distance of persons are acquired from the collected images information.

In step S200, the target curl type and the target curl radius of the flexible display screen 100 are determined according to the target parameters. It can be understood that the target curl type of the flexible display screen 100 includes a first curl type and a second curl type. The first curl type refers to a curl type in which the flexible display screen 100 protrudes outward toward the display device 10, or a curl type in which the flexible display screen 100 protrudes toward the target object 20 near the display device 10 to expand the display Angle of view, suitable for multi-person multi-angle viewing. The second curl type refers to a curl type in which the flexible display screen 10 is recessed and curled toward the inside of the display device 10, or that the flexible display screen 100 is recessed toward the display device 10 from a nearby target object 20 to gather the display light emission brightness, Suitable for a few people or watching from a distance.

In step S300, the flexible display screen 100 is controlled to deform according to the target curl type and the target curl radius according to the target curl type to form a curved surface having the target curl radius.

The control method of the display device 10 provided by the present invention can adjust the target curl type and the target curl radius of the flexible display screen 100 according to the target parameters, can control the bending degree of the flexible display screen 100, and apply the display device 10 to a robot display In the middle time, the curvature of the screen can be changed in real time according to the detection robot itself and the surrounding environment, so as to achieve a better human-computer interaction effect.

Please refer to FIG. 5. In a further embodiment, the sound information is the sound frequency. “Determining the target curl type and target curl radius of the flexible display screen 100 according to the target parameters” includes steps S210-I and S220-I, as follows Narrate.

In step S210-I, the target curl type is determined according to the frequency of the sound emitted by the display device 10.

And step S220-I, the target curl radius is determined according to the frequency of the sound emitted by the display device 10. It can be understood that the order of determining the target curl type and the target curl radius can be exchanged. In some embodiments, the target curl radius can also be obtained by the curvature conversion after curling.

When the sound frequencies emitted by the display device 10 are different, the target curl type and the target curl radius of the flexible display screen 100 are also different, thereby making the flexible display screen 100 more personalized during the use of the display device 10. When the display device 10 is a robot, the flexible display screen 10 is assumed to be installed on the face of the robot, and when the robot emits different language sounds, the flexible display screen 100 of the robot face will change the type of curling of the flexible display screen 100 and the type of curl according to the frequency of the language sound The degree of curling simulates the emotion of the robot through the curling radius or curvature of the flexible display screen 100.

It can be understood that, in some embodiments, the sound information may also be a sound volume value. The “determining the target curl type and the target curl radius of the flexible display screen 100 according to the target parameter” may include: according to the display device 10 The volume value of the sound emitted determines the target curl type and target curl radius. In some other embodiments, the sound information may also include the frequency and volume value of the sound. The “determining the target curl type and the target curl radius of the flexible display screen 100 according to the target parameter” may include: sending out according to the display device 10 One of the frequency and magnitude values of the sound determines the target curl type, and the other one of the frequency and magnitude values of the sound emitted by the display device 10 determines the target curl radius. In other embodiments, the sound information may also include any two of the sound timbre, frequency, or volume value. The "determine the target curl type and target curl radius of the flexible display screen 100 according to the target parameter" may be Including: determining the target curl type according to any one of the timbre, frequency or volume value of the sound emitted by the display device 10, according to any two of the timbre, frequency or volume value of the sound emitted by the display device 10 The other one determines the target curl radius.

Referring to FIG. 6, in a further embodiment, "determining the target curl type according to the frequency of sound emitted by the display device 10" includes step S211-I, step S212-I, and step S213-I. The details are as follows.

In step S211-I, the frequency of the sound emitted by the display device 10 is compared with the preset frequency.

Step S212-I, when the sound frequency is greater than or equal to the preset frequency, it is determined that the target curl type is the first curl type.

Step S213-I, when the sound frequency is less than the preset frequency, it is determined that the target curl type is the second curl type.

The preset frequency may be preset in the display device 10, and the size of the preset frequency may be determined according to different application products or application scenarios of the display device 10.

In a further embodiment, “determining the target curl radius according to the sound frequency emitted by the display device 10” includes: calculating the target curl radius according to the formula R = k ₁ * | hh ₁ |, where R is the target curl radius and h is Sound frequency, h ₁ is the preset sound frequency, and k ₁ is the first preset adjustment parameter. Where | hh ₁ | represents the absolute value of the difference between the sound frequency and the preset sound frequency. The first preset adjustment parameter may be determined according to different application products or application scenarios of the display device 10.

Please refer to FIGS. 3 and 7. In a further embodiment, the target parameter is the number of target objects 20 near the display device 10 and the closest distance between the target objects 20 near the display device 10 and the display device 10. "Determining the target curl type and target curl radius of the flexible display screen 100 according to the target parameters" includes steps S210-II and S220-II. The details are as follows.

In step S210-II, the target curl type is determined according to the number of target objects 20. as well as

In step S220-II, the target curl radius is determined according to the shortest distance between the target object 20 and the display device 10. It can be understood that the order of determining the target curl type and the target curl radius can be exchanged.

For example, when the target object 20 is a person and the display device 10 is a TV, the flexible display screen 100 is the display screen of the TV. When the control method of the present invention is executed, the flexible display screen 100 of the TV will be based on the number of people and the distance from the TV Adjust the position of the device to change the type and degree of curl of the flexible display screen 100 of the TV, so that the flexible display screen 100 has a better display effect to adapt to different numbers and different positions of viewers, so that the viewer (person) has more Good viewing experience.

Please refer to FIG. 8. In a further embodiment, “determining the target curl type according to the number of target objects 20” includes step S211-II, step S212-II, and step S213-II. The details are as follows.

In step S211-II, the number of target objects 20 is compared with the preset number.

In step S212-II, when the number of target objects 20 is greater than the preset number, it is determined that the target curl type 20 is the first curl type. For example, when the number of people is greater than the preset number, the flexible display screen 100 of the television is determined as the first curl type to expand the display viewing angle, and the flexible display screen 100 can be viewed better when there are a large number of people.

Step S213-II, when the number of target objects 20 is less than or equal to the preset number, it is determined that the target curl type is the second curl type. For example, when the number of people is less than or equal to the preset number, the flexible display screen 100 of the TV is determined as the second curl type to gather and display the luminous brightness, so that the power of the TV can be reduced under the same luminous brightness, which is more energy-saving. Or, under the same TV power, the flexible display screen 100 displays brighter, which can be viewed at a farther distance.

In a further embodiment, “determining the target curl radius according to the closest distance between the target object 20 and the display device 10” includes: calculating the target curl radius according to the formula R = k ₂ * L, where R is the target curl radius, L For the shortest distance between the target object 20 and the display device 10, k ₂ is the second preset adjustment parameter. The second preset adjustment parameter may be determined according to different application products or application scenarios of the display device 10.

Referring back to FIG. 2, the present invention also provides a display device 20, which includes a flexible display screen 100 and a controller 200. The controller 200 obtains target parameters, controls and determines the target curl type of the flexible display screen 100 according to the target parameters, and The target curl radius also controls the flexible display screen to deform with the target curl type according to the target curl type of the flexible display screen 100 and the target curl radius to form a curved surface with the target curl radius.

The controller 200 of the display device 10 provided by the present invention can adjust the target curl type and the target curl radius of the flexible display screen 100 according to the target parameters, can control the bending degree of the flexible display screen 100, and apply the display device 10 to the robot When in the display, the curvature of the screen can be changed in real time according to the detection robot itself and the surrounding environment, so as to achieve a better human-computer interaction effect.

In a further embodiment, the target parameters include the own parameters of the display device 10 or external parameters outside the display device 10. The self-parameters of the display device 10 include sound information of the display device 10. The sound information includes music, song, language, and the like emitted by the display device 10. Specifically, the sound information includes at least one of sound frequency, volume value, or timbre. The external parameters outside the display device 10 include the number of target objects 20 near the display device 10 and / or the shortest distance between the target objects 20 near the display device 10 and the display device 10. In this embodiment, the target object 20 includes a person. In other embodiments, the target object 20 may also include at least one of animals, office supplies, obstacles, and the like. It can be understood that the external parameters may also include the size, quality, or color of the target object 20.

In a further embodiment, the display device 10 further includes an information collection device 300 that is used to obtain target parameters, and the controller 200 is connected to the information collection device 300 and obtains the target parameters. Please refer to FIG. 4. In some embodiments, the information collection device 300 may include a sound collection device 301 and an image collection device 302. The sound collection device 301 may obtain audio data for sound information emitted by the display device 10 itself, and from the audio data Acquire the sound information emitted by the display device 10 itself, for example, the sound collection device 301 may include an audio card, and acquire the audio data for the sound information emitted by the display device 10 itself, and acquire the sound data emitted by the display device 10 itself from the audio data Voice message. Alternatively, the sound collection device 301 may also be a microphone, and the sound collection device 301 may collect sound information emitted by the display device 10 after the display device 10 emits a sound, so that the controller 200 may use the sound collection device 301 The collected sound information acquires the sound information emitted by the display device 10 itself. The image acquisition device 302 is used to acquire images of the surrounding environment, so that the controller 200 can obtain the parameter information of the target object 20 according to the collected images. For example, when the target object 20 is a human body, the controller 200 can determine the image Obtain parameter information such as the number of people and location information, where location information includes distance and direction parameter information.

In a further embodiment, the sound information is a sound frequency, and “the controller 200 controls to determine the target curl type and the target curl radius of the flexible display screen 100 according to the target parameters” includes the controller 200 determining the target curl according to the sound frequency emitted by the display device 10 Type; and the controller 200 determines the target curl radius according to the frequency of sound emitted by the display device 10.

That is to say, when the frequency of sound emitted by the display device 10 is different, the target curl type and target curl radius of the flexible display screen 100 are also different, thereby making the flexible display screen 100 more personalized during the use of the display device 10. When the display device 10 is a robot, the flexible display screen 10 is assumed to be installed on the face of the robot, and when the robot emits different language sounds, the flexible display screen 100 of the robot face will change the type of curling of the flexible display screen 100 and the type of curl according to the frequency of the language sound The degree of curling simulates the emotion of the robot through the curling radius or curvature of the flexible display screen 100.

It can be understood that, in some embodiments, the sound information may also be a sound volume value. The “controller 200 determines the target curl type and target curl radius of the flexible display screen 100 according to the target parameter control” may include: The controller 200 controls the determination of the target curl type and the target curl radius according to the volume value of the sound emitted by the display device 10. In other embodiments, the sound information may also include the frequency and volume of the sound. The “controller 200 determines the target curl type and target curl radius of the flexible display screen 100 according to the target parameter control” may include: The controller 200 determines the target curl type according to one of the frequency and volume value of the sound emitted by the display device 10, and the controller 200 determines the target curl radius according to the other control of the frequency and volume value of the sound emitted by the display device 10. In other embodiments, the sound information may also include any two of the timbre, frequency or volume value of the sound. The “controller 200 controls and determines the target curl type and the target curl of the flexible display screen 100 according to the target parameters. "Radius" may include: the controller 200 controls to determine the target curl type according to any one of the tone color, frequency or volume value of the sound emitted by the display device 10, and the controller 200 determines the tone color of the sound emitted by the display device 10 , Frequency, or volume value of any two of the other controls to determine the target curl radius.

In a further embodiment, “the controller 200 determines the target curl type according to the frequency of sound emitted by the display device 10” includes the controller comparing the frequency of sound emitted by the display device 10 with a preset frequency.

When the sound frequency is greater than or equal to the preset frequency, the controller 200 controls to determine that the target curl type is the first curl type.

When the sound frequency is less than the preset frequency, the controller 200 controls to determine that the target curl type is the second curl type.

The preset frequency may be preset in the controller 200 of the display device 10, and the size of the preset frequency may be determined according to different application products or application scenarios of the display device 10.

In a further embodiment, “the controller 200 determines the target curl radius according to the sound frequency emitted by the display device 10” includes the controller 200 calculating the target curl radius according to the formula R = k ₁ * | hh ₁ |, where R is the target curl Radius, h is the sound frequency, h ₁ is the preset sound frequency, and k ₁ is the first preset adjustment parameter. Where | hh ₁ | represents the absolute value of the difference between the sound frequency and the preset sound frequency. The first preset adjustment parameter may be determined according to different application products or application scenarios of the display device 10.

Referring to FIG. 3, in a further embodiment, the target parameter is the number of target objects 20 near the display device 10 and the shortest distance between the target object 20 near the display device 10 and the display device 10, "the controller 200 according to the target The parameter control determines the target curl type and the target curl radius of the flexible display screen 100 ”includes the controller 200 controlling and determining the target curl type according to the number of target objects 20, and the controller 200 controlling and determining according to the closest distance between the target object 20 and the display device 10 Target curl radius. It can be understood that, when the information collection device 300 is used to obtain the number of target objects 20 and the shortest distance between the target object 20 and the display device 10, the information collection device 300 may be an image collection device 302, and the image collection device 302 It may be an infrared sensor or a camera, wherein the infrared sensor or the camera may collect a depth image, and the depth image can determine the distance between the target object 20 and the display device 10. It can be understood that after the controller 200 obtains the distances between all the target objects 20 and the display device 10, the closest distance between the target objects 20 and the display device 10 can be obtained through analysis and calculation.

In a further embodiment, “the controller 200 controls to determine the target curl type according to the number of target objects 20” includes the controller 200 controlling to compare the number of target objects 20 with a preset number. When the number of target objects 20 is greater than the preset number, the controller 200 controls to determine that the target curl type is the first curl type. For example, when the number of people is greater than the preset number, the flexible display screen 100 of the television is determined as the first curl type to expand the display viewing angle, and the flexible display screen 100 can be viewed better when there are a large number of people. When the number of target objects 20 is less than or equal to the preset number, the controller 200 controls to determine that the target curl type is the second curl type. For example, when the number of people is less than or equal to the preset number, the flexible display screen 100 of the TV is determined as the second curl type to gather and display the luminous brightness, so that the power of the TV can be reduced under the same luminous brightness, which is more energy efficient Or, under the same TV power, the flexible display screen 100 displays brighter, which can be viewed at a farther distance.

In a further embodiment, “the controller 200 controls to determine the target curl radius according to the closest distance between the target object 20 and the display device 10” includes the controller 200 controlling the calculation of the target curl radius according to the formula R = k ₂ * L, where R is the target curl radius, L is the shortest distance between the target object 20 and the display device 10, and k ₂ is the second preset adjustment parameter. The second preset adjustment parameter may be determined according to different application products or application scenarios of the display device 10.

Understandably, the curvature radius change of the flexible display screen 100 of the above display device 10 can be realized by a mechanical structure, for example, different telescopic columns can be provided at different positions on the back of the flexible display screen 100, and each telescopic column can independently control the telescoping The amount of bending can be adjusted by the motor to control the expansion and contraction of the telescopic column to adjust the bending of the flexible display 100 at different positions; or multiple hinges hinged to each other can be provided on the back of the flexible display 100 to control the mutual Rotate to control the curvature of the flexible display screen 100 at different positions; or an electro-deformable material can be provided on the back of the flexible display screen 100, and the degree of deformation of the electro-deformable material can be controlled by current to control the curvature of the flexible display screen 100 and so on. The above various implementations can be selected according to actual needs, or use other control technologies.

It can be understood that the display device 20 provided by the present invention may be a robot, a television, an aviation instrument, a smart phone (such as an Android phone, an iOS phone, a Windows phone, etc.), a tablet computer, a flexible palmtop computer, a flexible notebook computer, a mobile Internet devices (MID, Mobile Devices) or wearable devices, etc., or may be organic light-emitting diode (Organic light-emitting diodes, OLED) display devices, active matrix organic light emitting diodes (Active Matrix Organic Light Emitting Diode, AMOLED ) Display device.

The above examples only express several implementations of the present invention, and their descriptions are more specific and detailed, but they should not be construed as limiting the patent scope of the present invention. It should be noted that, those of ordinary skill in the art, without departing from the concept of the present invention, can also make several modifications and improvements, which all fall within the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

A control method of a display device, characterized in that the display device includes a flexible display screen, and the control method of the display device includes:

Get the target parameters;

Determine the target curl type and the target curl radius of the flexible display screen according to the target parameter;

The flexible display screen is controlled to deform with the target curl type according to the target curl type and the target curl radius of the flexible display screen to form a curved surface having the target curl radius.
The control method according to claim 1, wherein the target parameter includes an own parameter of the display device.
The control method according to claim 2, wherein the target parameter includes sound information of the display device.
The control method according to claim 1, wherein the target parameter includes an external parameter outside the display device.
The control method according to claim 4, wherein the target parameter includes the number of target objects located near the display device.
The control method according to claim 5, wherein the target parameter further includes a shortest distance between a target object located near the display device and the display device.
The control method according to claim 3, wherein the sound information is a sound frequency, and the "determining the target curl type and target curl radius of the flexible display screen according to the target parameter" includes:

Determine the target curl type according to the frequency of sound emitted by the display device; and

The target curl radius is determined according to the frequency of sound emitted by the display device.
The control method according to claim 7, wherein the "determining the target curl type according to the frequency of the sound emitted by the display device" includes:

Comparing the frequency of the sound emitted by the display device with a preset frequency;

When the sound frequency is greater than or equal to the preset frequency, it is determined that the target curl type is the first curl type;

When the sound frequency is less than the preset frequency, it is determined that the target curl type is the second curl type.
The control method according to claim 7, wherein the "determining the target curl radius according to the frequency of the sound emitted by the display device" includes:

The target curl radius is calculated according to the formula R = k 1 * | hh 1 |, where R is the target curl radius, h is the sound frequency, h 1 is the preset sound frequency, and k 1 is the first preset adjustment parameter.
The control method according to claim 6, wherein the target parameter is the number of target objects near the display device and the shortest distance between the target objects near the display device and the display device; The "determining the target curl type and target curl radius of the flexible display screen according to the target parameter" includes:

Determine the target curl type according to the number of the target objects; and

The target curl radius is determined according to the shortest distance between the target object and the display device.
The control method according to claim 10, wherein the "determining the target curl type according to the number of the target objects" includes:

Compare the number of the target objects with a preset number;

When the number of the target objects is greater than the preset number, it is determined that the target curl type is the first curl type;

When the number of the target objects is less than or equal to the preset number, it is determined that the target curl type is the second curl type.
The control method according to claim 10, wherein the "determining the target curl radius according to the shortest distance between the target object and the display device" includes:

The target curl radius is calculated according to the formula R = k 2 * L, where R is the target curl radius, L is the closest distance between the target object and the display device, and k 2 is the second preset adjustment parameter.
A display device, characterized in that the display device includes a flexible display screen and a controller, the controller acquires target parameters, and controls to determine the target curl type and target curl radius of the flexible display screen according to the target parameters The flexible display screen is controlled to deform with the target curl type according to the target curl type and the target curl radius of the flexible display screen to form a curved surface having the target curl radius.
The display device according to claim 13, wherein the display device further comprises an information collection device, the information collection device is used to obtain the target parameter, and the controller is connected to the information collection device, and Obtain the target parameter.
The display device according to claim 13, wherein the target parameter includes a self-parameter of the display device or an external parameter other than the display device; the self-parameter of the display device includes the Sound information, the external parameters outside the display device include the number of target objects located near the display device and the shortest distance between the target objects near the display device and the display device.
The display device according to claim 15, wherein the sound information is a sound frequency, and the "the controller controls and determines the target curl type and target curl radius of the flexible display screen according to the target parameter include:

The controller determines the target curl type according to the frequency of sound emitted by the display device; and

The controller determines the target curl radius according to the frequency of sound emitted by the display device.
The display device according to claim 16, wherein the "the controller determines the target curl type according to the frequency of sound emitted by the display device" includes:

The controller controls to compare the sound frequency emitted by the display device with a preset frequency;

When the sound frequency is greater than or equal to the preset frequency, the controller controls to determine that the target curl type is the first curl type;

When the sound frequency is less than the preset frequency, the controller controls to determine that the target curl type is the second curl type.
The display device according to claim 16, wherein the "the controller determines the target curl radius according to the frequency of sound emitted by the display device" includes:

The controller calculates the target curl radius according to the formula R = k 1 * | hh 1 |, where R is the target curl radius, h is the sound frequency, h 1 is the preset sound frequency, and k 1 is the first preset Adjustment parameters.
The display device according to claim 15, wherein the target parameter is the number of target objects near the display device and the closest distance between the target objects near the display device and the display device; The "the controller controls and determines the target curl type and the target curl radius of the flexible display screen according to the target parameters" includes:

The controller controls the target curl type according to the number of the target objects; and

The controller controls and determines the target curl radius according to the closest distance between the target object and the display device.
The display device according to claim 19, wherein the "the controller controls to determine the target curl type according to the number of the target objects" includes:

The controller controls to compare the number of the target objects with a preset number;

When the number of the target objects is greater than a preset number, the controller controls to determine that the target curl type is the first curl type;

When the number of the target objects is less than or equal to the preset number, the controller controls to determine that the target curl type is the second curl type.
The display device according to claim 19, wherein the "the controller determines the target curl radius according to the closest distance between the target object and the display device" includes:

The controller controls to calculate the target curl radius according to the formula R = k 2 * L, where R is the target curl radius, L is the closest distance between the target object and the display device, and k 2 is the second preset Adjustment parameters.