WO2019104824A1

WO2019104824A1 - Display device and method for detecting bending degree thereof

Info

Publication number: WO2019104824A1
Application number: PCT/CN2018/070021
Authority: WO
Inventors: 陈慧
Original assignee: 武汉华星光电半导体显示技术有限公司
Priority date: 2017-11-28
Filing date: 2018-01-02
Publication date: 2019-06-06
Also published as: CN107911508B; CN107911508A

Abstract

Disclosed in the present invention is a display device, comprising: a display device body (1), the display device body being provided with a display surface (1a) and a non-display surface (1b), one side of the non-display surface (1b) being provided with an infrared transmitter (2) and an infrared receiver (3), and the other side of the non-display surface (1b) being provided with a total reflection mirror (4); and infrared light emitted by the infrared transmitter (2) is irradiated on the total reflection mirror (4), and returns to the infrared receiver (3) along the original path, and according to a time interval between the infrared transmitter (2) transmitting the infrared light and the infrared receiver (3) receiving the infrared light, information about the bending angle of the display device body (1) towards the non-display surface (1b) is acquired. Further disclosed in the present invention is a method for detecting the bending degree of a display device.

Description

Display device and method for detecting the degree of bending thereof

The present application claims the priority of the Chinese Patent Application filed on November 28, 2017, the Chinese Patent Application No. 201711214394.0, entitled "A display device and a method for detecting the degree of bending thereof", the entire contents of which are incorporated herein by reference. This is incorporated herein by reference.

Technical field

The present invention relates to the field of display devices, and in particular, to a display device and a method for detecting the degree of bending thereof.

Background technique

In the prior art, the flexible foldable mobile phone has gradually become a development trend. Now, the user's control means for the mobile phone include touch pressure, voice, etc., and the touch pressure can provide position and pressure information as contact control. At present, there is no method of implementing a control display device by using the degree of folding of the display device as a signal.

Summary of the invention

The technical problem to be solved by the present invention is to provide a display device and a method for detecting the degree of bending thereof, which can obtain bending angle data for bending the display device, and further realize control of the display device.

In order to solve the above technical problem, an embodiment of the present invention provides a display device, including: a display device body, the display device body is provided with a display surface and a non-display surface, and one side of the non-display surface is provided with an infrared emitter and an infrared receiver. The other side of the non-display surface is provided with a total reflection mirror; wherein: the display device body is bent toward the non-display surface, and the infrared emitter emits infrared light to the total reflection mirror and returns to the infrared receiver. According to the time interval when the infrared emitter emits infrared light and the infrared receiver receives the infrared light, the bending angle data information of the display device body being bent toward the non-display surface is acquired.

The method further includes: a bending angle data storage component, wherein the bending angle data storage component stores a bending of a known infrared emitter emitting infrared light and a bending angle of the display device body corresponding to the infrared receiver receiving the infrared light time interval. The angle component data; the processing component, the processing component compares the time interval at which the infrared emitter emits the infrared light and the infrared receiver receives the infrared light, and the bending angle data stored by the bending angle data storage component, to obtain the display device body Bend angle data information that is bent toward the non-display surface.

The total reflection mirror includes a plurality of mirrors connected in sequence, and the mirror includes: a first reflection surface; a second reflection surface perpendicular to the first reflection surface, wherein: the light incident on the mirror passes through the first reflection surface and The two reflections of the second reflecting surface return in the direction of incidence.

Wherein, a plurality of mirrors connected in sequence are arranged on the same plane.

Wherein, the infrared emitter and the infrared receiver are embedded below the surface of the non-display surface, and the two are adjacent to each other.

In order to solve the above technical problem, an embodiment of the present invention provides a display device, including: a display device body, the display device body is provided with a display surface and a non-display surface, and one side of the non-display surface is provided with an infrared emitter, a non-display surface The other side is provided with an infrared receiver; wherein: the display device body is bent toward the non-display surface, and the infrared emitter emits infrared light and is received by the infrared receiver, according to the specific position of the infrared receiver receiving the infrared light, The bending angle data information of the display device body being bent toward the non-display surface.

The method further includes: a bending angle data storage component, wherein the bending angle data storage component stores the bending angle data of the bending angle of the display device body corresponding to the specific position of the infrared light received by the infrared receiver; processing component, processing The component compares the specific position of the infrared receiver receiving the infrared light with the bending angle data stored by the bending angle data storage component, and obtains bending angle data information that the display device body bends toward the non-display surface.

The infrared receiver is provided with a plurality of receiving points arranged in a plane or arranged in a line on the non-display surface, and the infrared receiver receives the infrared light emitted by the infrared emitter through the receiving point.

Among them, the infrared emitter and the infrared receiver are embedded below the surface of the non-display surface.

In order to solve the above technical problem, an embodiment of the present invention provides a method for detecting a degree of bending of a display device, which includes the following steps: the display device is bent toward its non-display surface, and one side of the display device emits infrared light to On the other side of the display device, the infrared light is received or the infrared light is reflected and then returned to the original path, and the bending of the display device toward the non-display surface is obtained according to the time interval between emitting the infrared light and receiving the infrared light. Fold angle data information.

The display device and the method for detecting the degree of bending provided by the present invention have the following beneficial effects: the display device is bent toward its non-display surface, and one side of the display device emits infrared light to the other side of the display device. After the infrared light is received or the infrared light is reflected, the original path returns and is received, and according to the time interval between emitting the infrared light and receiving the infrared light, obtaining the bending angle data information of the display device bending toward the non-display surface thereof, further realizing Control of the display device.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing a first bending angle of a first embodiment of a display device according to the present invention.

2 is a schematic view showing a second bending angle of the first embodiment of the display device of the present invention.

3 is a schematic view showing a third bending angle of the first embodiment of the display device of the present invention.

Fig. 4 is a structural schematic view showing a mirror of the first embodiment of the present invention in which the display device is bent.

Fig. 5 is a schematic view showing the first bending angle of the second embodiment of the display device of the present invention.

Figure 6 is a schematic view showing the second bending angle of the second embodiment of the display device of the present invention.

Fig. 7 is a view showing a third bending angle of the second embodiment of the display device of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 to FIG. 4, it is a first embodiment of the display device of the present invention.

The display device in this embodiment can be applied to display devices such as a mobile phone screen, a flexible LCD, an OLED, etc., and includes: a display device body 1. The display device body 1 can be set according to the shape of a commonly used mobile device, for example, can be designed. A rectangle with rounded corners at the corners. The display device in this embodiment is a flexible foldable display device that can achieve an inward or outward bend of 180°, one bend or multiple bends.

In a specific implementation, one side of the display device body 1 on which the display screen is mounted is the display surface 1a, and the other side opposite to the display surface 1a is the non-display surface 1b. Hereinafter, taking the display device body 1 to be bent toward the non-display surface 1b as an example, the form and degree of bending of the display device can be used as a data signal to realize control of the display device.

The infrared emitter 2 and the infrared receiver 3 are provided on one side of the non-display surface 1b, and the total reflection mirror 4 is provided on the other side of the non-display surface 1b. The infrared emitter 2 functions to emit infrared light, and the infrared receiver 3 functions to receive infrared light. The total reflection mirror 4 functions to reflect the infrared light emitted by the infrared emitter 2. In this embodiment, the infrared emitter 2 and the infrared receiver 3 are embedded below the surface of the non-display surface 1b, which can improve the consistency of the overall outer contour of the display device, reduce the volume, and facilitate product intensification. The infrared emitter 2 and the infrared receiver 3 are arranged adjacent to each other, which can improve the positioning accuracy of transmitting and receiving infrared light.

The total reflection mirror 4 includes a plurality of micro mirrors 40 connected in series in this embodiment. The mirror 40 includes: a first reflection surface 401; a second reflection surface 402 perpendicular to the first reflection surface 401, wherein: incident The light rays to the mirror 40 are returned by the two reflections of the first reflecting surface 401 and the second reflecting surface 402 in the incident direction. Among them, a plurality of mirrors 40 connected in series are arranged on the same plane.

Further, the display device further includes: a bending angle data storage component, the bending angle data storage component stores a known display device body corresponding to the infrared emitter 2 emitting infrared light and the infrared receiver 3 receiving the infrared light time interval 1 bending angle data of the bending angle; the processing component, the processing component transmits the infrared light emitted by the infrared emitter 2 and the time interval of receiving the infrared light by the infrared receiver 3 and the bending angle data stored by the bending angle data storage component In comparison, the bending angle data information indicating that the display device body is bent toward the non-display surface 1b is obtained.

In the implementation of the display device in this embodiment, the display device body 1 is bent toward the non-display surface 1b, and the infrared emitter 2 emits infrared light A to illuminate the total reflection mirror 4 and return to the original path, wherein: The incident infrared rays on the total reflection mirror 4 are returned to the infrared receiver 3 in the incident direction by the two reflections of the first reflection surface 401 and the second reflection surface 402. In the schematic diagrams of the different bending angles of FIGS. 1 to 3, the bending angle of the display device body bent toward the non-display surface 1b is changed from 30° shown in FIG. 1 to 120° shown in FIG. Figure 160 shows 160°. As can be seen from the figure, the distance of infrared light emission and return between the infrared emitter 2 and the infrared receiver 3 increases as the angle increases.

The display device has a processing component that compares the time interval at which the infrared emitter 2 emits infrared light A and the infrared receiver 3 receives the infrared light with the bending angle data stored by the bending angle data storage component, thereby obtaining a display device. The bending angle data information in which the body is bent toward the non-display surface 1b.

The obtained data information of the above bending angle can be applied to a mobile game, for example, the degree of bending represents the speed or the degree of jumping, and the bending angle is too large to perform an alarm.

Referring to FIG. 5 to FIG. 7 together, it is a second embodiment of the display device of the present invention.

The difference between this embodiment and the first embodiment is that the total reflection mirror 4 is not provided in the embodiment, the infrared emitter 2 is disposed on one side of the non-display surface 1b, and the infrared receiver 3 is disposed on the non-display surface 1b. The other side of the infrared emitter 2 functions to emit infrared light, and the infrared receiver 3 functions to receive infrared light. In this embodiment, the infrared emitter 2 and the infrared receiver 3 are embedded below the surface of the non-display surface 1b, which can improve the consistency of the overall outer contour of the display device, reduce the volume, and facilitate product intensification.

The infrared receiver 3 is provided on the non-display surface 1b with a plurality of receiving points 3a arranged in a plane or arranged in a line, and the infrared receiver 3 receives the infrared light emitted by the infrared emitter 2 in real time through any one of the plurality of receiving points 3a. . Thus, the specific position at which the infrared receiver receives the infrared light is determined by the position of any one of the receiving points 3a.

The display device in this embodiment further includes: a bending angle data storage component, wherein the bending angle data storage component stores the bending angle data of the bending angle of the display device body corresponding to the specific position of the infrared light received by the infrared receiver; Processing component, the processing component compares the specific position of the infrared receiver receiving the infrared light with the bending angle data stored by the bending angle data storage component, and obtains the bending angle data of the display device body bending toward the non-display surface information.

In the implementation of the display device in this embodiment, the display device body 1 is bent toward the non-display surface 1b, and the infrared emitter 2 emits infrared light and is received by the infrared receiver 3, wherein the infrared receiver 3 passes through multiple Any one of the receiving points 3a receives the infrared light emitted by the infrared emitter 2 in real time. 5-7, the bending angle of the display device body bent toward the non-display surface 1b changes from 30° shown in FIG. 5 to 120° shown in FIG. The 160° shown in Fig. 7 shows that the plurality of receiving points 3a of the infrared receiver 3 also change in real time.

The display device has a processing component that compares the time interval at which the infrared emitter 2 emits infrared light and the infrared receiver 3 receives the infrared light with the bending angle data stored by the bending angle data storage component, thereby obtaining a display device. The bending angle data information in which the body is bent toward the non-display surface 1b. The obtained data information of the above bending angle can be applied to a mobile game, for example, the degree of bending represents the speed or the degree of jumping, and the bending angle is too large to perform an alarm.

The invention also discloses a method for detecting the degree of bending of a display device, comprising the steps of: bending the display device toward its non-display surface, and emitting one side of the display device to emit infrared light to the other side of the display device, infrared After the light is received or the infrared light is reflected, the original path is returned and received, and the bending angle data information of the display device bending toward the non-display surface is obtained according to the time interval between the emitted infrared light and the received infrared light.

The specific implementation manner of the method for detecting the degree of bending of the display device is the same as the specific embodiment of the above display device, and details are not described herein again.

Claims

A display device, comprising:

a display device body, the display device body is provided with a display surface and a non-display surface, one side of the non-display surface is provided with an infrared emitter and an infrared receiver, and the other side of the non-display surface is provided with total reflection Mirror; where:

The display device body is bent toward the non-display surface, and the infrared emitter emits infrared light to the total reflection mirror and returns to the infrared receiver, and emits according to the infrared emitter The time interval between the infrared light and the infrared receiver receiving the infrared light is obtained, and the bending angle data information of the display device body being bent toward the non-display surface is acquired.
The display device of claim 1, further comprising:

a bending angle data storage component, wherein the bending angle data storage component stores a known bending of the display device body corresponding to the infrared emitter emitting infrared light and the infrared receiver receiving the infrared light time interval Angle of bending angle data;

a processing component that compares a time interval at which the infrared emitter emits infrared light and the infrared receiver receives infrared light with a bending angle data stored by the bending angle data storage component, The bending angle data information that the display device body bends toward the non-display surface.
The display device of claim 1, wherein the total reflection mirror comprises a plurality of mirrors connected in series, the mirror comprising:

First reflecting surface;

a second reflecting surface perpendicular to the first reflecting surface, wherein: the light incident on the mirror returns through the two reflections of the first reflecting surface and the second reflecting surface, and returns in a direction of incidence.
The display device of claim 2, wherein the total reflection mirror comprises a plurality of mirrors connected in series, the mirror comprising:

First reflecting surface;

a second reflecting surface perpendicular to the first reflecting surface, wherein: the light incident on the mirror returns through the two reflections of the first reflecting surface and the second reflecting surface, and returns in a direction of incidence.
The display device according to claim 3, wherein said plurality of sequentially connected mirrors are arranged on the same plane.
The display device according to claim 4, wherein said plurality of sequentially connected mirrors are arranged on the same plane.
The display device according to claim 1, wherein said infrared emitter and said infrared receiver are embedded below a surface of said non-display surface, and are disposed adjacent to each other.
The display device according to claim 2, wherein said infrared emitter and said infrared receiver are embedded below a surface of said non-display surface, and are disposed adjacent to each other.
A display device, comprising:

a display device body, the display device body is provided with a display surface and a non-display surface, one side of the non-display surface is provided with an infrared emitter, and the other side of the non-display surface is provided with an infrared receiver; wherein:

The display device body is bent toward the non-display surface, the infrared emitter emits infrared light and is received by the infrared receiver, and the infrared receiver receives the specific position of the infrared light to acquire the The bending angle data information of the display device body that is bent toward the non-display surface.
The display device of claim 9, further comprising:

a bending angle data storage component, wherein the bending angle data storage component stores the bending angle data of the bending angle of the display device body corresponding to the specific position of the infrared light received by the infrared receiver;

a processing component that compares a specific position at which the infrared receiver receives infrared light with bending angle data stored by the bending angle data storage component, and obtains that the display device body faces the non- The bending angle data information of the display surface to be bent.
The display device according to claim 9, wherein said infrared receiver is provided with a plurality of receiving points arranged in a plane or arranged in a line on said non-display surface, said infrared receiver receiving through said receiving point Infrared light emitted by the infrared emitter.
The display device according to claim 10, wherein said infrared receiver is provided with a plurality of receiving points arranged in a plane or arranged in a line on said non-display surface, said infrared receiver receiving through said receiving point Infrared light emitted by the infrared emitter.
The display device of claim 11, wherein the infrared emitter and the infrared receiver are embedded below a surface of the non-display surface.
The display device of claim 12, wherein the infrared emitter and the infrared receiver are embedded below a surface of the non-display surface.
A method for detecting a degree of bending of a display device, comprising the steps of:

The display device is bent toward its non-display surface, and one side of the display device emits infrared light to illuminate the other side of the display device, and the infrared light is received or the infrared light is reflected and then returned to the original path, according to the emitted infrared light and Receiving the time interval of the infrared light, obtaining the bending angle data information that the display device bends toward the non-display surface thereof.