CN112002225A

CN112002225A - Display device

Info

Publication number: CN112002225A
Application number: CN202010823904.XA
Authority: CN
Inventors: 李晓兰; 陈策
Original assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-11-27

Abstract

The present invention provides a display device including: the flexible display device comprises a flexible shell, a flexible display panel and a telescopic device; the flexible display panel is arranged into a plurality of telescopic units, each telescopic unit comprises two first display areas and one second display area, the second display area is arranged below the first display area and is contained in the flexible shell, and the telescopic device is arranged at the junction of the first display area and the second display area, so that the screen ratios of different display screens are realized.

Description

Display device

Technical Field

The invention relates to the technical field of display, in particular to a display device.

Background

Organic Light Emitting Diode (OLED) is a new display technology. The OLED technology can realize the folding of a mobile phone screen, the folding portability is good, the screen is large after the mobile phone screen is unfolded, the mobile phone with the folding screen is more like a combination of a smart phone and a tablet, the application scenes are richer, at present, a plurality of types of folding screens appear on the market, folding creases are easily generated at folding positions, and the service life is influenced.

The existing folding screen is connected through a hinge, and a panel can be folded inwards and outwards, so that the purpose of enlarging the display area of the screen is achieved, the folding screen is fused with the characteristics of a tablet personal computer, and the attributes of the notebook personal computer can be extended. The existing folding screen also adopts the technology of enlarging the display area by adopting the left-right stretching design of double scroll shafts, and the like. But also has the following disadvantages: 1. the technical difficulty is high, the screen and the hinge are two key technologies for mass production, the hinge must be reliable and durable enough, and can bear thousands of folds without problems, which is a very difficult point, and the problem of the joint angle of the folding screen and the hinge is also a great difficult point; 2. the folding position is easy to generate crease, the service life is short, and after the folding position is subjected to multiple compression and tensile stresses, the crease in the middle of the screen can be damaged; in addition, the internal facilities of the mobile phone, such as a circuit board, components and the like, can be damaged after being folded and bent in a large quantity; the whole thickness increases a lot, weight increase after electronic equipment such as cell-phone is folded.

Disclosure of Invention

Therefore, an object of the present invention is to provide a display device, in which a flexible display panel is provided as a plurality of telescopic units, and different screen ratio displays are realized by the telescopic device.

In order to achieve the above object, the present invention provides a display device including a flexible case; the flexible display panel is arranged above the flexible shell and provided with a plurality of telescopic units, each telescopic unit comprises two first display areas and one second display area, and the second display areas are arranged below the first display areas and are contained in the flexible shell; the telescopic device is arranged at the junction of the first display area and the second display area and is positioned below the first display area; when the display device is in a non-stretching state, the second display area is positioned below the first display area, and the second display area is accommodated in the flexible shell; when the display device is in a stretching state, the second display area is stretched to be on the same horizontal plane with the first display area from the flexible shell through the telescopic device.

Further, the boundary is formed between the second display area and the two first display areas, and the boundary includes a first boundary and a second boundary.

Further, the telescoping device at the interface comprises: the sliding columns are respectively arranged below the junction; and the sliding block is connected with the sliding column through a connecting rod.

Further, at the first interface, the sliding column comprises a first sliding column; the sliding blocks comprise a first sliding block and a second sliding block; the first sliding block is connected with one end of the first sliding column through a first connecting rod, and the second sliding block is connected with the other end of the first sliding column through a second connecting rod.

Further, at the second interface, the sliding column further comprises a second sliding column; the sliding blocks further comprise a third sliding block and a fourth sliding block; the third slider passes through the third connecting rod and connects the one end of second slip post, the fourth slider passes through the fourth connecting rod and connects the other end of second slip post.

Further, the third slider moves simultaneously with the first slider; the fourth slider moves simultaneously with the second slider.

Further, the first connecting rod and the third connecting rod move simultaneously; the second connecting rod and the fourth connecting rod move simultaneously.

Further, the sliding column is adhered to the bottom of the flexible display panel.

Further, the display device further comprises: and each control switch correspondingly controls the expansion and contraction of one telescopic unit, so that different screen ratios of the display device are realized.

Further, the flexible display panel includes an OLED display panel or an AMOLED display panel.

The invention has the beneficial effects that: the invention provides a display device.A flexible display panel is arranged into a plurality of telescopic units, each telescopic unit comprises two first display areas and a second display area, and the second display area is arranged below the first display area and is contained in a flexible shell. The telescopic device is arranged at the junction of the first display area and the second display area, so that the screen ratio of different display screens is realized.

Drawings

The invention is further described below with reference to the figures and examples.

FIG. 1 is a schematic diagram of a display device according to the present invention;

FIG. 2 is a cross-sectional view of the telescopic unit according to the present invention in a contracted state;

FIG. 3 is a cross-sectional view of the telescopic unit provided by the present invention in a stretched state;

FIG. 4 is a top view of the telescoping unit of the present invention in a collapsed state;

FIG. 5 is a top view of the telescoping unit of the present invention in a stretched state;

fig. 6 shows the display device of the present invention stretched to 16: 9 screen ratio structural schematic diagram;

fig. 7 shows the display device of the present invention extended to 18: 9 screen ratio structural schematic diagram;

FIG. 8 shows the display device of the present invention extended to 19: 9 screen ratio structural schematic diagram;

fig. 9 shows the display device of the present invention extended to 20: 9 screen ratio structural schematic diagram;

a display device 10;

a flexible housing 101; a flexible display panel 102; telescopic unit 100

A first display area 1; a second display area 6; a slider 4;

a connecting rod 5; a first slider 41; a second slider 42;

a third slider 43; a fourth slider 44; a first connecting rod 51;

a second connecting rod 52; the third connecting rod 53; a fourth connecting rod 54;

a first sliding column 2; a second sliding column 3.

Detailed Description

In order that the present invention may be better understood, the following examples are included to further illustrate the invention, but not to limit its scope.

The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.

As shown in fig. 1, the present invention provides a display device 10 including a flexible housing 101, a flexible display panel 102, and a telescopic device.

The flexible display panel 102 is disposed above the flexible housing 101. The flexible display panel 102 includes an OLED display panel or an AMOLED display panel.

Referring to fig. 2, the flexible display panel 102 includes a plurality of telescopic units 100, each telescopic unit 100 includes two first display areas 1 and one second display area 6, the second display area 6 is disposed below the first display areas 1 and is accommodated in the flexible housing 101, and the second display area 6 is disposed between the two first display areas 1.

The telescopic device is arranged at the junction of the first display area 1 and the second display area 6 and is positioned below the first display area 1.

When the display device 10 is in a non-stretched state, the second display area 6 is located below the first display area 1, and the second display area 6 is received in the flexible casing 101; when the display device 10 is in a stretched state, as shown in fig. 3 and 5, the second display area 6 is stretched from the flexible housing 101 to be on the same horizontal plane as the first display area 1 by the stretching and retracting device.

The second display area 6 and the two first display areas 1 are respectively intersected at a first boundary and a second boundary.

The telescoping device is disposed at the first interface and the second interface, the telescoping device including: sliding columns (2 and 3) and a slide 4.

The

sliding columns

2 and 3 are arranged below the boundary (the first boundary and the second boundary). The sliding column is adhered to the bottom of the flexible display panel 102.

The sliding block 4 is connected with the

sliding columns

2 and 3 through a connecting rod 5.

As shown in fig. 2 to 5, the slide columns include a first slide column 2 and a second slide column 3. The first sliding column 2 is arranged at the first junction, and the second sliding column 3 is arranged at the second junction. Since the sliding columns coincide with the corresponding boundaries, there are no first boundary and no second boundary marked in the drawings, the first boundary referring to the position of the first sliding column 2 in fig. 4, and the second boundary referring to the position of the second sliding column 3 in fig. 4.

At the first interface, the slider 4 includes a first slider 41 and a second slider 42.

The first slider 41 is connected to one end of the first sliding column 2 through a first connecting rod 51, and the second slider 42 is connected to the other end of the first sliding column 2 through a second connecting rod 52.

At the second interface, the slide 4 further comprises a third slide 43 and a fourth slide 44.

The third slider 43 is connected to one end of the second sliding column 3 through a third connecting rod 53, and the fourth slider 44 is connected 55 to the other end of the second sliding column 3 through a fourth connecting rod.

The third slider 43 moves simultaneously with the first slider 41; the fourth slider 44 moves simultaneously with the second slider 42.

The first connecting rod 51 and the third connecting rod 53 move simultaneously; the second connecting rod 52 moves simultaneously with the fourth connecting rod 54.

The invention drives the sliding

columns

2 and 3 to move through the sliding block 4, thereby realizing the contraction and extension of the screen.

Specifically, the first slider 41 and the second slider 42 drive the two ends of the first sliding column 2 to move simultaneously through the first connecting rod 51 and the second connecting rod 52, respectively. The third slider 43 and the fourth slider 44 drive the two ends of the second sliding column 3 to move simultaneously through the third connecting rod 53 and the fourth connecting rod 54, respectively.

In one embodiment, the display device 10 further comprises: and each control switch correspondingly controls the expansion and contraction of one telescopic unit, and different screen ratios of the display device are further realized by controlling the working states of different telescopic units.

The screen ratio of the display device in fig. 1 is 16: by controlling the working states of different telescopic units, different screen ratios of the display device are realized, and the display device comprises 16: 9 (shown in fig. 6), 18: 9 (shown in fig. 7), 19: 9 (shown in fig. 8), 20: 9 (shown in fig. 9).

The invention provides a display device.A flexible display panel 102 is arranged into a plurality of telescopic units 100, each telescopic unit comprises two first display areas 1 and one second display area 6, and the second display area 6 is arranged below the first display areas 1 and is contained in a flexible shell 101. The expansion device is arranged at the junction of the first display area 1 and the second display area 6, so that different screen ratios of the display screens are realized.

The telescopic device does not need a large operation space, and the thickness of the manufactured display device is smaller. And the sliding block drives the sliding column to move, so that the display panel is stretched or contracted, the device is simple, and the requirement on installation precision is not high.

It should be noted that many variations and modifications of the embodiments of the present invention fully described are possible and are not to be considered as limited to the specific examples of the above embodiments. The above examples are given by way of illustration of the invention and are not intended to limit the invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims

1. A display device, comprising:

a flexible housing;

the flexible display panel is arranged above the flexible shell and provided with a plurality of telescopic units, and each telescopic unit comprises two first display areas and one second display area; and

the telescopic device is arranged at the junction of the first display area and the second display area and is positioned below the first display area;

when the display device is in a non-stretching state, the second display area is positioned below the first display area, and the second display area is accommodated in the flexible shell; when the display device is in a stretching state, the second display area is stretched to be on the same horizontal plane with the first display area from the flexible shell through the telescopic device.

2. The display device according to claim 1,

the boundary is formed between the second display area and the two first display areas, and the boundary comprises a first boundary and a second boundary.

3. The display device according to claim 2,

the telescoping device is at the interface, comprising:

the sliding columns are respectively arranged below the junction;

and the sliding block is connected with the sliding column through a connecting rod.

4. The display device according to claim 3,

at the first interface, the sliding column comprises a first sliding column;

the sliding blocks comprise a first sliding block and a second sliding block;

the first sliding block is connected with one end of the first sliding column through a first connecting rod, and the second sliding block is connected with the other end of the first sliding column through a second connecting rod.

5. The display device according to claim 4,

at the second interface, the sliding column further comprises a second sliding column;

the sliding blocks further comprise a third sliding block and a fourth sliding block;

the third slider passes through the third connecting rod and connects the one end of second slip post, the fourth slider passes through the fourth connecting rod and connects the other end of second slip post.

6. The display device according to claim 5,

the third slide block and the first slide block move simultaneously;

the fourth slider moves simultaneously with the second slider.

7. The display device according to claim 5,

the first connecting rod and the third connecting rod move simultaneously;

the second connecting rod and the fourth connecting rod move simultaneously.

8. The display device according to claim 3,

the sliding column is adhered to the bottom of the flexible display panel.

9. The display device according to claim 6, further comprising:

and each control switch correspondingly controls the expansion and contraction of one telescopic unit.

10. The display device according to claim 1,

the flexible display panel includes an OLED display panel or an AMOLED display panel.