WO2015176491A1

WO2015176491A1 - Flexible display device

Info

Publication number: WO2015176491A1
Application number: PCT/CN2014/089582
Authority: WO
Inventors: 孙艳六; 史世明
Original assignee: 京东方科技集团股份有限公司
Priority date: 2014-05-23
Filing date: 2014-10-27
Publication date: 2015-11-26
Also published as: CN104020879B; CN104020879A

Abstract

A flexible display device comprises a flexible display screen (11) and a supporting device (12). The flexible display screen (11) is fixed on the supporting device (12), and the supporting device (12) comprises a first end (121) and a second end (122) opposite to each other. The supporting device (12) can be bent, and the first end (121) and the second end (122) of the supporting device (12) can be connected and fixed to each other.

Description

Flexible display device

Technical field

Embodiments of the present invention relate to a flexible display device.

Background technique

Display devices such as televisions, computers, mobile phones, etc., use a display screen including a liquid crystal display (LCD), a light emitting diode (LED) display, and the like. This type of display inevitably has a certain weight, thickness and volume and is fixed somewhere. On the basis of this, the application of new technologies such as three-dimensional (3D) display and touch (touch) brings new feelings and experiences to users.

Opposite to the above display device is called a flexible display device, and the core component of the flexible display device is a flexible display screen. Flexible displays have great potential for application due to their thinness and flexibility, but their specific applications require further exploration.

Summary of the invention

Embodiments of the present invention provide a flexible display device including a flexible display screen and a supporting device, wherein the flexible display screen is fixed on the supporting device, and the supporting device includes opposite first ends and second ends. The support device is bendable, and the first end and the second end of the support device are connectable and fixed.

In one example, the displayable area of the flexible display screen is the same as the surface area of the support device after the bending connection is fixed.

In one example, the first end portion and the second end portion of the supporting device are respectively provided with a convex surface and a cutting surface, the convex surface and the cutting surface are conformable, and the convex surface is provided with a flexible display screen .

In one example, the convex surface and the cut surface are bonded by magnetic adsorption.

In one example, the first end portion and the second end portion of the supporting device are respectively provided with a hook and a card slot, and the first end portion and the second end portion are fixedly connected by the hook and the card slot .

In one example, the card slot is disposed on the cut surface, and the hook is located inside the convex surface.

In one example, the hook is a retractable hook.

In one example, the flexible display screen is secured to the support device by a thermally conductive adhesive.

In one example, a thermally conductive aluminum foil strip is also disposed between the flexible display screen and the support device.

In one example, the support device further includes opposing third ends and fourth ends, and the third end and the fourth end are provided with bosses for supporting the support A flexible display.

In one example, the support device is provided with a plurality of support blocks on a side surface that is fixed to the flexible display screen.

In one example, the side of the flexible display screen that is fixed to the support device is provided with a flexible circuit board and components electrically connected to the flexible circuit board.

In one example, the flexible display screen includes a gravity sensor, a sensor, and a communication module.

In one example, the flexible display screen is a touch screen.

DRAWINGS

The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, in which FIG.

1 is a schematic exploded view of a flexible display device according to an embodiment of the present invention;

2 is a schematic diagram of a supporting device according to an embodiment of the present invention;

3 is a schematic view of the flexible display device shown in FIG. 1 after being bent and fixed;

4 is a schematic view showing the state in which the flexible display device shown in FIG. 1 is not bent;

FIG. 5 is a schematic diagram of a hook structure according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic diagram of a card slot structure according to an embodiment of the present invention; FIG.

FIG. 7 is a schematic diagram of another structure of a hook and a card slot according to an embodiment of the present invention; FIG.

Figure 8 is a schematic side view of the support device shown in Figure 2;

Figure 9 is a second side view of the support device shown in Figure 2;

FIG. 10 is a schematic diagram of a flexible display screen according to an embodiment of the present invention.

detailed description

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. Rather than 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.

Unless otherwise defined, technical terms or scientific terms used herein shall have the ordinary meaning as understood by those having ordinary skill in the art to which the invention pertains. The words "first", "second" and similar terms used in the specification and claims of the present invention do not denote any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the words "a", "an", "the" The word "comprising" or "comprises" or the like means that the element or item preceding the word is intended to be in the "Upper", "lower", etc. are only used to indicate the relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may also change accordingly.

An embodiment of the present invention provides a flexible display device, as shown in FIG. 1 , including a flexible display 11 and a supporting device 12 . The flexible display 11 is fixed on the supporting device 12 , and the structure of the supporting device 12 As shown in FIG. 2, including the opposite first end portion 121 and second end portion 122, the support device 12 is bendable, and the first end portion 121 and the second end portion 122 of the support device 12 are connectable to each other. fixed.

The first end portion 121 and the second end portion 122 of the supporting device are connected and fixed to each other, and the supporting device 12 is formed in a ring shape. When the flexible display screen 11 is fixed on the supporting device 12 which is annular, the flexible display screen 11 can realize display; or, when the first end portion 121 and the second end portion 122 of the supporting device 12 do not mutually The connection is fixed and the flexible display can still achieve a normal flat display.

A flexible display device according to an embodiment of the present invention, by fixing the flexible display device to a support device, when the support device is normally deployed, the flexible display screen can normally realize a flat display; when the first end of the support device and the first The two ends are fixedly connected to each other, the supporting device is annular, and can be worn on the human body, and the flexible display device can also realize display and become an ornament.

Optionally, as shown in FIG. 3, the displayable area of the flexible display screen 11 is substantially the same as the surface area of the support device 12 after being bent and fixed. This flexible display can achieve a 360° display.

For example, the flexible display device can be an ornament. The display can be rendered in the same or different colors in full screen, for example, displaying red to become a red bracelet.

Optionally, as shown in FIG. 4, the first end portion 121 and the second end portion 122 of the supporting device 12 are respectively provided with a convex surface and a cutting surface (the example in FIG. 4 shows that the first end portion 121 is provided with a cutting surface, The second end portion 122 is provided with a convex surface, the convex surface and the cutting surface are conformable, and the convex surface is provided with a partial flexible display screen. A schematic view of the convex surface and the tangential surface is shown in Fig. 3. A part of the flexible display screen on the convex surface and a part of the display screen on the cross section of the cut surface are fitted together, so that the flexible display screen 11 can realize 360° display.

Optionally, the convex surface and the cutting surface are adhered by magnetic adsorption. For example, magnets of opposite polarities may be respectively disposed at the convex surface and the cut surface, and the two ends are attracted together by magnetic forces attracted to each other, thereby realizing the first end portion 121 and the second end portion 122 of the supporting device through the convex surface and the cut surface. Connected to each other.

Optionally, the first end portion and the second end portion of the supporting device may be respectively provided with a hook and a card slot, and the first end portion and the second end portion are fixedly connected by the hook and the card slot . The first end portion and the second end portion may also be fixed by other connecting means, for example, by means of a snap-fit.

For example, the card slot is disposed on the cut surface, and the hook is disposed inside the convex surface.

For example, as shown in FIG. 5, the hook 21 is disposed inside the convex surface of the second end portion 122. As shown in FIG. 6, the card slot 22 is disposed on a cut surface of the first end portion 121. The hooks 21 are engaged in the card slots 22 to achieve mutual connection between the first end portion and the second end portion. It should be noted that the inside and the outside are based on whether the display device can realize display, for example, the displayable side of the display device is outside.

It should be noted that the hooks and the card slots shown in FIG. 5-6 are only examples, and the hooks and the card slots can also have a plurality of different structural configurations. For example, the upper surface of the card slot 22 in FIG. 7 may also be closed, and the hook 21 has elasticity to achieve the engagement of the hook 21 and the card slot 22.

Optionally, the hook may also be a retractable hook. As shown in FIG. 5 and FIG. 7 , the hook includes a chuck and a connecting strap 211 , and the connecting strap 211 is retractable, that is, the length of the hook can be adjusted by the connecting strap 211 . In this way, the circumference of the support device 12 can be adjusted by the hook to accommodate different sizes of different wrists or different fixed objects. The display device can be attached to other objects or devices, for example, the display device can be attached to a teacup for display around the teacup.

Optionally, the flexible display screen is fixed to the supporting device by a thermal adhesive. Through heat conduction The glue fixes the flexible display screen on the supporting device, and the thermal conductive glue can further dissipate the internal heat of the flexible display screen as soon as possible, which is beneficial to the display of the display screen.

In one example, a thermally conductive aluminum foil strip is also disposed between the flexible display screen and the support device. The thermally conductive aluminum foil strip is also used to dissipate the internal heat of the flexible display as quickly as possible. The internal heat of the flexible display panel can also be dissipated through other heat conductive materials. The embodiment of the present invention is only described in detail by taking the heat dissipation by the thermal conductive adhesive and the thermal conductive aluminum foil strip as an example.

Optionally, as shown in FIG. 8 , the supporting device 12 further includes an opposite third end portion 123 and a fourth end portion 124 , and the third end portion 123 and the fourth end portion 124 are provided with a convex portion. A table 13 for supporting the flexible display screen. The boss 13 is adjacent to the third end portion 123 and the fourth end portion 124, and the boss 13 may be a portion that is only configured to support opposite ends of the flexible display screen as shown in FIG. The different widths of the bosses 13 can be set according to the flexible display screen.

Optionally, as shown in FIG. 9, the supporting device 12 is provided with a plurality of supporting blocks 14 on a side surface of the flexible display screen. The flexible display screen is fixed on the supporting device by a conductive adhesive. As shown in FIG. 9, the boss 13 is located at the opposite third end portion 123 and the fourth end portion 124 of the supporting device 12, and the supporting block 14 Located in the region between the third end 123 and the fourth end 124 of the support device 12. The support block 14 can be used to help the boss 13 support the flexible display screen while at the same time ensuring the elastic space of the flexible display screen.

Optionally, as shown in FIG. 10, the side of the flexible display screen 11 fixed to the support device 12 includes a flexible circuit board and a component 112 electrically connected to the flexible circuit board. The flexible circuit board is used to implement a line connection of a display panel, and the component realizes signal transmission to the flexible display screen through the flexible circuit board. The components of the flexible circuit board include circuit components, IC chips, memories, power supplies, external ports, switches, data ports, and communication antennas. The memory includes a RAM, a ROM, and the like. The display unit can be powered by the built-in power supply or externally via an external port. The communication antenna guarantees external communication. The data port includes wired and wireless modes, and can be USB, HDMI, infrared, and Bluetooth.

The flexible circuit component 122 of the flexible display screen may be embedded between the flexible display screen 11 and the support device 12 for further support by the thickness of the conductive adhesive, or may be fitted to the support block 14 of the support device 12 as shown in FIG. Between these, the flexible display screen is placed on the boss 13 of the support device 12, and further protection of the components of the flexible circuit is achieved by the support block. And by setting the connection line of the components of the flexible circuit, it is possible to set a switch button or the like on the support device, and to match the softness. The sexual display (which may be a touch screen) enables operational control of the flexible display device.

Optionally, the flexible display screen comprises a gravity sensor, a sensor, and a communication module. The flexible display can position the display area through a gravity sensor and a sensor (which can be a gyro azimuth sensor) to ensure that the display time of the display is oriented toward the viewing direction without manual rotation. And the gravity sensor can also determine the working state of the display device according to the gesture action. When in a casual state, the flexible display can display different images or colors, like wearing a ring-shaped ornament to improve autonomy and aesthetics. When display is required, it can be controlled only by partial display by controlling the touch screen. For example, by sensor control, the central normal of the display area is parallel to the observer's observed normal, so that the working area is always maintained at the optimal viewing position. It can also make the display spread out and the flat panel display. The communication module is mainly used to implement communication functions.

It should be noted that the flexible display device may also integrate other functional modules to implement other functions. For example, the flexible display device may also integrate a counter (pulse counter, running counter, etc.). The above embodiments are shown by way of illustration only, and the invention is not limited thereto.

Optionally, the flexible display screen is a touch screen. The flexible display screen can control the display of the flexible display screen by touch, making the use of the flexible display device simpler.

A flexible display device provided by an embodiment of the present invention, by fixing the flexible display device to a support device, when the support device is normally deployed, the flexible display screen can normally realize a flat display; when the first end of the support device is The second end portion is fixedly connected, and the supporting device is annular, which can be worn on the human body, and the flexible display device can also realize display and become an ornament.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the scope of the invention, and various changes and modifications may be made without departing from the spirit and scope of the invention. Variations and modifications, as well as equivalent technical solutions, are also intended to fall within the scope of the invention, and the scope of the invention is defined by the claims.

The present application claims priority to Chinese Patent Application No. 201410221856.1, filed on May 23, 2014, which is incorporated herein by reference.

Claims

A flexible display device comprising a flexible display screen and a support device, the flexible display screen being fixed to the support device, the support device comprising opposite first and second ends, the support device being bendable And the first end portion and the second end portion of the supporting device are connectable and fixed to each other.
The flexible display device of claim 1, wherein the displayable area of the flexible display screen is substantially the same as the surface area of the support device after the bending connection is fixed.
The flexible display device according to claim 1 or 2, wherein said first end portion and said second end portion of said supporting device are respectively provided with a convex surface and a cut surface, said convex surface being conformable to said cut surface And a part of the flexible display screen is fixed on the convex surface.
The flexible display device according to claim 3, wherein said convex surface and said cut surface are bonded by magnetic attraction.
The flexible display device according to any one of claims 1 to 4, wherein the first end portion and the second end portion of the supporting device are respectively provided with a hook and a card slot through the hook and the hook The card slot connects the first end portion and the second end portion to each other.
The flexible display device according to claim 5, wherein the card slot is disposed on the cut surface, and the hook is located inside the convex surface.
The flexible display device according to claim 5 or 6, wherein the hook is a retractable hook.
The flexible display device according to any one of claims 1 to 7, wherein the flexible display screen is fixed to the supporting device by a thermal conductive adhesive.
A flexible display device according to any one of claims 1-8, wherein a thermally conductive aluminum foil strip is further disposed between the flexible display screen and the support device.
A flexible display device according to any one of claims 1 to 9, wherein said support device further comprises opposite third and fourth ends, which are disposed at said third end and said fourth end There is a boss for supporting the flexible display.
The flexible display device according to any one of claims 1 to 10, wherein the supporting device is provided with a plurality of supporting blocks on a side surface fixed to the flexible display screen.
The flexible display device of claim 1 wherein said flexible display screen The fixed side of the support device is provided with a flexible circuit board and components electrically connected to the flexible circuit board.
A flexible display device according to any one of claims 1 to 12, wherein the flexible display screen comprises a gravity sensor, a sensor, and a communication module.
A flexible display device according to any one of claims 1 to 13, wherein the flexible display screen is a touch screen.