CN102346586B - Flexible display device and method for preventing false touches thereof - Google Patents

Abstract

A flexible display device includes: a base, a flexible display, a detection unit and a control unit; the flexible display is provided with a touch unit and can be stretched or stored at one side of the base; the detection unit is used for detecting the use state of the flexible display; the control unit controls the operation function of the touch unit according to the detection result of the detection unit. Therefore, the touch control unit can be prevented from generating misoperation.

Description

Flexible display device and method for preventing false touches thereof

technical field

The invention relates to a display device, in particular to a display device with a flexible display and touch input and a method for preventing false touches thereof.

Background technique

Under the development trend of the existing portable electronic devices that emphasize lightness, thinness and shortness, the size must conform to the principle of portability, and the size of the display panel used for displaying the device itself is relatively smaller. However, the display size is too small and does not Not conducive to viewing by users.

In addition, existing flexible display technologies can be divided into liquid crystal display technologies such as cholesteric liquid crystal (ChLCD) and bistable state, organic electroluminescent diode (OLED) display technology, and electronic paper display technology. With the continuous development of these technologies, related electronic products have gradually been introduced to use these technologies.

In addition, the current touch input technology is also gradually used in various electronic devices. This technology can reduce the number of buttons on the electronic device itself, and can make the device have more space for setting a larger display size.

Therefore, for the above several technologies, there are currently related electronic products that are integrated so that these technologies can be used simultaneously. This type of electronic device is mainly provided with a flexible display that can be bent and folded, and provides a touch input function on the flexible display. Therefore, the device itself can have the technical characteristics of small space, large display screen and touch input, but this device is relatively prone to unnecessary malfunctions. For example, when the flexible display is stored, the flexible display itself may interact with each other. Touching or coming into contact with other objects will generate touch input that does not operate normally.

Contents of the invention

The invention provides a flexible display device and a false touch prevention method thereof, so that the flexible display device can avoid a touch input of abnormal operation.

According to an embodiment of the present invention, a flexible display device is provided, including: a base, a flexible display, a detection unit and a control unit. The flexible display is coupled to the base and has a touch unit. The detection unit is used to detect the use state of the flexible display. The control unit is arranged in the base and coupled to the detection unit, and controls the operation function of the touch unit according to the detection result of the detection unit;

The detection unit is used to detect whether the flexible display is deployed, and output a corresponding detection signal to the control unit according to the detection result, so that the control unit can decide to activate or deactivate the flexible display according to the detection signal. The operation function of the touch unit.

According to another embodiment of the present invention, a method for preventing false touch of a flexible display device is provided, the flexible display device includes a base and a flexible display, and the flexible display has a touch The unit, the method includes: detecting the use status of the flexible display; and detecting whether the flexible display is used, and outputting a corresponding detection signal according to the detection result to determine whether to activate or deactivate the touch unit Operation function.

And when the detection result is that the flexible display is stored in the non-use state of the base, the operation function of the touch unit is turned off.

And when the detection result is that the flexible display is unfolded on the base, the operation function of the touch unit is activated.

Therefore, through the above-mentioned technical solution, the present invention will have the following effects: it can be determined to relatively activate or deactivate the touch input function on the flexible display according to the real use state of the flexible display, thus effectively avoiding the The false action caused by the false touch during the storage process of the display can save the power of the device itself without affecting the normal touch input.

The above summary, the following detailed description and the accompanying drawings are all for the purpose of further explaining the ways, means and effects of the present invention. Other purposes and advantages of the present invention will be described in the subsequent specification and drawings.

Description of drawings

FIG. 1A is an expanded schematic view of a flexible display device according to a first embodiment of the present invention;

FIG. 1B is a schematic diagram of the storage of the flexible display device according to the first embodiment of the present invention;

2 is a functional block diagram of a flexible display device according to a first embodiment of the present invention;

FIG. 3 is a flowchart of false touch prevention of the flexible display device according to the second embodiment of the present invention;

FIG. 4A is an expanded schematic diagram of a flexible display device according to a third embodiment of the present invention;

4B is a schematic diagram of storage of the flexible display device according to the third embodiment of the present invention;

FIG. 5A is an expanded schematic diagram of a flexible display device according to a fourth embodiment of the present invention; and

FIG. 5B is a schematic view of the storage of the flexible display device according to the fourth embodiment of the present invention.

[Description of reference signs of main components]

1, 2, 3 Flexible display devices

10 control unit

11 base

13, 13a, 13b Flexible displays

14 scroll bar unit

15 Touch unit

16 memory cells

17, 17a, 17b detection unit

173, 175 Light detectors

171 Optical Transmitters

177 grating

18 key unit

19 power module

S301～S311 flowchart step description

detailed description

The invention provides a flexible display device. The device has a display that can be expanded or stored by a user, and the surface of the display provides an operation function of touch input. The present invention provides a detection mechanism to determine whether the touch input is a normal input action or an error input action in order to prevent the touch input of the display from generating false actions, and can relatively control the touch input according to the detection result. Whether the function of the control input is turned on or off.

Please refer to FIG. 1A and FIG. 1B , which are respectively schematic diagrams of unfolding and storage of the flexible display device according to the first embodiment of the present invention. The flexible display device 1 has a base 11 (base) and a flexible display module 13 (flexible display module), and the flexible display 13 is coupled to the base 11, and the flexible display 13 can be as As shown in FIG. 1A , it is deployed on the side of the base 11 , or is stored on the side of the base 11 as shown in FIG. 1B .

The flexible display 13 is stored in a folding manner. For example, the flexible display 13 is divided into two parts and folded in half, but it can also be divided into several equal parts and folded. The flexible display 13 may be an electronic display using soft display technology, such as an electronic paper display. In addition, a touch unit 15 is provided on the display surface of the flexible display 13 for user touch input, and the touch unit 15 can also be bent with the flexible display 13, and the base 11 is A key unit 18 may be provided for manipulation by the user.

In FIG. 1A, a detection unit 17 is set to detect whether the use state of the flexible display 13 is unfolded or stored. The detection unit 17 can be installed in the flexible display 13 or the base 11. The unfolded or stored relative position of the flexible display 13 is detected. For example, the detection unit 17 in FIG. 1A may include a light emitter 171 and a light detector 173, and the light emitter 171 and the light detector 173 are respectively arranged on opposite sides of the flexible display 13. On both sides, and when the flexible display 13 is folded and stored, the light detector 173 can detect the light emission signal output by the light emitter 171 .

In addition, the light emitter 171 and the light detector 173 can also be adjacently arranged on the same side of the flexible display 13. When the flexible display 13 is stored in a folded manner, the light emitter 171 The output light emission signal can also be reflected to the light detector 173 through the flexible display 13 or the base 11 .

Please refer to FIG. 2 , which is a functional block diagram of the flexible display device according to the first embodiment of the present invention, and please refer to FIG. 1A and FIG. 1B together. The flexible display device 1 includes a control unit 10 , a flexible display 13 , a touch unit 15 , a detection unit 17 , a button unit 18 , a memory unit 16 and a power module 19 .

The control unit 10 is disposed in the base 11 and provides processing and computing functions to control various operations of the flexible display device 1 .

The flexible display 13 displays picture information according to the control of the control unit 10 , and the display data of the flexible display 13 is stored in the memory unit 16 .

The touch unit 15 relatively generates a touch input signal to the control unit 10 according to a touch input action, so that the control unit 10 can perform subsequent processing according to the touch input signal. The touch unit 15 is composed of a touch panel and a contact position determination circuit. Since this part of the technical content belongs to the known technology, it will not be described in detail here.

The key unit 18 can input a key signal to the control unit 10, so that the control unit 10 performs subsequent processing according to the key signal.

The detection unit 17 is used to detect whether the flexible display 13 is deployed, and output a corresponding detection signal to the control unit 10 according to the detection result, so that the control unit 10 can decide to start the display according to the detection signal. Or close the operation function of the touch unit 15 .

The power module 19 provides the power supply required for the internal operation of the flexible display device 1 .

Since the flexible display 13 must be unfolded to display screen information during normal use, the touch unit 15 at this time must provide normal touch input. Therefore, the control unit 10 can know whether the use status of the flexible display 13 is unfolded or stored according to the detection result of the detection unit 17 . For example, when the flexible display 13 is in the unfolded state of use, the control unit 10 will control the operation function of the touch unit 15 to be in the open state when learning the result through the detection unit 17; otherwise, when the flexible display 13 When it is in the stored unused state, when the control unit 10 learns the result through the detection unit 17 , it will relatively control the operation function of the touch unit 15 to be in the off state.

Therefore, through the above-mentioned control method of the control unit 10, when the flexible display 13 is stored and not in use, the operation function of the touch unit 15 is turned off, which can effectively avoid malfunction of the touch unit 15 and save power.

Please refer to FIG. 3 , which is a flow chart of the false touch prevention of the flexible display device according to the second embodiment of the present invention, and please refer to the aforementioned FIGS. 1A , 1B and 2 in conjunction.

When the flexible display device 1 is powered on, a corresponding function operation can be performed according to an input operation of the user (S301); and the corresponding screen information can be displayed through the flexible display 13 (S303).

Then determine the use state of the flexible display 13 (S305); the determination method here is to determine whether the flexible display 13 is in the unfolded use state or the stored non-use state. For example, the control unit 10 can know the use state of the flexible display 13 according to the detection result of the detection unit 17 .

When the determination in S305 is yes, which means that the flexible display 13 is in the unfolded use state at this time, the control unit 10 controls the touch function of the touch unit 15 to be in an on state (S307).

When the determination in S305 is negative, which means that the flexible display 13 is in a stored and unused state at this time, the control unit 10 controls the touch function of the touch unit 15 to be in an off state (S309).

After S307 or S309, continue to judge whether the flexible display device 1 is powered off (S311), if it is judged yes, then end this process; if it judges no, go back to S301 and repeat.

Moreover, when the above step S309 is executed, the screen information displayed on the flexible display 13 can also be recorded at the same time, so that the display screen can be restored to the original display screen when the touch function is turned off for subsequent operations.

In the flow chart of FIG. 3 above, the flexible display device 1 can be, for example, an e-book reading device or a multimedia electronic device. The execution sequence of the above-mentioned steps is also an example, because those skilled in the art can make equivalent adjustments to the above-mentioned method flow according to the spirit disclosed in the present invention.

The technical features of the present invention have been fully described through the above description, but the arrangement of the detection unit 17 of the present invention is not limited to the manner shown in FIGS. 1A and 1B. The following will continue to provide several different embodiments. practice.

Please refer to FIG. 4A and FIG. 4B , the flexible display 13 a of the flexible display device 2 is unfolded or stored through the scroll bar unit 14 . One side of the flexible display 13 is pivotally connected with a scroll bar unit 14 and coupled with the internal circuit of the base 11 , and the scroll bar unit 14 is used for winding the flexible display 13 a. Therefore, when the flexible display 13a is in use, it can be pulled from the scroll bar unit 14 out of the base 11 , that is, the flexible display 13a is in an unfolded state as shown in FIG. 4A . And when the flexible display 13a is not in use, it can be rolled up into the base 11 by the scroll bar unit 14, that is, the flexible display 13a is stored in a non-use state as shown in FIG. 4B.

4A and 4B, the detection unit 17a can be, for example, a light sensing module disposed on one side of the scroll bar unit 14, and the light sensing module can include a photodetector 175 and a grating 177, and the grating 177 can rotate synchronously with the scroll bar unit 14, and the light detector 175 detects the rotation direction and the number of rotations of the grating 177 to know whether the flexible display 13a is pulled out of the base 11 or Rolled up in the base 11.

Please refer to FIG. 5A and FIG. 5B , the flexible display 13 b of the flexible display device 3 is stored on one side of the base 11 by rolling. The flexible display 13b is pivotally connected to one side of the base 11. When the flexible display 13b is in use, it is unfolded outside the base 11, as shown in FIG. 5A. When the flexible display 13b is not in use, it can be Directly wrap the flexible display 13 b around the periphery of the base 11 and fix it on the periphery of the base 11 by pasting, as shown in FIG. 4B .

Therefore, for FIG. 5A and FIG. 5B , the detection unit 17 b can be, for example, a position where a touch switch is disposed on the surface of the base 11 and can be in contact with the flexible display 13 b when it is not in use. Therefore, when the touch switch touches the flexible display 13b, it means that the flexible display 13b is in a state of storage and not in use; otherwise, when the touch switch does not touch the flexible display 13b, it means It shows that the flexible display 13b is in the state of unfolding and using at this time.

In the above-mentioned embodiments of FIG. 4A, FIG. 4B and FIG. 5A, FIG. 5B, when the control unit 10 inside the base 11 knows the detection unit 17a. The detection result of 17b and its subsequent control method on the touch unit 15 are the same as those in the aforementioned embodiments of FIG. 1A and FIG. 1B , so details will not be repeated here.

In addition, the detection methods of the various detection units disclosed above can also be mixed and matched with each other or used independently according to the flexible displays in different storage methods, and are not limited to the descriptions of the above-mentioned various embodiments. The result can be more correct.

Therefore, through the above-mentioned embodiments, the flexible display device and its anti-mis-touch method provided by the present invention can indeed avoid the misoperation of the touch unit provided on the flexible display, and can provide better saving. electric effect.

However, the drawings and descriptions disclosed above are only embodiments of the present invention, and those skilled in the art can make other various improvements based on the above descriptions, and these changes still belong to the spirit of the invention and claims of the present invention. within the defined scope of protection.

Claims (4)

1. A flexible display device, comprising: a base; A flexible display coupled to the base, and a touch unit is provided on the display surface of the flexible display for touch input; a detection unit for detecting the use state of the flexible display; and a control unit, arranged in the base and coupled to the detection unit, the control unit controls the operation function of the touch unit according to the detection result of the detection unit; The detection unit is used to detect whether the flexible display is deployed, and output a corresponding detection signal to the control unit according to the detection result, so that the control unit can decide to activate or deactivate the flexible display according to the detection signal. The operation function of the touch unit, Wherein when the detection unit detects that the flexible display is in the stored non-use state, the control unit closes the operation function of the touch unit to avoid malfunction of the touch unit; Wherein when the detection unit detects that the flexible display is unfolded, the control unit activates the operation function of the touch unit, Wherein the detection unit includes a light emitter and a light detector, and when the light detector detects a light emission signal output by the light emitter, the control unit closes the operation function of the touch unit. 2. The flexible display device according to claim 1, wherein the light emitter and the light detector are disposed on the flexible display, and the light detector is disposed at the When the flexible display is stored, it can receive the light emitting signal output by the light emitter. 3. A flexible display device, comprising: a base; A flexible display coupled to the base, and a touch unit is provided on the display surface of the flexible display for touch input; a detection unit for detecting the use state of the flexible display; and a control unit, arranged in the base and coupled to the detection unit, the control unit controls the operation function of the touch unit according to the detection result of the detection unit; The detection unit is used to detect whether the flexible display is deployed, and output a corresponding detection signal to the control unit according to the detection result, so that the control unit can decide to activate or deactivate the flexible display according to the detection signal. The operation function of the touch unit, Wherein when the detection unit detects that the flexible display is in the stored non-use state, the control unit closes the operation function of the touch unit to avoid malfunction of the touch unit; Wherein when the detection unit detects that the flexible display is unfolded, the control unit activates the operation function of the touch unit, Wherein the detection unit is a touch switch, and the position of the touch switch is a position where the flexible display can be in contact with the touch switch when it is stored. 4. A flexible display device, comprising: a base; A flexible display coupled to the base, and a touch unit is provided on the display surface of the flexible display for touch input; a detection unit for detecting the use state of the flexible display; and a control unit, arranged in the base and coupled to the detection unit, the control unit controls the operation function of the touch unit according to the detection result of the detection unit; The detection unit is used to detect whether the flexible display is deployed, and output a corresponding detection signal to the control unit according to the detection result, so that the control unit can decide to activate or deactivate the flexible display according to the detection signal. The operation function of the touch unit, Wherein when the detection unit detects that the flexible display is in the stored non-use state, the control unit closes the operation function of the touch unit to avoid malfunction of the touch unit; Wherein when the detection unit detects that the flexible display is unfolded, the control unit activates the operation function of the touch unit, Wherein the detection unit includes a light detector and a grating, and the grating can rotate synchronously with a scroll bar unit rolled up by the flexible display, and the light detector detects the rotation direction of the grating and the number of rotations to know whether the flexible display is drawn out of the base or folded in the base.