CN205788198U - Electronic paper display device - Google Patents

Abstract

The utility model provides an electronic paper display device, including a memory cell, a control unit, a wireless communication module, an electronic paper display element and an authentication unit. The storage unit at least stores identification warning information. The control unit is electrically connected with the storage unit. The wireless communication module is electrically connected with the control unit and comprises a satellite positioning receiving unit. The satellite positioning receiving unit receives the current satellite positioning information of an electronic paper display device. The electronic paper display unit is electrically connected with the control unit and displays the identification warning information and the satellite positioning information generated according to the satellite positioning signal. The authentication unit is at least electrically connected with the control unit and receives authentication identification information. When the authentication identification information passes the authentication of the authentication unit, the control unit updates the display information of the electronic paper display unit.

Description

Electronic Paper Display Device

technical field

The utility model relates to an electronic paper display device, in particular to an electronic paper display device which can update displayed information only after passing authentication.

Background technique

Electronic paper (Electronic Paper) has the visual impression of imitating paper printing and writing, and its power consumption is extremely small. Electronic paper is different from ordinary flat-panel displays such as LCDs that require a backlight module to emit light or a self-illuminating light source to achieve a display function, that is, it has a display function without a backlight module or a self-illuminating light source. Just like ordinary paper, electronic paper relies on ambient light to illuminate, so it is more comfortable to read, and the displayed image is still clearly visible in sunlight. In addition, the viewing angle is extremely wide, and its contrast ratio is much higher than other display technologies. , roughly the same effect as newspaper printing. Therefore, many manufacturers are currently investing in the research and development of electronic paper display devices. In addition, electronic paper can also be applied to electronic labels, bus timetables, electronic bulletin boards, mobile phone screens, e-book readers, or wearable electronic devices. .

As the application of electronic paper is becoming more and more widespread, in recent years, it has been further applied to electronic paper display devices such as wearable devices or portable electronic devices. Since these products are becoming lighter, thinner and smaller, they are easy to lose and difficult to find, so it is easy to Cause economic losses to users, leakage of personal data or confidential data.

In view of this, how to provide an electronic paper display device that has an electronic paper display function and can be easily retrieved when lost has become a very important issue.

Utility model content

In view of this, the main purpose of the present utility model is to provide an electronic paper display device that can update the displayed information after passing the authentication, even if the electronic paper display device is lost, the security level of the electronic paper display device can still be maintained , thereby increasing the chances of return.

To achieve the above purpose, the utility model provides an electronic paper display device, which includes a storage unit, a control unit, a wireless communication module, an electronic paper display unit, and an authentication unit. The storage unit stores at least one identification warning information. The control unit is electrically connected to the storage unit. The wireless communication module is electrically connected to the control unit, which includes a satellite positioning receiving unit. The satellite positioning receiving unit receives a current satellite positioning signal of the electronic paper display device. The electronic paper display unit is electrically connected to the control unit, and displays identification warning information and satellite positioning information generated according to the satellite positioning signal. The authentication unit is at least electrically connected to the control unit, and receives authentication identification information. Wherein, when the authentication identification information passes the authentication of the authentication unit, the control unit updates the display information of the electronic paper display unit.

In one embodiment, the electronic paper display device includes a smart phone, a tablet computer, an e-book, a notebook computer, or a wearable electronic device.

In one embodiment, the electronic paper display device further includes a power unit. The power unit is at least electrically connected to the control unit. Moreover, when the power unit stops supplying power, the electronic paper display unit continues to display identification warning information and satellite positioning information.

In an embodiment, the wireless communication module further includes a wireless transmission unit. The wireless transmission unit is electrically connected to the control unit, and the control unit controls the wireless transmission unit to send the satellite positioning signal of the location of the electronic paper display device.

In one embodiment, the control unit controls the wireless transmission unit to continuously transmit the satellite positioning signal of the location of the electronic paper display device at a fixed time interval.

In one embodiment, the authentication identification information passes the authentication of the authentication unit, so that the wireless transmission unit stops sending the satellite positioning signal of the location of the electronic paper display device.

In an embodiment, the authentication identification information is password authentication information or biometric information.

In one embodiment, the control unit is used to control the storage unit to continuously record the satellite positioning information of the electronic paper display device.

To sum up, the electronic paper display device of the present invention can only update the displayed information after passing the authentication. That is, when the electronic paper display unit has displayed the identification warning information and the satellite positioning information generated according to the satellite positioning signal, the control unit cannot make the electronic paper display unit update the display information accordingly before passing the authentication of the authentication unit; The information displayed on the paper display unit cannot be overwritten and changed by others at this time. Therefore, even when the electronic paper display device is lost, the security level of the electronic paper display device can still be maintained, thereby increasing the probability of return.

Description of drawings

FIG. 1A is a schematic diagram of an electronic paper display device according to a preferred embodiment of the present invention;

FIG. 1B is a schematic diagram of the back of the electronic paper display device in FIG. 1A;

FIG. 2 is a schematic diagram of the system of the electronic paper display device of FIG. 1A;

3 is a schematic diagram of displaying information and sending signals of the electronic paper display device in FIG. 1B;

FIG. 4 is a schematic diagram of another electronic paper display device according to a preferred embodiment of the present invention.

detailed description

An electronic paper display device according to a preferred embodiment of the present invention will be described below with reference to related drawings, wherein the same components will be described with the same reference symbols.

Please refer to FIG. 1A to FIG. 2 . FIG. 1A is a schematic diagram of an electronic paper display device according to a preferred embodiment of the present invention. FIG. 1B is a schematic diagram of the back of the electronic paper display device in FIG. 1A . FIG. 2 is a schematic diagram of the system of the electronic paper display device in FIG. 1A . The electronic paper display device 1 can be a portable electronic device (such as a smart phone, a tablet computer, an e-book, a notebook computer) or a wearable electronic device (such as an identification card). In this embodiment, the electronic paper display device 1 is taken as an example of a smart phone for the following description.

The electronic paper display device 1 provided in this embodiment includes a main body 10 , a backlight display unit 11 , an electronic paper display unit 13 , a control unit 14 , a power unit 15 , a wireless communication module 16 , a storage unit 17 , and an authentication unit 19 . The control unit 14 also includes a power detection circuit 141 . The main body 10 includes a first housing 101 and a second housing 102 , and the first housing 101 and the second housing 102 are disposed opposite to each other and jointly form an accommodating space. The backlight display unit 11 is disposed on the first housing 101 , and the electronic paper display unit 13 is disposed on the second housing 102 opposite to the first housing 101 . In this embodiment, the backlight display unit 11 refers to a display unit including a backlight module, such as a liquid crystal (LCD) display unit. In addition, in another embodiment, the backlight display unit 11 can also be replaced by a self-illuminating display unit (such as a light emitting diode display unit) 11'. For the convenience of description, the side of the electronic paper display device 1 provided with the backlight display unit 11 is referred to as the front side, and the side provided with the electronic paper display unit 13 is referred to as the rear side in the present embodiment. In addition, in other embodiments (such as e-books, wearable electronic devices, or identification cards, etc.), the electronic paper display device 1 may not be provided with a backlight display unit 11, but only an electronic paper display unit 13 is provided. There are no restrictions on this.

The storage unit 17 at least stores identification warning information 131 and/or satellite positioning information 132 (as shown in FIG. 3 ). The identification warning information 131 can be prompt or warning information (such as prompt or warning slogan), basic personnel information (such as contact number, address or name) and/or product identification information of the electronic paper display device 1 (such as product identification code, date of manufacture, date of warranty, or place of delivery for repairs, etc.). The identification warning information 131 can also be input and set by the user, which is not limited in the present invention. The storage unit 17 is also used to store other display information (for example, e-book information, picture information, etc.).

The control unit 14 is electrically connected to the storage unit 17, and at least includes a central processor (Central Processor) or a microcontroller (Micro Controller), and the power detection circuit 141 can be a power management chip (Power Management IC) for The power of the power unit 15 is detected, and the power of the power unit 15 is adjusted and distributed to other components. The control unit 14 can load the identification warning information 131 and other display information in the storage unit 17 to the electronic paper display unit 13 .

The wireless communication module 16 includes a wireless transmission unit 161 and a satellite positioning receiving unit 162 . The satellite positioning receiving unit 162 receives a current satellite positioning signal of the electronic paper display device 1 . The wireless transmission unit 161 is used for sending signals loaded from the control unit 14 . In other embodiments, the wireless communication module 16 , the storage unit 17 and/or the authentication unit 19 may also be individually or together integrated into the control unit 14 , and the present invention is not limited thereto.

The satellite positioning receiving unit 162 receives the current satellite positioning signal of the electronic paper display device 1 (such as a signal sent by a geostationary satellite of the global positioning system), and provides the current satellite positioning signal of the electronic paper display device 1 to the control unit 14 . And the control unit 14 can calculate the satellite positioning information 132 including the current physical location (that is, the location, such as longitude and latitude) of the electronic paper display device 1 according to the satellite positioning signal, and load the satellite positioning information 132 into the electronic paper display unit 13 to make the electronic paper display unit 13 display the satellite positioning information 132 corresponding to the satellite positioning signal received by the satellite positioning receiving unit 162 (as shown in FIG. 3 ). In addition, after the control unit 14 calculates the satellite positioning information 132 including the current physical location of the electronic paper display device 1 according to the satellite positioning signal received by the satellite positioning receiving unit 162, it is not necessary to directly load the information to the electronic paper for display immediately. The unit 13 and the control unit 14 can also store the satellite positioning information 132 in the storage unit 17 first, and then the control unit 14 controls the satellite positioning information 132 to be loaded into the electronic paper display unit 13 according to the following control method. In addition, the control unit 14 can also control the storage unit 17 to continuously record the satellite positioning information 132 corresponding to the satellite positioning signal received by the satellite positioning receiving unit 162 . That is, the control unit 14 controls the storage unit 17 to continuously record the movement track of the electronic paper display device 1 .

In this embodiment, the satellite positioning signal refers to a satellite signal sent from a synchronous satellite of the global positioning system, or a satellite signal sent by a wireless transmission unit that represents the current location of the electronic paper display device 1 or a physical location that has appeared before (such as longitude and latitude) ) signal of information. The satellite positioning information in this embodiment refers to the information representing the current location of the electronic paper display device 1 or the physical location (such as longitude and latitude) calculated by the control unit 14 according to the satellite positioning signal.

Please refer to FIG. 2 and FIG. 3 . FIG. 3 is a schematic diagram of displaying information and sending signals of the electronic paper display device in FIG. 1B . The electronic paper display unit 13 is electrically connected to the control unit 14 and displays identification warning information 131 and satellite positioning information 132 generated according to the satellite positioning signal. In this embodiment, the electronic paper display unit 13 refers to a display unit using bistable display technology, that is, the display unit can maintain the same display screen without applying voltage, and only when the screen display information needs to be replaced , it is necessary to supply voltage. Therefore, its power consumption is low, requiring only relatively low power to display the specified information. In this embodiment, the electronic paper display unit 13 may adopt display technologies such as electrophoresis (such as microcapsule electrophoresis or microcup electrophoresis), electronic powder fluid, cholesteric liquid crystal, bistable nematic liquid crystal, or electrowetting. In addition, when the power unit 15 stops supplying power, the electronic paper display unit 13 continues to display the identification warning information 131 and the satellite positioning information 132 .

In addition, the control unit 14, the power unit 15, the wireless communication module 16, the storage unit 17 and the authentication unit 19 can be arranged on a circuit board (not shown), and the circuit board is arranged on the first housing 101 and the second housing 101. In the accommodation space jointly formed by the casings 102 . The power unit 15 is at least electrically connected to the power detection circuit 141 of the control unit 14 . The wireless transmission unit 161 of the wireless communication module 16 and the satellite positioning receiving unit 162 , the backlight display unit 11 , the electronic paper display unit 13 , the storage unit 17 and the authentication unit 19 are respectively electrically connected to the control unit 14 .

The authentication unit 19 in this embodiment is at least electrically connected to the control unit 14 and receives authentication identification information input by the user. When the authentication identification information is authenticated by the authentication unit 19 , the authentication unit 19 will send a message to notify the control unit 14 . At this time, the control unit 14 has loaded the satellite positioning information 132 and the identification warning information 131 into the electronic paper display unit 13, so that the electronic paper display unit 13 displays the identification warning information 131 and the satellite positioning information 132 generated according to the satellite positioning signal. Therefore, the control unit 14 can update the display information (satellite positioning information 132 and identification warning information 131 ) displayed on the electronic paper display unit 13 only after the authentication identification information is authenticated by the authentication unit 19 . Here, updating the display information displayed by the electronic paper display unit 13 can be to change the information content of the originally displayed identification warning information 131 and satellite positioning information 132, or to stop or close the electronic paper display unit 13 to make the electronic paper display The unit 13 does not display any identification warning information 131 and satellite positioning information 132 .

In addition, the authentication and identification information in this embodiment can be password authentication information input by the user, such as: English, digital password, or the user's biological data identification information, such as: fingerprints, iris, palm prints, facial features, etc. Biometric authentication information.

In addition to loading the identification warning data 131 and satellite positioning information 132 of the electronic paper display device 1 into the electronic paper display unit 13 so that the electronic paper display unit 13 displays the identification warning information 131 and satellite positioning information 132, the control unit 14 also controls the wireless transmission The unit 161 sends the satellite positioning signal of the location of the electronic paper display device 1 (the satellite positioning signal sent at this time refers to a signal with information representing the current location of the electronic paper display device 1 or the physical location information that has appeared in the past). In a preferred embodiment, the control unit 14 can control the wireless transmission unit 161 to continuously transmit the satellite positioning signal of the location of the electronic paper display device 1 and/or the identification warning information 131 at fixed time intervals.

The satellite positioning signal and/or identification warning information 131 of the electronic paper display device 1 sent by the wireless transmission unit 161 can be received by another electronic device C. Thus, the owner of the electronic paper display device 1 or others can know the current location of the electronic paper display device 1 or the physical location that has appeared at a certain point in time, so that all the electronic paper display devices 1 People or others can track the electronic paper display device 1 , increasing the chance of finding the electronic paper display device 1 .

In addition, the electronic device C can be a remote server, another mobile device (tablet or smart phone) or a personal computer (desktop computer or notebook computer); and the wireless transmission unit 161 sends identification warning information 131 and/or electronic paper The satellite positioning signal of the display device 1 can be sent to the electronic device C by sending emails, short messages, or SMS messages (such as LINE, WeChat, or Facebook messages) and the like.

Therefore, originally the identification warning information 131 and the satellite positioning information 132 will continue to be displayed on the electronic paper display unit 13 when the power unit 15 fails to supply power. In this way, even if the electronic paper display device 1 is picked up by a third person when the power supply is stopped, the person who finds the electronic paper display device 1 can still know the owner of the electronic paper display device 1 and its owner from the identification warning information 131 on the electronic paper display unit 13 . The contact method is convenient for the picker to contact the owner of the electronic paper display device 1 and return it; and the satellite positioning information 132 displayed on the electronic paper display unit 13 can also remind the picker that the owner of the electronic paper display device 1 or other people may The current location of the electronic paper display device 1 is known, reducing the incentive for the finder to occupy the electronic paper display device 1 .

In addition, since the control unit 14 will control the storage unit 17 to continuously record the movement track of the electronic paper display device 1, another satellite positioning signal of the electronic paper display device 1 resent by the wireless transmission unit 161 may also include the control unit 14 controlling the storage unit 17 The recorded movement track information of the electronic paper display device 1 . In this case, even if the physical position of the electronic paper display device 1 in any mode is different from the physical position of the previous mode (that is, the electronic paper display device 1 is moved), the physical position of the electronic paper display device 1 The owner or other people can also know the latest location of the electronic paper display device 1 .

However, in this embodiment, only when the authentication identification information is authenticated by the authentication unit 19, the control unit 14 can further control the wireless transmission unit 161 to stop sending the satellite positioning signal of the location of the electronic paper display device 1. Therefore, before the authentication identification information is authenticated by the authentication unit 19 , the wireless transmission unit 161 will still send or even continuously send the satellite positioning signal of the location of the electronic paper display device 1 at a fixed time interval. Therefore, even after the electronic paper display device is lost, the security level of the electronic paper display device can still be maintained, thereby increasing the probability of returning and being found.

The utility model also provides another preferred embodiment, which is still an electronic paper display device, please refer to FIG. 4 . As shown in the figure, the electronic paper display device 2 is made into an identification card, and is suitable for wearing on children, mentally handicapped patients, or elders with insufficient recognition ability or intellectual ability. The electronic paper display device 2 includes a main body, an electronic paper display unit 23 , a control unit, a power unit, a wireless communication module, and a storage unit. Compared with the electronic paper display device 1 shown in FIGS. 1A to 3 , the electronic paper display device 1 is an example of a smart phone, but the electronic paper display device 2 shown in FIG. A backlight display unit or a self-luminous display unit needs to be provided, and the other control units, power units, wireless communication modules, and storage units are connected with the control unit 14, power unit 15, wireless communication module 16, and storage units of the electronic paper display device 1. The connection relationship, detailed features and working modes of the units 17 are the same, and will not be repeated here. Therefore, also in this embodiment, the storage unit at least stores the identification warning information 231 . The control unit is electrically connected to the storage unit. The wireless communication module includes a satellite positioning receiving unit, and the satellite positioning receiving unit receives the current satellite positioning signal of the electronic paper display device 2 . The electronic paper display unit 23 is electrically connected to the control unit, and displays identification warning information 231 and satellite positioning information 232 generated according to the satellite positioning signal. The authentication unit is at least electrically connected to the control unit, and receives authentication identification information. Moreover, when the authentication identification information is authenticated by the authentication unit, the control unit updates the display information (identification warning information 231 and satellite positioning information 232 ) of the electronic paper display unit 23 . Thus, when a child wearing the electronic paper display device 2, a mentally handicapped patient, or an elderly person with insufficient recognition ability or intellectual ability gets lost or gets lost, other people can quickly learn the basic information and requirements of the wearer. who to contact. Moreover, the control unit cannot make the electronic paper display unit 23 update the display information accordingly before being authenticated by the authentication unit. As a result, the probability of being found by children wearing the electronic paper display device 2 , mentally handicapped patients, or elders with insufficient recognition ability or intellectual ability can be further improved.

To sum up, the electronic paper display device of the present invention can only update the displayed information after passing the authentication. That is, when the electronic paper display unit has displayed the identification warning information and the satellite positioning information generated according to the satellite positioning signal, the control unit cannot make the electronic paper display unit update the display information accordingly before passing the authentication of the authentication unit; The information displayed on the paper display unit cannot be overwritten and changed by others at this time. Therefore, even after the electronic paper display device is lost, the security level of the electronic paper display device can still be maintained, thereby increasing the probability of return.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. In a word, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims (8)

1. a display device of electronic paper, it is characterised in that including:

One memory element, at least stores an identification alarm information；

One control unit, electrically connects this memory element；

One wireless communication module, electrically connects this control unit, and it comprises a satellite fix and receives unit, and this satellite fix receives single Unit receives a current satellite positioning signal of this display device of electronic paper；

One E-paper display unit, electrically connects this control unit, and shows that this identification alarm information and one is according to this satellite Satellite positioning information produced by the signal of position；

One authentication ' unit, at least electrically connects this control unit, and receives a certification identification information；

Wherein, after this certification identification information is by the certification of this authentication ' unit, it is single that this control unit updates the display of this Electronic Paper The display information of unit.

Display device of electronic paper the most according to claim 1, it is characterised in that display device of electronic paper includes intelligent hands Machine, tablet PC, e-book, mobile computer or Wearable electronic installation.

Display device of electronic paper the most according to claim 1, it is characterised in that also include:

One power unit, is at least electrically connected to this control unit；

Wherein, when power unit stop supply electric power time, this E-paper display unit this identification alarm information continuously display and This satellite positioning information.

Display device of electronic paper the most according to claim 1, it is characterised in that this wireless communication module also includes that one is wireless Transmission unit, this wireless transmission unit electrically connects this control unit, and this control unit controls this wireless transmission unit and sends one The satellite positioning signal of this display device of electronic paper position.

Display device of electronic paper the most according to claim 4, it is characterised in that this control unit controls this and is wirelessly transferred list Unit persistently sends the satellite positioning signal of this display device of electronic paper position in a Fixed Time Interval.

6. according to the display device of electronic paper described in claim 4 or 5, it is characterised in that this certification identification information is recognized by this The certification of card unit, so that this wireless transmission unit stops sending this satellite fix letter of this display device of electronic paper position Number.

Display device of electronic paper the most according to claim 1, it is characterised in that this certification identification information is cipher authentication letter Breath or biological information.

Display device of electronic paper the most according to claim 1, it is characterised in that this control unit controls this memory element and holds Continuous this satellite positioning information recording this display device of electronic paper.