JP3241450U - Smartphone case with controllable ink display - Google Patents

Abstract

A smart phone case does not need to be provided with a battery or a USB data interface structure, effectively simplifying the structure of the smart phone case, reducing the overall weight of the smart phone case, making it easier to carry, and adapting the display pattern according to the user's needs. To provide a smart phone case with a controllable ink display that can be changed depending on the situation. A smartphone case having a controllable ink display including a smartphone case body 10, an NFC receiving coil 20, a circuit board 30 and an electronic ink display 40, wherein a display window 11 is opened in the smartphone case and the electronic ink display is mounted on the display window, the circuit board is electrically connected to the electronic ink display and the NFC receiving coil respectively, the NFC receiving coil receives the NFC magnetic field signal of the smart terminal, generates an electrical signal and transmits it to the circuit board be able to. [Selection drawing] Fig. 3

Description

TECHNICAL FIELD The present invention relates to the technical field of smart phone protective cases, and more particularly to smart phone cases with controllable ink displays.

In order to protect smartphones, protective cases for smartphones have been derived, and the protective cases for smartphones currently on the market have a single function, a fixed appearance pattern, and various appearances by users. unable to meet needs. Protective cases for smartphones with electronic ink displays developed on the current market use Bluetooth communication or USB data interface structure for communication, the former requires a battery, the latter has a plug-in port design that connects to the smartphone. The smartphone case has a thick exterior and is difficult to use. Therefore, the ink display type smartphone case cannot always be accepted by users in the market.

SUMMARY OF THE INVENTION The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention provides a smart phone case with a controllable ink display.

To solve the technical problem, the technical solution used in one embodiment of the present invention is a smart phone with a controllable ink display, including a smart phone case body, an NFC receiving coil, a circuit board and an electronic ink display. in the case
A display window is opened in the smartphone case, the electronic ink display is mounted on the display window, the circuit board is electrically connected to the electronic ink display and the NFC receiving coil, respectively, and the NFC receiving coil is connected to the smart terminal. A smart phone case with a controllable ink display that can receive NFC magnetic field signals and generate and transmit electrical signals to the circuit board.

Optionally, a fitting groove is provided on the smartphone case body, the display window is provided on one side of the fitting groove, and the electronic ink display is mounted in the fitting groove.

Optionally, a plurality of stopper notches are provided on an outer edge of the fitting groove, a plurality of stopper protrusions are provided on an outer edge of the electronic ink display, and the stopper protrusions fit into the stopper notches.

Optionally, said NFC receiving coil is provided on said circuit board.

Optionally, the NFC receiving coil and circuit board are provided above or below the electronic ink display.

Optionally, said NFC receiving coil and circuit board are provided on a side of said electronic ink display facing away from said viewing window.

Optionally, the NFC receiving coil and the circuit board are provided separately, the NFC receiving coil is provided on a side of the electronic ink display away from the display window, and the circuit board is connected to the electronic ink display. provided above or below the

Optionally, said viewing window is made of a light transmissive material.

Optionally, the display window is provided protruding from the smartphone case main body, or the display window is provided flush with the smartphone case main body.

Optionally, the smartphone case with the controllable ink display further comprises a heat insulating protective film adhered to the inside of the smartphone case body, wherein the NFC receiving coil, the circuit board and the electronic ink display are connected with the smartphone case body. It is provided between the heat insulating protective film.

An electronic ink display is generally composed of two substrates, on which an electronic ink consisting of countless microscopic transparent particles is applied, and the particles have a large number of positively and negatively charged black and white particles inside. Formed hermetically in liquid microcapsules, an applied electric field causes charged particles of different colors to move in different directions, exhibiting a black or white effect on the surface of the display. This allows black and white patterns and characters like printed matter to be displayed. A great feature of electronic ink displays is that the screen can still remain on the display after the power is turned off, thus saving a lot of power. Therefore, the pattern of the electronic ink display can be changed only by temporarily controlling the connection of the power supply circuit.

When the smart phone case is fitted on the outside of a smart terminal such as a smart phone, the NFC module of the smart terminal can generate a magnetic field signal with corresponding pattern data information. By receiving the NFC magnetic field signal, the NFC receiving coil of the smartphone case can generate an electric signal such as an induced current and transmit it to the circuit board, and the circuit board receives the pattern information in the NFC magnetic field signal by the image processing module. Upon recognition, the pattern of the electronic ink display is changed and displayed by the viewing window. The present invention effectively simplifies the structure of the smartphone case without the need to install a battery or USB data interface structure in the smartphone case, and the smartphone case with the electronic ink display has a reduced overall weight and is easy to carry. Also, the pattern of the electronic ink display can be changed according to the user's needs to meet the users' various needs for the appearance of the smart phone case.

In order to make the above objects, features and advantages of the present invention clearer and easier to understand, preferred embodiments are described in detail below in conjunction with the accompanying drawings.

The above and/or further aspects and advantages of the present invention will become apparent and comprehensible from the following description of embodiments accompanied by drawings, in which:
1 is a structural schematic diagram of a smartphone case with a controllable ink display according to an embodiment of the present invention; FIG. 2 is a schematic view of the smartphone case with controllable ink display in FIG. 1 at another viewing angle; FIG. 2 is an exploded view of the structure of the smartphone case with controllable ink display in FIG. 1; FIG. 1 is a cross-sectional view of a smart phone case with a controllable ink display according to an embodiment of the present invention; FIG.

This section describes in detail the specific embodiments of the present invention, and the preferred embodiments of the present invention are shown in the drawings. It plays a role in making the features and the overall technical solution intuitive and imaginative, but it cannot be understood as limiting the protection scope of the present invention.

In the description of the present invention, "plurality" means two or more, and "greater than", "less than", "greater than", etc. are understood not to include numbers, and "greater than", "less than or equal to" ”, “within”, etc. are understood to include numbers. "First" and "second", when mentioned, are for the sole purpose of distinguishing technical features and indicate or imply their relative importance or imply the number of technical features indicated. It cannot be understood unless it is explicitly shown.

In addition, in the explanation of the present invention, when it relates to the explanation of orientation, for example, the orientation or positional relationship indicated by "up", "down", "front", "back", "left", "right" etc. The orientation or positional relationship shown based on the drawings is for convenience and simplification of explanation of the present invention only, and the device or element referred to has a specific orientation and is configured in a specific orientation. It should be understood that it is not intended to indicate or imply that it must be operated with and, therefore, is not a limitation of the present invention.

In the present invention, unless expressly limited otherwise, the terms "installation", "attachment", "connection", etc. should be understood broadly, e.g. It may be physically connected, fixedly connected, removably connected, integrally molded, mechanically connected, or the connection between the two elements may be fixed. It may be an internal communication or an interactive relationship between two elements. A person skilled in the art can reasonably understand the specific meaning of the above terms in the present invention according to the specific content of the technical solution.

Embodiment As shown in FIGS. 1 to 4, the present invention is a smartphone case with a controllable ink display, including a smartphone case body 10, an NFC receiving coil 20, a circuit board 30 and an electronic ink display 40, wherein:
A display window 11 is opened in the smartphone case, an electronic ink display 40 is attached to the display window 11, a circuit board 30 is electrically connected to the electronic ink display 40 and the NFC receiving coil 20 respectively, and the NFC receiving coil 20 is a smart terminal. provides a smart phone case with a controllable ink display that can receive the NFC magnetic field signal of , generate and transmit an electrical signal to the circuit board 30 .

An electronic ink display 40 generally consists of two substrates, on which an electronic ink consisting of countless microscopic transparent particles is applied, and the particles contain a large number of positively and negatively charged black and white particles inside. , and an applied electric field causes charged particles of different colors to move in different directions, exhibiting a black or white effect on the surface of the display. This allows black and white patterns and characters like printed matter to be displayed. A great feature of the electronic ink display 40 is that the screen can still remain on the display after the power is turned off, thus saving a lot of power. Therefore, the pattern of the electronic ink display 40 can be changed only by controlling the connection of the power supply circuit for a short period of time.

In the present invention, when the smart phone case is attached to the outside of a smart terminal such as a smart phone, the NFC module of the smart terminal can generate a magnetic field signal with corresponding pattern data information. By receiving the NFC magnetic field signal, the NFC receiving coil 20 of the smartphone case can generate an electric signal such as an induced current and transmit it to the circuit board 30, and the induced current can provide the circuit board 30 with an operating voltage. Meanwhile, the circuit board 30 uses the image processing module to recognize the pattern information in the NFC magnetic field signal, thereby changing the pattern of the electronic ink display 40 and displaying it through the display window 11 . The present invention does not require a battery or USB data interface structure in the smartphone case, effectively simplifying the structure of the smartphone case, and the smartphone case with the electronic ink display 40 has a reduced overall weight and is easy to carry. Also, the pattern of the electronic ink display 40 can be changed according to the user's needs to meet the user's various needs for the appearance of the smart phone case.

When specifically used, a smart control program such as an app of a smart terminal such as a smart phone selects a pattern or character that needs to be displayed on the electronic ink display 40. After completing the selection, the smart terminal such as a smart phone The NFC module generates an NFC magnetic field signal, transmits the corresponding pattern data information to the NFC magnetic field receiving coil, provides a temporary power circuit for the circuit board 30, and the electronic ink display 40 after recognition by the image processing module. Easy to operate by changing the image.

In this embodiment, the smartphone case body 10 is provided with a fitting groove 12 , a display window 11 is provided on one side of the fitting groove 12 , and an electronic ink display 40 is installed in the fitting groove 12 . By providing the fitting groove 12 corresponding to the display window 11 , it becomes easy to fit and attach the electronic ink display 40 to the smartphone case body 10 .

Specifically, a plurality of stopper notches 13 are provided on the outer edge of the fitting groove 12 , and a plurality of stopper protrusions 41 are provided on the outer edge of the electronic ink display 40 , and the stopper protrusions 41 fit into the stopper notches 13 . . By fitting the stopper projection 41 to the stopper notch 13 and attaching it, the electronic ink display 40 can be easily aligned and attached to the smartphone case body 10, and the attachment becomes stronger and less likely to shake or loosen. .

In some embodiments, the NFC receiving coil 20 is provided on the circuit board 30 . Since the NFC receiving coil 20 is provided on the circuit board 30 and integrally formed with the circuit board 30, it is easy to manufacture. can be effectively simplified, facilitating installation.

Depending on the smartphone, the location where the NFC module is installed differs. Some are installed at the top of the smartphone and close to the camera, while others are installed at the center or below the smartphone. Therefore, when arranging the NFC receiving coil 20, it is necessary to arrange various specifications according to the type of smartphone.

In some embodiments, the NFC module of the smart phone is located on the top or bottom, there is a space vertically offset or locally offset between the NFC module and the viewing window 11 of the smart phone case, the NFC receiving coil 20 and The circuit board 30 is provided above or below the electronic ink display 40 . Such an arrangement structure can effectively reduce the overall thickness of the smartphone case.

In some embodiments, the NFC module of the smart phone is located at the center or lower center of the smart phone, and the NFC module basically overlaps the display window 11 of the smart phone case, so that the NFC receiving coil 20 and the circuit board 30 are electronic It is provided on the side away from the display window 11 of the ink display 40 . With such an arrangement structure, the NFC receiving coil 20, the circuit board 30 and the electronic ink display 40 are stacked.

For the situation where the NFC module of the smart phone is located at the center or lower center of the smart phone, and the NFC module basically overlaps the display window 11 of the smart phone case, there are some other ways to further reduce the thickness of the smart phone case. In the embodiment, the NFC receiving coil 20 and the circuit board 30 are provided separately, the NFC receiving coil 20 is provided on the side away from the display window 11 of the electronic ink display 40, and the circuit board 30 is provided on the electronic ink display 40. Provided above or below. A sheet-like NFC receiving coil 20 is provided independently on the back of the electronic ink display 40, and a relatively thick circuit board 30 is provided above or below the ink display so as to be displaced from the display window 11 and the electronic ink display 40. , the overall thickness distribution is more uniform, and the overall thickness of the smartphone case can be effectively reduced.

In this embodiment the viewing window 11 is made of a light transmissive material. By making the display window 11 from a light-transmissive material such as acrylic, the electronic ink display 40 can be effectively protected, and image information on the electronic ink display 40 can be directly observed.

In some embodiments, the display window 11 is protruded from the smartphone case body 10 to provide sufficient mounting space for the electronic ink display 40 .

In some other embodiments, the thickness of the smartphone case body 10 is sufficient, and the structure in which the electronic ink display 40, the circuit board 30, and the NFC receiving coil 20 are displaced vertically allows the electronic ink display 40 Since the required installation space is narrow, the display window 11 does not need to protrude from the smartphone case body 10, and the display window 11 is provided flush with the smartphone case body 10. - 特許庁

In some embodiments, the smartphone case with controllable ink display further includes a heat insulating protective film 50 adhered to the inside of the smartphone case body 10, and the NFC receiving coil 20, the circuit board 30 and the electronic ink display 40 are attached to the smartphone. It is provided between the case body 10 and the heat insulating protective film 50 . The heat insulating protective film 50 is adhered to the inside of the smartphone case body 10 to support and firmly adhere the NFC receiving coil 20, the circuit board 30 and the electronic ink display 40 to prevent loosening and shaking. The heat generated from the circuit board 30 is isolated while preventing

Preferably, the heat insulating protective film 50 is heat insulating cotton, and a layer of viscous paint is applied to the side of the heat insulating cotton facing the display window 11 . The heat-insulating cotton can isolate the heat generated from the circuit board 30, making the inside of the smartphone case soft and smooth, and making the smartphone body less likely to be damaged.

Naturally, the present invention is not limited to the embodiments described above, and a person skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and these equivalent modifications and substitutions are possible. are within the scope defined by the claims of this application.

DESCRIPTION OF SYMBOLS 10... Smartphone case main body 11... Display window 12... Fitting groove 13... Stopper notch 20... NFC receiving coil 30... Circuit board 40... Electronic ink display 41... Stopper convex part 50... Thermal insulation protection film.

Claims (10)

A smartphone case with a controllable ink display comprising a smartphone case body (10), an NFC receiving coil (20), a circuit board (30) and an electronic ink display (40),
A display window (11) is opened in the smartphone case, the electronic ink display (40) is mounted on the display window (11), and the circuit board (30) is respectively the electronic ink display (40) and the NFC receiving coil. (20), the NFC receiving coil (20) can receive the NFC magnetic field signal of the smart terminal and generate an electrical signal to transmit to the circuit board (30);
A smartphone case with a controllable ink display, characterized by: The smartphone case body (10) is provided with a fitting groove (12), one side of the fitting groove (12) is provided with the display window (11), and the electronic ink display (40) is mounted on the fitting groove. attached to (12),
The smartphone case with controllable ink display according to claim 1, characterized in that: A plurality of stopper notches (13) are provided on the outer edge of the fitting groove (12), and a plurality of stopper protrusions (41) are provided on the outer edge of the electronic ink display (40). ) fits into said stopper notch (13),
The smart phone case with controllable ink display according to claim 2, characterized in that: the NFC receiving coil (20) is provided on the circuit board (30);
The smartphone case with controllable ink display according to claim 1, characterized in that: The NFC receiving coil (20) and circuit board (30) are provided above or below the electronic ink display (40),
The smart phone case with controllable ink display according to claim 4, characterized in that: The NFC receiving coil (20) and the circuit board (30) are provided on the side away from the display window (11) of the electronic ink display (40),
The smart phone case with controllable ink display according to claim 4, characterized in that: The NFC receiving coil (20) and the circuit board (30) are provided separately, and the NFC receiving coil (20) is provided on the side away from the display window (11) of the electronic ink display (40). and the circuit board (30) is provided above or below the electronic ink display (40),
The smartphone case with controllable ink display according to claim 1, characterized in that: wherein said viewing window (11) is made of a light transmissive material;
The smartphone case with controllable ink display according to claim 1, characterized in that: The display window (11) is provided protruding from the smartphone case body (10), or the display window (11) is provided flush with the smartphone case body (10).
The smartphone case with controllable ink display according to claim 1, characterized in that: The smart phone case with the controllable ink display further comprising a heat insulating protective film (50) adhered to the inside of the smart phone case body (10), wherein the NFC receiving coil (20), the circuit board (30) and an electronic ink display (40) is provided between the smart phone case body (10) and a heat insulating protective film (50);
The smartphone case with controllable ink display according to claim 1, characterized in that:

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