CN113113760A

CN113113760A - Electronic device

Info

Publication number: CN113113760A
Application number: CN202110400587.5A
Authority: CN
Inventors: 杨文强; 张敏; 吴俊纬; 谢华飞
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-07-13
Anticipated expiration: 2041-04-14
Also published as: CN113113760B

Abstract

An electronic device includes a case including an electrode layer and an electrochromic layer which are stacked. The radiating portion is located on the backlight side of the housing. The number of the electrode layers is multiple, the electrochromic layer is clamped between two of the electrode layers, at least one of the electrode layers comprises a thinning part and a stacking part which are connected, the thinning part is arranged corresponding to the radiation part, and the thickness of the thinning part is smaller than that of the stacking part. This application is through making the thickness that the portion that reduces thickness that corresponds with the pars radiata be less than the thickness of portion of piling up to slowing down the speed of charging of portion that reduces, reducing in the electrode layer and reducing the influence of portion to the receiving and dispatching signal of the pars radiata that corresponds, ensure the normal communication performance of pars radiata.

Description

Electronic device

Technical Field

The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.

Background

In the related art, the color of the housing of the electronic device is determined by the color of the material forming the housing, and if a housing made of a plastic material with a single color is used, a stainless steel decoration strip is disposed on the housing made of the plastic material with the single color or a metal layer (such as gold or silver) is plated by using an electroplating technique to form the housing with the metal color. However, due to the single lack of variation in the housing color of the electronic device, users cannot be given rich colors and changing color experiences. If the shell is made of materials with different colors, different production processes and materials are needed, and the production cost of the electronic equipment is increased to a certain extent.

With the development of materials and process technology, the electrochromic material is applied to the shell of the electronic equipment, and the switching of different colors is realized through voltage control, so that the shell can have different color choices, and the user experience is greatly improved.

However, in the course of realizing the present application, the inventors have found that at least the electrochromic phenomenon is a phenomenon in which the optical properties (reflectance, transmittance, absorption, etc.) of the material undergo a stable and reversible color change under the action of an applied electric field, and thus the material exhibits a reversible change in color and transparency in appearance. Because the electronic equipment comprises various antennas, when the shell of the electronic equipment comprises electrochromic materials, the shell can be surrounded by a whole piece of electric charge, electromagnetic shielding is easy to form, various antenna-dependent component communication performances in the electronic equipment are poor, and even the electronic equipment cannot be used at all, and user experience is seriously influenced.

Disclosure of Invention

The present application is directed to an electronic device, which at least solves one of the problems of the related art that the communication performance of various antenna-dependent components of the electronic device is deteriorated or even completely unusable.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides an electronic device, including:

the shell comprises an electrode layer and an electrochromic layer which are arranged in a stacked mode;

a radiation part located at a backlight side of the case;

the radiation part is arranged on the substrate, the electrochromic layer is arranged between two of the electrode layers, at least one of the electrode layers comprises a thinning part and a stacking part which are connected, the thinning part is arranged corresponding to the radiation part, and the thickness of the thinning part is smaller than that of the stacking part.

In an embodiment of the present application, an electronic device includes a housing and a radiation portion, the housing includes an electrode layer and an electrochromic layer which are stacked, and the electrochromic layer can display a specific color under a condition that an appropriate voltage is applied to the electrode layer. The radiation part is positioned on the backlight side of the shell and used for receiving and transmitting radio frequency signals. The number of the electrode layers is multiple, and the electrochromic layer is arranged between two adjacent electrode layers in the multiple electrode layers. At least one electrode layer in the electrode layers comprises a thinning part and a stacking part, the thinning part is connected with the stacking part, the thickness of the thinning part is smaller than that of the stacking part, the thinning part is arranged corresponding to the radiation part, and under the condition that the electrode layers are applied with voltage, the charging speed of the thinning part is lower due to the fact that the thickness of the thinning part is smaller, so that the influence of the thinning part in the electrode layers on the transmitting and receiving signals of the corresponding radiation part can be reduced, and the normal communication performance of the radiation part is ensured.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is one of schematic structural diagrams of an electronic device according to an embodiment of the application;

fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of an electronic device according to one embodiment of the present application;

FIG. 4 is a cross-sectional view of an electronic device according to another embodiment of the present application;

fig. 5 is a schematic view of a radiation surface of a radiation portion of an electronic device according to an embodiment of the present application.

Reference numerals:

100 an electronic device having a plurality of electronic devices,

110 of the housing of the portable electronic device,

111 electrode layer, 111a thinned portion, 111b stacked portion,

1111 a first electrode layer of a first electrode,

1112 a second electrode layer on the second side of the substrate,

112 an electrochromic layer, and a second electrochromic layer,

1131 a first PET layer, 1132 a second PET layer,

1141 a first optical adhesive layer, 1142 a second optical adhesive layer,

115 semi-permeable film of herba Fimbristylis Linne,

116 a layer of a white ink,

117 a glass cover plate, which is provided with a plurality of holes,

120, 121 radiation surface,

130 of the etching process are carried out to etch the gap,

140 show the components.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

An electronic device according to an embodiment of the present application is described below with reference to fig. 1 to 5.

As shown in fig. 1, 2 and 5, an electronic device 100 according to some embodiments of the present application includes a case 110 and a radiation part 120, and the case 110 includes an electrode layer 111 and an electrochromic layer 112 which are stacked. And a radiation part 120 positioned at a backlight side of the case 110. The number of the electrode layers 111 is multiple, the electrochromic layer 112 is sandwiched between two of the electrode layers 111, at least one electrode layer 111 of the electrode layers 111 includes a thinning portion 111a and a stacking portion 111b, the thinning portion 111a is disposed corresponding to the radiation portion 120, and the thickness of the thinning portion 111a is smaller than that of the stacking portion 111 b.

The electronic device 100 according to the embodiment of the present application includes a housing 110 and a radiation portion 120.

Specifically, the housing 110 includes an electrode layer 111 and an electrochromic layer 112, which are stacked, and the electrochromic layer 112 can display a specific color under the condition that an appropriate voltage is applied to the electrode layer 111. The housing 110 is a rear case of the electronic device 100, the electronic device 100 further includes a display component 140, a middle frame, and the like, and the rear case, the display component 140, and the middle frame can form a containing cavity together, and the containing cavity is used for placing other functional modules of the electronic device 100.

Specifically, the radiation part 120 is located at a backlight side of the housing 110, and the radiation part 120 is used for transceiving a radio frequency signal. Further, the radiation part 120 is located inside the receiving cavity.

Further, the number of the electrode layers 111 is plural, and the electrochromic layer 112 is provided between adjacent two of the plural electrode layers 111. In practical applications, the number of the electrode layers 111 is two, and the two electrode layers 111 are stacked on two sides of the electrochromic layer 112, respectively, as can be seen from the foregoing description, the housing 110 of the electronic device 100 and other structural components of the electronic device 100 may form a receiving cavity, and then the electrochromic layer 112 in the housing 110 has an inside and outside direction. The inner side of the electrochromic layer 112 is the side close to the receiving space, and the outer side of the electrochromic layer 112 is the side facing away from the receiving space. One electrode layer 111 of the two electrode layers 111 is stacked on the inner side of the electrochromic layer 112, and the other electrode layer 111 of the two electrode layers 111 is stacked on the outer side of the electrochromic layer 112. When the two electrode layers 111 are energized, charges are distributed on the two electrode layers 111 to form an electric field, and the electrochromic layer 112 is affected by the electric field to change color. Specifically, as for the electrochromic layer 112, it has a transparent state and a colored state, and in the non-energized state of the electrode layer 111, the electrochromic layer 112 is in the transparent state, and when the electrode layer 111 is energized, the electrochromic layer 112 is in the colored state, so that the case 110 exhibits a rich and varied color.

Further, at least one electrode layer 111 of the plurality of electrode layers 111 includes a thinned portion 111a and a stacked portion 111b, that is, each of the two electrode layers 111 includes a thinned portion 111a and a stacked portion 111b having different thicknesses, and it is also possible that one electrode layer 111 of the two electrode layers 111 includes a thinned portion 111a and a stacked portion 111b having different thicknesses, and the other electrode layer 111 of the two electrode layers 111 is of the same thickness.

Specifically, the thinning-out portion 111a is connected to the stacking portion 111b, the thickness of the thinning-out portion 111a is smaller than that of the stacking portion 111b, and the thinning-out portion 111a is disposed corresponding to the radiation portion 120, and when a voltage is applied to the plurality of electrode layers 111, since the thickness of the thinning-out portion 111a is smaller, the charging speed of the thinning-out portion 111a is slower, so that the influence of the thinning-out portion 111a in the electrode layers 111 on the transmission and reception of the corresponding radiation portion 120 can be reduced, and the normal communication performance of the radiation portion 120 can be ensured.

It is to be noted that, when the thickness of the thinned portion 111a is decreased, the sheet resistance of the thinned portion 111a is increased. Where the sheet resistance is a sheet resistance, where ρ is a resistivity, and d is a side length constituting the sheet, and the sheet resistance has a characteristic that a side-to-side resistance of a square of an arbitrary size is the same regardless of whether the side length is 1m or 0.1m, that is, the sheet resistance is related to the thickness of the thinning-out portion 111 a. In the present application, the thickness of the thinning portion 111a corresponding to the radiation portion 120 is controlled, so that the charging speed of the thinning portion 111a corresponding to the radiation portion 120 on the electrode layer 111 is controlled, and the charging speed of the region with the large sheet resistance is slowed down, thereby reducing the influence of the charging region on the antenna function of the radiation portion 120 corresponding to the region.

It is noted that the electrode layer 111 is an ITO (Indium Tin oxide) layer.

Further, as shown in fig. 3, the thinned portion 111a and the partial stacked portion 111b form a thinned groove having a notch facing the electrochromic layer 112.

In this embodiment, in the actual manufacturing process, since the thickness of the electrode layer 111 itself is small, the electrode layer 111 is disposed on the supporting layer having a supporting function in advance, so as to facilitate the subsequent stacking. Specifically, the support layer includes a PET (polyethylene terephthalate) layer. The electrode layer 111 is disposed on the PET layer by a preparation method such as magnetron sputtering. Next, the electrode layer 111 attached to PET may be thinned, so that the electrode layer 111 is formed into a thinned portion 111a and a stacked portion 111b having different thicknesses. On the appearance surface of the final electrode layer 111, it can be seen that a corresponding thinning groove exists at the position corresponding to the thinning portion 111a, that is, the electrode layer 111 includes two opposite surfaces, the surface contacting the PET layer is a plane, the surface facing away from the PET layer, and the surface close to the electrochromic layer 112 is a non-plane surface.

Further, the thickness of the thinned portion 111a is 1nm or more and 10nm or less. The thickness of the stacked portion 111b is 3nm or more and 20nm or less.

In this embodiment, the thickness of the thinned portion 111a satisfies the above range, on the one hand, does not affect the overall coloring of the electrochromic layer 112, and also does not cause shielding interference with the radiation portion 120. Further, the thickness of the stack portion 111b satisfying the above range ensures that the electric field generated by the energization of the stack portion 111b in the electrode layer 111 can normally switch the electrochromic layer 112 between the transparent state and the colored state.

Further, a projection of the thinned portion 111a on a plane perpendicular to the stacking direction is equal to or greater than a projection of the radiation portion 120 on a plane perpendicular to the stacking direction.

In this embodiment, the stacking direction is a vertical direction, and a horizontal direction perpendicular to the vertical direction, that is, a projection of the thinned portion 111a on a horizontal plane is equal to or greater than a projection of the radiation portion 120 on the horizontal plane, so that the requirement of the radiation portion 120 can be satisfied. Specifically, the projection size of the thinning-out portion 111a on the horizontal plane can be adjusted according to the propagation angle θ parameter for the design of the radiation portion 120. As shown in fig. 5, in the radiation portion 120, the radiation portion 120 forms a radiation surface 121 during the process of transmitting and receiving the radio frequency signal by the radiation portion 120, and the size of the thinning portion 111a can be determined by the overlapping position of the radiation surface 121 and the electrode layer 111.

Further, as shown in fig. 2, the number of the radiation portions 120 is at least one, the number of the thinning portions 111a is at least one, and at least one radiation portion 120 corresponds to at least one thinning groove one to one.

In this embodiment, the number of the radiation portions 120 is at least one, the number of the thinning portions 111a is at least one, and the radiation portions 120 and the thinning grooves are provided in one-to-one correspondence. Each radiation part 120 may have a corresponding thinned portion 111a to slow down shielding, so that each radiation part 120 may not be affected by the electrode layer 111, and normal communication performance of each radiation part 120 may be ensured.

Further, the radiation part 120 includes at least one of: the main control board, mobile communication antenna, wiFi, bluetooth antenna, NFC antenna.

In this embodiment, the radiation section 120 includes a main control board, a mobile communication antenna, WiFi, a bluetooth antenna, and an NFC antenna. Among them, NFC is an abbreviation of Near Field Communication, i.e., Near Field Communication technology. The main control board, mobile communication antenna, WIFI, bluetooth antenna and NFC antenna interval distribution hold the intracavity, and main antenna, mobile communication antenna, WIFI, bluetooth antenna and NFC antenna all link to each other with the main control board.

Further, as shown in fig. 3 and 4, the electrode layer 111 includes a first electrode layer 1111 and a second electrode layer 1112, and the first electrode layer 1111 and the second electrode layer 1112 are respectively stacked on opposite sides of the electrochromic layer 112 in the incident light direction. The thinning portion 111a includes a first thinning portion provided in the first electrode layer 1111 and a second thinning portion provided in the second electrode layer 1112.

In this embodiment, the electrode layer 111 includes a first electrode layer 1111 and a second electrode layer 1112, the first electrode layer 1111 is stacked on the outer side of the electrochromic layer 112, the second electrode layer 1112 is stacked on the inner side of the electrochromic layer 112, that is, in the outside-in direction, the first electrode layer 1111, the electrochromic layer 112 and the second electrode layer 1112 are stacked in sequence, the first electrode layer 1111 and the second electrode layer 1112 each include a corresponding thinning-out portion 111a, that is, the first electrode layer 1111 includes a first thinning-out portion, the second electrode layer 1112 includes a second thinning-out portion, the first thinning-out portion and the second thinning-out portion may be disposed corresponding to the same radiation portion 120, and the first thinning-out portion and the second thinning-out portion may also be disposed corresponding to different radiation portions 120, respectively.

Further, as shown in fig. 3 and 4, the first and second thinned portions are provided corresponding to the electrochromic layer 112.

In this embodiment, the first thinning portion and the second thinning portion are disposed corresponding to the same radiation portion 120, that is, for one radiation portion 120, in the radiation surface 121 formed by the radiation portion, the radiation surface includes two thinning portions 111a, and the two thinning portions 111a can increase the sheet resistance of the corresponding electrode layer 111, so that the charging efficiency of the corresponding region of the two electrode layers 111 can be reduced, it is ensured that the two electrode layers 111 do not interfere with the radiation portion 120, and the user experience is effectively improved.

Further, as shown in fig. 1, the electronic device 100 further includes an etched slit 130, and the etched slit 130 is provided on a surface of the thinned portion 111a facing the electrochromic layer 112.

In this embodiment, the electronic device 100 further comprises an etched slit 130, the etched slit 130 being provided on a surface of the thinned portion 111a facing the electrochromic layer 112. When the number of the thinned portions 111a is plural, the etching slit 130 is provided on at least one thinned portion 111a among the plurality of thinned portions 111 a. The etching gap 130 may be set according to the specific signal frequency band and intensity requirement of each radiation portion 120. That is, for different radiation parts 120, the width of the etching slits 130 and the size of the space between the etching slits 130 are specifically adjusted, so that a good electromagnetic wave diffraction effect can be achieved for different radiation parts 120.

Further, the width of the etching gap 130 is not less than 10 μm and not more than 30 μm. The number of the etching slits 130 is plural, and the interval between two adjacent etching slits 130 is not less than 0.3mm and not more than 10 mm.

In this embodiment, the width of the etched gap 130 satisfies the above range, i.e., the etched gap 130 is invisible to the naked eye, thereby achieving a good visual experience of the electronic device 100. The etch slit 130 may extend along a length of the electronic device 100. When the number of the etching slits 130 is plural, the plurality of etching slits 130 are parallel to each other and arranged at intervals on the thinning portion 111a, and the interval between adjacent two of the plurality of etching slits 130 is controlled to satisfy the above range, so that a good electromagnetic wave diffraction effect can be achieved.

It should be noted that, the number of the spaces formed between two adjacent etching slits 130 is plural, and the plural spaces may be equal, may also be partially equal, or may not be equal, and may be adjusted according to actual requirements, which is not limited in the present application.

Other configurations of the electronic device 100 according to the embodiment of the present application, such as the case 110 further including the glass cover plate 117, the semi-transparent film 115, and the white ink layer 116, and the arrangement and the corresponding positions thereof are known to those skilled in the art and will not be described in detail herein.

Specifically, as shown in fig. 3 and 4, in the direction of incident light, the housing 110 includes a glass cover plate 117, a first optical adhesive layer 1141, a first PET layer 1131, a first electrode layer 1111, an electrochromic layer 112, a second electrode layer 1112, a second PET layer 1132, a second optical adhesive layer 1142, a semi-permeable film 115, and a white ink layer 116. The present application compromises balancing electrochromic speed and normal communication performance of the radiating portion 120 at the expense of delaying color transition of the portion of the electrochromic layer 112 corresponding to the radiating portion 120.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic device, comprising:

a housing including an electrode layer and an electrochromic layer which are arranged in a stacked manner;

a radiation section located on a backlight side of the case;

the number of the electrode layers is multiple, the electrochromic layer is clamped between two of the electrode layers, at least one of the electrode layers comprises a thinning part and a stacking part which are connected, the thinning part is arranged corresponding to the radiation part, and the thickness of the thinning part is smaller than that of the stacking part.

2. The electronic device of claim 1,

the thinning portion and a part of the stacking portion form a thinning groove, and a notch of the thinning groove faces the electrochromic layer.

3. The electronic device of claim 1,

the thickness of the thinning part is more than or equal to 1nm and less than or equal to 10 nm;

the thickness of the stacking part is greater than or equal to 3nm and less than or equal to 20 nm.

4. The electronic device of claim 1,

the projection of the thinning part on a plane perpendicular to the stacking direction is equal to or greater than the projection of the radiation part on a plane perpendicular to the stacking direction.

5. The electronic device of claim 1,

the number of the radiation parts is at least one, the number of the thinning parts is at least one, and the at least one radiation part corresponds to the at least one thinning groove in a one-to-one mode.

6. The electronic device of claim 5,

the radiation part includes at least one of: the main control board, mobile communication antenna, wiFi, bluetooth antenna, NFC antenna.

7. The electronic device of claim 1,

the electrode layers comprise a first electrode layer and a second electrode layer, and the first electrode layer and the second electrode layer are respectively stacked on two opposite sides of the electrochromic layer along the incident light direction; the thinning portion includes a first thinning portion provided in the first electrode layer and a second thinning portion provided in the second electrode layer.

8. The electronic device of claim 7,

the first and second thinned portions are provided corresponding to the electrochromic layer.

9. The electronic device of any of claims 1-8, further comprising:

and the etching gap is arranged on the surface of the thinning part facing the electrochromic layer.

10. The electronic device of claim 9,

the width of the etching gap is more than or equal to 10 mu m and less than or equal to 30 mu m;

the number of the etching gaps is multiple, and the interval between two adjacent etching gaps is larger than or equal to 0.3mm and smaller than or equal to 10 mm.