CN111328219A - Back shell for electronic equipment, electronic equipment and preparation method - Google Patents

Back shell for electronic equipment, electronic equipment and preparation method Download PDF

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Publication number
CN111328219A
CN111328219A CN202010244238.4A CN202010244238A CN111328219A CN 111328219 A CN111328219 A CN 111328219A CN 202010244238 A CN202010244238 A CN 202010244238A CN 111328219 A CN111328219 A CN 111328219A
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China
Prior art keywords
conversion layer
energy conversion
electronic device
back shell
back case
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CN202010244238.4A
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Chinese (zh)
Inventor
谢红斌
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202010244238.4A priority Critical patent/CN111328219A/en
Publication of CN111328219A publication Critical patent/CN111328219A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0086—Casings, cabinets or drawers for electric apparatus portable, e.g. battery operated apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H01M10/465—Accumulators structurally combined with charging apparatus with solar battery as charging system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The present disclosure discloses a back shell for an electronic device, an electronic device and a preparation method, wherein the back shell comprises a back shell body and an energy conversion layer, at least part of the back shell body is a transparent part, the energy conversion layer is arranged on the inner surface of the back shell body and at least arranged opposite to the transparent part, and the energy conversion layer is arranged to receive solar energy outside the back shell body through the transparent part and convert the solar energy into electric energy. According to the back shell for the electronic equipment, the solar rays can penetrate through the transparent part to be emitted to the energy conversion layer to be utilized by the energy conversion layer, and the solar energy is converted into the electric energy to be used by the electronic equipment, so that the cruising ability of the electronic equipment can be effectively improved. In addition, because the energy conversion layer is positioned on the inner surface of the back shell body, when a user uses the electronic equipment, the energy conversion layer can not be directly contacted, so that the use safety of the user can be effectively ensured, and the user is prevented from being injured by the contact of the energy conversion layer and the user.

Description

Back shell for electronic equipment, electronic equipment and preparation method
Technical Field
The present disclosure relates to the field of electronic technologies, and in particular, to a back shell for an electronic device, and a manufacturing method.
Background
The endurance requirement of the electronic device on the battery is higher and higher, and along with the continuous progress of the use function of the electronic device in recent years, the use strength and the requirement of a user are further improved, such as wireless internet access, high-speed data transmission, bluetooth connection smart home, higher photographing requirement, video transmission and the like, and especially the requirement on the electric quantity of the electronic device is higher when the fifth generation mobile communication technology is applied. However, the storage capacity of the lithium ion battery applied to the electronic device in the related art is difficult to meet the use requirement, so that the cruising ability becomes one of the key factors limiting the further development of the electronic device.
Disclosure of Invention
The present disclosure is directed to solving at least one of the technical problems of the prior art. Therefore, the present disclosure provides a back shell for an electronic device, which can convert solar energy into electric energy, provide the electric energy for the electronic device, and improve the cruising ability of the electronic device.
The present disclosure also provides an electronic device having the above-mentioned back shell.
The disclosure also provides a preparation method for preparing the back shell.
The backshell for an electronic device according to an embodiment of a first aspect of the present disclosure includes: the back shell comprises a back shell body, wherein at least part of the back shell body is a transparent part; and an energy conversion layer disposed on an inner surface of the back shell body and disposed at least opposite to the transparent portion, the energy conversion layer being configured to receive solar energy outside the back shell body through the transparent portion and convert the solar energy into electrical energy.
According to the back shell for the electronic equipment, the solar rays can penetrate through the transparent part to be emitted to the energy conversion layer to be utilized by the energy conversion layer, and the solar energy is converted into the electric energy to be used by the electronic equipment, so that the cruising ability of the electronic equipment can be effectively improved. In addition, because the energy conversion layer is positioned on the inner surface of the back shell body, when a user uses the electronic equipment, the energy conversion layer can not be directly contacted, so that the use safety of the user can be effectively ensured, and the user is prevented from being injured by the contact of the energy conversion layer and the user.
An electronic device according to an embodiment of a second aspect of the present disclosure includes: the device comprises a device body and a back shell, wherein the device body is arranged on the inner side of the back shell, the back shell is used for the electronic device according to the embodiment of the first aspect of the disclosure, and the energy conversion layer is electrically connected with the device body. According to the electronic equipment disclosed by the invention, the back shell of the first aspect is arranged, so that the cruising ability of the electronic equipment is improved.
The manufacturing method according to the embodiment of the third aspect of the present disclosure is used for manufacturing the back case for an electronic device according to the embodiment of the first aspect of the present disclosure, and the manufacturing method includes the steps of: and placing the back shell body in a metal ion solution containing the semiconductor composite material, and enabling the energy conversion layer to be arranged on the inner surface of the back shell body by adopting an electrochemical deposition method or a photochemical deposition method. The preparation method disclosed by the invention is simple and quick.
Additional aspects and advantages of the disclosure 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 disclosure.
Drawings
FIG. 1 is an inside schematic view of a back case for an electronic device according to one embodiment of the present disclosure;
FIG. 2 is a cross-sectional schematic view of a back case for an electronic device according to one embodiment of the present disclosure;
FIG. 3 is a schematic front view of an electronic device according to one embodiment of the present disclosure;
FIG. 4 is a cross-sectional schematic view of an electronic device according to one embodiment of the present disclosure;
FIG. 5 is a connection schematic of a processing circuit according to one embodiment of the present disclosure.
Reference numerals:
an electronic device 1000;
a back shell 100;
a back shell body 1; an inner surface 1 a; an outer surface 1 b; a transparent portion 11; an opening region 12;
an energy conversion layer 2;
an apparatus body 200; a screen 3; a machine core 4; a circuit board 41; a battery 42; a component 43;
a processing circuit 300;
Detailed Description
Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present disclosure, and should not be construed as limiting the present disclosure.
The following disclosure provides many different embodiments, or examples, for implementing different features of the disclosure. To simplify the disclosure of the present disclosure, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Further, the present disclosure may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.
The endurance requirement of the electronic device on the battery is higher and higher, and along with the continuous progress of the use function of the electronic device in recent years, the use strength and the requirement of a user are further improved, such as wireless internet access, high-speed data transmission, bluetooth connection smart home, higher photographing requirement, video transmission and the like, and especially the requirement on the electric quantity of the electronic device is higher when the fifth generation mobile communication technology is applied. However, the storage capacity of the lithium ion battery applied to the electronic device in the related art is difficult to meet the use requirement, so that the cruising ability becomes one of the key factors limiting the further development of the electronic device.
In order to solve at least the above technical problem, the present disclosure provides a back shell 100 capable of improving the endurance of an electronic device 1000, according to the back shell 100 of the embodiment of the present disclosure, by providing an energy conversion layer 2, solar energy can be converted into electric energy to be utilized by the electronic device 1000, so that the endurance of the electronic device 1000 can be effectively improved, and in the process of energy conversion, the back shell is noiseless and environment-friendly.
Next, referring to fig. 1, a back shell 100 according to an embodiment of the first aspect of the present disclosure is described.
As shown in fig. 1 and 2, the back case 100 may include: a back shell body 1 and an energy conversion layer 2, at least part of the back shell body 1 is a transparent part 11, the energy conversion layer 2 is arranged on the inner surface 1a of the back shell body 1 and at least opposite to the transparent part 11, the energy conversion layer 2 is arranged to receive solar energy outside the back shell body 1 (namely, the outer surface 1b side of the back shell body 1) through the transparent part 11 and convert the solar energy into electric energy.
Specifically, the back shell body 1 has an outer surface 1b and an inner surface 1a, the outer surface 1b can be used as an appearance surface of the electronic device 1000 and is observed by a user in a contact manner, the inner surface 1a of the back shell body 1 is not an appearance surface of the electronic device 1000 and is provided with the energy conversion layer 2, and the energy conversion layer 2 is arranged opposite to the transparent part 11 of the back shell body 1, so that solar rays outside the back shell body 1 can penetrate through the transparent part 11 to be emitted to the energy conversion layer 2 to be utilized by the energy conversion layer 2, i.e., the energy conversion layer 2 converts solar energy into electric energy to be used by the electronic device 1000, thereby effectively improving the cruising ability of the electronic device 1000, and in the energy conversion process, the noise is avoided, and the environment is protected.
In addition, because the energy conversion layer 2 is located the internal surface 1a of the backshell body 1, when the user uses the electronic device 1000, the user can not directly contact the energy conversion layer 2, thereby effectively ensuring the use safety of the user, and avoiding the user from being hurt by the contact of the energy conversion layer 2 and the user.
In some embodiments of the present disclosure, as shown in fig. 1, the back shell body 1 is entirely a transparent portion 11. That is to say, all entity regions of dorsal shell body 1 are transparent to can reduce dorsal shell body 1's the processing degree of difficulty, directly choose for use transparent material processing dorsal shell body 1 can, can improve energy conversion layer 2's layout area moreover, and then improve energy conversion layer 2 and convert the total amount of energy, further improve electronic equipment 1000's duration.
For example, in some specific examples, the back shell body 1 may be formed by processing a glass material, and at this time, the back shell body 1 is a glass cover plate, so that the cost can be reduced, and the transmission effectiveness of sunlight can be ensured. For example, in some other specific examples, the back shell body 1 may be processed by transparent plastics, and at this time, the back shell body 1 is a plastic cover plate, so that the cost can be reduced, the sunlight transmission effectiveness can be ensured, and the anti-falling performance of the back shell body 1 can be improved.
Of course, the disclosure is not limited thereto, and the back shell body 1 may only be partially transparent 11, for example, in some embodiments, more than 50% (e.g. 60%, 70%, 80%, 90%, etc.) of the area of the back shell body 1 is transparent, so as to also increase the total amount of energy converted by the energy conversion layer 2 to some extent, and increase the endurance of the electronic device 1000 to some extent.
It should be noted that, in some embodiments of the present disclosure, no matter what proportion of the back shell body 1 the transparent portion 11 occupies, the energy conversion layer 2 may be distributed over the inner surface 1a (e.g., as shown in fig. 1) of the back shell body 1, thereby facilitating the manufacturing process of the energy conversion layer 2. Of course, the present disclosure is not limited thereto, and the energy conversion layer 2 may also be disposed opposite to only the transparent part 11, so that the use cost of the energy conversion layer 2 can be reduced.
For example, in a specific example of the present disclosure, as shown in fig. 1, the back shell body 1 is a transparent portion 11, and the energy conversion layer 2 is fully distributed on the inner surface 1a of the back shell body 1, so that the energy conversion layer 2 can utilize the inner surface 1a space of the back shell body 1 to the maximum extent, effectively improve the amount of electric energy conversion, and improve the cruising ability of the electronic device 1000.
It should be noted that "the energy conversion layer 2 is distributed over the inner surface 1a of the back shell body 1" means that the energy conversion layer 2 is distributed over the inner surface of the solid part of the back shell body 1, for example, when the back shell body 1 has a hollow structure, the energy conversion layer 2 loses the carrier at the hollow structure, so that the energy conversion layer 2 is not arranged at the hollow structure.
For example, in some embodiments of the present disclosure, as shown in fig. 1, the back shell body 1 has an opening region 12, and the energy conversion layer 2 is disposed on the inner surface 1a of the back shell body 1 and is free from the opening region 12, that is, the energy conversion layer 2 is disposed on the inner surface of the back shell body 1 except for the opening region 12, so as to ensure that the structural shape of the back shell body 1 meets the design requirement of the electronic device 1000 and ensure the original function of the back shell 100. For example, when the electronic device 1000 has a camera module, a fingerprint module, and other modules that need to be exposed, these modules can be exposed through the opening region 12, and are prevented from being shielded by the back shell 100, so as to ensure normal implementation of the functions of the electronic device 1000.
In some embodiments of the present disclosure, the energy conversion layer 2 has a thickness of 0.1 μm to 100 μm. Therefore, the thickness of the energy conversion layer 2 is thin, which does not significantly affect the thickness and weight of the back case 100, thereby ensuring the lightness and thinness of the electronic device 1000. Of course, the present disclosure is not limited thereto, and when the electronic device 1000 does not need to satisfy the requirements of lightness and thinness, the thickness of the energy conversion layer 2 may be increased as needed to improve the electric energy conversion efficiency of the energy conversion layer 2.
In some embodiments of the present disclosure, the energy conversion layer 2 has a uniform thickness throughout, i.e., the energy conversion layer 2 has a uniform thickness, and there is no problem of local thickness and local thinness, and the energy conversion layer 2 matches the shape of the inner surface 1a of the back shell body 1, for example, when the inner surface 1a of the back shell body 1 has a planar area, the energy conversion layer 2 attached thereon is also a planar layer, and for example, when the inner surface 1a of the back shell body 1 has a curved area, the energy conversion layer 2 attached thereon is also a curved layer. Therefore, the shape of the inner surface of the back shell 100 is consistent with the shape of the inner surface 1a of the back shell body 1, the influence of the energy conversion layer 2 on the shape of the inner surface of the back shell 100 is avoided, and the shape of the back shell 100 is ensured to meet the original design requirement.
In some embodiments of the present disclosure, the energy conversion layer 2 is a semiconductor composite material layer, that is, the energy conversion layer 2 may be processed by using a semiconductor composite material, so that the reliability of converting solar energy into electric energy may be ensured. For example, in some specific examples of the present disclosure, the material of the energy conversion layer 2 includes at least one of copper indium gallium tin, copper indium tin, copper sulfide, tellurium sulfide, copper stannide, zinc oxide, and copper zinc tin sulfide, so that the electric energy conversion efficiency of the energy conversion layer 2 can be effectively improved, and the cruising ability of the electronic device 1000 can be better improved. It should be noted that the principle of the above materials for converting solar energy into electric energy is well known to those skilled in the art and will not be described here.
The method for preparing the energy conversion layer 2 to the inner surface 1a of the back shell body 1 is not limited, and for example, the method of photochemical deposition, electrochemical deposition, magnetron sputtering, or film lamination may be adopted to prepare the energy conversion layer 2 to the inner surface 1a of the back shell body 1, so that the processing is convenient, and the connection reliability between the back shell body 1 and the energy conversion layer 2 is high. The method of "film lamination" is to prepare a target film matching the shape of the inner surface 1a of the back shell body 1 by using chemical methods, etc., and then attach the target film to the inner surface 1a of the back shell body 1 by lamination to obtain the energy conversion layer 2.
Moreover, the energy conversion layer 2 is prepared by the photochemical deposition, the electrochemical deposition or the magnetron sputtering method, so that the shape of the energy conversion layer 2 is matched with the shape of the back shell body 1, the shape of the inner surface of the whole back shell 100 is consistent with the shape of the inner surface 1a of the back shell body 1, the influence of the energy conversion layer 2 on the shape of the inner surface of the whole back shell 100 is avoided, and the shape of the back shell 100 is ensured to meet the original design requirement.
Next, an electronic apparatus 1000 according to an embodiment of the second aspect of the present disclosure is described with reference to the drawings.
As shown in fig. 3 to 4, the electronic apparatus 1000 includes: the device body 200 and the back shell 100, the device body 200 is disposed on the inner side of the back shell 100, that is, the device body 200 is disposed on one side of the back shell 100 close to the energy conversion layer 2, and the back shell 100 is the back shell 100 for the electronic device 1000 according to the first aspect embodiment, and the energy conversion layer 2 is electrically connected to the device body 200.
Thus, according to the electronic device 1000 of the embodiment of the present disclosure, by providing the back shell 100 with the energy conversion layer 2, the energy conversion layer 2 can be utilized to convert solar energy into electric energy, and the electric energy is supplied to the device body 200 for utilization, thereby improving the cruising ability of the electronic device 1000.
Referring to fig. 5, the energy conversion layer 2 in the back case 100 is electrically connected to the device body 200 through the processing circuit 300, so that the processing circuit 300 can be used to process the electric energy converted by the energy conversion layer 2 into a suitable state and supply the electric energy to the device body 200, which meets the use requirement of the device body 200. For example, the processing circuit 300 may be a dc-dc circuit or the like, and thus, the processing circuit 300 may process the electric energy converted by the energy conversion layer 2 into a suitable current and/or voltage to be supplied to the apparatus body 200, which meets the use requirement of the apparatus body 200.
Thus, according to the electronic device 1000 of the embodiment of the present disclosure, by providing the back shell 100 with the energy conversion layer 2, the solar energy can be converted into the electric energy by the energy conversion layer 2, and the electric energy is processed by the processing circuit 300 into a suitable state and supplied to the device body 200 for use, thereby improving the cruising ability of the electronic device 1000.
It should be noted that the specific type of the electronic device 1000 according to the embodiment of the present disclosure is not limited, and may be a mobile electronic device, a stationary electronic device, or the like, where the mobile electronic device may be a handheld electronic device, a wearable electronic device, or the like, such as a smart phone, and the like, and is not limited herein.
In some embodiments of the present disclosure, as shown in fig. 3 and 4, the device body 200 may include a screen 3 and a movement 4, the screen 3 and the back shell 100 are respectively disposed on two sides of the thickness of the movement 4, the movement 4 includes a circuit board 41, a battery 42 and a component 43, and the energy conversion layer 2 is electrically connected to at least one of the circuit board 41, the battery 42 and the component 43. It should be noted that the number of the circuit boards 41, the number of the batteries 42, and the number of the components 43 are not limited, and may be one or more, and the energy conversion layer 2 may be electrically connected to at least one of the at least one circuit board 41, the at least one battery 42, and the at least one component 43. Therefore, the electric energy converted by the energy conversion layer 2 can be transmitted to a target position according to different requirements, so that different practical requirements can be met.
For example, in some specific examples, the electric energy converted by the energy conversion layer 2 may be boosted by the processing circuit 300 and then delivered to the battery 42 to charge the battery 42. Alternatively, the electric energy converted by the energy conversion layer 2 may be boosted by the processing circuit 300 and then transmitted to at least one system on the circuit board 41 to provide operating electric energy. For another example, in other specific examples, the electric energy converted by the energy conversion layer 2 may also be directly delivered to some small power consumption components, such as an electrochromic component, in the plurality of components 43 without being processed by the processing circuit 300, so that the application is flexible.
Next, a production method according to an embodiment of the third aspect of the present disclosure is described.
According to the preparation method of the embodiment of the present disclosure, for preparing the back shell 100 of the embodiment of the first aspect, the preparation method includes the steps of: the back shell body 1 is placed in a metal ion solution containing a semiconductor composite material, and the energy conversion layer 2 is arranged on the inner surface 1a of the back shell body 1 by adopting an electrochemical deposition method or a photochemical deposition method. Therefore, the processing is convenient, the shape of the energy conversion layer 2 can be simply and effectively ensured to be matched with the shape of the back shell body 1, the influence of the energy conversion layer 2 on the whole inner surface shape of the back shell 100 is avoided, and the shape of the back shell 100 is ensured to meet the original design requirement.
In some embodiments of the present disclosure, when the back shell 100 is prepared, it is necessary to adjust suitable environmental conditions, for example, when electrochemical deposition or photochemical deposition is adopted, the temperature value of the solution may be set to 5 ℃ to 70 ℃ (for example, may be 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃, 30 ℃, 35 ℃, 40 ℃, 45 ℃, 50 ℃, 65 ℃, 70 ℃ and the like), and the pH value of the solution may be set to 2 to 9 (for example, may be 2, 3, 4, 5, 6, 7, 8, 9 and the like). When electrochemical deposition is employed, the deposition voltage may be set to 0.01V or more (e.g., may be 0.01V, 0.02V, 0.03V, 0.04V, 0.05V, etc.), and the deposition current density may be set to 0.01A/m or more2(for example, it may be 0.01A/m2、0.02A/m2、0.03A/m2、0.04A/m2、0.05A/m2Etc.). When photochemical deposition is adopted, the intensity of incident light can be set to be 10-1000 mW/cm2(for example, it may be 10mW/cm2、50mW/cm2、100mW/cm2、150mW/cm2、200mW/cm2、250mW/cm2、300mW/cm2、350mW/cm2、400mW/cm2、500mW/cm2、600mW/cm2、700mW/cm2、800mW/cm2、900mW/cm2、1000mW/cm2Etc.). Thus, the manufacturing reliability and manufacturing efficiency can be improved.
For example, in some specific examples, the temperature value of the solution may be set to 25 ℃ to 50 ℃ (for example, 25 ℃, 30 ℃, 35 ℃, 40 ℃, 45 ℃, 50 ℃, 65 ℃, 70 ℃ and the like may be set), the pH value of the solution may be set to 4 to 7 (for example, 4, 5, 6, 7 and the like may be set), and the intensity of the incident light may be set to 80mW/cm2～200mW/cm2(for example, 80mW/cm may be used)2、100mW/cm2、150mW/cm2、200mW/cm2Etc.), whereby the production reliability and production efficiency can be improved more.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present disclosure 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 disclosure, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. A back case for an electronic device, comprising:
the back shell comprises a back shell body, wherein at least part of the back shell body is a transparent part; and
an energy conversion layer disposed on an inner surface of the back shell body and disposed opposite at least the transparent portion, the energy conversion layer being configured to receive solar energy outside the back shell body through the transparent portion and convert the solar energy into electrical energy.
2. The back cover for an electronic device according to claim 1, wherein the back cover body is a transparent portion throughout.
3. The back case for an electronic device according to claim 1, wherein the back case body is a glass cover plate or a plastic cover plate.
4. The back case for an electronic device as recited in claim 1, wherein the energy conversion layer is disposed over an inner surface of the back case body.
5. The back case for an electronic device as claimed in claim 4, wherein the back case body has an open region thereon, and the energy conversion layer is spread over the inner surface of the back case body and avoids the open region.
6. The back case for an electronic device according to claim 4 or 5, wherein the energy conversion layer has a uniform thickness throughout and matches the shape of the inner surface of the back case body.
7. The back case for an electronic device according to claim 1, wherein the energy conversion layer has a thickness of 0.1 μm to 100 μm.
8. The back case for an electronic device according to claim 1, wherein the energy conversion layer is a semiconductor composite layer.
9. The back case for an electronic device according to claim 8, wherein the material of the energy conversion layer comprises at least one of copper indium gallium tin, copper indium tin, copper sulfide, tellurium sulfide, copper tin, zinc oxide, copper zinc tin sulfide.
10. The back case for an electronic device as claimed in claim 1, wherein the energy conversion layer is disposed on the inner surface of the back case body by using a method of photochemical deposition, electrochemical deposition, magnetron sputtering, or thin film lamination.
11. An electronic device, comprising: an apparatus body provided inside the back case, and a back case according to any one of claims 1 to 10 for an electronic apparatus, the energy conversion layer being electrically connected to the apparatus body.
12. The electronic device according to claim 11, wherein the device body includes a screen and a movement, the screen and the back case are respectively provided on both sides of a thickness of the movement, the movement includes a circuit board, a battery, and a component, and the energy conversion layer is electrically connected to at least one of the circuit board, the battery, and the component.
13. The electronic device of claim 11, wherein the energy conversion layer is electrically connected to the device body through processing circuitry.
14. A production method for producing the back case for an electronic device according to any one of claims 1 to 9, comprising the steps of: and placing the back shell body in a metal ion solution containing the semiconductor composite material, and enabling the energy conversion layer to be arranged on the inner surface of the back shell body by adopting an electrochemical deposition method or a photochemical deposition method.
15. The method according to claim 14, wherein the solution has a temperature value of 5 ℃ to 70 ℃; the pH value of the solution is 2-9, when electrochemical deposition is adopted, the deposition voltage is more than or equal to 0.01V, and the deposition current density is more than or equal to 0.01A/m2(ii) a When photochemical deposition is used, the intensity of the incident light is 10mW/cm2～1000mW/cm2。
CN202010244238.4A 2020-03-31 2020-03-31 Back shell for electronic equipment, electronic equipment and preparation method Pending CN111328219A (en)

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Application publication date: 20200623