WO2021175232A1 - 壳体及制备方法、电子设备 - Google Patents

壳体及制备方法、电子设备 Download PDF

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Publication number
WO2021175232A1
WO2021175232A1 PCT/CN2021/078792 CN2021078792W WO2021175232A1 WO 2021175232 A1 WO2021175232 A1 WO 2021175232A1 CN 2021078792 W CN2021078792 W CN 2021078792W WO 2021175232 A1 WO2021175232 A1 WO 2021175232A1
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WO
WIPO (PCT)
Prior art keywords
ink
transparent
layer
shell
housing
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Application number
PCT/CN2021/078792
Other languages
English (en)
French (fr)
Inventor
吉斌
杨自美
Original Assignee
Oppo广东移动通信有限公司
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Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2021175232A1 publication Critical patent/WO2021175232A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present disclosure relates to the technical field of electronic equipment, and in particular to a housing, a manufacturing method, and electronic equipment.
  • the surface decoration processes of electronic equipment mainly include spraying, coating, anodizing, printing, ink-jet printing, film lamination, etc., which can realize patterns with different colors and effects.
  • the side wall part of the housing has the problem of white appearance, which affects the appearance of the housing.
  • the inventor found that the whitening phenomenon mainly occurs at the opening of the side wall of the housing, or at the position of the side wall of the housing corresponding to the assembly buckle. Specifically, the openings of various buttons, speakers, USB, and SIM cards on electronic equipment cannot be removed.
  • a concave-convex structure is usually provided on the inside of the housing, that is, the assembly buckle.
  • the upper cover is tightly buckled and fixed together by the above-mentioned concave-convex structure.
  • the present disclosure aims to alleviate or solve at least one of the above-mentioned problems to at least a certain extent.
  • the present disclosure proposes a housing.
  • the housing includes a housing base, the housing base is a transparent base, the housing base includes a main body and a plurality of side walls connected to the main body, and the main body and the side walls constitute an accommodating space,
  • the side wall has at least one of an opening and a concave-convex structure, the concave-convex structure is located on a side of the side wall close to the containing space; a decorative film layer, which covers the housing base The surface on one side of the containing space; a transparent paint layer, the transparent paint layer covering the surface of the shell substrate on the side away from the decorative film layer, at least having ink in the transparent paint layer, the ink covering At least a part of the side wall, and the opening and the concave-convex structure are located in a part of the side wall covered by the ink.
  • the present disclosure proposes a method of preparing a shell.
  • the method includes: providing an initial shell product, the shell initial product including a shell substrate and a decorative film layer, the shell substrate is a transparent substrate, and the shell substrate includes a main body and a polycrystalline body connected to the main body.
  • a side wall, the main body and the side wall constitute an accommodating space, the side wall has at least one of an opening and a concave-convex structure, and the concave-convex structure is located on a side of the side wall close to the accommodating space,
  • the decorative film layer covers the surface of the shell substrate on the side close to the containing space; a transparent paint layer is provided on the surface of the shell substrate on the side away from the decorative film layer, and at least on the transparent paint layer Ink is soaked in the ink so that the ink covers at least a part of the side wall, and the opening and the concave-convex structure are located in the part of the side wall covered by the ink to obtain the housing.
  • the present disclosure proposes an electronic device.
  • the electronic device includes: a housing, the housing being the aforementioned; a motherboard and a display screen, the motherboard and the display screen are located in the housing space of the housing, and the motherboard is close to the housing And the light emitting side of the display screen is arranged away from the housing.
  • Fig. 1 shows a structural schematic diagram of a housing according to an example of the present disclosure
  • Figure 2 shows an enlarged schematic diagram of the structure of area A in Figure 1;
  • Figure 3 shows a schematic structural diagram of a housing according to an example of the present disclosure
  • Figure 4 shows a schematic structural diagram of a housing according to another example of the present disclosure
  • Figure 5 shows a schematic structural diagram of a housing according to another example of the present disclosure.
  • Figure 6 shows a partial structural diagram of a housing according to an example of the present disclosure
  • Fig. 7 shows a schematic flow chart of a method for preparing a shell according to an example of the present disclosure
  • Fig. 8 shows a schematic structural diagram of an electronic device according to an example of the present disclosure
  • Fig. 9 shows a schematic structural diagram of a housing according to another example of the present disclosure.
  • 100 shell substrate; 110: main body; 120: side wall; 200: decorative film layer; 300: transparent paint layer; 400: transparent top paint layer; 500: transparent primer layer; 10: opening; 20: concave-convex structure ; 30: ink; 1000: shell.
  • the present disclosure proposes a housing.
  • the housing includes: a housing base 100, a decorative film layer 200, and a transparent paint layer 300.
  • the housing base 100 is a transparent base
  • the housing base 100 includes a main body 110 and A plurality of side walls 120 connected to the main body 110, the main body 100 and the side wall 120 constitute a receiving space, the side wall 120 has at least one of the opening 10 and the concave-convex structure 20, and the concave-convex structure 20 is located on one side of the side wall 120 close to the containing space.
  • the decorative film layer 200 covers the surface of the housing base 100 on the side close to the accommodating space
  • the transparent paint layer 300 covers the surface of the housing base 100 on the side away from the decorative film 200.
  • At least the transparent paint layer 300 has ink 30 (Figure 1 only shows the case where the ink is provided in the transparent lacquer layer), the ink 30 covers at least a part of the side wall 120, and the opening 10 and the concave-convex structure 20 are located in the part of the side wall 120 covered by the ink 30. Therefore, the whitening problem at the positions corresponding to the openings and the concave-convex structure of the outer surface of the casing can be effectively improved, so that the casing has a good appearance effect.
  • a transparent lacquer layer is provided on the outer surface of the shell substrate to ensure that the color effect of the decorative film layer on the inner surface of the shell substrate is presented.
  • the ink is arranged in the transparent lacquer layer, because the ink is located on the shell On the outside, and the ink covers the part of the sidewall with openings and uneven structures, which can effectively improve the problems of open holes and clear visible uneven structures caused by light refraction, so that the housing has a good appearance effect, and the ink is The appearance effect presented can be superimposed with the appearance effect presented by the decorative film layer on the inner side of the casing base, so as to further enrich the appearance of the casing.
  • the ink 30 may be further covered on the surface of the decorative film layer 200 exposed in the opening 10, so as to ensure that the entire appearance surface of the housing can see the appearance effect of the ink, and then Ensure the integrity of the appearance of the shell.
  • outer surface refers to the surface of the housing base on the side away from the accommodating space
  • inner surface refers to the surface of the housing base on the side close to the accommodating space
  • the opening 10 can be used as an opening for the volume button, power button, speaker, USB, and SIM card in the electronic device, and the concave-convex structure 20 can be used as an assembly buckle.
  • the concave-convex structure 20 can be a protrusion on the housing base (refer to FIG. 1).
  • the ink 30 is dispersed and distributed in the transparent lacquer layer 300.
  • the ink 30 may be formed in the transparent lacquer layer 300 using a thermal sublimation process.
  • the thermal sublimation process the ink Sublimation into a gas phase state and infiltrates into the transparent paint layer, simple operation, low cost, high efficiency, and the process is not limited by the shape of the shell substrate, that is, for shell substrates with larger bending angles, the same can be used This process forms ink in the clear lacquer layer.
  • the ink 30 in the transparent lacquer layer 300 can present complex appearance effects such as gradient color and color collision.
  • the color effect of the ink can be adjusted according to the desired appearance effect.
  • the final appearance effect at the side wall of the shell is consistent with the designed appearance effect, and the color is more vivid.
  • the color effect presented by the ink may be consistent with the appearance effect presented by the decorative film layer, or the color effect presented by the ink may also be inconsistent with the appearance effect presented by the decorative film layer.
  • the color of the ink 30 in the transparent paint layer 300 and the color of the ink 30 provided in the opening 10 may be the same or different. Those skilled in the art can follow the requirements for the appearance and color of the housing, etc. Flexible choice in actual situation.
  • nano-optical film particle ink may also be added to the ink 30.
  • a wide-angle discoloration effect, metallic texture effect, etc. can be achieved.
  • other functional inks can be added to the ink 30, so that the shell can obtain other effects.
  • the ink 30 covers at least a part of the outer surface of the side wall 120, and the opening 10 and the concave-convex structure 20 are located in the part of the side wall 120 covered by the ink 30.
  • the ink 30 may only cover a part of the surface of the side wall 120, and the opening 10 and the concave-convex structure 20 (not shown in the figure) are located in the part of the side wall 120 covered by the ink 30.
  • the ink 30 may cover the entire outer surface of the side wall 120.
  • ink is provided on all sides of the casing.
  • the problems of whiteness of the openings and clear visibility of the concave-convex structure caused by light refraction can be effectively improved, and the appearance of the entire side wall of the housing can be made uniform.
  • the ink 30 covers the entire outer surface of the side wall 120, that is, the ink 30 covers the aforementioned area B, thus, the problem of whiteness in the area B can be improved, and the appearance of the housing can be further enriched.
  • the ink 30 may further cover the outer surface of the main body 110.
  • the appearance at the main body of the casing is a superposition of the appearance effect presented by the ink and the appearance effect presented by the decorative film layer inside the casing base, which further enriches the appearance of the casing.
  • the clear lacquer layer 300 is relatively soft, which can allow the ink to penetrate more easily.
  • the transparent paint layer 300 may include a polyurethane paint layer (PU paint layer).
  • PU paint layer polyurethane paint layer
  • the ink can stably exist in the PU paint layer, so that the shell can obtain a stable and beautiful appearance.
  • the housing further includes a transparent top paint layer 400, and the transparent top paint layer 400 covers the transparent paint layer 300.
  • the transparent topcoat layer has good corrosion resistance and wear resistance. Therefore, the transparent topcoat layer serves as a protective layer to improve the wear resistance and corrosion resistance of the shell.
  • the transparent topcoat layer 400 may include a photocurable paint layer (UV paint layer).
  • UV paint layer a photocurable paint layer
  • the casing further includes a transparent primer layer 500, which covers the outer surface of the casing base 100 and is located between the casing base 100 and the transparent paint layer 300 .
  • a transparent primer layer 500 covers the outer surface of the casing base 100 and is located between the casing base 100 and the transparent paint layer 300 .
  • both the transparent top paint layer and the transparent primer layer cover the entire outer surface of the shell base, and FIG. 6 only shows a part of the structure of the shell.
  • the above-mentioned ink in addition to disposing the above-mentioned ink in the clear paint layer, the above-mentioned ink may also be disposed in other film layers.
  • the above-mentioned ink is arranged on one side of the shell base, and the ink covers the part of the side wall with the opening and the concave-convex structure.
  • the housing base 100 may include a glass base or a plastic base.
  • the housing base 100 may be a PMMA substrate or a PC substrate, and compared with glass, plastic has a lower cost and better drop resistance and impact resistance.
  • the decorative film layer may include a substrate, a photosensitive adhesive layer, a coating layer, and a cover ink layer that are stacked in sequence, wherein the substrate It is arranged close to the side of the shell base.
  • the present disclosure proposes a method of preparing a shell.
  • the casing prepared by this method may be the casing described above. Therefore, the casing prepared by this method may have the same features and advantages as the casing described above. This will not be repeated here.
  • the method includes:
  • the preliminary shell product may include a shell substrate and a decorative film layer covering the inner surface of the shell substrate.
  • the shell substrate is a transparent substrate.
  • a side wall, the side wall has at least one of an opening and a concave-convex structure, and the concave-convex structure is located on the inner surface of the side wall.
  • the openings can be used as openings for volume keys, power keys, speakers, USB, and SIM cards in electronic equipment.
  • the concave-convex structure can be used as assembly buckles to fix the shell and the upper cover when assembling.
  • the decorative film can Make the initial shell product present a certain appearance effect.
  • the preparation process of the decorative film layer is not particularly limited, and those skilled in the art can use the relatively mature process described above for preparation.
  • a transparent lacquer layer is provided on the outer surface of the shell substrate, and ink is at least infiltrated into the transparent lacquer layer.
  • the decorative film layer is located on the inner surface of the shell body, which can make the shell body present a certain appearance effect.
  • the shell body is a transparent substrate and the opening is located on the side wall , The side wall has a certain curvature. Under the action of light refraction, it will cause whitening at the opening of the initial shell.
  • the thickness of the concave-convex structure on the inner surface of the side wall is inconsistent with other parts.
  • a transparent lacquer layer is provided on the outer surface of the preliminary shell (that is, the outer surface of the shell substrate), and ink is infiltrated into the transparent lacquer layer.
  • the ink covers at least a part of the outer surface of the side wall, and the side wall is covered by
  • the part covered by the ink has an open hole and a concave-convex structure.
  • the infiltration of ink into the transparent paint layer may include: first, setting the ink on the transfer paper (for example, inkjet printing, spraying, silk printing, etc.) to obtain the transfer film. Subsequently, the initial shell product is placed in the heat transfer mold, and the heat transfer film is covered on the transparent paint layer, and the ink is arranged close to the transparent paint layer. Subsequently, the thermal transfer mold is closed and heated, so that the ink penetrates into the transparent lacquer layer.
  • the transfer paper for example, inkjet printing, spraying, silk printing, etc.
  • the above processes are simple to operate, have higher efficiency, lower cost, and are easy to achieve complex appearance effects (such as gradient colors, color collisions, etc.), and the color effects are more vivid, and
  • the above process is not limited by the shape of the shell base, and can realize the coloring of the shell base with a larger bending angle.
  • the heating temperature may be 100-150°C, such as 100°C, 110°C, 120°C, 130°C, 140°C, 150°C, and the heating time may be 4-10s, Such as 4s, 5s, 6s, 7s, 8s, 9s, 10s. Therefore, the ink can be easily sublimated into a gas phase state and penetrated into the transparent paint layer under the above-mentioned conditions.
  • a transparent primer layer before arranging the transparent paint layer on the outer surface of the shell base, a transparent primer layer can also be arranged on the outer surface of the shell base in advance, and then the transparent primer layer is further away from the shell base.
  • a transparent paint layer is set on one side.
  • the method may further include arranging a transparent top paint layer on the side of the transparent paint layer away from the shell substrate. As a result, the wear resistance and corrosion resistance of the casing can be improved.
  • the above-mentioned ink in addition to disposing the above-mentioned ink in the clear paint layer, the above-mentioned ink may also be disposed in other film layers.
  • the above-mentioned ink is arranged on one side of the shell base, and the ink covers the part of the side wall with the opening and the concave-convex structure.
  • the problems of whiteness of the openings and clear visibility of the concave-convex structure caused by light refraction can be further improved, and the appearance of the housing can be further enriched.
  • the specific method of disposing the ink between the decorative film layer and the shell substrate is not particularly limited, and those skilled in the art can design according to the specific situation.
  • the present disclosure proposes an electronic device.
  • the electronic device includes: a main board of a casing 1000 and a display screen (not shown in the figure), the casing 1000 is the casing described above, and the main board and the display screen are located in the casing.
  • the main board is arranged close to the housing 1000, and the light-emitting side of the display screen is arranged away from the housing 1000. Therefore, the electronic device has all the features and advantages of the housing described above, and will not be repeated here. In general, the electronic device has a good appearance effect.
  • the electronic device may be any of various types of computer system devices that are mobile or portable and perform wireless communication.
  • the electronic device may be a mobile phone or a smart phone, a portable game device, a laptop computer, a personal digital assistant, a portable Internet device, a music player, and a data storage device, other handheld devices, such as watches, etc. Therefore, the above-mentioned electronic device has a good appearance effect.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Casings For Electric Apparatus (AREA)
  • Telephone Set Structure (AREA)

Abstract

本公开公开了壳体及制备方法、电子设备。所述壳体包括：壳体基体，所述壳体基体为透明基体，所述壳体基体包括主体以及与所述主体相连的多个侧壁，所述主体和所述侧壁构成容纳空间，所述侧壁上具有开孔和凹凸结构的至少之一，所述凹凸结构位于所述侧壁靠近所述容纳空间的一侧；装饰膜层，所述装饰膜层覆盖所述壳体基体靠近所述容纳空间一侧的表面；透明漆层，所述透明漆层覆盖所述壳体基体远离所述装饰膜层一侧的表面，至少在所述透明漆层中具有油墨，所述油墨覆盖所述侧壁的至少一部分，且所述开孔和所述凹凸结构位于所述侧壁被所述油墨覆盖的部分。

Description

壳体及制备方法、电子设备
优先权信息
本公开请求2020年03月04日向中国国家知识产权局提交的、专利申请号为202010143664.9的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本公开涉及电子设备技术领域，具体地，涉及壳体及制备方法、电子设备。
背景技术
目前电子设备(如手机)的表面装饰工艺主要有喷涂、镀膜、阳极氧化、印刷、喷墨打印、膜片贴合等，可实现不同颜色、效果的图案。
然而，目前电子设备的外观效果仍有待改进。
发明内容
本公开是基于发明人对于以下事实和问题的发现和认识作出的：
目前，壳体的侧壁部分存在外观露白的问题，影响壳体的外观。发明人发现，露白现象主要出现在壳体侧壁的开孔处，或者，出现在壳体侧壁与装配扣位相对应的位置处。具体的，电子设备上的各种按键、扬声器、USB、SIM卡的开孔还无法去除，而且为了保证整机装配，通常会在壳体内侧设置凹凸结构，即装配扣位，装配时壳体通过上述凹凸结构与上盖紧密扣合固定在一起。发明人发现，在透明壳体基体上加工出上述开孔和凹凸结构，并在壳体基体内表面设置装饰膜层后，由于壳体基体为透明基体，经光折射后会在壳体外表面的开孔处和凹凸结构处出现露白现象，影响壳体的外观。
本公开旨在至少一定程度上缓解或解决上述提及问题中至少一个。
在本公开的一个方面，本公开提出了一种壳体。所述壳体包括：壳体基体，所述壳体基体为透明基体，所述壳体基体包括主体以及与所述主体相连的多个侧壁，所述主体和所述侧壁构成容纳空间，所述侧壁上具有开孔和凹凸结构的至少之一，所述凹凸结构位于所述侧壁靠近所述容纳空间的一侧；装饰膜层，所述装饰膜层覆盖所述壳体基体靠近所述容纳空间一侧的表面；透明漆层，所述透明漆层覆盖所述壳体基体远离所述装饰膜层一侧的表面，至少在所述透明漆层中具有油墨，所述油墨覆盖所述侧壁的至少一部分，且所述开孔和所述凹凸结构位于所述侧壁被所述油墨覆盖的部分。
在本公开的另一方面，本公开提出了一种制备壳体的方法。所述方法包括：提供壳体初品，所述壳体初品包括壳体基体和装饰膜层，所述壳体基体为透明基体，所述壳体基体包括主体以及与所述主体相连的多个侧壁，所述主体和所述侧壁构成容纳空间，所述侧壁上具有开孔和凹凸结构的至少之一，所述凹凸结构位于所述侧壁靠近所述容纳空间的一侧，所述装饰膜层覆盖所述壳体基体靠近所述容纳空间一侧的表面；在所述壳体基体远离所述装饰膜层一侧的表面设置透明漆层，并至少在所述透明漆层中渗入油墨，令所述油墨覆盖所述侧壁的至少一部分，且所述开孔和所述凹凸结构位于所述侧壁被所述油墨覆盖的部分，以获得所述壳体。
在本公开的另一方面，本公开提出了一种电子设备。所述电子设备包括：壳体，所述壳体为前面所述的；主板以及显示屏，所述主板以及所述显示屏位于所述壳体的容纳空间内，所述主板靠近所述壳体设置，且所述显示屏的出光侧远离所述壳体设置。
附图说明
本公开的上述和/或附加的方面和优点从结合下面附图对示例的描述中将变得明显和容易理解，其中：
图1显示了根据本公开一个示例的壳体的结构示意图；
图2显示了图1中A区域结构的放大示意图；
图3显示了根据本公开一个示例的壳体的结构示意图；
图4显示了根据本公开另一个示例的壳体的结构示意图；
图5显示了根据本公开另一个示例的壳体的结构示意图；
图6显示了根据本公开一个示例的壳体的部分结构示意图；
图7显示了根据本公开一个示例的制备壳体的方法的流程示意图；
图8显示了根据本公开一个示例的电子设备的结构示意图；
图9显示了根据本公开另一个示例的壳体的结构示意图。
附图标记说明：
100：壳体基体；110：主体；120：侧壁；200：装饰膜层；300：透明漆层；400：透明面漆层；500：透明底漆层；10：开孔；20：凹凸结构；30：油墨；1000：壳体。
发明详细描述
下面详细描述本公开的示例，所述示例在附图中示出，其中自始至终相同或类似的 标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的示例是示例性的，仅用于解释本公开，而不能理解为对本公开的限制。
在本公开的一个方面，本公开提出了一种壳体。在本公开的一些示例中，参考图1，该壳体包括：壳体基体100、装饰膜层200和透明漆层300，其中，壳体基体100为透明基体，壳体基体100包括主体110以及与主体110相连的多个侧壁120，主体100与侧壁120构成容纳空间，侧壁120上具有开孔10和凹凸结构20的至少之一，凹凸结构20位于侧壁120靠近容纳空间的一侧，装饰膜层200覆盖壳体基体100靠近容纳空间一侧的表面，透明漆层300覆盖壳体基体100远离装饰膜层200一侧的表面，至少在透明漆层300中具有油墨30(图1中仅示出了在透明漆层中设置油墨的情况)，油墨30覆盖侧壁120的至少一部分，且开孔10和凹凸结构20位于侧壁120被油墨30覆盖的部分。由此，可有效改善壳体外表面与开孔和凹凸结构相对应位置处的露白问题，使得壳体具有良好的外观效果。
在本公开的一些示例中，在壳体基体的外表面设置透明漆层，可以保证壳体基体内表面装饰膜层的颜色效果呈现出来，在透明漆层中设置油墨，由于油墨位于壳体的外侧，并且油墨覆盖侧壁具有开孔和凹凸结构的部分，由此，可有效改善光折射带来的开孔露白和凹凸结构清晰可见等问题，使得壳体具有良好的外观效果，并且油墨所呈现的外观效果可以与壳体基体内侧装饰膜层所呈现的外观效果叠加，进一步丰富壳体的外观。
在另一些实施例中，参照图9，油墨30可以进一步覆盖在开孔10中暴露的装饰膜层200的表面上，如此可以保证壳体的整个外观面看到油墨的呈现的外观效果，进而保证壳体外观效果的整体性。
需要说明的是，“外表面”是指壳体基体远离容纳空间一侧的表面，“内表面”是指壳体基体靠近容纳空间一侧的表面。
在本公开的一些示例中，开孔10可作为电子设备中音量键、电源键、扬声器、USB、SIM卡的开孔，凹凸结构20可作为装配扣位，在壳体与上盖组装时起到固定作用，凹凸结构20可以为壳体基体上的凸起(参考图1)。
在本公开的一些示例中，参考图2，油墨30分散分布在透明漆层300中，具体的，油墨30可以是利用热升华工艺形成在透明漆层300中的，在热升华过程中，油墨升华成气相状态并渗入透明漆层中，操作简单、成本低、效率高，且该工艺不受壳体基体形状的限制，也即是说，针对弯曲角度较大的壳体基体，同样可采用该工艺在透明漆层中形成油墨。
在本公开的一些示例中，透明漆层300中的油墨30可呈现渐变色、撞色等复杂的 外观效果，在制备过程中，根据所需呈现的外观效果调整油墨的颜色效果即可，可以使壳体侧壁处最终呈现的外观效果与设计的外观效果一致，色彩更加鲜艳。
需要说明的是，油墨呈现的颜色效果可以与装饰膜层呈现的外观效果一致，或者，油墨呈现的颜色效果还可以与装饰膜层呈现的外观效果不一致。进一步，如图9所示，透明漆层300中的油墨30的颜色与开孔10中设置的油墨30的颜色可以一致，也可以不一致，本领域技术人员可以根据对壳体外观色彩的要求等实际情况灵活选择。
在本公开的一些示例中，油墨30中还可以加入纳米光学膜颗粒油墨。由此，可以实现大角度变色效果、金属质感效果等。或者，油墨30中还可以加入其他功能性的油墨，从而可以使壳体获得其他效果。
在本公开的一些示例中，油墨30覆盖侧壁120外表面的至少一部分，且开孔10和凹凸结构20位于侧壁120被油墨30覆盖的部分。具体的，参考图3，油墨30可仅覆盖侧壁120的部分表面，且开孔10和凹凸结构20(图中未示出)位于侧壁120被油墨30覆盖的部分。由此，可有效改善光折射带来的开孔露白和凹凸结构清晰可见的问题，使得壳体具有良好的外观。
在本公开的另一些示例中，参考图4中的(a)和(b)，油墨30可以覆盖侧壁120的整个外表面。也即是说，壳体的四周均设置有油墨。由此，可有效改善光折射带来的开孔露白和凹凸结构清晰可见的问题，同时使得壳体整个侧壁处的外观一致。发明人发现，由于侧壁靠近主体处(如图4中的(b)所示出的区域B)的厚度相对较大，因此，在光折射作用下，该区域也会存在露白的问题。油墨30覆盖侧壁120的整个外表面，也即是说，油墨30覆盖前面所述的区域B，由此，可以改善区域B露白的问题，进一步丰富壳体的外观。
在本公开的一些示例中，参考图5，油墨30还可以进一步覆盖主体110的外表面。由此，壳体主体处的外观为油墨所呈现的外观效果与壳体基体内侧装饰膜层所呈现的外观效果的叠加，进一步丰富壳体的外观。
在本公开的一些示例中，透明漆层300较为松软，可以使油墨较为容易的渗入。具体的，透明漆层300可以包括聚氨酯漆层(PU漆层)。由此，油墨可稳定的存在于PU漆层中，使得壳体获得稳定且漂亮的外观。
在本公开的一些示例中，参考图6，该壳体进一步包括透明面漆层400，透明面漆层400覆盖透明漆层300。透明面漆层具有较好的耐腐蚀性和耐磨性，由此，透明面漆层作为保护层，可提升壳体的耐磨性和耐腐蚀性。
在本公开的一些示例中，透明面漆层400可以包括光固化漆层(UV漆层)。由此， 可提升壳体的耐磨性和耐腐蚀性。
在本公开的一些示例中，参考图6，该壳体进一步包括透明底漆层500，透明底漆层500覆盖壳体基体100的外表面，并位于壳体基体100和透明漆层300之间。由此，可增强透明漆层与壳体基体之间的附着力，进一步提升壳体外观的稳定性。
需要说明的是，透明面漆层和透明底漆层均覆盖壳体基体的整个外表面，图6仅示出了壳体的部分结构。
在本公开的一些示例中，除了在透明漆层中设置上述油墨，还可以在其他膜层中也设置上述油墨，例如，在透明漆层中设置上述油墨的基础上，进一步在装饰膜层靠近壳体基体的一侧设置上述油墨，且该油墨覆盖侧壁具有开孔和凹凸结构的部分。由此，可以进一步改善光折射带来的开孔露白和凹凸结构清晰可见等问题，进一步丰富壳体的外观。
关于壳体基体的构成材料不受特别限制，例如，在本公开的一些示例中，壳体基体100可以包括玻璃基体或者塑胶基体。当壳体基体100为塑胶基体时，可以为PMMA基板或者PC基板，且塑胶相较于玻璃而言，成本更低，抗跌落和冲击性能更好。
关于装饰膜层的具体结构不受特别限制，例如，在本公开的一些示例中，装饰膜层可以包括依次层叠设置的基材、光敏胶层、镀膜层、盖底油墨层，其中，基材靠近壳体基体一侧设置。
在本公开的另一方面，本公开提出了一种制备壳体的方法。在本公开的一些示例中，由该方法制备的壳体可以为前面所描述的壳体，由此，由该方法制备的壳体可以具有与前面所描述的壳体相同的特征以及优点，在此不再赘述。
在本公开的一些示例中，参考图7，该方法包括：
S100：提供壳体初品
在该步骤中，提供壳体初品。在本公开的一些示例中，该壳体初品可以包括壳体基体和覆盖壳体基体内表面的装饰膜层，其中，壳体基体为透明基体，壳体基体包括主体以及与主体相连的多个侧壁，侧壁上具有开孔和凹凸结构的至少之一，凹凸结构位于侧壁的内表面。其中，开孔可作为电子设备中音量键、电源键、扬声器、USB、SIM卡的开孔，凹凸结构可作为装配扣位，在壳体与上盖组装时起到固定作用，装饰膜层可使壳体初品呈现一定的外观效果。
关于装饰膜层的制备工艺不受特别限制，本领域技术人员可以采用前面所描述的较为成熟的工艺进行制备。
S200：在壳体基体的外表面设置透明漆层，并至少在透明漆层中渗入油墨
在该步骤中，在壳体基体的外表面设置透明漆层，并至少在透明漆层中渗入油墨。在壳体初品中，装饰膜层位于壳体基体的内表面，可以使壳体初品呈现一定的外观效果，然而，如前所述，壳体基体为透明基体，开孔位于侧壁上，侧壁具有一定的弧度，在光折射作用下，会导致壳体初品开孔处有露白现象，侧壁内表面凹凸结构处的厚度与其他部分不一致，在光折射作用下，会导致侧壁内侧的凹凸结构清晰可见，影响壳体初品的外观。在该步骤中，在壳体初品的外表面(即壳体基体的外表面)设置透明漆层，并在透明漆层中渗入油墨，油墨覆盖侧壁外表面的至少一部分，且侧壁被油墨覆盖的部分具有开孔和凹凸结构。由此，可有效改善光折射作用带来的开孔露白和凹凸结构清晰可见的问题，使得最终获得的壳体具有良好的外观效果。
在本公开的一些示例中，在透明漆层中渗入油墨可以包括：首先，在转印纸上设置油墨(如可以通过喷墨打印、喷涂、丝印等方式)，获得转印膜片。随后，将壳体初品放置在热转印模具中，并将热转印膜片覆盖在透明漆层上，且油墨靠近透明漆层设置。随后，将热转印模具进行合模，并加热，使得油墨渗入透明漆层中。相较于喷涂、镀膜、膜片贴合等工艺，上述工艺操作简单、效率较高、成本较低且易实现复杂的外观效果(如渐变色、撞色等)，颜色效果也更鲜艳，并且上述工艺不受壳体基体形状的限制，可实现弯曲角度较大壳体基体的着色。
在本公开的一些示例中，上述过程中，加热的温度可以为100-150℃，如100℃、110℃、120℃、130℃、140℃、150℃，加热的时间可以为4-10s，如4s、5s、6s、7s、8s、9s、10s。由此，在上述条件下可简便的将油墨升华成气相状态并渗入透明漆层中。
关于透明漆层的具体材料，前面已经进行了详细描述，在此不再赘述。
关于油墨覆盖面积的大小，前面也已经进行了详细描述，在此不再赘述。
在本公开的一些示例中，在壳体基体外表面设置透明漆层之前，还可以预先在壳体基体外表面上设置一层透明底漆层，随后再在透明底漆层远离壳体基体的一侧设置透明漆层。由此，可增强透明漆层与壳体基体之间的附着力，进一步提升壳体外观的稳定性。
在本公开的一些示例中，在透明漆层中渗入油墨后，该方法还可以包括在透明漆层远离壳体基体的一侧设置透明面漆层。由此，可提升壳体的耐磨性和耐腐蚀性。
在本公开的一些示例中，除了在透明漆层中设置上述油墨，还可以在其他膜层中也设置上述油墨，例如，在透明漆层中设置上述油墨的基础上，进一步在装饰膜层靠近壳体基体的一侧设置上述油墨，且该油墨覆盖侧壁具有开孔和凹凸结构的部分。由此，可以进一步改善光折射带来的开孔露白和凹凸结构清晰可见等问题，进一步丰富壳体的外观。关于在装饰膜层和壳体基体之间设置油墨的具体方式不受特别限制，本领域技术人 员可以根据具体情况进行设计。
在本公开的另一方面，本公开提出了一种电子设备。在本公开的一些示例中，参考图8，该电子设备包括：壳体1000主板以及显示屏(图中未示出)，壳体1000为前面所描述的壳体，主板以及显示屏位于壳体1000的内表面，主板靠近壳体1000设置，且显示屏的出光侧远离壳体1000设置。由此，该电子设备具有前面所描述的壳体的全部特征以及优点，在此不再赘述。总的来说，该电子设备具有良好的外观效果。
在本公开的一些示例中，该电子设备可以为移动或便携式并执行无线通信的各种类型的计算机系统设备中的任何一种。具体的，电子设备可以为移动电话或智能电话、便携式游戏设备、膝上型电脑、个人数字助理、便携式互联网设备、音乐播放器以及数据存储设备，其他手持设备以及诸如手表等。由此，上述电子设备具有良好的外观效果。
在本公开的描述中，术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开而不是要求本公开必须以特定的方位构造和操作，因此不能理解为对本公开的限制。
在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同示例以及不同示例的特征进行结合和组合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (16)

  1. 一种壳体，其特征在于，包括：
    壳体基体，所述壳体基体为透明基体，所述壳体基体包括主体以及与所述主体相连的多个侧壁，所述主体和所述侧壁构成容纳空间，所述侧壁上具有开孔和凹凸结构的至少之一，所述凹凸结构位于所述侧壁靠近所述容纳空间的一侧；
    装饰膜层，所述装饰膜层覆盖所述壳体基体靠近所述容纳空间一侧的表面；
    透明漆层，所述透明漆层覆盖所述壳体基体远离所述装饰膜层一侧的表面，至少在所述透明漆层中具有油墨，所述油墨覆盖所述侧壁的至少一部分，且所述开孔和所述凹凸结构位于所述侧壁被所述油墨覆盖的部分。
  2. 根据权利要求1所述的壳体，其特征在于，所述油墨覆盖所述侧壁远离所述装饰膜层一侧的整个表面。
  3. 根据权利要求1所述的壳体，其特征在于，所述油墨进一步覆盖在所述开孔中暴露的所述装饰膜层的表面上。
  4. 根据权利要求1所述的壳体，其特征在于，所述油墨进一步覆盖所述主体远离所述装饰膜层一侧的表面。
  5. 根据权利要求1所述的壳体，其特征在于，所述透明漆层包括聚氨酯漆层。
  6. 根据权利要求1所述的壳体，其特征在于，进一步包括：
    透明面漆层，所述透明面漆层覆盖所述透明漆层。
  7. 根据权利要求6所述的壳体，其特征在于，所述透明面漆层包括光固化漆层。
  8. 根据权利要求1所述的壳体，其特征在于，进一步包括：
    透明底漆层，所述透明底漆层覆盖所述壳体基体远离所述装饰膜层一侧的表面，并位于所述壳体基体和所述透明漆层之间。
  9. 根据权利要求1所述的壳体，其特征在于，所述壳体基体包括玻璃基体或者塑胶基体。
  10. 根据权利要求1所述的壳体，其特征在于，所述油墨中掺杂有纳米光学膜颗粒油墨。
  11. 一种制备壳体的方法，其特征在于，包括：
    提供壳体初品，所述壳体初品包括壳体基体和装饰膜层，所述壳体基体为透明基体，所述壳体基体包括主体以及与所述主体相连的多个侧壁，所述主体和所述侧壁构成容纳空间，所述侧壁上具有开孔和凹凸结构的至少之一，所述凹凸结构位于所述侧壁靠近所述容纳空间的一侧，所述装饰膜层覆盖所述壳体基体靠近所述容纳空间一侧的表面；
    在所述壳体基体远离所述装饰膜层一侧的表面设置透明漆层，并至少在所述透明漆层中渗入油墨，令所述油墨覆盖所述侧壁的至少一部分，且所述开孔和所述凹凸结构位于所述侧壁被所述油墨覆盖的部分，以获得所述壳体。
  12. 根据权利要求11所述的方法，其特征在于，在所述透明漆层中渗入所述油墨是通过热升华工艺实现的。
  13. 根据权利要求12所述的方法，其特征在于，在所述透明漆层中渗入所述油墨包括：
    在转印纸上设置所述油墨，获得转印膜片；
    将所述壳体初品放置在热转印模具中，并将所述转印膜片覆盖在所述透明漆层上，所述油墨靠近所述透明漆层设置；
    将所述热转印模具进行合模，并加热，令所述油墨渗入所述透明漆层中。
  14. 根据权利要求13所述的方法，其特征在于，所述加热的温度为100-150℃，所述加热的时间为4-10s。
  15. 根据权利要求13所述的方法，其特征在于，进一步包括：
    在所述透明漆层远离所述壳体基体的一侧设置透明面漆层。
  16. 一种电子设备，其特征在于，包括：
    壳体，所述壳体为权利要求1-10任一项所述的；
    主板以及显示屏，所述主板以及所述显示屏位于所述壳体的容纳空间内，所述主板靠近所述壳体设置，且所述显示屏的出光侧远离所述壳体设置。
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