CN113315856A - Mobile terminal, rear cover of mobile terminal and manufacturing method thereof - Google Patents
Mobile terminal, rear cover of mobile terminal and manufacturing method thereof Download PDFInfo
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- CN113315856A CN113315856A CN202010123486.3A CN202010123486A CN113315856A CN 113315856 A CN113315856 A CN 113315856A CN 202010123486 A CN202010123486 A CN 202010123486A CN 113315856 A CN113315856 A CN 113315856A
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Images
Classifications
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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
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/02—Superimposing layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
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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
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
- H04M19/048—Arrangements providing optical indication of the incoming call, e.g. flasher circuits
Abstract
The invention discloses a mobile terminal, a rear cover of the mobile terminal and a manufacturing method thereof, wherein the rear cover comprises: the OLED device comprises a rear cover body, a substrate layer and an OLED light-emitting piece, wherein the substrate layer is made of plastic or resin material; the OLED light-emitting piece comprises an organic light-emitting layer, a conductive cathode and a conductive anode, the organic light-emitting layer, the conductive cathode and the conductive anode form an OLED control circuit together, the OLED light-emitting piece is arranged on the surface of one side of the base material layer, and the OLED control circuit is constructed to be triggered to emit light after receiving a preset signal. Through locating the inboard of substrate layer with the luminous piece of OLED to the luminous piece of OLED does not give out light when mobile terminal does not receive preset signal, and the OLED piece of back lid can give out light when receiving preset signal, and not only the appearance is pleasing to the eye beautiful, can have the effect that the matter was reminded moreover, uses and experiences better.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a mobile terminal, a rear cover of the mobile terminal and a manufacturing method of the rear cover.
Background
At present, the glare film rear covers of mobile phones, flat plates, wearable devices and the like are generally CG rear covers, are attached with embossing patterns, are plated with NCVM (non-conductive film), and then are printed with glare PET films at the bottoms.
The structure has the defects of single appearance, high product isotropy in the market, no competitive advantage and poor customer experience.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a mobile terminal, a rear cover of the mobile terminal, and a method of manufacturing the same.
According to the rear cover of the mobile terminal of the embodiment of the first aspect of the present invention, the rear cover includes: back lid body, back epiphragma includes: the OLED device comprises a substrate layer and an OLED light-emitting piece, wherein the substrate layer is made of plastic or resin material; the OLED light-emitting piece comprises an organic light-emitting layer, a conductive cathode and a conductive anode, the organic light-emitting layer, the conductive cathode and the conductive anode form an OLED control circuit together, the OLED light-emitting piece is arranged on one side surface of the substrate layer, the OLED control circuit is constructed to be capable of being triggered to emit light after receiving a preset signal, the OLED light-emitting piece is arranged on the inner side of the substrate layer, the OLED light-emitting piece does not emit light when the mobile terminal does not receive the preset signal, the OLED piece of the rear cover can emit light when the preset signal is received, the appearance is attractive, the function of item reminding can be achieved, and the use experience is better.
Especially, many employees usually need to adjust communication equipment such as mobile phones to be mute in the situations of meetings, training and the like, so that important calls or important messages are inconvenient to perceive.
In some embodiments, the OLED display panel further comprises a decorative film, the decorative film and the OLED light-emitting piece are located on two sides of the substrate layer or on the same side of the substrate layer, and one side, back to the substrate layer, of the decorative film is attached to the rear cover body. Therefore, the decorative film is arranged between the rear cover body and the base material layer, and not only is the pattern attractive, but also the protective and insulating effects are achieved.
In some embodiments, the substrate layer is a translucent substrate, which facilitates the light emitted from the OLED light emitting member to transmit through the substrate.
In some embodiments, the decorative film is located on the outer side of the substrate layer, and the OLED light emitting member is located on the inner side of the substrate layer. From this, the decorative film makes the appearance more pleasing to the eye in the outside of substrate layer, and the inboard of substrate layer is located to the luminous piece of OLED not only makes things convenient for the processing preparation, has reduced the production degree of difficulty, makes the back lid assemble the main control panel's that is more convenient when being located inboard when the fuselage of mobile terminal moreover be connected.
In some embodiments, the conductive cathode and the conductive anode are respectively disposed on two sides of the organic light emitting layer, and the conductive anode is sandwiched between the substrate layer and the organic light emitting layer. Therefore, the conductive anode, the conductive cathode and the organic light-emitting layer are formed into a multilayer structure, and the thickness of the whole rear cover is reduced due to the laminated arrangement.
In some embodiments, the conductive anode is a nano silver plating layer, and the conductive cathode is an ITO conductive film layer. Therefore, the nano silver layer and the ITO conductive layer can enable the light-emitting piece to emit light, can display various patterns and display more diversified and cool images.
A mobile terminal according to an embodiment of the second aspect of the present invention includes: the device comprises a machine body and a rear cover, wherein the machine body is provided with a main control circuit board; the back housing cap is in the back of fuselage, the OLED control circuit of OLED light-emitting component with main control circuit board electricity is connected, in order to be in main control circuit board receives and gives out light when predetermineeing the signal. Therefore, the substrate layer has good transmittance, each conducting layer and the light-emitting layer are transparent layers, the organic light-emitting layers emit light under the control of the circuit of the whole machine, the self-luminous dazzling rear cover is more attractive in appearance, and user experience is improved.
In some embodiments, the OLED lighting element is configured to illuminate when the master circuit board receives an incoming call signal, and to illuminate when the master circuit board receives at least one of: and receiving a short message, a voice call request, a video call request and a Bluetooth pairing request. Therefore, when the mobile terminal receives an incoming call signal, the OLED light-emitting piece is triggered to emit light, and when a short message, a voice call request, a video call request and Bluetooth pairing are received, the OLED light-emitting piece can emit light, so that the rear cover can emit light under various situations, and the mobile terminal is more diversified in function and more suitable for the requirements of users.
In some embodiments, the OLED light emitter is configured to: and displaying different light-emitting patterns when the main control circuit board receives different preset signals. Specifically, the OLED light emitting device can display different light emitting patterns when receiving an incoming call, a short message, a voice call request, a video call request, and a bluetooth pairing request, so that each pattern uniquely corresponds to one communication pattern. Therefore, the user can directly judge which kind of received communication signals according to different light-emitting patterns, the judgment is more visual and detailed, and the patterns can be further customized in a personalized manner according to the requirements of the user.
A method of manufacturing a rear cover of a mobile terminal according to an embodiment of a third aspect of the present invention includes: manufacturing a decorative film: stamping a glare film on the surface of one side of the base material layer by adopting UV glue, plating a non-conductive protective film on the surface of the glare film, and stamping semitransparent bottom-covering ink on the surface of the non-conductive film; manufacturing a luminous piece: and stamping silver on the other side surface of the substrate layer to form a conductive anode, coating an organic light-emitting layer on the surface of the conductive anode in a spin coating manner, and evaporating an ITO cathode on the surface of the organic light-emitting layer. Therefore, the nano silver layer and the ITO conductive layer can enable the light-emitting piece to emit light, can display various patterns and display more diversified and cool images.
By adopting the manufacturing method of the rear cover in the embodiment, the Deco Film is stamped on the CG surface attached to the substrate layer (PET) by adopting a UV adhesive stamping technology, then NCVM Film coating is carried out, semi-transparent bottom printing ink is stamped, silver is stamped and filled on the other surface to form a conductive anode, then the organic light emitting layer is coated by spin coating, and then an ITO cathode is evaporated.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention 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 a schematic view of a rear cover of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a rear cover of a mobile terminal according to an embodiment of the present invention.
Reference numerals:
the rear cover (100) is provided with a cover,
a rear cover film 10, a substrate layer 11, an OLED light emitting member 12, an organic light emitting layer 121, a conductive cathode 122, a conductive anode 123, a decorative film 13,
a rear cover body 20.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A mobile terminal, a rear cover 100 of the mobile terminal, and a method of manufacturing the same according to embodiments of the present invention are described below with reference to fig. 1 to 2.
As shown in fig. 1, according to a rear cover 100 of a mobile terminal according to an embodiment of a first aspect of the present invention, the rear cover 100 includes: a rear cover body 20 and a rear cover film 10.
As shown in fig. 2, the back cover film 10 includes: substrate layer 11, OLED light-emitting piece 12 and decorative film 13. The rear cover body 20 may be a CG (glass cover), the substrate layer 11 may be made of plastic or resin material, specifically, the substrate layer 11 may be PET (Polyethylene terephthalate), and the substrate layer 11 may be made of transparent or translucent material.
The OLED light-emitting member 12 includes an organic light-emitting layer 121, a conductive cathode 122 and a conductive anode 123, the organic light-emitting layer 121, the conductive cathode 122 and the conductive anode 123 together form an OLED control circuit, the OLED light-emitting member 12 is disposed on a side surface of the substrate layer 11, and the OLED control circuit is configured to be triggered to emit light after receiving a preset signal. Taking a mobile phone as an example, that is, the OLED light emitting element 12 can emit light when the mobile phone receives a predetermined signal (e.g., an incoming signal).
According to the rear cover 100 provided by the embodiment of the invention, the OLED light-emitting piece 12 is arranged on the inner side of the substrate layer 11, so that the OLED light-emitting piece 12 does not emit light when the mobile terminal does not receive the preset signal, and the OLED piece of the rear cover 100 can emit light when the mobile terminal receives the preset signal, therefore, the appearance is attractive, the function of item reminding can be achieved, and the use experience is better.
Especially, many employees usually need to mute communication equipment such as mobile phones in situations such as meetings, training and the like, so that important calls or important messages are inconvenient to perceive, the mobile phone screen can be placed downwards in the use occasions by adopting the rear cover 100 provided by the embodiment of the invention, distraction to users and reduction of work efficiency caused by frequent lighting of the screen are avoided, important reminding can be directly perceived by lighting of the rear cover 100, and the use experience is better.
It is understood that the outer side of the substrate layer 11 is the side facing away from the body of the mobile terminal when the mobile terminal is assembled, i.e. the side exposed to the outside; the inner side of the substrate layer 11 is a side facing the body of the mobile terminal when the mobile terminal is assembled, that is, a side hidden inside after the assembly.
The decorative film 13 and the OLED light-emitting member 12 are located on two sides of the substrate layer 11 or on the same side, and the decorative film 13 is back on the back of the substrate layer 11 and the rear cover body 20 is attached to the rear cover body. For example, in some embodiments, the decorative film 13 is located outside the substrate layer 11, and the OLED light emitting member 12 is located inside the substrate layer 11. In other embodiments, the OLED light emitting member 12 is located outside the substrate layer 11, and the decorative film 13 is disposed outside the substrate layer 11. Therefore, the decorative film is arranged between the rear cover body and the base material layer, and not only is the pattern attractive, but also the protective and insulating effects are achieved.
In some embodiments, the decoration film 13 includes a glare film, a non-conductive protective film, and a cover ink, which are sequentially stacked. Specifically, the outer side surface of the PET substrate layer 11 is imprinted with decho Film (glare Film) by using a UV offset printing technology, and then is coated with NCVM (non-conductive protective Film) and then is printed with semi-transparent bottom ink, so that the outer side surface of the rear cover 100 forms a texture side. From this, dazzle the light film and have better decorative effect, the non-conducting protection film still has better insulating effect, and the surface of printing to substrate texture side is covered to the semi-permeable in addition, and the solidification for the pattern is more firm, durable.
In the embodiment shown in fig. 2, the decorative film 13 is located outside the substrate layer 11, and the OLED light emitting member 12 is located inside the substrate layer 11. Therefore, the decorative film 13 is more attractive in appearance outside the substrate layer 11, the OLED light-emitting piece 12 is arranged on the inner side of the substrate layer 11, the processing and manufacturing are convenient, the production difficulty is reduced, and the rear cover 100 is more conveniently connected with the main control panel on the inner side when being assembled to the body of the mobile terminal.
In some embodiments, the conductive cathode 122 and the conductive anode 123 are respectively disposed on two sides of the organic light emitting layer 121, and the conductive anode 123 is sandwiched between the substrate layer 11 and the organic light emitting layer 121. That is, the conductive anode 123 is located outside the organic light emitting layer 121, and the conductive cathode 122 is located inside the organic light emitting layer 121. Thus, the conductive anode 123, the conductive cathode 122, and the organic light emitting layer 121 are formed in a multi-layer structure, and the stacked arrangement reduces the thickness of the entire rear cover 100.
In the embodiment shown in fig. 1, the conductive anode 123 is a nano-silver plating layer, and the conductive cathode 122 is an ITO conductive film layer. Specifically, the inner surface of the substrate layer 11 is pressed and filled with silver to form a conductive anode 123, the organic light emitting layer 121 is coated in a rotary coating mode, then an ITO cathode is evaporated, and an OLED control circuit composed of the ITO anode, the ITO cathode and the organic light emitting layer 121 is finally integrated on the main control circuit board through an FPC (flexible printed circuit). Therefore, the light-emitting piece can emit light and can display various patterns by adopting the nano silver plating layer and the ITO conductive coating, and the display is more diversified and cool.
A mobile terminal according to an embodiment of the second aspect of the present invention includes: a body having a main control circuit board, a rear cover 100; the rear cover 100 covers the back of the body, and the OLED control circuit of the OLED light emitting member 12 is electrically connected to the main control circuit board to emit light when the main control circuit board receives a predetermined signal. Therefore, the substrate layer 11 has good transmittance, each conductive layer and the light-emitting layer are transparent layers, and the organic light-emitting layer 121 emits light under the control of the whole circuit, so that the self-luminous glare rear cover 100 is more beautiful in appearance, and the user experience is improved.
In some embodiments, the OLED lighting element 12 is configured to emit light when the main control circuit board receives an incoming call signal, and to emit light when it receives at least one of the following signals: and receiving a short message, a voice call request, a video call request and a Bluetooth pairing request. That is, the preset signal may include at least an incoming call signal. Therefore, when the mobile terminal receives an incoming call signal, the OLED light-emitting element 12 is triggered to emit light, and when a short message, a voice call request, a video call request and bluetooth pairing are received, the OLED light-emitting element 12 can also emit light, so that the rear cover 100 can emit light under various situations, has more functions and better meets the requirements of users.
In some embodiments, the OLED light emitter 12 is configured to: and displaying different light-emitting patterns when the main control circuit board receives different preset signals. Specifically, the OLED light emitting device 12 can display different light emitting patterns when receiving an incoming call, a short message, a voice call request, a video call request, and a bluetooth pairing request, so that each pattern uniquely corresponds to one communication pattern. Therefore, the user can directly judge which kind of received communication signals according to different light-emitting patterns, the judgment is more visual and detailed, and the patterns can be further customized in a personalized manner according to the requirements of the user.
In some embodiments, the OLED light emitting member 12 is disposed on a side of the rear cover 100 facing the main body, and the OLED light emitting member 12 is electrically connected to the main control circuit board in a snap contact manner through a flexible circuit board assembly. Therefore, after the rear cover 100 is mounted on the body of the mobile terminal, the OLED light emitting member 12 can be directly electrically connected to the main control circuit board, the structure is simple, and the difficulty of wiring is reduced.
In some embodiments, the substrate layer is translucent, which facilitates the light emitted from the OLED light emitting member to transmit through the substrate.
The method of manufacturing the rear cover 100 of the mobile terminal according to the third aspect of the present invention includes:
1) manufacturing a decorative film 13: the surface of one side of the base material layer 11 is printed with the glare film through UV glue, the surface of the glare film is plated with a non-conductive protective film, and the surface of the non-conductive film is printed with the semitransparent bottom-covering ink.
2) Manufacturing a luminous piece: silver is pressed and filled on the other surface of the base material layer 11 to form a conductive anode 123, the organic light emitting layer 121 is coated on the surface of the conductive anode 123 in a spin coating manner, and an ITO cathode is evaporated on the surface of the organic light emitting layer 121.
Adopt the manufacturing approach of back lid 100 of above-mentioned embodiment, adopt UV to glue the impression of impression technique at substrate layer 11(PET) one side of back lid body 20 and dazzle membrane (Deco Film), NCVM coating Film again, the printing ink at half bottom of the cover again, it forms conductive anode 123 to use spin coating organic luminescent layer 121 to fill silver in the impression of another side (the one side of substrate layer 11 deviating from back lid body 20), evaporate the ITO negative pole again, OLED control circuit passes through FPC integration on the complete machine mainboard, because of PET possesses good transmissivity, each layer conducting layer also is the stratum lucidum with the luminescent layer, organic luminescent layer 121 is luminous under complete machine circuit control, make lid 100 outward appearance behind the self-luminous dazzle more beautiful, promote user experience.
The rear cover 100 produced by the method for manufacturing the rear cover 100 of the above embodiment has the same advantages as the rear cover 100 of the first embodiment, and the details are not described herein.
In the description of the present invention, 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 invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention 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 invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A rear cover of a mobile terminal, the rear cover comprising:
a rear cover body;
a back cover film, the back cover film comprising:
the substrate layer is made of plastic or resin material;
the OLED light-emitting piece, the OLED light-emitting piece includes organic luminescent layer, conductive cathode and conductive anode, organic luminescent layer the conductive cathode the conductive anode forms OLED control circuit jointly, the OLED light-emitting piece is located a side surface of substrate layer, OLED control circuit is constructed and can be triggered after receiving preset signal and give out light.
2. The rear cover according to claim 1, further comprising a decorative film, wherein the decorative film and the OLED light-emitting member are located on two sides or the same side of the substrate layer, and one side of the decorative film opposite to the substrate layer is attached to the rear cover body.
3. The rear cover as claimed in claim 1, wherein the substrate layer is a translucent substrate.
4. The rear cover according to claim 2, wherein the decorative film is located on the outer side of the substrate layer, and the OLED light emitting member is located on the inner side of the substrate layer.
5. The rear cover according to claim 4, wherein the conductive cathode and the conductive anode are respectively disposed on both sides of the organic light emitting layer, and the conductive anode is sandwiched between the substrate layer and the organic light emitting layer.
6. The back cover of claim 1, wherein the conductive anode is a nano silver plating layer and the conductive cathode is an ITO conductive film layer.
7. A mobile terminal, comprising:
a body having a main control circuit board;
the rear cover of any one of claims 1-6, which is covered on the rear surface of the body, wherein the OLED control circuit of the OLED light emitting member is electrically connected to the main control circuit board to emit light when the main control circuit board receives a preset signal.
8. The mobile terminal of claim 7, wherein the OLED light emitter is configured to emit light when the main control circuit board receives an incoming call signal, and to emit light when at least one of: and receiving a short message, a voice call request, a video call request and a Bluetooth pairing request.
9. The mobile terminal of claim 8, wherein the OLED light emitter is configured to: and displaying different light-emitting patterns when the main control circuit board receives different preset signals.
10. A method for manufacturing a rear cover of a mobile terminal, comprising:
manufacturing a decorative film: stamping a glare film on the surface of one side of the base material layer by adopting UV glue, plating a non-conductive protective film on the surface of the glare film, and stamping semitransparent bottom-covering ink on the surface of the non-conductive film;
manufacturing a luminous piece: and stamping silver on the other side surface of the substrate layer to form a conductive anode, coating an organic light-emitting layer on the surface of the conductive anode in a spin coating manner, and evaporating an ITO cathode on the surface of the organic light-emitting layer.
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| CN202010123486.3A CN113315856A (en) | 2020-02-27 | 2020-02-27 | Mobile terminal, rear cover of mobile terminal and manufacturing method thereof |
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| CN202010123486.3A CN113315856A (en) | 2020-02-27 | 2020-02-27 | Mobile terminal, rear cover of mobile terminal and manufacturing method thereof |
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2020
- 2020-02-27 CN CN202010123486.3A patent/CN113315856A/en active Pending
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