CN217282987U - Lid and electronic equipment behind function with multiple change effect - Google Patents
Lid and electronic equipment behind function with multiple change effect Download PDFInfo
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- CN217282987U CN217282987U CN202120857683.8U CN202120857683U CN217282987U CN 217282987 U CN217282987 U CN 217282987U CN 202120857683 U CN202120857683 U CN 202120857683U CN 217282987 U CN217282987 U CN 217282987U
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Abstract
The utility model relates to the technical field of functional devices of consumer electronics products, and discloses a functional rear cover with multiple changing effects and an electronic device; the functional rear cover comprises a transparent substrate, an inorganic EC composite functional layer capable of being converted between a transparent state and a colored state, a PDLC thin film device capable of being converted between the transparent state and a foggy state and a glare film which are sequentially superposed; when the state of the inorganic EC composite functional layer and the PDLC thin film device is changed, various visual effects can be superposed with the glare film.
Description
Technical Field
The utility model relates to a consumer electronics product function device technical field, concretely relates to lid and electronic equipment behind function with multiple change effect.
Background
At present, smart phones with color-changing rear covers are released, organic electrochromic thin film devices are used in the products, and the organic electrochromic thin film devices can change from indigo to transparent.
Patent publication No. CN108549182A discloses a technique for attaching an electrochromic sticker to a mobile phone case.
The color changing effect of the prior art is single, and the color changing layer can only realize the change from a colored state to a transparent state. It is believed that the subsequent color change of the rear cover is required to give more appearance selectivity to the consumer.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a lid and electronic equipment behind function with multiple change effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a functional rear cover with multiple changing effects comprises a transparent substrate, an inorganic EC composite functional layer capable of being converted between a transparent state and a coloring state, a PDLC thin film device capable of being converted between the transparent state and a fog state and a glare film, wherein the transparent substrate, the inorganic EC composite functional layer, the PDLC thin film device and the glare film are sequentially stacked; when the state of the inorganic EC composite functional layer and the PDLC thin film device is changed, various visual effects can be superposed with the glare film.
Further, a stress protection layer is arranged between the transparent substrate and the inorganic EC composite functional layer; the stress protection layer is made of organic silicon resin and has a thickness of 0.1-3.0 microns.
Further, the inorganic EC composite functional layer comprises a first transparent conductive layer, an electrochromic layer, a counter electrode layer and a second transparent conductive layer which are sequentially stacked.
Further, an ion transfer layer is arranged between the electrochromic layer and the counter electrode layer; and a protective layer is arranged on one side, away from the counter electrode layer, of the second transparent conductive layer.
Furthermore, the first transparent conducting layer and the second transparent conducting layer are made of indium tin oxide, aluminum-doped tin oxide, fluorine-doped tin oxide or antimony-doped tin oxide, the thickness is 100 nm-600 nm, and the sheet resistance is 2 ohm-100 ohm;
the electrochromic layer is made of tungsten oxide, molybdenum oxide or niobium oxide and has the thickness of 50-600 nm;
the ion conducting layer is made of silicon oxide, silicon-aluminum oxide, titanium oxide, vanadium oxide, zirconium oxide, iridium oxide, aluminum oxide, tungsten oxide, molybdenum oxide or niobium oxide, and the thickness range is 10 nm-300 nm;
the counter electrode layer is made of vanadium oxide, iridium oxide, nickel oxide, cobalt oxide, manganese oxide and adulterants of the oxides, and the thickness of the counter electrode layer is 50 nm-600 nm;
the protective layer is made of silicon oxide, silicon aluminum oxide, titanium oxide, aluminum oxide, zirconium oxide and niobium oxide, and the thickness is 10 nm-300 nm.
Further, the PDLC thin film device comprises a first thin film substrate, a third transparent conducting layer, a polymer dispersed liquid crystal layer, a fourth transparent conducting layer and a second thin film substrate which are sequentially stacked.
Further, the thickness of the first film substrate and the second film substrate is 15-75 micrometers; the third transparent conducting layer and the fourth transparent conducting layer are indium tin oxide, aluminum-doped tin oxide or nano silver, and the sheet resistance is 10-3000 ohms; the thickness of the polymer dispersed liquid crystal layer is 10-30 micrometers.
Further, the light-shielding film comprises a first transparent optical adhesive arranged between the inorganic EC composite functional layer and the PDLC thin film device, and a second transparent optical adhesive arranged between the PDLC thin film device and the glare film.
Further, the glare film is a decorative film.
An electronic device comprises the functional rear cover.
Compared with the prior art, the beneficial effects of the utility model are that:
the inorganic EC composite functional layer is transparent, and when the PDLC thin film device is transparent, the effect of the glare film can be seen; when the inorganic EC composite functional layer is colored, no matter the PDLC thin film device is in a fog state or a transparent state, only the coloring effect of the inorganic EC composite functional layer can be seen; if the inorganic EC composite functional layer is transparent, the PDLC thin film device is in a fog state, and the effect of overlapping the PDLC thin film device and the glare film is seen; if the inorganic EC composite functional layer is in an intermediate state, the PDLC thin film device is also in the intermediate state, and the combined effect can be seen; the color change of the inorganic EC composite functional layer and the PDLC film device can be actively controlled, so that various appearance effects of the functional rear cover can be realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the electronic device of the present invention;
fig. 3 is a schematic diagram of the PDLC thin film device of the present invention in transparent state and in mist state;
fig. 4 is a schematic view of a glare film pattern of the present invention;
fig. 5 is a schematic diagram of the PDLC thin film device of the present invention in a fog state;
fig. 6 is an effect diagram of the inorganic EC composite functional layer of the present invention after being transparent and the PDLC thin film device is overlapped with the glare film in a fog state;
fig. 7 is an effect diagram of the inorganic EC composite functional layer of the present invention after being stacked with the glare film when being transparent and the PDLC thin film device is transparent;
fig. 8 is an effect diagram of the inorganic EC composite functional layer after being superimposed with the glare film when being in the intermediate state and the PDLC thin film device being in the intermediate state.
Detailed Description
A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a roughly structure and the technology of lid behind the worker's ability as follows: firstly, sputtering an inorganic EC composite functional layer, namely an inorganic all-solid-state color-changing functional layer on a transparent substrate by using a magnetron sputtering technology; then, a PDLC thin film device, namely a polymer dispersed liquid crystal thin film device is attached to the inorganic EC composite functional layer; and arranging the glare film on one surface of the PDLC thin film device, which is far away from the inorganic EC composite functional layer.
The consumer can actively control the functional rear cover to realize a plurality of appearance effects, and the specific technical scheme is as follows.
The thickness of the inorganic EC composite functional layer is only about 1.2 microns, and the power consumption is extremely low. The thickness of the whole functional back cover is increased along with the increase of the thickness of the PDLC thin film device, so that the power consumption and the thickness of the whole functional back cover are not obviously increased.
As shown in fig. 1, the functional rear cover sequentially comprises from outside to inside:
the transparent substrate 10, the stress protection layer 20, the inorganic EC composite functional layer 30, the first transparent optical adhesive 51, the PDLC thin film device 60, the second transparent optical adhesive 52 and the glare film 70.
Wherein, the transparent substrate can adopt strengthened glass with stress, such as chemically strengthened glass, microcrystalline glass and the like, and the thickness is 0.3 mm-1.5 mm; may be 2D glass, 2.5D glass or 3D glass.
The stress protection layer is made of high-temperature-resistant organic silicon resin, and the thickness of the stress protection layer is 0.1-3.0 microns; the buffer protective layer is formed on the inner side of the transparent substrate, so that the surface of the transparent substrate is prevented from being directly impacted by high-kinetic-energy particles sputtered out in a subsequent coating process and generating subfissure.
Inorganic EC composite functional layer, from outside to inside include in proper order: a first transparent conductive layer 31, an electrochromic layer 32, an ion conductive layer 33, a counter electrode layer 34, a second transparent conductive layer 35; wherein the arrangement of the ion transport layer is an alternative.
The inner side of the second conductive layer is optionally provided with a protective layer 40.
Wherein, the first transparent conducting layer and the second transparent conducting layer can be made of transparent conducting metal oxides such as indium tin oxide, aluminum-doped tin oxide, fluorine-doped tin oxide, antimony-doped tin oxide and the like, the thickness is 100 nm-600 nm, and the square resistance range is 2 ohm-100 ohm; or selecting indium tin oxide-silver-indium tin oxide, aluminum-doped tin oxide-silver-aluminum-doped tin oxide and other composite transparent conductive films, wherein the sheet resistance is 2-100 ohm;
the electrochromic layer can be made of tungsten oxide, molybdenum oxide, niobium oxide and the like, and has the thickness of 50 nm-600 nm;
the ion conducting layer is made of silicon oxide, silicon aluminum oxide, titanium oxide, vanadium oxide, zirconium oxide, iridium oxide, aluminum oxide, tungsten oxide, molybdenum oxide, niobium oxide and the like, and has a thickness of 10-300 nm;
the material of the counter electrode layer can be selected from vanadium oxide, iridium oxide, nickel oxide, cobalt oxide, manganese oxide and adulterants of the oxides, and the thickness is 50nm to 600 nm.
Lithium ions are dispersed in the electrochromic layer, the ion conducting layer, and the counter electrode layer, and when lithium ions are driven to the electrochromic layer by a voltage, both the electrochromic layer and the counter electrode layer are colored, and the inorganic EC composite functional layer shows coloring. When lithium ions are driven to the counter electrode layer by a voltage, both the electrochromic layer and the counter electrode layer fade, and the inorganic EC composite functional layer becomes transparent. The ion conducting layer has the functions of ion conductor and electronic insulation, when the ion conducting layer is arranged, the inorganic EC composite functional layer has a memory effect, and can maintain a coloring state for a period of time after power failure, but the color changing speed is slowed down; without the ion conductor layer, the memory effect is weakened, but the color change speed becomes fast.
The inorganic EC composite functional layer has three states, namely a colored state, a transparent state and an intermediate state between the colored state and the transparent state.
The protective layer is made of silicon oxide, silicon aluminum oxide, titanium oxide, aluminum oxide, zirconium oxide, niobium oxide and the like, and the thickness range is 10 nm-300 nm;
the inner side of the protective layer is provided with first transparent optical cement, and the PDLC thin film device is adhered to the inner side of the first transparent optical cement.
The PDLC thin film device comprises:
a first film substrate 61 having a thickness of 15 to 75 micrometers;
a third transparent conductive layer 62 attached to the inner surface of the first film substrate, wherein the material of the third transparent conductive layer can be indium tin oxide, aluminum-doped tin oxide, nano silver and the like, and the sheet resistance is 10-3000 ohm;
a second film substrate 65 having a thickness of 15-75 microns,
a fourth transparent conductive layer 64 attached to the outer surface of the second film substrate, wherein the material of the fourth transparent conductive layer can be indium tin oxide, aluminum-doped tin oxide, nano silver and the like, and the sheet resistance is 10-3000 ohms;
and a polymer dispersed liquid crystal layer 63 disposed between the third transparent conductive layer and the fourth transparent conductive layer, and having a thickness of 10 to 30 micrometers.
The inboard of second film substrate is provided with the transparent optical cement of second, and the outside of the transparent optical cement of second is provided with the membrane of dazzling. The glare film is a decorative film commonly used for the rear cover of the mobile phone at present.
The PDLC thin film device has three states, namely a transparent state, a fog state and an intermediate state between the transparent state and the fog state.
The effect will be described with reference to fig. 4-8.
FIG. 7 is a diagram of extreme states one: the inorganic EC composite functional layer is transparent, the PDLC thin-film device is transparent, and consumers can clearly see the effect of the rear glare film;
and a second limit state: when the inorganic EC composite functional layer is darkest in coloring, no matter the PDLC thin film device is in a fog state or a transparent state, only the coloring effect of the inorganic EC composite functional layer can be seen;
fig. 6 shows the third limit state: the inorganic EC composite functional layer is transparent, and the PDLC thin film device is in a fog state, so that the effect of overlapping the PDLC thin film device in the fog state and the glare film is seen.
Fig. 8 is an intermediate state: if the inorganic EC composite functional layer is in an intermediate state, the PDLC thin film device is also in an intermediate state, and the combined effect can be seen. The two circuits are used for respectively controlling the voltage, so that the transmittance of the inorganic EC composite functional layer can be controlled to be maintained at a certain value; as shown in fig. 3a and 3b, the haze state of the PDLC thin film device can be controlled and stays at a certain haze.
As shown in fig. 2, the electronic device includes a camera 3, a blocking area 2, and a color-changing area 1; the functional rear cover is positioned in the color-changing area.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A functional rear cover with multiple changing effects is characterized in that: the transparent substrate, the inorganic EC composite functional layer capable of being converted between a transparent state and a colored state, the PDLC thin film device capable of being converted between the transparent state and a fog state and the glare film are sequentially overlapped; when the state of the inorganic EC composite functional layer and the state of the PDLC thin film device are changed, various visual effects can be superposed with the glare film.
2. The functional rear cover with multiple varying effects according to claim 1, characterized in that: a stress protection layer is arranged between the transparent substrate and the inorganic EC composite functional layer; the stress protection layer is made of organic silicon resin and has a thickness of 0.1-3.0 microns.
3. The functional rear cover with multiple varying effects according to claim 1, characterized in that: the inorganic EC composite functional layer comprises a first transparent conductive layer, an electrochromic layer, a counter electrode layer and a second transparent conductive layer which are sequentially stacked.
4. Functional back cover with multiple varying effects according to claim 3, characterized in that: an ion transfer layer is arranged between the electrochromic layer and the counter electrode layer; and a protective layer is arranged on one side, away from the counter electrode layer, of the second transparent conductive layer.
5. Functional back cover with multiple varying effects according to claim 4, characterized in that: the first transparent conducting layer and the second transparent conducting layer are made of indium tin oxide, aluminum-doped tin oxide, fluorine-doped tin oxide or antimony-doped tin oxide, the thickness is 100 nm-600 nm, and the sheet resistance is 2 ohm-100 ohm;
the electrochromic layer is made of tungsten oxide, molybdenum oxide or niobium oxide and has the thickness of 50-600 nm;
the ion conducting layer is made of silicon oxide, silicon-aluminum oxide, titanium oxide, vanadium oxide, zirconium oxide, iridium oxide, aluminum oxide, tungsten oxide, molybdenum oxide or niobium oxide, and the thickness of the ion conducting layer is 10 nm-300 nm;
the counter electrode layer is made of vanadium oxide, iridium oxide, nickel oxide, cobalt oxide or manganese oxide and has a thickness of 50-600 nm;
the protective layer is made of silicon oxide, silicon aluminum oxide, titanium oxide, aluminum oxide, zirconium oxide and niobium oxide, and the thickness is 10 nm-300 nm.
6. The functional rear cover with multiple varying effects according to claim 1, characterized in that: the PDLC thin film device comprises a first thin film substrate, a third transparent conducting layer, a polymer dispersed liquid crystal layer, a fourth transparent conducting layer and a second thin film substrate which are sequentially stacked.
7. The functional rear cover with multiple varying effects according to claim 6, characterized in that: the thickness of the first film substrate and the second film substrate is 15-75 micrometers; the third transparent conducting layer and the fourth transparent conducting layer are indium tin oxide, aluminum-doped tin oxide or nano silver, and the sheet resistance is 10-3000 ohms; the thickness of the polymer dispersed liquid crystal layer is 10-30 micrometers.
8. The functional rear cover with multiple varying effects according to claim 1, characterized in that: the light-glaring film comprises a first transparent optical adhesive arranged between an inorganic EC composite functional layer and a PDLC thin film device, and a second transparent optical adhesive arranged between the PDLC thin film device and the glaring film.
9. The functional rear cover with multiple varying effects according to claim 1, characterized in that: the glare film is a decorative film.
10. An electronic device, characterized in that it comprises a functional rear cover according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120857683.8U CN217282987U (en) | 2021-04-22 | 2021-04-22 | Lid and electronic equipment behind function with multiple change effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120857683.8U CN217282987U (en) | 2021-04-22 | 2021-04-22 | Lid and electronic equipment behind function with multiple change effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217282987U true CN217282987U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120857683.8U Active CN217282987U (en) | 2021-04-22 | 2021-04-22 | Lid and electronic equipment behind function with multiple change effect |
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| Country | Link |
|---|---|
| CN (1) | CN217282987U (en) |
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2021
- 2021-04-22 CN CN202120857683.8U patent/CN217282987U/en active Active
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