WO2022247053A1

WO2022247053A1 - Electronic device protection shell having light-transmitting pattern

Info

Publication number: WO2022247053A1
Application number: PCT/CN2021/116959
Authority: WO
Inventors: 米赛
Original assignee: 安徽精卓光显技术有限责任公司
Priority date: 2021-05-28
Filing date: 2021-09-07
Publication date: 2022-12-01

Abstract

An electronic device protection shell having a light-transmitting pattern, the electronic device protection shell comprising a transparent shell body (330), a hollowed-out material layer (310) provided on an outer side of the shell body (330), an electroluminescent layer (340) provided on an inner side of the shell body (330), and an inner decorative layer (350) provided on an inner side of the electroluminescent layer (340), wherein the hollowed-out material layer (310) is provided with a light-transmitting pattern capable of transmitting light. The hollowed-out material layer (310) provided with the light-transmitting pattern is integrated on the shell body (330). When electroluminescent elements (342, 344) do not emit light, an observer cannot see the light-transmitting pattern, and the hollowed-out material layer (310) can maintain its own texture; when the electroluminescent elements (342, 344) emit light, the hollowed-out material layer (310) can display the light-transmitting pattern; and the electroluminescent elements (342, 344) are also combined with glare films (510, 540) to form a composite light-emitting device. In a powered-on state, the shell body (330) can emit light locally, and presents a combined visual effect of the pattern, glare and the electroluminescent elements (342, 344).

Description

A protective case for electronic equipment with a light-transmitting pattern

technical field

The utility model relates to the technical field of protective shells for electronic equipment, in particular to a protective shell for electronic equipment with light-transmitting patterns.

Background technique

With the development of society, people's pursuit of beauty is constantly improving. In the field of consumer electronics, there are endless upgrades of mobile phone protective cases.

Some mobile phone shells in the prior art have the function of luminescence when powered on. The specific solution is to integrate LEDs, light guide plates, and reflective decorative films under the glass panel of the mobile phone shell.

The utility model proposes a new electronic device protective case scheme, which combines hollow materials with electrified light-emitting elements to form a light-emitting protective case.

Utility model content

In order to solve the above technical problems, the utility model provides a protective case for electronic equipment with a light-transmitting pattern.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A protective case for electronic equipment with a light-transmitting pattern, comprising a transparent casing, a hollow material layer arranged outside the casing, an electroluminescent layer arranged inside the casing, and an interior decoration layer arranged inside the electroluminescent layer; The hollow material layer has a light-transmitting pattern that can transmit light.

Further, the casing is replaced with a non-transparent casing, and a hollow structure is provided at a position corresponding to the light-transmitting pattern of the hollow material layer.

Further, the electroluminescence layer is arranged between the hollow material layer and the casing, and the interior decoration layer is arranged inside the casing.

The shell, the electroluminescent layer, the hollow material layer, and the inner decoration layer are bonded by a transparent adhesive layer between two adjacent parts.

Further, the energized luminous layer includes LED light-emitting elements, a light guide layer coplanar with the LED light-emitting elements, and a circuit board layer bonded to the LED light-emitting elements and the light guide layer; the circuit board layer is provided with a device capable of driving LED light-emitting element light-emitting sensor chip.

Further, the electroluminescent layer includes an electroluminescent device, and a circuit board layer bonded to the electroluminescent device.

Further, it includes a first glare film arranged inside the electroluminescent device.

Further, it includes a second glare film arranged outside the electroluminescence device.

Further, it includes a first glare film arranged inside the electroluminescence device, and a second glare film arranged outside the electroluminescence device.

Further, the first glare film includes a first glare film substrate, a first texture layer disposed inside the first glare film substrate, a first coating layer disposed inside the texture layer, and a The first ink layer inside the coating layer.

Further, the second glare film includes a second glare film substrate, a second texture layer disposed inside the second glare film substrate, a second coating layer disposed inside the second texture layer, and a a second ink layer inside the second coating layer;

The second ink layer is a combination of semi-permeable ink and common ink; the light emitted by the electroluminescent device can pass through the position of the semi-permeable ink; or

The second ink layer is common ink and has an ink hollow structure.

Further, the electroluminescent device comprises a first EL film substrate, a first conductive layer, a light emitting layer, a first insulating medium layer, a second conductive layer, an EL adhesive layer and a second EL film substrate stacked in sequence. material.

Further, a second insulating medium layer is disposed between the first conductive layer and the light emitting layer.

Further, the hollow material layer is a light-transmitting leather layer.

Further, the protective shell is sheathed on the outside of the electronic equipment.

Compared with the prior art, the beneficial technical effect of the utility model is:

The utility model integrates a hollowed-out material layer with a light-transmitting pattern on the casing, and the hollowed-out material layer has a light-transmitting pattern. Its own texture; when the electroluminescent element emits light, the hollow material layer can display a light-transmitting pattern;

When the electrified luminescent layer is located inside the shell, the shell needs to be set to a transparent material, or the shell is non-transparent and a hollow structure is provided at the corresponding position of the light-transmitting pattern, so that the light-transmitting pattern can be displayed on the hollow material layer; when the electrified luminescent layer is located When the shell is outside, whether the shell is transparent or not will not affect the display of the light-transmitting pattern;

In addition, the energized light-emitting device and the glare film are combined to form a composite light-emitting device to realize the change of the shell pattern. In the power-off state, the shell presents a pattern and has glare; in the energized state, the shell part can emit light and present a pattern , glare and combined visual effects of light-emitting devices.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the structural representation of the utility model embodiment 2;

Fig. 3 is the structural representation of the utility model embodiment 3;

Fig. 4 is the structural representation of the utility model embodiment 4;

Fig. 5 is the structural representation of the utility model electroluminescent device;

Fig. 6 is an exploded diagram of the protective case of the electronic equipment of the present invention;

Fig. 7 is the structural representation of the utility model embodiment 5;

Fig. 8 is a schematic structural view of Embodiment 6 of the present utility model;

Fig. 9 is a schematic structural view of Embodiment 7 of the present utility model;

Fig. 10 is an exploded view of the electronic equipment protective case of the present invention.

Detailed ways

Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

In the following embodiments, the hollow material layer uses a light-transmitting leather layer; laser or mechanical punching is used to process micron-level points or lines invisible to the naked eye on the leather to form a light-transmitting pattern, and the light-transmitting pattern can be obtained. leather. When the rear light-emitting element is not emitting light, the observer cannot see the light-transmitting pattern; when the rear light-emitting element is emitting light, the light-emitting pattern is displayed.

Those skilled in the art use other similar materials capable of processing light-transmitting patterns to replace the technical solutions of light-transmitting leather, which should be considered within the protection scope of the present invention.

Example 1

As shown in FIG. 1 , the protective case for electronic equipment includes a light-transmitting leather layer 310 , a first transparent adhesive layer 321 , a casing 330 , a second transparent adhesive layer 322 , a light guide layer 341 , and a fourth transparent leather layer stacked in sequence. The adhesive layer 324 , the circuit board layer 343 , the third transparent adhesive layer 323 , the interior decoration layer 350 ; the LED light emitting element 342 and the light guide layer 341 are coplanarly arranged.

The LED light-emitting element 342 , the light-guiding layer 341 , the fourth transparent adhesive layer 324 , and the circuit board layer 343 form the electrified light-emitting layer 340 .

The light-transmitting leather layer 310 is bonded on the transparent shell 330 through the first transparent adhesive layer 321 , and this side is the outer side of the shell 330 .

The second transparent adhesive layer 322 is used to bond the light guide layer 341 and the LED light emitting element 342 on the inner side of the transparent casing 330 . The LED light-emitting element 342 can include LED lamp beads of various colors, and the number can be one or more than one.

The other side of the light guide layer 341 is bonded to the circuit board layer 343 through the third transparent adhesive layer 323 . Various sensing chips are arranged on the circuit board layer 343 , which can output signals to drive the LED light-emitting element 342 to emit light when calls, music, or games are received.

The other side of the circuit board layer 343 is bonded with the interior decoration layer 350 through the fourth transparent adhesive layer 324 . The interior decoration layer 350 can be made of leather or other materials.

Example 2

As shown in Figure 2, the difference from Embodiment 1 is that the circuit board layer 343, the LED light-emitting element 342, and the light guide layer 341 are integrated at the same horizontal position, and a transparent adhesive layer can be reduced, which can reduce the thickness of the protective shell .

Example 3

As shown in Figure 3, the difference from Embodiment 1 is that the LED light-emitting element 342 and the light guide layer 341 are replaced by electroluminescent devices 344; the circuit board layer 343 is provided with a variety of sensing chips, which can be used for incoming calls, music, Or output signals during games to drive the electroluminescent device to emit light.

The electroluminescent device includes a first EL film substrate 3441 , a first conductive layer 3442 , a light emitting layer 3443 , a first insulating medium layer 3444 , a second conductive layer 3445 , an adhesive layer 3446 and a second EL film substrate 3447 .

Between the first conductive layer 3442 and the light-emitting layer 3443, a second insulating medium layer may be optionally disposed.

In Embodiments 1, 2, and 3, the casing 330 may also be non-transparent; if the casing 330 is non-transparent, the casing 330 needs to be hollowed out at the corresponding position of the light-emitting path.

Example 4

As shown in FIG. 4 , the difference between Embodiment 4 and Embodiment 1 is that the electroluminescent layer 340 is disposed between the light-transmitting leather layer 310 and the casing 330 , and the transparent adhesive layers are moved correspondingly.

In Embodiment 4, there is no requirement on whether the casing 330 is transparent, and it does not affect the display of the transparent pattern.

The electroluminescent layer 340 is combined with the first glare film 510 and/or the second glare film 540 to form a composite light emitting device. The specific combination methods are as follows: the first glare film is arranged inside the electroluminescent layer 340, The second glare film 540 is disposed on the outside of the electroluminescent layer 340 , the first glare film 510 is disposed on the inside of the electroluminescent layer 340 , and the second glare film 540 is disposed on the outside. Combining Examples 1, 2, 3, and 4 with the glare film in the above-mentioned manner, a total of 12 combinations can be obtained.

Taking the energized luminescent layer 340 composed of the electroluminescent device and the circuit board layer 343 as an example, three embodiments are provided below: Embodiments 5, 6, and 7, specifically introducing the combination of the energized luminescent layer 340 and the glare film into a composite luminescent device. Way.

Example 5

As shown in Figure 7, the composite light-emitting device includes a second glare film base material 541, a second texture layer 542, a second coating layer 543, a second ink layer 544, a first transparent adhesive layer 531, and a second coating layer stacked in sequence. An EL film substrate 3441, a first conductive layer 3442, a light emitting layer 3443, a first insulating medium layer 3444, a second conductive layer 3445, an adhesive layer 3446, a second EL film substrate 3447, a first texture layer 512, a second A coating layer 513 and a first ink layer 514 .

The first texture layer 512, the first coating layer 513, and the first ink layer 514 form the first glare film 510; the second glare film substrate 541, the second texture layer 542, the second coating layer 543, and the second ink layer 544 forms the second glare film 540, the first glare film 510 and the electroluminescent device share the second EL film substrate 3447 in this embodiment, and the first glare film substrate can also be set separately; the first EL film substrate Material 3441, first conductive layer 3442, luminescent layer 3443, first insulating medium layer 3444, second conductive layer 3445, adhesive layer and second EL film substrate 3447 form an electroluminescent device 3440.

UV transfer printing is used to form a texture layer, and NCVM is plated to form glare; since the second glare film 540 is arranged on the outside, the second ink layer 544 uses a combination of semi-permeable ink and ordinary ink, and the partial semi-permeable ink can make the inside The light emitted by the electroluminescent device is transmitted through; or the second ink layer 544 is hollowed out with ink so as to transmit light.

Example 6

As shown in Figure 8, the composite light-emitting device includes a first EL film substrate 3441, a first conductive layer 3442, a light-emitting layer 3443, a first insulating medium layer 3444, a second conductive layer 3445, an adhesive layer 3446, The second EL film substrate 3447 , the first transparent adhesive layer 531 , the first glare film substrate 511 , the first texture layer 512 , the first coating layer 513 , and the first ink layer 514 .

The first glare film substrate 511, the first texture layer 512, the first coating layer 513, and the first ink layer 514 form the first glare film 510; the first EL film substrate 3441, the first conductive layer 3442, and the light emitting layer 3443 , a first insulating medium layer 3444 , a second conductive layer 3445 , an adhesive layer and a second EL film substrate 3447 to form an electroluminescence device 3440 .

Example 7

As shown in FIG. 9 , the difference between Embodiment 7 and Embodiment 5 is that the first glare film 510 inside is removed from the composite light emitting device in Embodiment 5.

Of course, the electroluminescent devices in Embodiments 5, 6, and 7 can also be replaced by a combination of LED and light guide plate to form a new embodiment.

In each embodiment, the light-emitting layer 3443, the insulating medium layer and the second conductive layer 3445 in the electroluminescent device are not transparent, but the above-mentioned opaque layer can be patterned by screen printing, and the non-patterned areas are all transparent of. In this way, even if the electroluminescent device is placed close to the field of view, it can still produce a good appearance effect.

In each embodiment, an insulating medium layer can be optionally disposed between the first conductive layer 3442 and the light emitting layer 3443, and the same effect can also be achieved.

In each embodiment, OCA is used for the transparent adhesive layer and optical glue; transparent film substrates such as PET and COP are used for the EL film substrate and the glare film substrate.

The protective case includes a frame 1 and a casing 340. The frame and the casing can be integrally formed, or they can be produced separately and assembled together.

The combination of PDLC, EC, partition drive and other known technologies in the industry with this patent should be considered within the scope of protection of this patent.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, so it is intended that the scope of the present invention will fall within the scope of the claims. All changes within the meaning and range of equivalent elements are included in the present invention, and any reference signs in the claims should not be construed as limiting the claims involved.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode includes only one independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole, The technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims

A protective case for electronic equipment with a light-transmitting pattern, which is characterized in that it includes a transparent casing, a hollow material layer arranged outside the casing, an electroluminescent layer arranged inside the casing, and an electroluminescent layer arranged inside the electroluminescent layer. Inner decoration layer; the hollow material layer has a light-transmitting pattern that can transmit light.
According to claim 1, the protective case for electronic equipment with a light-transmitting pattern is characterized in that: the casing is replaced by a non-transparent casing, and a hollow structure is provided at a position corresponding to the light-transmitting pattern of the hollow material layer.
According to claim 1, the protective case for electronic equipment with a light-transmitting pattern is characterized in that: the electroluminescent layer is arranged between the hollow material layer and the casing, and the inner decoration layer is arranged inside the casing.
According to any one of claims 1-3, the electronic device protective case with a light-transmitting pattern is characterized in that: the electroluminescent layer comprises an LED light-emitting element, a light-guiding layer coplanar with the LED light-emitting element, and The circuit board layer bonded with the LED light-emitting element and the light guide layer; the circuit board layer is provided with an induction chip capable of driving the LED light-emitting element to emit light.
According to any one of claims 1-3, the electronic device protective case with a light-transmitting pattern is characterized in that: the electroluminescent layer comprises an electroluminescent device, and a circuit board layer bonded to the electroluminescent device.
According to claim 5, the protective case for electronic equipment with a light-transmitting pattern is characterized in that: the electroluminescent device comprises a first EL film substrate, a first conductive layer, a light-emitting layer, and a first insulating medium stacked in sequence layer, a second conductive layer, an EL adhesive layer, and a second EL film substrate.
According to claim 6, the protective case for electronic equipment with light-transmitting patterns is characterized in that: a second insulating medium layer is arranged between the first conductive layer and the light-emitting layer.
According to any one of claims 1-3, the protective case for electronic equipment with a light-transmitting pattern is characterized by comprising a first glare film disposed inside the electroluminescent layer.
According to claim 8, the protective case for electronic equipment with light-transmitting patterns is characterized in that: the first glare film comprises a first glare film base material, and a first texture arranged inside the first glare film base material Layer 512, the first coating layer disposed inside the texture layer, and the first ink layer located inside the first coating layer.
According to any one of claims 1-3, the protective case for electronic equipment with a light-transmitting pattern is characterized in that it comprises a second glare film disposed outside the electroluminescent layer.
According to claim 10, the electronic device protective case with light-transmitting patterns is characterized in that: the second glare film comprises a second glare film base material, and a second texture arranged inside the second glare film base material layer, a second coating layer disposed on the inner side of the second texture layer, and a second ink layer located on the inner side of the second coating layer;

The second ink layer is a combination of semi-permeable ink and common ink; the light emitted by the electroluminescent device can pass through the position of the semi-permeable ink; or

The second ink layer is common ink and has an ink hollow structure.
According to any one of claims 1-3, the protective case for electronic equipment with a light-transmitting pattern is characterized in that it includes a first glare film arranged inside the electroluminescent layer, and a second glare film arranged outside the electroluminescent layer. Glare film.
According to any one of claims 1-3, the electronic equipment protective case with a light-transmitting pattern is characterized in that: the hollow material layer is a light-transmitting leather layer.
According to any one of claims 1-3, the electronic device protective case with light-transmitting patterns: the protective case is sheathed on the outside of the electronic device.