CN111489638B - Electronic equipment - Google Patents

Abstract

The present application discloses an electronic device, wherein the electronic device includes: a middle frame, a photosensitive device and a shutter; wherein, the middle frame is provided with a first through hole and a second through hole, and the photosensitive device is provided in the the first side of the middle frame, the receiving part of the photosensitive device is communicated with the first through hole, and the emission part of the photosensitive device is communicated with the second through hole; The second side of the middle frame is located between the first through hole and the second through hole, and the first side is opposite to the second side. The blocking member blocks the photosensitive signal emitted from the second through hole from directly entering the first through hole, which can effectively solve the problem of errors caused by cross-light of the photosensitive device of the existing electronic equipment.

Description

Electronic equipment

technical field

The present application belongs to the field of electronic technology, and specifically relates to an electronic device.

Background technique

With the development and popularization of electronic devices, in order to meet the needs of users, more and more electronic devices are installed in the electronic devices, and the functions of the electronic devices are also increasingly powerful. Usually, in order to install the photosensitive device under the screen, the photosensitive device is usually arranged on the side of the middle frame away from the screen, and there is a gap between the middle frame and the display screen. Due to the existence of the gap, the light emitted from the emitting part of the photosensitive device may be directly refracted under the screen to enter the receiving part of the photosensitive device, forming a string of light and affecting the error of the photosensitive device.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide an electronic device, which can solve the problem of errors caused by cross-light of the photosensitive device of the existing electronic device.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, an embodiment of the present application provides an electronic device, and the electronic device includes:

Middle frame, photosensitive device and shutter;

Wherein, the middle frame is provided with a first through hole and a second through hole, the photosensitive device is arranged on the first side of the middle frame, and the receiving part of the photosensitive device is connected with the first through hole The emitting part of the photosensitive device is communicated with the second through hole; the shielding member is arranged on the second side of the middle frame, and is located between the first through hole and the second through hole, The first side is opposite the second side.

In the embodiment of the present application, by setting: a middle frame, a photosensitive device and a shutter; wherein, the middle frame is provided with a first through hole and a second through hole, and the photosensitive device is arranged on the first through hole of the middle frame. one side, and the receiving part of the photosensitive device is communicated with the first through hole, and the emitting part of the photosensitive device is communicated with the second through hole; the blocking member is arranged on the first through hole of the middle frame Two sides are located between the first through hole and the second through hole, and the first side is opposite to the second side. The shield between the first through hole and the second through hole avoids cross light between the emitting part and the receiving part of the photosensitive device, and solves the problem of errors caused by cross light in the photosensitive device of the existing electronic equipment.

Description of drawings

1 is a schematic front view of the structure of a photosensitive part of an electronic device in the prior art;

2 is a schematic front view of the structure of the photosensitive part of the electronic device according to the embodiment of the present application;

3 is a schematic side sectional view one of the structure of the photosensitive part of the electronic device according to the embodiment of the present application;

FIG. 4 is a second schematic side sectional view of the structure of the photosensitive part of the electronic device according to the embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between "first", "second", etc. The objects are usually of one type, and the number of objects is not limited. For example, the first object may be one or more than one. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

In the prior art, as shown in FIG. 1 , in order to prevent the photosensitive device from being affected by electronic equipment during operation, a large hole c needs to be opened on the middle frame b, and the hole is close to the edge of the electronic equipment. A distance of L1, at least two through holes d are arranged in the hole c for light output and light input of the photosensitive device. However, there is still a cross-light problem between at least two through holes d used for light output and light input of the photosensitive device.

The electronic device provided by the embodiments of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

The electronic equipment provided by the embodiments of the present application, as shown in FIG. 2 to FIG. 4 , includes:

Middle frame 1, photosensitive device 2 and shutter 3;

The middle frame 1 is provided with a first through hole 4 and a second through hole 5 , the photosensitive device 2 is arranged on the first side of the middle frame 1 , and the receiving part 6 of the photosensitive device 2 is connected to the The first through hole 4 communicates with each other, and the emitting portion 7 of the photosensitive device 2 communicates with the second through hole 5 ; Between the first through hole 4 and the second through hole 5 , the first side is opposite to the second side.

Specifically, the first through hole penetrates the first side and the second side, and the second through hole penetrates the first side and the second side.

The electronic device provided in the embodiment of the present application is provided by: a middle frame, a photosensitive device and a shutter; wherein, the middle frame is provided with a first through hole and a second through hole, and the photosensitive device is arranged in the middle frame the first side of the box. The photosensitive device can be an infrared photosensitive device, and certainly can also be a device, which is not specifically limited in this application. The photosensitive device includes a receiving part and a transmitting part. And the receiving part of the photosensitive device is communicated with the first through hole, and the emission part of the photosensitive device is communicated with the second through hole; the blocking piece is arranged on the second side of the middle frame, and is located between the first through hole and the second through hole, and the first side is opposite to the second side. By shielding the shield between the first through hole and the second through hole, the light emitted from the emitting part of the photosensitive device through the second through hole can be effectively reduced to directly enter the receiving part of the photosensitive device through the first through hole, thereby causing the problem of string light.

Further, as shown in FIG. 2 to FIG. 4 , the electronic device further includes: a first lens 8 , and the first lens 8 is arranged in the first through hole 4 , and the first lens 8 so that the received photosensitive signal is focused on the receiving part 6; and/or a second lens 9, and the second lens 9 is arranged in the second through hole 5, and the second lens 9 makes the transmission The photosensitive signal emitted by the part 7 is emitted in the form of parallel light.

In some embodiments of the present application, the electronic device only has the first lens when the emitting part of the photosensitive device has a relatively high emitting power. The first lens is arranged in the first through hole, there is no device in the second through hole, or there is a flat mirror in the second through hole, and the photosensitive signal is emitted through the second through hole and focused to the receiving part through the first lens.

In other embodiments of the present application, in the case that the receiving part of the photosensitive device has relatively sensitive receiving capability, the electronic device only has the second lens. The second lens is arranged in the second through hole, there is no device in the first through hole, or there is a flat mirror in the first through hole, the photosensitive signal is emitted through the second through hole and the second lens, and the photosensitive signal passes through the second through hole and the second lens. The lens is emitted in the form of parallel light, which reduces the signal loss during the emission process, and is finally focused to the receiving part through the first through hole.

In other embodiments of the present application, the electronic device has a first lens and a second lens. The first lens is arranged in the first through hole, the second lens is arranged in the second through hole, the photosensitive signal is emitted through the second through hole and the second lens, and the photosensitive signal is emitted in the form of parallel light through the second lens, The signal loss during the transmitting process is reduced, and finally the first through hole and the first lens are focused to the receiving part, thereby reducing the signal loss during the receiving process.

As shown in FIG. 3 and FIG. 4 , the electronic device further includes: a screen cover 10 ; the screen cover 10 is fixed on the second side of the middle frame 1 , and the shutter 3 is located on the screen between the cover plate 10 and the middle frame 1 .

Specifically, the first lens is disposed between the receiving portion and the screen cover, and the second lens is disposed between the transmitting portion and the screen cover; both the receiving portion and the transmitting portion face the screen cover The shutter is arranged on the surface of the middle frame facing the screen cover. The photosensitive signal emitted from the emitter of the photosensitive device is emitted through the second through hole and may be refracted when encountering the screen cover. However, the refracted photosensitive signal will be blocked by the blocking member, thereby reducing the refracted photosensitive signal from entering the receiver of the photosensitive device through the first through hole, thereby reducing the possibility of light emitted from the emitting part of the photosensitive device. Refraction occurs directly below the screen to enter the receiving part of the photosensitive device, forming a string of light, which affects the error of the photosensitive device.

As shown in FIG. 2 to FIG. 4 , the electronic device further includes: a connecting part 11 ; the screen cover 10 is fixed on the second side of the middle frame 1 through the connecting part 11 ; A connecting portion 11 between a through hole 4 and a second through hole 5 is provided between the shutter 3 and the screen cover 10 . In order to ensure that the photosensitive device does not receive interference from other devices of the electronic device, the minimum distance between the first through hole and the second through hole and the edge of the electronic device is L. Wherein, L may be smaller than the minimum distance L1 in the prior art.

The connecting part may be foam glue. Specifically, as shown in FIGS. 2 to 4 , the connecting portion 11 is provided with a third through hole 12 and a fourth through hole 13 , and the third through hole 12 communicates with the first through hole 4 to form a first through hole 12 . Optical channel, the fourth through hole 13 communicates with the second through hole 5 to form a second optical channel. It can also be understood that the third through hole 12 communicates with the receiving part 6, and the photosensitive signal is received through the first optical channel; the fourth through hole 13 communicates with the transmitting part 7, and the photosensitive signal is transmitted through the second optical channel go out.

Optionally, the connecting portion 11 between the first through hole 4 and the second through hole 5 may also be provided between the shutter 3 and the middle frame 1 . This can improve the convenience in production.

Optionally, the thickness of the shutter is less than or equal to the distance between the middle frame and the screen cover.

One end of the blocking piece is set on the middle frame, the other end of the blocking piece can form a tiny gap with the screen cover, and the connecting piece is set in the tiny gap to prevent the photosensitive signal emitted from the photosensitive device emitting part due to the refraction of the screen cover So as to enter the receiving part of the photosensitive device. Those skilled in the art can understand that the gap can be infinitely small. Under the condition that the gap between the shutter and the screen cover is infinitely small, the thickness of the shutter is almost equal to the distance between the middle frame and the screen cover. In this way, the seamless cooperation between the components is ensured, and the screen is prevented from being lifted up by the shield and the installation is not stable. In addition, since the shielding member is opaque to light, it is equivalent to adding a barrier between the first through hole and the second through hole.

In the embodiment of the present application, the blocking member is a preset material layer and/or a boss structure provided on the middle frame. The preset material layer may be a polyester resin PET layer. Those skilled in the art can understand that the preset material layer may also be other materials, such as plastics and other materials with extremely low light transmittance, which are not specifically limited in this application. . The structure of the boss can also be changed according to the requirements of the production process, for example, the shape of the boss can be circular, cylindrical, rectangular, special-shaped, etc. The material of the boss structure is usually a material with extremely low light transmittance.

In some embodiments of the present application, the first through hole is a through hole structure with a large to small cross-sectional area, and the cross-sectional area of the first end of the first through hole is larger than the cross-sectional area of the first through hole. The cross-sectional area of the second end, the second end of the first through hole abuts on the receiving part; and/or, the second through hole is a through hole structure with a cross-sectional area from large to small, and The cross-sectional area of the first end of the second through hole is larger than the cross-sectional area of the second end of the second through hole, and the second end of the second through hole abuts on the emitting part.

That is, the through hole can be made into a funnel shape, and the smallest opening of the funnel abuts on the emitting part and the receiving part of the photosensitive device. In the case where the first through hole and the second through hole are both funnel-shaped, the photosensitive signal may be refracted on the hole wall of the first through hole or the second through hole during the transmission and reception process, but due to the through hole The shape is funnel-shaped, and the photosensitive signal will be more collected. Specifically, in the first through hole, the photosensitive signal will be collected in the receiving part of the photosensitive device by refraction on the hole wall. In the second through hole, the photosensitive signal will be emitted from the second through hole by refraction on the hole wall. This can effectively improve the sending and receiving rate of photosensitive signals.

Optionally, when the transmit power of the photosensitive device is high, only the first through hole is funnel-shaped, and the photosensitive signal may be refracted on the hole wall of the first through hole during the receiving process, but due to the The shape of the hole is funnel-shaped, and the photosensitive signal will be collected more. Specifically, in the first through hole, the photosensitive signal will be collected in the receiving part of the photosensitive device by refraction on the hole wall. This can effectively improve the reception rate of the photosensitive signal.

Optionally, in the case where the receiving part of the photosensitive device is relatively sensitive, only the second through hole is funnel-shaped, and the photosensitive signal may be refracted on the hole wall of the second through hole during the emission process, but due to The shape of the through hole is funnel-shaped, and the photosensitive signals will be collected more. Specifically, in the second through hole, the photosensitive signal will be emitted from the second through hole by refraction on the hole wall. This can effectively improve the sending and receiving rate of photosensitive signals.

In another embodiment of the present application, the electronic device further includes: a first light guide member and a second light guide member; the first light guide member is disposed between the middle frame and the receiving portion the second light guide member is disposed between the middle frame and the emitting portion; the cross-sectional area of the first light guide member close to the middle frame is larger than that of the first light guide member away from the The cross-sectional area of the middle frame, and/or, the cross-sectional area of the second light guide member close to the middle frame is greater than the cross-sectional area of the second light guide member away from the middle frame.

Specifically, the first light guide member and the second light guide member are both through-hole structures with large to small cross-sectional areas; the first light guide member may be disposed in the first through hole, or the first Between the through hole and the receiving part, the first through hole and the receiving part are connected; the second light guide can be arranged in the first through hole, or between the second through hole and the emitting part, and the second through hole and the emitting part are connected department.

More specifically, the cross-sectional area of the first end of the first light guide is larger than the cross-sectional area of the second end of the first light guide, and the first end of the first light guide is close to the middle frame, the second end of the first light guide member is far away from the middle frame; wherein, the second end of the first light guide member abuts on the receiving part (the second end of the first light guide member One end can abut on the middle frame);

And/or, the cross-sectional area of the first end of the second light guide is larger than the cross-sectional area of the second end of the second light guide, and the first end of the second light guide is close to the middle. frame, the second end of the second light guide member is far away from the middle frame; wherein, the second end of the second light guide member abuts on the emitting part (the second end of the second light guide member One end can abut on the middle frame). The specific principle is the same as the above, and will not be repeated here.

In other embodiments of the present application, the structure has a first through hole and a second through hole from large to small at the same time, and also has a first light guide and a first light guide from large to small in cross-sectional area. The structure of the second light guide. Wherein, the first light guide member is attached to the first through hole, and the second light guide member is attached to the second through hole. The material of the first light guide member and the second light guide member may be rigid material, or any material with extremely low light transmittance. When the first light guide member is attached to the first through hole, and the second light guide member is attached to the second through hole, the first through hole and the second through hole are the first light guide member and the second light guide member. The first light guide member and the second light guide member are prevented from being damaged due to shaking during the use of the electronic device by the user.

In the embodiment of the present application, the end portion where the second side of the middle frame is located is provided with an accommodating space; wherein, the photosensitive device is provided in the accommodating space. This can provide a certain protection capability for the photosensitive device. When the electronic device is used by the user, the photosensitive device will not be damaged due to shaking.

Specifically, the first lens is a Fresnel lens, and/or the second lens is a Fresnel lens. The Fresnel lens can focus light or emit parallel light at the same time, because its structure itself is thinner than ordinary convex lenses, thereby reducing the overall weight of electronic equipment.

Optionally, the first lens is a plano-convex lens, and/or the second lens is a plano-convex lens.

In view of the above technical problems, an embodiment of the present application provides an electronic device, which relates to a design method of a screen photosensitive anti-cross light structure in an extreme space environment: opening two small-sized light-passing holes in the middle frame (that is, the above-mentioned No. A through hole and a second through hole) pass through the FOV (field of view) of the photosensitive device; the angle of light emission and reception is integrated through a Fresnel lens (threaded lens), and a shield is set between the two through holes to prevent The light emitted by the emitting part of the photosensitive device is directly refracted under the screen to enter the receiving part of the photosensitive device, forming a string of light, which affects the error of the photosensitive device.

The solutions provided in the embodiments of the present application are illustrated below with examples.

When the photosensitive device is working normally, the infrared photosensitive signal is sent by the transmitting end (that is, the above-mentioned transmitting part), and the receiving end (that is, the above-mentioned receiving part) receives the infrared photosensitive signal to judge the distance.

In the middle frame 1 and the foam glue (a specific realization of the above-mentioned connecting part 11 ), two small holes are respectively opened (the aperture ensures that the FOV of the photosensitive device is not blocked. Specifically, the above-mentioned first through hole 4 is opened. , the second through hole 5, the third through hole 12 and the fourth through hole 13), the foam glue does not open large holes, and a shielding piece is provided to prevent cross-light.

In addition, in order to ensure the normal operation of the photosensitive device, this solution also proposes adding a Fresnel lens (threaded lens, that is, the first lens 8 above) at the two photosensitive holes (that is, the first through hole 4 and the second through hole 5). and the second lens 9); make the transmitting end (FOV smaller than the receiving end) send out an infrared photosensitive signal through the Fresnel lens on the other side (screen side) to emit parallel light (perpendicular to the screen cover), receive The infrared photosensitive signal received by the end is focused on the receiving end through the Fresnel lens on the other side (photosensitive side); further avoiding cross-light caused by light reflection between the transmitting end and the receiving end.

The electronic device provided by the embodiment of the present application may be a mobile phone, a tablet computer, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), a netbook, a wearable device (Wearable Device), a vehicle-mounted device, or a personal digital assistant (Personal Digital Assistant). Digital Assistant, PDA), etc. It should be noted that the specific types of electronic devices are not limited in the embodiments of the present application.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims (8)

1. An electronic device, comprising:

the device comprises a middle frame, a photosensitive device and a shielding piece;

the middle frame is provided with a first through hole and a second through hole, the photosensitive device is arranged on the first side of the middle frame, a receiving part of the photosensitive device is communicated with the first through hole, and an emitting part of the photosensitive device is communicated with the second through hole; the shielding piece is arranged on the second side of the middle frame and positioned between the first through hole and the second through hole, and the first side and the second side are opposite to each other;

the shielding piece is a preset material layer and/or a boss structure arranged on the middle frame;

the second end of the first through hole abuts against the receiving part, and the second end of the second through hole abuts against the transmitting part;

the first through hole is a through hole structure with a cross sectional area from large to small, the cross sectional area of the first end of the first through hole is larger than the cross sectional area of the second end of the first through hole, and/or the second through hole is a through hole structure with a cross sectional area from large to small, and the cross sectional area of the first end of the second through hole is larger than the cross sectional area of the second end of the second through hole.

2. The electronic device of claim 1, further comprising:

the first lens is arranged in the first through hole, and enables the received photosensitive signal to be focused on the receiving part;

and/or the second lens is arranged in the second through hole, and the second lens enables the photosensitive signal emitted by the emitting part to be emitted in the form of parallel light.

3. The electronic device of claim 1, further comprising: a screen cover plate;

the screen cover plate is fixed to the second side of the middle frame, and the shielding piece is located between the screen cover plate and the middle frame.

4. The electronic device of claim 3, further comprising: a connecting portion;

the screen cover plate is fixed on the second side of the middle frame through the connecting part; the connecting part between the first through hole and the second through hole is connected with the middle frame through the shielding piece;

a third through hole and a fourth through hole are arranged on the connecting part, and the third through hole is communicated with the first through hole and forms a first optical channel; the fourth through hole is communicated with the second through hole and forms a second optical channel.

5. The electronic device of claim 4, wherein the thickness of the shutter is less than or equal to the distance between the middle frame and the screen cover.

6. The electronic device of claim 1, further comprising: a first light guide and a second light guide;

the first light guide piece is arranged between the middle frame and the receiving part, and the second light guide piece is arranged between the middle frame and the transmitting part; the cross-sectional area of the first light guide piece close to the middle frame is larger than the cross-sectional area of the first light guide piece departing from the middle frame, and/or the cross-sectional area of the second light guide piece close to the middle frame is larger than the cross-sectional area of the second light guide piece departing from the middle frame.

7. The electronic device of claim 1, wherein an accommodating space is formed at an end portion where the second side of the middle frame is located;

wherein, the photosensitive device is arranged in the accommodating space.

8. The electronic device of claim 2, wherein the first lens is a fresnel lens, and/or wherein the second lens is a fresnel lens.

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