CN211089681U

CN211089681U - Electronic device

Info

Publication number: CN211089681U
Application number: CN201922154969.5U
Authority: CN
Inventors: 林喆; 谢正雄
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-24
Anticipated expiration: 2029-12-04

Abstract

The application discloses electronic equipment, the display screen has the first surface as showing output region among the electronic equipment, the display screen sets up with frame body relatively fixed, be provided with the daylighting through-hole on the frame body, the fixed leaded light component that is provided with in the daylighting through-hole the terminal correspondence of leaded light component is provided with photosensitive element, photosensitive element is used for passing through leaded light component obtains the incidence the light of daylighting through-hole. Can will at least part the photosensitive element is arranged in the below of display screen, at this moment, through the leaded light component will incide the light transmission of daylighting through-hole arrives the photosensitive element, avoided owing to will at least part the photosensitive element is arranged in during the below of display screen, the display screen shelters from the problem to the light of photosensitive element, need not electronic equipment's the regional wide size of reserving of shading in order to set up the photosensitive element does benefit to electronic equipment and further reduces shading area, in order to improve electronic equipment's screen accounts for the ratio.

Description

Electronic device

Technical Field

The application relates to the technical field of electronic devices, in particular to an electronic device with a photosensitive function.

Background

With the continuous progress of science and technology, more and more electronic devices with display functions are widely applied to the daily life and work of people, and bring great convenience to the daily life and work of people. The main component of the electronic device implementing the display function is a display screen.

In order to meet the demand of people for more functions of electronic devices, the electronic devices need to integrate a photosensitive element so that the electronic devices can perform a setting function based on the detection result of the optical signal. In the prior art, the display screen needs to be exposed out of the photosensitive element to avoid the display screen from shielding the photosensitive element, so that the width of a shading area of the electronic equipment is large, and the high screen occupation ratio of the electronic equipment is not facilitated to be increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an electronic device, which includes:

an electronic device, comprising:

a display screen having a first surface, the first surface being a display output area of the display screen;

the display screen and the frame body are relatively and fixedly arranged; the frame body is provided with a lighting through hole;

the light guide element is fixedly arranged in the lighting through hole;

the light sensing element corresponds to the tail end of the light guide element and is used for obtaining light rays entering the lighting through hole through the light guide element.

Preferably, in the electronic device, the light collecting through hole is located in a first frame of the frame body, and the first frame corresponds to a short side of the first surface of the display screen.

Preferably, in the electronic device, the display screen has a second surface opposite to the first surface; the lighting through hole is a through hole, and the through hole is parallel to the second surface of the display screen.

Preferably, in the above electronic device, the photosensitive element is an ambient light sensor, and the photosensitive element is at least partially located in an orthographic projection area of the second surface of the display screen.

Preferably, in the electronic device, a side wall of the light guide element has a reflective film, one end of the light guide element is located in the lighting through hole and is used for collecting light, and the light entering the light guide element through a head end of the light guide element is reflected by the reflective film, then exits through a tail end of the light guide element and irradiates the photosensitive element.

Preferably, in the electronic device, the head end of the light guide element is located in the lighting through hole, and the head end surface of the light guide element is adapted to the surface of the frame body where the lighting through hole is located.

Preferably, in the electronic device, a head end of the light guide element is exposed from the light collecting through hole, and a head end surface of the light guide element is a convex curved surface.

Preferably, in the electronic device, the light guide element is an integrally formed inflexible light guide pillar;

or, the light guide element is a bendable optical fiber.

Preferably, in the electronic device, the display screen has a second surface opposite to the first surface; the photosensitive element is positioned below the display screen, and a photosensitive area of the photosensitive element faces the second surface; the tail end of the light guide element is opposite to the photosensitive area.

Preferably, in the electronic device, the light guide element extends from the light collecting through hole to a position between the display screen and the light sensing element, and is bent toward the light sensing area.

It can be known through the above description, among the electronic equipment that this application technical scheme provided, the display screen has as the first surface that shows output area, and its shown display screen sets up with frame body relatively fixed, be provided with the daylighting through-hole on the frame body, the fixed leaded light component that is provided with in the daylighting through-hole the terminal correspondence of leaded light component is provided with photosensitive element, photosensitive element is used for passing through leaded light component obtains the incidence the light of daylighting through-hole. Can will at least part the photosensitive element is arranged in the below of display screen, at this moment, through the leaded light component will incide the light transmission of daylighting through-hole arrives photosensitive element has avoided owing to will at least part photosensitive element arranges in the display screen when the below of display screen the display screen shelters from the problem to photosensitive element's light, need not electronic equipment's the regional wide size of reserving of shading in order to set up photosensitive element does benefit to electronic equipment and further reduces shading area, in order to improve electronic equipment's screen is accounted for than.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a top view of an electronic device incorporating a light sensing element;

FIG. 2 is a cross-sectional view of the electronic device shown in FIG. 1 along the A-A' direction;

fig. 3 is a top view of an electronic device integrated with a photosensitive element according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of the electronic device shown in FIG. 3 along the direction B-B';

fig. 5 is a top view of another electronic device integrated with a photosensitive element according to an embodiment of the present disclosure;

fig. 6 is a top view of another electronic device integrated with a photosensitive element according to an embodiment of the present disclosure.

Detailed Description

The embodiments of the present application will be described in detail and fully with reference to the accompanying drawings, wherein the description is only for the purpose of illustrating the embodiments of the present application and is not intended to limit the scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and 2, fig. 1 is a top view of an electronic device integrated with a photosensitive element, fig. 2 is a sectional view of the electronic device shown in fig. 1 in a direction a-a', and the electronic device shown in fig. 1 and 2 includes a display screen 11 and a photosensitive element 12. The display screen has a first surface and a second surface opposite to each other, and the first surface is a display output area of the display screen 11.

The electronic device further comprises a transparent cover 13, the transparent cover 13 having a light-blocking area and a light-transmitting area. The light-transmitting area is attached and fixed to the first surface of the display screen 11. The light-shielding region is fixed to the frame body 14. The frame body 14 includes a front frame 141 and a middle frame 142 that are integrally combined, and in other embodiments, the frame body 14 may be an integrally formed structure. The electronic device is further integrated with a photosensitive element 12, in order to avoid the display screen 11 blocking the photosensitive element 12 to collect light, the display screen 11 is set not to block the photosensitive element 12, the display screen 11 and the photosensitive element 12 are generally set in the same layer, and the photosensitive element 12 is fixed on the middle frame 142.

The photosensitive element 12 is disposed below the light shielding region of the transparent cover 13, and in order to allow light to pass through, a light-transmitting window needs to be disposed in the light shielding region at a position corresponding to the photosensitive element 12. The light-transmitting window can be a lighting through hole arranged in the shading area, or the shading area of the light-transmitting cover plate 14 is covered with an ink layer to form the shading area, so that light is shielded, and the light-transmitting window is a hollow area reserved on the ink layer, so that the light can penetrate through the hollow area.

As shown in fig. 1 and 2, in order to ensure the lighting of the photosensitive element 12, the display screen 11 needs to expose the photosensitive element 12, so the photosensitive element 12 needs to be disposed below the light shielding area, and compared with the design requirement of the narrow light shielding area of the existing full-face screen, the width of the photosensitive element 12 is large, which is not favorable for the electronic device to realize the design of the narrow light shielding area, and is not favorable for the electronic device to realize the design purpose of high screen occupation ratio.

In order to solve the above problem, an embodiment of the present application provides an electronic device, in the electronic device, a display screen has a first surface as a display output area, and its shown display screen and a frame body are relatively fixedly arranged, be provided with a lighting through hole on the frame body, a light guide element is fixedly arranged in the lighting through hole, a photosensitive element is correspondingly arranged at the end of the light guide element, and the photosensitive element is used for passing through the light guide element to obtain incidence the light of the lighting through hole. Can will at least part the photosensitive element is arranged in the below of display screen, at this moment, through the leaded light component will incide the light transmission of daylighting through-hole arrives photosensitive element has avoided owing to will at least part photosensitive element arranges in the display screen when the below of display screen the display screen shelters from the problem to photosensitive element's light, need not electronic equipment's the regional wide size of reserving of shading in order to set up photosensitive element does benefit to electronic equipment and further reduces shading area, in order to improve electronic equipment's screen is accounted for than.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 3 and 4, fig. 3 is a top view of an electronic device integrated with a photosensitive element according to an embodiment of the present application, fig. 4 is a cross-sectional view of the electronic device shown in fig. 3 in a direction B-B', and the electronic device shown in fig. 3 and 4 includes: display screen 21, frame body 24, light guide element 25 and light receiving element 22.

The display screen 21 has a first surface, which is a display output area of the display screen 21. The display screen 21 and the frame body 24 are relatively fixed. The frame body 24 is provided with a lighting through hole K. The light guide element 25 is fixedly disposed in the lighting through hole K. The photosensitive element 22 corresponds to the end of the light guide element 25, and the photosensitive element 22 is configured to obtain the light entering the light collecting through hole K through the light guide element 25.

This application embodiment among the electronic equipment, can be with at least part photosensitive element 22 arranges in the below of display screen 21, at this moment, through leaded light component 25 will be incited daylighting through-hole K's light transmits to photosensitive element 22 has avoided owing to at least part photosensitive element 22 arranges in during the below of display screen 21, display screen 21 is right photosensitive element 22's light shelters from the problem, need not electronic equipment's shading area reserves the wider size in order to set up photosensitive element 22 does benefit to electronic equipment further improves the screen and accounts for the ratio.

In the manner shown in fig. 3 and 4, the frame body 24 includes a detachable front frame 241 and a middle frame 242. In other forms, the frame body 24 may be an integrally formed structure.

At present, because the thickness of the display screen 21 is relatively thin, in order to enhance the mechanical strength of the display screen, the electronic device further includes a light-transmitting cover plate 23. The light-transmitting cover 23 has a light-transmitting region and a light-shielding region. The light transmission area is used for being attached and fixed with the display output area of the display screen 21, and the light transmission area and the display output area of the display screen 21 can be bonded and fixed through optical colloid. The periphery of the light shielding region is fixed to the frame 24, and the periphery of the light shielding region and the frame 24 may be fixed by bonding with an optical adhesive.

In another mode, if the thickness of the display screen 21 is large, a transparent cover plate may not be required, in this case, the periphery of the second surface of the display screen 21 may be directly fixed to the frame body 24, and the periphery of the second surface of the display screen 21 and the frame body 24 may be fixed by bonding with an optical adhesive.

Referring to fig. 5, fig. 5 is a top view of another electronic device integrated with a photosensitive element according to an embodiment of the present disclosure, in the electronic device shown in fig. 5, the display screen 21 is a rectangular structure, and the light-collecting through hole K is located in a first frame of the frame body 24, where the first frame corresponds to a short side of a first surface of the display screen 21. The display screen 21 has a rectangular structure, and the first surface of the display output area has two opposite short sides and two opposite long sides.

Two short sides are generally used as the upper end and the lower end of the electronic device, respectively, to display in the forward direction in the case of normal image display. The first frame corresponds to the short edge of the first surface, that is, the first frame is an upper frame or a lower frame of the electronic device. In the embodiment of the application, preferably set up first frame is last frame, and if the design, when this electronic equipment was handed to the user, conventional operation mode was, and last frame is up, if can make and be located the daylighting through-hole K of going up the frame can be up, collection ambient light that can be comparatively accurate.

It should be noted that, in fig. 5, the light guide element 25 and the light sensing element 22 are located inside the electronic device, and the positions thereof are indicated by dashed lines, fig. 5 is only an illustration of an arrangement manner, and the actual positions of the light guide element 25 and the light sensing element 22 may be set based on requirements, and are not limited to the manner shown in fig. 5.

In the manner shown in fig. 3 to 5, the light-collecting through hole K is a through hole, and the through hole is parallel to the second surface of the display screen 21. The display screen 21 has a second surface opposite the first surface. The orientation of the lighting through hole K is parallel to the second surface, and the extending direction is unchanged, so as to be parallel to the extending direction of the second surface, penetrate through the outer side surface of the first frame to the frame body 24, and extend to the inside of the electronic device. Correspondingly, the light guide element 25 is located in the lighting through hole K, and the portion of the light guide element 25 located in the through hole is a cylinder matched with the through hole.

Fig. 6 is a top view of another electronic device integrated with a light sensing element, where in the electronic device shown in fig. 6, the lighting through hole K is a bent through hole, and has a first part through hole and a second part through hole, the first part through hole is perpendicular to the second surface, and the arc-shaped sidewall of the frame body 24 extends downward into the frame body 24, and the second part through hole is communicated with the first part through hole and extends inward parallel to the second surface, and penetrates through the frame body to communicate with the internal space of the electronic device. Correspondingly, the part of the light guide element 25 located in the lighting through hole K is a bent cylinder matched with the lighting through hole K.

The light sensing element 22 is an ambient light sensor for detecting the brightness of ambient light. The electronic device is configured to execute a preset function based on the ambient light brightness detected by the photosensitive element 22, and the executing of the preset function based on the ambient light brightness detected by the photosensitive element 22 by the electronic device at least includes: automatically adjusting the brightness of the display screen 21 based on the brightness of the ambient light, so as to display an adapted brightness based on the brightness of the ambient light, so as to improve the viewing comfort of a user; or, based on the ambient light brightness, adjusting the APP to switch between the night display mode and the day display mode, for example, controlling the reading APP to switch between the two modes, and then, for example, controlling the electronic map navigation mode to switch between the two modes.

The light sensing element 22 is at least partially located within the forward projection area of the second surface of the display screen 21. That is, the display screen 21 blocks at least a part of the photosensitive element 22 in a direction perpendicular to the display screen 21. At this time, although the display screen 21 at least partially shields the light sensing element 22, the light guiding element 25 and the light collecting through hole K, which are specifically arranged, guide the path of the light propagation path, so that the light enters the light sensing element 22 at least partially shielded by the display screen 21, and the light collecting of the light sensing element 22 is not affected, and the light sensing element 22 is arranged below the display screen 21 and at least partially shielded by the display screen 21, so that the width of the light shielding area of the electronic device is not increased, and the screen occupation ratio of the electronic device is further improved.

In order to improve the percentage of the light collected by the collecting through hole K irradiating the photosensitive element 22, the side wall of the light guide element 25 is provided with a reflective film, one end of the light guide element 25 is positioned in the lighting through hole K and used for collecting light, and the light entering the light guide element 25 through the head end of the light guide element 25 passes through the reflective film for reflection and then passes through the tail end of the light guide element 25 to be emitted and irradiated to the photosensitive element 22.

Optionally, the head end of the light guide element 25 is located in the lighting through hole K, and the head end surface of the light guide element 25 is adapted to the surface of the frame body 24 where the lighting through hole K is located.

If the surface of the frame body 24 corresponding to the lighting through hole K is a plane, the head end surface of the light guide element 25 is a plane flush with the plane surface of the frame body 24. If the surface of the frame body 24 corresponding to the lighting through hole K is a convex curved surface, the end surface of the head end of the light guide element 25 is a convex curved surface smoothly transiting to the surface of the convex curved surface of the frame body 24. In this way, the head end surface of the light guide element 25 can be made to conform to the surface appearance structure of the frame body 24.

In the electronic device according to the embodiment of the present application, it is preferably set that the outer surface of the frame body 24 is a convex curved surface, and if the outer surface is adapted to the convex curved surface, the end surface of the head end of the light guide element 25 is also a convex curved surface, which is equivalent to a convex lens, and has a larger view field angle, so that external light can be collected within a larger angle range. The lighting range can reach 135 degrees in the mode shown in fig. 4, a schematic diagram of the incident lighting through hole K capable of collecting light rays propagating in three directions of 30 degrees, 45 degrees and 70 degrees is shown.

In other modes, in order to improve the view field angle of the light guiding element 25 for collecting light, the head end of the light guiding element 25 may be exposed out of the lighting through hole K, and the head end surface of the light guiding element 25 is a convex curved surface, which is equivalent to that a convex lens is arranged outside the lighting through hole K, so that the view field angle of lighting is greatly improved.

In the electronic device of the embodiment of the present application, the light guide element 25 is an integrally formed inflexible light guide pillar, and can form a light guide pillar of an integral structure based on the structure of the lighting through hole K. If the light guide element 25 is an integrally formed inflexible light guide pillar, the light guide pillar may be a polycarbonate light guide pillar or a polymethylmethacrylate light guide pillar. The light guide column has the light transmittance of more than 90%, and the polycarbonate light guide column or the polymethyl methacrylate light guide column has the larger light transmittance, and the light transmittance is not less than 90%.

In other forms, the light guide element 25 may also be a bendable optical fiber, and the optical fiber has a bending characteristic, and can be adapted to a lighting through hole K of any structure, so as to transmit collected light to the light sensing element 22. The light guide element 25 may be a fiber bundle composed of a plurality of parallel optical fibers. The number of optical fibers in the bundle depends on the diameter of the optical fibers and the aperture of the light-collecting through-hole K.

As described above, the display screen 21 has a second surface opposite to the first surface; the photosensitive element 22 is located below the display screen 21, and a photosensitive area of the photosensitive element 22 faces the second surface; the end of the light guide element 25 is disposed opposite to the photosensitive region.

In the embodiment of the application, daylighting through-hole K can be the round hole, or square hole, or triangle hole, or elliptical hole etc. daylighting through-hole K's maximum line width is no longer than 5mm, if square hole, and length is no longer than 5mm, and the width is no longer than 3mm, if for the round hole, the aperture is no longer than 5 mm.

Set up photosensitive element 22's photosensitive zone orientation the second surface, be convenient for photosensitive element 22 with binding of electronic equipment mainboard, electronic equipment's mainboard with the second surface of display screen 21 sets up relatively, photosensitive element 22 binds electronic equipment's mainboard is close to the surface of display screen 21. Incident light is in light guide element 25 in-process, light need be in emergent after light guide element 25's lateral wall multiple reflection propagates, in order to make more light shines in the light guide element 25 photosensitive element 22's photosensitive area sets up light guide element 25 by daylighting through-hole K extends to display screen 21 with between the photosensitive element 22, and the orientation photosensitive element 22's photosensitive area is crooked, can make more processes through this bending structure light guide element 25 lateral wall reflection shines photosensitive element 22's photosensitive area to improve the detection precision of setting a light.

This application embodiment among the electronic equipment, can with photosensitive element 22 sets up the below of display screen 21, through display screen 21 shelters from the part or shelters from completely photosensitive element 22, through setting up leaded light component 25 with daylighting through-hole K's overall arrangement can realize making the setting and be in photosensitive element 22 of display screen 21 below optional position all can normally acquire external light signal, has overcome because display screen 21 with photosensitive element 22 stacks up from top to bottom and sets up the structure and leads to display screen 21 shelters from embarrassing element 22 daylighting problem. Therefore, the electronic device can reduce the space required by the photosensitive element 22 in the light-shielding region, so that the width of the light-shielding region can be further reduced, thereby achieving the purpose of full-screen display ratio design, and therefore, the electronic device in the embodiment of the present application can realize the characteristics of high incident angle, high light transmittance and the like through the scheme design of the light guide element 25.

The embodiments in the present description are described in a progressive manner, or in a parallel manner, or in a combination of a progressive manner and a parallel manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electronic device, comprising:

the light guide element is fixedly arranged in the lighting through hole;

2. The electronic device of claim 1, wherein the light-collecting via is located in a first border of the frame body, the first border corresponding to a short side of the first surface of the display screen.

3. The electronic device of claim 2, wherein the display screen has a second surface opposite the first surface; the lighting through hole is a through hole, and the through hole is parallel to the second surface of the display screen.

4. The electronic device of claim 3, wherein the light-sensing element is an ambient light sensor, the light-sensing element being located at least partially within a forward projection area of the second surface of the display screen.

5. The electronic device according to claim 1, wherein a reflective film is disposed on a side wall of the light guide element, and one end of the light guide element is located in the lighting through hole for collecting light, and the light entering the light guide element through the head end of the light guide element is reflected by the reflective film, and then exits through the tail end of the light guide element to irradiate the photosensitive element.

6. The electronic device according to claim 1, wherein a head end of the light guide element is located in the lighting through hole, and an end surface of the head end of the light guide element is fitted to a surface of the frame body where the lighting through hole is located.

7. The electronic device according to claim 1, wherein a head end of the light guide element is exposed from the light-collecting through hole, and a head end surface of the light guide element is a convex curved surface.

8. The electronic device of claim 1, wherein the light guide element is an integrally formed inflexible light guide post;

or, the light guide element is a bendable optical fiber.

9. The electronic device of any of claims 1-8, wherein the display screen has a second surface opposite the first surface; the photosensitive element is positioned below the display screen, and a photosensitive area of the photosensitive element faces the second surface; the tail end of the light guide element is opposite to the photosensitive area.

10. The electronic device of claim 9, wherein the light guiding element extends from the light-collecting via hole to between the display screen and the light-sensing element and is bent toward the light-sensing area.