CN107967025B

CN107967025B - Display screen assembly and electronic equipment

Info

Publication number: CN107967025B
Application number: CN201711176962.2A
Authority: CN
Inventors: 张海平; 周意保
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-11-22
Filing date: 2017-11-22
Publication date: 2020-01-31
Anticipated expiration: 2037-11-22
Also published as: CN107967025A

Abstract

The embodiment of the application provides display screen assemblies and electronic equipment, each display screen assembly comprises a display screen, an optical reflector and a functional assembly, each optical reflector and each functional assembly are arranged on the side of the corresponding display screen , each functional assembly comprises a camera and a sensor assembly, each optical reflector is arranged between the corresponding display screen and the corresponding camera, a light shielding layer is arranged on the side, facing towards the corresponding optical reflector, of the of each display screen, an opening is formed in each light shielding layer, each opening is coaxial with the corresponding camera, each sensor assembly is arranged on the side of the corresponding optical reflector, each sensor assembly comprises a signal emitter and a signal receiver, each signal emitter emits a detection signal, each detection signal is reflected to the corresponding opening through the corresponding optical reflector and then transmitted to the outside through the corresponding opening, each detection signal is reflected by an external object to form a reflection signal, each reflection signal passes through the corresponding opening and is reflected to the corresponding signal receiver through the corresponding optical reflector.

Description

Display screen assembly and electronic equipment

Technical Field

The present application relates to the field of electronic devices, and in particular, to kinds of display screen assemblies and an electronic device.

Background

During the use of the electronic device, for example, during a call, in order to avoid misoperation of the electronic device by a user, when the face of the user approaches the electronic device for fixed distances, the electronic device automatically turns off the screen.

Generally, an electronic device detects approach and departure of a user's face by a proximity sensor, and controls the electronic device to turn off or on a screen according to the detected data.

Disclosure of Invention

The embodiment of the application provides kinds of display screen assemblies and electronic equipment, can reduce the trompil quantity of electronic equipment.

The embodiment of the application provides kinds of display screen assemblies, including the display screen and set up optical mirror and the functional unit in display screen side, the functional unit includes camera and sensor assembly, the optical mirror sets up between the display screen and the camera;

a light shielding layer is arranged on the side of the display screen facing the optical reflector, an opening is formed in the light shielding layer, the opening and the camera are coaxially arranged, and the sensor assembly is arranged on the side of the optical reflector;

the sensor assembly comprises a signal emitter and a signal receiver, the signal emitter emits a detection signal, and the detection signal is reflected to the opening through the optical reflector and then transmitted to the outside through the opening; the detection signal is reflected by an external object to form a reflection signal, and the reflection signal passes through the opening and is reflected to the signal receiver through the optical reflector.

The embodiment of the application further provides kinds of electronic equipment, including casing and display screen subassembly, the display screen unit mount is in on the casing, the display screen subassembly is above-mentioned display screen subassembly.

The display screen subassembly that the embodiment of the application provided, optical reflector sets up between display screen and camera, trompil and the coaxial setting of camera, and sensor module sets up in optical reflector side, camera accessible optical reflector, acquire external scene through the trompil, and sensor module accessible optical reflector with signal reflection to predetermineeing on the position, thereby sensor module and camera can share trompil, can reduce the trompil that sensor module needs, and then reduce electronic equipment's trompil quantity.

Drawings

It is obvious that the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive labor.

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a display screen assembly according to an embodiment of the present application.

Fig. 3 is a schematic plan view of a display screen in a display screen assembly according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of an optical mirror in a display screen assembly according to an embodiment of the present disclosure.

Fig. 5 is a schematic view of another structure of an optical mirror in a display panel assembly according to an embodiment of the present disclosure.

Fig. 6 is a schematic structural diagram of a sensor assembly in a display screen assembly according to an embodiment of the present disclosure.

Fig. 7 is another schematic structural diagram of a sensor assembly in a display screen assembly according to an embodiment of the present disclosure.

Fig. 8 is a structural diagram illustrating a sensor assembly in a display screen assembly according to an embodiment of the present disclosure.

Fig. 9 is a structural schematic diagram of another of a sensor assembly in a display screen assembly according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, it is obvious that the described embodiments are only partial embodiments of the present application , rather than all embodiments.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operation in a particular orientation, and thus be construed as limiting the present application.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" shall be construed , for example, as being either fixedly connected, detachably connected, or physically connected, mechanically connected, electrically connected, or in communication with each other, directly connected, indirectly connected through an intermediary, connected internally between two elements, or in an interactive relationship between two elements.

In this application, unless expressly stated or limited otherwise, the word "over" or "under" a feature may include the word directly contacting the second feature and may also include the word feature being in direct contact with the second feature but being in contact with another feature in between.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the present application provides electronic devices, which may be smart phones, tablet computers, etc. referring to fig. 1, an electronic device 100 includes a cover plate 10, a display screen assembly 20, a circuit board 30, and a housing 40.

Wherein the cover plate 10 is mounted to the display screen assembly 20 to cover the display screen assembly 20. the cover plate 10 may be a clear glass cover plate in some embodiments of , the cover plate 10 may be a glass cover plate made of a material such as sapphire.

The display screen assembly 20 is mounted on the housing 40 to form a display surface of the electronic device 100. the display screen assembly 20, which serves as a front case of the electronic device 100, forms an enclosed space with the housing 40 for accommodating other electronic components of the electronic device 100. at the same time, the display screen assembly 20 forms a display surface of the electronic device 100 for displaying information such as images, text, and the like.

The circuit board 30 is mounted inside the housing 40 to accommodate the circuit board 30 in the closed space. The circuit board 30 may be a motherboard of the electronic device 100. The circuit board 30 is provided with a grounding point to realize grounding of the circuit board 30. Meanwhile, the display screen assembly 20 may be electrically connected to the circuit board 30.

In , the circuit board 30 has a display control circuit disposed thereon that outputs electrical signals to the display screen assembly 20 to control the display screen assembly 20 to display information.

The housing 40 is used to form the outer contour of the electronic device 100. the housing 40 may be made of plastic or metal, and the housing 40 may be formed by .

In embodiments, as shown in FIG. 2, the display screen assembly 20 includes a display screen 21, an optical mirror 22, and a sensor assembly 23, wherein the optical mirror 22 and the functional assembly 23 are disposed on the side of the display screen 21, the functional assembly 23 includes a camera 231 and a sensor assembly 232, and further, the optical mirror 22 is disposed between the display screen 21 and the camera 231.

It will be appreciated that the optical mirror 22 and the functional components 23 are arranged on the inside of the display screen 21, wherein inside refers to the side that is not visible from the display screen 21 when viewed from the outside of the electronic device 100, i.e. the optical mirror 22 and the functional components 23 are located inside the electronic device 100.

The display panel 21 includes a display layer 211 and a light-shielding layer 212. The display layer 211 is used to display information such as images and texts. The light shielding layer 212 faces the optical mirror 22. The light-shielding layer 212 is used to hide the internal structure of the electronic device 100, so that a user can see the internal electronic components of the electronic device 100 through the display screen 21.

The light-shielding layer 212 has an opening 213. Wherein the opening 213 is coaxially arranged with the camera 231. That is, the axis of the aperture 213 coincides with the axis of the camera 231. The opening 213 allows light signals, sound wave signals, and the like to pass through.

The sensor assembly 232 is disposed at the side of the optical reflector 22, that is, the sensor assembly 232 cannot block the camera 231 from acquiring an external scene through the optical reflector 22 and the opening 213. in addition, the sensor assembly 232 is disposed at the 22 side of the optical reflector 22, the optical reflector 22 cooperates with the sensor assembly 232 to reflect a signal emitted by the sensor assembly 232 to the opening 213 through the optical reflector 22 and then to transmit the signal to the outside through the opening 213, and meanwhile, a formed signal reflected by an external object can also pass through the opening 213 and be reflected to the sensor assembly 232 through the optical reflector 22.

Sensor assembly 232 includes a signal transmitter 2321 and a signal receiver 2322. The signal transmitter 2321 is configured to transmit the detection signal a outwards. The detection signal a is reflected to the opening 213 by the optical mirror 22 and then transmitted to the outside through the opening 213. When the detection signal a contacts an external object 200 (e.g., a user's face), a reflected signal B is generated. Reflected signal B passes through aperture 213 and enters signal receiver 2322 via optical mirror 22.

After receiving the reflected signal B, the signal receiver 2322 may output the received signal to a processor of the electronic device 100 for processing, so as to control the display screen of the electronic device 100 to turn off or turn on the display screen.

The opening 213 is formed in the light shielding layer 212 of the display screen 21, the opening 213 is coaxially arranged with the camera 231, the optical reflector 22 is arranged between the opening 213 and the camera 231, the sensor assembly 232 is arranged on the side of the optical reflector 22, the sensor assembly 232 and the camera 231 share the opening , the size of the opening 213 can be matched with that of the camera 231 only, signals are reflected to a preset position through the optical reflector 22, the openings needed by the sensor assembly 232 can be reduced, and the number of openings of electronic equipment is reduced.

It should be noted that the camera 231 can obtain the external scene through the opening 213 via the optical reflector 22, that is, the optical reflector can reflect light with certain wavelength and project light with other wavelengths, so that the camera 231 can obtain the external scene through the opening 213 via the optical reflector 22.

In , signal emitter 2321 is an infrared emitter for emitting infrared light, and signal receiver 2322 is an infrared receiver for receiving infrared light.

In , the Display panel 21 may be a Liquid Crystal Display (LCD) or Organic Light-Emitting Diode (OLED) Display panel, when the Display panel 21 is a LCD Display panel, the Display layer 211 may include a backlight plate, a lower polarizer, an array substrate, a Liquid Crystal layer, a color filter substrate, and an upper polarizer, which are sequentially stacked.

, the light-shielding layer 211 can be a thin layer made of foam or steel.

In embodiments, as shown in FIG. 3, the display screen 21 includes a display area 215 and a non-display area 216, wherein the display area 215 performs the display function of the display screen 21 for displaying information, the non-display area 216 does not display information, the display screen 21 may include a plurality of non-display areas 216 spaced apart from each other, for example, the non-display areas 216 are respectively disposed on the top and bottom of the display screen 21, the non-display areas 216 may be used to provide a microphone and a fingerprint module, etc.

The opening 213 formed in the light shielding layer 212 of the display screen 21 is located in the display area 215 of the display screen 21, through the opening 213, the function component 23 can achieve the proximity sensing function of the electronic device 100, and at the same time, the camera 231 can shoot outside scenes through the opening 213, so that the functions of the camera 231 and the sensor component 232 can be achieved through openings.

In the embodiments, the opening 213 is a circular opening, the diameter of the opening 213 is 2-4 mm, and in other embodiments, the opening 213 can be other shapes such as a square opening, an elliptical opening, and the like.

The optical mirror 22 may be a dichroic mirror that is substantially transparent to wavelengths of light and substantially reflective to other wavelengths of light, such that infrared light may be transmitted through the dichroic mirror and other wavelengths of light, in embodiments, in conjunction with fig. 3 and 4, the optical mirror 22 has a reflective plane 222, wherein the reflective plane 222 faces the sensor assembly 232 and the aperture 213 in the display screen assembly 20.

It will be appreciated that the optical mirror 22 has a reflection plane 222 of , wherein the reflection plane 222 is oriented toward the sensor assembly 232 and the aperture 213, and the angle of the reflection plane of the optical mirror 22 with respect to the sensor assembly 232 and the aperture 213 is adjusted so that the signal emitted by the sensor assembly 232 is reflected by the reflection plane of the optical mirror 22 to the aperture 213.

In , referring to fig. 3 and 5, the optical reflector 22 has a concave reflective surface, that is, the optical reflector 22 is concave as the reflective surface and can function as a light-gathering surface, wherein the concave reflective surface faces the sensor module 232 and the opening 213 in the display panel assembly 20, and the angles between the concave reflective surface of the optical reflector 22 and the sensor module 232 and the opening 213 are adjusted so that the signal emitted by the sensor module 232 can be reflected to the opening 213 via the reflective surface of the optical reflector 22.

In embodiments, as shown in FIG. 6, sensor assembly 232 includes a signal emitter 2321 and a signal receiver 2322, wherein signal emitter 2321 and signal receiver 2322 are disposed adjacent to one another, a distance d1 between a geometric center of signal emitter 2321 and a geometric center of signal receiver 2322 is between 2 and 14 millimeters.

In embodiments, signal emitter 2321 and signal receiver 2322 are packaged as chip 24, positioning signal emitter 2321 and signal receiver 2322 adjacent to each other may reduce the volume of chip 24.

In , as shown in FIG. 7, sensor assembly 232 includes a signal emitter 2321 and a signal receiver 2322, wherein signal emitter 2321 and signal receiver 2322 are spaced apart from one another, a distance d2 between signal emitter 2321 and signal receiver 2322 is between 2 and 14 millimeters.

In , the signal transmitter 2321 and the signal receiver 2322 are packaged as a th chip 24.

In embodiments, as shown in FIG. 8, sensor assembly 232 includes a signal emitter 2321, a signal receiver 2322, and an ambient light sensor 2323. where ambient light sensor 2323 is used to detect an intensity of ambient light, electronic device 100 may adjust the brightness of display screen 21 based on the intensity of ambient light detected by ambient light sensor 2323.

Signal emitter 2321, signal receiver 2322, and ambient light sensor 2323 are disposed adjacent to one another. The distance d3 between the geometric center of signal transmitter 2321 and the geometric center of signal receiver 2322 is 2 to 14 millimeters.

In , signal transmitter 2321, signal receiver 2322 and ambient light sensor 2323 are packaged as a second chip 25.

In embodiments, as shown in FIG. 9, sensor assembly 232 includes a signal emitter 2321, a signal receiver 2322, and an ambient light sensor 2323, where ambient light sensor 2323 is used to detect an intensity of ambient light, electronic device 100 may adjust the brightness of display screen 21 based on the intensity of ambient light detected by ambient light sensor 2323.

Signal emitter 2321, signal receiver 2322 and ambient light sensor 2323 are disposed spaced apart from one another. Distance d4 between signal emitter 2321 and signal receiver 2322 is 2 to 14 millimeters. It is understood that the above distance is a distance between a geometric center of signal transmitter 2321 and a geometric center of signal receiver 2322. The signal emitter 2321, the signal receiver 2322 and the ambient light sensor 2323 are arranged at intervals, so that the isolation among the signal emitter 2321, the signal receiver 2322 and the ambient light sensor 2323 can be improved, and the influence of the signal emitted by the signal emitter 2321 on the signal receiver 2322 and the ambient light sensor 2323 can be reduced.

The display screen assembly and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the descriptions of the above embodiments are only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

A display screen assembly, comprising a display screen, an optical reflector and a functional assembly, wherein the optical reflector and the functional assembly are arranged on the side of the display screen , the functional assembly comprises a camera and a sensor assembly, and the optical reflector is arranged between the display screen and the camera;

a light shielding layer is arranged on the side of the display screen facing the optical reflector, an opening is formed in the light shielding layer, the opening and the camera are coaxially arranged, the size of the opening is matched with that of the camera, the camera can acquire outside scenes through the opening through the optical reflector, and the camera and the sensor component share the opening;

the sensor assembly comprises a signal emitter and a signal receiver, wherein the signal emitter and the signal receiver are arranged on the same side of the optical reflector, the signal emitter emits a detection signal, the detection signal is reflected to the opening through the optical reflector and then transmitted to the outside through the opening, the detection signal is reflected by an external object to form a reflection signal, and the reflection signal passes through the opening and is reflected to the signal receiver through the optical reflector.
2. The display screen assembly of claim 1 wherein the optical mirror has a reflection plane facing the sensor assembly and the aperture, the reflection plane for reflecting the detection signal and the reflection signal.
3. The display screen assembly of claim 1, wherein the optical mirror has a reflective concave surface facing the sensor assembly and the aperture, the reflective concave surface configured to reflect the probing signal and the reflected signal, and the reflective concave surface further configured to focus light from the camera to the external scene.
4. The display screen assembly of any one of claims 1-3 and , wherein the optical mirror is a dichroic mirror configured to reflect the detection signal and the reflected signal and to transmit other wavelengths of light, and wherein the camera is configured to capture an external scene through the aperture via the dichroic mirror.
5. The display screen assembly of any one of claims 1-3 and , wherein the signal emitter and the signal receiver are packaged as a th chip, and the signal emitter and the signal receiver are spaced apart to improve isolation between the signal emitter and the signal receiver.
6. The display screen assembly of any of claims 1-3, wherein the sensor assembly further includes an ambient light sensor disposed adjacent to each other with the signal emitter and the signal receiver, the ambient light sensor being configured to detect an ambient light intensity.
7. The display screen assembly of claim 6, wherein the signal emitter, the signal receiver, and the ambient light sensor are packaged as a second chip, and the signal emitter, the signal receiver, and the ambient light sensor are spaced apart from one another to improve isolation between the signal emitter, the signal receiver, and the ambient light sensor.
8. A display screen assembly according to any one of claims 1 to 3 to , wherein the distance between the signal emitter and the signal receiver is from 2 to 14 mm.
9. The display screen assembly of claim 8, wherein the distance between the signal emitter and the signal receiver is a distance between a geometric center of the signal emitter and a geometric center of the signal receiver.
10. A display screen assembly according to any one of claims 1 to 3 to , wherein the aperture has a diameter of from 2 to 4 mm.
An electronic device of claim 11, , comprising a housing and a display screen assembly mounted on the housing, the display screen assembly being as claimed in any one of claims 1 to 10 and .