CN107885278B - Display screen assembly and electronic equipment - Google Patents

Abstract

The embodiment of the application provides a display screen assembly and electronic equipment, wherein the display screen assembly comprises a display screen, a shading layer, a convex lens and a sensor assembly, and the shading layer is arranged on one side of the display screen; the surface of the display screen facing the light shielding layer is provided with a groove, and the convex lens is arranged in the groove; the position of the shading layer corresponding to the groove is provided with an opening, and the sensor assembly is arranged in the opening; the sensor assembly comprises a signal transmitter and a signal receiver, the signal transmitter transmits a detection signal, the detection signal is transmitted to the outside through the convex lens and the display screen, the detection signal is reflected by an external object to form a reflection signal, and the reflection signal passes through the display screen and the convex lens to enter the signal receiver. The scheme can improve the transmittance of the signal transmitted by the signal transmitter, thereby improving the detection accuracy of the sensor assembly.

Description

Display components and electronic equipment

technical field

The present application relates to the technical field of electronic devices, and in particular, to a display screen assembly and an electronic device.

Background technique

With the development of communication technology, electronic devices such as smart phones are becoming more and more popular. During the use of the electronic device, for example, during a call, in order to avoid misoperation of the electronic device by the user, when the user's face approaches the electronic device for a certain distance, the electronic device will automatically turn off the screen.

Generally, an electronic device detects the approaching and reversing of a user's face through a proximity sensor, and controls the electronic device to turn off or brighten the screen according to the detected data.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a display screen assembly and an electronic device, which can improve the detection accuracy of the sensor assembly.

An embodiment of the present application provides a display screen assembly, including a display screen, a light shielding layer, a convex lens, and a sensor assembly, and the light shielding layer is disposed on one side of the display screen;

The surface of the display screen facing the light-shielding layer is provided with a groove, and the convex lens is provided in the groove;

The light shielding layer is provided with an opening corresponding to the position of the groove, and the sensor assembly is arranged in the opening;

The sensor assembly includes a signal transmitter and a signal receiver, the signal transmitter emits a detection signal, the detection signal is transmitted to the outside through the convex lens and the display screen, and the detection signal is reflected by an external object to form a reflection signal , the reflected signal enters the signal receiver through the display screen and the convex lens.

An embodiment of the present application further provides an electronic device, including a casing and a display screen assembly, the display screen assembly is mounted on the casing, and the display screen assembly is the above-mentioned display screen assembly.

In the display screen assembly provided by the embodiments of the present application, since a groove is arranged on the surface of the display screen, and a convex lens is arranged in the groove, under the condition of reducing the penetration thickness of the display screen, the light emitted by the sensor assembly can be processed by the convex lens. Concentrating light can better improve the signal transmittance of the signal transmitter, thereby enhancing the signal strength received by the signal receiver, and improving the detection accuracy of the sensor component, so as to better control the screen-off or screen-on operation of the display screen. .

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a display screen assembly provided by an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a display screen in a display screen assembly provided by an embodiment of the present application.

FIG. 4 is another schematic structural diagram of a display screen assembly provided by an embodiment of the present application.

FIG. 5 is a schematic plan view of a display screen in a display screen assembly provided by an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a convex lens in a display screen assembly provided by an embodiment of the present application.

FIG. 7 is another schematic structural diagram of a convex lens in a display screen assembly provided by an embodiment of the present application.

FIG. 8 is a schematic structural diagram of a sensor assembly in a display screen assembly provided by an embodiment of the present application.

FIG. 9 is another schematic structural diagram of a sensor assembly in a display screen assembly provided by an 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 only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In this application, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the application. Furthermore, this application may repeat reference numerals and/or reference letters in different instances for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Embodiments of the present application provide an electronic device. The electronic device may be a smartphone, a tablet computer, or the like. 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 on the display screen assembly 20 to cover the display screen assembly 20 . The cover plate 10 may be a transparent glass cover plate. In some embodiments, 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 serves as a front case of the electronic device 100 , and forms a closed space with the housing 40 for accommodating other electronic components of the electronic device 100 . Meanwhile, the display screen assembly 20 forms a display surface of the electronic device 100 for displaying images, texts and other information.

The circuit board 30 is installed inside the casing 40 to accommodate the circuit board 30 in the above-mentioned closed space. The circuit board 30 may be the main board of the electronic device 100 . A grounding point is provided on the circuit board 30 to realize the grounding of the circuit board 30 . Functional components such as a camera and a processor may be integrated on the circuit board 30 . Meanwhile, the display screen assembly 20 may be electrically connected to the circuit board 30 .

In some embodiments, a display control circuit is provided on the circuit board 30 . The display control circuit 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 material of the casing 40 can be plastic or metal. The housing 40 may be integrally formed.

Please refer to FIG. 2 , which is a schematic structural diagram of a display screen assembly provided by an embodiment of the present application. The display screen assembly 20 includes a display screen 21 , a convex lens 22 , a sensor assembly 23 and a light shielding layer 24 . The convex lens 22 mainly condenses light. The light shielding layer 24 is disposed on one side of the display screen 21 .

It can be understood that the convex lens 22 , the sensor assembly 23 and the light shielding layer 24 are all arranged inside the display screen 21 . The inner side refers to the side where the display screen 21 is invisible when viewed from the outside of the electronic device 100 . That is, the convex lens 22 , the sensor assembly 23 and the light shielding layer 24 are located inside the electronic device 100 .

The surface of the display screen 21 facing the light shielding layer 24 is provided with a groove 211 . The depth of the groove 211 is equal to the height of the convex lens 22 . The convex lens 22 is arranged in the groove 211 .

In some embodiments, the light shielding layer 24 may be a thin layer structure made of materials such as foam or steel sheet. The light shielding layer 24 is used to hide the internal structure of the electronic device 100 so as to prevent the user from observing the internal electronic components of the electronic device 100 through the display screen 21 .

The light shielding layer 24 is provided with an opening 241 at a position corresponding to the groove 211 , and the opening 241 is coaxial with the groove 211 . That is, the axis of the opening coincides with the axis of the convex lens 22 . At least one end of the sensor assembly 23 is disposed in the opening 241 .

In some embodiments, the opening 241 is a square hole. In some other embodiments, the opening 241 may also be a hole with other shapes such as an oval hole.

The sensor assembly 23 includes a signal transmitter 231 and a signal receiver 232 . Among them, the signal transmitter 231 is used to transmit the detection signal A to the outside. The detection signal A is transmitted to the outside through the convex lens 22 . After the detection signal A touches an external object 200 (eg, a user's face), a reflection signal B is generated. The reflected signal B enters the signal receiver 232 through the convex lens 22 .

After receiving the reflected signal B, the signal receiver 232 can output the received signal to the processor of the electronic device 100 for processing, thereby controlling the display screen of the electronic device 100 to turn off or turn on the screen.

In some embodiments, the signal transmitter 231 is an infrared transmitter for emitting infrared rays. The signal receiver 232 is an infrared receiver for receiving infrared rays.

Wherein, since the convex lens 22 is arranged in the groove of the display screen 21 , the thickness of the screen required for infrared and visible light to penetrate is smaller, and the light penetration rate is higher, thereby enhancing the signal strength of the signal receiver 23 .

Further, a convex lens 22 is arranged between the sensor assembly and the display screen. Since the convex lens 22 can condense the light, the transmittance of the signal transmitted by the signal transmitter 231 can be improved, thereby enhancing the signal received by the signal receiver 232. The signal strength is increased, thereby improving the detection accuracy of the sensor assembly 23, thereby improving the accuracy of the electronic device 100 controlling the display screen to be turned off or turned on.

In some embodiments, the display screen 21 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode (Organic Light-Emitting Diode, OLED) type display screen. When the display screen 21 is a liquid crystal display screen, the display layer 211 may include structures such as a backlight plate, a lower polarizer, an array substrate, a liquid crystal layer, a color filter substrate, and an upper polarizer that are stacked in sequence. When the display screen 21 is an organic light emitting diode display screen, the display layer 211 may include structures such as a base layer, an anode, an organic layer, a conductive layer, an emission layer, and a cathode that are stacked in sequence.

In some embodiments, please refer to FIG. 3 , which is a schematic structural diagram of a display screen in a display screen assembly provided by an embodiment of the present application. The display screen 21 includes a groove 211 and a light-transmitting elastic layer 25, the groove 211 includes a bottom wall 2111, and an adhesive layer is provided on the bottom wall 2111, and the light-transmitting elastic layer 25 can be adhered by the adhesive layer. knot on the bottom wall 2111.

Wherein, when the convex lens 22 abuts on the light-transmitting elastic layer 25 , the light-transmitting elastic layer 25 can play a buffering role to reduce the damage of the convex lens 22 to the display screen 21 .

In some embodiments, please refer to FIG. 4 , which is another schematic structural diagram of a display screen assembly provided by an embodiment of the present application. The display screen assembly 20 includes a display screen 21 , a convex lens 22 , a sensor assembly 23 and a light shielding layer 24 . The convex lens 22 mainly condenses light. The light shielding layer 24 is disposed on one side of the display screen 21 .

The surface of the display screen 21 facing the light shielding layer 24 is provided with a groove 212 . The depth of the groove 212 is greater than the height of the convex lens 22 . The convex lens 22 is arranged in the groove 212 .

The light shielding layer 24 is provided with an opening 241 at a position corresponding to the groove 212 , and the opening 241 is coaxial with the groove 211 . That is, the axis of the opening coincides with the axis of the groove 212 . At least one end of the sensor assembly 23 is disposed in the opening 241 .

A part of the sensor assembly 23 is located in the groove 212 , and the other part is located in the opening 241 . The convex lens 22 and the sensor assembly 23 can be completely disposed in the space formed by the groove 212 of the display screen 21 and the opening of the light shielding layer 24 , and there is no need to provide extra space for the convex lens 22 and the sensor assembly 23 .

The sensor assembly 23 includes a signal transmitter 231 and a signal receiver 232 . Among them, the signal transmitter 231 is used to transmit the detection signal A to the outside. The detection signal A is transmitted to the outside through the convex lens 22 . After the detection signal A touches an external object 200 (eg, a user's face), a reflection signal B is generated. The reflected signal B enters the signal receiver 232 through the convex lens 22 .

After receiving the reflected signal B, the signal receiver 232 can output the received signal to the processor of the electronic device 100 for processing, thereby controlling the display screen of the electronic device 100 to turn off or turn on the screen.

In some embodiments, please refer to FIG. 5 , which is a schematic plan view of a display screen in a display screen assembly provided by an embodiment of the present application. The display screen 21 is a full-screen display screen, that is, the display screen 21 only includes a display area, but does not include a non-display area. The display screen 21 includes a status bar display area 201, and the pixel density of the status bar display area 201 is lower than that of other display areas. The status bar display area 201 is located in the upper right corner of the display screen 21 .

The status bar display area 201 corresponds to displaying status information such as the time of the electronic device, and the pixel requirements are not high, so even if the pixel density of the status bar display area 201 is lower than the pixel density of other display areas, it will not affect the user's use. It should be noted that the above is only an example of the position of the status bar display area 201, and the status bar display area 201 can also be set in the upper left corner, the lower left corner, and the lower right corner, etc., which is not specifically limited here.

The convex lens 22 is arranged in the display screen corresponding to the status bar display area 201. Since the pixel density of the status bar display area 201 is lower than that of other display areas, the emission of the sensor assembly 23 can be better improved. and the penetration rate of the received signal.

In some embodiments, as shown in FIG. 6 , FIG. 6 is a schematic structural diagram of a convex lens in a display screen assembly provided by an embodiment of the present application. The convex lens 22 has a convex surface 221 and a flat surface 222 . Wherein, the convex surface 221 faces the sensor assembly 23 in the display screen assembly 20 . The flat surface 222 faces the bottom wall 2111 of the groove 211 of the display screen 21 in the display screen assembly 20 . The convex lens 22 may be a transparent lens made of light-transmitting material. For example, the convex lens 22 may be a transparent glass lens.

It can be understood that the convex surface 221 of the convex lens 22 faces the sensor assembly 23, so that the convex lens 22 can play a role of concentrating light. The signal emitted by the signal transmitter 231 in the sensor assembly 23 can be more transmitted to the outside world, reducing the diffraction of the signal inside the display screen assembly 20, and the signal reflected from the outside can be fed back to the signal receiver through the condensing light 231 , thereby improving the signal utilization rate and improving the detection accuracy of the sensor assembly 23 .

In some embodiments, as shown in FIG. 7 , FIG. 7 is another schematic structural diagram of a convex lens in a display screen assembly provided by an embodiment of the present application. The convex lens 22 has a first convex surface 221 and a second convex surface 223 . That is, the convex lens 22 is an elliptical lens. Both surfaces of the convex lens 22 are convex. The first convex surface 221 faces the sensor assembly 23 in the display screen assembly 20 . The second convex surface 223 faces the bottom wall 2111 of the groove 211 of the display screen 21 in the display screen assembly 20 .

It can be understood that when both sides of the convex lens 22 are convex, compared with one side of the convex lens 22 being convex and the other side being flat, the light-converging effect of the convex lens 22 can be improved, and the diffraction of the signal inside the display screen assembly 20 can be further reduced. , so that more signals are emitted to the outside world, thereby further improving the utilization rate of signals and improving the detection accuracy of the sensor assembly 23 .

In some embodiments, as shown in FIG. 8 , FIG. 8 is a schematic structural diagram of a sensor assembly in a display screen assembly provided by an embodiment of the present application. The sensor assembly 23 includes a signal transmitter 231 and a signal receiver 232 . Wherein, the signal transmitter 231 and the signal receiver 232 are arranged adjacent to each other. In one embodiment, the distance d1 between the geometric center of the signal transmitter 231 and the geometric center of the signal receiver 232 is 2 to 14 mm.

In some embodiments, the signal transmitter 231 and the signal receiver 232 are packaged into the first chip 24 . Disposing the signal transmitter 231 and the signal receiver 232 adjacent to each other can reduce the volume of the first chip 24 .

In some embodiments, as shown in FIG. 9 , FIG. 9 is another schematic structural diagram of a sensor assembly in a display screen assembly provided by an embodiment of the present application. The sensor assembly 23 includes a signal transmitter 231 , a signal receiver 232 and an ambient light sensor 233 . The ambient light sensor 233 is used to detect ambient light intensity. The electronic device 100 may adjust the brightness of the display screen 21 according to the ambient light intensity detected by the ambient light sensor 233 .

The signal transmitter 231, the signal receiver 232, and the ambient light sensor 233 are disposed adjacent to each other. The distance d3 between the geometric center of the signal transmitter 231 and the geometric center of the signal receiver 232 is 2 to 14 mm.

In some embodiments, the signal transmitter 231 , the signal receiver 232 , and the ambient light sensor 233 are packaged into the second chip 25 .

Wherein, the signal transmitter 231 , the signal receiver 232 and the ambient light sensor 233 are arranged adjacent to each other to reduce the volume of the second chip 25 .

The display screen components and electronic devices provided by the embodiments of the present application are described in detail above, and the principles and implementations of the present application are described with specific examples. The descriptions of the above embodiments are only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific embodiments and application scope. To sum up, the content of this specification should not be construed as a limitation to the present application.

Claims (9)

1. A display screen assembly is characterized by comprising a display screen, a shading layer, a convex lens and a sensor assembly, wherein the shading layer is arranged on one side of the display screen;

the surface of the display screen facing the light shielding layer is provided with a groove, the convex lens is arranged in the groove, the groove comprises a bottom wall, the convex lens is provided with a plane, the plane is arranged facing the bottom wall, the surface of the bottom wall is provided with a light-transmitting elastic layer, and the plane abuts against the light-transmitting elastic layer;

the position of the shading layer corresponding to the groove is provided with an opening, and the sensor assembly is arranged in the opening;

the sensor assembly comprises a signal transmitter and a signal receiver, the signal transmitter transmits a detection signal, the detection signal penetrates through the convex lens and the display screen to be transmitted to the outside, the detection signal is reflected by an external object to form a reflection signal, and the reflection signal penetrates through the display screen and the convex lens to enter the signal receiver.

2. The display screen assembly of claim 1, wherein the convex lens has a convex surface, the convex surface of the convex lens being disposed toward the light shield layer side.

3. A display screen assembly according to claim 2, wherein the depth of the groove is equal to the height of the convex lens.

4. A display screen assembly according to any of claims 1 to 3, wherein the recess is in communication with the aperture, at least one end of the sensor assembly being disposed in the aperture.

5. The display screen assembly of claim 1, wherein the depth of the groove is greater than the height of the convex lens.

6. The display screen assembly of claim 5, wherein a portion of the sensor assembly is positioned in the recess and another portion is positioned in the aperture.

7. The display screen assembly of claim 6, wherein an orthographic projection of the convex lens in the direction of the sensor assembly completely covers the sensor assembly.

8. The display screen assembly of claim 1, wherein the sensor assembly further comprises an ambient light sensor configured to detect an intensity of ambient light, the ambient light sensor being spaced apart from the sensor assembly and the ambient light sensor being disposed toward the convex lens.

9. An electronic device 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 8.

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