WO2021185321A1 - Electronic device and optical assembly - Google Patents

Abstract

Disclosed are an electronic device (1) and an optical assembly (20). The electronic device (1) comprises a display screen (10) and the optical assembly (20), wherein the display screen (10) is provided with a light-transmitting channel (16), the light-transmitting channel (16) is internally provided with a blind hole (18), and the optical assembly (20) is arranged directly facing the blind hole (18); and the optical assembly (20) comprises a control panel (21), a light-emitting apparatus (22) and an optical sensor (23), with the optical sensor (23) and the light-emitting apparatus (22) being arranged on the control panel (21), and the optical sensor (23) and the light-emitting apparatus (22) facing the interior of the light-transmitting channel (16) of the display screen (10). The optical sensor (23) is used for sensing light incident from the light-transmitting channel (16). When the control panel (21) controls the optical sensor (23) to work, the light-emitting apparatus (22) is turned off; and when the optical sensor (23) does not work, the light-emitting apparatus (22) is turned on to emit light so that the display screen (10) of the electronic device (1) at the position of the blind hole (18) can provide backlight display by means of the light-emitting apparatus (22), such that the electronic device (1) realizes a full screen.

Description

Electronic equipment and optical components

Cross-references to related applications

This application claims the priority of the Chinese patent application with the application number 202010192976.9 and the name "Electronic Equipment" filed on March 18, 2020. The entire content of the Chinese patent application is incorporated herein by reference.

Technical field

The present disclosure relates to an electronic device and an optical assembly.

Background technique

In order to increase the screen-to-body ratio of mobile phones, blind hole screens are a form of screen.

Currently, liquid crystal display glass is usually used to open the blind hole, and the backlight module is also provided with a blind hole. The blind hole is correspondingly provided with a camera assembly, and the camera is hidden under the blind hole. Since the corresponding light guide film material under the blind hole position is dug out, there is no backlight display at the blind hole position, and the blind hole area cannot be displayed, resulting in incomplete display of the display screen at the blind hole position.

Summary of the invention

The purpose of the present disclosure is to provide an electronic device that can provide backlight for the blind hole of the display screen and solve the problem of no backlight for the blind hole, so that the display screen can also display normally at the blind hole.

According to a first aspect of the present disclosure, there is provided an electronic device, including:

The display screen is provided with a light-transmitting channel, and a blind hole is opened in the light-transmitting channel;

The optical component is arranged facing the blind hole, and the optical component includes a control board, a light-emitting device and an optical sensor. The optical sensor and the light-emitting device are arranged on the control board, and the optical sensor and the The light-emitting device faces into the light-transmitting channel of the display screen, the optical sensor is used to sense light incident from the light-transmitting channel, and when the control board controls the operation of the optical sensor, the light-emitting device is turned off, so When the optical sensor is not working, the light emitting device is turned on to emit light.

According to a second aspect of the present disclosure, there is provided an optical assembly, including:

Light emitting device, used to generate illuminating light;

Optical sensor for receiving incident light;

The control board is electrically connected to the light-emitting device and the optical sensor, and is used to control the light-emitting device to turn off when the optical sensor is working, and to control the light-emitting device to turn on light when the optical sensor is not working ；

Wherein, the light emitting device and the optical sensor are arranged on the control board.

Description of the drawings

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

2 is a schematic cross-sectional view of the electronic device shown in FIG. 1;

3 is a schematic cross-sectional view of the display module shown in FIG. 2;

4 is a schematic diagram of the structure of the optical component shown in FIG. 2;

FIG. 5 is a schematic diagram of the electrical module of the electronic device shown in FIG. 2.

The reference signs are explained as follows:

1. Electronic equipment; 10, display screen; 11, display area; 12, secondary display area; 13, cover plate; 14, display module; 141, substrate; 142, polarizer; 143, hollow part; 15, backlight mold Group; 16. Light-transmitting channel; 17, through hole; 18, blind hole; 19, display drive chip; 20, optical component; 21, control board; 22, light-emitting device; 23, optical sensor.

Detailed ways

Although the present disclosure can be easily expressed in different forms of implementations, only some of the specific implementations are shown in the drawings and described in detail in this specification. At the same time, it is understood that this specification should be regarded as the present specification. An exemplary description of the principles of the disclosure is not intended to limit the present disclosure to what is described herein.

Therefore, a feature pointed out in this specification will be used to describe one of the features of an embodiment of the present disclosure, instead of implying that each embodiment of the present disclosure must have the described feature. In addition, it should be noted that this specification describes many features. Although certain features can be combined together to illustrate possible system designs, these features can also be used in other unspecified combinations. Thus, unless otherwise stated, the illustrated combinations are not intended to be limiting.

In the embodiment shown in the drawings, the direction indications (such as up, down, left, right, front and back) are used to explain the structure and movement of various elements of the present disclosure not absolute but relative. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, the directions of these directions also change accordingly.

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms, and should not be construed as being limited to the examples set forth herein; on the contrary, these example embodiments are provided so that the description of the present disclosure will be more comprehensive and complete, and the concept of the example embodiments Comprehensively communicate to those skilled in the art. The drawings are only schematic illustrations of the present disclosure, and are not necessarily drawn to scale. The same reference numerals in the figures denote the same or similar parts, and thus their repeated description will be omitted.

Hereinafter, the preferred embodiments of the present disclosure will be further described in detail in conjunction with the accompanying drawings in this specification.

Please refer to FIG. 1, this embodiment provides an electronic device. The electronic device can be a mobile phone, a computer screen, an IPAD, a phone watch, and other electronic devices. The specific form of the electronic device is not limited here. FIG. 1 is a structural diagram of the electronic device 1. Specifically, in this application, the electronic device 1 is described by taking a mobile phone as an example.

Please also refer to FIG. 2. Specifically, in this embodiment, the electronic device 1 may include a display screen 10 and an optical component 20. The optical component 20 is installed on the display screen 10, and the optical component 20 can realize functions such as shooting function, touch operation, and intelligent recognition. According to the usage requirements of different optical components 20, the optical components 20 can be installed in corresponding positions of the display screen 10.

It can be understood that the optical component may be a camera component, an optical fingerprint sensor, an ambient light sensor, an infrared light sensor, and so on. Specifically, in this embodiment, the optical assembly 20 is described by taking a camera assembly as an example, and the optical assembly 20 is provided at the edge position of the display screen 10.

Please refer to FIG. 1 again, the display screen 10 is used to display images. The display screen 10 may include a display area 11 and a secondary display area 12. The display area 11 may be the main area of the display screen 10. A light transmission channel for light transmission is provided in the secondary display area 12. The light-transmitting channel allows light to pass through. The optical component 20 is arranged directly opposite the light-transmitting channel and placed under the light-transmitting channel to transmit light through the light-transmitting channel. The optical component 20 can receive or emit light through the light-transmitting channel, so as to realize the corresponding function of the optical component 20.

Specifically, in this embodiment, the secondary display area 12 may be located at the top corner of the display screen 10. Then the optical assembly 20 is correspondingly installed at the top corner of the display screen 10. It can be understood that the secondary display area 12 may also be correspondingly located at the top edge of the display screen 10.

It can be understood that the electronic device 1 may include one or more optical components 20. The display screen 10 may also include one or more secondary display areas 12. The multiple optical components 20 respectively correspond to the multiple secondary display areas 12 to realize the optical performance of each optical component 20 respectively. In addition, the secondary display area 12 may not only be provided with one optical component 20, but a plurality of optical components 20 may share the primary display area 12. It can be understood that the shape of the secondary display area 12 may be square, circular, oval, etc., and the shape of the secondary display area 12 is not limited here.

Please refer to FIG. 2. Specifically, in this embodiment, the electronic device 1 further includes a cover 13. The cover 13 is located on the outermost side of the electronic device 1. The cover 13 is located on the front of the display screen 10. The cover 13 can be touched with a finger. The cover 13 is a transparent cover and can transmit light. The cover plate 13 may be a glass cover plate, a resin cover plate, or the like.

Specifically, in this embodiment, the display screen 10 may be a liquid crystal display screen. Wherein, the display screen 10 may include a display module 14 and a backlight module 15. The cover 13, the display module 14 and the backlight module 15 are stacked in sequence from the outer side of the electronic device 1 toward the inner side. For the convenience of description, it is stipulated that the direction from the cover plate 13 to the backlight module 15 is from top to bottom, that is, the cover plate 13 is located above the display module 14 and the backlight module 15 is located below the display module 14. .

The display module 14 is arranged on one side of the cover 13. The light enters the light transmission channel 16 through the cover 13. The shape of the light transmission channel 16 is adapted to the shape of the secondary display area 12. It can be understood that the cross-section of the light-transmitting channel 16 may be square, circular, elliptical, or the like.

Please refer to FIG. 3. Specifically, in this embodiment, the display module 14 includes a substrate 141 and a polarizer 142. The light transmission channel 16 of the display module 14 can transmit light at a position corresponding to the secondary display area 12. The light can pass through the substrate 141 and the polarizer 142 located in the light transmission channel 16.

The polarizer 142 may be provided with a hollow part 143. The hollow portion 143 can prevent the polarizer 142 from changing the polarization state of the light incident into the light transmission channel, and avoid affecting the optical performance of the optical component 20. The shape of the hollow portion 143 matches the projection of the light transmission channel on the polarizer 142 to ensure that all light passing through the light transmission channel can pass through the hollow portion 143. The cross-sectional shape of the hollow portion 143 may be circular. In other embodiments, the cross section of the hollow portion 143 may also be square, oval, etc., and the shape of the hollow portion 143 is not limited here.

Specifically, the hollow portion 143 may be an opening. Light can directly transmit through the hollow part 143. In other embodiments, the hollow portion 143 may also be another depolarization structure. For example, a depolarizing film layer or the like may be pasted on the polarizer 142.

Please refer to FIG. 2 again, the backlight module 15 is arranged on one side of the display module 14. The backlight module 15 is provided with a through hole 17 at the projection of the backlight module 15 in the light transmission channel 16. The through hole 17 and the display module 14 form a blind hole 18 of the display screen 10. The optical assembly 20 is arranged directly opposite to the through hole 17. The light enters the light transmission channel 16 of the display module 14 through the cover plate 13, and enters the through hole 17 through the light transmission channel 16 to provide incident light for the optical component 20 located under the through hole 17. The shape of the through hole 17 can be adapted to the shape of the optical component 20 to facilitate the installation of the optical component 20. It can be understood that the cross-sectional shape of the through hole 17 may be square, circular, oval, or the like.

The optical component 20 is directly opposite to the through hole 17 and is disposed below the through hole 17. Please refer to FIG. 4, the optical assembly 20 includes a control board 21, a light emitting device 22 and an optical sensor 23. The optical sensor 23 and the light emitting device 22 are both arranged on the control board 21. Then the optical sensor 23 and the light emitting device 22 are connected to the control board 21 by electrical signals.

The control board 21 is arranged corresponding to the blind hole 18 and is arranged directly opposite to the through hole 17. The shape of the control board 21 is adapted to the shape of the through hole 17, so as to ensure that the optical sensor 23 and the light emitting device 22 on the control board 21 can maximize the area of the through hole, further ensure the photosensitive performance of the optical sensor 23, and try to The light-emitting area of the light-emitting device 22 is increased. The control board 21 may be a circuit board.

It can be understood that the area of the control board 21 may be larger than the area of the through hole 17 to ensure that the optical sensor 23 and the light emitting device 22 on the control board 21 can be effectively used.

The optical sensor 23 and the light emitting device 22 face the light transmission channel 16 of the display screen 10. The optical sensor 23 is used for sensing the light incident from the light transmission channel 16. The position of the optical sensor 23 will not affect its normal operation. The light-emitting device 22 is used to generate light, and the light can also spread the illuminating light outward through the light-transmitting channel 16.

When the control board 21 controls the optical sensor 23 to turn on and work, the light-emitting device 22 is turned off; when the optical sensor 23 is not working, the light-emitting device 22 turns on and emits light.

When the optical sensor 23 is working, it is ensured that the optical performance of the optical assembly 20 can be realized. When the optical assembly 20 does not need to work, that is, when the optical sensor 23 does not need to work, the light-emitting device 22 is turned on to emit light, so that the light-emitting device 22 can provide backlight to the display screen 10 at the position of the blind hole 18, so that the display mode here The group 14 can be displayed to ensure that the display pattern of the display screen 10 at the position of the blind hole 18 is complete.

Specifically, in this embodiment, the optical component 20 is a camera component. Then the optical sensor 23 is a camera viewfinder sensor. When the camera component needs to work, the camera viewfinder sensor is turned on to perform shooting and framing of the outside world to ensure the normal shooting function of the camera component. It can be understood that the optical sensor 23 may also be an infrared sensor or the like.

When the electronic device 1 does not need to use the shooting function, the control board 21 controls the light-emitting device 22 to turn on to provide a backlight for the display screen, so that the display screen can also display images at the position of the blind hole 18. It can be understood that the light-emitting device 22 may be an LED lamp, a light-emitting chip, a pixel, or the like.

Specifically, in this embodiment, the light emitting device 22 and the optical sensor 23 are evenly distributed on the control board 21. Specifically, the light-emitting devices 22 are distributed in a ring shape, the optical sensors 23 are also distributed in a ring shape, and the rings of the light-emitting devices 22 and the optical sensors 23 are alternately arranged. The light-emitting device 22 ring and the optical sensor 23 ring can facilitate the installation operation of the light-emitting device 22 and the optical sensor 23. Specifically, in this embodiment, the shape of the ring of the light emitting device 22 and the ring of the optical sensor 23 is adapted to the shape of the control board 21, and the ring of the light emitting device 22 and the ring of the optical sensor 23 are rectangular rings.

The ring of the light emitting device 22 and the ring of the optical sensor 23 may be arranged at equal intervals. Then the light emitting device 22 and the optical sensor 23 can be evenly distributed on the control board 21.

In other embodiments, the light emitting device 22 and the optical sensor 23 may also be alternately arranged at intervals. The location and manner of the light-emitting device 22 and the optical sensor 23 are not limited here. As long as the light-emitting device 22 and the optical sensor 23 can be evenly distributed on the surface of the control board 21, the light-emitting device 22 can control the position of the blind hole 18. The display screen provides a backlight with uniform light intensity, and the optical sensor 23 can uniformly collect the incident light from the viewfinder, so as to ensure the normal use function of the optical device 20.

Moreover, the distribution area of the optical sensor 23 is larger than the distribution area of the light emitting device 22. The optical sensor 23 occupies a relatively large area, which can ensure the optical function of the optical sensor 23 and ensure that the optical assembly 20 can work normally. Therefore, under the premise that the optical assembly 20 can work normally, the light-emitting device 22 emits light to realize the display at the position of the blind hole 18, so that the electronic device can achieve a full-screen display effect.

Please refer to FIG. 5. Specifically, in this embodiment, the display screen 10 may further include a display driving chip 19. The display driving chip 19 is electrically connected to the control board 21, and the display driving chip 19 provides power for the control board 21. While the display driving chip 19 drives the display screen to display images, the control board 21 can be powered to be turned on, and the control board 21 can control whether the light-emitting device 22 emits light according to the use state of the optical component.

In addition, the display driving chip 19 is electrically connected to the control board 21. The display driving chip 19 controls the light intensity of the display, and the control board 21 also controls the light intensity of the light-emitting device 22 according to the light intensity controlled by the display driving chip 19 to ensure uniform light intensity throughout the display and avoid blindness. The light intensity displayed at the hole 18 is too strong or too weak.

Therefore, in the display screen of the above-mentioned electronic equipment, the control board 21 is arranged at the position of the blind hole 18, and the light emitting device 22 and the optical sensor 23 are both arranged on the control board 21. The optical sensor 23 can realize the function of an optical component. When the optical assembly does not need to work, the light-emitting device 22 on the control board 21 can provide backlight to the display screen at the position of the blind hole 18, so that the display screen at the position of the blind hole 18 will not be affected by the opening of the blind hole 18. As a result, it cannot be displayed, so that the electronic device realizes a full screen.

For the display screen of the above electronic equipment, a control board is arranged at the position of the blind hole, and the light emitting device and the optical sensor are both arranged on the control board. The optical sensor can realize the function of the optical component. When the optical component does not need to work, the light-emitting device on the control board can provide backlight to the display screen at the blind hole position, so that the display screen at the blind hole position will not be unable to display due to the blind hole opening. The electronic device realizes a full screen, so that the displayed image is complete.

Although the present disclosure has been described with reference to a few typical embodiments, it should be understood that the terms used are illustrative and exemplary rather than restrictive. Since the present disclosure can be implemented in various forms without departing from the spirit or essence of the invention, it should be understood that the above-mentioned embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all changes and modifications falling within the scope of the claims or their equivalents shall be covered by the appended claims.

Claims (20)

An electronic device including: The display screen is provided with a light-transmitting channel, and a blind hole is opened in the light-transmitting channel; The optical component is arranged facing the blind hole. The optical component includes a control board, a light emitting device and an optical sensor. The optical sensor and the light emitting device are arranged on the control board, and the optical sensor and the The light-emitting device faces into the light-transmitting channel of the display screen, the optical sensor is used to sense light incident from the light-transmitting channel, and the control board controls the operation of the optical sensor, and the light-emitting device is turned off. When the optical sensor is not working, the light emitting device is turned on to emit light. The electronic device according to claim 1, wherein the display screen comprises a display module and a backlight module, the backlight module is arranged on one side of the display module, and the backlight module is located on the transparent The light channel is provided with a through hole at the projection position of the backlight module. 3. The electronic device according to claim 2, wherein the display module comprises a substrate and a polarizer, the polarizer is provided with a hollow part, and the hollow part is located in the light transmission channel. The electronic device according to claim 1, wherein the light emitting device and the optical sensor are evenly distributed on the control board. 4. The electronic device according to claim 4, wherein the light emitting devices are distributed in a ring shape, the optical sensors are also distributed in a ring shape, and the light emitting device ring and the optical sensor ring are alternately arranged. The electronic device according to claim 5, wherein the light emitting device ring and the optical sensor ring are arranged at equal intervals. The electronic device according to claim 1, wherein the display screen comprises a display area and at least one secondary display area. 8. The electronic device according to claim 7, wherein the light-transmitting channel is provided in the secondary display area. 8. The electronic device according to claim 8, wherein the shape of the secondary display area is adapted to the shape of the light transmission channel. The electronic device according to claim 9, wherein the shape of the secondary display area includes one or a combination of a square shape, a circular shape, and an oval shape. The electronic device according to claim 1, wherein the light-emitting device is an LED lamp. The electronic device according to claim 1, wherein the optical component is a camera component, and the optical sensor is a camera viewfinder sensor. The electronic device according to claim 1, wherein the optical component is an under-screen fingerprint recognition component, and the optical sensor is an optical fingerprint sensor. The electronic device according to claim 1, wherein the distribution area of the optical sensor is larger than the distribution area of the light emitting device. The electronic device according to any one of claims 1-14, wherein the display screen further comprises a display drive chip, and the display drive chip is electrically signaled to the control board. 14. The electronic device according to any one of claims 1-14, wherein the electronic device further comprises a cover plate, the cover plate being arranged on a side of the display screen away from the optical component. The electronic device according to claim 16, wherein the cover plate is a transparent cover plate, and the transparent cover plate comprises a glass cover plate or a resin cover plate. An optical component including: Light emitting device, used to generate illuminating light; Optical sensor for receiving incident light; The control board is electrically connected to the light-emitting device and the optical sensor, and is used to control the light-emitting device to turn off when the optical sensor is working, and to control the light-emitting device to turn on light when the optical sensor is not working ； Wherein, the light emitting device and the optical sensor are arranged on the control board. The optical assembly according to claim 18, wherein the light emitting device and the optical sensor are evenly distributed on the same side of the control board. 18. The optical assembly of claim 19, wherein the light emitting devices are distributed in a ring shape, the optical sensors are also distributed in a ring shape, and the light emitting device ring and the optical sensor ring are arranged at equal intervals.

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