CN219284487U - Light sensing device and electronic equipment - Google Patents
Light sensing device and electronic equipment Download PDFInfo
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- CN219284487U CN219284487U CN202320520571.2U CN202320520571U CN219284487U CN 219284487 U CN219284487 U CN 219284487U CN 202320520571 U CN202320520571 U CN 202320520571U CN 219284487 U CN219284487 U CN 219284487U
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Abstract
The application provides a light sensation device and electronic equipment, belongs to electronic equipment technical field, and light sensation device includes: a cover plate; the main board is arranged at intervals with the cover plate; the light sensing plate is arranged on one side of the main board, close to the cover plate, and is used for sensing the intensity of ambient light; and the polaroid is arranged between the cover plate and the light sensing plate. Through the technical scheme of this application, can solve the light sense and apart from the problem that the response is saturated under strong sunshine, also can normally lighten the screen and look over screen content when the conversation.
Description
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to a light sensing device and electronic equipment.
Background
At present, the distance sensing of a mobile phone is achieved by an ultrasonic mode and an optical mode, and the light sensing distance sensor scheme is mostly used because of poor performance of an ultrasonic scheme. According to the existing design scheme, the light sensing distance sensor directly receives infrared components in light, and the distance sensing is saturated by the infrared components of sunlight under strong sunlight, so that the condition that a mobile phone is turned off when a call is made under the sunlight is caused.
Disclosure of Invention
Embodiments according to the present application aim to at least ameliorate one of the technical problems in the prior art or the related art.
In view of this, it is an object of embodiments according to the present application to provide a light sensing device.
It is another object of embodiments according to the present application to provide an electronic device.
In order to achieve the above object, according to a first aspect of the present application, there is provided a light sensing device, including: a cover plate; the main board is arranged at intervals with the cover plate; the light sensing plate is arranged on one side of the main board, close to the cover plate, and is used for sensing the intensity of ambient light; and a polarizing plate disposed between the polarizing plate and the light-sensitive plate.
The light sensing device comprises a cover plate, a main plate, a light sensing plate and a polaroid. Wherein, mainboard and apron interval setting. The light sensing plate is arranged on one side of the main board, close to the cover plate, and is used for sensing the intensity of ambient light, so that the brightness of the screen of the electronic equipment is adjusted according to the intensity of the ambient light. The polaroid is arranged on one side of the cover plate close to the light sensing plate. Through increasing the polaroid under the apron, can keep apart most sunshine infrared component, solve the light sense and apart from the problem that the response is saturated under strong sunshine, also can normally lighten the screen and look over screen content when talking.
In addition, the technical scheme provided by the application can also have the following additional technical characteristics:
in the above technical scheme, be equipped with transmitting end and receiving terminal on the light sense board, transmitting end and receiving terminal interval set up, and the transmitting end is used for sending infrared light, and the receiving terminal is used for receiving infrared light and sunshine infrared component.
In the technical scheme, the light sensing plate is provided with the transmitting end and the receiving end, the transmitting end and the receiving end are arranged at intervals, the transmitting end is used for transmitting infrared light, and the receiving end is used for receiving infrared light and sunlight infrared components, so that the brightness of the screen of the electronic equipment is adjusted.
In the above technical solution, the polarizer is disposed opposite to the transmitting end and the receiving end.
In the technical scheme, the polaroid is arranged opposite to the transmitting end and the receiving end, so that infrared light transmitted by the transmitting end can pass through the polaroid, the receiving end can only receive light in the polarization direction, and the same polaroid can ensure that the polarization directions of the transmitting end and the receiving end are consistent.
In the above technical solution, the polarizer is a unidirectional polarizer.
In this embodiment, the polarizing plate is a unidirectional polarizing plate. The unidirectional polaroid can enable infrared light emitted by the emitting end to pass through the polaroid and the glass cover plate and then effectively emit infrared light in a single polarization direction, the receiving end can only receive light in the single polarization direction, the same polaroid is used, the emitted polarization direction is consistent with the received polarization direction, and most sunlight infrared components are isolated.
In the above technical scheme, the emitting end comprises an infrared LED.
In the technical scheme, the transmitting end comprises an infrared LED, and distance detection can be carried out through the infrared LED, so that the close distance between the electronic equipment and a human body is detected.
In the above technical solution, the receiving end includes a distance sensor.
In this solution, the receiving end comprises a distance sensor. The distance sensor can sense the distance between the mobile phone and the human body. The specific application is that the distance sensor is opened in the conversation process, and when the mobile phone screen is close to the face of the user, the distance between the mobile phone and the human body can be automatically sensed. When the touch event is smaller than a certain value, the screen is extinguished, and the user touch screen event is not received any more, so that the occurrence of the false touch event in the conversation process is effectively prevented.
In the above technical scheme, the receiving end is further used for collecting calibration values according to the sunlight infrared components and setting a judgment threshold according to the calibration values.
In the technical scheme, the receiving end is used for receiving the sunlight infrared component, collecting the calibration value according to the sunlight infrared component and setting the judgment threshold according to the calibration value. The calibration value is a distance sensing value.
In the above technical scheme, the cover plate comprises a glass cover plate.
In this technical solution, the cover plate comprises a glass cover plate, which is capable of passing light and protecting the screen.
In the technical scheme, the infrared light emitted by the emitting end becomes light with a single polarization direction through the polaroid, and the receiving end receives the light with the single polarization direction.
In the technical scheme, infrared light emitted by the emitting end is effectively emitted into light with a single polarization direction after passing through the polaroid, the receiving end can only receive the light with the single polarization direction, the same polaroid is used, the emitted polarization direction is consistent with the received polarization direction, most sunlight infrared components are isolated, only the distance sensing value is required to be calibrated under sunlight, and the judgment threshold is set according to the calibration value under sunlight.
According to a second aspect of the present application, there is provided an electronic device, including: the light-sensitive device according to any one of the first aspects of the present application.
The electronic device provided by the technical scheme of the application includes the light sensing device according to any one of the technical schemes of the first aspect of the application, so that the electronic device has all the beneficial effects of the light sensing device according to any one of the technical schemes of the first aspect of the application, and the details are not repeated here.
Additional aspects and advantages of embodiments according to the present application will become apparent in the description that follows or may be learned by practice of embodiments according to the present application.
Drawings
Fig. 1 is a schematic front view of a light sensing device according to an embodiment of the present application.
The correspondence between the reference numerals and the component names in fig. 1 is:
10: a light sensing device; 110: a cover plate; 120: a main board; 130: a light sensing plate; 132: a transmitting end; 134: a receiving end; 140: a polarizing plate.
Detailed Description
In order that the above-recited objects, features and advantages of embodiments according to the present application may be more clearly understood, a further detailed description of embodiments according to the present application will be rendered by reference to the appended drawings and detailed description. It should be noted that, without conflict, features according to embodiments of the present application may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments according to the present application, however, embodiments according to the present application may be practiced otherwise than as described herein, and thus the scope of protection afforded by embodiments according to the present application is not limited by the specific embodiments disclosed below.
Some embodiments provided according to the present application are described below with reference to fig. 1.
As shown in fig. 1, a light sensing device 10 according to an embodiment of the present application includes a cover plate 110, a main plate 120, a light sensing plate 130, and a polarizer 140. Specifically, the main board 120 is disposed at a distance from the cover plate 110. The light sensing plate 130 is disposed on a side of the main board 120 near the cover plate 110, and the light sensing plate 130 is used for sensing intensity of ambient light. The polarizing plate 140 is disposed between the cover plate 110 and the light sensing plate 130.
The light sensing device 10 provided according to the present embodiment includes a cover plate 110, a main plate 120, a light sensing plate 130, and a polarizer 140. Wherein, the main board 120 is spaced from the cover board 110. The light sensing plate 130 is disposed on a side of the main board 120 near the cover plate 110, and is used for sensing intensity of ambient light, so as to adjust brightness of the screen of the electronic device according to the intensity of the ambient light. The polarizing plate 140 is disposed on a side of the cover plate 110 adjacent to the light-sensing plate 130. By adding the polarizer 140 under the cover plate 110, most of sunlight infrared components can be isolated, the problem that the light sense is saturated in distance sensing under strong sunlight is solved, and the screen can be normally lightened to view the screen content during communication.
Further, the light sensing plate 130 is provided with a transmitting end 132 and a receiving end 134, the transmitting end 132 and the receiving end 134 are arranged at intervals, the transmitting end 132 is used for emitting infrared light, and the receiving end 134 is used for receiving infrared light and sunlight infrared components, so that the brightness of the screen of the electronic device is adjusted.
Further, the polarizer 140 is disposed opposite to the transmitting end 132 and the receiving end 134, so that the infrared light emitted from the transmitting end 132 can pass through the polarizer 140, and the receiving end 134 can only receive light with a polarization direction, so that the same polarizer 140 can ensure that the polarization directions of the transmitting and receiving are consistent.
In the above embodiment, the polarizing plate 140 is a unidirectional polarizing plate. The unidirectional polarizer can make the infrared light emitted by the emitting end 132 pass through the polarizer 140 and the glass cover plate and then effectively emit infrared light in a single polarization direction, while the receiving end 134 can only receive light in a single polarization direction, so that the same polarizer 140 can ensure that the polarization directions of the emitted and received infrared light are consistent, and most of sunlight infrared components are isolated.
In some embodiments, the emitting end 132 includes an infrared LED through which distance detection can be performed to detect the proximity of the electronic device to the human body.
In some embodiments, the receiving end 134 includes a distance sensor. The distance sensor can sense the distance between the mobile phone and the human body. The specific application is that the distance sensor is opened in the conversation process, and when the mobile phone screen is close to the face of the user, the distance between the mobile phone and the human body can be automatically sensed. When the touch event is smaller than a certain value, the screen is extinguished, and the user touch screen event is not received any more, so that the occurrence of the false touch event in the conversation process is effectively prevented.
Further, the receiving end 134 is configured to receive the solar infrared component, collect a calibration value according to the solar infrared component, and set a decision threshold according to the calibration value. The calibration value is a distance sensing value.
In some embodiments, the cover plate 110 comprises a glass cover plate that is capable of passing light and protecting the screen.
In the above embodiment, the infrared light emitted by the emitting end 132 is light with a single polarization direction after passing through the polarizer 140 and the glass cover plate, and the receiving end 134 can only receive light with a single polarization direction, so that the same polarizer 140 is used to ensure that the polarization directions of the emitted light and the received light are consistent, isolate most sunlight infrared components, only need to calibrate the distance sensing value in sunlight, and set the determination threshold according to the calibration value in sunlight.
An electronic device according to an embodiment of the present application includes the light sensing apparatus 10 according to any of the above embodiments.
The electronic device provided according to the embodiments of the present application includes the light sensing device 10 according to any of the embodiments, so that the electronic device has all the advantages of the light sensing device 10 according to any of the embodiments, which are not described herein.
As shown in fig. 1, according to the light sensing device 10 of the embodiment provided in the present application, by adding a unidirectional polarizer under the glass cover plate, the polarizer 140 can make the infrared light emitted by the emitting end 132 pass through the polarizer 140 and the glass cover plate and then effectively emit infrared light with a single polarization direction, and the receiving end 134 can only receive light with a single polarization direction, so that the same polarizer 140 is used to ensure that the polarization directions of the emitted light and the received light are consistent, and isolate most of sunlight infrared components, and only the Psensor value needs to be calibrated in sunlight, and the decision threshold is set according to the calibration value in sunlight.
In summary, the beneficial effects of the embodiment of the application are: the problem that the light sense is saturated in distance sensing under strong sunlight can be solved, and the screen can be normally lightened to view the screen content during communication.
In embodiments according to the present application, the terms "first," "second," "third," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments according to the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the embodiments according to the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments according to the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments according to the present application.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example according to the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely a preferred embodiment according to the present application and is not intended to limit the embodiment according to the present application, and various modifications and variations may be made to the embodiment according to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, or the like made within the spirit and principles of the embodiments according to the present application should be included in the protection scope of the embodiments according to the present application.
Claims (10)
1. A light sensing apparatus, comprising:
a cover plate;
the main board is arranged at intervals with the cover plate;
the light sensing plate is arranged on one side of the main board, which is close to the cover plate, and is used for sensing the intensity of ambient light;
and the polaroid is arranged between the cover plate and the light sensing plate.
2. A light sensation device according to claim 1, wherein,
the light sensing plate is provided with a transmitting end and a receiving end, the transmitting end and the receiving end are arranged at intervals, the transmitting end is used for transmitting infrared light, and the receiving end is used for receiving infrared light and sunlight infrared components.
3. A light-sensing apparatus according to claim 2, wherein,
the polarizer is disposed opposite the transmitting end and the receiving end.
4. A light-sensing apparatus according to claim 3, wherein,
the polaroid is a unidirectional polaroid.
5. A light-sensing device according to any one of claims 2 to 4,
the emitting end comprises an infrared LED.
6. A light-sensing device according to any one of claims 2 to 4,
the receiving end comprises a distance sensor.
7. A light-sensing device according to any one of claims 2 to 4,
the receiving end is also used for collecting calibration values according to the sunlight infrared components and setting a judgment threshold according to the calibration values.
8. A light-sensing device according to any one of claims 2 to 4,
the cover plate includes a glass cover plate.
9. A light sensation device according to claim 8, wherein,
the infrared light emitted by the emitting end becomes light with a single polarization direction through the polaroid, and the receiving end receives the light with the single polarization direction.
10. An electronic device, comprising:
the light-sensitive device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520571.2U CN219284487U (en) | 2023-03-16 | 2023-03-16 | Light sensing device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520571.2U CN219284487U (en) | 2023-03-16 | 2023-03-16 | Light sensing device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284487U true CN219284487U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320520571.2U Active CN219284487U (en) | 2023-03-16 | 2023-03-16 | Light sensing device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284487U (en) |
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- 2023-03-16 CN CN202320520571.2U patent/CN219284487U/en active Active
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