CN106385511B - Sensor module, panel assembly and mobile terminal - Google Patents
Sensor module, panel assembly and mobile terminal Download PDFInfo
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- CN106385511B CN106385511B CN201610951840.5A CN201610951840A CN106385511B CN 106385511 B CN106385511 B CN 106385511B CN 201610951840 A CN201610951840 A CN 201610951840A CN 106385511 B CN106385511 B CN 106385511B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
Abstract
The invention provides a sensor module, a panel assembly and a mobile terminal, wherein the sensor module comprises: the method comprises the following steps: a first optical transmitter, a first optical receiver, and a second optical receiver; the detection light emitted by the first light emitter forms a high beam signal and a low beam signal after being reflected by an obstacle, the first light receiver is used for receiving the low beam signal, and the second light receiver is used for receiving the high beam signal. The embodiment of the invention has the beneficial effect of improving the detection sensitivity of the sensor module.
Description
Technical Field
The invention relates to the field of communication, in particular to a sensor module, a panel assembly and a mobile terminal.
Background
With the rapid development of terminal technology, intelligent terminals are more and more popular and become essential devices in people's life. People can learn, entertain and the like through the intelligent terminal.
In the prior art, a proximity sensing module of an intelligent terminal is usually implemented by using an infrared transmitter and an infrared receiver. This infrared emitter sends infrared light, forms reflection light after the obstacle reflection, and this infrared receiver receives this reflection light after, judges whether this intelligent terminal is close or keeps away from the obstacle according to reflection light's light intensity value.
However, in practical use, if the distance between the infrared emitter and the infrared receiver is too far, the reflected light cannot enter the infrared receiver when the obstacle is close. When the infrared emitter is too close to the infrared emitter and the intelligent terminal is too far away from an obstacle, part of infrared rays emitted by the infrared emitter directly enter the infrared receiver through reflection inside the intelligent terminal, so that the detected basic value of the infrared receiver is larger; and because the obstacle is far away from the infrared receiver, the change of the light intensity detected by the infrared receiver is very small after the reflected light enters the infrared receiver, so that the sensitivity of the infrared receiver is very low, and misjudgment or misjudgment is easy to occur.
As can be seen from the above, the proximity sensing module of the conventional mobile terminal has low detection sensitivity, and is prone to cause a judgment error or a judgment failure.
Disclosure of Invention
The embodiment of the invention provides a sensor module, a panel assembly and a mobile terminal, and aims to solve the problem that a proximity sensor module in the prior art is low in sensitivity.
An embodiment of the present invention provides a sensor module, including: a first optical transmitter, a first optical receiver, and a second optical receiver; the detection light emitted by the first light emitter forms a high beam signal and a low beam signal after being reflected by an obstacle, the first light receiver is used for receiving the low beam signal, and the second light receiver is used for receiving the high beam signal.
The embodiment of the invention also provides a panel component, which comprises a panel module and a sensor module arranged on one side of the inner surface of the panel module, wherein the sensor module and the panel module are arranged at intervals; the sensor module includes: a first optical transmitter, a first optical receiver, and a second optical receiver; the detection light emitted by the first light emitter forms a high beam signal and a low beam signal after being reflected by an obstacle, the first light receiver is used for receiving the low beam signal, and the second light receiver is used for receiving the high beam signal.
The embodiment of the invention also provides a mobile terminal which comprises a shell, a control circuit, a sensor module and a panel module, wherein the control circuit and the sensor module are both arranged in the shell; the sensor module is any one of the sensor modules described above.
The embodiment of the invention also provides a mobile terminal which comprises a shell and a panel component, wherein the panel component is connected with the shell, and the panel component is any one of the panel components.
In the embodiment of the invention, the sensor module is provided with the first light receiver and the second light receiver, the first light receiver and the second light receiver respectively receive the near light signal and the far light signal, and when the obstacle is far away from the mobile terminal provided with the sensor module, the second light receiver is far away from the first light emitter, so that the light rays reflected by the interior of the mobile terminal and directly entering the second light receiver are less, the change of the received far light signal formed by the reflection of the obstacle is larger, and the sensitivity is higher; when the obstacle is closer to the mobile terminal provided with the sensor module, because the first light receiver is closer to the first light emitter, and the near-beam signals entering the first light receiver after being reflected by the obstacle are more, the light intensity change is larger, and the sensitivity is higher; in conclusion, no matter the mobile terminal provided with the sensor module is far away from the obstacle or is close to the obstacle, the light intensity of the light receiver is greatly changed after the light receiver receives the reflected light of the obstacle, so that the sensitivity of the sensor module is high, and the beneficial effect of improving the detection sensitivity is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a mobile terminal in a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a panel assembly according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a panel assembly according to another preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a panel assembly according to still another preferred embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a panel assembly according to still another preferred embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, 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, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention 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, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Referring to fig. 1, fig. 1 is a mobile terminal 1000 according to a preferred embodiment of the invention, where the mobile terminal 1000 is an electronic device such as a mobile phone or a tablet computer. It is understood that the mobile terminal 1000 includes but is not limited to the example of the present embodiment.
The mobile terminal 1000 includes a panel assembly 100 and a case 200. The panel assembly 100 is disposed on and connected to the housing 200, it can be understood that the mobile terminal 1000 can further include a receiver, correspondingly, the non-display area 100a of the panel assembly 100 is provided with an opening 300 for the receiver to emit sound, the mobile terminal 1000 can further include a fingerprint identification module 400, and the fingerprint identification module is disposed in the non-display area 100a of the panel assembly 100. The display area 100b of the panel assembly 100 can be used for displaying pictures or for user touch control.
The panel assembly 100 may be a touch panel assembly, a touch panel assembly, a terminal panel assembly with other functions, or the like.
Referring to fig. 2, fig. 2 is a structural diagram of a panel assembly 100 according to an embodiment of the invention. The panel assembly 10 includes a sensor module 11, a panel module 12 and a control circuit 13, wherein the sensor module 11 is disposed on one side of an inner surface of the panel module 12, and the sensor module 11 and the panel module 12 are disposed at an interval. The control circuit 13 is in communication connection with the sensor module 11 and the panel module 12, in this embodiment, the control circuit 13 is a motherboard, and the sensor module 11 is fixedly disposed on the motherboard.
Specifically, the sensor module 11 includes a first light emitter 111, a first light receiver 112, and a second light receiver 113.
The first light emitter 111 is configured to emit invisible light with a wavelength greater than 850nm, such as infrared light, which is an infrared emitter. For example, the first light emitter 111 may be an IR LED.
Correspondingly, the first light receiver 112 may be an infrared light receiver for receiving a low beam signal formed after the detection light is reflected by the obstacle 70, the obstacle 70 is typically a human face, and the method is applied in a scene when the user approaches or leaves the face during a call.
Correspondingly, the second light receiver 113 may be an infrared light receiver for receiving a far light signal formed after the detection light is reflected by the obstacle 70. The low-beam signal indicates that the light receiver reflected by the obstacle enters a short distance from the first light emitter 111, and the high-beam signal indicates that the light receiver reflected by the obstacle enters a long distance from the first light emitter 111.
The distance between the first optical receiver 112 and the first optical transmitter 111 is smaller than the distance between the second optical receiver 113 and the first optical transmitter 111. Therefore, the detection of the light intensity variation of the second light receiver 113 is more sensitive when the panel assembly 12 is farther from the obstacle. The detection of the change in light intensity of the first light receiver 112 is more sensitive when the panel assembly 12 is closer to the obstruction. Therefore, in specific applications, the mobile terminal can determine whether the mobile terminal is far away from or close to the mobile terminal according to the light intensity values of the reflected light received by the first light receiver 112 and the second light receiver 113, so that the determination accuracy can be greatly improved, and the improvement of user experience is facilitated.
In this embodiment, the first optical transmitter 111 and the first optical receiver 112 may be integrated in a first integrated chip to form a two-in-one chip. Of course, it may be provided separately as two independent chips.
The panel module 12 includes a display panel 121, a transparent ink layer 122 disposed on an inner surface of the display panel 121, and a light-shielding ink layer 123 disposed on a surface of the transparent ink layer 122 away from the display panel 121. The transparent ink layer 122 and the light-shielding ink layer 123 constitute an ink layer.
Note that the display panel 121 may be a touch display panel, which is used not only as a display unit of the mobile terminal but also as an input unit, and of course, the display panel 121 may be a general liquid crystal display panel.
For example, in the present embodiment, the light-transmissive ink layer 122 has 3 light-transmissive ink sublayers 1221, each light-transmissive ink sublayer 1221 is formed by spraying or printing white ink, and of course, light-colored inks such as light blue and light green may also be used. In this embodiment, the light-transmissive ink layer 122 on the light-shielding ink layer 123 is a light-transmissive ink layer. The transmittance of the ink layer can be set according to actual requirements, the transmittance of visible light (for example, visible light with a wavelength of 550 nm) of the transparent ink layer 122 is generally between 2% and 10%, and the transmittance of an optical signal (for example, infrared light with a wavelength of 850 nm) of the proximity sensor is greater than or equal to 80%.
The light-shielding ink layer 123 may be formed by spraying or printing black ink. The light-shielding ink layer 123 has a first light-passing hole 124 and a second light-passing hole 125. It is understood that the first light through hole 124 and the second light through hole 125 can be filled with a light-transmissive ink, and the color of the light-transmissive ink is the same as the color of the light-transmissive ink layer 122.
The first light passing hole 124 may include a first light emitting hole 1241 and a first light receiving hole 1242, which are separated from each other. The first light emitter 111 is opposite to the first light emitting hole 1241, and emits the detection light outwards through the first light emitting hole 1241. The first light receiver 112 is opposite to the first light receiving hole 1242, and receives the reflected light of the detection light through the first light receiving hole 1242.
The second light passing hole 125 is opposite to the second light receiver 113, and the second light receiver 113 receives the reflected light of the detection light through the second light passing hole 125.
The shapes of the first light emitting hole 1241, the first light receiving hole 1242 and the second light passing hole 125 may be set according to actual requirements. For example, it may be formed in a circular shape, a rectangular shape, a rounded rectangular shape, or the like. In order to improve the ability of the first optical receiver 112 and the second optical receiver 113 to receive optical signals and improve the sensitivity of the sensor, the opening areas of the first light receiving hole 1242 and the second light passing hole 125 may be larger than the opening area of the first light emitting hole 1241.
It is understood that, as shown in fig. 3, in other embodiments, the first light passing hole 124 may also be a larger hole, which is used by both the first light emitter 111 and the first light receiver 112.
In this embodiment, the control circuit 13 is in communication connection with the first optical transmitter 111, the first optical receiver 112 and the second optical receiver 113, and the first optical transmitter 111, the first optical receiver 112 and the second optical receiver 113 are all fixedly disposed on the motherboard.
For example, when the panel assembly 100 is applied to a mobile phone, the first light receiver 112 is closer to the first light emitter 111 due to the different distances between the first light receiver 112 and the second light receiver 113 from the first light emitter 111, and when the panel assembly 100 is closer to an obstacle, the second light receiver 113 receives little light due to the farther distance from the first light emitter 111, and the variation of the light intensity is not large as the distance is changed. When the panel assembly 100 is far from the obstacle, the reflected light is weak, and the light emitted by the first light emitter 111 directly enters the first light receiver 112 by internal reflection, the base value of the light intensity value received by the first light receiver 112 is large, while the light intensity value of the reflected light is small when the display panel is far from the obstacle, so that the reflected light received by the first light receiver does not obviously change the detected light intensity. The second optical receiver 113 is far away from the first optical transmitter 111 relative to the first optical receiver 112, so that the portion of the light emitted by the first optical transmitter 111 that enters the second optical receiver 113 through internal reflection is small, the basic light intensity value is small, and the light intensity change is relatively large after the reflected light enters the second optical receiver 113.
In the communication process, the control circuit 13 controls the first light emitter 111 to emit the detection light, and determines whether the mobile terminal mounted with the panel assembly 100 is close to or away from the face according to the light intensity values of the reflection light received by the first light receiver 112 and the second light receiver 113, when determining that the mobile terminal is far from the face, the control panel module 12 lights up, and when determining that the mobile terminal is close to the face, the control panel module 12 lights off. Specifically, when the light intensity value received by the first light receiver 113 reaches a first proximity threshold or the light intensity value received by the second light receiver 113 reaches a second proximity threshold, it is determined that the mobile terminal is close to the face. When the light intensity value received by the first light receiver 113 reaches the first distance threshold and the light intensity value received by the second light receiver 113 reaches the second distance threshold, it is determined that the mobile terminal is far away from the human face.
Fig. 4 is a structural diagram of a panel assembly 100 according to another embodiment of the present invention, in which the panel assembly 100 includes a sensor module 21, a panel module 22, and a control circuit 23, the sensor module 21 is disposed on one side of an inner surface of the panel module 22, and the sensor module 21 is spaced apart from the panel module 22. The control circuit 23 is in communication connection with the sensor module 21 and the panel module 22, in this embodiment, the control circuit 23 is a motherboard, and the sensor module 21 is fixedly disposed on the motherboard.
Specifically, the sensor module 21 includes a first light emitter 211, a first light receiver 212, a second light receiver 213, a second light emitter 214, a first ambient light sensor 215, and a second ambient light sensor 216.
The first light emitter 211 and the second light emitter 214 are both configured to emit invisible light with a wavelength greater than 850nm, such as infrared light.
The first light emitter 211 and the second light emitter 214 are both infrared light emitters. Both the first optical receiver 212 and the second optical receiver 213 can be infrared light receivers. The first light receiver 212 is used for receiving a low beam signal formed after the detection light is reflected by the obstacle. The second light receiver 214 is used for receiving a far light signal formed after the detection light is reflected by the obstacle. The distance between the first optical receiver 212 and the first optical transmitter 211 is smaller than the distance between the second optical receiver 213 and the first optical transmitter 211. The low-beam signal indicates that the light receiver reflected by the obstacle enters a short distance from the first light emitter 211, and the high-beam signal indicates that the light receiver reflected by the obstacle enters a long distance from the first light emitter 211.
The distance between the first optical receiver 212 and the first optical transmitter 211 is smaller than the distance between the second optical receiver 213 and the first optical transmitter 211. Therefore, when the first light emitter 211 is used as the emitter of the detection light, and when the panel assembly 100 is far away from the obstacle, the detection of the light intensity variation of the second light receiver is more sensitive; the detection of the change in light intensity of the first light receiver is more sensitive when the panel assembly 100 is closer to the obstacle. When the second light emitter 214 is used as the detector light emitter, and when the panel assembly 100 is far away from the obstacle, the detection of the light intensity variation of the second light receiver 214 is more sensitive; the detection of the change in light intensity of the first light receiver 212 is more sensitive when the panel assembly 100 is closer to a barrier.
In this embodiment, the control circuit 23 may select one of the first light emitter 211 and the second light emitter 214 as the detected light emitter, and in general, the first light emitter 211 is used as the detected light emitter, and when the control circuit 23 detects that the first light emitter 211 is abnormal or damaged, the second light emitter 214 is used as the detected light emitter.
In some embodiments, the first light emitter 211, the first light receiver 212, and the first ambient light sensor 215 may be integrally disposed on an integrated chip. The second light emitter 214, the second light receiver 213 and the second ambient light sensor 216 may be integrally disposed in an integrated chip.
The panel module 22 includes a display panel 221, a light-transmissive ink layer 222 disposed on an inner surface of the display panel 221, and a light-blocking ink layer 223 disposed on a surface of the light-transmissive ink layer 222 away from the display panel 221. The transparent ink layer 122 and the light-shielding ink layer 123 constitute an ink layer.
For example, in the present embodiment, the light-transmissive ink layer 222 has three light-transmissive ink sublayers 2221, and each light-transmissive ink sublayer 2221 is formed by spraying or printing white ink. Of course, a light ink such as light blue or light green may be used.
The light-shielding ink layer 223 may be formed by spraying or printing black ink. The light-shielding ink layer 223 has a first light-passing hole 224 and a second light-passing hole 225.
In this embodiment, the light-transmissive ink layer 222 on the light-shielding ink layer 223 is a light-transmissive ink layer. The transmittance of the ink layer can be set according to actual requirements, the transmittance of visible light (for example, visible light with a wavelength of 550 nm) of the transparent ink layer 222 is generally between 2% and 10%, and the transmittance of an optical signal (for example, infrared light with a wavelength of 850 nm) of the proximity sensor is greater than or equal to 80%.
Wherein the first light passing hole 224 may include a separate first light emitting hole 2241 and first light receiving hole 2242. The first light emitter 211 is opposite to the first light emitting hole 2241, and emits a probe light outward through the first light emitting hole 2241. The first light receiver 212 and the first ambient light sensor 215 are opposite to the first light receiving hole 2242, the first light receiver 212 receives the reflected light of the detected light through the first light receiving hole 2242, and the first ambient light sensor 215 detects the intensity of the ambient light through the first light receiving hole 2242.
The second light passing hole 225 may include a separate second light emitting hole 2251 and a second light receiving hole 2252. The second light emitter 214 is opposite to the second light emission hole 2251, and emits a probe light outward through the second light emission hole 2251. The second light receiving hole 2252 is opposite to the second light receiver 213 and the second ambient brightness sensor 216, the second light receiver 213 receives the reflected light of the detection light through the second light receiving hole 2252, and the second ambient brightness sensor 216 detects the brightness of the ambient light through the second light receiving hole 2252.
It is understood that, as shown in fig. 5, in other embodiments, the first light passing hole 224 may also be a larger hole, which is used by the first light emitter 211, the first light receiver 212 and the first ambient light sensor 215 at the same time.
The second light aperture 225 can also be a larger aperture that is used by the second light emitter 214, the second light receiver 213, and the second ambient light sensor 216 simultaneously.
Taking the panel assembly 20 applied to a mobile phone as an example for illustration, normally, the control circuit 23 selects the first light emitter 211 as the emitter of the detection light, and the second light emitter 214 does not operate.
Since the first optical receiver 212 and the second optical receiver 213 are at different distances from the first optical transmitter 211, the first optical receiver 212 is closer to the first optical transmitter 211. When the panel assembly 20 is closer to the obstacle 70, the second light receiver 213 receives little or no reflected light due to the distance from the first light emitter 211, and the variation of the light intensity with the distance is not large. When the panel assembly 20 is far away from the obstacle 70, the light emitted from the first light emitter 211 directly enters the first light receiver 212 by internal reflection, the base value of the light intensity value received by the first light receiver 212 is larger, and the light intensity value of the reflected light is smaller when the panel module 23 is far away from the obstacle 70, so that the change of the reflected light received by the first light receiver 212 to the detected light intensity value is smaller and less obvious; at this time, the second optical receiver 113 is far away from the first optical transmitter 111 relative to the first optical receiver 112, so that the portion of the light emitted by the first optical transmitter 211 entering the second optical receiver 213 through internal reflection is small, the basic light intensity value is small, and the light intensity change is relatively large after the reflected light enters the second optical receiver 213.
In the communication process, the control circuit 23 controls the first light emitter 211 to emit a detection light, and determines whether the mobile terminal equipped with the panel assembly 20 is close to or away from the face according to the light intensity values of the reflection light received by the first light receiver 212 and the second light receiver 213, when determining that the mobile terminal is away from the face, the control panel module 22 lights up, and when determining that the mobile terminal is close to the face, the control panel module 22 lights out. Specifically, when the light intensity value received by the first light receiver 213 reaches a first proximity threshold or the light intensity value received by the second light receiver 213 reaches a second proximity threshold, it is determined that the mobile terminal is close to the human face. When the light intensity value received by the first light receiver 213 reaches the first distance threshold and the light intensity value received by the second light receiver 213 reaches the second distance threshold, it is determined that the mobile terminal is away from the face.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., 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 of the invention. 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.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (11)
1. A panel assembly is characterized by comprising a panel module and a sensor module arranged on one side of the inner surface of the panel module, wherein the sensor module and the panel module are arranged at intervals;
the panel module comprises a display panel and an ink layer arranged on the inner surface of the display panel, wherein the ink layer comprises a light-transmitting ink layer and a light-shading ink layer; the light-transmitting ink layer is arranged on the inner surface of the display panel, the transmittance of the light-transmitting ink layer to visible light is 2-10%, and the transmittance to light of the sensor module is not less than 80%; the shading ink layer is arranged on one surface, far away from the display panel, of the light-transmitting ink layer, and a first light through hole and a second light through hole are formed in the shading ink layer;
the sensor module comprises a first light emitter, a first light receiver and a second light receiver, wherein the first light emitter and the first light receiver are opposite to the first light through hole, and the second light receiver is opposite to the second light through hole;
the first light emitter forms a high beam signal and a low beam signal after detecting light rays emitted by the first light passing hole are reflected by the barrier, the low beam signal is emitted to the first light receiver through the light-transmitting ink layer and the first light passing hole in sequence, and the high beam signal is emitted to the second light receiver through the light-transmitting ink layer and the second light passing hole in sequence;
when the light intensity value received by the first light receiver reaches a first approaching threshold value or the light intensity value received by the second light receiver reaches a second approaching threshold value, judging that the obstacle approaches;
and when the light intensity value received by the first light receiver reaches a first distance threshold value and the light intensity value received by the second light receiver reaches a second distance threshold value, judging that the obstacle is far away.
2. The panel assembly according to claim 1, wherein the first light passing hole and the second light passing hole are filled with light transmissive ink.
3. The panel assembly of claim 1 or 2, wherein the first light passing aperture comprises a separate first light emitting aperture opposite the first light emitting aperture and a first light receiving aperture opposite the first light receiving aperture.
4. The panel assembly according to claim 1 or 2, wherein the light-blocking ink layer is a black ink layer, and the light-transmissive ink layer is a white ink layer.
5. The panel assembly of claim 1, wherein a distance between the first light receiver and the first light emitter is less than a distance between the second light receiver and the first light emitter.
6. The panel assembly of claim 5, wherein the first optical transmitter, the first optical receiver, and the second optical receiver are in the same plane and spaced apart.
7. The panel assembly of claim 6, wherein the first optical transmitter and the first optical receiver are integrally provided as a first integrated chip, and the first integrated chip is spaced apart from the second optical receiver.
8. The panel assembly of claim 5, further comprising a second light emitter, wherein the second light emitter emits a detection light reflected by the blocking object and then reflected to the first light receiver and the second light receiver, respectively, and the first light emitter, the second light emitter, the first light receiver and the second light receiver are located on the same plane and spaced apart from each other.
9. The panel assembly of claim 8, wherein the first optical transmitter and the first optical receiver are integrally formed as a first integrated chip, and the second optical transmitter and the second optical receiver are integrally formed as a second integrated chip spaced apart from the first integrated chip.
10. The panel assembly of claim 9, further comprising a first ambient light sensor integrated into the first integrated chip and a second ambient light sensor integrated into the second integrated chip.
11. A mobile terminal comprising a housing and a panel assembly, the panel assembly being connected to the housing, the panel assembly being as claimed in any one of claims 1 to 10.
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| CN201610951840.5A CN106385511B (en) | 2016-10-26 | 2016-10-26 | Sensor module, panel assembly and mobile terminal |
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| CN201610951840.5A CN106385511B (en) | 2016-10-26 | 2016-10-26 | Sensor module, panel assembly and mobile terminal |
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| CN106385511B true CN106385511B (en) | 2022-04-22 |
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|---|---|---|---|---|
| CN107064948B (en) * | 2016-12-06 | 2023-09-05 | Oppo广东移动通信有限公司 | Sensor module and mobile terminal |
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