CN109495623B - Front camera module and mobile terminal - Google Patents
Front camera module and mobile terminal Download PDFInfo
- Publication number
- CN109495623B CN109495623B CN201811640088.8A CN201811640088A CN109495623B CN 109495623 B CN109495623 B CN 109495623B CN 201811640088 A CN201811640088 A CN 201811640088A CN 109495623 B CN109495623 B CN 109495623B
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- front camera
- screen
- processor
- mobile terminal
- ito film
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Abstract
The embodiment of the invention relates to the technical field of electronic products, and discloses a front camera module and a mobile terminal. In an embodiment of the present invention, the front camera module includes: the top of the bracket is provided with a light through hole, and the lens, the filter, the front camera chip and the ITO film are arranged in the light through hole; the ITO film is sputtered on the surface of the filter and connected to the flexible circuit board extending out of the front camera chip, and the filter is fixed at the bottom of the support; the front camera chip is used for controlling the ITO film to detect the external capacitance change value of the mobile terminal, and sending a screen-off signal to the processor for the processor to control the screen to be off when the external capacitance change value is judged to be larger than a preset threshold value. The embodiment of the invention ensures the shooting function, realizes the distance sensing function, saves the screen space and cost, improves the screen occupation ratio and the stability of distance detection, avoids the phenomenon that the screen can not be turned off during communication, and improves the user experience.
Description
Technical Field
The embodiment of the invention relates to the technical field of electronic products, in particular to a front camera module and a mobile terminal.
Background
Electronic equipment such as a mobile phone is generally applied to daily life of people, and the integrated multiple functions of the electronic equipment provide great convenience for life of people, wherein the distance sensing function of the mobile phone is applied to a receiver mode of the mobile phone, for example, when a call is made in the receiver mode, the mobile phone can be turned off to prevent mistaken touch and save electricity. In the existing mobile phone, the following three schemes are generally adopted to realize the distance sensing function: the first scheme realizes a distance sensing function through a distance sensor, and the distance sensor is positioned in an opening of a mobile phone screen. The second scheme realizes the distance sensing function through the ultrasonic sensor, and the ultrasonic sensor is arranged below the screen. The third scheme detects the distance between the screen and the face by using a touch sensor for realizing the touch function, and realizes the distance sensing function.
However, the inventors found that at least the following problems exist in the prior art: in the first scheme, the distance sensor can occupy the screen space of the mobile phone, so that the screen occupation ratio is reduced, and the difficulty is increased for realizing a comprehensive screen. In the second scheme, the cost of the ultrasonic wave is too high, and the ultrasonic wave occupies the internal space of the mobile phone. In the third scheme, the distance between the earphone located in the non-display area and the touch sensor located in the display area is far, sometimes, the ear is close to the earphone, but a distance exists between the face and the touch sensor, the distance detection part of the touch sensor is stable, so that the phenomenon that the screen cannot be turned off during the call can occur, and the user experience is reduced.
Disclosure of Invention
The embodiment of the invention aims to provide a front camera module and a mobile terminal, which can realize a distance sensing function while ensuring a shooting function, save screen space and cost, improve screen occupation ratio and distance detection stability, avoid the phenomenon that a screen can not be turned off during communication and improve user experience.
To solve the above technical problem, an embodiment of the present invention provides a front camera module including: the device comprises a bracket, a lens, a filter, a front camera chip and an ITO film, wherein the top of the bracket is provided with a light through hole; the ITO film is sputtered on the surface of the filter and connected to a flexible circuit board extending out of the front camera chip, and the filter is fixed at the bottom of the support; the front camera chip is used for controlling the ITO film to detect an external capacitance change value of the mobile terminal, and sending a screen-off signal to the processor for the processor to control the screen to be off when the external capacitance change value is judged to be larger than a preset threshold value.
An embodiment of the present invention further provides a mobile terminal, including: the device comprises a processor, a display screen, a receiver, a shell and the front camera module; the front shooting module is arranged in the shell, and a lens of the front shooting module is positioned in the opening of the display screen; the processor is connected with the display screen, the receiver and the front camera chip of the front camera module.
Compared with the prior art, the embodiment of the invention provides a front-shooting module further comprising an ITO film, wherein the ITO film is sputtered on the surface of a filter and is connected to a flexible circuit board extending out of a front-shooting chip, and the filter is fixed at the bottom of a support; the front-camera chip is used for controlling the ITO film to detect the external capacitance change value of the mobile terminal, and when the external capacitance change value is judged to be larger than a preset threshold value, a screen-off signal is sent to the processor to control the screen to be turned off, and the distance between the front-camera module and the earphone is short (the distance between the front-camera module and the earphone is short or even close to the front-camera module and the earphone), so that the front-camera module provided by the embodiment of the invention realizes a distance sensing function while ensuring a shooting function, thereby replacing a scheme of adopting a distance sensor to realize distance sensing in the prior art, saving screen space and improving screen occupation ratio; compared with the existing scheme of adopting the ultrasonic sensor to realize distance sensing, the cost is saved; compared with the existing scheme of realizing distance sensing by adopting a touch sensor, the distance detection stability is improved, the phenomenon that a screen can not be turned off during communication is avoided, and the user experience is improved.
In addition, an ITO thin film is sputtered on the surface of the optical filter, which is far away from the lens. In the embodiment, the ITO film is sputtered on the surface of the optical filter, which is far away from the lens, and the surface of the optical filter, which is far away from the lens, faces the front-shooting chip, so that the ITO film can be directly connected with the flexible circuit board on the front-shooting chip conveniently in structure, the installation procedure is simplified, and convenience is brought to installation.
In addition, the front camera chip is further used for sending a screen lightening signal to the processor to control the screen to be lightened by the processor when the external capacitance change value is judged to be smaller than the preset threshold value. In this embodiment, when the user changes from the handset mode to the non-handset mode, the user can directly enter the operation page of the mobile terminal without the user operation.
In addition, when the front-camera chip receives a mode signal that the mobile terminal enters a receiver mode from the processor, the front-camera chip controls the ITO film to detect an external capacitance change value of the mobile terminal. In this embodiment, the ITO film is not operated in the non-handset mode of the mobile terminal, which can save power consumption.
In addition, four corner regions on the connectable area are connected to the flexible circuit board. In this embodiment, the four corners region on the joinable area can absolutely guarantee to keep away from the light-passing region to guarantee not to influence the shooting of preceding module of making a video recording, and the four corners region can direct people's eye confirm, makes things convenient for regional determination promptly, facilitates for the installation.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic sectional view of a front camera module according to a first embodiment;
fig. 2 is a schematic bottom view of a stand of a front camera module according to a first embodiment;
fig. 3 is a schematic bottom view of a stand of a front camera module according to a second embodiment;
fig. 4 is a block schematic diagram of a mobile terminal according to a third embodiment;
fig. 5 is a schematic diagram of a mobile terminal according to a third embodiment;
fig. 6 is another schematic diagram of a mobile terminal according to a third embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments; the following embodiments are divided for convenience of description, and should not be construed as limiting the specific implementations of the present invention, and the embodiments may be combined with each other and used without contradiction.
A first embodiment of the present invention relates to a camera module, which is applied to a mobile terminal including a processor, such as a mobile phone; as shown in fig. 1, the front camera module includes: the camera module comprises a bracket 1 with a light through hole 11 on the top, a lens 2 installed in the light through hole 11, a filter 3 (also referred to as IR glass in the industry), an ITO film 4 (namely an indium tin oxide semiconductor transparent conductive film) and a front camera chip 5.
In this embodiment, the ITO film 4 is sputtered on the surface of the filter 3 and connected to the flexible circuit board extending from the front camera chip 5, and the filter 3 is fixed to the bottom of the bracket 1.
In this embodiment, the front camera chip 5 is configured to control the ITO film 4 to detect an external capacitance variation value of the mobile terminal, and send a screen-off signal to the processor for the processor to control the screen to be turned off when it is determined that the external capacitance variation value is greater than a preset threshold. In addition, the size of the preset threshold may be determined according to an empirical value, which is not limited in this embodiment.
Compared with the prior art, the embodiment of the invention provides a front-shooting module further comprising an ITO film, wherein the ITO film is sputtered on the surface of a filter and is connected to a flexible circuit board extending out of a front-shooting chip, and the filter is fixed at the bottom of a support; the front-camera chip is used for controlling the ITO film to detect the external capacitance change value of the mobile terminal, and when the external capacitance change value is judged to be larger than a preset threshold value, a screen-off signal is sent to the processor to control the screen to be turned off by the processor; compared with the existing scheme of realizing distance sensing by adopting a touch sensor, the distance detection stability is improved, the phenomenon that the screen cannot be turned off during conversation is avoided, and the user experience is improved.
The following description specifically describes implementation details of the front camera module of the present embodiment, and the following description is provided only for the sake of understanding and is not necessary to implement the present embodiment.
In this embodiment, the front camera chip 5 is further configured to send a screen-up signal to the processor for the processor to control the screen to be turned up when determining that the external capacitance variation value is smaller than the preset threshold value, so that a user can directly enter the operation page of the mobile terminal without user operation when the user changes from the handset mode to the non-handset mode.
In the present embodiment, as shown in fig. 2, the ITO thin film 4 includes a connectable region 41 and a light-transmitting region 42; the light transmission region 42 is a projection region of the light transmission hole on the ITO thin film 4; the connectable area 41 is connected to a flexible circuit board extending from the front camera chip 5.
In fact, in this embodiment, the surface of the filter 3 facing the lens 2 is coated with a cut-off layer to filter the external infrared light, and the surface of the filter 3 facing away from the lens 2 is coated with a transparent layer to increase the amount of light entering; that is, in the above example, the ITO thin film 4 is sputtered on the cut-off layer of the filter 3.
In an example, as shown in fig. 2, the bottom of the bracket 1 has a plastic frame wall 12, and the filter 3 may be attached to the plastic frame wall 12 by an adhesive layer, but in practice, the present embodiment is not limited thereto, and the installation manner between the filter 3 and the bracket 1 is not limited at all.
In one example, the ITO film 4 is sputtered on the surface of the filter 3 facing the lens 2, the ITO film 4 can be connected to a flexible circuit board extending from the front camera chip 5 through an FPC, and the FPC can be led out from the side edge of the filter 3; however, this is merely an example and is not limited thereto.
A second embodiment of the present invention relates to a camera module. The second embodiment is an improvement on the first embodiment, and the main improvement lies in that: in the second embodiment of the present invention, the ITO thin film 4 is sputtered on the surface of the filter 3 facing away from the lens 2.
In one example, when the front-end chip 5 receives a mode signal that the mobile terminal enters the receiver mode from the processor, the ITO film is controlled to detect an external capacitance change value of the mobile terminal, that is, the ITO film is not operated in the non-receiver mode of the mobile terminal, which can save power consumption compared with the first embodiment in which the ITO film 4 is operated in real time.
Preferably, in the present embodiment, as shown in fig. 3, the four corner regions 411 on the connectable region 41 are connected to the flexible circuit board (which may be one four corner region 411, and preferably, at least two four corner regions 411, to ensure connection reliability) extending from the front camera chip 5. In this embodiment, the four corner regions 411 on the connectable area 41 can be absolutely guaranteed to be away from the light-transmitting area, so that the shooting of the front camera module is not affected, and the four corner regions 411 can be directly determined by human eyes, i.e., the determination of the convenient area is facilitated, and convenience is provided for installation.
In the present embodiment, the connectable region 41 is connected to the flexible circuit board through a conductive member. In one example, the conductive member is silver paste, conductive foam or conductive cloth; however, the present embodiment is not limited thereto, and the specific structural form of the conductive member is not limited in any way.
Compared with the first implementation mode, the ITO film is sputtered on the surface, away from the lens, of the optical filter, and the surface, away from the lens, of the optical filter faces the front-camera chip, so that the ITO film can be directly connected with the flexible circuit board on the front-camera chip conveniently in structure, the installation procedure is simplified, and convenience is brought to installation.
A third embodiment of the present invention relates to a mobile terminal, as shown in fig. 4, including: a processor 6, a display 7, a receiver 8, a housing and a camera module 10 in the first or second embodiment.
In the present embodiment, the front camera module 10 is disposed in the housing, and the lens of the front camera module 10 is located in the opening of the display screen 7; the processor 6 is connected to the display 7, the receiver 8 and the front camera chip 5 of the front camera module 10.
In this embodiment, as shown in fig. 5, the display screen 7 is a water drop screen, and the bottom area of the water drop screen is a receiver; however, the present embodiment is not limited to this, and the type of the display 7 is not limited in any way, for example, as shown in fig. 6, the display may be a conventional bang screen.
Compared with the prior art, the embodiment of the invention provides a front-shooting module further comprising an ITO film, wherein the ITO film is sputtered on the surface of a filter and is connected to a flexible circuit board extending out of a front-shooting chip, and the filter is fixed at the bottom of a support; the front-camera chip is used for controlling the ITO film to detect the external capacitance change value of the mobile terminal, and when the external capacitance change value is judged to be larger than a preset threshold value, a screen-off signal is sent to the processor to control the screen to be turned off by the processor; compared with the existing scheme of realizing distance sensing by adopting a touch sensor, the distance detection stability is improved, the phenomenon that the screen cannot be turned off during conversation is avoided, and the user experience is improved.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. The proactive module is characterized by being applied to a mobile terminal comprising a processor; the proactive module includes: the device comprises a bracket, a lens, a filter, a front camera chip and an ITO film, wherein the top of the bracket is provided with a light through hole;
the ITO film is sputtered on the surface of the filter and connected to a flexible circuit board extending out of the front camera chip, and the filter is fixed at the bottom of the support;
the front camera chip is used for controlling the ITO film to detect an external capacitance change value of the mobile terminal, and sending a screen-off signal to the processor for the processor to control the screen to be off when the external capacitance change value is judged to be larger than a preset threshold value.
2. The camera module of claim 1, wherein the ITO film is sputtered on a surface of the filter facing away from the lens.
3. The front camera module of claim 1, wherein the front camera chip is further configured to send a screen-on signal to the processor for the processor to control the screen to be turned on when it is determined that the external capacitance variation value is smaller than the preset threshold value.
4. The front camera module of claim 1, wherein the front camera chip controls the ITO film to detect an external capacitance variation value of the mobile terminal when receiving a mode signal from the processor that the mobile terminal enters an earpiece mode.
5. The camera module of claim 1, wherein the ITO film includes a connectable region and a light-transmitting region; the light-transmitting area is a projection area of the light-transmitting hole on the ITO thin film;
the connectable area is connected to the flexible circuit board.
6. The camera module of claim 5, wherein four corner regions on the connectable area are connected to the flexible circuit board.
7. The headset of claim 5, wherein the connectable region is connected to the flexible circuit board by a conductive member.
8. The headset of claim 7, wherein the conductive member is silver paste, conductive foam, or conductive cloth.
9. A mobile terminal, comprising: a processor, a display screen, an earpiece, a housing, and the camera module of any one of claims 1-8;
the front shooting module is arranged in the shell, and a lens of the front shooting module is positioned in the opening of the display screen;
the processor is connected with the display screen, the receiver and the front camera chip of the front camera module.
10. The mobile terminal of claim 9, wherein the display is a drop screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640088.8A CN109495623B (en) | 2018-12-29 | 2018-12-29 | Front camera module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640088.8A CN109495623B (en) | 2018-12-29 | 2018-12-29 | Front camera module and mobile terminal |
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| Publication Number | Publication Date |
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| CN109495623A CN109495623A (en) | 2019-03-19 |
| CN109495623B true CN109495623B (en) | 2021-09-28 |
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| CN201811640088.8A Active CN109495623B (en) | 2018-12-29 | 2018-12-29 | Front camera module and mobile terminal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677471A (en) * | 2013-11-27 | 2014-03-26 | 上海天奕达电子科技有限公司 | Misoperation processing method and system for touch screen terminals |
| CN108196709A (en) * | 2017-12-28 | 2018-06-22 | 上海传英信息技术有限公司 | The touch screen control method and control system of a kind of intelligent terminal |
| CN207543203U (en) * | 2017-09-28 | 2018-06-26 | 南京粤讯电子科技有限公司 | Camera module and electronic equipment |
| CN108828786A (en) * | 2018-06-21 | 2018-11-16 | 深圳市光鉴科技有限公司 | A kind of 3D camera |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293444B (en) * | 2015-06-25 | 2020-07-03 | 小米科技有限责任公司 | Mobile terminal, display control method and device |
| CN106650582A (en) * | 2016-09-27 | 2017-05-10 | 宇龙计算机通信科技(深圳)有限公司 | Fingerprint identification method, camera with fingerprint identification function and terminal |
-
2018
- 2018-12-29 CN CN201811640088.8A patent/CN109495623B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677471A (en) * | 2013-11-27 | 2014-03-26 | 上海天奕达电子科技有限公司 | Misoperation processing method and system for touch screen terminals |
| CN207543203U (en) * | 2017-09-28 | 2018-06-26 | 南京粤讯电子科技有限公司 | Camera module and electronic equipment |
| CN108196709A (en) * | 2017-12-28 | 2018-06-22 | 上海传英信息技术有限公司 | The touch screen control method and control system of a kind of intelligent terminal |
| CN108828786A (en) * | 2018-06-21 | 2018-11-16 | 深圳市光鉴科技有限公司 | A kind of 3D camera |
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| CN109495623A (en) | 2019-03-19 |
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