CN113805402A - Camera shooting assembly and electronic equipment - Google Patents
Camera shooting assembly and electronic equipment Download PDFInfo
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- CN113805402A CN113805402A CN202110926109.8A CN202110926109A CN113805402A CN 113805402 A CN113805402 A CN 113805402A CN 202110926109 A CN202110926109 A CN 202110926109A CN 113805402 A CN113805402 A CN 113805402A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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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
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- Nonlinear Science (AREA)
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- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Dispersion Chemistry (AREA)
Abstract
The embodiment of the application provides a subassembly and electronic equipment make a video recording, through set up the material layer on the module of making a video recording, this material layer is including the polymer dispersed liquid crystal layer of range upon range of setting, first electrode layer and second electrode layer, one of them in first electrode layer and the second electrode layer is located the polymer dispersed liquid crystal layer towards the one side of the module of making a video recording, another one in first electrode layer and the second electrode layer is located the polymer dispersed liquid crystal layer and deviates from the one side of the module of making a video recording, can realize the automatic function of shielding to the camera, it shelters from to have avoided needing manual operation to shelter from the camera among the prior art, the poor problem of convenience.
Description
Technical Field
The embodiment of the application relates to the technical field of terminals, in particular to a camera shooting assembly and electronic equipment.
Background
With the development of smart phones, a camera function is an indispensable function for electronic devices (e.g., mobile phones, tablet computers, etc.), and in order to obtain good image quality and camera effect, the electronic devices are equipped with a plurality of camera modules to provide a wide range of camera functions.
At present, the module of making a video recording brings good experience for the user and simultaneously, has also brought potential danger for user's privacy, for example after hacker or virus invade, can gather video or image under the condition that the user is unknown, causes user's privacy to reveal. In the prior art, selective physical shading is generally carried out on a camera of a camera module so as to solve the problem of potential safety hazards. Taking a portable notebook computer as an example, at present, a part of high-end notebook computers are equipped with a shielding plate at the position of a camera, and a user can select whether the camera is exposed or not by manually sliding the shielding plate, but considering that the cost of the shielding plate is higher, and the shielding plate is independently arranged to occupy larger space, and the user generally shields the camera by using methods such as an opaque adhesive tape and the like.
However, in the above scheme, the camera needs to be shielded by manual operation, which is very inconvenient.
Disclosure of Invention
The application provides a subassembly and electronic equipment make a video recording can realize shielding the function to the automation of camera, has avoided needing manual operation to shelter from the camera among the prior art, problem that the convenience is poor.
In a first aspect, an embodiment of the present application provides an image capturing assembly, which at least includes: the camera shooting device comprises a camera shooting module and a material layer arranged on the camera shooting module; the material layer includes: the camera module comprises a polymer dispersed liquid crystal layer, a first electrode layer and a second electrode layer which are stacked, wherein one of the first electrode layer and the second electrode layer is located on one surface, facing the camera module, of the polymer dispersed liquid crystal layer, and the other one of the first electrode layer and the second electrode layer is located on one surface, facing away from the camera module, of the polymer dispersed liquid crystal layer.
According to the camera shooting assembly provided by the embodiment of the application, the material layer is arranged on the camera shooting module and comprises the polymer dispersed liquid crystal layer, the first electrode layer and the second electrode layer which are arranged in a stacked mode, wherein one of the first electrode layer and the second electrode layer is located on one surface, facing the camera shooting module, of the polymer dispersed liquid crystal layer, the other one of the first electrode layer and the second electrode layer is located on one surface, away from the camera shooting module, of the polymer dispersed liquid crystal layer, when a user does not use the camera shooting assembly, the polymer dispersed liquid crystal layer is in a power-off state, the polymer dispersed liquid crystal layer presents a white frosted appearance, and the camera shooting assembly cannot shoot clearly; when the user need use the subassembly of making a video recording, to polymer dispersed liquid crystal layer circular telegram, polymer dispersed liquid crystal layer becomes transparent state, and the subassembly of making a video recording can normal daylighting, like this, can realize shielding the function to the automation of the module of making a video recording, has avoided needing manual operation to shelter from the camera among the prior art, the poor problem of convenience.
In one possible implementation, the camera module includes: the camera module comprises a module body and a lens connected with the module body; the material layer is located on an outer surface of the lens. When a user does not use the camera shooting assembly, the polymer dispersed liquid crystal layer is in a power-off state, the polymer dispersed liquid crystal layer presents a white frosted appearance, and the camera shooting assembly cannot shoot clearly; when the user need use the subassembly of making a video recording, to polymer dispersed liquid crystal layer circular telegram, polymer dispersed liquid crystal layer becomes transparent state, the subassembly of making a video recording can normal daylighting, like this, can realize the automatic function of shielding to the camera lens of the module of making a video recording.
In one possible implementation manner, the method further includes: a voltage control circuit; the first electrode layer and the second electrode layer are both electrically connected with the voltage control circuit. The voltage control circuit is electrically connected to the first electrode layer and the second electrode layer, and utilizes the characteristics of the polymer dispersed liquid crystal layer, and the voltage control circuit applies a voltage to the polymer dispersed liquid crystal layer through the first electrode layer and the second electrode layer, so that the polymer dispersed liquid crystal layer is gradually changed from a high haze state to a low haze transparent state in the process of gradually increasing the voltage, and is gradually changed from the low haze transparent state to the high haze state in the process of gradually decreasing the voltage, namely the voltage control circuit is used for adjusting the haze and the transmittance of the polymer dispersed liquid crystal layer.
In one possible implementation, in the power-off state of the first electrode layer and the second electrode layer, the light transmittance of the polymer dispersed liquid crystal layer is lower than 20%; the light transmittance of the polymer dispersed liquid crystal layer is higher than 85% when the first electrode layer and the second electrode layer are in a power-on state.
The light transmittance of polymer dispersed liquid crystal layer is less than 20%, can guarantee that polymer dispersed liquid crystal layer presents white dull polish outward appearance, and the light transmittance of polymer dispersed liquid crystal layer is higher than 85%, can guarantee that polymer dispersed liquid crystal layer is the transparent state, and like this, first electrode layer and second electrode layer are under the outage state, and polymer dispersed liquid crystal layer presents white dull polish outward appearance, and the subassembly of making a video recording can't clearly photograph. First electrode layer and second electrode layer are under the on state, and polymer dispersed liquid crystal layer is the transparent state, and the subassembly of making a video recording can normal daylighting, like this, can realize the automatic function of shielding to the module of making a video recording.
In one possible implementation, the thickness of the polymer dispersed liquid crystal layer is greater than or equal to 1um, and the thickness of the polymer dispersed liquid crystal layer is less than or equal to 4 um.
In one possible implementation, the first electrode layer and the second electrode layer are transparent conductive layers. The first electrode layer and the second electrode layer are transparent conductive layers, so that the first electrode layer and the second electrode layer can be prevented from interfering with the haze and transmittance change state of the polymer dispersed liquid crystal layer.
In one possible implementation manner, the material used for the first electrode layer and the second electrode layer is indium tin oxide.
In one possible implementation manner, the thickness of the first electrode layer is greater than or equal to 5nm, and the thickness of the first electrode layer is less than or equal to 20 nm; the thickness of the second electrode layer is greater than or equal to 5nm, and the thickness of the second electrode layer is less than or equal to 20 nm.
In a possible implementation manner, the first electrode layer is located on a surface of the polymer dispersed liquid crystal layer facing the camera module, and the second electrode layer is located on a surface of the polymer dispersed liquid crystal layer facing away from the camera module.
In one possible implementation, the material layer further includes: a protective film layer; the second electrode layer is located between the protective film layer and the polymer dispersed liquid crystal layer. The protective film layer can play a protective role, and the influence of external conditions or factors on the material layer is avoided.
In a possible implementation manner, the material used for the protective film layer is polyethylene terephthalate.
In a possible implementation manner, the thickness of the protective film layer is greater than or equal to 15um, and the thickness of the protective film layer is less than or equal to 200 um.
In one possible implementation, the material layer further includes: a substrate layer; the protective film layer is located between the substrate layer and the second electrode layer. The substrate layer can also play a role in protection, and the influence of external conditions or factors on the material layer is avoided, for example, the damage to the material layer caused by external scratch or beating is avoided.
In a possible implementation manner, the substrate layer is connected with the protective film layer through an optical adhesive.
In a second aspect, an embodiment of the present application provides an electronic device, where the electronic device at least includes: the display screen and the rear shell are respectively positioned on two sides of the middle frame; further comprising: at least one camera assembly as described in any one of the above; the camera shooting assembly is arranged on the middle frame, and a lens of the camera shooting assembly faces towards the display screen or the rear shell.
The electronic equipment provided by the embodiment of the application comprises at least one camera shooting assembly, wherein a material layer is arranged on a camera shooting module through the camera shooting assembly, and comprises a polymer dispersed liquid crystal layer, a first electrode layer and a second electrode layer which are arranged in a stacked mode, wherein one of the first electrode layer and the second electrode layer is located on one surface, facing the camera shooting module, of the polymer dispersed liquid crystal layer, and the other one of the first electrode layer and the second electrode layer is located on one surface, facing away from the camera shooting module, of the polymer dispersed liquid crystal layer; when the user need use the subassembly of making a video recording, to polymer dispersed liquid crystal layer circular telegram, polymer dispersed liquid crystal layer becomes transparent state, and the subassembly of making a video recording can normal daylighting, like this, can realize shielding the function to the automation of the module of making a video recording, has avoided needing manual operation to shelter from the camera among the prior art, the poor problem of convenience.
In a possible implementation manner, the camera module is a front camera module, or the camera module is a rear camera module. When the camera shooting assembly is a front camera shooting assembly, the material layer is arranged on the camera shooting module of the front camera shooting assembly, when a user does not use the front camera shooting assembly, the polymer dispersed liquid crystal layer of the material layer is in a power-off state, the polymer dispersed liquid crystal layer presents a white frosted appearance, and the front camera shooting assembly cannot shoot clearly; when a user needs to use the front camera shooting assembly, the polymer dispersed liquid crystal layer is electrified, the polymer dispersed liquid crystal layer is changed into a transparent state, and the front camera shooting assembly can normally collect light, so that the automatic shielding function of the front camera shooting assembly can be realized.
When the camera shooting assembly is a rear camera shooting assembly, the material layer is arranged on the camera shooting module of the rear camera shooting assembly, when a user does not use the rear camera shooting assembly, the polymer dispersed liquid crystal layer of the material layer is in a power-off state, the polymer dispersed liquid crystal layer presents a white frosted appearance, and the rear camera shooting assembly cannot shoot clearly; when a user needs to use the rear camera shooting assembly, the polymer dispersed liquid crystal layer is electrified, the polymer dispersed liquid crystal layer is changed into a transparent state, and the rear camera shooting assembly can normally collect light, so that the automatic shielding function of the rear camera shooting assembly can be realized.
In a possible implementation manner, the number of the camera modules is two, one of the camera modules is a rear camera module, and the other camera module is a front camera module. By arranging the material layers on the camera modules of the front camera module and the rear camera module, when a user does not use the front camera module and the rear camera module, the polymer dispersed liquid crystal layer of the material layers is in a power-off state, the polymer dispersed liquid crystal layer presents a white frosted appearance, and the front camera module and the rear camera module cannot shoot clearly; when a user needs to use the front camera shooting assembly and the rear camera shooting assembly, the polymer dispersed liquid crystal layer is electrified, the polymer dispersed liquid crystal layer is changed into a transparent state, and the front camera shooting assembly and the rear camera shooting assembly can normally collect light, so that the automatic shielding function of the front camera shooting assembly and the rear camera shooting assembly can be realized.
Drawings
Fig. 1 is a schematic overall structure diagram of an electronic device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a split structure of an electronic device according to an embodiment of the present application;
fig. 3 is a schematic overall structure diagram of an electronic device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a camera module in an electronic device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a camera module in an electronic device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a camera module in an electronic device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a camera module in an electronic device according to an embodiment of the present application.
Description of reference numerals:
100-a camera assembly; 100 a-front camera assembly; 100 b-a rear camera assembly;
10-a layer of material; 101-a polymer dispersed liquid crystal layer; 102-a first electrode layer;
103-a second electrode layer; 104-a protective film layer; 105-a substrate layer;
106-adhesive layer; 20-a camera module; 201-module body;
202-lens; 200-mobile phone; 21-a display screen;
211-opening a hole; 22-middle frame; 221-frame;
222-metal middle plate; 23-a circuit board; 24-a battery;
25-battery cover; 300-notebook computer; 301-a display;
302-keyboard host; 303-keyboard assembly.
Detailed Description
The terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application, as the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The embodiment of the present application provides an electronic device, which may include, but is not limited to, a mobile or fixed terminal having a camera function, such as a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a handheld computer, an intercom, a netbook, a Point of sale (POS) machine, a Personal Digital Assistant (PDA), a wearable device, a virtual reality device, a wireless usb disk, a bluetooth sound/earphone, or a vehicle-mounted front-end, a car recorder, and a security device.
In the embodiment of the present application, the mobile phone 200 is taken as the above-mentioned electronic device for example, the mobile phone 200 provided in the embodiment of the present application may be a curved-screen mobile phone or a flat-screen mobile phone, and in the embodiment of the present application, a flat-screen mobile phone is taken as an example for description. Fig. 1 and fig. 2 respectively show an overall structure and a split structure of a mobile phone 200, a display screen 21 of the mobile phone 200 provided in the embodiment of the present application may be a water drop screen, a bang screen, a full screen, or a hole digging screen (see fig. 1), for example, an opening 211 is formed in the display screen 21, and the following description takes the hole digging screen as an example for description.
Referring to fig. 2, a handset 200 may include: the display screen 21, the middle frame 22 and the battery cover 25 are respectively positioned at two sides of the middle frame 22. In addition, the mobile phone 200 may further include a battery 24 located between the middle frame 22 and the battery cover 25, wherein the battery 24 may be disposed on a side of the middle frame 22 facing the battery cover 25 (as shown in fig. 2), or the battery 24 may be disposed on a side of the middle frame 22 facing the display screen 21, for example, a side of the middle frame 22 facing the battery cover 25 may have a battery compartment (not shown), and the battery 24 is installed in the battery compartment. In some other examples, the mobile phone 200 may further include a circuit board 23, wherein the circuit board 23 may be disposed on the middle frame 22, for example, the circuit board 23 may be disposed on a side of the middle frame 22 facing the battery cover 25 (as shown in fig. 2), or the circuit board 23 may be disposed on a side of the middle frame 22 facing the display screen 21, and the display screen 21 and the battery cover 25 are respectively located on two sides of the middle frame 22.
The battery 24 may be connected to the charging management module and the circuit board 23 through a power management module, and the power management module receives input from the battery 24 and/or the charging management module and supplies power to the processor, the internal memory, the external memory, the display screen 21, the camera module, the communication module, and the like. The power management module may also be used to monitor parameters such as battery 24 capacity, battery 24 cycle count, battery 24 health (leakage, impedance), etc. In other embodiments, the power management module may also be disposed in the processor of the circuit board 23. In other embodiments, the power management module and the charging management module may be disposed in the same device.
When the mobile phone 200 is a flat-panel mobile phone, the Display screen 21 may be an Organic Light-Emitting Diode (OLED) Display screen or a Liquid Crystal Display (LCD) Display screen, and when the mobile phone 200 is a curved-panel mobile phone, the Display screen 21 may be an OLED Display screen. It should be understood that the display screen 21 may include a display for outputting display content to a user and a touch device for receiving touch events input by the user on the display screen 21.
With continued reference to fig. 2, the middle frame 22 may include a metal middle plate 222 and a frame 221, wherein the frame 221 is disposed around the outer circumference of the metal middle plate 222. In general, the bezel 221 may include a top bezel, a bottom bezel, a left side bezel, and a right side bezel, which enclose a bezel in a square ring structure. The metal middle plate 222 is made of, but not limited to, an aluminum plate, an aluminum alloy, stainless steel, a steel-aluminum composite die-cast plate, a titanium alloy, or a magnesium alloy. The frame 221 may be a metal frame, a ceramic frame, or a glass frame. When the frame 221 is a metal frame, the material of the metal frame includes, but is not limited to, aluminum alloy, stainless steel, steel-aluminum composite die-cast plate, or titanium alloy. The middle metal plate 222 and the frame 221 may be clamped, welded, bonded or integrally formed, or the middle metal plate 222 and the frame 221 may be fixedly connected by injection molding.
The top frame and the bottom frame are arranged relatively, the left side frame and the right side frame are arranged relatively, the top frame is in fillet connection with one end of the left side frame and one end of the right side frame respectively, and the bottom frame is in fillet connection with the other end of the left side frame and the other end of the right side frame respectively, so that a fillet rectangular area is formed jointly. The rear shell is connected with the ground and arranged in the rounded rectangular area and is respectively connected with the top frame, the bottom frame, the left side frame and the right side frame. It will be appreciated that the rear housing ground may be the battery cover 25 of the handset 200.
The battery cover 25 may be a metal rear shell, a glass rear shell, a plastic rear shell, or a ceramic rear shell, and in the embodiment of the present application, the material of the battery cover 25 is not limited, and is not limited to the above example.
It should be noted that, in some examples, the battery cover 25 of the mobile phone 200 may be connected to the bezel 221 to form an integrally formed (Unibody) rear case, for example, the mobile phone 200 may include: the display 21, the metal middle plate 222 and the rear case, which may be a rear case formed by integrally molding (Unibody) the bezel 221 and the battery cover 25, such that the circuit board 23 and the battery 24 are located in a space defined by the metal middle plate 222 and the rear case.
In order to implement the shooting function, the mobile phone 200 may further include: the camera assembly 100, the camera assembly 100 can be arranged on the middle frame 22, and the camera of the camera assembly 100 faces the display screen 21 or the battery cover 25. The image capturing assemblies 100 may be front image capturing assemblies 100a or rear image capturing assemblies 100b, or the number of the image capturing assemblies 100 may be two, where one image capturing assembly 100 is the front image capturing assembly 100a and the other image capturing assembly 100 is the rear image capturing assembly 100b (see fig. 2).
Specifically, the rear camera module 100b may be disposed on a surface of the metal middle plate 222 facing the battery cover 25, the display screen 21 is provided with an opening 211, and a lens of the rear camera module 100b corresponds to the opening 211. The battery cover 25 may be provided with a mounting hole (not shown) for mounting a part of the rear camera module 100b, and of course, the rear camera module 100b may also be mounted on a surface of the battery cover 25 facing the metal middle plate 222. The front camera module 100a may be disposed on a surface of the metal middle plate 222 facing the display screen 21, or the front camera module 100a may be disposed on a surface of the metal middle plate 222 facing the battery cover 25, or the front camera module 100a may be disposed on a surface of the battery cover 25 facing the display screen 21, and the metal middle plate 222 is provided with an opening through which a lens end of the front camera module 100a is exposed.
In addition, in the embodiment of the present application, a notebook computer 300 may be taken as an example to be described as the electronic device, fig. 3 shows a schematic perspective view of the notebook computer, and referring to fig. 3, the notebook computer 300 may include: a display 301 and a keyboard host 302, wherein the display 301 is used for displaying images, videos and the like, and the keyboard host 302 is used for inputting instructions and data and controlling the display 301 to display images and videos according to the inputted instructions and data. Meanwhile, the keyboard host 302 is also used for playing voice or music.
The notebook computer 300 can be switched between an open state and a closed state. When the notebook computer 300 is in an open state, the display 301 and the keyboard host 302 form an included angle of not less than 0 ° and not more than 360 °. That is, the display 301 can rotate 360 ° around the keyboard host 302. When the notebook computer 300 is in a closed state, the display 301 covers the keyboard host 302, and a display surface of the display 301 is opposite to a keyboard surface of the keyboard host 302.
Specifically, the display 301 and the keyboard host 302 may be rotatably connected, for example, the display 301 and the keyboard host 302 may be connected through a rotating shaft. Alternatively, the display 301 and the keyboard main unit 302 may be rotatably connected through a hinge structure. Or, in some examples, the display 301 and the keyboard host 302 may be independent devices, for example, the display 301 and the keyboard host 302 may be detachable, when in use, the display 301 is placed on the keyboard host 302, and after use, the display 301 and the keyboard host 302 may be separated from each other.
It should be noted that, in order to achieve the display effect of the display 301, the display 301 and the keyboard host 302 need to be electrically connected, for example, the display 301 and the keyboard host 302 may be electrically connected through a contact, or the display 301 and the keyboard host 302 may be electrically connected through a Flexible Printed Circuit (FPC), or the display 301 and the keyboard host 302 may be electrically connected through a wire, and furthermore, the display 301 and the keyboard host 302 may be wirelessly connected through a wireless signal (for example, a bluetooth signal).
It should be noted that, when the Display 301 is a flat panel, the Display 301 may be an Organic Light-Emitting Diode (OLED) Display, or may also be a Liquid Crystal Display (LCD), and when the Display 301 is a curved panel, the Display 301 may be an OLED Display.
Referring to fig. 1, in order to implement the input of the electronic device, the notebook computer 300 may further include: the keyboard module 303, the keyboard module 303 is used for inputting instructions and data, the keyboard module 303 may be disposed on the keyboard host 302, for example, the keyboard host 302 may have a mounting portion (not shown in the figure), the keyboard module 303 is mounted on the mounting portion of the keyboard host 302, the keyboard module 303 is electrically connected to a control unit in the keyboard host 302, and the keyboard module 303 serves as an input device of the notebook computer 300.
In other embodiments, characters or operation instructions can be input by using keys through a key touch keyboard, and cursor movement or multi-gesture operation can be controlled in a touch mode. Specifically, the display 301 and the key touch keyboard may be placed at a predetermined distance from each other for use, and the display 301 and the key touch keyboard may be wirelessly connected through a wireless signal (e.g., a bluetooth signal), so that a user may arbitrarily adjust the placement position of the key touch keyboard according to personal use habits. In the embodiment of the present application, the key touch keyboard may be, for example, a wireless keyboard.
It will be appreciated that the display 301 and the touch-tone keypad may be interconnected via a communications network to enable wireless signal interaction. The communication network may be, but is not limited to: a close-range communication network such as a WI-FI hotspot network, a WI-FI peer-to-peer (P2P) network, a bluetooth network, a zigbee network, or a Near Field Communication (NFC) network. The touch-tone keyboard 10 can provide input to the notebook computer 300, and the notebook computer 300 performs an operation in response to the input based on the input of the touch-tone keyboard.
In order to implement the shooting function, the notebook computer 300 may further include: the camera assembly 100, with continued reference to fig. 3, the camera assembly 100 may include a front camera assembly 100a and a rear camera assembly (not shown). The rear camera shooting assembly can be arranged on one surface of the display 301, which is far away from the keyboard host 302, an opening is formed in the display 301, and a lens of the rear camera shooting assembly corresponds to the opening. The display 301 may be provided with mounting holes (not shown) for mounting a part of the rear camera module. The front camera module 100a may be disposed on a surface of the middle metal plate 222 facing the display 301, or the front camera module 100a may be disposed on a surface of the display 301 facing the keyboard host 302, and an opening for exposing a lens end of the front camera module 100a is opened on the display 301.
In the embodiment of the present application, the positions where the front camera assembly 100a and the rear camera assembly are disposed may include, but are not limited to, the above description. In some embodiments, the number of the front camera assemblies 100a and the rear camera assemblies disposed in the notebook computer 300 may be 1 or N, where N is a positive integer greater than or equal to 1.
It is to be understood that the illustrated structure of the embodiment of the present application does not specifically limit the mobile phone 200 and the notebook computer 300. In other embodiments of the present application, the cell phone 200 and the notebook computer 300 may include more or fewer components than those shown, or some components may be combined, some components may be separated, or different arrangements of components may be provided. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
In the embodiment of the present application, referring to fig. 4, the camera module 100 may include: the camera assembly 100 may include at least: camera module 20 and set up the material layer 10 on camera module 20, specifically, material layer 10 can include: the liquid crystal display device includes a polymer dispersed liquid crystal layer 101, a first electrode layer 102, and a second electrode layer 103, which are stacked, wherein one of the first electrode layer 102 and the second electrode layer 103 may be located on a surface of the polymer dispersed liquid crystal layer 101 facing the camera module 20, and the other of the first electrode layer 102 and the second electrode layer 103 may be located on a surface of the polymer dispersed liquid crystal layer 101 facing away from the camera module 20.
Thus, when the user does not use the image pickup device 100, the polymer dispersed liquid crystal layer 101 is in a power-off state, the polymer dispersed liquid crystal layer 101 presents a white frosted appearance, and the image pickup device 100 cannot clearly photograph. When the user need use subassembly 100 of making a video recording, to polymer dispersed liquid crystal layer 101 circular telegram, polymer dispersed liquid crystal layer 101 becomes transparent state, subassembly 100 of making a video recording can normal daylighting, like this, can realize shielding the function to the automation of making a video recording module 20, has avoided needing manual operation to shelter from the camera among the prior art, the poor problem of convenience.
It is understood that the material used for the polymer dispersed liquid crystal layer 101 is Polymer Dispersed Liquid Crystal (PDLC), and in particular, the PDLC is a liquid crystal dispersed in micron-sized droplets in an organic solid polymer matrix, and since the optical axis of the droplets formed by liquid crystal molecules is in a free orientation, the refractive index of the droplets is not matched with that of the matrix, and light is strongly scattered by the droplets while passing through the matrix to be in an opaque milky white state or a translucent state.
That is, in the PDLC system, nematic liquid crystals are uniformly dispersed in micron-sized droplets in a solid organic polymer matrix, and the optical axis of each droplet is preferentially oriented and the optical axes of all the fine particles are in a disordered orientation state without application of voltage. Since liquid crystals are materials with strong optical and dielectric anisotropy, and their effective refractive index does not match (differ significantly from) that of the matrix, the incident light can be strongly scattered to be in an opaque or semitransparent milky state. When an external electric field is applied, the optical axis directions of the nematic liquid crystal molecules are uniformly along the electric field direction, the ordinary refractive index of the liquid crystal particles is matched with the refractive index of the matrix to a certain degree, and light can penetrate through the matrix to be in a transparent or semitransparent state. When the external electric field is removed, the liquid crystal particles are restored to the original scattering state under the action of the elastic energy of the matrix, so that the polymer dispersed liquid crystal film has the electrically controlled optical switching characteristic under the action of the electric field.
In addition, in the embodiment of the present application, the thickness of the polymer dispersed liquid crystal layer 101 may be greater than or equal to 1um, and the thickness of the polymer dispersed liquid crystal layer 101 may be less than or equal to 4 um. For example, the thickness of the polymer dispersed liquid crystal layer 101 may be 1um, 3um, or 4um, and the like, which is not limited in the embodiment of the present application.
It should be noted that the numerical values and numerical ranges referred to in this application are approximate values, and there may be some error due to the manufacturing process, and the error may be considered to be negligible by those skilled in the art.
In one possible implementation, the first electrode layer 102 and the second electrode layer 103 may be transparent conductive layers. Since the first electrode layer 102 and the second electrode layer 103 are transparent conductive layers, the first electrode layer 102 and the second electrode layer 103 can be prevented from interfering with the haze and the transmittance change state of the polymer dispersed liquid crystal layer 101.
For example, the material used for the first electrode layer 102 and the second electrode layer 103 may be Indium Tin Oxide (ITO). The indium tin oxide is a mixture, is prepared by mixing 90% of In2O3 and 10% of SnO2, and is mainly used for manufacturing liquid crystal displays, flat panel displays, plasma displays, touch screens, electronic paper, organic light emitting diodes, solar cells, antistatic coatings, transparent conductive coatings, various optical coatings and the like.
Alternatively, in some embodiments, the material used for the first electrode layer 102 and the second electrode layer 103 may also be a transparent conductive material such as a nano silver paste or a metal oxide.
In the embodiment of the present application, the thickness of the first electrode layer 102 may be greater than or equal to 5nm, and the thickness of the first electrode layer 102 may be less than or equal to 20 nm. For example, the thickness of the first electrode layer 102 may be 8nm, 10nm, or 15nm, which is not limited in the embodiments of the present application.
The thickness of the second electrode layer 103 may be 5nm or more, and the thickness of the second electrode layer 103 may be 20nm or less. For example, the thickness of the second electrode layer 103 may be 8nm, 10nm, or 15nm, which is not limited in the embodiments of the present application.
It should be noted that, in the embodiment of the present application, the arrangement manner of the first electrode layer 102 and the second electrode layer 103 includes, but is not limited to, the following two possible implementation manners:
one possible implementation is: referring to fig. 4, the first electrode layer 102 is located on a surface of the polymer dispersed liquid crystal layer 101 facing the camera module 20, and the second electrode layer 103 is located on a surface of the polymer dispersed liquid crystal layer 101 facing away from the camera module 20.
Another possible implementation is: (not shown) the second electrode layer 103 is located on a side of the polymer dispersed liquid crystal layer 101 facing the camera module 20, and the first electrode layer 102 is located on a side of the polymer dispersed liquid crystal layer 101 facing away from the camera module 20.
Referring to fig. 5, in the embodiment of the present application, the material layer 10 may further include: a protective film layer 104, wherein the first electrode layer 102 may be located between the protective film layer 104 and the polymer dispersed liquid crystal layer 101. In this way, the protective film 104 can protect the material layer 10 from external conditions or factors.
In one possible implementation manner, the material used for the protection film layer 104 may be polyethylene terephthalate (PET). It should be noted that the molecular structure of the PET plastic is highly symmetrical, and has a certain crystal orientation capability, so that the PET plastic has high film forming property and formability. The PET plastic has good optical performance and weather resistance, and the amorphous PET plastic has good optical transparency. In addition, the PET plastic has excellent abrasion and friction resistance, dimensional stability and electrical insulation.
Alternatively, in some embodiments, the material used for the protective film layer 104 may also be Cyclic Olefin Polymer (COP). COP is amorphous homopolymer formed by ring opening and ectopic polymerization of bicycloheptene (norbornene) under the action of metallocene catalyst and hydrogenation reaction, and can be applied to medical optical parts and high-end medicine packaging materials.
Alternatively, in some other embodiments, the material used for the protection film layer 104 may also be Polyimide (PI). PI is one of organic polymer materials with the best comprehensive performance, resists high temperature of more than 400 ℃, and has high insulating property.
It is understood that, in the embodiment of the present application, the protective film 104 may also be a film formed of other materials having a protective effect, and the embodiment of the present application is not limited herein and is not limited to the above examples.
It is understood that, in the embodiment of the present application, the thickness of the protection film layer 104 may be greater than or equal to 15um, and the thickness of the protection film layer 104 may be less than or equal to 200 um. For example, the thickness of the protective film layer 104 may be 15um, 25um, or 100um, etc., which is not limited in this application.
In addition, in the embodiment of the present application, referring to fig. 6, the material layer 10 may further include: a substrate layer 105, wherein the protective film layer 104 is located between the substrate layer 105 and the second electrode layer 103. At this time, the substrate layer 105 can also play a role of protection, so as to prevent external conditions or factors from affecting the material layer 10, for example, external scratches or knocks from damaging the material layer 10.
As an optional embodiment, the substrate layer 105 may be made of glass. Alternatively, in some other embodiments, the substrate layer 105 may also be made of other transparent materials, which is not limited in this application.
Note that when the polymer dispersed liquid crystal layer 101 is in the power-off state, the optical axes of the small droplets of liquid crystal molecules in the polymer dispersed liquid crystal layer 101 are in a free orientation, and the refractive index of the polymer dispersed liquid crystal layer 101 does not match the refractive index of the substrate layer 105, so that light is strongly scattered by the droplets when passing through the substrate layer 105 to be in an opaque milky white state or a translucent state in the polymer dispersed liquid crystal layer 101. When the polymer dispersed liquid crystal layer 101 is in the power-off state, the electric field may adjust the optical axis orientation of liquid crystal droplets inside the polymer dispersed liquid crystal layer 101, and when the refractive index of the polymer dispersed liquid crystal layer 101 matches the refractive index of the substrate layer 105, the polymer dispersed liquid crystal layer 101 assumes a transparent state.
In one possible implementation, as shown with continued reference to fig. 6, the substrate layer 105 and the protective film layer 104 may be connected by an adhesive layer 106.
The Adhesive layer 106 may be an Optical Clear Adhesive (OCA), among others. The OCA optical cement is a special adhesive for cementing a transparent optical element (e.g., a lens). The OCA optical adhesive has the characteristics of colorless transparency, light transmittance of over 90 percent, good bonding strength, capability of being cured at room temperature or middle temperature, small curing shrinkage and the like. The OCA optical adhesive is one of important raw materials in a touch screen, is prepared by manufacturing an optical acrylic adhesive into a non-base material, and then respectively attaching a layer of release film to an upper bottom layer and a lower bottom layer, and is a double-sided adhesive tape without a base material.
It is understood that in the embodiment of the present application, the thickness of the adhesive layer 106 may be equal to or greater than 15um, and the thickness of the adhesive layer 106 may be equal to or less than 50 um. For example, the thickness of the adhesive layer 106 may be 15um, 25um, or 38um, etc., which is not limited in this application.
In some embodiments, the camera assembly 100 provided in the embodiments of the present application may further include: a voltage control circuit (not shown), wherein the first electrode layer 102 and the second electrode layer 103 can be electrically connected to the voltage control circuit. The voltage control circuit is electrically connected to the first electrode layer 102 and the second electrode layer 103, that is, the voltage control circuit applies a voltage to the polymer dispersed liquid crystal layer 101 through the first electrode layer 102 and the second electrode layer 103, so that the polymer dispersed liquid crystal layer 101 gradually changes from a high haze state to a low haze transparent state during a gradually increasing voltage, and the polymer dispersed liquid crystal layer 101 gradually changes from the low haze transparent state to the high haze state during a gradually decreasing voltage, by using the characteristics of the polymer dispersed liquid crystal layer 101, that is, the voltage control circuit is used to adjust the haze and the transmittance of the polymer dispersed liquid crystal layer 101.
In one possible implementation, the light transmittance of the polymer dispersed liquid crystal layer 101 in the power-off state of the first electrode layer 102 and the second electrode layer 103 is lower than 20%, and the light transmittance of the polymer dispersed liquid crystal layer 101 in the power-on state of the first electrode layer 102 and the second electrode layer 103 is higher than 85%.
The light transmittance of the polymer dispersed liquid crystal layer 101 is lower than 20%, that is, the polymer dispersed liquid crystal layer 101 can be guaranteed to have a white frosted appearance, and the light transmittance of the polymer dispersed liquid crystal layer 101 is higher than 85%, that is, the polymer dispersed liquid crystal layer 101 can be guaranteed to be in a transparent state, so that the polymer dispersed liquid crystal layer 101 can be guaranteed to have a white frosted appearance in a power-off state of the first electrode layer 102 and the second electrode layer 103, and the camera module 100 cannot take a picture clearly. When the first electrode layer 102 and the second electrode layer 103 are in the energized state, the polymer dispersed liquid crystal layer 101 is in the transparent state, and the image pickup assembly 100 can normally collect light, so that the automatic shielding function of the image pickup module 20 can be realized.
For example, in the embodiment of the present application, the light transmittance of the polymer dispersed liquid crystal layer 101 in the power-off state of the first electrode layer 102 and the second electrode layer 103 may be 15%, 10%, or 5%, and the light transmittance of the polymer dispersed liquid crystal layer 101 in the power-on state of the first electrode layer 102 and the second electrode layer 103 may be 90%, 95%, or 100%, and the like, and the embodiment of the present application is not limited thereto.
As shown in fig. 7, in the embodiment of the present application, the camera module 20 may include: a module body 201 and a lens 202 connected to the module body 201, and a material layer 10 is disposed on an outer surface of the lens 202.
By disposing the material layer 10 on the outer surface of the lens 202 of the camera module 20, one of the first electrode layer 102 and the second electrode layer 103 is located on the surface of the polymer dispersed liquid crystal layer 101 facing the lens 202 of the camera module 20, and the other of the first electrode layer 102 and the second electrode layer 103 is located on the surface of the polymer dispersed liquid crystal layer 101 facing away from the lens 202 of the camera module 20, when the user does not use the camera module 100, the polymer dispersed liquid crystal layer 101 is in a power-off state, the polymer dispersed liquid crystal layer 101 presents a white frosted appearance, the camera module 100 cannot shoot clearly, when the user needs to use the camera module 100, the polymer dispersed liquid crystal layer 101 is powered on, the polymer dispersed liquid crystal layer 101 becomes a transparent state, and the camera module 100 can collect light normally, so that an automatic shielding function for the lens 202 of the camera module 20 can be realized.
In addition, it should be understood that the material layer 10 in the embodiment of the present application is not limited to shielding the camera module 20, and may also be applied to other application scenarios that need to be shielded, and the embodiment of the present application is not limited thereto.
In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.
Reference throughout this specification to apparatus or components, in embodiments or applications, means or components must be constructed and operated in a particular orientation and therefore should not be construed as limiting the present embodiments. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically stated otherwise.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the embodiments of the application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "may include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and not for limiting the same, and although the embodiments of the present application are described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, and the modifications or the replacements may not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (17)
1. A camera assembly, comprising at least:
the camera shooting device comprises a camera shooting module and a material layer arranged on the camera shooting module;
the material layer includes: the camera module comprises a polymer dispersed liquid crystal layer, a first electrode layer and a second electrode layer which are stacked, wherein one of the first electrode layer and the second electrode layer is located on one surface, facing the camera module, of the polymer dispersed liquid crystal layer, and the other one of the first electrode layer and the second electrode layer is located on one surface, facing away from the camera module, of the polymer dispersed liquid crystal layer.
2. The camera assembly of claim 1, wherein the camera module comprises: the camera module comprises a module body and a lens connected with the module body;
the material layer is located on an outer surface of the lens.
3. The camera assembly of claim 1 or 2, further comprising: a voltage control circuit; the first electrode layer and the second electrode layer are both electrically connected with the voltage control circuit.
4. The camera assembly of any of claims 1-3, wherein the polymer dispersed liquid crystal layer has a light transmittance of less than 20% in the de-energized state of the first electrode layer and the second electrode layer;
the light transmittance of the polymer dispersed liquid crystal layer is higher than 85% when the first electrode layer and the second electrode layer are in a power-on state.
5. The camera assembly of any of claims 1-4, wherein the polymer dispersed liquid crystal layer has a thickness of 1um or more and 4um or less.
6. The camera assembly of any of claims 1-5, wherein the first electrode layer and the second electrode layer are transparent conductive layers.
7. The camera module of claim 6, wherein the material used for the first electrode layer and the second electrode layer is indium tin oxide.
8. The image pickup assembly according to any one of claims 1 to 7, wherein the thickness of the first electrode layer is 5nm or more, and the thickness of the first electrode layer is 20nm or less;
the thickness of the second electrode layer is greater than or equal to 5nm, and the thickness of the second electrode layer is less than or equal to 20 nm.
9. A camera assembly according to any one of claims 1 to 8, wherein the first electrode layer is located on a side of the polymer dispersed liquid crystal layer facing the camera module, and the second electrode layer is located on a side of the polymer dispersed liquid crystal layer facing away from the camera module.
10. The camera assembly of claim 9, wherein the material layer further comprises: a protective film layer; the second electrode layer is located between the protective film layer and the polymer dispersed liquid crystal layer.
11. The camera assembly of claim 10, wherein the protective film layer is made of polyethylene terephthalate.
12. The image pickup assembly according to claim 10 or 11, wherein the thickness of the protective film layer is equal to or greater than 15um, and the thickness of the protective film layer is equal to or less than 200 um.
13. The camera assembly of any of claims 10-12, wherein the material layer further comprises: a substrate layer; the protective film layer is located between the substrate layer and the second electrode layer.
14. The camera module of claim 13, wherein the substrate layer and the protective film layer are connected by an optical adhesive.
15. An electronic device, characterized in that it comprises at least: the display screen and the rear shell are respectively positioned on two sides of the middle frame;
further comprising: at least one camera assembly according to any one of claims 1 to 14; the camera shooting assembly is arranged on the middle frame, and a lens of the camera shooting assembly faces towards the display screen or the rear shell.
16. The electronic device of claim 15, wherein the camera assembly is a front camera assembly or the camera assembly is a rear camera assembly.
17. The electronic device of claim 16, wherein the number of camera assemblies is two, one of the camera assemblies being a rear camera assembly and the other camera assembly being a front camera assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926109.8A CN113805402A (en) | 2021-08-12 | 2021-08-12 | Camera shooting assembly and electronic equipment |
| PCT/CN2022/091043 WO2023015976A1 (en) | 2021-08-12 | 2022-05-05 | Camera assembly and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110926109.8A CN113805402A (en) | 2021-08-12 | 2021-08-12 | Camera shooting assembly and electronic equipment |
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| CN113805402A true CN113805402A (en) | 2021-12-17 |
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| CN202110926109.8A Pending CN113805402A (en) | 2021-08-12 | 2021-08-12 | Camera shooting assembly and electronic equipment |
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| WO (1) | WO2023015976A1 (en) |
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| WO2023015976A1 (en) * | 2021-08-12 | 2023-02-16 | 荣耀终端有限公司 | Camera assembly and electronic device |
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Application publication date: 20211217 |