CN114236895A - LCD display assembly and display device - Google Patents
LCD display assembly and display device Download PDFInfo
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- CN114236895A CN114236895A CN202111545328.8A CN202111545328A CN114236895A CN 114236895 A CN114236895 A CN 114236895A CN 202111545328 A CN202111545328 A CN 202111545328A CN 114236895 A CN114236895 A CN 114236895A
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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
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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
- G02F1/13338—Input devices, e.g. touch panels
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The application provides an LCD display component and a display device, relates to the technical field of display, and is used for solving the problem that the LCD display component cannot realize an off-screen camera; the backlight assembly comprises a first backlight module and a second backlight module, the first backlight module is provided with a light through hole penetrating through the first backlight module, and the light through hole and the camera assembly are oppositely arranged; the second backlight module is movably arranged relative to the first backlight module so as to switch between a blocking position covering the light through hole and an avoiding position not blocking the light through hole, and when the second backlight module is positioned at the blocking position, the first backlight module and the second backlight module jointly provide a backlight source for the liquid crystal display panel. The display device comprises the LCD display component. The application can realize the camera under the screen, thereby improving the screen ratio of the display device.
Description
Technical Field
The application relates to the technical field of display, in particular to an LCD display assembly and a display device.
Background
With the rapid development of terminal devices, full screen display has become the development trend of mobile phones and other terminal devices. In order to realize full-screen display, a photosensitive element such as a camera is generally disposed below a display panel to form an off-screen camera. However, since the LCD liquid crystal display panel does not emit light, the LCD liquid crystal display panel needs a backlight layer to display, and the backlight layer can process light, so that the camera cannot normally image through the backlight layer, and the LCD liquid crystal display device cannot realize an off-screen camera.
Disclosure of Invention
In view of the foregoing problems, embodiments of the present application provide an LCD display module and a display device, which can implement an off-screen camera, thereby improving the screen ratio of the LCD display device.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
in a first aspect, an embodiment of the present application provides an LCD display assembly, including: the backlight assembly is arranged between the camera assembly and the liquid crystal display panel; the backlight assembly comprises a first backlight module and a second backlight module, the first backlight module is provided with a light through hole penetrating through the first backlight module, and the light through hole and the camera assembly are oppositely arranged; the second backlight module is movably arranged relative to the first backlight module so as to switch between a blocking position covering the light through hole and an avoiding position not blocking the light through hole, and when the second backlight module is located at the blocking position, the first backlight module and the second backlight module jointly surround the liquid crystal display panel to provide backlight light sources.
As an optional implementation manner, the LCD display assembly further includes a driving assembly, and the driving assembly is connected to the second backlight module to drive the second backlight module to switch between the blocking position and the avoiding position.
As an optional implementation manner, the driving assembly includes a driving member and at least one telescopic member, one end of the telescopic member is connected to the driving member, the other end of the telescopic member is connected to the second backlight module, and the driving member drives the telescopic member to contract or extend, so as to drive the second backlight module to switch between the blocking position and the avoiding position.
As an alternative embodiment, the driving member is a magnetic coil; and/or the telescopic piece is a telescopic spring.
As an optional implementation manner, the first backlight module comprises a backlight plate and a polarizer, the polarizer is arranged between the liquid crystal display panel and the backlight plate, and the light through hole penetrates through the backlight plate and the polarizer; the second backlight module comprises a position supplementing backlight plate and a position supplementing polaroid, the position supplementing polaroid is arranged on one side, deviating from the camera assembly, of the position supplementing backlight plate, and the position supplementing backlight plate and the position supplementing polaroid cover the shielding position of the light through hole and the avoiding position of the light through hole without shielding.
As an optional implementation manner, the second backlight module further includes at least one LED light source, and the LED light source is disposed on a side of the supplementary backlight plate facing the camera assembly.
As an optional implementation manner, the camera assembly includes an infrared camera, and the infrared camera is disposed opposite to the light through hole.
As an optional implementation manner, an infrared light source is further arranged on the backlight plate, and the infrared light source is used for supplementing light to the infrared camera.
As an optional implementation manner, the LCD display assembly further includes a controller, and the controller is electrically connected to the camera assembly and the second backlight module, respectively.
In a second aspect, an embodiment of the present application further provides a display device, which includes the LCD display module provided in the first aspect.
Compared with the related art, the LCD display component and the display device provided by the embodiment of the application have at least the following advantages:
in the LCD display assembly provided in the embodiment of the present application, the backlight assembly is disposed between the camera assembly and the liquid crystal display panel, wherein the backlight assembly includes a first backlight module and a second backlight module, the first backlight module has a light through hole penetrating through the first backlight module, the light through hole and the camera assembly are disposed opposite to each other, the second backlight module is movably disposed relative to the first backlight module so as to switch between a blocking position covering the light through hole and an avoiding position blocking the light through hole, and when the second backlight module is located at the blocking position, the first backlight module and the second backlight module jointly provide a backlight source for the liquid crystal display panel, so that the liquid crystal display panel can normally display; and when second backlight unit was located dodges the position, light can pass liquid crystal display panel and realize the formation of image in the via light hole got into the camera subassembly to make LCD display module can realize the camera under the screen, improve the screen and account for the ratio, and the preparation yield is high, and is with low costs.
In addition to the technical problems solved by the embodiments of the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems that can be solved by the LCD display module and the display device provided by the embodiments of the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic top view of an LCD display assembly according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is a schematic diagram of a normal display structure of an LCD display module according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an LCD display module according to an embodiment of the present disclosure in a photographing state.
Reference numerals:
100-LCD display assembly;
110-a liquid crystal display panel;
120-a backlight assembly;
121-a first backlight module;
1211-clear aperture;
1212-a backlight panel;
122-a second backlight module;
1221-complement backlight panel;
1222-complement polarizer;
1223-LED light sources;
130-a camera assembly;
131-an infrared light source;
140-a drive assembly;
141-a drive member;
142-a telescoping member;
150 — a first control interface;
160-a second control interface;
170-encapsulating the cover plate.
Detailed Description
Before describing the embodiments of the present application, in order to facilitate understanding of the technical solutions of the present application, explanation will be made on the substrate concepts and terms related to the embodiments of the present application:
the Liquid Crystal Display (LCD) is constructed by placing a Liquid Crystal box between two parallel glass substrates, arranging a thin film transistor on the lower glass substrate, arranging a color filter on the upper glass substrate, and controlling the rotation direction of Liquid Crystal molecules by changing signals and voltages on the thin film transistor, thereby controlling whether polarized light of each pixel point is emitted or not to achieve the purpose of Display.
An Organic Light-emitting Diode (OLED) has a self-Light emitting characteristic, and a very thin Organic material coating and a glass substrate are used, so that when a current flows through the Organic material coating and the glass substrate, the Organic material emits Light.
With the rapid development of terminal devices, full screen display has become the development trend of mobile phones and other terminal devices. In order to realize full-screen display, photosensitive elements such as a camera are generally arranged below a display panel to form a camera under the screen, in the related art, photosensitive elements such as a camera of a mobile terminal such as a mobile phone are generally arranged below an OLED display panel to realize the camera under the screen, so that the screen occupation ratio is improved, but compared with an LCD liquid crystal display panel, the OLED display panel has the advantages of low manufacturing yield and high cost, and the LCD liquid crystal display panel has the advantages of high manufacturing yield and low cost.
In order to solve the above problems, an embodiment of the present application provides an LCD display assembly, where a backlight assembly is disposed between a camera assembly and a liquid crystal display panel, where the backlight assembly includes a first backlight module and a second backlight module, the first backlight module has a light-passing hole penetrating through the first backlight module, the light-passing hole is disposed opposite to the camera assembly, the second backlight module is movably disposed relative to the first backlight module to switch between a blocking position covering the light-passing hole and an avoiding position blocking the light-passing hole, and when the second backlight module is located at the blocking position, the first backlight module and the second backlight module provide a backlight source for the liquid crystal display panel together, so that the liquid crystal display panel can normally display; and when second backlight unit was located dodges the position, light can pass liquid crystal display panel and realize the formation of image in the via light hole got into the camera subassembly to make LCD display module can realize the camera under the screen, improve the screen and account for the ratio, and the preparation yield is high, and is with low costs.
In order to make the aforementioned objects, features and advantages of the embodiments of the present application more comprehensible, embodiments of the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
FIG. 1 is a schematic top view of an LCD display assembly according to an embodiment of the present application; FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view of a portion of FIG. 2 at B; FIG. 4 is a schematic diagram of a normal display structure of an LCD display module according to an embodiment of the present disclosure; fig. 5 is a schematic structural diagram of an LCD display module according to an embodiment of the present disclosure in a photographing state. Referring to fig. 1 to 5, an LCD display assembly 100 according to an embodiment of the present disclosure includes: a liquid crystal display panel 110, a backlight assembly 120, and a camera assembly 130, the backlight assembly 120 being disposed between the camera assembly 130 and the liquid crystal display panel 110.
The liquid crystal display panel 110 is further provided with a package cover plate 170 on a side thereof away from the backlight assembly 120, and the package cover plate 170 can be attached to the liquid crystal display panel 110 through a transparent optical adhesive.
As shown in fig. 2, the backlight assembly 120 includes a first backlight module 121 and a second backlight module 122, the first backlight module 121 has a light hole 1211 penetrating through the first backlight module 121, and the light hole 1211 is opposite to the camera assembly 130; it can be understood that the second backlight module 122 is movably disposed relative to the first backlight module 121 to switch between a blocking position covering the light passing hole 1211 and an avoiding position not blocking the light passing hole 1211, and when the second backlight module 122 is located at the blocking position, the first backlight module 121 and the second backlight module 122 jointly provide a backlight source for the liquid crystal display panel 110.
The light-passing hole 1211 may be a hole having any shape, such as a circular shape, a positive direction, an oval shape, etc., as long as it can allow light to enter the camera assembly 130, and this embodiment is not particularly limited.
It can be understood that, when the liquid crystal display panel 110 in the LCD display assembly 100 needs to display normally, as shown in fig. 4, the second backlight module 122 moves to the blocking position covering the light passing hole 1211 relative to the first backlight module 121, so that the second backlight module 122 and the first backlight module 121 together form a backlight layer in the LCD display assembly 100, and provide a backlight source for the liquid crystal display panel 110, thereby enabling the liquid crystal display panel 110 to display normally.
When the camera assembly 130 in the LCD display assembly 100 needs to take a picture, as shown in fig. 5, the second backlight module 122 can move to an avoiding position of the unblocked light hole 1211 relative to the first backlight module 121, so that light reflected by an object shot by the camera assembly 130 passes through the package cover 170 and the liquid crystal display panel 110 and enters the camera assembly 130 through the unblocked light hole 1211, so that the camera assembly 130 can image to take a picture normally.
Therefore, in the above scheme, by switching the second backlight module 122 between the blocking position covering the light through hole 1211 and the avoiding position not blocking the light through hole 1211 relative to the first backlight module 121, the LCD display module 100 can realize an off-screen camera under the condition that the normal display of the liquid crystal display panel 110 is satisfied, so that the screen occupation ratio of the LCD display module 100 is improved, and the manufacturing yield is high and the cost is low.
It is understood that the camera assembly 130 includes one or more cameras, which are configured according to the specific functions of the mobile terminal, and in order to improve the light transmittance, the cameras may be infrared cameras; of course, the camera may also be a camera of other specifications or models, and therefore, the embodiment of the present application is not particularly limited.
The camera assembly 130 may include one camera or a plurality of cameras to meet different photographing requirements, and may be specifically set according to the requirements of the display device.
Wherein, the camera of light has the camera of other structures of good penetrability when the camera can be infrared camera or shoot, to this, this application embodiment does not do specific restriction.
The LCD display assembly 100 further includes a driving assembly 140, and the driving assembly 140 is connected to the second backlight module 122 to drive the second backlight module 122 to switch between the shielding position and the avoiding position.
With continued reference to fig. 4 and fig. 5, it can be understood that the driving assembly 140 drives the second backlight module 122 to switch between the blocking position covering the light passing hole 1211 and the avoiding position not blocking the light passing hole 1211, so as to realize the automatic switching of the LCD display assembly 100 in the display and photographing modes, and improve the automation degree thereof.
In one embodiment, the driving assembly 140 includes a driving member 141 and at least one telescopic member 142, one end of the telescopic member 142 is connected to the driving member 141, the other end of the telescopic member 142 is connected to the second backlight module 122, and the driving member 141 can drive the telescopic member 142 to contract or extend, so that the telescopic member 142 can drive the second backlight module 122 to switch between the shielding position and the avoiding position, thereby switching the liquid crystal display panel 110 between the normal display function and the normal photographing function.
As an alternative embodiment, the driving member 141 may be an electromagnet, and the extensible member 142 may be a flexible rod or a flexible spring made of soft magnetic material, so that when the driving member 141 is powered on, an electromagnetic force is generated, which can attract the extensible member 142 to be in a contracted state, so that the extensible member 142 drives the second backlight module 122 to move to an avoiding position where the light passing hole 1211 is not blocked; when the driving member 141 is powered off, the electromagnetic force disappears, and the retractable member 142 is in a free extension state, so that the retractable member 142 drives the second backlight module 122 to move to the blocking position covering the light-passing hole 1211. Wherein the soft magnet may be a ferrous or steel piece or the like that can be magnetized.
Optionally, the driving member 141 is a magnetic coil made of an electromagnet, wherein the number of turns of the coil is different, the magnitude of the magnetic force generated by the coil is different, the number of turns of the magnetic coil can be adaptively set according to actual requirements, and the extensible member 142 is an extensible spring, wherein the extensible spring can be one, or can be two or more than two, as long as the second backlight module 122 can be driven to shift between the blocking position and the avoiding position, and therefore, the embodiment is not specifically limited.
Specifically, the magnetic coil is connected to the retractable spring, when the magnetic coil is powered on, the retractable spring pulls the second backlight module 122 to move to the avoiding position, so that the reflected light of the object photographed by the camera assembly 130 penetrates through the cover plate and enters the camera assembly 130 through the light through 1211 to realize photographing, and when the magnetic coil is powered off, the retractable spring releases its own elastic force, which drives the second backlight module 122 to move to the blocking position, so that the second backlight module 122 and the first backlight module 121 together become the backlight source of the liquid crystal display panel 110.
In addition, as shown in fig. 3, the first backlight module 121 includes a backlight plate 1212 and a polarizer, the polarizer is disposed between the liquid crystal display panel 110 and the backlight plate 1212, and the light passing hole 1211 penetrates through the backlight plate 1212 and the polarizer, while the second backlight module 122 includes a supplementary backlight plate 1221 and a supplementary polarizer 1222, the supplementary polarizer 1222 is disposed on a side of the supplementary backlight plate 1221 away from the camera assembly 130, and the supplementary backlight plate 1221 and the supplementary polarizer 1222 are switched between a blocking position covering the light passing hole 1211 and an avoiding position not blocking the light passing hole 1211.
It can be understood that when the padding polarizer 1222 and the padding backlight plate 1221 are switched to the blocking position covering the light passing hole 1211, the padding backlight plate 1221 and the backlight plate 1212 together provide a backlight source for the liquid crystal display panel 110, so that the liquid crystal display panel 110 can display normally, and the light passing hole 1211 penetrates through the polarizer, so as to improve the light penetration, thereby improving the photographing effect of the camera assembly 130.
The backlight 1212 and the complementary backlight 1221 are provided with at least one Light source on a side facing the camera assembly 130, where the Light source may be an LED (Light Emitting Diode) Light source, for example, the LED Light source 1223 is an LED Emitting lamp.
In one embodiment, camera assembly 130 includes an infrared camera positioned opposite light pass aperture 1211.
It can be understood that the infrared camera has stronger penetrability, so that the obtained image picture is clearer. In addition, in order to avoid the poor light and influence the effect of shooing of infrared camera, in this application embodiment, be equipped with infrared light source 131 on the board 1212 that is shaded, infrared light source 131 is used for carrying out the light filling to infrared camera to improve infrared camera's the effect of shooing.
For example, the infrared light source 131 may be an infrared emission lamp, and thus, in an environment where light is insufficient, light can be supplemented to the infrared camera through the infrared emission lamp to improve the photographing definition of the infrared camera, thereby improving the photographing effect of the infrared camera.
On the basis of the above embodiments, the LCD display assembly 100 further includes a controller electrically connected to the camera assembly 130 and the driving assembly 140, respectively.
It can be understood that, by providing the controller, the controller is electrically connected to the camera assembly 130 and the second backlight module 122, so that when the LCD display assembly 100 needs to open the camera assembly 130 for taking a picture, the controller controls the second backlight module 122 to move to the avoiding position where the light through hole 1211 is not blocked, and then the controller controls the camera assembly 130 for taking a picture; when the liquid crystal display panel 110 needs to display normally, the controller controls the second backlight module 122 to move to the blocking position covering the blocking clear aperture 1211, so that the second backlight module 122 covers the clear aperture 1211, and thus the second backlight module 122 and the first backlight module 121 together serve as a backlight source of the liquid crystal display panel 110, so that the liquid crystal display panel 110 can display normally.
It can be understood that the camera assembly 130 has a first control interface 150 connected to the controller, and the second backlight module 122 has a second control interface 160 connected to the controller, such that the controller can be electrically connected to the camera assembly 130 through the first control interface 150, and the second backlight module 122 can be electrically connected to the controller through the second control interface 160, so as to switch the second backlight module 122 between the shielding position and the avoiding position, so as to switch the LCD display assembly 100 between the normal display mode and the photographing mode.
Example two
The embodiment of the application also provides a display device, and the display device comprises the LCD display component provided by the first embodiment.
The structure and the operation principle of the LCD display module have been described in detail in the above embodiments, and are not described in detail herein.
The display device provided by the embodiment of the application can be a mobile phone, a tablet computer and other terminal equipment.
The LCD display component comprises a liquid crystal display panel, a backlight component and a camera component, wherein the backlight component is arranged between the camera component and the liquid crystal display panel, the backlight component comprises a first backlight module and a second backlight module, the first backlight module is provided with a light through hole penetrating through the first backlight module, the light through hole and the camera component are oppositely arranged, the second backlight module is movably arranged relative to the first backlight module so as to switch between a blocking position covering the light through hole and an avoiding position for blocking the light through hole, and when the second backlight module is positioned at the blocking position, the first backlight module and the second backlight module jointly provide a backlight light source for the liquid crystal display panel so that the liquid crystal panel can normally display; and when second backlight unit was located dodges the position, light can pass liquid crystal display panel and realize the formation of image in the via light hole got into the camera subassembly to make LCD display module can realize the camera under the screen, improve the screen and account for the ratio, and the preparation yield is high, and is with low costs.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do 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 (10)
1. An LCD display assembly, comprising: the backlight assembly is arranged between the camera assembly and the liquid crystal display panel;
the backlight assembly comprises a first backlight module and a second backlight module, the first backlight module is provided with a light through hole penetrating through the first backlight module, and the light through hole and the camera assembly are oppositely arranged;
the second backlight module is movably arranged relative to the first backlight module so as to switch between a blocking position covering the light through hole and an avoiding position not blocking the light through hole, and when the second backlight module is positioned at the blocking position, the first backlight module and the second backlight module jointly provide a backlight source for the liquid crystal display panel.
2. The LCD display assembly of claim 1, further comprising a driving assembly connected to the second backlight module to drive the second backlight module to switch between the blocking position and the avoiding position.
3. The LCD display assembly of claim 2, wherein the driving assembly comprises a driving member and at least one telescopic member, one end of the telescopic member is connected to the driving member, the other end of the telescopic member is connected to the second backlight module, and the driving member drives the telescopic member to contract or extend so as to drive the second backlight module to switch between the shielding position and the avoiding position.
4. The LCD display assembly of claim 3, wherein the driving member is an electromagnet; the telescopic piece is a telescopic spring made of soft magnet, and when the electromagnet is electrified, the electromagnet and the telescopic spring are mutually adsorbed, so that the telescopic spring is in a contracted state.
5. The LCD display assembly of any one of claims 1-4, wherein the first backlight module comprises a backlight panel and a polarizer, the polarizer is disposed between the liquid crystal display panel and the backlight panel, and the light through hole penetrates through the backlight panel and the polarizer; the second backlight module comprises a position supplementing backlight plate and a position supplementing polaroid, the position supplementing polaroid is arranged on one side, deviating from the camera assembly, of the position supplementing backlight plate, and the position supplementing backlight plate and the position supplementing polaroid cover the shielding position of the light through hole and the avoiding position of the light through hole without shielding.
6. The LCD display assembly of claim 5, wherein the second backlight module further comprises at least one LED light source disposed on a side of the complimentary backlight panel facing the camera assembly.
7. The LCD display assembly of claim 6, wherein the camera assembly comprises an infrared camera disposed opposite the light pass aperture.
8. The LCD display assembly of claim 7, wherein the backlight panel is provided with an infrared light source for supplementing light to the infrared camera.
9. The LCD display assembly of claim 2, further comprising a controller electrically connected to the camera assembly and the second backlight module, respectively.
10. A display device comprising an LCD display assembly according to any of claims 1 to 9.
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| CN202111545328.8A CN114236895A (en) | 2021-12-16 | 2021-12-16 | LCD display assembly and display device |
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| CN202111545328.8A CN114236895A (en) | 2021-12-16 | 2021-12-16 | LCD display assembly and display device |
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