CN111766740A - Display device - Google Patents
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- CN111766740A CN111766740A CN202010581999.9A CN202010581999A CN111766740A CN 111766740 A CN111766740 A CN 111766740A CN 202010581999 A CN202010581999 A CN 202010581999A CN 111766740 A CN111766740 A CN 111766740A
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- connecting rod
- backlight module
- display panel
- display
- display device
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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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- 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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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a display device, comprising: the display panel, the backlight module and the camera shooting assembly are oppositely arranged, and the camera shooting assembly is positioned on one side of the backlight module, which is far away from the display panel; the display panel comprises a first display area and a second display area arranged around the first display area, and the display panel comprises a substrate base plate; the backlight module comprises a first part and a second part arranged around the first part; in the direction perpendicular to the plane of the substrate base plate, orthographic projections of the first display area, the first part and the camera shooting assembly are at least partially overlapped; the first portion is a foldable component, and when the first portion is in a folded state, the first portion is folded towards a direction close to the second portion, so that a hollow-out area is formed at a position, corresponding to the first portion, of the backlight module. According to the invention, the first part is in the folded state during shooting so that the first display area has enough light transmittance, and the first part is in the unfolded state during displaying so as to provide enough backlight for the first display area, thereby realizing full-screen display on the premise of ensuring the shooting quality of the shooting assembly.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
At present, the requirement of a mobile phone screen on high screen ratio is increasing day by day, and the permeability of the current market on a full screen is close to 70%. The existing comprehensive screen is generally divided into two types, one type is a blind hole screen, a camera is placed in a reserved blind hole area in the screen, but the display effect in the blind hole is different from that in a normal display area; one is a lifting type camera, but the structure needs the response time of a camera mechanism when shooting, and the camera is not protected by a shell.
Adopt the blind hole screen for realizing comprehensive screen display is the development trend, and then need directly place the camera in liquid crystal display panel's below, and in order to guarantee display device quality of making a video recording, the camera corresponds regional high the penetrating that will realize, and backlight unit needs dig the hole in the camera district simultaneously. However, when displaying, the backlight module can not provide backlight, so that the display effect of the normal display area is different from that of the camera area, and the setting of the full screen of the display device can not be realized in the true sense.
Disclosure of Invention
In view of the above, the present invention provides a display device, including: the display panel and the backlight module are arranged oppositely, and the camera shooting assembly is positioned on one side of the backlight module, which is far away from the display panel;
the display panel comprises a first display area and a second display area arranged around the first display area, and the display panel comprises a substrate base plate; the backlight module comprises a first part and a second part arranged around the first part;
in a direction perpendicular to the plane of the substrate base plate, orthographic projections of the first display area, the first part and the camera assembly are at least partially overlapped;
the first portion is a foldable component, and when the first portion is in a folded state, the first portion is folded towards a direction close to the second portion, so that a hollow area is formed at a position, corresponding to the first portion, of the backlight module.
Optionally, the display device includes a camera shooting stage, and in the camera shooting stage, the first portion is in a folded state while the camera shooting assembly moves to the hollowed-out area for shooting.
Optionally, the display panel further comprises a connector, the connector is located on a side of the image pickup assembly close to and away from the display panel, and an orthographic projection of the connector on a plane of the substrate base plate at least partially overlaps with an orthographic projection of the first portion on the plane of the substrate base plate;
the connector comprises a sensor, a first connecting rod and a second connecting rod;
one end of the first connecting rod is connected with the sensor, and the other end of the first connecting rod is connected with the first part;
one end of the second connecting rod is connected with the sensor, and the other end of the second connecting rod is connected with the second part;
the first connecting rod, the second connecting rod and the sensor are retractable connecting rods;
in the image pickup stage, the first connecting rod and the second connecting rod contract towards the direction close to the display panel.
Optionally, the first portion includes a first portion a and a first portion b, and the first portion a and the first portion b are folded towards a direction close to the second portion respectively so that a hollow area is formed at a position of the backlight module corresponding to the first portion.
Optionally, the connector includes a first connector and a second connector, and the first connector and the second connector are located on two sides of the first portion in a direction perpendicular to a plane of the substrate base plate;
the first connector comprises a first sensor, a first connecting rod A and a second connecting rod A, one end of the first connecting rod A is connected with the first sensor, the other end of the first connecting rod A is connected with the first part A, one end of the first connecting rod B is connected with the first sensor, and the other end of the first connecting rod B is connected with the second part;
the second connector comprises a second sensor, a second connecting rod B and a second connecting rod B, one end of the second connecting rod B is connected with the second sensor, the other end of the second connecting rod B is connected with the first part B, one end of the second connecting rod B is connected with the second sensor, and the other end of the second connecting rod B is connected with the second part;
the first sensor and the second sensor are electrically connected.
Optionally, the backlight module includes a metal frame, the metal frame includes an opening, and an orthogonal projection of the camera module on a plane where the substrate base plate is located within an orthogonal projection of the opening on the plane where the substrate base plate is located.
Optionally, an orthographic projection of the connector on the plane of the substrate base plate is at least partially overlapped with an orthographic projection of the opening on the plane of the substrate base plate.
Optionally, the backlight module includes a light guide plate, the light guide plate includes a first sub light guide plate and a second sub light guide plate, the first sub light guide plate is located in the first portion, the second sub light guide plate is located in the second portion, and a thickness of the first sub light guide plate is smaller than a thickness of the second sub light guide plate in a direction perpendicular to a plane where the substrate base plate is located.
Optionally, the light guide plate is manufactured by a hot embossing process.
Optionally, the backlight module further includes: the display panel comprises a reflection film positioned on one side of the light guide plate far away from the display panel, a diffusion film stacked on one side of the light guide plate near the display panel and a brightness enhancement film.
Optionally, an orthographic projection of the first portion on the plane of the substrate base plate is a circle, a rectangle or a rhombus.
Compared with the prior art, the display device provided by the invention at least realizes the following beneficial effects:
the display device comprises a display panel, a backlight module and a camera assembly, wherein the display panel and the backlight module are arranged oppositely; the display panel comprises a first display area and a second display area arranged around the first display area, and the display panel comprises a substrate base plate; the backlight module comprises a first part and a second part arranged around the first part; in the direction perpendicular to the plane of the substrate base plate, orthographic projections of the first display area, the first part and the camera shooting assembly are at least partially overlapped; when the first part of the backlight module is in a folded state, a hollow area is formed at the position of the backlight module corresponding to the first part, and the hollow area can realize high transparency; the first part of the backlight module is in an unfolded state, so that enough backlight is provided for the first display area, and full-screen display is realized on the premise of ensuring the shooting quality of the shooting assembly.
Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic diagram of a display device according to the prior art;
FIG. 2 is a cross-sectional view taken along line N-N' of FIG. 1;
FIG. 3 is a schematic plan view of a display device according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 3;
FIG. 5 is a cross-sectional view of the first portion of the backlight module of FIG. 3 in a folded state;
FIG. 6 is an enlarged view of a portion of region C of FIG. 5;
FIG. 7 is a further sectional view taken along line A-A' of FIG. 3;
FIG. 8 is a schematic plane structure diagram of the display device provided by the present invention at the image capturing stage;
FIG. 9 is a cross-sectional view taken along line B-B' of FIG. 8;
FIG. 10 is a further sectional view taken along line A-A' of FIG. 3;
FIG. 11 is a further cross-sectional view of the display device of FIG. 3 in the A-A' direction during the image capture stage;
FIG. 12 is a further sectional view taken along line B-B' of FIG. 8;
FIG. 13 is a further sectional view taken along line A-A' of FIG. 3;
fig. 14 is a further sectional view taken along line a-a' of fig. 3.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to solve the problem that the image pickup area of the display device cannot be displayed in the display state, the inventors have conducted the following studies on the display device in the related art:
fig. 1 is a schematic structural diagram of a display device in the prior art, fig. 2 is a cross-sectional view taken along the direction N-N' in fig. 1, in which a display panel 01 and a backlight module 02 of the display device 000 are disposed opposite to each other, and a camera 03 is disposed; the display device 100 further comprises a camera area 04 and a display area 05 surrounding the camera area 04, the camera 03 is located in the camera area 04, and the camera 03 is located on one side of the backlight module 02 far away from the display panel 01; the backlight module 02 includes a hollow area 021, and the orthographic projection of the hollow area 021 on the plane of the display panel 01 is overlapped with the orthographic projection of the camera 03 on the plane of the display panel 01. Be about to camera 03 directly place the below at the display device screen, in order to guarantee display device quality of making a video recording, make a video recording district 04 will realize high penetrating, and backlight unit 02 needs set up the fretwork district in the district 04 corresponding position department of making a video recording simultaneously. However, when displaying, because the backlight module that the district 04 corresponds position department of making a video recording is equipped with fretwork district 021, because fretwork district 021 can't provide backlight for the district 04 of making a video recording, and then lead to the district 04 of making a video recording to show, the display area 05 is different with the district 04 display effect of making a video recording promptly, can't be in the true sense realize the setting of display device full face screen.
The present invention provides a display device. As for a display device provided by the present invention, the following will be described in detail.
Referring to fig. 3, 4, 5 and 6, fig. 3 is a schematic plan view of a display device according to the present invention, fig. 4 is a cross-sectional view taken along a direction a-a 'in fig. 3, fig. 5 is a cross-sectional view taken along a direction a-a' of the display device in fig. 3 at an image capturing stage, and fig. 6 is a partially enlarged view of a region C in fig. 5.
Referring to fig. 4 and 5, the display device includes a display panel 1 and a backlight module 2 which are oppositely disposed, and a camera module 3, wherein the camera module 3 is located on one side of the light module 2 away from the display panel 1.
The display panel 1 in fig. 3, 4 and 5 includes a first display area 4 and a second display area 5 disposed around the first display area 4. The display panel 1 in fig. 4 and 5 includes a substrate base plate 8; the backlight module 2 includes a first portion 21 and a second portion 22 disposed around the first portion 21; in a direction perpendicular to the plane of the base substrate 8, the orthographic projections of the first display area 4, the first portion 21 and the camera assembly 3 at least partially overlap.
The first portion 21 is a foldable member, and referring to fig. 5 and 6, when the first portion 21 is in a folded state, the first portion 21 is folded toward a direction close to the second portion 22, so that the backlight module 2 forms a hollow area 7 corresponding to the first portion 1.
It should be noted that fig. 5 only shows the case where the first portion 21 is folded to the left side, but of course, the first portion 21 may also be folded to the right side, or may be folded to both the left side and the right side, which is only one example.
The shape of the camera module 3 in fig. 4 and 5 is only schematically illustrated, and of course, the camera module 3 may be a camera, and may further include other elements, which are not specifically limited herein.
The optional display panel 1 is a liquid crystal display panel, the backlight module 2 provides backlight for the display panel 1, and the optional backlight module 2 is a lateral backlight module. Certainly, the display panel 1 may include a color film substrate CF and an array substrate TFT which are oppositely disposed, and a liquid crystal layer LC which is sandwiched between the color film substrate CF and the array substrate TFT, and the liquid crystal display panel has low cost.
Compared with the prior art, the display device has at least the following beneficial effects;
the first part 21 of the backlight module 2 is of a foldable structure, when the first part 21 is in a folded state, the first part 21 is folded towards a direction close to the second part 22, so that a hollow area 7 is formed at a position of the backlight module 2 corresponding to the first part 1, and the hollow area 7 can realize high transparency and ensure the shooting quality of a shooting assembly; the first portion 21 of the backlight module 2 is in an unfolded state to provide enough backlight for the first display area 4 to realize display. The invention realizes full-screen display on the premise of ensuring the shooting quality of the camera shooting assembly.
In some alternative embodiments, with continued reference to fig. 5, the display device comprises a camera phase in which the first portion 21 is in the folded state while the camera assembly 3 is moved to the hollowed-out area 7 for taking a picture.
Fig. 5 shows that the first portion 21 of the backlight module 21 is folded toward the direction close to the second portion 22 during the image capturing stage of the display device, so that the position of the backlight module 2 corresponding to the first portion 1 forms the hollow area 7, that is, the first portion 21 is in the folded state, and the image capturing assembly 3 moves to the hollow area 7 for image capturing.
Compared with the prior art, the display device has a display stage and a shooting stage, when the display device is in the shooting stage, the first part 21 is in a folded state, the first part 21 is folded towards a direction close to the second part 22, so that a hollow area 7 is formed at a position, corresponding to the first part 1, of the backlight module 2, and the hollow area 7 can realize high transparency and can ensure the shooting quality of the shooting assembly; in the display stage, the first portion 21 of the backlight module 2 is in the unfolded state to provide enough backlight for the first display region 4 to realize display. The invention realizes full-screen display on the premise of ensuring the shooting quality of the camera shooting assembly.
In some alternative embodiments, referring to fig. 7, 8 and 9, fig. 7 is a cross-sectional view taken along a-a' direction in fig. 3, and fig. 8 is a schematic plan view of a display device provided by the present invention at an image capturing stage; fig. 9 is a cross-sectional view taken along line B-B' of fig. 8. The display device further comprises a connector 10, wherein the connector 10 is positioned on one side, close to the camera assembly 3, far away from the display panel 1, and an orthographic projection of the connector 10 on the plane of the substrate base plate 8 at least partially overlaps with an orthographic projection of the first part 21 on the plane of the substrate base plate 8;
it will be appreciated with reference to figure 7 that a recess may be provided in the camera module 3 and the connector 10 may be located within the recess so as to take up no space.
The connector 10 includes a sensor 11, a first connecting rod 12, and a second connecting rod 13;
one end of the first connecting rod 12 is connected to the sensor 10, and the other end is connected to the first portion 21;
one end of the second connecting rod 13 is connected with the sensor 10, and the other end is connected with the second part 22;
the first connecting rod 12 and the second connecting rod 13 are retractable connecting rods; in the image capturing stage, the first link lever 12 and the second link lever 13 are contracted in a direction to approach the display panel 1.
In some alternative embodiments, fig. 7 schematically shows that the first connecting rod 12 and the second connecting rod 13 are retractable structures, but other forms of retraction are also possible, which are not specifically limited herein, and in the image capturing stage, the first connecting rod 12 and the second connecting rod 13 are retracted toward the display panel 1 to move the image capturing assembly 3 to the hollow area 7. It can be understood that, in fig. 9, in a shooting state, the sensor 11 receives a shooting signal, the first connecting rod 12 and the second connecting rod 13 both contract in a direction close to the display panel 1, the first connecting rod 12 contracts in a direction close to the display panel 1 to contract the first portion 21 of the backlight module 2 to the left side to form the hollow area 7, and at the same time, the second connecting rod 13 contracts in a direction close to the display panel 1 to drive the shooting component 3 to move into the hollow area 7, so that the shooting component 3 shoots, at this time, the hollow area 7 can achieve high transparency, and the shooting quality of the shooting component can be ensured; in the display state, referring to fig. 7, the sensor 11 receives a display signal, the first connecting rod 12 and the second connecting rod 13 both extend in the direction away from the display panel 1, the first connecting rod 12 extends in the direction away from the display panel 1 to drive the first portion 21 of the backlight module 2 to extend, and the second connecting rod 13 extends in the direction away from the display panel 1 to drive the camera module 3 to move out of the hollow area 7. The invention realizes full-screen display on the premise of ensuring the shooting quality of the camera shooting assembly.
In some alternative embodiments, referring to fig. 10 and 11, fig. 10 is a further cross-sectional view along a-a 'in fig. 3, and fig. 11 is a further cross-sectional view along a-a' of the display device in fig. 3 during the image capture stage. The first portion 21 includes a first portion a 21a and a first portion b 21b, and the first portion a 21a and the first portion b 21b are respectively folded toward a direction close to the second portion 22, so that the backlight module 2 forms the hollow area 7 at a position corresponding to the first portion 21.
It can be understood that the first portion a 21a and the first portion b 21b are not directly fixedly connected, and it can be ensured that the first portion a 21a and the first portion b 21b are respectively folded towards the direction close to the second portion 22, so that the position of the backlight module 2 corresponding to the first portion 21 forms the hollow area 7, at this time, the paths where the first portion a 2a and the first portion b 21b need to be folded are all relatively short, the hollow area 7 can be quickly formed when the image is needed, and the image pickup quality of the image pickup assembly can be ensured.
In some alternative embodiments, with continued reference to fig. 10 and 11, the connector 10 includes a first connector 10a and a second connector 10b, the first connector 10a and the second connector 10b being located on either side of the first portion 21 in a direction perpendicular to the plane of the substrate base plate 8;
as can be seen from fig. 10 and 11, the first connector 10a and the second connector 10b are located on the left and right sides of the first portion 21 in the direction perpendicular to the plane of the substrate base plate 8, and due to the arrangement of the first connector 10a and the second connector 10b, the first portion a 21a and the first portion b 21b are respectively driven to be folded towards the two sides,
the first connector 10a comprises a first sensor 11a, a first connecting rod A12 a and a second connecting rod A13 a, one end of the first connecting rod A12 a is connected with the first sensor 11a, the other end is connected with the first part A21 a, one end of the second connecting rod A13 a is connected with the first sensor 11a, and the other end is connected with the second part 22;
the second connector 10b comprises a second sensor 11b, a first connecting rod B12 b and a second connecting rod B13 b, one end of the first connecting rod B12 b is connected with the second sensor 11b, the other end of the first connecting rod B12 b is connected with the first part B12 b, one end of the second connecting rod B13 b is connected with the second sensor 11b, and the other end of the second connecting rod B13 b is connected with the second part 22;
the first sensor 11a and the second sensor 11b are electrically connected.
It is understood that the first sensor 11a and the second sensor 11b are electrically connected to each other and can simultaneously receive a signal for image pickup or display.
Referring to fig. 11, in a shooting state, the first sensor 11a and the second sensor 11b receive a shooting signal at the same time, the first connecting rod a 12a contracts toward the direction close to the display panel 1 to drive the first portion a 21a of the backlight module 2 to fold leftward, the first connecting rod b 12b contracts toward the direction close to the display panel 1 to drive the first portion b 21b of the backlight module 2 to fold rightward, so as to form a hollow area 7, and meanwhile, the second connecting rod a 13a contracts toward the direction close to the display panel 1, and the second connecting rod b contracts toward the direction close to the display panel 1 to drive the shooting assembly 3 to move into the hollow area 7, so that the shooting assembly 3 shoots, at this time, the hollow area 7 can achieve high transparency, and the shooting quality of the shooting assembly can be guaranteed; in the display state, referring to fig. 10, the first sensor 11a and the second sensor 11b receive the display signal at the same time, the first connecting rod a 12a extends towards the direction far away from the display panel 1 to drive the first portion a 21a of the backlight module 2 to expand, the first connecting rod b 12b extends towards the direction far away from the display panel 1 to drive the first portion b 21b of the backlight module 2 to expand, the second connecting rod a 13a extends towards the direction far away from the display panel 1, and the second connecting rod b 13b extends towards the direction far away from the display panel 1 to drive the camera module 3 to move out of the hollow area 7, the first portion 21 of the backlight module 2 is in the expanded state, so as to provide enough backlight for the first display area 4 to realize display, and realize full-screen display on the premise of ensuring the camera module camera quality.
The first portion A21 a and the first portion B21 b are folded towards the direction close to the second portion 22 respectively, so that the position, corresponding to the first portion 21, of the backlight module 2 forms the hollow area 7, at the moment, the paths, needing to be folded, of the first portion A2 a and the first portion B21 b are short, the hollow area 7 can be formed quickly during shooting, and the shooting quality of the shooting assembly can be guaranteed.
In some alternative embodiments, referring to fig. 12 and 13, fig. 12 is a further cross-sectional view taken along line B-B' of fig. 8. In fig. 12, the backlight module 2 includes a metal frame 23, the metal frame 23 includes an opening 24, and an orthogonal projection of the camera module 3 on a plane of the substrate 8 is located within an orthogonal projection of the opening 24 on the plane of the substrate 8.
It is understood that the metal frame 23 may be disposed in the backlight module 2, and the optical film layers in the backlight module 2 are disposed therein for protecting the optical film layers, the optical film layers may include a light guide plate 25, a reflective film 26 located on a side of the light guide plate 25 away from the display panel 1, a diffusion film 27 stacked on a side of the light guide plate 25 close to the display panel 1, and a brightness enhancement film 28, where the optical film layers are not specifically limited, the brightness enhancement film 28 may be a single layer or multiple layers, and here, only the brightness enhancement film 28 is taken as an example, and the reflective film 26, the diffusion film 27, and the brightness enhancement film 28 are all flexible film layers and can be folded for multiple times. Of course, the metal frame 23 is not easy to fold, the opening 24 is formed in the metal frame, the optical film layer at the position of the first portion 21 only needs to be folded, a hollow-out area is formed, the hollow-out area 7 can realize high transparency, the shooting quality of the shooting assembly can be guaranteed, the optical film layer corresponding to the position of the first portion 21 is in an unfolding state when displaying, enough backlight is provided for the first display area 4 to realize displaying, and full-screen display is realized on the premise that the shooting quality of the shooting assembly is guaranteed. Of course, the opening 24 of the metal frame 23 may also be used to fix the camera module 3, and the camera module 3 is engaged in the opening 24.
In some alternative embodiments, referring to fig. 13, fig. 13 is a further cross-sectional view taken along line a-a' of fig. 3, and the orthographic projection of the connector 10 of fig. 13 on the plane of the substrate base 8 at least partially overlaps the orthographic projection of the opening 24 on the plane of the substrate base 8.
Of course, the orthographic projection of the connector 10 on the plane where the substrate base plate 8 is located does not overlap with the orthographic projection of the camera shooting assembly 3 on the plane where the substrate base plate 8 is located, at the moment, the orthographic projection area of the opening 24 on the plane where the substrate base plate 8 is located is larger than that of the camera shooting assembly 3 on the plane where the substrate base plate 8 is located, the connector 10 and the opening 24 are overlapped in the area where the camera shooting assembly 3 is larger than that of the opening, namely, the connector 10 is hidden in the camera shooting assembly 3, when the camera shooting assembly 3 moves to the hollowed-out area, the camera shooting is not affected by the connector 10, and the camera shooting quality of the camera shooting assembly.
In some alternative embodiments, referring to fig. 14, fig. 14 is a further sectional view along a-a' direction in fig. 3, in which the backlight module 2 in fig. 14 includes a light guide plate 25, the light guide plate 25 includes a first sub light guide plate 25a and a second sub light guide plate 25b, the first sub light guide plate 25a is located in the first portion 21, the second sub light guide plate 25b is located in the second portion 22, and a thickness h1 of the first sub light guide plate 25a is smaller than a thickness h2 of the second sub light guide plate 25b in a direction perpendicular to a plane of the substrate 8.
Of course, the connector 10 may be any of the above embodiments, and is not limited in any way. It is understood that since the first section 21 needs to be folded in the direction of the second section 22, and the thickness h1 of the first sub light guide plate 25a is smaller than the thickness h2 of the second sub light guide plate 25b, flexible folding can be more easily achieved.
In some alternative embodiments, with continued reference to fig. 14, the light guide plate 25 is fabricated by a hot embossing process.
In the prior art, the light guide plate is generally in an ejection type, has the thickness of 0.38-0.6mm and is not beneficial to repeated bending, and the microstructure on the precision die is copied to the surface of the light guide fiber film by adopting a hot stamping process, wherein the thickness is only 0.125-0.2mm, so that the flexible bending function is realized.
In some alternative embodiments, with continued reference to fig. 3, the orthographic projection of first portion 21 on the plane of the substrate base plate is circular, rectangular or diamond-shaped.
Fig. 3 only shows that the orthographic projection of the first portion 21 on the plane of the substrate base plate is circular, but of course, the orthographic projection can also be rectangular or rhombic, as long as the first portion 21 is of a foldable structure, when the first portion 21 is in a folded state, the first portion 21 is folded towards a direction close to the second portion 22, so that the position of the backlight module 2 corresponding to the first portion 1 forms the hollow area 7, the hollow area 7 can realize high transparency, and the shooting quality of the shooting assembly can be ensured; when displaying, the first portion 21 is in an unfolded state, and provides enough backlight for the first display area 4 to realize display, and full-screen display is realized on the premise of ensuring the image pickup quality of the image pickup assembly.
As can be seen from the above embodiments, the display device provided by the present invention at least achieves the following beneficial effects:
the display device comprises a display panel, a backlight module and a camera assembly, wherein the display panel and the backlight module are arranged oppositely; the display panel comprises a first display area and a second display area arranged around the first display area, and the display panel comprises a substrate base plate; the backlight module comprises a first part and a second part arranged around the first part; in the direction perpendicular to the plane of the substrate base plate, orthographic projections of the first display area, the first part and the camera shooting assembly are at least partially overlapped; when the first part of the backlight module is in a folded state, a hollow area is formed at the position of the backlight module corresponding to the first part, and the hollow area can realize high transparency; the first part of the backlight module is in an unfolded state, so that enough backlight is provided for the first display area, and full-screen display is realized on the premise of ensuring the shooting quality of the shooting assembly.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (11)
1. A display device, comprising: the display panel and the backlight module are arranged oppositely, and the camera shooting assembly is positioned on one side of the backlight module, which is far away from the display panel;
the display panel comprises a first display area and a second display area arranged around the first display area, and the display panel comprises a substrate base plate; the backlight module comprises a first part and a second part arranged around the first part;
in a direction perpendicular to the plane of the substrate base plate, orthographic projections of the first display area, the first part and the camera assembly are at least partially overlapped;
the first portion is a foldable component, and when the first portion is in a folded state, the first portion is folded towards a direction close to the second portion, so that a hollow area is formed at a position, corresponding to the first portion, of the backlight module.
2. The display device of claim 1, comprising a camera phase in which the first portion is in a folded state while the camera assembly is moved to the hollowed-out area for taking a picture.
3. The display device according to claim 2, further comprising a connector located on a side of the camera assembly close to the display panel, wherein an orthographic projection of the connector on a plane of the substrate base plate at least partially overlaps with an orthographic projection of the first portion on the plane of the substrate base plate;
the connector comprises a sensor, a first connecting rod and a second connecting rod;
one end of the first connecting rod is connected with the sensor, and the other end of the first connecting rod is connected with the first part;
one end of the second connecting rod is connected with the sensor, and the other end of the second connecting rod is connected with the second part;
the first connecting rod and the second connecting rod are retractable connecting rods;
in the image pickup stage, the first connecting rod and the second connecting rod contract towards the direction close to the display panel.
4. The display device according to claim 3, wherein the first portion comprises a first portion A and a first portion B, and the first portion A and the first portion B are folded in a direction close to the second portion respectively, so that a hollow area is formed at a position of the backlight module corresponding to the first portion.
5. The display device according to claim 4, wherein the connector includes a first connector and a second connector which are located on both sides of the first portion in a direction perpendicular to a plane in which the substrate base is located;
the first connector comprises a first sensor, a first connecting rod A and a second connecting rod A, one end of the first connecting rod A is connected with the first sensor, the other end of the first connecting rod A is connected with the first part A, one end of the first connecting rod B is connected with the first sensor, and the other end of the first connecting rod B is connected with the second part;
the second connector comprises a second sensor, a second connecting rod B and a second connecting rod B, one end of the second connecting rod B is connected with the second sensor, the other end of the second connecting rod B is connected with the first part B, one end of the second connecting rod B is connected with the second sensor, and the other end of the second connecting rod B is connected with the second part;
the first sensor and the second sensor are electrically connected.
6. The display device according to claim 3, wherein the backlight module comprises a metal frame, the metal frame comprises an opening, and an orthographic projection of the camera assembly on a plane of the substrate base plate is located within an orthographic projection of the opening on the plane of the substrate base plate.
7. The display device according to claim 6, wherein an orthographic projection of the connector on a plane of the substrate base plate at least partially overlaps with an orthographic projection of the opening on a plane of the substrate base plate.
8. The display device according to claim 1, wherein the backlight module comprises a light guide plate, the light guide plate comprises a first sub light guide plate and a second sub light guide plate, the first sub light guide plate is located in the first portion, the second sub light guide plate is located in the second portion, and a thickness of the first sub light guide plate is smaller than a thickness of the second sub light guide plate in a direction perpendicular to a plane of the substrate base plate.
9. The display device according to claim 8, wherein the light guide plate is manufactured by a hot embossing process.
10. The display device according to claim 8, wherein the backlight module further comprises: the display panel comprises a reflection film positioned on one side of the light guide plate far away from the display panel, a diffusion film stacked on one side of the light guide plate near the display panel and a brightness enhancement film.
11. The display device according to claim 1, wherein an orthographic projection of the first portion on a plane of the substrate base plate is circular, rectangular or rhombic.
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| CN111766740B (en) | 2022-11-01 |
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