CN111787137B - Display device - Google Patents
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- CN111787137B CN111787137B CN202010468914.6A CN202010468914A CN111787137B CN 111787137 B CN111787137 B CN 111787137B CN 202010468914 A CN202010468914 A CN 202010468914A CN 111787137 B CN111787137 B CN 111787137B
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- display panel
- emitting element
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display device, comprising: the display panel, the backlight module and the camera shooting assembly are oppositely arranged; the camera shooting assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a cap assembly and a camera; the cap assembly comprises a light-emitting element and a lens, wherein the orthographic projection of the light-emitting element on the plane of the display panel is at least partially overlapped with the orthographic projection of the lens on the plane of the display panel, the lens is positioned on one side of the light-emitting element close to the backlight module, and the lens converges light rays entering the light-in surface towards the light-out surface; the camera is positioned on one side, far away from the display panel, of the cap assembly, and the orthographic projection of the camera on the plane where the display panel is positioned is in the orthographic projection of the lens on the plane where the display panel is positioned. The display device provided by the invention realizes full-screen display of the display device on the premise of ensuring the shooting quality of the camera 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 has two types, one type is a blind hole screen, a blind hole area is reserved in the screen for placing a camera, but pictures can not be displayed in the blind hole; 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 and be the development trend, and then need directly place the camera in LCD screen below, and in order to guarantee display device quality of making a video recording, the camera corresponds regional high the realizing, and backlight unit needs dig the hole in the camera district simultaneously. However, when displaying, the backlight module can not pass through light, so that the display effect of the normal display area is different from that of the camera area, and further the setting of the full screen of the display device can not be realized in the true sense.
Disclosure of Invention
In view of this, the present invention provides a display device, which can realize full-screen display of the display device on the premise of the image pickup quality of the display device.
The present invention provides a display device including: the display panel, the backlight module and the camera shooting assembly are oppositely arranged; the camera shooting assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a cap assembly and a camera; the cap assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a light-emitting element and a lens, wherein the orthographic projection of the light-emitting element on the plane of the display panel is positioned at least partially overlapped with the orthographic projection of the lens on the plane of the display panel, the lens is positioned on one side of the light-emitting element, which is close to the backlight module, and comprises a light-emitting surface and a backlight surface which are oppositely arranged in the direction vertical to the display panel, and the lens converges the light entering the light-entering surface towards the light-emitting surface; the camera is positioned on one side, far away from the display panel, of the cap assembly, and the orthographic projection of the camera on the plane where the display panel is positioned is in the orthographic projection of the lens on the plane where the display panel is positioned.
Preferably, the orthographic projection of the light-emitting element on the plane of the display panel is positioned within the orthographic projection of the lens on the plane of the display panel.
Preferably, when the camera is in an open state, the light-emitting element is in a closed state, and the lens converges light entering the light-in surface towards the light-out surface;
when the camera is in a closed state, the light-emitting element is in an open state, and the lens converges light rays emitted by the light-emitting element entering the light-in surface towards the light-out surface.
Preferably, the backlight module comprises a hollow area, and the orthographic projection of the camera on the plane where the display panel is located and the orthographic projection of the hollow area on the plane where the display panel is located are at least partially overlapped.
Preferably, a first distance is formed between the orthographic projection of the light-emitting element on the side close to the camera on the plane where the display panel is located and the orthographic projection of the hollow part on the plane where the display panel is located, and the first distance is larger than zero.
Preferably, the light coverage area of the light emitting element has a diameter of an orthographic projection of the plane of the display panel
Wherein r is an aperture of an orthographic projection of the hollow part on a plane where the display panel is located, h1 is a length of the hollow part in a direction perpendicular to the display panel, and l1 is a shortest distance between a side of the light-emitting element away from the hollow part and a side of the light-emitting element close to the hollow part on the orthographic projection of the plane where the display panel is located; h is the shortest distance between one side of the light-emitting element close to the display panel and one side of the backlight module close to the camera.
Preferably, the orthographic projection of the light-emitting element on the plane of the display panel is arranged around the orthographic projection of the camera on the plane of the display panel.
Preferably, the orthographic projection of the light-emitting element on the plane of the display panel is a closed figure.
Preferably, the light emitting element comprises at least two oppositely arranged sub light emitting elements.
Preferably, the refractive index of the lens is n, wherein n is 1.5-1.8.
Preferably, the lens is a convex lens.
Preferably, the light emitting element comprises an LED light source.
Preferably, the display panel comprises a color film substrate and an array substrate which are arranged oppositely;
the backlight module is arranged on one side of the array substrate, which is far away from the color film substrate.
Compared with the prior art, the display device provided by the invention at least realizes the following beneficial effects:
the invention provides a display device which comprises a camera shooting assembly, wherein the camera shooting assembly is positioned on one side of a backlight module, which is far away from a display panel, and comprises a cover cap assembly and a camera, wherein the cover cap assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a light-emitting element and a lens, the orthographic projection of the light-emitting element on the plane of the display panel is positioned on the orthographic projection of the lens on the plane of the display panel at least partially overlapped, the lens is positioned on one side of the light-emitting element, which is close to the backlight module, in the direction vertical to the display panel, the lens comprises a light-emitting surface and a backlight surface which are oppositely arranged, and the lens converges light entering a light-in surface towards the light-emitting surface. Further, when the display device provided by the invention displays, the light-emitting element is turned on, the lens mainly has a light guiding effect, light rays of the light-emitting element can be refracted to the position of the camera outlet hole to generate light, a light source required by display at the camera is provided, and full-screen display is realized; when the display device shoots, the light-emitting element is closed, the middle lens mainly has the light-gathering function, light irradiated from the outside is refracted to the camera, the light intensity required by shooting is gathered, and the shooting quality of the display device is improved.
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 structural diagram of a display device according to the present invention;
FIG. 4 is a cross-sectional view taken along line M-M' of FIG. 3;
FIG. 5 is a cross-sectional view taken along line M-M' of FIG. 3;
FIG. 6 is a light ray diagram of the camera assembly of FIG. 4;
FIG. 7 is a schematic view of still another light ray in the camera assembly of FIG. 4;
FIG. 8 is a cross-sectional view taken along line M-M' of FIG. 3;
FIG. 9 is a cross-sectional view taken along line M-M' of FIG. 3;
FIG. 10 is a cross-sectional view taken along line M-M' of FIG. 3;
fig. 11 is a partial enlarged view of B in fig. 5;
FIG. 12 is a top view of the camera assembly provided by the present invention;
FIG. 13 is a further top view of the camera assembly provided by the present invention;
FIG. 14 is a further top view of the camera assembly provided by the present invention;
fig. 15 is a cross-sectional view of another embodiment of fig. 3 taken along line M-M'.
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 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, and referring to fig. 1 and fig. 2, a display panel 01 and a backlight module 02 and a camera 03 are oppositely disposed on the display device 100; 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 of making a video recording unable 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.
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: the invention provides a display device. As for a display device provided by the present invention, the following will be described in detail.
Fig. 3 is a schematic structural diagram of a display device according to the present invention, fig. 4 is a cross-sectional view taken along direction M-M' in fig. 3, and referring to fig. 3 and fig. 4, a display device 200 includes a display panel 1 and a backlight module 2, which are oppositely disposed, and a camera module 3; the camera shooting component 3 is positioned on one side of the backlight module 2, which is far away from the display panel 1, and the camera shooting component 3 comprises a cap component 31 and a camera 32; the cap assembly 31 is located on one side of the backlight module 2 away from the display panel 1, and includes a light emitting element 311 and a lens 312, an orthographic projection of the light emitting element 311 on a plane where the display panel 1 is located is at least partially overlapped with an orthographic projection of the lens 312 on a plane where the display panel 1 is located, the lens 312 is located on one side of the light emitting element 311 close to the backlight module 2, in a direction perpendicular to the display panel 1, the lens 312 includes a light incident surface and a light emitting surface which are oppositely arranged, and the lens 312 converges light entering the light incident surface toward the light emitting surface; and the camera 32 is positioned on the side of the cap assembly 31 far away from the display panel 1, and the orthographic projection of the camera 32 on the plane of the display panel 1 is within the orthographic projection of the lens 312 on the plane of the display panel 1.
It is understood that the display device 200 further includes a first display area a1 and a second display area a2, the first display area a1 is disposed around the second display area a2, and the second display area a2 corresponds to an area where the camera 32 is located. The display device 200 can realize that the display device second display area a2 displays in the display stage of the display device 200 and captures images in the image capturing stage of the display device 200 by controlling the light-emitting and the turn-off of the light-emitting element 311 in the display stage and the image capturing stage. Meanwhile, the lens 312 includes a light incident surface and a light emitting surface which are oppositely arranged, when the display device 200 is in a display state, the light incident surface of the lens 312 is a side close to the camera 32, and the light emitting surface is a side far from the camera 32; when the display device 200 is in the image capturing state, the light incident surface of the lens 312 is a side away from the camera 32, and the light emitting surface is a side close to the camera 32, that is, the light incident surface and the light emitting surface of the lens 312 change according to the state of the display device 200, but in any state, the lens 312 meets the requirement that the light entering the light incident surface converges towards the light emitting surface. Because the lens 312 can converge the light entering the light incident surface toward the light emitting surface, the light converging effect can be achieved in both the display stage and the image capturing stage of the display device 200, and the display quality and the image capturing quality of the display device 200 are improved.
Meanwhile, compared with the prior art, in the display device 200 provided by the invention, when the display device 200 is in the display state, the light emitting element 311 provides display light for the second display area a2, that is, the second display area a2 can display when the display device 200 is in the display state, and forms a continuous display picture with the first display area a1, so that the screen occupation ratio of the display screen of the display device 200 is improved, and the full-screen design is realized.
Furthermore, fig. 4 only shows that in the direction parallel to the plane of the display panel 1, the camera module 3 and the backlight module 2 are not overlapped and are located on the side of the backlight module 2 away from the display panel 1, and the specific setting position of the camera module 3 is not specifically required, so that the position on the side of the backlight module 2 away from the display panel 1 is satisfied, and the positions capable of achieving the technical effects of the present invention are all the protection ranges of the present invention. Meanwhile, fig. 4 only shows that the orthographic projection of the light emitting element 311 on the plane of the display panel 1 is partially overlapped with the orthographic projection of the lens 312 on the plane of the display panel 1, the specific setting position of the light emitting element 311 is not specifically required in the present invention, the requirements that the orthographic projection of the light emitting element 311 on the plane of the display panel 1 is at least partially overlapped with the orthographic projection of the lens 312 on the plane of the display panel 1 are met, and the positions capable of achieving the technical effects of the present invention are all the protection scope of the present invention.
Fig. 5 is a cross-sectional view of another M-M' direction in fig. 3, and in conjunction with fig. 5, optionally, the orthographic projection of the light emitting element 311 on the plane of the display panel 1 is located within the orthographic projection of the lens 312 on the plane of the display panel 1. It is understood that the light emitting element 311 is located within the lens 312, and may include two cases, the first: in the direction perpendicular to the plane of the display panel 1, the light emitting element 311 is located inside the lens 312, and the side of the light emitting element 311 overlaps the outer edge of the lens 312. Second, in the direction perpendicular to the plane of the display panel 1, the light emitting element 311 is located inside the lens 312, and there is a gap between the light emitting element 311 and the outer edge of the lens 312. In any case, all the light rays emitted by the light emitting element 311 can be gathered through the lens 312, so that the light utilization rate of the light emitting element 311 is improved, and further, the light rays can be gathered in the display stage and the camera shooting stage of the display device 200, so that the display quality and the camera shooting quality of the display device 200 are improved.
Fig. 6 is a schematic light ray diagram of the camera module in fig. 4, fig. 7 is a schematic light ray diagram of the camera module in fig. 4, and with reference to fig. 3 to 7, in an alternative embodiment of the display device 200 according to the present invention, when the camera head 32 is in the on state, the light emitting element 311 is in the off state, and the lens 312 converges the light entering the light incident surface 4 toward the light emitting surface 5; when the camera 32 is in the off state, the light emitting device 311 is in the on state, and the lens 312 converges the light emitted from the light emitting device 311 entering the light incident surface 4 toward the light emitting surface 5.
It is understood that the camera 32 includes an on state and an off state, the on state of the camera 32 corresponding to the camera state of the display device 200, and the off state of the camera 32 corresponding to the display state of the display device 200. As shown in fig. 6, when the display device 200 is in the display state and the camera 32 is in the off state, the light emitting element 311 is in the on state, and at this time, the light emitting surface of the lens 312 is the side close to the camera 32, and the light emitting surface is the side far from the camera 32, because the lens 312 converges the light emitted by the light emitting element 311 entering the light incident surface 4 toward the light emitting surface 5, the light emitted by the light emitting element 311 can be converged to the second display area a2, the second display area a2 also displays the image, and forms a complete display area with the first display area a1, thereby increasing the screen occupation ratio of the display screen of the display device 200. As shown in fig. 7, when the display device 200 is in the shooting state and the camera 32 is in the open state, the light emitting element 311 is in the closed state, and at this time, the light emitting surface of the lens 312 is the side away from the camera 32 and the light emitting surface is the side close to the camera 32, because the lens 312 converges the light entering the light incident surface 4 toward the light emitting surface 5, the light outside the display device 200 can converge toward the camera 32, so as to converge the light intensity required for shooting, and improve the shooting quality of the display device 200.
Referring to fig. 4, the backlight module 2 in the display device provided by the present invention includes a hollow area 21, and an orthogonal projection of the camera 32 on the plane where the display panel 1 is located is at least partially overlapped with an orthogonal projection of the hollow area 21 on the plane where the display panel 1 is located. Fig. 4 only illustrates a case that the orthographic projection of the camera 32 on the plane where the display panel 1 is located and the orthographic projection of the hollow area 21 on the plane where the display panel 1 is located are completely overlapped, the specific position of the camera 32 is not specifically required in the present invention, and it is within the protection scope of the present invention that the orthographic projection of the camera 32 on the plane where the display panel 1 is located and the orthographic projection of the hollow area 21 on the plane where the display panel 1 is located are at least partially overlapped.
It can be understood that, be equipped with fretwork portion 21 at backlight unit 2, camera 32 and corresponding setting in fretwork area 21, be equipped with fretwork area 21 in the corresponding position department backlight unit 2 in second display area a2 promptly, can make second display area a2 realize high-transparency, increase the external light refraction of display device 200 to camera 32 department, be favorable to gathering display device 200 in the required luminous intensity of the stage of making a video recording, improve display device 200's the quality of making a video recording.
Fig. 4 only illustrates that the camera module 3 and the backlight module 2 are layered and located on a side of the backlight module 2 away from the display panel 1. Referring to fig. 8, fig. 8 is a cross-sectional view taken along direction M-M' in fig. 3, and fig. 8 illustrates that, in a direction parallel to the plane of the display panel 1, the camera module 3 is at least partially overlapped with the backlight module 2, and further, at least a portion of the camera module 3 is disposed in the hollow area 21 of the backlight module 2, so that the second display area a2 can achieve high transmittance, and light outside the display device 200 is refracted to the camera head 32, which is beneficial to gathering light intensity required by the display device 200 in a shooting stage and improving shooting quality of the display device 200, and further reduces a film thickness of the display device, and is beneficial to making the display device light and thin.
Fig. 9 is a cross-sectional view taken along direction M-M' of fig. 3, and referring to fig. 9, a first distance D is formed between an orthographic projection of the light emitting element 311 on the side close to the camera 32 on the plane where the display panel 1 is located and an orthographic projection of the hollow portion 21 on the plane where the display panel 1 is located in the display device 200 provided by the present invention, and the first distance D is greater than zero. Considering that the light-emitting device 311 may cause light leakage near the edge of the first display area a1, and further, the light-emitting device 311 is designed to be retracted, so that a first distance D is formed between the light-emitting device 311 and the edge of the backlight module 2, and the backlight module 2 can be used to block the light leakage from the edge of the first display area a1, where the present invention does not make specific requirements on the specific value of the first distance D, and can be set based on the comprehensive consideration of actual performance, and will not be described in detail below.
Fig. 10 is a cross-sectional view taken along direction M-M' in fig. 3, and referring to fig. 9, the display device 200 further includes a package structure 6, in a direction perpendicular to the plane of the display panel 1, the package structure 6 is located between the light emitting element 311 and the edge of the lens 312 and is located on a side of the light emitting element 311 close to the camera 32, and the package structure 6 can prevent external moisture from entering the light emitting element 311, thereby being beneficial to prolonging the service life of the light emitting element 311.
FIG. 11 is a partial enlarged view of B in FIG. 5, and with reference to FIG. 5 and FIG. 11, the diameter of the orthographic projection of the light coverage area of the light emitting element 311 on the plane of the display panel 1 in the display device according to the present invention
Wherein r is an aperture of an orthographic projection of the hollow portion 21 on the plane of the display panel 1, h1 is a length of the hollow portion 21 in the direction X perpendicular to the display panel 1, and l1 is a shortest distance between a side w1 of the light emitting element 311 away from the hollow portion 21 and a side w2 of the light emitting element 311 close to the hollow portion 21 on the orthographic projection of the plane of the display panel 1; h is the shortest distance between the side of the light emitting device 311 close to the display panel 1 and the side of the backlight module 2 close to the camera 32.
It is understood that the above formula applies to the light emitting element 311 being oppositely disposed with respect to the hollow area 21, i.e. the light emitting element 311 being oppositely disposed at both sides of the hollow area 21. The present invention does not make any specific requirement on the specific value of the diameter of the orthographic projection of the light coverage area of the light emitting element 311 on the plane where the display panel 1 is located, and can be set according to the actual requirement.
Further, the refractive index of the lens 312
The outer edge of the light emitting element 311 reaches a total reflection state (δ ═ 90 °), and the corresponding edge is just the edge covering the maximum range, that is, the diameter of the light covering area of the light emitting element 311 in the orthographic projection of the plane where the display panel 1 is located is the maximum range, where a ═ r-2l,
the smaller l is, the larger the maximum range of the diameter of the orthographic projection of the light coverage area of the light-emitting element 311 on the plane of the display panel 1 is; according to the refractive index of the lens 312 commonly used in the prior art, the device height H distribution can be calculated to be 2.1-2.6 mm, and according to the calculation result, when the refractive index of the lens 312 increases, the device height decreases and l increases, and only when the device heights H and l both decrease, the product performance can reach the optimum, so when designing a product, a material with the most appropriate refractive index n needs to be selected according to the comprehensive consideration of actual performance, and table 1 is shown in combination with table 1 below, and table 1 is simulation data of each parameter when the length of a light-emitting element in a display device is 2.6 mm.
Table 1 shows simulation data of each parameter when the length of the light emitting element in the device is 2.6mm
The thinnest of the currently available light emitting element 311 is 0.3mm, but light emitting elements 311 of different types such as 2604/3004/3804/3806/3006 are also available. The embodiment selects among them2603 simulation is only for proving the feasibility of the optical device from the design side, and is also applicable to other models of light emitting elements 311, such as simulation data of each parameter when the model number of the light emitting element is 3804 in the display device corresponding to table 2 below. In the present embodiment, the length of the hollow portion 21 in the direction X perpendicular to the display panel 1 is selected, i 1 is the shortest distance h1 between the w1 of the light emitting element 311 away from the hollow portion 21 and the w2 of the light emitting element 311 close to the hollow portion 21 on the orthographic projection of the plane where the display panel 1 is located is 0.7mm, the lens 312 is approximate to an ellipse, and the ellipse parameter is 1.44 ×2+110.25y2158.76.
Table 2 shows simulation data of each parameter when the light emitting element model number is 3804 in the apparatus
Corresponding data parameters can be set according to actual requirements according to the simulation data, and therefore the display quality and the camera shooting quality of the display device can be improved. Optionally, the refractive index of the lens is n, wherein n is more than or equal to 1.5 and less than or equal to 1.8. At this time, the light coverage area of the light emitting element 311 can be the largest within the range of the diameter of the orthographic projection of the plane where the display panel 1 is located, and then the light entering the light incident surface can be converged toward the light emitting surface within the largest range by the lens 312, so that the light converging effect can be further achieved in both the display stage and the camera shooting stage of the display device 200, and the display quality and the camera shooting quality of the display device 200 are improved.
Fig. 12 is a plan view of the camera module according to the present invention, fig. 13 is another plan view of the camera module according to the present invention, and as shown in fig. 12 and fig. 13, the orthographic projection of the light emitting element 311 on the plane of the display panel 1 in the display device 200 according to the present invention is arranged around the orthographic projection of the camera head 32 on the plane of the display panel 1. It is understood that the light emitting element 311 of the display device 20 may include one sub light emitting element P, two sub light emitting elements P, or a plurality of sub light emitting elements P. When the light emitting element 311 includes only one sub light emitting element P (not shown in the figure), the light emitting element may be disposed at any position where the outer edge of the image pickup 32 is located, as long as it is satisfied that the light emitting element 311 is covered by the lens 312 and located at the outer edge of the camera in the direction perpendicular to the display panel 1. As shown in fig. 12, when the display device 200 includes two light emitting elements 311, which are oppositely disposed on two sides of the camera 32, light required for displaying can be provided on two corresponding sides of the camera 32 at the same time, that is, uniform display light can be provided for the second display area a2, which is beneficial to improving the display quality and the light emitting quality of the display device; referring to fig. 13, when the display device 200 includes a plurality of light emitting elements 311, the orthographic projection of the light emitting elements 311 on the plane of the display panel 1 is disposed around the orthographic projection of the camera 32 on the plane of the display panel 1, so that the light required for displaying can be provided for the second display area a2 from multiple directions, that is, compared with the case where only one or two light emitting elements 311 are disposed, uniform light can be further provided for the second display area a2, which is beneficial to improving the display quality and the light emitting quality of the display device.
Fig. 14 is a further plan view of the image pickup module according to the present invention, and a front projection of the light emitting element 311 in the display device 200 according to the present invention on the plane of the display panel 1 is a closed figure. It can be understood that, when the orthographic projection of the plane of the display panel 1 is a closed figure, the light emitting elements 311 can provide light required for displaying to the second display area a2 from all directions, that is, compared with the arrangement of only one, two or more light emitting elements 311, uniform light can be further provided to the second display area a2, which is beneficial to improving the display quality and the light emitting quality of the display device.
With continued reference to fig. 12 and 13, the present invention provides a display device 200 in which the light emitting elements 311 include at least two oppositely disposed sub light emitting elements P. It is understood that the light emitting element 311 may include a plurality of sub light emitting elements P, and the arrangement of the sub light emitting elements P opposite to each other may provide uniform light to the second display area a2, which is beneficial to improve the display quality and the light emitting quality of the display device, and may also simplify the manufacturing process of the display device.
With continued reference to fig. 3 and 4, the lens 312 in the display device 200 provided by the present invention is a convex lens, the lens 312 protrudes to one side of the display panel 1, and since the lens 312 can converge the light entering the light incident surface to the light emitting surface, the lens can play a role of converging the light in both the display stage and the camera stage of the display device 200, so as to improve the display quality and the camera quality of the display device 200.
With continued reference to fig. 3 and 4, the present invention provides a display device 200 in which the light emitting elements comprise LED light sources. The LED light source is a light emitting diode, and a solid semiconductor chip is adopted as a luminescent material, so that the LED light source is compared with the traditional lamp. The LED light source is energy-saving and environment-friendly, has good color rendering property and response speed, can improve the display quality of 200 display prick and can reduce the power consumption at the same time.
Fig. 15 is a cross-sectional view taken along direction M-M' of fig. 3, where the display device 200 includes a display panel 1, a backlight module 2 and a camera module 3, and optionally, the display panel 1 includes a color filter substrate 11 and an array substrate 12 that are disposed opposite to each other; the backlight module 2 is disposed on a side of the array substrate 12 away from the color filter substrate 11. The display panel 1 further includes a liquid crystal 13 sandwiched between the color film substrate 11 and the array substrate 12, and liquid crystal molecules are changed in arrangement under the action of an electric field, so that an incident beam is influenced to penetrate through the liquid crystal to generate a change in intensity, and the change in intensity of light can be realized by controlling the electric field of the liquid crystal to achieve the purpose of information display.
As can be seen from the foregoing embodiments, the pixel driving circuit, the driving method thereof, and the display panel provided by the present invention at least achieve the following advantages:
the invention provides a display device which comprises a camera shooting assembly, wherein the camera shooting assembly is positioned on one side of a backlight module, which is far away from a display panel, and comprises a cover cap assembly and a camera, wherein the cover cap assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a light-emitting element and a lens, the orthographic projection of the light-emitting element on the plane of the display panel is positioned on the orthographic projection of the lens on the plane of the display panel at least partially overlapped, the lens is positioned on one side of the light-emitting element, which is close to the backlight module, in the direction vertical to the display panel, the lens comprises a light-emitting surface and a backlight surface which are oppositely arranged, and the lens converges light entering a light-in surface towards the light-emitting surface. Further, when the display device provided by the invention displays, the light-emitting element is turned on, the lens mainly has a light guiding effect, light rays of the light-emitting element can be refracted to the position of the camera outlet hole to generate light, a light source required by display at the camera is provided, and full-screen display is realized; when the display device shoots, the light-emitting element is closed, the middle lens mainly has the light-gathering function, light irradiated from the outside is refracted to the camera, the light intensity required by shooting is gathered, and the shooting quality of the display device is improved.
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 (12)
1. A display device, comprising: the display panel, the backlight module and the camera shooting assembly are oppositely arranged;
the camera shooting assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a cap assembly and a camera;
the cap assembly is positioned on one side of the backlight module, which is far away from the display panel, and comprises a light-emitting element and a lens, wherein the orthographic projection of the light-emitting element on the plane of the display panel is at least partially overlapped with the orthographic projection of the lens on the plane of the display panel, the lens is positioned on one side of the light-emitting element, which is close to the backlight module, and comprises a light-in surface and a light-out surface which are oppositely arranged in the direction vertical to the display panel, and the light entering the light-in surface is converged towards the light-out surface by the lens;
the camera is positioned on one side, away from the display panel, of the cover cap assembly, and the orthographic projection of the camera on the plane of the display panel is within the orthographic projection of the lens on the plane of the display panel;
when the camera is in an open state, the light-emitting element is in a closed state, and the lens converges light entering the light incident surface towards the light emergent surface;
when the camera is in a closed state, the light-emitting element is in an open state, and the lens converges light rays, which enter the light incident surface and are emitted by the light-emitting element, towards the light emergent surface.
2. The display device according to claim 1, wherein an orthogonal projection of the light emitting element on a plane of the display panel is located within an orthogonal projection of the lens on a plane of the display panel.
3. The display device according to claim 1, wherein the backlight module comprises a hollow area, and an orthogonal projection of the camera on a plane of the display panel and an orthogonal projection of the hollow area on a plane of the display panel are at least partially overlapped.
4. The display device according to claim 3, wherein a first distance is provided between an orthographic projection of the light-emitting element on one side close to the camera on the plane of the display panel and an orthographic projection of the hollow part on the plane of the display panel, and the first distance is greater than zero.
5. The display device according to claim 3, wherein a diameter of a light coverage area of the light emitting element in an orthogonal projection of a plane in which the display panel is located
Wherein r is the aperture of the orthographic projection of the hollow part on the plane of the display panel, h1Is the length of the hollowed-out part in the direction vertical to the display panel, l1The side of the light-emitting element far away from the hollow part and the side of the light-emitting element close to the hollow part are on the plane of the display panelThe shortest distance between the orthographic projections of (a); h is the shortest distance between one side of the light-emitting element close to the display panel and one side of the backlight module close to the camera.
6. The display device according to claim 1, wherein an orthographic projection of the light-emitting element on a plane of the display panel is arranged around an orthographic projection of the camera on a plane of the display panel.
7. The display device according to claim 1, wherein an orthographic projection of the light-emitting element on a plane on which the display panel is located is a closed figure.
8. The display device according to claim 1, wherein the light emitting element comprises at least two sub light emitting elements arranged oppositely.
9. The display device according to claim 1, wherein the refractive index of the lens is n, wherein 1.5. ltoreq. n.ltoreq.1.8.
10. The display device according to claim 1, wherein the lens is a convex lens.
11. The display device according to claim 1, wherein the light emitting element comprises an LED light source.
12. The display device according to claim 1, wherein the display panel comprises a color film substrate and an array substrate which are arranged oppositely;
the backlight module is arranged on one side of the array substrate, which is far away from the color film substrate.
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| CN115793324B (en) * | 2022-12-09 | 2024-02-09 | 厦门天马微电子有限公司 | Display module and display device |
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