CN114500693A - Display screen assembly and terminal equipment - Google Patents

Abstract

The invention relates to a display screen assembly and terminal equipment. Wherein, the display screen subassembly includes: the display screen is provided with a light-transmitting area, and the light-transmitting area is used for transmitting incident light; the second optical lens is positioned below the light-transmitting area and used for converting incident light transmitted from the light-transmitting area into parallel light; the first optical lens is used for converging the parallel light to the photosensitive element. This disclosed display screen subassembly utilizes the aperture principle of imaging, through set up very little light transmission area on the display screen, comes the incident light in light transmission area, converts the parallel light into after the refraction of second optical lens piece, and the first optical lens piece of rethread assembles the parallel light to photosensitive element in order to form the image of falling for the light transmission area of this disclosed display screen reduces by a wide margin, improves the aesthetic feeling, promotes user experience.

Description

Display components and terminal equipment

technical field

The present invention relates to the field of camera technology, and in particular, to a display screen assembly and a terminal device.

Background technique

With the continuous advancement of technology, more and more terminal devices are equipped with camera modules. Taking a mobile phone as an example, at present, the front camera module of the mobile phone is opened through the display screen, so that the external light can penetrate the opening and enter the camera module, and image the camera module.

However, as people continue to pursue the appearance of a full-screen display, the area of the opening on the display screen is relatively large, which affects the aesthetics and is not conducive to the development of a full-screen display.

SUMMARY OF THE INVENTION

In order to overcome the problems existing in the related art, the present invention provides a display screen assembly and a terminal device.

According to a first aspect of the embodiments of the present invention, there is provided a display screen assembly, wherein the display screen assembly includes: a display screen provided with a light-transmitting area, the light-transmitting area being used to transmit incident light; a second optical a lens, located below the light-transmitting area, the second optical lens is used for converting the incident light transmitted from the light-transmitting area into parallel light; the first optical lens is used for converting the parallel light converge to the photosensitive element.

In one embodiment, the focal point of the second optical lens is located in the light-transmitting area.

In one embodiment, the light-transmitting area is a through hole disposed on the display screen.

In one embodiment, the display screen includes a substrate and a plurality of pixel units disposed on a first surface of the substrate, and the light-transmitting area is formed in a gap between two adjacent pixel units.

In one embodiment, a convex lens microstructure is formed on the second surface of the substrate, the convex lens microstructure corresponds to the light-transmitting area, and the second surface is opposite to the first surface, wherein, The convex lens microstructure is formed as the second optical lens.

In one embodiment, the first optical lens is located below the second optical lens, and the first optical lens and the second optical lens are coaxially arranged.

In one embodiment, the display screen assembly further includes: a middle frame for supporting the display screen; the first optical lens and the second optical lens are disposed on the middle frame.

According to a second aspect of the embodiments of the present invention, a terminal device is provided, including: the display screen assembly according to any one of the embodiments of the first aspect; and a camera module disposed below the display screen assembly.

In one embodiment, the camera module includes a lens holder and a photosensitive element, wherein the second optical lens, the second optical lens and the photosensitive element are from the object side to the image side of the camera module are arranged in the mirror holder in sequence.

In one embodiment, the terminal device includes: a middle frame supporting the display screen, the second optical lens is arranged on the middle frame; the camera module includes a mirror base and is arranged in the mirror base The photosensitive element is arranged on the image side of the lens module, and the first optical lens is positioned on the object side of the lens module.

In one embodiment, the camera module includes a lens holder, and a clamping fixture is provided on the lens holder, and the second optical lens and the first optical lens are from the object side of the camera module to the The image side is arranged on the clamping fixture in sequence, and the second optical lens and the first optical lens are both located above the lens holder.

The technical solutions provided by the embodiments of the present invention may include the following beneficial effects:

The display screen assembly of the present disclosure utilizes the principle of pinhole imaging. By setting a small light-transmitting area on the display screen, the incident light from the light-transmitting area is refracted by the second optical lens and converted into parallel light, and then passes through the first optical lens. The lens condenses the parallel light to the photosensitive element to form an inverted image, so that the light transmission area of the display screen of the present disclosure is greatly reduced, the aesthetic feeling is improved, and the user experience is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.

FIG. 1 is a schematic structural diagram of an under-screen camera module in the related art.

FIG. 2 is a schematic structural diagram of a mobile terminal according to an exemplary embodiment of the present disclosure.

FIG. 3 is a schematic structural diagram of a display screen assembly according to an exemplary embodiment of the present disclosure.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with some aspects of the invention as recited in the appended claims.

FIG. 1 is a schematic structural diagram of a display screen assembly in the related art.

As shown in FIG. 1 , a display screen assembly in the related art includes a cover plate and a display screen disposed under the cover plate. The display screen includes a substrate 201 and a plurality of pixels 202 disposed on the substrate 201 , two adjacent pixels 202 There is a gap 203 therebetween for external incident light to enter. A camera module is arranged below the display screen. The camera module includes a lens holder 206 , a lens assembly 204 and a photosensitive element 205 arranged in the lens holder 206 , wherein the lens assembly 204 is used for receiving the incident incident from the gap 203 . The light is refracted and then sent to the photosensitive element 205 for imaging. In the above solution, the gap 203 on the display screen for the incident light to enter is relatively large, which affects the aesthetics of the display screen and is not conducive to the realization of a full screen.

In view of the above problems, the present disclosure provides a display screen assembly, which can be applied to a terminal device, where the terminal device includes a camera module disposed below the display screen assembly.

FIG. 2 is a schematic structural diagram of a mobile terminal according to an exemplary embodiment of the present disclosure. As shown in FIG. 2 , the terminal device 100 may be a mobile phone, a tablet, a notebook computer, a display, a wearable device such as a smart watch, and the like. The present disclosure takes a mobile phone as an example for description, but is not limited thereto.

The terminal device 100 may include a casing 20 , a display screen assembly 10 disposed on the casing 20 , and a camera module 30 located below the display screen assembly 10 .

FIG. 3 is a schematic structural diagram of a display screen assembly according to an exemplary embodiment of the present disclosure. As shown in FIG. 3 , the display screen assembly 10 in the embodiment of the present disclosure may include a display screen 11 , a second optical lens 12 and a first optical lens 13 .

The display screen 11 is provided with a light-transmitting area 114, and the light-transmitting area 114 is used to transmit incident light. In an example, the light-transmitting area 114 may be a through hole provided on the display screen 11 , through which incident light from outside enters. In another example, the light-transmitting area 114 may be a gap between two pixel units of the display screen 11 , and external incident light enters through the gap between the two pixels. The light-transmitting area 114 is a hole with a smaller diameter, and its diameter may be approximately 0.2-0.4 mm.

For example, the display screen 11 may include a cover plate 113 and a display panel disposed under the cover plate 113 . The cover plate 113 may be a transparent cover plate for allowing outside light to pass through. The cover plate may be a transparent glass cover plate, a transparent resin cover plate, or the like.

The display panel may include a substrate 111 and a plurality of pixel units 112 disposed on the first surface of the substrate 111 , and the plurality of pixel units form a light-emitting layer. The substrate 111 is a transparent substrate for the outside light to pass through, and the substrate 111 can be a transparent glass substrate, a transparent resin substrate, or the like. A through hole may be formed on the display panel, that is, a through hole is formed on the substrate 111 and the light emitting layer, and the through hole is the light-transmitting area 114 .

A gap may be provided between two adjacent pixel units, and the gap is formed as a light-transmitting area 114 . For example, each pixel unit has a light-emitting area, wherein the first light-emitting area of the first pixel unit is reduced, and the second light-emitting area of the second pixel unit is reduced, so that the adjacent first pixel unit and the second pixel unit are reduced. The area of the first light-emitting area and the area of the second light-emitting area on the two pixel units are both reduced, and therefore, the gap between the first pixel unit and the second pixel unit is increased, thereby forming a light-transmitting area 114 for the outside world Light enters. But it is not limited to this. In another example, a part of the pixel units may be removed from the light emitting layer to form the light transmission region 114 . The display screen can be an LED display screen, an OLED organic light emitting diode display screen.

The second optical lens 12 is located below the light-transmitting area 114 , that is, the second optical lens 12 is located on the back of the display screen, and is correspondingly disposed in the light-transmitting area 114 , wherein the back of the display screen is opposite to the display surface. The second optical lens 12 is used for converting the incident light transmitted from the light-transmitting area 114 into parallel light.

The upper part of the embodiment of the present disclosure is the direction toward the outside of the display screen shown in FIG. 3 , and the lower part is the direction toward the inner side of the display screen shown in FIG. 3 .

The second optical lens 12 may include a light incident surface and a light exit surface. The light-incident surface may face the back of the display. The center of the second optical lens 12 may be coaxially disposed with the center of the light transmission area 114 . The incident light from the outside enters the light incident surface of the second optical lens 12 through the light transmission area 114 on the display screen 11 , and is refracted by the second optical lens 12 to form parallel light, and the parallel light is emitted from the light exit surface of the second optical lens 12 . The second optical lens 12 can be made of glass material or resin material. The second optical lens 12 may be a convex lens. The second optical lens 12 may be one lens, or may be a lens group composed of multiple lenses.

The first optical lens 13 is used for converging the parallel light into the camera module for imaging. The first optical lens 13 may include a light incident surface and a light exit surface. The center of the first optical lens 13 may be disposed coaxially with the center of the second optical lens 12 . The parallel light emitted from the light-emitting surface of the second optical lens 12 is incident on the light-incident surface of the first optical lens 13 , and is refracted by the first optical lens 13 and converges on the photosensitive element in the camera module to form an inverted image. The first optical lens 13 may be a convex lens. The first optical lens 13 may be one lens, or may be a lens group composed of multiple lenses.

To sum up, the incident light from the object to be photographed enters the second optical lens 12 through the light-transmitting area 114 of the display screen 11 , and is refracted by the second optical lens 12 to convert the incident light into parallel light and emit to the first optical lens 12 . The optical lens 13 is refracted and converged by the first optical lens 13 and then enters the photosensitive element 14 of the camera module. The incident light is photoelectrically converted in the photosensitive element 14 and an inverted image is formed. The image signal from the photosensitive element 14 is transmitted by the terminal device 100 The digital image processing unit inside processes the image, restores the inverted image, and then displays the processed image on the display screen 11 of the terminal device 100 .

The photosensitive element may be a charge coupled device (CCD) or a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS).

The display screen assembly 10 of the present disclosure utilizes the principle of pinhole imaging, by setting a small light-transmitting area on the display screen 11, and then converting the incident light transmitted from the light-transmitting area 114 of the display screen 11 through the second optical lens 12 is parallel light, and then, the parallel light is collected by the first optical lens 13 and then enters the photosensitive element in the camera module to form an inverted image, so that the light-transmitting area 114 of the display screen 11 of the present disclosure can be greatly reduced, and the aesthetic feeling can be improved, Improve user experience.

In one embodiment, the focal point F of the second optical lens 12 is located in the light-transmitting area 114 , that is, the light-transmitting area 114 is provided at the focal point of the second optical lens 12 of the display screen 11 . The closer the light transmission area 114 of the display screen 11 is to the focus F of the second optical lens 12, the smaller the light transmission area 114 may be. The focal point F of the second optical lens 12 is located in the light-transmitting area 114 , the light-transmitting area 114 of the display screen can be minimized, the aesthetic feeling of the display screen 11 is improved, and the imaging quality of the photographed object is favorable.

The center of the light-transmitting area 114 may coincide with the focus F. For example, since there may be deviations when the second optical lens 12 is assembled with the display screen 11 , the distance between the light-transmitting area 114 and the single side of the focal point may be appropriately increased by 0.1 mm-0.2 mm.

However, the present disclosure is not limited thereto, and the focal point F of the second optical lens 12 may also be located above or below the light-transmitting area 114 .

In one embodiment, the second optical lens 12 is formed with a convex lens microstructure formed on the second surface of the substrate 111, the convex lens microstructure corresponds to the light-transmitting area 114, and the second surface of the substrate 111 is opposite to the first surface, The convex lens microstructure is formed as the second optical lens 12 .

A downwardly protruding structure is formed on the second surface of the substrate 111 at a position corresponding to the light-transmitting area 114 to form a second optical lens 12 to convert the incident light transmitted from the light-transmitting area 114 into parallel light rays into the first optical lens 13 . By arranging the convex lens structure on the substrate 111 , there is no need to additionally dispose a separate second optical lens, which saves costs, and also does not need to dispose a supporting and fixing structure, so that the thickness of the display screen assembly 10 can be reduced.

In one embodiment, the first optical lens 13 is located below the second optical lens 12 , that is, the light incident surface of the first optical lens 13 faces the light exit surface of the second optical lens 12 , and the first optical lens 13 and the second optical lens 13 are opposite to each other. The two optical lenses 12 are coaxially arranged. The incident light passing through the light-transmitting area 114 of the display screen 11 is refracted by the second optical lens 12 to form parallel light, and the parallel light directly enters the first optical lens 13 and then converges to the camera module through the first optical lens 13 on the photosensitive element 14 of the group.

But not limited to this, the parallel light emitted from the second optical lens 12 can also be reflected to the light incident surface of the first optical lens 13 through the reflective element, and then converged by the first optical lens 13 to exit the light from the first optical lens 13 face shot.

The center of the first optical lens 13 and the center of the second optical lens 12 may be located on the optical axis of the camera module, so as to ensure the image quality incident on the photosensitive element 14 of the camera module.

In one embodiment, the display screen assembly 10 further includes a middle frame. The middle frame is used to support the display screen 11 . The first optical lens 13 and the second optical lens 12 are arranged on the middle frame.

The middle frame can be supported on the back of the display screen 11, and a part of the middle frame facing the light-transmitting area 114 of the display screen 11 is provided with an accommodating space, and the accommodating space includes a first accommodating space and a second accommodating space that are connected to each other. The second accommodating space is closer to the display screen 11 than the first accommodating space, the second optical lens 12 is accommodated in the second accommodating space, and the first optical lens 13 is accommodated in the second accommodating space.

According to a second aspect of the present disclosure, a terminal device 100 is provided, including the display screen assembly 10 described in any embodiment of the first aspect and a camera module 30 disposed below the display screen assembly 10 .

The terminal device 100 may be a mobile phone, a tablet, a notebook computer, a display, a wearable device such as a smart watch, and the like. The present disclosure takes a mobile phone as an example for description, but is not limited thereto.

The terminal device 100 may include the housing 20 . The housing 20 may also be referred to as a middle frame, and the middle frame may include a bottom wall and a frame extending from around the bottom wall to the display screen assembly 10 . The frame and the bottom wall form a casing of the terminal device 100 for supporting and accommodating the display screen 11 and the camera module 30 .

In the terminal device 100 of the present disclosure, by setting the display screen assembly 10 provided by the present disclosure, and using the principle of pinhole imaging, a small light-transmitting hole (light-transmitting area) is opened on the display screen 11 for external incident light to enter the camera module 30 , and perform imaging, so that the display screen 11 can hardly see the light-transmitting hole in appearance, which improves the aesthetic feeling of the whole terminal device and facilitates the realization of a full screen.

In one embodiment, the camera module includes a lens holder 15 and a photosensitive element 14 , wherein the second optical lens 12 , the first optical lens 13 and the photosensitive element 14 are sequentially arranged on the lens from the object side to the image side of the camera module 30 . Inside seat 15. The object side is the side close to the object to be photographed, and the image side is the side close to the image.

The photosensitive element may be a charge coupled device (CCD) or a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS).

The first optical lens 13 , the second optical lens 12 and the photosensitive element 14 are all disposed in the lens holder 15 and formed as a whole, which is convenient for subsequent users or maintenance personnel to replace.

Further, the first optical lens 13 may be disposed at the end of the lens holder 15 , and the photosensitive element 14 may be disposed at the bottom of the lens holder 15 . One or more lenses are also arranged in the lens holder 15 and between the first optical lens 13 and the second optical lens 12 to change the refraction path of the light. The multiple lenses can be concave lenses or convex lenses, or a combination of concave and convex lenses.

The above-mentioned second optical lens 12 and the first optical lens 13 are not limited to be disposed in the lens holder 15 . In one embodiment, the second optical lens 12 can also be disposed in the middle frame, and the first optical lens 13 is disposed in the lens holder 15 . inside and on the object side of the lens module.

In one embodiment, a clamping fixture is provided on the lens seat 15 of the camera module, and the second optical lens 12 and the first optical lens 13 are sequentially arranged on the clamping fixture from the object side to the image side of the camera module. , and both the second optical lens 12 and the first optical lens 13 are located above the lens holder 15 , and the top of the lens holder 15 faces the display screen.

Exemplarily, the clamping jig may include a fixing sleeve disposed on the upper end of the mirror base 15, the fixing sleeve has a hollow structure, and the inner wall of the fixing sleeve is provided with a first accommodating groove and a second accommodating groove that communicate with each other, wherein , the second accommodating groove is arranged close to the display screen, the edge of the second optical lens 12 can be embedded in the second accommodating groove, and the edge of the first optical lens 13 can be embedded in the first accommodating groove.

In one example, the fixing sleeve can be detachably disposed on the lens holder 15 . For example, the upper end of the mirror base 15 is provided with a buckle structure, and the fixing sleeve is provided with a buckle structure matching the buckle structure.

The first optical lens 13 and the second optical lens 12 are fixed by the clamping jig, and the first optical lens 13 and the second optical lens 12 can be used as an independent module, which does not interfere with the camera module and the display screen during maintenance and replacement. Improve convenience.

It should be understood that, in the present invention, "a plurality" refers to two or more than two, and other quantifiers are similar. "And/or", which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone. The character "/" generally indicates that the associated objects are an "or" relationship. The singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

It is further understood that the terms "first", "second", etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions "first", "second" etc. are used completely interchangeably. For example, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present invention.

It is further understood that the terms "center", "portrait", "horizontal", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal" "," "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present embodiment and simplifying the description, rather than indicating Or imply that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation.

It should be further understood that, unless otherwise specified, "connection" includes a direct connection between the two without other components, and also includes an indirect connection between the two with other elements.

It should be further understood that, although the operations in the embodiments of the present invention are described in a specific order in the drawings, it should not be construed as requiring that the operations be performed in the specific order shown or the serial order, or requiring Perform all operations shown to obtain the desired result. In certain circumstances, multitasking and parallel processing may be advantageous.

Other embodiments of the invention will readily suggest themselves to those skilled in the art upon consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses or adaptations of the invention which follow the general principles of the invention and which include common knowledge or conventional techniques in the art not disclosed by the invention . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the invention being indicated by the following claims.

It should be understood that the present invention is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims (11)

1. A display screen assembly, wherein the display screen assembly comprises: The display screen is provided with a light-transmitting area, and the light-transmitting area is used to transmit incident light; a second optical lens, located below the light-transmitting area, the second optical lens is used for converting the incident light transmitted from the light-transmitting area into parallel light; The first optical lens is used for converging the parallel light to the photosensitive element. 2. The display screen assembly of claim 1, wherein The focal point of the second optical lens is located in the light transmission area. 3. The display screen assembly according to claim 1 or 2, characterized in that, The light-transmitting area is a through hole provided on the display screen. 4. The display screen assembly according to claim 1 or 2, characterized in that, The display screen includes a substrate and a plurality of pixel units arranged on the first surface of the substrate, The light-transmitting area is formed in a gap between two adjacent pixel units. 5. The display screen assembly of claim 4, wherein A convex lens microstructure is formed on the second surface of the substrate, the convex lens microstructure corresponds to the light-transmitting area, the second surface is opposite to the first surface, wherein the convex lens microstructure is formed is the second optical lens. 6. The display screen assembly according to claim 1 or 2, characterized in that, The first optical lens is located below the second optical lens, and the first optical lens and the second optical lens are coaxially arranged. 7. The display screen assembly of claim 1, wherein the display screen assembly further comprises: a middle frame for supporting the display screen; The first optical lens and the second optical lens are arranged on the middle frame. 8. A terminal device, comprising: The display screen assembly of any one of claims 1 to 7; and The camera module is arranged below the display screen assembly. 9. The terminal device according to claim 8, wherein, The camera module includes a lens holder and a photosensitive element, wherein the second optical lens, the first optical lens and the photosensitive element are sequentially arranged on the lens from the object side to the image side of the camera module. inside the seat. 10. The terminal device according to claim 8, wherein the terminal device comprises: a middle frame for supporting the display screen, and the second optical lens is arranged on the middle frame; The camera module comprises: a mirror base and a photosensitive element arranged in the mirror holder, the photosensitive element is arranged on the image side of the camera module, The first optical lens is disposed in the lens holder on the object side of the camera module. 11. The terminal device according to claim 8, wherein, The camera module includes a mirror base, A clamping jig is arranged on the lens holder, the second optical lens and the first optical lens are sequentially arranged on the clamping jig from the object side to the image side of the camera module, and the Both the second optical lens and the first optical lens are located above the lens holder.

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