CN106774689B - Displays, display components and terminals - Google Patents

Abstract

An embodiment of the present invention discloses a display screen; the display screen includes a main display area and a secondary display area, and the secondary display area is a transparent display area so that an optical fingerprint module on the rear side of the display screen can collect the secondary display area fingerprints on. The display screen can achieve a display effect of a large screen. In addition, the present invention also relates to a display screen assembly and a terminal having the display screen.

Description

Displays, display components and terminals

Technical field

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

Background technique

Terminals such as smartphones, tablet PCs, notebook PCs, and PDAs include display screens for providing images or videos to users.

Such terminals may include various functions and display functions, such as camera functions, user identification functions, fingerprint identification functions, etc. With the development of intelligent communication technology, providing large screens for image display has become a new issue.

At present, terminals generally have fingerprint recognition functions. Therefore, it is necessary to set up a non-display area for the terminal and open a fingerprint installation hole in the non-display area to install the fingerprint recognition module. It can be seen that when the size of the terminal is fixed, the non-display area needs to be set for the fingerprint recognition module to open a fingerprint mounting hole, which greatly limits the large-screen display of the terminal.

Contents of the invention

Embodiments of the present invention provide a display screen, a display screen assembly and a terminal, which can achieve the effect of large-screen image display.

Additional aspects of the invention will be set forth in part in the description which follows, or in part will be apparent from the description, or may be learned by practice of exemplary embodiments of the invention.

According to an aspect of an exemplary embodiment, a display screen includes a main display area and a secondary display area, and the secondary display area is a transparent display area so that an optical fingerprint module on the rear side of the display screen collects all fingerprint on the secondary display area.

According to an aspect of another exemplary embodiment, a display screen assembly includes: a display screen and an optical fingerprint module, the optical fingerprint module is located on the rear side of the display screen to collect the secondary The fingerprint on the display area is displayed, and the display screen is the display screen as mentioned above.

According to an aspect of another exemplary embodiment, a terminal includes a printed circuit board and a display screen; the printed circuit board is electrically connected to the display screen, and the display screen is the display screen as described above .

According to an aspect of another exemplary embodiment, a terminal includes: a display screen assembly, a printed circuit board and a housing; the printed circuit board is electrically connected to the display screen assembly; the display screen assembly The printed circuit board is arranged in the housing, and the display screen assembly is the display screen assembly as described.

The display screen, display screen assembly and terminal provided by the embodiment of the present invention realize the fingerprint recognition function of the terminal by setting a transparent secondary display area, so that the display screen no longer needs to set a non-display area that does not display images for the fingerprint recognition module. Effectively increase the area of the display area, thereby achieving a large-screen display effect.

Before proceeding to the detailed description below, it is advantageous to define certain words and phrases used in this patent document: the term "comprise" and its derivatives mean including but not limited to; the term "or" has an inclusive meaning. , indicating and/or; the phrases "associated with" and "associated with" and their derivatives may mean including, being included in, interconnected with, containing, contained within, connected to or with ... connect, couple to or be coupled with, communicate with, collaborate with, intersect, juxtapose, be adjacent to, bond to or bond with, have, have the properties of, etc. ; and the term "controller" means any device, system, or portion thereof that controls at least one operation, such device may be implemented in hardware, firmware, or software, or some combination of at least two. It should be noted that the functionality associated with any particular controller may be distributed or centralized, either locally or remotely. Definitions of certain words and phrases are provided in this patent document, and those skilled in the art will understand that in many, if not most, cases these definitions apply to prior and future definitions of such words and phrases use.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic plan view of a terminal according to an embodiment of the present invention.

FIG. 2 is another schematic plan view of a terminal according to an embodiment of the present invention.

FIG. 3 is a first schematic plan view of a display screen according to an embodiment of the present invention.

Figure 4 is a schematic cross-sectional view of a display screen assembly according to an embodiment of the present invention.

FIG. 5 is a second schematic plan view of a display screen according to an embodiment of the present invention.

FIG. 6 is a third schematic plan view of a display screen according to an embodiment of the present invention.

FIG. 7 is a fourth schematic plan view of a display screen according to an embodiment of the present invention.

FIG. 8 is a fifth schematic plan view of a display screen according to an embodiment of the present invention.

FIG. 9 is a sixth schematic plan view of a display screen according to an embodiment of the present invention.

FIG. 10 is a seventh schematic plan view of a display screen according to an embodiment of the present invention.

FIG. 11 is another schematic cross-sectional view of the display screen assembly according to the embodiment of the present invention.

Figure 12 is an exploded schematic diagram of a terminal according to an embodiment of the present invention.

Figure 13 is another schematic plan view of a terminal according to an embodiment of the present invention.

Figure 14 is another exploded schematic diagram of a terminal according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present invention.

The terms "first", "second", "third", etc. (if present) in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific sequence. Or sequence. It is to be understood that objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

In this patent document, Figures 1 through 14 discussed below and the various embodiments used to describe the principles of the present disclosure are for illustration only and should not be construed to limit the scope of the present disclosure. Those skilled in the art will understand that the principles of the invention may be implemented in any suitably arranged device. Exemplary embodiments will be described in detail, examples of which are illustrated in the accompanying drawings. Furthermore, the terminal according to the exemplary embodiment will be described in detail with reference to the accompanying drawings. The same reference numbers in the drawings refer to the same elements.

Although terms such as "first," "second," and the like may be used to describe various embodiments, such components are not necessarily limited to the above terms. The above terms are only used to distinguish between different components. For example, a first element could be termed a second element, and similarly, a second element could be termed a first element, without departing from the scope of example embodiments. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terminology used in the description of the present invention is used only to describe specific embodiments and is not intended to illustrate the concepts of the present invention. An expression used in the singular covers expressions in the plural unless the context clearly indicates a different meaning. In the description of the present invention, it should be understood that terms such as "comprising," "having," and "containing" are intended to indicate the presence of features, numbers, steps, actions, components, parts, or combinations thereof disclosed in the description of the present invention, but do not It is intended to exclude the possibility that one or more other features, figures, steps, actions, parts, parts or combinations thereof may be present or may be added. The same reference numbers in the drawings refer to the same elements.

FIG. 1 shows a front view of a terminal 100 according to an exemplary embodiment of the present invention. FIG. 2 shows a front view of the terminal 100 according to another exemplary embodiment. 1 and 2 illustrate a smartphone as an embodiment of the terminal 100, but terminals including a display screen 20 such as tablet PCs, notebook PCs, and PDAs may also be used as embodiments.

Referring to FIGS. 1 to 4 , a terminal 100 according to an exemplary embodiment may include a display screen 20 , an optical fingerprint module 60 and a housing 40 . The display screen 20 may include a main display area 21 and a secondary display area 22 .

Display 20 may be housed in housing 40. Housing 40 may be composed of a single component or multiple components that may be assembled. The housing 40 may include at least one of plastic material, ceramic material, and metallic material.

The display screen 20 is used to display electronic files, and the display screen 20 can display information such as images, videos, or texts. Display screen 20 may include a front surface that displays information, and a rear surface located on an opposite side of the front surface.

The display screen 20 may include a main display area 21 and a secondary display area 22 . The main display area 21 can display information such as images, videos, or texts. The secondary display area 22 can also display information such as images, videos, or text.

In this embodiment, the main display area 21 and the auxiliary display area 22 can cooperate to display a complete picture. For example, when displaying an image, the main display area 21 can display a part of the image, and the auxiliary display area 22 can display the remaining part of the image. When the main display area 21 and the auxiliary display area 22 cooperate to display a complete picture, the main display area 21 can be used to display most of the image information, and the auxiliary display area 22 can be used to display the remaining image information.

Preferably, the main display area 21 and the auxiliary display area 22 display images in a spliced manner, that is, the image displayed in the main display area 21 and the image displayed in the auxiliary display area can be spliced into a complete image.

When the main display area 21 and the sub-display area 22 cooperate to display a complete picture, the image information that needs to be displayed can be allocated according to the sizes of the main display area 21 and the sub-display area 22 .

In some embodiments, the main display area 21 and the secondary display area 22 can also independently display different images. For example, the main display area 21 displays the first image, and the sub-display area 22 displays the second image. For another example, the main display area 21 displays interface images, and the secondary display area 22 displays fingerprint recognition icons and so on.

Preferably, in order to improve the picture display quality, the main display area 21 and the auxiliary display area 22 are arranged coplanarly, that is, the information display surfaces of the main display area 21 and the auxiliary display area 22 are on the same plane. For example, when the main display area 21 and the auxiliary display area 22 have different thicknesses, priority is given to ensuring that the information display surfaces of the main display area 21 and the auxiliary display area 22 are on the same plane during assembly.

Of course, in some embodiments, the main display area 21 and the auxiliary display area 22 may not be coplanar. For example, the main display area 21 is slightly higher than the sub-display area 22 and so on.

In some embodiments, the area of the secondary display area 22 is smaller than the area of the main display area 21 . Referring to FIG. 1 , the area of the secondary display area 22 is much smaller than the area of the main display area 21 . The area of the secondary display area 22 is related to the size of the optical fingerprint module 60. For example, the larger the optical fingerprint module 60 is, the larger the area of the secondary display area 22 will be in order to be able to collect fingerprints.

The main display area 21 is at least partially arranged around the auxiliary display area 22. For example, with reference to FIGS. 1 and 2, a part of the main display area 21 surrounds the auxiliary display area 22, and a part of the auxiliary display area 22 is surrounded by the main display area 21. .

In some embodiments, the main display area 21 may be completely arranged around the secondary display area 22 , and the secondary display area 22 is surrounded by the main display area 21 . For example, referring to FIG. 5 , the secondary display area 22 is completely surrounded by the main display area 21 .

In order to improve the picture display quality and simplify the display screen manufacturing process, in this embodiment, the secondary display area 22 can be formed on the edge of the display screen 20 . Specifically, the secondary display area 22 may be directly connected to the edge of the display screen 20 .

For example, referring to FIG. 1 , a secondary display area 22 is formed on the bottom edge of the display screen 20 , and is connected to the bottom edge of the display screen 20 . For another example, referring to FIG. 2 , a secondary display area 22 is formed on the top edge of the display screen 20 , and is connected to the top edge of the display screen 20 . For another example, referring to FIG. 6 , the sub-display area 22 is formed on the side edge of the display screen 20 and is connected to the side edge.

In some embodiments, in order to beautify the display screen, improve the picture display quality, and reduce the manufacturing process of the display screen, the secondary display area 22 can also be provided at the intersection of the side and the bottom of the display screen 20 . For example, referring to FIG. 7 , the auxiliary display area 22 may be formed at the intersection of the bottom edge and the side edge of the display screen 20 , and the auxiliary display area 22 is connected to the bottom edge and the side edge of the display screen 20 respectively.

In order to facilitate the user to input fingerprints and according to the user's habit of using the terminal, the auxiliary display area 22 may be disposed in the lower middle part of the main display area 21 . In some embodiments, the secondary display area 22 can also be disposed at the top middle of the main display area 21 , such as as shown in FIG. 1 . In addition, the auxiliary display area 22 can also be provided on the side of the main display area 21, for example, as shown in FIG. 6 .

In some embodiments, referring to FIG. 8 , the secondary line area 22 may be disposed at the center of the main display area 21 , and the secondary display area 22 is completely surrounded by the main display area 21 .

In this embodiment, the outline shape of the sub-display area 22 may be of various shapes, for example, it may be one or more of an arc shape, a rounded rectangle, and a rounded square. For example, with reference to FIGS. 1 to 3 , the auxiliary display area 22 has a semicircular shape, and with reference to FIGS. 5 and 8 , the auxiliary display area 22 has a circular shape. For another example, referring to FIG. 9 , the outline of the sub-display area 22 is composed of multiple arc segments.

In some embodiments, the outline of the secondary display area 22 may be rectangular. For example, referring to FIG. 10 , a rectangular secondary display area 22 is provided at the bottom of the main display area 21 .

In order to enable the optical fingerprint module 60 to collect the user's fingerprint, the secondary display area 22 in this embodiment is a transparent display area. In this way, the optical fingerprint module 60 can collect the user's fingerprint through the transparent secondary display area 22 .

Referring to Figure 4, the optical fingerprint module 60 is located on the rear side of the display screen 20. The optical fingerprint module 60 can emit light signals to the secondary display area 22. When the fingerprint is placed on the secondary display area 22, the optical signals will pass through the transparent secondary display area 22. When the display area 22 reaches the fingerprint, reflection will occur. Since the emitted light signal refracts on the uneven lines of the fingerprint on the surface of the finger, the angle of refraction is different and the brightness of the light reflected back is different. Therefore, the optical fingerprint module 60 can reflect the light signal according to the reflected light. The optical signal acquires the fingerprint image to collect the user's fingerprint information. In this embodiment, “front” refers to the direction toward which the side of the display screen 20 that displays information faces, and “rear” refers to the opposite direction to the “front”.

Preferably, the secondary display area 22 can be spliced with the main display area 21 to display information, such as image information, in the display mode, and used to implement the fingerprint recognition function in the fingerprint recognition mode. For example, in the fingerprint recognition mode, the secondary display area 22 becomes transparent so that the optical fingerprint module 60 can collect fingerprints.

In some embodiments, the secondary display area 22 can continue to display information spliced with the main display area 21 in the fingerprint recognition mode. For example, when the main display area 21 and the secondary display area 22 are spliced to display video images, the user can input a fingerprint through the secondary display area 22 for fingerprint recognition, etc.

Since the display screen 20 is provided with a transparent sub-display area 22, the optical fingerprint module 60 can collect user fingerprints through the sub-display area 22 to implement the fingerprint recognition function. There is no need to set up an independent non-display area for the fingerprint module, which can increase the display size. The screen-to-body ratio of the display area on the screen 20 is adjusted to achieve a large-screen display effect.

In this embodiment, the main display area 21 and the auxiliary display area 22 can be formed on a complete display screen. Referring to Figure 11, the display screen 20 is a complete display screen, and the display screen 20 includes an integrated main display area 21. and a transparent secondary display area 22; the optical fingerprint module 60 is provided on the rear side of the secondary display area 22.

In some embodiments, the main display area 21 and the secondary display area 22 may be formed on two display screens. That is, the display screen 20 is composed of two display screens spliced together. The display screen 20 may include a main display screen and a secondary display screen. The main display area 21 is implemented by the main display screen, and the secondary display area 22 is implemented by the secondary display screen.

The secondary display area 22 may be a transparent display screen with an independent display function. For example, it can be a transparent OLED display. The main display area can be a display screen with independent display function, for example, it can be an LCD display screen. For example, referring to FIG. 4 , the main display area 21 may be a non-transparent display screen, the transparent display screen may include a display module 210 and a backlight module 211 , and the secondary display area 22 may be a transparent OLED display screen.

In some embodiments, the main display area 21 may include an LCD display module and an LCD backlight module.

In this embodiment, the optical fingerprint module 60 can be disposed below the display screen 20 , that is, on the rear side of the display screen 20 . In this embodiment, “front” refers to the direction toward which the side of the display screen 20 that displays information faces, and “rear” refers to the opposite direction to the “front”.

Preferably, in order to quickly collect fingerprints and improve fingerprint recognition speed, in this embodiment, the optical fingerprint module 60 can be located below the secondary display area 22 , that is, on the rear side of the secondary display area 22 . For example, referring to FIG. 4 , when the secondary display area 22 is a transparent OLED display, the optical fingerprint module may be located on the back side of the OLED display. Preferably, the optical fingerprint module 60 can face the secondary display area 22 . For example, the light-emitting and receiving surface of the optical fingerprint module 60 faces the secondary display area 22 .

In some embodiments, the optical fingerprint module 60 can also be located on the rear side of the main display area 21 , and can provide a light guide structure below the secondary display area 22 , that is, on the rear side, to collect fingerprints on the secondary display area 22 . The optical fingerprint module 60 can emit light signals through the light guide structure, and the light signals are emitted to the secondary display area 22 through the light guide structure. When the user's fingerprint is placed on the secondary display area 22, the light signal is reflected by the fingerprint, and the reflected light signal passes through the light guide structure. It is emitted to the optical fingerprint module 60 to realize fingerprint collection. The light guide structure can be a reflective structure such as a prism.

In some embodiments, the main display area 21 is also provided with a functional area for installing functional components, wherein the secondary display area 22 is located within the functional area.

Among them, the functional component may be a module that does not perform the display function but performs other functions. For example, a functional component may be a sensor module for transmitting signals or receiving signals from the outside. For example, the functional component can be a fingerprint module, etc.

Preferably, the functional area may be a functional hole. Referring to FIG. 3 , the main display area 21 may also be provided with a functional hole 212 ; the auxiliary display area 22 is located in the functional hole 212 . The auxiliary display area 22 can be connected with the functional hole 212 . When the secondary display area 22 is a transparent display screen, the side walls of the display screen are connected to the side walls of the functional hole 212 . In actual application, the transparent display screen and the main display screen are arranged coplanarly. The functional hole 212 can be formed through a cutting process, such as CNC cutting process.

The functional hole 212 may have a variety of shapes, such as at least one of an arc shape, a rounded rectangle, a rounded square, and the like. Referring to FIG. 3 , the shape of the functional hole 212 may be semicircular.

In this embodiment, the outline shape of the auxiliary display area 22 can be adapted to the shape of the functional hole 212 . The auxiliary display area 22 is located in the functional hole 212 and connected with the functional hole 212 to ensure the integrity of the display screen 20 .

In practical applications, when the main display area 21 is a main display screen and the auxiliary display area 22 is a transparent display screen, the transparent display screen can be installed in the functional hole 212, and the transparent display screen and the main display screen are co-planar, and the main display screen The screen and the transparent display screen are spliced to form a complete display screen 20. When the user looks from the front side of the display screen 20 , the user can feel that the display screen 20 is an integrated display screen. Among them, the transparent display screen is connected to the side wall of the functional hole on the main display screen, such as dispensing glue to the gap between the transparent display screen and the main display screen through a glue dispensing process, so that the transparent display screen and the main display screen are closely connected.

In some embodiments, referring to FIG. 4 , when the main display area 21 is a non-transparent display screen, and the non-transparent display screen includes a display module 210 and a backlight module 211 , the functional hole 212 passes through the display module 210 and the backlight module 211 . Backlight module 211.

In order to save terminal design space, optionally, the backlight module 211 can be at least partially disposed around the optical fingerprint module 60 . Referring to FIG. 4 , the backlight module 211 is partially arranged around the optical fingerprint module 60 , and the optical fingerprint module 60 is connected to the bottom edge of the backlight module 211 .

Figure 12 shows an exploded schematic diagram of the terminal 100.

Referring to FIG. 12 , the terminal 100 may include a cover 10 , a display screen 20 , a printed circuit board 30 and a housing 40 . The terminal 100 may further include a battery 50 . The display screen 20 may be electrically connected to the printed circuit board 30 via a flexible printed circuit.

The cover 10 may be disposed in front of the display screen 20 . The cover 10 can protect the front surface of the display screen 20 and expose the information displayed on the display screen 20 to the outside.

In some embodiments, referring to FIGS. 13 and 14 , the cover 10 may also have an exposed area 11 that exposes information displayed by the display screen 20 , and a non-exposed area 12 that blocks external visibility. The non-exposed area 12 may include a light shielding layer, such as a black underlay, thereby rendering the interior of the terminal 100 invisible. In some embodiments, the light shielding layer is an ink layer.

Referring to FIGS. 13 and 14 , the display screen 20 may further include a non-display area 23 in which information is not displayed. The non-display area 23 may be provided outside the main display area 21 . The non-display area 23 can be used to set an IC (Integrated Circuit), which is used to control information display on the display screen 20 or to set functional devices such as proximity sensors and front cameras.

The non-exposed area 12 of the cover 10 may be disposed in front of the non-display area 23 of the display screen 20 and prevent the non-display area 23 of the display screen 20 from being seen from the outside.

In some embodiments, as shown in FIG. 1 , the display screen 20 may not include a non-display area, that is, it may only include a main display area 21 and a secondary display area 22 . At this time, the IC used to control the information displayed on the display screen 20 can be arranged in the thickness direction of the display screen 20 or the like.

Referring to FIG. 12 , in this embodiment, the display screen 20 and the optical fingerprint module 60 may constitute the display screen assembly 101 .

As mentioned above, the display screen, display screen assembly and terminal provided by the embodiments of the present invention form at least one transparent sub-display area on the display screen to facilitate optical fingerprint collection, so that the display screen no longer needs to be configured with a fingerprint module. Display the non-display area of the image, effectively increasing the area of the display area, thereby achieving a large-screen display effect.

To facilitate an understanding of one or more exemplary embodiments, reference is made to the exemplary embodiments illustrated in the drawings, and specific language is used to describe the same. However, this specific language is not intended to limit the scope of the inventive concept, but the exemplary embodiments are to be understood to cover all exemplary embodiments commonly understood by those skilled in the art.

The words "mechanism," "element," "means," and "configuration" are intended to refer generally to, and are not limited to, mechanical or physical embodiments, but may include software programs in combination with processors and the like.

The specific embodiments shown and described herein are illustrative examples of the invention and are not intended to limit the scope of the invention in any way. For the sake of brevity, conventional electronics, control systems, software development, and other functional aspects of the system (as well as components within the individual operating components of the system) may not be described in detail. Furthermore, the connecting lines or connectors illustrated in the various figures are intended to represent exemplary functional relationships and/or physical or logical connections between various elements. It should be noted that many alternative or additional functional relationships, physical or logical connections may exist in an actual device. Furthermore, unless an element is specifically described as "essential" or "critical," no part or component is essential to the practice of the invention. In terms of technology, the words "including", "having", etc. used in this article express an open meaning.

Where the terms "a," "the," and similar words are used in describing the inventive concept (especially in the appended claims), these terms should be construed to cover both the singular and the plural. Furthermore, unless otherwise indicated herein, when numerical ranges are recited herein, they are merely a shorthand way of referring to each individual value falling within the associated range, and each individual value is incorporated into this specification as if These values are stated individually in this article. Additionally, the steps of all methods described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. Variations of the present invention are not limited to the sequence of steps described. The use of any and all examples, or exemplary language (eg, "such as") provided herein is intended solely to better illuminate the concepts of the invention and does not pose a limitation on the scope of the concepts of the invention unless otherwise claimed. Various modifications and adaptations will be readily apparent to those skilled in the art without departing from the spirit and scope.

It is to be understood that the exemplary embodiments described herein are to be considered illustrative only and not limiting. Descriptions of features or aspects within each exemplary embodiment should generally be considered as applicable to similar features or aspects in other exemplary embodiments. Although the present invention has been described with reference to exemplary embodiments, various changes and modifications may be suggested to those skilled in the art. The present invention is intended to cover such changes and modifications within the scope of the appended claims.

Claims (13)

1. A display screen, comprising;

the display screen comprises a main display area and a secondary display area, and the main display area and the secondary display area can display images; the main display area is a non-transparent display screen, the non-transparent display screen comprises a display module and a backlight module, the main display area is provided with functional holes, and the functional holes penetrate through the display module and the backlight module;

the auxiliary display area is a transparent OLED display screen, the transparent OLED display screen is arranged in the functional hole, and the rear side of the transparent OLED display screen is used for arranging an optical fingerprint module so that the optical fingerprint module at the rear side of the display screen can collect fingerprints on the auxiliary display area;

the non-transparent display screen and the transparent OLED display screen are spliced to form a complete display screen.

2. The display screen of claim 1, wherein the primary display area is tiled with a secondary display area to display an image.

3. A display screen as recited in claim 2, wherein the primary display area and the secondary display area are disposed coplanar, the secondary display area having an area smaller than an area of the primary display area.

4. The display screen of claim 1, wherein the primary display area is disposed at least partially around the secondary display area.

5. A display screen as recited in any one of claims 1-4, wherein the secondary display area is formed at an edge of the display screen.

6. The display screen of any one of claims 1-4, wherein the secondary display area is located in a bottom middle of the primary display area.

7. The display screen of any one of claims 1-4, wherein the outline shape of the secondary display area is one or more of circular arc, rounded rectangle, rounded square.

8. The display screen of any one of claims 1-4, wherein the secondary display area is a transparent display screen having a stand-alone display function.

9. A display screen assembly, comprising: a display screen and an optical fingerprint module;

the display screen is as claimed in any one of claims 1 to 8;

the optical fingerprint module is positioned at the rear side of the display screen and is used for collecting fingerprints on the auxiliary display area.

10. The display screen assembly of claim 9, wherein the primary display area is a non-transparent display screen, the non-transparent display screen including a display module and a backlight module, the functional aperture passing through the display module and backlight module, the backlight module being disposed at least partially around the optical fingerprint module.

11. A terminal comprising a printed circuit board and a display screen; the printed circuit board is electrically connected to the display screen, which is the display screen according to any one of claims 1 to 8.

12. The terminal of claim 11, further comprising:

the cover plate is arranged in front of the display screen and covers the display screen;

and the display screen and the printed circuit board are arranged in the shell.

13. A terminal, the terminal comprising: a display screen assembly, a printed circuit board and a housing; the printed circuit board is electrically connected to the display screen assembly; the display screen assembly and the printed circuit board are disposed in the housing, the display screen assembly being as claimed in any one of claims 9 to 10.