CN110738136A

CN110738136A - display module and electronic equipment

Info

Publication number: CN110738136A
Application number: CN201910917175.1A
Authority: CN
Inventors: 韦宏阳
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-01-31
Anticipated expiration: 2039-09-26
Also published as: CN110738136B

Abstract

The invention provides display modules and electronic equipment, wherein each display module comprises a cover plate, upper glass, lower glass, a bearing piece and a fingerprint identification assembly, the upper glass is clamped between the cover plate and the lower glass, the lower glass is provided with a bearing area close to the 0 side of the upper glass, the side of the side is arranged at intervals with the upper glass, the bearing area is positioned between the upper glass and the side, the bearing piece and the fingerprint identification assembly are both arranged in the bearing area and are electrically connected with the lower glass, the fingerprint identification assembly and the bearing piece are arranged at intervals in the direction vertical to the , and the direction is towards the upper glass from the side.

Description

display module and electronic equipment

Technical Field

The invention relates to the technical field of electronics, in particular to display modules and electronic equipment.

Background

Along with the rapid development of electronic technology, electronic equipment such as smart mobile phones and tablet computers has become more and more popular and become the indispensable part of people daily life gradually the fingerprint identification module is as electronic equipment's important subassembly for supply the user to input the fingerprint in order to carry out fingerprint verification, is general to be applied to display screen unblock and identity authentication scenes such as payment, compare in traditional password or pattern authentication, not only can promote user's convenience in operation, can also promote electronic equipment's information security.

The design that sets up the fingerprint identification module in side of the display screen of electronic equipment is because of having advantages such as with low costs and easily design and being adopted by generally, however, set up the fingerprint identification module at the display screen side at present, can lead to the screen duty ratio of display screen to reduce usually.

Disclosure of Invention

The embodiment of the invention provides display modules and electronic equipment, and aims to solve the problem that the screen occupation ratio of a display screen is low because a fingerprint identification module is arranged at the side of the display screen at present.

In order to solve the technical problem, the invention is realized as follows:

in , the embodiment of the invention provides a type display module, which comprises a cover plate (10), an upper glass (20), a lower glass (30), a 0 carrier (40) and a fingerprint identification component (50), wherein the upper glass (20) is clamped between the cover plate (10) and the lower glass (30), a bearing region (32) is arranged on a 1-th side (31) of the lower glass (30) close to the upper glass (20), a -th side (311) of the -th side (31) is arranged at a distance from the upper glass (20), the bearing region (32) is arranged between the upper glass (20) and the -th side (311), the carrier (40) and the fingerprint identification component (50) are both arranged on the bearing region (32) and electrically connected with the lower glass (30), and the fingerprint identification component (50) is arranged at a distance from the -th carrier (40) in the direction perpendicular to the , and the direction is from the upper glass (20) to the ).

In a second aspect, an embodiment of the present invention further provides electronic devices, including the display module described above.

In the embodiment of the invention, the display module comprises a cover plate, upper glass, lower glass, a th bearing piece and a fingerprint identification assembly, wherein the upper glass is clamped between the cover plate and the lower glass, a bearing area is arranged on the th side surface of the lower glass close to the upper glass, a th side edge of the th side surface is arranged at an interval with the upper glass, the bearing area is positioned between the upper glass and a th side edge, the th bearing piece and the fingerprint identification assembly are both arranged in the bearing area and are electrically connected with the lower glass, the fingerprint identification assembly and the th bearing piece are arranged at an interval in a direction vertical to a th direction, and a th direction is a direction from a th side edge to the upper glass.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the display module of FIG. 1 taken along line A-A;

FIG. 3 is a second cross-sectional view of the display module shown in FIG. 1 taken along line A-A.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.

Referring to fig. 1 and 2, the display module includes a cover plate 10, an upper glass 20, a lower glass 30, an -th carrier 40, and a fingerprint identification device 50, wherein the upper glass 20 is sandwiched between the cover plate 10 and the lower glass 30, the lower glass 30 is provided with a carrier region 32 near a -th side 31 of the upper glass 20, a -th side 311 of the -th side 31 is spaced apart from the upper glass 20, and the carrier region 32 is located between the upper glass 20 and a -th side 311, the -th carrier 40 and the fingerprint identification device 50 are both disposed in the carrier region 32 and electrically connected to the lower glass 30, the fingerprint identification device 50 is spaced apart from the -th carrier 40 in a direction perpendicular to the -th direction, and the -th direction is a direction from the -th side 311 toward the upper glass 20.

Here, the fingerprint identification module 50 and the -th carrying component 40 are both disposed in the carrying region 32 of the lower glass 30 and electrically connected to the lower glass 30, and in the direction perpendicular to the direction, the fingerprint identification module 50 and the -th carrying component 40 are disposed at intervals, that is, the fingerprint identification module 50 and the -th carrying component 40 are disposed side by side in the direction perpendicular to the direction, so that the fingerprint identification module 50 and the carrying component carried by the lower glass 30 can be disposed in the carrying region 32 of the lower glass 30 together, without reserving a space dedicated for carrying the fingerprint identification module 50, thereby increasing the screen occupation ratio of the display screen.

In this embodiment, the cover plate 10 is a transparent structure made of glass or other materials disposed at the outermost layer of the display module, and mainly plays a role in protecting and providing a user with a touch operation input on the surface thereof, for example, the cover plate 10 may include a touch panel.

The upper glass 20 and the lower glass 30 are glass substrates for commonly realizing the display function of the display module, the upper glass 20 is sandwiched between the cover plate 10 and the lower glass 30, and the display area of the display module is located in the opposite area of the upper glass 20 and the lower glass 30. For example, in a case where the Display module is a Liquid Crystal Display (LCD), the upper glass 20 and the lower glass 30 may be two glass substrates disposed on both sides of a liquid crystal layer of the LCD.

It should be noted that the specific structures of the cover plate 10, the upper glass 20 and the lower glass 30 are not modified in the present invention, that is, the specific structures of the cover plate 10, the upper glass 20 and the lower glass 30 are well known to those skilled in the art and are not described in detail herein.

In this embodiment, the lower glass 30 may be provided with an th side 31 and a second side (not labeled), and the th side 31 is disposed close to the upper glass 20, and the second side is disposed far from the upper glass 20, that is, the distance between the th side 31 and the upper glass 20 is smaller than the distance between the second side and the upper glass 20.

The -th side 31 may include a double layer region and a single layer region, the double layer region is a projection region of the upper glass 20 on the -th side 31, namely the double layer region covers the display region, and the single layer region is a region on the -th side 31 except the double layer region.

The -side surface 31 is provided with a -side edge 311, the -side edge 311 is an edge of the -side surface 31 spaced from the upper glass 20, and the carrier region 32 is provided between the -side edge 311 and the upper glass 20, that is, the carrier region 32 may be a part or all of a single layer region.

The carrier region 32 may be provided with a connection circuit, for example, pads and wires formed by Indium Tin Oxide (ITO) or other conductive material coated on the carrier region 32, wherein the th carrier 40 and the fingerprint identification device 50 are both disposed on the carrier region 32 and electrically connected to the lower glass 30, i.e., the th carrier 40 and the fingerprint identification device 50 are disposed in the carrier region 32 and connected to the connection circuit on the carrier region 32.

It should be noted that the -th carrier 40 may be any component disposed in the carrying region 32 and other than the fingerprint identification component 50, for example, the -th carrier 40 may be a display driver chip 42 for controlling the display of the display module, or the -th carrier 40 may also be a circuit board connecting portion 41, where the circuit board connecting portion 41 is a portion of a circuit board (e.g., a flexible circuit board) for connecting an external circuit (e.g., a main circuit of an electronic device for mounting the display module) and a connecting circuit of the carrying region 32, or, as shown in fig. 1, the -th carrier 40 may include the circuit board connecting portion 41 and the display driver chip 42, and so on.

In the present embodiment, the -th carrying element 40 is electrically connected to the lower glass 30, and may be that the -th carrying element 40 is electrically connected to the lower glass 30 through an Anisotropic Conductive Film (ACF) 60, that is, as shown in fig. 1, the Anisotropic Conductive Film 60 is disposed between the -th carrying element 40 and the lower glass 30.

Similarly, the fingerprint identification module 50 is electrically connected to the lower glass 30, or the fingerprint identification module 50 is electrically connected to the lower glass 30 through an anisotropic conductive film, that is, as shown in fig. 1, an anisotropic conductive film 60 is disposed between the fingerprint identification module 50 and the lower glass 30, so that the implementation is easy.

Alternatively, in embodiments, as shown in fig. 3, the fingerprint sensor device 50 is integrated with the lower glass 30 , for example, the fingerprint sensor device 50 can be directly formed in the carrying area 32 of the lower glass 30 by a semiconductor process based on the lower glass 30, so as to improve the stability of the fingerprint sensor device 50.

In this embodiment, on the th direction of perpendicular to, fingerprint identification subassembly 50 and the interval setting of bearing 40, specifically, th side 31 still is provided with second side 312 and third side 313 crossing with side 311, fingerprint identification subassembly 50 and second side 312 interval setting, and th bearing 40 sets up between fingerprint identification subassembly 50 and third side 313, thereby can reduce the space that bearing area 32 took up on the orientation of the last glass 20 of side 311, can promote the display area of glass 30 down, and then can promote the display area of display module, the screen that promotes display module promptly accounts for the ratio.

In embodiments, as shown in fig. 1, the carrier 40 includes a display driver chip 42 and a circuit board connecting portion 41, and the display driver chip 42 and the circuit board connecting portion 41 are spaced apart from each other in a direction from the side 311 to the top glass 20.

Here, through in the direction from side 311 to upper glass 20, display driver chip 42 and circuit board connecting portion 41 are set up at an interval, namely in the direction of the of being perpendicular to, display driver chip 42 and circuit board connecting portion 41 are located fingerprint identification component 50 with side and all set up with fingerprint identification component 50 interval, thereby make the position of setting up of each subassembly that sets up in carriage area 32 reasonable, can go forward step reduction carriage area 32 and the space that occupies in the direction of side 311 to upper glass 20, and then promote the screen of display module and account for the ratio.

It should be noted that fig. 1 only shows that the th carrier 40 (including the display driver chip 42 and the circuit board connection portion 41) is disposed on the left side of the fingerprint recognition module 50, but it is needless to say that the th carrier 40 may be disposed on the right side of the fingerprint recognition module 50, or the fingerprint recognition module 50 may be disposed between the th carrier 40 and the second carrier when the display module further includes the second carrier, and the present invention is not limited thereto.

In addition, the fingerprint identification component 50 may be any component that can be used to identify a user's fingerprint, for example, the fingerprint identification component 50 may be a capacitive fingerprint identification component 50 or an ultrasonic fingerprint identification component 50, and so on.

In this embodiment, the fingerprint identification component 50 is disposed in the carrying area 32, and the carrying area 32 is disposed opposite to the cover plate 10, that is, the fingerprint identification component 50 is disposed between the lower glass 30 and the cover plate 10, and the fingerprint identification component 50 is electrically connected to the lower glass 30.

In embodiments, the display module further includes a sealing layer 70, the sealing layer 70 connects the fingerprint identification component 50 and the cover plate 10, and the sealing layer 70 fills the gap between the fingerprint identification component 50 and the cover plate 10.

Here, by filling the sealing layer 70 in the gap between the fingerprint recognition assembly 50 and the cover plate 10, the influence of the presence of air between the fingerprint recognition assembly 50 and the cover plate 10 on the recognition accuracy can be reduced, thereby improving the recognition accuracy of the fingerprint recognition assembly 50.

In , the sealing layer 70 is a transparent optical adhesive layer, so that the recognition accuracy of the fingerprint recognition assembly 50 can be further improved .

Of course, the sealing layer 70 may be formed of other materials, and only needs to be able to fill the gap between the fingerprint identification device 50 and the cover plate 10, which is not limited herein.

It should be noted that fig. 1 to 3 only show the case that the display module is an Active-matrix organic light-emitting diode (AMOLED) display panel, but the display module may also be other types of display panels, for example, an LCD display panel, and the like.

In addition, the display module may further include other components, for example, the display module may further include a polarizer 81 and a transparent optical adhesive layer 82, the polarizer is assumed to be located between the upper glass 20 and the cover plate 10, and the polarizer 81 is connected to the cover plate 10 through the transparent optical adhesive layer; alternatively, the display module may further include a frame glue layer 83 surrounding the upper glass 20 and the cover plate 10; or, the lower glass 30 is further provided with a second side surface away from the upper glass 20, and the display module further includes a buffer layer 90 covering the second side surface, for example, the buffer layer 90 is made of foam, so as to protect the display module, and the like, which is not limited herein.

Based on the display module, the embodiment of the invention further provides electronic devices including the display module.

Since the structure of the electronic device body is the prior art, the display module is described in detail in the above embodiments, and thus, the structure of the specific electronic device in this embodiment is not described in detail.

In an embodiment of the present invention, the electronic device may be any electronic device including the display module, for example: mobile phones, Tablet Personal computers (Tablet Personal computers), Laptop computers (Laptop computers), Personal Digital Assistants (PDAs), Mobile Internet Devices (MIDs), cameras, Wearable devices (Wearable devices), and the like.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

The display module is characterized by comprising a cover plate (10), an upper glass (20), a lower glass (30), an bearing member (40) and a fingerprint identification component (50), wherein the upper glass (20) is clamped between the cover plate (10) and the lower glass (30), the lower glass (30) is provided with a bearing area (32) close to a 0 th side (31) of the upper glass (20), a th side edge (311) of the th side (31) is arranged at a distance from the upper glass (20), the bearing area (32) is arranged between the upper glass (20) and a th side edge (311), the th bearing member (40) and the fingerprint identification component (50) are both arranged in the bearing area (32) and electrically connected with the lower glass (30), the fingerprint identification component (50) is arranged at a distance from the 2 nd bearing member (40) in a direction perpendicular to a th direction, and the direction is from the th side edge (20) to the 493 th bearing member (20).
2. The display module according to claim 1, wherein the fingerprint recognition assembly (50) is electrically connected to the lower glass (30) through an anisotropic conductive film.
3. The display module of claim 1, wherein the fingerprint identification assembly (50) is disposed integrally with the bottom glass (30) .
4. The display module according to , wherein the side (31) is further provided with a second side (312) and a third side (313) intersecting the side (311), the fingerprint recognition assembly (50) is spaced apart from the second side (312), and the carrier (40) is disposed between the fingerprint recognition assembly (50) and the third side (313).
5. The display module according to of any one of claims 1-3, wherein the fingerprint identification component (50) is a capacitive fingerprint identification component or an ultrasonic fingerprint identification component.
6. The display module according to , wherein the display module further comprises a sealing layer (70), the sealing layer (70) connects the fingerprint identification element (50) and the cover plate (10), and the sealing layer (70) fills a gap between the fingerprint identification element (50) and the cover plate (10).
7. The display module according to claim 6, wherein the sealing layer (70) is a transparent optical glue layer.
8. The display module according to , wherein the carrier (40) comprises a display driver chip (42) and a circuit board connection portion (41), and the display driver chip (42) is spaced from the circuit board connection portion (41) in a direction from the side edge (311) to the upper glass (20).
9. The display module according to , wherein the lower glass (30) is further provided with a second side facing away from the upper glass (20), the display module further comprising a buffer layer (90) covering the second side.
10, kinds of electronic equipment, characterized in that, the electronic equipment includes the display module of any of claims 1-9.