CN107966845A - Display screen and electronic equipment - Google Patents

Abstract

The embodiment of the present application discloses a display screen and electronic equipment. In the display screen, the lower polarizer is fixed on the display panel, the top of the side wall of the back frame is connected with the lower polarizer, and the outer surface of the side wall and the lower polarizer A first glue layer is formed between the sides of the sheets, and the first glue layer covers the connection between the top of the side wall and the lower polarizer. This solution can improve the waterproof performance of the backlight module and prevent internal devices from getting wet.

Description

Displays and Electronics

technical field

The present application relates to the field of electronic technology, in particular to a display screen and electronic equipment.

Background technique

With the development of science and technology, smart phones are used more and more widely and have more and more functions, and have become an essential electronic device in people's daily life. At present, the display screen of a mobile phone is mainly a liquid crystal display screen. The liquid crystal display screen generally includes a backlight module and a liquid crystal display panel. The backlight module generates the light required for display, thereby realizing the picture display of the liquid crystal display panel.

The backlight module of traditional liquid crystal displays has poor waterproof performance, and moisture can easily enter the backlight module from the joint between the backlight module and the liquid crystal display panel, causing internal components to be easily damaged by moisture.

Contents of the invention

Embodiments of the present application provide a display screen and electronic equipment, which can improve the waterproof performance of a backlight module and prevent internal components from being damp.

An embodiment of the present application provides a display screen, including a backlight module, a display panel, an upper polarizer, and a lower polarizer;

The display panel includes a light emitting surface and a light incident surface, the upper polarizer is fixed on the light emitting surface, the lower polarizer is fixed on the light incident surface, the backlight module includes a back frame, the The back frame includes a bottom plate and a side wall, and the bottom plate and the side wall cooperate to form an accommodation space;

The top of the side wall is connected to the surface of the lower polarizer facing away from the display panel, wherein a first gap is formed between the outer surface of the side wall facing away from the accommodating space and the side of the lower polarizer. A glue layer is used to fix the back frame on the lower polarizer, and the first glue layer covers the joint between the top of the side wall and the lower polarizer.

The embodiment of the present application also provides an electronic device, including a back cover, a cover plate, and a display screen, the back cover and the cover plate are assembled to form a closed space, and the display screen is installed in the closed space, wherein the The display screen is the above-mentioned display screen.

The display screen of the present application includes a backlight module, a display panel, an upper polarizer and a lower polarizer, wherein the upper polarizer is fixed on the light emitting surface of the display panel, and the lower polarizer is fixed on the light incident surface of the display panel, and the backlight module Including a back frame, the back frame includes a bottom plate and a side wall, the bottom plate and the side wall cooperate to form an accommodation space, the top of the side wall is connected to the surface of the lower polarizer facing away from the display panel, wherein the side wall faces away from the outer surface of the accommodation space to A first glue layer is formed between the sides of the lower polarizer to fix the back frame on the lower polarizer, and the first glue layer covers the joint between the top of the side wall and the lower polarizer, thereby preventing moisture from The joint between the top of the side wall and the lower polarizer enters into the backlight module, which is beneficial to improve the waterproof performance of the backlight module and prevent internal components from getting wet. In addition, this solution can fix the back frame and the display panel together through the function of the first glue layer, so that there is no need to add other components in the back frame to bond and fix the display panel, which can save space in the back frame, thus The volume of the backlight module can be reduced, thereby reducing the occupied space of the display screen in the whole machine.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need 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 application. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

Fig. 2 is a schematic diagram of the bonding of the cover plate and the display screen in the electronic device provided by the embodiment of the present application.

FIG. 3 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

Fig. 4 is another schematic structural diagram of the electronic device provided by the embodiment of the present application.

FIG. 5 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a display screen provided by an embodiment of the present application.

FIG. 7 is another schematic structural diagram of a display screen provided by an embodiment of the present application.

FIG. 8 is another schematic structural diagram of the display screen provided by the embodiment of the present application.

FIG. 9 is another schematic structural diagram of the display screen provided by the embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or reference letters in various instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Embodiments of the present application provide a display screen and electronic equipment.

Wherein, the electronic device may be, for example, a mobile phone, a tablet computer, a PDA (Personal Digital Assistant, PDA) and the like.

Referring to FIG. 1, FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application, wherein, based on the view in FIG. 1, the left diagram in FIG. The figure is a schematic diagram of the back of the electronic device 100 . As shown in the figure, the electronic device 100 includes a casing 10 , a display screen 20 , a printed circuit board 30 , a battery 40 and the like.

Wherein, the housing 10 may include a cover plate 11, a middle frame 12 and a rear cover 13, the cover plate 11, the middle frame 12 and the rear cover 13 are combined to form the housing 10, and the housing 10 has a structure through the cover plate 11, the middle frame 12 and the back cover 13 form a closed space to accommodate the display screen 20, printed circuit board 30, battery 40 and other devices. In some embodiments, the cover plate 11 is set on the middle frame 12, and the back cover 13 is set on the middle frame 12. The cover plate 11 and the back cover 13 are located on the opposite sides of the middle frame 12. The cover plate 11 and the back cover 13 Relatively, the closed space of the casing 10 is located between the cover plate 11 and the rear cover 13 .

In the embodiment of the present application, the housing 10 can be, for example, a housing structure in which metal and plastic cooperate with each other. For example, components such as the printed circuit board 30 need to be installed on the middle frame 12 of the housing 10 by screws. Therefore, the middle frame 12 It can be a metal insert injection molding product, that is, the metal shell provided with threaded holes can be used as an insert, and it can be injection molded in a plastic mold to form a middle frame structure in which metal and plastic cooperate with each other, so that it can be used to install printed circuit boards The screws 30 can cooperate with the threaded holes on the metal insert to install the printed circuit board 30 on the middle frame 12 . As another example, the back cover 13 of the casing 10 may also adopt a back cover structure in which metal and plastic cooperate with each other according to actual needs. Wherein, the cover plate 11 may be a transparent glass cover plate. In some embodiments, the cover plate 11 may be a glass cover plate made of materials such as sapphire.

It should be noted that the structure of the housing in the embodiment of the present application is not limited thereto, for example, the rear cover and the middle frame are integrally formed to form a middle frame structure. Specifically, the housing 10 includes a cover plate 11 and a middle frame 12 , the cover plate 11 and the middle frame 12 are fixed to each other to form a closed space for accommodating components such as a display screen 20 , a printed circuit board 30 , and a battery 40 .

Wherein, the printed circuit board 30 is installed in the housing 10, the printed circuit board 30 can be the main board of the electronic device 100, and the printed circuit board 30 can be integrated with a motor, a microphone, a camera 31, a light sensor, a receiver and Processor, fingerprint unlocking module 32 and other functional components.

In some embodiments, the printed circuit board 30 is fixed inside the casing 10 . Specifically, the printed circuit board 30 can be screwed to the middle frame 12 by screws, or can be snapped to the middle frame 12 by buckling. It should be noted that, the method of fixing the printed circuit board 30 to the middle frame 12 in the embodiment of the present application is not limited to this, and other methods can also be used, such as fixing together by buckles and screws.

Wherein, the battery 40 is installed in the casing 10 , and the battery 40 is electrically connected with the printed circuit board 30 to provide power to the electronic device 100 . The case 10 may serve as a battery cover for the battery 40 . The casing 10 covers the battery 40 to protect the battery 40 , specifically, the back cover covers the battery 40 to protect the battery 40 , so as to reduce the damage of the battery 40 due to collision and drop of the electronic device 100 .

Wherein, the display screen 20 is installed in the casing 10 and electrically connected to the printed circuit board 30 to form the display surface of the electronic device 100 . The display screen 20 may include a display area and a non-display area. The display area may be used to display the screen of the electronic device 100 or provide touch manipulation by the user. The top area of the non-display area is provided with openings for sound and light transmission, and the bottom of the non-display area can be provided with functional components such as fingerprint modules and touch buttons. Wherein the cover plate 11 is installed on the display screen 20 to cover the display screen 20, and may form the same display area and non-display area as the display screen 20, or may form different display areas and non-display areas. As shown in FIG. 2 , the cover plate 11 can be pasted on the display screen 20 through OCA (Optically Clear Adhesive) optical glue 50 to be fixed with the display screen 20 .

It should be noted that, the structure of the display screen 20 is not limited thereto. For example, the display screen 20 may be a special-shaped screen. For details, please refer to FIG. 3 , which is another schematic structural diagram of the electronic device provided by the embodiment of the present application. The main difference between the electronic device in FIG. 3 and the electronic device in FIG. 1 is that: the display screen 20 of the electronic device 100 has a light-transmittable region M directly formed thereon. Specifically, for example: the display screen 20 is provided with a through hole penetrating through the display screen 20 in the thickness direction, the permeable region M may include the through hole, and devices such as a front camera, an earpiece, and a sensor component may be arranged at the through hole position. For another example: the display screen 20 is provided with a non-display area, and the permeable area M may include the non-display area. Wherein, the cover plate 11 is suitable for the structural setting of the display screen 20 .

Please refer to FIG. 4. FIG. 4 is a schematic structural diagram of another electronic device provided by the embodiment of the present application. The main difference between the electronic device in FIG. 4 and the electronic device in FIG. 1 is: the display screen of the electronic device 100 in FIG. 4 20 is provided with a notch N on its periphery, and the notch N can place components such as a front camera, an earpiece, and a sensor component. Wherein, the cover plate 11 is suitable for the structural setting of the display screen 20 .

It should also be noted that, in some embodiments, the display screen 20 may not include a non-display area, but may be configured as a full-screen structure, and devices such as distance sensors and ambient light sensors may be disposed under the display screen or at other positions. Specifically, please refer to FIG. 5 . FIG. 5 is another schematic structural diagram of an electronic device provided by an embodiment of the present application. Wherein, the display screen 20 covers the casing 10 without a non-display area. Wherein, the cover plate 11 is suitable for the size setting of the display screen 20 .

In some embodiments, the display screen 20 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode display (Organic Light-Emitting Diode, OLED) or other type of display.

When the display screen 20 is a liquid crystal display screen, the display screen 20 may also include a backlight module. Through the display screen 20 of the embodiment of the present application, the waterproof performance of the backlight module can be improved, and the display screen 20 of the embodiment of the present application will be further described below.

Referring to FIG. 6, FIG. 6 is a schematic structural view of the display screen 20 provided by the embodiment of the present application, wherein FIG. 6 is a cross-sectional view of the display screen 20, for example, the top of the display screen 20 in the electronic device 100 shown in FIG. Cross-sectional view in AB direction. As shown in the figure, the display screen 20 includes a backlight module 21 , a display panel 22 , an upper polarizer 23 and a lower polarizer 24 .

Wherein, the display panel 22 may be, for example, a liquid crystal display panel, which includes a light-emitting surface 221 and a light-incoming surface 222 , and the light-emitting surface 221 is also a display surface for displaying images. The upper polarizer 23 is fixed on the light emitting surface 221 , the lower polarizer 23 is fixed on the light incident surface 222 , and the upper polarizer 23 and the lower polarizer 24 can be attached to the display panel 22 by glue or double-sided tape, for example.

Wherein, the backlight module 21 includes a back frame 211 , and in addition, the backlight module 21 may also include optical devices such as a light guide plate 212 and a reflection plate 213 . The back frame 211 includes a bottom plate 2111 and a side wall 2112. The bottom plate 2111 and the side wall 2112 may be integrally formed of the same material, for example, the bottom plate 2111 and the side wall 2112 may be integrally formed of stainless steel. Alternatively, different materials can be used to form the bottom plate 2111 and the side wall 2112 according to actual needs. For example, the bottom plate 2111 can be formed of a harder stainless steel material to improve the bearing capacity of the bottom plate 2111, and the side wall 2112 can be formed of plastic materials. In order to reduce material costs, the bottom plate 2111 and the side wall 2112 formed of different materials can be integrally formed by injection molding.

In some implementations, the backlight module 21 may also include a light source (not shown in the figure). The light source may be, for example, a side-type light source. The side edge enters the light guide plate 212 , and the light guide plate 212 guides the light to the display panel 22 . Of course, in other embodiments, the light source may also be a backlight type light source, that is, the light source is placed under the light guide plate 212 . The reflection plate 213 is used to reflect the light from the light source 211 back to the light guide plate 212 so that the light from the light source can be fully utilized.

Wherein, the back frame 211 is used to carry components such as light source, light guide plate 212 and reflective plate 213 . Specifically, the bottom plate 2111 and the side wall 2112 of the back frame 211 cooperate together to form an accommodation space 2113 for placing optical devices such as a light source, a light guide plate 212, and a reflection plate 213. For example, the side wall 2112 can surround the periphery of the bottom plate 2112, A groove structure is formed with the bottom plate 2112 , and the inside of the groove is the accommodating space 2113 . The top of the side wall 2112 of the back frame 211 is connected to the surface of the lower polarizer 24 facing away from the display panel 22 . Wherein, a first glue layer 25 is formed between the outer surface of the side wall 2112 facing away from the accommodating space 2113 and the side of the lower polarizer 24 to fix the back frame 211 on the lower polarizer 24, wherein the first glue layer 25 covers The joint between the top of the side wall 2112 and the lower polarizer 24, that is, the first glue layer 25 of this embodiment is bonded on the outer surface of the side wall 2112 and the side of the lower polarizer 24, so that the back frame The outside of 211 covers the joint between side wall 2112 and lower polarizer 24 . Thus, through the function of the first glue layer 25, the back frame 211 can be bonded and fixed on the display panel 22, thus there is no need to additionally arrange plastic frames and other components in the back frame 211 to be bonded with the display panel, and plastic can be saved. The space occupied by the frame can reduce the volume of the backlight module, thereby reducing the space occupied by the display screen in the whole machine. In addition, the first glue layer 25 covers the joint between the top of the side wall 2112 and the lower polarizer 24 to achieve a waterproof effect, thereby preventing moisture from entering from the joint between the top of the side wall 2112 and the lower polarizer 24 Inside the backlight module 21, internal devices can be protected.

In some embodiments, the first glue layer 25 can be formed with black glue, for example, the first glue layer 25 can be formed on the outside of the back frame 211 and the side of the lower polarizer 24 by using a glue dispensing process or a glue coating process. The first glue layer 25 is formed by using black glue, which can play a light-shielding effect and prevent light leakage.

Referring to FIG. 7 , in another embodiment of the present application, the top of the side wall 2112 of the back frame 211 may also be fixed on the lower polarizer 24 by a black double-sided adhesive 26 . The use of the black double-sided adhesive tape 26 can further improve the light-shielding effect of the backlight module 21 to prevent light leakage from affecting the display effect.

In some other embodiments, the top of the side wall 2112 can also be fixed on the lower polarizer 24 by black glue. For example, black glue can be applied to the top of the side wall 2112 by dispensing to form a third glue layer, and then the top of the side wall 2112 is fixed on the lower polarizer 24 through the third glue layer, and then the top of the side wall 2112 Dot black glue between the outer surface of the lower polarizer 24 and the side surface of the lower polarizer 24 to form the first glue layer 25 .

Referring to FIG. 8 , in another embodiment of the present application, a second glue layer 27 can also be formed between the inner surface of the side wall 2112 facing the accommodating space 2113 and the surface of the lower polarizer 24 facing away from the display panel 22 , the second glue layer 27 can also be formed. The second glue layer 27 can be formed by black glue, for example, and the second glue layer 27 covers the connection between the top of the side wall 2112 and the lower polarizer 24 . That is, in this embodiment, the second glue layer 27 is bonded to the inner surface of the side wall 2112 and the surface of the lower polarizer 24 facing away from the display panel 22, so as to cover the side wall 2112 and the lower polarizer inside the back frame 211. The connection between the sheets 24 can further improve the firmness of the connection between the backlight module 21 and the display panel 22, and further improve the waterproof performance and light-shielding effect.

Referring to FIG. 9, in another embodiment of the present application, as shown in the figure, the first glue layer 25 extends to the side of the upper polarizer 23 to cover the joint between the upper polarizer 23 and the display panel 22, and to cover The connection between the display panel 22 and the lower polarizer 24 not only increases the bonding area of the first glue layer 25, improves the firmness of bonding, but also improves the connection between the display panel 22 and the upper and lower polarizers 23, 24. It can also play a waterproof role.

In the display screen 20 of the embodiment of the present application, the first glue layer 25 is formed between the outer back frame 211 of the back frame 211 and the side of the lower polarizer 24, and the first glue layer 25 covers the top of the side wall 2112 and the lower polarizer. The joints between the sheets 24, so that the backlight module 21 can be fixed on the display panel 22, thus it is not necessary to form an additional plastic frame in the back frame 211 to fix the backlight module, and the volume of the back frame can be reduced, thereby The occupied space of the display screen 20 in the electronic device 100 can be reduced. Moreover, by making the first glue layer 25 cover the joint between the back frame 211 and the lower polarizer 24 on the outside of the back frame 211 , it can play a waterproof role and improve the waterproof performance of the backlight module 21 .

The above is a detailed introduction to a display screen and electronic equipment provided by the embodiment of the present application. In this paper, specific examples are used to illustrate the principle and implementation of the present application. The description of the above embodiment is only used to help understand the present application. method and its core idea; at the same time, for those skilled in the art, according to the idea of this application, there will be changes in the specific implementation and application scope. Application Restrictions.

Claims (10)

1. a kind of display screen, it is characterised in that including backlight module, display panel, upper polaroid and down polaroid；

The display panel includes light-emitting surface and incidence surface, and the upper polaroid is fixed on the light-emitting surface, the lower polarisation Piece is fixed on the incidence surface, and the backlight module includes back frame, and the back frame includes bottom plate and side wall, the bottom plate and side Wall cooperatively forms accommodation space jointly；

The top of the side wall is connected with the surface of the down polaroid back to the display panel, wherein, the side wall back to The outer surface of the accommodation space between the side of the down polaroid to, formed with the first glue layer, the back frame being fixed In the down polaroid, first glue layer covers the junction between the top of the side wall and the down polaroid.

2. display screen according to claim 1, it is characterised in that the top of the side wall is consolidated by black shading double faced adhesive tape It is scheduled in the down polaroid.

3. display screen according to claim 1, it is characterised in that the side wall to the inner surface of the accommodation space extremely The down polaroid back between the surface of the display panel formed with the second glue layer, described in the second glue layer covering Junction between the top of side wall and the down polaroid.

4. display screen according to claim 1, it is characterised in that first glue layer extends to the upper polaroid Side, to cover the junction between the upper polaroid and the display panel, and the covering display panel and described Junction between down polaroid.

5. display screen according to claim 1, it is characterised in that the top of the side wall formed with the 3rd glue layer, with It is fixed on by the 3rd glue layer in the down polaroid.

6. display screen according to claim 5, it is characterised in that first glue layer and the 3rd glue layer are adopted Formed with black glue, with shaded effect.

7. display screen according to claim 1, it is characterised in that the back frame is formed using stainless steel material.

8. display screen according to claim 1, it is characterised in that the bottom plate and side wall are integrally formed.

9. a kind of electronic equipment, it is characterised in that including rear cover, cover board and display screen, the rear cover and the cover board group connect Confined space is formed, the display screen is installed in the confined space, wherein the display screen is any one of claim 1-8 The display screen.

10. electronic equipment according to claim 9, it is characterised in that the cover board passes through OCA optical cements and the display Screen bonding.