CN210467150U

CN210467150U - Display screen and electronic equipment

Info

Publication number: CN210467150U
Application number: CN201922065774.3U
Authority: CN
Inventors: 游冬波
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-05-05
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a display screen and electronic equipment, display screen include display module assembly, backlight unit and flexible circuit board, display module assembly with flexible circuit board links to each other, flexible circuit board is equipped with the bar protection and glues, the bar protection is glued including carrying on the back first face and the second face that set up mutually, first face with the second facial extending direction all is on a parallel with display module assembly's thickness direction, backlight unit includes the framework, the framework is equipped with dodges the portion, at least partly of first face with at least partly homogeneous phase of second face for dodge the portion and expose. After the display screen assembly finishes, can see at least partly of first face and at least partly of second face through this portion of dodging to be convenient for detect the width that the bar protection was glued, be exactly the distance between first face and the second face, so that judge whether the width that the bar protection was glued meets the requirements. Therefore, the structure is beneficial to improving the processing quality of the electronic equipment.

Description

Display screen and electronic equipment

Technical Field

The utility model relates to a display device technical field especially relates to a display screen and electronic equipment.

Background

With the progress of technology and the development of electronic devices, users have higher and higher requirements for the display effect of electronic devices, and therefore, the structural design of the display screen of the electronic device is one of the major research directions of the electronic devices at present.

The liquid crystal display screen can provide a light source through the backlight module, the backlight module mainly comprises a frame body, a light bar and an optical assembly, the light bar and the optical assembly are arranged on the frame body, and light rays emitted by the light bar can be emitted out through the optical assembly and finally pass through the display module. The framework specifically includes chase and plastic portion, and this chase and plastic portion can integrated into one piece to guarantee the structural strength of whole framework, prevent the light leak scheduling problem simultaneously.

The backlight module can be assembled with the display module, and the display module is also connected with the flexible circuit board, so that the display module is driven by the flexible circuit board. In order to protect the joint of the flexible circuit board and the display module, a bar-shaped protective adhesive can be arranged on the flexible circuit board, the width of the bar-shaped protective adhesive directly influences the bending radius of the flexible circuit board, and further influences the distance between the flexible circuit board and the shell of the electronic device. Therefore, in order to prevent the flexible circuit board from interfering with the housing, the width of the strip-shaped protective paste may be measured. However, the bezel of the backlight module can shield the bar-shaped protection glue, so that the width measurement of the bar-shaped protection glue is very inconvenient, and the processing quality of the electronic equipment is not guaranteed.

In addition, because the iron frame and the plastic part are made of different materials and have different shrinkage rates, after the frame body is formed, acting force can be generated between the iron frame and the plastic part, so that the iron frame deforms, the optical assembly is wrinkled, and the display effect of the electronic equipment is finally poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a display screen and electronic equipment to solve the relatively poor problem of electronic equipment's processingquality.

In order to solve the above problem, the utility model adopts the following technical scheme:

a display screen comprises a display module, a backlight module and a flexible circuit board, wherein the display module is connected with the flexible circuit board, the flexible circuit board is provided with a strip-shaped protective adhesive, the strip-shaped protective adhesive comprises a first surface and a second surface which are arranged in a reverse manner, the extending directions of the first surface and the second surface are both parallel to the thickness direction of the display module,

the backlight module comprises a frame body, wherein the frame body is provided with an avoiding part, and at least one part of the first surface and at least one part of the second surface are exposed relative to the avoiding part.

An electronic device comprises the display screen.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses an among the display screen, backlight unit's framework is equipped with dodges the portion, and the bar protection is glued at least partly of first face and the facial at least partly homogeneous phase of second and is exposed to this portion of dodging, consequently finishes when the display screen equipment, can see at least partly of first face and the facial at least partly of second through this portion of dodging to be convenient for detect the width that the bar protection was glued, also be exactly the distance between first face and the second face, so that judge whether the width that the bar protection was glued meets the requirements. Therefore, the structure is beneficial to improving the processing quality of the electronic equipment.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic diagram of a partial structure of an electronic device disclosed in an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a display screen disclosed in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a frame body disclosed in an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a frame body according to an embodiment of the present invention.

Description of reference numerals:

100-display module, 200-backlight module, 210-frame, 211-avoidance part, 211 a-bottom surface, 212-iron frame, 213-plastic part, 213 a-plastic segment, 213 b-projection part, 300-flexible circuit board, 400-strip-shaped protective adhesive, 410-first surface, 420-second surface, 500-cover plate and 600-shell.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the present invention discloses a display screen, which includes a display module 100, a backlight module 200 and a flexible circuit board 300, wherein the display module 100 is connected to the flexible circuit board 300, and the display module 100 can be connected to a motherboard of an electronic device through the flexible circuit board 300, so as to realize driving of the display module 100. The flexible circuit board 300 is provided with a strip-shaped protective adhesive 400, and the strip-shaped protective adhesive 400 can protect the connection between the flexible circuit board 300 and the display module 100. The display screen may be mounted to the case 600 of the electronic device, and the cover plate 500 of the electronic device may cover the display screen, thereby protecting the display screen.

The strip-shaped protective adhesive 400 comprises a first surface 410 and a second surface 420 which are arranged in a back-to-back manner, the first surface 410 and the second surface 420 can be planes, the planes of the first surface 410 and the second surface 420 are all parallel to the extending direction of the strip-shaped protective adhesive 400, and the extending directions of the first surface 410 and the second surface 420 are all parallel to the thickness direction of the display module 100. The first side 410 and the second side 420 may be parallel to each other, and the distance between the first side 410 and the second side 420 represents the width of the strip-shaped protective adhesive 400, which has a crucial influence on the working quality of the strip-shaped protective adhesive 400.

The backlight module 200 can be connected to the display module 100, and the backlight module 200 can emit light to cooperate with the display module 100 for displaying. The backlight module 200 may include a frame 210, and a light source and an optical component disposed on the frame 210, where the light source may emit light, the light source may specifically include a light bar, and the optical component may guide light emitted from the light source, so that the light may be uniformly distributed to the whole display module 100, and thus the light is uniformly emitted. The optical component may specifically include a light guide plate, a diffusion sheet, an upper prism, a lower prism, and the like. The frame 210 is provided with a relief portion 211 corresponding to the strip-shaped protective adhesive 400, and at least a part of the first surface 410 and at least a part of the second surface 420 of the strip-shaped protective adhesive 400 are exposed from the relief portion 211. That is, at least a portion of the first surface 410 and at least a portion of the second surface 420 are visible when viewed along the thickness direction of the display module 100.

After the display screen is assembled, at least a portion of the first surface 410 and at least a portion of the second surface 420 can be seen through the escape portion 211, so that the width of the strip-shaped protective adhesive 400, that is, the distance between the first surface 410 and the second surface 420 can be detected conveniently, and whether the width of the strip-shaped protective adhesive 400 meets the requirement or not can be judged conveniently. Therefore, the structure is beneficial to improving the processing quality of the electronic equipment.

As described above, at least a portion of the first surface 410 and at least a portion of the second surface 420 are both exposed with respect to the escape portion 211, and specifically, the first surface 410 may be entirely exposed with respect to the escape portion 211, or only a portion thereof may be exposed with respect to the escape portion 211; the second surface 420 may be entirely exposed to the escape portion 211, or may be only partially exposed to the escape portion 211. In an alternative scheme, in the thickness direction of the display module 100, the projection of the first surface 410 is located outside the projection of the avoiding portion 211, and at least a part of the projection of the second surface 420 is located inside the projection of the avoiding portion 211, that is, the first surface 410 is entirely exposed with respect to the avoiding portion 211, and the second surface 420 is at least partially exposed with respect to the avoiding portion 211. This structure can reduce the degree that framework 210 sheltered from bar protection and glue 400 for bar protection glue 400 can exert the guard action better.

The avoiding portion 211 may be an avoiding hole, but the avoiding hole is far from the edge of the frame 210, and at this time, the size of the frame 210 needs to be increased appropriately to ensure that the first surface 410 and the second surface 420 of the strip-shaped protective adhesive 400 are exposed relative to the avoiding portion 211, so that the size of the frame 210 is too large, and the layout of parts in the electronic device is not facilitated. In this case, the escape portion 211 may be provided as an escape groove provided in a side surface of the housing 210. After the structure is adopted, the size of the frame body 210 can ensure that the strip-shaped protective adhesive 400 is exposed relative to the avoiding part 211 without being set too large, so that the width of the strip-shaped protective adhesive 400 is convenient to measure, and the layout of parts in the electronic equipment is facilitated.

When the escape portion 211 is an escape groove, the escape portion 211 has a bottom surface 211a, and the bottom surface 211a faces the opening side of the escape portion 211. In the thickness direction of the display module 100, a partial projection of the second surface 420 is located between the projection of the bottom surface 211a and the projection of the first surface 410. At this time, only a portion of the second surface 420 is exposed relative to the avoiding portion 211, and another portion of the second surface 420 is shielded by the frame 210, so that the size of the frame 210 can be increased as much as possible under the condition that the space allows, and the light source and the optical assembly with larger sizes are arranged, thereby improving the light emitting effect of the backlight module 200.

In the embodiment of the present invention, the frame body 210 can be integrally formed into an iron piece, in another optional embodiment, the frame body 210 can include an iron frame 212 and a plastic part 213, the iron frame 212 and the plastic part 213 are integrally formed, and both can be formed by an integral injection molding method. The iron frame 212 is provided with the aforementioned avoiding portion 211, and the plastic portion 213 includes a plurality of plastic segments 213a, and adjacent plastic segments 213a are separated by the avoiding portion 211. After chase 212 and plastic portion 213 integrated into one piece, because chase 212 and plastic portion 213's shrinkage factor is different, consequently set up and dodge the portion 211 after, whole plastic portion 213 can be cut apart into a plurality of plastic sections 213a, have the interval between the adjacent plastic section 213a, this interval can release the stress when plastic portion 213 contracts, prevent this stress direct action in chase 212 and lead to chase 212 to warp, it is visible, this structure can prevent that deformation from appearing in framework 210, thereby promote the display effect of display screen.

As described above, the escape portion 211 may have a bottom surface 211a, and the bottom surface 211a faces the opening side of the escape portion 211. In the thickness direction of the display module 100, the partial projection contour of the bottom surface 211a coincides with the partial projection contour of the plastic part 213. That is to say, the edge of plastic portion 213 aligns with bottom surface 211a for plastic portion 213 avoids exposing as far as possible for dodging portion 211, sets up like this and is more convenient for the integrated into one piece of chase 212 and plastic portion 213 on the one hand, and on the other hand can prevent that plastic portion 213 from sheltering from bar protection glue 400, and is unfavorable for measuring the width of bar protection glue 400.

In addition, the iron frame 212 may be provided with a positioning hole, and after the iron frame 212 and the plastic part 213 are molded, the plastic segment 213a is formed with a protrusion 213b corresponding to the positioning hole, and the protrusion 213b is matched with the positioning hole, so as to better realize the positioning between the iron frame 212 and the plastic part 213, and to make the connection strength between the two parts higher.

As shown in fig. 4, in an alternative embodiment, the width of the avoiding groove may be 0.8-1.2 mm, and the depth c of the avoiding groove may be 0.3-0.5 mm, wherein the width direction is parallel to the thickness direction of the display module 100, and the depth direction is perpendicular to the thickness direction of the display module 100. When the width and the depth of the avoiding groove are within the numerical range, the width and the depth cannot be too large or too small, so that the strip-shaped protective adhesive 400 can be enough to measure the width of the strip-shaped protective adhesive 400 relative to the exposed part of the avoiding groove, and the structural strength of the frame body 210 cannot be influenced. Of course, the width and the depth of the avoidance groove can also adopt other numerical values, and the embodiment of the utility model provides a do not limit this.

The number of the escape portions 211 may be one or at least two, and when the number of the escape portions 211 is one, it is necessary to set the size of the escape portions 211 to be larger in order to measure the width of the strip-shaped protective adhesive 400 more easily and accurately, which in turn adversely affects the structural strength of the frame body 210. Therefore, the number of the escape portions 211 may be set to at least two, and the escape portions 211 may be provided at intervals. At this moment, the size of a single avoidance part 211 is smaller, and after the overall effect of each avoidance part 211, more parts of the strip-shaped protective adhesive 400 can be in an exposed state, so that the width of the strip-shaped protective adhesive 400 can be more conveniently measured, and meanwhile, the precision of measuring the width of the strip-shaped protective adhesive 400 can be improved by measuring the widths of the parts of the strip-shaped protective adhesive 400.

Alternatively, when the number of the escape portions 211 is at least two, the shapes and the sizes of the respective escape portions 211 may be the same or different. Further alternatively, two avoiding portions 211 may be provided, and both the two avoiding portions 211 may be rectangular grooves so as to form the avoiding portions 211. As shown in fig. 4, the width a of one of the relief portions 211 may be equal to or different from the width b of the other relief portion 211, and when the width a and the width b are equal, the two relief portions 211 may be processed in a single process, so that the process of processing the frame body 210 may be simplified by such a design.

In a further embodiment, in the thickness direction of the display module 100, the projection of each avoiding portion 211 coincides with a partial projection of the strip-shaped protective adhesive 400. That is to say, the quantity and the size of the avoiding portion 211 are matched with the size of the strip-shaped protective adhesive 400, and each avoiding portion 211 is used for exposing at least one part of the strip-shaped protective adhesive 400, so that the condition that the avoiding portion 211 is wasted does not occur, the size of the part of the frame body 210 provided with the avoiding portion 211 is better controlled, the proportion that the avoiding portion 211 occupies the whole size of the frame body 210 is too high, the structural strength of the frame body 210 is better ensured, and the display effect of the display screen is prevented from being influenced by the deformation of the frame body 210.

Based on the display screen that above-mentioned arbitrary embodiment is disclosed, the embodiment of the utility model provides a still disclose an electronic equipment, this electronic equipment includes the display screen that above-mentioned arbitrary embodiment is disclosed.

The embodiment of the utility model provides a disclosed electronic equipment can be for smart mobile phone, panel computer, electronic book reader or wearable equipment. Of course, the electronic device may also be other devices, and the embodiment of the present invention does not limit this.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A display screen is characterized by comprising a display module (100), a backlight module (200) and a flexible circuit board (300), wherein the display module (100) is connected with the flexible circuit board (300), the flexible circuit board (300) is provided with a strip-shaped protective adhesive (400), the strip-shaped protective adhesive (400) comprises a first surface (410) and a second surface (420) which are arranged in a back-to-back manner, the extension directions of the first surface (410) and the second surface (420) are parallel to the thickness direction of the display module (100),

the backlight module (200) comprises a frame body (210), wherein the frame body (210) is provided with an avoiding part (211), and at least one part of the first surface (410) and at least one part of the second surface (420) are both exposed relative to the avoiding part (211).

2. The display screen according to claim 1, wherein in a thickness direction of the display module (100), a projection of the first surface (410) is located outside a projection of the avoiding portion (211), and at least a part of a projection of the second surface (420) is located inside the projection of the avoiding portion (211).

3. The display screen according to claim 1, wherein the avoiding portion (211) is an avoiding groove, and the avoiding groove is disposed on a side surface of the frame body (210).

4. A display screen according to claim 3, wherein the avoiding portion (211) has a bottom surface (211a), the bottom surface (211a) faces the opening side of the avoiding portion (211), and a partial projection of the second surface (420) is located between a projection of the bottom surface (211a) and a projection of the first surface (410) in the thickness direction of the display module (100).

5. The display screen according to claim 3, wherein the frame body (210) comprises an iron frame (212) and a plastic part (213), the iron frame (212) and the plastic part (213) are integrally formed, the iron frame (212) is provided with the avoiding part (211), the plastic part (213) comprises a plurality of plastic segments (213a), and the adjacent plastic segments (213a) are separated by the avoiding part (211).

6. The display screen according to claim 5, wherein the avoiding portion (211) has a bottom surface (211a), the bottom surface (211a) faces the opening side of the avoiding portion (211), and a partial projection profile of the bottom surface (211a) coincides with a partial projection profile of the plastic portion (213) in the thickness direction of the display module (100).

7. The display screen according to claim 3, wherein the width of the avoiding groove is 0.8-1.2 mm, and the depth of the avoiding groove is 0.3-0.5 mm, wherein the width direction is parallel to the thickness direction of the display module (100), and the depth direction is perpendicular to the thickness direction of the display module (100).

8. The display screen according to claim 1, wherein the number of the avoiding portions (211) is at least two, and the avoiding portions (211) are arranged at intervals.

9. The display screen according to claim 8, wherein in the thickness direction of the display module (100), the projection of each avoidance portion (211) coincides with a partial projection of the strip-shaped protective adhesive (400).

10. An electronic device characterized by comprising a display screen according to any one of claims 1 to 9.