CN215265355U - Backlight assembly, display module and electronic equipment - Google Patents
Backlight assembly, display module and electronic equipment Download PDFInfo
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- CN215265355U CN215265355U CN202121304852.1U CN202121304852U CN215265355U CN 215265355 U CN215265355 U CN 215265355U CN 202121304852 U CN202121304852 U CN 202121304852U CN 215265355 U CN215265355 U CN 215265355U
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- light emitting
- guide plate
- light guide
- light
- emitting component
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Abstract
The utility model provides a backlight unit, display module assembly and electronic equipment, this backlight unit include the light guide plate and locate the light-emitting component of light guide plate one side, light-emitting component with paste between the light guide plate and be equipped with bonding piece, light-emitting component includes the FPC board and locates a plurality of light emitting component on the FPC board, bonding piece is including the laminating the light guide plate reaches the first bonding portion of FPC board, first bonding portion is close to one side sunken formation of light emitting component dodges the groove, makes the part of bonding piece is kept away from relatively light emitting component, bonding piece with the area of contact of light guide plate reduces relatively. The utility model provides a backlight unit offers through the one side that is close to light emitting component at bonding piece and dodges the groove, makes above-mentioned light emitting component keep away from bonding piece relatively, and reduces the area of contact of bonding piece and light guide plate, reduces the influence that bonding piece set a camera to, improves the luminance in a poor light of product.
Description
Technical Field
The utility model relates to a display module assembly technical field, in particular to backlight assembly, display module assembly and electronic equipment.
Background
Along with the development of science and technology, the thickness requirement of producing cell-phone display module assembly and flat panel display module assembly at present is more and more thin, and the luminance requirement is more and more high, leads to the luminance demand of being shaded more and more high indirectly.
In the prior art, a backlight display module generally uses a double-sided adhesive tape to assemble an FPC board and a light guide plate, wherein a light emitting device is assembled on the FPC board, and a part of light emitted from the light emitting device is absorbed by the double-sided adhesive tape when being transmitted in the light guide plate, thereby causing loss of a light source.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a backlight assembly, a display module and an electronic device, and aims to solve the problem of the loss of a light source caused by the absorption of a bonding member when the light emitted by a part of light emitting elements in the prior art is transmitted in a light guide plate.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a backlight assembly, includes the light guide plate and locates the light emitting component of light guide plate one side, light emitting component with paste between the light guide plate and be equipped with bonding piece, light emitting component includes the FPC board and locates a plurality of light emitting component on the FPC board, bonding piece is including the laminating the light guide plate reaches the first bonding portion of FPC board, first bonding portion is close to the sunken formation in one side of light emitting component dodges the groove, makes the part of bonding piece is kept away from relatively light emitting component, just bonding piece with the area of contact of light guide plate reduces relatively.
Compared with the prior art, the beneficial effects of the utility model reside in that: the light emitting component and the light guide plate are adhered with the adhesive piece, and the avoidance groove is formed in one side, close to the light emitting component, of the adhesive piece, so that the light emitting component is relatively far away from the adhesive piece, the contact area of the adhesive piece and the light guide plate is reduced, the influence of the adhesive piece on light is reduced, and the backlight brightness of a product is improved.
According to one aspect of the above technical scheme, a plurality of mounting grooves are formed in the FPC board, and the light emitting elements are arranged in the mounting grooves.
According to an aspect of the above technical scheme, the mounting groove penetrates through the FPC board, one side of the FPC board is provided with a bonding pad, the bonding pad covers one side of the mounting groove, and the light emitting element is arranged on the bonding pad.
According to an aspect of the foregoing technical solution, the first bonding portion is disposed on a side of the mounting groove away from the light emitting element, and one end of the mounting groove corresponds to the avoiding groove.
According to one aspect of the above technical scheme, one side of the light guide plate is provided with a brightness enhancement film.
According to an aspect of the above technical solution, the bonding member further includes a second bonding portion, the second bonding portion is formed by extending the left and right sides of the first bonding portion away from the light emitting element, and the second bonding portion bonds the light guide plate and the brightness enhancement film.
According to an aspect of the above technical solution, the number of the light emitting elements is sixteen, and the light emitting elements are uniformly distributed on the FPC board at intervals.
According to an aspect of the above technical solution, the light emitting element is an LED lamp.
The utility model provides a display module assembly, backlight unit including among the above-mentioned technical scheme.
The utility model provides an electronic equipment, display module assembly among the above-mentioned technical scheme.
Drawings
Fig. 1 is a schematic structural diagram of a backlight assembly according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of a partial structure of a backlight assembly according to an embodiment of the present invention;
description of the main element symbols:
| |
100 | |
10 |
| |
20 | |
30 |
| |
40 | Light emitting element | 50 |
| A first |
31 | Dodging |
32 |
| Second |
33 | |
21 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 2, a backlight assembly 100 according to a first embodiment of the present invention is shown, including a light guide plate 10 and a light emitting assembly disposed on one side of the light guide plate 10, wherein a bonding member 30 is attached between the light emitting assembly and the light guide plate 10, the light emitting assembly includes an FPC board 20 and a plurality of light emitting elements 50 disposed on the FPC board 20, the bonding member 30 includes a first bonding portion 31 attached to the light guide plate 10 and the FPC board 20, one side of the first bonding portion 31 close to the light emitting elements 50 is recessed to form an avoiding groove 32, so that the portion of the bonding member 30 is relatively far away from the light emitting elements 50, and the contact area between the bonding member 30 and the light guide plate 10 is relatively reduced.
In the prior art, a strip-shaped double-sided adhesive tape is attached between the light emitting assembly and the light guide plate, and a light part emitted by the light emitting element on one side of the double-sided adhesive tape is absorbed by the double-sided adhesive tape. In the present embodiment, in order to improve the backlight brightness of the backlight assembly 100 and improve the utilization efficiency of light, the avoiding groove 32 is formed on the side of the adhesive 30 close to the light emitting element 50, so that the light emitting element 50 is relatively far away from the adhesive 30, the contact area between the adhesive 30 and the light guide plate 10 is reduced, the influence of the adhesive 30 on light is reduced, the utilization efficiency of light is improved without increasing the number of the light emitting element 50 and other elements, and the backlight brightness of the product is improved.
In this embodiment, the FPC board 20 is provided with a plurality of mounting grooves 21, and the light emitting element 50 is disposed in the mounting grooves 21.
Specifically, the structure of the backlight assembly 100 is more compact by forming the mounting groove 21 for mounting the light emitting element 50 on the FPC board 20, which is advantageous for miniaturization of the product.
Further, the mounting groove 21 is formed in the FPC board 20 in a penetrating manner, a pad 40 is arranged on one side of the FPC board 20, the pad 40 covers one side of the mounting groove 21, and the light emitting element 50 is arranged on the pad 40.
In addition, the first bonding portion 31 is disposed on a side of the mounting groove 21 away from the light emitting element 50, and one end of the mounting groove 21 corresponds to the avoiding groove 32.
Conveniently, the light guide plate 10 and the light emitting element 50 are respectively disposed on two sides of the mounting groove 21, and one side of the mounting groove 21 close to the light guide plate 10 is disposed corresponding to the avoiding groove 32, i.e. one end of the mounting groove 21 is protruded, so that the adhesive member 30 is attached to the FPC board 20.
In this embodiment, a brightness enhancement film (not shown) is disposed on one side of the light guide plate 10. Specifically, the brightness enhancement film is disposed under the light guide plate 10, and the light irradiated from below by the light guide plate 10 is refracted or reflected to the light guide plate 10 by the brightness enhancement film, so that the light loss is reduced, and the backlight brightness of the product is improved.
Further, the adhesive member 30 further includes a second adhesive portion 33, the second adhesive portion 33 is formed by extending the left and right sides of the first adhesive portion 31 away from the light emitting element 50, and the second adhesive portion 33 adheres the light guide plate 10 and the brightness enhancement film.
The left and right sides of the FPC board 20 extend to form second bonding portions 33, the brightness enhancement film is fixed through the second bonding portions 33, the deviation of the film material is placed, one surface of each second bonding portion 33 is the light guide plate 10, the other surface of each second bonding portion 33 is the brightness enhancement film, the brightness enhancement film is made to be tightly attached to the light guide plate 10, the light loss is reduced, and the light utilization rate is improved.
In this embodiment, the number of the light emitting elements 50 is sixteen, and the light emitting elements 50 are uniformly distributed on the FPC board 20 at intervals.
Through the light emitting component 50 of evenly arranging, make the printing opacity luminance more even on the light guide plate 10, can understand, the light emitting component 50 quantity in this embodiment is sixteen, in the utility model discloses other embodiments, the quantity of light emitting component 50 can be set up according to the size of light guide plate 10 or the demand of luminance of being shaded.
Specifically, the light emitting element 50 in the present embodiment is an LED lamp.
To sum up, the utility model discloses backlight unit in the middle of the above-mentioned embodiment, offer through one side that is close to light emitting component 50 at bonding piece 30 and dodge groove 32, make above-mentioned light emitting component 50 keep away from bonding piece 30 relatively, and reduce the area of contact of bonding piece 30 and light guide plate 10, reduce the influence that bonding piece 30 was to light, under the prerequisite that does not increase light emitting component 50 and other components, improve the utilization ratio of focusing, thereby improve the luminance in a poor light of product, through open the mounting groove 21 of installing above-mentioned light emitting component 50 on FPC board 20, make this backlight unit 100's structure compacter, be favorable to the miniaturization of product, through the membrane that adds lustre to that sets up, make light guide plate 10 shine the light on the membrane that adds lustre to from the below, refraction or reflection are to light guide plate 10, the loss of light has been reduced, the luminance in a poor light of product is improved.
A second embodiment of the present invention provides a display module, which includes the backlight module in the above embodiments.
A third embodiment of the present invention provides an electronic device, which includes the display module in the above embodiments, wherein the electronic device includes but is not limited to a mobile phone, a tablet, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a backlight assembly, includes the light guide plate and locates the light emitting component of light guide plate one side, its characterized in that, light emitting component with paste between the light guide plate and be equipped with bonding piece, light emitting component includes the FPC board and locates a plurality of light emitting component on the FPC board, bonding piece is including the laminating the light guide plate reaches the first bonding portion of FPC board, first bonding portion is close to the sunken formation in one side of light emitting component dodges the groove, makes the part of bonding piece is kept away from relatively light emitting component, bonding piece with the area of contact of light guide plate reduces relatively.
2. The backlight assembly of claim 1, wherein the FPC board is provided with a plurality of mounting grooves, and the light emitting elements are disposed in the mounting grooves.
3. The backlight assembly of claim 2, wherein the mounting groove extends through the FPC board, one side of the FPC board is provided with a pad covering one side of the mounting groove, and the light emitting element is provided on the pad.
4. The backlight assembly of claim 3, wherein the first adhesive portion is disposed on a side of the mounting groove away from the light emitting element, and one end of the mounting groove is disposed corresponding to the avoiding groove.
5. The backlight assembly of claim 1, wherein one side of the light guide plate is provided with a brightness enhancement film.
6. The backlight assembly of claim 5, wherein the adhesive member further comprises a second adhesive portion formed by extending left and right sides of the first adhesive portion away from the light emitting device, the second adhesive portion adhering the light guide plate and the brightness enhancement film.
7. The backlight assembly of any one of claims 1-6, wherein the number of the light emitting elements is sixteen, and the light emitting elements are uniformly spaced on the FPC board.
8. The backlight assembly of claim 7, wherein the light emitting elements are LED lamps.
9. A display module comprising the backlight assembly of any one of claims 1-8.
10. An electronic device comprising the display module of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304852.1U CN215265355U (en) | 2021-06-10 | 2021-06-10 | Backlight assembly, display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304852.1U CN215265355U (en) | 2021-06-10 | 2021-06-10 | Backlight assembly, display module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215265355U true CN215265355U (en) | 2021-12-21 |
Family
ID=79478847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121304852.1U Active CN215265355U (en) | 2021-06-10 | 2021-06-10 | Backlight assembly, display module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215265355U (en) |
-
2021
- 2021-06-10 CN CN202121304852.1U patent/CN215265355U/en active Active
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