CN218995837U - Side-in type backlight module and display device - Google Patents
Side-in type backlight module and display device Download PDFInfo
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- CN218995837U CN218995837U CN202222556739.3U CN202222556739U CN218995837U CN 218995837 U CN218995837 U CN 218995837U CN 202222556739 U CN202222556739 U CN 202222556739U CN 218995837 U CN218995837 U CN 218995837U
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- light
- light guide
- backlight module
- guide plate
- fool
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Abstract
The utility model discloses a side-in backlight module and a display device, wherein the side-in backlight module comprises a light guide plate, a rubber frame and a fool-proof structure, the light guide plate is provided with a light inlet side part, the light inlet side part is provided with two light guide side ends along the width direction of the light inlet side part, the rubber frame is annularly arranged on the periphery side of the light guide plate, the fool-proof structure comprises fool-proof parts and matching parts which are mutually matched, the fool-proof parts are arranged at one of the light guide side ends of the light guide plate, and the matching parts are arranged at the inner side end of the rubber frame, so that the light guide plate can only be installed into the rubber frame from the right side, and the problem that the side-in backlight module is abnormal in display caused by reverse installation of the light guide plate is prevented.
Description
Technical Field
The present utility model relates to backlight modules, and particularly to a side-entry backlight module and a display device.
Background
The backlight module is one of the key components of the liquid crystal display panel, and the function of the backlight module is to supply enough light sources with uniform brightness and distribution, so that the backlight module can normally display images. The light guide plate is used as a core component of the whole backlight and is used for converting incident light into plane light, and light rays emitted from the light guide plate are diffused and brightened by the optical film material to form a required surface light source to be provided for the liquid crystal panel.
The existing light guide plate is rectangular, the left end and the right end of the light inlet end are designed to be horizontal and level, however, in the backlight assembly process, the front side and the back side are not easy to identify because the left end and the right end of the light guide plate have the same structure, and in the employee operation process, the front side and the back side of the light guide plate are easy to be reversely assembled, so that abnormal display is caused.
Disclosure of Invention
The utility model mainly aims to provide a side-in type backlight module, which aims to solve the problem that when a light guide plate is installed in a rubber frame, the front side and the back side are easily installed reversely, so that abnormal display is caused.
In order to achieve the above object, the side-entry backlight module according to the present utility model includes:
a light guide plate having a light incident side portion having two light guide side ends along a width direction thereof;
the rubber frame is arranged on the periphery of the light guide plate in a surrounding mode; the method comprises the steps of,
the fool-proof structure comprises fool-proof parts and matching parts, wherein the fool-proof parts are arranged at one of the light guide side ends of the light guide plate, and the matching parts are arranged at the inner side ends of the rubber frame.
Optionally, one of the light guiding side ends is partially recessed inwards along the length direction of the light guiding plate to form a notch, and the fool-proof part comprises the notch;
correspondingly, the inner side end of the rubber frame is inwards convexly arranged corresponding to the notch to form an adapting bulge, and the matching part comprises the adapting bulge.
Optionally, a lamp glue is filled between the notch and the fitting protrusion.
Optionally, a plurality of lamp sockets are arranged at intervals along the width direction of the light guide plate at one end of the glue frame corresponding to the light incident side part of the light guide plate;
the side-entry backlight module further comprises a lamp strip assembly, and a plurality of lamp beads of the lamp strip assembly are respectively and correspondingly arranged in the lamp grooves.
Optionally, the light bar assembly is adhered in the light trough through light glue.
Optionally, the light incident side is adhered to the light bar assembly by a light adhesive.
Optionally, the light bar assembly includes a light bead and a flexible circuit board, and the light bead is electrically connected to the flexible circuit board.
Optionally, two fool-proof structures are arranged and are respectively arranged at the two light guide side ends of the light incident side part;
the fool-proof parts in the two fool-proof structures are arranged in different shapes.
Optionally, the side-entering backlight module further includes:
the backboard is arranged on the back surface of the light guide plate;
the reflecting sheet is arranged between the back plate and the light guide plate;
the diffusion plate is arranged on the front surface of the light guide plate; the method comprises the steps of,
a light enhancement sheet arranged on the front surface of the diffusion plate;
the back plate, the reflecting sheet, the diffusion plate, the light enhancement sheet and the light guide plate are assembled and then mounted in the rubber frame, and are adhered with the rubber frame through shading rubber.
The utility model also provides a display device, including the side income formula backlight unit of arbitrary above.
According to the technical scheme, the fool-proof structures are arranged on the light guide plate and the rubber frame, namely, the fool-proof parts are arranged on one light guide side end of the light incident side part on the light guide plate, so that the structures of the two light guide side ends of the light guide plate are different, and the matching parts matched with the fool-proof parts are arranged at the corresponding positions of the inner side ends of the rubber frame, so that the light guide plate can only be installed into the rubber frame from the correct side, and the problem that the display of the side-in type backlight module is abnormal due to the reverse installation of the front side and the back side of the light guide plate is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a side-entry backlight module according to an embodiment of the utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is a schematic diagram of a side-entry backlight module according to another embodiment of the utility model;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
FIG. 6 is a partial enlarged view at D in FIG. 4;
FIG. 7 is a schematic view of the light bar assembly of FIG. 1;
FIG. 8 is a schematic cross-sectional view of FIG. 1;
fig. 9 is a partial enlarged view at E in fig. 8.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 100 | Side-in |
3 | |
| 1 | |
31 | |
| 11 | |
32 | |
| 111 | Light guide side end | 4 | |
| 12 | Fool- |
5 | |
| 12a | |
6 | |
| 2 | |
61 | Up-intensifying |
| 21 | Mating |
62 | Lower intensifying |
| 21a | Fitting |
7 | |
| 22 | |
8 | Shading adhesive |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The backlight module is one of the key components of the liquid crystal display panel, and the function of the backlight module is to supply enough light sources with uniform brightness and distribution, so that the backlight module can normally display images. The light guide plate is used as a core component of the whole backlight and is used for converting incident light into plane light, and light rays emitted from the light guide plate are diffused and brightened by the optical film material to form a required surface light source to be provided for the liquid crystal panel.
The existing light guide plate is rectangular, the left end and the right end of the light inlet end are designed to be horizontal and level, however, in the backlight assembly process, the front side and the back side are not easy to identify because the left end and the right end of the light guide plate have the same structure, and in the employee operation process, the front side and the back side of the light guide plate are easy to be reversely assembled, so that abnormal display is caused.
In order to solve the above-mentioned problems, the present utility model provides a display device, which includes a side-entry backlight module 100, fig. 1 to 3 and fig. 7 to 9 are embodiments of the side-entry backlight module 100, and fig. 4 to 6 are embodiments of the side-entry backlight module 100, and all display devices including the side-entry backlight module 100 are the display devices of the present utility model.
In the embodiment of the present utility model (hereinafter referred to as the present embodiment), the side-entry backlight module 100 is shown in fig. 1 to 3 and fig. 7 to 9, where the side-entry backlight module 100 includes a light guide plate 1, a plastic frame 2, and a fool-proof structure, the light guide plate 1 has a light-entry side portion 11, the light-entry side portion 11 has two light-guide side ends 111 along a width direction thereof, the plastic frame 2 is disposed around a periphery of the light guide plate 1, the fool-proof structure includes a fool-proof portion 12 and a mating portion 21 that are mated with each other, the fool-proof portion 12 is disposed at one of the light-guide side ends 111 of the light guide plate 1, and the mating portion 21 is disposed at an inner side end of the plastic frame 2.
According to the technical scheme of the utility model, the fool-proof structures are arranged on the light guide plate 1 and the glue frame 2, namely, the fool-proof part 12 is arranged on one light guide side end 111 of the light incident side part 11 on the light guide plate 1, so that the two light guide side ends 111 of the light guide plate 1 are different in structure, and the matching part 21 matched with the fool-proof part 12 is arranged at the corresponding position of the inner side end of the glue frame 2, so that the light guide plate 1 can only be installed into the glue frame 2 from the correct side, and the problem that the side-in backlight module 100 displays abnormality due to reverse installation of the front side and the back side of the light guide plate 1 is prevented.
In general, the form of the fool-proof structure is not specifically limited, and a fool-proof inclined plane may be disposed at one of the light guiding side ends 111 of the light guiding plate 1, a second fool-proof inclined plane matched with the inclined plane is disposed at a corresponding position of the glue frame 2, so that the fool-proof effect can be achieved, and there are various fool-proof structures, which are not illustrated here, in this embodiment, as shown in fig. 1 to 3, the light guiding side end 111 on the left side of the light incident side 11 is partially recessed inward along the length direction of the light guiding plate 1 to form a notch 12a, the notch 12a is used as the fool-proof portion 12, the corresponding inner side end of the glue frame 2 is provided with an adapting protrusion 21a formed to protrude inwards corresponding to the notch 12a, the adapting protrusion 21a is used as the adapting portion 21, the notch 12a is matched with the protrusion to prevent the light guiding plate 1 from being mounted in the glue frame 2, and the notch 12a can be formed to the same as the notch 11 on the right side.
Further, the gap 12a and the fitting protrusion 21a are filled with the light glue 7, and the gap 12a and the fitting protrusion 21a are adhered by the light glue 7, so that not only is the problem of light leakage caused by a possible gap between the gap 12a and the protrusion prevented, but also the fool-proof matching of the gap 12a and the fitting protrusion 21a increases the contact area of the light guide plate 1 and the glue frame 2 compared with other fool-proof structures such as the fool-proof inclined plane mentioned above, so that the adhesion between the two is more stable, and light leakage caused by the floating of the light glue 7 in the reliability test process is prevented.
The side-entry backlight module 100 should further have a light source, so the side-entry backlight module 100 further includes a light bar assembly 3, referring to fig. 2, the light bar assembly 3 includes a plurality of light beads 31, for making the light bar assembly 3 have a reasonable installation position, one end of the glue frame 2 corresponding to the light-entry side portion 11 of the light guide plate 1 is provided with a plurality of light slots 22 disposed at intervals along the width direction thereof, and the plurality of light slots 22 are used for respectively installing the plurality of light beads 31 to determine the position of the light source, so as to provide a stable light source for the side-entry backlight module 100.
Specifically, the light bar assembly 3 is adhered to each light groove 22 through the light glue 7, and the light glue 7 is used for adhering to further fix the relative positions of the light bar assembly 3 and the glue frame 2, so that the situation that the side-in type backlight module 100 is displaced in the use process is prevented, abnormal display occurs, and normal use of products is ensured.
On the other hand, the light incident side 11 is also adhered to the light bar assembly 3 through the light glue 7, lateral light emitted by the light bar assembly 3 is required to be converted into planar light through the light guide plate 1 so as to be displayed through a display module of the display device, so that the light incident side 11 of the light guide plate 1 is adhered to the light bar assembly 3 to ensure that the relative positions of the light guide plate 1 and the light bar assembly 3 are kept stable, thereby providing a good display effect, the light transmittance of the light glue 7 is excellent, the light guide plate 1 and the light bar assembly 3 are adhered through the light glue 7 without greatly influencing the light transmission under the condition of keeping the stability of the two relative positions, and such good effect cannot be achieved if other modes of adhesive bonding are used.
In order to make the light bar assembly 3 perform switch control, the light bar assembly 3 includes a light bead 31 and a flexible circuit board 32, where the light bead 31 is welded on the flexible circuit board 32 and electrically connected to the flexible circuit board 32, so that the light bead 31 of the light bar assembly 3 is controlled to emit light or extinguish by setting the connection of the flexible circuit board 32.
In another embodiment of the present utility model, as shown in fig. 4 to 6, two fool-proof structures are provided, and two light guiding side ends 111 are respectively provided at the light incident side 11, wherein the fool-proof parts 12 in the two fool-proof structures are different in shape, the fool-proof parts 12 of the light guiding side ends 111 on the left side can be provided as inclined surfaces, the fool-proof parts 12 of the light guiding side ends 111 on the right side are provided as grooves, the inner side ends of the plastic frame 2 are provided with corresponding second inclined surfaces and corresponding protrusions, and the number of such combinations is quite large, and in this embodiment, the fool-proof parts 12 are notches 12a with different shapes respectively provided at the light guiding side ends 111 on the left side and the right side, and when the plastic frame 2 is installed, the plastic frame 1 can only be installed from the right side, and the situation that the front and the back of the plastic frame 1 is not misplaced can not happen.
The complete side-entry backlight module 100 should further have a series of optical films, referring to fig. 8 and 9, the side-entry backlight module 100 further includes a back plate, a reflective sheet 4, a diffusion plate 5, and a light-increasing sheet 6, the back plate is disposed on the back surface of the light guide plate 1, the reflective sheet 4 is disposed between the back plate and the light guide plate 1, the diffusion plate 5 is disposed on the front surface of the light guide plate 1, the light-increasing sheet 6 includes an upper light-increasing sheet 61 and a lower light-increasing sheet 62, the upper light-increasing sheet 61 and the lower light-increasing sheet 62 are overlapped and disposed on the front surface of the diffusion plate 5, and the optical films and the light guide plate 1 are assembled and then are mounted in the glue frame 2, and are adhered to the glue frame 2 through a light-shielding glue 8, so that the light-shielding glue 8 is opaque, and the light utilization rate of the light is improved when the light is transmitted between the optical films and the light guide plate 1 is prevented.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A side-entry backlight module, comprising:
a light guide plate having a light incident side portion having two light guide side ends along a width direction thereof;
the rubber frame is arranged on the periphery of the light guide plate in a surrounding mode; the method comprises the steps of,
the fool-proof structure comprises fool-proof parts and matching parts, wherein the fool-proof parts are arranged at one of the light guide side ends of the light guide plate, and the matching parts are arranged at the inner side ends of the rubber frame.
2. The side-entry backlight module of claim 1, wherein one of the light-guiding side ends is partially recessed inward along a length direction of the light-guiding plate to form a notch, and the fool-proof portion comprises the notch;
correspondingly, the inner side end of the rubber frame is inwards convexly arranged corresponding to the notch to form an adapting bulge, and the matching part comprises the adapting bulge.
3. The side-entry backlight module of claim 2, wherein a lamp glue is filled between the notch and the fitting protrusion.
4. The side-entry backlight module of claim 1, wherein the glue frame has a plurality of lamp grooves spaced apart along a width direction thereof at one end corresponding to the light-entering side portion of the light guide plate;
the side-entry backlight module further comprises a lamp strip assembly, and a plurality of lamp beads of the lamp strip assembly are respectively and correspondingly arranged in the lamp grooves.
5. The side-entry backlight module of claim 4, wherein the light bar assembly is adhered to the inside of the light trough by a light adhesive.
6. A side-entry backlight module as claimed in claim 4, wherein the light-entry side is bonded to the light bar assembly by a lamp glue.
7. The side-entry backlight module of claim 4, wherein the light bar assembly comprises a light bead and a flexible circuit board, the light bead being electrically connected to the flexible circuit board.
8. The side-entry backlight module according to claim 1, wherein two fool-proof structures are provided and are separately provided at two light guiding side ends of the light-entry side portion;
the fool-proof parts in the two fool-proof structures are arranged in different shapes.
9. The side-entry backlight module of claim 1, wherein the side-entry backlight module further comprises:
the backboard is arranged on the back surface of the light guide plate;
the reflecting sheet is arranged between the back plate and the light guide plate;
the diffusion plate is arranged on the front surface of the light guide plate; the method comprises the steps of,
a light enhancement sheet arranged on the front surface of the diffusion plate;
the back plate, the reflecting sheet, the diffusion plate, the light enhancement sheet and the light guide plate are assembled and then mounted in the rubber frame, and are adhered with the rubber frame through shading rubber.
10. A display device comprising a side entry backlight module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556739.3U CN218995837U (en) | 2022-09-26 | 2022-09-26 | Side-in type backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556739.3U CN218995837U (en) | 2022-09-26 | 2022-09-26 | Side-in type backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995837U true CN218995837U (en) | 2023-05-09 |
Family
ID=86217271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222556739.3U Active CN218995837U (en) | 2022-09-26 | 2022-09-26 | Side-in type backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218995837U (en) |
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2022
- 2022-09-26 CN CN202222556739.3U patent/CN218995837U/en active Active
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