CN209946602U - Firm narrow frame backlight unit, liquid crystal display device and electronic equipment - Google Patents
Firm narrow frame backlight unit, liquid crystal display device and electronic equipment Download PDFInfo
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- CN209946602U CN209946602U CN201920944828.0U CN201920944828U CN209946602U CN 209946602 U CN209946602 U CN 209946602U CN 201920944828 U CN201920944828 U CN 201920944828U CN 209946602 U CN209946602 U CN 209946602U
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Abstract
The utility model discloses a firm narrow frame backlight unit, liquid crystal display device and electronic equipment, backlight unit includes: the backlight module comprises a back plate, a glue frame arranged on the periphery of the back plate and a lower light enhancement film arranged in the back plate, wherein at least one first positioning part is arranged at a chamfer position on at least one side of the lower light enhancement film close to a light source end, the glue frame is provided with a second positioning part corresponding to each first positioning part, and the first positioning parts and the second positioning parts are mutually matched to fixedly connect the lower light enhancement film and the glue frame together. The utility model discloses through set up location portion on membrane material and gluey frame among the backlight unit, can fix the membrane material effectively, avoid the aversion of membrane material especially bright enhancement membrane down, simple structure, the quality of backlight unit can effectively be improved in the easy operation of technology, is fit for the fixed of membrane material among the super narrow frame backlight unit.
Description
Technical Field
The utility model relates to a backlight unit technical field especially relates to a firm narrow frame backlight unit, liquid crystal display device and electronic equipment.
Background
In the existing liquid crystal display device industry, various kinds of unavoidable external impacts or falls exist in the transportation and use processes of the backlight module, so that the problems of displacement and abrasion of a film material, bright lines, bright edges and the like occur, and the service performance is influenced.
The lower bright enhancement film is easy to shift in the existing narrow-frame backlight module structure, the problem of bright lines on the top side is generated, and the lighting effect and the quality of a product are influenced.
Therefore, the prior art is not sufficient and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a firm narrow frame backlight unit, liquid crystal display device and electronic equipment.
The technical scheme of the utility model as follows: the utility model provides a firm narrow frame backlight unit, includes: the backlight module comprises a back plate, a glue frame arranged on the periphery of the back plate and a lower light enhancement film arranged in the back plate, wherein at least one first positioning part is arranged at a chamfer position on at least one side of the lower light enhancement film close to a light source end, the glue frame is provided with a second positioning part corresponding to each first positioning part, and the first positioning parts and the second positioning parts are mutually matched to fixedly connect the lower light enhancement film and the glue frame together.
Furthermore, the first positioning portion is a first bump, the second positioning portion is a second groove correspondingly, and the first bump is clamped into the second groove to be matched with the second groove.
Further, the shape of the first bump is rectangular, trapezoidal or triangular, the second groove is consistent with the shape of the first bump, the size of the second groove is larger than that of the first bump, and the second groove can accommodate the first bump.
Furthermore, the length range of the first bump clamped into the second groove is 0.25 mm-1.0 mm.
Further, the first positioning portion is a first groove, and correspondingly the second positioning portion is a second bump, and the second bump is clamped into the first groove to be matched with the first groove.
Further, the second bump is rectangular, trapezoidal or triangular, the first groove is consistent with the second bump in shape, the size of the first groove is larger than that of the second bump, and the first groove can accommodate the second bump.
Furthermore, the length range of the second bump clamped into the first groove is 0.25 mm-1.0 mm.
Furthermore, the backlight module further comprises an upper brightness enhancement film arranged above the lower brightness enhancement film and a diffusion film arranged below the lower brightness enhancement film, a third positioning portion is arranged at a position, corresponding to the first positioning portion, of the diffusion film, the shape of the third positioning portion is consistent with that of the first positioning portion, the third positioning portion is matched with the second positioning portion to fixedly connect the diffusion film with the glue frame, and the thickness of the second positioning portion is larger than or equal to the sum of the thicknesses of the upper brightness enhancement film, the lower brightness enhancement film and the diffusion film.
The utility model also provides a liquid crystal display device, include: the liquid crystal display device comprises a liquid crystal display panel, a control circuit and the backlight module.
The utility model also provides an electronic equipment contains as above liquid crystal disply device.
According to the above technical scheme, the utility model discloses through set up location portion on membrane material and gluey frame among the backlight unit, can fix membrane material effectively, avoid the aversion of membrane material especially bright enhancement membrane down, simple structure, the quality that can effectively improve backlight unit is easily operated to the technology, is fit for fixing of membrane material among the super narrow frame backlight unit.
Drawings
Fig. 1 is a schematic structural view of a firm narrow-frame backlight module according to the present invention;
fig. 2 is a schematic structural view of a lower brightness enhancement film in an embodiment of the firm narrow-frame backlight module of the present invention;
fig. 3 is a schematic structural diagram of a diffusion film in an embodiment of the firm narrow-frame backlight module of the present invention;
fig. 4 is a schematic structural diagram of a rubber frame in an embodiment of the firm narrow-frame backlight module of the present invention;
fig. 5 is a schematic structural view of an embodiment of the firm narrow-frame backlight module of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
fig. 7 is a schematic structural view of a lower brightness enhancement film in another embodiment of the firm narrow-frame backlight module of the present invention;
FIG. 8 is a schematic structural diagram of a diffusion film in another embodiment of the robust narrow-bezel backlight module of the present invention;
fig. 9 is a schematic structural view of a rubber frame in another embodiment of the firm narrow-bezel backlight module of the present invention;
fig. 10 is a schematic structural view of another embodiment of the firm narrow-frame backlight module of the present invention;
fig. 11 is an enlarged view of a portion B in fig. 10.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 11, the present invention provides a firm narrow-frame backlight module, including: the back plate comprises a back plate 1, a rubber frame 2 arranged on the periphery of the back plate 1, a lower brightness enhancement film 3 arranged in the back plate 1, an upper brightness enhancement film arranged above the lower brightness enhancement film 3, and a diffusion film 8 arranged below the lower brightness enhancement film 3. The chamfering position of the lower light enhancement film 3, which is close to at least one side of the light source end, is provided with at least one first positioning part, the glue frame 2 is provided with a second positioning part corresponding to each first positioning part, and the first positioning part and the second positioning part are mutually matched to form a fixing structure similar to a buckle, so that the lower light enhancement film 3 is fixedly connected with the glue frame 2, and the lower light enhancement film 3 is fixed. The diffusion membrane 8 is provided with a third positioning portion corresponding to the first positioning portion, the third positioning portion is consistent with the first positioning portion in shape, the third positioning portion is matched with the second positioning portion to form a similar buckle fixing structure, so that the diffusion membrane 8 is connected and fixed with the rubber frame 2, the lower diffusion membrane is fixed, and the thickness of the second positioning portion is larger than or equal to the sum of the thicknesses of the upper light-adding membrane, the lower light-adding membrane and the diffusion membrane. The utility model discloses through set up location portion on membrane material and gluey frame among the backlight unit, can fix the membrane material effectively, avoid the aversion of membrane material especially bright enhancement membrane down, simple structure, the quality of backlight unit can effectively be improved in the easy operation of technology, is fit for the fixed of membrane material among the super narrow frame backlight unit.
Referring to fig. 2 to 6, the present invention provides an embodiment, specifically, in this embodiment, the first positioning portion is a first bump 4, the second positioning portion is a second groove 5, the third positioning portion is a third bump 9, the first bump 4 and the third bump 9 are all clamped into the second groove 5 and are matched with the second groove 5 to form a fastening structure similar to a buckle, so as to fix the lower brightness enhancement film 3 and the diffusion film 8. In this embodiment, the number of the first bumps 4 is two, and the first bumps are arranged at the chamfers at two sides of the lower brightness enhancement film 3 close to the light source end, the number of the third bumps 9 is two, and the third bumps correspond to the first bumps 4, and meanwhile, the number of the second grooves 5 is two, and the second grooves are arranged at the positions of the glue frame 2 corresponding to the first bumps 4. Specifically, in this embodiment, the shapes of the first bump 4 and the third bump 9 are both rectangular, trapezoidal, triangular, or other shapes convenient for molding, the second groove 5 is identical to the shapes of the first bump 4 and the third bump 9, and the size of the second groove 5 is slightly larger than the size of the first bump 4 and the third bump 9, so as to ensure that the second groove 5 can accommodate the first bump 4 and the third bump 9, and meanwhile, the first bump 4 and the third bump 9 are clamped into the second groove 5, the length range of which is 0.25mm to 1.0mm, so as to ensure that the second groove 5 is clamped into the first bump 4 and the third bump 9, thereby fixing the lower light-adding film 3 and the diffusion film 8. Certainly, the chamfer on any side of the lower brightness enhancement film 3 near the light source end is provided with one first bump 4, the diffusion film 8 is provided with one third bump 9 corresponding to the first bump 4, and the glue frame 2 is provided with one second groove 5 corresponding to the first bump 4 in a matching manner.
Referring to fig. 7 to 11, the present invention provides another embodiment, specifically, in this embodiment, the first positioning portion is a first groove 6, the third positioning portion is a third groove 10, correspondingly, the second positioning portion is a second bump 7, the second bump 7 is clamped into the first groove 6 and the third groove 10 to form a fastening-like fixing structure in cooperation with the first groove 6 and the third groove 10, so as to fix the lower brightness enhancement film 3. In this embodiment, the number of the first grooves 6 is two, and the chamfering positions of the lower brightness enhancement film 3 close to the two sides of the light source end are provided, the number of the third grooves 10 is two, and the third grooves correspond to the first grooves 6, and meanwhile, the number of the second bumps 7 is also two and are provided at the positions of the first grooves 6 corresponding to the glue frame 2, so that the fixing effect of the design on the film material is good. Specifically, in this embodiment, the shape of the first groove 6 and the third groove 10 is rectangular, trapezoidal, or triangular, or other shapes that are convenient for forming, the second protrusion 7 is identical to the shape of the first groove 6 and the third groove 10, and the size of the second protrusion 7 is slightly smaller than the size of the first groove 6 and the third groove 10, so as to ensure that the first groove 6 and the third groove 10 can accommodate the second protrusion 7, and at the same time, the second protrusion 7 is clamped into the first groove 6 and the third groove 10, the length range of which is 0.25mm to 1.0mm, so as to ensure that the first groove 6 and the third groove 10 are clamped into the second protrusion 7, thereby fixing the lower light-adding film 3 and the diffusion film 8. Certainly, the first grooves 6 can also be respectively arranged at the chamfers at two sides of the lower brightness enhancement film 3 close to the light source end, at least one third groove 10 is correspondingly arranged on the diffusion film 8, and two second bumps 7 are arranged at the positions of the rubber frame 2 corresponding to the first grooves 6 in a matching manner, so that the process is simplified while the film material is fixed.
The utility model also provides a liquid crystal display device, include: the liquid crystal display device comprises a liquid crystal display panel, a control circuit and the backlight module.
To sum up, the utility model discloses through set up location portion on membrane material and gluey frame among the backlight unit, can fix the membrane material effectively, avoid the aversion of membrane material especially bright enhancement membrane down, simple structure, the quality that can effectively improve backlight unit is easily operated to the technology, is fit for the fixed of membrane material among the super narrow frame backlight unit.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a firm narrow frame backlight unit which characterized in that includes: the backlight module comprises a back plate, a glue frame arranged on the periphery of the back plate and a lower light enhancement film arranged in the back plate, wherein at least one first positioning part is arranged at a chamfer position on at least one side of the lower light enhancement film close to a light source end, the glue frame is provided with a second positioning part corresponding to each first positioning part, and the first positioning parts and the second positioning parts are mutually matched to fixedly connect the lower light enhancement film and the glue frame together.
2. The tight narrow-bezel backlight module according to claim 1, wherein the first positioning portion is a first protrusion, the second positioning portion is a second groove, and the first protrusion is inserted into the second groove and engaged with the second groove.
3. The strong narrow bezel backlight module of claim 2, wherein the first protrusion is rectangular, trapezoidal, or triangular in shape, the second recess conforms to the first protrusion, and the size of the second recess is larger than the size of the first protrusion, the second recess is capable of receiving the first protrusion.
4. The tight narrow-bezel backlight module according to claim 3, wherein the length of the first protrusion clamped into the second groove ranges from 0.25mm to 1.0 mm.
5. The tight narrow-bezel backlight module according to claim 1, wherein the first positioning portion is a first groove, and correspondingly the second positioning portion is a second protrusion, and the second protrusion is inserted into the first groove and engaged with the first groove.
6. The strong narrow bezel backlight module of claim 5, wherein the second protrusion is rectangular, trapezoidal, or triangular in shape, the first recess conforms to the second protrusion, and the size of the first recess is larger than the size of the second protrusion, the first recess can accommodate the second protrusion.
7. The tight narrow-bezel backlight module according to claim 6, wherein the length of the second protrusion inserted into the first groove ranges from 0.25mm to 1.0 mm.
8. The backlight module with a narrow frame as claimed in claim 1, further comprising an upper light-adding film disposed above the lower light-adding film and a diffusion film disposed below the lower light-adding film, wherein the diffusion film has a third positioning portion corresponding to the first positioning portion, the third positioning portion is in a shape consistent with the first positioning portion, the third positioning portion and the second positioning portion are engaged with each other to connect and fix the diffusion film and the bezel, and the thickness of the second positioning portion is greater than or equal to the sum of the thicknesses of the upper light-adding film, the lower light-adding film and the diffusion film.
9. A liquid crystal display device comprising: the liquid crystal display panel and the control circuit are characterized by further comprising the backlight module set according to any one of claims 1 to 8.
10. An electronic device comprising the liquid crystal display device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944828.0U CN209946602U (en) | 2019-06-21 | 2019-06-21 | Firm narrow frame backlight unit, liquid crystal display device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944828.0U CN209946602U (en) | 2019-06-21 | 2019-06-21 | Firm narrow frame backlight unit, liquid crystal display device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946602U true CN209946602U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920944828.0U Active CN209946602U (en) | 2019-06-21 | 2019-06-21 | Firm narrow frame backlight unit, liquid crystal display device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946602U (en) |
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2019
- 2019-06-21 CN CN201920944828.0U patent/CN209946602U/en active Active
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