CN209231661U - A kind of backlight - Google Patents
A kind of backlight Download PDFInfo
- Publication number
- CN209231661U CN209231661U CN201920034178.6U CN201920034178U CN209231661U CN 209231661 U CN209231661 U CN 209231661U CN 201920034178 U CN201920034178 U CN 201920034178U CN 209231661 U CN209231661 U CN 209231661U
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- CN
- China
- Prior art keywords
- optical film
- light guide
- guide plate
- backlight
- film group
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Planar Illumination Modules (AREA)
Abstract
The utility model provides a kind of backlight, forms bending part by the side of the upward bound edge of reflector plate to light guide plate；Optical film group is downwardly extending extension along light guide plate side；Interior outside all toughness in reflector plate buckling portion, inside and light guide plate bond, and the mode that the extension of outside and optical film group bonds is realized in the fixed optical film group in light guide plate side, avoid the case where the fixed optical film group of light guide plate light-emitting surface generates bright line；Solve the problems, such as it is that existing backlight optics module can generate bright line in the bonding of light guide plate light-emitting surface.
Description
Technical field
The utility model relates to technical field of liquid crystal display more particularly to a kind of backlights.
Background technique
Backlight includes several big main components such as light source, light guide plate, reflector plate, optical film group, backboard.The light that light source issues
Line is projected from optical film group after light guide plate.The effect of optical film group is to make light more uniformly, the effect of reflector plate
It is to be reflected back the light for being incident to light guide plate bottom in light guide plate, improves the brightness of light.
Backlight in the prior art, reflector plate and light guide plate are bonded in bottom surface of light guide plate, and optical film group is bonded in leaded light
Above plate, since the glue for bonding used plays the role of reflective and optically focused to light, when glue is located at the light-emitting surface of light guide plate, it can make
Backlight generates bright line, influences the display effect of backlight.
Utility model content
The utility model provides a kind of backlight, forms bending part by the side of the upward bound edge of reflector plate to light guide plate；
Optical film group is downwardly extending extension along light guide plate side；Interior outside all toughness in reflector plate buckling portion, inside with
The mode that the extension of light guide plate bonding, outside and optical film group bonds is realized in the fixed optical film group in light guide plate side, is avoided
The case where the fixed optical film group of light guide plate light-emitting surface generates bright line.
The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:
A kind of backlight, including the reflector plate, light guide plate and optical film group being cascading from the bottom up；The optics
At least side of film group is downwardly extending extension；At least side of the reflector plate is folded upward to form bending part, described
All there is viscosity, inside is fixed with light guide plate side bonds, and outside is adhesively fixed with extension inside and outside bending part.
Using the above structure, optical film group is fixed in light guide plate side, is avoided in the fixed optical film group of light guide plate light-emitting surface
The case where generating bright line.
It advanced optimizes as the optical film group includes at least one optical film, and each optical film all has at least one to prolong
Extending portion.
It advanced optimizes as the extension of each optical film of the optical film group does not overlap after pasting.
Using the above structure, the extension of optical film is arranged in a staggered manner in light guide plate side, does not overlap, so that light guide plate side
Face maintains the same thickness.
It advanced optimizes to be provided with hole between each optical film and its extension.
Using the above structure, hole is provided between optical film and extension, convenient for bending optical film.
The broken line of punching is equipped between the reflector plate and its bending part.
Using the above structure, broken line is convenient for bending reflector plate.
It advanced optimizes as optical film group includes the diffusion barrier set gradually from the bottom up, lower bright enhancement film, upper bright enhancement film.
It advanced optimizes as the optical film group further includes the sunscreen film above upper bright enhancement film.
Using the above structure, sunscreen film can protect the diffusion barrier and bright enhancement film of lower section, prevent its deformation of fading.
It advanced optimizes as double-sided adhesive is all posted in the interior outside of the bending part of the reflector plate.
Using the above structure, double-sided adhesive is cheap, excellent adsorption, is common material in backlight.
Advanced optimize assisted by way of magnetic absorption between, the light guide plate, reflector plate, optical film group it is solid
It is fixed.
Using the above structure, reflector plate, light guide plate, optical film group are auxiliarily fixed by the way of magnetic absorption to enable to
Connect stronger bonding strength between raising three.
It advanced optimizes as the light source of the backlight is mounted on the side of light guide plate, and backlight is the backlight of side entering type
Source.
Using the above structure, side-edge type backlight is advantageously implemented the lightening of backlight.
In conclusion the utility model has the following beneficial effects:
The utility model provides a kind of backlight, forms bending part by the side of the upward bound edge of reflector plate to light guide plate；
Optical film group is downwardly extending extension along light guide plate side；Interior outside all toughness in reflector plate buckling portion, inside with
The mode that the extension of light guide plate bonding, outside and optical film group bonds is realized in the fixed optical film group in light guide plate side, is avoided
The case where the fixed optical film group of light guide plate light-emitting surface generates bright line.
Detailed description of the invention
Fig. 1 is the light guide plate, reflector plate, optical film group connection schematic diagram of the backlight of the utility model.
Fig. 2 is the schematic diagram of the reflector plate of the utility model.
Fig. 3 is the schematic diagram of the optical film group of the utility model.
Appended drawing reference: 1, light guide plate；2, optical film group；201, diffusion barrier；202, lower bright enhancement film；203, upper bright enhancement film；3,
Reflector plate；4, bending part；5, extension；6, hole；7, broken line.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, the application
Embodiment and embodiment in feature can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Embodiment
As shown in Figure 1, 2, 3, backlight, including the reflector plate 3, light guide plate 1 and optics being cascading from the bottom up
Film group 2；At least side of the optical film group 2 is downwardly extending extension 5；At least side of the reflector plate 3 is bent up
Folding forms bending part 4, all has viscosity inside and outside the bending part 4, inside is fixed with 1 side bonds of light guide plate, outside
It is adhesively fixed with extension 5.
In a preferred embodiment of the utility model, 4 medial and lateral of bending part are designed with double-sided adhesive and (do not show in figure
Out).It is understood that double-sided adhesive can be coating or be pasted by machine appended.Further, reflector plate 3 and bending part 4
Between be equipped with broken line 7, broken line 7 is that punching is formed, and convenient for bending reflector plate 3, while being also beneficial to paste on bending part 4 two-sided
Positioning when glue.
Preferably, the optical film group 2 includes at least one optical film, and each optical film all has an at least extension 5.
Further, the extension of each optical film of optical film group 2 does not overlap after pasting.Specifically, optical film group 2 is wrapped
Include diffusion barrier 201, lower bright enhancement film 202, upper bright enhancement film 203, the extension of the extension 501 of diffusion barrier 201 and lower bright enhancement film 202
502, the extension 503 of upper bright enhancement film 203 is arranged in a staggered manner, and is not overlapped.
Further, it is provided with hole 6 between optical film and its extension 5, convenient for folding optical film.
Preferably, sunscreen film (not shown) can also be set on upper bright enhancement film 203, protect other optics
Film, making it, fugitive color does not deform.
Preferably, light guide plate 1, reflector plate 3, be auxiliarily fixed by way of magnetic absorption between optical film group 2；Such as:
Magnet (not shown) is set in light guide plate 1, and the metalwork or magnetic attracting with magnet are set in reflector plate 3 and optical film group 2
Powder (not shown), in this way, magnetic again can be made between reflector plate 3, light guide plate 1 and optical film group 2 except sticking double faced adhesive tape
It is fixed, further increase the fixing intensity between three.
Backlight provided by the utility model can be side entering type, be also possible to straight-down negative, preferably side entering type,
The lightening of backlight is better achieved.
The utility model provides a kind of backlight, forms bending part by the side of the upward bound edge of reflector plate to light guide plate；
Optical film group is downwardly extending extension along light guide plate side；Interior outside all toughness in reflector plate buckling portion, inside with
The mode that the extension of light guide plate bonding, outside and optical film group bonds is realized in the fixed optical film group in light guide plate side, is avoided
The case where the fixed optical film group of light guide plate light-emitting surface generates bright line；Solve the problems, such as it is that existing backlight optics module exists
The bonding of light guide plate light-emitting surface can generate bright line.
Above-mentioned specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this
Field technical staff can according to need after reading this specification makes without creativeness the present embodiment and embodiment
The modification of contribution, but as long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of backlight, which is characterized in that including the reflector plate, light guide plate and optical film being cascading from the bottom up
Group；At least side of the optical film group is downwardly extending extension；At least side of the reflector plate is folded upward to be formed
Bending part all has viscosity inside and outside the bending part, and inside is fixed with light guide plate side bonds, and outside and extension glue
Connect fixation.
2. backlight according to claim 1, which is characterized in that the optical film group includes at least one optical film, often
One optical film all has an at least extension.
3. backlight according to claim 2, which is characterized in that the extension of each optical film of the optical film group is viscous
It is not overlapped after patch.
4. backlight according to claim 2, which is characterized in that be provided between each optical film and its extension
Hole.
5. backlight according to claim 1, which is characterized in that equipped with punching between the reflector plate and its bending part
Broken line.
6. backlight according to claim 2, which is characterized in that optical film group includes the diffusion set gradually from the bottom up
Film, lower bright enhancement film, upper bright enhancement film.
7. backlight according to claim 5, which is characterized in that the optical film group further includes being located above upper bright enhancement film
Sunscreen film.
8. backlight according to claim 1, which is characterized in that all post double in the interior outside of the bending part of the reflector plate
Face glue.
9. backlight according to claim 1, which is characterized in that the light guide plate, reflector plate pass through between optical film group
The mode of magnetic absorption is auxiliarily fixed.
10. backlight according to claim 1, which is characterized in that the light source of the backlight is mounted on the side of light guide plate
Face, backlight are the backlights of side entering type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034178.6U CN209231661U (en) | 2019-01-09 | 2019-01-09 | A kind of backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034178.6U CN209231661U (en) | 2019-01-09 | 2019-01-09 | A kind of backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231661U true CN209231661U (en) | 2019-08-09 |
Family
ID=67510263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920034178.6U Active CN209231661U (en) | 2019-01-09 | 2019-01-09 | A kind of backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209231661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859594A (en) * | 2022-06-16 | 2022-08-05 | 上海天马微电子有限公司 | Backlight module and display device |
-
2019
- 2019-01-09 CN CN201920034178.6U patent/CN209231661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859594A (en) * | 2022-06-16 | 2022-08-05 | 上海天马微电子有限公司 | Backlight module and display device |
| CN114859594B (en) * | 2022-06-16 | 2024-05-14 | 上海天马微电子有限公司 | Backlight module and display device |
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