CN210954398U - Backlight structure - Google Patents
Backlight structure Download PDFInfo
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- CN210954398U CN210954398U CN201922401205.1U CN201922401205U CN210954398U CN 210954398 U CN210954398 U CN 210954398U CN 201922401205 U CN201922401205 U CN 201922401205U CN 210954398 U CN210954398 U CN 210954398U
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- glue
- guide plate
- light
- coating
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Abstract
The utility model discloses a backlight structure, which comprises a light guide plate and an optical film arranged on the light guide plate, wherein the light guide plate comprises a light-emitting surface and a light-incoming surface, the edge of the light-emitting surface is also provided with a gluing area, the optical film is fixed on the light-emitting surface of the light guide plate by arranging gluing on the gluing area, the surface of the gluing area is a rough surface, and a glue groove is also arranged on the gluing area; for traditional mode through setting up two-sided the gluing and fixing blooming and light guide plate, the utility model has the advantages of: use the rubber coating to paste, need not to produce the shaping two-sided glue in advance, certainly also need not to develop two-sided required mould that glues, practiced thrift product manufacturing cost, the automatic rubber coating equipment of rubber coating accessible sets up in gluing the inslot, need not the manual work, efficiency is pasted in improvement that can be great, increases the product yield, glues the groove and can effectively control gluey volume and rubber coating thickness, and the mat surface can effectively increase bonding strength, and the while rubber coating does not have the thickness restriction, adapts to frameless, frivolous structural design in a poor light more.
Description
Technical Field
The utility model relates to a display screen structure field especially relates to a structure is shaded.
Background
In the existing backlight structure, a double-sided adhesive tape is usually arranged at one side edge of a light-emitting surface of a light guide plate to enable the light guide plate and an optical film to be adhered and fixed, but the double-sided adhesive tape needs to be formed in advance, and specifications of the double-sided adhesive tapes needed by different backlight structures are different, so that various molds for preparing the double-sided adhesive tape need to be developed, the manufacturing cost of a product is increased invisibly, secondly, the double-sided adhesive tape is difficult to be adhered by using automatic equipment, the double-sided adhesive tape needs to be manually taken and adhered, the production efficiency of the product is; the double-sided adhesive tape can not be made too small and too thin, and is more and more difficult to adapt to the narrow-frame and frameless display screen structure which is popular nowadays.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned use double faced adhesive tape to paste fixed optical film with high costs, be difficult to realize automatic pasting, inefficiency, be difficult to adapt to the frivolous structure scheduling problem of display screen, the utility model provides a structure is shaded.
A backlight structure comprises a light guide plate and an optical film arranged on the light guide plate, wherein the light guide plate comprises a light emergent surface and a light incident surface, a glue coating area is arranged at the edge of the light emergent surface, the optical film is fixed on the light emergent surface of the light guide plate by arranging glue coating on the glue coating area, and the surface of the glue coating area is a rough surface, so that the optical film and the light guide plate are more uniformly and firmly adhered; the glue spreading area is also provided with a glue groove, and the glue spreading is arranged in the glue groove, so that the glue spreading amount is convenient to control, and meanwhile, the glue spreading is effectively prevented from overflowing; this structure of being shaded can directly use automatic rubber coating equipment to carry out the rubber coating operation, need not the manual work, and efficiency is pasted in improvement that can be great, increases the product yield, need not to produce fashioned double faced adhesive tape in advance, also need not certainly to develop the required mould of production double faced adhesive tape, effectively solves traditional double faced adhesive tape and pastes the higher problem of old book, adapts to narrow frame, frameless's display screen structure more.
Furthermore, the glue coating area adopts one or more glue coating modes of full coating, point coating and curve coating to set glue coating.
Further, the glue groove is matched with one or more glue coating modes of full coating, point coating and curve coating to be set to be a corresponding rectangular glue groove, a corresponding circular glue groove or a corresponding curve glue groove; the glue-free glue can adapt to various product structures, the glue consumption is saved, and the production cost of products is further saved.
Furthermore, the optical film comprises a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film which are sequentially stacked from bottom to top.
Furthermore, at least three steps are arranged on one side of the light guide plate, which is provided with the glue coating area, in cooperation with the diffusion film, the lower light intensifying sheet and the upper light intensifying sheet, but the light guide plate is not limited to the three steps.
Furthermore, the height of the ladder sequentially corresponds to the thickness of the diffusion film, the lower brightness enhancement film and the upper brightness enhancement film from bottom to top; the whole backlight structure is lighter and thinner.
Furthermore, each step the ladder all is provided with mutually independent gluey groove, the ladder makes each layer optical film independently paste fixedly, and mutual noninterference guarantees the display effect in the follow-up use of display screen.
Furthermore, the ladder is used for arranging glue coating from bottom to top to sequentially paste and fix the diffusion film, the lower brightness enhancement film and the upper brightness enhancement film, so that each layer of optical film can be independently pasted, the pasting with the light guide plate is more uniform and firm, and the falling is not easy.
Has the advantages that:
the utility model discloses a structure in a poor light uses rubber coating structure to paste fixed light guide plate and blooming, and sets up the rubber coating district, the rubber coating district is the rough surface for paste more firmly, the rubber coating district still is provided with the glue groove, is convenient for control the rubber coating quantity, can prevent the overflow of rubber coating simultaneously; above-mentioned rubber coating structure can perfectly replace traditional double faced adhesive tape structure, directly use automatic rubber coating to carry out the rubber coating operation, need not the manual work, need not to produce fashioned double faced adhesive tape in advance, certainly also need not to develop the required mould of production double faced adhesive tape, efficiency is pasted in improvement that can be great, increase the product yield, the rubber coating structure still adapts to the light guide plate blooming of different specifications and pastes the structure, the manufacturing cost of product has effectively been practiced thrift, the rubber coating does not have thickness and size restriction for the double faced adhesive tape structure simultaneously, adapt to narrow frame more, the structural design that is shaded of no frame.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:
FIG. 1 is a partial schematic structural view of a preferred embodiment of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is an exploded view of the structure of FIG. 1;
FIG. 4 is a schematic view of a light guide plate;
FIG. 5 is an enlarged view of a portion B of FIG. 4;
FIG. 6 is a schematic diagram of a point-like coating structure;
FIG. 7 is a schematic view of a curved coating arrangement;
wherein: a light guide plate-10; optical film-20; a light-emitting surface-11; a light incident surface-12; glue spreading area-13; glue groove-14; gluing-30; a diffusion film-21; a lower brightness enhancement film-22; an upper brightness enhancement film-23; a first step-31; a second step-32; a third step-34.
Detailed Description
The following description of the preferred embodiments of the present invention will enable one skilled in the art to make and use the present invention as described below, and will more fully understand the innovative features and attendant advantages of the present invention.
As shown in fig. 1, 2, and 3, a backlight structure includes a light guide plate 10 and an optical film 20 disposed on the light guide plate 10, where the light guide plate 10 includes a light exit surface 11 and a light entrance surface 12, a glue spreading area 13 is further disposed at an edge of the light exit surface 11, and the optical film 20 is fixed on the light exit surface 11 of the light guide plate 10 by disposing a glue 30 on the glue spreading area 13; referring to fig. 4 and 5, the surface of the glue-coated area 13 is rough, so that the optical film 20 can be more uniformly and firmly adhered to the light guide plate 10; the glue spreading area 13 is also provided with a glue groove 14, and the glue spreading 30 is arranged in the glue groove 14, so that the use amount of the glue spreading 30 is convenient to control, and meanwhile, the overflow of the glue spreading 30 is effectively prevented; this structure of being shaded can directly use automatic rubber coating equipment to carry out the rubber coating operation, need not the manual work, and efficiency is pasted in improvement that can be great, increases the product yield, need not to produce fashioned double faced adhesive tape in advance, also need not certainly to develop the required mould of production double faced adhesive tape, effectively solves traditional and is shaded and uses double faced adhesive tape to paste the higher problem of this, also adapts to narrow frame, frameless's display screen structure more simultaneously.
Further, the glue coating area may be provided with glue 30 by a full-coating manner as shown in fig. 3, by a dot-coating manner as shown in fig. 6, by a curved-line coating manner as shown in fig. 7, or by a combination of the above manners, but is not limited thereto; the glue groove 14 is arranged into a corresponding rectangular glue groove, a corresponding circular glue groove or a corresponding curved glue groove by matching with one or more glue coating modes of full coating, point coating and curve coating; the glue-free glue can adapt to various product structures, the glue consumption is saved, and the production cost of products is further saved.
Further, as shown in fig. 2, the optical film includes a diffusion film 21, a lower light-adding sheet 22, and an upper light-adding sheet 23 stacked in sequence from bottom to top, but is not limited thereto, and a multilayer film structure may be provided.
Referring to fig. 2 and 3, the light guide plate 10 is provided with at least three steps at the side where the glue coating area 13 is arranged, and the diffusion film 21, the lower light intensifying sheet 22 and the upper light intensifying sheet 23 are matched, wherein the three steps include a first step 31, a second step 32 and a third step 33, and the heights of the first step 31, the second step 32 and the third step 33 sequentially correspond to the thicknesses of the diffusion film 21, the lower light intensifying sheet 22 and the upper light intensifying sheet 23, so that the light guide plate 10 and the optical film 20 are integrally attached to each other more smoothly, and the backlight structure is integrally lighter and thinner.
Furthermore, the first step 31, the second step 32 and the third step 33 are all provided with mutually independent glue grooves 14, and the diffusion film 21, the lower light adding sheet 22 and the upper light adding sheet 23 are sequentially pasted and fixed by arranging glue coating 30 in the glue grooves 14, so that the optical film 20 and the light guide plate 10 are uniformly and firmly pasted and are not easy to separate, and meanwhile, each layer of optical film is independently pasted and fixed without mutual interference, and the display effect of backlight in the subsequent use process is ensured.
The utility model discloses a structure is shaded, use the rubber coating structure to paste fixed light guide plate and blooming, and set up the mat face in the rubber coating district, glue the groove, replace traditional double faced adhesive tape structure, can directly use automatic rubber coating to carry out the rubber coating operation, need not the manual work, need not the fashioned double faced adhesive tape of pre-production, certainly also need not the two-sided required mould that glues of development production, efficiency is pasted in improvement that can be great, increase the product yield, the rubber coating structure still adapts to the light guide plate blooming of different specifications and pastes the structure, the manufacturing cost of product has effectively been practiced thrift, the rubber coating does not have the thickness restriction for the double faced adhesive tape structure simultaneously, adapt to narrow frame more, the structural design is shaded of no frame.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. The utility model provides a backlight structure, is including light guide plate and set up the blooming on the light guide plate, the light guide plate includes play plain noodles and income plain noodles, its characterized in that: the edge of the light-emitting surface is provided with a gluing area, the optical film is fixed on the light-emitting surface of the light guide plate by arranging gluing on the gluing area, the surface of the gluing area is a rough surface, the gluing area is also provided with a glue groove, and the gluing is arranged in the glue groove.
2. The backlight structure according to claim 1, wherein: the glue coating area adopts one or more glue coating modes of full coating, point coating and curve coating to set glue coating.
3. A backlight structure according to claim 2, characterized in that: the glue groove is matched with one or more glue coating modes of full coating, point coating and curve coating to be set to be a corresponding rectangular glue groove, a corresponding circular glue groove or a corresponding curve glue groove.
4. The backlight structure according to claim 1, wherein: the optical film comprises a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film which are sequentially stacked from bottom to top.
5. The backlight structure according to claim 4, wherein: at least three stages of steps are arranged on one side of the light guide plate, which is provided with the glue coating area, and are matched with the diffusion film, the lower light intensifying sheet and the upper light intensifying sheet.
6. The backlight structure according to claim 5, wherein: the height of the ladder sequentially corresponds to the thickness of the diffusion film, the lower brightness enhancement film and the upper brightness enhancement film from bottom to top.
7. The backlight structure according to claim 5, wherein: each step is provided with mutually independent glue grooves.
8. The backlight structure according to claim 5, wherein: the ladder is used for arranging glue to sequentially stick and fix the diffusion film, the lower brightness enhancement film and the upper brightness enhancement film from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401205.1U CN210954398U (en) | 2019-12-27 | 2019-12-27 | Backlight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401205.1U CN210954398U (en) | 2019-12-27 | 2019-12-27 | Backlight structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210954398U true CN210954398U (en) | 2020-07-07 |
Family
ID=71383140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922401205.1U Active CN210954398U (en) | 2019-12-27 | 2019-12-27 | Backlight structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210954398U (en) |
-
2019
- 2019-12-27 CN CN201922401205.1U patent/CN210954398U/en active Active
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