CN212083865U - Reflector plate, backlight module, display screen and step jig that can bordure - Google Patents
Reflector plate, backlight module, display screen and step jig that can bordure Download PDFInfo
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- CN212083865U CN212083865U CN202021139900.1U CN202021139900U CN212083865U CN 212083865 U CN212083865 U CN 212083865U CN 202021139900 U CN202021139900 U CN 202021139900U CN 212083865 U CN212083865 U CN 212083865U
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- frame
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- reflection body
- crystal panel
- folding
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Abstract
The utility model relates to a reflector plate, backlight unit, display screen and step tool that can bordure, it is including the reflection body that is used for reflecting light guide plate emergent light and set up in the folding portion that turns over at reflection body edge, the size of reflection body with glue frame looks adaptation, the folding portion is provided with the rubber coating layer that is used for bonding gluey frame and liquid crystal display panel at the homonymy that reflection body is used for reflecting the side of light guide plate emergent light. The utility model discloses have the effect that can accomplish the process of borduring fast.
Description
Technical Field
The utility model belongs to the technical field of backlight unit's technique and specifically relates to a reflector plate, backlight unit, display screen and step tool that can bordure are related to.
Background
The existing backlight module is generally formed by combining a light guide plate, a reflective sheet and a plurality of layers of film materials in a rubber frame. After the light guide plate, the diffusion sheet and the like are assembled in the rubber frame, a black double-sided adhesive tape is usually used for bonding the edges of the brightness enhancement sheet and the rubber frame, then a liquid crystal panel is placed on the upper portion of the frame, the edge wrapping adhesive is used for wrapping the edges of the backlight module and the edges of the liquid crystal panel, which are not provided with the Flexible Printed Circuit (FPC), and then the FPC is reversely folded and bonded on the bottom surface of the backlight module to complete installation.
Referring to fig. 1 and 2, the conventional edge-covering adhesive generally includes an upper covering film 51, an adhesive tape 52 and a lower covering film 53, wherein the lower covering film 53 is a long section of PET film, and the adhesive tape 52 is a narrow section of single-sided adhesive, which is disposed along the width direction of the lower covering film 53 and arranged along the length direction of the lower covering film 53. The adhesive surface of each adhesive tape 52 is attached to the lower covering film 53, and one side of each adhesive tape facing away from the adhesive surface is attached to one upper covering film 51. When in use, the upper film 51 and the lower film 53 need to be torn off to allow the adhesive tape 52 to be coated on the board 54 to be processed. For convenience of description, an attitude of the board 54 to be processed horizontally on the table 55 is taken as an example, wherein a side of the board 54 to be processed facing the table 55 is a bottom surface 541, a side facing away from the table 5 is a top surface 542, and an end surface connecting the top surface 542 and the bottom surface 541 is a surface 543 to be wrapped. When performing the coating operation, the following steps are required:
s1, with reference to FIG. 3, tearing off a group of connected adhesive tapes 52 and upper films 51 from the top of a lower film 53;
s2, referring to FIG. 4, a plate 54 to be processed is placed on a workbench 55, and one side, with the adhesive surface, of the adhesive tape 52 is attached to the edge of the top surface 541;
s3, referring to FIG. 4, turning over the plate to be processed 54 attached with the adhesive tape 52 on a workbench 55;
s4, referring to FIG. 5, turning over and attaching one side, exposed out of the top surface 541, of the adhesive tape 52 to the surface 543 to be wrapped and the bottom surface 541;
s5, referring to FIG. 6, pressing the plate 54 to be processed, and tearing the upper coating film 51 away from the part of the adhesive tape 52 opposite to the surface 543 to be wrapped and the bottom 541;
s6, referring to fig. 7 and 8, the upper coating film 51 is pressed and the plate to be processed 54 is lifted to tear the upper coating film 51 off the portion of the tape 52 opposite to the top surface 542.
It can be seen that the procedure is cumbersome and a device that is convenient to use is needed to simplify the procedure of wrapping to improve the efficiency of wrapping.
SUMMERY OF THE UTILITY MODEL
To the not enough that prior art exists, one of the purposes of the utility model is to provide a can accomplish the reflector plate of borduring of process of borduring fast.
The utility model discloses an above-mentioned one of the utility model purpose can realize through following technical scheme:
the utility model provides a reflector plate that can bordure, is including the reflection body that is used for reflection light guide plate emergent light and set up in the folding portion that turns over at reflection body edge, the size of reflection body with glue frame looks adaptation, folding portion is provided with the rubber coating layer that is used for bonding gluey frame and liquid crystal display panel at the homonymy that reflection body is used for the side of reflection light guide plate emergent light.
By adopting the technical scheme, when in use, the light guide plate, the diffusion sheet and the brightness enhancement sheet are firstly placed in the rubber frame, and then the black double-sided adhesive tape is used for connecting the rubber frame and the liquid crystal panel. The glue frame is aligned with the reflection body and abutted and overlapped, then the liquid crystal panel is compressed, and the folding part is folded upwards, so that the glue coating layer is bonded on the glue frame and the liquid crystal panel, and the glue frame and the liquid crystal panel are fixed. Compared with the prior art, the reflecting sheet is used for wrapping, only a plurality of turns of the reflecting sheet are needed, the backlight module and the film do not need to be turned over for many times, the processes are greatly reduced, and wrapping is conveniently and rapidly completed. Meanwhile, an upper coating film, a lower coating film and an adhesive tape are omitted, so that the material is saved, and the environment is protected.
The present invention may be further configured in a preferred embodiment as: the outer fringe of reflection body encircles and is provided with the top glue film that is used for the adhesion to glue the frame bottom, the width of top glue film and the width looks adaptation of the frame strip of gluey frame.
Through adopting above-mentioned technical scheme, when gluey frame aims at reflection body and butt coincidence, the top glue film can make reflection body and gluey frame fixed mutually, avoids gluing the frame and taking place to remove and influence the machining precision when turning over a turnover portion.
The present invention may be further configured in a preferred embodiment as: the reflection body is in a square sheet shape, the reflection body comprises a top surface and connecting surfaces, the top surface is used for being abutted to the light guide plate and the rubber frame, the connecting surfaces are respectively located on three sides of the top surface, and the folding portions are respectively connected to the connecting surfaces of the reflection body.
Through adopting above-mentioned technical scheme, reflection body is the square sheet form, so there are four sides, and wherein three is for connecting the face, is connected with a turnover portion respectively, and remaining one side is not connected with turnover portion, is connected with one side of FPC corresponding to backlight unit and liquid crystal display panel, need not bordure corresponding to one side of FPC, because need bond FPC in the bottom surface that reflection body deviates from at later stage.
The present invention may be further configured in a preferred embodiment as: the width of the turning part is larger than the sum of the thicknesses of the rubber frame and the liquid crystal panel.
By adopting the technical scheme, when the turning part is turned upwards and is abutted against the side faces of the rubber frame and the liquid crystal panel, one end of the turning part, which is far away from the reflection body, exceeds the liquid crystal panel, and at the moment, the end can be continuously turned and adhered to the edge of the top face of the liquid crystal panel.
The present invention may be further configured in a preferred embodiment as: a gap is arranged between the adjacent folding parts.
Through adopting above-mentioned technical scheme, the setting of breach can avoid adjacent folding portion to take place the space interference when turning over.
Another object of the present invention is to provide a backlight module capable of quickly completing the edge covering process.
A backlight module comprises a rubber frame, the reflector plate, a light guide plate, a lower brightness enhancement film and an upper brightness enhancement film, wherein the light guide plate, the lower brightness enhancement film and the upper brightness enhancement film are arranged in the rubber frame and are sequentially arranged in the direction departing from the reflector plate, and the rubber frame is bonded on a top rubber layer.
By adopting the technical scheme, the light guide plate, the lower brightness enhancement film and the upper brightness enhancement film are assembled in the rubber frame firstly, and then the bottom surface of the rubber frame is aligned and bonded to the top rubber layer of the reflector plate, so that the rubber frame and the reflector plate are fixed.
Another object of the present invention is to provide a display screen capable of quickly completing a taping process.
A display screen comprises the backlight module and a liquid crystal panel adhered to the top of the backlight module, wherein the adhesive coating layer is adhered to the side faces of the adhesive frame and the liquid crystal panel and the edge of the top of the liquid crystal panel.
By adopting the technical scheme, when in use, the light guide plate, the diffusion sheet and the brightness enhancement sheet are firstly placed in the rubber frame, and then the black double-sided adhesive tape is used for connecting the rubber frame and the liquid crystal panel. The glue frame is aligned with the reflection body and abutted and overlapped, then the liquid crystal panel is compressed, and the folding part is folded upwards, so that the glue coating layer is bonded on the glue frame and the liquid crystal panel, and the glue frame and the liquid crystal panel are fixed. Compared with the prior art, the reflecting sheet is used for wrapping, only a plurality of turns of the reflecting sheet are needed, the backlight module and the film do not need to be turned over for many times, the processes are greatly reduced, and wrapping is conveniently and rapidly completed. Meanwhile, an upper coating film, a lower coating film and an adhesive tape are omitted, so that the material is saved, and the environment is protected.
Another object of the utility model is to provide a can accomplish the step tool of borduring of the process of borduring fast.
The utility model provides a step tool for above-mentioned display screen, the step tool includes the plate body and sets up the folding groove that turns over that supplies the display screen embedding on the plate body, the width in folding groove equals the width of reflection body plus the thickness of twice folding portion, the length in folding groove equals the length of reflection body plus the thickness of folding portion.
Through adopting above-mentioned technical scheme, when using, with backlight unit and liquid crystal display panel's assembly body alignment turnover groove, because there is certain tension in the reflector plate this moment, the turnover portion supports at the top of the board body and makes backlight unit and liquid crystal display panel can't fall into the turnover groove, oppresses liquid crystal display panel hard this moment, and backlight unit will buckle the turnover portion and is absorbed in the turnover groove, and the side in turnover portion turnover groove is buckled and is supported tightly and bond in the side of backlight unit and liquid crystal display panel. Finally, the protruding part of the folded part relative to the liquid crystal panel is flattened by hands to be adhered to the surface edge of the liquid crystal panel, thereby completing the installation.
The present invention may be further configured in a preferred embodiment as: and the groove wall of the turnover groove is provided with a notch for fingers to extend into.
Through adopting above-mentioned technical scheme, because the lateral wall that turns over a portion and a groove of turning over is closely laminated, the setting of breach can make things convenient for people to scratch out display screen.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the backlight module does not need to be turned over and coated repeatedly, so that the working procedures are greatly reduced, and the edge covering is conveniently and quickly finished;
2. an upper covering film, a lower covering film and an adhesive tape are omitted, so that the material is saved, and the environment is protected.
Drawings
FIG. 1 is a schematic overall view of a binder, a board to be processed, and a work table in the background art;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an operation diagram of step S1 in the background art;
FIG. 4 is a schematic diagram illustrating the operations of steps S2 and S3 in the prior art;
fig. 5 is an operation diagram of step S4 in the background art;
fig. 6 is an operation diagram of step S5 in the background art;
fig. 7 is an operation diagram of step S6 in the background art;
fig. 8 is an operation diagram of step S6 in the background art;
FIG. 9 is a schematic view of a hempable reflector in a first embodiment;
fig. 10 is an exploded view of the backlight film assembly in the first embodiment and the second embodiment;
fig. 11 is an exploded view of a display panel and a step jig in the third and fourth embodiments;
fig. 12 is a schematic view of a combination of a display panel and a step jig in the third and fourth embodiments.
In the figure, the position of the upper end of the main shaft,
1. a reflective sheet; 11. a reflective body; 111. a top surface; 112. a connecting surface; 113. an abutting surface; 114. a glue jacking layer; 12. a folding part; 121. wrapping an adhesive layer;
2. a backlight module; 21. a rubber frame; 22. a light guide plate; 23. a diffusion sheet; 24. a lower brightness enhancement film; 25. an upper brightness enhancement film;
3. a liquid crystal panel;
4. a step jig; 41. a plate body; 42. turning and folding the groove; 43. a notch;
51. coating a film; 52. an adhesive tape; 53. coating a film; 54. a plate to be processed; 541. a bottom surface; 542. a top surface; 543. wrapping the noodles; 55. a work bench.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment:
referring to fig. 9 and 10, for the utility model discloses a reflector plate that can bordure, can be used for accomplishing the process of borduring fast, reflector plate 1 is including being used for reflecting light guide plate 22 outgoing light's reflection body 11 and setting up in the folding portion 12 that is used for connecting backlight unit 2 and liquid crystal display panel 3 at reflection body 11 edge.
Referring to fig. 9 and 10, the reflection body 11 is in a square sheet shape, and includes a top surface 111 for abutting against the light guide plate 22 and the rubber frame 21, connection surfaces 112 respectively located on three sides of the top surface 111, an abutting surface 113 for abutting against the FPC, and a bottom surface (not shown) for attaching the FPC. In the present embodiment, each face of the reflection body 11 is rectangular. The rubber frame 21 used for assembling the reflecting body 11 is a square frame, the size of the reflecting body 11 is matched with the rubber frame 21, and the outer edge of the reflecting body 11 corresponds to the outer edge of the bottom surface of the rubber frame 21. The outer edge of the reflection body 11 is surrounded by a top adhesive layer 114, the top adhesive layer 114 is used for adhering to the bottom of the adhesive frame 21, the width of the top adhesive layer 114 is less than or equal to the width of the frame strip of the adhesive frame 21, and in this embodiment, the width of the top adhesive layer 114 is equal to the width of the frame strip of the adhesive frame 21.
The folded portions 12 are respectively connected to the connecting surface 112 of the reflection body 11, in this embodiment, the folded portions 12 are in a strip shape, the length of the folded portions 12 is smaller than the length of the abutting surface 113 connected with the folded portions, the width of the folded portions is larger than the sum of the thicknesses of the rubber frame 21 and the liquid crystal panel 3, gaps 43 are formed between the adjacent folded portions 12, and the gaps 43 are used for preventing the folded portions 12 from interfering with each other when rotating. The folding part 12 is provided with an adhesive coating layer 121 for adhering the adhesive frame 21 and the liquid crystal panel 3 on the same side of the reflection body 11 for reflecting the light emitted from the light guide plate 22.
The implementation principle of the embodiment is as follows: the glue frame 21 is aligned with the reflection body 11 and abutted and overlapped, then the liquid crystal panel 3 is pressed tightly, and the folding part 12 is folded upwards, so that the adhesive coating layer 121 is bonded on the glue frame 21 and the liquid crystal panel 3, and the glue frame 21 and the liquid crystal panel 3 are fixed mutually. Compared with the prior art, the reflecting sheet 1 is used for wrapping, only a plurality of turns of the reflecting sheet are needed, the backlight module 2 and the film do not need to be turned over for many times, the working procedures are greatly reduced, and wrapping is conveniently and rapidly completed. Meanwhile, an upper coating film, a lower coating film and an adhesive tape are omitted, so that the material is saved, and the environment is protected.
The second embodiment:
referring to fig. 10, for the utility model discloses a backlight module, backlight module 2 is including gluing frame 21 and foretell reflector plate 1, still including setting up light guide plate 22, lower piece 24 and the last piece 25 that adds of gluing in gluing frame 21, light guide plate 22, lower piece 24 and last piece 25 that adds set gradually in deviating from reflector plate 1 direction, glue the top glue layer 114 of frame 21's bottom bonding on reflector body 11.
Third embodiment:
referring to fig. 11 and 12, for the present invention discloses a display screen, including the backlight module 2 and the liquid crystal panel 3 adhered to the top of the backlight module 2, the adhesive coating layer 121 is adhered to the side of the adhesive frame 21 and the liquid crystal panel 3 and the edge of the top of the liquid crystal panel 3.
Fourth embodiment:
referring to fig. 11 and 12, for the utility model discloses a step fixture, step fixture 4 includes plate body 41 and the folding groove 42 that turns over that sets up on plate body 41, and folding groove 42 is for supplying the square groove of display screen embedding, and its width equals the width of reflection body 11 plus the thickness of twice folding portion 12, and length equals the length of reflection body 11 plus the thickness of folding portion 12. A notch 43 for a finger to extend into is formed on one of the folding grooves 42, and in this embodiment, the cross-sectional shape of the notch 43 on the top surface 111 of the plate body 41 is a semicircle.
The implementation principle of the embodiment is as follows: when the backlight module is used, the assembly body of the backlight module 2 and the liquid crystal panel 3 is aligned to the folding groove 42, at the moment, because the reflector plate 1 has certain tension, the folding part 12 is supported at the top of the plate body 41, so that the backlight module 2 and the liquid crystal panel 3 cannot fall into the folding groove 42, the liquid crystal panel 3 is pressed forcibly, the backlight module 2 bends the folding part 12 and falls into the folding groove 42, and the side edge of the folding groove 42 of the folding part 12 is bent and is tightly adhered to the side surfaces of the backlight module 2 and the liquid crystal panel 3. Finally, the projecting portion of the folded portion 12 with respect to the liquid crystal panel 3 is flattened by hand to be adhered to the surface edge of the liquid crystal panel 3, thereby completing the mounting.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a reflector plate that can bordure, its characterized in that, including reflection body (11) that are used for reflection light guide plate (22) emergent ray and set up in folding portion (12) at reflection body (11) edge, the size of reflection body (11) with glue frame (21) looks adaptation, folding portion (12) are provided with bond adhesive tape (121) that are used for gluing frame (21) and liquid crystal display panel (3) at the homonymy that reflection body (11) are used for reflecting the side of light guide plate (22) emergent ray.
2. A borduring reflective sheet according to claim 1, wherein the outer edge of the reflective body (11) is provided with a top glue layer (114) for adhering to the bottom of the glue frame (21), and the width of the top glue layer (114) is adapted to the width of the frame strip of the glue frame (21).
3. A hempable reflective sheet according to claim 1 wherein the reflective body (11) is in the form of a square sheet, the reflective body (11) includes a top surface (111) for abutting the light guide plate (22) and the bezel (21) and connecting surfaces (112) on three sides of the top surface (111), respectively, and the folded portions (12) are connected to the connecting surfaces (112) of the reflective body (11), respectively.
4. A hempable reflective sheet according to claim 1 wherein the width of the flap (12) is greater than the sum of the thicknesses of the bezel (21) and the liquid crystal panel (3).
5. A hempable reflective sheet according to claim 1 wherein there are gaps (43) between adjacent folds (12).
6. The backlight module is characterized by comprising a rubber frame (21) and the edge-wrapable reflector plate (1) as claimed in any one of claims 1 to 5, and further comprising a light guide plate (22), a lower light intensifying sheet (24) and an upper light intensifying sheet (25) which are arranged in the rubber frame (21) and are sequentially arranged in the direction departing from the reflector plate (1), wherein the rubber frame (21) is adhered to a top rubber layer (114).
7. A display screen, comprising the backlight module (2) as claimed in claim 6, and further comprising a liquid crystal panel (3) adhered to the top of the backlight module (2), wherein the encapsulating layer (121) is adhered to the side surfaces of the adhesive frame (21) and the liquid crystal panel (3) and the edge of the top of the liquid crystal panel (3).
8. The step jig for the display screen according to claim 7, wherein the step jig (4) comprises a plate body (41) and a folding groove (42) provided on the plate body (41) for embedding the display screen, the width of the folding groove (42) is equal to the width of the reflection body (11) plus twice the thickness of the folding part (12), and the length of the folding groove (42) is equal to the length of the reflection body (11) plus the thickness of the folding part (12).
9. The step jig according to claim 8, wherein the groove wall of the folding groove (42) is provided with a notch (43) for fingers to extend into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021139900.1U CN212083865U (en) | 2020-06-17 | 2020-06-17 | Reflector plate, backlight module, display screen and step jig that can bordure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021139900.1U CN212083865U (en) | 2020-06-17 | 2020-06-17 | Reflector plate, backlight module, display screen and step jig that can bordure |
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| Publication Number | Publication Date |
|---|---|
| CN212083865U true CN212083865U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021139900.1U Active CN212083865U (en) | 2020-06-17 | 2020-06-17 | Reflector plate, backlight module, display screen and step jig that can bordure |
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| CN (1) | CN212083865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326176A (en) * | 2021-12-29 | 2022-04-12 | 芜湖长信新型显示器件有限公司 | Tool for sticking edge sealing adhesive tape of LCD display module |
-
2020
- 2020-06-17 CN CN202021139900.1U patent/CN212083865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326176A (en) * | 2021-12-29 | 2022-04-12 | 芜湖长信新型显示器件有限公司 | Tool for sticking edge sealing adhesive tape of LCD display module |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a reflective sheet capable of wrapping edges, a backlight module, a display screen and a step fixture Effective date of registration: 20220113 Granted publication date: 20201204 Pledgee: Industrial and Commercial Bank of China Limited Shenzhen Xinghe sub branch Pledgor: SHENZHEN TITANS TECHNOLOGY CO.,LTD. Registration number: Y2022980000510 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |