CN219936248U - Improve novel iron frame structure that glues of extrusion white spot - Google Patents
Improve novel iron frame structure that glues of extrusion white spot Download PDFInfo
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- CN219936248U CN219936248U CN202321405064.0U CN202321405064U CN219936248U CN 219936248 U CN219936248 U CN 219936248U CN 202321405064 U CN202321405064 U CN 202321405064U CN 219936248 U CN219936248 U CN 219936248U
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- rubber
- iron frame
- frame body
- stamping
- fpc board
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 60
- 238000001125 extrusion Methods 0.000 title claims description 5
- 239000003292 glue Substances 0.000 title description 13
- 239000012790 adhesive layer Substances 0.000 claims abstract description 21
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 17
- 241000519995 Stachys sylvatica Species 0.000 claims abstract description 15
- 239000012788 optical film Substances 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 239000010408 film Substances 0.000 claims description 51
- 238000009792 diffusion process Methods 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model discloses a novel rubber iron frame structure for improving extruded white spots, and relates to the field of electronic product backlight structures, wherein a shading adhesive layer is arranged on one side of a rubber iron frame body, an optical film component and an optical component are arranged on one side of the shading adhesive layer, a liquid crystal display screen is glued on the other side of the shading adhesive layer, an FPC (flexible printed circuit) board is arranged between the shading adhesive layer and the liquid crystal display screen, and one end of the FPC board is glued with the bottom of the liquid crystal display screen; according to the utility model, the stamping locating line of the iron frame is stamped from the inner surface of the iron frame through the die, so that the protruding structure is positioned on the back surface of the rubber iron frame, and when the FPC board is reversely folded to the back surface of the rubber iron frame, the stamping locating line is positioned at the edge of the FPC board and is level to the FPC board in height. Thereby enabling the improvement of the backlight quality.
Description
Technical Field
The utility model relates to the technical field of backlight structures of electronic products, in particular to a novel rubber-iron frame structure for improving extruded white spots.
Background
At present, a plastic outer frame or an integrated plastic and iron frame is generally adopted as an outer frame of a mobile phone backlight source, a shading film is stuck on the outer frame, one face is used for sticking and fixing an optical film material, a liquid crystal display screen is stuck on the other face, a touch screen or a glass cover plate is stuck on the display screen, the touch screen or the glass cover plate is stuck on a mobile phone shell, the backlight plate is arranged in the mobile phone shell, a display screen is arranged on the shading film, an FPC (flexible printed circuit) flat cable is reversely folded and stuck on the back of the rubber, and a laser carving alignment line is designed on the back of the rubber frame and used for assisting alignment positioning after the FPC flat cable is reversely folded.
In chinese patent CN211044869U, an iron frame edge covering mechanism, a rubber iron and a backlight module are disclosed, the iron frame edge covering mechanism is arranged at the periphery and the bottom end face of the rubber frame, the rubber frame is provided with a retaining wall, and the retaining wall comprises an iron frame substrate and an iron frame side plate; the iron frame side plate and the iron frame base plate are integrally formed, and vertically extend from the periphery of one end face of the iron frame base plate; the retaining wall of the iron frame side plate corresponding to the rubber frame is extended with a retaining wall iron frame, and the height of the retaining wall iron frame is 0.2-0.3cm lower than that of the retaining wall of the rubber frame. The retaining wall iron frame is formed by extending the retaining wall of the rubber frame, so that the protection of the retaining wall of the rubber frame is realized, the situation that when mobile terminals such as mobile phones are accidentally bumped or dropped due to insufficient retaining wall strength of the rubber frame, the retaining wall of the rubber frame is deformed, the light leakage of a backlight module at the retaining wall of the rubber frame is avoided, and the broken screen accident is also effectively prevented; and the height of the retaining wall iron frame is set to be lower than that of the retaining wall iron frame, so that the problem of burrs of the retaining wall of the rubber frame is avoided.
The device is mainly through improving the effect of being shaded to improve the cell-phone quality, but when the inside FPC of the glued iron frame of this structure is reverse to roll over, need to be through the inside punching press counterpoint line of glued iron frame outside assisting FPC counterpoint, but after this mode forms the surface protrusion to the chase in, if surface bellied border is uneven, can cause FPC winding displacement unevenness, when mechanical experiment, causes FPC to extrude the white spot easily.
Disclosure of Invention
The utility model aims to provide a novel rubber iron frame structure for improving extruded white spots, which solves the problems that in the prior art, when a rubber iron frame is stamped from outside to inside, raised edges are easy to be uneven, and white spots are extruded out of an FPC.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a improve novel glued iron frame structure of extrusion white spot, includes glued iron frame body, one side of glued iron frame body is provided with the shading glue film, one side of shading glue film is provided with optical film material subassembly and optical subassembly, the opposite side of shading glue film glues there is the liquid crystal display, be provided with the FPC board between shading glue film and the liquid crystal display, the one end of FPC board glues with the bottom of liquid crystal display, the other end of FPC board glues with the opposite side of glued iron frame body after folding, the opposite side of glued iron frame body is provided with the punching press pilot line of FPC board;
the stamping positioning line comprises a stamping groove and a stamping protrusion, wherein the stamping protrusion is located on one side of the rubber frame body away from the shading adhesive layer, and the stamping groove is located on one side close to the shading adhesive layer.
Preferably, the stamping locating lines are arranged in a plurality, the FPC board is in a T-shaped arrangement, and the stamping locating lines are respectively located at two ends of the transverse board and one end of the vertical board of the FPC board.
Preferably, the optical film material component comprises an upper brightness enhancement film, a lower brightness enhancement film and a diffusion film, wherein the lower brightness enhancement film is positioned between the upper brightness enhancement film and the diffusion film, and the upper brightness enhancement film is adhered to one side of the shading adhesive layer, which is close to the rubber frame body.
Preferably, the optical assembly comprises an LED light bar and a light guide plate, the LED light bar is fixed on one side of the diffusion film, which is close to the rubber iron frame body, one side of the light guide plate is fixedly connected with the LED light bar, and a reflecting sheet is arranged on the other side of the light guide plate.
Preferably, the reflector plate, the light guide plate, the LED lamp strip, the diffusion film, the lower intensifying film, the upper intensifying film, the shading glue layer and the liquid crystal display screen are sequentially arranged in the rubber frame body, and openings are formed in the tops of the reflector plate, the light guide plate, the LED lamp strip, the diffusion film, the lower intensifying film, the upper intensifying film and the shading glue layer.
Preferably, the four corners of the rubber iron frame body are provided with supporting blocks, and the edge of the rubber iron frame body is provided with a plurality of glue injection round holes.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the stamping locating line of the iron frame is stamped from the inner surface of the iron frame through the die, so that the protruding structure is positioned on the back surface of the rubber iron frame, and when the FPC board is reversely folded to the back surface of the rubber iron frame, the stamping locating line is positioned at the edge of the FPC board and is level to the FPC board in height. Thereby enabling the improvement of the backlight quality.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a schematic view of the longitudinal structure of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
FIG. 4 is a plan view of the present utility model;
FIG. 5 is an enlarged view of the utility model at B in FIG. 2;
FIG. 6 is an enlarged view of the utility model at C in FIG. 4;
fig. 7 is a diagram showing a structure of a stamping line for a conventional rubber frame.
In the figure: 1. a rubber iron frame body; 2. a shading adhesive layer; 3. an optical film assembly; 4. an optical component; 5. a liquid crystal display; 6. an FPC board; 7. stamping a positioning line; 701. stamping a groove; 702. stamping the bulge; 301. a polishing film is arranged on the upper surface of the substrate; 302. a lower brightness enhancement film; 303. a diffusion film; 401. LED light bar; 402. a light guide plate; 403. a reflection sheet; 8. a notch; 101. a support block; 102. and (5) injecting glue into the round hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-7, the present utility model provides a technical solution: the novel rubber iron frame structure comprises a rubber iron frame body 1, wherein a shading adhesive layer 2 is arranged on one side of the rubber iron frame body 1, an optical film component 3 and an optical component 4 are arranged on one side of the shading adhesive layer 2, a liquid crystal display 5 is glued on the other side of the shading adhesive layer 2, an FPC board 6 is arranged between the shading adhesive layer 2 and the liquid crystal display 5, one end of the FPC board 6 is glued with the bottom of the liquid crystal display 5, the other end of the FPC board 6 is glued with the other side of the rubber iron frame body 1 after being folded, and a stamping positioning line 7 of the FPC board 6 is arranged on the other side of the rubber iron frame body 1;
through setting up punching press pilot line 7, make FPC board 6 reverse roll over the back, punching press pilot line 7 can play the effect to FPC board 6 assistance-localization real-time, paste FPC board 6 at the back of glued iron frame body 1 again.
The stamping positioning line 7 comprises a stamping groove 701 and a stamping protrusion 702, wherein the stamping protrusion 702 is positioned on one side of the rubber frame body 1 away from the shading adhesive layer 2, and the stamping groove 701 is positioned on one side close to the shading adhesive layer 2.
During punching, the inside of the rubber frame body 1 is punched outwards, so that the punching protrusion 702 is located at the outside, namely the back, of the rubber frame body 1, and when the rubber frame body 1 is pressed by a mechanical experiment, the edge of the FPC board 6 is not pressed.
The stamping locating lines 7 are arranged in a plurality, the FPC board 6 is arranged in a T shape, and the stamping locating lines 7 are respectively arranged at two ends of the transverse board and one end of the vertical board of the FPC board 6.
As shown in fig. 4, the punching positioning line 7 is located at the outer edge of the FPC board 6.
The optical film assembly 3 comprises an upper brightness enhancement film 301, a lower brightness enhancement film 302 and a diffusion film 303, wherein the lower brightness enhancement film 302 is positioned between the upper brightness enhancement film 301 and the diffusion film 303, and the upper brightness enhancement film 301 is adhered to one side of the shading adhesive layer 2 close to the rubber frame body 1.
The optical assembly 4 comprises an LED light bar 401 and a light guide plate 402, the LED light bar 401 is fixed on one side of the diffusion film 303, which is close to the rubber frame body 1, one side of the light guide plate 402 is fixedly connected with the LED light bar 401, and a reflecting sheet 403 is arranged on the other side of the light guide plate 402.
The reflector plate 403, the light guide plate 402, the LED light bar 401, the diffusion film 303, the lower intensifying film 302, the upper intensifying film 301, the shading adhesive layer 2 and the liquid crystal display 5 are sequentially arranged in the rubber frame body 1, and openings 8 are formed in the tops of the reflector plate 403, the light guide plate 402, the LED light bar 401, the diffusion film 303, the lower intensifying film 302, the upper intensifying film 301 and the shading adhesive layer 2.
The four corners of the rubber-iron frame body 1 are provided with supporting blocks 101, and the edge of the rubber-iron frame body 1 is provided with a plurality of rubber injection round holes 102; the deformation degree of the four corners of the rubber iron frame body 1 can be reduced by arranging the supporting blocks 101.
As shown in fig. 7, the positioning wire structure inside the conventional rubber frame is formed by stamping the positioning wire from the outside of the rubber frame inwards, so that the edge of the folded FPC board 6 is located in the stamping recess, and when the pressure is applied, the edge of the FPC board 6 is easy to squeeze at the recess edge, resulting in white spots.
During the use, glued iron frame body 1 is outwards protruding by inside design radium carving, makes punching press location line 7, is located punching press location line 7 after FPC board 6 is folded in reverse, makes FPC board 6 winding displacement edge level, can not cause the surface to sink into in punching press groove 701 when exerting pressure and causes the extrusion white spot problem to improve backlight quality.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an improve novel gluey chase structure of extrusion white spot which characterized in that: the novel light-shielding plastic frame comprises a plastic frame body (1), wherein a light-shielding plastic layer (2) is arranged on one side of the plastic frame body (1), an optical film component (3) and an optical component (4) are arranged on one side of the light-shielding plastic layer (2), a liquid crystal display screen (5) is glued on the other side of the light-shielding plastic layer (2), an FPC board (6) is arranged between the light-shielding plastic layer (2) and the liquid crystal display screen (5), one end of the FPC board (6) is glued with the bottom of the liquid crystal display screen (5), the other end of the FPC board (6) is glued with the other side of the plastic frame body (1) after being folded, and a stamping positioning line (7) of the FPC board (6) is arranged on the other side of the plastic frame body (1);
the stamping positioning line (7) comprises a stamping groove (701) and a stamping protrusion (702), wherein the stamping protrusion (702) is located on one side, far away from the shading adhesive layer (2), of the rubber iron frame body (1), and the stamping groove (701) is located on one side, close to the shading adhesive layer (2).
2. The novel rubber-iron frame structure for improving extruded white spots according to claim 1, which is characterized in that: the stamping locating lines (7) are arranged in a plurality, the FPC board (6) is in a T-shaped arrangement, and the stamping locating lines (7) are respectively arranged at two ends of the transverse board and one end of the vertical board of the FPC board (6).
3. The novel rubber-iron frame structure for improving extruded white spots according to claim 2, which is characterized in that: the optical film assembly (3) comprises an upper brightness enhancement film (301), a lower brightness enhancement film (302) and a diffusion film (303), wherein the lower brightness enhancement film (302) is positioned between the upper brightness enhancement film (301) and the diffusion film (303), and the upper brightness enhancement film (301) is adhered to one side, close to the rubber frame body (1), of the shading rubber layer (2).
4. A novel frame structure for improving extruded white spots according to claim 3, wherein: the optical assembly (4) comprises an LED light bar (401) and a light guide plate (402), the LED light bar (401) is fixed on one side, close to the rubber iron frame body (1), of the diffusion film (303), one side of the light guide plate (402) is fixedly connected with the LED light bar (401), and a reflecting sheet (403) is arranged on the other side of the light guide plate (402).
5. The novel rubber-iron frame structure for improving extruded white spots according to claim 4, wherein: the LED light source is characterized in that the reflector plate (403), the light guide plate (402), the LED light bar (401), the diffusion film (303), the lower brightness enhancement film (302), the upper brightness enhancement film (301), the shading adhesive layer (2) and the liquid crystal display screen (5) are sequentially arranged in the rubber iron frame body (1), and openings (8) are formed in the tops of the reflector plate (403), the light guide plate (402), the LED light bar (401), the diffusion film (303), the lower brightness enhancement film (302), the upper brightness enhancement film (301) and the shading adhesive layer (2).
6. The novel rubber-iron frame structure for improving extruded white spots according to claim 5, wherein: four corners of the rubber iron frame body (1) are provided with supporting blocks (101), and the edge of the rubber iron frame body (1) is provided with a plurality of rubber injection round holes (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405064.0U CN219936248U (en) | 2023-06-05 | 2023-06-05 | Improve novel iron frame structure that glues of extrusion white spot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405064.0U CN219936248U (en) | 2023-06-05 | 2023-06-05 | Improve novel iron frame structure that glues of extrusion white spot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936248U true CN219936248U (en) | 2023-10-31 |
Family
ID=88492551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321405064.0U Active CN219936248U (en) | 2023-06-05 | 2023-06-05 | Improve novel iron frame structure that glues of extrusion white spot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936248U (en) |
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2023
- 2023-06-05 CN CN202321405064.0U patent/CN219936248U/en active Active
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