CN213339451U - Vehicle-mounted backlight module for preventing cutting damage of flexible circuit board and vehicle-mounted display device - Google Patents
Vehicle-mounted backlight module for preventing cutting damage of flexible circuit board and vehicle-mounted display device Download PDFInfo
- Publication number
- CN213339451U CN213339451U CN202022802182.8U CN202022802182U CN213339451U CN 213339451 U CN213339451 U CN 213339451U CN 202022802182 U CN202022802182 U CN 202022802182U CN 213339451 U CN213339451 U CN 213339451U
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- Prior art keywords
- circuit board
- flexible circuit
- bottom plate
- vehicle
- backlight module
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 238000005452 bending Methods 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 9
- 239000012788 optical film Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 15
- 230000004888 barrier function Effects 0.000 description 4
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model provides a prevent cutting and decrease on-vehicle backlight unit of flexible circuit board, including the chase, the flexible circuit board, lamp strip and sticky tape, the chase includes the bottom plate and connects the side frame on the bottom plate, form the holding chamber between bottom plate and the side frame, be equipped with the wire hole on the bottom plate, the one end fixed connection of flexible circuit board is on the side frame, the other end of flexible circuit board passes the wire hole and sets up outside the holding chamber, the lamp strip sets up in the holding chamber, and electric connection is on the flexible circuit board, the one end of sticky tape is connected in the internal surface of bottom plate, the other end of sticky tape passes the wire hole. The utility model discloses a prevent to cut on-vehicle backlight unit who decreases flexible circuit board can prevent that flexible circuit board from being cut and decrease, avoids on-vehicle display screen to appear black screen or scintillation. The utility model discloses still relate to an on-vehicle display device.
Description
Technical Field
The utility model relates to a display screen field, in particular to prevent to cut on-vehicle backlight unit and on-vehicle display device who decreases flexible circuit board.
Background
In recent years, "many screen development" of automobile display screen brings new opportunity for panel manufacturer's development, consequently, panel manufacturer seizes this market of automobile display panel in succession, the flexible circuit board in traditional on-vehicle backlight unit is direct contact with chase wire outlet department, there is not any safeguard measure, this will lead to flexible circuit board and chase wire outlet position to cause inner line fracture or half rupture phenomenon because of contact atress cuts flexible circuit board, cause on-vehicle display screen to appear black screen or scintillation, influence navigating mate's driving safety.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a prevent to cut on-vehicle backlight unit who decreases flexible circuit board can prevent that flexible circuit board from being cut and decrease, avoids on-vehicle display screen black screen or scintillation to appear.
The utility model provides a prevent cutting and decrease on-vehicle backlight unit of flexible circuit board, including the chase, the flexible circuit board, lamp strip and sticky tape, the chase includes the bottom plate and connects the side frame on the bottom plate, form the holding chamber between bottom plate and the side frame, be equipped with the wire hole on the bottom plate, the one end fixed connection of flexible circuit board is on the side frame, the other end of flexible circuit board passes the wire hole and sets up outside the holding chamber, the lamp strip sets up in the holding chamber, and electric connection is on the flexible circuit board, the one end of sticky tape is connected in the internal surface of bottom plate, the other end of sticky tape passes the wire hole.
The utility model discloses in, above-mentioned sticky tape includes first portion of pasting, second portion of pasting and cladding, and first portion of pasting is connected in the internal surface of bottom plate, and the second portion of pasting is connected in the surface of bottom plate, and the cladding sets up in the pore wall of wire hole, and the cladding is connected between first portion of pasting and second portion of pasting.
In the present invention, the first pasting portion is disposed along the length direction of the iron frame.
The utility model discloses in, above-mentioned wire hole sets up in bottom plate and side frame junction.
The utility model discloses in, above-mentioned flexible circuit board includes first bending segment and second bending segment, and first bending segment and second bending segment mutually perpendicular, the side of first bending segment is fixed in the side frame, and the second bending segment sets up in the surface of bottom plate.
The utility model discloses in, the length of above-mentioned first portion of pasting is 210mm ~ 220mm, and the width of first portion of pasting is 3.5mm ~ 4.5mm, and the thickness of first portion of pasting is 0.02mm ~ 0.04 mm.
The utility model discloses in, the length of above-mentioned second portion of pasting is 9mm ~ 10mm, and the width of second portion of pasting is 3mm ~ 4mm, and the thickness of second portion of pasting is 0.02mm ~ 0.04 mm.
The utility model discloses in, above-mentioned prevent cutting the on-vehicle backlight unit who decreases flexible circuit board still includes reflectance coating, light guide plate and optics diaphragm, and the reflectance coating setting is on the bottom plate, and the light guide plate setting is on the reflectance coating, and optics diaphragm sets up on the light guide plate.
The utility model discloses in, above-mentioned prevent cutting and decrease on-vehicle backlight unit of flexible circuit board still includes the center, and the center sets up round the circumference of chase, realizes being connected through fixture block and card hole cooperation between center and the side frame.
The utility model discloses still relate to an on-vehicle display device, including the above-mentioned on-vehicle backlight unit who prevents to cut and decreases flexible circuit board.
The utility model discloses a prevent to cut on-vehicle backlight unit who decreases flexible circuit board adds the sticky tape on the bottom plate, with sticky tape parcel wire hole, can prevent that flexible circuit board from being cut and decrease, avoid on-vehicle display screen black screen or scintillation to appear.
Drawings
Fig. 1 is a schematic top view of the iron frame of the present invention.
Fig. 2 is a schematic bottom view of the iron frame of the present invention.
Fig. 3 is a schematic view of the sectional structure of the bezel, the flexible circuit board and the light bar of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.
FIG. 1 is a schematic top view of the iron frame of the present invention, FIG. 2 is a schematic bottom view of the iron frame of the present invention, fig. 3 is a schematic sectional view of an iron frame, a flexible printed circuit board and a light bar of the present invention, as shown in fig. 1, fig. 2 and fig. 3, a vehicular backlight module for preventing cutting damage of the flexible printed circuit board comprises an iron frame 11, a flexible printed circuit board (FPC)12, a light bar 13 and an adhesive tape 14, wherein the iron frame 11 comprises a bottom plate 111 and side frames connected to the bottom plate 111, a receiving cavity 102 is formed between the bottom plate 111 and the side frames, a wire hole 101 is formed on the bottom plate 111, one end of the flexible printed circuit board 12 is fixedly connected to the side frames, the other end of the flexible printed circuit board 12 passes through the wire hole 101 and is disposed outside the receiving cavity 102, the light, and electrically connected to the flexible circuit board 12, one end of the adhesive tape 14 is connected to the inner surface of the bottom plate 111, and the other end of the adhesive tape 14 passes through the wire outlet 101 and is connected to the outer surface of the bottom plate 111. In the present embodiment, the adhesive tape 14 has an insulating function, and the adhesive tape 14 is, for example, a white single-sided adhesive, temple or 631S # 12, but not limited thereto.
The utility model discloses a prevent to cut on-vehicle backlight unit who decreases flexible circuit board adds sticky tape 14 on bottom plate 111, wraps up sticky tape 14 at the edge of wire hole 101, can prevent that flexible circuit board 12 from being cut and decreases, avoids on-vehicle display screen black screen or scintillation to appear.
Further, the side frame includes a first side plate 112, a second side plate 113, a third side plate 114 and a fourth side plate 115, the first side plate 112 and the third side plate 114 are parallel and opposite to each other, the second side plate 113 and the fourth side plate 115 are parallel and opposite to each other, the first side plate 112 and the third side plate 114 are vertically connected to the second side plate 113 and the fourth side plate 115, the first side plate 112, the second side plate 113, the third side plate 114 and the fourth side plate 115 are all vertically connected to the bottom plate 111, the light bar 13 is arranged on the inner side wall of the first side plate 112, and the light bar 13 is fixedly connected to the inner side wall of the first side plate 112 by using a double-faced adhesive tape 15.
Further, the adhesive tape 14 includes a first adhering portion 141, a second adhering portion 142 and a covering portion 143, the first adhering portion 141 is connected to the inner surface of the bottom plate 111, the second adhering portion 142 is connected to the outer surface of the bottom plate 111, the covering portion 143 is disposed on the wall of the wire outlet 101, and the covering portion 143 is connected between the first adhering portion 141 and the second adhering portion 142. In this embodiment, the first attaching portion 141 and the second attaching portion 142 are disposed in parallel, and the covering portion 143 is perpendicularly connected to the first attaching portion 141 and the second attaching portion 142.
Further, the first attaching portion 141 is provided along the longitudinal direction of the bezel 11. In this embodiment, the first pasting part 141 is pasted on one side of the bottom plate 111 close to the first side plate 112, the first pasting part 141 is parallel to and opposite to the light bar 13, when the solder dross drops from the light bar 13, the solder dross drops on the single-sided adhesive, and the solder dross is prevented from directly contacting the bottom plate 111, so that the short circuit phenomenon of the flexible circuit board 12 directly contacting the iron frame 11 is avoided.
Further, the wire outlet 101 is disposed at a connection position of the bottom plate 111 and the side frame.
Further, the flexible circuit board 12 includes a first bending section 121 and a second bending section 122, the first bending section 121 and the second bending section 122 are perpendicular to each other, a side surface of the first bending section 121 is fixed to the side frame, and the second bending section 122 is disposed on an outer surface of the bottom plate 111. In the embodiment, the connection position of the first bending section 121 and the second bending section 122 is located at the wire outlet 101, and the single-sided adhesive can prevent the flexible circuit board 12 at the wire outlet 101 from being cut or broken.
Further, the length of the first attaching portion 141 is 210mm to 220mm, the width of the first attaching portion 141 is 3.5mm to 4.5mm, and the thickness of the first attaching portion 141 is 0.02mm to 0.04 mm. In the present embodiment, the length of the first pasting part 141 is 216.7mm, 216.85mm or 217mm, the width of the first pasting part 141 is 3.9mm, 4.0mm or 4.1mm, and the thickness of the first pasting part 141 is 0.02mm, 0.03mm or 0.04mm, but not limited thereto.
Further, the length of the second adhesion portion 142 is 9mm to 10mm, the width of the second adhesion portion 142 is 3mm to 4mm, and the thickness of the second adhesion portion 142 is 0.02mm to 0.04 mm. In the embodiment, the length of the second pasting part 142 is, for example, 9.2mm, 9.5mm, or 9.8mm, the width of the second pasting part 142 is, for example, 3.2mm, 3.5mm, or 3.8mm, and the thickness of the second pasting part 142 is, for example, 0.02mm, 0.03mm, or 0.04mm, but not limited thereto.
Further, the on-vehicle backlight module for preventing cutting damage to the flexible circuit board 12 further includes a reflective film, a light guide plate, and an optical film, the reflective film is disposed on the bottom plate 111, the light guide plate is disposed on the reflective film, and the optical film is disposed on the light guide plate. In this embodiment, reflectance coating, light guide plate and optics diaphragm all set up in holding chamber 102, and the optics diaphragm includes diffusion barrier, membrane of adding lustre to and brightness enhancement film, and the diffusion barrier setting is on the light guide plate, and the membrane of adding lustre to sets up on the diffusion barrier, and the brightness enhancement film setting is on the membrane of adding lustre to, and the membrane of adding lustre to locates between diffusion barrier and the brightness enhancement film.
Further, the vehicle-mounted backlight module for preventing the flexible circuit board 12 from being cut and damaged further comprises a middle frame, the middle frame is arranged around the periphery of the iron frame 11, and the middle frame and the side frames are connected through the matching of the clamping blocks 116 and the clamping holes (not shown). In this embodiment, the outer sidewalls of the first side plate 112, the second side plate 113, the third side plate 114 and the fourth side plate 115 are respectively provided with a locking block 116, the middle frame and the locking block 116 are respectively provided with a locking hole at a corresponding position, and the locking block 116 and the locking holes are matched to fixedly connect the middle frame and the outer sidewall of the side frame.
The utility model discloses still relate to an on-vehicle display device, including foretell prevent cutting the on-vehicle backlight unit who decreases flexible circuit board 12. In the present embodiment, the on-vehicle display device is, for example, an on-vehicle instrument, an on-vehicle center control display, an on-vehicle drive recorder, an on-vehicle DVD navigation, an on-vehicle console integrated display screen, an on-vehicle streaming rear view mirror, an automobile seat headrest display, or the like, but is not limited thereto.
The utility model discloses not be limited to the specific details among the above-mentioned embodiment the utility model discloses a within the technical idea scope, can be right the technical scheme of the utility model carry out multiple simple variant, these simple variants all belong to the utility model discloses a protection scope. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (10)
1. A vehicle-mounted backlight module for preventing flexible circuit boards from being cut and damaged is characterized by comprising an iron frame (11), a flexible circuit board (12), a light bar (13) and an adhesive tape (14), the iron frame (11) comprises a bottom plate (111) and a side frame connected to the bottom plate (111), an accommodating cavity (102) is formed between the bottom plate (111) and the side frame, a wire outlet hole (101) is arranged on the bottom plate (111), one end of the flexible circuit board (12) is fixedly connected to the side frame, the other end of the flexible circuit board (12) penetrates through the wire outlet hole (101) to be arranged outside the accommodating cavity (102), the light bar (13) is arranged in the accommodating cavity (102), and is electrically connected to the flexible circuit board (12), one end of the adhesive tape (14) is connected to the inner surface of the bottom plate (111), the other end of the adhesive tape (14) penetrates through the wire outlet hole (101) to be connected with the outer surface of the bottom plate (111).
2. The vehicular backlight module for preventing the flexible circuit board from being cut and damaged according to claim 1, wherein the adhesive tape (14) comprises a first adhering portion (141), a second adhering portion (142) and a covering portion (143), the first adhering portion (141) is connected to the inner surface of the bottom plate (111), the second adhering portion (142) is connected to the outer surface of the bottom plate (111), the covering portion (143) is disposed on the hole wall of the outlet hole (101), and the covering portion (143) is connected between the first adhering portion (141) and the second adhering portion (142).
3. The on-vehicle backlight module for preventing cutting damage of the flexible circuit board according to claim 2, wherein the first attaching portion (141) is provided along a length direction of the bezel (11).
4. The vehicular backlight module for preventing flexible circuit board from being cut and damaged as claimed in claim 2, wherein said wire outlet (101) is disposed at a connection position of said bottom plate (111) and said side frame.
5. The vehicular backlight module for preventing the flexible circuit board from being cut and damaged as claimed in claim 4, wherein the flexible circuit board (12) comprises a first bending section (121) and a second bending section (122), the first bending section (121) and the second bending section (122) are perpendicular to each other, a side surface of the first bending section (121) is fixed to the side frame, and the second bending section (122) is disposed on an outer surface of the bottom plate (111).
6. The on-vehicle backlight module for preventing cutting damage of the flexible circuit board according to claim 2, wherein the length of the first pasting part (141) is 210mm to 220mm, the width of the first pasting part (141) is 3.5mm to 4.5mm, and the thickness of the first pasting part (141) is 0.02mm to 0.04 mm.
7. The on-vehicle backlight module for preventing the flexible circuit board from being cut and damaged as claimed in claim 2, wherein the length of the second pasting part (142) is 9mm to 10mm, the width of the second pasting part (142) is 3mm to 4mm, and the thickness of the second pasting part (142) is 0.02mm to 0.04 mm.
8. The cut damage prevention vehicle backlight module of any one of claims 1 to 7, further comprising a reflective film, a light guide plate and an optical film, wherein the reflective film is disposed on the bottom plate (111), the light guide plate is disposed on the reflective film, and the optical film is disposed on the light guide plate.
9. The vehicular backlight module for preventing the flexible circuit board from being cut and damaged as claimed in claim 8, wherein the vehicular backlight module for preventing the flexible circuit board from being cut and damaged further comprises a middle frame, the middle frame is disposed around the circumference of the iron frame (11), and the middle frame and the side frames are connected by means of the engagement of the engaging blocks (116) and the engaging holes.
10. An in-vehicle display device, comprising the in-vehicle backlight module of any one of claims 1 to 9 for preventing the flexible circuit board from being cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802182.8U CN213339451U (en) | 2020-11-27 | 2020-11-27 | Vehicle-mounted backlight module for preventing cutting damage of flexible circuit board and vehicle-mounted display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802182.8U CN213339451U (en) | 2020-11-27 | 2020-11-27 | Vehicle-mounted backlight module for preventing cutting damage of flexible circuit board and vehicle-mounted display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213339451U true CN213339451U (en) | 2021-06-01 |
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ID=76078891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022802182.8U Active CN213339451U (en) | 2020-11-27 | 2020-11-27 | Vehicle-mounted backlight module for preventing cutting damage of flexible circuit board and vehicle-mounted display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213339451U (en) |
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2020
- 2020-11-27 CN CN202022802182.8U patent/CN213339451U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 floor 1, 2-4, and floor 1-3, No. 222-2, Buxin Road, Xinlan community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Handamei Electronics Co.,Ltd. Country or region after: China Address before: 518000 floor 1, 2-4, and floor 1-3, No. 222-2, Buxin Road, Xinlan community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HADBEST ELECTRONICS CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |