CN206300046U - Rigid Flex luminous lamp strip and backlight module - Google Patents
Rigid Flex luminous lamp strip and backlight module Download PDFInfo
- Publication number
- CN206300046U CN206300046U CN201621409202.2U CN201621409202U CN206300046U CN 206300046 U CN206300046 U CN 206300046U CN 201621409202 U CN201621409202 U CN 201621409202U CN 206300046 U CN206300046 U CN 206300046U
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- Prior art keywords
- fpc
- lamp strip
- hole
- luminous lamp
- rigid
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- 229910000679 solder Inorganic materials 0.000 claims description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a kind of Rigid Flex luminous lamp strip and backlight module, belong to backlight module and its parts technical field, for solve existing structure easily come off, processed complex the problems such as and design.The utility model Rigid Flex luminous lamp strip includes FPC, rigid wiring board and at least one LED, LED is arranged on rigid wiring board, through hole is offered on rigid wiring board, the head and main body of FPC are respectively positioned at the opposite sides of through hole；The head of FPC is stuck on the lateral surface of through hole.The utility model backlight module includes above-mentioned Rigid Flex luminous lamp strip.The utility model Rigid Flex luminous lamp strip and backlight module make the stressing conditions at bond pad locations improved, firmness increase, it is difficult for drop-off；Without being fixed by the termination bending of FPC or using adhesive tape, processing is simplified, efficiency is improve, is reduced cost.
Description
Technical field
The utility model is related to backlight module and its parts technical field, more particularly to a kind of Rigid Flex electroluminescent lamp
Bar and the backlight module including the Rigid Flex luminous lamp strip.
Background technology
The structure of existing Rigid Flex luminous lamp strip (Rigid Flex, Light bar) is as shown in figure 1, flexible wire
Road plate 30 (soft FPC) and the molten tin welding (Hot bar) of rigid wiring board 40 (rigid substrate) hot pressing together, realize connection.
Wherein, welding position is typically with the piece side of LED 3.
In view of it is easy to fall off when being pullled by external force at bond pad locations, cause LED 3 to power off, common reinforcement means is：As schemed
Shown in 1, the elbow 10 of FPC 30 is wrapped at the termination 41 of rigid wiring board 40；Or, as shown in Fig. 2 using adhesive tape 4
It is attached to bond pad locations or is attached to the outside of elbow 10 of FPC 30.
Its effect of which kind of reinforcement means is all extremely limited, is still easily taken off at the bond pad locations after the molten tin welding of hot pressing
Fall；The elbow 10 of FPC 30 is wrapped in rigid wiring board 40 or is pasted using adhesive tape 4 and both increases manufacturing procedure, is processed
Time-consuming, high cost.
Utility model content
A purpose of the present utility model is to propose that a kind of bond pad locations are difficult for drop-off, the simple soft or hard knot of processing method
Plywood luminous lamp strip.
Another purpose of the present utility model is to propose a kind of long service life, backlight module applied widely.
It is up to this purpose, on the one hand, the utility model uses following technical scheme：
A kind of Rigid Flex luminous lamp strip, including FPC, rigid wiring board and at least one LED, it is described
LED is arranged on the rigid wiring board, and through hole, the head of the FPC are offered on the rigid wiring board
With main body respectively positioned at the opposite sides of the through hole；The head of the FPC is stuck on the lateral surface of the through hole.
Particularly, the head and the main body of the FPC are in be mutually perpendicular to shape, the back side of the head
It is provided with both positive and negative polarity solder joint and copper scrap region solder joint；Be provided with the lateral surface of the through hole respectively with the both positive and negative polarity solder joint and
The solder joint that copper scrap region solder joint is adapted.
Further, the junction between the head and the main body of the FPC is welded positioned at the both positive and negative polarity
Between point and copper scrap region solder joint；Solder joint on the through hole lateral surface is distributed in the opposite sides of the through hole.
Particularly, the through hole is located at the end of the rigid wiring board.
Further, the through hole forms gap in the side of the rigid wiring board.
Particularly, the junction between the head and the main body of the FPC is provided with arc-shaped transition
Portion.
Particularly, width of the width of the through hole more than or equal to the main body of the FPC.
Particularly, the thickness in the head of the FPC is more than the thickness of the main body.
Particularly, the head of the FPC is attached to the side where the LED of the rigid wiring board
One side on.
On the other hand, the utility model uses following technical scheme：
A kind of backlight module, including above-mentioned Rigid Flex luminous lamp strip.
The utility model Rigid Flex luminous lamp strip offers the head of through hole, FPC on rigid wiring board
The head of the opposite sides and FPC that are located at through hole respectively with main body is stuck on the lateral surface of through hole, changes solder joint
Position, make the stressing conditions at bond pad locations be improved, firmness increase, it is difficult for drop-off；Need not be by the end of FPC
Head bending is fixed using adhesive tape, is simplified processing, is improve efficiency, reduces cost.
The utility model backlight module includes above-mentioned Rigid Flex luminous lamp strip, and the stressing conditions at bond pad locations are obtained
To improving, firmness increases, and difficult for drop-off, LED is difficult to be de-energized, backlight module long service life, applied widely, can answer
In using vibrations, rocking, shake more obvious working environment.
Brief description of the drawings
Fig. 1 is the schematic diagram of the first structure of existing Rigid Flex luminous lamp strip；
Fig. 2 is the schematic diagram of existing second structure of Rigid Flex luminous lamp strip；
Fig. 3 is the structural representation of the Rigid Flex luminous lamp strip that the utility model preferred embodiment one is provided；
Fig. 4 is the enlarged drawing at A in Fig. 3；
Fig. 5 is one of structural representation of FPC that the utility model preferred embodiment one is provided；
Fig. 6 is the two of the structural representation of the FPC that the utility model preferred embodiment one is provided；
Fig. 7 is the structural representation of the rigid wiring board that the utility model preferred embodiment one is provided.
In figure：
1st, FPC；2nd, rigid wiring board；3rd, LED；4th, adhesive tape；10th, elbow；11st, head；12nd, main body；13、
Curved transition sections；20th, termination；21st, through hole；30th, FPC；40th, rigid wiring board；41st, termination；111st, both positive and negative polarity weldering
Point；112nd, copper scrap region solder joint.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
Preferred embodiment one：
This preferred embodiment discloses a kind of Rigid Flex luminous lamp strip.As shown in Fig. 3 to Fig. 7, Rigid Flex hair
Light lamp bar includes FPC 1, the rigid LED 3 of wiring board 2 and at least one, and LED 3 is arranged on rigid wiring board 2.
Through hole 21 is offered on rigid wiring board 2, the head 11 and main body 12 of FPC 1 are respectively positioned at relative the two of through hole 21
Side；The head 11 of FPC 1 is stuck on the lateral surface of through hole 21.
The head 11 of FPC 1 is stuck in and positioning action is played on through hole 21, and the stressing conditions at bond pad locations are obtained
Improve, firmness increases, difficult for drop-off；Head 11 and main body 12 the separation this structure in the both sides of through hole 21 of FPC 1 change
Become bond pad locations, further improved the stressing conditions at bond pad locations, increased the molten tin welding of hot pressing at bond pad locations
Bonding strength；Without being fixed by the termination bending of FPC 1 or using adhesive tape, processing is simplified, efficiency is improve, is reduced
Cost.
The head 11 and main body 12 of FPC 1 are in being mutually perpendicular to shape or be substantially orthogonal to each other shape, the back side of head 11
It is provided with both positive and negative polarity solder joint 111 and copper scrap region solder joint 112；The solder joint of rigid wiring board 2 is located at its back side (by where LED 3
Face is defined as front), specifically, be provided with the lateral surface of through hole 21 respectively with both positive and negative polarity solder joint 111 and copper scrap region solder joint
112 solder joints being adapted.
Both positive and negative polarity solder joint 111 and copper scrap region solder joint 112 form the Strengthening Design of Rigid Flex luminous lamp strip, further
Increased the molten tin welding bonding strength of hot pressing at bond pad locations.
The particular location of both positive and negative polarity solder joint 111 and copper scrap region solder joint 112 is not limited, it is preferred that the head of FPC 1
Junction between 11 and main body 12 is located between both positive and negative polarity solder joint 111 and copper scrap region solder joint 112；On the lateral surface of through hole 21
Solder joint is distributed in the opposite sides of through hole 21.
The particular location of through hole 21 is not limited, and can be taken into account convenient processing, the self-strength of rigid wiring board 2 not influenceed, is easy to tear open
Dress FPC 1.Preferably, through hole 21 is located at the termination 20 of rigid wiring board 2, and through hole 21 is in rigid wiring board 2
Side form gap, the dismounting of FPC 1 is more convenient, more efficient, and the difficulty of processing of through hole 21 is low.
On the basis of said structure, can be set in the junction between the head 11 of FPC 1 and main body 12
Curved transition sections 13, further improve the stressing conditions at bond pad locations, increase the molten tin welding connection of hot pressing at bond pad locations
Intensity；In the thickness of the thickness more than main body 12 of the head 11 of FPC 1, it is ensured that the anti-pull ability at bond pad locations is more
By force.
In order to ensure integrally-built compact, the width of the width more than or equal to the main body 12 of FPC 1 of through hole 21
Degree.After installation, the main body 12 of FPC 1 will not protrude from the side of termination 20 of rigid wiring board 2, not interfere with soft or hard knot
The installation of plywood luminous lamp strip and other structures.
Both positive and negative polarity solder joint 111 and copper scrap region solder joint 112 can be contacted with the solder joint at the back side of rigid wiring board 2, to soft
The particular location of the head 11 of property wiring board 1 is not limited.Preferably, the head 11 of FPC 1 is attached to rigid wiring board 2
On the one side (back side) of the place side of LED 3, it is ensured that structure is more steady between FPC 1 and rigid wiring board 2
It is fixed, improve the fastness and anti-pull ability at bond pad locations.
Preferred embodiment two：
This preferred embodiment discloses a kind of backlight module, including the Rigid Flex electroluminescent lamp as described in preferred embodiment one
Bar, the stressing conditions at bond pad locations are improved, firmness increases, and difficult for drop-off, LED is difficult to be de-energized, backlight module
It is long service life, applied widely, in vibrations can be applied to, rocking, shake more obvious working environment.
Note, above are only preferred embodiment of the present utility model and the know-why used.Those skilled in the art
It will be appreciated that the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various
Significantly change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although implement more than
Example is described in further detail to the utility model, but the utility model is not limited only to above example, is not taking off
In the case of conceiving from the utility model, more other Equivalent embodiments can also be included, and scope of the present utility model is by institute
Attached right is determined.
Claims (10)
1. a kind of Rigid Flex luminous lamp strip, including FPC (1), rigid wiring board (2) and at least one LED
(3), the LED (3) is on the rigid wiring board (2), it is characterised in that opened up on the rigid wiring board (2)
There is through hole (21), the head (11) and main body (12) of the FPC (1) are respectively positioned at relative the two of the through hole (21)
Side；The head (11) of the FPC (1) is stuck on the lateral surface of the through hole (21).
2. Rigid Flex luminous lamp strip according to claim 1, it is characterised in that the institute of the FPC (1)
State head (11) and the main body (12) and be provided with both positive and negative polarity solder joint (111) in shape, the back side of the head (11) is mutually perpendicular to
With copper scrap region solder joint (112)；Be provided with the lateral surface of the through hole (21) respectively with the both positive and negative polarity solder joint (111) and institute
State the solder joint that copper scrap region solder joint (112) is adapted.
3. Rigid Flex luminous lamp strip according to claim 2, it is characterised in that the institute of the FPC (1)
The junction stated between head (11) and the main body (12) is located at the both positive and negative polarity solder joint (111) and copper scrap region solder joint
(112) between；Solder joint on through hole (21) lateral surface is distributed in the opposite sides of the through hole (21).
4. Rigid Flex luminous lamp strip according to claim 1, it is characterised in that the through hole (21) is positioned at described hard
Termination (20) place of property wiring board (2).
5. Rigid Flex luminous lamp strip according to claim 4, it is characterised in that the through hole (21) is in the hardness
The side of wiring board (2) forms gap.
6. the Rigid Flex luminous lamp strip according to any one of claim 1 to 5, it is characterised in that in the flexible wire
Junction between the head (11) and the main body (12) of road plate (1) is provided with curved transition sections (13).
7. the Rigid Flex luminous lamp strip according to any one of claim 1 to 5, it is characterised in that the through hole (21)
Width more than or equal to the FPC (1) the main body (12) width.
8. the Rigid Flex luminous lamp strip according to any one of claim 1 to 5, it is characterised in that in the flexible wire
Thickness of the thickness of the head (11) of road plate (1) more than the main body (12).
9. the Rigid Flex luminous lamp strip according to any one of claim 1 to 5, it is characterised in that the soft circuit
The head (11) of plate (1) is attached on the one side of side where the LED (3) of the rigid wiring board (2).
10. a kind of backlight module, it is characterised in that including such as the Rigid Flex hair according to any one of claim 1 to 9
Light lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409202.2U CN206300046U (en) | 2016-12-21 | 2016-12-21 | Rigid Flex luminous lamp strip and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409202.2U CN206300046U (en) | 2016-12-21 | 2016-12-21 | Rigid Flex luminous lamp strip and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206300046U true CN206300046U (en) | 2017-07-04 |
Family
ID=59214972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621409202.2U Active CN206300046U (en) | 2016-12-21 | 2016-12-21 | Rigid Flex luminous lamp strip and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206300046U (en) |
-
2016
- 2016-12-21 CN CN201621409202.2U patent/CN206300046U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |