CN207969086U - A kind of FPC, lamp bar and backlight - Google Patents
A kind of FPC, lamp bar and backlight Download PDFInfo
- Publication number
- CN207969086U CN207969086U CN201820477022.0U CN201820477022U CN207969086U CN 207969086 U CN207969086 U CN 207969086U CN 201820477022 U CN201820477022 U CN 201820477022U CN 207969086 U CN207969086 U CN 207969086U
- Authority
- CN
- China
- Prior art keywords
- fpc
- golden finger
- cabling
- copper foil
- lamp bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of FPC, lamp bar and backlights.The front copper foil of the FPC includes golden finger, and its front protecting film offers welding windowing on the position corresponding to the golden finger, and the front protecting film has extended to form support portion to the both sides of the welding windowing.The FPC can prevent the pressure head of pressure welding device to be pressed on golden finger.
Description
Technical field
The utility model is related to a kind of wiring board art more particularly to FPC, lamp bar and backlights.
Background technology
Backlight is the important composition component of liquid crystal module, luminous energy is converted electric energy to by LED, with automation
Development, gradually equipment pressure welding has been transitioned into for the welding of lamp bar by human weld, in equipment bond technology, pressure welding device
Pressure head be easy to be pressed onto the golden finger on FPC, the unfavorable condition for causing golden finger to be broken.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, a kind of FPC of the utility model offer, lamp bar and backlight.The FPC energy
The pressure head of pressure welding device is enough prevented to be pressed on golden finger.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of FPC, front copper foil include golden finger, and its front protecting film is in the position corresponding to the golden finger
On offer welding windowing, the front protecting film to it is described welding windowing both sides extended to form support portion.
Further, the support portion extends to matched with the edge termination of the golden finger.
Further, the front copper foil further includes front cabling and several pads, and the front cabling connects the weldering
Disk and its corresponding golden finger.
Further, the front copper foil further includes front cabling and several pads, and back copper foil includes back side cabling；
The back side cabling and/or front cabling connect the pad and its corresponding golden finger.
A kind of lamp bar, including above-mentioned FPC and several LED, a LED correspondence are welded on a pad.
A kind of backlight, including above-mentioned lamp bar.
The utility model has the advantages that：The FPC utilizes the spy in its back copper foil with large stretch of white space
The back copper foil is fabricated to the radiating copper area of large area covering, utilizes copper by point on the position corresponding to the pad
High-termal conductivity radiates, and both increases heat dissipation area, also improves radiating efficiency.
Description of the drawings
Fig. 1 is the front schematic view of FPC provided by the utility model；
Fig. 2 is the schematic rear view of FPC provided by the utility model；
Fig. 3 is the A-A sectional views of FPC shown in FIG. 1；
Fig. 4 is enlarged drawing at the B of FPC shown in FIG. 1；
Fig. 5 is the C-C sectional views of FPC shown in Fig. 4；
Fig. 6 is the schematic diagram of backlight provided by the utility model.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples.
Embodiment one
As shown in Fig. 1,3,4 and 5, a kind of FPC, including the back protection film 11, back copper foil 12, the substrate that set gradually
13, front copper foil 14 and front protecting film 15, the front copper foil 14 include several pads 141 and golden finger 142, the front
Protective film 15 offers dew copper windowing 151 on the position corresponding to the pad 141, corresponding to the golden finger 142
Welding windowing 153 is offered on position, the front protecting film 15 has extended to form support to the both sides of the welding windowing 153
Portion 152.
The FPC adds the support portion 152 on the both sides in 153 regions of the welding windowing, and the support portion 152 is higher than
Golden finger 142 in the welding windowing 153, in equipment bond technology, the pressure head of pressure welding device can only be pressed in the support
In portion 152, without the golden finger 142 being pressed onto in the welding windowing 153, it is ensured that the stability and yields of lamp bar.
Preferably, the support portion 152 extends to matched with the edge termination of the golden finger 142.
In addition, during the LED in lamp bar converts electric energy to luminous energy, a large amount of thermal energy are will produce, and backlight is interior
Portion is again relatively closed, if thermal energy can not distribute the performance for influencing whether lamp bar in time.
As shown in Figures 2 and 3, the back copper foil 12 includes radiating copper area 121, and the radiating copper area 121 is covered in correspondence
In on at least position of a pad 141.
In general, the FPC of lamp bar is two-layer wiring structure, only has some simple cablings in back copper foil 12, greatly
Part is all white space, and the position of these white spaces exactly corresponds to the pad in front copper foil 14 for welding LED
141。
The FPC, which is utilized in its back copper foil 12, has the characteristics that large stretch of white space, in the position corresponding to the pad 141
It sets, the back copper foil 12 is fabricated to the radiating copper area 121 of large area covering, is dissipated using the high-termal conductivity of copper
Heat both increases heat dissipation area, also improves radiating efficiency.
In one embodiment, the front copper foil 14 further includes front cabling and golden finger 142, the front cabling connection
The pad 141 and its corresponding golden finger 142.In the embodiment, all pads 141 and its corresponding golden finger 142 are logical
The front cabling connection is crossed, at this point, the radiating copper area 121 is preferably overlaid on the entire back side.
In another embodiment, the front copper foil 14 further includes front cabling and golden finger 142, the back copper foil 12
It further include back side cabling；The back side cabling and/or the connection pad 141 and its corresponding golden finger 142.The embodiment
In, at least partly pad 141 and its corresponding golden finger 142 are connected by the back side cabling or by the back side cablings
Be combined connection with front cabling, at this point, the radiating copper area 121 be preferably overlaid at it is whole other than the back side cabling
On a back side.
Preferably, the back protection film 11 offers heat dissipation windowing in the position corresponding to the radiating copper area 121
111, to accelerate the transmission and diverging of thermal energy.
Embodiment two
A kind of lamp bar, including the FPC described in embodiment one and several LED, a LED correspondence are welded on a pad
On 141.
Embodiment three
As shown in fig. 6, a kind of backlight, including the lamp bar described in embodiment two.
The backlight further includes metal frame 3 and light guide plate 4, and the light guide plate 4 and lamp bar are arranged in the metal frame 3,
Wherein, the lamp bar is located at the incident side of the light guide plate 4 and the back side of its FPC 1 is pasted onto in the metal frame 3.
Preferably, the FPC 1 of the lamp bar is pasted onto by heat-conducting glue on the bottom plate or side wall of the metal frame 3.
An at least optical film is additionally provided on the light-emitting surface of the light guide plate 4, generally comprise the diffusion barrier set gradually, under
Bright enhancement film and upper bright enhancement film；The light guide plate 4 is additionally provided with reflectance coating in the one side far from light-emitting surface.
It is additionally provided with anti-dazzling screen 5 on the light-emitting surface of the backlight, defines light extraction region for shading, the anti-dazzling screen 5 is viscous
It is attached in the metal frame 3.
The embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot it therefore be interpreted as the limitation to the utility model patent range, as long as using the form institute of equivalent substitution or equivalent transformation
The technical solution of acquisition, shall fall within the scope of the present invention.
Claims (6)
1. a kind of FPC, front copper foil includes golden finger, and its front protecting film is on the position corresponding to the golden finger
Offer welding windowing, which is characterized in that the front protecting film has extended to form support portion to the both sides of the welding windowing.
2. FPC according to claim 1, which is characterized in that the support portion extends to and the edge of golden finger end
It holds matched.
3. FPC according to claim 1 or 2, which is characterized in that the front copper foil further includes front cabling and several welderings
Disk, the front cabling connect the pad and its corresponding golden finger.
4. FPC according to claim 1 or 2, which is characterized in that the front copper foil further includes front cabling and several welderings
Disk, back copper foil include back side cabling；The back side cabling and/or front cabling connect the pad and its corresponding golden hand
Refer to.
5. a kind of lamp bar, which is characterized in that corresponded to including any FPC and several LED in claim 1-4, a LED
It is welded on a pad.
6. a kind of backlight, which is characterized in that including the lamp bar described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477022.0U CN207969086U (en) | 2018-04-04 | 2018-04-04 | A kind of FPC, lamp bar and backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477022.0U CN207969086U (en) | 2018-04-04 | 2018-04-04 | A kind of FPC, lamp bar and backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207969086U true CN207969086U (en) | 2018-10-12 |
Family
ID=63727237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820477022.0U Active CN207969086U (en) | 2018-04-04 | 2018-04-04 | A kind of FPC, lamp bar and backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207969086U (en) |
-
2018
- 2018-04-04 CN CN201820477022.0U patent/CN207969086U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW200933259A (en) | Display device and light-emitting device | |
| CN104075194B (en) | A kind of back light component, backlight module, liquid crystal module and preparation method | |
| JPWO2008096773A1 (en) | Light emitting device and surface light source device | |
| CN207927014U (en) | A kind of FPC, lamp bar and backlight | |
| CN206671727U (en) | A kind of direct-light-type backlight and liquid crystal display die set | |
| CN106970485B (en) | Display device | |
| CN206020882U (en) | A kind of backlight and liquid crystal display module | |
| CN207969086U (en) | A kind of FPC, lamp bar and backlight | |
| CN206378665U (en) | A kind of backlight and display module | |
| CN206546483U (en) | A kind of side-entering type backlight module | |
| CN207924327U (en) | A kind of backlight | |
| CN206147235U (en) | Display module | |
| CN207817367U (en) | A kind of liquid crystal display die set | |
| CN207114969U (en) | A kind of backlight module and display module | |
| CN206805057U (en) | A kind of liquid crystal module | |
| CN206347394U (en) | A kind of backlight and display module | |
| CN206546480U (en) | A kind of ultra-narrow frame ultra-thin LCD module | |
| CN108572475A (en) | A kind of super bath LCD display | |
| CN205899204U (en) | Backlight source | |
| CN206877008U (en) | A kind of backlight module and liquid crystal module | |
| CN205716749U (en) | A kind of backlight | |
| CN207965420U (en) | A kind of liquid crystal module | |
| CN206178297U (en) | Backlight module with improved heat dispersion function | |
| CN206851138U (en) | A kind of backlight FPC, lamp bar and backlight | |
| CN208888539U (en) | A kind of side entrance back light source assembly and backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |