CN204026552U - Backboard, backlight module and display unit - Google Patents
Backboard, backlight module and display unit Download PDFInfo
- Publication number
- CN204026552U CN204026552U CN201320352913.0U CN201320352913U CN204026552U CN 204026552 U CN204026552 U CN 204026552U CN 201320352913 U CN201320352913 U CN 201320352913U CN 204026552 U CN204026552 U CN 204026552U
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- backlight module
- backboard
- printed substrate
- electronic devices
- components
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Abstract
The utility model discloses a kind of backboard, backlight module and display unit, this backboard comprises printed substrate.This printed substrate is for assembling the electronic devices and components in backlight module, thereby avoided backlight module in assembling process, to need electronic devices and components to be assembled on FPC, again FPC is pasted to backboard or the upper stickup assembling process of glue frame of backlight module, thereby improved the intensity of backlight module, reduce the generation of bad product, and then improved the quality of the display unit that backlight module is assembled into.
Description
Technical field
The utility model belongs to Display Technique field, is specifically related to a kind of backboard, backlight module and display unit.
Background technology
As shown in Figure 1, in prior art, most of backlight module need to be welded on LED12 on flexible print circuit board (FPC) 14, then the FPC14 that is connected with LED12 is fixed on glue frame 9 or on backboard 10, it in this installation process, is generally the back side sticking two-faced adhesive tape 13 that the installed surface of LED12 is installed on FPC14, by this double faced adhesive tape 13, FPC14 is pasted on glue frame 9 or backboard 10, and in taping process, also need LED12 accurately to locate, make LED12 can aim at the specific leaded light position of LGP, for example: when backlight module is side entering type, LED12 need to aim at the side of LGP, when backlight module is straight-down negative, LED12 need to be on backboard 10 dispersed arranging.But by this bonding method, the FPC14 that is connected with LED12 is fixed to installation, often there will be the coarse problem of LED12 contraposition.And after the FPC14 that is connected with LED12 has been pasted, also need to carry out the assembling of whole backlight module, in the assembling process of backlight module, the operation such as need to carry out clamping between a lot of parts such as backboard 10, glue frame 9, chase, display floater 11 or be spirally connected, these operations all can produce vibration, the FPC14 that can make to be connected with LED12 is pasted not strongly and admittedly even produces displacement phenomenon, thereby has affected the product quality of backlight module.
Utility model content
Technical problem to be solved in the utility model is for above shortcomings in prior art, a kind of backboard for backlight module, backlight module and display unit are provided, the printed substrate of this backboard is used for assembling the electronic devices and components in backlight module, thereby has improved the intensity of backlight module.
The technical scheme that solution the utility model technical problem adopts is to provide a kind of backboard for backlight module, and described backboard comprises printed substrate
Preferably, described printed substrate is individual layer printed substrate.
Preferably, described printed substrate is two-layer printed circuit plate or multilayer printed circuit board.
Preferably, described backboard also comprises base plate, and described two-layer printed circuit plate or described multilayer printed circuit board are arranged on described base plate.
Preferably, described printed substrate comprises rigid printed substrate, and described rigid printed substrate is positioned at the back side of the display surface of display floater.
Preferably, described printed substrate also comprises main flexible print circuit board, and described rigid printed substrate and described main flexible print circuit board are electrically connected, and described main flexible print circuit board and described display floater are electrically connected.
The utility model also provides a kind of backlight module, comprises above-mentioned backboard.
Preferably, described backlight module also comprises electronic devices and components, and described electronic devices and components and described printed substrate are electrically connected.
Preferably, described electronic devices and components comprise LED.
The utility model also provides a kind of display unit, comprises above-mentioned backlight module.
Backboard in the utility model comprises printed substrate, this printed substrate is for assembling the electronic devices and components in backlight module, thereby avoided backlight module in assembling process, to need electronic devices and components to be assembled on FPC, again FPC is pasted to backboard or the upper stickup assembling process of glue frame of backlight module, thereby improved the intensity of backlight module, reduce the generation of bad product, and then improved the quality of the display unit that backlight module is assembled into.
Accompanying drawing explanation
Fig. 1 is the structural representation of display unit of the prior art;
Fig. 2 is the structural representation of display unit of the prior art;
Fig. 3 is the structural representation of the backboard in the utility model embodiment 2;
Fig. 4 is the structural representation of the backboard in the utility model embodiment 3;
Fig. 5 is the structural representation of the backboard in the utility model embodiment 3;
Fig. 6 is the structural representation of the backboard in the utility model embodiment 4.
In figure: 1-substrate; 2-the first circuitous pattern layer; 3-second circuit graph layer; 4-tertiary circuit graph layer; 5-base plate; The main FPC of 6-; The rigid printed substrate of 7-; 8-side frame; 9-glue frame; 10-backboard; 11-display floater; 12-LED; 13-double faced adhesive tape; 14-FPC.
The specific embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
The present embodiment provides a kind of backboard for backlight module, and described backboard comprises printed substrate.Can be by the electronic devices and components in backlight module, such as LED, resistance, electric capacity, diode etc., is arranged on described printed substrate.
As shown in Figure 1, in prior art, in undersized backlight module, conventionally LED12 is assembled to FPC14 upper, then uses double faced adhesive tape 13 that the FPC14 that is equipped with LED12 is pasted on backboard 10 or glue frame 9, in the taping process of FPC14 by double faced adhesive tape 13, also need the light-guiding mechanism in LED12 and backlight module to position, positioning action in this assembling process, the accuracy of location is difficult to control, and time-consuming.
In the present embodiment, the backboard of backlight module not only can play each parts that support in backlight module, and backboard has had the function of printed substrate simultaneously, LED directly can be assembled on backboard, thus the assembling process that need to paste while having avoided in prior art, the FPC14 that is equipped with LED12 being assembled on backlight module.In backboard in the present embodiment, only need directly LED to be assembled to the printed substrate of backboard, thereby improved the intensity of backlight module, reduced the generation of bad product.When LED is directly assembled to the printed substrate of backboard, only the light-guiding mechanism of whole printed substrate and backlight module need be positioned, and without the light-guiding mechanism of each LED and backlight module is positioned, thereby reduced the assemble flow of backlight module, improved the efficiency of assembling of backlight module.Certainly, on the printed substrate of backboard, also can assemble the electronic devices and components such as resistance, electric capacity, diode simultaneously.
As shown in Figure 2, in prior art, for large-sized backlight module, conventionally LED12 is assembled on rigid printed substrate 7, then by the mode of for example bolt punching or the mode of stickup, rigid printed substrate 7 is directly assembled on backboard 10 or glue frame 9, this process need positions the LED12 on rigid printed substrate 7 and the light-guiding mechanism in backlight module.In the present embodiment, directly LED is assembled on the printed substrate of backboard, omit the mode by for example bolt punching of the prior art or the mode of stickup rigid printed substrate 7 has been assembled to the assembling process on backboard 10 or glue frame 9, thereby improved the efficiency of assembling of backlight module.
In the present embodiment, the function of the circuit that specifically can need to realize according to backlight module is carried out the circuitous pattern on design and printing wiring board, for example can be according to actual conditions need to the both positive and negative polarity of circuitous pattern be etched in to the position needing when making the printed substrate of backboard.
Embodiment 2
As shown in Figure 3, the present embodiment provides a kind of backboard 10 for backlight module, and described backboard 10 comprises printed substrate.Preferably, described printed substrate is individual layer printed substrate.In the present embodiment, LED12 is assemblied on individual layer printed substrate, and LED12 is arranged at the back side of the exiting surface of display floater 11.When the better simply circuit of electronic devices and components needs being connected when the printed substrate with backboard 10 just can be realized their function, printed substrate is preferably individual layer printed substrate, this individual layer printed substrate can reduce the thickness of backboard 10, thereby reduces the thickness of whole backlight module.Individual layer printed substrate comprises substrate 1 and the first circuitous pattern layer 2, substrate 1 is insulating barrier, substrate 1 not only can support the first circuitous pattern layer 2, also can support each parts in backlight module simultaneously, on the first circuitous pattern layer 2, be provided with the interface of electronic devices and components for connecting the electronic devices and components in backlight module, LED12 for example, thus realized the design of the minimum thickness of backboard 10.
Embodiment 3
As shown in Figure 4, the present embodiment provides a kind of backboard 10 for backlight module, and described backboard 10 comprises printed substrate.Preferably, described printed substrate is two-layer printed circuit plate or multilayer printed circuit board.When the more complicated circuit of electronic devices and components needs being connected when the printed substrate with backboard 10 just can be realized their function, printed substrate is preferably two-layer printed circuit plate or multilayer printed circuit board, two-layer printed circuit plate or multilayer printed circuit board not only can increase wiring capacity, and can improve electric transmission performance simultaneously.
In the present embodiment, backboard 10 specifically comprises two-layer printed circuit plate, and two-layer printed circuit plate comprises substrate 1 and is arranged at respectively the first circuitous pattern layer 2 and the tertiary circuit graph layer 4 on the two sides of substrate 1.Wherein, substrate 1 is insulating barrier, and the first circuitous pattern layer 2, towards the back side of the display surface of display floater 11, is provided with the interface of electronic devices and components on the first circuitous pattern layer 2.Tertiary circuit graph layer 4 is shiny surface, and the interface of electronic devices and components is not set on tertiary circuit graph layer 4, and tertiary circuit graph layer 4 mainly plays the supporting role to the various parts in backlight module.In the present embodiment, LED12 is specifically assemblied on the first circuitous pattern layer 2 of two-layer printed circuit plate, and LED12 is arranged at the back side of the exiting surface of display floater 11.
As shown in Figure 5, preferably, described backboard 10 also comprises base plate 5, and described two-layer printed circuit plate or described multilayer printed circuit board are arranged on described base plate 5.When two-layer printed circuit plate or multilayer printed circuit board are arranged on base plate 5, the circuitous pattern layer on the outermost layer of two-layer printed circuit plate or multilayer printed circuit board all can arrange the interface of electronic devices and components.In the present embodiment, backboard 10 specifically comprises two-layer printed circuit plate and base plate 5, two-layer printed circuit plate comprises substrate 1, is arranged at the first circuitous pattern layer 2 and the second circuit graph layer 3 on the two sides of substrate 1, the first circuitous pattern layer 2 is towards the back side of the display surface of display floater 11, and second circuit graph layer 3 is arranged on base plate 5.Because the parts in 5 pairs of backlight modules of base plate support, so also the interface of electronic devices and components can be set on the second circuit graph layer 3 of backboard 10, for connecting electronic components and parts, even be connected with electronic devices and components on second circuit graph layer 3, do not affect base plate 5 yet and support for the parts in backlight module.
Certainly, when backboard 10 does not comprise base plate 5, that is to say when backboard 10 itself is two-layer printed circuit plate or multilayer printed circuit board, on the two-layer printed circuit plate at the back side of the display surface towards display floater 11 or the outermost circuitous pattern layer of multilayer printed circuit board, be provided with the interface of electronic devices and components, and be not provided with dorsad the interface of electronic devices and components on the outermost circuitous pattern layer of the two-layer printed circuit plate of display floater 11 or multilayer printed circuit board, and this face is shiny surface, being convenient to like this these parts that regard in backlight module supports.
Embodiment 4
As shown in Figure 6, the present embodiment provides a kind of backboard 10 for backlight module, and described backboard 10 comprises printed substrate.Preferably, described printed substrate comprises rigid printed substrate 7, and described rigid printed substrate 7 is positioned at the back side of the display surface of display floater 11.The making of this rigid printed substrate 7 is simple, long service life.
Preferably, described printed substrate also comprises main FPC6, and described rigid printed substrate 7 is electrically connected with described main FPC6, and described main FPC6 and described display floater 11 are electrically connected.In the present embodiment, LED12 is specifically assemblied on rigid printed substrate 7, and LED12 is arranged at the back side of the exiting surface of display floater 11.
More preferably, on this main FPC6, any electronic devices and components are not set, this main FPC6 has only played the effect of wire, and rigid printed substrate 7 and main FPC6 are electrically connected.Certainly, on main FPC6, also electronic devices and components can be set.This rigid printed circuit board is not only for LED12 provides circuit board, and simultaneously also for display floater 11 provides circuit board, avoided in same backlight module, being respectively LED12 and display floater 11 provides two circuit boards.
As shown in Figure 1, the assembling process of display unit of the prior art: first by display floater 11 and main FPC6 pressing, then display floater 11 and backlight module are assembled, then main FPC6 is folded between display floater 11 and backboard 10, the one side of main FPC6 after bending is pasted on backboard 10, wherein, backboard 10 comprises side frame 8, this side frame 8 is for being fixed and supporting backlight module, main FPC6 mainly bends assembling in side frame 8 parts, in this process, still have the operation of stickup, and there is the bending assembling of main FPC6, these assembly difficulty are all very high, easily there is bad product.In this display unit, being provided with 9 pairs of display floaters 11 of glue frame supports.As shown in Figure 6, the assembling process of the display unit in the present embodiment: directly display floater 11 is arranged on the backboard 10 that comprises above-mentioned rigid printed substrate 7 and main FPC6, display floater 11 is positioned at the top of the rigid printed substrate 7 of backboard 10.The rigid printed substrate 7 of this backboard 10 mainly plays the electronic devices and components that connect in backlight module and the effect of supporting each parts in backlight module, main FPC6 is arranged on rigid printed substrate 7 and display floater, and Shang Xia 11 superimposed obverse side, because main FPC6 here mainly plays the effect that connects display floater 11 and rigid printed substrate 7, so the interface of electronic devices and components is not set on it, and the length of this main FPC6 is set to slightly be longer than display floater 11 after assembling and the distance between rigid printed substrate 7.This backboard 10 also comprises side frame 8 simultaneously, and side frame 8 is arranged at the side of rigid hard brush wiring board, and simultaneously side frame 8 is also arranged at the side of main FPC6, this side frame 8 except for backlight module is fixed with supporting role, can also protect main FPC6.Then main FPC6 and display floater 11 are carried out to pressing, main FPC6 has only played the effect that connects rigid printed substrate 7 and display floater 11, although there is bending to a certain degree, bending degree is less, and omitted the taping process of main FPC6, this step assembling is very simple.
Embodiment 5
The present embodiment provides a kind of backlight module, comprises above-mentioned backboard.
Preferably, described backlight module also comprises electronic devices and components, and described electronic devices and components and described printed substrate are electrically connected.
Preferably, described electronic devices and components comprise LED.Certainly, electronic devices and components can be also resistance, electric capacity, diode etc.
Embodiment 6
The utility model provides a kind of display unit, comprises display floater, also comprises above-mentioned backlight module.
Be understandable that, above embodiment is only used to principle of the present utility model is described and the illustrative embodiments that adopts, yet the utility model is not limited to this.For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (5)
1. the backboard for backlight module, it is characterized in that, described backboard comprises printed substrate, described printed substrate is two-layer printed circuit plate or multilayer printed circuit board, described backboard also comprises base plate, and described two-layer printed circuit plate or described multilayer printed circuit board are arranged on described base plate.
2. a backlight module, is characterized in that, comprises the backboard described in claim 1.
3. backlight module according to claim 2, is characterized in that, also comprises electronic devices and components, and described electronic devices and components and described printed substrate are electrically connected.
4. backlight module according to claim 3, is characterized in that, described electronic devices and components comprise LED.
5. a display unit, is characterized in that, comprises the backlight module described in claim 2～4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352913.0U CN204026552U (en) | 2013-06-19 | 2013-06-19 | Backboard, backlight module and display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352913.0U CN204026552U (en) | 2013-06-19 | 2013-06-19 | Backboard, backlight module and display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204026552U true CN204026552U (en) | 2014-12-17 |
Family
ID=52066408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320352913.0U Expired - Fee Related CN204026552U (en) | 2013-06-19 | 2013-06-19 | Backboard, backlight module and display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204026552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549171A (en) * | 2018-07-26 | 2018-09-18 | 京东方科技集团股份有限公司 | Glue frame and display device |
-
2013
- 2013-06-19 CN CN201320352913.0U patent/CN204026552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549171A (en) * | 2018-07-26 | 2018-09-18 | 京东方科技集团股份有限公司 | Glue frame and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 |