CN204387983U - A kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal - Google Patents
A kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal Download PDFInfo
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- CN204387983U CN204387983U CN201520017328.4U CN201520017328U CN204387983U CN 204387983 U CN204387983 U CN 204387983U CN 201520017328 U CN201520017328 U CN 201520017328U CN 204387983 U CN204387983 U CN 204387983U
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Abstract
The utility model provides a kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal, and described integrated flexible circuit assembly comprises: flexible PCB, liquid crystal electron element and at least one LED light source; Described flexible PCB comprises the first circuit and second circuit; Described first circuit is connected with described liquid crystal electron element, forms liquid crystal circuit; At least one LED light source described is connected with described second circuit, forms backlight circuit; Electrically independent between described liquid crystal circuit and described backlight circuit.Solve LED flexible PCB assembling in prior art inconvenient, and make the problem that the backlight module thickness of its correspondence is thicker, this programme not only makes when making liquid crystal module, decrease its production process, and in the process of carrying out described integrated flexible circuit plate, disposable backlight circuit and liquid crystal circuit can be completed simultaneously, also save the material of flexible PCB, reduce production cost.
Description
Technical field:
The utility model relates to field of liquid crystal display, particularly relates to a kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal.
Background technology:
Along with popularizing gradually of LCD product, user is more and more fastidious to product, proposes more and more higher requirement to the quality of product, and they wish, and product is light, thin, giant-screen and cost constant (or reducing costs), also have general structure constant, performance can not reduce.Overall construction design in existing backlight liquid crystal module has been difficult to deal with day by day harsh user's request, in the prior art, as shown in Figure 1, in a liquid crystal module, comprise liquid crystal flexible PCB 109 (liquid crystal FPCA) and backlight flexible PCB 111, described liquid crystal flexible PCB 109 is connected with liquid crystal panel 101, and described backlight flexible PCB 21 utilizes FPC double faced adhesive tape 110 to be pasted onto in glue frame 107 light trough of backlight module; In this liquid crystal module, also comprise light guide plate 106 and optical diaphragm group; Described optical diaphragm group comprises: photomask 102, upper bright enhancement film 103, lower bright enhancement film 104, diffusion barrier 105 and reflectance coating 108; Have in designing and making for the backlight module in this liquid crystal module and have backlight FPC111 and LED component, provide light source with this to backlight; But when assembling the backlight FPC111 of backlight module and LED component, need to use double faced adhesive tape 110 etc., and be assembled in backlight module more loaded down with trivial details, installation time is longer, and uses double faced adhesive tape 110 to paste, and too increases the thickness of backlight module.Thus make obtained backlight module or liquid crystal module not only can not meet the requirement of user to its thickness, and its manufacture craft is more loaded down with trivial details, cost is also higher.
Utility model content:
The utility model provides a kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal, solves LED flexible PCB assembling in prior art inconvenient, and makes the problem that the backlight module thickness of its correspondence is thicker.
In order to solve the problem, the utility model adopts following scheme:
A kind of integrated flexible circuit assembly, comprising: flexible PCB, liquid crystal electron element and at least one LED light source; Described flexible PCB comprises the first circuit and second circuit; Described first circuit is connected with described liquid crystal electron element, forms liquid crystal circuit; At least one LED light source described is connected with described second circuit, forms backlight circuit; Electrically independent between described liquid crystal circuit and described backlight circuit.
Further, described liquid crystal circuit comprises liquid crystal splicing ear and the first external connection terminals; Described backlight circuit comprises the second external connection terminals; Described liquid crystal splicing ear is used for being connected with liquid crystal panel; Described first external connection terminals and described second external connection terminals are distributed on one end of described integrated flexible circuit plate.
Further, described first external connection terminals and described second external connection terminals share the circuit of identical function.
Further, described first circuit and described second circuit are distributed on the same surface of described flexible PCB, or described first circuit and described second circuit are distributed on the different surfaces of described flexible PCB respectively.
A kind of backlight module, comprising: optical diaphragm group, light guide plate and glue frame, the source ends of described glue frame is provided with light trough; Described light trough is for placing the LED light source on the integrated flexible circuit assembly as described in any one of claim 1-4.
Further, described optical diaphragm group comprises reflectance coating, and described reflectance coating is empty in the position crossing with the light trough of described glue frame.
Further, described reflectance coating is that sky specifically comprises in the position that the light trough place with described glue frame is crossing: the profile of described reflectance coating is identical with the profile of described light guide plate; Or, in the source ends of described reflectance coating, there is light trough structure, and identical with the light trough structure of the source ends of described glue frame.
A kind of liquid crystal module, comprises liquid crystal panel, also comprises the integrated flexible circuit assembly as described in above-mentioned any one and the backlight module as described in above-mentioned any one; The liquid crystal circuit of described integrated flexible circuit assembly is connected with described liquid crystal panel; By described integrated flexible circuit assembly being provided with the part bending of LED light source, LED light source is placed in the glue frame light trough of described backlight module.
A kind of terminal, comprises liquid crystal module as described above.
The utility model provides a kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal, by the backlight circuit of liquid crystal module and liquid crystal circuit are all arranged on a flexible PCB, form integrated flexible circuit assembly, like this, not only make when making backlight module, decrease its production process, and carrying out in described integrated flexible circuit component process, disposable backlight circuit and liquid crystal circuit can be completed simultaneously, also save the material of flexible PCB and the operational sequence to flexible PCB, reduce production cost.
Accompanying drawing illustrates:
Fig. 1 is the concrete structure schematic diagram of liquid crystal module of the prior art;
The structural representation of the integrated flexible circuit assembly that Fig. 2 provides for the utility model embodiment one;
The structural representation of the liquid crystal module that Fig. 3 provides for the utility model embodiment three;
Fig. 4 for liquid crystal module that the utility model embodiment three provides assembled after front and back schematic diagram;
The schematic diagram of the liquid crystal module assembly method that Fig. 5 provides for the utility model embodiment three.
Detailed description of the invention:
By reference to the accompanying drawings the utility model is described in further detail below by detailed description of the invention.
Key point of the present utility model is, liquid crystal circuit in liquid crystal module and backlight circuit are integrated on the liquid crystal flexible PCB of prior art, make this liquid crystal flexible PCB become the integrated flexible circuit assembly comprising liquid crystal circuit and backlight circuit, decrease the quantity of the flexible PCB of liquid crystal module.For flexible PCB, the liquid crystal circuit of integrated whole liquid crystal module and backlight circuit on one piece of flexible PCB, not only for it in manufacturing process, or the effect wanted all is reached for the control aspect of its cost; And for backlight module, only need optical diaphragm group, light guide plate and glue frame to carry out assembling, do not need the assembling carrying out flexible PCB in backlight module again, decrease operation and the difficulty of its assembling, save production cost; And do not need to use FPC double faced adhesive tape to paste, also reduce the thickness of backlight module, make to use the thickness of the terminal of this backlight module to reach more frivolous, be convenient to the use of user.
Embodiment one:
As shown in Figure 2, be the structural representation of the integrated flexible circuit assembly that the utility model embodiment one provides, refer to Fig. 2, described integrated flexible circuit assembly 21, comprising: flexible PCB 211, liquid crystal electron element and at least one LED light source 212; Described flexible PCB comprises the first circuit and second circuit; Described first circuit is connected with described liquid crystal electron element, forms liquid crystal circuit; At least one LED light source described is connected with described second circuit, forms backlight circuit; Electrically independent between described liquid crystal circuit and described backlight circuit.Described liquid crystal electron element is mainly the electronic original part that the liquid crystal circuit in composition liquid crystal module needs, and comprises resistance, voltage-stablizer, transformer etc.; Integrated flexible circuit assembly in the present embodiment is in liquid crystal module, replaces existing liquid crystal FPCA and backlight FPCA, achieves the integrated of two kinds of flexible PCBs; Electrically independently comprise between described liquid crystal circuit and described backlight circuit: liquid crystal circuit and backlight circuit can work alone, and do not have interconnective circuit etc. between both; Or, even if there is interconnective circuit between both, also can not influence each other when its work.
In certain embodiments, described liquid crystal circuit comprises liquid crystal splicing ear and the first external connection terminals; Described backlight circuit comprises the second external connection terminals; Described liquid crystal splicing ear is used for being connected with liquid crystal panel 201; Described first external connection terminals and described second external connection terminals are distributed on one end of described flexible PCB.Described first external connection terminals and described second external connection terminals mainly comprise the electric power connection line, earth connection etc. of respective circuit; It is distributed on one end of described flexible PCB, and major surfaces liquid crystal circuit and the terminal be connected with outside in backlight circuit concentrate on a position of described flexible PCB, like this, facilitates this flexible circuit assembly and outside connection.
Further, one end that described first external connection terminals and described second external connection terminals are distributed in described flexible PCB specifically comprises: described first external connection terminals and described second external connection terminals share the circuit of identical function.Namely for some earth connection or electric power connection line etc., only otherwise cause short circuit, and to its both sides when carrying out work, do not impact, earth connection in first external connection terminals of liquid crystal circuit and the second external connection terminals of backlight circuit and electric power connection line can use identical circuit, the use of circuit can be saved like this, reduce its cost.In addition, in certain embodiments, described first external connection terminals and the second external connection terminals also can be distributed on integrated flexible circuit plate two ends apart from each other respectively, form two links of described integrated flexible circuit plate.
In certain embodiments, described first circuit and described second circuit are distributed on the same surface of described flexible PCB, or described first circuit and described second circuit are distributed on the different surfaces of described flexible PCB respectively.Described first circuit is the circuit in liquid crystal circuit except liquid crystal electron element; Described second circuit is the circuit in backlight circuit except LED light source; Liquid crystal electron element in described liquid crystal circuit can be distributed on same surface with its circuit, also can be distributed on different surfaces respectively; In like manner, the circuit that described LED light source is corresponding with it also can be distributed on same surface, or is distributed on different surfaces; In the present embodiment, described liquid crystal circuit and described backlight circuit can be distributed on the different surfaces of described flexible PCB respectively.
The present embodiment, by being integrated on a flexible PCB by the liquid crystal circuit of liquid crystal module and backlight circuit, forming flexible circuit assembly, decreases the use of flexible PCB, saved cost, also reduce the thickness of liquid crystal module simultaneously.
Embodiment two:
The backlight module that the present embodiment provides, comprising: optical diaphragm group, light guide plate and glue frame, and the source ends of described glue frame is provided with light trough; Described light trough is for placing the LED light source on the integrated flexible circuit assembly as described in above-mentioned any embodiment.In the present embodiment, described optical diaphragm group comprises reflectance coating, and described reflectance coating is empty in the position crossing with the light trough of described glue frame.Be empty in the position of the light trough intersection of reflectance coating and described glue frame, because need the LED light source in integrated flexible circuit assembly to be placed in the light trough of glue frame, when it is placed by the mode of described integrated flexible circuit assembly being carried out bending behind, its reflectance coating is just necessary for sky in this position, and described LED light source could be placed on wherein exactly; Particularly, described optical diaphragm group comprises: photomask, bright enhancement film, diffusion barrier and reflectance coating; Described optical diaphragm group, light guide plate and glue frame assemble sequence from top to bottom in backlight module specifically comprises: photomask, bright enhancement film, diffusion barrier, light guide plate, glue frame and reflectance coating; Be empty for the position crossing with the light trough of glue frame at reflectance coating.
Described reflectance coating is that sky specifically comprises in the position that the light trough place with described glue frame is crossing: the profile of described reflectance coating is identical with the profile of described light guide plate, or, in the source ends of described reflectance coating, there is light trough structure, and identical with the light trough structure of the source ends of described glue frame.Like this, when being carried out fitting in described backlight module by the LED light source in described integrated flexible circuit assembly, only it need be bent from behind, position LED light source being aimed at its light trough carries out placing, facilitate the operation of assembling, and decrease the thickness of whole backlight module.
Embodiment three:
As shown in Figure 3, for the structural representation of the liquid crystal module that the utility model embodiment three provides, refer to Fig. 3, described liquid crystal module 20, comprise liquid crystal panel 201, it is characterized in that, also comprise the integrated flexible circuit assembly 21 as described in above-mentioned any embodiment and the backlight module as described in above-mentioned any embodiment; The liquid crystal circuit of described integrated flexible circuit assembly 21 is connected with described liquid crystal panel 301; By described integrated flexible circuit assembly 21 being provided with the part bending of LED light source 212, LED light source 212 is placed in the light trough of glue frame 207 of described backlight module.Particularly, described liquid crystal module 20 comprises: liquid crystal panel 201, photomask 202, upper bright enhancement film 203, lower bright enhancement film 204, diffusion barrier 205, light guide plate 206, glue frame 207 and reflectance coating 208; Also comprise integrated flexible circuit assembly 21; After above-mentioned so component assembling is completed, as shown in Figure 4, the liquid crystal module provided for the utility model embodiment three assembled after front and back schematic diagram, refer to Fig. 4, from the schematic diagram of the front and back of described liquid crystal module 20, integrated flexible circuit assembly 21 in liquid crystal module 20 is connected with liquid crystal panel, and the light trough in the backlight module at also liquid crystal module 20 back side connects.
Particularly, in the present embodiment, additionally provide the assembly method of described liquid crystal module 20, as shown in Figure 5, for the schematic diagram of the liquid crystal module assembly method that the utility model embodiment three provides, refer to Fig. 5, as shown in (1), all components and parts in liquid crystal module are assembled in order, and integrated flexible circuit assembly is connected with liquid crystal panel; In (2), described integrated flexible circuit assembly is bent backward, make the LED light source in this flexible circuit assembly aim at the light trough part of glue frame; As shown in (3), complete part what obtain last liquid crystal module, LED light source is placed on the light trough of glue frame exactly.The realization of this programme, make when making backlight module, do not need the assembling carrying out FPC, when carrying out the arranging of flexible PCB, also one piece of flexible PCB is only needed to come liquid crystal circuit and the backlight circuit of integrated liquid crystal module, decrease cost of manufacture and production process, and also reduce the thickness of liquid crystal module.
The utility model additionally provides a kind of terminal, comprises liquid crystal module described above.Use the terminal of this liquid crystal module, its thickness can realize thinner effect, improves the experience of user.
The utility model provides a kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal, by the backlight circuit of liquid crystal module and liquid crystal circuit are all arranged on an integrated flexible circuit plate, form integrated flexible circuit assembly, like this, not only make when making backlight module, decrease its production process, and in the process of carrying out described integrated flexible circuit plate, disposable backlight circuit and liquid crystal circuit can be completed simultaneously, also save the material of flexible PCB, reduce production cost.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1. an integrated flexible circuit assembly, is characterized in that, comprising: flexible PCB, liquid crystal electron element and at least one LED light source; Described flexible PCB comprises the first circuit and second circuit; Described first circuit is connected with described liquid crystal electron element, forms liquid crystal circuit; At least one LED light source described is connected with described second circuit, forms backlight circuit; Electrically independent between described liquid crystal circuit and described backlight circuit.
2. integrated flexible circuit assembly according to claim 1, is characterized in that, described liquid crystal circuit comprises liquid crystal splicing ear and the first external connection terminals; Described backlight circuit comprises the second external connection terminals; Described liquid crystal splicing ear is used for being connected with liquid crystal panel; Described first external connection terminals and described second external connection terminals are distributed on one end of described flexible PCB.
3. integrated flexible circuit assembly according to claim 2, is characterized in that, described first external connection terminals and described second external connection terminals share the circuit of identical function.
4. the integrated flexible circuit assembly according to any one of claim 1-3, it is characterized in that, described first circuit and described second circuit are distributed on the same surface of described flexible PCB, or described first circuit and described second circuit are distributed on the different surfaces of described flexible PCB respectively.
5. a backlight module, is characterized in that, comprising: optical diaphragm group, light guide plate and glue frame, and the source ends of described glue frame is provided with light trough; Described light trough is for placing the LED light source on the integrated flexible circuit assembly as described in any one of claim 1-4.
6. backlight module according to claim 5, is characterized in that, described optical diaphragm group comprises reflectance coating, and described reflectance coating is empty in the position crossing with the light trough of described glue frame.
7. backlight module according to claim 6, is characterized in that, described reflectance coating is that sky specifically comprises in the position that the light trough place with described glue frame is crossing: the profile of described reflectance coating is identical with the profile of described light guide plate; Or, in the source ends of described reflectance coating, there is light trough structure, and identical with the light trough structure of the source ends of described glue frame.
8. a liquid crystal module, comprises liquid crystal panel, it is characterized in that, also comprises the integrated flexible circuit assembly as described in any one of claim 1-4 and the backlight module as described in any one of claim 5-7; The liquid crystal circuit of described integrated flexible circuit assembly is connected with described liquid crystal panel; By described integrated flexible circuit assembly being provided with the part bending of LED light source, LED light source is placed in the glue frame light trough of described backlight module.
9. a terminal, is characterized in that, comprises liquid crystal module as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017328.4U CN204387983U (en) | 2015-01-09 | 2015-01-09 | A kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017328.4U CN204387983U (en) | 2015-01-09 | 2015-01-09 | A kind of integrated flexible circuit assembly, backlight module, liquid crystal module and terminal |
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| CN204387983U true CN204387983U (en) | 2015-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785616A (en) * | 2016-05-05 | 2016-07-20 | 武汉华星光电技术有限公司 | Liquid crystal display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785616A (en) * | 2016-05-05 | 2016-07-20 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| WO2017190379A1 (en) * | 2016-05-05 | 2017-11-09 | 武汉华星光电技术有限公司 | Liquid crystal display apparatus |
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