CN203858429U - Liquid crystal display module - Google Patents
Liquid crystal display module Download PDFInfo
- Publication number
- CN203858429U CN203858429U CN201420101531.5U CN201420101531U CN203858429U CN 203858429 U CN203858429 U CN 203858429U CN 201420101531 U CN201420101531 U CN 201420101531U CN 203858429 U CN203858429 U CN 203858429U
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- China
- Prior art keywords
- backlight
- flexible pcb
- liquid crystal
- crystal display
- display module
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- 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.)
- Expired - Fee Related
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- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
The utility model provides a liquid crystal display module. The liquid crystal display module comprises a liquid crystal display panel, a backlight source, a main flexible circuit board and a backlight flexible circuit board, wherein the main flexible circuit board is electrically connected with the backlight flexible circuit board; a conductive bonding material is arranged between the main flexible circuit board and the liquid crystal display panel; one end of the backlight flexible circuit board is arranged on the liquid crystal display panel. Compared with the prior art, the liquid crystal display module provided by the utility model has the advantage that the overall thickness of the liquid crystal display module can be reduced under the condition of ensuring electrical connection of the backlight source with the main flexible circuit board.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly, relates to a kind of liquid crystal display module.
Background technology
(Lyquid Cristal Module, LCM) is lightweight because having for liquid crystal display module, thin thickness, and the advantage such as low in energy consumption is as the display module of various electronic.LCM module comprises the parts such as display panels, integrated circuit, backlight, main flexible PCB (FPC) and flexible PCB backlight.Wherein, display panels itself is not luminous, needs backlight that light source is provided, so that beholder can see the image that display panels shows.The illuminating part of backlight is fixed on flexible PCB backlight by the mode of welding.Existing technical scheme is that flexible PCB backlight is welded on main flexible PCB, or is connected on main flexible PCB with connector.Because the pad of correspondence or the connector of employing on flexible PCB backlight and main flexible PCB have certain thickness, cause liquid crystal display module integral thickness thicker, be difficult to reach liquid crystal display to the demand of ultrathin development.In addition, while adopting the mode of welding that flexible PCB backlight is connected on main flexible PCB, be easy to produce the outward appearances or electrically bad such as rosin joint, cold welding, cause product quality to reduce, the mode of connector needs the special connector of buying separately can cause cost to increase.
Therefore, how in the situation that guarantee that backlight becomes this area technical matters urgently to be resolved hurrily with the thickness that being electrically connected to of main flexible PCB reduces liquid crystal display module.
Utility model content
The purpose of this utility model is to provide a kind of liquid crystal display module, can be in the situation that guarantee that backlight and being electrically connected to of flexible PCB reduce the thickness of liquid crystal display module.
To achieve these goals, the utility model provides a kind of liquid crystal display module, this liquid crystal display module comprises display panels, backlight, main flexible PCB and flexible PCB backlight, described main flexible PCB is electrically connected to described flexible PCB backlight, between described main flexible PCB and described display panels, be provided with the jointing material that can conduct electricity, one end of described flexible PCB backlight is arranged on described display panels.
Preferably, on described display panels, be provided with the first positive electricity end, the first negative electricity is extreme, the second positive electricity end and the second negative electricity are extreme, described main flexible PCB is extremely connected with described the first negative electricity with described the first positive electricity end by the jointing material that can conduct electricity, described flexible PCB backlight is extremely connected with described the second negative electricity with described the second positive electricity end by the jointing material that can conduct electricity, described the first positive electricity end is connected with described the second positive electricity end by the first wire, described the first negative electricity is extremely extremely connected with described the second negative electricity by the second wire.
Preferably, described the first wire and described the second wire are all arranged on the array base palte of described display panels.
Preferably, described the first positive electricity end, extreme, described the second positive electricity end of described the first negative electricity and described the second negative electricity are extremely arranged on the array base palte of described display panels.
Preferably, described jointing material is anisotropy conductiving glue.
Preferably, described backlight comprises light guide plate, and described light guide plate is arranged between the illuminating part and described display panels of described backlight.
Preferably, described backlight also comprises reflecting plate, and described reflecting plate is positioned at described light guide plate below.
Preferably, described liquid crystal display module also comprises housing, described display panels, described flexible PCB backlight and described backlight are all arranged in described housing, the position that described housing is corresponding with described flexible PCB backlight is provided with opening, and described flexible PCB backlight is stretched out by described opening.
In the utility model, described main flexible PCB and described flexible PCB backlight are electrically connected to, and described main flexible PCB is all connected with described display panels with described flexible PCB backlight, described flexible PCB backlight is not arranged on described main flexible PCB, thereby can avoid, between described main flexible PCB and described flexible PCB backlight, pad or connector are set, thereby reduce the integral thickness of liquid crystal display module; Rosin joints while simultaneously having avoided pad etc. are bad, improved product quality.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Shown in Fig. 1 is the one-piece construction schematic diagram of the liquid crystal display module that provides of the utility model;
Shown in Fig. 2 is the connection diagram of main flexible PCB in embodiment provided by the utility model, flexible PCB backlight and display panels;
Shown in Fig. 3 is that the master of liquid crystal display module provided by the utility model cuts open schematic diagram.
Description of reference numerals
100: display panels; 110: to box substrate; 120: array base palte; 121: the first positive electricity ends; Within 122: the first, negative electricity is extreme; 123: the second positive electricity ends; Within 124: the second, negative electricity is extreme; 130: main flexible PCB; 140: flexible PCB backlight; 150: jointing material; 161: the first wires; 162: the second wires; 170: the illuminating part of backlight; 180: light guide plate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
The utility model provides a kind of liquid crystal display module, as shown in Figure 1 to Figure 3, this liquid crystal display module comprises display panels 100, backlight, main flexible PCB 130 and flexible PCB backlight 140, main flexible PCB 130 is electrically connected to flexible PCB 140 backlight, wherein, between main flexible PCB 130 and display panels 100, be provided with the jointing material 150 that can conduct electricity, one end of flexible PCB 140 backlight is arranged on display panels 100.
In the utility model, main flexible PCB 130 is all connected with described display panels with flexible PCB 140 backlight, flexible PCB 140 backlight is not arranged on main flexible PCB 130, thereby can avoid, between main flexible PCB 130 and flexible PCB backlight 140, pad or connector are set, thereby reduce the integral thickness of liquid crystal display module.In addition, main flexible PCB 130 is connected with display panels 100 by the jointing material 150 that can conduct electricity, and for display panels 100 provides driving signal, main flexible PCB 130 is electrically connected to flexible PCB 140 backlight, can power for backlight.Hence one can see that, and liquid crystal display module provided by the utility model can guarantee that flexible PCB 140 backlight reduces the thickness of described liquid crystal display module in the situation that of electrical connection with main flexible PCB 130.
The utility model to flexible PCB 140 backlight set-up mode on display panels 100 do not do concrete restriction, as long as can be fixed on display panels 100 and with main flexible PCB 130, be electrically connected to.
As a kind of embodiment of the present utility model, as shown in Figure 2, on display panels 100, be respectively arranged with the first positive electricity end 121, the first negative electricity extreme 122, the second positive electricity end 123 and the second negative electricity extreme 124, main flexible PCB 130 is connected with the first negative electricity extreme 122 with the first positive electricity end 121 by the jointing material 150 that can conduct electricity, flexible PCB 140 backlight is connected with the second negative electricity extreme 124 with the second positive electricity end 123 by the jointing material 150 that can conduct electricity, the first positive electricity end 121 is connected with the second positive electricity end 123 by the first wire 161, the first negative electricity extreme 122 is connected with the second negative electricity extreme 124 by the second wire 162.
One end of main flexible PCB 130 can be connected with external power supply, and the other end can be connected with the first negative electricity extreme 122 with the first positive electricity end 121.One end of flexible PCB 140 backlight is connected with the second negative electricity extreme 124 with the second positive electricity end 123, and the other end is connected with illuminating part.The electric signal that external power supply provides is converted into two kinds of signals by main flexible PCB 130, and a kind of is the driving signal of display panels, and another kind is the luminous signal of backlight.The luminous signal of main flexible PCB 130 outputs passes to flexible PCB 140 backlight by the first positive electricity end 121 and the first negative electricity extreme 122, and by flexible PCB 140 backlight, passes to the illuminating part of backlight.
Main flexible PCB 130 can be connected with the input end of display panels, thinks that display panels provides driving signal.
In order to provide light source to display panels 100, the illuminating part 170 of backlight is electrically connected to (for example, backlight illuminating part 170 can be welded on flexible PCB 140) with flexible PCB 140 backlight.Conventionally, the illuminating part 170 of backlight is light emitting diode.
It will be appreciated by persons skilled in the art that display panels 100 comprises array base palte 120 and to box substrate 110(as shown in Figure 1), on array base palte 120, be provided with array circuit, to being provided with the color film of different colours on box substrate 110.As a kind of embodiment of the present utility model, the first positive electricity end 121, extreme the 122, second positive electricity end 123 of the first negative electricity and the second negative electricity extreme 124 are all arranged on array base palte 120.Flexible PCB 140 backlight is connected with the second negative electricity extreme 124 with the second positive electricity end 123 by the jointing material 150 that can conduct electricity, to drive the illuminating part 170 of backlight; Main flexible PCB 130 is connected with the input end of array base palte 120 by the jointing material that can conduct electricity, for array base palte 120 provides driving signal, thereby make the light penetration difference of the diverse location of display panels 100, and then demonstrate different images on to box substrate 110.
The utility model is not done concrete restriction to the structure of the first wire 161 and the second wire 162, and for example, the first wire 161 and the second wire 162 can be external wires.Preferably, the first wire 161 and the second wire 162 can be made by the conductive metal layer being deposited on array base palte 120, thereby reduce the thickness of liquid crystal display module.
In the utility model, preferably, jointing material 150 is anisotropy conductiving glue, to realize better bonding and conducting function.After the conducting particles pressurized of described anisotropy conductiving glue, vertically conduct electricity, and horizontal direction is non-conductive, that is, between main flexible PCB 130 and the first positive electricity end 121 and between main flexible PCB 130 and the first negative electricity extreme 122, all can conduct electricity; Between flexible PCB 140 backlight and the second positive electricity end 123 and the second negative electricity extreme 124, all can conduct electricity, mutually insulated between the first positive electricity end 121, extreme the 122, second positive electricity end 123 of the first negative electricity and the second negative electricity extreme 124.
Further, for display panels that the light of the illuminating part of backlight 170 is led, as shown in Figure 3, described backlight can also comprise light guide plate 180, light guide plate 180 is arranged between the illuminating part 170 and display panels 100 of backlight, the light of the illuminating part of backlight 170 transmittings irradiating liquid crystal display panel 100 equably after the reflection of light guide plate 180 and scattering process.
Further, in order to improve the light utilization of the illuminating part 170 of backlight, described backlight can also comprise reflecting plate, and described reflecting plate is positioned at light guide plate 180 belows, with by the light reflection not being scattered to display panels 100.Described D score side refers to the D score side that in Fig. 3, double-head arrow identifies.
Further, for display panels 100, main flexible PCB 130, flexible circuit board backlight 140 and described backlight are fixed, described liquid crystal display module can also comprise housing, display panels 100, main flexible PCB 130, flexible circuit board backlight 140 and described backlight are all arranged in described housing, the position that described housing is corresponding with flexible PCB 140 backlight is provided with opening, as shown in Figure 3, flexible PCB backlight is stretched out by described opening, and upwards bending, thereby be arranged on display panels 100.
The description that the above-mentioned liquid crystal display module providing for the utility model carries out, can find out, due to described main flexible PCB and described flexible PCB electrical connection backlight, and described main flexible PCB is all connected with described display panels with described flexible PCB backlight, avoid, between described main flexible PCB and described flexible PCB backlight, pad or other web members are set, thereby guaranteeing that described main flexible PCB and described flexible PCB backlight reduce the thickness of described liquid crystal display module in the situation that of electrical connection; Prevent the problem that costs bad and that web member causes such as rosin joint that welding produces increase simultaneously.
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 (8)
1. a liquid crystal display module, this liquid crystal display module comprises display panels, backlight, main flexible PCB and flexible PCB backlight, described main flexible PCB is electrically connected to described flexible PCB backlight, it is characterized in that, between described main flexible PCB and described display panels, be provided with the jointing material that can conduct electricity, one end of described flexible PCB backlight is arranged on described display panels.
2. liquid crystal display module according to claim 1, it is characterized in that, on described display panels, be provided with the first positive electricity end, the first negative electricity is extreme, the second positive electricity end and the second negative electricity are extreme, described main flexible PCB is extremely connected with described the first negative electricity with described the first positive electricity end by the jointing material that can conduct electricity, described flexible PCB backlight is extremely connected with described the second negative electricity with described the second positive electricity end by the jointing material that can conduct electricity, described the first positive electricity end is connected with described the second positive electricity end by the first wire, described the first negative electricity is extremely extremely connected with described the second negative electricity by the second wire.
3. liquid crystal display module according to claim 2, is characterized in that, described the first wire and described the second wire are all arranged on the array base palte of described display panels.
4. liquid crystal display module according to claim 2, is characterized in that, described the first positive electricity end, extreme, described the second positive electricity end of described the first negative electricity and described the second negative electricity are extremely arranged on the array base palte of described display panels.
5. according to the liquid crystal display module described in any one in claim 1 to 4, it is characterized in that, described jointing material is anisotropy conductiving glue.
6. according to the liquid crystal display module described in any one in claim 1 to 4, it is characterized in that, described backlight comprises light guide plate, and described light guide plate is arranged between the illuminating part and described display panels of described backlight.
7. liquid crystal display module according to claim 6, is characterized in that, described backlight also comprises reflecting plate, and described reflecting plate is positioned at described light guide plate below.
8. liquid crystal display module according to claim 7, it is characterized in that, described liquid crystal display module also comprises housing, described display panels, described flexible PCB backlight and described backlight are all arranged in described housing, the position that described housing is corresponding with described flexible PCB backlight is provided with opening, and described flexible PCB backlight is stretched out by described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101531.5U CN203858429U (en) | 2014-03-06 | 2014-03-06 | Liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101531.5U CN203858429U (en) | 2014-03-06 | 2014-03-06 | Liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858429U true CN203858429U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101531.5U Expired - Fee Related CN203858429U (en) | 2014-03-06 | 2014-03-06 | Liquid crystal display module |
Country Status (1)
| Country | Link |
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| CN (1) | CN203858429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118384A (en) * | 2015-09-28 | 2015-12-02 | 武汉华星光电技术有限公司 | Display device and display panel thereof |
| CN105158939A (en) * | 2015-09-14 | 2015-12-16 | 武汉华星光电技术有限公司 | Attaching method and assembly for backlight power supply welding disk and backlight golden finger |
-
2014
- 2014-03-06 CN CN201420101531.5U patent/CN203858429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158939A (en) * | 2015-09-14 | 2015-12-16 | 武汉华星光电技术有限公司 | Attaching method and assembly for backlight power supply welding disk and backlight golden finger |
| CN105118384A (en) * | 2015-09-28 | 2015-12-02 | 武汉华星光电技术有限公司 | Display device and display panel thereof |
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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 |
Granted publication date: 20141001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |