CN201281267Y - Backlight module and backlight liquid crystal television - Google Patents
Backlight module and backlight liquid crystal television Download PDFInfo
- Publication number
- CN201281267Y CN201281267Y CNU2008201754576U CN200820175457U CN201281267Y CN 201281267 Y CN201281267 Y CN 201281267Y CN U2008201754576 U CNU2008201754576 U CN U2008201754576U CN 200820175457 U CN200820175457 U CN 200820175457U CN 201281267 Y CN201281267 Y CN 201281267Y
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- Prior art keywords
- power supply
- circuit board
- printed circuit
- backlight
- pcb
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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.)
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000001795 light effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a backlight module and a backlight liquid crystal television, which relates to the backlight liquid crystal display field, and is designed for solving the problem of preventing a power supply lead wire from influencing the light mixing effect of a backlight source. The backlight module comprises a rear housing on which a printed circuit board is arranged, the backlight source is arranged on the printed circuit board, a power supply terminal electrically connected with the backlight source is also arranged on the printed circuit board, and a via hole is arranged on the rear housing near the position of the power supply terminal. The backlight liquid crystal television adopts the backlight module. The utility model is applied to a backlight liquid crystal display device.
Description
Technical field
The utility model relates to a kind of backlight module, relates in particular to the power supply lead wire of backlight module.
Background technology
At present, LCD (LCD) has become the main flow in FPD field.Because liquid crystal itself is not luminous, so LCD need realize that transmission or reflection show by external light source.Existing LCD great majority are transmission-types, and for these transmission-types LCD, backlight is indispensable part.With respect to traditional CCFL (CCFL), be advantages such as the backlight module of light source has that color reducibility is good, power saving, good environmental adaptability, pollution are little with LED (light emitting diode, light emitting diode).Adopt the LCD of LED-backlit can show chromatic colour more, its color rendition scope can reach more than 105% of NTSC, be higher than far away CCFL backlight 75%.As the light source of full curing, LED has very strong environmental suitability.
As shown in Figure 1, the traditional backlight module, comprise back cover 3, on described back cover 3, be provided with printed circuit board (PCB) 2, on described printed circuit board (PCB) 2, be laid with backlight 1, as the LED lamp, on described printed circuit board (PCB) 2, also be provided with the power supply terminal 4 that is electrically connected with described backlight 1, described power supply terminal 4 is connected with power supply lead wire 5.In the traditional backlight module, the printed circuit board power lead-in wire is from circuit board is positive and introduces, and adopts the method to introduce power supply lead wire, can bring influence to the mixed light effect of backlight, and promptly power supply lead wire can the occlusion part beam split.
The utility model content
A technical problem to be solved in the utility model is to provide a kind of backlight module, can avoid power supply lead wire to influence the mixed light effect of backlight.
For solving the problems of the technologies described above, the technical scheme that the utility model backlight module adopts is:
A kind of backlight module, comprise back cover, on described back cover, be provided with printed circuit board (PCB), on described printed circuit board (PCB), be laid with backlight, also be provided with the power supply terminal that is electrically connected with described backlight on described printed circuit board (PCB), the position near described power supply terminal on the described back cover offers via hole.
Wherein, described power supply terminal is the plug-in type terminal, is located at the back side of described printed circuit board (PCB), and stretches out from described via hole.
Described plug-in type terminal is located at the dorsal edge place of described printed circuit board (PCB).
Alternatively, described power supply terminal is the patch-type terminal, is located at the back side of described printed circuit board (PCB), and is arranged in described via hole.
Described patch-type terminal is located at the dorsal edge place of described printed circuit board (PCB).
Described power supply terminal is the patch-type terminal, is located at the front edge place of described printed circuit board (PCB).
Further, described power supply terminal is electrically connected with power supply lead wire, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal, and described backlight is LED lamp or CCFL.
Described power supply terminal is electrically connected with power supply lead wire, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal, and wherein, described power supply lead wire is a flexible flat cable.
The utility model backlight module, because the position near power supply terminal on back cover offers via hole, power supply lead wire can be electrically connected with described power supply terminal by described via hole, thus, can realize introducing power supply lead wire, thereby can avoid power supply lead wire to influence the mixed light effect of backlight from the rear side of backlight module.
Another technical problem to be solved in the utility model is to provide a kind of LCD TV backlight, can avoid power supply lead wire to influence the mixed light effect of backlight.
For solving the problems of the technologies described above, the technical scheme that the utility model LCD TV backlight adopts is:
A kind of LCD TV backlight, comprise backlight module, wherein, described backlight module comprises back cover, on described back cover, be provided with printed circuit board (PCB), on described printed circuit board (PCB), be laid with LED lamp or CCFL, on described printed circuit board (PCB), also be provided with the power supply terminal that is electrically connected with described LED lamp or CCFL, described power supply terminal is electrically connected with power supply lead wire, position near described power supply terminal on the described back cover offers via hole, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal.
Wherein, described power supply terminal is the plug-in type terminal, is located at the back side of described printed circuit board (PCB), and stretches out from described via hole, and perhaps, described power supply terminal is the patch-type terminal, is located at the edge at the front or the back side of described printed circuit board (PCB).
The utility model LCD TV backlight, because the position near power supply terminal on the back cover of backlight module offers via hole, power supply lead wire can be electrically connected with described power supply terminal by described via hole, thus, can realize introducing power supply lead wire, thereby can avoid power supply lead wire to influence the mixed light effect of LED or CCFL from the rear side of backlight module.
Description of drawings
Fig. 1 is for being connected with the structural representation of the backlight module of power supply lead wire in the prior art;
Fig. 2 is connected with the structural representation of backlight module first embodiment of power supply lead wire for the utility model;
Fig. 3 is connected with the structural representation of backlight module second embodiment of power supply lead wire for the utility model;
Fig. 4 is connected with the structural representation of backlight module the 3rd embodiment of power supply lead wire for the utility model.
The specific embodiment
The utility model aims to provide a kind of backlight module and the LCD TV backlight that can avoid the mixed light effect that power supply lead wire influences backlight.Below in conjunction with drawings and Examples the utility model is described in detail.
The utility model backlight module, comprise back cover, on described back cover, be provided with printed circuit board (PCB), on described printed circuit board (PCB), be laid with backlight, also be provided with the power supply terminal that is electrically connected with described backlight on described printed circuit board (PCB), the position near described power supply terminal on the described back cover offers via hole.
The utility model backlight module, because the position near power supply terminal on back cover offers via hole, power supply lead wire can be electrically connected with described power supply terminal by described via hole, thus, can realize introducing power supply lead wire, thereby can avoid power supply lead wire to influence the mixed light effect of backlight from the rear side of backlight module.
In the utility model backlight module, described backlight can adopt the LED lamp, also can adopt CCFL (CCFL), is that backlight is that example specifies with the LED lamp below.
Embodiment one
As shown in Figure 2, the utility model embodiment LED-backlit module, comprise back cover 3, on described back cover 3, be pasted with printed circuit board (PCB) 2, on described printed circuit board (PCB) 2, be laid with LED lamp 1, the back side at described printed circuit board (PCB), it is the face that fits with described back cover on the printed circuit board (PCB), be provided with the plug-in type terminal 4 that is electrically connected with described LED lamp, position near described plug-in type terminal on the described back cover offers via hole 6, the described dorsad printed circuit board (PCB) of the interface of described plug-in type terminal 4, and from the via hole 6 of described back cover, stretch out, can either avoid power supply lead wire to influence the mixed light effect of LED like this, can make things convenient for the plug of power supply lead wire again.
Further, for the ease of design, described plug-in type terminal 4 is located at the dorsal edge place of described printed circuit board (PCB) 2.
Embodiment two
As shown in Figure 3, the utility model embodiment LED-backlit module, comprise back cover 3, on described back cover 3, be pasted with printed circuit board (PCB) 2, on described printed circuit board (PCB) 2, be laid with LED lamp 1, front edge place at described printed circuit board (PCB) 2, be the edge that lays the face of LED lamp 1 on the described printed circuit board (PCB) 2, be provided with the patch-type terminal 4 that is electrically connected with described LED lamp, the position near described patch-type terminal on the described back cover offers via hole 6.
Embodiment three
As shown in Figure 4, the utility model embodiment LED-backlit module, comprise back cover 3, on described back cover, be pasted with printed circuit board (PCB) 2, on described printed circuit board (PCB) 2, be laid with LED lamp 1, at the back side of described printed circuit board (PCB) 2, i.e. the face that fits with described back cover 3 on the printed circuit board (PCB) 2, be provided with the patch-type terminal 4 that is electrically connected with described LED lamp, position near described patch-type terminal 4 on the described back cover 3 offers via hole 6, and described patch-type terminal 4 is arranged in described via hole 6.
Further, for the ease of design, described patch-type terminal 4 is located at the dorsal edge place of described printed circuit board (PCB) 2.
In the various embodiments described above, described power supply terminal is electrically connected with power supply lead wire 5, and described power supply lead wire 5 passes described via hole 6 and is electrically connected with described power supply terminal.Because power supply lead wire 5 is the via holes 6 that pass on the LED-backlit module back cover 3, introduce from printed circuit board (PCB) 2 rear sides, can avoid power supply lead wire 5 occlusion part beam split.
In embodiment two and embodiment three, power supply lead wire 5 adopts FFC lead-in wire (flexible flat cable), and the FFC lead-in wire is drawn from the via hole 6 of back cover 3 corresponding positions because its softness can fold to the printed circuit board (PCB) rear side.
The utility model also provides a kind of LCD TV backlight, comprise backlight module, wherein, described backlight module comprises back cover, on described back cover, be provided with printed circuit board (PCB), on described printed circuit board (PCB), be laid with LED lamp or CCFL, on described printed circuit board (PCB), also be provided with the power supply terminal that is electrically connected with described LED lamp or CCFL, described power supply terminal is electrically connected with power supply lead wire, position near described power supply terminal on the described back cover offers via hole, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal.
Wherein, described power supply terminal is the plug-in type terminal, is located at the back side of described printed circuit board (PCB), and stretches out from described via hole, and perhaps, described power supply terminal is the patch-type terminal, is located at the edge at the front or the back side of described printed circuit board (PCB).
The utility model backlight module and LCD TV backlight, because the position near power supply terminal on the back cover of backlight module offers via hole, power supply lead wire can be electrically connected with described power supply terminal by described via hole, thus, can realize introducing power supply lead wire, thereby can avoid power supply lead wire to influence the mixed light effect of backlight from the rear side of backlight module.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1, a kind of backlight module, comprise back cover, on described back cover, be provided with printed circuit board (PCB), on described printed circuit board (PCB), be laid with backlight, also be provided with the power supply terminal that is electrically connected with described backlight on described printed circuit board (PCB), it is characterized in that: the position near described power supply terminal on the described back cover offers via hole.
2, according to the described backlight module of claim 1, it is characterized in that: described power supply terminal is the plug-in type terminal, is located at the back side of described printed circuit board (PCB), and stretches out from described via hole.
3, according to the described backlight module of claim 2, it is characterized in that: described plug-in type terminal is located at the dorsal edge place of described printed circuit board (PCB).
4, according to the described backlight module of claim 1, it is characterized in that: described power supply terminal is the patch-type terminal, is located at the back side of described printed circuit board (PCB), and is arranged in described via hole.
5, according to the described backlight module of claim 4, it is characterized in that: described patch-type terminal is located at the dorsal edge place of described printed circuit board (PCB).
6, according to the described backlight module of claim 1, it is characterized in that: described power supply terminal is the patch-type terminal, is located at the front edge place of described printed circuit board (PCB).
7, according to each described backlight module of claim 1 to 6, it is characterized in that: described power supply terminal is electrically connected with power supply lead wire, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal, and described backlight is LED lamp or CCFL.
8, according to claim 4,5 or 6 described backlight modules, it is characterized in that: described power supply terminal is electrically connected with power supply lead wire, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal, and wherein, described power supply lead wire is a flexible flat cable.
9, a kind of LCD TV backlight, comprise backlight module, wherein, described backlight module comprises back cover, on described back cover, be provided with printed circuit board (PCB), on described printed circuit board (PCB), be laid with LED lamp or CCFL, on described printed circuit board (PCB), also be provided with the power supply terminal that is electrically connected with described LED lamp or CCFL, described power supply terminal is electrically connected with power supply lead wire, it is characterized in that: the position near described power supply terminal on the described back cover offers via hole, and described power supply lead wire passes described via hole and is electrically connected with described power supply terminal.
10, LCD TV backlight according to claim 9, it is characterized in that: described power supply terminal is the plug-in type terminal, be located at the back side of described printed circuit board (PCB), and from described via hole, stretch out, perhaps, described power supply terminal is the patch-type terminal, is located at the edge at the front or the back side of described printed circuit board (PCB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201754576U CN201281267Y (en) | 2008-11-06 | 2008-11-06 | Backlight module and backlight liquid crystal television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201754576U CN201281267Y (en) | 2008-11-06 | 2008-11-06 | Backlight module and backlight liquid crystal television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281267Y true CN201281267Y (en) | 2009-07-29 |
Family
ID=40928141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201754576U Expired - Fee Related CN201281267Y (en) | 2008-11-06 | 2008-11-06 | Backlight module and backlight liquid crystal television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201281267Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901002B (en) * | 2011-07-25 | 2017-06-30 | 精工爱普生株式会社 | Lighting device, display device and electronic equipment |
-
2008
- 2008-11-06 CN CNU2008201754576U patent/CN201281267Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901002B (en) * | 2011-07-25 | 2017-06-30 | 精工爱普生株式会社 | Lighting device, display device and electronic equipment |
| US9726812B2 (en) | 2011-07-25 | 2017-08-08 | Seiko Epson Corporation | Illumination apparatus, display apparatus, and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20121106 |