CN200983055Y - Backlight module assembly and LCD - Google Patents
Backlight module assembly and LCD Download PDFInfo
- Publication number
- CN200983055Y CN200983055Y CN 200620016205 CN200620016205U CN200983055Y CN 200983055 Y CN200983055 Y CN 200983055Y CN 200620016205 CN200620016205 CN 200620016205 CN 200620016205 U CN200620016205 U CN 200620016205U CN 200983055 Y CN200983055 Y CN 200983055Y
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- CN
- China
- Prior art keywords
- module backlight
- moulding
- locating convex
- blade
- sidewalls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a backlight module and a liquid crystal display device employing the backlight module. The backlight module comprises a framework, a light conducting plate and at least two independent strip-type drum spokes, wherein the framework comprises a plurality of side walls and a floor, and the side walls respectively comprises a plurality of first positioning components with the floor to form a take-in room. The light conducting plate is taken in the take-in room. The at least two independent strip-type drum spokes respectively comprises a plurality of second positioning components. The second positioning components are corresponded with the first positioning components to fix the drum spokes in the side walls. The utility model can reduce the cost of producing the backlight modules.
Description
Technical field
The utility model relates to a kind of module backlight and adopts the liquid crystal indicator of this module backlight.
Background technology
Because liquid crystal panel is a kind of non-self light-emitting display device, for reaching the demonstration purpose, need provide a planar light source device in order to realizing its Presentation Function to liquid crystal panel, module for example backlight, its function is to provide brightness fully and the planar light that is evenly distributed to liquid crystal panel.
Seeing also Fig. 1, is the three-dimensional exploded view of a kind of prior art module backlight.This module 10 backlight comprises a glue frame 12, a light guide plate 14, a light source 16 and a metal frame 18.
This glue frame 12 comprises four the first side walls 122 and a location-plate 124.This four the first side wall 122 joins end to end successively and forms first space (indicate) of an annular.This location-plate 124 also is an annular, and vertically extends in this first space from the inside surface (not indicating) of this first side wall 122, is used for locating this light guide plate 14 and this light source 16.A plurality of locating convex blocks 126 stretch out from the outside surface (not indicating) of this first side wall 122 respectively.
This light guide plate 14 comprises an incidence surface 142, an exiting surface 144 and a bottom surface 146.This exiting surface 144 is parallel to each other with this bottom surface 146, and respectively with these 142 vertical linking to each other of incidence surface.
This metal frame 18 comprises 4 second sidewalls 182 and a base plate 184.This 4 second sidewall 182 extends upward from the edge-perpendicular of this base plate 184 respectively, and forms one second space (not indicating) in order to accommodate this light guide plate 14 and this light source 16.This second sidewall 182 comprises a plurality of pilot holes 186 respectively, and these a plurality of pilot holes 186 correspond respectively to a plurality of locating convex blocks 126 of this first side wall 122.
After these module 10 assemblings backlight, the incidence surface 142 of these light source 16 adjacent these light guide plate 14 is provided with, and be housed in this metal frame 18 base plate 184 of bottom surface 146 adjacent these metal frames 18 of this light guide plate 14, the location-plate 124 of exiting surface 144 adjacent these glue frames 12 of this light guide plate 14 together.This glue frame 12 is fastened in this metal frame 18, and the locating convex block 126 of this first side wall 122 is fixed with the pilot hole 186 of this second sidewall 182 respectively.
Yet this glue frame 12 is hollow structures of one ejection formation, and in forming process, the area of the shared mould of hollow part is bigger, therefore often needs bigger mould make this glue frame 12, makes that the manufacturing cost of this glue frame 12 is higher.Whether in addition, this glue frame 12 needs to increase by one and detects operation after moulding, and the distance of 122 of the first side walls of this glue frame 12 is detected, can lock within this metal frame 18 in order to determine it.
The utility model content
In order to solve prior art module manufacturing cost backlight problem of higher, be necessary the module backlight that provides a kind of manufacturing cost lower.
The liquid crystal indicator that provides a kind of manufacturing cost lower also is provided.
A kind of module backlight, it comprises independently bar shaped moulding of a framework, a light guide plate and at least two.This framework comprises a plurality of sidewalls and a base plate, and these a plurality of sidewalls and base plate form a receiving space, and these a plurality of sidewalls comprise a plurality of first setting elements respectively.This light guide plate is housed in this receiving space.This at least two independently the bar shaped moulding comprise a plurality of second setting elements respectively.These a plurality of second setting elements match with these a plurality of first setting elements this moulding are fixed in this sidewall.
A kind of liquid crystal indicator, it comprises the module backlight of a liquid crystal panel and adjacent this liquid crystal panel.This module backlight comprises independently bar shaped moulding of a framework, a light guide plate and at least two.This framework comprises a plurality of sidewalls and a base plate, and these a plurality of sidewalls and base plate form a receiving space, and these a plurality of sidewalls comprise a plurality of first setting elements respectively.This light guide plate is housed in this receiving space.This at least two independently the bar shaped moulding comprise a plurality of second setting elements respectively.These a plurality of second setting elements match with these a plurality of first setting elements this moulding are fixed in this sidewall.
Compared with prior art, at least two mouldings of this module backlight and liquid crystal indicator are respectively absolute construction, can this moulding of independent moulding, only need the smaller mould of an area when making this moulding, and can reduce manufacturing cost largely.In addition, this at least two moulding is the difference independent structures, does not need to detect the detection operation apart from size between moulding, further reduces cost.
Description of drawings
Fig. 1 is the three-dimensional exploded view of a kind of prior art module backlight.
Fig. 2 is this three-dimensional exploded view of creating module one better embodiment backlight.
Fig. 3 is an III enlarged diagram partly among Fig. 2.
Fig. 4 is the schematic perspective view at first another visual angle of moulding among Fig. 2.
Fig. 5 is a V enlarged diagram partly among Fig. 2.
Fig. 6 is a VI enlarged diagram partly among Fig. 2.
Fig. 7 is a VII enlarged diagram partly among Fig. 2.
Fig. 8 is the synoptic diagram after the module backlight among Fig. 2 is assembled.
Fig. 9 is the synoptic diagram of this creation liquid crystal indicator one better embodiment.
Embodiment
Seeing also Fig. 2, is this three-dimensional exploded view of creating module one better embodiment backlight.This module 20 backlight comprises a light guide plate 22, a light source 23, a pair of first moulding 25, a pair of second moulding 26 and a framework 24.
This light guide plate 22 is rectangular structure, and it comprises an incidence surface 222, an exiting surface 224 and a bottom surface 226.This exiting surface 224 is parallel to each other with this bottom surface 226, and respectively with these 222 vertical linking to each other of incidence surface.
This light source 23 is strip sources, its be cold cathode fluorescent lamp (Cold CathodeFluorescent Lamp, CCFL), also can be a plurality of bar shaped arrangements or arranged light emitting diode (Light Emitting Diode, LED).
This first moulding 25 and this second moulding 26 are respectively strip structures independently.This first moulding 25 is plastics with the material of this second moulding 26, for example polycarbonate (Polycarbonate, PC).
See also Fig. 3 and Fig. 4, Fig. 3 is an III enlarged diagram partly among Fig. 2, and Fig. 4 is the schematic perspective view at first moulding shown in Figure 2,25 another visual angles.The xsect of this first moulding 25 is L shaped, and it comprises one first blade 251 and one second blade 252.This first blade 251 and these 252 vertical linking to each other of second blade.This first moulding 25 has the raised line 254 of a plurality of strips at this first blade 251 and the inwall of these second blade, 252 connecting places, has an intersection 253 at the outer wall of connecting place.This raised line 254 is in order to strengthen the structural strength of this first moulding 25.This first blade 251 comprises a plurality of first pilot holes 255 and a plurality of second pilot holes 256, and this first pilot hole 255 apart from the distance of this intersection 253 greater than the distance of this second pilot hole 256 apart from this intersection 253.This second blade 252 comprises that a plurality of the 3rd pilot hole 257, the three pilot holes 257 are arranged between the two adjacent raised lines 254.
Seeing also Fig. 5, is V enlarged diagram partly among Fig. 2.The xsect of this second moulding 26 also is L shaped, and its length is greater than this first moulding 25.This second moulding 26 comprises one the 3rd blade 261 and a quaterfoil 262, and the 3rd blade 261 and these 262 vertical linking to each other of quaterfoil.This second moulding 26 has an intersection 263 at the outer wall of the 3rd blade 261 and the 3rd blade 262 connecting places.The 3rd blade 261 comprises a plurality of the 4th pilot holes 264 and a plurality of the 5th pilot holes 265, and the 4th pilot hole 264 apart from the distance of this intersection 263 greater than the distance of the 5th pilot hole 265 apart from this intersection 263.This quaterfoil 262 comprises a plurality of the 6th pilot holes 266.
This framework 24 comprises a pair of the first side wall 27, a pair of second sidewall 28 and a base plate 242.This first side wall 27 extends upward from the edge-perpendicular of this base plate 242 respectively with this second sidewall 28, and forms a receiving space (not indicating).This first side wall 27 is separated from each other with this second sidewall 28, and identical with respect to the height of this base plate 242.
Seeing also Fig. 6, is VI enlarged diagram partly among Fig. 2.A plurality of first locating convex blocks 271 and second locating convex block 272 stretch out from the outside surface 270 of this first side wall 27 respectively, and this first locating convex block 271 corresponds respectively to first pilot hole 255 of this first moulding 25, and this second locating convex block 272 corresponds respectively to second pilot hole 256 of this first moulding 25.A plurality of the 3rd locating convex blocks 273 extend upward from the upper surface 274 of this first side wall 27 respectively, and correspond respectively to the 3rd pilot hole 257 of this first moulding 25.
Seeing also Fig. 7, is VII enlarged diagram partly among Fig. 2.This second sidewall 28 is comparatively similar to this first side wall 27.A plurality of the 4th locating convex blocks 281 stretch out from the outside surface 280 of this second sidewall 28 respectively with a plurality of the 5th locating convex blocks 282, a plurality of the 6th locating convex blocks 283 extend upward from the upper surface 284 of this second sidewall 28 respectively, and the 4th locating convex block 281 corresponds respectively to the 4th pilot hole 264 of this second moulding 26, the 5th locating convex block 282 corresponds respectively to the 5th pilot hole 265, the six of this second moulding 26 and locatees the 6th pilot hole 266 that 283 projections correspond respectively to this second moulding 26.The material of this framework 24 can be aluminium, iron, magnesium or alloy.
Seeing also Fig. 8, is the schematic perspective view after these module 20 assemblings backlight.The incidence surface 222 of these light source 23 adjacent these light guide plate 22 is provided with, and is housed in together in this framework 24.
The 3rd blade 261 of this second moulding 26 and outside surface 280 butts of this second sidewall 28, this quaterfoil 262 and these light guide plate 22 part butts.The 4th pilot hole 264, the 5th pilot hole 265 lay respectively on vertical the 3rd blade 261 and this quaterfoil 262 that links to each other with the 6th pilot hole 266, it engages mutually with the 6th locating convex block 283 with the 4th locating convex block 281, the 5th locating convex block 282 respectively and forms a firm three-legged structure, this second moulding 26 is fixed on the framework 24 guaranteeing, and blocks one side of this light guide plate 22.
When making first moulding 25 of this module 20 backlight and second moulding 26, can distinguish independent ejection formation, only need the smaller mould of an area, can reduce its manufacturing cost largely.In addition, this first moulding 25 and second moulding 26 are absolute construction, do not need to detect between the moulding apart from the detection operation of size, further reduce manufacturing cost.Therefore, the manufacturing cost of this module 20 backlight is lower.
Seeing also Fig. 9, is the synoptic diagram of this creation liquid crystal indicator one better embodiment, and this liquid crystal indicator 1 comprises the liquid crystal panel 29 that an above-mentioned module backlight 20 and adjacent this module 20 backlight are provided with.Adopt the manufacturing cost of liquid crystal indicator 1 of this module 20 backlight also lower.
Yet it is described that this creation is not limited to above-mentioned embodiment, and for example: each length to moulding also can be different with structure, as long as moulding can match with the sidewall of framework.This module backlight can include only a pair of first moulding or a pair of second moulding.This module backlight also can include only a pair of first moulding and one second moulding or one first moulding and a pair of second moulding.This light guide plate can be a square structure, hexgonal structure or other needed structure.The structure of this first moulding and length can be with identical with the structure and the length of this second moulding, or the structure of this second moulding can be identical with the structure and the length of this first moulding with length.
Claims (10)
1. module backlight, it comprises a framework and a light guide plate, this framework comprises a plurality of sidewalls and a base plate, these a plurality of sidewalls and base plate form a receiving space, and these a plurality of sidewalls comprise a plurality of first setting elements respectively, this light guide plate is housed in this receiving space, it is characterized in that: this module backlight comprises at least two bar shaped mouldings independently, this at least two independently the bar shaped moulding comprise a plurality of second setting elements respectively, these a plurality of second setting elements match with these a plurality of first setting elements this moulding are fixed in this sidewall.
2. module backlight as claimed in claim 1 is characterized in that: these a plurality of mouldings comprise one first blade and one second blade respectively, this first blade and this sidewall butt, the edge butt of this second blade and this light guide plate.
3. module backlight as claimed in claim 2, it is characterized in that: these a plurality of second setting elements comprise a plurality of first pilot holes, a plurality of second pilot hole and a plurality of the 3rd pilot hole, these a plurality of first pilot holes are positioned on this first blade with these a plurality of second pilot holes, and these a plurality of the 3rd pilot holes are positioned on this second blade.
4. module backlight as claimed in claim 3, it is characterized in that: these a plurality of first setting elements comprise a plurality of first locating convex blocks, a plurality of second locating convex block and a plurality of the 3rd locating convex block, and these a plurality of first locating convex blocks, these a plurality of second locating convex blocks and this a plurality of the 3rd locating convex blocks are corresponding with these a plurality of first pilot holes, these a plurality of second pilot holes and this a plurality of the 3rd pilot holes respectively.
5. module backlight as claimed in claim 4, it is characterized in that: these a plurality of sidewalls comprise an outside surface and a upper surface respectively, these a plurality of first locating convex blocks stretch out from the outside surface of these a plurality of sidewalls respectively with these a plurality of second locating convex blocks, and these a plurality of the 3rd locating convex blocks stretch out from the upper surface of these a plurality of sidewalls respectively.
6. module backlight as claimed in claim 1 is characterized in that: these a plurality of sidewalls are separated from each other.
7. module backlight as claimed in claim 1 is characterized in that: this light guide plate comprises an incidence surface.
8. module backlight as claimed in claim 7 is characterized in that: this module backlight further comprises a light source, and this light source and this light guide plate are housed in this receiving space in the lump.
9. module backlight as claimed in claim 8 is characterized in that: adjacent this incidence surface of this light source is provided with.
10. liquid crystal indicator, it comprises a module backlight and a liquid crystal panel, it is characterized in that: this module backlight is the described module backlight of any claim in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620016205 CN200983055Y (en) | 2006-12-01 | 2006-12-01 | Backlight module assembly and LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620016205 CN200983055Y (en) | 2006-12-01 | 2006-12-01 | Backlight module assembly and LCD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200983055Y true CN200983055Y (en) | 2007-11-28 |
Family
ID=38910211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620016205 Expired - Lifetime CN200983055Y (en) | 2006-12-01 | 2006-12-01 | Backlight module assembly and LCD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200983055Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639183B (en) * | 2009-08-25 | 2011-01-05 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display device |
| CN101737735B (en) * | 2010-01-15 | 2012-07-04 | 友达光电股份有限公司 | Backlight module and adhesive frame structure thereof |
| WO2013007047A1 (en) * | 2011-07-08 | 2013-01-17 | 深圳市华星光电技术有限公司 | Liquid crystal module and liquid crystal display |
| CN101988993B (en) * | 2009-07-30 | 2013-05-22 | 瀚宇彩晶股份有限公司 | Liquid crystal display device |
| CN103712173A (en) * | 2013-12-23 | 2014-04-09 | 京东方科技集团股份有限公司 | Back plate and backlight source |
| US8704970B2 (en) | 2011-07-08 | 2014-04-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal module and liquid crystal display |
| CN104346996A (en) * | 2013-07-24 | 2015-02-11 | 深圳富泰宏精密工业有限公司 | Display screen frame module and manufacturing method thereof |
| CN104680937A (en) * | 2013-11-30 | 2015-06-03 | 深圳富泰宏精密工业有限公司 | Display screen device, electronic device and manufacturing method thereof |
| DE112012006400B4 (en) * | 2012-05-21 | 2020-12-31 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and corresponding liquid crystal display |
-
2006
- 2006-12-01 CN CN 200620016205 patent/CN200983055Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988993B (en) * | 2009-07-30 | 2013-05-22 | 瀚宇彩晶股份有限公司 | Liquid crystal display device |
| CN101639183B (en) * | 2009-08-25 | 2011-01-05 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display device |
| CN101737735B (en) * | 2010-01-15 | 2012-07-04 | 友达光电股份有限公司 | Backlight module and adhesive frame structure thereof |
| WO2013007047A1 (en) * | 2011-07-08 | 2013-01-17 | 深圳市华星光电技术有限公司 | Liquid crystal module and liquid crystal display |
| US8704970B2 (en) | 2011-07-08 | 2014-04-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal module and liquid crystal display |
| DE112012006400B4 (en) * | 2012-05-21 | 2020-12-31 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and corresponding liquid crystal display |
| CN104346996A (en) * | 2013-07-24 | 2015-02-11 | 深圳富泰宏精密工业有限公司 | Display screen frame module and manufacturing method thereof |
| CN104680937A (en) * | 2013-11-30 | 2015-06-03 | 深圳富泰宏精密工业有限公司 | Display screen device, electronic device and manufacturing method thereof |
| CN103712173A (en) * | 2013-12-23 | 2014-04-09 | 京东方科技集团股份有限公司 | Back plate and backlight source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071128 |
|
| EXPY | Termination of patent right or utility model |