CN2914135Y - Split-type source die set of liquid crystal die set - Google Patents
Split-type source die set of liquid crystal die set Download PDFInfo
- Publication number
- CN2914135Y CN2914135Y CNU2006201176543U CN200620117654U CN2914135Y CN 2914135 Y CN2914135 Y CN 2914135Y CN U2006201176543 U CNU2006201176543 U CN U2006201176543U CN 200620117654 U CN200620117654 U CN 200620117654U CN 2914135 Y CN2914135 Y CN 2914135Y
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- light source
- split type
- heat sink
- type light
- 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 - Fee Related
Links
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model relates to a split type light module of liquid crystal module, comprising a back light cooling device including a plurality of light diode wafers, above which a conducting layer is provided, and a cooling plate, on which the light diode wafers are positioned. The cooling plate comprises a plurality of cooling plate elements, each of which has a convex or concave setting on its junction surface. The plurality of cooling plate elements joint into a lager-area cooling plate provided with a cooling device. Making the back light plate from the split light diodes by jointing raises the usage ratio of the liquid crystal modules, decreases waste and improves the economic benefits of making liquid crystal modules.
Description
Technical field:
The utility model relates to a kind of liquid crystal module, is meant a kind of backlight that the preferable radiating effect of liquid crystal module can be provided especially, and can be convenient amalgamation assembling and promote that it is made, the split type light source module of the liquid crystal module of utilization ratio.
Background technology:
Known liquid crystal module structure as shown in Figure 1, this liquid crystal module 90 includes a liquid crystal panel 91, light diffusing sheet 92 and backlight 93, wherein this backlight 93 is made up of plural cold-cathode tube (CCFL), the light that this cold-cathode tube throwed enters this liquid crystal panel 91 after these light diffusing sheet 92 diffusions, with the source backlight as liquid crystal module 90.
Though aforementioned these known liquid crystal module 90 set cold-cathode tubes can provide source backlight,, higher image quality that this liquid crystal module 90 is desired to present is obviously formed a kind of obstacle because the color saturation that cold-cathode tube presented is lower.And be to solve this to ask, be to have to utilize light-emittingdiode (LED) to replace cold-cathode tube and as the backlight of liquid crystal module, though its color saturation of the light that light-emittingdiode throwed is height than cold-cathode tube, but the thermal diffusivity of light-emittingdiode is relatively poor, heat build-up forms higher temperature easily, running and life-span to liquid crystal panel will impact, and the light uniformity coefficient of light-emittingdiode is also relatively poor, if greatly increase the distributed number of light-emittingdiode, also can increase its cost of manufacture and be not inconsistent economic benefit or unfavorable market competition.Moreover, because made TV of liquid crystal module or screen making at present (as 4: 3 or 16: 9 etc.) with different Aspect Ratios, and its size dimension kind is also quite a lot of, therefore working as liquid crystal module 90 cuts to make different proportion, when the TV of size or screen, it is the waste that causes suitable liquid crystal module 90 materials, it is made economic benefit produces serious influence, therefore, how at the liquid crystal module that is applied to of light-emittingdiode, and can solve its heat radiation and light uniformity coefficient problem in the lump, and take into account the economy of its manufacturing, really be that an industry or a person of noble aspirations should further think deeply again, make great efforts the important topic of breakthrough.
Do not attain the desirable fact in view of the foregoing liquid crystal module on its shortcoming used and the structural design thereof, this case creator promptly sets about its solution of research and development design, hope can be developed a kind of split type liquid crystal module that has more quality and economy, popular and promote the development of this industry with service society, satisfying through for a long time design has generation of the present utility model.
Novel content:
The purpose of this utility model is that a kind of split type light source module of liquid crystal module is being provided, it is to utilize splitting mode to assemble the backlight that light-emittingdiode makes, with the utilization factor that improves liquid crystal module and cut the waste, and then actively promote the making economic benefit of liquid crystal module.
A purpose more of the present utility model is that a kind of split type light source module of liquid crystal module is being provided, it is to utilize light-emittingdiode as backlight, with the color saturation of raising liquid crystal module, and have splendid heat sinking function, and then actively promote the image quality person of liquid crystal module.
Another purpose of the present utility model is to provide a kind of split type light source module of liquid crystal module, its can effectively improve light-emittingdiode the light uniformity coefficient and as the backlight person of liquid crystal module the best.
The utility model is to reach the technological means that above-mentioned purpose adopts, mainly include a heat abstractor backlight, this heat abstractor backlight includes a plural LED Chips for Communication and a heat sink, this LED Chips for Communication is located on this heat sink, the top of this LED Chips for Communication is provided with a conductive layer, this heat sink is made up of plural cooling plate unit, the junction of this cooling plate unit has the setting of a protuberance or recess, this cooling plate unit winding of mat becomes this larger area heat sink, and this heat sink is provided with a heat abstractor.
The technological means that the split type light source module of a kind of liquid crystal module of the utility model is adopted also can include a heat sink, this heat sink is made up of plural cooling plate unit, the junction of this two adjacent cooling plate unit has the snap fastener of being connected with group, and further is provided with backlight on this cooling plate unit.
Description of drawings:
Fig. 1 is the structural representation of known liquid crystal module;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the structural representation of the utility model cooling plate unit;
Fig. 3 A is the circuit diagram that the utility model RGB look light-emittingdiode is provided with;
Fig. 4 is the structural representation of the utility model LED Chips for Communication;
Fig. 5 is that the conductive layer of the utility model LED Chips for Communication is provided with the perforation synoptic diagram;
Fig. 6 is the utility model second example structure synoptic diagram;
Fig. 7 A is the utility model heat abstractor second embodiment synoptic diagram;
Fig. 7 B is the utility model heat abstractor the 3rd embodiment synoptic diagram;
Fig. 7 C is the utility model heat abstractor the 4th embodiment synoptic diagram;
Fig. 7 D is the utility model heat abstractor the 5th embodiment synoptic diagram;
The figure number explanation:
90 liquid crystal module, 91 liquid crystal panels
92 light diffusing sheets, 93 backlights
10 liquid crystal panels, 20 light diffusing sheets
30 heat abstractor 31 LED Chips for Communication backlight
32 circuit layers, 35 heat sinks
353 heat abstractors, 33 insulation courses
350 cooling plate unit, 351 protuberances
36 recess frames, 361 recesses
362 protuberances, 313 red light-emitting diodes
314 green luminescence diodes, 315 blue light emitting diodes
34 conductive layers, 311 first wavefront
341 perforation, 312 second wavefront
351 ' protuberance, 352 ' recess
350 ' cooling plate unit, 352 recesses
The netted cooling pad of 354 groove 353A
353B metal piercing net 353C cooling heat dissipation pipe
Embodiment:
For making the auditor further understanding and understanding more be arranged to technical characterictic of the present utility model and the effect reached, sincerely help with preferred embodiment figure and cooperate detailed explanation, illustrate as the back:
See also Fig. 2, the utility model liquid crystal module 100 includes a liquid crystal panel 10, light diffusing sheet 20 and heat abstractor backlight 30; This light diffusing sheet 20 is located at the follow-up position of this liquid crystal panel 10, in order to the diffusion of the light of backlight and as the illumination source of these liquid crystal panel 10 runnings, and this heat abstractor 30 backlight is located at the follow-up position of this light diffusing sheet 20, this heat abstractor 30 backlight further includes plural LED Chips for Communication 31, a circuit layer 32, a heat sink 35 and a heat abstractor 353, this LED Chips for Communication 31 (LED Chip) is located on the circuit of this circuit layer 32, and this LED Chips for Communication 31 also can the packing forms setting; These circuit layer 32 rears are provided with an insulation course 33, in order to the circuit layer 32 of isolated heat sink 35 with these light-emittingdiode 31 bindings; This heat sink 35 is located at the follow-up position of this insulation course 33, heat radiation as heat, this heat sink 35 includes plural cooling plate unit 350, this cooling plate unit 350 has the recess 352 (seeing also Fig. 3 A) of a protuberance 351 and this protuberance 351 corresponding sides, but the protuberance 351 of the therefore adjacent adjacent correspondence of cooling plate unit 350 mats, recess 352 and in addition amalgamation butt joint; Moreover, a pair of frame 36 is located at cooling plate unit 350 both sides of this combination, this example to frame 36 relative these cooling plate unit 350 is respectively equipped with recess 361 and protuberance 362, the recess 361 of this frame 36 of mat and protuberance 362 can be connected to protuberance 351, the recess 352 of this cooling plate unit 350 respectively, and the heat sink 35 of integral body is located; In preferred embodiment, this heat sink 35 is a sheet metal, and in order to preferable heat sinking function to be provided, and the rear of this heat sink 35 is provided with this heat abstractor 353 (describing in detail down).
As shown in Figure 3A, aforementioned this insulation course 33 is located on this cooling plate unit 350, and this insulation course 33 can stratiform or mode such as part and paste, print or coat on this cooling plate unit 350; This circuit layer 32 is located on this insulation course 33, use isolated this heat sink 35, insulation course 33 as shown in Figure 3A is to lay with stratiform, this insulation course 33 also can be located at this place, circuit layer 32 belows relatively with the part as described above, moreover, this circuit layer 32 extends toward the junction of the both sides of this cooling plate unit 350, and the protuberance 351 and the recess 352 of this cooling plate unit 350 are crossed in winding, so, in the time of can making two adjacent cooling plate unit 350 windings, be positioned on the junction of this cooling plate unit 350 and protuberance 351, the recess 352 circuit layer 32 also mutually circuit connect.
See also Fig. 3 A, Fig. 3 B, this single cooling plate unit 350 is provided with three light-emittingdiodes 31, be to include a red light-emitting diode 313, green luminescence diode 314 and blue light emitting diode 315, the color adjustment of this red light-emitting diode 313 of mat, green luminescence diode 314 and blue light emitting diode 315 an and nearly step is combined into required light source respectively.
Continue and see also Fig. 4, the top of this LED Chips for Communication 31 is provided with a conductive layer 34, when this LED Chips for Communication 31 sends light source to this conductive layer 34, will produce first wavefront 311 as sphere of light source diffraction (Diffraction), the mutual intersection after conducting a segment distance of this first wavefront 311 forms the irradiated area of expanding, and makes the brightness of illumination of luminous dipolar object light source quite even by the mutual interference of this first wavefront 311.In preferred embodiment, the length of this conductive layer 34 is greater than the length of LED Chips for Communication 31 top exit facets.
Continue and see also Fig. 5, this conductive layer 34 further is provided with a perforation 341, the light source that is sent when this LED Chips for Communication 31 produces second wavefront 312 of single slit diffraction via the perforation 341 of this conductive layer 34, because this second wavefront 312 results from perforation 341 tops of this conductive layer 34, therefore this second wavefront 312 and first wavefront 311 distance that makes light source finish expanding irradiation area shortens, and promptly light source can form expanding irradiation area in nearer distance.And like this design first wavefront 311 that these LED Chips for Communication 31 both sides are produced, and this conductive layer 34 is via second wavefront 312 that single slit produced of perforation 341, both can make brightness more even after interfering.Moreover this perforation 341 can plural number be provided with and more promotes its lighting effect; Again, this perforation 341 can adopt etch process to form on this conductive layer 34, or utilize metallics doping printing opacity particle via screen painting forming this conductive layer 34, and this printing opacity particle is promptly produced this second wavefront 312 as these perforation 341 effects.
Meter sees also Fig. 6, be split type light source module second embodiment of the utility model liquid crystal module, this cooling plate unit 350 ' is respectively equipped with the dovetail shape protuberance 351 ' and the dovetail shape recess 352 ' of one one-tenth correspondingly-shaped in the both sides combinatorial surface, when two adjacent cooling plate unit 350 ' windings, then utilize this dovetail shape protuberance 351 ' and dovetail shape recess 352 ' to give winding, and then finish a required larger area heat sink 35.Certainly, it only is the convenient winding of two adjacent cooling plate unit 350 that the protuberance 351 of this cooling plate unit 350, recess 352 is provided with, therefore these two adjacent cooling plate unit 350 winding engaging technology be not limit and also non-limit of shape of this protuberance 351, recess 352.
Again as shown in Figure 3A, this heat abstractor 353 includes an aluminium extruded type heat sink, this aluminium extruded type heat sink can bonding method or other modes be fixed on this heat sink 35, an end of this aluminium extruded type heat sink is the fin shape plate with plural groove 354.Moreover, this heat abstractor 353 can directly form on this heat sink 35, promptly the rear end of this heat sink 35 is to be the fin shape plate with plural groove 354, in order to one-body molded this heat sink 35 and heat abstractor 353, and makes this heat sink 35 have better heat sinking function.
Seeing also Fig. 7 A, is the utility model heat abstractor second embodiment, and this heat abstractor 353 includes a netted cooling pad 353A, and this netted cooling pad 353A is installed on this heat sink 35, and this netted cooling pad 353A is with metal formation that material is woven.
Shown in Fig. 7 B, be the utility model heat abstractor the 3rd embodiment, this heat abstractor 353 includes a metal piercing net 353B, and this metal piercing net 353B is installed on this heat sink 35, and this metal piercing net 353B can the metal sheet rolling and form heat radiation perforation on it.
Shown in Fig. 7 C, be the utility model heat abstractor the 4th embodiment, this heat abstractor 353 includes cooling heat dissipation pipe (HeatPipe) 353C who is located on this heat sink 35, is provided with liquid coolant in this cooling heat dissipation pipe 353C, and mat circulates mode to take away the heat energy on this heat sink 35.
Shown in Fig. 7 D, be the utility model heat abstractor the 5th embodiment, this heat abstractor 353 includes a fan 353D who is located on this heat sink 35, and the wind-force of this fan of mat 353D blows to take away the heat energy on this heat sink 35.
In all embodiment of aforementioned this heat abstractor, the embodiment that this heat abstractor 36 can be two or more in addition and usefulness, more to improve its radiating effect.
The split type light source module of the utility model liquid crystal module, the light that this LED Chips for Communication 31 is throwed enters this liquid crystal panel 10 after these light diffusing sheet 20 diffusions, with the source backlight as liquid crystal module 100; And because of the setting of this heat sink 35 and this heat abstractor 36, the high heat that this LED Chips for Communication 31 is produced is suitably lowered the temperature, to guarantee the running performance and the serviceable life of this liquid crystal panel 10; And this LED Chips for Communication 31 can greatly improve its luminosity by after being provided with of this conductive layer 34.Therefore the utility model is under the situation of utilizing light-emittingdiode as backlight, can have higher color saturation and preferable light uniformity coefficient simultaneously, and thoroughly solved the relevant disappearance of known techniques, and then greatly promote the image imaging quality person of liquid crystal module.
And be worth around here stressing be, the split type light source module of the utility model liquid crystal module utilizes separable, the array mode of this heat sink 35, LED Chips for Communication light source color set on it can conveniently be adjusted, and can provide the production method of combination quite easily and preferable economy with regard to the making of heat sink 35, but make these heat sink 35 elasticity in response to the making of the liquid crystal module of different proportion or size, and then avoid liquid crystal module to make going up it cutting the waste that is caused.
The above, it only is the utility model preferred embodiment, be not to be used for limiting the scope that the utility model is implemented, all equalizations of doing according to the described shape of the utility model interest field, structure, feature and spirit change and modify, and all should be included in the interest field of the present utility model.
Claims (24)
1, a kind of split type light source module of liquid crystal module, it is characterized in that, include a heat abstractor backlight, this heat abstractor backlight includes a plural LED Chips for Communication and a heat sink, this LED Chips for Communication is located on this heat sink, the top of this LED Chips for Communication is provided with a conductive layer, this heat sink is made up of plural cooling plate unit, the junction of this cooling plate unit has the setting of a protuberance or recess, this cooling plate unit winding of mat becomes this larger area heat sink, and this heat sink is provided with a heat abstractor.
2, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this cooling plate unit is provided with one in order to the circuit layer of this LED Chips for Communication to be set, and is provided with an insulation course between this circuit layer and this cooling plate unit.
3, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, the both sides of this heat sink are provided with a pair of frame in order to the location, and this side to relative this cooling plate unit of frame is respectively equipped with recess or protuberance.
4, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this circuit layer is to extend toward the junction of the both sides of this cooling plate unit, protuberance and recess.
5, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this cooling plate unit is provided with a red light-emitting diode, green luminescence diode and blue light emitting diode.
6, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this LED Chips for Communication is can the packing forms setting, and this heat sink is a sheet metal.
7, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that this conductive layer is provided with at least one perforation.
8, the split type light source module of liquid crystal module as claimed in claim 7 is characterized in that, this perforation can utilize metallics doping printing opacity particle via screen painting to form printing opacity particle person as this perforation.
9, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this heat abstractor is directly to form the fin shape plate with plural groove on this heat sink.
10, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this heat abstractor is the optant who is located at netted cooling pad, the metal piercing net on this heat sink or has the aluminium extruded type heat sink of groove.
11, the split type light source module of liquid crystal module as claimed in claim 1 is characterized in that, this heat abstractor is to be located at the cooling heat dissipation pipe on this heat sink or the optant of fan.
12, a kind of split type light source module of liquid crystal module, it is characterized in that include a heat sink, this heat sink is made up of plural cooling plate unit, the junction of this two adjacent cooling plate unit has the snap fastener of being connected with group, and further is provided with backlight on this cooling plate unit.
13, the split type light source module of liquid crystal module as claimed in claim 12 is characterized in that, this backlight is a light-emittingdiode.
14, the split type light source module of liquid crystal module as claimed in claim 12 is characterized in that, this connects snap fastener and includes protuberance or recess setting on the junction of being located at this cooling plate unit.
15, the split type light source module of liquid crystal module as claimed in claim 13 is characterized in that the top of this light-emittingdiode is provided with a conductive layer.
16, the split type light source module of liquid crystal module as claimed in claim 13 is characterized in that, this cooling plate unit is provided with one in order to the circuit layer of this LED Chips for Communication to be set, and is provided with an insulation course between this circuit layer and this cooling plate unit.
17, the split type light source module of liquid crystal module as claimed in claim 12 is characterized in that, the both sides of heat sink are provided with a pair of frame in order to the location, and this side to relative this cooling plate unit of frame is respectively equipped with recess or protuberance.
18, the split type light source module of liquid crystal module as claimed in claim 12 is characterized in that, this cooling plate unit is provided with a red light-emitting diode, green luminescence diode and blue light emitting diode.
19, the split type light source module of liquid crystal module as claimed in claim 13 is characterized in that, this LED Chips for Communication is can the packing forms setting, and this heat sink is a sheet metal.
20, the split type light source module of liquid crystal module as claimed in claim 15 is characterized in that this conductive layer is provided with at least one perforation.
21, the split type light source module of liquid crystal module as claimed in claim 20 is characterized in that, this perforation can utilize metallics doping printing opacity particle via screen painting to form printing opacity particle person as this perforation.
22, the split type light source module of liquid crystal module as claimed in claim 12 is characterized in that, this cooling plate unit is to form the fin shape plate with plural groove.
23, the split type light source module of liquid crystal module as claimed in claim 12, it is characterized in that, the follow-up position of this heat sink is provided with a heat abstractor, and this heat abstractor is the optant who is located at netted cooling pad, the metal piercing net on this heat sink or has the aluminium extruded type heat sink of groove.
24, the split type light source module of liquid crystal module as claimed in claim 12 is characterized in that, the follow-up position of this heat sink is provided with a heat abstractor, and this heat abstractor is to be located at the cooling heat dissipation pipe on this heat sink or the optant of fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201176543U CN2914135Y (en) | 2006-05-30 | 2006-05-30 | Split-type source die set of liquid crystal die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201176543U CN2914135Y (en) | 2006-05-30 | 2006-05-30 | Split-type source die set of liquid crystal die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2914135Y true CN2914135Y (en) | 2007-06-20 |
Family
ID=38168736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201176543U Expired - Fee Related CN2914135Y (en) | 2006-05-30 | 2006-05-30 | Split-type source die set of liquid crystal die set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2914135Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929013A (en) * | 2012-10-30 | 2013-02-13 | 深圳市华星光电技术有限公司 | Engaged type liquid crystal module |
| WO2015196497A1 (en) * | 2014-06-24 | 2015-12-30 | 深圳市华星光电技术有限公司 | Direct-lit backlight module and liquid crystal display device |
-
2006
- 2006-05-30 CN CNU2006201176543U patent/CN2914135Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929013A (en) * | 2012-10-30 | 2013-02-13 | 深圳市华星光电技术有限公司 | Engaged type liquid crystal module |
| CN102929013B (en) * | 2012-10-30 | 2015-08-19 | 深圳市华星光电技术有限公司 | Clamp-close type Liquid Crystal Module |
| WO2015196497A1 (en) * | 2014-06-24 | 2015-12-30 | 深圳市华星光电技术有限公司 | Direct-lit backlight module and liquid crystal display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203277485U (en) | Light-emitting device, light-emitting diode chip for forming multi-directional light emission and sapphire substrate thereof | |
| DE102015101557B4 (en) | Light source module, lighting device and lighting system | |
| DE202013012548U1 (en) | Light-emitting element, lighting device and its device frame | |
| CN102777785A (en) | Light source device for backlight module and liquid crystal display and method for manufacturing the same | |
| CN101149534A (en) | Backlight | |
| CN101042226B (en) | High power LED lighting lamp model set | |
| CN2914135Y (en) | Split-type source die set of liquid crystal die set | |
| CN204141542U (en) | For the radiator structure of monitoring equipment auxiliary lighting apparatus | |
| CN2802727Y (en) | Improved structure of color mixture point matrix LED | |
| CN207690428U (en) | A kind of LED display to radiate before screen | |
| CN200965601Y (en) | LCD panel backlight heat dissipation device | |
| CN101235959B (en) | LED illuminating source | |
| CN108598069B (en) | Integrated monolithic color temperature adjustable LED based on structured fluorescent film | |
| CN102169658A (en) | Production process for integrated packaged light emitting diode (LED) outdoor display screen | |
| CN210771736U (en) | Rectangular multi-functional waterproof stroboscopic lamp | |
| CN102042521A (en) | Soft high-efficiency light-emitting diode (LED) surface light source | |
| CN201893374U (en) | Integrated LED (Light-Emitting Diode) light source radiating device | |
| CN201946629U (en) | LED (light-emitting diode) and LED substrate | |
| CN201462504U (en) | Light emitting diode light source module | |
| CN213124481U (en) | Stepless color temperature regulation light source and lamp | |
| CN202196812U (en) | Strip-shaped light-emitting structure | |
| CN212107916U (en) | LED lamp panel, LED lamp wick and LED lamp | |
| CN219510746U (en) | Tube lamp radiator with omnidirectional heat exchange | |
| CN103807829A (en) | Production method for LED (light-emitting diode) lamp tube | |
| CN207068380U (en) | It is a kind of to radiate and for the LED display of illumination |
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: 20070620 |