CN102878482B - Backlight module and display device using same - Google Patents
Backlight module and display device using same Download PDFInfo
- Publication number
- CN102878482B CN102878482B CN201210320102.2A CN201210320102A CN102878482B CN 102878482 B CN102878482 B CN 102878482B CN 201210320102 A CN201210320102 A CN 201210320102A CN 102878482 B CN102878482 B CN 102878482B
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- Prior art keywords
- light
- guide plate
- light guide
- substrate
- emitting component
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- 239000000758 substrate Substances 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000003292 glue Substances 0.000 claims abstract description 41
- 230000000994 depressogenic effect Effects 0.000 claims description 38
- 230000001681 protective effect Effects 0.000 claims description 32
- 239000002390 adhesive tape Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Abstract
The invention discloses a backlight module and a display device using the same. The backlight module comprises a light guide plate and a light source component. The light guide plate is provided with a light incident surface, and the light source assembly comprises at least one light emitting element, a substrate and a rubber material. The light emitting element is arranged beside the light incident surface, the substrate is provided with a bearing surface for bearing the light emitting element and a concave part, and part of the bearing surface is connected with the light guide plate and exposes the concave part. The glue material is arranged in the concave part and is adhered to the light guide plate. The invention also provides a display device using the backlight module.
Description
Technical field
The present invention relates to a kind of light source module, and particularly relate to and a kind ofly can be applied to the backlight module of display device and use the display device of this backlight module.
Background technology
Liquid crystal indicator is one of display device that popularity rate is higher now, and it mainly comprises display panels and backlight module, and wherein backlight module is in order to provide the display light source needed for display panels.
Backlight module can be divided into direct type backlight module and side light-entering type backlight module, and wherein side light-entering type backlight module comprises light guide plate and is configured at the light-emitting component by the incidence surface of light guide plate.In early stage technology, be all come as light-emitting component with cathode fluorescent tube (coldcathodefluorescentlamp, CCFL) usually.In recent years, cathode fluorescent tube is replaced by light emitting diode (lightemittingdiode) gradually.
In the prior art, light emitting diode is normally arranged on circuit board, and circuit board is pasted on the bottom of light guide plate by adhesive tape.In order to avoid light leak, between the exiting surface of light emitting diode and the incidence surface of light guide plate, need accurate contraposition.But the thickness of adhesive tape itself can cause the exiting surface of light emitting diode and the incidence surface of light guide plate cannot precisely contraposition and produce light leak on the thickness direction of light guide plate, and this will reduce the light utilization ratio of backlight module.
Summary of the invention
The object of the present invention is to provide a kind of backlight module, to promote light utilization ratio.
Another object of the present invention is to provide a kind of display device, to promote light utilization ratio.
For reaching above-mentioned purpose, the present invention proposes a kind of backlight module, comprises light guide plate and light source assembly.Light guide plate has incidence surface, and light source assembly comprises at least one light-emitting component, substrate and glue material.Light-emitting component is configured at by incidence surface, and substrate has loading end and the depressed part of carrying light-emitting component, and part loading end is connected to light guide plate and exposes depressed part.Glue material is arranged in depressed part, and is pasted on light guide plate.
In one embodiment of this invention, above-mentioned substrate is flexible circuit board.
In one embodiment of this invention, above-mentioned substrate comprises flexible substrate, line layer and protective seam.Line layer is configured at the surface of flexible substrate, and protective seam covers line layer, and above-mentioned loading end is the surface of protective seam.Light-emitting component is electrically connected to line layer, and depressed part is formed in line layer and protective seam.
In one embodiment of this invention, above-mentioned substrate comprises flexible substrate, first line layer, the first protective seam, the second line layer, the second protective seam and at least one contact hole and connects material.Flexible substrate has first surface towards opposition side and second surface, and first line layer is configured at first surface, and the first protective seam covers first line layer.Above-mentioned loading end is the surface of the first protective seam, and light-emitting component is electrically connected to first line layer.Second line layer is configured at second surface, and the second protective seam covers the second line layer, and contact hole connects material electrical connection first line layer and the second line layer.
In one embodiment of this invention, above-mentioned depressed part is formed in first line layer and the first protective seam.
In one embodiment of this invention, above-mentioned depressed part comprises multiple depression.
In one embodiment of this invention, the quantity of above-mentioned at least one light-emitting component is multiple, has gap between adjacent two light emitting, and this gap these depressions corresponding one of them.
In one embodiment of this invention, above-mentioned light guide plate also has the bottom surface being connected to incidence surface, and glue material is adhered to bottom surface.
In one embodiment of this invention, above-mentioned light guide plate also has the end face being connected to incidence surface, and glue material is adhered to end face.
The present invention separately proposes a kind of display device, comprises backlight module and display panel, and wherein display panel configurations is above the light guide plate of backlight module.Backlight module comprises light guide plate, light source assembly and glue material, and light guide plate has incidence surface, and light source assembly comprises at least one light-emitting component and the substrate that are configured at incidence surface side.Substrate has loading end and the depressed part of carrying light-emitting component, and part loading end is connected to light guide plate and exposes depressed part, and glue material is arranged in depressed part, and is pasted on light guide plate.
In one embodiment of this invention, above-mentioned light guide plate also has the bottom surface being connected to incidence surface, and glue material is adhered to bottom surface.In addition, display device also can comprise framework, and this framework comprises around the sidewall of light guide plate and extends to the support portion above light guide plate from sidewall, and display panel configurations is on support portion.
In one embodiment of this invention, above-mentioned loading end is also pasted on the bottom surface of sidewall.
In one embodiment of this invention, above-mentioned light guide plate also has the end face being connected to incidence surface, and glue material is adhered to end face, and substrate is between light-emitting component and display panel.In addition, display device also can comprise the framework around light guide plate, and substrate is also connected on the end face of framework.
In one embodiment of this invention, above-mentioned substrate is also connected to the perimeter circuit district of display panel.
In one embodiment of this invention, above-mentioned display device also comprises the perimeter circuit district that main circuit board is connected to display panel, and substrate is also connected to main circuit board.
In backlight module of the present invention, owing to being be arranged in the depressed part of substrate by substrate sticking to the glue material of light guide plate, so the incidence surface of thickness effect light guide plate and the contraposition of the exiting surface of light-emitting component on the thickness direction of light guide plate of glue material can be avoided, to prevent the situation of light leak.So, the light utilization ratio of backlight module of the present invention and display device can be promoted.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 is the partial cutaway schematic of the display device of one embodiment of the invention;
Fig. 2 is the substrate of the light source assembly of one embodiment of the invention and the local upper schematic diagram of light-emitting component;
Fig. 3 is the diagrammatic cross-section of the substrate of the light source assembly of one embodiment of the invention;
Fig. 4 is the diagrammatic cross-section of the substrate of the light source assembly of another embodiment of the present invention;
Fig. 5 is the partial cutaway schematic of the display device of another embodiment of the present invention;
Fig. 6 is the partial cutaway schematic of the display device of another embodiment of the present invention.
Main element symbol description
100,100a, 100b: display device
110: display panel
112: perimeter circuit district
120,140,150,160,170,226: glue material
130,130a: framework
132: sidewall
133: bottom surface
134: support portion
136: end face
180: main circuit board
200,200a: backlight module
210: light guide plate
212: incidence surface
214: bottom surface
216: end face
220,220b: light source assembly
222: light-emitting component
223: exiting surface
224,224a, 224b: substrate
225: loading end
227: depressed part
228: depression
230: blooming piece
240: reflector plate
241,251: flexible substrate
242: line layer
243: protective seam
244: surface
252: first line layer
253: the first protective seams
254: the second line layers
255: the second protective seams
256: contact hole connects material
257: first surface
258: second surface
259: through hole
D: thickness direction
G: gap
Embodiment
Fig. 1 is the partial cutaway schematic of the display device of one embodiment of the invention.Please refer to Fig. 1, the display device 100 of the present embodiment comprises display panel 110 and backlight module 200.Backlight module 200 comprises light guide plate 210 and light source assembly 220, and display panel 110 is configured at above light guide plate 210.Light guide plate 210 has incidence surface 212 and is connected to the bottom surface 214 of incidence surface 212.Light source assembly 220 comprises at least one light-emitting component 222, substrate 224 and glue material 226.It is other that light-emitting component 222 is configured at incidence surface 212, and substrate 224 has loading end 225 and the depressed part 227 of carrying light-emitting component 222, part loading end 225 be such as be connected to light guide plate 210 bottom surface 214 and expose depressed part 227.Glue material 226 is arranged in depressed part 227, and is such as the bottom surface 214 being pasted on light guide plate 210.
Display panel 110 is non-self light emitting display panel, and as display panels, and backlight module 200 is in order to provide the display light source needed for display panel 110.Light-emitting component 222 is such as light emitting diode or other pointolites, and its light provided enters in light guide plate 210 via incidence surface 212, and the light of light guide plate 210 self-emission device 222 in future converts area source to.Area source from end face 216 outgoing of light guide plate 210, using as the display light source needed for display panel 110.Blooming piece 230 can be set between end face 216 and display panel 110, as prismatic lens or diffusion barrier etc., with even or blast area source.In addition, the bottom surface 214 of light guide plate 210 can more be pasted with reflector plate 240, to prevent bottom surface 214 light leak.
In the present embodiment, be such as flexible circuit board in order to carry the substrate 224 of light-emitting component 222, it is such as more connected to the perimeter circuit district 112 of display panel 110.But the present invention does not limit the perimeter circuit district 112 that substrate 224 must be connected to display panel 110.And substrate 224 also can be rigid substrates.In addition, perimeter circuit district 112 can be stained with glue material 120, and this glue material 120 also sticks the part be connected with perimeter circuit district 112 to substrate 224.
Above-mentioned display device 100 such as also comprises framework 130, and this framework 130 comprises around the sidewall 132 of light guide plate 210 and extends to the support portion 134 above light guide plate 210 from sidewall 132, and display panel 110 is configured on support portion 134.In the present embodiment, display panel 110 is such as be pasted on support portion 134 by glue material 140, and is pasted on blooming piece 230 by glue material 150.Above-mentioned loading end 225 is such as also pasted on the bottom surface 133 of sidewall 132 by glue material 160.
In the present embodiment, the glue material 226 be configured in depressed part 227 is such as adhesive tape, but not as limit.The thickness of glue material 226 approximates greatly the degree of depth of depressed part 227, that is, the loading end 225 of substrate 224 loading end 225 of substrate 224 can't be protruded from, so can be made entirely to be attached at the bottom surface 214 of light guide plate 210 for adhesive substrate 224 and the glue material 226 of light guide plate 210.So, exiting surface 223 and the contraposition of incidence surface 212 on the thickness direction D of light guide plate 210 of light guide plate 210 of light-emitting component 222 can not be subject to the impact of glue material 226, so can avoid producing light leak, and then the light utilization ratio of the backlight module 200 of lifting the present embodiment, and thus the light utilization ratio of the display device 100 of the present embodiment also promotes.
Accompanying drawing will be coordinated below to illustrate the concrete enforcement aspect of above-mentioned depressed part 227, but itself and be not used to the concrete structure limiting depressed part of the present invention.Fig. 2 is the substrate of the light source assembly of one embodiment of the invention and the local upper schematic diagram of light-emitting component.Please refer to Fig. 1 and Fig. 2, the depressed part 227 of light source assembly 220 comprises multiple depression 228, and the quantity of light-emitting component 222 is such as multiple, and has clearance G between adjacent two light emitting 222, each clearance G one of them depression 228 corresponding.In other words, exiting surface 223 front of light-emitting component 222 is avoided in the position that depression 228 is arranged, the luminous energy absorbed with the glue material 226 reduced in depression 228, and then promotes light utilization ratio.In another embodiment, depressed part also can replace with a long strip type groove, and the present invention does not limit the concrete shape of depressed part.
Fig. 3 is the diagrammatic cross-section of the substrate of the light source assembly of one embodiment of the invention.Please refer to Fig. 3, the substrate 224 of the present embodiment such as comprises flexible substrate 241, line layer 242 and protective seam 243.Line layer 242 is configured at the surface 244 of flexible substrate 241, and protective seam 243 covers line layer 242, and above-mentioned loading end 225 is such as the surface of protective seam 243.Light-emitting component (not shown) is electrically connected to line layer 242.Specifically, protective seam 243 is such as provided with the connection pad (not shown) being electrically connected to line layer 242, to make light-emitting component be electrically connected to line layer 242 by connection pad, so drives light-emitting component luminous by line layer 242 delivered current.In addition, described depressed part 227 is such as be formed at line layer 242 with protective seam 243.
Above-mentioned substrate 224 is individual layer wiring board, and namely line layer 242 is only distributed on single surperficial 244 of flexible substrate 241.In another embodiment of the present invention's example, the substrate used can be double-layered circuit board.As shown in Figure 4, substrate 224a comprises flexible substrate 251, first line layer 252, first protective seam 253, second line layer 254, second protective seam 255 and at least one contact hole and connects material 256.Flexible substrate 251 has first surface 257 towards opposition side and second surface 258, and first line layer 252 is configured at first surface 257, and the first protective seam 253 covers first line layer 252.Above-mentioned loading end 225 is the surface of the first protective seam 253.Light-emitting component (not shown) is electrically connected to first line layer 252; specifically; first protective seam 253 is such as provided with the connection pad (not shown) being electrically connected to first line layer 252, is electrically connected to first line layer 252 to make light-emitting component by connection pad.Second line layer 254 is configured at second surface 258; second protective seam 255 covers the second line layer 254, and contact hole connects material 256 via running through flexible substrate 251, first line layer 252 and the through hole 259 of the second line layer 254 and be electrically connected first line layer 252 and the second line layer 254.In addition, above-mentioned depressed part 227 is such as be formed in first line layer 252 and the first protective seam 253.
Although in the embodiment in figure 1, substrate 224 is pasted on the bottom surface 214 of light guide plate 210 by glue material 226, and the present invention does not limit the bottom surface 214 that substrate 224 need be pasted on light guide plate 210.Separately will be pasted on the embodiment on other surfaces of light guide plate 210 for substrate 224 below.
Fig. 5 is the partial cutaway schematic of the display device of another embodiment of the present invention.Please refer to Fig. 5, the display device 100 of display device 100a and Fig. 1 of the present embodiment is similar, is only described for its difference place below.In display device 100a, the part loading end 225 of substrate 224 is such as be connected with the end face 216 of light guide plate 210, the substrate 224 of part is between light-emitting component 222 and display panel 110, and glue material 226 is adhered to end face 216, with fixing base 224 and light guide plate 210.In addition, display device 100a such as also comprises the framework 130a around light guide plate 210, and substrate 224 is also connected on the end face 136 of framework 130a.This substrate 224 is such as be adhered on the end face 136 of framework 130a by glue material 170.
In the present embodiment, adhesive substrate 224 is be arranged in the depressed part 227 of substrate 224 with the glue material 226 of light guide plate 210, so the loading end 225 of substrate 224 can be made entirely to be attached at the end face 216 of light guide plate 210.So, exiting surface 223 and the contraposition of incidence surface 212 on the thickness direction D of light guide plate 210 of light guide plate 210 of light-emitting component 222 can not be subject to the impact of glue material 226, so can avoid producing light leak, and then the light utilization ratio of the backlight module 200a of lifting the present embodiment, and thus the light utilization ratio of the display device 100a of the present embodiment also promotes.
Although in Fig. 1 and Fig. 5, substrate 224 is such as main circuit board, and it can be directly connected to the perimeter circuit district 112 of display panel 110, and the present invention is not as limit.For example, as shown in Figure 6, display device 100b can also comprise main circuit board 180, and it is connected to the perimeter circuit district 112 of display panel 110, and the substrate 224b of light source assembly 220b is connected to main circuit board 180.
In sum, in backlight module of the present invention, owing to being be arranged in the depressed part of substrate by substrate sticking to the glue material of light guide plate, so the incidence surface of thickness effect light guide plate and the contraposition of the exiting surface of light-emitting component on the thickness direction of light guide plate of glue material can be avoided, to prevent the situation of light leak.So, the light utilization ratio of backlight module of the present invention and display device can be promoted.In addition, in one embodiment, the exiting surface front of light-emitting component is avoided in the position that the depression because of depressed part is arranged, so can reduce the luminous energy that the glue material in depression absorbs, and then promotes the light utilization ratio of backlight module of the present invention and display device.
Although disclose the present invention in conjunction with above preferred embodiment; but itself and be not used to limit the present invention, be anyly familiar with this operator, without departing from the spirit and scope of the present invention; can do a little change and retouching, what therefore protection scope of the present invention should define with the claim of enclosing is as the criterion.
Claims (15)
1. a backlight module, comprising:
Light guide plate, has incidence surface; And
Light source assembly, comprising:
At least one light-emitting component, is configured at by this incidence surface, and the quantity of this at least one light-emitting component is multiple, has a gap between adjacent two light-emitting components;
Substrate, has the carrying loading end of this light-emitting component and depressed part, and this loading end of part is connected to this light guide plate and exposes this depressed part, and this depressed part comprises multiple depression, this gap those depressions corresponding one of them; And
Glue material, is arranged in this depressed part, and is pasted on this light guide plate, and the thickness of described glue material equals the degree of depth of depressed part;
Wherein, the area of this depression of this gap configuration between corresponding described light-emitting component reduces gradually along the direction away from the exiting surface of this light-emitting component.
2. backlight module as claimed in claim 1, wherein this substrate is flexible circuit board.
3. backlight module as claimed in claim 2, wherein this substrate comprises:
Flexible substrate;
Line layer, is configured at a surface of this flexible substrate; And
Protective seam, covers this line layer, and this loading end is the surface of this protective seam, and this light-emitting component is electrically connected to this line layer, and this depressed part is formed in this line layer and this protective seam.
4. backlight module as claimed in claim 2, wherein this substrate comprises:
Flexible substrate, has the first surface towards opposition side and second surface;
First line layer, is configured at this first surface;
First protective seam, covers this first line layer, and this loading end is the surface of this first protective seam, and this light-emitting component is electrically connected to this first line layer;
Second line layer, is configured at this second surface;
Second protective seam, covers this second line layer; And
At least one contact hole connects material, is electrically connected this first line layer and this second line layer.
5. backlight module as claimed in claim 4, wherein this depressed part is formed in this first line layer and this first protective seam.
6. backlight module as claimed in claim 1, wherein this light guide plate also has the bottom surface being connected to this incidence surface, and this glue material is adhered to this bottom surface.
7. backlight module as claimed in claim 1, wherein this light guide plate also has the end face being connected to this incidence surface, and this glue material is adhered to this end face.
8. a display device, comprising:
Backlight module, comprise light guide plate and light source assembly, this light guide plate has incidence surface, this light source assembly comprises at least one light-emitting component being configured at this incidence surface side, substrate and glue material, the quantity of this at least one light-emitting component is multiple, a gap is had between adjacent two light-emitting components, this substrate has loading end and the depressed part of this light-emitting component of carrying, this loading end of part is connected to this light guide plate and exposes this depressed part, this glue material is arranged in this depressed part, and be pasted on this light guide plate, and the thickness of described glue material equals the degree of depth of described depressed part, this depressed part comprises multiple depression, this gap those depressions corresponding one of them, and
Display panel, above this light guide plate being configured at this backlight module;
Wherein, the area of this depression of this gap configuration between corresponding described light-emitting component reduces gradually along the direction away from the exiting surface of this light-emitting component.
9. display device as claimed in claim 8, wherein this light guide plate also has the bottom surface being connected to this incidence surface, and this glue material is adhered to this bottom surface.
10. display device as claimed in claim 8, also comprise framework, this framework comprises around the sidewall of this light guide plate and extends to the support portion above this light guide plate from this sidewall, and this display panel configurations is on this support portion.
11. display device as claimed in claim 10, wherein this loading end is more pasted on a bottom surface of this sidewall.
12. display device as claimed in claim 8, wherein this light guide plate also has the end face being connected to this incidence surface, and this glue material is adhered to this end face, and this substrate of part is between this light-emitting component and this display panel.
13. display device as claimed in claim 12, also comprise framework, around this light guide plate, this substrate is also connected on an end face of this framework.
14. display device as claimed in claim 8, wherein this substrate is also connected to a perimeter circuit district of this display panel.
15. display device as claimed in claim 8, also comprise main circuit board, be connected to a perimeter circuit district of this display panel, and this substrate are also connected to this main circuit board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101123315A TWI468808B (en) | 2012-06-28 | 2012-06-28 | Backlight module and display apparatus using the same |
| TW101123315 | 2012-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102878482A CN102878482A (en) | 2013-01-16 |
| CN102878482B true CN102878482B (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210320102.2A Expired - Fee Related CN102878482B (en) | 2012-06-28 | 2012-08-31 | Backlight module and display device using same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102878482B (en) |
| TW (1) | TWI468808B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917039B (en) * | 2013-06-20 | 2018-05-01 | 上海天马微电子有限公司 | A kind of flexible circuit board, method of attaching and liquid crystal display die set with backlight assembly |
| CN104748020B (en) * | 2015-04-27 | 2017-08-29 | 京东方科技集团股份有限公司 | Backlight module and display panel, display device |
| US10107955B2 (en) | 2015-04-27 | 2018-10-23 | Boe Technology Group Co., Ltd. | Display backlight module having double-side adhesive blocks |
| CN104965334B (en) * | 2015-07-28 | 2018-03-09 | 武汉华星光电技术有限公司 | A kind of liquid crystal display die set and its assembly method |
| CN109557718B (en) * | 2018-11-28 | 2021-11-12 | 苏州佳世达电通有限公司 | Display device and assembling method thereof |
| CN110806658B (en) * | 2019-11-19 | 2022-03-08 | 厦门天马微电子有限公司 | Backlight module and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166175A (en) * | 2006-12-28 | 2008-07-17 | Sharp Corp | Display unit and illuminating device for same |
| TW201106062A (en) * | 2009-08-05 | 2011-02-16 | Chi Mei Optoelectronics Corp | Light source device, backlight module and liquid crystal display using the same |
| KR20110070342A (en) * | 2009-12-18 | 2011-06-24 | 삼성전자주식회사 | Backlight unit and display apparatus having the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101174150B1 (en) * | 2005-06-20 | 2012-08-14 | 엘지디스플레이 주식회사 | Bottom cover of liquid crystal display device |
| KR101441428B1 (en) * | 2008-02-18 | 2014-09-17 | 삼성디스플레이 주식회사 | Flexible printed circuit and display device having the same |
-
2012
- 2012-06-28 TW TW101123315A patent/TWI468808B/en not_active IP Right Cessation
- 2012-08-31 CN CN201210320102.2A patent/CN102878482B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166175A (en) * | 2006-12-28 | 2008-07-17 | Sharp Corp | Display unit and illuminating device for same |
| TW201106062A (en) * | 2009-08-05 | 2011-02-16 | Chi Mei Optoelectronics Corp | Light source device, backlight module and liquid crystal display using the same |
| KR20110070342A (en) * | 2009-12-18 | 2011-06-24 | 삼성전자주식회사 | Backlight unit and display apparatus having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201400940A (en) | 2014-01-01 |
| TWI468808B (en) | 2015-01-11 |
| CN102878482A (en) | 2013-01-16 |
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