CN103148404B - Display device and backlight module thereof - Google Patents
Display device and backlight module thereof Download PDFInfo
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- CN103148404B CN103148404B CN201210572296.5A CN201210572296A CN103148404B CN 103148404 B CN103148404 B CN 103148404B CN 201210572296 A CN201210572296 A CN 201210572296A CN 103148404 B CN103148404 B CN 103148404B
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- sidewall
- light source
- backlight module
- extended structure
- supporting part
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- 239000011800 void material Substances 0.000 claims description 19
- 239000000084 colloidal system Substances 0.000 claims description 13
- 230000004308 accommodation Effects 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000006260 foam Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A backlight module comprises a light guide plate, a light source and a back frame. The light source is arranged on one side of the light guide plate. The back frame comprises a bottom, a side wall and at least one extending structure. The bottom is used for bearing the light guide plate and the light source. The sidewall is adjacent to the light source. The side wall has a first end and a second end opposite to each other, and the first end is connected to the bottom. The extending structure extends out from a part of the first end of the side wall towards the direction far away from the light source. The extending structure is provided with a bearing part, and the side wall is positioned between the bearing part and the light source.
Description
Technical field
The invention relates to a kind of display device and backlight module thereof, and relate to a kind of light effectively avoiding light source to send especially and leak and the display device that goes out and backlight module thereof from back of the body frame.
Background technology
Along with electronic industry is day by day flourishing, liquid crystal indicator has become main flow in the market.But, because the display panel of liquid crystal indicator itself cannot be luminous, therefore the backlight module as providing light source must be provided in the below of display panel, and then make liquid crystal indicator reach effect of display.
The backlight module of liquid crystal indicator includes the components such as the back of the body frame, light source, light guide plate, blooming piece and reflector plate.Wherein carry on the back frame in order to accommodating light source, light guide plate, blooming piece and reflector plate, and back of the body frame also has effect of clamping light guide board, and then light guide plate is fixed.And light source is arranged at the side of light guide plate, to light guide plate, carry out mixed light in order to emit beam.And liquid crystal indicator more comprises drive circuit board, be arranged at the position bottom backlight module, namely carry on the back the bottom of frame specifically, this drive circuit board is electrically connected at display panel, in order to drive display panel.
But; in order to reduce the integral thickness of liquid crystal indicator; usual meeting bends out from the portion bottom surface and surface carrying on the back frame the plummer being used for carrying drive circuit board, makes drive circuit board can be arranged on the side of backlight module, effectively reduces the thickness of overall liquid crystal indicator.But because plummer bends from the portion bottom surface and surface of carrying on the back frame and go out, breach can be formed in the side of back of the body frame, from then on the light causing light source to send can leak and go out by breach, in order to prevent light from then on breach spill, foam tape bonding is covered the breach in back frame side face by general meeting in artificial mode, thus, need the extra expense increasing foam tape, and when pasting foam tape not easy fitted, even likely effectively cannot cover the breach in back frame side face.Moreover, because the surface carrying on the back frame is used for, as the plummer of carrying drive circuit board, will certainly causing the decline of back of the body frame bulk strength.Therefore, how carry out solving for the problems referred to above and improve, reality is one of emphasis of paying close attention to of those skilled in the art for this reason.
Summary of the invention
An object of the present invention is providing a kind of backlight module exactly, and the light sent to prevent light source leaks from back of the body frame and goes out, and causes light extraction efficiency to reduce.
Another object of the present invention is to provide a kind of display device, and the light sent to prevent light source leaks from backlight module and goes out, and causes light extraction efficiency to reduce.
For reaching above-mentioned advantage, the present invention proposes a kind of backlight module, comprises light guide plate, light source and back of the body frame.Light source is arranged at the side of light guide plate.Back of the body frame comprises bottom, sidewall and at least one extended structure.Bottom is in order to carry light guide plate and light source.Sidewall is adjacent to light source.Sidewall has relative first end and the second end, and first end is connected to bottom.Extended structure extends towards the direction away from light source from the portion first end of sidewall.Extended structure has supporting part, and sidewall is between supporting part and light source.
In one embodiment of this invention, above-mentioned extended structure has more connecting portion, in order to connect first end and the supporting part of sidewall.
In one embodiment of this invention, above-mentioned connecting portion and sidewall form U-shaped.
In one embodiment of this invention, above-mentioned connecting portion and sidewall form V-type.
In one embodiment of this invention, there is between the connecting portion of above-mentioned extended structure and sidewall set body, be bonded to sidewall in order to make connecting portion.
In one embodiment of this invention, above-mentioned set body comprises colloid or scolding tin.
In one embodiment of this invention, above-mentioned back of the body frame more comprises top, is connected to the second end of sidewall, top has relative first surface and second surface, second surface towards bottom, first surface then dorsad bottom, the loading end of supporting part and first surface are towards same direction.
In one embodiment of this invention, above-mentioned top, form light source accommodation space between bottom and inside sidewalls, in order to accommodating light source.
In one embodiment of this invention, the bottom of above-mentioned back of the body frame has void region, is adjacent to extended structure, and extended structure system outwards turns down out from void region.
In one embodiment of this invention, the area of above-mentioned void region is substantially equal to the area of extended structure.
In one embodiment of this invention, above-mentioned back of the body frame more comprises shading colloid, fits in bottom and covers void region.
For reaching above-mentioned advantage, the present invention proposes a kind of display device on the other hand, comprises display panel, circuit board and backlight module.Circuit board is electrically connected at display panel.Backlight module, is arranged relative to display panel, and backlight module comprises light guide plate, light source and back of the body frame.Light source is arranged at the side of light guide plate.Back of the body frame comprises bottom, sidewall and at least one extended structure.Bottom is in order to carry light guide plate and light source.Sidewall is adjacent to light source, and sidewall has relative first end and the second end, and first end is connected to bottom.Extended structure extends towards the direction away from light source from the portion first end of sidewall, and extended structure has supporting part, and sidewall is between supporting part and light source, and supporting part is in order to bearer circuit plate.
Display device described in embodiments of the invention, the back of the body frame of its backlight module has bottom, sidewall and at least one extended structure.This extended structure extends towards the direction away from light source from the portion first end of sidewall, and sidewall is between the supporting part and light source of extended structure.Because the extended structure described in the embodiment of the present invention extends from one end of back frame side wall, that is this extended structure can not form breach in the sidewall of back of the body frame, under such structural design, the light that can effectively avoid light source to send goes out from the sidewall leakage of carrying on the back frame, the action that extra-pay and manpower carry out preventing light leak need not be increased, also relatively increase the bulk strength of back of the body frame simultaneously.
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 illustrates the diagrammatic cross-section for the display device described in one embodiment of the invention;
Fig. 2 illustrates and looks up perspective view for the display device shown in Fig. 1;
Fig. 3 illustrates the diagrammatic cross-section for the display device described in another embodiment of the present invention;
The section that Fig. 4 illustrates as the display device described in another embodiment of the present invention is illustrated;
Fig. 5 illustrates the diagrammatic cross-section for the display device described in another embodiment of the present invention.
Wherein, Reference numeral:
1,1a, 1b, 1c: display device 10: display panel
11: circuit board 12: backlight module
13: set body 14: shading colloid
110: flexible circuit board 120: light guide plate
121: light source 122: back of the body frame
1200: incidence surface 1201: first surface
1202: second surface 1203: loading end
1220: bottom 1221: sidewall
1222,1222a: extended structure 1223: first end
1224: the second ends 1225: supporting part
1226: connecting portion 1227: top
1228: void region X: direction
S1: accommodation space S2: light source accommodation space
A1, A2, A3: area θ: angle
Embodiment
Please refer to Fig. 1, it is the diagrammatic cross-section of the display device described in one embodiment of the invention.As shown in Figure 1, the display device 1 described in the present embodiment comprises display panel 10, circuit board 11 and backlight module 12.Circuit board 11 is electrically connected at this display panel 10, and this circuit board 11 is such as through flexible circuit board 110 and is electrically connected at display panel 10, but the present invention is not as limit.
Backlight module 12 described in the present embodiment is arranged relative to display panel 10, and backlight module 12 is such as side light type back light module, but the present invention is not as limit, and backlight module 12 also can be direct type backlight module.Backlight module 12 described in the present embodiment comprises light guide plate 120, light source 121 and back of the body frame 122.Light source 121 is arranged at the side of light guide plate 120, and specifically, the incidence surface 1200 that this light source 121 is arranged at light guide plate 120 is other.Back of the body frame 122 comprises bottom 1220, sidewall 1221 and at least one extended structure 1222.Bottom 1220 is in order to carry light guide plate 120 and light source 121.Sidewall 1221 is adjacent to light source 121, and sidewall 1221 has relative first end 1223 and the second end 1224, and the first end 1223 of sidewall 1221 is connected to bottom 1220.Extended structure 1222 extends towards direction X from the portion first end 1223 of sidewall 1221, and specifically, extended structure 1222 extends towards the direction away from light source 121.This extended structure 1222 has supporting part 1225, and this supporting part 1225 is in order to bearer circuit plate 11, and sidewall 1221 is between supporting part 1225 and light source 121.
It should be noted that, the backlight module described in the present embodiment more comprises the component such as blooming piece, reflector plate (not shown).But because these components above-mentioned are not main technical characteristic in the present invention, therefore, the present invention does not describe separately for above-mentioned component.
As shown in Figure 1, the extended structure 1222 described in the present embodiment has more connecting portion 1226, and this connecting portion 1226 is in order to connect first end 1223 and the supporting part 1225 of sidewall 1221.As shown in Figure 1, connecting portion 1226 and the sidewall 1221 of extended structure 1222 are such as form U-shaped, and the connecting portion 1226 of extended structure 1222 is substantially perpendicular to supporting part 1225 and forms L-type with supporting part 1225.
As shown in Figure 1, the back of the body frame 122 described in the present embodiment more comprises top 1227, is connected to the second end 1224 of sidewall 1221.This top 1227 has relative first surface 1201 and second surface 1202.The second surface 1202 at top 1227 is towards bottom 1220, and first surface 1201 bottom 1220 dorsad at top 1227, the loading end 1203 of supporting part 1225 and the first surface 1201 at top 1227 are towards same direction.Specifically, the accommodation space S1 in order to accommodating circuit board 11 is defined between the first surface 1201 at top 1227 and the loading end 1203 of supporting part 1225.In addition, the light source accommodation space S2 in order to accommodating light source is formed between carrying on the back inside the top 1227 of frame 122, bottom 1220 and sidewall 1221.
Please refer to Fig. 1 and Fig. 2, Fig. 2 looks up perspective view for the display device shown in Fig. 1.As shown in Figures 1 and 2, the bottom 1220 of the back of the body frame 122 described in the present embodiment has void region 1228, this void region 1228 is adjacent to extended structure 1222, and extended structure 1222 is outwards turn down from void region 1228 and go out, specifically, supporting part 1225 and the connecting portion 1226 of extended structure 1222 be originally carry on the back bottom frame 122 1220 a part, Production requirement according to reality decides to need the area turnover intercepting bottom how many back of the body frame 122 1220 as extended structure 1222, that is, the area of the engraved structure 1228 described in the present embodiment is substantially equal to the area of extended structure 1222.For example, the area of engraved structure 1228 is A1, and the supporting part 1225 of extended structure 1222 is respectively A2 and A3, then A1=A2+A3 with the area of connecting portion 1226.
It should be noted that, because extended structure 1222 is outwards turnover and going out from void region 1228, make the bending place of extended structure 1222 can widen entire area because of the ductility of back of the body frame 122 material, the supporting part 1225 of the extended structure 1222 shown in Fig. 1 and Fig. 2 can be A1 slightly larger than the area of engraved structure 1228 with the area A 2 of connecting portion 1226, A3 summation, but is the area being approximately equal to engraved structure 1228 at extended structure 1222 by the area before turning down.
Please refer to Fig. 3, it is the diagrammatic cross-section of the display device described in another embodiment of the present invention.Display device 1 shown in 1a and the Fig. 1 of display device shown in Fig. 3 is similar, difference is, connecting portion 1226 and the sidewall 1221 of the extended structure 1222a described in this enforcement are such as form V-shape, and between the connecting portion 1226 of extended structure 1222a and supporting part 1225, accompanying angle θ, this angle θ is such as obtuse angle.Specifically be, the shape that the shape that connecting portion 1226 and the sidewall 1221 of the extended structure 1222 shown in Fig. 1 and Fig. 3,1222a are formed and connecting portion 1226 and supporting part 1225 are formed and angle, be only embodiments of the invention, the present invention is not as limit.Can in order under the prerequisite of bearer circuit plate 11 at supporting part 1225, the shape that the shape that connecting portion 1226 and sidewall 1221 are formed and connecting portion 1226 and supporting part 1225 are formed and the change that angle can have any shape.
Please refer to Fig. 4, its section for the display device described in another embodiment of the present invention is illustrated.The display device 1 shown in display device 1b and Fig. 1 shown in Fig. 4 is similar, and difference is, has set body 13 between the connecting portion 1226 of the extended structure 1222 described in the present embodiment and sidewall 1221.Effect of this set body 13 is that the connecting portion 1226 making extended structure 1222 can be bonded to sidewall 1221, and then increases the structural strength of extended structure 1222, avoids extended structure 1222 to suffer collision rift to produce the situation of distortion or fracture.Set body 13 described in the present embodiment is such as colloid or scolding tin, but this is bright not as limit, as long as the set body material that the connecting portion 1226 of extended structure 1222 can be made to be bonded to sidewall 1221 all can be selected.
Please refer to Fig. 5, it is the diagrammatic cross-section of the display device described in another embodiment of the present invention, and the display device 1 shown in display device 1c and Fig. 1 shown in Fig. 5 is similar, and difference is, the back of the body frame 122 described in the present embodiment comprises shading colloid 14.This shading colloid 14 fits in the bottom 1220 of back of the body frame 122, and is covered in void region 1228, and this shading colloid 14 is such as shading rubber belt or any colloid with shaded effect, but the present invention is not as limit.And effect of shading colloid 14 described in the present embodiment is to prevent light slightly from revealing by void region 1228.It should be noted that, back of the body frame 122 structure of the backlight module 12 described in the embodiment of the present invention effectively can prevent light leak really when not fitting shading colloid 14 in void region 1228, and shading colloid 14 of fitting in void region 1228 is only the effect more strengthening preventing light leak, and the means of inessential enforcement.
In sum, the display device described in embodiments of the invention, the back of the body frame of its backlight module has bottom, sidewall and at least one extended structure.This extended structure extends towards the direction away from light source from the portion first end of sidewall, and sidewall is between the supporting part and light source of extended structure.Because the extended structure described in the embodiment of the present invention extends from one end of back frame side wall connection bottom, that is this extended structure can not form breach in the sidewall of back of the body frame, under such structural design, the light that can effectively avoid light source to send goes out from the sidewall leakage of carrying on the back frame, the action that extra-pay and manpower carry out preventing light leak need not be increased, also relatively increase the bulk strength of back of the body frame simultaneously.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on claims.
Claims (11)
1. a backlight module, is characterized in that, comprising:
One light guide plate;
One light source, is arranged at the side of this light guide plate; And
One back of the body frame, comprising:
Bottom one, in order to carry this light guide plate and this light source;
One sidewall, is adjacent to this light source, and this sidewall has a relative first end and one second end, and this first end is connected to bottom this; And
At least one extended structure, extend towards the direction away from this light source from this first end of part of this sidewall, this extended structure has a supporting part, and this sidewall is between this supporting part and this light source;
Wherein, have a void region bottom this of this back of the body frame, be adjacent to this extended structure, this extended structure system outwards turns down out from this void region.
2. backlight module as claimed in claim 1, it is characterized in that, this extended structure has more a junction, in order to connect this first end and this supporting part of this sidewall.
3. backlight module as claimed in claim 2, is characterized in that, this connecting portion and this sidewall form one U-shaped.
4. backlight module as claimed in claim 2, it is characterized in that, this connecting portion and this sidewall form a V-type.
5. backlight module as claimed in claim 2, is characterized in that having a set body between this connecting portion of this extended structure and this sidewall, is bonded to this sidewall in order to make this connecting portion.
6. backlight module as claimed in claim 5, it is characterized in that, this set body comprises colloid or a scolding tin.
7. backlight module as claimed in claim 1, it is characterized in that, this back of the body frame more comprises a top, be connected to this second end of this sidewall, this top has a relative first surface and a second surface, this second surface is towards bottom this, and this first surface is then dorsad bottom this, and a loading end of this supporting part and this first surface are towards same direction.
8. backlight module as claimed in claim 7, is characterized in that, wherein this top, bottom this and form a light source accommodation space between this inside sidewalls, in order to this light source accommodating.
9. backlight module as claimed in claim 1, it is characterized in that, the area of this void region is substantially equal to the area of this extended structure.
10. backlight module as claimed in claim 1, it is characterized in that, this back of the body frame more comprises a shading colloid, to fit in bottom this and to cover this void region.
11. 1 kinds of display device, is characterized in that, comprising:
One display panel;
One circuit board, is electrically connected at this display panel; And
One backlight module, is arranged relative to this display panel, and this backlight module comprises:
One light guide plate;
One light source, is arranged at the side of this light guide plate; And
One back of the body frame, comprising:
Bottom one, in order to carry this light guide plate and this light source;
One sidewall, is adjacent to this light source, and this sidewall has a relative first end and one second end, and this first end is connected to bottom this; And
At least one extended structure, extend towards the direction away from this light source from this first end of part of this sidewall, this extended structure has a supporting part, and this sidewall is between this supporting part and this light source, and this supporting part is in order to carry this circuit board;
Wherein, have a void region bottom this of this back of the body frame, be adjacent to this extended structure, this extended structure system outwards turns down out from this void region.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101141611 | 2012-11-08 | ||
| TW101141611A TWI464502B (en) | 2012-11-08 | 2012-11-08 | Display device and backlight module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103148404A CN103148404A (en) | 2013-06-12 |
| CN103148404B true CN103148404B (en) | 2015-05-20 |
Family
ID=48546632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210572296.5A Active CN103148404B (en) | 2012-11-08 | 2012-12-25 | Display device and backlight module thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103148404B (en) |
| TW (1) | TWI464502B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI516843B (en) | 2013-11-12 | 2016-01-11 | 友達光電股份有限公司 | Backlight module and display device |
| CN107490889A (en) * | 2017-09-22 | 2017-12-19 | 青岛海信电器股份有限公司 | Display device |
| CN108303825B (en) * | 2018-01-31 | 2020-10-02 | Oppo广东移动通信有限公司 | Electronic device and display assembly thereof, backlight module and assembly method thereof |
| TWI701482B (en) * | 2019-07-23 | 2020-08-11 | 友達光電股份有限公司 | Display device |
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| CN101122715A (en) * | 2007-08-29 | 2008-02-13 | 友达光电股份有限公司 | Display device and its backlight module and its assembly method |
| CN101561101A (en) * | 2009-05-12 | 2009-10-21 | 友达光电股份有限公司 | Backlight module |
| CN101699141A (en) * | 2009-11-12 | 2010-04-28 | 友达光电股份有限公司 | Backlight module, back plate thereof, and liquid crystal display device |
| CN201636705U (en) * | 2010-05-06 | 2010-11-17 | 北京京东方光电科技有限公司 | Backlight module and liquid crystal display module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI392929B (en) * | 2009-09-16 | 2013-04-11 | Radiant Opto Electronics Corp | Liquid crystal display device |
| TWI384297B (en) * | 2009-10-28 | 2013-02-01 | Au Optronics Corp | Backlight module and back bezel thereof, and liquid cryatal display apparatus |
| CN102736278B (en) * | 2011-04-01 | 2014-12-17 | 纬创资通股份有限公司 | Liquid crystal display device and electronic device comprising same |
| TWI406058B (en) * | 2010-12-20 | 2013-08-21 | Au Optronics Corp | Backlight module |
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2012
- 2012-11-08 TW TW101141611A patent/TWI464502B/en active
- 2012-12-25 CN CN201210572296.5A patent/CN103148404B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122715A (en) * | 2007-08-29 | 2008-02-13 | 友达光电股份有限公司 | Display device and its backlight module and its assembly method |
| CN101561101A (en) * | 2009-05-12 | 2009-10-21 | 友达光电股份有限公司 | Backlight module |
| CN101699141A (en) * | 2009-11-12 | 2010-04-28 | 友达光电股份有限公司 | Backlight module, back plate thereof, and liquid crystal display device |
| CN201636705U (en) * | 2010-05-06 | 2010-11-17 | 北京京东方光电科技有限公司 | Backlight module and liquid crystal display module |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI464502B (en) | 2014-12-11 |
| TW201418841A (en) | 2014-05-16 |
| CN103148404A (en) | 2013-06-12 |
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