CN103727453A - Backlight module and display device with same - Google Patents
Backlight module and display device with same Download PDFInfo
- Publication number
- CN103727453A CN103727453A CN201210391338.5A CN201210391338A CN103727453A CN 103727453 A CN103727453 A CN 103727453A CN 201210391338 A CN201210391338 A CN 201210391338A CN 103727453 A CN103727453 A CN 103727453A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- limiting structure
- main body
- lgp
- exiting surface
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a backlight module and a display device with the same. The backlight module is used for providing backlight for the display device, and comprises a light source component, a light guide plate and an optical film set, the light guide plate comprises a body, the body is used for guiding light emitted by the light source component, the body comprises a light-emitting face, and the optical film set is correspondingly arranged on one side of the light-emitting face of the body, a limiting part is arranged on the edge of the light guide plate, the limiting part comprises a first limiting structure which protrudes out of the light-emitting face, the first limiting structure is matched with the light-emitting face to form containing space, and the optical film set is contained in the containing space. Due to the fact that the backlight module and the display device are provided with the light guide plate, the backlight module and the display device are relatively thin.
Description
Technical field
The present invention relates to a kind of backlight module and the display unit with this backlight module.
Background technology
At present, display unit, as, liquid crystal indicator, generally includes display floater and is used to this display floater that backlight module backlight is provided.This backlight module generally comprises LGP, light source assembly, optical diaphragm group, for the glue frame of fixed optics diaphragm group and LGP and accommodate the elements such as the backboard of LGP, light source assembly, optical diaphragm group and this glue frame.But, due to the existence of the frameworks such as such as described glue frame, cause backlight module and there is the thickness of display unit of this backlight module thicker.
Summary of the invention
For solving the thicker technical problem of thickness of prior art backlight module, be necessary to provide a kind of backlight module of thinner thickness.
For solving the thicker technical problem of thickness of prior art display unit, be necessary to provide a kind of display unit of thinner thickness.
The invention provides a kind of backlight module, it is used to display unit to provide backlight.This backlight module comprises light source assembly, LGP and optical diaphragm group.This LGP comprises main body, the light of this main body for guiding this light source assembly to send, and this main body comprises exiting surface.This optical diaphragm group correspondence is arranged on exiting surface one side of this main body.The edge of this LGP is provided with limited section, and this limited section comprises the first limiting structure.This first limiting structure protrudes from this exiting surface, and this first limiting structure coordinates formation receiving space with this exiting surface, and this optical diaphragm group is contained in this receiving space.
The invention provides a kind of display unit, this display unit comprises display floater and backlight module.This display floater is for display frame, and this backlight module provides light source for this indicating template.This backlight module comprises light source assembly, LGP and optical diaphragm group.This LGP comprises main body, the light of this main body for guiding this light source assembly to send, and this main body comprises exiting surface.This optical diaphragm group correspondence is arranged on exiting surface one side of this main body.The edge of this LGP is provided with limited section, and this limited section comprises the first limiting structure.This first limiting structure protrudes from this exiting surface, and this first limiting structure coordinates formation receiving space with this exiting surface, and this optical diaphragm group is contained in this receiving space.
Compared to prior art, because LGP of the present invention further comprises this limited section, this limited section comprises the first limiting structure that surrounds receiving space with the exiting surface of this main body, thereby this optical diaphragm group can be by accommodating and be fixed in this receiving space as modes such as sticky notes, thereby, can save the glue frame in prior art backlight module.Therefore, there is the backlight module of this LGP and the thinner thickness of display unit.
Accompanying drawing explanation
Fig. 1 is the blast structural representation of liquid crystal indicator of the present invention.
Fig. 2 is the local enlarged diagram of the display panels of liquid crystal indicator shown in Fig. 1.
Fig. 3 is the decomposition texture schematic diagram of the LGP of liquid crystal indicator shown in Fig. 1.
Fig. 4 is the positive perspective view of the LGP of liquid crystal indicator shown in Fig. 1.
Fig. 5 is the back side perspective view of the LGP of liquid crystal indicator shown in Fig. 1.
The second limiting structure “ ∟ that Fig. 6 is LGP shown in Fig. 3 " enlarged diagram of type kink.
Fig. 7 is the perspective view of the light source assembly of liquid crystal indicator shown in Fig. 1.
Fig. 8 is the local enlarged diagram at the VIII place of LGP shown in Fig. 4.
Fig. 9 is the package assembly schematic diagram of liquid crystal indicator shown in Fig. 1.
Figure 10 is the part section structural representation along X-X direction on liquid crystal indicator shown in Fig. 9.
Main element symbol description
| |
1 | |
10 | |
| |
12 | |
13 | |
| |
15 | |
16 | |
| |
18 | |
19 | |
| |
| Non-display area | 12b | |
| |
131 | Printed circuit board (PCB) | 133 | |
| |
101 | |
103 | |
| |
141 | |
141a | |
| |
141b | |
16a | |
| |
| Bottom surface | 161 | |
| Exiting |
162 | Accepting groove | 161a | |
| The first |
163 | The first strip structure | 163a | |
| The |
163b | Article 3 |
163c | |
| Article 4 |
163d | The second |
164 | |
| Turning | | Breach | 163f | |
| |
165 | |
170 | |
| |
| Storage tank | | |
| Accommodation space | ||||
| 171 | |
172 | ||
| |
173 | Dashpot | | |
| Circuit board | ||||
| 191 | |
192 | ||
| |
193 | |
14 |
The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
The present embodiment describes as an example of liquid crystal indicator example, and the present invention also can be applied to the display unit of other applicable type.
See also Fig. 1 and Fig. 2, the blast structural representation that Fig. 1 is liquid crystal indicator of the present invention.Fig. 2 is the local enlarged diagram of the display panels of liquid crystal indicator shown in Fig. 1.This liquid crystal indicator 1 comprises shading rubber belt 10, display panels 12, drive circuit assembly 13 and realizes picture disply for this display panels 12 provides backlight module 14 backlight.This backlight module 14 comprises optical diaphragm group 15, LGP 16, reflector plate 18 and light source assembly 19.This display panels 12 comprises viewing area 12a and non-display area 12b.Wherein, the region that the viewing area 12a of this display panels 12 is display frame, as the central area of display panels 12; The non-display area 12b of this display panels 12 is the neighboring area of this viewing area 12a.This drive circuit assembly 13 is connected with the non-display area 12b of this display panels 12, is used to the viewing area 12a of this display panels 12 to realize picture disply driving signal is provided.In the present embodiment, this drive circuit assembly 13 comprises flexible circuit board 131 and the printed circuit board (PCB) 133 that is provided with component (not shown).This light source assembly 19 is for providing visible ray.This LGP 16 is for this visible ray is converted to planar light, and for carrying this optical diaphragm group 15 and this display panels 12.This optical diaphragm group 15 is carried out the optical treatment such as homogenising and atomization, for this display panels 12 provides uniform planar light the planar light penetrating from this LGP.This shading rubber belt 10 penetrates from the non-display area 12a of this liquid crystal indicator 1 for the light that prevents this liquid crystal indicator 1 inside.
Preferably, this shading rubber belt 10 is a hollow frame, and it comprises multiple sidewalls 101 and the horizontal component 103 that is positioned at the plurality of sidewall 101 homonymies and is connected with the plurality of sidewall 101, and this horizontal component 103 is the lamella of a hollow.In the present embodiment, the plurality of sidewall 101 is four sidewalls, and this horizontal component 103 is the lamella of a rectangular hollow.This optical diaphragm group 15 comprises multiple blooming pieces 141, and in the present embodiment, the plurality of blooming piece is for example diffusion sheet, prismatic lens etc.Each blooming piece 141 comprises body 141a and extended two lug 141b in relative both sides from this body 141a.This two lug 141b varies in size.This two lug 141b make a mistake while being used for preventing from assembling this blooming piece 141 (fool proof).
See also Fig. 3-5, Fig. 3 is the blast structural representation of this LGP 16.Fig. 4 is the positive perspective view of this LGP 16.Fig. 5 is the back side perspective view of this LGP 16.This LGP 16 comprises main body 16a and limited section 16b.In this enforcement, this main body 16a and this limited section 16b are two structures independently.This limited section 16b is fixed on this main body 16a by modes such as sticky notes.Variable ground, this limited section 16b and this main body 16a also can be structure as a whole, and preferably, this limited section 16b and this main body 16a are one-body molded by same material.The light of this main body 16a for guiding this light source assembly 19 to send.This main body 16a comprises bottom surface 161 (seeing Fig. 5) and the exiting surface 162 relative with this bottom surface 161.The outline of this exiting surface 162 is rectangle.The bottom surface 161 of this main body 16a is provided with one for accommodating the accepting groove 161a of this reflector plate 18, and this accepting groove 161a is that this bottom surface 161 is to the recessed formation of this exiting surface 162.
This limited section 16b comprises the first limiting structure 163.The edge setting of the exiting surface 162 of this first limiting structure 163 contiguous this main body 16a and protrude from this exiting surface 162, for coordinates formation receiving space 165 with this exiting surface 162, to accommodate this optical diaphragm group 15.Particularly, the exiting surface 162 of this main body 16a is for carrying this optical diaphragm group 15.The sticky note of this optical diaphragm group 15 is on this exiting surface 162.In the present embodiment, this first limiting structure 163 is arranged on this exiting surface 162, around the edge setting of this exiting surface 162.
Preferably, this first limiting structure 163 is a hollow frame, and it comprises the first strip structure 163a, the second strip structure 163b, Article 3 shape structure 163c and Article 4 shape structure 163d.This first limiting structure 163 is that the first strip structure 163a, the second strip structure 163b, Article 3 shape structure 163c and Article 4 shape structure 163d head and the tail are in turn connected to form.Wherein, every two peripheries, strip structure intersection are formed with turning 163e.Wherein, the inner side of the second strip structure 163b being oppositely arranged and Article 4 shape structure 163d is respectively equipped with breach 163f, and this two breach 163f is respectively the inner surface surperficial recessed formation laterally of two relative strip structures.The shape of this two breach 163f and two lug 141b on blooming piece 141 is corresponding identical respectively, and the size of breach 163f is slightly larger than the size of the lug 141b that shape is identical, for accommodating the lug 141b of the plurality of blooming piece 141.
This limited section 16b further comprises the second limiting structure 164.This first limiting structure 163 comprises a free end 170, and this free end 170 is one end that this first limiting structure protrudes from the exiting surface 162 of this main body 16a, and this free end 170 comprises the end face 170a relative with this bottom surface 161.This second limiting structure 164 protrudes from the end face 170a of the free end 170 of this first limiting structure 163, forms step with this free end 170.This second limiting structure 164 defines an accommodation space 171 jointly with the end face 170a of the free end 170 of this first limiting structure 163, for placing this display panels 12.This end face 170a is used for carrying this display panels 12.The sticky note of this display panels 12 is on this end face 170a.
This second limiting structure 164 comprises at least two kinks 172, preferably, this at least two kink 172 Wei “ ∟ " type kink 172.Each “ ∟ " type kink 172 is corresponding with a turning 163e respectively.In the present embodiment, this Er “ ∟ at least " type kink 172 is Si “ ∟ " type kink.Variable ground, this is Er “ ∟ at least " type kink 172 is Er “ ∟ " type kink.This two " ∟ " type kink 172 is respectively with to be positioned at two turning 163e on a pair of linea angulata corresponding.
This second limiting structure 164 further comprises bar shaped stop block 173, this bar shaped stop block and Gai “ ∟ " setting of type kink interval.
In the present embodiment, this first limiting structure 163 is identical with the material of this second limiting structure 164, and is light absorbent, as the resin material of black.The material of this limited section 16b is different from the material of this main body 16a.This main body 16a is white resin material.Further, this limited section 16b and this main body 16a can process by two-color injection forming technique or twice ejaculating forming technology.
Refer to Fig. 6, Fig. 6 is Gai “ ∟ " enlarged diagram of type kink 172.Gai “ ∟ " inner side of type kink 172 is formed with to Gai “ ∟ " type kink 172 inner recess “ ∟ " type dashpot 172a.Gai “ ∟ " type dashpot 172a is used for keeping Gai “ ∟ " keep certain distance between type kink 172 and the turning of this display panels 12, prevent from damaging the turning of this display panels 12.
Refer to Fig. 7, Fig. 7 is the perspective view of this light source assembly 19.This light source assembly 19 comprises circuit board 191, multiple light source 192 and drive circuit 193.This circuit board 191 is for carrying the plurality of light source 192 and this drive circuit 193.This drive circuit 193 is for driving the plurality of light source 192 luminous.Wherein, this circuit board 191 comprises the width of one end of these drive circuit 193 place circuit boards 191 width of the remainder of this circuit board 191 is wide.
Refer to Fig. 8, Fig. 8 is the local enlarged diagram at VIII place on LGP 16 shown in Fig. 4.The side of this LGP 16 between the end face 170a of this free end 170 and the bottom surface 161 of this main body 16a is formed with the storage tank 16c inner recessed to this main body 16a, and this storage tank 16c is used for accommodating this light source assembly 19.
See also Fig. 9-10, Fig. 9 is the package assembly schematic diagram of liquid crystal indicator 1 shown in Fig. 1.Figure 10 is the part section structural representation along X-X direction on this liquid crystal indicator 1 shown in Fig. 9.The assembling process of this liquid crystal indicator 1 is: first, the sticky note of this reflector plate 18 is in the accepting groove 161a of the bottom surface 161 of this LGP 16; This light source assembly 19 is pasted in this storage tank 16c; The sticky note of this optical diaphragm group 15 is on the exiting surface 162 of this main body 16a; This display panels 12 is pasted on the end face 170a of free end 170 of this first limiting structure 163, and the printed circuit board (PCB) 133 in this drive circuit assembly 13 is around arriving these reflector plate 18 1 side (not shown); Finally, this shading rubber belt 10 is attached at the non-display area 12b of this liquid crystal indicator 1, prevents that the light of this liquid crystal indicator 1 inside from penetrating from the non-display area 12b of this liquid crystal indicator 1.
Because LGP 16 of the present invention further comprises this limited section 16b, this limited section 16b comprises the first limiting structure 163 that surrounds receiving space 165 with the exiting surface 162 of this main body 16a, thereby this optical diaphragm group 15 can be by accommodating and be fixed in this receiving space 165 as modes such as sticky notes, thereby, can save the glue frame in prior art display unit.Therefore, there is the backlight module 14 of this LGP 16 and the thinner thickness of liquid crystal indicator 1.
Further, because this limited section 16b comprises the second limiting structure 164, this second limiting structure 164 matches with this first limiting structure 163 and forms accommodation space 171, defines the region of placing this display panels 12, and this free end 170 is for carrying this display panels 12.This display panels 12 can be by being fixed on this free end 170 as modes such as sticky notes.The sticky note of this reflector plate 18 is on the bottom surface 161 of this LGP 16.This light source assembly 19 is pasted in this storage tank 16c, and this shading rubber belt 10 is attached at the non-display area 12b of this liquid crystal indicator 1, so that the light in this liquid crystal indicator 1 is penetrated from the viewing area 12a of this display panels 12.Thereby this liquid crystal indicator 1 is without front frame and backboard in prior art display unit.And then the thickness of liquid crystal indicator 1 with this LGP 16 is thinner.
Further, this light source assembly 19 is pasted in this storage tank 16c, thus the visible ray that effectively utilizes the plurality of light source 192 to send, thus the quantity of this light source 192 capable of reducing using.And then the manufacturing cost of this liquid crystal indicator 1 is lower.
Those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (17)
1. a backlight module, this backlight module is used to display unit to provide backlight, this backlight module comprises light source assembly, LGP and optical diaphragm group, this LGP comprises main body, the light of this main body for guiding this light source assembly to send, this main body comprises exiting surface, this optical diaphragm group correspondence is arranged on exiting surface one side of this main body, it is characterized in that: the edge of this LGP is provided with limited section, this limited section comprises the first limiting structure, this first limiting structure protrudes from this exiting surface, this first limiting structure coordinates formation receiving space with this exiting surface, this optical diaphragm group is contained in this receiving space.
2. backlight module as claimed in claim 1, is characterized in that: the sticky note of this optical diaphragm group is in this receiving space.
3. backlight module as claimed in claim 1, is characterized in that: this main body and this limited section are structure as a whole.
4. backlight module as claimed in claim 3, is characterized in that: this main body and this limited section are for one-body molded by same material.
5. backlight module as claimed in claim 1, is characterized in that: the material of this limited section is different from the material of this main body.
6. backlight module as claimed in claim 1, is characterized in that: the material of this limited section is light absorbent.
7. backlight module as claimed in claim 1, is characterized in that: this first limiting structure is the hollow frame that multiple strip structures surround.
8. backlight module as claimed in claim 1, it is characterized in that: this optical diaphragm group comprises at least one blooming piece, this blooming piece comprises the lug that body and two opposite sides from this body extend out respectively, two opposite sides of this first limiting structure are formed with respectively breach, and this breach is accommodated two lugs of this blooming piece.
9. backlight module as claimed in claim 1, it is characterized in that: this LGP comprises the bottom surface relative with the exiting surface of this main body, this first limiting structure comprises a free end, this free end is one end that this first limiting structure protrudes from the exiting surface of this main body, this free end comprises the end face relative with the bottom surface of this LGP, this limited section further comprises the second limiting structure, this second limiting structure protrudes from the free-ended end face of this first limiting structure, and the free-ended end face of this second limiting structure and this first limiting structure defines an accommodation space jointly.
10. backlight module as claimed in claim 9, is characterized in that: this accommodation space is for accommodating the display floater of this display unit, and this end face is for carrying the display floater of display unit.
11. backlight modules as claimed in claim 9, is characterized in that: this LGP comprises multiple turnings, and this second limiting structure comprises at least Er ∟ type kink, and each ∟ type kink is corresponding with a turning.
12. backlight modules as claimed in claim 11, is characterized in that: this at least two ∟ type kink comprises the two ∟ type kinks that are positioned on a pair of linea angulata.
13. backlight modules as claimed in claim 11, it is characterized in that: the inner side of this ∟ type kink forms the ∟ type dashpot of oriented this ∟ type kink inner recess, this second limiting structure further comprises bar shaped stop block, and this bar shaped stop block is Yu the setting of Gai ∟ type kink interval.
14. backlight modules as claimed in claim 1, it is characterized in that: this backlight module further comprises reflector plate, this reflector plate is for reflecting light that this light source assembly the sends exiting surface to this main body, the bottom surface of this LGP is provided with an accepting groove of penetrating sheet for accommodating this, and this accepting groove is recessed to form to this exiting surface for this bottom surface.
15. 1 kinds of display unit, this display unit comprises display floater and backlight module, this display floater is for display frame, and this backlight module provides light source for this indicating template, it is characterized in that: this backlight module is the backlight module described in any one in the claims 1-14.
16. display unit as claimed in claim 15, is characterized in that: this display floater is contained in this accommodation space.
17. display unit as claimed in claim 16, is characterized in that: the sticky note of this display floater is on this end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210391338.5A CN103727453A (en) | 2012-10-16 | 2012-10-16 | Backlight module and display device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210391338.5A CN103727453A (en) | 2012-10-16 | 2012-10-16 | Backlight module and display device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103727453A true CN103727453A (en) | 2014-04-16 |
Family
ID=50451659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210391338.5A Pending CN103727453A (en) | 2012-10-16 | 2012-10-16 | Backlight module and display device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103727453A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717707A (en) * | 2016-04-28 | 2016-06-29 | 鄂尔多斯市源盛光电有限责任公司 | Backlight module and liquid display device |
| WO2016206139A1 (en) * | 2015-06-26 | 2016-12-29 | 武汉华星光电技术有限公司 | Reflective sheet, backlight module and display device |
| WO2018201311A1 (en) * | 2017-05-03 | 2018-11-08 | 瑞仪光电(苏州)有限公司 | Backlight module and display device |
-
2012
- 2012-10-16 CN CN201210391338.5A patent/CN103727453A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016206139A1 (en) * | 2015-06-26 | 2016-12-29 | 武汉华星光电技术有限公司 | Reflective sheet, backlight module and display device |
| CN105717707A (en) * | 2016-04-28 | 2016-06-29 | 鄂尔多斯市源盛光电有限责任公司 | Backlight module and liquid display device |
| WO2018201311A1 (en) * | 2017-05-03 | 2018-11-08 | 瑞仪光电(苏州)有限公司 | Backlight module and display device |
| US10641946B2 (en) | 2017-05-03 | 2020-05-05 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Back light module and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10670917B2 (en) | Lighting device and display device | |
| CN100378537C (en) | Backlight assembly and liquid crystal display apparatus having the same | |
| CN107357063B (en) | Display device and tiled display equipment comprising same | |
| KR102046765B1 (en) | Liquid Crystal Display Device | |
| CN100495133C (en) | Backlight unit and liquid crystal display comprising the same | |
| US8979352B2 (en) | Illumination device, display device, and television receiver device | |
| US10353138B2 (en) | Display device and method for fabricating the same | |
| US9366804B2 (en) | Backplane and backlight module and liquid crystal display device using same | |
| US9588274B2 (en) | Light bar and backlight module using same | |
| US9632358B2 (en) | Display apparatus | |
| US20150362652A1 (en) | Lighting device, display device, and television receiving device | |
| CN102518988B (en) | Backlight module | |
| US9810934B2 (en) | Display device | |
| US9268081B2 (en) | Light guide assembly, backlight module and liquid crystal display | |
| US9052421B2 (en) | Backlight unit for display device and driving method thereof | |
| US8477264B2 (en) | Liquid crystal module and liquid crystal display device | |
| CN102434824A (en) | Backlight module | |
| CN104345491A (en) | Light unit for display and liquid crystal display including same | |
| US20140375925A1 (en) | Display device and television device | |
| US20130135901A1 (en) | Illumination device and display device | |
| CN101403834B (en) | Backlight component | |
| US9939695B2 (en) | Display device | |
| CN103727453A (en) | Backlight module and display device with same | |
| US10054808B2 (en) | Display chassis and display device comprising the same | |
| CN203909434U (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140416 |