CN205782369U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN205782369U CN205782369U CN201620697576.2U CN201620697576U CN205782369U CN 205782369 U CN205782369 U CN 205782369U CN 201620697576 U CN201620697576 U CN 201620697576U CN 205782369 U CN205782369 U CN 205782369U
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- guide plate
- light guide
- backlight module
- fpc
- glue frame
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Abstract
The utility model discloses a kind of backlight module and display device.Backlight module includes the glue frame that LED group is connected with LED group, and be successively set on side that LED group is connected with glue frame and be positioned at the light guide plate inside glue frame and blooming piece, wherein: LED group includes FPC and at least one LEDs being arranged on FPC, FPC is arranged on the side relative with exiting surface of light guide plate, and FPC has the overlapping region not less than light guide plate with light guide plate, and the surface towards light guide plate side of FPC at least has reflecting layer in the region relative with light guide plate, at least one LEDs is distributed in all sides of light guide plate.The program compared to existing technology, enormously simplify the structure of backlight module, thus reduces the gauge of backlight module, improve packaging efficiency, and reduce production cost.
Description
Technical field
This utility model relates to Display Technique field, particularly relates to a kind of backlight module and display device.
Background technology
Along with the development of science and technology, increasing intelligence is dressed in the life that product enters people, small and exquisite, lightening intelligence
Product can be dressed and be particularly subject to consumers.
As described in Fig. 1 a and Fig. 1 b, the backlight module of existing Intelligent worn device generally comprises metal backing 013, glue frame
02, reflector plate 012, LED (light emitting diode, light emitting diode) lamp group 01, light guide plate 03 and blooming piece 04
Deng parts, wherein, LED group 01 includes FPC (Flexible Printed Circuit board, flexible printed circuit board)
010 and the LED 011 that is arranged on FPC 010.Present inventor sends out in the development process be engaged in Intelligent worn device
Existing, existing Intelligent worn device is usually present techniques below problem:
Backlight module parts within existing Intelligent worn device are more, and during assembling, operation complexity, inefficient；Backlight
The reflector plate 012 of module needs to be assembled between light guide plate 03 and metal backing 013, due to thinner thickness, easily because of operation not
When and injured is scrapped；The production cost that aforementioned technical problem also also results in Intelligent worn device is higher, and also limit intelligence
The lightening development of energy wearable device；Additionally, as illustrated in figure 1 c, the picture of prior art backlight module holds between two LEDs
Speck 014 easily occurs, causes optical quality poor.
Utility model content
This utility model embodiment provides a kind of backlight module and display device, to simplify the structure of backlight module, thus
Reduce the gauge of backlight module, improve its packaging efficiency, reduce its production cost.
This utility model embodiment provides a kind of backlight module, the glue being connected including LED group with described LED group
Frame, and be successively set on side that described LED group is connected with described glue frame and be positioned at the light guide plate inside described glue frame and
Blooming piece, wherein:
Described LED group includes that FPC and at least one LEDs being arranged on described FPC, described FPC are led described in being arranged on
The side relative with exiting surface of tabula rasa, and described FPC and described light guide plate have the overlapping region not less than described light guide plate,
And described FPC at least has reflecting layer in the region relative with described light guide plate towards the surface of described light guide plate side, described
At least one LEDs is distributed in all sides of described light guide plate.
In this utility model embodiment technical scheme, internal part is played a supporting role by the FPC of LED group, thus
Metal backing of the prior art can be cancelled, FPC towards the surface of light guide plate side at least in the region relative with light guide plate
Having reflecting layer, reflecting layer can substitute traditional reflector plate, and compared to existing technology, the program enormously simplify backlight module
Structure, thus reduce the gauge of backlight module, improve packaging efficiency, and reduce production cost.
Preferably, described LED is two, and the direction of main light emission of two described LED is parallel and in opposite direction.Use this to set
Meter, the direction of main light emission of two LEDs staggers, it is simple to carries out optical design, and is conducive to improving optical homogeneity property, promotes display
The display quality of part.
Preferably, the light guide plate of symmetric shape centered by described light guide plate.The backlight module using the program can be applicable to
In the product such as intelligent watch or the Intelligent bracelet with display screen.
Optionally, described light guide plate includes that circular light guide plate, oval light guide plate, square light guide plate or hexagon are guide-lighting
Plate.
Preferably, two described LED are centrosymmetric setting.Using this design, the light that two LEDs send is respectively at a pair
Claim the both sides dispersive propagation of axis (this axis of symmetry is through the center of light guide plate and the direction of main light emission that is parallel to LED), from
And easily facilitate optical design, be conducive to improving further optical homogeneity property, promote the display quality of display device.
Preferably, described FPC includes that golden finger, described FPC part in addition to golden finger have centrosymmetric structure.This
Sample, LED group has two and assembles placement location, and the two assembles placement location and differs 180 °, at arbitrary assembling placement location
All can assemble with glue frame, and without distinguishing the direction of stretching out of golden finger, therefore, this design can simplify assembling work further
Skill, improves packaging efficiency.
Optionally, described reflecting layer is white reflecting layer or argentum reflecting layer.
It is also preferred that the left described glue frame is adhesively fixed with described FPC.Use this design, glue frame and FPC assembling simplicity, dismounting side
Just.
It is also preferred that the left backlight module also includes: be attached at the shading glue of the neighboring area of described glue frame and described blooming piece
Band.Shading rubber belt can block veiling glare, reduces edge light leak, thus improves the optical quality of display device further.
This utility model embodiment also provides for a kind of display device, including the backlight mould described in aforementioned arbitrary technical scheme
Group.The gauge of the backlight module of this display device is less, and packaging efficiency is higher, and production cost ratio is relatively low.
Optionally, described display device includes intelligent watch or has the Intelligent bracelet of display screen.
Accompanying drawing explanation
Fig. 1 a is the cross section structure schematic diagram of prior art backlight module；
Fig. 1 b is the LED distribution schematic diagram of prior art LED lamp group；
Fig. 1 c is the picture stimulated design sketch of prior art backlight module；
Fig. 2 is the cross section structure schematic diagram of this utility model one embodiment backlight module；
Fig. 3 is the front view of this utility model one embodiment LED group.
Reference:
Prior art part:
01-LED lamp group；02-glue frame；03-light guide plate；04-blooming piece；010-FPC；011-LED；012-reflector plate；
013-metal backing；014-speck.
This utility model embodiment part:
1-LED lamp group；2-glue frame；3-light guide plate；4-blooming piece；10-FPC；11-LED；
12-reflecting layer；13-golden finger；5-gum；6-shading rubber belt.
Detailed description of the invention
For reducing the gauge of backlight module, improving its packaging efficiency, reduce its production cost, this utility model is implemented
Example provides a kind of backlight module and display device.For making the purpose of this utility model, technical scheme and advantage clearer, with
Lower for embodiment, this utility model is described in further detail.
As shown in Figures 2 and 3, the backlight module that this utility model one embodiment provides, including LED group 1 and LED
The glue frame 2 of group 1 connection, and be successively set on side that LED group 1 is connected with glue frame 2 and be positioned at the light guide plate inside glue frame 2
3 and blooming piece 4, wherein:
LED group 1 includes FPC 10 and at least one LEDs 11 being arranged on FPC 10, and FPC 10 is arranged on light guide plate
The side relative with exiting surface of 3, and FPC 10 has the overlapping region not less than light guide plate 3, and FPC 10 court with light guide plate 3
At least have reflecting layer 12 in the region relative with light guide plate 3 to the surface of light guide plate 3 side, at least one LEDs 11 is distributed in
All sides of light guide plate 3.
The concrete application product type of above-described embodiment backlight module does not limits, such as, can apply at intelligent watch or tool
In the display devices such as the Intelligent bracelet having display screen.The global shape of backlight module substantially can be rounded, square or the most polygon
Shape etc..
As shown in Figure 1a, in the prior art, the reflector plate 012 of backlight module needs to be assembled in light guide plate 03 and metal backing
Between plate 013, due to thinner thickness, easily because of misoperation, injured is scrapped, the most relatively costly, and causes backlight module
Thickness bigger.
In this utility model embodiment technical scheme, eliminate metal backing of the prior art, by LED group 1
Internal part is played a supporting role by FPC 10, FPC 10 towards the surface of light guide plate 3 side at least relative with light guide plate 3
Region has reflecting layer 12, and reflecting layer 12 can substitute traditional reflector plate, and compared to existing technology, the program enormously simplify the back of the body
The structure of light module, thus reduce the gauge of backlight module, improve packaging efficiency, and reduce production cost.
The concrete material type in reflecting layer 12 does not limits, and can be white reflecting layer or argentum reflecting layer, it is possible to use high reflection
Ink printing is formed.FPC 10 only can arrange reflection in the region relative with light guide plate 3 towards the surface of light guide plate 3 side
Layer, it is also possible to reflecting layer is set in whole region, it is preferred to use latter scheme, so, it is simple to the processing and fabricating of FPC 10.
As it is shown on figure 3, in preferred embodiment of the present utility model, LED 11 is two, the main light emission side of two LEDs 11
To parallel and in opposite direction.The lighting angle of LED is generally 100 °～140 °, generally definition LED luminescence bisector of angle direction
As direction of main light emission.This design, the direction of main light emission of two LEDs 11 is used to stagger, it is simple to carry out optical design, and favorably
In improving optical homogeneity property, promote the display quality of display device.
The concrete shape of light guide plate 3 does not limits, preferably the light guide plate of centrosymmetry shape.Such as, circular light guide plate is (such as figure
Shown in 3), oval light guide plate, square light guide plate or hexagon light guide plate, etc..The backlight module using the program can be applied
In the products such as intelligent watch or the Intelligent bracelet with display screen.
In this utility model embodiment backlight module, the light that LED 11 sends enters through all side end faces of light guide plate 3
In light guide plate 3, the light guide plate 3 side surface near reflecting layer 12 is designed with optics site (not shown), and optics site can
So that the light injected is broken up, penetrate away from a side surface in reflecting layer 12 from light guide plate 3 after being allowed to homogenization.Reflecting layer 12 is right
The reflection of light can make more light enter light guide plate 3, thus improves light utilization efficiency.And light can be risen by blooming piece 4
To blast and the effect of further homogenization, so that backlight module can provide optical quality preferable face light.
As shown in fig. 1b and fig. lc, in the prior art, the LED 011 of backlight module is two, is commonly designed a certain
, easily there is speck 014 between two LEDs 011, causes optical quality poor in the same side of the axis of symmetry.And it is new in this practicality
In the technical scheme of type one embodiment, refer to shown in Fig. 3, LED11 is two, and this two LEDs 11 is centrosymmetric setting.
Use this design, the light that two LEDs 11 send respectively an axis of symmetry (this axis of symmetry through the center of light guide plate 3 and
Be parallel to the direction of main light emission of LED 11) both sides dispersive propagation, thus easily facilitate optical design, be conducive to improving further
Optical homogeneity property, promotes the display quality of display device.
As it is shown on figure 3, FPC 10 generally individually includes the golden finger 13 for accessing signal, it is preferable to carry out at this utility model
In the scheme of example, the FPC 10 part in addition to golden finger 13 has centrosymmetric structure.So, LED group 1 has two groups
Putting seated position, the two assembles placement location and just differs 180 °, all can assemble with glue frame at arbitrary assembling placement location,
And without distinguishing the direction of stretching out of golden finger 13, therefore, this design can simplified assembling process further, improve packaging efficiency.
In previous embodiment, glue frame 2 does not limits with the concrete type of attachment of FPC 10, for example, it is possible to connected by securing member.
In preferred embodiment of the present utility model, glue frame 2 is adhesively fixed with FPC 10, such as by being arranged on the gum on FPC 10
5 are adhesively fixed.Using this design, glue frame 2 and FPC 10 to assemble simplicity, convenient disassembly, FPC 10 itself has pliability, permissible
Reduce pullling deformation or damaging glue frame 2, and also allow for carrying out follow-up assembling procedure.
As in figure 2 it is shown, it is also preferred that the left backlight module also includes: it is attached at the screening of the neighboring area of glue frame 2 and blooming piece 4
Light adhesive tape 6.Shading rubber belt 6 can block veiling glare, reduces edge light leak, thus improves the optics product of display device further
Matter.
With reference to shown in Fig. 2, the assembling process of the provided backlight module of this utility model embodiment is as follows:
The FPC 10 of LED group 1 is adhesively fixed with glue frame 2；
Light guide plate 3 is fixed in the inner side of glue frame 2；
By each blooming piece 4, such as diffusion sheet, the first prismatic lens, the second prismatic lens etc. are assembled in going out of light guide plate 3 successively
Bright finish side；
Shading rubber belt 6 is attached at glue frame 2 and the neighboring area of blooming piece 4, completes the assembling of backlight module.
Visible, compared to existing technology, this backlight module, without carrying out the assembling of metal backing and reflector plate, enormously simplify
The structure of backlight module, thus reduce the gauge of backlight module, improve packaging efficiency, and reduce production cost.
This utility model embodiment also provides for a kind of display device, including the backlight module of aforementioned arbitrary technical scheme.Should
The gauge of the backlight module of display device is less, and packaging efficiency is higher, and production cost ratio is relatively low.The concrete kind of display device
Type does not limits, for example, it is possible to be intelligent watch, or has the Intelligent bracelet of display screen, etc..
Obviously, those skilled in the art can carry out various change and modification without deviating from this practicality to this utility model
Novel spirit and scope.So, if of the present utility model these amendment and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to comprise these change and modification.
Claims (11)
1. a backlight module, it is characterised in that include the glue frame that LED group is connected with described LED group, and set successively
Put in the side that described LED group is connected with described glue frame and be positioned at the light guide plate inside described glue frame and blooming piece, wherein:
Described LED group includes FPC and at least one LEDs being arranged on described FPC, and described FPC is arranged on described light guide plate
The side relative with exiting surface, and described FPC and described light guide plate have the overlapping region not less than described light guide plate, and institute
State FPC and at least there is in the region relative with described light guide plate towards the surface of described light guide plate side reflecting layer, described at least
One LEDs is distributed in all sides of described light guide plate.
2. backlight module as claimed in claim 1, it is characterised in that described LED is two, the main light emission of two described LED
Direction is parallel and in opposite direction.
3. backlight module as claimed in claim 2, it is characterised in that the light guide plate of symmetric shape centered by described light guide plate.
4. backlight module as claimed in claim 3, it is characterised in that described light guide plate includes that circular light guide plate, ellipse are led
Tabula rasa, square light guide plate or hexagon light guide plate.
5. backlight module as claimed in claim 3, it is characterised in that two described LED are centrosymmetric setting.
6. backlight module as claimed in claim 3, it is characterised in that described FPC includes golden finger, and described FPC removes described gold
Part outside finger has centrosymmetric structure.
7. backlight module as claimed in claim 1, it is characterised in that described reflecting layer is white reflecting layer or argentum reflecting layer.
8. backlight module as claimed in claim 1, it is characterised in that described glue frame is adhesively fixed with described FPC.
9. the backlight module as described in any one of claim 1～8, it is characterised in that also include: be attached at described glue frame and institute
State the shading rubber belt of the neighboring area of blooming piece.
10. a display device, it is characterised in that include the backlight module as described in any one of claim 1～9.
11. display devices as claimed in claim 10, it is characterised in that described display device includes intelligent watch or has aobvious
The Intelligent bracelet of display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697576.2U CN205782369U (en) | 2016-07-05 | 2016-07-05 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697576.2U CN205782369U (en) | 2016-07-05 | 2016-07-05 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205782369U true CN205782369U (en) | 2016-12-07 |
Family
ID=58127128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620697576.2U Active CN205782369U (en) | 2016-07-05 | 2016-07-05 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205782369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016067A (en) * | 2016-07-05 | 2016-10-12 | 厦门京东方电子有限公司 | Backlight module and display device |
| CN110441959A (en) * | 2019-08-06 | 2019-11-12 | 深圳市利航电子有限公司 | A kind of circle screen back light source structure |
-
2016
- 2016-07-05 CN CN201620697576.2U patent/CN205782369U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016067A (en) * | 2016-07-05 | 2016-10-12 | 厦门京东方电子有限公司 | Backlight module and display device |
| CN106016067B (en) * | 2016-07-05 | 2019-03-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN110441959A (en) * | 2019-08-06 | 2019-11-12 | 深圳市利航电子有限公司 | A kind of circle screen back light source structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180418 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Address before: 361101 Fujian, Xiamen torch hi tech Zone (Xiangan) Industrial Zone Xiang Hong Road, No. 1, 1-2 layer Co-patentee before: BOE Technology Group Co., Ltd. Patentee before: Xiamen BOE Co., Ltd. |
|
| TR01 | Transfer of patent right |