CN205899198U - Back light module and liquid crystal display device - Google Patents
Back light module and liquid crystal display device Download PDFInfo
- Publication number
- CN205899198U CN205899198U CN201620408882.XU CN201620408882U CN205899198U CN 205899198 U CN205899198 U CN 205899198U CN 201620408882 U CN201620408882 U CN 201620408882U CN 205899198 U CN205899198 U CN 205899198U
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- CN
- China
- Prior art keywords
- reflectance coating
- adhesive tape
- guide plate
- double faced
- light guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model discloses a back light module and liquid crystal display device, backlight unit includes the shading adhesive tape, be located shading adhesive tape below optical film layer, be located the optical film layer below the light guide plate, connect through FPC double sided glue and is gluing frame inboard light source and FPC and reflectance coating. Be equipped with on the reflectance coating one the reflection protection film, should reflect the protection film pass through the double faced adhesive tape with the reflectance coating bonds mutually, just the double faced adhesive tape is located the edge of reflection protection film, the double faced adhesive tape with there is the distance of settlement at the edge of reflectance coating, be equipped with a lug on the reflection protection film, the reflection protection film of being convenient for tear, and tearing when reflecting the protection film, the reflectance coating can not torn together. The problem of among the prior art back light module and liquid crystal display device, tear the reflectance coating together to come easily during the protection film in the reflection of tearing to damage backlight unit's technique is solved.
Description
Technical field
This utility model is related to field of liquid crystal display, more particularly to one kind protect reflectance coating not by
The backlight module torn and liquid crystal indicator.
Background technology
Liquid crystal display (liquid crystal display, lcd) is extensive
It is applied in various electronic products, liquid crystal display is most of to be backlight liquid crystal
Display, it includes display panels and backlight module.
Existing backlight module includes light guide plate, is used for luminous light source, passes through glue frame admittedly
It is scheduled on optical film above light guide plate, fpc and reflectance coating.Described light source includes: light source
Substrate；And it is disposed on the luminescence component on substrate.Described fpc and light source substrate pass through
Fpc double faced adhesive tape is fixed on inside glue frame；Reflectance coating is fixed on the glue frame back side after covering light guide plate；
Described reflectance coating surface is bonded with a reflection protection film, and this reflection protection film passes through marginal adhesion
Mode is bonded on the side of reflectance coating.But this backlight module by reflection protection film from anti-
Penetrating when tearing on film, easily reflectance coating being torn together, thus damaging backlight module.
Now it is badly in need of a kind of backlight module and liquid crystal indicator, to solve the above problems.
Utility model content
This utility model provides a kind of backlight module protecting reflectance coating not to be torn and liquid crystal
Display device, to solve in prior art backlight module and liquid crystal indicator in reflection of tearing
During protecting film, easily reflectance coating is torn it down together, thus damaging the technical problem of backlight module.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of backlight module,
Described backlight module includes:
Shading adhesive plaster, positioned at backlight module top, is used for preventing backlight module light leak；
Optical film, positioned at the lower section of described shading adhesive plaster；
Light guide plate, is arranged on the lower section of described optical film, described light guide plate include incidence surface and
Exiting surface, described incidence surface is located at light guide plate side, and exiting surface is located at the top of light guide plate；
Light source, is arranged on corresponding with described incidence surface position in glue frame；Including light source substrate,
And it is disposed on the luminescence component on substrate；
Described glue frame, in border shape, is used for fixing described light guide plate, optical film and shading
Adhesive plaster；
Reflectance coating, is fixed on outside glue frame after covering light guide plate；
Reflection protection film, is bonded on described reflectance coating by double faced adhesive tape, described double faced adhesive tape is located at
The edge of reflection protection film, the side of described double faced adhesive tape to described reflectance coating has the distance of setting.
On backlight module described in the utility model, the setting of double faced adhesive tape to reflectance coating side away from
From for 0.5 to 1.5 millimeter.
On backlight module described in the utility model, described reflectance coating protecting film have one to be easy to
The lug torn.
On backlight module described in the utility model, in described glue frame, it is provided with fpc, fpc and light
Source substrate is fixed on inside glue frame by fpc double faced adhesive tape.
On backlight module described in the utility model, described optical film includes stacking successively
Upper brightening piece, lower brightening piece and diffusion barrier.
This utility model further relates to a kind of liquid crystal indicator, wherein said liquid crystal indicator bag
Include:
Display floater；
And backlight module；Including:
Shading adhesive plaster, positioned at backlight module top, is used for preventing backlight module light leak；
Optical film, positioned at the lower section of described shading adhesive plaster；
Light guide plate, is arranged on the lower section of described optical film, and described light guide plate is included into light
Face and exiting surface, described incidence surface is located at light guide plate side, and exiting surface is located at the top of light guide plate；
Light source, is arranged on corresponding with described incidence surface position in glue frame；Including light source
Substrate, and it is disposed on the luminescence component on substrate；
Described glue frame, in border shape, be used for fixing described light guide plate, optical film and
Shading adhesive plaster；
Reflectance coating, is fixed on outside glue frame after covering light guide plate；
Reflection protection film, is bonded on described reflectance coating by double faced adhesive tape, described double faced adhesive tape
Positioned at the edge of reflection protection film, the side of described double faced adhesive tape to described reflectance coating have setting away from
From.
Preferably, the setpoint distance of described double faced adhesive tape to described reflectance coating side is 0.5 to 1.5
Millimeter.
Preferably, described reflectance coating protecting film there is a lug being easy to tear.
Preferably, it is provided with fpc in described glue frame, fpc and light source substrate pass through fpc double faced adhesive tape admittedly
It is scheduled on inside glue frame.
Preferably, described optical film includes stacking successively upper brightening piece, lower brightening piece and
Diffusion barrier.
This utility model compared with existing backlight module, its advantage:
1st, reflection protection film is mutually bonding with described reflectance coating by double faced adhesive tape, described double faced adhesive tape position
In the edge of reflection protection film, there is the distance of setting at the edge of described double faced adhesive tape and reflectance coating, makes
Obtain when tearing reflection protection film, reflectance coating will not be torn.
2nd, reflectance coating protecting film is provided with a lug, is easy to reflection protection film of tearing.
3rd, it is provided with a shading adhesive plaster above optical film, be prevented from the leakage of light.
Brief description
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in further detail.
Fig. 1 is the preferred embodiment structural representation of backlight module of the present utility model.
Fig. 2 is the structural representation of backlight module reflection protection film of the present utility model.
Fig. 3 is the profile chart of a-a ' in Fig. 2.
In figure: 1, glue frame；
2nd, light guide plate；
3rd, optical film；
31st, add lustre on；
32nd, add lustre under；
33rd, diffusion barrier；
4th, reflectance coating；
41st, reflection protection film；
42nd, lug；
43rd, double faced adhesive tape；
5th, shading glue；
6、fpc；
7th, light source；
8th, fpc double faced adhesive tape.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme be clearly and completely described it is clear that described embodiment is only this
The a part of embodiment of utility model, rather than whole embodiments.Based in this utility model
Embodiment, those of ordinary skill in the art are obtained all under the premise of not making creative work
Other embodiment, broadly falls into the scope of this utility model protection.
In in figure, the similar unit of structure is to be represented with identical label.
Refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the preferred of backlight module of the present utility model
Example structure schematic diagram, Fig. 2 is the structure of backlight module reflection protection film of the present utility model
Schematic diagram, Fig. 3 is the profile chart of a-a ' in Fig. 2.
This utility model provides a kind of technical scheme: a kind of backlight module, described backlight module bag
Include shading adhesive plaster 5, optical film 3, light guide plate 2, light source 7, reflectance coating 4 and glue frame 1；
Described shading adhesive plaster 5 is located at backlight module top, is used for preventing backlight module light leak；Described light
Learn film layer 3, positioned at the lower section of described shading adhesive plaster 5；Described light guide plate 2, is arranged on described
The lower section of optical film 3, described light guide plate 2 includes incidence surface and exiting surface, described incidence surface
Positioned at light guide plate 2 side, exiting surface is located at the top of light guide plate 2；Described light source 7, setting
The position corresponding with described incidence surface in glue frame 1；Including light source substrate, and interval sets
Put the luminescence component on substrate；Described glue frame 1, in border shape, is used for fixing described leaded light
Plate 2, optical film 3 and shading adhesive plaster 5；Described reflectance coating 4, after covering light guide plate 2
It is fixed on outside glue frame 1；Described reflectance coating 4 is provided with a reflection protection film 41, described anti-
Penetrate protecting film 41 to be bonded on described reflectance coating 4 by double faced adhesive tape 43, described double faced adhesive tape 43
Positioned at the edge of reflection protection film 41, the edge of double faced adhesive tape 43 and reflectance coating 4 have setting away from
From.
Preferably, described double faced adhesive tape 43 arrive reflectance coating 4 edge setpoint distance be 0.5 to
1.5 millimeter.
Operation principle of the present utility model:
When using, first, with glue frame 1 by light guide plate 2, optical film 3 and shading
Glue 5 is fixed together, then fpc6 and light source 7 are fixed on glue frame with fpc double faced adhesive tape 8
1 inner side；
Upper brightening piece 31 that described optical film 3 includes stacking successively, lower brightening piece 32 and
Diffusion barrier 33；
Then reflectance coating 4 is covered on light guide plate 2, after covering light guide plate 2, be fixed on glue
Outside frame 1；One reflection protection film 41 arranged on reflectance coating 4, described reflectance coating 4 with anti-
Penetrate protecting film 41 and pass through double faced adhesive tape 43 bonding, described double faced adhesive tape 43 is located at reflection protection film 41
Edge, but there is the distance of setting at the edge of described double faced adhesive tape 43 and described reflectance coating 4；
Reflection protection film 41 is provided with a lug 42 being easy to tear, and it is convex that staff passes through this
Ear 42 is torn reflection protection film 41；
Because reflection protection film 41 is bonded on described reflectance coating 4 by double faced adhesive tape 43, described
Double faced adhesive tape 43 is located at the edge of reflection protection film 41, but described double faced adhesive tape 43 and described reflection
There is a certain distance at the edge of film 4, therefore when tearing reflection protection film 41, will not
Reflectance coating 4 is torn together.
So complete the work process of this preferred embodiment.
The backlight module of this preferred embodiment is by the double faced adhesive tape 43 on reflection protection film 41
Move so that there is the distance of setting at the edge of described double faced adhesive tape 43 and reflectance coating 4, thus tearing
During lower reflection protection film 41, reflectance coating 4 will not be torn.Due on reflectance coating protecting film 41
It is provided with a lug 42, be easy to reflection protection film 41 of tearing；It is provided with a screening above optical film 3
Light adhesive plaster 5, is prevented from the leakage of light.
This utility model also includes a kind of liquid crystal indicator, comprising: display floater, and the back of the body
Optical module；Described backlight module includes shading adhesive plaster 5, optical film 3, light guide plate 2, light
Source 7, reflectance coating 4 and glue frame 1；Described shading adhesive plaster 5 is located at backlight module top, uses
In preventing backlight module light leak；Described optical film 3, positioned at the lower section of described shading adhesive plaster 5；
Described light guide plate 2, is arranged on the lower section of described optical film 3, described light guide plate 2 include into
Bright finish and exiting surface, described incidence surface is located at light guide plate 2 side, and exiting surface is located at light guide plate 2
Top；Described light source 7, is arranged on corresponding with described incidence surface position in glue frame 1；
Including light source substrate, and it is disposed on the luminescence component on substrate；Described glue frame 1, be in
Border shape, is used for fixing described light guide plate 2, optical film 3 and shading adhesive plaster 5；Described
Reflectance coating 4, is fixed on outside glue frame 1 after covering light guide plate 2；Described reflectance coating 4 is provided with
One reflection protection film 41, described reflection protection film 41 is bonded in described anti-by double faced adhesive tape 43
Penetrate on film 4, described double faced adhesive tape 43 is located at the edge of reflection protection film 41, but double faced adhesive tape 43
There is the distance of setting with the edge of reflectance coating 4.
Preferably, described double faced adhesive tape 43 arrive reflectance coating 4 edge setpoint distance be 0.5 to
1.5 millimeter.
The liquid crystal indicator of this preferred embodiment is in the double faced adhesive tape 43 on reflection protection film 41
Move so that there is the distance of setting at the edge of described double faced adhesive tape 43 and reflectance coating 4, thus tearing
During lower reflection protection film 41, reflectance coating 4 will not be torn.Reflectance coating protecting film 41 is provided with
One lug 42, is easy to reflection protection film 41 of tearing；It is provided with a shading glue above optical film 3
Cloth 5, is prevented from the leakage of light.
The backlight module of this preferred embodiment and liquid crystal indicator will be used for bonding reflection protection
The side so that double faced adhesive tape 43 and reflectance coating 4 is moved in the double faced adhesive tape 43 of film 41 and reflectance coating 4
Edge has the distance of setting, so that when tearing reflection protection film 41, will not instead
Penetrate film 4 to tear together, solve backlight module and liquid crystal indicator in prior art and tearing
During lower reflection protection film 41, easily reflectance coating 4 is torn it down together, thus damaging backlight mould
The technical problem of group.
In sum although this utility model is disclosed above with preferred embodiment, but above-mentioned excellent
Select embodiment and be not used to limit this utility model, those of ordinary skill in the art, do not taking off
In spirit and scope of the present utility model, all can do various change and retouching, therefore this practicality
New protection domain is defined by the scope that claim defines.
Claims (10)
1. a kind of backlight module is it is characterised in that described backlight module includes:
Shading adhesive plaster, positioned at backlight module top, is used for preventing backlight module light leak；
Optical film, positioned at the lower section of described shading adhesive plaster；
Light guide plate, is arranged on the lower section of described optical film, described light guide plate include incidence surface and
Exiting surface, described incidence surface is located at light guide plate side, and exiting surface is located at the top of light guide plate；
Light source, is arranged on corresponding with described incidence surface position in glue frame；Including light source substrate,
And it is disposed on the luminescence component on substrate；
Described glue frame, in border shape, is used for fixing described light guide plate, optical film and shading
Adhesive plaster；
Reflectance coating, is fixed on outside glue frame after covering light guide plate；
Reflection protection film, is bonded on described reflectance coating by double faced adhesive tape, described double faced adhesive tape is located at
The edge of reflection protection film, the side of described double faced adhesive tape to described reflectance coating has the distance of setting.
2. backlight module according to claim 1 is it is characterised in that described double faced adhesive tape is to institute
The setpoint distance stating reflectance coating side is 0.5 to 1.5 millimeter.
3. backlight module according to claim 1 is it is characterised in that described reflectance coating is protected
One lug being easy to tear is had on film.
4. backlight module according to claim 1 is it is characterised in that be provided with described glue frame
Fpc, described fpc and described light source substrate are fixed on inside glue frame by fpc double faced adhesive tape.
5. backlight module according to claim 1 is it is characterised in that described optical film bag
Include the upper brightening piece stacking successively, lower brightening piece and diffusion barrier.
6. a kind of liquid crystal indicator is it is characterised in that described liquid crystal indicator includes:
Display floater；And
Backlight module, comprising:
Shading adhesive plaster, positioned at backlight module top, is used for preventing backlight module light leak；
Optical film, positioned at the lower section of described shading adhesive plaster；
Light guide plate, is arranged on the lower section of described optical film, and described light guide plate is included into light
Face and exiting surface, described incidence surface is located at light guide plate side, and exiting surface is located at the top of light guide plate；
Light source, is arranged on corresponding with described incidence surface position in glue frame；Including light source
Substrate, and it is disposed on the luminescence component on substrate；
Described glue frame, in border shape, be used for fixing described light guide plate, optical film and
Shading adhesive plaster；
Reflectance coating, is fixed on outside glue frame after covering light guide plate；
Reflection protection film, is bonded on described reflectance coating by double faced adhesive tape, described double faced adhesive tape
Positioned at the edge of reflection protection film, the side of described double faced adhesive tape to described reflectance coating have setting away from
From.
7. liquid crystal indicator according to claim 6 is it is characterised in that described double faced adhesive tape
Setpoint distance to described reflectance coating side is 0.5 to 1.5 millimeter.
8. liquid crystal indicator according to claim 6 is it is characterised in that described reflectance coating
One lug being easy to tear is had on protecting film.
9. liquid crystal indicator according to claim 6 is it is characterised in that in described glue frame
It is provided with fpc, fpc and light source substrate are fixed on inside glue frame by fpc double faced adhesive tape.
10. liquid crystal indicator according to claim 6 is it is characterised in that described blooming
Layer includes upper brightening piece, lower brightening piece and the diffusion barrier stacking successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408882.XU CN205899198U (en) | 2016-05-05 | 2016-05-05 | Back light module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408882.XU CN205899198U (en) | 2016-05-05 | 2016-05-05 | Back light module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205899198U true CN205899198U (en) | 2017-01-18 |
Family
ID=57765308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620408882.XU Expired - Fee Related CN205899198U (en) | 2016-05-05 | 2016-05-05 | Back light module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205899198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424516A (en) * | 2022-09-30 | 2022-12-02 | 业成科技（成都）有限公司 | Backlight module |
-
2016
- 2016-05-05 CN CN201620408882.XU patent/CN205899198U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424516A (en) * | 2022-09-30 | 2022-12-02 | 业成科技（成都）有限公司 | Backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20200505 |