CN205880447U - Back light module and liquid crystal display device - Google Patents
Back light module and liquid crystal display device Download PDFInfo
- Publication number
- CN205880447U CN205880447U CN201620701879.7U CN201620701879U CN205880447U CN 205880447 U CN205880447 U CN 205880447U CN 201620701879 U CN201620701879 U CN 201620701879U CN 205880447 U CN205880447 U CN 205880447U
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- China
- Prior art keywords
- chase
- glue
- guide plate
- fpc
- 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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Abstract
The utility model provides a back light module and liquid crystal display device, backlight unit includes LED lamp, FPC circuit board, light guide plate, reflectance coating, optics diaphragm and glues the chase, glue the chase include the chase body with set up in gluey frame member on the chase body, every frame of chase includes a plurality of gluey holes of drawing, it includes kerve, light trough, the heavy groove of FPC, diaphragm heavy groove, opening and barricade to glue frame member, glue the chase by the chase body with the frame member integrated into one piece that moulds plastics glues, compare like this in traditional gluey frame, the utility model discloses an intensity of gluing the chase is bigger, also avoids the tradition to glue frame easy problem of warping when transportation, storage and equipment to by a wide margin improvement the utility model discloses an intensity, better protection liquid crystal glazing, make the structure of product more firm reliably.
Description
Technical field
This utility model relates to backlight technology field, particularly relates to a kind of backlight module and liquid crystal indicator.
Background technology
Along with the development of backlight technology, liquid crystal display owing to profile is frivolous, volume is little, low pressure is low in energy consumption, radiationless etc.
Advantage, is favored by people, and therefore liquid crystal display is widely used in mobile phone, domestic TV display screen, computer and advertisement screen
Curtain etc..Owing to liquid crystal display is combined by multiple backlight assemblies, and each backlight assembly is connected the group being fixed as one
Part is then glue frame.
But for now, traditional glue frame very thin thickness, it is easily deformed when molding, glue frame is in transport, storage simultaneously
During depositing and assembling, also there will be situation about being easily deformed, the most just result in the instability of product structure, cause product
The decline of quality.
It is thus desirable to provide a kind of backlight module and liquid crystal indicator to solve above-mentioned technical problem.
Utility model content
This utility model embodiment provides a kind of backlight module with glue chase and liquid crystal indicator；Existing to solve
The technical problem that in some backlight modules and liquid crystal indicator, glue frame is easily deformed and product structure is more unstable.
This utility model embodiment provides a kind of backlight module and liquid crystal indicator, and described backlight module includes:
LED；
FPC circuit board, is used for being electrically connected with described LED, is positioned at above described LED；
Light guide plate, for described LED light is converted into area source, is positioned at the dead ahead of described LED light-emitting area；
Reflectance coating, upwards reflecting for will propagate to the light of described reflectance coating, being positioned at the bottom of described light guide plate；
Blooming piece, for described area source is optimized process, is positioned at above described light guide plate；
Glue chase, lives fixing described LED, FPC circuit board, reflectance coating, light guide plate and blooming piece for frame, is positioned at
The outside that described LED, FPC circuit board, reflectance coating, light guide plate and blooming piece are overall；
Described glue chase includes chase body and the glue members of frame being arranged on described chase body, described chase body and
Described glue members of frame is the integral structure of injection mo(u)lding, and each edge frame of described chase body is provided with multiple glue hole of drawing, described
Glue members of frame includes for housing and fix described light guide plate and reflectance coating and being positioned at the kerve bottom described glue chase, for holding
Light trough that is that put LED and that be positioned at described kerve front end, for housing described FPC circuit board and being positioned at above described light trough
FPC deep gouge, for housing described blooming piece and be positioned at the diaphragm deep gouge above described kerve, for through described FPC circuit
Plate and be positioned at the peristome of described FPC deep gouge front end and for blocking the barricade of external display panels.
In this utility model, the both sides, front end inside described glue chase are provided with for light guide plate described in stationary positioned
First salient angle and the second salient angle.
In this utility model, in said two salient angle, the first salient angle is right-angle prismatic post by top and bottom is cube
Composition, the second salient angle is cube, and the incident side of described first and second salient angles and described light guide plate matches.
In this utility model, described first and second salient angles are positioned at the corner of both sides, described kerve front end, and are positioned at institute
State the both sides of light trough.
In this utility model, described diaphragm deep gouge two sides and the back side all protrude from described kerve.
In this utility model, described barricade is positioned at the both sides of described glue chase outer surface front end, and from the edge of both sides
There is a certain distance.
In this utility model, described FPC circuit board is adhesively fixed with described FPC deep gouge bottom surface by FPC double faced adhesive tape.
In this utility model, the floor height of described FPC deep gouge equal to the apical side height of described kerve, its side and just
Face all protrudes from described light trough.
In this utility model, the middle part of described light trough inside front ends is provided with one and is generally rectangular shaped and for being adhesively fixed
State the projection of FPC double faced adhesive tape, and the height of the height the most described FPC deep gouge bottom surface of described projection.
This utility model further relates to a kind of liquid crystal indicator, and this liquid crystal indicator includes display panels and backlight
Module, described backlight module includes:
LED；
FPC circuit board, is used for being electrically connected with described LED, is positioned at above described LED；
Light guide plate, for described LED light is converted into area source, is positioned at the dead ahead of described LED light-emitting area；
Reflectance coating, upwards reflecting for will propagate to the light of described reflectance coating, being positioned at the bottom of described light guide plate；
Blooming piece, for described area source is optimized process, is positioned at above described light guide plate；
Glue chase, lives fixing described LED, FPC circuit board, reflectance coating, light guide plate and blooming piece for frame, is positioned at
The outside that described LED, FPC circuit board, reflectance coating, light guide plate and blooming piece are overall；
Described glue chase includes chase body and the glue members of frame being arranged on described chase body, described chase body and
Described glue members of frame is the integral structure of injection mo(u)lding, and each edge frame of described chase body is provided with multiple glue hole of drawing, described
Glue members of frame includes for housing and fix described light guide plate and reflectance coating and being positioned at the kerve bottom described glue chase, for holding
Light trough that is that put LED and that be positioned at described kerve front end, for housing described FPC circuit board and being positioned at above described light trough
FPC deep gouge, for housing described blooming piece and be positioned at the diaphragm deep gouge above described kerve, for through described FPC circuit
Plate and be positioned at the peristome of described FPC deep gouge front end and for blocking the barricade of external display panels.
Compared to backlight module and the liquid crystal indicator of prior art, backlight module of the present utility model and liquid crystal
Glue chase in display device is by chase body and to be arranged at chase glue members of frame itself one-body molded, this glue chase
When structure not only avoids tradition glue frame molding and glue frame transport, store and assemble during the problem that is easily deformed,
And improve the structural strength that this practicality is new, preferably protect liquid-crystalline glasses, and improve the reliability of product structure；Solve
Determine the structural unstable technical problem of existing backlight module and liquid crystal indicator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of backlight module of the present utility model；
Fig. 2 is the structural representation of the preferred embodiment of the glue chase of backlight module of the present utility model；
Fig. 3 is the enlarged drawing of A in Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those skilled in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1 to Fig. 3, in preferred embodiment of the present utility model, this backlight module includes that LED (is not marked in figure
Know), FPC circuit board 4, reflectance coating 2, light guide plate 5, blooming piece 6 and glue chase 1；Light guide plate 5 is for converting LED light
For area source, and it is positioned at the dead ahead of LED light-emitting area；Reflectance coating 2 upwards reflects for the light that will propagate to reflectance coating 2,
It is positioned at the bottom of light guide plate 5；Blooming piece 6, for area source is optimized process, is positioned at above light guide plate 5；Glue chase 1
Live fixing LED, FPC circuit board 4, reflectance coating 2, light guide plate 5 and blooming piece 6 for frame, be positioned at LED, FPC circuit board 4,
Reflectance coating 2, light guide plate 5 and the outside of blooming piece 6 entirety；
Glue chase 1 includes chase body and the glue members of frame 10 being arranged on described chase body, chase body and glue frame
10 parts are the integral structure of injection mo(u)lding, and each edge frame of chase body is provided with and multiple draws glue hole；Glue frame 10 parts include
For accommodating and lightguide plate fixing 5 and reflectance coating 2 and be positioned at the kerve 11 bottom glue chase 1, for that house LED and position
Light trough 13 in kerve 11 front end, for housing FPC circuit board 4 and being positioned at the FPC deep gouge 14 above light trough 13, for housing light
Learn diaphragm 6 and be positioned at the above diaphragm deep gouge 12 of kerve 11, for through FPC circuit board 4 and be positioned at described FPC deep gouge 14 front end
Peristome 15 and for blocking the barricade 16 of external display panels, FPC circuit board 4 is sunk with FPC by FPC double faced adhesive tape 3
Groove 14 bottom surface is adhesively fixed；
Wherein, the both sides, front end inside glue chase 1 are additionally provided with the first salient angle 18 for stationary positioned light guide plate 5 and
Two salient angles 17, the first salient angle 18 is right-angle prismatic post by top and bottom is that cube forms, and the second salient angle 17 is cube, and first
Match with light guide plate 5 with the second salient angle.
Further, the first and second salient angles are positioned at the corner of both sides, kerve 11 front end, and are positioned at the both sides of light trough 13, film
Sheet deep gouge 12 two sides and the back side all protrude from kerve 11；Barricade 16 is positioned at the both sides of glue frame 10 outer surface front end, and from both sides
Edge have a certain distance；The floor height of FPC deep gouge 14 is equal to the apical side height of kerve 11, and its side and front are the most prominent
In light trough 13, additionally the middle part of light trough 13 inside front ends is provided with one and is generally rectangular shaped and for the convex of FPC double faced adhesive tape 3 that be adhesively fixed
Block 19, and the height of the height of projection 19 substantially FPC deep gouge 14 bottom surface.
Installation and the operation principle of the backlight module of preferred embodiment of the present utility model be:
First FPC circuit board 4 it is fixedly bonded on FPC deep gouge 14 and projection 19 by FPC double faced adhesive tape 3 and connects fixing
Place the LED with light trough 13；Then, in kerve 11, light guide plate 5 and reflectance coating 2 are put into, wherein when putting into light guide plate 5,
By the side of light guide plate 5 incidence surface and the first salient angle 18 and the second salient angle 17 Corresponding matching, and combination is put in kerve 11；In
Diaphragm deep gouge 12 is put into blooming piece 6；Last all of backlight assembly entirety is fixedly connected in the glue frame 10 of glue chase 1
Side.
Its operation principle: first, LED emits beam；Then, light enters in light guide plate 5, and light guide plate 5 is interior by entering
Light carries out diffuse-reflectance process so that light is converted into uniform area source and sends from the exiting surface of light guide plate 5, wherein enters and leads
The some light of tabula rasa 5 touches reflectance coating 2, and is reflected film 2 and reflects until light is diffusely reflected process and uniform from leading
The exiting surface of tabula rasa 5 sends；Finally, the light that light sends from light guide plate 5 exiting surface touches blooming piece 6, at blooming piece 6
Under optimization function, propagate to display floater.
Complete installation and the work process of backlight module of the present utility model.
Preferred embodiment of the present utility model further relates to a kind of liquid crystal indicator, and this liquid crystal indicator includes display surface
Plate and above-mentioned backlight module, this backlight module include LED (not identifying in figure), FPC circuit board 4, reflectance coating 2, light guide plate 5,
Blooming piece 6 and glue chase 1；Light guide plate 5 for LED light being converted into area source, and be positioned at LED light-emitting area just before
Side；Reflectance coating 2 upwards reflects for the light that will propagate to reflectance coating 2, is positioned at the bottom of light guide plate 5；Blooming piece 6 is used for will
Area source is optimized process, is positioned at above light guide plate 5；Glue chase 1 lives fixing LED, FPC circuit board 4, reflection for frame
Film 2, light guide plate 5 and blooming piece 6, be positioned at LED, FPC circuit board 4, reflectance coating 2, light guide plate 5 and blooming piece 6 entirety
Outside；
Glue chase 1 includes chase body and the glue members of frame 10 being arranged on described chase body, chase body and glue frame
Parts 10 are the integral structure of injection mo(u)lding, and each edge frame of chase body is provided with and multiple draws glue hole；Glue frame 10 parts include
For accommodating and lightguide plate fixing 5 and reflectance coating 2 and be positioned at the kerve 11 bottom glue chase 1, for that house LED and be positioned at
The light trough 13 of kerve 11 front end, for housing FPC circuit board 4 and being positioned at the above FPC deep gouge 14 of light trough 13, for housing optics
Diaphragm 6 and be positioned at the above diaphragm deep gouge 12 of kerve 11, for through FPC circuit board 4 and be positioned at described FPC deep gouge 14 front end
Peristome 15 and for blocking the barricade 16 of display panels, FPC circuit board 4 is by FPC double faced adhesive tape 3 and FPC deep gouge 14 end
Face is adhesively fixed；
Wherein, the both sides, front end inside glue chase 1 are additionally provided with the first salient angle 18 for stationary positioned light guide plate 5 and
Two salient angles 17, the first salient angle 18 is right-angle prismatic post by top and bottom is that cube forms, and the second salient angle 17 is cube, and first
Match with light guide plate 5 with the second salient angle.
The operation principle of liquid crystal indicator of the present utility model and the preferred embodiment of backlight module of the present utility model
Operation principle same or similar, specifically refer to according to above preferred embodiment.
Preferred embodiment of the present utility model provides the benefit that:
First, the glue chase 1 in backlight module of the present utility model and liquid crystal indicator is by chase body and setting
One-body molded in chase glue members of frame 10 itself, the structure of glue chase 1 not only avoid tradition glue frame molding time and glue
The problem that frame is easily deformed during transporting, storing and assemble, and improve the structural strength that this practicality is new, more preferably
Protect liquid-crystalline glasses, and improve the reliability of product structure；
Second, in the glue chase 1 in this utility model, the both sides of inside front ends are provided with the first salient angle 18 and the second salient angle
17, owing to the shape of two salient angles is different, and match, hence in so that when installing light guide plate 5, keep away with the incident side of light guide plate 5
Exempt from the situation that light guide plate 5 is reversely installed, improve packaging efficiency；
3rd, each edge frame of the chase body in glue chase 1 in this utility model is provided with and multiple draws glue hole so that
Chase body is combined more firm with glue frame 10 parts, improves the structural strength of glue chase 1.
In sum, although this utility model is disclosed above with preferred embodiment, but above preferred embodiment is not used
To limit this utility model, those of ordinary skill in the art, without departing from spirit and scope of the present utility model, all can make
Various changes and retouching, protection domain the most of the present utility model defines in the range of standard with claim.
Claims (10)
1. a backlight module, it is characterised in that including:
LED；
FPC circuit board, is used for being electrically connected with described LED, is positioned at above described LED；
Light guide plate, for described LED light is converted into area source, is positioned at the dead ahead of described LED light-emitting area；
Reflectance coating, upwards reflecting for will propagate to the light of described reflectance coating, being positioned at the bottom of described light guide plate；
Blooming piece, for described area source is optimized process, is positioned at above described light guide plate；
Glue chase, lives fixing described LED, FPC circuit board, reflectance coating, light guide plate and blooming piece for frame, is positioned at described
The outside that LED, FPC circuit board, reflectance coating, light guide plate and blooming piece are overall；
Described glue chase includes chase body and the glue members of frame being arranged on described chase body, described chase body and described
Glue members of frame is the integral structure of injection mo(u)lding, and each edge frame of described chase body is provided with multiple glue hole of drawing, described glue frame
Parts include for housing and fix described light guide plate and reflectance coating and being positioned at the kerve bottom described glue chase, for housing
LED and be positioned at described kerve front end light trough, for housing described FPC circuit board and being positioned at the FPC above described light trough
Deep gouge, for house described blooming piece and be positioned at the diaphragm deep gouge above described kerve, for through described FPC circuit board and
It is positioned at the peristome of described FPC deep gouge front end and for blocking the barricade of external display panels.
Backlight module the most according to claim 1, it is characterised in that the both sides, front end inside described glue chase are provided with use
The first salient angle and the second salient angle in light guide plate described in stationary positioned.
Backlight module the most according to claim 2, it is characterised in that in said two salient angle, the first salient angle by top is
Right-angle prismatic post and bottom are cube composition, and the second salient angle is cube, and described first and second salient angles and described light guide plate
Incident side matches.
4. according to the backlight module described in Claims 2 or 3, it is characterised in that described first and second salient angles are positioned at the described end
The corner of front of the slot both sides, and it is positioned at the both sides of described light trough.
Backlight module the most according to claim 1, it is characterised in that described diaphragm deep gouge two sides and the back side all protrude from
Described kerve.
Backlight module the most according to claim 1, it is characterised in that described barricade is positioned at described glue chase outer surface front end
Both sides, and have a certain distance from the edge of both sides.
Backlight module the most according to claim 1, it is characterised in that described FPC circuit board passes through FPC double faced adhesive tape with described
FPC deep gouge bottom surface is adhesively fixed.
Backlight module the most according to claim 1, it is characterised in that the floor height of described FPC deep gouge is equal to the described end
The apical side height of groove, its side and front all protrude from described light trough.
Backlight module the most according to claim 7, it is characterised in that the middle part of described light trough inside front ends is provided with one substantially
For square and for being adhesively fixed the projection of described FPC double faced adhesive tape, and the height the most described FPC deep gouge bottom surface of described projection
Height.
10. a liquid crystal indicator, it is characterised in that include display panels and backlight module, described backlight module bag
Include:
LED；
FPC circuit board, is used for being electrically connected with described LED, is positioned at above described LED；
Light guide plate, for described LED light is converted into area source, is positioned at the dead ahead of described LED light-emitting area；
Reflectance coating, upwards reflecting for will propagate to the light of described reflectance coating, being positioned at the bottom of described light guide plate；
Blooming piece, for described area source is optimized process, is positioned at above described light guide plate；
Glue chase, lives fixing described LED, FPC circuit board, reflectance coating, light guide plate and blooming piece for frame, is positioned at described
The outside that LED, FPC circuit board, reflectance coating, light guide plate and blooming piece are overall；
Described glue chase includes chase body and the glue members of frame being arranged on described chase body, described chase body and described
Glue members of frame is the integral structure of injection mo(u)lding, and each edge frame of described chase body is provided with multiple glue hole of drawing, described glue frame
Parts include for housing and fix described light guide plate and reflectance coating and being positioned at the kerve bottom described glue chase, for housing
LED and be positioned at described kerve front end light trough, for housing described FPC circuit board and being positioned at the FPC above described light trough
Deep gouge, for house described blooming piece and be positioned at the diaphragm deep gouge above described kerve, for through described FPC circuit board and
It is positioned at the peristome of described FPC deep gouge front end and for blocking the barricade of external display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701879.7U CN205880447U (en) | 2016-07-04 | 2016-07-04 | Back light module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701879.7U CN205880447U (en) | 2016-07-04 | 2016-07-04 | Back light module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880447U true CN205880447U (en) | 2017-01-11 |
Family
ID=57695437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620701879.7U Expired - Fee Related CN205880447U (en) | 2016-07-04 | 2016-07-04 | Back light module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410752A (en) * | 2018-11-05 | 2019-03-01 | 深圳市山本光电股份有限公司 | A kind of COB lamp bar adhesive method, COB lamp bar and display screen |
| CN114859606A (en) * | 2022-07-05 | 2022-08-05 | 惠科股份有限公司 | Backlight module and display device |
-
2016
- 2016-07-04 CN CN201620701879.7U patent/CN205880447U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410752A (en) * | 2018-11-05 | 2019-03-01 | 深圳市山本光电股份有限公司 | A kind of COB lamp bar adhesive method, COB lamp bar and display screen |
| CN114859606A (en) * | 2022-07-05 | 2022-08-05 | 惠科股份有限公司 | Backlight module and display device |
| CN114859606B (en) * | 2022-07-05 | 2022-10-28 | 惠科股份有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |