CN208172451U - Liquid crystal display device with membrane position structure - Google Patents
Liquid crystal display device with membrane position structure Download PDFInfo
- Publication number
- CN208172451U CN208172451U CN201820731610.2U CN201820731610U CN208172451U CN 208172451 U CN208172451 U CN 208172451U CN 201820731610 U CN201820731610 U CN 201820731610U CN 208172451 U CN208172451 U CN 208172451U
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- mistake proofing
- position structure
- convex block
- liquid crystal
- crystal display
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Abstract
The utility model provides a kind of liquid crystal display device with membrane position structure comprising backlight module liquid crystal display panel, backlight module include glue frame, light guide plate and optical diaphragm unit；An extension is extended in the one or both sides of optical diaphragm unit, is provided with a positioning hole in extension；Glue frame includes the third placing groove at the top of glue frame, and the outside projection a positioning groove in the one or both sides of third placing groove, in third placing groove, extension is arranged in locating slot the setting of optical diaphragm unit；Backlight module further includes membrane position structure of the projection in positioning groove bottom, and location hole is set in the membrane position structure.The utility model improves three in the efficiency and precision assembled, and then improve out light quality by the location fit of membrane position structure, glue frame and optical diaphragm unit.
Description
Technical field
The utility model relates to field of liquid crystal, more particularly to a kind of liquid crystal display with membrane position structure
Device.
Background technique
With the development of backlight technology, liquid crystal display is since shape is frivolous, small in size, low pressure is low in energy consumption, radiationless etc.
Advantage, by the favor by people, therefore liquid crystal display is widely used in mobile phone, domestic TV display screen, computer and advertisement screen
Curtain etc..Since liquid crystal display is itself not shine, need the uniform source of light provided by backlight module that could generate display function
Can, wherein optical diaphragm unit is that backlight module is able to provide the key element of uniform area light source.
In the prior art for the backlight module in common liquid crystal display device, light guide plate, glue frame and light are being carried out
It is that directly optical diaphragm unit is attached on the light-emitting surface of light guide plate when learning the assembly of diaphragm block；But in the process of attaching
In, since optical diaphragm unit is indefinite with amplexiforming positioning between light guide plate, cause amplexiforming for optical diaphragm unit inaccurate, thus shadow
Ring the quality of backlight module area source.
Therefore, it is desirable to provide a kind of liquid crystal display device with membrane position structure, to solve the above technical problems.
Utility model content
The utility model embodiment provides a kind of liquid crystal display device with membrane position structure；To solve existing light
The attaching for learning diaphragm block and light guide plate is not accurate, thus the technical issues of influencing light quality out.
The utility model embodiment provides a kind of liquid crystal display device with membrane position structure comprising backlight module
With the liquid crystal display panel that the backlight module is arranged in, the backlight module includes glue frame, leading in the glue frame is arranged in
Tabula rasa and the optical diaphragm unit being arranged on the light guide plate；
An extension is extended in the one or both sides of the optical diaphragm unit, and a positioning is provided in the extension
Hole；
The glue frame includes the third placing groove at the top of the glue frame, the one or both sides convex of the third placing groove
If a positioning groove, the optical diaphragm unit is arranged in the third placing groove, and the extension is arranged in the locating slot
It is interior；
The backlight module further includes membrane position structure of the projection in the positioning groove bottom, and the location hole is arranged
In the membrane position structure.
In the present invention, the membrane position structure include one be set in the positioning hole socket column, setting
In the clamping part for being socketed column top and the threaded portion for being socketed column bottom is set；
The bottom surface of the locating slot is recessed with a threaded hole, and the threaded portion is screwed onto the threaded hole；The card is set
The cross-sectional area in portion is greater than the cross-sectional area of the socket column.
In the present invention, the clamping part is passed from the area for being connected to described socket column one end to the area of the other end
Subtract.
In the present invention, the clamping part is round table-like or coniform.
In the present invention, the glue frame includes that the first placing groove being arranged under the third placing groove and fixation are set
Set the first mistake proofing convex block and the second mistake proofing convex block in first placing groove two sides, two angular zone；
The light guide plate is arranged in first placing groove, and the light guide plate includes being arranged in the light guide plate incidence surface
The second mistake proofing with the first mistake proofing groove of the first mistake proofing convex block cooperation and with the second mistake proofing convex block cooperation of two sides
Groove, the first mistake proofing convex block are arranged in the first mistake proofing groove, and the second mistake proofing convex block is arranged described second
In mistake proofing groove；
The first mistake proofing convex block and the second mistake proofing convex block be not identical in conplane sectional area.
In the present invention, the shape of the first mistake proofing convex block and the second mistake proofing convex block is identical, first mistake proofing
Convex block include one backwards to the first mistake proofing groove bottom surface, be connected to two inclined-planes of the bottom surface both side and be connected to two
The cambered surface on a inclined-plane and the bottom surface opposite end.
In the present invention, the cambered surface is arc surface, and two inclined-planes are equal with the angle of the bottom surface, two
The equal length on inclined-plane.
In the present invention, the glue frame includes the second placing groove for being connected to first placing groove, and described second
The two sidewalls of placing groove are convexly equipped with the first mistake proofing convex block and the second mistake proofing convex block respectively；
The backlight module includes light source, and the light source is arranged in second placing groove.
In the present invention, the backlight module includes FPC circuit board, and the FPC circuit board is arranged in the light source
And it is electrically connected at the light source, one end of the FPC circuit board is connected to the glue frame, the FPC circuit by double-sided adhesive
The other end of plate is connected to the light guide plate by the double-sided adhesive.
In the present invention, the double-sided adhesive is black double-sided glue.
Liquid crystal display device compared to the prior art, the liquid crystal display dress with membrane position structure of the utility model
Set the location fit by membrane position structure, glue frame and optical diaphragm unit, improve three in the efficiency assembled and
Precision, and then improve out light quality；The attaching for solving existing optical diaphragm unit and light guide plate is not accurate, thus shadow
The technical issues of ringing light quality.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in embodiment
Required attached drawing is briefly described.The accompanying drawings in the following description is only the section Example of the utility model, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the detonation configuration of the preferred embodiment of the liquid crystal display device with membrane position structure of the utility model
Schematic diagram；
Fig. 2 is the sectional structure of the preferred embodiment of the liquid crystal display device with membrane position structure of the utility model
Schematic diagram；
Fig. 3 is the enlarged drawing of A in Fig. 1；
Fig. 4 is the enlarged drawing of B in Fig. 1；
Fig. 5 is the enlarged drawing of C in Fig. 3；
Fig. 6 is the optical diaphragm of the preferred embodiment of the liquid crystal display device with membrane position structure of the utility model
The overlooking structure diagram of unit, glue frame and membrane position structure；
Fig. 7 is the optical diaphragm of the preferred embodiment of the liquid crystal display device with membrane position structure of the utility model
The schematic cross-sectional view of unit, glue frame and membrane position structure；
Fig. 8 is the diaphragm positioning of the preferred embodiment of the liquid crystal display device with membrane position structure of the utility model
The structural schematic diagram of structure.
Specific embodiment
The schema in attached drawing is please referred to, wherein identical component symbol represents identical component.The following description is to be based on
Illustrated by the utility model specific embodiment, be not construed as limitation the utility model other specific realities not detailed herein
Apply example.
Fig. 1, Fig. 6 are please referred to Fig. 8, Fig. 1 is the liquid crystal display device with membrane position structure of the utility model
The configuration schematic diagram of preferred embodiment；Fig. 6 is the liquid crystal display device with membrane position structure of the utility model
The overlooking structure diagram of the optical diaphragm unit of preferred embodiment, glue frame and membrane position structure；Fig. 7 is the utility model
The optical diaphragm unit of the preferred embodiment of liquid crystal display device with membrane position structure, glue frame and membrane position structure
Schematic cross-sectional view；Fig. 8 is the preferred embodiment of the liquid crystal display device with membrane position structure of the utility model
The structural schematic diagram of membrane position structure.
The liquid crystal display device with membrane position structure of the present embodiment comprising backlight module 10 and setting are in backlight
The liquid crystal display panel 20 of mould group 10, backlight module 10 include light guide plate 11, are disposed around the glue frame 12 of 11 periphery of light guide plate and set
Set optical diaphragm unit 13, membrane position structure 14, light source 15, PEC circuit board 16 and double-sided adhesive 17 in glue frame 12.
In the present embodiment, backlight module 10 includes that glue frame 12, the light guide plate 11 being arranged in glue frame 12 and setting are being led
Optical diaphragm unit 13 on tabula rasa 11；Extend an extension 131, extension in the one or both sides of optical diaphragm unit 13
A positioning hole 132 is provided in 131；
Glue frame 12 includes the third placing groove 125 that the top of glue frame 12 is arranged in, the one or both sides of third placing groove 125 to
Outer projection a positioning groove 126, optical diaphragm unit 13 are arranged in third placing groove 125, and extension 131 is arranged in locating slot
In 126；
Backlight module 10 includes membrane position structure 14 of the projection in 126 bottom surface of locating slot, and location hole 132 is set in film
On piece location structure 14.
The backlight module 10 of the present embodiment is matched by the positioning of the extension 131 and locating slot 126 of optical diaphragm unit 13
It closes, the precision of positioning bonding between optical diaphragm unit 13 and light guide plate 11 is improved, additionally by membrane position structure 14
With the grafting location fit of the location hole 132 of extension 131, further improves optical diaphragm unit 13 and light guide plate 11 is bonded
The precision of positioning.
Optical diaphragm unit 13 includes upper diffusion barrier, bright enhancement film and lower diffusion barrier.
In the present embodiment, membrane position structure 14 include one be set in socket column 141 in location hole 132, setting exists
The clamping part 142 at 141 top of socket column and the threaded portion 143 that socket 141 bottom of column is set；
The bottom surface of locating slot 126 is recessed with a threaded hole, and threaded portion 143 is screwed onto threaded hole；Clamping part 142 it is transversal
Area is greater than the cross-sectional area of socket column 141.
Wherein, the setting of clamping part 142 avoids optical diaphragm unit 13 and detaches membrane position structure 13, plays steady
Solid effect；The setting of threaded portion 143 is so that membrane position structure 13 detachably, is conveniently replaceable optical diaphragm unit 13.
In the present embodiment, clamping part 142 successively decreases from the area for being connected to socket 141 one end of column to the area of the other end.
Such setting passes through clamping part 142 convenient for the location hole 132 of optical diaphragm unit 13, but can not be detached from socket column 141.It is excellent
Choosing, clamping part 142 is round table-like or coniform.
Fig. 1 to Fig. 4 is please referred to, Fig. 1 is the preferred of the liquid crystal display device with membrane position structure of the utility model
The configuration schematic diagram of embodiment；Fig. 2 is the preferred of the liquid crystal display device with membrane position structure of the utility model
The schematic cross-sectional view of embodiment；Fig. 3 is the enlarged drawing of A in Fig. 1；Fig. 4 is the enlarged drawing of B in Fig. 1.Glue frame 12 includes setting
The first placing groove 121 under third placing groove 125 and it is fixed at the first anti-of 121 two sides of the first placing groove, two angular zone
Wrong convex block 122 and the second mistake proofing convex block 123；
Light guide plate 11 is arranged in the first placing groove 121, and light guide plate 11 includes that 11 incidence surface two sides of light guide plate are arranged in
The second mistake proofing groove with the first mistake proofing groove 111 of the first mistake proofing convex block 122 cooperation and with the cooperation of the second mistake proofing convex block 123
112, the first mistake proofing convex block 122 is arranged in the first mistake proofing groove 111, and the second mistake proofing convex block 123 is arranged in the second mistake proofing groove
In 112；
First mistake proofing convex block 122 and the second mistake proofing convex block 123 be not identical in conplane sectional area.
The backlight module 10 of the present embodiment passes through the first mistake proofing convex block 122 in glue frame 12 and the distribution of the second mistake proofing convex block 123
The corresponding assembly with the first mistake proofing groove 111 and the second mistake proofing groove 112 of 11 incidence surface of light guide plate cooperates, specifically, root
Of different sizes according to the sectional area of the first mistake proofing convex block 122 and the second mistake proofing convex block 123 carries out mistake proofing assembly；Avoid leaded light
The problem of plate 11 and glue frame 12 are easy to happen loading error, to improve assembly efficiency.
In the present embodiment, referring to figure 3. and Fig. 5, the shape phase of the first mistake proofing convex block 122 and the second mistake proofing convex block 123
Together, the first mistake proofing convex block 122 include one backwards to the first mistake proofing groove 111 bottom surface 12a, be connected to two of the bottom surface two sides 12a
The inclined-plane 12b and cambered surface 12c with the bottom surface opposite end 12a for being connected to two inclined-plane 12b.
When 11 expanded by heating of light guide plate, light guide plate 11 can support the first mistake proofing convex block 122 and the second mistake proofing convex block 123；
In order to avoid impaired between light guide plate 11 and the first mistake proofing convex block 122 and the second mistake proofing convex block 123；
By cambered surface 12c and inclined-plane 12b as power face is unloaded, light guide plate 11 is prevented to the first mistake proofing convex block 122 and to second
The power of supporting of wrong convex block 123 carries out decentralized processing, avoids the concentration for supporting power and damages three.
Further, cambered surface 12c is arc surface, and two inclined-plane 12b are equal with the angle of bottom surface 12a, the length of two inclined-plane 12b
It spends equal.Such setting, so that the two sides stress balance of the first mistake proofing convex block 122, further reduced light guide plate 11 and
The abrasion of one mistake proofing convex block 122.
In the present embodiment, glue frame 12 includes the second placing groove 124 for being connected to the first placing groove 121, the second placing groove
124 two sidewalls are convexly equipped with the first mistake proofing convex block 122 and the second mistake proofing convex block 123 respectively；The bottom surface of first mistake proofing convex block 122
The bottom surface of 12a and the second mistake proofing convex block 123 is overlapped with two sidewalls end face respectively；Backlight module 10 includes light source 15, light source 15
It is arranged in the second placing groove 124.
Wherein, supporting point of the side wall of the second placing groove 124 as the first mistake proofing convex block 122 and the second mistake proofing convex block 123,
Improve the endurance of the support to light guide plate 11.
In the present embodiment, backlight module 10 includes FPC circuit board 16, and the setting of FPC circuit board 16 is simultaneously electrical in light source 15
It is connected to light source 15, one end of FPC circuit board 16 is connected to glue frame 12 by double-sided adhesive 17, and the other end of FPC circuit board 16 is logical
It crosses double-sided adhesive 17 and is connected to light guide plate 11.
Preferably, double-sided adhesive 17 is the double-sided adhesive of black.
The operating process of the present embodiment is：
Firstly, by the first mistake proofing convex block 122 in the first mistake proofing groove 111 alignment glue frame 12 in light guide plate 11, second
Mistake proofing groove 112 is directed at the second mistake proofing convex block 123 in glue frame 12, and carries out contraposition assembly grafting, so that light guide plate 11 is fixed
It is arranged in the first placing groove 121 of glue frame 12；
Then, light source 15 is set in the second placing groove 124, and FPC circuit board 16 is arranged by double-sided adhesive 17 in glue
On frame 12 and light guide plate 12；
Then, it will be arranged in third placing groove 125 in optical diaphragm unit 13, and the setting of extension 131 positioned
In slot 126；
Finally, the location hole 132 in extension 131 is set in the socket column 141 of membrane position structure 14, and make
Optical diaphragm unit 13 is bonded on light guide plate 12, and then, liquid crystal display panel 20 is arranged by center in backlight module 10
On.
The operating process of the present embodiment is just completed in this way.
Liquid crystal display device compared to the prior art, the liquid crystal display dress with membrane position structure of the utility model
Set the location fit by membrane position structure, glue frame and optical diaphragm unit, improve three in the efficiency assembled and
Precision, and then improve out light quality；The attaching for solving existing optical diaphragm unit and light guide plate is not accurate, thus shadow
The technical issues of ringing light quality.
Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment
To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model
It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.
Claims (10)
1. a kind of liquid crystal display device with membrane position structure comprising backlight module and the backlight module is arranged in
Liquid crystal display panel, which is characterized in that the backlight module includes that glue frame, the light guide plate being arranged in the glue frame and setting exist
Optical diaphragm unit on the light guide plate；
An extension is extended in the one or both sides of the optical diaphragm unit, is provided with a positioning hole in the extension；
The glue frame includes the third placing groove at the top of the glue frame, the outside projection one in the one or both sides of the third placing groove
Locating slot, the optical diaphragm unit are arranged in the third placing groove, and the extension is arranged in the locating slot；
The backlight module further includes membrane position structure of the projection in the positioning groove bottom, and the location hole is set in institute
It states in membrane position structure.
2. the liquid crystal display device according to claim 1 with membrane position structure, which is characterized in that the diaphragm is fixed
Bit architecture include one be set in the socket column of the positioning hole, be arranged in it is described socket column top clamping part and be arranged in institute
State the threaded portion of socket column bottom；
The bottom surface of the locating slot is recessed with a threaded hole, and the threaded portion is screwed onto the threaded hole；The clamping part
Cross-sectional area is greater than the cross-sectional area of the socket column.
3. the liquid crystal display device according to claim 2 with membrane position structure, which is characterized in that the clamping part
Successively decrease from the area for being connected to described socket column one end to the area of the other end.
4. the liquid crystal display device according to claim 3 with membrane position structure, which is characterized in that the clamping part
It is round table-like or coniform.
5. the liquid crystal display device according to claim 1 with membrane position structure, which is characterized in that the glue frame packet
It includes the first placing groove being arranged under the third placing groove and is fixed at first placing groove two sides, two angular zone
First mistake proofing convex block and the second mistake proofing convex block；
The light guide plate is arranged in first placing groove, and the light guide plate includes being arranged in light guide plate incidence surface two sides
With the first mistake proofing convex block cooperation the first mistake proofing groove and with the second mistake proofing convex block cooperation the second mistake proofing groove,
The first mistake proofing convex block is arranged in the first mistake proofing groove, and the second mistake proofing convex block setting is recessed in second mistake proofing
In slot；
The first mistake proofing convex block and the second mistake proofing convex block be not identical in conplane sectional area.
6. the liquid crystal display device according to claim 5 with membrane position structure, which is characterized in that described first is anti-
The shape of wrong convex block and the second mistake proofing convex block is identical, and the first mistake proofing convex block includes one backwards to the bottom of the first mistake proofing groove
Face, two inclined-planes for being connected to the bottom surface both side and the cambered surface for being connected to two inclined-planes Yu the bottom surface opposite end.
7. the liquid crystal display device according to claim 6 with membrane position structure, which is characterized in that the cambered surface is
Arc surface, two inclined-planes are equal with the angle of the bottom surface, the equal length on two inclined-planes.
8. the liquid crystal display device according to claim 5 with membrane position structure, which is characterized in that the glue frame packet
The second placing groove for being connected to first placing groove is included, it is anti-that the two sidewalls of second placing groove are convexly equipped with described first respectively
Wrong convex block and the second mistake proofing convex block；
The backlight module includes light source, and the light source is arranged in second placing groove.
9. the liquid crystal display device according to claim 8 with membrane position structure, which is characterized in that the backlight mould
Group includes FPC circuit board, and the FPC circuit board is arranged in the light source and is electrically connected at the light source, the FPC circuit board
One end the glue frame is connected to by double-sided adhesive, the other end of the FPC circuit board is connected to described by the double-sided adhesive
Light guide plate.
10. the liquid crystal display device according to claim 9 with membrane position structure, which is characterized in that described two-sided
Glue is black double-sided glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820731610.2U CN208172451U (en) | 2018-05-16 | 2018-05-16 | Liquid crystal display device with membrane position structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820731610.2U CN208172451U (en) | 2018-05-16 | 2018-05-16 | Liquid crystal display device with membrane position structure |
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| Publication Number | Publication Date |
|---|---|
| CN208172451U true CN208172451U (en) | 2018-11-30 |
Family
ID=64366826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820731610.2U Active CN208172451U (en) | 2018-05-16 | 2018-05-16 | Liquid crystal display device with membrane position structure |
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| Country | Link |
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| CN (1) | CN208172451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009737A (en) * | 2019-12-19 | 2021-06-22 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2018
- 2018-05-16 CN CN201820731610.2U patent/CN208172451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009737A (en) * | 2019-12-19 | 2021-06-22 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN113009737B (en) * | 2019-12-19 | 2022-07-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
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