CN208172429U - Backlight module and corresponding liquid crystal display device with self- recoverage structure - Google Patents
Backlight module and corresponding liquid crystal display device with self- recoverage structure Download PDFInfo
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- CN208172429U CN208172429U CN201820731416.4U CN201820731416U CN208172429U CN 208172429 U CN208172429 U CN 208172429U CN 201820731416 U CN201820731416 U CN 201820731416U CN 208172429 U CN208172429 U CN 208172429U
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- glue frame
- guide plate
- light guide
- backlight module
- elastomer
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Abstract
The utility model provides a kind of backlight module with self- recoverage structure and corresponding liquid crystal display device, backlight module includes glue frame, reflectance coating, light guide plate, light source and elastomer, wherein, stopper protrusion is provided on the medial surface of glue frame, light guide plate is located in glue frame and is fixed on reflectance coating, and the side of light guide plate is incidence surface, and incidence surface is contacted with stopper protrusion limit, elastomer is arranged far from the glue frame medial surface of incidence surface, and is contacted with the side elastic of light guide plate.The backlight module with self- recoverage structure of the utility model is by contacting the incidence surface of light guide plate side with stopper protrusion limit, the other side is contacted with elastomeric resilient, so that in the case where expanding with heat and contract with cold, elastic physical efficiency eliminates light guide plate and expands with heat and contract with cold the variable of generation, to guarantee the constant distance between incidence surface and light source, so that display device has stable light emission luminance.
Description
Technical field
The utility model relates to field of display devices, in particular to a kind of backlight module and correspondence with self- recoverage structure
Liquid crystal display device.
Background technique
Backlight module is mainly used for making display screen for planar light source display screen well-off brightness and be evenly distributed
It can normally show image, wherein the light emission luminance of backlight display mould group is very important one of parameter.Liquid in the prior art
Crystal device exists due to expanding with heat and contract with cold so that the distance between the incidence surface and light source of the light guide plate in backlight module occur
Variation, so that entering light quantity and light efficiency is unstable, and then the problem for causing the light emission luminance of display device unstable.
Therefore need to provide a kind of backlight module with self- recoverage structure and corresponding liquid crystal display device is above-mentioned to solve
Technical problem.
Utility model content
The utility model provides a kind of backlight module with self- recoverage structure, by by the incidence surface of light guide plate side
It is contacted with stopper protrusion limit, the other side is contacted with elastomeric resilient, is existed to solve liquid crystal display device in the prior art
Due to expanding with heat and contract with cold so that the distance between incidence surface and the light source of the light guide plate in backlight module change, so that entering light quantity
Problem unstable with light efficiency, and then causing the light emission luminance of display device unstable.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of backlight mould with self- recoverage structure
Group comprising：
Glue frame is provided with stopper protrusion on the medial surface of the glue frame；
Reflectance coating is fixed at the bottom of the glue frame；
Light guide plate in the glue frame and is fixed on the reflectance coating, and the light guide plate is far from described anti-
The one side for penetrating film is light-emitting surface, and the side of the light guide plate is incidence surface, and the incidence surface is contacted with stopper protrusion limit；
Light source is fixed in the glue frame, and is located at the side close to the incidence surface to mention to the incidence surface
For illumination；
Elastomer is arranged far from the glue frame medial surface of the incidence surface, and the side bullet with the light guide plate
Property contact.
In the present invention, the elastomer is fixedly connected by the connector of a strip with the glue frame, described
Connector includes connecting plate and the Connection protrusion in the connecting plate one side, and the side of the elastomer, which is provided with, to be used for
The connecting groove being connect with the Connection protrusion.
Wherein, the Connection protrusion is connect with the connecting groove interference, and the Connection protrusion is plate structure, described
The length of the one end of Connection protrusion far from the connecting plate is wider than the length and width close to one end of the connecting plate.
Further, the length of the connecting plate is greater than the length of the elastomer, is provided with and is used in the glue frame
The locating slot being located by connecting with the both ends of the connecting plate；
When the both ends of the connecting plate are located by connecting in the locating slot, the elastomer is located in the glue frame,
And bottom surface of the elastomer far from the connecting plate is contacted with the reflectance coating, the two sides of the elastomer phase pair respectively with
The inside face contact of the side of the light guide plate, the glue frame far from the incidence surface.
Further, be provided with connecting column in the locating slot, the both ends of the connecting plate be provided with for institute
State the connecting hole that connecting column is fixedly connected.
In the present invention, when the light guide plate and the elastomer are set in the glue frame, and it is described enter light
When face and the stopper protrusion contact, the elastomer is in compressive state always.
In the present invention, covering is provided with optical diaphragm, the optical diaphragm on the light-emitting surface of the light guide plate
It is extended to except the light-emitting surface to the direction far from the incidence surface, the side of the elastomer is provided with and the optical film
Piece is corresponding to keep away a notch.
Further, the optical diaphragm by diffusion sheet, the lower brightening piece being arranged on the diffusion sheet and is located at
Upper brightening piece composition on the lower brightening piece.
In the present invention, the elastomer is silica gel material.
It further include a kind of liquid crystal display device in the utility model, the liquid crystal display device includes backlight module and sets
Set the display panel on the backlight module；
Wherein, the backlight module includes：
Glue frame is provided with stopper protrusion on the medial surface of the glue frame；
Reflectance coating is fixed at the bottom of the glue frame；
Light guide plate in the glue frame and is fixed on the reflectance coating, and the light guide plate is far from described anti-
The one side for penetrating film is light-emitting surface, and the side of the light guide plate is incidence surface, and the incidence surface is contacted with stopper protrusion limit；
Light source is fixed in the glue frame, and is located at the side close to the incidence surface to mention to the incidence surface
For illumination；
Elastomer is arranged far from the glue frame medial surface of the incidence surface, and the side bullet with the light guide plate
Property contact.
Compared to the prior art, its advantages are the utility model：The back with self- recoverage structure of the utility model
By contacting the incidence surface of light guide plate side with stopper protrusion limit, the other side contacts optical mode group with elastomeric resilient, so that
In the case where expanding with heat and contract with cold, elastic physical efficiency eliminates light guide plate and expands with heat and contract with cold the variable of generation, to guarantee incidence surface and light source
Between constant distance so that display device have stable light emission luminance.
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, and the accompanying drawings in the following description is only that the section Example of the utility model is corresponding
Attached drawing.
Fig. 1 is the main view of the preferred embodiment of the backlight module with self- recoverage structure of the utility model.
Fig. 2 is cross-sectional view made by the A-A cutting line in Fig. 1.
Fig. 3 is cross-sectional view made by the B-B cutting line in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Liquid crystal display device in the prior art exists due to expanding with heat and contract with cold so that light guide plate in backlight module enters light
The distance between face and light source change, so that entering light quantity and light efficiency is unstable, and then lead to shining for display device
The unstable problem of brightness.
It the following is a kind of backlight mould with self- recoverage structure that can solve the above technical problem provided by the utility model
The preferred embodiment of group.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, wherein Fig. 1 is the excellent of the backlight module with self- recoverage structure of the utility model
The main view of embodiment is selected, Fig. 2 is cross-sectional view made by the A-A cutting line in Fig. 1, and Fig. 3 is the B-B cutting line in Fig. 1
Made cross-sectional view.
The similar unit of structure is to be given the same reference numerals in the figure.
The preferred embodiment of backlight module provided by the utility model with self- recoverage structure is：One kind having self- recoverage
The backlight module of structure comprising glue frame 11, reflectance coating 17, light guide plate 13, light source 12 and elastomer 16,；
Wherein, stopper protrusion is provided on the medial surface of glue frame 11；
Reflectance coating 17 is fixed at the bottom of glue frame 11；
Light guide plate 13 is located in glue frame 11 and is fixed on reflectance coating 17, light guide plate 13 far from reflectance coating 17 one
Face is light-emitting surface, and the side of light guide plate 13 is incidence surface 131, and incidence surface 131 is contacted with stopper protrusion limit；
Light source 12 is fixed in glue frame 11, and is located at close to the side of incidence surface 131 to provide light to incidence surface 131
According to；
Elastomer 16 is arranged far from 11 medial surface of glue frame of incidence surface 131, and is connect with the side elastic of light guide plate 13
Touching.
Specifically, elastomer 16 is fixedly connected by the connector 15 of a strip with glue frame 11, connector 15 includes connecting
Fishplate bar 151 and the Connection protrusion 152 in 151 one side of connecting plate, the side of elastomer 16 be provided with for connect it is convex
The connecting groove that portion 152 connects.
Wherein, Connection protrusion 152 is connect with connecting groove interference, and Connection protrusion 152 is plate structure, in Connection protrusion
The length of 152 one end far from connecting plate 151 is wider than the length and width close to one end of connecting plate 151, so that Connection protrusion 152 connects
It is more stable after to the connecting groove of elastomer 16, more fasten, be not easy to loosen.
In addition, the length of connecting plate 151 is greater than the length of elastomer 16, it is provided with and is used for and connecting plate in glue frame 11
The locating slot that 151 both ends are located by connecting；
When the both ends of connecting plate 151 are located by connecting in locating slot, elastomer 16 is located in glue frame 11, and elastomer 16
Contacted far from the bottom surface of connecting plate 151 with reflectance coating 17, the opposite two sides of elastomer 16 respectively with the side of light guide plate 13, glue
Inside face contact of the frame 11 far from incidence surface 131.
Meanwhile connecting column 111 is provided in locating slot, the both ends of connecting plate 151 be provided with for connecting column 111
The connecting hole being fixedly connected.
In the preferred embodiment, when light guide plate 13 and elastomer 16 are set in glue frame 11, and incidence surface 131 and limit
When the contact of position protrusion, elastomer 16 is in compressive state always, so that light guide plate 13 expands with heat and contract with cold when generating contracting amount or increment, bullet
Property body all to light guide plate 13 have resilient pressing force, to guarantee the constant distance between incidence surface 131 and light source 12.
In addition, covering is provided with optical diaphragm 14 on the light-emitting surface of light guide plate 13, optical diaphragm 14 is to far from incidence surface
131 direction extends to except light-emitting surface, and the side of elastomer 16, which is provided with, corresponding with optical diaphragm 14 keeps away a notch.
Wherein, optical diaphragm 14 is by diffusion sheet 141, the lower brightening piece 142 being arranged on diffusion sheet 141 and under being located at
Upper brightening piece 143 on brightening piece 142 forms, for enhancing luminous uniformity and light emission luminance.
In the present invention, elastomer 16 is silica gel material.
It further include a kind of liquid crystal display device in the utility model, liquid crystal display device includes the tool in this preferred embodiment
The display panel for having the backlight module of self- recoverage structure and being arranged on the backlight module with self- recoverage structure；
Wherein, there is the backlight module of self- recoverage structure to include for this：
Glue frame is provided with stopper protrusion on the medial surface of glue frame；
Reflectance coating is fixed at the bottom of glue frame；
Light guide plate in glue frame and is fixed on reflectance coating, and one side of the light guide plate far from reflectance coating is luminous
Face, the side of light guide plate are incidence surface, and incidence surface is contacted with stopper protrusion limit；
Light source is fixed in glue frame, and is located at close to the side of incidence surface to provide illumination to incidence surface；
Elastomer is arranged far from the glue frame medial surface of incidence surface, and is contacted with the side elastic of light guide plate.
The working principle of the utility model：Glue frame 11 and reflectance coating 17 are taken first, and reflectance coating 17 is pasted and is fixed to glue frame
11 bottom；
Then, elastomer 16 and connector 15 are taken, and the connection of connecting groove and connector 15 on elastomer 16 is convex
152 interference of portion connection later by the locating slot on the both ends location fit to glue frame 11 of connecting plate 151, and pays attention to so that even
Connecting hole on fishplate bar 151 is fixedly attached on connecting column 111 so that the two sides of elastomer 16 respectively with reflectance coating 17 and glue frame
11 inside face contact；
Subsequently, the side of light guide plate 13 is squeezed into elastomer 16 and light guide plate 13 is pressed into glue frame 11, and paid attention to
So that the incidence surface 131 of light guide plate 13 is contacted with the stopper protrusion limit on 11 medial surface of glue frame, so that the limit of light guide plate 13 exists
Between stopper protrusion and elastomer 16；
Light source 12 is finally successively installed again, attaches optical diaphragm 14.
The assembling process of the backlight module with self- recoverage structure of this preferred embodiment is completed in this way.
The backlight module with self- recoverage structure of this preferred embodiment is by by the incidence surface of light guide plate side and limit
Protrusion limit contact, the other side are contacted with elastomeric resilient, so that elastic physical efficiency eliminates light guide plate in the case where expanding with heat and contract with cold
Expand with heat and contract with cold the variable of generation, to guarantee the constant distance between incidence surface and light source so that display device have it is steady
Fixed light emission luminance.
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 backlight module with self- recoverage structure, which is characterized in that including：
Glue frame is provided with stopper protrusion on the medial surface of the glue frame；
Reflectance coating is fixed at the bottom of the glue frame；
Light guide plate in the glue frame and is fixed on the reflectance coating, and the light guide plate is far from the reflectance coating
One side be light-emitting surface, the side of the light guide plate is incidence surface, and the incidence surface is limited with the stopper protrusion and contacted；
Light source is fixed in the glue frame, and is located at close to the side of the incidence surface to provide light to the incidence surface
According to；
Elastomer is arranged far from the glue frame medial surface of the incidence surface, and is connect with the side elastic of the light guide plate
Touching.
2. the backlight module according to claim 1 with self- recoverage structure, which is characterized in that the elastomer passes through one
The connector of strip is fixedly connected with the glue frame, and the connector includes connecting plate and is located in the connecting plate one side
Connection protrusion, the side of the elastomer is provided with the connecting groove for connecting with the Connection protrusion.
3. the backlight module according to claim 2 with self- recoverage structure, which is characterized in that the Connection protrusion and institute
Connecting groove interference connection is stated, the Connection protrusion is plate structure, in the one end of the Connection protrusion far from the connecting plate
Length be wider than close to the connecting plate one end length and width.
4. the backlight module according to claim 2 with self- recoverage structure, which is characterized in that the length of the connecting plate
Greater than the length of the elastomer, the positioning for being located by connecting with the both ends of the connecting plate is provided in the glue frame
Slot；
When the both ends of the connecting plate are located by connecting in the locating slot, the elastomer is located in the glue frame, and institute
Bottom surface of the elastomer far from the connecting plate is stated to contact with the reflectance coating, the two sides of the elastomer phase pair respectively with it is described
The inside face contact of the side of light guide plate, the glue frame far from the incidence surface.
5. the backlight module according to claim 4 with self- recoverage structure, which is characterized in that set in the locating slot
It is equipped with connecting column, the both ends of the connecting plate are provided with the connecting hole for being fixedly connected with the connecting column.
6. the backlight module according to claim 1 with self- recoverage structure, which is characterized in that when the light guide plate and institute
It states elastomer to be set in the glue frame, and when the incidence surface and the stopper protrusion contact, the elastomer is located always
In compressive state.
7. the backlight module according to claim 1 with self- recoverage structure, which is characterized in that in the hair of the light guide plate
Covering is provided with optical diaphragm in smooth surface, the optical diaphragm to the direction far from the incidence surface extend to the light-emitting surface it
Outside, the side of the elastomer, which is provided with, corresponding with the optical diaphragm keeps away a notch.
8. the backlight module according to claim 7 with self- recoverage structure, which is characterized in that the optical diaphragm is by expanding
Discrete piece, the lower brightening piece being arranged on the diffusion sheet and the upper brightening piece composition on the lower brightening piece.
9. the backlight module according to claim 1 with self- recoverage structure, which is characterized in that the elastomer is silica gel
Material.
10. a kind of liquid crystal display device, which is characterized in that the liquid crystal display device includes backlight module and is arranged described
Display panel on backlight module；
Wherein, the backlight module includes：
Glue frame is provided with stopper protrusion on the medial surface of the glue frame；
Reflectance coating is fixed at the bottom of the glue frame；
Light guide plate in the glue frame and is fixed on the reflectance coating, and the light guide plate is far from the reflectance coating
One side be light-emitting surface, the side of the light guide plate is incidence surface, and the incidence surface is limited with the stopper protrusion and contacted；
Light source is fixed in the glue frame, and is located at close to the side of the incidence surface to provide light to the incidence surface
According to；
Elastomer is arranged far from the glue frame medial surface of the incidence surface, and is connect with the side elastic of the light guide plate
Touching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820731416.4U CN208172429U (en) | 2018-05-16 | 2018-05-16 | Backlight module and corresponding liquid crystal display device with self- recoverage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820731416.4U CN208172429U (en) | 2018-05-16 | 2018-05-16 | Backlight module and corresponding liquid crystal display device with self- recoverage structure |
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| Publication Number | Publication Date |
|---|---|
| CN208172429U true CN208172429U (en) | 2018-11-30 |
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ID=64366835
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820731416.4U Active CN208172429U (en) | 2018-05-16 | 2018-05-16 | Backlight module and corresponding liquid crystal display device with self- recoverage structure |
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| CN (1) | CN208172429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646876A (en) * | 2019-09-17 | 2020-01-03 | 合肥京东方显示光源有限公司 | Backlight source, backlight module and display device |
| US11927796B1 (en) | 2023-01-18 | 2024-03-12 | AUO Display Plus Corporation | Display device |
-
2018
- 2018-05-16 CN CN201820731416.4U patent/CN208172429U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646876A (en) * | 2019-09-17 | 2020-01-03 | 合肥京东方显示光源有限公司 | Backlight source, backlight module and display device |
| CN110646876B (en) * | 2019-09-17 | 2021-01-26 | 合肥京东方显示光源有限公司 | Backlight source, backlight module and display device |
| US11927796B1 (en) | 2023-01-18 | 2024-03-12 | AUO Display Plus Corporation | Display device |
| TWI838096B (en) * | 2023-01-18 | 2024-04-01 | 達擎股份有限公司 | Display device |
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