CN207181892U - A kind of backlight source device for preventing light leak - Google Patents
A kind of backlight source device for preventing light leak Download PDFInfo
- Publication number
- CN207181892U CN207181892U CN201720932559.7U CN201720932559U CN207181892U CN 207181892 U CN207181892 U CN 207181892U CN 201720932559 U CN201720932559 U CN 201720932559U CN 207181892 U CN207181892 U CN 207181892U
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- China
- Prior art keywords
- glue frame
- frame
- glue
- bar
- groove
- 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.)
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Abstract
The utility model discloses a kind of backlight source device for preventing light leak, including the first glue frame, light guide plate, backlight and the second glue frame, first glue frame is flat rectangular parallelepiped structure, first glue frame side is provided with four blind holes of rectangular array, and four blind holes are located at the corner of the first glue frame respectively, first glue frame side is provided with four bar-shaped troughs of rectangular array, and four bar-shaped troughs are located at the edge on the side of the first glue frame four respectively, bar-shaped trough is located at identical side in the first glue frame with blind hole, the side of first glue frame offers the first groove, and first groove and blind hole be located at identical side in the first glue frame, the inside of first groove is bonded with metal back frame, metal back frame is flat rectangular parallelepiped structure, the side of metal back frame is provided with the second groove, the bottom of second inside grooves is inlaid with backlight.The utility model can cover the corner of metal back frame completely the inside in the first glue frame and the second glue frame, and so as to which outside light leakage phenomena will not occur, effect is very good.
Description
Technical field
The technical field of backlight source device is the utility model is related to, more particularly to a kind of backlight source device for preventing light leak.
Background technology
Backlight is to be located at liquid crystal display（LCD）A kind of light source of behind, its illumination effect will directly influence liquid
Brilliant display module（LCM）Visual effect.Liquid crystal display does not light in itself, and it shows figure or the knot that it is modulated to light
Fruit.It is widely used in the industries such as touch-screen, backlight, LCD/LCM, mobile phone, tablet personal computer, GPS, solar cell.
Traditional backlight source device often pastes black and white glue in the position that glue frame and metal back frame fit, but with when
Between passage, the easy aging under the conditions of illumination etc. of black and white glue cause black and white glue light-proofness reduce or black and white glue because of aging and
Come off, so as to cause the phenomenon of light leak.Therefore, it is contemplated that a kind of new backlight source device can preferably prevent glue frame and metal
Back frame produces light leak.
Utility model content
The purpose of this utility model is and a kind of light leak that prevents proposed in order to solve shortcoming present in prior art
Backlight source device.
To achieve these goals, the utility model employs following technical scheme：
A kind of backlight source device for preventing light leak, including the first glue frame, light guide plate, backlight and the second glue frame, described
One glue frame is flat rectangular parallelepiped structure, and the first glue frame side is provided with four blind holes of rectangular array, and four blind hole difference
Positioned at the corner of the first glue frame, the first glue frame side is provided with four bar-shaped troughs of rectangular array, and four bar-shaped trough difference positions
In the edge on the side of the first glue frame four, bar-shaped trough is located at identical side in the first glue frame with blind hole, and the side of the first glue frame opens up
There is the first groove, and the first groove is located at identical side in the first glue frame with blind hole, the inside of the first groove is bonded with metal
Back frame, the metal back frame are flat rectangular parallelepiped structure, and the side of metal back frame is provided with the second groove, in second groove
The bottom in portion is inlaid with backlight, and the inside of the second groove is provided with light guide plate, and the side of the first glue frame is provided with the second glue frame, institute
It is flat rectangular parallelepiped structure to state the second glue frame, and the second glue frame side is provided with the cylinder boss of rectangular array, and four cylinders
Boss is located at the corner of the second glue frame respectively, and the second glue frame side is provided with four bar shaped boss of rectangular array, and four bars
Shape boss is located at the edge on the side of the second glue frame four respectively, and bar shaped boss is located at identical side in the second glue frame with cylinder boss,
The center of second glue frame side is provided with rectangular through-hole, and the length of rectangular through-hole and the length and width of the wide panel for being respectively less than backlight.
Preferably, the cylinder boss and blind hole interference fits, and the depth of blind hole is more than the height of cylinder boss.
Preferably, the bar shaped boss and bar-shaped trough interference fits, and the depth of bar-shaped trough is more than the height of bar shaped boss.
Preferably, the light guide plate is sealed with metal back frame using epoxy AB glue.
Preferably, it is bonded with sealing gasket between first glue frame and the second glue frame.
Preferably, the light guide plate is glass substrate.
Compared with prior art, the beneficial effects of the utility model are：
In the utility model, when backlight is radiated on light guide plate, light guide plate lights, and light leads to from the rectangle of the second glue frame
Hole sheds, length and the wide length and width for being respectively less than backlight due to rectangular through-hole, and such second glue frame is by the corner of metal back frame
The inside in the first glue frame and the second glue frame is covered completely, and so as to which outside light leakage phenomena will not occur, effect is very good.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of backlight source device for preventing light leak structural representation；
Fig. 2 be the utility model proposes a kind of backlight source device for preventing light leak the second glue frame schematic diagram.
In figure：1 metal back frame, 2 first glue frames, 3 light guide plates, 4 blind holes, 5 backlights, 6 bar-shaped troughs, 7 cylinder boss, 8
Shape boss, 9 second glue frames, 10 through holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of backlight source device for preventing light leak, including the first glue frame 2, light guide plate 3, backlight 5 and
Two glue frames 9, the first glue frame 2 are flat rectangular parallelepiped structure, and the side of the first glue frame 2 is provided with four blind holes 4 of rectangular array, and
Four blind holes 4 are located at the corner of the first glue frame 2 respectively, and the side of the first glue frame 2 is provided with four bar-shaped troughs 6 of rectangular array, and
Four bar-shaped troughs 6 are located at the edge on the side of the first glue frame 2 four respectively, and bar-shaped trough 6 is located at identical one in the first glue frame 2 with blind hole 4
Side, the side of the first glue frame 2 offers the first groove, and the first groove is located at identical side in the first glue frame 2 with blind hole 4,
The inside of first groove is bonded with metal back frame 1, and metal back frame 1 is flat rectangular parallelepiped structure, and the side of metal back frame 1 is provided with
Second groove, the bottom of the second inside grooves are inlaid with backlight 5, and the inside of the second groove is provided with light guide plate 3, the first glue frame
2 side is provided with the second glue frame 9, and the second glue frame 9 is flat rectangular parallelepiped structure, and the side of the second glue frame 9 is provided with rectangular array
Cylinder boss 7, and four cylinder boss 7 respectively be located at the second glue frame 9 corner, the side of the second glue frame 9 is provided with rectangular battle array
Four bar shaped boss 8 of row, and four bar shaped boss 8 are located at the edge on the side of the second glue frame 9 four, bar shaped boss 8 and cylinder respectively
Boss 7 is located at identical side in the second glue frame 9, and the center of the side of the second glue frame 9 is provided with rectangular through-hole, and the length of rectangular through-hole
With the length and width of the wide panel for being respectively less than backlight 5, cylinder boss 7 and the interference fits of blind hole 4, and the depth of blind hole 4 is more than circle
The height of post boss 7, bar shaped boss 8 and the interference fits of bar-shaped trough 6, and the depth of bar-shaped trough 6 is more than the height of bar shaped boss 8,
Light guide plate 3 is sealed with metal back frame 1 using epoxy AB glue, and sealing gasket is bonded between the first glue frame 2 and the second glue frame 9, guide-lighting
Plate 3 is glass substrate.
Backlight 5 is embedded in the bottom of the second groove of the side of metal back frame 1, and light guide plate 3 is covered on backlight 5, and is led
Tabula rasa 3 is bonded in the inside of the second groove, by cylinder boss 7 and blind hole 4, bar shaped boss 8 and bar-shaped trough 6 by the first glue frame 2
Linked together with the second glue frame 9, meanwhile, sealing gasket is bonded with by glue between the first glue frame 2 and the second glue frame 9, so,
When backlight 5 is radiated on light guide plate 3, light guide plate 3 is luminous, and light sheds from the rectangular through-hole of the second glue frame 9, because rectangle leads to
The length in hole and the wide length and width for being respectively less than backlight 5, such second glue frame 9 cover the corner of metal back frame 1 first completely
The inside of the glue frame 9 of glue frame 2 and second, so as to which outside light leakage phenomena will not occur.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of backlight source device for preventing light leak, including the first glue frame（2）, light guide plate（3）, backlight（5）With the second glue frame
（9）, it is characterised in that first glue frame（2）For flat rectangular parallelepiped structure, the first glue frame（2）Side is provided with rectangular battle array
Four blind holes of row（4）, and four blind holes（4）It is located at the first glue frame respectively（2）Corner, the first glue frame（2）Side is provided with
Four bar-shaped troughs of rectangular array（6）, and four bar-shaped troughs（6）It is located at the first glue frame respectively（2）The edge on four sides, bar-shaped trough
（6）With blind hole（4）Positioned at the first glue frame（2）Upper identical side, the first glue frame（2）Side offer the first groove, and
One groove and blind hole（4）Positioned at the first glue frame（2）Upper identical side, the inside of the first groove are bonded with metal back frame（1）, institute
State metal back frame（1）For flat rectangular parallelepiped structure, metal back frame（1）Side be provided with the second groove, in second groove
The bottom in portion is inlaid with backlight（5）, the inside of the second groove is provided with light guide plate（3）, the first glue frame（2）Side be provided with the
Two glue frames（9）, second glue frame（9）For flat rectangular parallelepiped structure, the second glue frame（9）Side is provided with the circle of rectangular array
Post boss（7）, and four cylinder boss（7）It is located at the second glue frame respectively（9）Corner, the second glue frame（9）It is in square that side, which is provided with,
Four bar shaped boss of shape array（8）, and four bar shaped boss（8）It is located at the second glue frame respectively（9）The edge on four sides, bar shaped are convex
Platform（8）With cylinder boss（7）Positioned at the second glue frame（9）Upper identical side, the second glue frame（9）The center of side leads to provided with rectangle
Hole, and the length of rectangular through-hole and wide respectively less than backlight（5）Panel length and width.
A kind of 2. backlight source device for preventing light leak according to claim 1, it is characterised in that the cylinder boss（7）
With blind hole（4）Interference fits, and blind hole（4）Depth be more than cylinder boss（7）Height.
A kind of 3. backlight source device for preventing light leak according to claim 1, it is characterised in that the bar shaped boss（8）
With bar-shaped trough（6）Interference fits, and bar-shaped trough（6）Depth be more than bar shaped boss（8）Height.
A kind of 4. backlight source device for preventing light leak according to claim 1, it is characterised in that the light guide plate（3）With
Metal back frame（1）Sealed using epoxy AB glue.
A kind of 5. backlight source device for preventing light leak according to claim 1, it is characterised in that first glue frame（2）
With the second glue frame（9）Between be bonded with sealing gasket.
A kind of 6. backlight source device for preventing light leak according to claim 1, it is characterised in that the light guide plate（3）For
Glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720932559.7U CN207181892U (en) | 2017-07-28 | 2017-07-28 | A kind of backlight source device for preventing light leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720932559.7U CN207181892U (en) | 2017-07-28 | 2017-07-28 | A kind of backlight source device for preventing light leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181892U true CN207181892U (en) | 2018-04-03 |
Family
ID=61744547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720932559.7U Expired - Fee Related CN207181892U (en) | 2017-07-28 | 2017-07-28 | A kind of backlight source device for preventing light leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115685622A (en) * | 2022-08-26 | 2023-02-03 | 合肥京东方光电科技有限公司 | Light source module and display device |
-
2017
- 2017-07-28 CN CN201720932559.7U patent/CN207181892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115685622A (en) * | 2022-08-26 | 2023-02-03 | 合肥京东方光电科技有限公司 | Light source module and display device |
| CN115685622B (en) * | 2022-08-26 | 2024-03-01 | 合肥京东方光电科技有限公司 | Light source module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180403 Termination date: 20180728 |