CN106200122B - Backlight module and its adhesive tape gluing device and adhesive tape gluing method - Google Patents
Backlight module and its adhesive tape gluing device and adhesive tape gluing method Download PDFInfo
- Publication number
- CN106200122B CN106200122B CN201610785074.XA CN201610785074A CN106200122B CN 106200122 B CN106200122 B CN 106200122B CN 201610785074 A CN201610785074 A CN 201610785074A CN 106200122 B CN106200122 B CN 106200122B
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- China
- Prior art keywords
- glue
- adhesive tape
- reflector plate
- tape gluing
- shading
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
Abstract
The invention discloses a kind of backlight modules, including light guide plate, the reflector plate and optical diaphragm group that are respectively arranged on the light guide plate lower surface and upper surface, the light source assembly set on light guide plate incident side one end, glue frame and shading glue, the shading glue is attached at the glue frame lateral wall and the reflector plate bottom surface.The invention also discloses the adhesive tape gluing devices and adhesive tape gluing method of a kind of backlight module.Since shading glue is attached on glue frame lateral wall and reflector plate bottom surface, the light leak condition being likely to occur therebetween is avoided, improves the optics taste of backlight module.And when shading glue attaching, boss is fastened in close towards reflector plate microscope carrier after glue frame inner wall, after glue frame is extruded on reflector plate, shading glue can be attached on glue frame lateral wall by the movement of adhesive tape gluing block, can effectively improve the attaching efficiency of shading glue.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of backlight modules and its adhesive tape gluing device and adhesive tape gluing
Method.
Background technique
Currently, liquid crystal display device has been widely used in various electronic products as the display unit of electronic equipment
In, the frame of these electronic equipments is more and more narrow；And backlight module is then an important component in liquid crystal display device, side
Frame certainly will also want more and more narrow, but when frame narrows, there are edge light leakage risks for backlight.
And under normal circumstances, backlight module has glue frame, reflector plate, light guide plate, optical diaphragm group, light source and shading glue
Band (such as mouth word glue), light source is fixed on light guide plate incident side by double-sided adhesive, and optical diaphragm group is fixed on by shading rubber belt
In glue frame, by double faced adhesive tape in light guide plate and glue frame bottom surface, display screen is bonded by mouth word glue with backlight module reflector plate.This
When, if backlight frame is narrow, light is easy from the double-sided adhesive that reflector plate is bonded with glue frame, leaks out at shading rubber belt, causes mould
Group taste and experience are poor.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of backlight module and its adhesive tape gluing devices and adhesive tape
Applying method to avoid light leakage phenomena, can improve the optics taste and adhesive tape gluing efficiency of backlight module.
In order to achieve the above purpose, present invention employs the following technical solutions:
A kind of backlight module including light guide plate, is respectively arranged on the reflector plate and light of the light guide plate lower surface and upper surface
It learns diaphragm group, the light source assembly set on light guide plate incident side one end, glue frame and shading glue, the shading glue and is attached at institute
State glue frame lateral wall and the reflector plate bottom surface.
As one of embodiment, the surrounding of the reflector plate is pasted onto the bottom surface of the glue frame.
As one of embodiment, the backlight module further includes lighttight mouth word glue, the mouth word gluing
It is attached to the glue frame upper surface, and extends to the edge for covering the light guide plate.
As one of embodiment, stage portion is offered on the inside of the glue frame upper surface, the light guide plate enters
Light side one end is longer than the optical diaphragm group；The light source assembly includes the LED in flexible circuit board and the flexible circuit board
Lamp bead, the flexible circuit board are overlapped in the stage portion and the light guide plate, and the LED lamp bead is set to the glue frame and institute
It states between light guide plate.
As one of embodiment, the shading glue at least extends partially into the lateral wall for being higher by the glue frame.
Another object of the present invention is to provide a kind of adhesive tape gluing devices, for being bonded a kind of above-mentioned backlight module
Shading glue, comprising:
Frame glue briquetting, the boss including briquetting ontology and the cubic protruded from briquetting ontology lower surface；
Reflector plate microscope carrier, set on the underface of the frame glue briquetting, surface offers several adsorption holes, and the adsorption hole is used
In reflector plate is adsorbed on reflector plate microscope carrier under pull of vacuum；
Adhesive tape gluing block is set to the reflector plate microscope carrier surrounding, and upper surface is for placing shading glue；
The boss is fastened in close towards the reflector plate microscope carrier after the glue frame inner wall, and the glue frame is extruded in reflection
After on piece, the shading glue is attached on the glue frame lateral wall by the adhesive tape gluing block.
As one of embodiment, the adhesive tape gluing block can move up and down relative to the reflector plate microscope carrier.
Alternatively, the adhesive tape gluing block is rotatably coupled with the reflector plate microscope carrier.
As one of embodiment, the inner sidewall of the adhesive tape gluing block or/and upper surface are equipped with elastomeric layer.
Another object of the present invention is to provide a kind of adhesive tape gluing methods of backlight module, use a kind of above-mentioned adhesive tape
Laminating apparatus, comprising:
The boss of the frame glue briquetting is embedded in the glue frame；
Shading glue stickup is placed on up on the adhesive tape gluing block, and is at least made every on the reflector plate microscope carrier
Side is all extended with shading glue；
Reflector plate is adsorbed on reflector plate microscope carrier, the shading glue on the reflector plate microscope carrier is made to be pasted onto the bottom of reflector plate
Face；
The shading glue is attached on the lateral wall of the glue frame by the adhesive tape gluing block.
Shading glue of the invention is attached on glue frame lateral wall and reflector plate bottom surface, avoids and is likely to occur therebetween
Light leak condition improves the optics taste of backlight module.And the shading glue, when attaching, boss is fastened in after glue frame inner wall towards anti-
It is close to penetrate piece microscope carrier, after glue frame is extruded on reflector plate, shading glue can be attached to by the movement of adhesive tape gluing block
On glue frame lateral wall, the attaching efficiency of shading glue can effectively improve.
Detailed description of the invention
Fig. 1 is a schematic cross-sectional view of the display device of the embodiment of the present invention.
Fig. 2 is another schematic cross-sectional view of the display device of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the adhesive tape gluing device of the embodiment of the present invention.
Fig. 4 is the use state diagram of the adhesive tape gluing device of the embodiment of the present invention.
Fig. 5 is another use state diagram of the adhesive tape gluing device of the embodiment of the present invention.
Fig. 6 is the status diagram after the completion of the adhesive tape gluing of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Refering to fig. 1 and Fig. 2, the display device of the embodiment of the present invention have relatively narrow frame, including backlight module (is schemed not
Mark) and backlight module on display panel P, backlight module specifically includes light guide plate 10, be respectively arranged on 10 lower surface of light guide plate and
The reflector plate 20 and optical diaphragm group 30 of upper surface, the light source assembly 40 set on 10 incident side one end of light guide plate, glue frame 50 and
Shading glue 60, shading glue 60 are attached at 50 lateral wall of glue frame and 20 bottom surface of reflector plate.Here, light source assembly 40 is side entering type light
Source.The shading glue 60 is L-shaped after pasting, and every side of backlight module is provided with a shading glue 60.
The middle section of 20 upper surface of reflector plate is bonded with light guide plate 10, and the marginal portion of surrounding passes through the side such as double-sided adhesive
Formula is pasted onto the bottom surface of glue frame 50.And in the upper surface of glue frame 50, when display panel P is installed to optical diaphragm group 30 and glue frame
After on 50, display panel P and 50 surrounding of glue frame are easy light leakage, and therefore, the upper surface of glue frame 50 is pasted with lighttight mouth word glue
70, and mouth word glue 70 extends to right above the edge for being covered on light guide plate 10.
As Fig. 1 provides the compactedness of mould group, open on the inside of 50 upper surface of glue frame of the present embodiment to easily assemble
Equipped with stage portion 500, incident side one end of light guide plate 10 is longer than optical diaphragm group 30；Light source assembly 40 includes flexible circuit board 41
With the LED lamp bead 42 in flexible circuit board 41, flexible circuit board 41 is overlapped in stage portion 500 and light guide plate 10, LED lamp bead 42
Between glue frame 50 and light guide plate 10.
Although the upper surface of glue frame 50 is pasted with lighttight mouth word glue 70, to improve leakproof optical property at this, shading
60 upper end of glue at least extends partially into the lateral wall for being higher by glue frame 50.After display panel P installation, also installed outside display device
There is outline border, is arranged outside glue frame 10 by outline border, display panel P and backlight module can be protected in wherein, shading glue 60
Free end will not be easy to happen interference.
Such as Fig. 3 and Fig. 4, for the attaching efficiency and flatness for improving the shading glue 60, a kind of glue is had also been devised in the present invention
The laminating apparatus of band, comprising: frame glue briquetting 1, reflector plate microscope carrier 2 and multiple adhesive tape gluing blocks 3, frame glue briquetting 1 include briquetting sheet
The boss 1b of body 1a and the cubic protruded from the briquetting lower surface ontology 1a；Reflector plate microscope carrier 2 be located at frame glue briquetting 1 just under
Side, surface offers several adsorption hole 2h, and by adsorption hole 2h, reflector plate 20 is adsorbed on reflection using pull of vacuum
On piece microscope carrier 2；The surrounding of reflector plate microscope carrier 2 is arranged in adhesive tape gluing block 3, and upper surface is for placing shading glue 60.
Laminating apparatus is in use, to be first that boss 1b is fastened in close towards reflector plate microscope carrier 2 after 50 inner wall of glue frame, by glue
Frame 50 is extruded on reflector plate 20, and the surrounding of reflector plate 20 is squeezed with 60 end of shading glue and is pasted together, finally, sharp
Shading glue 60 is squeezed with 3 even curface of adhesive tape gluing block and is attached on the lateral wall of glue frame 50 (such as Fig. 5 and Fig. 6).
It is as follows that adhesive tape is specifically bonded process: first will be in the boss 1b insertion glue frame 50 of frame glue briquetting 1；Meanwhile it will hide
Optical cement 60 is pasted to be placed on adhesive tape gluing block 3 up, and every side on reflector plate microscope carrier 2 is at least made all to be extended with shading
Glue 60；And reflector plate 20 is adsorbed on reflector plate microscope carrier 2, so that the shading glue 60 on reflector plate microscope carrier 2 is pasted onto reflector plate 20
Bottom surface；Finally, shading glue 60 is attached on the lateral wall of glue frame 50 by adhesive tape gluing block 3.
Preferably, adhesive tape gluing block 3 can move up and down relative to reflector plate microscope carrier 2.The joint movement of adhesive tape gluing block 3 is
It moves in the vertical direction and guides and squeeze shading glue 60.The specific action process of adhesive tape gluing block 3 is: reflector plate microscope carrier 2 four
The adhesive tape gluing block 3 in week moves upward, is attached to the lateral wall of glue frame 50 from bottom to top by its medial surface guidance shading glue 60
On.For the reliability for guaranteeing adhesive tape gluing, adhesive tape gluing block 3 moves back and forth in the vertical direction, to polish adhesive surface.In addition,
The adhesive tape gluing block 3 of surrounding can also be squeezed, inwardly to further increase attaching compactness.Wherein, adhesive tape gluing block 3 is upper and lower
Movement can be started by cylinder, motor etc..For the planarization for improving adhesive tape gluing, the inside of the adhesive tape gluing block 3 of the present embodiment
Wall is equipped with elastomeric layer, which is preferably the foam with protective film, under natural conditions, four adhesive tape gluing blocks 3
The foam elasticity of inside squeezes each side wall of reflector plate microscope carrier 2, when glue frame 50 in place after, adhesive tape gluing block 3 drives on foam
Lower movement, foam squeeze shading glue 60 in the horizontal direction, and it is good to attach effect.
In other embodiments, adhesive tape gluing block 3 can also be rotatably coupled that (rotation axis is flat with reflector plate microscope carrier 2
Row is in the corresponding edge of reflector plate microscope carrier 2).Each adhesive tape gluing block 3 is rotatablely connected by shaft and reflector plate microscope carrier 2, adhesive tape
Fitting block 3 continues to rotate after turning to vertical position, to shading glue 60 is extruded on the lateral wall of glue frame 50.The implementation
In mode, 3 upper surface of adhesive tape gluing block is as compressive plane, and to guarantee to be bonded effect, surface can also be equipped with elastomeric layer.
Shading glue of the invention is attached on glue frame lateral wall and reflector plate bottom surface, avoids and is likely to occur therebetween
Light leak condition improves the optics taste of backlight module.And the shading glue, when attaching, boss is fastened in after glue frame inner wall towards anti-
It is close to penetrate piece microscope carrier, after glue frame is extruded on reflector plate, shading glue can be attached to by the movement of adhesive tape gluing block
On glue frame lateral wall, the attaching efficiency of shading glue can effectively improve.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (7)
1. a kind of adhesive tape gluing device, for being bonded the shading glue (60) of backlight module, which is characterized in that the backlight module packet
It includes light guide plate (10), be respectively arranged on the light guide plate (10) lower surface and the reflector plate (20) and optical diaphragm group of upper surface
(30), the light source assembly (40), glue frame (50) and shading glue (60) of the light guide plate (10) incident side one end, the screening are set to
Optical cement (60) is attached at the glue frame (50) lateral wall and the reflector plate (20) bottom surface；The adhesive tape gluing device includes:
Frame glue briquetting (1), including briquetting ontology (1a) and from the briquetting ontology lower surface (1a) protrude cubic it is convex
Platform (1b)；
Reflector plate microscope carrier (2) is set to the underface of the frame glue briquetting (1), and surface offers several adsorption holes (2h), the suction
Attached hole (2h) is for being adsorbed on reflector plate microscope carrier (2) for reflector plate (20) under pull of vacuum；
Adhesive tape gluing block (3) is set to reflector plate microscope carrier (2) surrounding, and upper surface is for placing shading glue (60), the adhesive tape
Fitting block (3) can move up and down relative to the reflector plate microscope carrier (2), alternatively, the adhesive tape gluing block (3) and the reflector plate
Microscope carrier (2) is rotatably coupled；
The boss (1b) be fastened in it is close towards the reflector plate microscope carrier (2) after the glue frame (50) inner wall, by the glue frame
(50) after being extruded on reflector plate (20), the shading glue (60) is attached to the glue frame (50) by the adhesive tape gluing block (3)
On lateral wall.
2. adhesive tape gluing device according to claim 1, which is characterized in that the surrounding of the reflector plate (20) is pasted onto institute
State the bottom surface of glue frame (50).
3. adhesive tape gluing device according to claim 1, which is characterized in that the backlight module further includes lighttight mouth
Word glue (70), the mouth word glue (70) are pasted onto the glue frame (50) upper surface, and extend to the covering light guide plate (10)
Edge.
4. adhesive tape gluing device according to claim 1, which is characterized in that opened up on the inside of glue frame (50) upper surface
Have stage portion (500), incident side one end of the light guide plate (10) is longer than the optical diaphragm group (30)；The light source assembly
It (40) include the LED lamp bead (42) in flexible circuit board (41) and the flexible circuit board (41), the flexible circuit board (41)
It is overlapped in the stage portion (500) and the light guide plate (10), the LED lamp bead (42) is set to the glue frame (50) and described
Between light guide plate (10).
5. adhesive tape gluing device according to claim 1 to 4, which is characterized in that the shading glue (60) at least portion
Divide the lateral wall for extending higher by the glue frame (50).
6. adhesive tape gluing device according to claim 1, which is characterized in that the inner sidewall of the adhesive tape gluing block (3) or/
Elastomeric layer is equipped with upper surface.
7. a kind of adhesive tape gluing method of backlight module, which is characterized in that use any adhesive tape gluing of claim 1-6
Device, comprising:
The boss (1b) of the frame glue briquetting (1) is embedded in the glue frame (50)；
Shading glue (60) are pasted and are placed on the adhesive tape gluing block (3) up, and at least make the reflector plate microscope carrier (2)
On every side be all extended with shading glue (60)；
Reflector plate (20) is adsorbed on reflector plate microscope carrier (2), the shading glue (60) on the reflector plate microscope carrier (2) is pasted onto
The bottom surface of reflector plate (20)；
The adhesive tape gluing block (3) squeeze the shading glue (60) on the outside of the shading glue (60) and by the shading glue (60)
It is attached on the lateral wall of the glue frame (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785074.XA CN106200122B (en) | 2016-08-31 | 2016-08-31 | Backlight module and its adhesive tape gluing device and adhesive tape gluing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785074.XA CN106200122B (en) | 2016-08-31 | 2016-08-31 | Backlight module and its adhesive tape gluing device and adhesive tape gluing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106200122A CN106200122A (en) | 2016-12-07 |
| CN106200122B true CN106200122B (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610785074.XA Active CN106200122B (en) | 2016-08-31 | 2016-08-31 | Backlight module and its adhesive tape gluing device and adhesive tape gluing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106200122B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814480B (en) * | 2017-01-18 | 2020-02-21 | 京东方科技集团股份有限公司 | Equipment for attaching module shading adhesive tape and method for attaching module shading adhesive tape |
| CN108983500A (en) * | 2018-09-27 | 2018-12-11 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN109324440A (en) * | 2018-11-28 | 2019-02-12 | 武汉华星光电技术有限公司 | A kind of liquid crystal display panel |
| CN110570766B (en) * | 2019-09-06 | 2021-12-10 | 厦门天马微电子有限公司 | Backlight module and display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201599648U (en) * | 2009-12-18 | 2010-10-06 | 厦门京东方电子有限公司 | Manufacturing jig of backlight module |
| CN203630471U (en) * | 2013-11-05 | 2014-06-04 | 无锡博一光电科技有限公司 | Gluing jig for LCD (liquid crystal display) panel and backlight module |
| CN103676321A (en) * | 2013-12-27 | 2014-03-26 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN105114857A (en) * | 2015-06-26 | 2015-12-02 | 武汉华星光电技术有限公司 | Backlight module and LCD |
| CN105372865B (en) * | 2015-11-17 | 2019-04-05 | 武汉华星光电技术有限公司 | A kind of reflector plate, backlight module and display screen using the reflector plate |
| CN105759503A (en) * | 2016-05-03 | 2016-07-13 | 武汉华星光电技术有限公司 | Backlight module and assembling method thereof |
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2016
- 2016-08-31 CN CN201610785074.XA patent/CN106200122B/en active Active
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| CN106200122A (en) | 2016-12-07 |
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