CN104991379B - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN104991379B CN104991379B CN201510459109.6A CN201510459109A CN104991379B CN 104991379 B CN104991379 B CN 104991379B CN 201510459109 A CN201510459109 A CN 201510459109A CN 104991379 B CN104991379 B CN 104991379B
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- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- backlight module
- plate
- backboard
- 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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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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module and liquid crystal display device, the part of setting adhesive tape (3) is attached on the outer surface of side plate (103) of backboard (10), another part of adhesive tape (3) is attached to from the outside bending in top of the side plate (103) on liquid crystal display panel (2), so as to which liquid crystal display panel (2) and backboard (10) is fixed, backlight module can be avoided to occur the problems such as glue leakage, degumming during being assembled with liquid crystal display panel under the premise of glue frame is not used to realize liquid crystal display device narrow frame with mouth word glue.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of backlight modules and liquid crystal display device.
Background technology
Liquid crystal display device (Liquid Crystal Display, LCD) has that fuselage is thin, power saving, radiationless etc. numerous
Advantage is widely used, such as：Mobile phone, personal digital assistant (PDA), digital camera, computer screen or notes
This computer screen etc..
Liquid crystal display device on existing market is largely backlight liquid crystal display device, including liquid crystal display panel and
Backlight module (Backlight module).In general, the structure of liquid crystal display panel is by a colored filter substrate (Color
Filter), thin-film transistor array base-plate (Thin Film Transistor Array Substrate, TFT Array
Substrate) and a liquid crystal layer being configured between two substrates (Liquid Crystal Layer) is formed, operation principle
It is to control the rotation of the liquid crystal molecule of liquid crystal layer by applying driving voltage on two panels glass substrate, by the light of backlight module
Line reflects generation picture.Since liquid crystal display panel does not shine in itself, the light source provided by backlight module is needed normally to show
Show image, therefore, backlight module becomes one of key component of liquid crystal display device.
With the development of mobile communication product, narrow frameization has become the design weight of current small-medium size liquid crystal display device
Point.
As shown in Figure 1, the backlight module in available liquid crystal display device is mainly coordinated using glue frame 100 and mouth word glue 200
Structure fix liquid crystal display panel 300, the major way for realizing narrow frame design is by reducing glue frame 100 and mouth word glue 200
The mode of width is to reduce border width.But glue frame 100 and the molding of mouth word glue 200 are required for ensureing certain width, width mistake
It is small, it can not be molded, such as：Glue frame 100 generally can only constriction to 0.4mm, mouth word glue 200 generally can only constriction to 0.45mm, this
Limit the degree of frame energy constriction.
In order to reduce border width, there is another back light module unit structure, as shown in Fig. 2, the back light module unit structure
Without using mouth word glue, glue frame is replaced using backboard 400, breaches the molding limitation of glue frame and mouth word glue.But this structure exists
One problem, that is, it is difficult fixation to remove mouthful word glue and the narrow rear backlight module of frame and liquid crystal display panel 300 '.
In order to solve the problems, such as back light module unit structure shown in Fig. 2, the prior art is generally using as shown in Figure 3 in backboard 400
Side mode for dispensing glue backboard 400 is fixed with liquid crystal display panel 300 ', but this mode be easy to cause glue 500 from
Backboard 400 and the contact surface of liquid crystal display panel 300 ' inwardly leak out to viewing area, and the risk of degumming is larger.
Invention content
The purpose of the present invention is to provide a kind of backlight modules, glue frame can not used to realize liquid crystal display with mouth word glue
Under the premise of device narrow frame, it is avoided with there is the problems such as glue leakage, degumming during liquid crystal display panel assembling.
The present invention also aims to provide a kind of liquid crystal display device, do not use glue frame and mouth word glue, frame relatively narrow,
Backlight module and liquid crystal display panel assembling during be not in glue leakage, degumming the problems such as.
To achieve the above object, the present invention provides a kind of backlight module, including backboard and adhesive tape；
The backboard includes bottom plate and the side plate in the edge vertical connection of the bottom plate bottom plate；The adhesive tape
Part is attached on the outer surface of the side plate, and another part extends outwardly from the top of the side plate；The adhesive tape it is another
Part is used to attach, fix liquid crystal display panel.
The length of the adhesive tape is more than the height of the side plate.
The cross section of the adhesive tape is disconnected close to " mouth " font, and in the corner of side plate.
The backlight module further includes backlight, bottom reflector plate, light guide plate and optical diaphragm in the backboard
Group, the bottom reflector plate, light guide plate and optical diaphragm group are stacked gradually on the bottom plate.
The present invention also provides a kind of liquid crystal display devices, including backlight module and are fixed on the backlight module
Liquid crystal display panel；
The backlight module includes backboard and adhesive tape；The backboard includes bottom plate and the surrounding marginal lappet in the bottom plate
The direct-connected side plate for connecing the bottom plate；The tape portion is attached on the outer surface of the side plate, and another part is from the side plate
The outside bending in top is attached on liquid crystal display panel, so as to which liquid crystal display panel and backboard be fixed.
The length of the adhesive tape is more than the height of the side plate.
The cross section of the adhesive tape is disconnected close to " mouth " font, and in the corner of side plate.
The backlight module further includes backlight, bottom reflector plate, light guide plate and optical diaphragm in the backboard
Group, the bottom reflector plate, light guide plate and optical diaphragm group are stacked gradually on the bottom plate.
Beneficial effects of the present invention：A kind of backlight module and liquid crystal display device provided by the invention set the portion of adhesive tape
Divide on the outer surface of side plate for being attached at backboard, from the top of the side plate, outside bending attaches to liquid crystal to another part of adhesive tape
On panel, so as to which liquid crystal display panel and backboard be fixed, glue frame can not used to realize liquid crystal display device narrow side with mouth word glue
Under the premise of frame, backlight module is avoided to occur the problems such as glue leakage, degumming during being assembled with liquid crystal display panel.
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with the detailed of the present invention
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
Description of the drawings
Below in conjunction with the accompanying drawings, it is described in detail by the specific embodiment to the present invention, technical scheme of the present invention will be made
And other beneficial effects are apparent.
In attached drawing,
Fig. 1 is the cross-sectional view of the first existing liquid crystal display device；
Fig. 2 is the cross-sectional view of second of existing liquid crystal display device；
Fig. 3 is the cross-sectional view of the third existing liquid crystal display device；
Fig. 4 is the cross-sectional view of the backlight module of the present invention；
Fig. 5 is corresponding to the diagrammatic cross-section at A-A in Fig. 4；
Fig. 6 is the cross-sectional view of the liquid crystal display device of the present invention.
Specific embodiment
The technological means and its effect taken further to illustrate the present invention, below in conjunction with the preferred implementation of the present invention
Example and its attached drawing are described in detail.
Please refer to Fig. 4 and Fig. 5, present invention firstly provides a kind of backlight module, including backboard 10, set on the backboard
Backlight, bottom reflector plate 13, light guide plate 15, optical diaphragm group 17 and adhesive tape 3 in 10.
The backboard 10 includes bottom plate 101 and in the side of the edge vertical connection of the bottom plate 101 bottom plate 101
Plate 103.3 part of adhesive tape is attached on the outer surface of the side plate 103, another part from the top of the side plate 103 to
Outer extension；Another part of the adhesive tape 3 is used to attach, fix liquid crystal display panel.Liquid crystal display panel and backboard 10 are consolidated by adhesive tape 3
Be scheduled on together, can avoid existing backlight module and liquid crystal display panel assemble during due to the glue caused by the dispensing of backboard side
The problems such as water leakage, degumming.
Specifically, as shown in figure 4, the length of the adhesive tape 3 is more than the height of the side plate 103 so that the adhesive tape 3
Another part can extend outwardly from the top of the side plate 103.
As shown in figure 5, the cross section of the adhesive tape 3 is disconnected close to " mouth " font, and in the corner of side plate 103, so as to
It is attached on liquid crystal display panel 2 in by another part of the adhesive tape 3.
The bottom reflector plate 13, light guide plate 15 and optical diaphragm group 17 are stacked gradually on the bottom plate 101.
Based on same inventive concept, on the basis of above-mentioned backlight module, the present invention also provides a kind of liquid crystal display device,
Referring to Fig. 6, with reference to Fig. 4 and Fig. 5, which includes backlight module 1 and is fixed on the backlight module 1
Liquid crystal display panel 2.
The backlight module 1 include backboard 10, the backlight in the backboard 10, bottom reflector plate 13, light guide plate 15,
Optical diaphragm group 17 and adhesive tape 3.
The backboard 10 includes bottom plate 101 and in the side of the edge vertical connection of the bottom plate 101 bottom plate 101
Plate 103.3 part of adhesive tape is attached on the outer surface of the side plate 103, another part from the top of the side plate 103 to
Outer bending is attached on liquid crystal display panel 2, so as to which liquid crystal display panel 2 and backboard 10 be fixed.By adhesive tape 3 by liquid crystal display panel and backboard
10 are fixed together, can avoid existing backlight module and liquid crystal display panel assemble during due to causing in the dispensing of backboard side
Glue leakage, degumming the problems such as.
Specifically, as shown in figure 4, the length of the adhesive tape 3 is more than the height of the side plate 103 so that the adhesive tape 3
Another part can be from the outside bending in top of the side plate 103.
As shown in figure 5, the cross section of the adhesive tape 3 is disconnected close to " mouth " font, and in the corner of side plate 103, so as to
It is attached on liquid crystal display panel 2 in by the outside bending of another part of the adhesive tape 3.
The bottom reflector plate 13, light guide plate 15 and optical diaphragm group 17 are stacked gradually on the bottom plate 101.
The liquid crystal display panel 2 is no different with the prior art, include colored filter substrate, thin-film transistor array base-plate,
And it is configured at the liquid crystal layer between two substrates.
In conclusion the backlight module and liquid crystal display device of the present invention, set the part of adhesive tape to be attached at the side of backboard
On the outer surface of plate, from the top of the side plate, outside bending attaches on liquid crystal display panel another part of adhesive tape, thus by liquid
Crystal panel is fixed with backboard, can be kept away under the premise of glue frame is not used to realize liquid crystal display device narrow frame with mouth word glue
Exempt from the problems such as glue leakage, degumming occur during backlight module and liquid crystal display panel assembling.
The above, for those of ordinary skill in the art, can according to the technique and scheme of the present invention and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (3)
1. a kind of liquid crystal display device, which is characterized in that including backlight module (1) and be fixed on the backlight module (1)
Liquid crystal display panel (2)；
The backlight module (1) includes backboard (10) and adhesive tape (3)；The backboard (10) is including bottom plate (101) and in described
The side plate (103) of the edge vertical connection of bottom plate (101) bottom plate (101)；The adhesive tape (3) is partly attached at the side
On the outer surface of plate (103), another part is attached to from the outside bending in top of the side plate (103) on liquid crystal display panel (2), from
It is and liquid crystal display panel (2) and backboard (10) is fixed；
The cross section of the adhesive tape (3) is disconnected close to " mouth " font, and in the corner of side plate (103).
2. liquid crystal display device as described in claim 1, which is characterized in that the length of the adhesive tape (3) is more than the side plate
(103) height.
3. liquid crystal display device as described in claim 1, which is characterized in that the backlight module (1) is further included set on described
Backlight, bottom reflector plate (13), light guide plate (15) and optical diaphragm group (17) in backboard (10), the bottom reflector plate (13),
Light guide plate (15) and optical diaphragm group (17) are stacked gradually on the bottom plate (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459109.6A CN104991379B (en) | 2015-07-29 | 2015-07-29 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459109.6A CN104991379B (en) | 2015-07-29 | 2015-07-29 | Backlight module and liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104991379A CN104991379A (en) | 2015-10-21 |
| CN104991379B true CN104991379B (en) | 2018-07-10 |
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ID=54303214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459109.6A Active CN104991379B (en) | 2015-07-29 | 2015-07-29 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104991379B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102462654B1 (en) * | 2015-11-05 | 2022-11-07 | 삼성디스플레이 주식회사 | Display apparatus |
| CN105929599B (en) * | 2016-06-16 | 2019-06-25 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN106405910A (en) * | 2016-10-17 | 2017-02-15 | 武汉华星光电技术有限公司 | Display module and liquid crystal display equipment |
| CN109307943A (en) * | 2018-10-30 | 2019-02-05 | 武汉华星光电技术有限公司 | Backlight module and narrow frame liquid crystal display die set |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393579A (en) * | 2011-11-29 | 2012-03-28 | 友达光电股份有限公司 | Liquid crystal display device |
| CN203117600U (en) * | 2010-10-28 | 2013-08-07 | Lg电子株式会社 | Display device |
| CN103838031A (en) * | 2012-11-22 | 2014-06-04 | 鑫成科技(成都)有限公司 | Display device |
| CN104597633A (en) * | 2013-10-31 | 2015-05-06 | 友达光电股份有限公司 | Display module and display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI444946B (en) * | 2012-04-03 | 2014-07-11 | Au Optronics Corp | Display device |
-
2015
- 2015-07-29 CN CN201510459109.6A patent/CN104991379B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203117600U (en) * | 2010-10-28 | 2013-08-07 | Lg电子株式会社 | Display device |
| CN102393579A (en) * | 2011-11-29 | 2012-03-28 | 友达光电股份有限公司 | Liquid crystal display device |
| CN103838031A (en) * | 2012-11-22 | 2014-06-04 | 鑫成科技(成都)有限公司 | Display device |
| CN104597633A (en) * | 2013-10-31 | 2015-05-06 | 友达光电股份有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104991379A (en) | 2015-10-21 |
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