CN207424456U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN207424456U CN207424456U CN201721309570.4U CN201721309570U CN207424456U CN 207424456 U CN207424456 U CN 207424456U CN 201721309570 U CN201721309570 U CN 201721309570U CN 207424456 U CN207424456 U CN 207424456U
- Authority
- CN
- China
- Prior art keywords
- backlight
- plate
- light guide
- light
- guide plate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model discloses a kind of backlight module and its display device, including backboard, light guide plate, backlight and glue frame, the glue frame is arranged in the accommodating space, including supporting rack and the reflector plate being arranged on supporting rack, support frame as described above has the concave Iy curved towards the backlight, the reflector plate is attached in the concave Iy curved, so that the light that LED light source is sent directly or after being reflected via reflector plate enters in light guide plate.The circuit board level of backlight by being arranged on the incidence surface outside of light guide plate by technical solutions of the utility model, and there is concave Iy curved in the substructure that supporting rack corresponds to backlight, so that the light that the LED light source on circuit board is sent can be entered from incidence surface in light guide plate directly or via after the reflector plate reflection in concave Iy curved, so that while the light-emitting surface brightness uniformity of light guide plate, middle backlight, which is arranged on side plate, compared with prior art can obtain higher brightness, and the uniform area light source of high brightness is provided for liquid crystal display panel.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of backlight module and display device.
Background technology
Liquid crystal display device on existing market is largely backlight liquid crystal display device, including housing, arranged on shell
In vivo liquid crystal panel and arranged on the in vivo backlight module of shell.The structure of traditional liquid crystal panel is by a colorized optical filtering chip base
Plate, a thin-film transistor array base-plate and a liquid crystal layer being configured between two substrates are formed, operation principle be by
Apply driving voltage on two panels glass substrate to control the rotation of the liquid crystal molecule of liquid crystal layer, the light of backlight module is reflected
To generate picture.Since liquid crystal panel does not shine in itself, it is necessary to normally show image by the light source of backlight module offer, because
This, backlight module becomes one of key component of liquid crystal display device.
Backlight module is divided into two kinds of side entrance back module and down straight aphototropism mode set according to the difference of light source incidence position.
Down straight aphototropism mode set is that illuminating source such as cathodouminescence fluorescent tube or light emitting diode are arranged on liquid crystal panel rear, directly
It forms area source and is supplied to liquid crystal panel.And side entrance back module is that backlight LED lamp bar is arranged on liquid crystal panel side rear
Back plate edges at, the incidence surface of light from light guide plate one side that LED light bar is sent enters light guide plate, after reflection and diffusion from
Light guide plate light-emitting surface projects, then via optical diaphragm group, liquid crystal panel is supplied to form area source.
The backlight of existing side entrance back module is generally arranged on side plate, so as to opposite with the incidence surface of light guide plate,
Some light only broad in the middle is injected in light guide plate, and in order to improve the brightness of backlight and light efficiency, usually in backlight
Vertical direction is both provided with reflector plate, complicated so as to which the sidelight of backlight be used, and since reflector plate is horizontal
It sets the light after being easy to cause reflection that cannot uniformly incide into light guide plate, easily makes the light-emitting surface brightness disproportionation of light guide plate
It is even.
Utility model content
The purpose of this utility model is that solving deficiency of the prior art at least to some extent, a kind of backlight mould is provided
Group and display device.
To achieve the above object, backlight module provided by the utility model, including：
Backboard, the backboard include the side plate of bottom plate and the connection bottom plate, and the bottom plate surrounds an accommodating sky with side plate
Between；
Light guide plate, the light guide plate is arranged on the side plate in the accommodating space, with incidence surface and light-emitting surface；
Backlight, the backlight closes on the incidence surface and is arranged in the accommodation space, including horizontally disposed electricity
Road plate and the LED light source being arranged on the circuit board；
Glue frame, the glue frame are arranged in the accommodating space, including supporting rack and the reflector plate that is arranged on supporting rack,
Support frame as described above has the concave Iy curved towards the backlight, and the reflector plate is attached in the concave Iy curved, so that institute
The light that LED light source is sent is stated directly or after reflecting via the reflector plate to enter in the light guide plate.
Preferably, further include the reflectance coating between the light guide plate and bottom plate and be arranged on the light-emitting surface
Optical diaphragm group.
Preferably, the inner end of support frame as described above is pressed on the edge of the light guide plate, and the thickness of the inner end and the light
The thickness for learning diaphragm group is identical.
Preferably, the upper surface of support frame as described above is additionally provided with annular projection, and the annular projection limits aobvious for installing
Show the installation space of panel.
Preferably, further include face-piece, the face-piece be with frame-type structure of the central part with opening, the face-piece
Each frame includes being covered in the upper cover of the display panel top surface edge and covers the side cover of the side plate.
Preferably, the outer end of the glue frame is connected fixation by screw with the side plate and side cover.
Preferably, the position recess that the backboard corresponds to the backlight has holding tank, is provided in the holding tank scattered
Warmware, the circuit board of the backlight are arranged on the radiating piece.
Another technical solution provided by the invention：A kind of liquid crystal display device, including above-mentioned backlight module.
Technical solutions of the utility model by the circuit board level of backlight being arranged on the outside of the incidence surface of light guide plate on,
And have concave Iy curved in the substructure that supporting rack corresponds to backlight, so that the light that the LED light source on circuit board is sent
It can be entered directly or via after the reflector plate reflection in concave Iy curved from incidence surface in light guide plate, so that light guide plate
While light-emitting surface brightness uniformity, middle backlight, which is arranged on side plate, compared with prior art can obtain higher brightness, be liquid crystal
Display panel provides the uniform area light source of high brightness.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of the utility model display device.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation, based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instructions such as hour hands ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can be contacted directly including the first and second features, it is not to contact directly but lead to that can also include the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward or only
Represent that fisrt feature level height is less than second feature.
The display device of the utility model embodiment is described in detail with reference to the accompanying drawings.
As shown in Figure 1, according to the display device of the utility model embodiment, the display device include display panel 70 with
And backlight module, the backlight module include backboard 10, light guide plate 20, backlight 30 and glue frame 40.
Specifically, the backboard 10 includes the side plate 12 of bottom plate 11 and the connection bottom plate 11, the bottom plate 11 and side plate
12 surround an accommodating space.
The light guide plate 20 is arranged on the side plate 12 in the accommodating space, with incidence surface 21 and light-emitting surface
22。
The backlight 30 closes on the incidence surface 21 and is arranged in the accommodation space, including horizontally disposed circuit board
31 and the LED light source 32 that is arranged on the circuit board 31.
The glue frame 40 is arranged in the accommodating space, including supporting rack 41 and the reflector plate being arranged on supporting rack 41
42, support frame as described above 41 has the concave Iy curved towards the backlight 30, and the reflector plate 42 is attached at the concave Iy curved
On, so that the light that the LED light source 32 is sent directly or after being reflected via the reflector plate 42 enters the light guide plate 20
It is interior.
According to the display device of the present embodiment, by the way that the circuit board 31 of backlight 30 is horizontally set on entering for light guide plate 20
On 21 outside of smooth surface, and there is concave Iy curved in the substructure that supporting rack 41 corresponds to backlight 30, so that on circuit board 31
The light that LED light source 32 is sent can directly or after being reflected via the reflector plate 42 in concave Iy curved be entered from incidence surface 21
In light guide plate 20, so that while 22 brightness uniformity of light-emitting surface of light guide plate 20, middle backlight 30 is set compared with prior art
Higher brightness can be obtained on side plate 12 by putting, and the uniform area light source of high brightness is provided for liquid crystal display panel.
Further, the backlight module of the present embodiment further includes the reflectance coating between the light guide plate 20 and bottom plate 11
50 and the optical diaphragm group 60 that is arranged on the light-emitting surface 22.Reflectance coating 50 can will pass through the lower appearance of light guide plate 20
The light reflection of surface launching returns to light guide plate 20, so as to reduce light loss；Optical diaphragm group 60 is located at light guide plate 20 and display panel
Between, the supreme diffusion sheet stacked gradually in bottom right, prismatic lens and screening glass are generally included, can spread and/or collimate from leaded light
Light emitted by the light-emitting surface 22 of plate 20.
The inner end 43 of support frame as described above 41 is pressed on the edge of the light guide plate 20, and the thickness of the inner end 43 and the light
The thickness for learning diaphragm group 60 is identical.In this way, when installing display panel 70, the lower surface of display panel 70 and supporting rack 41 and
The upper surface of optical diaphragm group 60 fits, more compact structure, can reduce the thickness of backlight module.
Further, the upper surface of support frame as described above 41 is additionally provided with annular projection 44, and the annular projection 44 limits
For installing the installation space of display panel 70；So as to which display panel 70 be protected to be hardly damaged, fragmentation, improve the whole of backlight module
Body intensity.
Preferably, the utility model backlight module further includes face-piece 80, and the face-piece 80 is with opening with central part
The frame-type structure of mouth, each frame of the face-piece 80 include being covered in 81 He of upper cover of 70 top surface edge of display panel
Cover the side cover 82 of the side plate 12.Wherein, the outer end of the glue frame 40 is connected by screw 83 and the side plate 12 and side cover 82
Connect fixation.
In one embodiment of the utility model, the position recess that the backboard 10 corresponds to the backlight 30 has receiving
Slot is provided with radiating piece 13 in the holding tank, and the circuit board 31 of the backlight 30 is arranged on the radiating piece 13.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Conversion or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of backlight module, which is characterized in that including：
Backboard, the backboard include the side plate of bottom plate and the connection bottom plate, and the bottom plate surrounds an accommodating space with side plate；
Light guide plate, the light guide plate is arranged on the side plate in the accommodating space, with incidence surface and light-emitting surface；
Backlight, the backlight closes on the incidence surface and is arranged in the accommodating space, including horizontally disposed circuit board
And it is arranged at the LED light source on the circuit board；
Glue frame, the glue frame are arranged in the accommodating space, described including supporting rack and the reflector plate being arranged on supporting rack
Supporting rack has the concave Iy curved towards the backlight, and the reflector plate is attached in the concave Iy curved, so that the LED
The light that light source is sent directly or after being reflected via the reflector plate enters in the light guide plate.
2. backlight module as described in claim 1, which is characterized in that further include anti-between the light guide plate and bottom plate
Penetrate film and the optical diaphragm group being arranged on the light-emitting surface.
3. backlight module as claimed in claim 2, which is characterized in that the inner end of support frame as described above is pressed in the side of the light guide plate
On edge, and the thickness of the inner end is identical with the thickness of the optical diaphragm group.
4. backlight module as claimed in claim 3, which is characterized in that it is prominent that the upper surface of support frame as described above is additionally provided with annular
It rises, the annular projection limits to install the installation space of display panel.
5. backlight module as claimed in claim 4, which is characterized in that further include face-piece, the face-piece is with central part
Frame-type structure with opening, each frame of the face-piece include being covered in the upper cover of the display panel top surface edge and
Cover the side cover of the side plate.
6. backlight module as claimed in claim 5, which is characterized in that the outer end of the glue frame by screw and the side plate and
Side cover connection is fixed.
7. backlight module as described in claim 1, which is characterized in that the position recess that the backboard corresponds to the backlight has
Holding tank is provided with radiating piece in the holding tank, and the circuit board of the backlight is arranged on the radiating piece.
8. a kind of display device, which is characterized in that including the backlight module as described in claim 1-7 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309570.4U CN207424456U (en) | 2017-10-09 | 2017-10-09 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309570.4U CN207424456U (en) | 2017-10-09 | 2017-10-09 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424456U true CN207424456U (en) | 2018-05-29 |
Family
ID=62311000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721309570.4U Expired - Fee Related CN207424456U (en) | 2017-10-09 | 2017-10-09 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424456U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956467A (en) * | 2018-08-09 | 2018-12-07 | 京东方科技集团股份有限公司 | A kind of micro-fluidic chip and its working method |
| CN109270721A (en) * | 2018-10-26 | 2019-01-25 | 蚌埠国显科技有限公司 | A kind of non-damageable liquid crystal display die set |
| CN109270722A (en) * | 2018-10-26 | 2019-01-25 | 蚌埠国显科技有限公司 | A kind of practical liquid crystal display die set |
| CN109283742A (en) * | 2018-10-26 | 2019-01-29 | 蚌埠国显科技有限公司 | A kind of LED light is located at the liquid crystal display die set on the outside of backboard |
| CN109375416A (en) * | 2018-10-25 | 2019-02-22 | 安徽赛迈特光电股份有限公司 | Backlight module based on quantum dots and liquid crystal display screen with same |
| CN110196512A (en) * | 2019-05-30 | 2019-09-03 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN110488538A (en) * | 2019-08-27 | 2019-11-22 | 深圳市泰坦士科技有限公司 | A kind of liquid crystal display device convenient for being reprocessed to light guide plate |
| CN115079466A (en) * | 2021-03-12 | 2022-09-20 | 南京瀚宇彩欣科技有限责任公司 | Light guide module |
| WO2023143536A1 (en) * | 2022-01-29 | 2023-08-03 | 深圳创维－Rgb电子有限公司 | Backlight module and display apparatus |
-
2017
- 2017-10-09 CN CN201721309570.4U patent/CN207424456U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956467A (en) * | 2018-08-09 | 2018-12-07 | 京东方科技集团股份有限公司 | A kind of micro-fluidic chip and its working method |
| CN108956467B (en) * | 2018-08-09 | 2022-04-22 | 京东方科技集团股份有限公司 | Micro-fluidic chip and working method thereof |
| CN109375416A (en) * | 2018-10-25 | 2019-02-22 | 安徽赛迈特光电股份有限公司 | Backlight module based on quantum dots and liquid crystal display screen with same |
| CN109375416B (en) * | 2018-10-25 | 2024-03-01 | 安徽赛迈特光电股份有限公司 | Backlight module based on quantum dots and liquid crystal display screen with same |
| CN109270721A (en) * | 2018-10-26 | 2019-01-25 | 蚌埠国显科技有限公司 | A kind of non-damageable liquid crystal display die set |
| CN109270722A (en) * | 2018-10-26 | 2019-01-25 | 蚌埠国显科技有限公司 | A kind of practical liquid crystal display die set |
| CN109283742A (en) * | 2018-10-26 | 2019-01-29 | 蚌埠国显科技有限公司 | A kind of LED light is located at the liquid crystal display die set on the outside of backboard |
| CN110196512A (en) * | 2019-05-30 | 2019-09-03 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN110196512B (en) * | 2019-05-30 | 2022-02-01 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN110488538A (en) * | 2019-08-27 | 2019-11-22 | 深圳市泰坦士科技有限公司 | A kind of liquid crystal display device convenient for being reprocessed to light guide plate |
| CN115079466A (en) * | 2021-03-12 | 2022-09-20 | 南京瀚宇彩欣科技有限责任公司 | Light guide module |
| WO2023143536A1 (en) * | 2022-01-29 | 2023-08-03 | 深圳创维－Rgb电子有限公司 | Backlight module and display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207424456U (en) | Backlight module and display device | |
| CN100456348C (en) | Liquid crystal display module and driving method thereof | |
| US8421971B2 (en) | Liquid crystal display module and one-piece back plate thereof | |
| CN101788120B (en) | Backlight assembly and display apparatus having the same | |
| CN102661535B (en) | Direct type backlight module | |
| CN103777382A (en) | Curved display apparatus | |
| CN105892144A (en) | Backlight unit | |
| US20100165634A1 (en) | Ultra-thin light guidance device | |
| KR20150092392A (en) | Backlight unit and liquid crystal display comprising the same | |
| KR20120067550A (en) | Backlight unit and liquid crystal display using the same | |
| CN104503136A (en) | Display module and mobile terminal | |
| KR20160084554A (en) | Backlight unit and display device comprising the same | |
| CN107621733A (en) | Side entrance back module | |
| CN202361206U (en) | Backlight module and liquid crystal display device | |
| CN215416195U (en) | Reflector and direct type backlight structure | |
| US8944622B2 (en) | Lighting system having reflector support and display device | |
| CN102141219A (en) | Backlight unit and display device using same | |
| CN101435945A (en) | Backlight source of liquid crystal display | |
| US8657458B2 (en) | Lighting device, display device and television receiver | |
| US6966686B2 (en) | Surface light source device | |
| CN108700772A (en) | Display device | |
| US11402690B2 (en) | Backlight unit and liquid crystal display device including the same | |
| CN205137209U (en) | Straight following formula backlight unit and liquid crystal display | |
| CN209690672U (en) | A kind of backlight module | |
| US9905169B2 (en) | Display device |
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: 20180529 Termination date: 20191009 |