CN107526209A - A kind of backlight module and its display device - Google Patents
A kind of backlight module and its display device Download PDFInfo
- Publication number
- CN107526209A CN107526209A CN201611160140.0A CN201611160140A CN107526209A CN 107526209 A CN107526209 A CN 107526209A CN 201611160140 A CN201611160140 A CN 201611160140A CN 107526209 A CN107526209 A CN 107526209A
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- China
- Prior art keywords
- backlight
- area
- light
- guide plate
- light guide
- 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
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of backlight module and its display device, the backlight module includes framework, optical diaphragm group, light source assembly and is sequentially placed in the reflector plate in framework, the first light guide plate and the second light guide plate, it is characterized in that, first light guide plate includes at least two area equations, separate carrier；First light guide plate by the light source assembly light from light inputting end project, formed the first backlight area；The second layer light guide plate by the light source assembly light from light inputting end project, independent separate be area equation the second backlight area and the 3rd backlight area.User is shown to by the multi-screen of backlight module, multizone and brings more comfortable man-machine interaction experience, it is simple and quick, compared with prior art simultaneously, by backlight module, this two light guide plate different periods staggeredly perform, backlight module quick aging can be avoided, improves the life-span of backlight module and display device.
Description
Technical field
The present invention relates to a kind of backlight module and the display device including the backlight module, screen message can be effectively increased
Saturation, to user more comfortable pleasant operating experience is brought, it is simple and quick.
Background technology
With the mobile device such as popularization of smart mobile phone, tablet personal computer in daily life, small-medium size product, it is particularly
The portable information product such as intelligent terminal has obtained significant progress.Constantly pursue high-resolution, high-contrast, narrow frame and
While ultra-thin display device, user more payes attention to use comfort, simple operation and the hommization degree of mobile device.It is existing
Some mobile devices are mostly single display screen, are required for opening unique display screen under any application scenarios and are operated, right
In in more detail, more fully information, and need to only see a part therein for secrecy or other reason, client, be unfavorable for
The exchange and verification of information, while the shortcomings of inconvenient for use, electrical source consumption is fast, endurance is poor can be caused.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of backlight module and its display device, to overcome existing movement
The defects of display screen of tables of equipment one is present, more comfortable pleasant operating experience is brought to user, split screen display available can also be utilized in addition
Extend the endurance of mobile device.
In order to solve the above technical problems, technical scheme is as follows：A kind of backlight module, the backlight module include
Framework, optical diaphragm group, light source assembly and it is sequentially placed in the reflector plate in framework, the first light guide plate and the second light guide plate, its
It is characterised by, first light guide plate includes at least two area equations, separate carrier；First light guide plate by
The light of the light source assembly projects from light inputting end, forms the first backlight area；The second layer light guide plate by the light source
The light of component projects from light inputting end, and independent separate is the second backlight area and the 3rd backlight area of area equation.
Further, the light source assembly includes the first backlight, the second backlight and flexible PCB, first back of the body
Light source and second backlight are fixed on the one side of the flexible PCB, the another side of the flexible PCB and the screening
Light part bonds.
Further, it is characterised in that the side wall of first backlight and second backlight in corresponding light guide plate
Alternate arrangement.
Further, first backlight and second backlight are provided with LED component, by LED component
Independent control.
Further, the display pattern of first backlight and second backlight comprises at least：Second back of the body
Light region or the 3rd backlight area of institute are extinguished and first backlight area is lighted, second backlight area light and described the
Three light sources extinguish, and the 3rd backlight area is extinguished and second backlight extinguishing is lighted.
Further, second backlight area and the 3rd backlight area gap sunk structure be smaller than or
Equal to 150 microns, or for 200 microns to 300 microns.
Further, the backlight module also includes multiple light shielding parts, and the multiple light shielding part is arranged to and described first
Backlight and second backlight are corresponding.
Further, the display device of the backlight module is included, it is characterised in that the display device includes：
One as previously discussed any one of backlight module；And
One display panel, it is arranged above the backlight module；
One main control module is used to receive control signal and can control the viewing area of liquid crystal first, the second display according to signal respectively
Region and initialization, startup and the closing of the 3rd viewing area.
Further, the main control module is shown not in the first backlight area, the second backlight area and the 3rd backlight area
With brightness picture when can load different operating currents, realize according to the operating current of main control module to determine each viewing area
The picture brightness in domain.
The present invention can reach following beneficial effect by using above-mentioned technical proposal：
1. being applied to all kinds of mobile devices, split screen display available can be utilized to bring the man-machine interaction experience of more comfortable hommization to user,
It is simple and quick, while by backlight module, this two light guide plate different periods are staggeredly performed, and backlight module can be avoided quick
Aging, improve the life-span of backlight module and display device.
2. main control module can subregion, self-defined control backlight module first backlight area, the second backlight area and the 3rd
Backlight area, split screen display available can be utilized to extend the endurance of mobile device, effectively save power supply, strong operability.
Brief description of the drawings
Fig. 1 is the structure decomposition figure of backlight module of the present invention.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.
Reference picture 1, a kind of backlight module, including framework 30, optical diaphragm group 40, light source assembly 50 and be sequentially placed in frame
Reflector plate 60, the first light guide plate 10 and the second light guide plate 20 in body 30, it is characterised in that first light guide plate 10 by institute
The light for stating light source assembly 50 projects, and forms the first backlight area 11；Second light guide plate 10 includes at least two area phases
Deng, separate the second backlight area and the 3rd backlight area；The second layer light guide plate 20 by the light source assembly
Light projects, and independent separate is the second backlight area 21 and the 3rd backlight area 22 of area equation.
Light source assembly 50 includes the first backlight 51, the backlight 53 of flexible PCB 52 and second, the He of the first backlight 51
Second backlight 53 is fixed on the one side of flexible PCB 52, and the another side of flexible PCB 52 bonds with the shading piece, the
One backlight 51 is alternately arranged to side wall of second backlight 53 in corresponding light guide plate.
First backlight 51 and the second backlight 53 be respectively provided with can independent control by LED component.
The display pattern of first backlight 51 and the second backlight 53 comprises at least：Second backlight area 21 or the 3rd backlight
Region 22 is extinguished and the first backlight area 11 is lighted, and the second backlight area 21 is lighted and the 3rd backlight area extinguishes 22, the 3rd back of the body
Light region 22 is extinguished and backlight area 21 is lighted, and realizes multi-screen, the display effect of multi partition of light guide plate.
Second backlight area 21 and the gap of the 3rd backlight area 22 are smaller than or equal to 150 microns in sunk structure,
Or for 200 microns to 300 microns, this gap does not influence the usage experience of user in actual use.
Backlight module also includes multiple light shielding parts 70, and multiple light shielding parts 70 are arranged to and the first backlight 51 and the second backlight
Source 53 is corresponding.
Present invention additionally comprises the display device for the backlight module, and it includes a display panel, is arranged at the backlight
Above module, a main control module is used to receive control signal and can control the first backlight area, second back of the body according to signal respectively
Light region and initialization, startup and the closing of the 3rd backlight area.
Second backlight area of one main control module control, the work asynchronous with the first backlight area of the 3rd backlight area,
Main control module can add when the first backlight area, the second backlight area and the 3rd backlight area show the picture of different brightness simultaneously
Different operating currents is carried, is realized according to the operating current of main control module to determine the picture brightness of each viewing area.When
Two backlight areas or the 3rd backlight area brightness it is dark or it is brighter press in the case of can carry out it is separately adjustable.
The backlight module assembling mode of the present invention is using blooming piece, glue frame, light guide plate and finished product flexible PCB one
The step of profiled part, making are integrally formed part；The blooming piece and glue frame, light guide plate and finished product flexible PCB one
Body formed part assembled formation, number of assembling steps are：Assemble first in reflector plate to framework, assemble the of the second light guide plate and side
Two backlights, the first light guide plate and the first backlight are assembled, finally assemble diffusion barrier, bright enhancement film and photomask.
In certain embodiments, the backlight module also includes chase, blooming piece and glue frame, light guide plate and finished product flexible electrical
Road plate is integrally formed part and is placed in the chase.The optical diaphragm group includes anti-dazzling screen, bright enhancement film, diffusion barrier and reflection
Piece；Blooming piece and glue frame, light guide plate and finished product flexible PCB, which are integrally formed part and be placed in chase, to be specifically included：Will be anti-
Penetrate piece, the glue frame, light guide plate and finished product flexible PCB and be integrally formed part, bright enhancement film and anti-dazzling screen and be placed sequentially in chase
In.
In certain embodiments, the backlight module also includes glue iron integrative-structure, optical diaphragm group and glue frame, light guide plate and
Finished product flexible PCB is integrally formed part and is placed in the chase, and optical diaphragm group includes anti-dazzling screen, bright enhancement film, diffusion barrier
And reflector plate；Blooming piece and glue frame, light guide plate and finished product flexible PCB, which are integrally formed part and be placed in chase, specifically to be wrapped
Include：Reflector plate, glue frame, light guide plate and finished product flexible PCB are integrally formed into part, bright enhancement film and anti-dazzling screen to be successively set on
In above-mentioned chase.
Backlight module provided by the invention, all kinds of mobile devices are applied to by backlight module multi partition and asynchronous display,
The man-machine interaction experience of more comfortable hommization can be brought to user using split screen display available, it is simple and quick, while with existing skill
Art is compared, and by backlight module, this two light guide plate different periods staggeredly perform, and can avoid backlight module quick aging, improve the back of the body
The life-span of optical mode group and display device, main control module be used for receive control signal and can respectively according to signal subregion, make by oneself
Justice control backlight module first backlight area, the second backlight area and the 3rd backlight area, can utilize split screen display available to extend movement
The endurance of equipment, effectively save power supply, strong operability.
It the above is only the embodiment of the present invention, any formal limitation not done to the present invention, it is every
Any simple modification, equivalent variations, combination or the modification that technical spirit according to the present invention is made to embodiment of above, still
Belong to the protection domain of technical solution of the present invention.
Claims (9)
1. a kind of backlight module, the backlight module includes framework, optical diaphragm group, light source assembly and is sequentially placed in framework
Reflector plate, the first light guide plate and the second light guide plate, it is characterised in that first light guide plate includes at least two area equations,
Separate carrier；First light guide plate by the light source assembly light from light inputting end project, formed the first backlight
Region；The second layer light guide plate by the light of the light source assembly projected from light inputting end, independent separate is area equation
Second backlight area and the 3rd backlight area.
A kind of 2. backlight module according to claim 2, it is characterised in that the light source assembly include the first backlight,
Second backlight and flexible PCB, first backlight and second backlight are fixed on the one of the flexible PCB
Face, the another side of the flexible PCB bond with the shading piece.
3. a kind of backlight module according to claim 2, it is characterised in that first backlight and second backlight
Source is alternately arranged in the side wall of corresponding light guide plate.
4. a kind of backlight module according to claim 2, it is characterised in that first backlight and second backlight
Source is provided with LED component, by LED component independent control.
5. according to a kind of backlight module described in claim any one of 2-4, it is characterised in that first backlight and described
The display pattern of second backlight comprises at least：Second backlight area or the 3rd backlight area of institute are extinguished and first back of the body
Light region is lighted, and second backlight area is lighted and the 3rd backlight area is extinguished, the 3rd backlight area extinguish and
Second backlight, which extinguishes, to be lighted.
6. a kind of backlight module according to claim 1, it is characterised in that second backlight area and the 3rd back of the body
Light region gap is smaller than or equal to 150 microns sunk structure, or for 200 microns to 300 microns.
7. display device according to claim 1, the backlight module also includes multiple light shielding parts, the multiple light shielding part
It is arranged to corresponding with first backlight and second backlight.
8. a kind of display device, it is characterised in that the display device includes：
Just like the backlight module any one of claim 1 to 7；And
One display panel, it is arranged above the backlight module；
One main control module is used to receive control signal and can control the viewing area of liquid crystal first, the second display according to signal respectively
Region and initialization, startup and the closing of the 3rd viewing area.
9. a kind of display device according to claim 8, it is characterised in that the main control module is in the first backlight area
Domain, the second backlight area and the 3rd backlight area, which are shown, can load different operating currents during the picture of different brightness, realize basis
The operating current of main control module determines the picture brightness of each viewing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160140.0A CN107526209A (en) | 2016-12-15 | 2016-12-15 | A kind of backlight module and its display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160140.0A CN107526209A (en) | 2016-12-15 | 2016-12-15 | A kind of backlight module and its display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107526209A true CN107526209A (en) | 2017-12-29 |
Family
ID=60748527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611160140.0A Pending CN107526209A (en) | 2016-12-15 | 2016-12-15 | A kind of backlight module and its display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107526209A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020064628A1 (en) * | 2018-09-25 | 2020-04-02 | Continental Automotive Gmbh | Display comprising an lcd having backlighting means |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2856276B2 (en) * | 1996-06-20 | 1999-02-10 | 日本電気株式会社 | Backlight device |
| CN101183194A (en) * | 2006-11-16 | 2008-05-21 | 恩普乐股份有限公司 | Surface light source device and display device |
| CN202532338U (en) * | 2012-05-22 | 2012-11-14 | 广东欧珀移动通信有限公司 | LED backlight module |
| KR20130024148A (en) * | 2011-08-30 | 2013-03-08 | 엘지이노텍 주식회사 | Display apparatus |
| CN202791597U (en) * | 2012-05-23 | 2013-03-13 | 京东方科技集团股份有限公司 | Backlight module for liquid crystal display device and liquid crystal display device |
| JP2013182247A (en) * | 2012-03-05 | 2013-09-12 | Japan Display Central Co Ltd | Liquid crystal display device |
| CN103912827A (en) * | 2014-04-04 | 2014-07-09 | 京东方科技集团股份有限公司 | Backlight source, liquid crystal display panel and liquid crystal display device |
| CN205750209U (en) * | 2016-05-16 | 2016-11-30 | Tcl显示科技（惠州）有限公司 | Backlight module and electronic installation |
-
2016
- 2016-12-15 CN CN201611160140.0A patent/CN107526209A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2856276B2 (en) * | 1996-06-20 | 1999-02-10 | 日本電気株式会社 | Backlight device |
| CN101183194A (en) * | 2006-11-16 | 2008-05-21 | 恩普乐股份有限公司 | Surface light source device and display device |
| KR20130024148A (en) * | 2011-08-30 | 2013-03-08 | 엘지이노텍 주식회사 | Display apparatus |
| JP2013182247A (en) * | 2012-03-05 | 2013-09-12 | Japan Display Central Co Ltd | Liquid crystal display device |
| CN202532338U (en) * | 2012-05-22 | 2012-11-14 | 广东欧珀移动通信有限公司 | LED backlight module |
| CN202791597U (en) * | 2012-05-23 | 2013-03-13 | 京东方科技集团股份有限公司 | Backlight module for liquid crystal display device and liquid crystal display device |
| CN103912827A (en) * | 2014-04-04 | 2014-07-09 | 京东方科技集团股份有限公司 | Backlight source, liquid crystal display panel and liquid crystal display device |
| CN205750209U (en) * | 2016-05-16 | 2016-11-30 | Tcl显示科技（惠州）有限公司 | Backlight module and electronic installation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020064628A1 (en) * | 2018-09-25 | 2020-04-02 | Continental Automotive Gmbh | Display comprising an lcd having backlighting means |
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| PB01 | Publication | ||
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Application publication date: 20171229 |