CN107526211A - A kind of partition type backlight module and its display device - Google Patents
A kind of partition type backlight module and its display device Download PDFInfo
- Publication number
- CN107526211A CN107526211A CN201611167926.5A CN201611167926A CN107526211A CN 107526211 A CN107526211 A CN 107526211A CN 201611167926 A CN201611167926 A CN 201611167926A CN 107526211 A CN107526211 A CN 107526211A
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- China
- Prior art keywords
- backlight
- light
- vector
- area
- support
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- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Abstract
The invention discloses a kind of partition type backlight module and its display device, the backlight module includes framework, is placed in parallel framework inner area is equal, separate first vector and Second support；It is characterized in that,The first vector from bottom to top stacks the first light guide plate successively,First backlight and the first optical diaphragm group,The Second support from bottom to top stack successively the second light guide plate and,Second backlight and the second optical diaphragm group,The light that first vector and Second support project from light source assembly,Form the first backlight area and the second backlight area,Include multiple light shielding parts above second backlight described in first backlight,The multiple light shielding part is arranged to corresponding with first backlight and second backlight,First vector and the boundary line of the Second support are black light-absorbing material,Avoid and bright line occur in split screen display available light guide plate boundary line,And between each region backlight independently of each other,It does not interfere with each other,Solves brightness irregularities phenomenon caused by LED backlight,More comfortable pleasant operating experience is brought to user.
Description
Technical field
The present invention relates to kind of partition type backlight module and its a display device, can customize selection screen display mode, increase
Information saturation, to user more comfortable pleasant operating experience is brought, it is simple and quick.
Background technology
Backlight module is one of vital part in current two-d display panel.Because display panel does not light in itself, because
The function of this backlight module is the backlight for providing the brightness of abundance and being evenly distributed, so that display panel can normally show
Show image.The backlight of two kinds of common types is direct-insert backlight and side-edge type backlight, the backlight of both types
Difference is that light source is different relative to the position of the output face of backlight, and output face herein defines the visible area of display device
Domain.With the mobile device such as popularization of smart mobile phone, virtual reality technology in daily life, small-medium size product, it is particularly
The portable information product such as intelligent terminal has obtained significant progress, constantly pursues high-resolution, high-contrast and ultra-thin
While display screen, user more payes attention to use comfort, simple operation and the hommization degree of mobile device；Multi-section display is
As the selection of more users, the multi-section display of existing various consumer electronics is mostly used for large-scale LCD Panel, for moving
The portable information products such as dynamic intelligent terminal realize split screen display available effect, and light leak is reduced while subregion lights luminous zone and is kept away
Exempt to allow audience to discover the gap between light guide plate, actually one of important topic of current backlight module.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of partition type backlight module and its display device, existing to overcome
The defects of with the presence of mobile device single display screen, more comfortable pleasant operating experience is brought to user, can also utilize divide in addition
Screen display extends the endurance of mobile device.
In order to solve the above technical problems, technical scheme is as follows：A kind of partition type backlight module, the backlight mould
Group includes framework, is placed in parallel framework inner area is equal, separate first vector and Second support；Characterized in that, institute
State first vector and from bottom to top stack the first light guide plate, the first backlight and the first optical diaphragm group, the Second support successively
From bottom to top stack successively the second light guide plate and, the second backlight and the second optical diaphragm group, first light source it is at least one
It is arranged in above on one or two side of the first vector light inputting end or opposite flank, the secondary light source is at least one
Be arranged in above on one or two side of the Second support light inputting end or opposite flank, first vector and Second support from
The light that light source assembly projects, form the first backlight area and the second backlight area.
Further, the display pattern of first backlight and second backlight comprises at least：First back of the body
Light region is extinguished and second backlight area is lighted, and second backlight area is lighted and first light source extinguishes, described
First backlight area and second backlight area, which are lighted or extinguished simultaneously, to be lighted.
Further, multiple light shielding parts, the multiple shading are included above the second backlight described in first backlight
Portion is arranged to corresponding with first backlight and second backlight.
Further, the first vector and the boundary line of the Second support are black light-absorbing material.
Further, in addition to the reflectance coating between the first vector, Second support and framework.
Further, the boundary line between the first vector and the carrier is smaller than or equal to 150 micron.
Further, in addition to a kind of display device for including above-mentioned backlight module, it is characterised in that described aobvious
Showing device includes：
Just like the partition type backlight module described in any of the above-described, 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 first viewing area, the second viewing area according to signal respectively
Initialization, startup and closing.
The present invention can reach following beneficial effect by using above-mentioned technical proposal：
Suitable for all kinds of mobile devices, split screen display available can be utilized to bring the man-machine interaction experience of more comfortable hommization, behaviour to user
Make simple and fast, while this two light guide plate different periods are staggeredly performed by backlight module, and split screen display available can be utilized to extend and moved
The endurance of dynamic equipment, effectively save power supply improve the service life of backlight module part, while can change backlight subarea phase
Crosstalk is improved to the uniformity and bright line, increases display quality.
Brief description of the drawings
Fig. 1 is the exploded view 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 partition type backlight module, the backlight module include framework 10, are placed in parallel in frame
Area equation in body 10, separate first vector 30 and Second support 40；Characterized in that, the first vector
30 from bottom to top stack the first light guide plate 31, the first backlight 32 and the first optical diaphragm group 33, the Second support 40 successively
The second light guide plate 41, the second backlight 42 and the second optical diaphragm group 43, first vector 30 and second are from bottom to top stacked successively
The light that carrier 40 projects from light inputting end, form the first backlight area 50 and the second backlight area 60.
First vector 30 and the boundary line 80 of Second support 40 are black light-absorbing material, and boundary line 80 is smaller than or is equal to
150 microns, while set black light-absorbing material to prevent the production of bright line between the first backlight area 50 and the second backlight area 60
It is raw.
The LED component that first backlight 32 and second backlight 42 are respectively provided with can be independently controlled, the first backlight
The display pattern of source 32 and second backlight 42 comprises at least：First backlight area 50 is extinguished and 60 points of the second backlight area
Bright, the second backlight area 60 is lighted and the first backlight area 50 is extinguished, and the first backlight area 50 and the second backlight area 60 are simultaneously
Light or extinguish and light, realize the display effect of the subregion of light guide plate.
Multiple light shielding parts 70 above the first optical diaphragm group 33, the second optical diaphragm group 43 are arranged to and first back of the body
The backlight 42 of light source 32 and second is corresponding, and the optical diaphragm group is made using the step of being integrally formed part, comprising above adding lustre to
Film, lower bright enhancement film and diffusion barrier.
The framework 10 that the backlight module of the present invention uses is glue frame or glue iron integrative-structure, the light guide plate of framework 10 and first
31st, the second light guide plate 41 and reflectance coating 80 are integrally formed part assembled formation, and its number of assembling steps is：First assemble reflector plate 80 to
In framework 10, the second light guide plate 41 and the second backlight 42 of side are assembled, assembles the first light guide plate 31 and the first backlight 32,
Finally optical diaphragm group of the assembling above light guide plate.
According to the second embodiment of the present invention, there is provided a kind of display device, it includes a display panel, is arranged at institute
State above backlight module, a main control module be used to receiving control signal and can respectively according to the first backlight area of signal control,
Initialization, startup and the closing of second backlight area.For the display, including liquid crystal display and backlight module, backlight mould
Component zone is arranged in the side of display panel, and the side includes upper and lower sides or left and right sides, and the bottom arrangement of display panel is guide-lighting
Plate,
Backlight module provided by the invention brings the man-machine interaction experience of more comfortable hommization using split screen display available to user, operation
Simple and fast, while compared with prior art, staggeredly or simultaneously performed, can avoided by self-defined between two carriers of backlight module
Occurs bright line under partitioning scenario between viewing area non-uniform light and light guide plate, while main control module is used to receive control letter
Number and can be prolonged respectively according to signal subregion, control backlight module first backlight area, the second backlight area using split screen display available
The endurance of long mobile device, 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 (7)
1. a kind of partition type backlight module, the backlight module includes framework, to be placed in parallel framework inner area equal, separate
First vector and Second support；Characterized in that, the first vector from bottom to top stacks the first light guide plate, first back of the body successively
Light source and the first optical diaphragm group, the Second support from bottom to top stack successively the second light guide plate and, the second backlight and
Two optical diaphragm groups, first light source at least more than one be arranged in one of the first vector light inputting end or opposite flank
Or on two sides, the secondary light source at least more than one be arranged in one of the Second support light inputting end or opposite flank
Or on two sides, light that first vector and Second support project from light source assembly forms the first backlight area and second back of the body
Light region.
A kind of 2. partition type backlight module stated according to claim 1 office, it is characterised in that first backlight and described
The display pattern of second backlight comprises at least：First backlight area is extinguished and second backlight area is lighted, described
Second backlight area is lighted and first light source extinguishes, and first backlight area and second backlight area are lighted simultaneously
Or extinguish and light.
3. display device according to claim 2, the second backlight top includes multiple screenings described in first backlight
Light portion, the multiple light shielding part are arranged to corresponding with first backlight and second backlight.
4. a kind of partition type backlight module according to claim 1, the first vector and the border of the Second support
Line is black light-absorbing material.
5. a kind of partition type backlight module according to claim 1, in addition to positioned at the first vector, Second support and
Reflectance coating between framework.
6. a kind of partition type backlight module according to claim 1, it is characterised in that the first vector and the carrier
Between boundary line be smaller than or equal to 150 microns.
7. a kind of display device, it is characterised in that the display device includes：
Just like the partition type backlight module any one of claim 1 to 6, and
One display panel, it is arranged above the partition type backlight module；
One main control module is used to receive control signal and can control the first viewing area, the second viewing area according to signal respectively
Initialization, startup and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167926.5A CN107526211A (en) | 2016-12-16 | 2016-12-16 | A kind of partition type backlight module and its display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167926.5A CN107526211A (en) | 2016-12-16 | 2016-12-16 | A kind of partition type backlight module and its display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107526211A true CN107526211A (en) | 2017-12-29 |
Family
ID=60748514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167926.5A Pending CN107526211A (en) | 2016-12-16 | 2016-12-16 | A kind of partition type backlight module and its display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107526211A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572481A (en) * | 2018-03-08 | 2018-09-25 | 厦门天马微电子有限公司 | Backlight module and display device |
| US11182006B1 (en) | 2020-08-24 | 2021-11-23 | Chicony Power Technology Co., Ltd. | Illuminated touch panel and backlight assembly thereof |
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| TW201124772A (en) * | 2010-01-11 | 2011-07-16 | Innolux Display Corp | Backlight module and liquid crystal display device using same |
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| 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 |
| CN204719372U (en) * | 2015-06-16 | 2015-10-21 | 创维液晶器件(深圳)有限公司 | A kind of side entrance back module and adopt the mobile terminal of this backlight module |
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Patent Citations (9)
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| CN1896836A (en) * | 2005-07-13 | 2007-01-17 | 三星电子株式会社 | Backlight assembly, display device having the same, display substrate for the same and method of manufacturing the same |
| CN101556401A (en) * | 2008-04-09 | 2009-10-14 | 群康科技(深圳)有限公司 | Liquid crystal display device |
| TW201124772A (en) * | 2010-01-11 | 2011-07-16 | Innolux Display Corp | Backlight module and liquid crystal display device using same |
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| CN102691944A (en) * | 2012-06-06 | 2012-09-26 | 天津三星电子有限公司 | Light emitting diode (LED) edge-lighting backlight module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572481A (en) * | 2018-03-08 | 2018-09-25 | 厦门天马微电子有限公司 | Backlight module and display device |
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| US11182006B1 (en) | 2020-08-24 | 2021-11-23 | Chicony Power Technology Co., Ltd. | Illuminated touch panel and backlight assembly thereof |
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