CN106249344A - Display device, backlight module and light guide plate thereof - Google Patents
Display device, backlight module and light guide plate thereof Download PDFInfo
- Publication number
- CN106249344A CN106249344A CN201610914582.3A CN201610914582A CN106249344A CN 106249344 A CN106249344 A CN 106249344A CN 201610914582 A CN201610914582 A CN 201610914582A CN 106249344 A CN106249344 A CN 106249344A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- installation portion
- backlight module
- side installation
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
Abstract
The present invention provides a kind of display device, backlight module and light guide plate thereof, and wherein this backlight module includes backboard, reflector plate, light guide plate, LED and blooming piece, and the inner surface of backboard is located at by reflector plate；Light guide plate is located in backboard and is positioned on reflector plate, and the incident side of light guide plate is provided with LED installing hole；LED is located in LED installing hole；Blooming piece is located on light guide plate.Display device, backlight module and the light guide plate thereof that the present invention provides makes LED install without glue frame auxiliary, optimizes the structure of backlight module, reduces production cost.
Description
Technical field
The present invention relates to liquid crystal display manufacturing technology field, particularly to a kind of display device, backlight module and lead
Tabula rasa.
Background technology
At present, liquid crystal indicator has been widely used in various electronic product as the display unit of electronic equipment
In, backlight module is then a vitals in liquid crystal indicator.
Refer to the cross section structure schematic diagram that Fig. 1, Fig. 1 are a kind of backlight modules in prior art.
As it is shown in figure 1, this backlight module includes: glue frame 110, reflector plate 120, light guide plate 130, optical diaphragm group 140,
LED 150, wherein the exiting surface of LED 150 is towards the incidence surface of light guide plate 130.
In this backlight module, glue frame 110 takes up room relatively big, is unfavorable for the narrow frame design of product.
Summary of the invention
The present invention provides a kind of display device, backlight module and light guide plate thereof, takies sky solving glue frame in prior art
Between relatively big, be unfavorable for the technical problem of the narrow frame design of product.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of light guide plate, described leaded light
The incident side of plate is provided with LED installing hole, and described LED installing hole is used for receiving LED and installs.
According to one preferred embodiment of the present invention, described light guide plate includes main optical portion and is located at side, described main optical portion
The side installation portion on limit, described installing hole is opened on the thickness direction of described side installation portion.
According to one preferred embodiment of the present invention, the thickness of described side installation portion is more than the thickness in described main optical portion,
Described side installation portion and described main optical portion chamfered transition.
According to one preferred embodiment of the present invention, described light guide plate uses same material integrated injection molding.
According to one preferred embodiment of the present invention, the injection mo(u)lding at twice of described light guide plate, wherein said side installation portion is adopted
With white or black PC injection.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide a kind of backlight module, described
Backlight module includes:
Backboard；
Reflector plate, is located at the inner surface of described backboard；
Light guide plate, is located in described backboard and is positioned on described reflector plate, and the incident side of described light guide plate is provided with LED and installs
Hole；
LED, is located in described LED installing hole；
Blooming piece, is located on described light guide plate.
According to one preferred embodiment of the present invention, the thickness of described side installation portion is more than the thickness in described main optical portion,
Described side installation portion and described main optical portion chamfered transition, described blooming piece is arranged in described main optical portion, institute
State the thickness of blooming piece and the described main optical portion sum thickness equal to described side installation portion.
According to one preferred embodiment of the present invention, described light guide plate use same material integrated injection molding, or described in lead
Tabula rasa injection mo(u)lding at twice, wherein said side installation portion uses white or black PC injection.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide a kind of display device, described
Display device includes display panels and above-mentioned backlight module.
The invention has the beneficial effects as follows: the situation of prior art, the display device of present invention offer, backlight module are provided
And light guide plate obtains LED and installs without glue frame auxiliary, optimize the structure of backlight module, reduce production cost.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is the cross section structure schematic diagram of a kind of backlight module in prior art；
Fig. 2 is the perspective view of the light guide plate that the present invention provides；
Fig. 3 is the backlight module cross section structure schematic diagram that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to the perspective view that Fig. 2, Fig. 2 are the light guide plates that the present invention provides.
As in figure 2 it is shown, the present invention provides a kind of light guide plate 230, the incident side of this light guide plate 230 is provided with LED installing hole
231, LED installing holes 231 are used for receiving LED 250 and install.
Specifically, the generally rectangular shaped shape of light guide plate 230, including main optical portion 232 be located at side, main optical portion 232
The side installation portion 234 on limit, installing hole 231 is opened on the thickness direction of side installation portion 234.
In embodiments of the present invention, the thickness of side installation portion 234 is installed more than the thickness in main optical portion 232, side
Portion 234 and main optical portion 232 are by inclined-plane 236 transition.
In one embodiment, light guide plate 230 can use same material integrated injection molding, and the method production efficiency is relatively
High.
In another kind of embodiment, light guide plate 230 injection mo(u)lding at twice, wherein side installation portion 234 use white or
Black PC is molded, and to increase light utilization or to absorb unnecessary light and prevent light leak, the method optical effect is more preferable.
Seeing also Fig. 3, Fig. 3 is the backlight module cross section structure schematic diagram that the present invention provides.
As it is shown on figure 3, the backlight module that the present invention provides includes backboard 210, reflector plate 220, light guide plate 230, LED 240
And blooming piece 250.
Wherein, backboard 210 includes base plate and is vertically connected at the side plate of bottom edge, the size of reflector plate 220 and base plate
Size roughly equal, the inner surface of backboard 210 is located at by reflector plate 220；The size of light guide plate 230 and the size of base plate substantially phase
In being located at backboard 210 Deng, light guide plate 230 and be positioned on reflector plate 220, the incident side of light guide plate 230 is provided with LED installing hole 231；
LED 240 is located in LED installing hole 231；Blooming piece 250 is located on light guide plate 230
Wherein, light guide plate 230 includes main optical portion 232 and is located at the side installation portion of main optical portion 232 side
234, installing hole 231 is opened on the thickness direction of side installation portion 234.
Wherein, the thickness of side installation portion 234 is more than the thickness in main optical portion 232, side installation portion 234 and main body light
The department of the Chinese Academy of Sciences 232 chamfered transition, blooming piece 250 is arranged in main optical portion 232, the thickness of blooming piece 250 and main optical
Portion 232 sum is equal to the thickness of side installation portion 234, and in the present embodiment, blooming piece 250 is three layers.
In a particular embodiment, light guide plate 230 can use same material integrated injection molding, or light guide plate 230 point two
Secondary injection mo(u)lding, wherein side installation portion 234 uses white or black PC injection, the material in main optical portion 232 and existing skill
Art is identical, does not repeats.
Additionally, the present invention also provides for a kind of display device, this display device includes display panels and above-mentioned backlight
Module.
In sum, it should be readily apparent to one skilled in the art that display device, backlight module and leaded light thereof that the present invention provides
Plate makes LED install without glue frame auxiliary, optimizes the structure of backlight module, reduces production cost.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a light guide plate, it is characterised in that the incident side of described light guide plate is provided with LED installing hole, described LED installing hole is used for
Receive LED to install.
Light guide plate the most according to claim 1, it is characterised in that described light guide plate includes main optical portion and is located at described
The side installation portion of main optical portion side, described installing hole is opened on the thickness direction of described side installation portion.
Light guide plate the most according to claim 2, it is characterised in that the thickness of described side installation portion is more than described main body light
The thickness of the department of the Chinese Academy of Sciences, described side installation portion and described main optical portion chamfered transition.
Light guide plate the most according to claim 3, it is characterised in that described light guide plate uses same material integrated injection molding to become
Type.
Light guide plate the most according to claim 3, it is characterised in that described light guide plate injection mo(u)lding at twice, wherein said
Side installation portion uses white or black PC injection.
6. a backlight module, it is characterised in that described backlight module includes:
Backboard；
Reflector plate, is located at the inner surface of described backboard；
Light guide plate, is located in described backboard and is positioned on described reflector plate, and the incident side of described light guide plate is provided with LED installing hole；
LED, is located in described LED installing hole；
Blooming piece, is located on described light guide plate.
Backlight module the most according to claim 6, it is characterised in that described light guide plate includes main optical portion and is located at described
The side installation portion of main optical portion side, described installing hole is opened on the thickness direction of described side installation portion.
Backlight module the most according to claim 7, it is characterised in that the thickness of described side installation portion is more than described main body
The thickness of optic, described side installation portion and described main optical portion chamfered transition, described blooming piece is arranged on described master
On optic, the thickness of described blooming piece is equal to the thickness of described side installation portion with described main optical portion sum.
Backlight module the most according to claim 8, it is characterised in that described light guide plate uses same material integrated injection molding to become
Type, or the injection mo(u)lding at twice of described light guide plate, wherein said side installation portion uses white or black PC injection.
10. a display device, it is characterised in that described display device includes appointing in display panels and claim 6 to 9
One described backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914582.3A CN106249344A (en) | 2016-10-20 | 2016-10-20 | Display device, backlight module and light guide plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914582.3A CN106249344A (en) | 2016-10-20 | 2016-10-20 | Display device, backlight module and light guide plate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106249344A true CN106249344A (en) | 2016-12-21 |
Family
ID=57600482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914582.3A Pending CN106249344A (en) | 2016-10-20 | 2016-10-20 | Display device, backlight module and light guide plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106249344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803144A (en) * | 2018-06-29 | 2018-11-13 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
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| CN101571264A (en) * | 2008-04-30 | 2009-11-04 | 上海广电Nec液晶显示器有限公司 | LED backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108803144A (en) * | 2018-06-29 | 2018-11-13 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN108803144B (en) * | 2018-06-29 | 2021-03-02 | 厦门天马微电子有限公司 | Backlight module and display device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |