CN106226953A - A kind of eye protection backlight module - Google Patents
A kind of eye protection backlight module Download PDFInfo
- Publication number
- CN106226953A CN106226953A CN201610755927.5A CN201610755927A CN106226953A CN 106226953 A CN106226953 A CN 106226953A CN 201610755927 A CN201610755927 A CN 201610755927A CN 106226953 A CN106226953 A CN 106226953A
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- China
- Prior art keywords
- backlight module
- light
- diffusion sheet
- eye protection
- eye
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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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of eye protection backlight module, described eye protector is connected by backlight module and liquid crystal panel are fixing, described eye protector includes shell, the inside of described shell is provided with electric ballast, the lower section of described electric ballast is sequentially provided with optical branching device and PLC, described backlight module includes module frame, the side of described module frame is provided with loophole, the inside of described module frame is provided with diffusion sheet, described upper diffusion sheet is connected by upper light-collecting piece and lower light-collecting piece are fixing, described lower light-collecting piece is connected by lower diffusion sheet and light guide plate are fixing, described lower diffusion sheet, the two ends of light guide plate are equipped with cathode fluorescent tube.This invention design science rationally, simple in construction, be possible not only to improve the brightness of backlight module, and make its luminescence more uniform, light is soft, it is possible to reduce visual fatigue, plays good eye protection effect, and practicality is relatively strong, is worth promoting.
Description
Technical field
The invention belongs to back light model setting technology field, be specifically related to a kind of eye protection backlight module.
Background technology
Along with the development of lcd technology, the application of liquid crystal display particularly colour liquid crystal display device is also
Constantly widening.Being pulled by the market of liquid crystal display, backlight industry, have an air of prosperity scene.LCD is non-luminescent
Display device, need can be only achieved the function of display by backlight.The quality of backlight performance shows except directly affecting LCD
Outside picture element amount, the cost of backlight accounts for the 30-50% of LCD module, and the electric power consumed more accounts for the 75% of module, can say it is LCD mould
Considerable spare part in block.Fine, large-sized LCD, it is necessary to have high performance backlight technology matched, therefore,
While LCD industry makes great efforts developing new opplication field, the high performance of backlight technology is (such as high brightness, cost degradation, low consumption
Electrochemical, lightening etc.) also play the role of person who has rendered outstanding service behind the scenes.
In recent years, along with developing rapidly of China's household electric appliances, as smart mobile phone, large screen television and computer etc. are led
Territory, gradually steps into common people family, but, backlight module is widely used in the necks such as smart mobile phone, large screen television and computer
Territory, along with the continuous increase of people's operating pressure, the use of eye for above-mentioned electronic product is also progressively to rise, thus, can be right
The eyes of people cause injury in various degree, and therefore, we invent a kind of eye protection backlight module, are of practical significance very much.
Summary of the invention
It is an object of the invention to provide a kind of eye protection backlight module, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of eye protection backlight module, including eye protector,
Module frame and shell, described eye protector is connected by backlight module and liquid crystal panel are fixing, and described eye protector includes shell,
The inside of described shell is provided with electric ballast, and the lower section of described electric ballast is sequentially provided with optical branching device and PLC,
Described backlight module includes that module frame, the side of described module frame are provided with loophole, and the inside of described module frame is provided with diffusion
Sheet, described upper diffusion sheet is connected by upper light-collecting piece and lower light-collecting piece are fixing, and described lower light-collecting piece is by lower diffusion sheet and leaded light
Plate is fixing to be connected, and the two ends of described lower diffusion sheet and light guide plate are equipped with cathode fluorescent tube, described cathode fluorescent tube
Outside be provided with lamp reflector, the lower section of described light guide plate is provided with reflector plate, described cathode fluorescent tube and electric ballast
All it is electrically connected with PLC.
Preferably, described loophole is provided in round, and loophole is at least provided with 5 groups.
Described loophole inwall is coated with reflection enhancement coating, and described reflection enhancement coating is by zinc chloride, acrylic acid, sulfonation
Oleum Ricini, zircon sand, white fused alumina, water form according to the part by weight of 1-2:1.2-1.6:1-2:0.3-0.5:0.3-0.5:5-10
Mixture be spread evenly across loophole inwall and be dried and form.
As further preferably, described reflection enhancement coating is by zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, Bai Gang
Beautiful, water is spread evenly across loophole inwall according to the mixture that the part by weight of 1.5:1.4:1.5:0.4:0.4:8 forms and is dried
Form.
The present invention, by the reflection enhancement coating at loophole inwall coating special formulation, is obviously enhanced the printing opacity of loophole
Property, it is effectively improved the utilization rate of light.
Preferably, described upper diffusion sheet and lower diffusion sheet are symmetric in the inside of module frame.
Preferably, described lower light-collecting piece and upper light-collecting piece are symmetric in the inside of module frame.
Preferably, described eye protector is flexibly connected with backlight module.
Preferably, described lamp reflector is shaped to semicircle.
The technique effect of the present invention and advantage: this eye protection backlight module, be respectively provided with diffusion sheet and lower diffusion sheet is permissible
The brightness making backlight module is more uniform, arranges lower light-collecting piece and upper light-collecting piece can play certain optically focused effect, cold cathode
Fluorescent tube can send the light of multiple color, and cathode fluorescent tube and electric ballast are all electrical with PLC
Connecting, electricity frequency can be improved by electric ballast, and then makes light soft, it is possible to reduce visual fatigue, plays and well protects
Eye effect, in the light reflection that lamp reflector can send cathode fluorescent tube to light guide plate, improves the utilization rate of light,
It addition, light guide plate can make light source ratio more uniform, this invention design science rationally, simple in construction, be possible not only to improve backlight mould
The brightness of group, and make its luminescence more uniform, light is soft, it is possible to reduce visual fatigue, plays good eye protection effect, real
Relatively strong by property, it is worth promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the backlight unit structural representation of the present invention；
Fig. 3 is the eye protector schematic diagram of the present invention.
In figure: 1 eye protector, 2 backlight modules, 3 liquid crystal panels, 4 module frames, 5 reflector plates, 6 cathode fluorescent tubes, 7
Lamp reflector, 8 times light-collecting pieces, diffusion sheet on 9,10 loopholes, light-collecting piece on 11,12 times diffusion sheets, 13 light guide plates, 14 shells,
15 optical branching devices, 16 PLC, 17 electric ballasts.
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.
Embodiment 1
Present embodiments provide a kind of eye protection backlight module as Figure 1-3, including eye protector 1, module frame 4 and shell
14, described eye protector 1 is connected by backlight module 2 is fixing with liquid crystal panel 3, and described eye protector 1 includes shell 14, described
The inside of shell 14 is provided with electric ballast 17, and the lower section of described electric ballast 17 is sequentially provided with optical branching device 15 and PLC control
Device 16 processed, described backlight module 2 includes that module frame 4, the side of described module frame 4 are provided with loophole 10, described module frame 4 interior
Portion is provided with diffusion sheet 9, and described upper diffusion sheet 9 is connected by upper light-collecting piece 11 is fixing with lower light-collecting piece 8, described lower light-collecting piece 8
Being connected by lower diffusion sheet 12 is fixing with light guide plate 13, it is glimmering that the two ends of described lower diffusion sheet 12 and light guide plate 13 are equipped with cold cathode
Light lamp tube 6, the outside of described cathode fluorescent tube 6 is provided with lamp reflector 7, and the lower section of described light guide plate 13 is provided with reflector plate 5,
Described cathode fluorescent tube 6 and electric ballast 17 are all electrically connected with PLC 16.
Further, described loophole 10 is provided in round, and loophole 10 is at least provided with 5 groups, described loophole inwall
Be coated with reflection enhancement coating, described reflection enhancement coating by zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina,
The mixture that water forms according to the part by weight of 1-2:1.2-1.6:1-2:0.3-0.5:0.3-0.5:5-10 is spread evenly across
Unthreaded hole inwall is dried and forms.
As further preferably, described reflection enhancement coating is by zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, Bai Gang
Beautiful, water is spread evenly across loophole inwall according to the mixture that the part by weight of 1.5:1.4:1.5:0.4:0.4:8 forms and is dried
Form.Specifically, in the present embodiment, reflection enhancement coating by zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina,
Water is spread evenly across loophole inwall according to the mixture that the part by weight of 1.5g:1.4g:1.5g:0.4g:0.4g:8g forms and does
Dry form.By the reflection enhancement coating at loophole inwall coating special formulation, it is obviously enhanced the light transmission of loophole, effectively
Ground improves the utilization rate of light.
Further, described upper diffusion sheet 9 and lower diffusion sheet 12 are symmetric in the inside of module frame 4.
Further, described lower light-collecting piece 8 and upper light-collecting piece 11 are symmetric in the inside of module frame 4.
Further, described eye protector 1 is flexibly connected with backlight module 2.
Further, described lamp reflector 7 is shaped to semicircle.
This eye protection backlight module, is respectively provided with diffusion sheet 9 and lower diffusion sheet 12 can make the brightness of backlight module 2 more
Uniformly, arranging lower light-collecting piece 8 and upper light-collecting piece 11 can play certain optically focused effect, cathode fluorescent tube 6 can send
The light of multiple color, and cathode fluorescent tube 6 and electric ballast 17 are all electrically connected with PLC 16, electronics town
Electricity frequency can be improved by stream device 17, and then makes light soft, it is possible to reduce visual fatigue, plays good eye protection effect, lamp
The light reflection that cathode fluorescent tube 6 can be sent by reflector 7, in light guide plate 13, improves the utilization rate of light, it addition,
Light guide plate 13 can make light source ratio more uniform, this invention design science rationally, simple in construction, be possible not only to improve backlight module
Brightness, and make its luminescence more uniform, light is soft, it is possible to reduce visual fatigue, plays good eye protection effect, practicality
Relatively strong, it is worth promoting.
Embodiment 2
A kind of eye protection back light module unit structure of the present embodiment is same as in Example 1 with operation principle, and difference is, reflection increases
Strong coating by zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina, water according to the weight of 2:1.6:2:0.5:0.5:10
The mixture of ratio composition is spread evenly across loophole inwall and is dried and forms.Specifically, in the present embodiment, reflection enhancement coating by
Zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina, water are according to the weight ratio of 2g:1.6g:2g:0.5g:0.5g:10g
The mixture of example composition is spread evenly across loophole inwall and is dried and forms.By the reflection at loophole inwall coating special formulation
Strengthen coating, be obviously enhanced the light transmission of loophole, be effectively improved the utilization rate of light.
Embodiment 3
A kind of eye protection back light module unit structure of the present embodiment is identical with embodiment 1,2 with operation principle, and difference is, reflection
Strengthen coating by zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina, water according to the weight of 1:1.2:1:0.3:0.3:5
The mixture of amount ratio composition is spread evenly across loophole inwall and is dried and forms.Specifically, in the present embodiment, reflection enhancement coating
By zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina, water according to the weight of 1g:1.2g:1g:0.3g:0.3g:5g
The mixture of ratio composition is spread evenly across loophole inwall and is dried and forms.By being coated with the anti-of special formulation at loophole inwall
Penetrate enhancing coating, be obviously enhanced the light transmission of loophole, be effectively improved the utilization rate of light.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (7)
1. an eye protection backlight module, including eye protector (1), module frame (4) and shell (14), it is characterised in that protect described in:
Eye device (1) is connected by backlight module (2) and liquid crystal panel (3) are fixing, and described eye protector (1) includes shell (14), institute
The inside stating shell (14) is provided with electric ballast (17), and the lower section of described electric ballast (17) is sequentially provided with optical branching device
(15) and PLC (16), described backlight module (2) includes that module frame (4), the side of described module frame (4) are provided with printing opacity
Hole (10), the inside of described module frame (4) is provided with diffusion sheet (9), described upper diffusion sheet (9) by upper light-collecting piece (11) with under
Light-collecting piece (8) is fixing to be connected, and described lower light-collecting piece (8) is fixed with light guide plate (13) by lower diffusion sheet (12) and is connected, described under
The two ends of diffusion sheet (12) and light guide plate (13) are equipped with cathode fluorescent tube (6), outside described cathode fluorescent tube (6)
Side is provided with lamp reflector (7), and the lower section of described light guide plate (13) is provided with reflector plate (5), described cathode fluorescent tube (6) and electricity
Sub-ballast (17) is all electrically connected with PLC (16).
A kind of eye protection backlight module the most according to claim 1, it is characterised in that: described loophole (10) is set to circle
Shape, and loophole (10) is at least provided with 5 groups, described loophole inwall is coated with reflection enhancement coating, described reflection enhancement coating
By zinc chloride, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina, water according to 1-2:1.2-1.6:1-2:0.3-0.5:0.3-
The mixture of the part by weight composition of 0.5:5-10 is spread evenly across loophole inwall and is dried and forms.
A kind of eye protection backlight module the most according to claim 2, it is characterised in that: described reflection enhancement coating is by chlorination
Zinc, acrylic acid, sulfonated castor oil, zircon sand, white fused alumina, water form according to the part by weight of 1.5:1.4:1.5:0.4:0.4:8
Mixture be spread evenly across loophole inwall and be dried and form.
A kind of eye protection backlight module the most according to claim 3, it is characterised in that: described upper diffusion sheet (9) and lower diffusion
Sheet (12) is symmetric in the inside of module frame (4).
A kind of eye protection backlight module the most according to claim 4, it is characterised in that: described lower light-collecting piece (8) and upper light harvesting
Sheet (11) is symmetric in the inside of module frame (4).
A kind of eye protection backlight module the most according to claim 5, it is characterised in that: described eye protector (1) and backlight mould
Group (2) is flexibly connected.
A kind of eye protection backlight module the most according to claim 6, it is characterised in that: the shape of described lamp reflector (7) sets
It is set to semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755927.5A CN106226953A (en) | 2016-08-30 | 2016-08-30 | A kind of eye protection backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755927.5A CN106226953A (en) | 2016-08-30 | 2016-08-30 | A kind of eye protection backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106226953A true CN106226953A (en) | 2016-12-14 |
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ID=58073010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610755927.5A Pending CN106226953A (en) | 2016-08-30 | 2016-08-30 | A kind of eye protection backlight module |
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| Country | Link |
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| CN (1) | CN106226953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957850A (en) * | 2018-07-03 | 2018-12-07 | 浙江锦浩光电材料有限公司 | A kind of reflectance coating and backlight module preventing display two sides brightness disproportionation |
-
2016
- 2016-08-30 CN CN201610755927.5A patent/CN106226953A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957850A (en) * | 2018-07-03 | 2018-12-07 | 浙江锦浩光电材料有限公司 | A kind of reflectance coating and backlight module preventing display two sides brightness disproportionation |
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Application publication date: 20161214 |