CN106678613A - Light filter film for filtering blue light and backlight module - Google Patents

Light filter film for filtering blue light and backlight module Download PDF

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Publication number
CN106678613A
CN106678613A CN201611010452.3A CN201611010452A CN106678613A CN 106678613 A CN106678613 A CN 106678613A CN 201611010452 A CN201611010452 A CN 201611010452A CN 106678613 A CN106678613 A CN 106678613A
Authority
CN
China
Prior art keywords
layer
filter
plate
backlight module
framework
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
Application number
CN201611010452.3A
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Chinese (zh)
Inventor
陶宏
董彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jie Chi Tiancheng Technology Co Ltd
Original Assignee
Shenzhen Jie Chi Tiancheng Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Jie Chi Tiancheng Technology Co Ltd filed Critical Shenzhen Jie Chi Tiancheng Technology Co Ltd
Priority to CN201611010452.3A priority Critical patent/CN106678613A/en
Publication of CN106678613A publication Critical patent/CN106678613A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters

Abstract

The invention discloses a light filter film for filtering blue light. The light filter film is characterized by comprising a diffusion layer, an isolating layer and a filter layer, wherein the diffusion layer and the filter layer are separately arranged on two planes of the isolating layer. A backlight module uses the light filter film for filtering blue light as well as a framework, an LED lamp, a diffusion plate, a light guide plate, a reflecting plate, a foam layer and a backboard; the LED lamp is arranged at the periphery of the inner wall of the framework; the diffusion plate, the light filter film, the light guide plate, the reflecting plate, the foam layer and the backboard are sequentially mounted in the framework from bottom to top; the framework comprises a front frame and a pressure strip; and the front frame is connected with the pressure strip in a quickly detachable mode. The light filter film for absorbing blue-light fluorescent powder is arranged to reduce blue light emitted by the backlight module, so that harm, on eyes, of high-energy short wave blue light of the backlight module is eliminated.

Description

The filter coating and backlight module of a kind of filter blue light
Technical field
The invention belongs to filter blue light art field, it is related to the filter coating and backlight module of a kind of filter blue light.
Background technology
With becoming increasingly popular for various electronic display units, the mankind enter brand-new " a screen epoch ".However, we The various electronic products such as mobile phone, TV, the notebook computer of everyday exposure while being offered convenience for us, also let us Eyes be virtually subject to the injury of a large amount of high energy shortwave blue lights.
In recent years, increasing research display, high energy shortwave blue light can be damaged to human eye, cause retina to damage Wound, particularly causes macular diseases.High energy shortwave blue light refers to blue light of the wavelength between 410~470nm.Wherein, wavelength Maximum is endangered to human eye in the light of 435~440nm wave bands, is successively decreased to both sides.If we can routine work, life in, This partial spectrum is masked using various methods, then can just eliminate the phototoxicity of blue light, reduce due to caused by blue light injury The occurrence probability of ARM.
The content of the invention
Deficiency it is an object of the invention to be directed to existing backlight module, there is provided one kind can effectively reduce blue light to eyes Injury backlight module.
To achieve these goals, present invention employs following technical scheme:
A kind of filter coating of filter blue light, wherein:Described filter coating include diffusion layer, separation layer and filter layer, diffusion layer and Filter layer is respectively provided in two planes of separation layer.
Further, the thickness of described filter is 205-225 μm, and the thickness of described separation layer is 135-150 μ M, the thickness of diffusion layer is 48-50 μm, and the thickness of filter layer is 22-26 μm.
Further, described filter layer is provided with yellow fluorescence particle, and yellow fluorescence particle is uniformly divided by glue Being fixed on for cloth forms filter layer on the surface of separation layer.
Further, described diffusion layer is provided with red fluorescence powder and green emitting phosphor, and red fluorescence powder and green are glimmering Light powder forms diffusion layer by glue equally distributed being fixed in insulation surface.
Further, separation layer is clear sheet, and the material of the clear sheet is selected from makrolon (PC), gathers to benzene Naphthalate (PET), polyamide (PA), polystyrene (PS), polyethylene (PE), polymethyl methacrylate (PMMA) one kind in.
A kind of backlight module, wherein:Including above-described filter coating, and framework, LED, diffuser plate, light guide plate, Reflecting plate, foamed cotton layer and backboard, described LED are located at the surrounding of frame inner wall, diffuser plate, filter coating, light guide plate, reflection Plate, foamed cotton layer and backboard are arranged in framework from the bottom to top successively;Described framework includes front frame and press strip, and front frame is with press strip Quick Release form is connected.
Further, described LED is arranged on frame inner wall by buckle.
Further, described front frame is provided with the indent that the embedded bar downwardly convex with press strip coordinates.
Further, the end of described press strip by it is inclined within outer be inclined-plane so that be in after two press strip links Orthogonal structure.
Further, described press strip is provided with pressure strip parallel with plane on press strip and in hierarchic structure, uses In being pressed on backboard.
Further, described press strip is connected by connecting plate each other, and plate is used to connect and presses above connecting plate Plane on bar, plate presses plate for connection below connecting plate.
Beneficial effects of the present invention:
The present invention is provided with the filter coating that can absorb blue light fluorescent powder so as to reach reduction backlight module hair by one in increase The blue light for going out;It is located between diffuser plate and light guide plate by by filter coating, on the one hand can makes the light sent by backlight module Middle high energy shortwave blu-ray reflection returns backlight module, and the light of other wavelength is passed through, and drop is reached while display effect is not influenceed The effect of the intensity of high energy shortwave blue light in low backlight module so that do not exist high energy shortwave from the light that display panel is shot out Blue light, eliminates secondary injury of the high energy shortwave blue light in backlight module to human eye as far as possible.
Brief description of the drawings
Fig. 1 is the structure decomposition figure of backlight module;
Fig. 2 is the sectional view of the filter coating of filter blue light;
Fig. 3 is the structural representation of press strip;
Fig. 4 is the structural representation of connecting plate.
Identified in figure:1- frameworks, 2- LEDs, 3- diffuser plates, 4- filter coatings, 40- separation layers, 41- diffusion layers, 42- are red Color fluorescent material, 43- green emitting phosphors, 44- yellow fluorescences particle, 45- filter layers, 5- light guide plates, 6- reflecting plates, 7- foamed cotton layers, Plate, 10- press strips, 11- buckles, 101- press strips below plate, 91- connecting plates above 8- backboards, 9- connecting plates, 90- connecting plates Upper plane, 102- insertions bar, 103- pressure strips.
Specific embodiment
It is described in further detail to specific embodiment of the invention below.
Embodiment 1:
A kind of filter coating of filter blue light, described filter coating 4 includes diffusion layer 41, separation layer 40 and filter layer 45, diffusion layer 41 and filter layer 45 be respectively provided in two planes of separation layer.
Further, the thickness of described filter coating 4 is 215 μm, and the thickness of described separation layer 40 is 140 μm, is expanded The thickness for dissipating layer 41 is 49 μm, and the thickness of filter layer 45 is 26 μm.
Further, described filter layer 45 is provided with yellow fluorescence particle 44, and yellow fluorescence particle 44 passes through glue It is equally distributed to be fixed on formation filter layer 45 on the surface of separation layer 40.
Further, described diffusion layer 41 is provided with red fluorescence powder 42 and green emitting phosphor 43, red fluorescence powder 42 With green emitting phosphor 43 formation diffusion layer 41 on the surface of separation layer 40 is fixed on by the way that glue is equally distributed.
Further, separation layer 40 is clear sheet, and the material of the clear sheet is selected from makrolon (PC).
A kind of backlight module, wherein:Including above-described filter coating, and framework 1, LED 2, diffuser plate 3, leaded light Plate 5, reflecting plate 6, foamed cotton layer 7 and backboard 8, described LED 2 are located at the surrounding of the inwall of framework 1, diffuser plate 3, filter coating 4, lead Tabula rasa 5, reflecting plate 6, foamed cotton layer 7 and backboard 8 are arranged in framework 1 from the bottom to top successively;Described framework 1 includes front frame and pressure Bar 10, front frame is with press strip 10 for Quick Release form is connected.
Further, described LED 2 is arranged on the inwall of framework 1 by buckle.
Further, described front frame is provided with the indent that the embedded bar 102 downwardly convex with press strip 10 coordinates.
Further, the end of described press strip 10 by it is inclined within outer be inclined-plane so that two press strips 10 are connected It is in afterwards orthogonal structure.
Further, described press strip 10 is provided with compression parallel with plane on press strip 101 and in hierarchic structure Plate 103, for being pressed in backboard 8.
Further, described press strip is connected by connecting plate 9 each other, and plate 90 is used to connect above connecting plate Plane on press strip, plate 91 presses plate for connection below connecting plate.
Embodiment 2:
A kind of filter coating of filter blue light, described filter coating 4 includes diffusion layer 41, separation layer 40 and filter layer 45, diffusion layer 41 and filter layer 45 be respectively provided in two planes of separation layer.
Further, the thickness of described filter coating 4 is 225 μm, and the thickness of described separation layer 40 is 150 μm, The thickness of diffusion layer 41 is 50 μm, and the thickness of filter layer 45 is 25 μm.
Further, described filter layer 45 is provided with yellow fluorescence particle 44, and yellow fluorescence particle 44 passes through glue It is equally distributed to be fixed on formation filter layer 45 on the surface of separation layer 40.
Further, described diffusion layer 41 is provided with red fluorescence powder 42 and green emitting phosphor 43, red fluorescence powder 42 With green emitting phosphor 43 formation diffusion layer 41 on the surface of separation layer 40 is fixed on by the way that glue is equally distributed.
Further, separation layer 40 is clear sheet, and the material of the clear sheet is selected from polyethylene (PE).
A kind of backlight module, wherein:Including above-described filter coating, and framework 1, LED 2, diffuser plate 3, leaded light Plate 5, reflecting plate 6, foamed cotton layer 7 and backboard 8, described LED 2 are located at the surrounding of the inwall of framework 1, diffuser plate 3, filter coating 4, lead Tabula rasa 5, reflecting plate 6, foamed cotton layer 7 and backboard 8 are arranged in framework 1 from the bottom to top successively;Described framework 1 includes front frame and pressure Bar 10, front frame is with press strip 10 for Quick Release form is connected.
Further, described LED 2 is arranged on the inwall of framework 1 by buckle.
Further, described front frame is provided with the indent that the embedded bar 102 downwardly convex with press strip 10 coordinates.
Further, the end of described press strip 10 by it is inclined within outer be inclined-plane so that two press strips 10 are connected It is in afterwards orthogonal structure.
Further, described press strip 10 is provided with compression parallel with plane on press strip 101 and in hierarchic structure Plate 103, for being pressed in backboard 8.
Further, described press strip is connected by connecting plate 9 each other, and plate 90 is used to connect above connecting plate Plane on press strip, plate 91 presses plate for connection below connecting plate.
Embodiment 3:
A kind of filter coating of filter blue light, described filter coating 4 includes diffusion layer 41, separation layer 40 and filter layer 45, diffusion layer 41 and filter layer 45 be respectively provided in two planes of separation layer.
Further, the thickness of described filter coating 4 is 205 μm, and the thickness of described separation layer 40 is 135 μm, is expanded The thickness for dissipating layer 41 is 48 μm, and the thickness of filter layer 45 is 22 μm.
Further, described filter layer 45 is provided with yellow fluorescence particle 44, and yellow fluorescence particle 44 passes through glue It is equally distributed to be fixed on formation filter layer 45 on the surface of separation layer 40.
Further, described diffusion layer 41 is provided with red fluorescence powder 42 and green emitting phosphor 43, red fluorescence powder 42 With green emitting phosphor 43 formation diffusion layer 41 on the surface of separation layer 40 is fixed on by the way that glue is equally distributed.
Further, separation layer 40 is clear sheet, and the material of the clear sheet is selected from polystyrene (PS).
A kind of backlight module, wherein:Including above-described filter coating, and framework 1, LED 2, diffuser plate 3, leaded light Plate 5, reflecting plate 6, foamed cotton layer 7 and backboard 8, described LED 2 are located at the surrounding of the inwall of framework 1, diffuser plate 3, filter coating 4, lead Tabula rasa 5, reflecting plate 6, foamed cotton layer 7 and backboard 8 are arranged in framework 1 from the bottom to top successively;Described framework 1 includes front frame and pressure Bar 10, front frame is with press strip 10 for Quick Release form is connected.
Further, described LED 2 is arranged on the inwall of framework 1 by buckle.
Further, described front frame is provided with the indent that the embedded bar 102 downwardly convex with press strip 10 coordinates.
Further, the end of described press strip 10 by it is inclined within outer be inclined-plane so that two press strips 10 are connected It is in afterwards orthogonal structure.
Further, described press strip 10 is provided with compression parallel with plane on press strip 101 and in hierarchic structure Plate 103, for being pressed in backboard 8.
Further, described press strip is connected by connecting plate 9 each other, and plate 90 is used to connect above connecting plate Plane on press strip, plate 91 presses plate for connection below connecting plate.
Beneficial effects of the present invention:
The present invention is provided with the filter coating that can absorb blue light fluorescent powder so as to reach reduction backlight module hair by one in increase The blue light for going out;It is located between diffuser plate and light guide plate by by filter coating, on the one hand can makes the light sent by backlight module Middle high energy shortwave blu-ray reflection returns backlight module, and the light of other wavelength is passed through, and drop is reached while display effect is not influenceed The effect of the intensity of high energy shortwave blue light in low backlight module so that do not exist high energy shortwave from the light that display panel is shot out Blue light, eliminates secondary injury of the high energy shortwave blue light in backlight module to human eye as far as possible.
Embodiment described above, simply more preferably one of concrete mode of the invention, those skilled in the art are at this The usual variations and alternatives carried out in the range of inventive technique scheme all should be comprising within the scope of the present invention.

Claims (10)

1. a kind of filter coating of filter blue light, it is characterized in that:Described filter coating(4)Including diffusion layer(41), separation layer(40) And filter layer(45), diffusion layer(41)And filter layer(45)It is respectively provided in two planes of separation layer.
2. the filter coating of filter blue light according to claim 1, it is characterized in that:The thickness of described filter is 205- 225 μm, described separation layer(40)Thickness be 135-150 μm, diffusion layer(41)Thickness be 48-50 μm, filter layer(45) Thickness be 22-26 μm.
3. the filter coating of filter blue light according to claim 1, it is characterized in that:Described filter layer(45)It is provided with yellow Fluorescent grain(44), yellow fluorescence particle(44)Separation layer is fixed on by the way that glue is equally distributed(40)Surface on formed Filtering layer(45).
4. the filter coating of filter blue light according to claim 1, it is characterized in that:Described diffusion layer(41)It is provided with red glimmering Light powder(42)And green emitting phosphor(43), red fluorescence powder(42)And green emitting phosphor(43)By the equally distributed fixation of glue In separation layer(40)Diffusion layer is formed on surface(41).
5. a kind of backlight module, it is characterized in that:Including the filter coating described in above claim 1-4, and framework(1), LED (2), diffuser plate(3), light guide plate(5), reflecting plate(6), foamed cotton layer(7)And backboard(8), described LED(2)It is located at framework (1)The surrounding of inwall, diffuser plate(3), filter coating(4), light guide plate(5), reflecting plate(6), foamed cotton layer(7)And backboard(8)Successively Framework is arranged on from the bottom to top(1)It is interior;Described framework(1)Including front frame and press strip(10), front frame and press strip(10)It is Quick Release Form is connected.
6. backlight module according to claim 1, it is characterized in that:Described LED(2)Framework is arranged on by buckle (1)On inwall.
7. backlight module according to claim 1, it is characterized in that:Described front frame is provided with and press strip(10)It is downwardly convex Embedded bar(102)The indent of cooperation.
8. backlight module according to claim 1, it is characterized in that:Described press strip(10)End by inclined within outer It is inclined-plane so that two press strips(10)It is in orthogonal structure after connection.
9. backlight module according to claim 1, it is characterized in that:Described press strip(10)Be provided with and plane on press strip (101)Pressure strip parallel and in hierarchic structure(103), for being pressed in backboard(8)On.
10. backlight module according to claim 1, it is characterized in that:Described press strip passes through connecting plate each other(9)Even Connect, plate above connecting plate(90)For plane on connection trim strip, plate below connecting plate(91)Press plate for connecting.
CN201611010452.3A 2016-11-17 2016-11-17 Light filter film for filtering blue light and backlight module Pending CN106678613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132695A (en) * 2017-06-21 2017-09-05 深圳市泰衡诺科技有限公司 Mobile phone backlight module buffer structure
CN109946778A (en) * 2017-12-21 2019-06-28 张家港康得新光电材料有限公司 Optical diaphragm and ambient light sensor with it
TWI680316B (en) * 2019-07-05 2019-12-21 凌巨科技股份有限公司 Illumination system and display apparatus thereof
CN111380092A (en) * 2018-12-28 2020-07-07 宁波方太厨具有限公司 Side-draft range hood and gap adjusting method thereof

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CN106019444A (en) * 2016-05-25 2016-10-12 张家港康得新光电材料有限公司 Yellow light absorption structure and backlight module having the same
CN206592854U (en) * 2016-11-17 2017-10-27 深圳市捷智天成科技有限公司 The filter coating and backlight module of a kind of filter blue light

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Publication number Priority date Publication date Assignee Title
TW200939534A (en) * 2008-03-14 2009-09-16 Forhouse Corp LED light source module
CN101555993A (en) * 2008-04-09 2009-10-14 辅祥实业股份有限公司 LED light source module and backlight module using same
CN102798060A (en) * 2012-09-11 2012-11-28 深圳市华星光电技术有限公司 Direct-lighting backlight module
CN104406099A (en) * 2014-12-03 2015-03-11 福建捷联电子有限公司 Display backlight structure capable of reducing bright light harm
CN106019444A (en) * 2016-05-25 2016-10-12 张家港康得新光电材料有限公司 Yellow light absorption structure and backlight module having the same
CN206592854U (en) * 2016-11-17 2017-10-27 深圳市捷智天成科技有限公司 The filter coating and backlight module of a kind of filter blue light

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132695A (en) * 2017-06-21 2017-09-05 深圳市泰衡诺科技有限公司 Mobile phone backlight module buffer structure
CN107132695B (en) * 2017-06-21 2023-12-26 深圳市泰衡诺科技有限公司 Buffering structure of mobile phone backlight module
CN109946778A (en) * 2017-12-21 2019-06-28 张家港康得新光电材料有限公司 Optical diaphragm and ambient light sensor with it
CN111380092A (en) * 2018-12-28 2020-07-07 宁波方太厨具有限公司 Side-draft range hood and gap adjusting method thereof
CN111380092B (en) * 2018-12-28 2022-05-17 宁波方太厨具有限公司 Side-draft range hood and gap adjusting method thereof
TWI680316B (en) * 2019-07-05 2019-12-21 凌巨科技股份有限公司 Illumination system and display apparatus thereof

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