CN106678613A - Light filter film for filtering blue light and backlight module - Google Patents
Light filter film for filtering blue light and backlight module Download PDFInfo
- 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
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- 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
Links
- 238000001914 filtration Methods 0.000 title claims abstract 4
- 238000009792 diffusion process Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims description 34
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000000926 separation method Methods 0.000 claims description 29
- 229920000742 Cotton Polymers 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 230000006378 damage Effects 0.000 abstract description 7
- 239000006260 foam Substances 0.000 abstract 2
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004425 Makrolon Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- JSLMNNPQKHONFW-UHFFFAOYSA-N benzene naphthalene-1-carboxylic acid Chemical compound C1(=CC=CC2=CC=CC=C12)C(=O)O.C1=CC=CC=C1 JSLMNNPQKHONFW-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 208000038015 macular disease Diseases 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 231100000018 phototoxicity Toxicity 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611010452.3A CN106678613A (en) | 2016-11-17 | 2016-11-17 | Light filter film for filtering blue light and backlight module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611010452.3A CN106678613A (en) | 2016-11-17 | 2016-11-17 | Light filter film for filtering blue light and backlight module |
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Publication Number | Publication Date |
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CN106678613A true CN106678613A (en) | 2017-05-17 |
Family
ID=58839615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611010452.3A Pending CN106678613A (en) | 2016-11-17 | 2016-11-17 | Light filter film for filtering blue light and backlight module |
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CN (1) | CN106678613A (en) |
Cited By (4)
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 |
Citations (6)
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 |
-
2016
- 2016-11-17 CN CN201611010452.3A patent/CN106678613A/en active Pending
Patent Citations (6)
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)
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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