CN115407560A - Yellow ink layer and quantum dot backlight module - Google Patents
Yellow ink layer and quantum dot backlight module Download PDFInfo
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- CN115407560A CN115407560A CN202211129543.4A CN202211129543A CN115407560A CN 115407560 A CN115407560 A CN 115407560A CN 202211129543 A CN202211129543 A CN 202211129543A CN 115407560 A CN115407560 A CN 115407560A
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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
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the technical field of liquid crystal display, in particular to a yellow ink layer and a quantum dot backlight module. The invention provides a yellow ink layer which comprises the following components in parts by weight: 70-82 parts of epoxy acrylate resin, 2-8 parts of inorganic filler, 1-7 parts of diluent, 2-8 parts of blue light absorbent, 2-14 parts of pigment and 0.5-4 parts of defoaming and leveling agent. The yellow ink layer provided by the invention is applied to the quantum dot backlight module, so that the phenomenon of blue light leakage at the edge of the quantum dot backlight module can be prevented.
Description
The application is a divisional application of an invention patent with the application date of 2017, 11 and 29, and the application number of 201711227084.2, and the invention name of quantum dot backlight module.
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a yellow ink layer and a quantum dot backlight module.
Background
Since the lcd panel does not emit light, the backlight module is one of the key components of the lcd device because the backlight module provides light to display images. The backlight module is divided into a side-in type backlight module and a direct type backlight module according to different incident positions of the light source. The mode that generally adopts blue light LED to arouse the quantum dot membrane in the trade produces white light, but during concrete implementation in the income formula backlight unit mechanism of inclining, the blue light that blue light LED sent gets into the light guide plate after, the white reflection of light sticky tape that sets up at the edge of light guide plate can go out partial blue light reflection, leads to the phenomenon that can appear leaking the blue light at the light guide plate edge.
Disclosure of Invention
Therefore, the yellow ink layer and the quantum dot backlight module are provided, and the yellow ink layer provided by the invention is applied to the quantum dot backlight module, so that the phenomenon of blue light leakage at the edge of the quantum dot backlight module can be prevented.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the invention provides a yellow ink layer which comprises the following components in parts by weight: 70-82 parts of epoxy acrylate resin, 2-8 parts of inorganic filler, 1-7 parts of diluent, 2-8 parts of blue light absorbent, 2-14 parts of pigment and 0.5-4 parts of defoaming and leveling agent.
Preferably, the yellow ink layer consists of the following components in parts by weight: 76 parts of epoxy acrylate resin, 5 parts of inorganic filler, 4 parts of diluent, 5 parts of blue light absorbent, 8 parts of pigment and 2 parts of defoaming and leveling agent.
Preferably, the epoxy acrylate resin is a high-refraction thermosetting epoxy acrylate resin.
Preferably, the inorganic filler is talcum powder and gas silicon.
Preferably, the pigment is titanium dioxide and yellow toner.
Preferably, the diluent is ethyl acetone mixed solution or reactive methacrylate ACMO.
Preferably, the blue light absorber is 440-450mm white light LED fluorescent powder.
The invention also provides a quantum dot backlight module, which comprises:
the light guide plate comprises a reflecting film, a light guide plate connected with the reflecting film, a quantum dot film connected with the light guide plate and a yellow ink layer arranged between the reflecting film and the light guide plate and close to the edge of the reflecting film;
the yellow ink layer is the yellow ink layer in the technical scheme.
The invention provides a yellow ink layer which comprises the following components in parts by weight: 70-82 parts of epoxy acrylate resin, 2-8 parts of inorganic filler, 1-7 parts of diluent, 2-8 parts of blue light absorbent, 2-14 parts of pigment and 0.5-4 parts of defoaming and leveling agent. The yellow ink layer provided by the invention is applied to the quantum dot backlight module, so that the phenomenon of blue light leakage at the edge of the quantum dot backlight module can be prevented.
The invention also provides a quantum dot backlight module. According to the backlight module, the yellow ink layer is arranged at the edge between the reflecting film and the light guide plate, the yellow ink layer has strong blue light absorption capacity, when the white reflective glue arranged at the edge of the light guide plate reflects part of blue light to the edge, the yellow ink layer can absorb the reflected blue light, and the blue light leaked from the edge of the light guide plate is eliminated, so that the backlight module is applied to liquid crystal display, and displayed images are clearer and are not interfered.
Drawings
Fig. 1 is a schematic structural diagram of a quantum dot backlight module according to a preferred embodiment of the invention;
fig. 2 is a schematic structural diagram of a reflection film and a yellow ink layer of the quantum dot backlight module shown in fig. 1.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The quantum dot backlight module is used for analyzing and determining the ester substances in the sample, and avoids ester hydrolysis and substrate substance interference in the determination process, so that the analysis result is more accurate.
Referring to fig. 1 and 2, a quantum dot backlight module 100 according to a preferred embodiment of the invention is applied to a liquid crystal display, and an image is displayed by light provided by the backlight module 100. The quantum dot backlight module 100 includes a reflective film 10, a light guide plate 20 connected to the reflective film 10, a quantum dot film 30 connected to the light guide plate 20, and a yellow ink layer 40 disposed between the reflective film 10 and the light guide plate 20 and near the edge of the reflective film 10. When the white reflective glue arranged at the edge of the light guide plate reflects part of the blue light to the edge, the yellow ink layer can absorb the reflected blue light and eliminate the blue light leaked from the edge of the light guide plate, so that the backlight module is applied to liquid crystal display, and the displayed image is clearer and is not interfered; and the yellow ink layer 40 does not affect the normal light of the backlight module 100.
The yellow ink layer comprises the following components in parts by weight: 70-82 parts of epoxy acrylate resin, 2-8 parts of inorganic filler, 1-7 parts of diluent, 2-8 parts of blue light absorbent and 2-14 parts of pigment. The yellow ink layer can better absorb blue light and eliminate the blue light leaked from the edge of the light guide plate.
Further, the yellow ink layer also comprises 0.5-4 parts of defoaming and leveling agent.
Wherein the epoxy acrylate resin is high-refraction thermosetting epoxy acrylate resin.
Or, the yellow ink layer comprises the following components in parts by weight: 50-60 parts of polyurethane acrylate resin, 8-20 parts of inorganic filler, 8-20 parts of diluent, 5-15 parts of blue light absorbent, 2-8 parts of photoinitiator and 3-12 parts of pigment. The yellow ink layer can better absorb blue light and eliminate the blue light leaked from the edge of the light guide plate.
Further, the yellow ink layer also comprises 0.5-4 parts of defoaming and leveling agent.
Wherein the photoinitiator is TPO and photoinitiator 184.
Wherein the inorganic filler is talcum powder and gas silicon.
Wherein the diluent is ethyl acetone mixed solution or reactive methacrylate ACMO.
The blue light absorber is 440-450mm white light LED fluorescent powder.
The pigment is titanium dioxide and yellow toner.
Embodiments of the present invention will be specifically described below by way of several examples.
Example one
The quantum dot backlight module, it includes: the backlight module comprises a reflecting film 10, a light guide plate 20 connected with the reflecting film 10, a quantum dot film 30 connected with the light guide plate 20, and a yellow ink layer 40 arranged between the reflecting film 10 and the light guide plate 20 and close to the edge of the reflecting film 10, wherein the yellow ink layer 40 is arranged at the edge of the reflecting film 10. The yellow ink layer comprises the following components in parts by weight: 76 parts of epoxy acrylate resin, 5 parts of inorganic filler, 4 parts of diluent, 5 parts of blue light absorbent, 8 parts of pigment and 2 parts of defoaming and leveling agent.
Wherein the inorganic filler is talcum powder and gas silicon according to the weight ratio of 1:1, the diluent is ethyl ester-acetone mixed liquid, the blue light absorbent is white light LED fluorescent powder with the thickness of 440-450mm, the pigment is titanium dioxide and yellow toner, the addition amount is adjusted according to the requirement of the backlight module, and the whole color is ensured to be yellow.
The preparation method of the yellow ink layer 40 is to mix the components together and stir the mixture evenly.
Example two
The quantum dot backlight module, it includes: the backlight module comprises a reflective film 10, a light guide plate 20 connected with the reflective film 10, a quantum dot film 30 connected with the light guide plate 20, and a yellow ink layer 40 arranged between the reflective film 10 and the light guide plate 20 and close to the edge of the reflective film 10, wherein the yellow ink layer 40 is arranged at the edge of the reflective film 10. The yellow ink layer comprises the following components in parts by weight: 54 parts of urethane acrylate resin, 12 parts of inorganic filler, 13 parts of diluent, 5 parts of blue light absorbent, 5 parts of photoinitiator, 8 parts of pigment and 2 parts of defoaming and leveling agent.
Wherein the inorganic filler is talcum powder and gas silicon according to the weight ratio of 2:1, the thinner is ethyl acetate-acetone mixed liquid, the blue light absorbent is white light LED fluorescent powder with the thickness of 440-450mm, the pigment is titanium dioxide and yellow toner, and the addition amount is adjusted according to the requirement of the backlight module, so that the whole color is ensured to be yellow. The photoinitiator was TPO formulated with photoinitiator 184 in a 1.
The preparation method of the yellow ink layer 40 is to mix the components together and stir the mixture evenly.
EXAMPLE III
The quantum dot backlight module, it includes: the backlight module comprises a reflective film 10, a light guide plate 20 connected with the reflective film 10, a quantum dot film 30 connected with the light guide plate 20, and a yellow ink layer 40 arranged between the reflective film 10 and the light guide plate 20 and close to the edge of the reflective film 10, wherein the yellow ink layer 40 is arranged at the edge of the reflective film 10. The yellow ink layer comprises the following components in parts by weight: 70 parts of epoxy acrylate resin, 2 parts of inorganic filler, 1 part of diluent, 2 parts of blue light absorbent, 2 parts of pigment and 0.5 part of defoaming and leveling agent.
Wherein the inorganic filler is talcum powder and gas silicon according to the weight ratio of 1:2, the diluent is ethyl ester-acetone mixed liquid, the blue light absorbent is white light LED fluorescent powder with the thickness of 440-450mm, the pigment is titanium dioxide and yellow toner, the addition amount is adjusted according to the requirement of the backlight module, and the whole color is ensured to be yellow.
The preparation method of the yellow ink layer 40 is to mix the components together and stir the mixture evenly.
Example four
The quantum dot backlight module comprises: the backlight module comprises a reflective film 10, a light guide plate 20 connected with the reflective film 10, a quantum dot film 30 connected with the light guide plate 20, and a yellow ink layer 40 arranged between the reflective film 10 and the light guide plate 20 and close to the edge of the reflective film 10, wherein the yellow ink layer 40 is arranged at the edge of the reflective film 10. The yellow ink layer comprises the following components in parts by weight: 82 parts of epoxy acrylate resin, 8 parts of inorganic filler, 7 parts of diluent, 8 parts of blue light absorbent, 14 parts of pigment and 4 parts of defoaming and leveling agent.
Wherein the inorganic filler is talcum powder and gas silicon according to the weight ratio of 2:3, the thinner is ethyl acetone mixed liquid, the blue light absorbent is white light LED fluorescent powder with the thickness of 440-450mm, the pigment is titanium white powder and yellow toner, the adding amount is adjusted according to the requirement of the backlight module, and the whole color is ensured to be yellow.
The preparation method of the yellow ink layer 40 is to mix the components together and stir the mixture evenly.
EXAMPLE five
The quantum dot backlight module comprises: the backlight module comprises a reflecting film 10, a light guide plate 20 connected with the reflecting film 10, a quantum dot film 30 connected with the light guide plate 20, and a yellow ink layer 40 arranged between the reflecting film 10 and the light guide plate 20 and close to the edge of the reflecting film 10, wherein the yellow ink layer 40 is arranged at the edge of the reflecting film 10. The yellow ink layer comprises the following components in parts by weight: 50 parts of urethane acrylate resin, 8 parts of inorganic filler, 8 parts of diluent, 15 parts of blue light absorbent, 2 parts of photoinitiator, 3 parts of pigment and 0.5 part of defoaming and leveling agent.
Wherein the inorganic filler is talcum powder and gas silicon according to the weight ratio of 2:1, the thinner is ethyl acetate-acetone mixed liquid, the blue light absorbent is white light LED fluorescent powder with the thickness of 440-450mm, the pigment is titanium dioxide and yellow toner, and the addition amount is adjusted according to the requirement of the backlight module, so that the whole color is ensured to be yellow. The photoinitiator was TPO formulated with photoinitiator 184 at 1.
The preparation method of the yellow ink layer 40 is to mix the components together and stir the mixture evenly.
Example six
The quantum dot backlight module comprises: the backlight module comprises a reflective film 10, a light guide plate 20 connected with the reflective film 10, a quantum dot film 30 connected with the light guide plate 20, and a yellow ink layer 40 arranged between the reflective film 10 and the light guide plate 20 and close to the edge of the reflective film 10, wherein the yellow ink layer 40 is arranged at the edge of the reflective film 10. The yellow ink layer comprises the following components in parts by weight: 60 parts of polyurethane acrylate resin, 20 parts of inorganic filler, 20 parts of diluent, 10 parts of blue light absorbent, 8 parts of photoinitiator, 12 parts of pigment and 4 parts of defoaming and leveling agent.
Wherein the inorganic filler is talcum powder and gas silicon according to the weight ratio of 3:1, the diluent is ethyl ester-acetone mixed liquid, the blue light absorbent is white light LED fluorescent powder with the thickness of 440-450mm, the pigment is titanium dioxide and yellow toner, the addition amount is adjusted according to the requirement of the backlight module, and the whole color is ensured to be yellow. The photoinitiator was TPO formulated with photoinitiator 184 at 1.
The preparation method of the yellow ink layer 40 is to mix the components together and stir the mixture evenly.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (8)
1. The yellow ink layer is characterized by comprising the following components in parts by weight: 70-82 parts of epoxy acrylate resin, 2-8 parts of inorganic filler, 1-7 parts of diluent, 2-8 parts of blue light absorbent, 2-14 parts of pigment and 0.5-4 parts of defoaming and leveling agent.
2. The yellow ink layer of claim 1, wherein the yellow ink layer comprises the following components in parts by weight: 76 parts of epoxy acrylate resin, 5 parts of inorganic filler, 4 parts of diluent, 5 parts of blue light absorbent, 8 parts of pigment and 2 parts of defoaming and leveling agent.
3. The yellow ink layer of claim 1 or 2, wherein the epoxy acrylate resin is a high refractive thermosetting epoxy acrylate resin.
4. The yellow ink layer according to claim 1 or 2, wherein the inorganic filler is talc and fumed silica.
5. The yellow ink layer according to claim 1 or 2, wherein the pigment is titanium dioxide and yellow toner.
6. The yellow ink layer according to claim 1 or 2, wherein the diluent is ethyl propyl ketone mixture or reactive methacrylate ACMO.
7. A yellow ink according to claim 1 or 2, wherein the blue light absorber is a 440-450mm white LED phosphor.
8. A quantum dot backlight module is characterized by comprising:
the light guide plate comprises a reflecting film, a light guide plate connected with the reflecting film, a quantum dot film connected with the light guide plate and a yellow ink layer arranged between the reflecting film and the light guide plate and close to the edge of the reflecting film;
the yellow ink layer is the yellow ink layer according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129543.4A CN115407560A (en) | 2017-11-29 | 2017-11-29 | Yellow ink layer and quantum dot backlight module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129543.4A CN115407560A (en) | 2017-11-29 | 2017-11-29 | Yellow ink layer and quantum dot backlight module |
| CN201711227084.2A CN107728381A (en) | 2017-11-29 | 2017-11-29 | Quantum dot backlight module |
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| CN201711227084.2A Division CN107728381A (en) | 2017-11-29 | 2017-11-29 | Quantum dot backlight module |
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| CN201711227084.2A Pending CN107728381A (en) | 2017-11-29 | 2017-11-29 | Quantum dot backlight module |
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| CN111240087A (en) * | 2018-11-28 | 2020-06-05 | 深圳Tcl新技术有限公司 | Backlight module light source component |
| US20230408868A1 (en) * | 2020-11-17 | 2023-12-21 | K-Tronics (Suzhou) Technology Co., Ltd. | Backlight module and display device |
| CN113791507B (en) * | 2021-09-23 | 2023-10-13 | 京东方科技集团股份有限公司 | Backlight module and display device |
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| CN1747943A (en) * | 2003-02-14 | 2006-03-15 | 出光兴产株式会社 | Heteropolycyclic compound, and coloring matter, pigment, dye, color-changing material composition and color-changing film prepared therefrom |
| CN102492416A (en) * | 2011-11-28 | 2012-06-13 | 斯迪克新型材料（江苏）有限公司 | Polyester film used for LED lamp |
| CN102604515A (en) * | 2012-03-01 | 2012-07-25 | 上海祥羚光电科技发展有限公司 | Large-power blue light LED remote exciter lamp cover special-purposed electrostatic spraying yellow fluorescent powder composite white light paint |
| CN103935097B (en) * | 2014-04-10 | 2015-12-02 | 宁波惠之星新材料科技有限公司 | A kind of anti-blue light cured film |
| JP2017526133A (en) * | 2014-08-21 | 2017-09-07 | スリーエム イノベイティブ プロパティズ カンパニー | Backlight system with built-in down conversion film element |
| CN104406126A (en) * | 2014-11-03 | 2015-03-11 | 天津理工大学 | Coating capable of resisting blue light and improving color rendering property and application thereof |
| KR101572165B1 (en) * | 2014-12-09 | 2015-11-26 | 삼성전자 주식회사 | Display apparutus and back light unit therein |
| US10984735B2 (en) * | 2015-04-17 | 2021-04-20 | Nanosys, Inc. | White point uniformity in display devices |
| CN205065312U (en) * | 2015-10-09 | 2016-03-02 | 瑞仪光电股份有限公司 | Display device |
| CN106681051A (en) * | 2015-11-09 | 2017-05-17 | 宁波长阳科技股份有限公司 | Reflecting film for side type quantum dot display module and preparation method thereof |
| CN206684434U (en) * | 2017-03-23 | 2017-11-28 | 合肥惠科金扬科技有限公司 | Quantum dot backlight module and display device |
| CN107203064A (en) * | 2017-07-03 | 2017-09-26 | 厦门天马微电子有限公司 | A kind of display device |
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