CN112820835A - 一种pvc基材的电致发光器件及制备方法 - Google Patents
一种pvc基材的电致发光器件及制备方法 Download PDFInfo
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- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 47
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 230000005525 hole transport Effects 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims description 108
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 24
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 20
- 238000007650 screen-printing Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 16
- 239000011241 protective layer Substances 0.000 claims description 16
- 238000007639 printing Methods 0.000 claims description 15
- 239000002202 Polyethylene glycol Substances 0.000 claims description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims description 12
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical compound O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 claims description 6
- PDZKZMQQDCHTNF-UHFFFAOYSA-M copper(1+);thiocyanate Chemical compound [Cu+].[S-]C#N PDZKZMQQDCHTNF-UHFFFAOYSA-M 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229960002796 polystyrene sulfonate Drugs 0.000 claims description 5
- 239000011970 polystyrene sulfonate Substances 0.000 claims description 5
- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 2
- 239000002966 varnish Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 4
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
本发明涉及一种PVC基材的电致发光器件及制备方法,该电致发光器件包括PVC基材、依次涂覆于所述PVC基材上的第一透明导电层、空穴传输层、发光层以及第二透明导电层,该电致发光器件的制备方法,包括用网版在PVC基材上印刷透明导电层、用网版在透明导电层上印刷空穴传输层溶液及发光层溶液。采用PVC基材的电致发光器件,具有耐刮擦碰撞性好、轻便、产品一次定型、易加工的优点。
Description
技术领域
本发明涉及电致发光器件,具体而言,涉及一种PVC基材的电致发光器件及制备方法。
背景技术
电致发光器件(LED)指利用电致发光材料受到激励而发光的显示器件,目前已成为显示领域的研究热点。
传统电致发光器件一般以玻璃或者薄膜为基材制备,其中玻璃基材的电致发光器件易碎,容易发生磕碰而导致器件被损坏不方便运输;薄膜基材的电致发光器件容易破损,在使用时需要二次定型。具体的,采用玻璃基材的电致发光器件的缺点为,易碎、笨重、耐冲击性差,而采用薄膜基材的电致发光器件的缺点为,易破损,使用时需二次定型。
另外,现有技术中,户外电致发光器件使用寿命短,且安装不方便。
而采用现有技术中的制备方法直接替换基材或去掉导电浆料或镀导电层膜,制备出的电致光器件并不能满足需要。
发明内容
本发明所要解决的技术问题是提供一种PVC基材的电致发光器件及制备方法。
本发明解决上述技术问题的技术方案如下:包括PVC基材、依次涂覆于所述PVC基材上的第一透明导电层、空穴传输层、发光层以及第二透明导电层;所述发光层的成分包括以下几种,并且每种成分的体积分数为,35-45%的聚乙二醇、4-9%的MDI二苯基甲烷二异氰酸酯、3-10%的γ-丁内酯以及35-70%的发光粉ZnS-Cu;所述空穴传输层的成分包括以下几种,并且每种成分的体积分数为,35-45%的聚乙二醇、4-9%的MDI二苯基甲烷二异氰酸酯、3-10%的γ-丁内酯以及35-70%的CuSCN或NiO中的一种。
本发明的技术方案具有的有益效果为:采用PVC基材的电致发光器件,具有耐刮擦碰撞性好、轻便、产品一次定型、易加工的优点。
本发明的技术方案还包括以下进一步方案:
进一步,所述发光层的成分包括以下几种,并且每种成分的体积分数为,38%的聚乙二醇、6.8%的MDI二苯基甲烷二异氰酸酯、5.2%的γ-丁内酯以及50%的发光粉ZnS-Cu。
进一步,所述空穴传输层的成分包括以下几种,并且每种成分的体积分数为,38%的聚乙二醇、6.8%的MDI二苯基甲烷二异氰酸酯、5.2%的γ-丁内酯以及50%的CuSCN或NiO中的一种。
进一步,,所述第一透明导电层和所述第二透明导电层的成分相同,均为,3,4-乙烯二氧噻吩聚合物-聚苯乙烯磺酸盐与可紫外固化的树脂材料的混合物。
进一步,所述透明导电层的成分包括以下几种,并且每种成分的体积分数为,10-50%的3,4-乙烯二氧噻吩聚合物-聚苯乙烯磺酸盐、20-40%的聚乙二醇二甲基丙烯酸酯、20-40%的三乙二醇双甲基丙烯酸酯以及3-10%的光引发剂。
进一步,还包括保护层,所述保护层为绝缘不导电光油;所述保护层涂覆于所述发光层之上。
本发明的一种PVC基材的电致发光器件的制备方法,包括步骤:
a、将配制好的所述透明导电层的溶液通过网版印刷至所述PVC基层上形成所述第一透明导电层,并等待其干燥后,用365nm的紫外灯照射固化;所述第一透明导电层干燥后的厚度为2.5-5微米;
b、将配制好的空穴传输层材料通过网版印刷至所述步骤a的干燥后的所述第一透明导电层上形成所述空穴传输层,并等待其干燥后进行紫外灯照射固化;所述空穴传输层干燥后的厚度为25-35微米;
c、将配制好的所述发光层溶液通过网版印刷至所述步骤a的干燥后的所述空穴传输层上,形成所述发光层,并等待其干燥后进行紫外灯照射固化;所述空穴传输层干燥后的厚度为15-25微米;
d、采用所述步骤a中的透明导电层溶液通过网版印刷至所述步骤c的发光层上,形成第二透明导电层,并等待其干燥后,用365nm的紫外灯照射固化;所述第二透明导电层干燥后的厚度为2.5-5微米。
本发明提供一种PVC基材的电致发光器件制备方法,将电致发光图层直接附着在PVC基板上,PVC基材综合了玻璃的强度和薄膜的韧性,且不需要二次定型,使该类产品的应用性进一步提高。
进一步,所述步骤b和所述步骤c中,固化的温度和时间均为75℃、30min。
进一步,所述步骤a和所述步骤d中采用的网版为300目;所述步骤b和所述步骤c中采用的网版均为200目。
进一步,完成所述步骤d后,还包括在所述第二透明导电层上继续印刷保护层的步骤e,具体为,
所述保护层为绝缘不导电光油,将所述绝缘不导电光油通过200目的网板印刷,干燥后的厚度为20-30微米,然后用365nm的紫外灯照射固化。
具体实施方式
以下对本发明的原理和特征进行描述,所举实例只用于解释本发明,并非用于限定本发明的范围。
本发明的一种PVC基材的电致发光器件,包括PVC基材、依次涂覆于所述PVC基材上的第一透明导电层、空穴传输层、发光层以及第二透明导电层;发光层的成分包括以下几种,并且每种成分的体积分数为,35-45%的聚乙二醇6000、4-9%的MDI二苯基甲烷二异氰酸酯、3-10%的γ-丁内酯以及35-70%的发光粉ZnS-Cu;空穴传输层的成分包括以下几种,并且每种成分的体积分数为,35-45%的聚乙二醇6000、4-9%的MDI二苯基甲烷二异氰酸酯、3-10%的γ-丁内酯以及35-70%的CuSCN或NiO中的一种;本发明的电致发光器件,采用PVC基材的电致发光器件,同时具备足够的刚性和硬度,具有耐刮擦碰撞性好、轻便、产品一次定型、易加工的优点。
优选的,本发明的发光层的成分包括以下几种,并且每种成分的体积分数为,38%的聚乙二醇6000、6.8%的MDI二苯基甲烷二异氰酸酯、5.2%的γ-丁内酯以及50%的发光粉ZnS-Cu。
优选的,本发明的空穴传输层的成分包括以下几种,并且每种成分的体积分数为,38%的聚乙二醇6000、6.8%的MDI二苯基甲烷二异氰酸酯、5.2%的γ-丁内酯以及50%的CuSCN或NiO中的一种。
本发明的第一透明导电层和第二透明导电层的成分相同,均为,PEDOT-PSS与可紫外固化的树脂材料的混合物;其中,PEDOT-PSS是由PEDOT和PSS两种物质构成。PEDOT是EDOT(3,4-乙烯二氧噻吩单体)的聚合物,PSS是聚苯乙烯磺酸盐。
优选的,透明导电层的成分和体积分数配比为,透明导电层的成分包括以下几种,并且每种成分的体积分数为,10-50%的PEDOT/PSS、20-40%的聚乙二醇(600)二甲基丙烯酸酯、20-40%的三乙二醇双甲基丙烯酸酯以及3-10%的光引发剂。
进一步优选的,第一透明导电层和所述第二透明导电层的成分和体积分数配比为,25%的PEDOT-PSS、35%的聚乙二醇(600)二甲基丙烯酸酯、35%的三乙二醇双甲基丙烯酸酯以及5%的光引发剂。
本发明的PVC基材的电致发光器件还包括保护层,保护层为绝缘不导电光油;保护层涂覆于第二透明导电层之上。
本发明的一种PVC基材的电致发光器件的制备方法,包括步骤:
a、将配制好的透明导电层的溶液通过网版印刷至PVC基层上形成所述第一透明导电层,并等待其干燥后,用365nm的紫外灯照射固化;所述第一透明导电层干燥后的厚度为2.5-5微米;
b、将配制好的空穴传输层材料通过网版印刷至所述步骤a的干燥后的第一透明导电层上形成所述空穴传输层,并等待其干燥后进行紫外灯照射固化;空穴传输层干燥后的厚度为25-35微米;
c、将配制好的发光层溶液通过网版印刷至所述步骤a的干燥后的所述空穴传输层上,形成发光层,并等待其干燥后进行紫外灯照射固化;空穴传输层干燥后的厚度为15-25微米;
d、采用步骤a中的透明导电层溶液通过网版印刷至所述步骤c的发光层上,形成第二透明导电层,并等待其干燥后,用365nm的紫外灯照射固化;第二透明导电层干燥后的厚度为2.5-5微米。
优选的,步骤b和步骤c中,固化的温度和时间均为75℃、30min。
优选的,步骤a中采用的网版为300目;步骤b和所述步骤c中采用的网版均为200目。
优选的,完成步骤c后,还包括在干燥后的发光层上继续印刷保护层的步骤d,具体为,保护层为绝缘不导电光油,将绝缘不导电光油通过200目的网板印刷,干燥后的厚度为20-30微米,然后用365nm的紫外灯照射固化。
本发明的制备方法,采用透明导电油墨印刷在PVC基板上,使之成为导电PVC基板,然后再将第一透明导电层、空穴传输层、发光层、第二透明导电层和保护层分别通过丝网印刷的方式,印刷一层固化再印刷下一层,以此类推,直至把器件制备完成。通过上述方法制备的电致发光器件的性能与玻璃基或柔性基无异,简化了制备流程,降低了制造成本。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种PVC基材的电致发光器件,其特征在于,包括PVC基材、依次涂覆于所述PVC基材上的第一透明导电层、空穴传输层、发光层以及第二透明导电层;
所述发光层的成分包括以下几种,并且每种成分的体积分数为,35-45%的聚乙二醇、4-9%的二苯基甲烷二异氰酸酯、3-10%的γ-丁内酯以及35-70%的发光粉ZnS-Cu;
所述空穴传输层的成分包括以下几种,并且每种成分的体积分数为,35-45%的聚乙二醇、4-9%的二苯基甲烷二异氰酸酯、3-10%的γ-丁内酯以及35-70%的CuSCN或NiO中的一种。
2.根据权利要求1所述一种PVC基材的电致发光器件,其特征在于,所述发光层的成分包括以下几种,并且每种成分的体积分数为,38%的聚乙二醇、6.8%的二苯基甲烷二异氰酸酯、5.2%的γ-丁内酯以及50%的发光粉ZnS-Cu。
3.根据权利要求1所述一种PVC基材的电致发光器件,其特征在于,所述空穴传输层的成分包括以下几种,并且每种成分的体积分数为,38%的聚乙二醇、6.8%的二苯基甲烷二异氰酸酯、5.2%的γ-丁内酯以及50%的CuSCN或NiO中的一种。
4.根据权利要求1所述一种PVC基材的电致发光器件,其特征在于,所述第一透明导电层和所述第二透明导电层的成分相同,均为,3,4-乙烯二氧噻吩聚合物-聚苯乙烯磺酸盐与可紫外固化的树脂材料的混合物。
5.根据权利要求4所述一种PVC基材的电致发光器件,其特征在于,所述透明导电层的成分包括以下几种,并且每种成分的体积分数为,10-50%的3,4-乙烯二氧噻吩聚合物-聚苯乙烯磺酸盐、20-40%的聚乙二醇二甲基丙烯酸酯、20-40%的三乙二醇双甲基丙烯酸酯以及3-10%的光引发剂。
6.根据权利要求1~5任意一项所述一种PVC基材的电致发光器件,其特征在于,还包括保护层,所述保护层为绝缘不导电光油;所述保护层涂覆于所述第二透明导电层之上。
7.一种如权利要求1~6任意一项所述PVC基材的电致发光器件的制备方法,其特征在于,包括步骤:
a、将配制好的所述透明导电层的溶液通过网版印刷至所述PVC基层上形成所述第一透明导电层,并等待其干燥后,用365nm的紫外灯照射固化;所述第一透明导电层干燥后的厚度为2.5-5微米;
b、将配制好的空穴传输层材料通过网版印刷至所述步骤a的干燥后的所述第一透明导电层上形成所述空穴传输层,并等待其干燥后进行紫外灯照射固化;所述空穴传输层干燥后的厚度为25-35微米;
c、将配制好的所述发光层溶液通过网版印刷至所述步骤a的干燥后的所述空穴传输层上,形成所述发光层,并等待其干燥后进行紫外灯照射固化;所述空穴传输层干燥后的厚度为15-25微米;
d、采用所述步骤a中的透明导电层溶液通过网版印刷至所述步骤c的发光层上,形成第二透明导电层,并等待其干燥后,用365nm的紫外灯照射固化;所述第二透明导电层干燥后的厚度为2.5-5微米。
8.根据权利要求7所述一种PVC基材的电致发光器件的制备方法,其特征在于,所述步骤b和所述步骤c中,固化的温度和时间均为75℃、30min。
9.根据权利要求7所述一种PVC基材的电致发光器件的制备方法,其特征在于,所述步骤a和所述步骤d中采用的网版为300目;所述步骤b和所述步骤c中采用的网版均为200目。
10.根据权利要求6所述一种PVC基材的电致发光器件的制备方法,其特征在于,完成所述步骤d后,还包括在所述第二透明导电层上继续印刷保护层的步骤e,具体为,
所述保护层为绝缘不导电光油,将所述绝缘不导电光油通过200目的网板印刷,干燥后的厚度为20-30微米,然后用365nm的紫外灯照射固化。
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