CN104946186A - Production method for cation ultraviolet light curing frame glue used for organic electroluminescence displayer - Google Patents
Production method for cation ultraviolet light curing frame glue used for organic electroluminescence displayer Download PDFInfo
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Abstract
The invention provides a production method for cation ultraviolet light curing frame glue used for an organic electroluminescence displayer. The production method includes the following steps that 1, with chloroplatinic acid as a catalyst, hydrogen-terminated silicone oil and allyl glycidyl ether react to obtain polysiloxane modified epoxy resin; 2, gap phase SiO2 powder is added into a coupling agent diluent and evenly mixed, and the mixture is dried to obtain modified gap phase SiO2 powder; 3, a diluent, cation photoinitiator, the polysiloxane modified epoxy resin and the modified gap phase SiO2 powder are evenly mixed to obtain the cation ultraviolet light curing frame glue used for the organic electroluminescence displayer. The frame glue still has excellent flexibility without addition of any solvent or participation of any tenacity modifying agent, after the frame glue is cured through ultraviolet light, the water vapor penetration rate, the oxygen penetration rate, the bonding strength, volatile gas performance and other properties of the frame glue can meet the requirement of national standards, and the production method has wide application prospects.
Description
Technical field
The invention belongs to optoelectronic packaging field of material technology, be specifically related to a kind of production method of display of organic electroluminescence cationic UV cure frame glue.
Background technology
Display of organic electroluminescence (OLED) is that China's information industry emphasis supports project, China has become a flat-panel monitor big producing country, but the nesa coating of high-end flat-panel monitor, anti-reflective film, oriented film, backlight, color filter film, light guiding plate, luminous organic material, packaged material etc. all grasp by offshore company and control.The frame glue material of display of organic electroluminescence is one of key factor affecting its life-span.Its effect is that obstruct steam and oxygen penetrate into device inside, because the steam of trace and entering of oxygen all can make the life-span of device greatly reduce.When simultaneously also requiring that frame glue material encapsulate, set time is short, and volatile gases is little, and sticking power is good, and cohesive strength is large, and glass transformation temperature is high, shrinking percentage low with good weatherability etc. excellent performance.
The supply of OLED packaged material mainly grasped by the rapids chemistry of Japan head (Nagase-chemtex) and triple bond (ThreeBond), although China's flat-panel monitor has the huge market requirement, the monopolization of Japanese trader cannot be broken through because there is no this material technology.Therefore, need a kind of high performance frame glue production technology being applicable to OLED of research and development badly, thus catch up with the paces of Flat Panel Display Industry.
The epoxy resin manufacturer of China and R&D institution a lot, but for industrialized special epoxy resin, no matter from kind aspect also with quality aspect, all also have very large difference with external, so just limit resin in high added value, particularly the widespread use of electronics aspect.The epoxy resin that China produces also exists the low conversion rate of prepolymer synthesis, the irrational distribution of prepolymer molecular weight and molecular weight, the shortcomings such as reaction is unstable, so raising Synthesis conversion, the distribution controlling prepolymer molecular weight and molecular weight be exploitation epoxy resin especially special epoxy resin and the key of modification.
The major ingredient of display of organic electroluminescence ultraviolet light polymerization frame glue is polysiloxane modified epoxy resin, the polysiloxane modified epoxy resin prepolymer that exploitation synthesis meets industry needs is the key developing this seal gum, generally by chemical reaction, siloxane bond is introduced in epoxy molecule, synthesis polysiloxane modified epoxy resin.The shortcomings such as although China has also carried out much exploration work in polysiloxane modified epoxy resin synthesis, all there is the low conversion rate of prepolymer synthesis, the distribution of prepolymer molecular weight and molecular weight is still unreasonable, and reaction is unstable.The polysiloxane modified epoxy resin of Chinese commodity does not also have, and in order to adapt to the demand of market to packaged material, research and development display of organic electroluminescence polysiloxane modified epoxy resin becomes very urgent and necessary.
Therefore, need badly by adjusting the kind of epoxy resin, thinner, light trigger and consumption, study the impact of each material on aspects such as moisture resistance against corrosion, heatproof wet fastness, temperature-change resistance, shock resistance and high temperature low-temperature storage after frame glue package curing, a kind of high-quality OLED cationic UV cure frame glue of final research and development, catches up with the paces of Flat Panel Display Industry.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provides a kind of production method of display of organic electroluminescence cationic UV cure frame glue.The frame glue utilizing the method to produce is not adding any solvent, also under the condition not having toughness properties-correcting agent to participate in, still there is excellent flexility, and after ultraviolet light polymerization, the performances such as its steam penetration coefficient, oxygen penetration rate, bonding strength, volatile gases all meet national standard requirement, are with a wide range of applications.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of production method of display of organic electroluminescence cationic UV cure frame glue, and it is characterized in that, the method comprises the following steps:
Step one, employing Platinic chloride are catalyzer, end hydrogen silicone oil and glycidyl allyl ether are reacted 6h ~ 9h under temperature is the condition of 80 DEG C ~ 90 DEG C, obtains polysiloxane modified epoxy resin; The mol ratio of described glycidyl allyl ether and end hydrogen silicone oil is (3 ~ 5): 1, and the consumption of described Platinic chloride is 0.01% ~ 0.02% of described glycidyl allyl ether and end hydrogen silicone oil total mass;
Step 2, by coupling agent and dehydrated alcohol in mass ratio 1: (80 ~ 120) mix, and obtain coupling agent diluent, then by gas phase SiO
2powder and described coupling agent diluent in mass ratio 1: after (0.8 ~ 1.2) mixes, puts into loft drier and is dried to dehydrated alcohol and volatilizees completely, obtain modification gas phase SiO
2powder;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder in mass ratio 1: 0.15: (3 ~ 7): (1 ~ 2) mixes, obtain display of organic electroluminescence cationic UV cure frame glue.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, it is characterized in that, Gardner colourity≤2 of polysiloxane modified epoxy resin described in step one, viscosity is 6.0 × 10
3cps ~ 8.0 × 10
3cps, epoxy equivalent (weight) is 320g/eq ~ 380g/eq, and number-average molecular weight is 420 ~ 460.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, it is characterized in that, the mol ratio of glycidyl allyl ether described in step one and end hydrogen silicone oil is 4: 1, the consumption of described Platinic chloride is 0.018% of glycidyl allyl ether and end hydrogen silicone oil total mass, the temperature of described reaction is 85 DEG C, and the time of described reaction is 8h.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, is characterized in that, gas phase SiO described in step 2
2the median size of powder is 5 μm.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, it is characterized in that, coupling agent described in step 2 is silane coupling A-187.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, it is characterized in that, cation light initiator described in step 3 is cation light initiator Irgacure-261.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, it is characterized in that, thinner described in step 3 is epoxy active diluent AGE.
The production method of above-mentioned display of organic electroluminescence cationic UV cure frame glue, is characterized in that, thinner described in step 3, cation light initiator, polysiloxane modified epoxy resin and modification gas phase SiO
2the mass ratio of powder is 1: 0.15: 5: 1.5.
The present invention adopts end hydrogen silicone oil and glycidyl allyl ether to be reaction raw materials, and adopt Platinic chloride to be the silicone-modified epoxy resin of catalyst to synthesize, reaction equation is:
The present invention compared with prior art has the following advantages:
1, the present invention is by the modification of epoxy resin and the adjustment of each component of cation photocuring frame glue, prepares and meets the frame glue that OLED encapsulates needs.The frame glue excellent performance that the present invention produces, the frame glue after ultraviolet light polymerization has that water oxygen penetration coefficient is low, few, the bonding strength high of solidification volatile gases, ensure that the life-span of OLED luminous organic material;
2, the present invention adopts cation light initiator, makes only to produce low volatility gas volume in solidification process, ensures that it will cause light decay to exhaust because of the pollution of luminous organic material;
3, the made frame glue of the present invention significantly can reduce water, oxygen penetration coefficient, improves the life-span of luminous organic material;
4, the present invention's made frame glue is not adding any solvent, also under the condition not having toughness properties-correcting agent to participate in, still there is excellent flexility, and after ultraviolet light polymerization, the performances such as its steam penetration coefficient, oxygen penetration rate, bonding strength, volatile gases all meet national standard requirement, are with a wide range of applications.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment
Embodiment 1
The production method of the present embodiment display of organic electroluminescence cationic UV cure frame glue comprises the following steps:
Step one, glycidyl allyl ether and end hydrogen silicone oil is adopted to be reaction raw materials, employing Platinic chloride is catalyzer, glycidyl allyl ether and end hydrogen silicone oil are taken in molar ratio at 4: 1, be that 0.018% of glycidyl allyl ether and end hydrogen silicone oil total mass takes by Platinic chloride by its consumption, then by the glycidyl allyl ether after taking, end hydrogen silicone oil and Platinic chloride add in reactor, be react 8h under the condition of 85 DEG C in temperature, obtain reaction product, respectively FIIR is carried out to reaction product, XRD and gpc analysis, learn that this reaction product is polysiloxane modified epoxy resin by analytical results, after testing, Gardner colourity≤2 of the made polysiloxane modified epoxy resin of the present embodiment, viscosity is 6000cps ~ 8000cps, epoxy equivalent (weight) is 320g/eq ~ 380g/eq, number-average molecular weight is 420 ~ 460,
Step 2, coupling agent and dehydrated alcohol are mixed at 1: 100 in mass ratio, obtaining coupling agent diluent, is then the gas phase SiO of 5 μm by median size
2powder joins in coupling agent diluent, puts into loft drier dry, until dehydrated alcohol volatilizees completely, obtain modification gas phase SiO after mixing
2powder; Described gas phase SiO
2the mass ratio of powder and coupling agent diluent is 1: 1;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder mixes in mass ratio at 1: 0.15: 5: 1.5, obtain display of organic electroluminescence cationic UV cure frame glue, described cation light initiator is preferably cation light initiator Irgacure-261, and described thinner is preferably epoxy active diluent AGE.
The display of organic electroluminescence that the present embodiment is produced is with cationic UV cure frame glue after ultraviolet light polymerization, and its bonding strength is 28.3MPa, and second-order transition temperature is 135.02 DEG C, and steam penetration coefficient is 9.3g/m
2, oxygen penetration rate is 0.021cc/m
2, solidification volatile gases is less than 50 μ g/g, excellent combination property, meets the requirement of display of organic electroluminescence ultraviolet light polymerization frame rubber seal package material.
Embodiment 2
The production method of the present embodiment display of organic electroluminescence cationic UV cure frame glue comprises the following steps:
Step one, glycidyl allyl ether and end hydrogen silicone oil is adopted to be reaction raw materials, employing Platinic chloride is catalyzer, glycidyl allyl ether and end hydrogen silicone oil are taken in molar ratio at 4: 1, be that 0.015% of glycidyl allyl ether and end hydrogen silicone oil total mass takes by Platinic chloride by its consumption, then by the glycidyl allyl ether after taking, end hydrogen silicone oil and Platinic chloride add in reactor, be react 9h under the condition of 82 DEG C in temperature, obtain reaction product, respectively FIIR is carried out to reaction product, XRD and gpc analysis, learn that this reaction product is polysiloxane modified epoxy resin by analytical results, after testing, Gardner colourity≤2 of the made polysiloxane modified epoxy resin of the present embodiment, viscosity is 6000cps ~ 7500cps, epoxy equivalent (weight) is 320g/eq ~ 370g/eq, number-average molecular weight is 420 ~ 450,
Step 2, coupling agent and dehydrated alcohol are mixed at 1: 120 in mass ratio, obtaining coupling agent diluent, is then the gas phase SiO of 5 μm by median size
2powder joins in coupling agent diluent, puts into loft drier dry, until dehydrated alcohol volatilizees completely, obtain modification gas phase SiO after mixing
2powder; Described gas phase SiO
2the mass ratio of powder and coupling agent diluent is 1: 1.2;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder mixes in mass ratio at 1: 0.15: 3: 1, obtain display of organic electroluminescence cationic UV cure frame glue, described cation light initiator is preferably cation light initiator Irgacure-261, and described thinner is preferably epoxy active diluent AGE.
The display of organic electroluminescence that the present embodiment is produced is with cationic UV cure frame glue after ultraviolet light polymerization, and its bonding strength is 28.3MPa, and second-order transition temperature is 137.4 DEG C, and steam penetration coefficient is 10g/m
2, oxygen penetration rate is 0.023cc/m
2, solidification volatile gases is less than 50 μ g/g, excellent combination property, meets the requirement of display of organic electroluminescence ultraviolet light polymerization frame rubber seal package material.
Embodiment 3
The production method of the present embodiment display of organic electroluminescence cationic UV cure frame glue comprises the following steps:
Step one, glycidyl allyl ether and end hydrogen silicone oil is adopted to be reaction raw materials, employing Platinic chloride is catalyzer, glycidyl allyl ether and end hydrogen silicone oil are taken in molar ratio at 5: 1, be that 0.01% of glycidyl allyl ether and end hydrogen silicone oil total mass takes by Platinic chloride by its consumption, then by the glycidyl allyl ether after taking, end hydrogen silicone oil and Platinic chloride add in reactor, be react 6h under the condition of 90 DEG C in temperature, obtain reaction product, respectively FIIR is carried out to reaction product, XRD and gpc analysis, learn that this reaction product is polysiloxane modified epoxy resin by analytical results, after testing, Gardner colourity≤2 of the made polysiloxane modified epoxy resin of the present embodiment, viscosity is 6000cps ~ 7800cps, epoxy equivalent (weight) is 320g/eq ~ 380g/eq, number-average molecular weight is 420 ~ 450,
Step 2, coupling agent and dehydrated alcohol are mixed at 1: 80 in mass ratio, obtaining coupling agent diluent, is then the gas phase SiO of 5 μm by median size
2powder joins in coupling agent diluent, puts into loft drier dry, until dehydrated alcohol volatilizees completely, obtain modification gas phase SiO after mixing
2powder; Described gas phase SiO
2the mass ratio of powder and coupling agent diluent is 1: 1.2;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder mixes in mass ratio at 1: 0.15: 3: 2, obtain display of organic electroluminescence cationic UV cure frame glue, described cation light initiator is preferably cation light initiator Irgacure-261, and described thinner is preferably epoxy active diluent AGE.
The display of organic electroluminescence that the present embodiment is produced is with cationic UV cure frame glue after ultraviolet light polymerization, and its bonding strength is 30.2MPa, and second-order transition temperature is 139.2 DEG C, and steam penetration coefficient is 9.8g/m
2, oxygen penetration rate is 0.022cc/m
2, solidification volatile gases is less than 50 μ g/g, excellent combination property, meets the requirement of display of organic electroluminescence ultraviolet light polymerization frame rubber seal package material.
Embodiment 4
The production method of the present embodiment display of organic electroluminescence cationic UV cure frame glue comprises the following steps:
Step one, glycidyl allyl ether and end hydrogen silicone oil is adopted to be reaction raw materials, employing Platinic chloride is catalyzer, glycidyl allyl ether and end hydrogen silicone oil are taken in molar ratio at 5: 1, be that 0.02% of glycidyl allyl ether and end hydrogen silicone oil total mass takes by Platinic chloride by its consumption, then by the glycidyl allyl ether after taking, end hydrogen silicone oil and Platinic chloride add in reactor, be react 6h under the condition of 80 DEG C in temperature, obtain reaction product, respectively FIIR is carried out to reaction product, XRD and gpc analysis, learn that this reaction product is polysiloxane modified epoxy resin by analytical results, after testing, Gardner colourity≤2 of the made polysiloxane modified epoxy resin of the present embodiment, viscosity is 6500cps ~ 8000cps, epoxy equivalent (weight) is 330g/eq ~ 380g/eq, number-average molecular weight is 430 ~ 460,
Step 2, coupling agent and dehydrated alcohol are mixed at 1: 80 in mass ratio, obtaining coupling agent diluent, is then the gas phase SiO of 5 μm by median size
2powder joins in coupling agent diluent, puts into loft drier dry, until dehydrated alcohol volatilizees completely, obtain modification gas phase SiO after mixing
2powder; Described gas phase SiO
2the mass ratio of powder and coupling agent diluent is 1: 0.8;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder mixes in mass ratio at 1: 0.15: 7: 1, obtain display of organic electroluminescence cationic UV cure frame glue, described cation light initiator is preferably cation light initiator Irgacure-261, and described thinner is preferably epoxy active diluent AGE.
The display of organic electroluminescence that the present embodiment is produced is with cationic UV cure frame glue after ultraviolet light polymerization, and its bonding strength is 27.6MPa, and second-order transition temperature is 131.7 DEG C, and steam penetration coefficient is 9.1g/m
2, oxygen penetration rate is 0.02cc/m
2, solidification volatile gases is less than 50 μ g/g, excellent combination property, meets the requirement of display of organic electroluminescence ultraviolet light polymerization frame rubber seal package material.
Embodiment 5
The production method of the present embodiment display of organic electroluminescence cationic UV cure frame glue comprises the following steps:
Step one, glycidyl allyl ether and end hydrogen silicone oil is adopted to be reaction raw materials, employing Platinic chloride is catalyzer, glycidyl allyl ether and end hydrogen silicone oil are taken in molar ratio at 5: 1, be that 0.01% of glycidyl allyl ether and end hydrogen silicone oil total mass takes by Platinic chloride by its consumption, then by the glycidyl allyl ether after taking, end hydrogen silicone oil and Platinic chloride add in reactor, be react 9h under the condition of 80 DEG C in temperature, obtain reaction product, respectively FIIR is carried out to reaction product, XRD and gpc analysis, learn that this reaction product is polysiloxane modified epoxy resin by analytical results, after testing, Gardner colourity≤2 of the made polysiloxane modified epoxy resin of the present embodiment, viscosity is 6500cps ~ 8000cps, epoxy equivalent (weight) is 340g/eq ~ 380g/eq, number-average molecular weight is 430 ~ 460,
Step 2, coupling agent and dehydrated alcohol are mixed at 1: 120 in mass ratio, obtaining coupling agent diluent, is then the gas phase SiO of 5 μm by median size
2powder joins in coupling agent diluent, puts into loft drier dry, until dehydrated alcohol volatilizees completely, obtain modification gas phase SiO after mixing
2powder; Described gas phase SiO
2the mass ratio of powder and coupling agent diluent is 1: 1.2;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder mixes in mass ratio at 1: 0.15: 7: 2, obtain display of organic electroluminescence cationic UV cure frame glue, described cation light initiator is preferably cation light initiator Irgacure-261, and described thinner is preferably epoxy active diluent AGE.
The display of organic electroluminescence that the present embodiment is produced is with cationic UV cure frame glue after ultraviolet light polymerization, and its bonding strength is 30.3MPa, and second-order transition temperature is 131.3 DEG C, and steam penetration coefficient is 9.2g/m
2, oxygen penetration rate is 0.024cc/m
2, solidification volatile gases is less than 50 μ g/g, excellent combination property, meets the requirement of display of organic electroluminescence ultraviolet light polymerization frame rubber seal package material.
The above is only preferred embodiment of the present invention, not imposes any restrictions the present invention.Every above embodiment is done according to invention technical spirit any simple modification, change and equivalence change, all still belong in the protection domain of technical solution of the present invention.
Claims (8)
1. a display of organic electroluminescence production method for cationic UV cure frame glue, it is characterized in that, the method comprises the following steps:
Step one, employing Platinic chloride are catalyzer, end hydrogen silicone oil and glycidyl allyl ether are reacted 6h ~ 9h under temperature is the condition of 80 DEG C ~ 90 DEG C, obtains polysiloxane modified epoxy resin; The mol ratio of described glycidyl allyl ether and end hydrogen silicone oil is (3 ~ 5): 1, and the consumption of described Platinic chloride is 0.01% ~ 0.02% of described glycidyl allyl ether and end hydrogen silicone oil total mass;
Step 2, by coupling agent and dehydrated alcohol in mass ratio 1: (80 ~ 120) mix, and obtain coupling agent diluent, then by gas phase SiO
2powder and described coupling agent diluent in mass ratio 1: after (0.8 ~ 1.2) mixes, puts into loft drier and is dried to dehydrated alcohol and volatilizees completely, obtain modification gas phase SiO
2powder;
Step 3, by modification gas phase SiO described in polysiloxane modified epoxy resin described in thinner, cation light initiator, step one and step 2
2powder in mass ratio 1: 0.15: (3 ~ 7): (1 ~ 2) mixes, obtain display of organic electroluminescence cationic UV cure frame glue.
2. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, it is characterized in that, Gardner colourity≤2 of polysiloxane modified epoxy resin described in step one, viscosity is 6.0 × 10
3cps ~ 8.0 × 10
3cps, epoxy equivalent (weight) is 320g/eq ~ 380g/eq, and number-average molecular weight is 420 ~ 460.
3. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, it is characterized in that, the mol ratio of glycidyl allyl ether described in step one and end hydrogen silicone oil is 4: 1, the consumption of described Platinic chloride is 0.018% of glycidyl allyl ether and end hydrogen silicone oil total mass, the temperature of described reaction is 85 DEG C, and the time of described reaction is 8h.
4. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, is characterized in that, gas phase SiO described in step 2
2the median size of powder is 5 μm.
5. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, it is characterized in that, coupling agent described in step 2 is silane coupling A-187.
6. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, it is characterized in that, cation light initiator described in step 3 is cation light initiator Irgacure-261.
7. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, it is characterized in that, thinner described in step 3 is epoxy active diluent AGE.
8. the production method of display of organic electroluminescence cationic UV cure frame glue according to claim 1, is characterized in that, thinner described in step 3, cation light initiator, polysiloxane modified epoxy resin and modification gas phase SiO
2the mass ratio of powder is 1: 0.15: 5: 1.5.
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| CN106753139A (en) * | 2017-01-20 | 2017-05-31 | 杭州宝明新材料科技有限公司 | A kind of one-component epoxy resin adhesive of retardation of curing |
| CN108520894A (en) * | 2018-05-31 | 2018-09-11 | 湖畔光电科技（江苏）有限公司 | Colored display module |
| CN108546536A (en) * | 2018-05-17 | 2018-09-18 | 深圳飞世尔新材料股份有限公司 | A kind of OLED frames encapsulation Wear Characteristics of Epoxy Adhesive mixture and preparation method thereof |
| CN110828689A (en) * | 2019-10-16 | 2020-02-21 | 深圳市华星光电技术有限公司 | Packaging structure and display panel |
| CN113105864A (en) * | 2021-03-01 | 2021-07-13 | 华南理工大学 | Epoxy modified organic silicon gel and preparation method and application thereof |
| WO2023108696A1 (en) * | 2021-12-16 | 2023-06-22 | 深圳市华星光电半导体显示技术有限公司 | Organic electroluminescent module and packaging method therefor, and display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753139A (en) * | 2017-01-20 | 2017-05-31 | 杭州宝明新材料科技有限公司 | A kind of one-component epoxy resin adhesive of retardation of curing |
| CN108546536A (en) * | 2018-05-17 | 2018-09-18 | 深圳飞世尔新材料股份有限公司 | A kind of OLED frames encapsulation Wear Characteristics of Epoxy Adhesive mixture and preparation method thereof |
| CN108520894A (en) * | 2018-05-31 | 2018-09-11 | 湖畔光电科技（江苏）有限公司 | Colored display module |
| CN110828689A (en) * | 2019-10-16 | 2020-02-21 | 深圳市华星光电技术有限公司 | Packaging structure and display panel |
| CN113105864A (en) * | 2021-03-01 | 2021-07-13 | 华南理工大学 | Epoxy modified organic silicon gel and preparation method and application thereof |
| WO2023108696A1 (en) * | 2021-12-16 | 2023-06-22 | 深圳市华星光电半导体显示技术有限公司 | Organic electroluminescent module and packaging method therefor, and display device |
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Application publication date: 20150930 |