WO2017177499A1 - 柔性基板的剥离方法 - Google Patents
柔性基板的剥离方法 Download PDFInfo
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- WO2017177499A1 WO2017177499A1 PCT/CN2016/081968 CN2016081968W WO2017177499A1 WO 2017177499 A1 WO2017177499 A1 WO 2017177499A1 CN 2016081968 W CN2016081968 W CN 2016081968W WO 2017177499 A1 WO2017177499 A1 WO 2017177499A1
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- Prior art keywords
- porous metal
- flexible substrate
- metal substrate
- buffer layer
- peeling
- Prior art date
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- 239000000758 substrate Substances 0.000 title claims abstract description 207
- 238000000034 method Methods 0.000 title claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 97
- 239000002184 metal Substances 0.000 claims abstract description 97
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 34
- 239000003792 electrolyte Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 8
- 239000001257 hydrogen Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 10
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 229920000620 organic polymer Polymers 0.000 claims description 8
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 239000008151 electrolyte solution Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 235000010333 potassium nitrate Nutrition 0.000 claims description 4
- 239000004323 potassium nitrate Substances 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- C—CHEMISTRY; METALLURGY
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1218—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or structure of the substrate
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- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68345—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used as a support during the manufacture of self supporting substrates
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- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68381—Details of chemical or physical process used for separating the auxiliary support from a device or wafer
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- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to the field of display technologies, and in particular, to a method for peeling off a flexible substrate.
- a flexible display As an example, it is a method for fabricating a device on a substrate surface made of a flexible material, such as an active-matrix organic light emitting diode (AMOLED), which needs to be first on a rigid substrate surface.
- AMOLED active-matrix organic light emitting diode
- the flexible substrate is prepared or adsorbed, followed by device fabrication, and finally the flexible substrate is stripped from the rigid substrate. Therefore, how to effectively peel the flexible substrate from the rigid substrate is one of the key technologies for producing flexible devices.
- the stripping method of the mainstream flexible display device is carried out by laser ablation, that is, a high-intensity laser is applied at the interface between the polymer flexible substrate and the rigid glass substrate to ablate the polymer of the interface layer, thereby realizing a flexible and rigid substrate. Stripping.
- this method can be mass-produced, the scanning size of the laser directly limits the rate of mass production, and the generated thermal energy may cause greater damage to the flexible display film, so this method is difficult to apply to large-scale flexibility.
- the laser ablation equipment is not only complicated in operation, but also expensive in equipment, resulting in a cost burden. In order to improve product yield and reduce costs, it is extremely urgent to develop a gentle and easy-to-operate and low-cost method.
- LG uses chemical etching of stainless steel substrates to achieve stripping of flexible substrates and rigid substrates, but corrosion of stainless steel chemical liquids to flexible devices. It also has corrosive effects, which leads to a significant reduction in the life of flexible displays.
- Samsung uses the resistance heating detachment technology, which uses heating to detach the substrate from the glass.
- too high a temperature requires an increase in the process to protect the illuminating device, resulting in no guarantee of yield and cost.
- TCL Huaxing Optoelectronics adopts a second rigid substrate embedded between the flexible substrate and the rigid substrate to ensure that the area of the second rigid substrate is smaller than that of the rigid substrate and the flexible substrate, and then cut along the second rigid substrate to realize the flexible substrate and rigidity gently and effectively.
- the peeling of the substrate although the method realizes the separation of the flexible substrate and the rigid substrate, the separation of the flexible substrate and the second rigid substrate faces the same peeling problem, and the damage of the flexible substrate is easily caused. hurt.
- An object of the present invention is to provide a method for peeling a flexible substrate, which is highly efficient and has no damage, can improve the production yield of the flexible substrate, and reduce the production cost.
- the present invention provides a method for peeling a flexible substrate, comprising the following steps:
- Step 1 providing a porous metal substrate, the porous metal substrate is a metal plate having a plurality of holes therein, and forming a buffer layer on the porous metal substrate;
- Step 2 forming a flexible substrate on the buffer layer
- Step 3 providing an electrolysis device, the electrolysis device comprising an electrolysis cell, and an anode disposed in the electrolysis cell;
- Step 4 adding an electrolyte in the electrolytic cell of the electrolysis device
- the multilayer board comprising the flexible substrate, the buffer layer, and the porous metal substrate prepared in the step 2 is placed in the electrolytic cell with the porous metal substrate facing downward, and the porous metal substrate is brought into contact with the electrolyte to
- the porous metal substrate is a cathode, and a power source is connected between the porous metal substrate and the anode to electrolyze water in the electrolyte, and water located in the vicinity of the porous metal substrate and entering the hole in the porous metal substrate is Hydrogen is generated after electrolysis, and the hydrogen exerts a force on the buffer layer to peel the buffer layer from the porous metal substrate to obtain a flexible substrate having a buffer layer at the bottom.
- the material of the porous metal substrate is iron, nickel, or copper.
- the material of the buffer layer is a silicon oxide layer, a silicon nitride layer, or a composite layer composed of a silicon oxide layer and a silicon nitride layer.
- the step 1 forms the buffer layer by a chemical vapor deposition method.
- the material of the flexible substrate is an organic polymer.
- the organic polymer is a polyimide.
- the step 2 further includes: fabricating a device on the flexible substrate.
- the material of the anode of the electrolysis device is carbon, platinum, or gold.
- the side of the porous metal substrate that is away from the flexible substrate is immersed in the electrolyte, and the side close to the flexible substrate is exposed to the outside of the electrolyte.
- the electrolyte is a sulfuric acid solution, a sodium hydroxide solution, a sodium sulfate solution, a potassium nitrate solution, or water.
- the invention also provides a peeling method of a flexible substrate, comprising the following steps:
- Step 1 providing a porous metal substrate, the porous metal substrate is a metal plate having a plurality of holes therein, and forming a buffer layer on the porous metal substrate;
- Step 2 forming a flexible substrate on the buffer layer
- Step 3 providing an electrolysis device, the electrolysis device comprising an electrolysis cell, and an anode disposed in the electrolysis cell;
- Step 4 adding an electrolyte in the electrolytic cell of the electrolysis device
- the multilayer board comprising the flexible substrate, the buffer layer, and the porous metal substrate prepared in the step 2 is placed in the electrolytic cell with the porous metal substrate facing downward, and the porous metal substrate is brought into contact with the electrolyte to
- the porous metal substrate is a cathode, and a power source is connected between the porous metal substrate and the anode to electrolyze water in the electrolyte, and water located in the vicinity of the porous metal substrate and entering the hole in the porous metal substrate is After electrolysis, hydrogen gas is generated, and the hydrogen gas applies a force to the buffer layer, and the buffer layer is peeled off from the porous metal substrate to obtain a flexible substrate with a buffer layer at the bottom;
- the material of the porous metal substrate is iron, nickel, or copper;
- the material of the buffer layer is a silicon oxide layer, a silicon nitride layer, or a composite layer formed by superposing a silicon oxide layer and a silicon nitride layer;
- step 1 is formed by chemical vapor deposition to form the buffer layer
- the material of the flexible substrate is an organic polymer.
- the present invention provides a method for peeling a flexible substrate, comprising: providing a porous metal substrate; forming a buffer layer on the porous metal substrate; forming a flexible substrate on the buffer layer; and placing the flexible substrate Into the electrolytic cell, partially immersing the porous metal substrate in the electrolyte, using the porous metal substrate as a cathode, electrolyzing the water in the electrolyte, releasing hydrogen gas on the porous metal substrate, and applying the flexible substrate under the force of hydrogen And the buffer layer is peeled off from the porous metal substrate to obtain a flexible substrate with a buffer layer at the bottom, the method is high-efficiency and non-destructive, and the production yield of the flexible substrate can be improved; the speed of peeling off the flexible substrate is fast, and the device on the flexible substrate is ensured. It is not affected during the stripping process; in addition, the porous metal substrate can be reused, thereby reducing production costs.
- FIG. 1 is a schematic flow chart of a peeling method of a flexible substrate of the present invention
- FIG. 2 is a schematic view showing the first step of the peeling method of the flexible substrate of the present invention
- step 2 of the peeling method of the flexible substrate of the present invention is a schematic view of step 2 of the peeling method of the flexible substrate of the present invention.
- FIG. 4 is a schematic view showing the step 3 of the peeling method of the flexible substrate of the present invention.
- 5-6 is a schematic view of the step 4 of the peeling method of the flexible substrate of the present invention.
- the present invention provides a method for peeling a flexible substrate, comprising the following steps:
- a porous metal substrate 10 is provided.
- the porous metal substrate 10 is a metal plate having a plurality of fine holes therein, and a buffer layer 20 is formed on the porous metal substrate 10.
- the material of the porous metal substrate 10 may be iron (Fe), nickel (Ni), or copper (Cu).
- the step 1 forms the buffer layer 20 by a chemical vapor deposition method.
- the porous metal plate 10 in the late thermal process can be prevented from affecting the flatness of the bottom of the flexible substrate.
- Step 2 As shown in FIG. 3, a flexible substrate 30 is formed on the buffer layer 20.
- the material of the flexible substrate 30 is an organic polymer such as polyimide (PI).
- step 2 further includes: fabricating the device 40 on the flexible substrate 30.
- the device 40 includes a thin film transistor structure and a light emitting device structure in a conventional OLED structure, and the light emitting device structure includes an electrode layer, a light emitting layer, and the like.
- the internal structure of the device 40 in this embodiment belongs to the prior art, and is not More specific description.
- an electrolysis device 50 is provided.
- the electrolysis device 50 includes an electrolysis cell 51 and an anode 53 disposed in the electrolysis cell 51.
- the material of the anode 53 may be a metal oxide, a metal having a difference in activity compared to the material of the porous metal substrate 10, or a carbon element; preferably, the material of the anode 53 is carbon (C) or platinum. (Pt), or gold (Au).
- Step 4 adding an electrolyte in the electrolytic cell 51 of the electrolysis device 50;
- the multilayer board including the flexible substrate 30, the buffer layer 20, and the porous metal substrate 10 prepared in the step 2 is placed in the electrolytic cell 51 with the porous metal substrate 10 facing downward, so that the porous metal substrate 10 and the porous metal substrate 10 are
- the electrolyte solution is in contact with the porous metal substrate 10 as a cathode, and a power source (not shown) is connected between the porous metal substrate 10 and the anode 53 to electrolyze water in the electrolyte solution, and the porous metal substrate is located on the porous metal substrate.
- Water near the 10 and into the pores inside the porous metal substrate 10 is electrolyzed to generate hydrogen gas (H 2 ), which exerts a force on the buffer layer 20, and the buffer layer 20 is removed from the porous metal substrate.
- the upper substrate 10 is peeled off (as shown in Fig. 5) to obtain a flexible substrate 30 having a buffer layer 20 at the bottom (as shown in Fig. 6).
- the side of the porous metal substrate 10 away from the flexible substrate 30 is immersed in the electrolyte, and the side close to the flexible substrate 30 is exposed to the outside of the electrolyte.
- the electrolyte is a sulfuric acid solution, a sodium hydroxide solution, a sodium sulfate solution, a potassium nitrate solution, or water.
- the present invention provides a method for peeling a flexible substrate, comprising: providing a porous metal substrate; forming a buffer layer on the porous metal substrate; forming a flexible substrate on the buffer layer; and placing the flexible substrate
- the porous metal substrate is partially immersed in the electrolyte, the porous metal substrate is used as a cathode, and the water in the electrolyte is electrolyzed by electrolysis, hydrogen gas is released on the porous metal substrate, and the flexible substrate and the flexible substrate are under the force of hydrogen.
- the buffer layer is peeled off from the porous metal substrate to obtain a flexible substrate with a buffer layer at the bottom.
- the method is efficient and damage-free, and the production yield of the flexible substrate can be improved; the speed of peeling off the flexible substrate is fast, and the device on the flexible substrate is ensured.
- the stripping process is not affected; in addition, the porous metal substrate can be reused, thereby reducing production costs.
Abstract
Description
Claims (16)
- 一种柔性基板的剥离方法,包括如下步骤:步骤1、提供一多孔金属基板,所述多孔金属基板为内部具有多个孔洞的金属板,在所述多孔金属基板上形成缓冲层;步骤2、在所述缓冲层上形成柔性基板;步骤3、提供一电解装置,所述电解装置包括一电解槽、及设于电解槽内的阳极;步骤4、在所述电解装置的电解槽内加入电解液;将所述步骤2制得的包括柔性基板、缓冲层、及多孔金属基板的多层板以多孔金属基板朝下的方式放入所述电解槽中,使多孔金属基板与电解液相接触,以所述多孔金属基板为阴极,在所述多孔金属基板与阳极之间接入电源,对电解液中的水进行电解,位于所述多孔金属基板附近以及进入所述多孔金属基板内部孔洞中的水被电解后产生氢气,所述氢气对所述缓冲层施加作用力,将所述缓冲层从所述多孔金属基板上剥离,得到底部留有缓冲层的柔性基板。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述多孔金属基板的材料为铁、镍、或铜。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述缓冲层的材料为氧化硅层、氮化硅层、或者由氧化硅层与氮化硅层叠加构成的复合层。
- 如权利要求3所述的柔性基板的剥离方法,其中,所述步骤1采用化学气相沉积方法形成所述缓冲层。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述柔性基板的材料为有机聚合物。
- 如权利要求5所述的柔性基板的剥离方法,其中,所述有机聚合物为聚酰亚胺。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述步骤2还包括:在所述柔性基板上制作器件。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述电解装置的阳极的材料为碳、铂、或金。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述步骤4中,所述多孔金属基板上远离所述柔性基板的一侧浸入电解液中,接近所述柔性基板的一侧暴露于电解液之外。
- 如权利要求1所述的柔性基板的剥离方法,其中,所述步骤4中,所述电解液为硫酸溶液、氢氧化钠溶液、硫酸钠溶液、硝酸钾溶液、或者水。
- 一种柔性基板的剥离方法,包括如下步骤:步骤1、提供一多孔金属基板,所述多孔金属基板为内部具有多个孔洞的金属板,在所述多孔金属基板上形成缓冲层;步骤2、在所述缓冲层上形成柔性基板;步骤3、提供一电解装置,所述电解装置包括一电解槽、及设于电解槽内的阳极;步骤4、在所述电解装置的电解槽内加入电解液;将所述步骤2制得的包括柔性基板、缓冲层、及多孔金属基板的多层板以多孔金属基板朝下的方式放入所述电解槽中,使多孔金属基板与电解液相接触,以所述多孔金属基板为阴极,在所述多孔金属基板与阳极之间接入电源,对电解液中的水进行电解,位于所述多孔金属基板附近以及进入所述多孔金属基板内部孔洞中的水被电解后产生氢气,所述氢气对所述缓冲层施加作用力,将所述缓冲层从所述多孔金属基板上剥离,得到底部留有缓冲层的柔性基板;其中,所述多孔金属基板的材料为铁、镍、或铜;其中,所述缓冲层的材料为氧化硅层、氮化硅层、或者由氧化硅层与氮化硅层叠加构成的复合层;其中,所述步骤1采用化学气相沉积方法形成所述缓冲层;其中,所述柔性基板的材料为有机聚合物。
- 如权利要求11所述的柔性基板的剥离方法,其中,所述有机聚合物为聚酰亚胺。
- 如权利要求11所述的柔性基板的剥离方法,其中,所述步骤2还包括:在所述柔性基板上制作器件。
- 如权利要求11所述的柔性基板的剥离方法,其中,所述电解装置的阳极的材料为碳、铂、或金。
- 如权利要求11所述的柔性基板的剥离方法,其中,所述步骤4中,所述多孔金属基板上远离所述柔性基板的一侧浸入电解液中,接近所述柔性基板的一侧暴露于电解液之外。
- 如权利要求11所述的柔性基板的剥离方法,其中,所述步骤4中,所述电解液为硫酸溶液、氢氧化钠溶液、硫酸钠溶液、硝酸钾溶液、或者水。
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CN106312207A (zh) * | 2016-09-26 | 2017-01-11 | 南京航空航天大学 | 采用多孔金属工具阴极微细电解加工阵列微坑的方法 |
CN106711175B (zh) * | 2016-12-14 | 2020-06-16 | 武汉华星光电技术有限公司 | 柔性基板剥离方法 |
CN107299360B (zh) * | 2017-05-22 | 2019-06-11 | 朱可可 | 利用光伏电源电解含硫酸废水工艺 |
WO2019010607A1 (zh) * | 2017-07-10 | 2019-01-17 | 深圳市柔宇科技有限公司 | 柔性基板的剥离方法和剥离设备 |
CN107742618B (zh) * | 2017-10-24 | 2020-07-03 | 京东方科技集团股份有限公司 | 柔性面板的制备方法、柔性面板及显示装置 |
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CN110299466B (zh) * | 2019-06-17 | 2022-06-14 | 纳晶科技股份有限公司 | 一种基板及剥离方法 |
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