WO2019024302A1 - Oled显示面板的柔性基底及其制备方法 - Google Patents
Oled显示面板的柔性基底及其制备方法 Download PDFInfo
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- WO2019024302A1 WO2019024302A1 PCT/CN2017/109461 CN2017109461W WO2019024302A1 WO 2019024302 A1 WO2019024302 A1 WO 2019024302A1 CN 2017109461 W CN2017109461 W CN 2017109461W WO 2019024302 A1 WO2019024302 A1 WO 2019024302A1
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- Prior art keywords
- layer
- silicon oxide
- preparing
- flexible substrate
- polyimide layer
- Prior art date
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- 239000000758 substrate Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004642 Polyimide Substances 0.000 claims abstract description 73
- 229920001721 polyimide Polymers 0.000 claims abstract description 73
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 65
- 239000011521 glass Substances 0.000 claims abstract description 29
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005468 ion implantation Methods 0.000 claims abstract description 16
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 21
- 229920005591 polysilicon Polymers 0.000 claims description 21
- 239000010936 titanium Substances 0.000 claims description 21
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- -1 titanium ions Chemical class 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 159
- 230000006378 damage Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 229910004205 SiNX Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000005224 laser annealing Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/80—Manufacture or treatment specially adapted for the organic devices covered by this subclass using temporary substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
- H10K71/421—Thermal treatment, e.g. annealing in the presence of a solvent vapour using coherent electromagnetic radiation, e.g. laser annealing
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/07—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 buffer layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
Definitions
- the present invention relates to the field of liquid crystal display technologies, and in particular, to a GOA circuit and a liquid crystal display panel having the GOA circuit.
- OLED Organic Light-Emitting Diode
- Organic electroluminescent display also known as organic electroluminescent display
- An important research direction is to select a flexible substrate instead of a conventional glass substrate to achieve the flexibility of the panel.
- Flexible OLED panels have become the new direction of panel development.
- the next generation of flexible OLED panels is based on flexible PI (Polyimide), which requires high performance of PI, minimizes PI defects, and improves flexible OLED panels.
- the yield is prepared, so the damage of PI should be reduced during the preparation of the OLED panel.
- a Buffer layer is conventionally used to solve the problem, in which SiNx (silicon nitride) blocks Al/Ba/Na (aluminum/niobium/sodium) plasma diffusion in the glass substrate.
- SiNx silicon nitride
- SiOx silicon oxide
- SiNx has strong ability to isolate ions.
- the stress in contact with the glass is small, and the interface wetting angle between SiOx and polysilicon is better, so the stacking method of SiNx/SiOx is adopted.
- the SiNx layer does not directly contact the glass substrate, and its effect is limited to the insulation buffering effect.
- the thermal insulation effect of SiOx in the ELA (laser annealing) process is insufficient, which easily leads to the destruction of the PI layer.
- the buffer layer of the flexible substrate of the OLED display panel of the prior art has no obvious effect on the protection of the PI layer, and is likely to cause damage of the PI layer, thereby affecting the quality of the OLED display panel.
- the invention provides a flexible substrate preparation method for an OLED display panel.
- the buffer layer of the flexible substrate can reduce damage of the PI layer by the laser to solve the buffer layer of the flexible substrate of the OLED display panel of the prior art, and the protection effect on the PI layer. Not obvious, it is easy to cause damage to the PI layer, which in turn affects the quality of the OLED display panel.
- the invention provides a method for preparing a flexible substrate of an OLED display panel, the method comprising the following steps:
- Step S10 providing a glass substrate
- the step S10 includes:
- Step S101 preparing a photoresist layer on the surface of the glass substrate
- Step S20 preparing a first polyimide layer on the surface of the glass substrate
- Step S30 preparing a buffer layer on the surface of the first polyimide layer
- the step S30 includes:
- Step S301 preparing a silicon oxide layer on the surface of the first polyimide layer
- Step S302 performing titanium on the silicon oxide layer by using an ion implantation technique.
- Step S40 preparing a polysilicon layer on the surface of the buffer layer.
- the side from the silicon oxide layer away from the first polyimide layer to the silicon oxide layer is close to the first polyimide layer.
- the titanium ion concentration distribution is gradually reduced.
- the relative content of titanium ions on the side of the silicon oxide layer close to the first polyimide layer is zero.
- the method further includes:
- Step S50 preparing a second polyimide layer on the surface of the polysilicon layer.
- the method further includes:
- step S60 the glass substrate is peeled off by laser.
- the present invention also provides a flexible substrate preparation method for another OLED display panel, the method comprising the following steps:
- Step S10 providing a glass substrate
- Step S20 preparing a first polyimide layer on the surface of the glass substrate
- Step S30 preparing a buffer layer on the surface of the first polyimide layer
- the step S30 includes:
- Step S301 preparing a silicon oxide layer on the surface of the first polyimide layer
- Step S302 performing titanium on the silicon oxide layer by using an ion implantation technique.
- Step S40 preparing a polysilicon layer on the surface of the buffer layer.
- the side from the silicon oxide layer away from the first polyimide layer to the silicon oxide layer is close to the first polyimide layer.
- the titanium ion concentration distribution is gradually reduced.
- the relative content of titanium ions on the side of the silicon oxide layer close to the first polyimide layer is zero.
- the method further includes:
- Step S50 preparing a second polyimide layer on the surface of the polysilicon layer.
- the method further includes:
- step S60 the glass substrate is peeled off by laser.
- a flexible substrate prepared using the above-described preparation method comprising:
- a buffer layer is prepared on the surface of the first polyimide layer, the buffer layer comprising:
- a polysilicon layer is prepared on the surface of the buffer layer.
- the titanium is from a side of the silicon oxide layer away from the first polyimide layer to a side of the silicon oxide layer close to the first polyimide layer.
- the ion concentration distribution is gradually reduced.
- the silicon oxide layer has a relative content of titanium ions of 0 near one side of the first polyimide layer.
- a surface of the polysilicon layer is prepared with a second polyimide layer.
- the buffer layer has a film thickness of about 3 times the film thickness of the first polyimide layer.
- the flexible substrate of the OLED provided by the present invention has a buffer layer which increases the absorption amount of the ultraviolet laser and reduces the transmittance of the ultraviolet laser.
- the buffer layer of the flexible substrate of the prior art OLED display panel is solved, the protection effect on the PI layer is not obvious, and the damage of the PI layer is easily caused, thereby affecting the OLED.
- FIG. 2 is a schematic view showing the structure of a flexible substrate prepared by the preparation method of the present invention.
- the present invention is directed to the buffer layer of the flexible substrate of the existing OLED display panel, the protection effect on the PI layer is not obvious, and the damage of the PI layer is easily caused, thereby affecting the quality of the OLED display panel.
- This embodiment can solve the defect.
- a method for preparing a flexible substrate for an OLED display panel includes the following steps:
- step S10 a glass substrate is provided.
- Step S20 preparing a first polyimide layer on the surface of the glass substrate.
- Step S30 preparing a buffer layer on the surface of the first polyimide layer. Further, the step S30 includes: step S301, preparing a silicon oxide layer on the surface of the first polyimide layer; and step S302, performing titanium ion implantation on the silicon oxide layer by ion implantation to form titanium oxide and oxidizing A mixed layer of silicon.
- Step S40 preparing a polysilicon layer on the surface of the buffer layer.
- the first polyimide layer has high bending property and impact resistance as a protective layer of the flexible substrate and the OLED display panel.
- the buffer layer prepared in the step S30 when the OLED display panel is in the laser annealing process, the buffer layer can reduce the transmittance of the ultraviolet laser, thereby reducing the damage of the ultraviolet laser to the first polyimide layer.
- a TFT (thin film transistor) layer and an OLED light emitting layer are prepared on the surface of the flexible substrate.
- the glass lining provided in step S10 is performed by using an ultraviolet laser. The bottom peeling, at this time, the buffer layer reduces the transmittance of the ultraviolet laser to prevent the ultraviolet laser from injuring the TFT layer through the flexible substrate.
- the method further includes: Step S101, preparing a photoresist layer on the surface of the glass substrate; the first polyimide layer is prepared on the surface of the photoresist layer.
- Step S101 preparing a photoresist layer on the surface of the glass substrate; the first polyimide layer is prepared on the surface of the photoresist layer.
- the photoresist layer can prevent damage caused by the ultraviolet laser light passing through the glass substrate on the first polyimide layer; after the glass substrate is peeled off, The photoresist layer is peeled off.
- a thick silicon oxide layer is prepared on the surface of the first polyimide layer, and the silicon oxide layer has a better heat preservation effect, which can reduce the crystallization process of the polysilicon in the step S40. The heat is lost, which is conducive to the formation of relatively large grains.
- the silicon oxide layer is implanted with titanium ions by an ion implantation technique to form a mixed layer of titanium oxide and silicon oxide.
- the grain size of titanium dioxide is controlled within the nanometer range, which has a strong barrier effect on ultraviolet light.
- the lateral area of the ion implantation and the implantation depth are controlled by controlling the energy of the ion beam.
- the distribution of the titanium ions in the lateral distribution is infinitely close to the range of the silicon oxide layer, and the titanium ions are in the longitudinal distribution, away from the first polyglycan from the silicon oxide layer. From one side of the imide layer to the side of the silicon oxide layer adjacent to the first polyimide layer, the titanium ion concentration distribution is gradually reduced, thereby reducing the possibility of conduction of the silicon oxide layer.
- a relatively low content of titanium ions on a side of the silicon oxide layer adjacent to the first polyimide layer is 0; an undoped region is included in the silicon oxide layer, and the undoped region is located in the silicon oxide layer a position in the layer close to the first polyimide layer; no titanium ions are implanted into the undoped region, and the undoped region serves as an isolation region to prevent titanium dioxide from affecting the insulating effect of the silicon oxide layer.
- a polysilicon layer is prepared on the surface of the buffer layer, and the polysilicon may be replaced by amorphous silicon.
- the method further includes a step S50, preparing a second polyimide layer on the surface of the polysilicon layer, the second polyimide layer and the second polyimide layer being used together as the a protective layer of the flexible substrate; the polysilicon layer in the step S40 is used as a bonding layer of the second polyimide layer and the buffer layer.
- the method further includes: S60, peeling off the glass substrate by using a laser to form the flexible substrate; wherein, after the step S50, before the step S60, the step S501 is further included.
- the flexible substrate comprises: a first polyimide layer 101; a buffer layer 102, which is prepared from the first polyimide.
- the surface of the imide layer 101, the buffer layer 102 includes: a silicon oxide layer 1021 prepared on the surface of the first polyimide layer 101; wherein the silicon oxide layer 1021 is implanted with titanium ions 1022; the polysilicon layer 103 Prepared on the surface of the buffer layer 102.
- the concentration distribution of the titanium ion 1022 is gradually reduced.
- the relative content of the titanium ions 1022 of the silicon oxide layer 1021 near one side of the first polyimide layer 101 is 0; the silicon oxide layer 1021 includes an undoped region. 104, the undoped region 104 is located in the silicon oxide layer 1021 near the first polyimide layer 101; the undoped region 104 is not implanted with titanium ions 1022, the undoped The region 104 serves as an isolation region to prevent titanium dioxide from affecting the insulating effect of the silicon oxide layer 1021.
- a surface of the polysilicon layer 103 is prepared with a second polyimide layer.
- the buffer layer 102 has a film thickness of about 3 times the film thickness of the first polyimide layer 101.
- the flexible substrate of the preferred embodiment is produced by the flexible substrate preparation method of the OLED display panel of the above preferred embodiment, and the specific principle is the same as the preparation method of the above preferred embodiment, and details are not described herein.
- the flexible substrate of the OLED provided by the present invention has a buffer layer which increases the absorption amount of the ultraviolet laser and reduces the transmittance of the ultraviolet laser.
- the buffer layer of the flexible substrate of the prior art OLED display panel is solved, the protection effect on the PI layer is not obvious, and the damage of the PI layer is easily caused, thereby affecting the OLED.
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (15)
- OLED显示面板的柔性基底制备方法,其中,所述方法包括以下步骤:步骤S10,提供一玻璃衬底;所述步骤S10包括:步骤S101,在所述玻璃衬底表面制备光阻层;步骤S20,在所述玻璃衬底表面制备第一聚酰亚胺层;步骤S30,在所述第一聚酰亚胺层表面制备缓冲层;所述步骤S30包括:步骤S301,在所述第一聚酰亚胺层表面制备氧化硅层;步骤S302,利用离子注入技术,对所述氧化硅层进行钛离子注入,形成二氧化钛与氧化硅的混合层;步骤S40,在所述缓冲层表面制备多晶硅层。
- 根据权利要求1所述的柔性基底制备方法,其中,在所述步骤S302中,自所述氧化硅层远离所述第一聚酰亚胺层的一侧至所述氧化硅层靠近所述第一聚酰亚胺层的一侧,所述钛离子浓度分布逐渐减少。
- 根据权利要求2所述的柔性基底制备方法,其中,在所述步骤S302中,所述氧化硅层靠近所述第一聚酰亚胺层的一侧的钛离子相对含量为0。
- 根据权利要求1所述的柔性基底制备方法,其中,在所述步骤S40之后,还包括:步骤S50,在所述多晶硅层表面制备第二聚酰亚胺层。
- 根据权利要求4所述的柔性基底制备方法,其中,在所述步骤S50之后,还包括:步骤S60,利用激光剥离所述玻璃衬底。
- OLED显示面板的柔性基底制备方法,其中,所述方法包括以下步骤:步骤S10,提供一玻璃衬底;步骤S20,在所述玻璃衬底表面制备第一聚酰亚胺层;步骤S30,在所述第一聚酰亚胺层表面制备缓冲层;所述步骤S30包括:步骤S301,在所述第一聚酰亚胺层表面制备氧化硅层;步骤S302,利用离子注入技术,对所述氧化硅层进行钛离子注入,形成二氧化钛与氧化硅的混合层;步骤S40,在所述缓冲层表面制备多晶硅层。
- 根据权利要求6所述的柔性基底制备方法,其中,在所述步骤S302中,自所述氧化硅层远离所述第一聚酰亚胺层的一侧至所述氧化硅层靠近所述第一聚酰亚胺层的一侧,所述钛离子浓度分布逐渐减少。
- 根据权利要求7所述的柔性基底制备方法,其中,在所述步骤S302中,所述氧化硅层靠近所述第一聚酰亚胺层的一侧的钛离子相对含量为0。
- 根据权利要求6所述的柔性基底制备方法,其中,在所述步骤S40之后,还包括:步骤S50,在所述多晶硅层表面制备第二聚酰亚胺层。
- 根据权利要求9所述的柔性基底制备方法,其中,在所述步骤S50之后,还包括:步骤S60,利用激光剥离所述玻璃衬底。
- 一种如权利要求6所述的制备方法制备的柔性基底,其中,所述柔性基底包括:第一聚酰亚胺层;缓冲层,制备于所述第一聚酰亚胺层表面,所述缓冲层包括:氧化硅层,制备于所述第一聚酰亚胺层表面;其中,所述氧化硅层内注入有钛离子;多晶硅层,制备于所述缓冲层表面。
- 根据权利要求11所述的柔性基底,其中,自所述氧化硅层远离所述第一聚酰亚胺层的一侧至所述氧化硅层靠近所述第一聚酰亚胺层的一侧,所述钛离子浓度分布逐渐减少。
- 根据权利要求12所述的柔性基底,其中,所述氧化硅层靠近所述第一聚酰亚胺层的一侧的钛离子相对含量为0。
- 根据权利要求11所述的柔性基底,其中,所述多晶硅层表面制备有第二聚酰亚胺层。
- 根据权利要求11所述的柔性基底,其中,所述缓冲层的膜层厚度约为所述第一聚酰亚胺层的膜层厚度的3倍。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020504665A JP7130028B2 (ja) | 2017-08-04 | 2017-11-06 | Oled表示パネルのフレキシブル基板及びその製造方法 |
US15/580,236 US10263202B2 (en) | 2017-08-04 | 2017-11-06 | Flexible base plate of OLED display panel and method for manufacturing the same |
EP17920328.6A EP3664178B1 (en) | 2017-08-04 | 2017-11-06 | Flexible substrate of oled display panel and method for preparing same |
KR1020207006227A KR102362552B1 (ko) | 2017-08-04 | 2017-11-06 | Oled 디스플레이 패널의 가요성 기판 및 이의 제조 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710660404.7A CN107507929B (zh) | 2017-08-04 | 2017-08-04 | Oled显示面板的柔性基底及其制备方法 |
CN201710660404.7 | 2017-08-04 |
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WO2019024302A1 true WO2019024302A1 (zh) | 2019-02-07 |
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PCT/CN2017/109461 WO2019024302A1 (zh) | 2017-08-04 | 2017-11-06 | Oled显示面板的柔性基底及其制备方法 |
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EP (1) | EP3664178B1 (zh) |
JP (1) | JP7130028B2 (zh) |
KR (1) | KR102362552B1 (zh) |
CN (1) | CN107507929B (zh) |
WO (1) | WO2019024302A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111430301A (zh) * | 2020-04-01 | 2020-07-17 | 深圳市华星光电半导体显示技术有限公司 | 柔性显示面板的制作方法 |
CN111863927A (zh) * | 2020-08-21 | 2020-10-30 | 京东方科技集团股份有限公司 | 柔性显示基板和柔性显示装置 |
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US10522770B2 (en) | 2017-12-28 | 2019-12-31 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Fabricating method of flexivle panel and flexible display device |
CN108230904A (zh) * | 2017-12-28 | 2018-06-29 | 武汉华星光电半导体显示技术有限公司 | 一种柔性面板的制备方法及柔性显示装置 |
CN108831911B (zh) * | 2018-06-12 | 2019-08-13 | 武汉华星光电半导体显示技术有限公司 | 一种柔性有机发光二极管显示器及其制作方法 |
CN108807484A (zh) * | 2018-06-22 | 2018-11-13 | 武汉华星光电半导体显示技术有限公司 | 柔性显示面板及其制造方法 |
CN109616575A (zh) * | 2018-12-10 | 2019-04-12 | 武汉华星光电半导体显示技术有限公司 | 柔性显示面板及其制作方法 |
CN109904106B (zh) * | 2019-02-28 | 2021-12-14 | 云谷(固安)科技有限公司 | 柔性显示面板及柔性显示面板的制备方法 |
CN112071796B (zh) * | 2020-09-03 | 2023-06-02 | 深圳市华星光电半导体显示技术有限公司 | 柔性基板及其制作方法、柔性显示装置 |
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EP3664178B1 (en) | 2022-08-10 |
KR102362552B1 (ko) | 2022-02-14 |
JP7130028B2 (ja) | 2022-09-02 |
EP3664178A1 (en) | 2020-06-10 |
CN107507929A (zh) | 2017-12-22 |
CN107507929B (zh) | 2019-04-16 |
EP3664178A4 (en) | 2021-05-05 |
JP2020529045A (ja) | 2020-10-01 |
KR20200034792A (ko) | 2020-03-31 |
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