WO2021109338A1 - 可弯折有机发光二极管显示面板及有机发光二极管显示屏 - Google Patents
可弯折有机发光二极管显示面板及有机发光二极管显示屏 Download PDFInfo
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- WO2021109338A1 WO2021109338A1 PCT/CN2020/075167 CN2020075167W WO2021109338A1 WO 2021109338 A1 WO2021109338 A1 WO 2021109338A1 CN 2020075167 W CN2020075167 W CN 2020075167W WO 2021109338 A1 WO2021109338 A1 WO 2021109338A1
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- Prior art keywords
- layer
- emitting diode
- organic light
- diode display
- light emitting
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- 239000010410 layer Substances 0.000 claims abstract description 116
- 239000012044 organic layer Substances 0.000 claims abstract description 48
- 125000006850 spacer group Chemical group 0.000 claims abstract description 41
- 238000005538 encapsulation Methods 0.000 claims abstract description 22
- 239000004593 Epoxy Substances 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000002346 layers by function Substances 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920002120 photoresistant polymer Polymers 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
-
- 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
- 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
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Definitions
- the present invention relates to a bendable organic light-emitting diode display panel and its organic light-emitting diode display screen, in particular to a bendable organic light-emitting diode display that can reduce the risk of cracks due to bending and improve packaging reliability Panel and its organic light emitting diode display screen.
- OLED Organic light-emitting diode
- the thin film packaging structure of an OLED device is composed of a first inorganic packaging layer, an organic packaging layer, and a second inorganic packaging layer.
- the first inorganic encapsulation layer directly covers the pixel definition layer PDL, and its surface will be uneven due to the topography of the pixel definition layer, so there is a risk of cracks during the panel bending process.
- the thin film packaging structure of the OLED device is composed of a first inorganic packaging layer, an organic packaging layer and a second inorganic packaging layer.
- the first inorganic encapsulation layer directly covers the pixel definition layer PDL, and its surface will be uneven due to the topography of the pixel definition layer, so there is a risk of cracks during the panel bending process.
- the main purpose of the present invention is to provide a bendable organic light emitting diode display panel and its organic light emitting diode display panel.
- the bendable organic light-emitting diode display panel has an encapsulation layer, and the encapsulation layer includes an organic layer, which can be used to fill the gaps of the pixel definition layer in the folding interval of the bendable organic light-emitting diode display panel to enable subsequent configuration
- An inorganic layer on the pixel definition layer has a flat surface, which reduces the risk of cracks in the bendable organic light emitting diode display panel during bending, and improves the service life of the organic light emitting diode display panel.
- an embodiment of the present invention provides a bendable organic light-emitting diode display panel, wherein the bendable organic light-emitting diode display panel includes an effective display area, and the effective display area includes a folding interval, And a first display area and a second display area disposed on both sides of the folding interval, wherein the organic light emitting diode display panel includes:
- a flexible functional layer including a substrate and a plurality of thin film transistor units
- a pixel definition layer disposed on the flat layer
- a first spacer disposed on the pixel definition layer corresponding to a first folding line between the folding interval and the first display area
- a second spacer disposed on the pixel definition layer corresponding to a second folding line between the folding interval and the second display area
- An encapsulation layer covering the pixel definition layer, the first spacer and the second spacer,
- the encapsulation layer includes a first organic layer and a first inorganic layer, the first organic layer is covered in the folding interval, and is restricted by the first spacer and the second spacer In the folding interval; the first inorganic layer is disposed on the first organic layer and completely covers the effective display area.
- the encapsulation layer further includes a second organic layer and a second inorganic layer, the second organic layer and the second inorganic layer sequentially cover the first inorganic layer, And completely cover the effective display area.
- the second organic layer is one or more of acrylic, epoxy, or silicone.
- the edge of the second organic layer is located inside the edge of the first inorganic layer.
- the second inorganic layer is silicon nitride, silicon oxynitride, silicon oxide or aluminum oxide.
- the edge of the second inorganic layer is located outside the edge of the second organic layer.
- the first organic layer is one or more of acrylic, epoxy, or silicone.
- the first spacer and the second spacer are photoresist gap materials.
- the first inorganic layer is silicon nitride, silicon oxynitride, silicon oxide or aluminum oxide.
- another embodiment of the present invention provides an organic light emitting diode, which includes the above-mentioned bendable organic light emitting diode display panel.
- the invention provides a bendable organic light emitting diode display panel and an organic light emitting diode display panel thereof.
- the bendable organic light-emitting diode display panel has an encapsulation layer, and the encapsulation layer includes an organic layer, which can be used to fill the gaps of the pixel definition layer in the folding interval of the bendable organic light-emitting diode display panel to enable subsequent configuration
- An inorganic layer on the pixel definition layer has a flat surface, which reduces the risk of cracks in the bendable organic light emitting diode display panel during bending, and improves the service life of the organic light emitting diode display panel.
- FIG. 1 is a schematic top view of a bendable organic light emitting diode display panel according to an embodiment of the invention.
- FIG. 2 is a schematic cross-sectional view of a bendable organic light emitting diode display panel according to an embodiment of the invention.
- FIG 3 is a schematic diagram of a display area boundary of a bendable organic light emitting diode display panel according to an embodiment of the present invention.
- an embodiment of the present invention provides a bendable organic light emitting diode display panel, which includes an effective display area 10 and a non-display area 20.
- the effective display area 10 includes a first display area 11, a second display area 12 and a folding area 13.
- the first display area 11 and the second display area 12 are respectively disposed on two sides of the folding interval 13.
- the bendable organic light emitting diode display panel can be folded through the first folding line A and the second folding line A'.
- the organic light emitting diode display panel includes: a flexible functional layer 101, a flat layer 102, a pixel definition layer 103, a gap sub-layer 104, a first organic layer 105, a first inorganic layer 106 , A second organic layer 107 and a second inorganic layer 108.
- the flexible functional layer 101 may include a substrate and a plurality of thin film transistor units, such as an array substrate and its protective layer, but is not limited thereto.
- the substrate may be, for example, a flexible plastic substrate.
- the flat layer 102 is disposed on the flexible functional layer 101.
- the pixel definition layer 103 is disposed on the flat layer 101.
- the spacer layer 104 at least includes a first spacer and a second spacer.
- the first spacer is disposed on the pixel definition layer 103 at a position corresponding to the first folding line A between the folding interval 13 and the first display area 11.
- the second spacer is disposed on the pixel definition layer 103 at a position corresponding to the second folding line A'between the folding interval 13 and the second display area 12.
- the first organic layer 105, the first inorganic layer 106, the second organic layer 107, and the second inorganic layer 108 may constitute an encapsulation layer.
- the encapsulation layer is used to cover the pixel definition layer 103, the first spacer and the second spacer to protect the organic light emitting diode display panel.
- the first spacer and the second spacer are photoresist gap materials.
- the first organic layer 105 is mainly covered in the folding interval 13, and is restricted in the folding interval 13 by the first spacer and the second spacer.
- the first inorganic layer 106 is disposed on the first organic layer 105, and completely covers the effective display area 10 (as shown in FIG. 1).
- the pixel definition layer 103 in the folding interval 13 can be made relatively flat, so that the subsequent first inorganic layer 106 has a flat surface in the folding interval 13, and It is less prone to cracks when bent.
- the first organic layer 105 is one or more of acrylic, epoxy, or silicone.
- the first inorganic layer 106 is silicon nitride, silicon oxynitride, silicon oxide, or aluminum oxide.
- the second organic layer 107 and the second inorganic layer 108 sequentially cover the first inorganic layer 106 and also completely cover the effective display area 10.
- the second organic layer 107 is one or more of acrylic, epoxy, or silicone.
- a barrier wall 30 is used on the right side of the second display area 12 to block the second organic layer 107 from overflowing the packaging area.
- a retaining wall is also used on the left side of the first display area 11 to block the second organic layer 107 from overflowing the encapsulation area on the left side.
- the edge of the second organic layer 107 is located inside the edge of the first inorganic layer 106.
- the first inorganic layer 106 covers the pixel definition layer 103 and the barrier wall 30 and extends to an adjacent area on the right side of the barrier wall 30.
- the adjacent area belongs to a part of the non-display area 20.
- the second inorganic layer 108 completely covers the second organic layer 107 and the first inorganic layer 106, and the edge of the second inorganic layer 108 is located on the right side of the retaining wall 30.
- the second inorganic layer 108 is silicon nitride, silicon oxynitride, silicon oxide, or aluminum oxide.
- the edge of the second inorganic layer 108 is located outside the edge of the second organic layer 107.
- the bendable organic light emitting diode display panel of the present invention can also be used for an organic light emitting diode display screen.
- the bendable organic light-emitting diode display panel has an encapsulation layer, and the encapsulation layer includes an organic layer that can be used to fill all
- the gaps of the pixel definition layer in the folding interval of the bendable organic light-emitting diode display panel enable an inorganic layer subsequently disposed on the pixel definition layer to have a flat surface, and reduce the bendable organic light-emitting diode display panel’s
- the risk of cracks during bending increases the service life of the organic light emitting diode display panel.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
本发明公开一种可弯折有机发光二极管显示面板及有机发光二极管显示屏。所述可弯折有机发光二极管显示面板包含一有效显示区以及一非显示区,所述有效显示区包含一折叠区间,以及设置于所述折叠区间两侧的一第一显示区以及一第二显示区,其中所述有机发光二极管显示面板包含一第一间隙子、一第二间隙子以及一封装层。所述封装层包含一第一有机层以及一第一无机层,所述第一有机层披覆于所述折叠区间内,通过所述第一间隙子与所述第二间隙子被限制在所述折叠区间内,所述第一无机层设置于所述第一有机层之上且完全覆盖所述有效显示区。
Description
本发明是有关于一种可弯折有机发光二极管显示面板及其有机发光二极管显示屏,特别是有关于一种可降低弯折产生裂缝的风险,提高封装可靠性的可弯折有机发光二极管显示面板及其有机发光二极管显示屏。
有机发光二极管(OLED)器件具有柔性显示的特性,被认为是新一代的显示技术。在移动设备中,特别是智能手机领域具有广阔的应用前景。随着显示技术的发展,静态弯折、动态弯折等显示产品已经成为众所瞩目的发展目标。
通常,OLED器件的薄膜封装结构由第一无机封装层、有机封装层以及第二无机封装层组成。其中,第一无机封装层直接覆盖在像素定义层PDL上,其表面会因为像素定义层的形貌而凹凸不平,因此在面板弯折过程中存在产生裂缝(Crack)的风险。
故,有必要提供一种可弯折有机发光二极管显示面板及有机发光二极管显示屏,以解决现有技术所存在的问题。
OLED器件的薄膜封装结构由第一无机封装层、有机封装层以及第二无机封装层组成。其中,第一无机封装层直接覆盖在像素定义层PDL上,其表面会因为像素定义层的形貌而凹凸不平,因此在面板弯折过程中存在产生裂缝(Crack)的风险。
本发明的主要目的在于提供一种可弯折有机发光二极管显示面板及其有机发光二极管显示屏。所述可弯折有机发光二极管显示面板具有一封装层,所述封装层包含一有机层,可用于填补所述可弯折有机发光二极管显示面板的折叠区间内的像素定义层空隙,使后续配置于所述像素定义层上的一无机层具有平整的表面,降低所述可弯折有机发光二极管显示面板在弯折中发生裂缝的风险,提高有机发光二极管显示面板的使用寿命。
为达上述目的,本发明的一实施例提供一种可弯折有机发光二极管显示面板,其中所述可弯折有机发光二极管显示面板包含一有效显示区,所述有效显示区包含一折叠区间,以及设置于所述折叠区间两侧的一第一显示区以及一第二显示区,其中所述有机发光二极管显示面板包含:
一柔性功能层,包含一基板以及多个薄膜晶体管单元;
一平坦层,设置于所述柔性功能层上;
一像素定义层,设置于所述平坦层上;
一第一间隙子,设置于所述像素定义层上对应于所述折叠区间与所述第一显示区之间的一第一折叠线处;
一第二间隙子,设置于所述像素定义层上对应于所述折叠区间与所述第二显示区之间的一第二折叠线处;以及
一封装层,覆盖于所述像素定义层、所述第一间隙子以及所述第二间隙子上方,
其中所述封装层包含一第一有机层以及一第一无机层,所述第一有机层披覆于所述折叠区间内,通过所述第一间隙子与所述第二间隙子被限制在所述折叠区间内;所述第一无机层设置于所述第一有机层之上且完全覆盖所述有效显示区。
在本发明的一实施例中,所述封装层还包含一第二有机层以及一第二无机层,所述第二有机层以及第二无机层依序覆盖于所述第一无机层上,且完全覆盖所述有效显示区。
在本发明的一实施例中,所述第二有机层是亚克力、环氧树脂或有机硅的一种或多种。
在本发明的一实施例中,所述第二有机层的边缘位于所述第一无机层的边缘之内侧。
在本发明的一实施例中,所述第二无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
在本发明的一实施例中,所述第二无机层的边缘位于所述第二有机层的边缘之外侧。
在本发明的一实施例中,所述第一有机层是亚克力、环氧树脂或有机硅的一种或多种。
在本发明的一实施例中,所述第一间隙子和所述第二间隙子为光阻间隙材料。
在本发明的一实施例中,所述第一无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
为达上述目的,本发明的另一实施例提供一种有机发光二极管,其包含:如上所述的可弯折有机发光二极管显示面板。
本发明提供一种可弯折有机发光二极管显示面板及其有机发光二极管显示屏。所述可弯折有机发光二极管显示面板具有一封装层,所述封装层包含一有机层,可用于填补所述可弯折有机发光二极管显示面板的折叠区间内的像素定义层空隙,使后续配置于所述像素定义层上的一无机层具有平整的表面,降低所述可弯折有机发光二极管显示面板在弯折中发生裂缝的风险,提高有机发光二极管显示面板的使用寿命。
图1是本发明一实施例的可弯折有机发光二极管显示面板的上视示意图。
图2是本发明一实施例的可弯折有机发光二极管显示面板的剖面示意图。
图3是本发明一实施例的可弯折有机发光二极管显示面板的显示区边界示意图。
以下实施例的说明是参考附加的图式,用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语,例如「上」、「下」、「前」、「后」、「左」、「右」、「顶」、「底」等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本发明,而非用以限制本发明。
请参照图1,本发明的一实施例提供一种可弯折有机发光二极管显示面板,其包含一有效显示区10以及一非显示区20。所述有效显示区10包含一第一显示区11、一第二显示区12以及一折叠区间13。所述第一显示区11与所述第二显示区12分别设置于所述折叠区间13的两侧。所述第一显示区11与所述折叠区间13之间具有一第一折叠线A。所述第二显示区12与所述折叠区间13之间则具有一第二折叠线A’。通过第一折叠线A与第二折叠线A’可将所述可弯折有机发光二极管显示面板进行折叠。
继续参照图2,所述有机发光二极管显示面板包含:一柔性功能层101、一平坦层102、一像素定义层103、一间隙子层104、一第一有机层105、一第一无机层106、一第二有机层107以及一第二无机层108。
所述柔性功能层101可以包含一基板以及多个薄膜晶体管单元,可例如是一阵列基板及其保护层,然不限于此。所述基板可例如是一柔性塑料基板。
所述平坦层102,设置于所述柔性功能层101上。
所述像素定义层103,设置于所述平坦层101上。
所述间隙子层104至少包含一第一间隙子以及一第二间隙子。所述第一间隙子设置于所述像素定义层103上对应于所述折叠区间13与所述第一显示区11之间的所述第一折叠线A处。所述第二间隙子设置于所述像素定义层103上对应于所述折叠区间13与所述第二显示区12之间的所述第二折叠线A’处。所述第一有机层105、所述第一无机层106、所述第二有机层107以及所述第二无机层108可以构成一封装层。所述封装层用于覆盖于所述像素定义层103、所述第一间隙子以及所述第二间隙子上方,以保护有机发光二极管显示面板。
在本发明的一实施例中,所述第一间隙子和所述第二间隙子为光阻间隙材料。
所述第一有机层105主要披覆于所述折叠区间13内,通过所述第一间隙子与所述第二间隙子被限制在所述折叠区间13内。所述第一无机层106则设置于所述第一有机层105之上,且完全覆盖所述有效显示区10(如图1所示)。通过这样的配置方式,可以使所述折叠区间13内的所述像素定义层103形貌较为平坦,从而使得后续所述第一无机层106在所述折叠区间13范围内具有平坦的表面,在弯折时较不易产生裂痕。
在本发明的一实施例中,所述第一有机层105是亚克力、环氧树脂或有机硅的一种或多种。在本发明的一实施例中,所述第一无机层106为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
在本发明的一实施例中,所述第二有机层107以及第二无机层108依序覆盖于所述第一无机层106上,同时也完全覆盖所述有效显示区10。
在本发明的一实施例中,所述第二有机层107是亚克力、环氧树脂或有机硅的一种或多种。
参照图3所示,在本发明的一实施例中,所述第二显示区12的右侧以一挡墙30来挡住所述第二有机层107溢出封装范围。同理,虽然未绘示出,但在所述第一显示区11的左侧也是以一挡墙来挡住所述第二有机层107溢出左侧的封装范围。所述第二有机层107的边缘位于所述第一无机层106的边缘之内侧。所述第一无机层106覆盖所述像素定义层103以及所述挡墙30并延伸至所述挡墙30右侧的一邻近区域。所述邻近区域属于所述非显示区20的一部份。第二无机层108完全覆盖所述第二有机层107以及所述第一无机层106,并且所述第二无机层108的边缘位于所述挡墙30的右侧。在本发明的一实施例中,所述第二无机层108为氮化硅、氮氧化硅、氧化硅或三氧化二铝。在本发明的一实施例中,所述第二无机层108的边缘位于所述第二有机层107的边缘之外侧。
本发明的可弯折有机发光二极管显示面板也可以用于有机发光二极管显示屏。
根据本发明所提供的可弯折有机发光二极管显示面板及其有机发光二极管显示屏,所述可弯折有机发光二极管显示面板具有一封装层,所述封装层包含一有机层,可用于填补所述可弯折有机发光二极管显示面板的折叠区间内的像素定义层空隙,使后续配置于所述像素定义层上的一无机层具有平整的表面,降低所述可弯折有机发光二极管显示面板在弯折中发生裂缝的风险,提高有机发光二极管显示面板的使用寿命。
本发明已由上述相关实施例加以描述,然而上述实施例仅为实施本发明的范例。必需指出的是,已公开的实施例并未限制本发明的范围。相反地,包含于权利要求书的精神及范围的修改及均等设置均包括于本发明的范围内。
Claims (19)
- 一种可弯折有机发光二极管显示面板,其中所述可弯折有机发光二极管显示面板包含一有效显示区,所述有效显示区包含一折叠区间,以及设置于所述折叠区间两侧的一第一显示区以及一第二显示区,其中所述有机发光二极管显示面板包含:一柔性功能层,包含一基板以及多个薄膜晶体管单元;一平坦层,设置于所述柔性功能层上;一像素定义层,设置于所述平坦层上;一第一间隙子,设置于所述像素定义层上对应于所述折叠区间与所述第一显示区之间的一第一折叠线处;一第二间隙子,设置于所述像素定义层上对应于所述折叠区间与所述第二显示区之间的一第二折叠线处;以及一封装层,覆盖于所述像素定义层、所述第一间隙子以及所述第二间隙子上方,其中所述封装层包含一第一有机层以及一第一无机层,所述第一有机层披覆于所述折叠区间内,通过所述第一间隙子与所述第二间隙子被限制在所述折叠区间内;所述第一无机层设置于所述第一有机层之上且完全覆盖所述有效显示区,其中所述第一有机层是亚克力、环氧树脂或有机硅的一种或多种,所述第一间隙子和所述第二间隙子为光阻间隙材料,且所述第一无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
- 一种可弯折有机发光二极管显示面板,其中所述可弯折有机发光二极管显示面板包含一有效显示区,所述有效显示区包含一折叠区间,以及设置于所述折叠区间两侧的一第一显示区以及一第二显示区,其中所述有机发光二极管显示面板包含:一柔性功能层,包含一基板以及多个薄膜晶体管单元;一平坦层,设置于所述柔性功能层上;一像素定义层,设置于所述平坦层上;一第一间隙子,设置于所述像素定义层上对应于所述折叠区间与所述第一显示区之间的一第一折叠线处;一第二间隙子,设置于所述像素定义层上对应于所述折叠区间与所述第二显示区之间的一第二折叠线处;以及一封装层,覆盖于所述像素定义层、所述第一间隙子以及所述第二间隙子上方,其中所述封装层包含一第一有机层以及一第一无机层,所述第一有机层披覆于所述折叠区间内,通过所述第一间隙子与所述第二间隙子被限制在所述折叠区间内;所述第一无机层设置于所述第一有机层之上且完全覆盖所述有效显示区。
- 根据权利要求2所述的可弯折有机发光二极管显示面板,其中所述封装层还包含一第二有机层以及一第二无机层,所述第二有机层以及第二无机层依序覆盖于所述第一无机层上,且完全覆盖所述有效显示区。
- 根据权利要求3所述的可弯折有机发光二极管显示面板,其中所述第二有机层是亚克力、环氧树脂或有机硅的一种或多种。
- 根据权利要求3所述的可弯折有机发光二极管显示面板,其中所述第二有机层的边缘位于所述第一无机层的边缘之内侧。
- 根据权利要求3所述的可弯折有机发光二极管显示面板,其中所述第二无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
- 根据权利要求3所述的可弯折有机发光二极管显示面板,其中所述第二无机层的边缘位于所述第二有机层的边缘之外侧。
- 根据权利要求2所述的可弯折有机发光二极管显示面板,其中所述第一有机层是亚克力、环氧树脂或有机硅的一种或多种。
- 根据权利要求2所述的可弯折有机发光二极管显示面板,其中所述第一间隙子和所述第二间隙子为光阻间隙材料。
- 根据权利要求2所述的可弯折有机发光二极管显示面板,其中所述第一无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
- 一种有机发光二极管显示屏,其中所述有机发光二极管显示屏包含如权利要求2所述的可弯折有机发光二极管显示面板。
- 根据权利要求11所述的有机发光二极管显示屏,其中所述封装层还包含一第二有机层以及一第二无机层,所述第二有机层以及第二无机层依序覆盖于所述第一无机层上,且完全覆盖所述有效显示区。
- 根据权利要求11所述的有机发光二极管显示屏,其中所述第二有机层是亚克力、环氧树脂或有机硅的一种或多种。
- 根据权利要求12所述的有机发光二极管显示屏,其中所述第二有机层的边缘位于所述第一无机层的边缘之内侧。
- 根据权利要求12所述的有机发光二极管显示屏,其中所述第二无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
- 根据权利要求13所述的有机发光二极管显示屏,其中所述第二无机层的边缘位于所述第二有机层的边缘之外侧。
- 根据权利要求11所述的有机发光二极管显示屏,其中所述第一有机层是亚克力、环氧树脂或有机硅的一种或多种。
- 根据权利要求11所述的有机发光二极管显示屏,其中所述第一间隙子和所述第二间隙子为光阻间隙材料。
- 根据权利要求11所述的有机发光二极管显示屏,其中所述第一无机层为氮化硅、氮氧化硅、氧化硅或三氧化二铝。
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2020
- 2020-02-14 US US16/758,429 patent/US11563196B2/en active Active
- 2020-02-14 WO PCT/CN2020/075167 patent/WO2021109338A1/zh active Application Filing
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CN111106259A (zh) | 2020-05-05 |
CN111106259B (zh) | 2021-01-15 |
US11563196B2 (en) | 2023-01-24 |
US20210408467A1 (en) | 2021-12-30 |
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