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WO2017156801A1 - 具有双面显示的oled显示装置及其制作方法 - Google Patents

具有双面显示的oled显示装置及其制作方法 Download PDF

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Publication number
WO2017156801A1
WO2017156801A1 PCT/CN2016/078264 CN2016078264W WO2017156801A1 WO 2017156801 A1 WO2017156801 A1 WO 2017156801A1 CN 2016078264 W CN2016078264 W CN 2016078264W WO 2017156801 A1 WO2017156801 A1 WO 2017156801A1
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Prior art keywords
flexible substrate
oled
substrate
transmissive
reflective
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PCT/CN2016/078264
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English (en)
French (fr)
Inventor
黄志杰
梁博
王威
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武汉华星光电技术有限公司
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Priority to US15/111,230 priority Critical patent/US10192940B2/en
Publication of WO2017156801A1 publication Critical patent/WO2017156801A1/zh
Priority to US16/258,768 priority patent/US10586835B2/en

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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
    • H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
    • 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
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/10—Organic polymers or oligomers
    • H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
    • 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
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3031—Two-side emission, e.g. transparent OLEDs [TOLED]
    • 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
    • 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
    • H10K50/85—Arrangements for extracting light from the devices
    • H10K50/856—Arrangements for extracting light from the devices comprising reflective means
    • 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
    • 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
    • H10K59/1201—Manufacture or treatment
    • 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
    • H10K59/875—Arrangements for extracting light from the devices
    • H10K59/878—Arrangements for extracting light from the devices comprising reflective means
    • 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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention belongs to the field of display technologies, and in particular, to an OLED display device having a double-sided display and a method of fabricating the same.
  • the double-sided display device can be applied to mobile electronic devices such as mobile phones and palmtop computers, and can also be applied to businesses such as banks and supermarkets.
  • organic light-emitting diode (OLED) display technology requires no backlight and has self-luminous characteristics. It uses a very thin coating of organic materials and a glass substrate. When a current is passed, these organic materials are used. Will shine. Moreover, the OLED display can be made lighter and thinner, has a larger viewing angle, and can significantly save power.
  • OLED organic light-emitting diode
  • the flexible display has the outstanding advantages of being light, thin, foldable and portable, and can realize double-sided display and ultra-thin and portable characteristics.
  • an object of the present invention is to provide an OLED display device having a double-sided display, comprising: a rigid substrate; a transmissive flexible substrate and a reflective flexible substrate disposed on the hard substrate a display substrate having a plurality of switching elements disposed on the transmissive flexible substrate and the reflective flexible substrate; and a top emission OLED luminescent layer and a bottom emission OLED luminescent layer disposed on the display substrate, wherein the bottom emission An OLED layer is opposite the transmissive flexible substrate, the top emitting OLED luminescent layer being opposite the reflective flexible substrate.
  • the number of the transmissive flexible substrate and the reflective flexible substrate is one; correspondingly, the number of the top emission OLED luminescent layer and the bottom emission OLED luminescent layer is one.
  • the number of the transmissive flexible substrates is one, and the number of the reflective flexible substrates is two, wherein two of the reflective flexible substrates are respectively disposed on opposite sides of the transmissive flexible substrate; correspondingly, The number of the top emitting OLED light emitting layers is two, and the number of the bottom emitting OLED light emitting layers is one, wherein the two top emitting OLED light emitting layers are opposite to the two reflective flexible substrates.
  • the number of the transmissive flexible substrate and the reflective flexible substrate are both plural, wherein a plurality of the reflective flexible substrate and the plurality of transmissive flexible substrates are alternately disposed; correspondingly, the top emitting OLED emits light
  • the number of layers and the bottom-emitting OLED light-emitting layer are both plural, wherein a plurality of the top-emitting OLED light-emitting layers and a plurality of the bottom-emitting OLED light-emitting layers are alternately disposed.
  • Another object of the present invention is to provide a method for fabricating an OLED display device having a double-sided display, comprising: providing a rigid substrate; forming a transmissive flexible substrate and a reflective flexible substrate on the rigid substrate; Forming a display substrate having a plurality of switching elements on the transmissive flexible substrate and the reflective flexible substrate; forming a top emitting OLED emitting layer and a bottom emitting OLED emitting layer on the display substrate; wherein the bottom emitting OLED layer and the The transmissive flexible substrate is opposite to the reflective flexible substrate.
  • a transmissive flexible substrate and a reflective flexible substrate are formed on the rigid substrate; correspondingly, a top emission OLED luminescent layer and a bottom emission OLED luminescent layer are formed on the display substrate.
  • a transmissive flexible substrate and two reflective flexible substrates respectively located on opposite sides of the transmissive flexible substrate are formed on the rigid substrate; correspondingly, one of the bottom emission is formed on the display substrate
  • a plurality of the transmissive flexible substrates and a plurality of the reflective flexible substrates disposed alternately are formed on the rigid substrate; correspondingly, a plurality of the top-emitting OLEDs alternately disposed on the display substrate are formed on the display substrate a light emitting layer and a plurality of the bottom emitting OLED light emitting layers; wherein the bottom emitting OLED The layer is opposite to the transmissive flexible substrate, and the top emission OLED light emitting layer is opposite to the reflective flexible substrate.
  • the transmissive flexible substrate is formed of one or a combination of at least two of transparent polyimide, polyetherimide, polyphenylene sulfide, polyarylate; the reflective flexible substrate is made of yellow One or a combination of at least two of polyimide, polyetherimide, polyphenylene sulfide, polyarylate is formed.
  • the OLED display device of the present invention is capable of realizing double-sided display, and because it utilizes a flexible substrate, it also has the advantages of portability and flexibility.
  • FIG. 1 is a schematic structural view of an OLED display device having a double-sided display according to a first embodiment of the present invention
  • FIG. 2 is a flow chart showing a method of fabricating an OLED display device having a double-sided display according to a first embodiment of the present invention
  • FIG. 3 is a schematic structural view of an OLED display device having a double-sided display according to a second embodiment of the present invention.
  • FIG. 4 is a flow chart showing a method of fabricating an OLED display device having a double-sided display according to a second embodiment of the present invention
  • FIG. 5 is a schematic structural view of an OLED display device having a double-sided display according to a third embodiment of the present invention.
  • FIG. 6 is a flow chart of a method of fabricating an OLED display device having a double-sided display in accordance with a third embodiment of the present invention.
  • 1 is a schematic structural view of an OLED display device having a double-sided display according to a first embodiment of the present invention.
  • 2 is a flow chart of a method of fabricating an OLED display device having a double-sided display according to a first embodiment of the present invention.
  • a rigid substrate 110 is provided.
  • the hard substrate 110 may be made of a transparent material such as glass or quartz, but the invention is not limited thereto.
  • a transmissive flexible substrate 120 and a reflective flexible substrate 130 are formed on the rigid substrate 110.
  • the number of the transmissive flexible substrate 120 and the reflective flexible substrate 130 is one, but the invention is not limited thereto.
  • the transmissive flexible substrate 120 is formed of one or a combination of at least two of transparent polyimide, polyetherimide, polyphenylene sulfide, polyarylate; and the reflective flexible substrate 130 is composed of yellow poly One or a combination of at least two of an imide, a polyetherimide, a polyphenylene sulfide, and a polyarylate is formed.
  • the transmissive flexible substrate 120 and the reflective flexible substrate 130 may be made at different times or simultaneously.
  • the thickness of the transmissive flexible substrate 120 and the reflective flexible substrate 130 are the same, but the area occupied by the transmissive flexible substrate 120 and the area occupied by the reflective flexible substrate 130 (ie, the planar area of the top view) may be the same or may be different.
  • a display substrate 140 having a plurality of switching elements is formed on the transmissive flexible substrate 120 and the reflective flexible substrate 130.
  • the switching element can be, for example, a thin film crystal Tube TFT.
  • the thin film transistor TFT described herein may use a-Si (amorphous silicon), LTPS (low temperature polysilicon), oxide (oxide semiconductor), CNT (carbon nanotube), Graphene (graphene) or the like as an active source.
  • a-Si amorphous silicon
  • LTPS low temperature polysilicon
  • oxide oxide
  • CNT carbon nanotube
  • Graphene graphene
  • a top emission OLED light emitting layer 150 and a bottom emission OLED light emitting layer 160 are formed on the display substrate 140.
  • the number of the top emission OLED light-emitting layer 150 and the bottom emission OLED light-emitting layer 160 is one, but the invention is not limited thereto.
  • the bottom emission OLED light emitting layer 160 is opposite to the transmissive flexible substrate 120 to realize transmissive display; the top emission OLED light emitting layer 150 is opposite to the reflective flexible substrate 130 to realize reflective display.
  • the OLED display device according to the embodiment of the present invention can realize double-sided display, and the OLED display device according to the embodiment of the present invention can be bent at the junction of the transmissive flexible substrate 120 and the reflective flexible substrate 130, thereby forming Double-sided display at a specific angle.
  • FIG. 3 is a schematic structural view of an OLED display device having a double-sided display according to a second embodiment of the present invention.
  • 4 is a flow chart of a method of fabricating an OLED display device having a double-sided display in accordance with a second embodiment of the present invention.
  • a rigid substrate 110 is provided.
  • the hard substrate 110 may be made of a transparent material such as glass or quartz, but the invention is not limited thereto.
  • a transmissive flexible substrate 120 and two reflective flexible substrates 130 are formed on the rigid substrate 110.
  • the two reflective flexible substrates 130 are disposed on opposite sides of a transmissive flexible substrate 120.
  • the number of the transmissive flexible substrates 120 is one, and the number of the reflective flexible substrates 130 is two, but the present invention is not limited thereto.
  • the transmissive flexible substrate 120 is formed of one or a combination of at least two of transparent polyimide, polyetherimide, polyphenylene sulfide, polyarylate; and the reflective flexible substrate 130 is composed of yellow poly One or a combination of at least two of an imide, a polyetherimide, a polyphenylene sulfide, and a polyarylate is formed.
  • the transmissive flexible substrate 120 and the reflective flexible substrate 130 may be sequentially Made at the same time, it can also be made at the same time.
  • the thickness of the transmissive flexible substrate 120 and the reflective flexible substrate 130 are the same, but the area occupied by the transmissive flexible substrate 120 and the area occupied by the reflective flexible substrate 130 (ie, the planar area of the top view) may be the same or may be different.
  • a display substrate 140 having a plurality of switching elements is formed on the transmissive flexible substrate 120 and the reflective flexible substrate 130.
  • the switching element may be, for example, a thin film transistor TFT.
  • the thin film transistor TFT described herein may use a-Si (amorphous silicon), LTPS (low temperature polysilicon), Oxide (oxide semiconductor), CNT (carbon nanotube), Graphene (graphene) or the like as an active source.
  • a-Si amorphous silicon
  • LTPS low temperature polysilicon
  • Oxide oxide semiconductor
  • CNT carbon nanotube
  • Graphene graphene
  • step S440 two top emission OLED light emitting layers 150 and one bottom emission OLED light emitting layer 160 are formed on the display substrate 140.
  • the number of the top emission OLED light emitting layers 150 is two, and the number of the bottom emission OLED light emitting layers 160 is one, but the present invention is not limited thereto.
  • a bottom-emitting OLED light-emitting layer 160 is opposite to a transmissive flexible substrate 120 for transmissive display; two top-emitting OLED light-emitting layers 150 are opposite to the two reflective flexible substrates 130 to achieve reflective display, respectively.
  • the OLED display device according to the embodiment of the present invention can realize double-sided display, and the OLED display device according to the embodiment of the present invention can be bent at the junction of the transmissive flexible substrate 120 and the reflective flexible substrate 130, thereby forming Double-sided display at a specific angle.
  • FIG. 5 is a schematic structural view of an OLED display device having a double-sided display according to a third embodiment of the present invention.
  • 6 is a flow chart of a method of fabricating an OLED display device having a double-sided display in accordance with a third embodiment of the present invention.
  • a rigid substrate 110 is provided.
  • the hard substrate 110 may be made of a transparent material such as glass or quartz, but the invention is not limited thereto.
  • step S620 a plurality of transmissive flexible substrates 120 and a plurality of reflective flexible substrates 130 are formed on the rigid substrate 110. Wherein, the plurality of transmissive flexible substrates 120 and the plurality of reflective flexible substrates 130 are alternately disposed.
  • the transmissive flexible substrate 120 is formed of one or a combination of at least two of transparent polyimide, polyetherimide, polyphenylene sulfide, polyarylate; and the reflective flexible substrate 130 is composed of yellow poly One or a combination of at least two of an imide, a polyetherimide, a polyphenylene sulfide, and a polyarylate is formed.
  • the transmissive flexible substrate 120 and the reflective flexible substrate 130 may be made at different times or simultaneously.
  • the thickness of the transmissive flexible substrate 120 and the reflective flexible substrate 130 are the same, but the area occupied by the transmissive flexible substrate 120 and the area occupied by the reflective flexible substrate 130 (ie, the planar area of the top view) may be the same or may be different.
  • a display substrate 140 having a plurality of switching elements is formed on the transmissive flexible substrate 120 and the reflective flexible substrate 130.
  • the switching element may be, for example, a thin film transistor TFT.
  • the thin film transistor TFT described herein may use a-Si (amorphous silicon), LTPS (low temperature polysilicon), Oxide (oxide semiconductor), CNT (carbon nanotube), Graphene (graphene) or the like as an active source.
  • a-Si amorphous silicon
  • LTPS low temperature polysilicon
  • Oxide oxide semiconductor
  • CNT carbon nanotube
  • Graphene graphene
  • step S640 a plurality of top emission OLED light emitting layers 150 and a plurality of bottom emission OLED light emitting layers 160 are formed on the display substrate 140. Wherein, the plurality of top emission OLED light emitting layers 150 and the plurality of bottom emission OLED light emitting layers 160 are alternately arranged.
  • the plurality of bottom-emitting OLED light-emitting layers 160 are opposite to the plurality of transmissive flexible substrates 120 to achieve transmissive display; the plurality of top-emitting OLED light-emitting layers 150 are opposite to the plurality of reflective flexible substrates 130, respectively, to achieve Reflective display. It should be noted that when the line widths of the transmissive flexible substrate 120 and the reflective flexible substrate 130 are sufficiently thin, for example, to the extent that the naked eye cannot be resolved, the OLED display device according to an embodiment of the present invention can realize a double-back display that is completely back-to-back.
  • the OLED display device according to the embodiment of the present invention can realize double-sided display, and the OLED display device according to the embodiment of the present invention can be bent at the junction of the transmissive flexible substrate 120 and the reflective flexible substrate 130, thereby forming A specific angle or a double-sided display with a specific shape.

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Abstract

一种具有双面显示的OLED显示装置及其制造方法。显示装置包括：硬质基板（110）；设置于硬质基板（110）上的透射柔性基板（120）和反射柔性基板（130）；设置于透射柔性基板（120）和反射柔性基板（130）上的具有若干开关元件的显示基板（140）；以及设置于显示基板（140）上的顶发射OLED发光层（150）和底发射OLED发光层（160），其中，顶发射OLED层（150）与反射柔性基板（130）相对，底发射OLED发光层（160）与透射柔性基板（120）相对。

Description

具有双面显示的OLED显示装置及其制作方法 技术领域
本发明属于显示技术领域，具体地讲，涉及一种具有双面显示的OLED显示装置及其制作方法。
背景技术
随着科技发展以及人们对产品要求的提高，显示装置不再局限于单面显示，具有双面显示的双面显示装置应运而生。双面显示装置可以应用于手机、掌上电脑等移动电子设备上，也可应用于银行、超市等场所进行业务办理。
有机发光二极管(OLED)显示技术与传统的LCD显示技术不同，其无需背光灯，且具有自发光的特性，采用非常薄的有机材料涂层和玻璃基板，当有电流通过时，这些有机材料就会发光。而且OLED显示屏可以做得更轻更薄，可视角度更大，并且能够显著节省电能。
此外，柔性显示器具有轻、薄、可折叠和便携等的突出优点，既可以实现双面显示，又具有超薄、便携的特点。
因此，如何提供一种能够实现双面显示的柔性OLED显示器是亟需解决的一个问题。
发明内容
为了解决上述现有技术存在的问题，本发明的目的在于提供一种具有双面显示的OLED显示装置，其包括：硬质基板；设置于所述硬质基板上的透射柔性基板和反射柔性基板；设置于所述透射柔性基板和所述反射柔性基板的具有若干开关元件的显示基板；以及设置于所述显示基板上的顶发射OLED发光层和底发射OLED发光层，其中，所述底发射OLED层与所述透射柔性基板相对，所述顶发射OLED发光层与所述反射柔性基板相对。
进一步地，所述透射柔性基板和所述反射柔性基板的数量均为一个；对应地，所述顶发射OLED发光层和所述底发射OLED发光层的数量均为一个。
进一步地，所述透射柔性基板的数量为一个，所述反射柔性基板的数量为两个，其中，两个所述反射柔性基板分别设置于所述透射柔性基板的相对两侧；对应地，所述顶发射OLED发光层数量为两个，所述底发射OLED发光层的数量为一个，其中，两个所述顶发射OLED发光层与两个所述反射柔性基板一一相对。
进一步地，所述透射柔性基板和所述反射柔性基板的数量均为多个，其中，多个所述反射柔性基板和多个所述透射柔性基板交替设置；对应地，所述顶发射OLED发光层和所述底发射OLED发光层的数量均为多个，其中，多个所述顶发射OLED发光层和多个所述底发射OLED发光层交替设置。
本发明的另一目的还在于提供一种具有双面显示的OLED显示装置的制作方法，其包括：提供一硬质基板；在所述硬质基板上形成透射柔性基板和反射柔性基板；在所述透射柔性基板和所述反射柔性基板上形成具有若干开关元件的显示基板；在所述显示基板上形成顶发射OLED发光层和底发射OLED发光层；其中，所述底发射OLED层与所述透射柔性基板相对，所述顶发射OLED发光层与所述反射柔性基板相对。
进一步地，在所述硬质基板上形成一个透射柔性基板和一个反射柔性基板；对应地，在所述显示基板上形成一个顶发射OLED发光层和一个底发射OLED发光层。
进一步地，在所述硬质基板上形成一个透射柔性基板以及分别位于所述透射柔性基板相对两侧的两个所述反射柔性基板；对应地，在所述显示基板上形成一个所述底发射OLED发光层以及分别位于所述底发射OLED发光层相对两侧的两个所述顶发射OLED发光层；其中，两个所述顶发射OLED发光层与两个所述反射柔性基板一一相对。
进一步地，在所述硬质基板上形成交替设置的多个所述透射柔性基板和多个所述反射柔性基板；对应地，在所述显示基板上形成交替设置的多个所述顶发射OLED发光层和多个所述底发射OLED发光层；其中，所述底发射OLED 层与所述透射柔性基板一一相对，所述顶发射OLED发光层与所述反射柔性基板一一相对。
进一步地，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
本发明的有益效果：本发明的OLED显示装置能够实现双面显示，并且由于其利用了柔性基板，所以还具有携带便捷性和可挠性的优点。
附图说明
通过结合附图进行的以下描述，本发明的实施例的上述和其它方面、特点和优点将变得更加清楚，附图中：
图1是根据本发明的第一实施例的具有双面显示的OLED显示装置的结构示意图；
图2是根据本发明的第一实施例的具有双面显示的OLED显示装置的制作方法的流程图；
图3是根据本发明的第二实施例的具有双面显示的OLED显示装置的结构示意图；
图4是根据本发明的第二实施例的具有双面显示的OLED显示装置的制作方法的流程图；
图5是根据本发明的第三实施例的具有双面显示的OLED显示装置的结构示意图；
图6是根据本发明的第三实施例的具有双面显示的OLED显示装置的制作方法的流程图。
具体实施方式
以下，将参照附图来详细描述本发明的实施例。然而，可以以许多不同的形式来实施本发明，并且本发明不应该被解释为限制于这里阐述的具体实施 例。相反，提供这些实施例是为了解释本发明的原理及其实际应用，从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。
在附图中，为了清楚元器件，夸大了层和区域的厚度。相同的标号在附图中始终表示相同的元件。
也将理解的是，在一层或元件被称为在或形成在另一层或基板“之上”或“之下”时，它可以直接在或形成在该另一层或基板上或下，或者也可以存在中间层或中间元件。
<第一实施例>
图1是根据本发明的第一实施例的具有双面显示的OLED显示装置的结构示意图。图2是根据本发明的第一实施例的具有双面显示的OLED显示装置的制作方法的流程图。
参照图1和图2，在步骤S210中，提供一硬质基板110。在本实施例中，该硬质基板110可由玻璃或石英等透明材料制成，但本发明并不限制于此。
在步骤S220中，在硬质基板110上形成一个透射柔性基板120和一个反射柔性基板130。在本实施例中，透射柔性基板120和反射柔性基板130的数量均为一个，但本发明并不限制于此。
进一步地，透射柔性基板120由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；而反射柔性基板130由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
此外，需要说明的是，透射柔性基板120和反射柔性基板130可以先后不同时制成，也可以同时制成。透射柔性基板120和反射柔性基板130的厚度相同，但是透射柔性基板120所占区域面积和反射柔性基板130所占区域面积(即俯视平面面积)可以相同或者可以不相同。
在步骤S230中，在透射柔性基板120和反射柔性基板130上形成具有若干开关元件的显示基板140。在本实施例中，所述开关元件可例如是薄膜晶体 管TFT。进一步地，这里所述的薄膜晶体管TFT可以使用a-Si(非晶硅)，LTPS(低温多晶硅)，oxide(氧化物半导体)，CNT(碳纳米管)，Graphene(石墨烯)等作为有源层。
在步骤S240中，在显示基板140上形成一个顶发射OLED发光层150和一个底发射OLED发光层160。在本实施例中，顶发射OLED发光层150和底发射OLED发光层160的数量均为一个，但本发明并不限制于此。
进一步地，底发射OLED发光层160与透射柔性基板120相对，以实现透射式显示；顶发射OLED发光层150与反射柔性基板130相对，以实现反射式显示。
这样，根据本发明的实施例的OLED显示装置可实现双面显示，并且根据本发明的实施例的OLED显示装置可以在透射柔性基板120和反射柔性基板130的相接处弯折，从而形成具有特定角度的双面显示。
<第二实施例>
图3是根据本发明的第二实施例的具有双面显示的OLED显示装置的结构示意图。图4是根据本发明的第二实施例的具有双面显示的OLED显示装置的制作方法的流程图。
参照图3和图4，在步骤S410中，提供一硬质基板110。在本实施例中，该硬质基板110可由玻璃或石英等透明材料制成，但本发明并不限制于此。
在步骤S420中，在硬质基板110上形成一个透射柔性基板120和两个反射柔性基板130。其中，两个反射柔性基板130设置于一个透射柔性基板120的相对两侧。在本实施例中，透射柔性基板120的数量为一个，而反射柔性基板130的数量为两个，但本发明并不限制于此。
进一步地，透射柔性基板120由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；而反射柔性基板130由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
此外，需要说明的是，透射柔性基板120和反射柔性基板130可以先后不 同时制成，也可以同时制成。透射柔性基板120和反射柔性基板130的厚度相同，但是透射柔性基板120所占区域面积和反射柔性基板130所占区域面积(即俯视平面面积)可以相同或者可以不相同。
在步骤S430中，在透射柔性基板120和反射柔性基板130上形成具有若干开关元件的显示基板140。在本实施例中，所述开关元件可例如是薄膜晶体管TFT。进一步地，这里所述的薄膜晶体管TFT可以使用a-Si(非晶硅)，LTPS(低温多晶硅)，Oxide(氧化物半导体)，CNT(碳纳米管)，Graphene(石墨烯)等作为有源层。
在步骤S440中，在显示基板140上形成两个顶发射OLED发光层150和一个底发射OLED发光层160。在本实施例中，顶发射OLED发光层150的数量为两个，而底发射OLED发光层160的数量为一个，但本发明并不限制于此。
进一步地，一个底发射OLED发光层160与一个透射柔性基板120相对，以实现透射式显示；两个顶发射OLED发光层150与两个反射柔性基板130一一相对，以分别实现反射式显示。
这样，根据本发明的实施例的OLED显示装置可实现双面显示，并且根据本发明的实施例的OLED显示装置可以在透射柔性基板120和反射柔性基板130的相接处弯折，从而形成具有特定角度的双面显示。
<第三实施例>
图5是根据本发明的第三实施例的具有双面显示的OLED显示装置的结构示意图。图6是根据本发明的第三实施例的具有双面显示的OLED显示装置的制作方法的流程图。
参照图5和图6，在步骤S610中，提供一硬质基板110。在本实施例中，该硬质基板110可由玻璃或石英等透明材料制成，但本发明并不限制于此。
在步骤S620中，在硬质基板110上形成多个透射柔性基板120和多个反射柔性基板130。其中，多个透射柔性基板120和多个反射柔性基板130相互交替设置。
进一步地，透射柔性基板120由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；而反射柔性基板130由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
此外，需要说明的是，透射柔性基板120和反射柔性基板130可以先后不同时制成，也可以同时制成。透射柔性基板120和反射柔性基板130的厚度相同，但是透射柔性基板120所占区域面积和反射柔性基板130所占区域面积(即俯视平面面积)可以相同或者可以不相同。
在步骤S630中，在透射柔性基板120和反射柔性基板130上形成具有若干开关元件的显示基板140。在本实施例中，所述开关元件可例如是薄膜晶体管TFT。进一步地，这里所述的薄膜晶体管TFT可以使用a-Si(非晶硅)，LTPS(低温多晶硅)，Oxide(氧化物半导体)，CNT(碳纳米管)，Graphene(石墨烯)等作为有源层。
在步骤S640中，在显示基板140上形成多个顶发射OLED发光层150和多个底发射OLED发光层160。其中，多个顶发射OLED发光层150和多个底发射OLED发光层160相互交替设置。
进一步地，多个底发射OLED发光层160与多个透射柔性基板120一一相对，以实现透射式显示；多个顶发射OLED发光层150与多个反射柔性基板130一一相对，以分别实现反射式显示。需要说明的是，当透射柔性基板120和反射柔性基板130的线宽足够细时，例如达到肉眼无法分辨的程度，根据本发明的实施例的OLED显示装置可以实现完全背靠背的双面显示。
这样，根据本发明的实施例的OLED显示装置可实现双面显示，并且根据本发明的实施例的OLED显示装置可以在透射柔性基板120和反射柔性基板130的相接处弯折，从而形成具有特定角度或者具有特定形状的双面显示。
虽然已经参照特定实施例示出并描述了本发明，但是本领域的技术人员将理解：在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下，可在此进行形式和细节上的各种变化。

Claims (16)

  1. 一种具有双面显示的OLED显示装置，其中，包括：
    硬质基板；
    设置于所述硬质基板上的透射柔性基板和反射柔性基板；
    设置于所述透射柔性基板和所述反射柔性基板的具有若干开关元件的显示基板；以及
    设置于所述显示基板上的顶发射OLED发光层和底发射OLED发光层，其中，所述顶发射OLED层与所述反射柔性基板相对，所述底发射OLED发光层与所述透射柔性基板相对。
  2. 根据权利要求1所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板和所述反射柔性基板的数量均为一个；对应地，所述顶发射OLED发光层和所述底发射OLED发光层的数量均为一个。
  3. 根据权利要求1所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板的数量为一个，所述反射柔性基板的数量为两个，其中，两个所述反射柔性基板分别设置于所述透射柔性基板的相对两侧；对应地，所述顶发射OLED发光层数量为两个，所述底发射OLED发光层的数量为一个，其中，两个所述顶发射OLED发光层与两个所述反射柔性基板一一相对。
  4. 根据权利要求1所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板和所述反射柔性基板的数量均为多个，其中，多个所述反射柔性基板和多个所述透射柔性基板交替设置；对应地，所述顶发射OLED发光层和所述底发射OLED发光层的数量均为多个，其中，多个所述顶发射OLED发光层和多个所述底发射OLED发光层交替设置。
  5. 根据权利要求1所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚 苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  6. 根据权利要求2所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  7. 根据权利要求3所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  8. 根据权利要求4所述的具有双面显示的OLED显示装置，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  9. 一种具有双面显示的OLED显示装置的制作方法，其中，包括：
    提供一硬质基板；
    在所述硬质基板上形成透射柔性基板和反射柔性基板；
    在所述透射柔性基板和所述反射柔性基板上形成具有若干开关元件的显示基板；
    在所述显示基板上形成顶发射OLED发光层和底发射OLED发光层；其中，所述顶发射OLED层与所述反射柔性基板相对，所述底发射OLED发光层与所述透射柔性基板相对。
  10. 根据权利要求9所述的具有双面显示的OLED显示装置的制作方法，其中，在所述硬质基板上形成一个透射柔性基板和一个反射柔性基板；对应地，在所述显示基板上形成一个顶发射OLED发光层和一个底发射OLED发光层。
  11. 根据权利要求9所述的具有双面显示的OLED显示装置的制作方法，其中，在所述硬质基板上形成一个透射柔性基板以及分别位于所述透射柔性基 板相对两侧的两个所述反射柔性基板；对应地，在所述显示基板上形成一个所述底发射OLED发光层以及分别位于所述底发射OLED发光层相对两侧的两个所述顶发射OLED发光层；其中，两个所述顶发射OLED发光层与两个所述反射柔性基板一一相对。
  12. 根据权利要求9所述的具有双面显示的OLED显示装置的制作方法，其中，在所述硬质基板上形成交替设置的多个所述透射柔性基板和多个所述反射柔性基板；对应地，在所述显示基板上形成交替设置的多个所述顶发射OLED发光层和多个所述底发射OLED发光层；其中，所述底发射OLED层与所述透射柔性基板一一相对，所述顶发射OLED发光层与所述反射柔性基板一一相对。
  13. 根据权利要求9所述的具有双面显示的OLED显示装置的制作方法，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  14. 根据权利要求10所述的具有双面显示的OLED显示装置的制作方法，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  15. 根据权利要求11所述的具有双面显示的OLED显示装置的制作方法，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
  16. 根据权利要求12所述的具有双面显示的OLED显示装置的制作方法，其中，所述透射柔性基板由透明的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成；所述反射柔性基板由黄色的聚酰亚胺、聚醚酰亚胺、聚苯硫醚、聚芳酯中的一种或至少两种的组合形成。
PCT/CN2016/078264 2016-03-16 2016-04-01 具有双面显示的oled显示装置及其制作方法 WO2017156801A1 (zh)

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