OLED device, packaging method thereof, and packaging apparatus
AssigneesBoe Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
InventorsXiang Feng, Tao Wang, Yun Qiu
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Abstract
The present invention provides an OLED device, and a packaging method thereof and a packaging apparatus. The packaging method is for packaging an OLED device formed on a base substrate, and includes: separating a graphene thin film formed on a copper foil from the copper foil; and packaging the OLED device using the graphene thin film. In the packaging method, the graphene thin film is introduced into packaging of an OLED device, thereby not only improving packaging effect of the OLED device, but also simplifying packaging process of the OLED device and increasing production efficiency.
Claims19
A packaging method for packaging an OLED device formed on a base substrate, comprising:
- separating a graphene thin film formed on a copper foil from the copper foil;
- and packaging the OLED device using the graphene thin film,
- wherein separating the graphene thin film formed on the copper foil from the copper foil comprises:
- step S10:
- adhering a surface of the copper foil on which no graphene thin film is formed to a fixing substrate by a double-sided adhesive;
- step S11:
- processing a viscous polymer into a fluid state and pouring the fluid state viscous polymer onto a surface of the copper foil on which the graphene thin film is formed;
- step S12:
- gluing the viscous polymer with an adhesive tape after curing the viscous polymer, and then stripping a composite film formed of the graphene thin film and the viscous polymer from the copper foil;
- step S13:
- forming a passivation layer on the OLED device, coating a transparent adhesive on the passivation layer, and adhering a surface of the graphene thin film of the composite film to the transparent adhesive before curing the transparent adhesive;
- and
- step S14:
- curing the transparent adhesive.
A packaging method, comprising:
- forming a passivation layer on an OLED device formed on a base substrate, and coating a transparent adhesive on the passivation layer;
- adhering a surface of a copper foil on which a graphene thin film is formed to the transparent adhesive before curing the transparent adhesive;
- curing the transparent adhesive;
- and
- fixing the base substrate, gluing a surface of the copper foil on which no graphene thin film is formed by using an adhesive tape, and separating the copper foil from the graphene thin film.
A packaging method, comprising:
- forming a passivation layer on an OLED device formed on a base substrate;
- attaching a surface of a copper foil on which no graphene thin film is formed to a roller able to be heated;
- fixing the base substrate onto a base table, with the OLED device facing away from the base table;
- dripping a transparent adhesive on a first side of the OLED device on the base substrate such that a side edge of the graphene thin film on the roller corresponds to and contacts with the transparent adhesive;
- heating the roller to cause the transparent adhesive to be in an incompletely cured state, rolling the roller to a second side of the OLED device opposite to the first side, so that the transparent adhesive is coated on the passivation layer after being dragged by the roller, the passivation layer is adhered to the graphene thin film by the transparent adhesive, and meanwhile the copper foil is separated from the graphene thin film;
- and
- curing the transparent adhesive.
A packaging apparatus for packaging an OLED device formed on a base substrate, comprising a packaging mechanism for separating a graphene thin film formed on a copper foil from the copper foil and packaging the OLED device using the graphene thin film,
- wherein the packaging mechanism is configured to:
- adhere a surface of the copper foil on which no graphene thin film is formed to a fixing substrate by a double-sided adhesive;
- process a viscous polymer into a fluid state and pour the fluid state viscous polymer onto a surface of the copper foil on which the graphene thin film is formed;
- glue the viscous polymer with an adhesive tape after curing the viscous polymer, and then strip a composite film formed of the graphene thin film and the viscous polymer from the copper foil;
- form a passivation layer on the OLED device, coat a transparent adhesive on the passivation layer, and adhere a surface of the graphene thin film of the composite film to the transparent adhesive before curing the transparent adhesive;
- and
- cure the transparent adhesive.
Dependencies are inferred from the claim text.