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US 2019/0376650 A1Published application
High-yield low-cost large-area flexible oled lighting module
AssigneeBeijing Summer Sprout Technology Co., Ltd.
InventorsHuiqing PANG, Chuanjun XIA
Life of this patent
Estimating the term…
Abstract
The application relates to the field of OLED lighting, and provides a high-yield low-cost large-area flexible OLED lighting module, a manufacturing method thereof and an OLED lighting luminaire.
Claims20
An organic light-emitting device (OLED) lighting module, comprising:
- a plurality of OLED panels, wherein each of the OLED panels comprises a substrate, an OLED device, an encapsulation layer, at least one anode contact, at least one cathode contact, and at least one light emitting surface;
- a first flexible printed circuit sheet having a first surface and a second surface, wherein a first circuit is printed on the first surface;
- wherein the at least one anode contact and the at least one cathode contact of at least two OLED panels among the plurality of OLED panels are electrically connected to the first circuit on the first surface of the first flexible printed circuit sheet, so that the plurality of OLED panels are electrically accessed externally;
- wherein the substrates of the at least two OLED panels are separated from each other.
1 more element
A method for fabricating an organic light-emitting device (OLED) lighting module, comprising:
- a) determining an active area of one OLED panel;
- designing panel layout;
- b) designing panel distribution;
- designing a corresponding circuit for the panel distribution and printing the designed circuit on a first surface of a first flexible printed circuit sheet;
- c) fabricating a plurality of OLED panels on at least one mother substrate;
- encapsulating the plurality of OLED panels;
- dicing the at least one mother substrate into individual OLED panels;
- d) electrically bonding at least two individual OLED panels on the first surface of the first flexible printed circuit sheet, wherein the OLED panels are able to be addressed externally;
- wherein a space between substrates of the at least two OLED panels is greater than 0.1 mm;
- and step b may be implemented before, after or at the same time with step c.
7 more elements
An organic light-emitting device (OLED) luminaire comprising at least one OLED lighting module, wherein the OLED lighting module comprises:
- a plurality of OLED panels, wherein each of the OLED panels comprises a substrate, an OLED device, an encapsulation layer, at least one anode contact, at least one cathode contact, and at least one light emitting surface;
- a first flexible printed circuit sheet having a first surface and a second surface, wherein a first circuit is printed on the first surface;
- wherein the at least one anode contact and the at least one cathode contact of at least two OLED panels among the plurality of OLED panels are electrically connected to the first circuit on the first surface of the first flexible printed circuit sheet, so that the plurality of OLED panels are electrically accessed externally;
- wherein the substrates of the at least two OLED panels are separated from each other.
1 more element
Dependencies are inferred from the claim text.