Display backplate and fabricating method thereof, and display apparatus
AssigneeBeijing BOE Technology Development Co., Ltd.
InventorsDejiang Zhao, Guangcai Yuan
Life of this patent
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Abstract
The embodiments of the present disclosure provide a method of fabricating a display backplate. The method of fabricating the display backplate may include forming a channel layer on a surface of a substrate. The channel layer may include a liquid storage portion, a plurality of pixel channels, and a plurality of moving electrodes. Each of the plurality of pixel channels may include a plurality of sub-pixel grooves. The method of fabricating the display backplate may further include printing ink droplets into the liquid storage portion and moving the ink droplets into the plurality of sub-pixel grooves by applying a moving voltage to the moving electrodes.
Claims18
A method of fabricating a display backplate, comprising:
- forming a channel layer on a surface of a substrate, the channel layer comprising a liquid storage portion, a plurality of pixel channels, and a plurality of moving electrodes, each of the plurality of pixel channels comprising a plurality of sub-pixel grooves, the plurality of moving electrodes comprising first moving electrodes and second moving electrodes, each of the first moving electrodes is between the liquid storage portion and one of the plurality of pixel channels, each of the second moving electrodes is between adjacent sub-pixel grooves;
- printing ink droplets into the liquid storage portion;
- and
- moving the ink droplets into the plurality of sub-pixel grooves by applying a moving voltage to the moving electrodes;
- wherein the liquid storage portion comprises a first liquid storage structure and a plurality of second liquid storage structures, the first liquid storage structure is connected to the plurality of second liquid storage structures, the moving electrodes further comprises third moving electrodes, each of the third moving electrodes is between the first liquid storage structure and one of the plurality of second liquid storage structures, and each of the plurality of second liquid storage structures is connected to more than one of the plurality of pixel channels, each of the first moving electrodes is between one of the plurality of second liquid storage structures and one of the plurality of pixel channels, and
- printing the ink droplets into the liquid storage portion comprises printing the ink droplets into the first liquid storage structure.
A display backplate, comprising:
- a substrate;
- a channel layer on a surface of the substrate, the channel layer comprising a plurality of pixel channels, each of the pixel channels comprising a plurality of sub-pixel grooves, and second moving electrodes between adjacent sub-pixel grooves in a same pixel channel;
- and
- a sub-pixel layer in each of the plurality of sub-pixel grooves respectively;
- wherein the sub-pixel layer comprises a light-emitting material or a quantum dot.
A display backplate, comprising:
- a substrate;
- a channel layer on a surface of the substrate, the channel layer comprising a plurality of pixel channels, each of the pixel channels comprising a plurality of sub-pixel grooves, and second moving electrodes between adjacent sub-pixel grooves in a same pixel channel;
- and
- a sub-pixel layer in each of the plurality of sub-pixel grooves respectively,
- wherein the channel layer further comprises a liquid storage portion, and the liquid storage portion is connected to the plurality of pixel channels through first moving electrodes;
- and
- the liquid storage portion comprises a first liquid storage structure and a plurality of second liquid storage structures, the first liquid storage structure is connected to the plurality of second liquid storage structures, and each of the plurality of second liquid storage structures is connected to more than one of the plurality of pixel channels.
Dependencies are inferred from the claim text.