OLED Device and Manufacturing Method Thereof, and Display Apparatus
AssigneesBoe Technology Group Co., Ltd., Chengdu Boe Optoelectronics Technology Co., Ltd.
InventorsXiping LI, Wen SUN
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Abstract
An OLED device, a manufacturing method of an OLED device and a display apparatus are provided. The OLED device includes a plurality of pixels, each of the plurality of pixels including a plurality of sub-pixels with different colors, each of the plurality of sub-pixels including a first electrode, a second electrode, and a light-emitting material layer disposed between the first electrode and the second electrode. A hole injection layer is disposed between the light-emitting material layer and the first electrode of each of the sub-pixels, and the number of layers of the hole injection layer between the light-emitting material layer and the first electrode of a part of the sub-pixels is lower than that of other sub-pixels.
Claims20
An OLED device, comprising a plurality of pixels, each of the plurality of pixels comprising a plurality of sub-pixels with different colors, each of the plurality of sub-pixels comprising a first electrode, a second electrode, and a light-emitting material layer disposed between the first electrode and the second electrode,
- wherein a hole injection layer is disposed between the light-emitting material layer and the first electrode of each of the sub-pixels, and the number of layers of the hole injection layer between the light-emitting material layer and the first electrode of a part of the sub-pixels is lower than that of other sub-pixels.
A manufacturing method of an OLED device comprising a plurality of pixels, each of the plurality of pixels comprising a plurality of sub-pixels with different colors, the method comprising steps of:
- forming a first electrode;
- forming a hole injection layer such that the number of layers of the hole injection layer between the light-emitting material layer and the first electrode of a part of the sub-pixels is lower than that of other sub-pixels;
- forming a light-emitting material layer;
- and
- forming a second electrode.
Dependencies are inferred from the claim text.