Oled panel, evaporation method thereof, and mask plate group thereof
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorsXiao DU, Hyangshik KONG, Munjae LEE
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Abstract
A mask plate group of an organic light emitting diode (OLED) panel, a cathode evaporation method thereof and an OLED panel are provided. The OLED panel includes a display area having an imaging area, and the mask plate group includes a first mask plate and a second mask plate. The first mask plate includes a common mask opening area. The common mask opening area covers an entire of the display area. The second mask plate includes a special-shaped mask opening area. The special-shaped mask opening area covers all the display area except the imaging area.
Claims20
A mask plate group of an organic light emitting diode (OLED) panel, wherein the OLED panel comprises a display area having an imaging area, and the mask plate group comprises:
- a first mask plate comprising a common mask opening area, and the common mask opening area covering an entire of the display area;
- and
- a second mask plate comprising a special-shaped mask opening area, and the special-shaped mask opening area covering all the display area except the imaging area.
An evaporation method of an OLED panel, comprising:
- performing a first evaporation process and a second evaporation process of a cathode of the OLED panel using a first mask plate and a second mask plate in different orders on the same substrate, wherein the first mask plate comprises a common mask opening area, the common mask opening area covers an entire of a display area, the second mask plate comprises a special-shaped mask opening area, and the special-shaped mask opening area covers all the display area except an imaging area.
An OLED panel, comprising:
- a cathode structure comprising:
- a display area having an imaging area;
- a first cathode having a first thickness fully disposed on the display area;
- and
- a second cathode having a second thickness disposed on all the display area except the imaging area.
Dependencies are inferred from the claim text.