OLED display substrate, manufacturing method thereof, and display device
AssigneesOrdos Yuansheng Optoelectronics Co., Ltd., Boe Technology Group Co., Ltd.
InventorsLiman Peng, Qi Liu, Liangliang Liu, Jianqiang Wang, Yan Wu, Jin Yang
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Abstract
The disclosure provides an OLED display substrate, a manufacturing method thereof, and a display device, wherein the OLED display substrate is provided with a display area and an edge area surrounding the display area, the OLED display substrate includes a back plate and a pixel-defining layer on the back plate, and a protrusion is provided on the back plate at the edge area of the OLED display substrate.
Claims4
An OLED display substrate having a display area and an edge area surrounding the display area, the OLED display substrate comprising a back plate and a pixel-defining layer on the back plate,
- wherein the OLED display substrate comprises a transistor array layer, and the transistor array layer extends to the edge area;
- at the edge area of the OLED display substrate, an auxiliary spacer is provided on the pixel-defining layer, and the pixel-defining layer covers the transistor array layer at the edge area;
- at the display area of the OLED display substrate, a spacer is further provided on the pixel-defining layer, and the auxiliary spacer at the edge area is made of the same material as the spacer and is fabricated through a single patterning process with the spacer;
- and
- the height difference between an end face of the spacer away from the back plate and an end face of the auxiliary spacer away from the back plate is not greater than 3 μm.
A display device, wherein the display device comprises an OLED display substrate, the OLED display substrate having a display area and an edge area surrounding the display area, the OLED display substrate comprising a back plate and a pixel-defining layer on the back plate,
- wherein the OLED display substrate comprises a transistor array layer, and the transistor array layer extends to the edge area;
- at the edge area of the OLED display substrate, an auxiliary spacer is provided on the pixel-defining layer, and the pixel-defining layer covers the transistor array layer at the edge area;
- at the display area of the OLED display substrate, a spacer is further provided on the pixel-defining layer, and the auxiliary spacer at the edge area is made of the same material as the spacer and is fabricated through a single patterning process with the spacer;
- and
- the height difference between an end face of the spacer away from the back plate and an end face of the auxiliary spacer away from the back plate is not greater than 3 μm.
Dependencies are inferred from the claim text.