Display substrate and display device
By providing a protective layer on the side of the connecting line away from the substrate, the problem of dark spots in the anode etching process of the organic light-emitting diode display device is solved, and the display effect and user experience are improved.
CN119384167BActive Publication Date: 2025-10-21BOE TECHNOLOGY GROUP CO LTD +1
Patent Information
- Application Number
- CN202411472662.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2044-10-21
AI Technical Summary
Technical Problem
Organic light-emitting diode (OLED) display devices have the problem of dark spots during their manufacturing process, which is mainly caused by the corrosion of connecting wires during the anode etching process, resulting in metal particles entering the display area.
Method used
A protective layer is provided on the side of the connecting line away from the substrate to cover the surface and side surfaces of the connecting line to prevent erosion by the anodic etching solution and to avoid precipitation of metal particles.
Benefits of technology
It effectively prevents metal particles from entering the display area, thereby improving the display effect and user experience of the display device.
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Smart Images
Figure CN119384167B_ABST
Abstract
The application discloses a display substrate and a display device, wherein the display substrate of one embodiment comprises: a substrate comprising a display area and a peripheral area, the peripheral area comprising a first signal access area and a second signal access area located on one side of the display area; a plurality of first contact pads and second contact pads located in the first signal access area and configured to be bonded with a driving chip, the plurality of first contact pads being connected with data lines; a plurality of third contact pads located in the second signal access area and configured to be bonded with a circuit board; a plurality of connection lines for connecting the plurality of second contact pads and the plurality of third contact pads, at least one connection line in the plurality of connection lines comprising at least two layers of conductive layers directly contacting each other; and a protective layer located on a side of the plurality of connection lines away from the substrate and covering the surface and the side of the plurality of connection lines away from the substrate, for preventing the plurality of connection lines from being eroded by an etching solution for preparing an anode layer of the display substrate. The display substrate of the embodiment effectively improves the display effect.
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Citation Information
Patent Citations
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