Display panel and display device

By placing the storage capacitor plates and transistor gates on the same layer in the display panel, the problems of film thickness and high manufacturing cost are solved, achieving thinner display panels and space saving.

WO2026137563A1PCT designated stage Publication Date: 2026-07-02WUHAN TIANMA MICRO ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
WUHAN TIANMA MICRO ELECTRONICS CO LTD
Filing Date
2025-02-17
Publication Date
2026-07-02

AI Technical Summary

Technical Problem

The existing display panel has a thick film structure, which results in high manufacturing costs and a large space requirement.

Method used

By placing the capacitor plates in the first storage capacitor in the same layer as the gate of the first type of transistor, the film thickness is reduced and part of the gate structure is reused, thus optimizing the film structure design.

Benefits of technology

This design enables a thinner display panel, reducing manufacturing costs and space requirements while improving setup flexibility.

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Abstract

Embodiments of the present application provide a display panel and a display device. The display panel comprises a substrate and a plurality of pixel circuits located on one side of the substrate, and each of the pixel circuits comprises a first-type transistor and a first storage capacitor; the first-type transistor comprises a first active layer and a first gate, the first active layer comprises an oxide, and the first gate is located on the side of the first active layer away from the substrate; and the first storage capacitor comprises a first capacitor plate and a second capacitor plate which are stacked, and the first capacitor plate or the second capacitor plate is arranged in the same layer as the first gate.
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