Dual-sided pixel circuit and write method
By setting pre-storage units and driving units on the upper and lower substrates respectively, the problem of insufficient aperture ratio in high refresh rate and high brightness displays is solved, and the stability and aperture ratio of the pixel circuit are improved.
CN119889252BActive Publication Date: 2026-06-02CHENGDU JIUTIAN HUAXIN TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHENGDU JIUTIAN HUAXIN TECH CO LTD
- Filing Date
- 2025-03-05
- Publication Date
- 2026-06-02
AI Technical Summary
Technical Problem
Existing technologies struggle to simultaneously guarantee the aperture ratio of pixel circuits in high refresh rate and high brightness displays, and the increased requirements for backlight brightness specifications and lifespan lead to higher costs.
Method used
The design employs a double-sided pixel circuit, with the pre-storage unit and the driving unit respectively placed on the upper and lower substrates and connected by conductive materials, thereby reducing the area occupied by the pixel display area and increasing the aperture ratio.
Benefits of technology
By separating the transistor arrangement on the substrate, the difficulty of layout fabrication is reduced, the transistor yield and pixel circuit stability are improved, and the aperture ratio is enhanced.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN119889252B_ABST
Abstract
The application discloses a double-sided pixel circuit and a writing method, which comprise a pre-storage unit and a driving unit; the pre-storage unit is arranged on an upper substrate, and the driving unit is arranged on a lower substrate; the upper substrate and the lower substrate are connected through conductive material. The application has the beneficial effects that the upper substrate and the lower substrate are connected through the conductive material, so that the first transistor and the second transistor are coincident in the vertical direction, thereby reducing the area occupied by the pixel display area and improving the aperture ratio.
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