Integrated Stage Circuit for Display Driver Signal Generation
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Solution Overview
Problem
Display devices with P-type and N-type transistors require multiple drivers, leading to increased dead space and power consumption.
Innovation Solution
A stage circuit that includes a driver generating first and inverted signals using clock signals and a generator producing additional signals based on previous stage signals, minimizing dead space and power consumption by using a single stage circuit to drive both P-type and N-type transistors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple drivers are used to drive P-type and N-type transistors, then the transistors can be driven properly, but dead space and power consumption increase
Solution Approach 1:
The patent combines the functions of multiple drivers into a single stage circuit. The stage circuit includes a first driver that generates a first signal and an inverted first signal, and a second driver that generates a second signal and an inverted second signal, all within one integrated circuit structure. This merging eliminates the dead space that would exist between separate driver circuits while maintaining the capability to drive both P-type and N-type transistors effectively.
Solution Approach 2:
The stage circuit is designed with multi-functionality to perform the roles of multiple drivers. It can generate multiple signals (first signal, inverted first signal, second signal, inverted second signal) and drive different types of transistors (P-type and N-type) using a single circuit structure. This universal design reduces the overall area occupation while maintaining comprehensive driving capability.
2Reliability
If multiple drivers are used to drive P-type and N-type transistors, then the transistors can be driven properly, but power consumption increases
Solution Approach 1:
By merging multiple driver functions into a single stage circuit, the patent reduces the total power consumption. The shared circuitry and common power supply management within the integrated stage circuit eliminate redundant power consumption that would occur in separate driver circuits, while maintaining the ability to drive both P-type and N-type transistors reliably.
Solution Approach 2:
The universal stage circuit design allows a single circuit to perform multiple driving functions, reducing the overall power consumption compared to having separate dedicated drivers for each transistor type. The circuit efficiently manages power distribution to generate all necessary signals (first signal, inverted first signal, second signal, inverted second signal) within a unified power consumption budget.
3Area of stationary object
If a single stage circuit is used to drive both P-type and N-type transistors, then dead space and power consumption are reduced, but the circuit complexity increases
Solution Approach 1:
The stage circuit is segmented into distinct functional modules: a first driver section that generates the first signal and inverted first signal, and a second driver section that generates the second signal and inverted second signal. This segmentation organizes the complexity into manageable sections while maintaining the compact integrated structure that reduces dead space.
Solution Approach 2:
The patent integrates multiple driver functions in a two-dimensional planar layout within the single stage circuit, efficiently arranging the first driver and second driver sections to minimize area occupation. This dimensional arrangement manages circuit complexity by organizing components in a compact configuration rather than requiring three-dimensional stacking or separate physical locations.
Data Source
AI summary
A stage circuit that includes a driver configured to receive a start signal and generate a first signal and an inverted first signal using a first clock signal and a second clock signal, and a first generator configured to generate a second signal using a previous stage first signal and a previous stage inverted first signal supplied from a driver of a previous stage circuit, and a next stage first signal supplied from a driver of a next stage circuit. The driver and the first generator may be electrically connected to a first power input terminal to which first power is may be input and a second power input terminal to which second power is may be input.