Multi-Gate Transistor Structure for Temperature Drift Compensation
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Solution Overview
Problem
Display products face issues with voltage threshold drift due to temperature changes, leading to abnormal display performance.
Innovation Solution
A transistor structure with adjustable width-to-length ratio, achieved through a gate driving circuit that detects environment temperature and controls the number of active gate lines, ensuring optimal transistor performance across varying temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the transistor operates in a wide temperature range, then the display product can work in various environments, but the voltage threshold drifts causing abnormal display
Solution Approach 1:
The patent applies dynamics by making the transistor structure adjustable rather than fixed. Multiple gates can be selectively activated based on temperature conditions, allowing the transistor to dynamically adapt its electrical characteristics (width-to-length ratio) to compensate for voltage threshold drift at different temperatures, thus maintaining stable display performance across a wide temperature range
Solution Approach 2:
The patent changes the electrical parameters of the transistor by selectively activating different gate lines. By controlling which gates are active, the effective width-to-length ratio of the transistor is changed to compensate for temperature-induced voltage threshold drift, thereby maintaining stable operation across different temperatures
2Reliability
If multiple gates are added to adjust width-to-length ratio, then temperature-induced voltage drift is compensated, but device complexity increases
Solution Approach 1:
The patent segments the gate control into multiple independent gate lines that can be selectively activated. Instead of using a single complex control mechanism, the system divides the gate function into separate controllable segments, allowing simple selective activation based on temperature to achieve voltage threshold compensation while keeping the overall structure manageable
Data Source
AI summary
The transistor structure includes a transistor and a plurality of gate lines electrically connected to the transistor, wherein the transistor includes a semiconductor layer and a source and a drain that are disposed on the semiconductor layer, the source is connected to a source region of the semiconductor layer, and the drain is connected to a drain region of the semiconductor layer; and the transistor further includes a plurality of gates disposed corresponding to a channel region of the semiconductor layer, wherein the plurality of gates are spaced in a length direction of the source and the drain, and the plurality of gates are connected to the plurality of gate lines in a one-to-one correspondence. The technical solution of the present application can compensate and adjust the transistor after a working environment temperature changes, to avoid abnormal display.