Hexagonal Electro-Optic Segment Layout for Uniform Darkening

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing electro-optic devices face challenges in providing precise control over localized regions and efficient power distribution, leading to issues like uneven darkening and increased power consumption due to voltage drops across conductive materials.

Innovation Solution

The electro-optic device employs a hexagonal lattice arrangement of transistors and intermediate electrodes, allowing for individualized control of electro-optic segments with a single-sided power connection, reducing the depth of conductive material and mitigating voltage drops through dynamic voltage adjustment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional grid arrangements of transistors are used, then device complexity is reduced and manufacturing is easier, but manufacturing precision and control over localized regions deteriorate

Engineering Contradiction:
Improvecontrol precisionVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The device is divided into multiple independently controllable segments, each with its own transistor. This segmentation allows precise control over localized regions of the electro-optic medium, enabling independent adjustment of each segment's optical properties without affecting other segments.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from conventional two-dimensional grid arrangements to a three-dimensional configuration where transistors are positioned at different depths and angles. This dimensional change enables more efficient routing of conductive materials and reduces interference between adjacent segments while maintaining precise control.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If deeper conductive materials are used to connect power sources, then power distribution coverage is improved, but voltage drops increase and power consumption increases

Engineering Contradiction:
Improvepower distributionVSAvoidvoltage drops
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The power distribution system is segmented into multiple independent pathways, with each transistor having its own dedicated conductive connection to the power source. This eliminates the need for deep, long-distance conductive materials and reduces voltage drops by providing direct, short-length connections to each segment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The conductive materials are routed through three-dimensional pathways rather than relying solely on deep horizontal connections. This allows for optimized routing that minimizes the length and resistance of conductive paths while maintaining reliable power distribution to all segments.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Manufacturing precision

If uniform control is applied to all regions, then device complexity is reduced, but manufacturing precision and responsiveness of localized regions deteriorate

Engineering Contradiction:
Improvelocalized control precisionVSAvoidcontrol complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The electro-optic medium is divided into multiple independently controllable segments, each with its own transistor. This allows different control signals to be applied to different segments, enabling precise localized control for manufacturing and operation while maintaining manageable device complexity through modular architecture.

Inventive Principle:
Principle #1Segmentation

4Reliability

If more conductive material is used to ensure uniform power distribution, then power distribution reliability is improved, but voltage drops increase and power consumption increases

Engineering Contradiction:
Improvepower distribution uniformityVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The power distribution system is segmented into multiple independent pathways, with each transistor having its own dedicated conductive connection to the power source. This eliminates the need for extensive conductive material while ensuring uniform power distribution, as each segment receives power directly without relying on long-distance conduction that would cause voltage drops.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This configuration enhances responsiveness, reduces power consumption, and ensures uniform darkening and clearing of electro-optic cells by providing fine control over electrical parameters, minimizing voltage drops and optimizing power distribution.

Implementation Method 1

An electro-optic medium is disposed between the first electrode and the second electrode and is configured to be electro-activated between states

Methodology Applied
Scientific EffectElectro-optic effect: Electro-Optic Effects

Data Source

PatentUS20230333435A1Hexagonal packing of multi-segment electro-optical devices
Publication Date: 2023.10.19 GENTEX CORP
  • US20230333435A1 patent drawing
  • US20230333435A1 patent drawing
  • US20230333435A1 patent drawing

AI summary

An electro-optic device includes a first substrate and a second substrate. A first electrode is coupled to the first substrate and a second electrode is coupled to the second substrate. An electro-optic medium is disposed between the first electrode and the second electrode and is configured to be electro-activated between states. A plurality of transistors are in electrical communication with the electro-optic medium to switch localized regions of the electro-optic medium between states.