Wireless Nano Imaging Member for Latent Image Generation
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Solution Overview
Problem
Existing printing technologies face challenges in accurately and cost-effectively transmitting large amounts of data and electric current to a moving nano imaging member in a printing device, which is essential for creating digital electric fields and generating latent images without a wired connection.
Innovation Solution
The implementation of Wireless Display (WiDi) technology to wirelessly transmit digital signals from a print engine to the nano imaging member, using antennas/receivers integrated into the driving electronics, allowing for the creation of a digital electric field and latent image generation without a wired connection, and enabling the printing of images using hole injection pixels and a charge transport layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless communication is used to transmit data to the moving nano imaging member, then the complexity of wired connections is reduced and ease of operation is improved, but the reliability of data transmission may be affected by wireless interference
Solution Approach 1:
The patent replaces the mechanical wired connection system with a wireless electromagnetic field-based data transmission system. The print engine transmits data wirelessly to the nano imaging member, eliminating physical cables and connectors, thereby improving ease of operation while managing reliability through wireless communication protocols
2Productivity
If large amounts of data are transmitted wirelessly to the moving imaging member, then productivity is improved by enabling direct digital marking, but the use of energy increases due to wireless transmission requirements
Solution Approach 1:
The system replaces traditional mechanical printing mechanisms with a direct digital marking system that uses wireless data transmission to control nanoscale hole injection pixels. This substitution enables high-speed digital printing (improving productivity) while the energy consumption is managed through efficient wireless communication and targeted hole injection only where needed
3Adaptability or versatility
If a moving nano imaging member is used for direct digital marking, then adaptability is improved by enabling integration with various backplane technologies, but the difficulty of detecting and measuring increases due to the nanoscale dimensions
Solution Approach 1:
The nano imaging member is segmented into an array of individually addressable hole injection pixels that can be controlled independently. This segmentation allows the system to integrate with various backplane technologies (improving adaptability) while each pixel's nanoscale dimensions are managed through precise electronic addressing and control circuits
Solution Approach 2:
The patent introduces driving electronics as an intermediary layer between the wireless communication system and the nanoscale hole injection pixels. This intermediary receives wireless data, processes it into appropriate control signals, and drives the individual pixels, thereby bridging the gap between macro-scale wireless communication and nano-scale pixel control
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 solution enables efficient and cost-effective wireless communication of data to the nano imaging member, facilitating the creation of digital electric fields and latent images, thereby simplifying the printing process and eliminating the need for wired connections, while allowing for high-resolution image production across various printing technologies.
Implementation Method 1
a digital electric field can be created utilizing an electric field induced hole injection reaction between a patternable hole injection nanomaterial and the Xerox charge (hole) transport layer
Implementation Method 2
Carbon Nanotube (CNT) and PEDOT were found to inject holes efficiently to the Xerox charge transport layer (CTL, TPD in polycarbonate) under the influence of an electric field
Implementation Method 3
As the bilayer member first contacted the magnetic brush, the bias on the magnetic brush induced a hole injection reaction to create the electrostatic latent image on the CTL surface of the bilayer
Data Source
AI summary
An electrostatic latent image is formed when the print controller of a print engine wirelessly transmits digital printing signals. Driving electronics receives the wirelessly transmitted digital printing signals and transmits digital signals to address plurality of thin-film transistors (TFTs) individually in a TFT array. Driving electronics also transmit pixel voltages to bias individual TFTs in the TFT array which in turn drives the hole injecting pixels overcoated with a charge transport layer to generate the electrostatic latent image on the surface of the charge transport layer in response to the received digital printing signals.