Sealant Curing Device with Light Conversion Layer
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Solution Overview
Problem
Conventional sealant curing processes for TFT-LCD panels are inefficient, leading to prolonged tact times and liquid crystal pollution due to incomplete curing and the need for sequential UV and thermal curing steps.
Innovation Solution
A sealant curing device with a light conversion layer on the bearing platform that converts one wavelength of light (UV or IR) into another, allowing simultaneous photocuring and thermocuring of the sealant using a single light source, thereby reducing processing time and preventing liquid crystal pollution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sequential UV and thermal curing steps are used, then complete sealant curing is achieved, but tact time becomes too long
Solution Approach 1:
The patent combines UV curing and thermal curing into a single integrated curing device that can perform both functions simultaneously or sequentially without transferring the substrate between separate devices. The curing device includes both UV irradiation units and heating units, allowing dual-mode curing in one location, thereby eliminating transfer time while ensuring complete sealant curing.
Solution Approach 2:
The curing device is designed with multi-functionality, incorporating both UV irradiation capability and thermal heating capability in a single device. This universal device can switch between or combine UV curing mode and thermal curing mode, eliminating the need for separate curing devices and reducing overall processing time while maintaining complete curing effectiveness.
2Reliability
If sequential curing steps with device transfer are used, then complete sealant curing is achieved, but liquid crystal pollution occurs
Solution Approach 1:
By merging UV curing and thermal curing functions into one integrated device, the patent eliminates the need to transfer substrates between separate curing devices. This prevents liquid crystals from spilling or contaminating during transfer operations while ensuring the sealant receives both UV and thermal curing treatments for complete curing.
Solution Approach 2:
The integrated curing device allows preliminary UV curing to be performed immediately after sealant application, followed by thermal curing in the same device without substrate transfer. This preliminary action sequence is executed continuously in one location, preventing liquid crystal pollution that would occur during intermediate transfers.
3Reliability
If separate UV and thermal curing devices are used, then curing effectiveness is maintained, but device complexity increases
Solution Approach 1:
The patent merges separate UV curing devices and thermal curing devices into a single integrated curing device that houses both UV irradiation units and thermal heating units. This consolidation maintains the effectiveness of both curing methods while reducing the total number of devices, simplifying the production line layout, and eliminating the need for multiple device transfers.
Solution Approach 2:
The curing device is designed as a universal multi-functional unit that can perform both UV curing and thermal curing operations. This single device replaces multiple specialized devices, reducing overall system complexity while maintaining the curing effectiveness of each individual method through integrated design.
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 approach shortens the overall curing time and ensures complete sealant curing without liquid crystal contamination, improving the quality and efficiency of the display panel manufacturing process.
Implementation Method 1
a light conversion layer arranged on the bearing platform and configured to convert a light beam at a first wavelength into a light beam at a second wavelength
Data Source
AI summary
The present disclosure provides a sealant curing device and a packaging method. The sealant curing device includes a bearing platform on which a display panel is placed, and a light conversion layer arranged on the bearing platform and configured to convert a light beam at a first wavelength into a light beam at a second wavelength. The light beam at the first wavelength is one of a UV light beam and an IR light beam, and the light beam at the second wavelength is the other one of the UV light beam and the IR light beam.