Light-Curing Printer Display Device With Shielding Plate
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Solution Overview
Problem
Existing light-curing printers face poor exposure quality due to the limited directivity of ultraviolet light sources, leading to inefficiencies in light distribution and increased energy consumption, which results in shorter service life and higher energy losses.
Innovation Solution
A light-curing printer display device featuring a shielding plate with strategically positioned light holes corresponding to LED light sources, allowing for independent control of each light source to optimize light projection and minimize overlapping areas, thereby enhancing exposure quality and reducing energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a single extensive high-power ultraviolet lamp source is used, then the light-curing printer can provide sufficient illumination intensity, but the exposure quality deteriorates due to poor directivity and light scattering
Solution Approach 1:
The single extensive ultraviolet lamp source is segmented into multiple independent LED light sources arranged in an array. Each LED emits light with high directivity, and the segmentation allows precise control of light direction and intensity, eliminating the scattering problem while maintaining sufficient illumination intensity for light-curing operations
Solution Approach 2:
The shielding plate is configured with different structures at different locations to optimize light transmission locally. The plate includes through-holes, partial through-holes, and opaque portions arranged according to specific patterns that allow light to pass through only in desired directions, improving exposure quality by controlling the spatial distribution of light intensity and direction
2Manufacturing precision
If LED light sources are used with high directivity, then exposure quality improves, but light distribution efficiency deteriorates due to limited light coverage
Solution Approach 1:
Multiple LED light sources are merged into a coordinated array system, where each LED contributes to a comprehensive light distribution pattern. The shielding plate merges the individual light beams into a unified illumination field that covers the entire build area, achieving both high directivity benefits and complete light distribution efficiency
Solution Approach 2:
The shielding plate introduces a spatial dimension to light distribution by using through-holes and partial through-holes at different positions and orientations. This dimensional approach allows light to be directed along multiple paths, expanding the effective coverage area while maintaining the high directivity characteristics of individual LEDs
3Manufacturing precision
If multiple LED light sources are used independently, then exposure quality improves through precise light control, but device complexity increases
Solution Approach 1:
The shielding plate serves multiple functions simultaneously: it acts as a light filter, a structural support for the LED array, a spatial organizer for light paths, and a protective element. This multi-functionality reduces the need for additional separate components, thereby managing device complexity while enabling precise control of multiple independent LED light sources
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
The solution effectively improves exposure quality by minimizing overlapping light spots and reducing energy consumption, leading to a longer service life and more efficient light usage.
Implementation Method 1
The light source assembly includes multiple Light Emitting Diode (LED) light sources independent of each other
Implementation Method 2
The shielding plate is arranged between the screen and the light source assembly. The shielding plate is provided with multiple light holes with the same number as that of the multiple LED light sources
Data Source
AI summary
Disclosed are light-curing printer display devices, 3-dimensional (3D) printers, control methods and devices, and electronic devices. In some embodiments, the light-curing printer display device include a screen, a light source assembly, a shielding plate, and a controller. In other embodiments, the light source assembly is arranged on a back side of the screen and the light source assembly includes multiple Light Emitting Diode (LED) light sources independent of each other. The shielding plate is arranged between the screen and the light source assembly and is provided with multiple light holes with the same number as that of the multiple LED light sources. The multiple light holes correspond to the multiple LED light sources one by one. The controller is electrically connected with the multiple LED light sources and is configured to control at least one LED light source to emit light.