Engineers printed color onto solar glass in overlapping patterns that seem to move as you walk past, turning an ordinary black panel into part power plant and part optical illusion

Solar glass meets aesthetics in new technology that turns a normal photovoltaic panel into part power producer, part optical illusion. Engineers found a way to print colored, overlapping patterns on the surface that appear to shift depending on the angle of view.

Solar arrays are often criticized as unattractive when mounted on buildings, but this screen-printed ceramic process could reverse that. 

Turning solar modules into decorative elements without diluting sunlight could be a game changer for the industry, especially in urban areas.

How ceramic printing meets solar glass in fresh technology

It is not easy to balance visual appeal and clean power generation when solar panels have to be fitted onto building exteriors. The dark, angular, uninteresting look of the photovoltaic infrastructure does not blend well into architectural design.

The colored front glazing was produced by screen printing optical-interference-pigment pastes onto glass and curing the printed films.

Overlapping line patterns were achieved by pushing specialized inorganic pigment paste through precision mesh screens. The result is a screen-printed glass cover that successfully integrates dynamic Moiré aesthetics while maintaining strong optical and photovoltaic performance.

This technique alters the way that solar energy interacts with the glass. Using a solid layer of paint would have blocked the sunlight, but the overlapping printed grids leave hundreds of tiny unprinted gaps.

Solar radiation passes through these spaces to the silicon cells underneath, and the system continues to generate usable power.

Optical interference and the effects on power output

The optical illusion behind the panel cover’s visual effect is called moiré interference. It is achieved by overlapping geometric lines in a pattern. 

When someone moves past the panel, the line alignments shift according to the angle, and the surface appears to move. 

This motion effect does not involve electrical power or motorized parts. The mechanism is pure geometry. The shift in viewing angle changes the overlap and geometric alignment between periodic Moiré patterns, creating the visual perception of motion.

There are still unavoidable trade-offs of applying ceramic coatings to PV infrastructure. The ink layers still absorb a portion of the incoming sunlight before reaching the solar cells. 

This invariably lowers efficiency. Lab testing confirmed that electrical output drops when the printed coverage is increased. 

It is, however, possible to fine-tune the line spacing to minimize the loss of efficiency. 

Integration into architecture and study findings: What is next?

Building-integrated solar panels give urban planners a practical path to turn blank exterior walls into active clean power generators for urban centers.

By pairing ceramic screen printing with kinetic optical design, engineers can replace dull, dark glass facades with visually engaging surfaces.

This design approach addresses long-standing aesthetic objections from architects and property owners. It enables wider solar adoption across high-rise buildings and urban infrastructure without taking up precious ground space or compromising building weatherproofing.

Aesthetics should not override efficiency, and aesthetic panels are not ready yet

However, scaling this technology requires balancing visual customization against electrical generation.

While decorative patterns improve the acceptance of solar panels by the public, the heavy ink coverage lowers photon absorption across decades of operation.

System designers must carefully evaluate the local sunlight levels, tilt angles of the panels, building orientation, and ink density to optimize power output alongside visual appeal.

By standardizing ceramic frit formulations and scaling automated printing workflows, manufacturing costs will be significantly lowered.

This will drive widespread commercial adoption, especially across construction markets. Combining kinetic optical art with solar technology demonstrates that urban renewable energy infrastructure can be both visually compelling and power-efficient.

All the details of the study can be read here: Shin, D. Y., Mok, V. H., Lim, W. H., & Utomo, B. P. (2026). Techno-economically viable coloured BIPV modules with enhanced aesthetics and performance via animated Moiré patterns. Solar Energy, 307, 114369.