High-Brightness 3D Holographic Advertising for Interactive Advertisements and Product Presentations

In holographic display technology, holographic high-definition fans stand out for their "simple structure and intuitive effect."

They require no complex holographic film or projection screen; relying solely on high-speed rotating blades and miniature light sources, they can "weave" suspended 3D images in the air, giving flat images a sense of spatial depth and providing a highly impactful visual experience for commercial displays, interactive entertainment, and advertising.

The blades of holographic high-definition fans are typically made of lightweight, high-strength materials (such as carbon fiber and ABS plastic).

Thin and lightweight, they can withstand the centrifugal force generated by high-speed rotation while reducing air resistance, ensuring rotational stability and quiet operation. The number of blades is usually 3-6, symmetrically distributed, forming a circular "imaging area" during rotation—this area is the "carrier" of the holographic image. The faster the blades rotate, the stronger the "continuity" of the imaging area, resulting in a smoother final image. Common rotation speeds can reach 50-100 revolutions per second, far exceeding the human eye's visual persistence threshold.

The blades are uniformly inlaid with numerous miniature LEDs (or other high-brightness light sources).

These LEDs, like "pixels," are the core units for image generation. LEDs are characterized by high brightness, fast response speed, and low energy consumption, enabling them to switch on and off and change colors in an extremely short time (response time can be as low as nanoseconds), ensuring rapid image refresh. Simultaneously, the density and color reproduction of the LEDs directly affect image clarity—higher LED density results in richer image details; a wider color gamut produces a more realistic image. Some high-end holographic fans even support RGB tri-color LEDs, capable of displaying tens of millions of colors.

The 3D imaging of holographic fans is essentially a combination of the "persistence of vision" effect and "precise light control." By controlling the blade rotation speed and the timing of the LEDs' on/off states, discrete light points form a continuous 3D image in the human eye.

Unlike traditional flat screens, the images on a holographic fan do not rely on any physical carrier; they float directly in the air and support 360-degree surround viewing—viewers can see the side and back of the image from different angles, just like a real object floating in the air, creating a strong sense of spatial depth. For example, when displaying a piece of jewelry, viewers can walk around the holographic fan and clearly see the side textures and back setting details of the jewelry, with a three-dimensional effect far exceeding that of flat images or videos, giving viewers the illusion of "being able to touch it."

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