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Curved display based on programming origami tessellations.

Yang Deng1, Weixuan Liu2, Yik Kin Cheung1

  • 1Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Kowloon Hong Kong, SAR 999077 China.

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Summary
This summary is machine-generated.

Researchers developed a novel method for creating curved displays in complex, nondevelopable shapes. This structure-mechanics-inspired approach enables foldable circuit boards for advanced 3D display prototypes suitable for mass production.

Keywords:
Electrical and electronic engineeringOptical materials and structures

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Display Technology

Background:

  • Flexible displays are increasingly popular but limited to developable surfaces.
  • Current flexible display technology struggles with non-developable surfaces like spheres and saddles.
  • There is a need for methods to create displays conforming to arbitrary curved shapes.

Purpose of the Study:

  • To develop a method for producing curved displays on nondevelopable surfaces.
  • To design tessellation patterns using a structure-mechanics-inspired functional optimization approach.
  • To demonstrate the feasibility of manufacturing and mass-producing these advanced displays.

Main Methods:

  • Utilized a structure-mechanics-inspired functional optimization method to design tessellation patterns.
  • Employed microfabrication for 2D flexible foldable circuit boards.
  • Applied pick-and-place technology for component assembly and mold guidance for 3D folding.
  • Demonstrated prototypes in spherical and saddle shapes.

Main Results:

  • Successfully designed and fabricated tessellation patterns for nondevelopable display shapes.
  • Created representative curved displays in spherical and saddle configurations.
  • Validated the manufacturing process using microfabrication, pick-and-place, and mold guidance.
  • Demonstrated the technology's feasibility for mass production.

Conclusions:

  • The proposed method enables the creation of curved displays on nondevelopable surfaces.
  • This technology advances the application of next-generation curved displays for industry and consumers.
  • The developed process is suitable for mass production, paving the way for wider adoption.