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CPC Subgroup
H04N 13/388

Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume

Full Title

Stereoscopic video systems; Multi-view video systems; Details thereof > Image reproducers (optical systems for producing stereoscopic or other three-dimensional [3D] effects G02B30/00) > Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume

3 direct subcodes

Child Classifications

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  • H04N 13/39 the picture elements emitting light at places where a pair of light beams intersect in a transparent material
  • H04N 13/393 the volume being generated by a moving, e.g. vibrating or rotating, surface
  • H04N 13/395 with depth sampling, i.e. the volume being constructed from a stack or sequence of two-dimensional [2D] image planes

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498