Holographic display simulation device and method

Patent metadata

Field	Value
Publication number	US-12488160-B2
Application number	US-202117543480-A
Country	US
Kind code	B2
Filing date	Dec 6, 2021
Priority date	Jan 20, 2021
Publication date	Dec 2, 2025
Grant date	Dec 2, 2025

Abstract

A holographic display simulation device and a holographic display simulation method are provided. A holographic display simulation device includes a processor; and a memory including one or more instructions, wherein the one or more instructions are executed by the processor, and a holographic display is simulated by using at least one of a light source part model, a spatial light modulator model, and a display optical system model that respectively model a light source part, a spatial light modulator, and a display optical system of the holographic display.

First claim

What is claimed is:

1 . A holographic display simulation device, comprising:
a processor; and a memory including one or more instructions, wherein the one or more instructions are executed by the processor, and a holographic display is simulated by using one or more of a light source part model, a spatial light modulator model, and a display optical system model, the light source part model, the spatial light modulator model, and the display optical system model respectively corresponding to a light source part, a spatial light modulator, and a display optical system of the holographic display, wherein, when the holographic display is simulated by using the light source part model, the processor inputs first format data to the light source part model to obtain a first output wave field as a result of partial coherence simulation for the light source part, and wherein, in the first format data, temporal partial coherence type information is included as an XML schema to define the light source part model.

2 . The holographic display simulation device of claim 1 , wherein
in the first format data, spatial partial coherence type information is included as an XML schema to define the light source part model.

3 . The holographic display simulation device of claim 1 , wherein, when the holographic display is simulated by further using the spatial light modulator model,
the first output wave field is provided to the spatial light modulator model.

4 . The holographic display simulation device of claim 1 , further comprising
a storage device storing a model library including the one or more of the light source part model, the spatial light modulator model, and the display optical system model.

5 . A holographic display simulation device, comprising:
a processor; and a memory including one or more instructions, wherein the one or more instructions are executed by the processor, and a holographic display is simulated by using one or more of a light source part model, a spatial light modulator model, and a display optical system model, the light source part model, the spatial light modulator model, and the display optical system model respectively corresponding to a light source part, a spatial light modulator, and a display optical system of the holographic display, wherein, when the holographic display is simulated by using the spatial light modulator model, the processor inputs second format data to the spatial light modulator model to obtain a second output wave field as a result of simulation for the spatial light modulator, wherein, in the second format data, holographic data type information is included as an XML schema to define the spatial light modulator model.

6 . The holographic display simulation device of claim 5 , wherein, when the holographic display is simulated by further using the display optical system model,
the second output wave field is provided to the display optical system model.

7 . The holographic display simulation device of claim 5 , wherein
the display optical system model includes a wavefront aberration model and a cascaded propagation model, and when the holographic display is simulated by further using the display optical system model, the processor inputs third format data to the wavefront aberration model to obtain a third output wave field as a result of simulation for a wavefront aberration of the holographic display.

8 . The holographic display simulation device of claim 7 , wherein
in the third format data, wavefront aberration type information is included as an XML schema to define the wavefront aberration model.

9 . The holographic display simulation device of claim 7 , wherein
the third output wave field is provided to the cascaded propagation model.

10 . The holographic display simulation device of claim 7 , wherein
the processor inputs fourth format data to the cascaded propagation model to obtain a fourth output wave field as a result of simulation for cascaded propagation of the holographic display.

11 . The holographic display simulation device of claim 10 , wherein
in the fourth format data, cascaded propagation type information is included as an XML schema to define the cascaded propagation model.

12 . A holographic display simulation method, comprising:
being provided with one or more of a light source part model, a spatial light modulator model, and a display optical system model, the light source part model, the spatial light modulator model, and the display optical system model respectively corresponding to a light source part, a spatial light modulator, and a display optical system of a holographic display; simulating the holographic display by using the one or more of the light source part model, the spatial light modulator model, and the display optical system model; and obtaining a wave field as a result of the simulating, wherein, when the simulating uses the light source part model, the simulating includes inputting first format data to the light source part model and performing a partial coherence simulation for the light source part, wherein, in the first format data, temporal partial coherence type information is included as an XML schema to define the light source part model.

13 . The holographic display simulation method of claim 12 , wherein, when the simulating uses the spatial light modulator model,
the simulating includes inputting second format data to the spatial light modulator model and performing a simulation for the spatial light modulator.

14 . The holographic display simulation method of claim 12 , wherein
the display optical system model includes a wavefront aberration model and a cascaded propagation model, and when the simulating uses the display optical system model, the simulating includes inputting third format data to the wavefront aberration model and performing a simulation for a wavefront aberration of the holographic display.

15 . The holographic display simulation method of claim 14 , wherein
the simulating includes inputting fourth format data to the cascaded propagation model and performing a simulation for cascaded propagation of the holographic display.

16 . The holographic display simulation method of claim 12 , further comprising
accessing a model library including the one or more of the light source part model, the spatial light modulator model, and the display optical system model from a storage device.

Assignees

• Electronics & Telecommunications Res Inst

Inventors

• Nam Jeho
• Park Min-Sik
• Shin Seung Hyup

Classifications

• G03H1/268

  Holographic stereogram · CPC title

• G03H1/0891

  Processes or apparatus adapted to convert digital holographic data into a hologram (G03H1/2294 takes precedence) · CPC title

• G03H2240/62

  Sampling aspect applied to sensor or display · CPC title

• G03H2240/61

  SLM related parameters, e.g. pixel size · CPC title

• G03H2240/56

  Resolution · CPC title