Six-primary-laser projection display system: demonstration and stereo color gamut measurement
The mainstream light sources of display systems currently include LEDs, OLEDs, micro-LEDs, and lasers, primarily based on the three primary color systems with different color rendering abilities. A narrow-spectrum light source, such as laser, is typically used to enlarge the color gamut of a display...
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Veröffentlicht in: | Optics express 2021-12, Vol.29 (26), p.43885 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The mainstream light sources of display systems currently include LEDs, OLEDs, micro-LEDs, and lasers, primarily based on the three primary color systems with different color rendering abilities. A narrow-spectrum light source, such as laser, is typically used to enlarge the color gamut of a display system. Another approach is to add more primaries. In this regard, we develop a six-primary-laser projection display system compatible with 2D and 3D display, with wavelengths of 445 nm, 465 nm, 520 nm, 550 nm, 638 nm and 660 nm. We propose a simple, fast method to determine the luminance of each primary laser, by which the gamut volume can be calculated. We also propose a gamut measurement method for the six-primary-laser display system, describe the gamut boundary, and measure the gamut volume. The calculated maximum color gamut of the proposed system is 2347400, corresponding to 184.49% NTSC, while the measured color gamut is 2269900, corresponding to 178.4% NTSC. These results are in good agreement with the theoretical calculations, indicating the accuracy of the proposed analytical and experimental methods. Moreover, the time-multiplexed stereoscopic display technology and the spectral separation method would allow the development of a remarkable three-dimensional visual experience with high light efficiency and low crosstalk in full-field of view. |
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ISSN: | 1094-4087 1094-4087 |
DOI: | 10.1364/OE.446944 |