8.4: <i>Distinguished Paper</i>: A Full Color Eyewear Display Using Holographic Planar Waveguides

Mukawa, Hiroshi; Akutsu, Katsuyuki; Matsumura, Ikuo; Nakano, Satoshi; Yoshida, Toshiomi; Kuwahara, Mieko; Aiki, Kazuma; Ogawa, Masataka

doi:10.1889/1.3069819

Cited by 75 publications

(54 citation statements)

References 4 publications

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“…In order to avoid a ghost image, designing a complex layer and sophisticated coating craft was required. For a waveguide display based on diffraction theory, Nokia [32][33][34], Konica Minolta [35], Sony [36] and BAE Systems [37][38][39] corporations have used diffractive optical elements (DOEs) or holographic optical elements (HOEs) to develop their waveguide display systems. Though DOEs can achieved high diffraction efficiency, the feature sizes of the DOEs and the FOV of the display are a trade-off (Nokia).…”

Section: Introductionmentioning

confidence: 99%

Portable waveguide display system with a large field of view by integrating freeform elements and volume holograms

et al. 2015

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A compact waveguide display system integrating freeform elements and volume holograms is presented here for the first time. The use of freeform elements can broaden the field of view, which limits the applications of a holographic waveguide. An optimized system can achieve a diagonal field of view of 45° when the thickness of the waveguide planar is 3mm. Freeform-elements in-coupler and the volume holograms outcoupler were designed in detail in our study, and the influence of grating configurations on diffraction efficiency was analyzed thoroughly. The offaxis aberrations were well compensated by the in-coupler and the diffraction efficiency of the optimized waveguide display system could reach 87.57%. With integrated design, stability and reliability of this monochromatic display system were achieved and the alignment of the system was easily controlled by the record of the volume holograms, which makes mass production possible.

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Section: Introductionmentioning

confidence: 99%

Portable waveguide display system with a large field of view by integrating freeform elements and volume holograms

et al. 2015

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“…For coherent light, HCPLS can be used as a light source for metrology or diffractive components for display application [1][2][3][4]. As for incoherent light, HCPLS can be applied in the field related to illumination, projection, and display.…”

Section: Introductionmentioning

confidence: 99%

A slim apparatus of transferring discrete LEDs’ light into an ultra-collimated planar light source

Teng¹,

Sun²,

Tseng³

et al. 2013

Opt. Express

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In this paper, we proposed a novel apparatus, which has very slim volume and can transfer light emitted from discrete LEDs into a uniform and ultra-collimated planar light source (UCPLS). This apparatus adopts the two-layer folded frame and two-stage CPC design so that thickness of the entire apparatus can be minimized; especially the feeder in the two-stage CPC design can greatly reduce the thickness of the CPC and make the light passing through the second-stage CPC become much more collimated. In addition, by side-by-side arrangement, a large-sized UCPLS can also be obtained. In our embodiment with an emitting area of the upper LGP of 280 mmX80 mm and a LED with optical flux of 8 lumens used as the light source, the performance according to the related simulation results shows as follows: angular FWHM of the resultant light emitted from the apparatus in the vertical and horizontal is 4.87 degrees and 24 degrees, respectively; spatial uniformity and total energy efficiency reach 84% and 69%, respectively; the average head-on luminance reaches up 5600 nit, yet this apparatus consumes just 60 mW. Furthermore, the results also demonstrate this design has potential to be applied to the product of 23 inches above while thickness of the entire apparatus is only 2.2 mm.

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“…Compared with the traditional seethrough head mounted display [1][2][3][4][5], this technique can dramatically reduce the size and the weight of the display system. However, due to the application of the volume holographic optical elements, two fatal challenges, the seriously chromatic dispersion and the low coupling efficiency, are faced.…”

Section: Introductionmentioning

confidence: 99%

“…Considering the chromatic dispersion, L.Eisen et al [4] proposed a method to resort to gradient-index substrate, and Hiroshi Mukawa et al [5] proposed a method that three layers of volume holograms are used to modulate the red, the green, and the blue color respectively. The material of each layer in the three-layer volume holographic planes is sensitive to fixed wavelength when they are fabricated.…”

Section: Introductionmentioning

confidence: 99%

64.1: High Efficiency Waveguide Display System with Achromatic Volume Hologram and a Prism In‐coupler

Liu

Wang

2013

Symp Digest of Tech Papers

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8.4: Distinguished Paper: A Full Color Eyewear Display Using Holographic Planar Waveguides

Cited by 75 publications

References 4 publications

Portable waveguide display system with a large field of view by integrating freeform elements and volume holograms

Portable waveguide display system with a large field of view by integrating freeform elements and volume holograms

A slim apparatus of transferring discrete LEDs’ light into an ultra-collimated planar light source

64.1: High Efficiency Waveguide Display System with Achromatic Volume Hologram and a Prism In‐coupler

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