3.3: Design and Modeling of a Refractive Liquid Crystal Lens for Tunable Optical Correction in 3‐D Stereoscopic Displays

Li, Liwei; Shi, Lei; Bryant, Douglas; Bos, Philip J.; Heugten, Tony Van; Duston, D.

doi:10.1889/1.3621513

Cited by 7 publications

(8 citation statements)

References 8 publications

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“…The simple approach considered here is based on the idea that using multi-focal length lenses could allow the user to select the correct focus distance based on the object being considered [6,7]. Subsequently, the incorporation of electronic lenses whose power is controlled by the convergence angle of the user's eyes has been proposed [8]. To control the power of the electronic lenses, eyetracking is used to determine the distance to the object being considered by the user.…”

Section: A Simple Solution To the Accommodationconvergence Mismatch Pmentioning

confidence: 99%

28-2:Invited Paper: Simple Method to Reduce Accommodation Fatigue in Virtual Reality and Augmented Reality Displays

Bos

Bryant

et al. 2016

SID Symposium Digest of Technical Papers

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Currently available head-mounted displays for virtual and augmented reality systems provide many of the visual cues that a viewer senses in the real world, but not the important accommodation cue. Approaches to solve this problem have been considered, but proposed solutions come at significant cost in terms of image quality and system complexity. In this paper we propose a simple system, based on electronic liquid crystal lenses. The design and performance of applicable electronic lenses are presented. A surprising result of the proposed design is the potential for a reduced system bandwidth.

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Section: A Simple Solution To the Accommodationconvergence Mismatch Pmentioning

confidence: 99%

28-2:Invited Paper: Simple Method to Reduce Accommodation Fatigue in Virtual Reality and Augmented Reality Displays

Bos

Bryant

et al. 2016

SID Symposium Digest of Technical Papers

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“…This phenomenon creates virtual images in front of the display surface, called front depth. Likewise, virtual images are created behind the display surface by positive disparity, called the rear depth [5][6][7][8].…”

Section: Depth Sensitivity Principle By Binocular Disparitymentioning

confidence: 99%

Depth sensitivity of stereoscopic displays

Choi

Lee

et al. 2012

Journal of Information Display

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Depth sensitivity is considered one of the factors influencing 3D displays the most. In this paper, the perceptual 3D depth was quantitatively measured to compare the depth difference among the display devices. No difference was found in the typical display performance among the devices, but the subjective evaluation of the depth sensitivity where the disparity was varied showed that the organic light emitting diode (OLED) had the highest performance, mainly due to its almost 0% crosstalk, one of the features of OLED. Crosstalk is a form of image superposition that greatly affects the depth sensitivity. The experiment results showed that the quantitative depth sensitivity varies due to geometric factors such as disparity, viewing distance, and subjective sensitivity, depending on the display image characteristics, such as crosstalk and contrast.

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“…The LC director field calculation takes the electrode pattern, applied voltages, cell thickness, and the liquid crystal properties as input, numerically calculates the 2D director profile throughout the cell. Then, the Optical Path Difference (OPD) or phase profile of the lens can be calculated by integrating the effective refractive index across the cell thickness for each point on the lens surface [3].…”

Section: Lc Calculations and Lens Modelingmentioning

confidence: 99%

“…We have made a high power LC lens with our previously introduced design and fabrication methods [3] (Fig. 6).…”

Section: Lens Fabrication For Demonstrationmentioning

confidence: 99%

“…In 3-D display applications, high quality lenses, as important optical components, are in great need for input and output of the system. For example, lenticular lens array is used in autostereoscopic 2D 3D switchable displays [1]; Also, it has been demonstrated that using a corrective lens of tunable refractive power is able to effectively reduce this discrepancy between accommodation and convergence and weaken the visual fatigue it causes [2,3].…”

Section: Introductionmentioning

confidence: 99%

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29.1: Overview of Factors Affecting Lens Performance for 3D Displays

Bryant

Heugten³

et al. 2012

Symp Digest of Tech Papers

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In response to the demand for high quality tunable lenses in 3-D display applications, we discuss the effects of different design factors on liquid crystal based electro-optic lens performance with LC modeling and lens modeling methods. In addition, a high quality LC lens is demonstrated, and measurement approaches are introduced to evaluate the performance in terms of particular metrics, and verify the modeling results. KeywordsLiquid crystal device; LC tunable lens; electro-optic lens design; 3D displays 29.

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3.3: Design and Modeling of a Refractive Liquid Crystal Lens for Tunable Optical Correction in 3‐D Stereoscopic Displays

Cited by 7 publications

References 8 publications

28-2:Invited Paper: Simple Method to Reduce Accommodation Fatigue in Virtual Reality and Augmented Reality Displays

28-2:Invited Paper: Simple Method to Reduce Accommodation Fatigue in Virtual Reality and Augmented Reality Displays

Depth sensitivity of stereoscopic displays

29.1: Overview of Factors Affecting Lens Performance for 3D Displays

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