13.1: Ocular OLED-HMD with Simultaneous Eye-Tracking

Riehemann, S.; Lippmann, Uwe; Palme, Martin; Vangdal, Vegard; Thomson, Tormod; Notni, Gunther

doi:10.1889/1.2433317

Cited by 7 publications

(4 citation statements)

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“…Such system are used in different fields of application like metrology, multimedia, and automotive. [1][2][3][4][5][6] Typically active optical system like a camera including a projection unit (e.g. Nikon Coolpix S1000pj) are based on two different electro-optical devices, an image generating element and a detector device.…”

Section: Introductionmentioning

confidence: 99%

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Optical system designs based on bi-directional sensor devices

et al. 2012

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Small and compact optical system designs are needed in nearly all application scenarios of optical projection and imaging systems, e.g. automotive, metrology, medical or multimedia. Most active optical systems are based on separated imaging (e.g. camera unit) and image generating units (e.g. projection unit). This fact limits the geometrical miniaturization of the system. We present compact optical system designs using the new technology of bi-directional sensor devices. These devices combine light emitting and light detecting elements on one single chip. The application of such innovative opto-electronic devices -so-called bi-directional OLED microdisplays (BiMiDs) -offer a huge potential for miniaturization with a simultaneous increase of performance due to a new integration step. For these new bi-directional sensor devices new optical design concepts for simultaneous and sequential emission and detection are necessary. Because the simultaneous emission and detection can disturb the functionality of the optical system. New concepts has to be applied. A first concept is an exemplary 3-D metrology system applying fringe projection. A second concept is a pico-projection system with an integrated camera function. For both concepts the system configurations and the optical design are discussed. Due to the application of the bi-directional sensor device ultra-compact systems are presented.

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Section: Introductionmentioning

confidence: 99%

“…multimedia, medical and metrology applications). [1][2][3][4][5][6] Such devices comprise light source and light modulator in one element, minimizing the number of components in a system. In contrast to conventional projection systems OLED microdisplays allow a simple and small system integration.…”

Section: Introductionmentioning

confidence: 99%

Optical system designs based on bi-directional sensor devices

et al. 2012

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“…multimedia, medical and metrology applications). [2][3][4][5][6][7] Such devices comprise light source and light modulator in one element, minimizing the number of components in a system. In contrast to conventional projection systems OLED microdisplays allow a simple and small system integration.…”

Section: Introductionmentioning

confidence: 99%

3D metrology system based on a bi-directional OLED microdisplay

et al. 2012

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Expanding demands on manufacturing technology increase the requirements on necessary non-contact metrology. Several optical metrology systems are based on separated imaging (e.g. camera unit) and image generating units (e.g. projection unit). This fact limits the geometrical miniaturization of the system. We present a compact, highly integrated 3-D metrology system based on the fringe projection principle using a bi-directional OLED microdisplay. The microdisplay combines light emitting pixels based on OLED technology (projection unit) and light detecting pixels based on photo diode technology (camera unit) on one single device, realized by the OLED-on-CMOS-technology. This technology provides the opportunity for a further miniaturization of optical metrology systems. The 3-D metrology system is based on fringe projection onto the surface of the measurement object. The fringes will appear deformed when observed from a dierent angle (triangulation angle). From the deformation of the fringes the 3-D coordinates of all visible points can be calculated and thus the object shape can be determined. For the application of an 3-D Sensor and due an internal display eect, separate lenses for projection and imaging are necessary. The system principle and several optical system congurations are discussed. Due to the application of the bi-directional OLED microdisplay the fringe generating elements and the detectors will be combined into one single device. Based on this integrated device an ultra-compact and solid system concept for 3-D surface metrology is practicable

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“…OLED microdisplays are actually state of the art and are used in a wide range of applications, e.g. multimedia, medical and metrology applications [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

7.1: Inverse Confocal Sensor Based on a Bidirectional OLED Display

Großmann

Perske

Zwick

et al. 2011

Symp Digest of Tech Papers

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Bidirectional OLED-based microdisplays offer interesting possibilities for new applications. Light emission and detection is combined on one single chip by using OLED on CMOS technology. Such a chip has primarily been developed for optocouplers or photo-electric barriers, but it offers interesting possibilities for other fields. A new optical concept of an inverse confocal sensor based on bidirectional OLED Display will be presented.

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13.1: Ocular OLED-HMD with Simultaneous Eye-Tracking

Cited by 7 publications

References 1 publication

Optical system designs based on bi-directional sensor devices

Optical system designs based on bi-directional sensor devices

3D metrology system based on a bi-directional OLED microdisplay

7.1: Inverse Confocal Sensor Based on a Bidirectional OLED Display

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