WO2013056742A1 - Dispositif de photo-stimulation - Google Patents

Dispositif de photo-stimulation Download PDF

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Publication number
WO2013056742A1
WO2013056742A1 PCT/EP2011/068407 EP2011068407W WO2013056742A1 WO 2013056742 A1 WO2013056742 A1 WO 2013056742A1 EP 2011068407 W EP2011068407 W EP 2011068407W WO 2013056742 A1 WO2013056742 A1 WO 2013056742A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guide
eye
facets
previous
Prior art date
Application number
PCT/EP2011/068407
Other languages
English (en)
Inventor
Serge Habraken
Stéphane KRSMANOVIC
Original Assignee
Patrimoine De L'universite De Liege
Psychomed.Com
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Patrimoine De L'universite De Liege, Psychomed.Com filed Critical Patrimoine De L'universite De Liege
Priority to PCT/EP2011/068407 priority Critical patent/WO2013056742A1/fr
Priority to FR1251223A priority patent/FR2981577B3/fr
Priority to PCT/EP2012/070739 priority patent/WO2013057242A1/fr
Publication of WO2013056742A1 publication Critical patent/WO2013056742A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/0618—Psychological treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • A61M21/02—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
    • A61M2021/0027—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the hearing sense
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
    • A61M2021/0044—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the sight sense
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3584—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using modem, internet or bluetooth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0626—Monitoring, verifying, controlling systems and methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/063—Radiation therapy using light comprising light transmitting means, e.g. optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
    • A61N2005/0645—Applicators worn by the patient
    • A61N2005/0647—Applicators worn by the patient the applicator adapted to be worn on the head
    • A61N2005/0648—Applicators worn by the patient the applicator adapted to be worn on the head the light being directed to the eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0664—Details
    • A61N2005/0665—Reflectors
    • A61N2005/0666—Reflectors for redirecting light to the treatment area
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

Definitions

  • the present invention is related to a photo- stimulation device for stimulating brain activity.
  • the brainwave pattern is influenced by the rhythm of repetitive sensorial stimuli. For example, when exposed to a constant rhythm of light entering the eyes, the brainwave pattern follows the received frequency inducing a state of deeper brain activity.
  • Document WO 2005/094941 discloses a system comprising optical deflection means for illuminating the eyes, the deflection means being either Fresnel refractive lenses or diffracting means. Nevertheless, in order to obtain sufficiently distributed illumination, several LEDs are used for each eye, which renders the system bulky. Furthermore, the LEDs are placed in the upper side and in front of the lens plane (i.e. out of plane), which further increases the bulkiness of the device.
  • the present invention aims to provide a compact device for photo-stimulation of the eyes, with minimised electricity consumption for a given eye illumination and providing a sufficiently homogeneous illumination .
  • the present invention is related to a device for providing homogeneous illumination of an eye, preferably for photo-stimulation purposes comprising:
  • first light guide that is optically connected to said light source and comprising a plurality of reflecting facets embossed in the light guide, the number, angular orientations and sizes of those facets being arranged for extracting light having a uniform distribution in a direction essentially perpendicular to the first light guide ;
  • a second light guide that is optically connected to the first light guide and comprising a plurality of reflecting facets embossed in the second light guide, the number, angular orientations and sizes of those facets being arranged for producing in use a uniform light distribution in a direction oriented towards the eye;
  • the device according to the invention further comprises one or a suitable combination of at least two of the following features:
  • the light source comprises a Light Emitting Diode (LED) , preferably an RGB LED;
  • LED Light Emitting Diode
  • the external surface of the side of the light guides comprising the reflecting facets is coated with at least one metal layer;
  • the embossed reflecting facets have a triangular cross section and horizontally extend from one side to the other side of the light guides;
  • the first and second light guides are separated by an air layer having a thickness comprised between 0.1 and 0.8 mm, in order to confine the light that is not reflected by the reflecting facets in the light guide;
  • the number of reflecting facets of the light guides is higher than 10;
  • the light guides have a concavity oriented in use to the eye and focuses the light to said eye;
  • the means for immobilising the device on the head of the user are arranged to maintain, in use, a distance between the eye and the second light guide of less than 2.5 cm;
  • the means for immobilising the device on the head of the user has the shape of glasses, the second light guide replacing at least one of the glasses' lenses;
  • the device further comprises batteries and a control unit comprising data storage;
  • the device further comprises audio controlling device and headphones or other audio diffusion means;
  • the device further comprises communication means.
  • FIG. 1 represents a schematic front view of the working principle of the device according to the invention .
  • Fig. 2 represents a schematic side view of the working principle of the device according to the invention.
  • Fig. 3 represents side view (a) and top view
  • Fig. 4 represents a perspective view of an example of a first light guide of a device according to the invention, corresponding to fig. 3.
  • Fig. 5 represents a front view (a), top view
  • Fig. 6 represents a perspective view of an example of a second light guide according to the invention, corresponding to fig. 5.
  • Fig. 7 represents an example of glasses design according to the invention.
  • control unit 10 control unit
  • the present invention is related to a device for homogeneously illuminating an eye, for example for photo-stimulation purposes.
  • homogeneously illuminating means that the resulting illumination of the retina is essentially homogeneously distributed on a large surface of the retina
  • a first light guide is used, the first light guide comprising reflecting facets for homogenously extracting from the light guide the light produced by a light source located on one side of the light guide.
  • the facet geometry is optimised in order to obtain a high directionality of the extracted light (see fig. 1) in a vertical direction downwards.
  • the light extracted from the first light guide is injected in a second light guide having the general shape of a glasses lens.
  • Said second light guide also comprises reflecting facets, reflecting the vertical light extracted from the first light guide towards the eye.
  • the obtained device is then fixed to means for immobilising the light guides in front of the user' s eye.
  • the fixing means have the general shape of glasses, as represented in fig. 7.
  • the device comprises two pairs of light guides for illuminating both eyes simultaneously.
  • An advantage of using the first light guide of the invention to illuminate the second light guide is the improvement of the directionality of the light in comparison to distributed light sources.
  • the geometry of the different light guides and reflecting facets can be determined by ray-tracing simulation algorithm.
  • Such algorithm calculates the light ray splitting, reflecting and refracting through the light guide. Millions of rays are generated and propagated through the optical device to verify the light distribution at the eye level.
  • Commercial ray-tracing software such as ASAP (Advance Software for Analysis Programme) commercialised by BRO are available on the market .
  • a layer of transparent material having low refractive index is advantageously inserted between the first and second light guide in order to ensure total internal reflection.
  • a layer is advantageously a thin layer of air, preferably having a thickness comprised between 0.1 and 0.8mm.
  • the second light guide extends in a vertical curved plane (cylindrical paraboloid) presenting a concavity in the direction of the eye for focusing light mainly on the pupil and iris (see fig. 5 and 6) .
  • the first light guide follows the same shape in order to ensure optical connection (see fig. 3 and 4) .
  • the entire external sides of the light guides are preferably metal coated.
  • the material of the light guides may be chosen in such a way that total internal reflection occurs. In that case, the user may still see the external environment. This may be an advantage in the case of phototherapy, wherein constant illumination of the eyes is used, for example for seasonal depression treatment or circadian cycles disorder.
  • Examples of material having sufficient refractive indexes for ensuring such reflection are PMMA, polycarbonate and conventional glass (i.e. materials having critical angles lower than the reflection angles) .
  • the second light guide is located close to the eye, so that no accommodation of the vision on the facets occurs, thereby reducing the discrete perception of the illumination.
  • the distance between the user' s eye and the second light guide is no more than 2.5 cm, and preferably comprised between 1 cm and 2 cm.
  • the number of reflecting facets is advantageously selected for reducing the discrete perception of the illumination.
  • the out-of- focus position of the second light guide permits reducing the effective resolution of the eye, so that the different light spots induced by the facets are fused together on the user's retina if the different facets are sufficiently numerous.
  • This phenomenon is already present when about 10 facets per light guide are used, but improves with the number of facets.
  • the complexity of the shape increases with the increasing number of facets. Above about 40 facets, improvements are hardly perceptible.
  • a good compromise between homogeneity and ease of production is a number of about 20 (+/-5) reflecting facets per light guide .
  • the facets are angularly and homogeneously distributed and converging to the eye pupil so as to produce an homogeneous illumination of the retina.
  • the average roughness of the reflecting surface (Ra) is preferably lower than 15 nm.
  • the light guides of the invention are made of polymeric glass such as PMMA or polycarbonate and are produced by injection moulding.
  • the portability of the device of the invention is advantageously improved by integrating batteries and a control unit in the glasses.
  • the control unit is used for controlling the intensity of the light source .
  • control unit is used for modulating the light intensity, according to predetermined frequency patterns stored in a memory.
  • the memory may either be internal memory or external memory, such as a flash memory card.
  • the device of the invention further comprises audio controlling means, such as mp3 reader (or the like) , so that the light modulation and the sound can be synchronised (correlated) by the control unit in order to induce a synergetic effect on the brain.
  • audio controlling means such as mp3 reader (or the like)
  • control unit may also include headphones.
  • the device of the invention also includes a communication unit, such as a Bluetooth connection, internal memory and connection means for reading external memory cards such as a micro-SD card.
  • a communication unit such as a Bluetooth connection
  • internal memory such as a hard disk drive
  • connection means for reading external memory cards such as a micro-SD card.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Psychology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Social Psychology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Psychiatry (AREA)
  • Hospice & Palliative Care (AREA)
  • Developmental Disabilities (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pain & Pain Management (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Eyeglasses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un dispositif pour la réalisation d'un éclairage homogène d'un œil, comprenant : - une source de lumière (3) ; - un premier guide de lumière (1) qui est optiquement relié à ladite source de lumière et comprenant une pluralité de facettes de réflexion (4) formées par gaufrage dans le guide de lumière, le nombre, les orientations angulaires et les dimensions de ces facettes étant arrangés pour extraire de la lumière ayant une distribution uniforme dans une direction sensiblement perpendiculaire au premier guide de lumière ; - un second guide de lumière (2) qui est optiquement relié au premier guide de lumière (1) et comprenant une pluralité de facettes de réflexion (6) formées par gaufrage dans le second guide de lumière, le nombre, les orientations angulaires et les dimensions de ces facettes étant arrangés pour produire, lors de l'utilisation, une distribution de lumière uniforme dans une direction orientée vers l'œil (8) ; - des moyens d'immobilisation du dispositif sur la tête d'un utilisateur.
PCT/EP2011/068407 2011-10-21 2011-10-21 Dispositif de photo-stimulation WO2013056742A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/EP2011/068407 WO2013056742A1 (fr) 2011-10-21 2011-10-21 Dispositif de photo-stimulation
FR1251223A FR2981577B3 (fr) 2011-10-21 2012-02-09 Dispositif de photostimulation
PCT/EP2012/070739 WO2013057242A1 (fr) 2011-10-21 2012-10-19 Dispositif de photo-stimulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/068407 WO2013056742A1 (fr) 2011-10-21 2011-10-21 Dispositif de photo-stimulation

Publications (1)

Publication Number Publication Date
WO2013056742A1 true WO2013056742A1 (fr) 2013-04-25

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Application Number Title Priority Date Filing Date
PCT/EP2011/068407 WO2013056742A1 (fr) 2011-10-21 2011-10-21 Dispositif de photo-stimulation
PCT/EP2012/070739 WO2013057242A1 (fr) 2011-10-21 2012-10-19 Dispositif de photo-stimulation

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/070739 WO2013057242A1 (fr) 2011-10-21 2012-10-19 Dispositif de photo-stimulation

Country Status (2)

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FR (1) FR2981577B3 (fr)
WO (2) WO2013056742A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015076335A1 (fr) * 2013-11-25 2015-05-28 シャープ株式会社 Guide de lumière et visiocasque
WO2016035517A1 (fr) * 2014-09-01 2016-03-10 シャープ株式会社 Guide de lumière et dispositif d'affichage d'image virtuelle
US10156778B2 (en) 2016-02-24 2018-12-18 Omron Corporation Display device for projecting image in midair using light guide plate
CN113648543A (zh) * 2021-08-18 2021-11-16 江苏集萃有机光电技术研究所有限公司 一种光疗眼镜及其的控制方法
WO2021262452A1 (fr) * 2020-06-23 2021-12-30 Lumitex, Inc. Dispositif de photothérapie et de photobiomodulation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105065950A (zh) * 2015-09-01 2015-11-18 深圳前海冰寒信息科技有限公司 用于智能睡眠设备上的多区域照射发光模组结构
GB2554416A (en) * 2016-09-26 2018-04-04 Design Led Ltd Illuminated eyewear device
DE102020110284A1 (de) * 2020-04-15 2021-10-21 Ciromed GmbH Vorrichtung zur Strahlungsbehandlung der Netzhaut

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US5599274A (en) 1993-12-28 1997-02-04 Nusa Widjaja Trophotropic response system
US5923398A (en) * 1995-06-15 1999-07-13 Enlightened Technologies, Inc. Interactive light field for non-visual stimulation
US6092904A (en) * 1994-06-08 2000-07-25 Clio Technologies Flat and transparent front-lighting system using microprisms
US20010001260A1 (en) * 1995-06-27 2001-05-17 Parker Jeffery R. Illuminated surgical retractor
EP1215522A2 (fr) * 2000-12-15 2002-06-19 Samsung Electronics Co., Ltd. Dispositif de visualisation portable comprenant un guide d'onde
WO2004109349A2 (fr) * 2003-06-10 2004-12-16 Elop Electro-Optics Industries Ltd. Procede et systeme servant a afficher une image informative sur une image d'arriere-plan
WO2005094941A1 (fr) 2004-03-31 2005-10-13 Constructions Electriques Schreder Procede et dispositif de phototherapie
EP1942364A1 (fr) * 2005-09-14 2008-07-09 Mirage Innovations Ltd. Relais optique à diffraction et son procédé de fabrication
WO2008131454A1 (fr) 2007-04-24 2008-10-30 Altman Mitchell A Lunettes guide
US20110058122A1 (en) * 2009-04-08 2011-03-10 Shinichi Shikii Surface illumination apparatus and liquid crystal display using same
US20110194163A1 (en) * 2008-11-26 2011-08-11 Konica Minolta Opto, Inc. Image display device and head-mounted display

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US8462292B2 (en) * 2008-07-31 2013-06-11 Rambus Delaware Llc Optically transmissive substrates and light emitting assemblies and methods of making same, and methods of displaying images using the optically transmissive substrates and light emitting assemblies

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5599274A (en) 1993-12-28 1997-02-04 Nusa Widjaja Trophotropic response system
US6092904A (en) * 1994-06-08 2000-07-25 Clio Technologies Flat and transparent front-lighting system using microprisms
US5923398A (en) * 1995-06-15 1999-07-13 Enlightened Technologies, Inc. Interactive light field for non-visual stimulation
US20010001260A1 (en) * 1995-06-27 2001-05-17 Parker Jeffery R. Illuminated surgical retractor
EP1215522A2 (fr) * 2000-12-15 2002-06-19 Samsung Electronics Co., Ltd. Dispositif de visualisation portable comprenant un guide d'onde
WO2004109349A2 (fr) * 2003-06-10 2004-12-16 Elop Electro-Optics Industries Ltd. Procede et systeme servant a afficher une image informative sur une image d'arriere-plan
WO2005094941A1 (fr) 2004-03-31 2005-10-13 Constructions Electriques Schreder Procede et dispositif de phototherapie
EP1942364A1 (fr) * 2005-09-14 2008-07-09 Mirage Innovations Ltd. Relais optique à diffraction et son procédé de fabrication
WO2008131454A1 (fr) 2007-04-24 2008-10-30 Altman Mitchell A Lunettes guide
US20110194163A1 (en) * 2008-11-26 2011-08-11 Konica Minolta Opto, Inc. Image display device and head-mounted display
US20110058122A1 (en) * 2009-04-08 2011-03-10 Shinichi Shikii Surface illumination apparatus and liquid crystal display using same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015076335A1 (fr) * 2013-11-25 2015-05-28 シャープ株式会社 Guide de lumière et visiocasque
JPWO2015076335A1 (ja) * 2013-11-25 2017-03-16 シャープ株式会社 ライトガイドおよびヘッドマウントディスプレイ
WO2016035517A1 (fr) * 2014-09-01 2016-03-10 シャープ株式会社 Guide de lumière et dispositif d'affichage d'image virtuelle
US10156778B2 (en) 2016-02-24 2018-12-18 Omron Corporation Display device for projecting image in midair using light guide plate
DE112017000010B4 (de) 2016-02-24 2020-04-23 Omron Corporation Anzeigevorrichtung
WO2021262452A1 (fr) * 2020-06-23 2021-12-30 Lumitex, Inc. Dispositif de photothérapie et de photobiomodulation
WO2021262451A1 (fr) * 2020-06-23 2021-12-30 Lumitex, Inc. Dispositif de photothérapie et de photobiomodulation
CN113648543A (zh) * 2021-08-18 2021-11-16 江苏集萃有机光电技术研究所有限公司 一种光疗眼镜及其的控制方法
CN113648543B (zh) * 2021-08-18 2023-06-02 江苏集萃有机光电技术研究所有限公司 一种光疗眼镜及其的控制方法

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Publication number Publication date
FR2981577A3 (fr) 2013-04-26
WO2013057242A1 (fr) 2013-04-25
FR2981577B3 (fr) 2014-03-14

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