EP3935620A1 - Dispositif d'aide visuelle - Google Patents

Dispositif d'aide visuelle

Info

Publication number
EP3935620A1
EP3935620A1 EP20711079.2A EP20711079A EP3935620A1 EP 3935620 A1 EP3935620 A1 EP 3935620A1 EP 20711079 A EP20711079 A EP 20711079A EP 3935620 A1 EP3935620 A1 EP 3935620A1
Authority
EP
European Patent Office
Prior art keywords
visibility
parameters
user
visual
control
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20711079.2A
Other languages
German (de)
English (en)
Inventor
Christian P. Benzing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3935620A1 publication Critical patent/EP3935620A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user

Definitions

  • the invention relates to a visual aid device with a control device and an adapter device which interacts with this and which acts on one or more control elements which are designed to influence the visibility of information content optically displayed on an image area by changing visibility parameters.
  • Image areas such as visible areas of screens
  • a control device acting on this usually manually under different viewing conditions, eg. B. influenced by changing light conditions, variable by changing visibility parameters to improve the visibility of information content displayed on it, such as when viewing a TV screen or a computer screen or a tablet or smartphone.
  • the viewer sets the visibility z.
  • US Pat. No. 6,624,828 B1 specifies a device and a method for improving the perceptual quality of displayed images.
  • the display is controlled while monitoring the display device and / or the ambient light conditions, and specific perceptual abilities of a user are also taken into account.
  • the display surface is controlled pixel by pixel in order to achieve a user-adapted comparison between color correction and resolution.
  • the present invention is based on the object of providing a visual aid device of the type mentioned at the outset, which results in an improvement in visibility, in particular for viewers with poor eyesight.
  • user-specific visual data are stored or can be stored in the adapter device and that the adapter device is used as a function of the visual data automatic user-specific action on the control elements (which can be implemented at least in part by software for example) to change visibility parameters by means of adjustment data is designed in such a way that the visibility of the information content displayed is optimized for each user.
  • the adapter device can, for. B. implemented entirely or partially by software, for example implemented entirely or partially in a device controller.
  • control element (s) has / have one or a combination of at least two of the control elements size control, luminance control, color control, and interference light suppression.
  • the visibility parameters that can be changed by means of the control elements include at least one of the parameters size, geometric distortion, luminance and / or color of the information displayed, luminance of the background, contrast, color of the background, inten sity of incident, reflected and / or absorbed ambient light, spectra le composition of the incident, reflected and / or absorbed ambient light, angle of incidence and / or angle of reflection of ambient light, scattered light distribution.
  • control element (s) have an optical attachment arranged in front of the screen in the direction of view of a user and / or a signal converter that acts on the screen, in particular an electronically controlled screen, for user-specific optimization of the Has / have visibility of the information content presented.
  • control options for adaptation consist in the fact that the control device, in cooperation with the adapter device and / or the control elements, is / are designed to vary the visibility parameters in stages or continuously.
  • the detection device can use any sensor units that may be present, such as a position sensor, acceleration sensor, computer camera or smartphone.
  • advantageous refinements consist in that the detection device for detecting environmental parameters has / have an illuminance measuring device and / or orientation detection of the image surface, and furthermore in that the detection device for detecting user parameters has a viewing direction detection device and / or a user detection device (possibly with user-specific Visual data such as visual acuity, color ametropia, lens curvature and the like).
  • FIG. 1 a schematic representation of a visual aid device
  • FIG. 1 shows a visual aid device 3 with an image area 2 viewed by the eye 1 of a user (Be viewer, observer), on which information content z.
  • B. in the form of figures and / or characters, such as numbers and letters, are shown.
  • the visual aid device 3 comprises an adapter device 30 which (in this figure Control elements (not shown in detail) for varying visibility parameters acts in such a way that the visibility of the information content displayed is optimized for the viewer individually according to his or her visual characteristics.
  • environmental parameters such.
  • the adapter device 30 works together with a control device 10 in order to optimize the visibility parameters as a function of the visual data of the viewer via the control elements.
  • the control elements can be implemented in whole or in part by electronic circuits and / or software.
  • the visual axis and its alignment or point of impact on the image surface 2 and / or the gaze behavior are detected and corresponding visual data are stored in a storage device of the adapter device 30 in order to optimize the visibility parameters based thereon.
  • individual visual data for one or more observers can be used in the adapter device 30 from the outset to optimize the adjustment of the visibility parameters.
  • B. by manual input z. B. via buttons, a setting wheel or a reader or the like.
  • the visual data of the relevant viewer can then be selected by manual selection or automatic recognition of the user in the adapter device 30 and the visibility parameters can be set as a function of the individual visual data via a converter branch 32 in order to optimize the visibility individually for the respective user.
  • the image area 2 z. B. represent the visible surface of a screen 20, on the information content to be represented are alternately controllable, such. B. changing or moving images.
  • the screen 20 is provided with an optical attachment 22 in the viewing direction of the eye 1 in front of the image surface 2.
  • the optical attachment 22 is z. B.
  • Light control properties such as. B. by liquid crystal cells can be used to suppress disturbing ambient light and to improve the visibility of the information displayed content, such. B. by darkening the visible surface in bright sun nenlicht on the screen of a smartphone, by increasing the contrast and / or by improving the color rendering. Enlargement of details by means of magnifying optics or compensating optics for distorting image perception or other visual defects are also possible with the optical attachment 22.
  • electrically controllable optical elements can be used here, with control of the optical attachment 22 by means of the adapter device 30 in cooperation with the control device 10 via a z.
  • wireless signal transmission takes place via an auxiliary branch 33.
  • Different optical layers with relevant properties in the form of passive and / or active (in particular electro-optically or magneto-optically controllable) layer optics can be used for the construction of the optical attachment.
  • the visibility of the information content to be displayed can be optimized via a control element in the form of a signal converter 21 that controls the visibility parameters sets the individual visual data of the observer, which is supplied by means of the adapter device 30 via a converter branch 32 wirelessly or wired to the who.
  • the signal converter 21 fits z. B. the luminance of the background and / or the information content displayed on the screen or the contrast between characters and background in such a way that optimal visibility is achieved under the given lighting conditions and Be observation conditions or visual properties of the viewer.
  • the signal converter 21 can also be used, for example, to optimize color values such as saturation, hue and brightness of the respective color, taking ambient light into account. It can also, for. B.
  • a color weakness of a viewer can be taken into account individually with regard to optimal visibility.
  • a spectral composition of interfering ambient light can be analyzed (for example via the detection device 4) and compensated for individually for the respective observer by changing the visibility parameters with regard to optimizing the visibility.
  • ophthalmologically determined parameters characterizing the visual ability such as visual acuity, lens opacity, color ametropia, astigmatism, cylinder, dioptre number or accommodation ability, adaptation ability and the like can be stored.
  • a visual acuity V of 0.8 is entered with its visual data
  • a distance-dependent enlargement can be made automatically by offsetting a recorded observation distance for a normal-sighted observer.
  • the observation distance can be, for. B. can be determined via trigonometric relationships including the individual eye relief in the adapter device 30 or the control device.
  • the eye relief can be stored beforehand with the visual data or z. B. measured by a calibration measurement at a given distance and a given orientation of the head, for example using a built-in camera of the screen device, and automatically recorded and stored.
  • a distance-dependent controlled or regulated enlargement on the screen an optical displacement of the image plane is also possible so that a lack of accommodation capacity due to insufficient flexibility or adjustability of the eye lens is compensated for.
  • the adapter device 30 can, such as. B. the control device in a device control, if available, be integrated and z. B. be implemented entirely or partially by software or programmatically.
  • the setup of the visual aid device can be at least partially z. B. by means of an application software (app).
  • the adapter device in cooperation with the control device enables rapid (dynamic) adaptation, also taking into account user-specific visual characteristics, such as B. in the event of a deterioration in color rendering due to desaturation by sunlight hitting the image surface and / or in the case of the resulting deterioration in contrast.
  • the visual aid device results in a significant improvement in visibility in coordination with user-specific visual situations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention a trait à un dispositif d'aide visuelle (3) pourvu d'un système de commande et d'un système d'adaptation (30) qui coopère avec le système de commande et qui agit sur un ou plusieurs éléments de commande qui sont formés pour influencer la visibilité de contenus d'informations représentés optiquement sur une surface d'écran (2) par modification de paramètres de visibilité. Une optimisation étendue de la visibilité des contenus d'informations représentés est obtenue en ce que des données ophtalmiques individuelles à l'utilisateur sont déposées ou peuvent être déposées dans le système d'adaptation (30) et en ce que le système d'adaptation (30) est conçu pour, en fonction des données ophtalmiques, agir automatiquement d'une manière individuelle pour chaque utilisateur sur les éléments de commande pour modifier des paramètres de visibilité au moyen de données d'adaptation de manière que la visibilité des contenus d'informations représentés est optimisée de manière individuelle pour chaque utilisateur (Fig. 1).
EP20711079.2A 2019-03-05 2020-03-05 Dispositif d'aide visuelle Pending EP3935620A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202019101235.8U DE202019101235U1 (de) 2019-03-05 2019-03-05 Sehhilfevorrichtung
PCT/EP2020/055876 WO2020178389A1 (fr) 2019-03-05 2020-03-05 Dispositif d'aide visuelle

Publications (1)

Publication Number Publication Date
EP3935620A1 true EP3935620A1 (fr) 2022-01-12

Family

ID=69810801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20711079.2A Pending EP3935620A1 (fr) 2019-03-05 2020-03-05 Dispositif d'aide visuelle

Country Status (3)

Country Link
EP (1) EP3935620A1 (fr)
DE (1) DE202019101235U1 (fr)
WO (1) WO2020178389A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6674436B1 (en) * 1999-02-01 2004-01-06 Microsoft Corporation Methods and apparatus for improving the quality of displayed images through the use of display device and display condition information
US8269822B2 (en) * 2007-04-03 2012-09-18 Sony Computer Entertainment America, LLC Display viewing system and methods for optimizing display view based on active tracking
CA2696925A1 (fr) * 2010-03-19 2011-09-19 Bertrand Nepveu Casque d'ecoute et systeme integres configurables sur site
US10554962B2 (en) * 2014-02-07 2020-02-04 Samsung Electronics Co., Ltd. Multi-layer high transparency display for light field generation
US10684479B2 (en) * 2016-06-15 2020-06-16 Vrvaorigin Vision Technology Corp. Ltd. Head-mounted personal multimedia systems and visual assistance devices thereof

Also Published As

Publication number Publication date
WO2020178389A1 (fr) 2020-09-10
DE202019101235U1 (de) 2020-03-06

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