Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/349—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/20—Image signal generators
  • H04N13/261—Image signal generators with monoscopic-to-stereoscopic image conversion
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
  • G06T15/00—Three-dimensional [3D] image rendering
  • G06T15/50—Lighting effects
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
  • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
  • G06T19/20—Editing of three-dimensional [3D] images, e.g. changing shapes or colours, aligning objects or positioning parts
• • 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
  • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
  • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
  • H04N13/106—Processing image signals
  • H04N13/111—Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
  • H04N13/106—Processing image signals
  • H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
  • H04N13/183—On-screen display [OSD] information, e.g. subtitles or menus
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
  • H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
  • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/324—Colour aspects
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/366—Image reproducers using viewer tracking
  • H04N13/383—Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
  • H04N13/30—Image reproducers
  • H04N13/398—Synchronisation thereof; Control thereof
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
  • G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
  • G06T2219/20—Indexing scheme for editing of 3D models
  • G06T2219/2012—Colour editing, changing, or manipulating; Use of colour codes
• • 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
  • G09G2300/04—Structural and physical details of display devices
  • G09G2300/0439—Pixel structures
  • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49002—Electrical device making
  • Y10T29/49004—Electrical device making including measuring or testing of device or component part

Definitions

• the invention relates to a method for producing an autostereoscopic display with an optical element and an image-forming unit.
• the invention relates to an autostereoscopic display for the visualization of three-dimensional images with an optical element, which is preferably produced on a flat carrier, and an image-forming unit.
• Autostereoscopic visualization systems are intended to enable one or more viewers who are in front of an autostereoscopic display or an autostereoscopic screen to display a three-dimensional image without visual aids, such as a visual aid. to look at red / blue glasses, shutter or polarization glasses, etc.
• visual aids such as a visual aid.
• Autostereoscopic displays of the generic type are known in many different versions of the practice. For example only, reference is made to WO 2007/121819 A2.
• autostereoscopic displays are made in such a way that one touches on a conventional 2D display an autostereoscopic adapter disc.
• This adapter disc can be provided for releasable attachment to the display.
• the 2D display is first produced as an image-forming unit, the image-forming unit being applied to a substrate and the edge being cut so as to give the desired display size.
• An optical element is then placed on this 2D display, which creates the different perspectives for a natural three-dimensional image impression.
• positioning from the imaging unit to the optical element is of considerable importance. It depends on position parameters in the order of 0.001 mm. For example, if the position of the imaging unit to the optical element is not perfectly parallel, moire effects may be encountered.
• the present invention is therefore based on the object, a method for producing an autostereoscopic display of the type mentioned in such a way and further develop that the manufacturing process of an autostereoscopic display is simplified and a higher quality of the autostereoscopic display is possible. Furthermore, the invention has for its object to provide a corresponding autostereoscopic display.
• the above object is achieved by a method for producing an autostereoscopic display having the features of patent claim 1. Thereafter, the method according to the invention comprises the following method steps:
• the optical element is a kind of filter that ensures that only one particular perspective is emitted in one direction.
• the optical element can be produced on a suitable, preferably flat, support.
• the carrier material e.g. Glass or acrylic, in particular polyethylene terephthalate with glycol (PETG).
• the determination of positional parameters of the optical element takes place by means of a sensor unit, in particular by means of an optical sensor unit.
• the determined position parameters describe the exact position and properties with regard to the optical element.
• the imaging unit is applied to the back of the optical element.
• the support for the display panel or the image-forming unit is the optical element.
• a lens structure in particular a lenticular structure
• a lenticular structure is a tread structure made up of a plurality of parallel cylindrical grooves extending vertically. It ensures a more targeted light distribution in the horizontal.
• the views for the viewer are distributed by the lenticular elements over several zones. The human brain can capture this information and create a spatial image.
• a barrier structure in particular a parallax barrier structure, can be used as the optical element.
• the barrier elements obscure false views, which means that a viewer also only picks up certain perspectives and thus creates a spatial image for him.
• opaque or black lines are printed on a glass slide.
• control parameters which control the application of the image-forming unit can be calculated from the positional parameters.
• a suitable sensor unit for recording the positional parameters an optical sensor unit with a light source and a detection means, for example a camera, can be used.
• the front side of the optical element can be illuminated with the light source and an image of the transilluminated optical element with the detection means can be recorded on the rear side of the optical element.
• the position parameters of the optical element can be determined. This is because the lens boundaries are visible as grooves or the barriers as black lines.
• the exact position of the lens boundaries or barriers in the form of shades or black lines can be detected from the recorded image by simple image processing operations.
• the control parameters for the imaging process of the image-forming unit can be calculated.
• image processing operations basically any common image operators are conceivable. Thereby, e.g. linear filters like the Sobel operator or morphological operators such as dilation and erosion possible. Furthermore, compound morphological operators are also conceivable, according to which e.g. For noise suppression, first a closing and then an opening is performed.
• an optical sensor unit with a laser sensor can be used as the sensor unit.
• the distance to the surface of the optical element could be measured with the laser sensor, the positional parameters of the optical element being determined on the basis of these measured distances. Specifically, from the front of the optical element, the distance from the laser sensor to the surface of the optical element is measured. Thus, the grooves or barriers can be detected by a greater distance to the laser sensor. By means of this information, the position parameters of the Linsential. Barrier structure calculated and can then be used for the Aufbngerungslui the image-forming unit.
• an electrical conductor structure in particular an electrical line structure, is applied to the rear side of the optical element. This conductor structure can serve to drive the image-forming unit or its points of light.
• the positional parameters of the optical element can be used when applying the electrical conductor structure. As a result, redundant work steps can be avoided.
• the image-forming unit may comprise light spots which are arranged according to a predetermined layout, whereby a light dot structure is produced on the back of the optical element.
• the points of light form the image-forming unit, the point-of-light structure corresponding to a subpixel structure.
• the individual points of light or subpixels are, depending on the given layout, e.g. RGB or RGBW, generated on the back of the optical element.
• the application of these subpixels is in turn controlled by the determined position parameters or the control parameters calculated therefrom.
• a supplementary electrical conductor structure can be applied to the light point structure, wherein the application is controlled by the calculated control parameters.
• the autostereoscopic display according to the invention for the visualization of three-dimensional images is characterized in that the image-forming unit is applied to the rear side of the optical element.
• the same statements apply as to the method according to the invention for producing an autostereoscopic display, so that further explanations are superfluous, with reference to the embodiments relating to the method according to the invention.
• the image-forming unit may have light spots arranged according to a predeterminable layout.
• the light spots may be formed as separate elements. It is taken into account that in the case of an autostereoscopic display, the assignment of the perspectives to be displayed takes place at the subpixel level. A summary of pixels is not relevant here. Thus, the requirement that the sub-pixels of a pixel together form a square can be dropped. Thus each subpixel or light spot of the display is an independent element. Each of these subpixels or points has a color of the selected color system and has the same extent in the horizontal and vertical directions. In an advantageous manner, the light spots, in particular the individual subpixels, can be made square.
• these light points can display a color of a predefinable color system and / or light / dark information.
• the light spots or subpixels can be both color subpixels such as RGB or CMY and bright / dark subpixels.
• the color information of the subpixels of the perspectives to be displayed is displayed.
• the light / dark subpixels contain, for example, grayscale image features that support the 3D impression.
• the light / dark subpixels can display light / dark information with white or yellow light.
• the human eye has about 110 million light / dark receptors and only about 6.5 million color receptors.
• the human brain essentially uses the edges on objects in order to build up the three-dimensional spatial image in the brain.
• edge information is displayed via light / dark subpixels
• this image information is recorded on the much larger number of light / dark receptors in the brain.
• the work of the brain is thus greatly facilitated.
• the result is a better adapted to the anatomy of the eye and the downstream information processing autostereoscopic display.
• the autostereoscopic display has at least 10 to 20 times as many subpixels as present in a received stereo image used to compute / synthesize additional perspectives.
• 1 is a diagram with a line by line scan of a laser sensor for
• 2 shows a conventional subpixel layout in comparison to a new subpixel layout according to an exemplary embodiment of an autostereoscopic display according to the invention
• Fig. 3 is a conventional subpixel layout compared to a new one
• FIG. 4 shows the subpixel layout from FIG. 3, wherein a larger number of different perspectives are activated.
• FIG. 1 shows a diagram of a line-by-line scan of a laser sensor for detecting the positional parameters of an optical element according to an exemplary embodiment of the method according to the invention.
• the laser sensor detects the exact position of the optical structure.
• the diagram along the x-axis is the position of the laser sensor and along the y-axis the measured depth to the measurement object, i. to the optical element, applied.
• the measured distances d from the optical element to the laser sensor are shown in the diagram.
• the distance to the surface of the optical element is measured.
• the grooves or barriers are detected by a greater distance from the laser sensor.
• the positional parameters of Linsential. Barrier structure i. the positions of the boundary structures of the optical element are determined, and from the attitude parameters the control parameters used for the application process of the imaging unit are calculated.
• the optical element is produced as a lens structure or as a barrier structure on a suitable carrier.
• a first electrical line structure is applied to the back of the carrier.
• an optical sensor unit detects the exact position of the optical element and controls by these position parameters the application process of the imaging structure.
• the required complementary electrical line structure is applied to the now existing subpixel structure. This step is also controlled by the previously detected position parameters or the control parameters calculated therefrom.
• the support for the display panel is the optical element itself. This provides greater accuracy in the subpixel and optical element assignment, while reducing the number of manufacturing steps, thereby reducing manufacturing time. Likewise, calibration between imaging unit and optical element is no longer required.
• the optical sensor unit consists of a light source which illuminates the front side of the optical element.
• a camera captures the image of the transilluminated optical element.
• the lens boundaries are visible as grooves or barriers as black lines. Simple image processing operations are used to detect the exact position of the lens boundaries or barriers and to calculate the control parameters for the subpixel application process.
• FIG. 2 shows on the left a conventional pixel layout with the three sub-pixels R (red), G (green) and B (blue). With these subpixels, the three perspectives become 1, 2 and 3 FIG. 2 shows a new subpixel layout on the right, the independent subpixels having a quadratic configuration according to an exemplary embodiment of the autostereoscopic display according to the invention. 9 perspectives can be controlled by the optical element O with 9 subpixels.
• FIG. 3 once again shows a conventional pixel layout on the left.
• Fig. 3 right another embodiment of an autostereoscopic display according to the invention is shown.
• a substantially finer and more detailed subpixel structure is produced there.
• 144 subpixels are generated in the subpixel layout of the embodiment.
• the subpixels R (red), G (green) and B (blue) are supplemented by another subpixel W (white) to display light / dark information.
• these 144 subpixels 36 perspectives are activated in the illustrated embodiment.
• FIG. 4 shows the subpixel layout from FIG. 3, wherein the 144 individual, independent subpixels are used to control 144 perspectives.
• the preparation of this autostereoscopic display is performed so that the imaging panel is applied directly to the back of the optical element O.
• an optical sensor element detects the exact position of the lenses or barriers. This information is then used to control the deposition process of the imaging subpixels.

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Physics & Mathematics (AREA)
• Computer Graphics (AREA)
• Computer Hardware Design (AREA)
• Human Computer Interaction (AREA)
• Architecture (AREA)
• Software Systems (AREA)
• General Engineering & Computer Science (AREA)
• Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
• Devices For Indicating Variable Information By Combining Individual Elements (AREA)
• Stereoscopic And Panoramic Photography (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Related Child Applications (2)

Publications (1)

Family

ID=44149833

Family Applications (3)

Family Applications After (2)

Country Status (6)

Cited By (1)

Families Citing this family (11)

Citations (4)

Family Cites Families (47)

• 2010
  • 2010-02-25 DE DE102010009291A patent/DE102010009291A1/de not_active Ceased
• 2011
  • 2011-02-25 JP JP2012554215A patent/JP6142985B2/ja active Active
  • 2011-02-25 KR KR1020127024214A patent/KR101852209B1/ko active Active
  • 2011-02-25 KR KR1020127024212A patent/KR101825759B1/ko active Active
  • 2011-02-25 US US13/580,924 patent/US9324181B2/en not_active Expired - Fee Related
  • 2011-02-25 WO PCT/DE2011/000188 patent/WO2011103867A1/de not_active Ceased
  • 2011-02-25 EP EP11720977A patent/EP2540089A2/de not_active Withdrawn
  • 2011-02-25 WO PCT/DE2011/000186 patent/WO2011103865A2/de not_active Ceased
  • 2011-02-25 JP JP2012554214A patent/JP6060329B2/ja active Active
  • 2011-02-25 WO PCT/DE2011/000187 patent/WO2011103866A2/de not_active Ceased
  • 2011-02-25 US US13/580,909 patent/US9396579B2/en not_active Expired - Fee Related
• 2016
  • 2016-03-23 US US15/078,596 patent/US10134180B2/en active Active
  • 2016-06-13 US US15/181,282 patent/US10229528B2/en active Active
  • 2016-10-24 JP JP2016208015A patent/JP6278323B2/ja not_active Expired - Fee Related

Patent Citations (4)

Also Published As

Similar Documents

Legal Events