WO2016201898A1 - 三维显示设备和三维显示设备的控制方法 - Google Patents
三维显示设备和三维显示设备的控制方法 Download PDFInfo
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- WO2016201898A1 WO2016201898A1 PCT/CN2015/095633 CN2015095633W WO2016201898A1 WO 2016201898 A1 WO2016201898 A1 WO 2016201898A1 CN 2015095633 W CN2015095633 W CN 2015095633W WO 2016201898 A1 WO2016201898 A1 WO 2016201898A1
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
-
- 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
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- 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
- H04N13/368—Image reproducers using viewer tracking for two or more viewers
-
- 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
- H04N13/373—Image reproducers using viewer tracking for tracking forward-backward translational head movements, i.e. longitudinal movements
-
- 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
- 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
- Embodiments of the present invention relate to a three-dimensional display device and a control method of a three-dimensional display device.
- the three-dimensional display technology is mainly divided into two types of naked eye type and glasses type, wherein the naked eye type three-dimensional display technology does not need to wear glasses, so it is more advantageous.
- the current naked-eye three-dimensional display mainly uses the splitting action of the spectroscopic device to make the left and right eye images enter the left and right eyes of the person respectively, and the main spectroscopic device has a parallax barrier and a lenticular lens, and FIG. 1 shows a parallax barrier type three-dimensional.
- a display device in which a slit grating selectively separates left eye image frame information and right eye image frame information.
- the naked-eye three-dimensional display technology has a problem that the viewpoint is fixed and the crosstalk is sharply increased after leaving the optimal viewpoint position.
- the distance between the viewer and the display panel in the light-emitting direction of the display panel is changed, that is, when the human eye moves back and forth, the crosstalk problem of the 3D image remains to be solved.
- Embodiments of the present invention provide a three-dimensional display device and a control method of a three-dimensional display device, which can realize 3D stereoscopic display without crosstalk and constant resolution when the distance between the viewer and the display panel is continuously changed, and can A 3D display with a large 3D viewing distance is realized.
- an embodiment of the present invention provides a three-dimensional display device, including: a display panel including a plurality of pixels arranged in an array, the plurality of pixels including left-eye pixels alternately arranged in each row or column a right-eye pixel; a light splitting device disposed in parallel with the display panel and configured to project light emitted by the left-eye pixel and the right-eye pixel into different viewing zones, between the light splitting device and the display panel Having a distance h along a light exiting direction of the display device; and a distance adjusting device configured to adjust a distance h between the light splitting device and the display panel in a light emitting direction of the display panel.
- the distance adjusting means is configured to change the distance h between the display panel and the spectroscopic device in the light-emitting direction as the distance H between the viewer and the display panel in the light-emitting direction changes.
- the distance adjustment device includes a plurality of screws each configured to be rotatable and having one end fixed to the display panel and the other end passing through the beam splitting device.
- a plurality of threaded holes with internal threads are formed in the frame of the beam splitting device, each hole corresponding to a screw, and each screw passes through a corresponding screw hole.
- the distance adjusting device includes an air cushion disposed between the display panel and the spectroscopic device and corresponding to the bezel arrangement of the spectroscopic device and the display panel, and the air storage amount of the air cushion is adjustable.
- the distance adjustment device includes a piezoelectric device disposed between the display panel and the beam splitting device and corresponding to the bezel arrangement of the beam splitting device and the display panel.
- the distance adjusting device comprises at least one set of magnets and at least one spring, wherein one of the two magnets of the at least one set of magnets is an electromagnet, one of the two magnets is disposed on the display panel and the other is disposed in the splitting light At least one spring is fixed to the display panel at one end and fixed to the spectroscopic device at the other end.
- the three-dimensional display device further includes a tracking module configured to detect a distance H between the viewer and the display panel in the light-emitting direction.
- the three-dimensional display device further includes: an information processing module configured to receive a distance H between the viewer and the display panel detected by the tracking module in the light-emitting direction and calculate a change amount of the distance H, and according to the change of the distance H The amount of change in the distance h between the display panel and the spectroscopic device is calculated by the amount to output a distance adjustment signal.
- an information processing module configured to receive a distance H between the viewer and the display panel detected by the tracking module in the light-emitting direction and calculate a change amount of the distance H, and according to the change of the distance H
- the amount of change in the distance h between the display panel and the spectroscopic device is calculated by the amount to output a distance adjustment signal.
- the distance adjustment device further includes a drive module configured to adjust a distance h between the display panel and the spectroscopic device according to the distance adjustment signal.
- the display panel may be an organic light emitting display panel, and the light splitting device is disposed on a light exiting side of the display panel.
- the display panel is a liquid crystal display panel
- the three-dimensional display device further includes a backlight module, and the backlight module is disposed on the light incident side of the display panel.
- an embodiment of the present invention provides a control method for a three-dimensional display device, wherein the three-dimensional display device includes: a display panel including a plurality of pixels arranged in an array, the plurality of pixels being included in each row or column Left-eye pixels and right-eye pixels alternately arranged in the middle; a light splitting device, and a display panel Parallelly disposed and configured to project light emitted by the left-eye pixel and the right-eye pixel to different viewing zones, having a distance h between the light-splitting device and the display panel along the light-emitting direction of the display device; and distance adjusting means configured to adjust the splitting a distance h between the device and the display panel in the light-emitting direction of the display panel, the control method includes: acquiring a distance adjustment signal; and causing the distance adjustment device to adjust the light output on the display panel between the light-splitting device and the display panel according to the distance adjustment signal The distance h in the direction.
- acquiring the distance adjustment signal includes: acquiring a distance adjustment signal manually input by a viewer; or detecting a distance H between the viewer and the display panel in a light-emitting direction; according to the detected viewer and the display panel The distance H in the light-emitting direction is obtained by changing the distance h between the display panel and the spectroscopic device to output a distance adjustment signal; and the distance adjustment signal is transmitted to the distance adjusting device.
- FIG. 1 is a schematic structural view of a conventional parallax barrier naked-eye three-dimensional display device
- FIG. 2 is a top plan view of a three-dimensional display device in accordance with an embodiment of the present invention.
- 3A and 3B schematically illustrate a schematic diagram of crosstalk caused by front and rear movement of a human eye
- FIG. 4 shows a cross-sectional view of a three-dimensional display device in accordance with an embodiment of the present invention
- FIG. 5 illustrates a cross-sectional view of another three-dimensional display device in accordance with an embodiment of the present invention
- FIG. 6 shows a schematic structural diagram of still another three-dimensional display device according to an embodiment of the present invention.
- FIG. 7 shows a schematic block diagram of a three-dimensional display device in accordance with an embodiment of the present invention.
- Embodiments of the present invention provide a three-dimensional display device and a control method of a three-dimensional display device, the three-dimensional display device including: a display panel including a plurality of pixels arranged in an array, the plurality of pixels being included in each row or each a left-eye pixel and a right-eye pixel alternately disposed in the column; a light splitting device disposed in parallel with the display panel and configured to project light emitted by the left-eye pixel and the right-eye pixel to different viewing zones, a distance h between the light splitting device and the display panel along a light emitting direction of the display device; and a distance adjusting device configured to adjust a light emitting direction of the display panel between the light splitting device and the display panel The distance h.
- the distance between the light splitting device and the display panel can be adjusted by providing the distance adjusting device, so that the light splitting device and the display panel can be dynamically adjusted correspondingly when the distance of the viewer from the display panel is changed. the distance between.
- the three-dimensional display device according to the embodiment of the present invention can be configured with respect to the three-dimensional display device in which the distance between the spectroscopic device and the display panel is fixed so that the viewing distance of the viewer must be within a certain range to see a clear crosstalk-free three-dimensional image. The viewer can see the clear and crosstalk-free 3D image even if the distance between the viewer and the display panel is continuously changed and the distance between the viewer and the display panel is not within the viewing range, thereby improving the viewer's stereoscopic appearance. Viewing experience.
- FIG. 2 shows a schematic structural view of the three-dimensional display device.
- the three-dimensional display device 1 includes a display panel 10 including a plurality of pixels arranged in an array, the plurality of pixels including left-eye pixels L alternately arranged in each row or column And a right-eye pixel R;
- the light splitting device 20 is disposed in parallel with the display panel 10 and configured to project light emitted by the left-eye pixel L and the right-eye pixel R to different viewing zones such that the image displayed by the left-eye pixel enters the viewer's The left eye, the image displayed by the right eye pixel enters the right eye of the viewer, the distance separating device 20 and the display panel 10 have a distance h along the light emitting direction of the display device 10; and the distance adjusting device 30 is configured to adjust the light splitting device 20 The distance h from the display panel 10 in the light-emitting direction of the display panel, for example, the viewing direction of the viewer.
- a plurality of pixels of the display panel may alternately set left and right eye pixels in each row, at this time, the grating bus of the spectroscopic device, for example, the center of the grating strip of the slit grating
- the line is in a vertical direction
- a plurality of pixels of the display panel may alternately set left and right eye pixels in each column, correspondingly, a grating bus of the spectroscopic device, for example, the center of the grating strip of the slit grating
- the line is in the horizontal direction.
- the three-dimensional display device is illustrated by a parallax barrier as a spectroscopic device in FIG. 2, and it should be noted that the spectroscopic device according to an embodiment of the present invention may also be a lenticular lens.
- the parallax barrier herein may be a parallax barrier that can be switched between 2D and 3D by using a liquid crystal cell. For example, by applying a voltage to electrodes in the liquid crystal cell, a parallax barrier between light and dark stripes can be obtained to realize 3D display.
- the liquid crystal cell When the voltage difference between the electrodes is zero, the liquid crystal cell can be fully transparent to realize 2D display; for the cylindrical lens grating, it can also be realized by a liquid crystal cell, thereby also enabling a cylindrical lens that can be switched between 2D and 3D. Grating.
- the parallax barrier of the embodiment of the present invention may also be a fixed slit grating or a cylindrical lens grating, which is not limited herein.
- the distance h between the spectroscopic device 20 and the display panel 10 may change as the distance H between the viewer and the display panel 10 changes, and the distance between the spectroscopic device 20 and the display panel 10 is changed by distance adjustment.
- Device 30 is implemented.
- crosstalk may occur when performing 3D viewing.
- the three-dimensional display device of the embodiment of the present invention by synchronously adjusting the distance between the light splitting device and the display panel, crosstalk caused by the front and rear movement of the human eye can be eliminated.
- the principle of crosstalk caused by the movement of the human eye back and forth will be briefly described below with reference to Figs. 3A-3B.
- the eye distance of the human eye is I
- the distance between the human eye and the display panel is H
- the distance between the slit grating and the display panel is h
- the pixel width is a, between the human eye and the spectroscopic device.
- the distance is H-h, according to the triangle similarity principle, there are:
- the pupil distance I of the human eye is generally 65 mm.
- the pixel width a is constant, and the formula (1) shows that h ⁇ H.
- the viewing distance H is fixed.
- the distance h between the spectroscopic device and the display panel needs to be changed in the same proportion to ensure a good 3D effect.
- the distance between the light splitting device and the display panel is adjusted by the distance adjusting device 30 in proportion, that is, As H increases, it decreases as H decreases, so that 3D crosstalk can be eliminated.
- the distance adjusting device 30 may include a plurality of screws 301, each of which is configured to be rotatable, one end of which is fixed to the display panel 10 and the other end of which is split.
- Device 20 the distance adjustment device 30 may further include a drive module, such as a stepper motor, for, for example, synchronously driving each of the screws 301 to rotate.
- a plurality of screw holes 201 with internal threads are formed in the frame of the light splitting device 20, and each screw hole corresponds to a screw 301.
- the screw 301 can also be fixed in the frame of the display panel 10.
- the screw rotation is driven by, for example, a stepping motor.
- the screw hole with the internal thread is provided in the frame, when the screw rotates, the spectroscopic device will move forward. Or moving backwards, thereby changing the distance of the spectroscopic device to the display panel.
- the number of the screws 301 may be two, and the two screws may be respectively formed at the center of the opposite side edges of the frame of the display panel, for example, the two screws may be at the center of the left and right side edges of the display panel, or
- the screw holes in the frame of the spectroscopic device may be correspondingly formed at the center of the left and right side edges or the center of the upper and lower side edges at the center of the edge of the upper and lower sides of the display panel.
- the number of the screws 301 may be four, and the four screws may be respectively disposed at the corners of the bezel of the display panel, and correspondingly, the screw holes in the bezel of the spectroscopic device may be correspondingly formed at the four corners.
- the embodiment of the present invention does not limit the number of the screws as long as the spectroscopic device can be supported and the spectroscopic device and the display panel are arranged in parallel and can be fitted to change the distance therebetween.
- the distance adjusting device 30 may include an air cushion 302 disposed between the display panel 10 and the spectroscopic device 20, and the air cushion 302 is sealed, and the air storage amount thereof may be adjusted by the driving module. Since the air cushion affects the transmittance of the light, the air cushion 302 is not disposed in the display area of the three-dimensional display device but is disposed in the non-display area so as not to affect the display. For example, the air cushion 302 may correspond to the light splitting device 20 and the display. The border of the panel 10 is set.
- the air cushion 302 may be annular; or the number of air cushions may be plural, and the non-display area disposed between the display panel and the spectroscopic device at intervals from each other, and the cross-sectional shape of the air cushion on a plane parallel to the display surface It may be rectangular, square or L-shaped, etc., and the L shape may be disposed at the corner of the frame.
- the air cushion 302 can be disposed between the display panel and the light splitting device in a certain manner.
- a slot having a certain height can be disposed on the frame of the display panel to fix the air cushion in the slot, or the air cushion can be adhered to the display.
- the embodiment of the present invention does not limit the fixing manner on the frame of the panel and the spectroscopic device.
- the distance adjustment device 30 may include a piezoelectric device disposed between the display panel and the spectroscopic device to adjust the display panel by applying an electrical signal to the piezoelectric device to cause a certain deformation of the piezoelectric device.
- the distance from the spectroscopic device may be performed by a conventional method, and will not be described herein.
- the distance adjusting device 30 may include at least one set of magnets and at least one spring, wherein one of the two magnets of the at least one set of magnets is an electromagnet, and one of the ones is disposed on the display panel And another one is disposed on the light splitting device, at least one of the springs is fixed on the display panel and the other end is fixed on the light splitting device, and at least one of the display panel and the light splitting device is respectively disposed by changing the magnitude of the magnetic force of the electromagnet. A force of a different magnitude is generated between the set of magnets, and the force is balanced with the force of the at least one spring to adjust the distance between the spectroscopic device and the display panel.
- the other of the at least one set of magnets can be an electromagnet or a permanent magnet.
- the magnetic force between the at least one set of magnets may be a repulsive force or an attractive force
- the corresponding at least one spring is a tension spring or a compression spring, correspondingly generating a force that causes the display panel and the spectroscopic device to be close or The force that causes the display panel and the spectroscopic device to move away.
- two or more sets of magnets may be disposed between the display panel and the spectroscopic device, and if they are two sets of magnets, they may be respectively disposed at the center of the upper and lower side edges of the two frames or at the center of the left and right side edges; or if Two or more sets of magnets, a plurality of sets of magnets may be uniformly and spacedly disposed between the display panel and the spectroscopic device, or may be disposed unevenly and at intervals. Accordingly, each set of magnets can cooperate with at least one spring.
- the distance adjustment device 30 can include a cam and a follower that abuts against the cam, wherein the shaft of the cam is fixed to the display panel, and one end of the follower abuts against the cam and the other end of which is fixed to the spectroscopic device on.
- the fixing of the shaft of the cam to the display panel is achieved by fixing the shaft of the cam to the vertical plate provided on the display panel such that the plane of rotation of the cam is perpendicular to the display surface of the display panel, and the follower can be, for example, a screw
- the connecting and riveting manners are fixed to the frame of the spectroscopic device facing the display panel, and the chute or the vertical tube for restricting the swing of the follower is further disposed on the frame of the spectroscopic device facing the display panel, and the driving module is used to drive the cam to rotate.
- the three-dimensional display device may further include a tracking module configured to detect a distance H between the viewer and the display panel in the light-emitting direction, for example, the tracking The module can be a camera that can be placed at the upper border of the display panel and facing the viewer, as shown in FIG.
- the tracking module may include: an image capturing unit that captures an image of a head of the viewer; and a determining unit that determines a position of the head according to the image captured by the image capturing unit and correspondingly calculates a relationship between the viewer and the display panel The distance H in the light outgoing direction.
- the camera unit may employ a CMOS or CCD camera
- the determination unit may employ a general purpose or special purpose computing device, such as a DSP processor or the like.
- the three-dimensional display device may further include: an information processing module configured to receive a distance H between the viewer and the display panel detected by the tracking module in the light exiting direction and calculate a change in the distance H The amount is calculated, and the amount of change in the distance h between the display panel and the spectroscopic device is calculated based on the amount of change in the distance H to output a distance adjustment signal.
- the information processing module can employ a general purpose or special purpose computing device, such as a DSP processor or the like.
- the determination unit and the information processing module of the tracking module can be implemented, for example, by the same computing device.
- the amount of change in the distance h at the amount of change in the distance H can be calculated according to the formula (1) or (2).
- the distance adjustment device 30 may further include a drive module configured to receive the distance adjustment signal to adjust the distance h between the display panel and the beam splitting device according to the distance adjustment signal.
- the viewer can also manually operate the distance adjustment device.
- the distance adjustment device can be manipulated by the remote controller, and the viewer can manually control when the distance of the viewer changes without seeing the correct 3D image.
- the device manipulates the distance adjustment device to change the distance between the display panel and the beam splitter until a clear, crosstalk free 3D image is seen.
- the display panel may be an organic light emitting display panel or a liquid crystal display panel.
- the light splitting device is disposed on the light emitting side of the display panel; when the display panel is a liquid crystal display panel, the light splitting device is disposed on the light emitting side of the display panel or the display panel and the backlight for providing illumination light to the display panel Between modules.
- the viewing range can also be set according to actual needs, and if the viewer is still within the viewing range after moving, there is no need to change the distance between the spectroscopic device and the display panel.
- This point can be set by a person skilled in the art according to actual needs, and the embodiment of the present invention does not limit this.
- the distance adjusting device by providing the distance adjusting device, the distance between the light separating device and the display panel can be changed, so that the viewer can also see when moving back and forth Clear, cross-talking 3D images enhance the stereoscopic viewing experience.
- the embodiment of the present invention further provides a control method for any of the above three-dimensional display devices.
- the configuration of the three-dimensional display device may refer to the above embodiments, and is not described herein for brevity.
- the control method for the three-dimensional display device will be highlighted below.
- a control method includes: acquiring a distance adjustment signal; and the distance adjustment device adjusts a distance h between the light-splitting device and the display panel in a light-emitting direction of the display panel according to the distance adjustment signal.
- acquiring the distance adjustment signal may include: acquiring a distance adjustment signal manually input by a viewer; or detecting a distance H between the viewer and the display panel in a light-emitting direction, The distance adjustment signal is outputted based on the detected distance H between the viewer and the display panel in the light-emitting direction by the distance H between the display panel and the display panel, and the distance adjustment signal is transmitted to the distance adjustment device.
- the three-dimensional display device may include: a tracking module configured to detect a distance H between the viewer and the display panel in the light-emitting direction, for example,
- the tracking module may be a camera, which may be disposed at an upper frame of the display panel and facing the viewer, as shown in FIG. 6; and an information processing module configured to receive between the viewer and the display panel detected by the tracking module.
- the distance H in the light direction is calculated and the amount of change in the distance H is calculated, and the amount of change in the distance h between the display panel and the spectroscopic device is calculated according to the amount of change in the distance H, and the distance adjustment signal is output, and thus, in the step of detecting
- the distance H between the viewer and the display panel in the light-emitting direction is output according to the detected distance H between the viewer and the display panel in the light-emitting direction by the distance h between the display panel and the spectroscopic device.
- the distance adjustment signal transmits the distance adjustment signal to the distance adjustment device, and the distance adjustment signal is obtained by the information processing module. .
- the distance adjusting device may include a driving module and a plurality of screws.
- the above part of the specification may be referred to, wherein the distance adjusting device adjusts the beam splitting device and the display panel according to the distance adjusting signal.
- the distance h in the light-emitting direction of the display panel may include that the drive module drives each of the plurality of screws in accordance with the distance adjustment signal.
- the information processing module calculates the amount of change in the distance h
- the amount of rotation of the screw is calculated according to the pitch of each screw, thereby obtaining a distance adjustment signal.
- the distance adjusting device may include a driving module and an air cushion.
- the distance adjusting device adjusts the distance h between the light separating device and the display panel in the light emitting direction of the display panel according to the distance adjusting signal, which may include: the driving module controls the air cushion according to the distance adjusting signal Inflate or deflate.
- the air cushioning amount or the air releasing amount is calculated based on the relationship between the air-conditioning variation amount of the air cushion and the amount of change in the distance h, thereby obtaining a distance adjustment signal.
- the distance adjusting device may include a driving module and a piezoelectric device.
- the distance adjusting device adjusts the beam splitting device and the display according to the distance adjusting signal.
- the distance h between the panels in the light-emitting direction of the display panel may include: the driving module controls the piezoelectric device deformation according to the distance adjustment signal.
- the information processing module calculates the amount of change in the distance h
- the amount of deformation required by the piezoelectric device is calculated to obtain a distance adjustment signal.
- the distance adjusting device may include a driving module and at least one set of magnets and at least one spring, wherein the exemplary structure and arrangement may refer to the above part of the specification, wherein the distance adjusting device adjusts the splitting according to the distance adjusting signal.
- the distance h between the device and the display panel in the light-emitting direction of the display panel may include: the driving module controls the amount of change of the relative movement distance h of the at least one set of magnets according to the distance adjustment signal.
- the information processing module calculates the amount of change in the distance h
- the amount of change for example, of the current applied to the electromagnet corresponding to the amount of change in the distance h is calculated to obtain a distance adjustment signal.
- the distance adjusting device may include a cam and a follower against the cam, the exemplary structure and arrangement of which may refer to the above part of the specification, wherein the distance adjusting device adjusts according to the distance adjustment signal
- the distance h between the light splitting means and the display panel in the light exiting direction of the display panel may include: the driving module controls the amount of change of the relative movement distance h of the follower by controlling the rotation of the cam according to the distance adjustment signal.
- the information processing module calculates the amount of change in the distance h
- the amount of the change cam corresponding to the distance h needs to be rotated to obtain a distance adjustment signal.
- the distance adjustment signal can also be manually entered by the viewer, for example, the distance adjustment device can be manipulated by a remote control.
- the viewer can manually input the distance adjustment signal by using a manual controller such that the distance adjustment device changes the display panel and the spectroscopic device according to the distance adjustment signal.
- the distance adjustment device changes the display panel and the spectroscopic device according to the distance adjustment signal.
- each adjustment may change the distance between the spectroscopic device and the display panel by a predetermined distance, which may be determined according to actual conditions, and may reach a certain precision.
- the distance between the light-splitting device and the display panel is adjustable, so that when the viewer moves back and forth relative to the display panel, the spectroscopic device is adjusted by synchronization Compared with the distance between the display panels, the viewer can see a clear, crosstalk-free 3D image, so that the distance between the existing spectroscopic device and the display panel is fixed, compared to the three-dimensional display device in which the distance between the existing spectroscopic device and the display panel is fixed, according to an embodiment of the present invention.
- the 3D visual distance of the three-dimensional display device is significantly increased, which greatly enhances the viewer's 3D viewing experience and the applicable range of the three-dimensional display device.
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Abstract
Description
Claims (21)
- 一种三维显示设备,包括:显示面板,包括按阵列排布的多个像素,所述多个像素包括在每行或每列中交替设置的左眼像素和右眼像素;分光装置,与所述显示面板平行设置且构造为将所述左眼像素和所述右眼像素发出的光投射到不同的视区,所述分光装置与所述显示面板之间具有沿所述显示装置的出光方向的距离h;以及距离调整装置,构造为调整所述分光装置与所述显示面板之间在所述显示面板的出光方向上的距离h。
- 根据权利要求1所述的三维显示设备,其中所述距离调整装置被构造为,随着观看者与所述显示面板之间在所述出光方向上的距离H的改变,而改变所述显示面板和所述分光装置之间在所述出光方向上的距离h。
- 根据权利要求1所述的三维显示设备,其中所述距离调整装置包括多个螺杆,所述多个螺杆的每个构造为可旋转且其一端固定于所述显示面板而另一端穿过所述分光装置。
- 根据权利要求3所述的三维显示设备,其中所述分光装置的边框中形成有多个带有内螺纹的螺孔,每个所述孔对应于一个所述螺杆,每个所述螺杆穿过对应的螺孔。
- 根据权利要求1所述的三维显示设备,其中所述距离调整装置包括气垫,设置在所述显示面板与所述分光装置之间且对应于所述分光装置和所述显示面板的边框设置,且所述气垫的储气量是可调的。
- 根据权利要求1所述的三维显示设备,其中所述距离调整装置包括压电器件,设置在所述显示面板与所述分光装置之间且对应于所述分光装置和所述显示面板的边框设置。
- 根据权利要求1所述的三维显示设备,其中所述距离调整装置包括至少一组磁铁以及至少一个弹簧,其中所述至少一组磁铁的两块磁铁之一为电磁铁,所述两块磁铁其中之一设置在所述显示面板上而另一块设置在所述分光装置上,所述至少一个弹簧一端固定在所述显示面板上而另一端固定在所述分光装置上。
- 根据权利要求1所述的三维显示设备,其中所述距离调整装置包括凸轮以及抵靠在所述凸轮上的从动件,其中所述凸轮的轴固定到显示面板,而所述从动件一端抵靠在所述凸轮上而另一端固定在分光装置上。
- 根据权利要求3-8中任一项所述的三维显示设备,还包括追踪模块,构造为检测所述观看者与所述显示面板之间在所述出光方向上的距离H。
- 根据权利要求9所述的三维显示设备,还包括:信息处理模块,构造为接收所述追踪模块检测的所述观看者与所述显示面板之间在所述出光方向上的距离H且计算所述距离H的变化量,且根据所述距离H的变化量而计算出所述显示面板和所述分光装置之间的距离h的改变量而输出距离调整信号。
- 根据权利要求10所述的三维显示设备,其中所述距离调整装置还包括驱动模块,所述驱动模块构造为根据所述距离调整信号调整所述显示面板与所述分光装置之间的距离h。
- 根据权利要求1-8中任一项所述的三维显示设备,其中所述显示面板为有机发光显示面板,所述分光装置设置在所述显示面板的出光侧。
- 根据权利要求1-8中任一项所述的三维显示设备,其中所述显示面板为液晶显示面板,所述三维显示设备还包括背光模组,所述背光模组设置在所述显示面板的入光侧。
- 根据权利要求13所述的三维显示设备,其中所述分光装置设置在所述显示面板的出光侧或所述背光模组与所述显示面板之间。
- 一种用于三维显示设备的控制方法,其中所述三维显示设备包括:显示面板,包括按阵列排布的多个像素,所述多个像素包括在每行或每列中交替设置的左眼像素和右眼像素;分光装置,与所述显示面板平行设置且构造为将所述左眼像素和所述右眼像素发出的光投射到不同的视区,所述分光装置与所述显示面板之间具有沿所述显示装置的出光方向的距离h;以及距离调整装置,构造为调整所述分光装置与所述显示面板之间在所述显示面板的出光方向上的距离h,该控制方法,包括:获取距离调整信号;以及所述距离调整装置根据所述距离调整信号调整所述分光装置与所述显示 面板之间在所述显示面板的出光方向上的距离h。
- 根据权利要求15所述的控制方法,其中获取距离调整信号包括:获取由观看者手动输入的所述距离调整信号;或者检测所述观看者与所述显示面板之间在所述出光方向上的距离H;根据所检测的所述观看者与所述显示面板之间在所述出光方向上的距离H而得到所述显示面板和所述分光装置之间的距离h的改变量而输出所述距离调整信号;将所述距离调整信号传递至所述距离调整装置。
- 根据权利要求15或16所述的控制方法,其中所述距离调整装置包括驱动模块和多个螺杆,所述多个螺杆的每个构造为可旋转且其一端固定于所述显示面板而另一端穿过所述分光装置,所述驱动模块根据所述距离调整信号驱动所述多个螺杆旋转。
- 根据权利要求15或16所述的控制方法,其中所述距离调整装置包括驱动模块和气垫,该气垫设置在所述显示面板与所述分光装置之间且对应于所述分光装置和所述显示面板的边框设置,且所述气垫的储气量是可调的,所述驱动模块根据所述距离调整信号控制所述气垫充气或放气。
- 根据权利要求15或16所述的控制方法,其中所述距离调整装置包括驱动模块和压电器件,该压电器件设置在所述显示面板与所述分光装置之间且对应于所述分光装置和所述显示面板的边框设置,所述驱动模块根据所述距离调整信号控制所述压电器件变形。
- 根据权利要求15或16所述的控制方法,其中所述距离调整装置包括驱动模块和至少一组磁铁以及至少一个弹簧,其中所述至少一组磁铁的两块磁铁之一为电磁铁,所述两块磁铁其中之一设置在所述显示面板上而另一块设置在所述分光装置上,所述至少一个弹簧一端固定在所述显示面板上而另一端固定在所述分光装置上,所述驱动模块根据所述距离调整信号控制所述至少一组磁铁相对移动所述距离h的改变量。
- 根据权利要求15或16所述的控制方法,其中所述距离调整装置包括驱动模块、凸轮以及抵靠在所述凸轮上的从动件,其中所述凸轮的轴固定到显示面板,而所述从动件一端抵靠在所述凸轮上而另一端固定在分光装置上,所述驱动模块根据所述距离调整信号控制所述凸轮转动从而使得所述从动件相对移动所述距离h的改变量。
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| CN104880831A (zh) | 2015-06-19 | 2015-09-02 | 京东方科技集团股份有限公司 | 三维显示设备和三维显示设备的控制方法 |
| CN105100783B (zh) * | 2015-08-19 | 2018-03-23 | 京东方科技集团股份有限公司 | 3d显示装置及3d显示方法 |
| JP6851369B2 (ja) * | 2015-09-05 | 2021-03-31 | レイア、インコーポレイテッドLeia Inc. | ヘッドトラッキングを備えたマルチビーム回折格子型ディスプレイ |
| KR101963392B1 (ko) * | 2017-08-16 | 2019-03-28 | 한국과학기술연구원 | 무안경식 3차원 영상표시장치의 동적 최대 시역 형성 방법 |
| CN110324559B (zh) * | 2018-03-28 | 2021-11-30 | 北京富纳特创新科技有限公司 | 视频通信装置及方法 |
| CN108828785A (zh) * | 2018-06-12 | 2018-11-16 | 京东方科技集团股份有限公司 | 显示模组、显示装置及其工作方法 |
| CN108983430B (zh) * | 2018-07-13 | 2020-11-13 | 淮南联合大学 | 机器人立体显示器及其控制方法 |
| CN109360504B (zh) * | 2018-12-04 | 2021-06-11 | 深圳奇屏科技有限公司 | 一种成像距离可调整的3d-led大屏幕 |
| CN113405778A (zh) * | 2021-06-17 | 2021-09-17 | 纵深视觉科技(南京)有限责任公司 | 分光器件立体显示设备、测试方法和测试装置 |
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| CN104880831A (zh) | 2015-09-02 |
| US20170150132A1 (en) | 2017-05-25 |
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