WO2016011757A1 - 三维图像的显示方法及三维图像显示装置 - Google Patents
三维图像的显示方法及三维图像显示装置 Download PDFInfo
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- WO2016011757A1 WO2016011757A1 PCT/CN2014/092505 CN2014092505W WO2016011757A1 WO 2016011757 A1 WO2016011757 A1 WO 2016011757A1 CN 2014092505 W CN2014092505 W CN 2014092505W WO 2016011757 A1 WO2016011757 A1 WO 2016011757A1
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- liquid crystal
- dimensional image
- lens
- display
- phase error
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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
- H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
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- 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
- G02B30/27—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
- G02B30/28—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 involving active lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/205—Neutral density filters
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- 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
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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
- H04N13/305—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
- H04N13/398—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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
Definitions
- Embodiments of the present invention relate to a method of displaying a three-dimensional image and a three-dimensional image display device.
- a common 3D display device includes: a display panel and a lenticular lens structure disposed on a light exiting side of the display panel, the 3D display device forming a plurality of viewing zones on a light emitting side of the display panel by using a lenticular lens structure to make different sub-pixels in the display panel.
- the light emitted by the unit enters different viewing zones, and the viewer's eyes fall in different viewing zones to produce a 3D display effect.
- liquid crystal is often used to realize a cylindrical lens structure, that is, a liquid crystal lens is often used for realizing three-dimensional display.
- the first substrate 1 and the second substrate 2 are oppositely disposed, and the liquid crystal layer 3 between the first substrate 1 and the second substrate 2 is located at the first a first electrode 4 on the side of the substrate 1 facing the liquid crystal layer 3, a first alignment layer 5 on the side of the first electrode 4 facing the liquid crystal layer 3, and a second electrode 6 on the side of the second substrate 2 facing the liquid crystal layer 3,
- the second electrode 6 faces the second alignment layer 7 on the side of the liquid crystal layer 3, the first polarizer 9 on the side of the first substrate 1 facing away from the liquid crystal layer 3, and the second layer on the side of the second substrate 2 facing away from the liquid crystal layer 3.
- the polarizer 10 wherein the first electrode 4 may be a strip electrode and the second electrode 6 may be a planar electrode.
- the liquid crystal lens may be divided into a plurality of liquid crystal lens units each having a plurality of first electrodes 4 therein, and FIG. 1a shows only one liquid crystal lens unit 8, which is loaded into each of the first electrodes in one liquid crystal lens unit 8.
- the voltage of 4 is a symmetrical voltage.
- FIG. 1b shows a stereoscopic display principle of a conventional liquid crystal lens.
- the liquid crystal molecules in the liquid crystal layer 3 are controlled to achieve different degrees of deflection, thereby forming a similar
- the structure of the lens splits the emitted light from the left-eye pixel and the right-eye pixel to achieve a three-dimensional effect.
- the lens structure 001 formed of liquid crystal at the edge region of the liquid crystal lens unit 8 is relatively ideal.
- the lens structure 002 may deviate to form the liquid crystal phase error region 003, thereby causing crosstalk distortion in the three-dimensional image transmitted through the liquid crystal phase error region 003.
- Figure 2b shows the crosstalk region 02 corresponding to the liquid crystal phase error region 003 of the liquid crystal lens, the presence of the crosstalk region 02 reducing the viewing view region 01 of the three dimensional image.
- Embodiments of the present invention provide a method for displaying a three-dimensional image and a three-dimensional image display device, which can avoid a crosstalk distortion phenomenon in a crosstalk region, thereby increasing an overall viewing view region of the three-dimensional image.
- an embodiment of the present invention provides a method for displaying a three-dimensional image, comprising: receiving an image signal of an image to be displayed; and determining a liquid crystal phase between adjacent lens units of the plurality of lens units in the liquid crystal lens. a pixel in which a crosstalk occurs in a display panel corresponding to the error region, converting the image signal into a three-dimensional image signal of the pixel in which the crosstalk is generated, and transmitting the converted three-dimensional image signal to the display panel. display.
- an embodiment of the present invention provides a three-dimensional image display device, including: a display unit configured to receive a three-dimensional image signal and display an image; a signal receiving unit configured to receive an image signal to be displayed; and a three-dimensional image conversion unit And configured to convert the image signal into the pixel in which the crosstalk occurs to display a three-dimensional image of a black image for a pixel that is crosstalk occurring in a display panel corresponding to a liquid crystal phase error region between adjacent lens units in the liquid crystal lens. And an image transmitting unit configured to transmit the converted three-dimensional image signal to the display panel for display.
- 1a is a cross-sectional structural view of a conventional liquid crystal lens
- Figure 1b is a schematic diagram of the formation of a conventional liquid crystal lens
- 2a is a schematic view showing a comparison of a lens structure formed by a conventional liquid crystal lens unit and an ideal lens structure
- 2b is a schematic diagram showing a distribution of a crosstalk area and a viewing area of a conventional three-dimensional image display device
- FIG. 3 is a schematic diagram of a viewport distribution of a three-dimensional image display device after the display method provided by the embodiment of the present invention
- FIG. 4a is a pixel arrangement of a black frame inserted in a 2-view three-dimensional image display device according to an embodiment of the present invention.
- FIG. 4b is a schematic diagram of a pixel arrangement of a black frame inserted in a multi-view three-dimensional image display device according to an embodiment of the present invention
- FIG. 5 is a structural block diagram of a three-dimensional image display device according to an embodiment of the present invention.
- Embodiments of the present invention provide a method for displaying a three-dimensional image, including the following steps:
- S101 Receive an image signal of an image to be displayed.
- the method for displaying the three-dimensional image provided by the embodiment of the present invention, after receiving the image signal to be displayed, crosstalk occurs in a predetermined display panel corresponding to a liquid crystal phase error region between adjacent lens units in the liquid crystal lens.
- Corresponding pixels converting the image signal into a three-dimensional image signal for displaying a black image in the corresponding pixel in which the crosstalk occurs; and transmitting the converted three-dimensional image signal to the display panel for display, so that the pixel in which crosstalk occurs in the display panel displays a black image
- the image of the liquid crystal phase error region that directs the light toward the liquid crystal lens is set as a black image, and the light that is incident on the liquid crystal phase error region of the liquid crystal lens can be eliminated, as shown in FIG. 3, where A is a crosstalk of the black image.
- Corresponding pixels, B is the viewing viewing zone, which avoids crosstalk distortion in the crosstalk region corresponding to the liquid crystal phase error region, thereby increasing the overall viewing viewing zone of the three-dimensional image.
- step S102 converts the image signal into a three-dimensional image letter that forms a black image at a corresponding pixel in which crosstalk occurs. Therefore, the image corresponding to the liquid crystal phase error region of the liquid crystal lens is a black image, so that light rays directed to the liquid crystal phase error region of the liquid crystal lens can be eliminated, and crosstalk distortion occurs in the crosstalk region corresponding to the liquid crystal phase error region, thereby The overall viewing zone of the three-dimensional image is increased.
- the method for displaying the three-dimensional image may further include the following steps: when switching from the two-dimensional display to the three-dimensional display, determining between the adjacent lens units in the liquid crystal lens on the light exit side of the display panel a liquid crystal phase error region; determining a liquid crystal between adjacent lens units in the liquid crystal lens according to the determined liquid crystal phase error region between adjacent lens units in the liquid crystal lens, and the corresponding relationship between the lens unit and each pixel in the display panel The crosstalk pixel in the display panel corresponding to the phase error area.
- the method for displaying the three-dimensional image provided by the embodiment of the present invention, in order to realize the crosstalk-free three-dimensional image display of the liquid crystal lens, it is first necessary to determine a liquid crystal phase error region between adjacent lens units in the liquid crystal lens, and then according to each lens.
- Corresponding relationship between the unit and each pixel unit in the display panel determining a pixel position of the crosstalk corresponding to the liquid crystal phase error area between the adjacent lens units in the display panel, so that the corresponding pixel in which the crosstalk occurs displays a black image, so that The image of the liquid crystal phase error zone of the light directed toward the liquid crystal lens is set as a black image, which can eliminate the light that is directed to the liquid crystal phase error zone of the liquid crystal lens, thereby avoiding crosstalk distortion in the crosstalk region, thereby increasing the overall viewing angle of the three-dimensional image. Area.
- the display method of the above three-dimensional image provided by the embodiment of the present invention since different digital signals are applied to each strip electrode in each lens unit in the liquid crystal lens when performing three-dimensional image display, The liquid crystal molecules reach different degrees of deflection to form a liquid crystal lens unit, and the liquid crystal lens formed may deviate from the ideal physical lens structure to form a phase deviation region. Therefore, the adjacent lens unit in the liquid crystal lens located on the light exit side of the display panel is determined.
- the liquid crystal phase error region between the two can be determined based on a voltage signal applied to each strip electrode of each lens unit in the liquid crystal lens when the three-dimensional image is displayed, to determine a liquid crystal phase error region between adjacent lens units.
- the area of the strip electrode to which the maximum voltage signal is applied may be determined as being between adjacent lens units according to a voltage signal applied to each strip electrode in each of the lens units in the three-dimensional image display.
- the liquid crystal phase error region that is, the region where the liquid crystal molecules controlled by the strip electrodes applying the maximum voltage signal are the liquid crystal phase error regions between adjacent liquid crystal lens units.
- the voltage applied to the strip electrodes of one liquid crystal lens unit may be 5V-3V-1V-0.2V-1V-3V-5V, wherein the region where the strip electrodes of 5V voltage are applied is liquid crystal
- the image signal of the crosstalk-causing pixel A on the display panel corresponding to the liquid crystal phase error area is set as a black frame image signal, as shown in FIG. 4a.
- the multi-view display shown in FIG. 4b so that when the three-dimensional image display is performed, the image of the liquid crystal phase error area that directs the light toward the liquid crystal lens is set as a black frame image, and the liquid crystal phase error directed to the liquid crystal lens can be eliminated.
- the light of the area avoids crosstalk distortion in the crosstalk area, thereby increasing the overall viewing area of the three-dimensional image.
- the embodiment of the present invention further provides a three-dimensional image display device. Since the principle of solving the problem is similar to the display method of the foregoing three-dimensional image, the implementation of the device can refer to the display method of the three-dimensional image. The implementation, repetitions will not be repeated.
- the three-dimensional image display device provided by the embodiment of the present invention, as shown in FIG. 5, includes:
- the display panel 600 receives the three-dimensional image signal and displays the image
- the signal receiving unit 100 is configured to receive an image signal to be displayed
- the three-dimensional image conversion unit 200 is configured to convert the image signal into a pixel in which crosstalk occurs as a black image according to a pixel in the display panel corresponding to the liquid crystal phase error region between adjacent lens units in the liquid crystal lens.
- the signal sending unit 300 is configured to send the converted three-dimensional image signal to the display panel for display.
- the three-dimensional image conversion unit 200 is configured to convert an image signal into a three-dimensional image signal in which a pixel in which crosstalk occurs is a black image.
- the above three-dimensional image display device provided by the embodiment of the present invention further includes:
- the liquid crystal phase error area determining unit 400 is configured to determine a liquid crystal phase error area between adjacent lens units in the liquid crystal lens on the light exit side of the display panel when switching from the two-dimensional image display to the three-dimensional image display;
- the crosstalk pixel position determining unit 500 is configured to determine, between the adjacent lens units in the liquid crystal lens, according to the determined liquid crystal phase error region of the adjacent lens unit in the liquid crystal lens, and the corresponding relationship between the lens unit and each pixel in the display panel The pixels in the display panel corresponding to the liquid crystal phase error area correspond to the crosstalk.
- the liquid crystal phase-disconnection region determining unit 400 is configured to be applied to each strip electrode of each lens unit in the liquid crystal lens when performing three-dimensional image display.
- the voltage signal determines the liquid crystal phase error region between adjacent lens units.
- the liquid crystal phase-disconnection region determining unit 400 is configured to be applied to each strip electrode of each lens unit in the liquid crystal lens when performing three-dimensional image display.
- the voltage signal determines a region corresponding to the strip electrode to which the maximum voltage signal is applied as a liquid crystal phase error region between adjacent lens units.
- the embodiments of the present invention may be implemented by hardware, or may be implemented by means of software plus a necessary general hardware platform.
- the technical solution of the embodiment of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.).
- a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.
- modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
- the modules of the above embodiments may be combined into one module, or may be further split into multiple sub-modules.
- a method for displaying a three-dimensional image and a three-dimensional image display device after receiving an image signal to be displayed, corresponding to a predetermined liquid crystal phase error region between adjacent lens units in the liquid crystal lens
- the pixel in the display panel that crosstalks converts the image signal into a three-dimensional image signal in which the pixel in which the crosstalk occurs is a black image; and transmits the converted three-dimensional image signal to the display panel for display, thereby causing crosstalk in the display panel.
- the pixel displays a black image, so that the image of the liquid crystal phase error region that directs the light toward the liquid crystal lens is set as a black image, which can eliminate the light that is directed to the liquid crystal phase error region of the liquid crystal lens, thereby avoiding crosstalk distortion in the crosstalk region, thereby increasing The overall viewing view of the three-dimensional image.
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Abstract
Description
Claims (8)
- 一种三维图像的显示方法,包括:接收待显示图像的图像信号;对于预先确定的与液晶透镜中多个透镜单元中相邻透镜单元之间的液晶相错区对应的显示面板中发生串扰的像素,将所述图像信号转换为所述发生串扰的像素显示黑色图像的三维图像信号;以及将转换后的所述三维图像信号发送给所述显示面板进行显示。
- 如权利要求1所述的三维图像的显示方法,还包括:从二维图像显示切换到三维图像显示时,确定位于所述显示面板出光侧的液晶透镜中多个透镜单元中相邻透镜单元之间的液晶相错区;根据确定出的液晶透镜中相邻透镜单元之间的液晶相错区以及所述液晶透镜与所述显示面板中各像素的对应关系,确定与所述液晶透镜中相邻透镜单元之间的液晶相错区对应的所述显示面板中发生串扰的像素。
- 如权利要求2所述的方法,其中所述确定位于显示面板出光侧的液晶透镜中相邻透镜单元之间的液晶相错区,包括:根据在进行三维图像显示时施加到所述液晶透镜中每个透镜单元的每个条状电极的电压信号,确定相邻透镜单元之间的液晶相错区。
- 如权利要求3所述的方法,其中所述根据在进行三维图像显示时施加到所述液晶透镜中每个透镜单元的每个条状电极的电压信号,确定相邻所述透镜单元之间的液晶相错区,包括:根据在进行三维图像显示时施加到所述液晶透镜中每个透镜单元的每个条状电极的电压信号,将施加最大电压信号的条状电极所在区域确定为相邻所述透镜单元之间的液晶相错区。
- 一种三维图像显示装置,包括:显示面板,构造为接收三维图像信号且显示图像;信号接收单元,构造为收待显示的图像信号;三维图像转换单元,构造为对于预先确定的与液晶透镜中相邻透镜单元之间的液晶相错区对应的显示面板中发生串扰的像素,将所述图像信号转换为所述发生串扰的像素显示黑色图像的三维图像信号;信号发送单元,构造为将转换后的三维图像信号发送给所述显示面板进行显示。
- 如权利要求5所述的三维图像显示装置,还包括:液晶相错区确定单元,构造为从二维图像显示切换到三维图像显示时,确定位于所述显示面板出光侧的液晶透镜中相邻透镜单元之间的液晶相错区;串扰像素位置确定单元,构造为根据确定出的液晶透镜中相邻透镜单元之间的液晶相错区以及所述透镜单元与显示面板中各像素的对应关系,确定与所述液晶透镜中相邻透镜单元之间的液晶相错区对应的显示面板中发生串扰的像素。
- 如权利要求6所述的三维图像显示装置,其中所述液晶相错区确定单元,构造为根据在进行三维图像显示时发送到所述液晶透镜中每个透镜单元的每个条状电极的电压信号,确定相邻所述透镜单元之间的液晶相错区。
- 如权利要求7所述的三维图像显示装置,其中所述液晶相错区确定单元,构造为根据在进行三维显示时施加到所述液晶透镜中每个透镜单元的每个条状电极的电压信号,将施加最大电压信号的条状电极所在区域确定为相邻透镜单元之间的液晶相错区。
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CN114612369A (zh) * | 2020-12-04 | 2022-06-10 | 深圳超多维科技有限公司 | 图像融合方法、装置及电子设备 |
CN114827569A (zh) * | 2022-04-24 | 2022-07-29 | 咪咕视讯科技有限公司 | 画面显示方法、装置、虚拟现实设备及存储介质 |
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CN104143308B (zh) * | 2014-07-24 | 2016-09-07 | 京东方科技集团股份有限公司 | 一种三维图像的显示方法及装置 |
CN108108060B (zh) * | 2018-01-10 | 2021-04-02 | 京东方科技集团股份有限公司 | 显示装置及其控制方法 |
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CN114827569B (zh) * | 2022-04-24 | 2023-11-10 | 咪咕视讯科技有限公司 | 画面显示方法、装置、虚拟现实设备及存储介质 |
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CN104143308B (zh) | 2016-09-07 |
CN104143308A (zh) | 2014-11-12 |
US20160366400A1 (en) | 2016-12-15 |
US10326984B2 (en) | 2019-06-18 |
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