WO2016004710A1 - 双视场显示器及其制造方法、驱动方法 - Google Patents
双视场显示器及其制造方法、驱动方法 Download PDFInfo
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- WO2016004710A1 WO2016004710A1 PCT/CN2014/089925 CN2014089925W WO2016004710A1 WO 2016004710 A1 WO2016004710 A1 WO 2016004710A1 CN 2014089925 W CN2014089925 W CN 2014089925W WO 2016004710 A1 WO2016004710 A1 WO 2016004710A1
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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
- G09G3/20—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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black 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
- G09G3/001—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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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133354—Arrangements for aligning or assembling substrates
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
- G02F2201/305—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating diffraction grating
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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
- 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
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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
- 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
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0238—Improving the black level
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
Definitions
- Embodiments of the present invention relate to a dual field of view display, a method of manufacturing the same, and a method of driving the same.
- the display device prepared by the above display technology is a dual field of view display device.
- the driver can see the road condition navigation information from the left side of the display device, and the passengers in the passenger seat can watch other programs such as entertainment, leisure, and the like.
- This user-friendly "double vision" function satisfies the needs of different users for different information acquisition.
- An aspect of the present invention provides a dual field of view display, comprising a color film substrate and an array substrate disposed opposite to each other, and a color filter substrate or one side of the array substrate is provided with a slit grating, the color film
- the substrate includes a plurality of pixel units and a first black matrix surrounding each of the pixel units, the slit gratings including a light-shielding region and a light-transmitting region arranged in a matrix form; the light-transmitting region partially exposing two levels
- the pixel unit adjacent in the direction; the dual field of view display further includes a light blocking portion for preventing light leakage from an upper edge and/or a lower edge region of the light transmitting region.
- Another aspect of the embodiments of the present invention provides a method of manufacturing a dual field of view display, including:
- the color filter substrate comprises a plurality of pixel units and a first black matrix surrounding each of the pixel units;
- the slit grating comprises a light shielding region and a light transmission region which are arranged at intervals and arranged in a matrix form;
- the color filter substrate and the array substrate are disposed, and the slit grating is disposed on one side of the color filter substrate or the array substrate such that the light transmitting portion partially exposes two pixel units adjacent in the horizontal direction.
- a driving method of a dual field of view display wherein a pixel unit in a dual field of view display includes a dark state sub-pixel, and the method includes:
- the array substrate controls the liquid crystal at the corresponding position of the dark sub-pixel to be deflected according to the control signal, so that the dual field of view display displays a black picture corresponding to the position of the dark sub-pixel.
- Figure 1a is a partial schematic view of a known dual field of view display
- Figure 1b is a top plan view of a known dual field of view display
- 2a is a schematic partial structural diagram of a dual field of view display according to an embodiment of the present invention.
- 2b is a schematic structural diagram of a pixel unit according to an embodiment of the present invention.
- 2c is a schematic structural diagram of a slit grating according to an embodiment of the present invention.
- 3a is a schematic partial structural diagram of another dual field of view display according to an embodiment of the present invention.
- 3b is a schematic structural diagram of another pixel unit according to an embodiment of the present disclosure.
- FIG. 4a is a schematic partial structural diagram of another dual field of view display according to an embodiment of the present invention.
- 4b is a schematic structural diagram of another pixel unit according to an embodiment of the present disclosure.
- 5a is a schematic partial structural diagram of still another dual field of view display according to an embodiment of the present invention.
- FIG. 5b is a schematic structural diagram of still another pixel unit according to an embodiment of the present invention.
- Figure 1a shows a known dual field of view display.
- a grating is attached to the display panel 10, for example, the slit grating 11 capable of improving the fineness of the double-view image.
- the slit grating 11 is an optical device composed of staggered transparent stripes and light-shielding stripes.
- the transparent stripe of the slit grating 11 corresponds to the light-transmitting region 111, so that a small portion of the plurality of pixels can be exposed
- the light-shielding stripe corresponds to the light-shielding region 112, so that a plurality of pixels are covered in whole or in part.
- the user located in the left viewing area 12 on the left side of the display device can see the display panel 10 through the light transmitting area 111 of the slit grating 11. a portion of the pixels (including the plurality of first display regions 101); a user located at the right-view region 13 on the right side of the display device can see another portion of the pixels on the display panel 10 through the light-transmitting region 111 of the slit grating 11 (including a plurality of pixels)
- the second display area 102 The second display area 102).
- the area between the left view area 12 and the right view area 13 is a crosstalk area 14, which can simultaneously see the pixels of the first display area 101 and the second display area 102, so that the displayed picture will generate crosstalk, so the crosstalk area 13 Generally not used as the observation area of the user.
- the slit grating 11 has a distance of several hundred micrometers from the plane in which the pixel is located, the pixel may cause light leakage in a partial region of the light transmitting region 111.
- the pixels of the second display area 102 that should be seen in the right view area 13 will transmit light to the left view area 12 through the upper and lower edges of the light transmissive area 111, thereby making the left view
- the picture seen by the user of viewport 12 produces crosstalk.
- the pixels of the second display area 102 or the first display area 101 are still affected by the light emitted by the pixels. Thereby limiting the viewing angle of the user, reducing the display effect and user experience of the display device.
- the embodiment of the invention provides a dual field of view display, a manufacturing method thereof and a driving method thereof, which solve the problem that the viewing angle of the dual field of view display user is limited.
- the embodiment of the present invention provides a dual field of view display, as shown in FIG. 2a, including a color film substrate 20 and an array substrate (not shown) disposed opposite to each other, and one side of the color filter substrate 20 or the array substrate is provided with a narrow Slit grating 11.
- the color filter substrate 20 includes a plurality of pixel units 201 and a first black matrix 202 surrounding each of the pixel units 201.
- the slit grating 11 may include a light shielding region 112 and a light transmitting region 111 which are spaced apart and arranged in a matrix form.
- the light transmitting region 111 partially exposes two pixel units 201 adjacent in the horizontal direction.
- the above dual field of view display may further include a light blocking portion 300 for preventing light leakage from the upper edge region A and/or the lower edge region B of the light transmitting region 111.
- the light shielding region 112 may partially cover at least two pixel units 201 adjacent in the horizontal direction and completely cover the first black matrix 202 corresponding to the position of the light shielding region 112.
- the light-shielding region 112 partially covers two pixel units 201 adjacent in the horizontal direction (the two pixel units 201L and 201R adjacent to the horizontal direction in FIG. 2a) is taken as an example.
- the slit film grating 11 is disposed on one side of the color filter substrate 20 or the array substrate, which may be because the color filter substrate 20 and the array substrate are disposed on the box, so the slit grating 11 may be located in the array.
- the substrate is adjacent to a side surface of the color filter substrate 20; or is located on a side surface of the color filter substrate 20 away from the array substrate, that is, on the light exit side of the display panel 10 composed of the color filter substrate 20 and the array substrate. s surface.
- the surface of the slit grating 11 on the light-emitting side of the display panel 10 will be described as an example, but the installation position of the slit grating 11 is not limited.
- the light-shielding region 112 partially covers at least two adjacent pixel units 201, where the partial coverage, as shown in FIG. 2c, may be that the light-shielding region 112 covers most of the two adjacent pixel units 201L and 201R. area.
- the light-transmitting region 111 is partially exposed to the light-transmitting region 111, and the light-shielding region 112 is larger than the light-transmitting region.
- the area of 111 In this way, the pixel units 201L and 201R are respectively blocked by a light shielding area 112 so as to be located on the left side of the display panel.
- the pixel unit 201L is seen through the light transmitting area 111 adjacent to the light shielding area 112; the user located on the right side sees the pixel unit 201R through the light transmitting area 111 to realize the dual field of view.
- the light blocking portion 300 disposed in the upper edge region A and/or the lower edge region B of the light transmitting region 111 leaks, when the user is positioned on the left side of the display panel, the display panel 10 is viewed from above or below.
- the light blocking portion 300 can block the light of the pixel unit 201L from exiting to the human eye through the upper edge region A and/or the lower edge region B of the light transmitting region 111, thereby causing picture crosstalk to ensure that the pixel unit 201R can be clearly seen by the user. It is equally acceptable when the user is on the right side of the display panel.
- Embodiments of the present invention provide a dual field of view display, which includes a color film substrate and an array substrate disposed opposite to each other.
- One side of the color filter substrate or the array substrate is provided with a slit grating, and the color film substrate includes a plurality of pixels. a unit and a first black matrix surrounding each pixel unit.
- the slit grating includes a light shielding area and a light transmission area which are arranged at intervals and arranged in a matrix form.
- the light transmitting region partially exposes two adjacent pixel units; the dual field of view display further includes a light blocking portion for preventing light leakage of the upper edge and/or the lower edge region of the light transmitting region.
- the light blocking portion effectively prevents light from exiting from the upper edge or the lower edge region of the slit grating light transmitting region to the human eye.
- the viewing angle of the user in the left view area or the right view area is improved, and crosstalk phenomenon is avoided when the picture is viewed from the top or the bottom.
- the light blocking portion 300 includes a second black matrix 301 on the color film substrate corresponding to the upper edge region A and/or the lower edge region B of the light transmitting region 111.
- the width W' of the second black matrix 301 is greater than or equal to the width W of the light-transmitting region 111.
- the second black matrix 301 and the light transmitting region 111 have no gap in the width direction, that is, the horizontal direction in FIG. 2b, thereby effectively preventing the light of the pixel unit 201 from the upper edge region A of the light transmitting region 111 or The lower edge region B is emitted to the human eye, causing the occurrence of a light leakage phenomenon to cause crosstalk of the image.
- the shape of the second black matrix 301 is trapezoidal, and the short bottom edge of the trapezoid is located in the light transmissive region 111.
- the second black matrix 301 adopting the trapezoid can prevent the light leakage while preventing the area of the sub-pixels contacting the second black matrix 301 from being greatly reduced due to the provision of the second black matrix 301, thereby reducing the area.
- the aperture ratio of the display device is trapezoidal, and the short bottom edge of the trapezoid is located in the light transmissive region 111.
- the first black matrix 202 and the second black matrix 301 are of a unitary structure. In this way, the fabrication of the second black matrix 301 can be completed while the first black matrix 202 is being formed, thereby simplifying the fabrication process.
- the pixel unit 201 may include at least one red sub-array arranged in parallel with each other. Pixel 2010, a green subpixel 2011, and a blue subpixel 2012. The present invention does not limit the order in which the sub-pixels are arranged. As shown in FIGS. 2a-2c, the light-shielding region 112 of the slit grating 11 covers two adjacent pixel units 201, and the pixel unit 201 includes only red sub-pixels 2010, green sub-pixels 2011, and blue. Subpixel 2012.
- the pixel units 201 covered by each of the light shielding regions 112 are the same, so that the color of the sub-pixels corresponding to the upper edge region A and the lower edge region B of the light-transmitting region 111 is fixed for the entire display panel.
- the sub-pixel corresponding to the upper edge region A of the light-transmitting region 111 is the red sub-pixel 2010, and the sub-pixel corresponding to the lower edge region B of the transparent region 111 is the blue sub-pixel 2012.
- the light blocking portion 300 is unlikely to completely block the light emitted from the upper edge region A and the lower edge region B of the light transmitting region 111 by 100% due to factors such as the manufacturing process and the manufacturing precision.
- the light that has not been completely blocked by the light blocking portion 300 is emitted to the human eye, so that the upper edge region A of each of the light transmitting regions 111 emits red light, and the lower edge region B of each of the light transmitting regions 111 emits blue light. , which may cause crosstalk of a fixed color throughout the display panel.
- the pixel unit 201 in the embodiment of the present invention may include at least four sub-pixels, wherein at least two sub-pixels have the same color.
- the pixel unit 201 includes one red sub-pixel 2010, one green sub-pixel 2011, one blue sub-pixel 2012, and another red sub-pixel 2010 arranged in sequence.
- the pixel unit 201' at the lower edge of the pixel unit 201 includes one green sub-pixel 2011, one blue sub-pixel 2012, one red sub-pixel 2010, and another green sub-pixel 2011 arranged in sequence.
- Other pixel units 201 are not exemplified herein. In this way, it can be avoided that the crosstalk of the fixed color of the entire display panel occurs because the number and order of the sub-pixels in each pixel unit 201 are the same.
- the pixel unit 201 includes at least four sub-pixels in which the colors of at least two sub-pixels are the same is exemplified.
- each pixel unit 201 includes four sub-pixels, thereby avoiding a crosstalk of a fixed color of the entire display panel due to the same number and order of sub-pixels within each pixel unit 201.
- the light transmitting region 111 partially exposes two adjacent pixel units 201 and completely exposes the first black matrix 202 corresponding to the light transmitting region 111.
- the upper edge region A and the lower edge region B of the light transmitting region 111 are provided with a second black matrix 301 having a trapezoidal shape for preventing light leakage from the upper edge region A and the lower edge region B of the light transmitting region 111.
- the long bottom edge of the second black matrix 301 is greater than or equal to the width L2 of the light transmitting region 111, and the second black matrix 301 is integrated with the first black matrix 202.
- the pixel units 201L and 201R are respectively blocked by a light shielding area 112, so that the user located on the left side of the display panel sees the pixel unit 201L through the light transmission area 111 adjacent to the light shielding area 112; The user on the right side sees the pixel unit 201R through the above-described light transmitting region 111.
- the second black matrix 301 by arranging the second black matrix 301, the light leaked from the upper edge region A and the lower edge region B of the light transmitting region 111 by the pixel unit 201 can be absorbed. In this way, when the user's viewing angle micro-amplitude is viewed upward or downward within 5 degrees with respect to the horizontal plane, the picture crosstalk of the dual field of view display can be reduced.
- each pixel unit 201 is a dark state sub-pixel 2013 for displaying a black picture, as shown in FIG. 4b, to satisfy the user.
- the perspective of the micro-amplitude is further increased.
- the dark state sub-pixel 2013 described above may include a red sub-pixel 2010, or a green sub-pixel 2011, or a blue sub-pixel 2012.
- the light blocking portion 300 may include a portion of the dark state sub-pixel 2013 corresponding to the upper edge region A and/or the lower edge region B of the light transmitting region 111.
- the light blocking unit 300 can be configured by the dark sub-pixels 2013 displaying the black screen, so that when the user's viewing angle is further increased, Part of the upper edge area A and/or the lower edge area B of the light-transmitting area 111 is prevented from leaking light, causing crosstalk of the picture.
- the dark sub-pixel 2013 may include the above-mentioned red sub-pixel 2010, or the above-mentioned green sub-pixel 2011, or the above-mentioned blue sub-pixel 2012.
- the sub-pixel constitutes the dark sub-pixel 2013 described above.
- the pixel unit 201 includes a red sub-pixel 2010, a green sub-pixel 2011, a blue sub-pixel 2012, and a dark sub-pixel 2013, wherein the dark sub-pixel 2013 is composed of red sub-pixels.
- the pixel 2010 is composed.
- the dual field of view display receives the control signal for displaying the black picture
- the liquid crystal at the position of the red sub-pixel 2010 located in the last row of the pixel unit 201 is deflected, so that no light is emitted.
- the display panel now displays a black picture corresponding to the position of the red sub-pixel 2010, so the red sub-pixel 2010 at the position constitutes the dark sub-pixel 2013.
- the pixel unit 201' at the lower edge of the pixel unit 201 includes a green sub-pixel 2011, a blue sub-pixel 2012, a red sub-pixel 2010, and a dark sub-pixel 2013 composed of the green sub-pixel 2011. Pixel units in other locations are similar.
- each pixel unit 201 Since the order of arrangement of different sub-pixels in each pixel unit 201 is not fixed, it is possible to avoid crosstalk of a fixed color of the entire display panel due to the same number and order of sub-pixels in each pixel unit 201.
- the pixel units 201L and 201R are respectively blocked by a light shielding area 112, so that the user located on the left side of the display panel sees the pixel unit 201L through the light transmission area 111 adjacent to the light shielding area 112; The user on the right side sees the pixel unit 201R through the above-described light transmitting region 111.
- the second black matrix 301 by arranging the second black matrix 301, the light leaked from the upper edge region A and the lower edge region B of the light transmitting region 111 by the pixel unit 201 can be absorbed.
- the dark sub-pixels 2013 for displaying a black picture in each of the pixel units 201 by setting the dark sub-pixels 2013 for displaying a black picture in each of the pixel units 201, light rays leaking from the upper edge area A and the lower edge area B of the light-transmitting area 111 can be reduced.
- each pixel unit 201 includes four sub-pixels, one of which is a dark state sub-pixel 2013 displaying a black picture, the resolution of the dual field of view display in the vertical direction is reduced to 3/4. The resolution of the dual field of view display in the vertical direction can be further improved under the premise of ensuring a high viewing angle micro-amplitude.
- each pixel unit 201 includes five sub-pixels, one of which is a dark state sub-pixel 2013 for displaying a black picture, as shown in FIG. 5a.
- the pixel unit 201 includes one red sub-pixel 2010, one green sub-pixel 2011, one blue sub-pixel 2012, one red sub-pixel 2010, and one dark sub-pixel 2013.
- the dark sub-pixel 2013 located in the last row of the pixel unit 201 is composed of the green sub-pixel 2011, and is located at the pixel when the dual-field display receives the control signal for displaying the black picture.
- the liquid crystal at the position of the green sub-pixel 2011 of the last row in the unit 201 is deflected such that no light passes through the green sub-pixel 2011, and the display panel displays a black screen corresponding to the position of the green sub-pixel 2011.
- the green sub-pixel 2010 at this location constitutes the dark sub-pixel 2013.
- the pixel unit 201' at the lower edge of the pixel unit 201 includes a blue sub-pixel 2012, a red sub-pixel 2010, a green sub-pixel 2011, a blue sub-pixel 2012, and a red sub-pixel 2010. Dark state subpixel 2013. Pixel units in other locations are similar.
- the pixel units 201L and 201R are respectively blocked by a light shielding area 112, so that the user located on the left side of the display panel sees the pixel unit 201L through the light transmission area 111 adjacent to the light shielding area 112; The user on the right side sees the pixel unit 201R through the above-described light transmitting region 111.
- light rays leaking from the upper edge region A and the lower edge region B of the light transmitting region 111 by the pixel unit 201 can be absorbed by providing the second black matrix 301.
- the dark sub-pixels 2013 for displaying a black picture in each of the pixel units 201 by setting the dark sub-pixels 2013 for displaying a black picture in each of the pixel units 201, light rays leaking from the upper edge area A and the lower edge area B of the light-transmitting area 111 can be reduced.
- the size of the light-transmitting region 111 and the light-shielding region 112 of the slit grating 11 is changed (the pixel unit 201 covered by the light-shielding region 112 includes five The sub-pixel, and thus the length of the light-shielding region 111 is increased, and the dark-state sub-pixel 2013 is disposed in the pixel unit 201, so that the user's viewing angle may be shifted upward or downward within 20 degrees, and the display screen does not occur.
- Crosstalk Thereby increasing the user's perspective micro-amplitude.
- each pixel unit 201 includes five sub-pixels, one of which is a dark state sub-pixel 2013 displaying a black picture, the resolution of the dual field of view display in the vertical direction is reduced to 4/5. Therefore, the resolution provided by the third embodiment is higher than that provided by the second embodiment.
- the length L of the light transmitting region 111 is larger than that of the second embodiment, and thus the display pattern is not as fine as that of the second embodiment.
- the above is merely an example of the configuration of the slit grating 11 and the dark sub-pixel 2013 in a dual field of view display device of 200 PPI (Pixels per inch).
- PPI Picture per inch
- Those skilled in the art can set the number of the slit grating 11 structure and the number of dark state sub-pixels 2013 according to factors such as resolution, cross-talk resistance, and picture fineness according to the actual performance of the display.
- the number of sub-pixels in each pixel unit 201 can be increased, including increasing the number of dark state sub-pixels 2013. To reach Reduce the purpose of picture crosstalk.
- Other arrangements are not exemplified herein, but should all fall within the scope of protection of the present invention.
- the length L of the light transmitting region 111 may be less than or equal to half the center distance S of two adjacent light transmitting regions 111 in the vertical direction, as shown in FIG. 5a.
- the embodiment of the invention further provides a method for manufacturing a dual field of view display, comprising:
- the slit grating 11 is formed, wherein the slit grating 11 comprises a light shielding region 112 and a light transmitting region 111 which are arranged at intervals and arranged in a matrix form;
- the color filter substrate and the array substrate are disposed, and the slit grating 11 is disposed on one side of the color filter substrate or the array substrate such that the light transmitting region 111 partially exposes the pixel units 201 adjacent in the two horizontal directions.
- the slit grating 11 is disposed on one side of the color filter substrate or the array substrate, and the slit grating 11 is located on a surface of the array substrate adjacent to the color filter substrate 20; or The surface of the color filter substrate 20 away from the array substrate, that is, the surface on the light-emitting side of the display panel 10 composed of the color filter substrate 20 and the array substrate.
- the light blocking portion By forming the light blocking portion, the light is effectively prevented from exiting from the upper edge or the lower edge region of the light transmitting region of the slit grating to the human eye. Thereby, the viewing angle of the user in the left view area or the right view area is improved, and crosstalk phenomenon is avoided when the picture is viewed from the top or the bottom.
- step S103 includes:
- a second black matrix 301 is formed corresponding to the positions of the upper edge region A and/or the lower edge region B of the light transmitting region 111.
- the width W' of the second black matrix 301 is greater than or equal to the width W2 of the light transmitting region 111.
- the second black matrix 301 and the light transmitting region 111 have no gap in the width direction, that is, the horizontal direction in FIG. 2b, thereby effectively preventing the light of the pixel unit 201 from the upper edge of the light transmitting region 111.
- the area A or the lower edge area B is emitted to the human eye, causing the occurrence of light leakage to cause crosstalk of the image.
- the forming the second black matrix 301 on the color film substrate corresponding to the positions of the upper edge region A and/or the lower edge region B of the light transmitting region 111 includes:
- a second black matrix 301 having a trapezoidal shape is formed in the upper edge region A and/or the lower edge region B of the first black matrix 202.
- the short bottom edge of the trapezoid is located in the light transmitting region 111.
- the second black matrix 301 adopting the trapezoid can prevent the light leakage while preventing the area of the sub-pixels contacting the second black matrix 301 from being greatly reduced due to the provision of the second black matrix 301, thereby reducing the area.
- the aperture ratio of the display device is a trapezoidal shape.
- the first black matrix 202 and the second black matrix 301 may be of a unitary structure. In this way, the fabrication of the second black matrix 301 can be completed while the first black matrix 202 is being formed, thereby simplifying the fabrication process.
- the picture crosstalk is reduced or eliminated by the above scheme.
- the above step S102 may include:
- the length L of the light transmitting region 111 may be less than or equal to half the center distance S of two adjacent light transmitting regions 111 in the vertical direction, as shown in Fig. 5a.
- the above step S102 may include that the light shielding area 112 may partially cover at least two horizontally adjacent pixel units 201 and completely cover the first black matrix 202 corresponding to the position of the light shielding area 112.
- the number of pixel units 201 covered by the light-shielding region and 112 is larger, the grating preparation accuracy and difficulty are lower, but the fineness of the screen is also lowered. Therefore, those skilled in the art can design the size of the light shielding region 112 in consideration of the display effect and the production cost.
- the light-shielding region 112 partially covers two pixel units 201 adjacent in the horizontal direction (the two pixel units 201L and 201R adjacent to the horizontal direction in FIG. 2a) is taken as an example.
- the embodiment of the present invention further provides a driving method of a dual field of view display (that is, a method of inputting a display signal to an array substrate of the second or third dual field of view display of the embodiment described above for display), and includes dark in the pixel unit 201.
- a driving method of a dual field of view display that is, a method of inputting a display signal to an array substrate of the second or third dual field of view display of the embodiment described above for display
- the above method includes:
- the array substrate controls the liquid crystal at the corresponding position of the dark sub-pixel 2013 to be deflected according to the control signal, so that the dual-view display displays the black screen corresponding to the position of the dark sub-pixel 2013.
- the position of the dark state sub-pixel 2013 on the display panel of the dual-view display displays a black screen.
- the portion of the dark state sub-pixel corresponding to the upper edge and/or the lower edge of the light-transmissive region of the slit grating may constitute a light blocking portion.
- the light blocking portion Through the light blocking portion, the light is effectively prevented from exiting from the upper edge or the lower edge region of the light transmission region of the slit grating to the human eye. Thereby, the viewing angle of the user in the left view area or the right view area is improved, and crosstalk phenomenon is avoided when the picture is viewed from the top or the bottom.
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Abstract
Description
Claims (17)
- 一种双视场显示器,包括相对设置的彩膜基板和阵列基板,所述彩膜基板或所述阵列基板的一侧设置有狭缝光栅,所述彩膜基板包括多个像素单元和围绕每个像素单元的第一黑矩阵,其中所述狭缝光栅包括间隔设置,并呈矩阵形式排列的遮光区和透光区;所述透光区部分露出两个水平方向上相邻的所述像素单元;所述双视场显示器还包括用于防止所述透光区的上边缘和/或下边缘区域漏光的阻光部。
- 根据权利要求1所述的双视场显示器,其中所述阻光部包括位于设置在所述彩膜基板上,对应所述透光区的上边缘和/或下边缘区域的第二黑矩阵。
- 根据权利要求2所述的双视场显示器,其中所述像素单元包括相互平行排列的至少一个红色亚像素、一个绿色亚像素以及一个蓝色亚像素。
- 根据权利要求1-3任一项所述的双视场显示器,其中所述像素单元还包括至少一个用于显示黑色画面的暗态亚像素;所述暗态亚像素包括所述红色亚像素,或所述绿色亚像素,或所述蓝色亚像素;所述阻光部包括所述暗态亚像素对应所述透光区的上边缘和/或下边缘区域的部分。
- 根据权利要求2所述的双视场显示器,其中所述第二黑矩阵的形状为梯形,其中所述梯形的短底边位于所述透光区内。
- 根据权利要求2所述的双视场显示器,其中所述第一黑矩阵与所述第二黑矩阵为一体结构。
- 根据权利要求1所述的双视场显示器,其中所述透光区的长度小于等于两个相邻所述透光区中心间距的一半。
- 根据权利要求1所述的双视场显示器,其中所述遮光区部分覆盖至少两个水平方向上相邻的所述像素单元,并完全覆盖对应所述遮光区位置的所述第一黑矩阵。
- 根据权利要求2所述的双视场显示器,其中所述第二黑矩阵的宽度大 于等于所述透光区的宽度。
- 一种双视场显示器的制造方法,包括:提供阵列基板和彩膜基板,其中彩膜基板包括多个像素单元和围绕每个像素单元的第一黑矩阵;制作狭缝光栅,其中该狭缝光栅包括间隔设置并呈矩阵形式排列的遮光区和透光区;制作用于防止所述透光区的上边缘区域和/或下边缘区域漏光的阻光部;以及对盒彩膜基板和阵列基板,并且将所述狭缝光栅设置于所述彩膜基板或所述阵列基板的一侧,使得透光区部分露出两个水平方向上相邻的像素单元。
- 根据权利要求10所述的双视场显示器的制造方法,其中所述制作用于防止所述透光区的上边缘和/或下边缘漏光的阻光部的步骤包括:在所述彩膜基板上,对应所述透光区的上边缘和/或下边缘区域的位置制作第二黑矩阵。
- 根据权利要求11所述的双视场显示器的制造方法,其中在所述彩膜基板上,对应所述透光区的上边缘和/或下边缘区域的位置制作第二黑矩阵的方法包括:在所述彩膜基板上,对应所述透光区的上边缘和/或下边缘区域的位置制作呈梯形状的所述第二黑矩阵;其中所述梯形的短底边位于所述透光区内。
- 根据权利要求11或12所述的双视场显示器的制造方法,其中所述第一黑矩阵与所述第二黑矩阵为一体结构。
- 根据权利要求10所述的双视场显示器的制造方法,其中所述透光区的长度小于等于两个相邻所述透光区中心间距的一半。
- 根据权利要求10所述的双视场显示器的制造方法,其中所述遮光区部分覆盖至少两个水平方向上相邻的所述像素单元,并完全覆盖对应所述遮光区位置的所述第一黑矩阵。
- 根据权利要求11所述的双视场显示器的制造方法,所述第二黑矩阵的宽度大于等于所述透光区的宽度。
- 一种如权利要求4-9任一项所述双视场显示器的驱动方法,包括:向所述阵列基板输入控制信号;所述阵列基板根据所述控制信号,控制所述暗态亚像素对应位置处的液晶进行偏转,使得所述双视场显示器对应所述暗态亚像素的位置显示黑色画面。
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CN104517541B (zh) * | 2015-01-08 | 2018-04-27 | 京东方科技集团股份有限公司 | 多视场显示部件、图案化遮蔽层和多视场显示装置 |
CN104599626B (zh) * | 2015-03-02 | 2017-03-01 | 京东方科技集团股份有限公司 | 显示驱动方法和装置、采样区的生成方法和装置 |
CN106226915B (zh) * | 2016-08-03 | 2018-12-21 | 京东方科技集团股份有限公司 | 一种显示模组及显示装置 |
CN106875852B (zh) * | 2017-02-27 | 2021-08-17 | 北京京东方光电科技有限公司 | 一种显示基板、显示面板、显示装置及其显示方法 |
CN108196392B (zh) * | 2018-01-05 | 2021-01-22 | 京东方科技集团股份有限公司 | 一种显示面板、显示器及显示装置 |
CN108388043B (zh) * | 2018-02-28 | 2021-01-26 | 京东方科技集团股份有限公司 | 一种显示用基板、显示面板和显示装置 |
CN109324439B (zh) * | 2018-11-22 | 2021-10-01 | 京东方科技集团股份有限公司 | 一种显示面板及其制作方法,以及显示装置 |
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