CN100594737C - Stereoscopic image display method and system - Google Patents
Stereoscopic image display method and system Download PDFInfo
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Abstract
本发明公开了一种立体图像显示方法，涉及立体图像显示技术，为提高立体图像的质量而提出。其技术方案是：A、获得场景的二维左图象和右图像；B、将二维左图像与右图像转换合成处理，生成二维混合图像，混合图像中左图像的像素点与右图像的像素点以相互交替相间的方式均匀分布排列；C、使显示混合图像的显示屏上每个像素点所发出光的偏振方向与最邻近的像素点所发出光的偏振方向互相垂直；D、利用偏振滤光眼镜将显示屏上显示的混合图像分解为左图像和右图像。本发明同时公开了一种实现上述方法的系统。本发明通过改善图像像素的分布提高立体图像的质量。本发明的技术方案能够很好地与现有的二维图像和视频技术在格式、播放、显示上相兼容。
The invention discloses a stereoscopic image display method, relates to the stereoscopic image display technology, and is proposed for improving the quality of the stereoscopic image. The technical solution is: A. Obtain the two-dimensional left image and right image of the scene; B. Convert and synthesize the two-dimensional left image and the right image to generate a two-dimensional mixed image, and the pixels of the left image and the right image in the mixed image The pixels are evenly distributed and arranged alternately; C, so that the polarization direction of the light emitted by each pixel on the display screen displaying the mixed image is perpendicular to the polarization direction of the light emitted by the nearest pixel; D, The mixed image displayed on the display screen is decomposed into left and right images using polarizing filter glasses. The invention also discloses a system for realizing the above method. The invention improves the quality of stereoscopic images by improving the distribution of image pixels. The technical scheme of the invention can be well compatible with the existing two-dimensional image and video technology in terms of format, playing and displaying.
Description
Technical field
The present invention relates to a kind of stereo-picture and generate Display Technique, relate in particular to a kind of 3 D image display method and system.
Background technology
When people's eyes are seen object since about two finding angle differences, the picture that forms on two retina and incomplete same, these two pictures just can be distinguished front and back, the distances of object after comprehensive through brains, thus generation stereoscopic vision.The principle of stereo-picture is to copy the visual angle of people's eyes to take scene simultaneously with two pick-up lenss, two width of cloth images about obtaining.Afterwards, allow beholder's right and left eyes only see image about corresponding respectively, what the beholder saw is exactly the image of a width of cloth solid.
In various stereo image display systems, one of method that has at present reached practicability is: with about two width of cloth images on a display screen, show simultaneously, and make the according to pixels capable interlaced alternative of pixel on the display screen show that (image is through after transmission, processing, showing for left and right image, the image that viewed person's left eye is seen abbreviates left image as; The image of being seen by right eye abbreviates right image as), if a certain pixel column promptly on the display screen shows is left image, then the adjacent pixels row shows right image.Add the optically-active film in the front of pixel column, make the polarization direction of light of adjacent lines of pixels orthogonal, put on the polarizing filter glasses, just can see three-dimensional image.The problem that this method exists is since about two in image, the spaced rows that is filtered out by polarized lenses is arranged soon, so the image that eyes are seen has tangible concealed wire bar, the quality of stereo-picture is affected.The detailed content of relevant this technical scheme please refer to webpage: http://www.nhk-ts.co.jp/gijutsu/gill-xpol.html.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of 3 D image display method and system, reach the display quality that improves stereo-picture by the display mode that changes left and right sides image.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of 3 D image display method may further comprise the steps:
The two-dimentional left image and the right image of A, making scene to display;
B, the mode that the left image of described two dimension and right image are arranged by left and right sides image slices vegetarian refreshments interleaved synthesize vision-mix;
C, show that vision-mix, each shown pixel are sent the polarisation of light direction and to send the polarisation of light direction with delegation or same row neighbor pixel vertical mutually;
D, utilize the polarizing filter glasses that the picture breakdown that shows on the display screen is left image and right image.
Wherein, steps A is specially:
Use has the stereo photographic device of left and right sides pick-up lens, scene in kind is taken obtain left image and right image; Or generate the left image and the right image of virtual scene automatically by the three-dimensional system.
Wherein, described in the step B in the vision-mix pixel interleaved arrangement mode be specially: on each pixel column and each pixel column, any adjacent pixels point does not belong to left image or right image.
Wherein, step C is specially:
On the display screen of vision-mix, use polarization film and optically-active control unit to control the brightness and the polarization direction of the light that each pixel sends, it is orthogonal to make polarisation of light direction that each pixel sends and neighbor pixel with delegation and same row send the polarisation of light direction.
Wherein, described left image, right image and vision-mix are digital picture, and its size is all identical with resolution.
Wherein, described left image, right image and vision-mix are the image file or the video file of particular file format, or are the electronic signal of the image or the video of particular file format.
A kind of stereo image display system comprises:
Image making unit, the left and right sides is used to make two-dimentional left image and the right image of wanting displayed scene;
The vision-mix synthesis unit is used for that the left image of described two dimension and right image are according to pixels put the interleaved arrangement mode and synthesizes vision-mix;
Vision-mix shows and control unit, be used for showing vision-mix on display screen, and making each shown pixel send polarisation of light direction and neighbor pixel with delegation or same row, to send the polarisation of light direction vertical mutually;
Vision-mix polarization resolving cell is used for shown vision-mix is decomposed into left image and right image.
Wherein, described vision-mix shows and control unit is constituted by the polarization film and the optically-active control unit that are arranged on the display screen, described polarization film is used to make transmitted light to produce polarization, and described optically-active control unit is used to regulate the polarization angle and the brightness of transmitted light.
Wherein, image making unit, the described left and right sides is stereo photographic device or three-dimensional system, described stereo photographic device includes and is respectively applied for two pick-up lenss taking scene left side image in kind and right image, and described three-dimensional system is used for generating automatically the left image and the right image of virtual scene.
Wherein, described vision-mix polarization resolving cell comprises left avertence galvanometer sheet and right left avertence galvanometer sheet, the polarization direction of pixel that shows left image on the polarization direction of described left avertence galvanometer sheet and the display screen is identical, and the polarization direction of the pixel of the right image of demonstration is identical on the polarization direction of described right avertence galvanometer sheet and the display screen.
Among the present invention, the mode that the left image slices vegetarian refreshments of vision-mix and right image pixel are pressed mutual interleaved is evenly arranged evenly, and in same pixel column and same pixel column, adjacent pixels point can all not belong to left image or all belong to right image.By polarization film and optically-active device unit are set on display screen, make the polarisation of light direction that neighbor pixel sent of each pixel sends on the display screen polarisation of light direction and same pixel column and same pixel column orthogonal.Like this, left image slices vegetarian refreshments sends polarisation of light direction and right image slices vegetarian refreshments, and to send the polarisation of light direction orthogonal, and the user uses polarizing screen to see vision-mix, just can see the image that stereoeffect is arranged.Because left image slices vegetarian refreshments and right image slices vegetarian refreshments in the vision-mix are evenly arranged evenly in the mode of mutual interleaved, be evenly distributed by the left image after the resulting decomposition behind the polarizing screen and the pixel of right image, so the user can enjoy the better pictures quality.The present invention realizes than being easier to technically, and can obtain good picture quality.The preservation of image information, transmission are compatible mutually with the existing two-dimensional picture system, realize the compatibility with time-share sterescopic image easily.
Description of drawings
Fig. 1 forms schematic diagram for the structure of stereo image display system of the present invention;
Fig. 2 is for stereo-picture of the present invention is synthetic, the schematic diagram of procedure for displaying;
Fig. 3 is the pixel distribution schematic diagram of vision-mix of the present invention;
Fig. 4 forms schematic diagram for the core texture of stereo image display unit of the present invention;
Fig. 5 is another composition schematic diagram of core texture of stereo image display unit of the present invention;
Fig. 6 is the flow chart of 3 D image display method of the present invention.
Embodiment
Core concept of the present invention is: left image and right image are simultaneously displayed on the same display screen, the pixel of left side image and the pixel of right image are evenly arranged evenly in the mode of mutual interleaved, and the polarization direction of the pixel of left image and the pixel of right image is orthogonal, use polarizing filter glasses are seen the image on the display screen, just can see three-dimensional image.Because the pixel distribution of the left and right image that eyes are seen is even, therefore can obtain the better pictures quality.
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 1 forms schematic diagram for the structure of stereo image display system of the present invention.As shown in Figure 1, stereo image display system of the present invention comprises: image making unit, the left and right sides 100, vision-mix synthesis unit 110, vision-mix indicative control unit 120 and vision-mix polarization resolving cell 130.Wherein, left and right sides image making unit 100 is used to make two-dimentional left image and the right image for the treatment of into stereo-picture.As one of embodiment, image making unit, the left and right sides 100 is the stereo camera of two pick-up lenss about having.Left image that stereo camera is captured and right image are digital picture, and image size and resolution are all identical.Image making unit, the left and right sides 100 also can be the three-dimensional system, and this three-dimensional system can generate left image and right image automatically according to virtual scene.Fig. 2 is synthetic for stereo-picture of the present invention, the schematic diagram of procedure for displaying, and as shown in Figure 2, label is that the view in 3,4 the square frame is respectively left image and the right image of shooting.Because the technique for taking of left and right image and the technology of utilizing the three-dimensional system to generate left and right sides image all belong to those skilled in the art's known technology, repeat no more here.Vision-mix synthesis unit 110 is used for left and right image is merged into the vision-mix that is used for demonstration on vision-mix indicative control unit 120.Vision-mix display unit 120 is used for the vision-mix that vision-mix synthesis unit 110 generates is shown at a display screen, and makes the polarisation of light direction that neighbor pixel sent of each pixel sent in the display screen viewing area polarisation of light direction and same pixel column and same pixel column orthogonal.Among the present invention, vision-mix indicative control unit 120 is specially LCDs, plasma panel or cathode-ray tube display etc.Vision-mix polarization resolving cell 130 is used to watch the vision-mix of vision-mix display unit 120 demonstrations.The polarizing filter glasses of two polarized lenses about vision-mix polarization resolving cell 130 comprises, the polarization direction of two eyeglasses is orthogonal, and the polarization direction of left image slices vegetarian refreshments is consistent on the polarization direction of left eyeglass and the display screen, the polarization direction of right image slices vegetarian refreshments is consistent on the polarization direction of right eyeglass and the display screen, like this, left side eyeglass only can see through left image slices vegetarian refreshments issued light, and right eyeglass only can see through right image slices vegetarian refreshments issued light.Use polarizing filter glasses are seen the vision-mix on the display screen, just can see three-dimensional image.Below introduce vision-mix synthesis unit 110 and vision-mix indicative control unit 120 respectively in detail.
Vision-mix synthesis unit 110 is used for left image of two dimension and right image are carried out conversion merging processing, generates the vision-mix that is used for demonstration on vision-mix indicative control unit 120.The method that a kind of ratio is easier to illustrate is, the image size of vision-mix and resolution are identical with right image with two-dimentional left image, the pixel of correspondence position is identical on the pixel of the left image pixel group in the vision-mix and the two-dimentional left image, and the pixel of correspondence position is identical on the pixel of the right image pixel group in the vision-mix and the two-dimentional right image.But, in the left image of two dimension with vision-mix in the corresponding pixel in position of right image pixel group, and in the two-dimentional right image with vision-mix in the information of the corresponding pixel in position of left image pixel group, in the synthetic process that is processed into vision-mix of conversion, can lose.Because in vision-mix, the pixel of left and right image pixel group is that interleaved is equally distributed, under high-resolution situation, the loss of this Pixel Information can not have very big influence to picture quality.As shown in Figure 2, left image 3 and right image 4 obtain vision-mix 5 after synthesizing processing through conversion.
For the loss that reduces Pixel Information influence to picture quality, as the synthetic embodiment of another vision-mix, on the basis of aforesaid embodiment, with in the left image of two dimension with vision-mix in the information (color, brightness) of the corresponding pixel in position of right image pixel group, on the pixel of weighted superposition adjacent left image pixel group of relevant position in the vision-mix.Similarly, with in the right image of two dimension with vision-mix in the information of the corresponding pixel in position of left image pixel group, on the pixel of weighted superposition adjacent left image pixel group of relevant position in the vision-mix.Can prevent the phenomenon of image fault so effectively.For example, for the pixel in the left image, the gray scale of each Color Channel of pixel that will be corresponding with the pixel 1 among Fig. 3, multiply by weight coefficient 0.5, the gray scale of each Color Channel of pixel that will be corresponding with the pixel 2 among Fig. 3, multiply by weight coefficient 0.125, then with a pixel corresponding with pixel 1 among Fig. 3 with adjacent four with Fig. 3 in the corresponding pixel of pixel 2 be weighted stack, obtain the information of a pixel of respective pixel 1 in the vision-mix.So just can be reduced in conversion merges when handling because image information is lost the influence to picture quality that is produced.
Fig. 3 is the pixel distribution schematic diagram of vision-mix of the present invention.As shown in Figure 3, each square is represented a pixel among the figure, is labeled as 1 square and represents the pixel of the left image pixel group in the vision-mix, and be labeled as the pixel that 2 square is represented the right image pixel group in the vision-mix.The pixel of left and right image pixel group distributes apart from one another by ground: around each left image slices vegetarian refreshments four nearest right image slices vegetarian refreshments are arranged, simultaneously, four nearest left image slices vegetarian refreshments are arranged again around each right image slices vegetarian refreshments.On same pixel column and same pixel column, adjacent pixels point belongs to different pixel groups respectively.
Vision-mix indicative control unit 120 of the present invention below is described.
Fig. 4 forms schematic diagram for the core texture of the embodiment of vision-mix indicative control unit 120 of the present invention.Vision-mix indicative control unit 120 of the present invention is to add polarization film and optically-active device unit on prior liquid crystal display, as the example explanation, is that example is illustrated with the monochrome image display screen only in this explanation.As shown in Figure 4, the core of vision-mix indicative control unit 120 comprises bias light polarizing coating 10, optically-active control device 11, polarizing filter film 12, and optically-active control device 13 and polarizing filter film 14.Similar with the ordinary two-dimensional image LCD, background light source light is launched after by bias light polarizing coating 10, optically-active control device 11 and polarizing filter film 12.Bias light polarizing coating 10 makes bias light produce polarization, and optically-active control device 11 is used for changing and controlling the angle of polarization of polarised light, filters through polarizing filter film 12 and just can control the brightness of pixel.Different with the ordinary two-dimensional image LCDs is, for left image pixel group on the display screen and right image pixel group, wherein the front portion of one group pixel is provided with an optically-active control device 13 and polarizing filter film 14 again, the polarisation of light direction of this pixel groups is revolved turn 90 degrees; The light of another pixel groups directly aperture 15 from the polarizing filter film 14 passes through.Like this, the polarisation of light direction of the polarisation of light direction of left image pixel group and right image pixel group is just orthogonal.The beholder sees the vision-mix that display screen is shown with the polarizing filter glasses, just can see three-dimensional image.Left and right image pixel group in little pore size distribution on the polarizing filter film 14 and the vision-mix wherein one group pixel is corresponding.
Above-mentioned optically-active device unit is optically-active control device 11,13, and bias light polarizing coating 10 all is above-mentioned polarization film with polarizing filter film 12,14.
Fig. 5 forms schematic diagram for the core texture of another embodiment of vision-mix indicative control unit 120 of the present invention.As shown in Figure 5, vision-mix indicative control unit 120 of the present invention also is to add polarization film and the optically-active device unit is realized on the basis of the LCDs that shows stereo-picture.Its core comprises bias light polarizing coating 16,17, optically-active control device 18 and polarizing filter film 19,20.Wherein the bias light polarizing coating in the display screen is made up of with bias light polarizing coating 17 with bias light polarizing coating 16 and the right image of demonstration the left image of demonstration, and preposition polarizing filter film 19 and the right image of demonstration that preposition polarizing filter film is used by the left image of demonstration are formed with preposition polarizing filter film 20.The polarization direction of bias light polarizing coating 16 and preposition polarizing filter film 20 is vertical with the polarization direction of preposition polarizing filter film 19 with bias light polarizing coating 17.Thereby optically-active control device 18 is used to control the angle that pixel sends light controls its brightness.The light of left side image pixel group is launched after by bias light polarizing coating 16, aperture 22, optically-active control device 18, preposition polarizing filter film 19 and aperture 24; The light of right image pixel group is launched after by aperture 21, bias light polarizing coating 17, optically-active control device 18, aperture 24 and preposition polarizing filter film 19.Because the polarization direction of polarizing filter film 19,20 is orthogonal, the polarisation of light direction that pixel sent that shows left and right image on the display screen is just orthogonal, see the vision-mix that display screen is shown with the polarizing filter glasses, just can see three-dimensional image.
Vision-mix indicative control unit 120 of the present invention also can be realized by plasma panel, as long as add the preposition polarizing filter film 19,20 shown in Fig. 5 in the front of plasma panel, watch the shown image of display screen with the polarizing filter glasses, just can see three-dimensional image.
As shown in Figure 2, see vision-mix 5 on the display screen with polarizing filter glasses 6,7, what left eye was seen is image 8, and what right eye was seen is image 9.Since two soon to be different images, so can produce the visual effect of seeing stereo-picture.Because the pixel of image is evenly distributed, so the picture quality that can obtain.
Above-mentioned stereo image display unit also can be used to show ordinary two-dimensional image.When watching ordinary two-dimensional image, do not need to use the polarizing filter glasses.
Fig. 6 is the flow chart of an embodiment of 3 D image display method of the present invention.As shown in Figure 6,3 D image display method may further comprise the steps:
Step 601: two-dimentional left image and the right image of making scene to display.Two stereo cameras that can adjust the pick-up lens angle about use is equipped with, the two-dimentional left video image and the right video image of shooting special scenes.The captured left video image and the image size of right video image and resolution are all identical, and preserve to guarantee the synchronous of left and right sides video image with special-purpose video format.Also can use the three-dimensional system to generate left image and right image automatically according to virtual scene.
Step 602: left image of described two dimension and right image are carried out the synthetic processing of conversion, generate left and right sides image and according to pixels put the vision-mix that the mode of interleaved is arranged.The left image and the right image that generate are changed synthetic the processing, generate the video file of vision-mix form.The synthetic method of handling of concrete conversion can be referring to the associated description of preamble stereo image display system part of the present invention.Video file after conversion is synthetic is preserved with the ordinary two dimensional video file format, to carry out transfer of data or broadcast etc.
Step 603: show vision-mix on special display screen, making each pixel on the display screen send polarisation of light direction and neighbor pixel with delegation or same row, to send the polarisation of light direction orthogonal.Specific implementation can be referring to the associated description of preamble stereo image display system part of the present invention.
Step 604: vision-mix is decomposed into left image and right image, so that the user experiences stereoeffect.Specific implementation can be referring to the associated description of preamble stereo image display system part.
The above is the embodiment that the present invention will be described only, is not to be used for limiting protection scope of the present invention.
Claims (9)
1, a kind of 3 D image display method is characterized in that, this method may further comprise the steps:
The two-dimentional left image and the right image of A, making scene to display;
B, the mode that the left image of described two dimension and right image are arranged by left and right sides image slices vegetarian refreshments interleaved synthesize vision-mix, and on each pixel column and each pixel column, any adjacent pixels point does not belong to left image or right image in the described vision-mix;
C, show that vision-mix, each shown pixel are sent the polarisation of light direction and to send the polarisation of light direction with delegation or same row neighbor pixel vertical mutually;
D, utilize the polarizing filter glasses that the picture breakdown that shows on the display screen is left image and right image;
Wherein, the method that the left image of described two dimension and right image is synthesized vision-mix is:
With in the left image of two dimension with vision-mix in the information of the corresponding pixel in position of right image pixel group, on the pixel of weighted superposition adjacent left image pixel group of relevant position in the vision-mix;
With in the right image of two dimension with vision-mix in the information of the corresponding pixel in position of left image pixel group, on the pixel of weighted superposition adjacent left image pixel group of relevant position in the vision-mix.
2,3 D image display method according to claim 1 is characterized in that, steps A is specially:
Use has the stereo photographic device of left and right sides pick-up lens, scene in kind is taken obtain left image and right image; Or generate the left image and the right image of virtual scene automatically by the three-dimensional system.
3,3 D image display method according to claim 1 is characterized in that, step C is specially:
On the display screen of vision-mix, use polarization film and optically-active control unit to control the brightness and the polarization direction of the light that each pixel sends, it is orthogonal to make polarisation of light direction that each pixel sends and neighbor pixel with delegation and same row send the polarisation of light direction.
4, according to each described 3 D image display method in the claim 1 to 3, it is characterized in that,
Described left image, right image and vision-mix are digital picture, and its size is all identical with resolution.
5, according to each described 3 D image display method in the claim 1 to 3, it is characterized in that,
Described left image, right image and vision-mix are the image file or the video file of particular file format, or are the electronic signal of the image or the video of particular file format.
6, a kind of stereo image display system is characterized in that, this system comprises:
Image making unit, the left and right sides is used to make two-dimentional left image and the right image of wanting displayed scene;
The vision-mix synthesis unit, be used for that the left image of described two dimension and right image are according to pixels put the interleaved arrangement mode and synthesize vision-mix, on each pixel column and each pixel column, any adjacent pixels point does not belong to left image or right image in the described vision-mix; Described vision-mix synthesis unit with the method that the left image of described two dimension and right image synthesize vision-mix is: with in the left image of two dimension with vision-mix in the information of the corresponding pixel in position of right image pixel group, on the pixel of weighted superposition adjacent left image pixel group of relevant position in the vision-mix; With in the right image of two dimension with vision-mix in the information of the corresponding pixel in position of left image pixel group, on the pixel of weighted superposition adjacent left image pixel group of relevant position in the vision-mix;
Vision-mix shows and control unit, be used for showing vision-mix on display screen, and making each shown pixel send polarisation of light direction and neighbor pixel with delegation or same row, to send the polarisation of light direction vertical mutually;
Vision-mix polarization resolving cell is used for shown vision-mix is decomposed into left image and right image.
7, stereo image display system according to claim 6, it is characterized in that, described vision-mix shows and control unit is constituted by the polarization film and the optically-active control unit that are arranged on the display screen, described polarization film is used to make transmitted light to produce polarization, and described optically-active control unit is used to regulate the polarization angle and the brightness of transmitted light.
8, stereo image display system according to claim 6, it is characterized in that, image making unit, the described left and right sides is stereo photographic device or three-dimensional system, described stereo photographic device includes and is respectively applied for two pick-up lenss taking scene left side image in kind and right image, and described three-dimensional system is used for generating automatically the left image and the right image of virtual scene.
9, stereo image display system according to claim 6, it is characterized in that, described vision-mix polarization resolving cell comprises left avertence galvanometer sheet and right avertence galvanometer sheet, the polarization direction of pixel that shows left image on the polarization direction of described left avertence galvanometer sheet and the display screen is identical, and the polarization direction of the pixel of the right image of demonstration is identical on the polarization direction of described right avertence galvanometer sheet and the display screen.
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Cited By (2)
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| WO2012094961A1 (en) * | 2011-01-14 | 2012-07-19 | Li Chao | Polarizing stereo electronic large screen display system and manufacturing method thereof |
| US10298919B2 (en) | 2011-01-14 | 2019-05-21 | Central China Display Laboratories, Ltd. | Large-scale polarizing 3D electronic display system having two individual electronic pixels in each physical pixel and method for manufacturing the same |
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| JP2011135202A (en) * | 2009-12-22 | 2011-07-07 | Sony Corp | Video signal processor, and video signal processing method |
| CN102213838A (en) * | 2010-04-06 | 2011-10-12 | 宇威光电股份有限公司 | Stereoscopic display device |
| KR101212170B1 (en) * | 2010-12-10 | 2012-12-13 | 엘지디스플레이 주식회사 | Stereoscopic display device using patterned retarder and method for driving the same |
| CN102098525A (en) * | 2011-01-14 | 2011-06-15 | 郑州中原显示技术有限公司 | Polarized three-dimensional electronic large screen display system and manufacturing method thereof |
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| CN116300130A (en) * | 2023-02-06 | 2023-06-23 | 斌研技术咨询(上海)有限公司 | Polarization adjustment component, stereoscopic image and video stitching method, and stereoscopic imaging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012094961A1 (en) * | 2011-01-14 | 2012-07-19 | Li Chao | Polarizing stereo electronic large screen display system and manufacturing method thereof |
| US10298919B2 (en) | 2011-01-14 | 2019-05-21 | Central China Display Laboratories, Ltd. | Large-scale polarizing 3D electronic display system having two individual electronic pixels in each physical pixel and method for manufacturing the same |
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