CN110471190B - Display device - Google Patents
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- CN110471190B CN110471190B CN201910858714.9A CN201910858714A CN110471190B CN 110471190 B CN110471190 B CN 110471190B CN 201910858714 A CN201910858714 A CN 201910858714A CN 110471190 B CN110471190 B CN 110471190B
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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
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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
- H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources
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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
- H04N13/324—Colour aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/366—Image reproducers using viewer tracking
- H04N13/383—Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
Abstract
The embodiment of the invention provides a display device, relates to the technical field of display, and can improve the resolution of the display device under the condition of not changing the number of sub-pixels; or the number of sub-pixels is reduced without changing the resolution of the display device. The display device comprises a display panel and a lens array; the display panel comprises a plurality of sub-pixels which are arranged in an array mode, and the sub-pixels are divided into a left eye pixel group and a right eye pixel group; all the left-eye pixel groups are used for displaying left-eye images, and all the right-eye pixel groups are used for displaying right-eye images; along the row direction, the left-eye pixel groups and the right-eye pixel groups are alternately arranged; the left-eye pixel group comprises m × n sub-pixels, and the right-eye pixel group comprises p × n sub-pixels; m, n and p are all more than or equal to 1; the lens array comprises a plurality of lens units arranged in an array; in the row direction, the orthographic projection of the lens unit on the display panel covers one left-eye pixel group and one right-eye pixel group.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
The conventional parallax 3D display technology has a problem of conflict between focusing and convergence, which causes easy asthenopia of users, and thus has greatly limited application.
The light field display technology utilizes the principle of geometric optics to restore the light field, and solves the problems of the traditional 3D display, so that people are increasingly concerned. However, there is a problem in that the 3D resolution is low, limited by the number of pixels.
Disclosure of Invention
Embodiments of the present invention provide a display device, which can improve the resolution of the display device without changing the number of sub-pixels; or the number of sub-pixels is reduced without changing the resolution of the display device.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, a display device is provided, including a display panel and a lens array disposed on a display side of the display panel; the display panel comprises a plurality of sub-pixels which are arranged in an array mode, and the sub-pixels are divided into a plurality of left-eye pixel groups and a plurality of right-eye pixel groups; all the left-eye pixel groups are used for displaying left-eye images, and all the right-eye pixel groups are used for displaying right-eye images; the left-eye pixel groups and the right-eye pixel groups are alternately arranged along the row direction of the plurality of sub-pixels; the left-eye pixel group comprises m × n sub-pixels, and the right-eye pixel group comprises p × n sub-pixels; the m sub-pixels and the p sub-pixels are arranged along the row direction, and the n sub-pixels are arranged along the column direction of the sub-pixels; m, n and p are all more than or equal to 1; the lens array comprises a plurality of lens units arranged in an array; in the row direction, orthographic projection of the lens unit on the display panel covers one of the left-eye pixel groups and one of the right-eye pixel groups.
Optionally, the lens array is divided into a plurality of lens groups, and the lens groups include three adjacent lens units along the row direction; in the sub-pixels covered by the lens group, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel and the (i +2m +2 p) th sub-pixel are three primary colors; wherein when m is more than or equal to p, i is less than or equal to m; when m is less than p, i is less than or equal to p.
Optionally, in the sub-pixels covered by the lens group, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel, and the (i +2m +2 p) th sub-pixel are red sub-pixel, green sub-pixel, and blue sub-pixel; or, in the sub-pixels covered by the lens group, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel and the (i +2m +2 p) th sub-pixel are a cyan sub-pixel, a yellow sub-pixel and a magenta sub-pixel.
Optionally, n is more than or equal to 2.
Optionally, m ═ p.
Alternatively, m-p-3 and n-6.
Optionally, the display device further comprises an eye tracker for tracking the position of the human eye.
Optionally, the display panel is a liquid crystal display panel or a self-luminous display panel.
Embodiments of the present invention provide a display device, in which a plurality of sub-pixels arranged in an array are divided into a left-eye pixel group and a right-eye pixel group that are alternately arranged along a row direction. In the row direction, the left-eye pixel group comprises m sub-pixels, and the m sub-pixels can form a left-eye viewpoint; in the row direction, the right-eye pixel group includes p sub-pixels, which may form a right-eye viewpoint. Thus, the number of sub-pixels covered by each lens unit is only m + p in the row direction. In the prior art, each lens unit needs to cover at least a plurality of sub-pixels corresponding to a left-eye viewpoint, a right-eye viewpoint, and a viewpoint between the left-eye viewpoint and the right-eye viewpoint. Based on this, compared with the prior art, the embodiment of the invention can greatly reduce the number of sub-pixels covered by each lens unit along the row direction, and under the condition that the number of the sub-pixels in the display panel of the invention is the same as that of the sub-pixels of the display panel in the prior art (or the number of the sub-pixels covered by one lens unit is the same), the number of the image sources irradiated to human eyes is more, and further, the resolution of the 3D image seen by the human eyes is higher; alternatively, in the case where the resolution of the 3D image of the embodiment of the present invention viewed by human eyes is the same as the resolution of the 3D image of the related art, the number of sub-pixels required by the embodiment of the present invention is less than the number of sub-pixels required by the related art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 2 is a diagram of a relationship between a display panel and a lens array and human eyes according to an embodiment of the invention.
Reference numerals are as follows:
11-left eye pixel set; 12-right eye pixel group; 21-a lens group; 211-lens unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a display device, as shown in fig. 1, including a display panel 10 and a lens array disposed on a display side of the display panel 10; the display panel 10 includes a plurality of sub-pixels arranged in an array, and the plurality of sub-pixels are divided into a plurality of left-eye pixel groups 11 and a plurality of right-eye pixel groups 12; all the left-eye pixel groups 11 are used for displaying left-eye images, and all the right-eye pixel groups 12 are used for displaying right-eye images; the left-eye pixel groups 11 and the right-eye pixel groups 12 are alternately arranged along the row direction of the plurality of sub-pixels; the left-eye pixel group 11 includes m × n sub-pixels, and the right-eye pixel group 12 includes p × n sub-pixels; the m sub-pixels and the p sub-pixels are arranged along the row direction, and the n sub-pixels are arranged along the column direction of the plurality of sub-pixels; m, n and p are all more than or equal to 1; the lens array includes a plurality of lens units 211 arranged in an array; in the row direction, the orthographic projection of the lens unit 211 on the display panel 10 covers one left-eye pixel group 11 and one right-eye pixel group 12.
In some embodiments, the display panel 10 may be, for example, a self-luminous display panel or a liquid crystal display panel. The self-Emitting display panel may be an organic Light-Emitting Diode (OLED) display panel, a Micro-LED display panel, or a quantum dot Light-Emitting Diode (QLED) display panel.
In some embodiments, all of the left-eye pixel groups 11 are used to display the left-eye image. That is, all the sub-pixels in all the left-eye pixel groups 11 are divided into a plurality of first pixel units, each of the first pixel units includes three sub-pixels, and the colors of the three sub-pixels are three primary colors each other for displaying a color picture.
If the number of the sub-pixels in the left-eye pixel group 11 is less than 3, the sub-pixels in the left-eye pixel group 11 and the sub-pixels in the other left-eye pixel groups 11 may display a color image together. If the number of the sub-pixels in the left-eye pixel group 11 is a multiple of 3, the sub-pixels in the left-eye pixel group 11 can just display a color picture together; alternatively, all the sub-pixels in the left-eye pixel group 11 may display a color picture together with the sub-pixels in the other left-eye pixel group 11. If the number of the sub-pixels in the left-eye pixel group 11 is greater than 3 and is not a multiple of 3, a part of the sub-pixels in the left-eye pixel group 11 commonly display a color picture, and the other part of the sub-pixels and the sub-pixels in the other left-eye pixel groups 11 commonly display the color picture; alternatively, all the sub-pixels in the left-eye pixel group 11 may display a color picture together with the sub-pixels in the other left-eye pixel group 11.
All right eye pixel groups 12 are used to display the right eye image. That is, all the sub-pixels in all the right-eye pixel groups 12 are divided into a plurality of second pixel units, each sub-pixel unit includes three sub-pixels, and the colors of the three sub-pixels are three primary colors each other for displaying a color picture.
If the number of sub-pixels in the right-eye pixel group 12 is less than 3, the sub-pixels in the right-eye pixel group 12 and the sub-pixels in the other right-eye pixel groups 12 can display a color picture together. If the number of the sub-pixels in the right-eye pixel group 12 is a multiple of 3, the sub-pixels in the right-eye pixel group 12 just can display a color picture together; alternatively, all the sub-pixels in the right-eye pixel group 12 may display a color picture together with the sub-pixels in the other right-eye pixel groups 12. If the number of the sub-pixels in the right-eye pixel group 12 is greater than 3 and is not a multiple of 3, a part of the sub-pixels in the right-eye pixel group 12 display a color picture together, and the other part of the sub-pixels and the sub-pixels in the other right-eye pixel groups 12 display the color picture together; alternatively, all the sub-pixels in the right-eye pixel group 12 may display a color picture together with the sub-pixels in the other right-eye pixel groups 12.
In some embodiments, if the number of the sub-pixels in the left-eye pixel group 11 and the right-eye pixel group 12 is multiple, the colors of the sub-pixels in the left-eye pixel group 11 and the right-eye pixel group 12 may be the same or different.
In some embodiments, the display panel 10 includes a plurality of gate lines, and the row direction may be, for example, parallel to an extending direction of the gate lines; alternatively, the row direction may be perpendicular to the extending direction of the gate lines.
The column direction is perpendicular to the extending direction of the gate lines under the condition that the row direction is parallel to the extending direction of the gate lines; in a case where the row direction is perpendicular to an extending direction of the gate lines, the column direction is parallel to the extending direction of the gate lines.
In some embodiments, if the left-eye pixel group 11 includes m sub-pixels in the row direction, the number of left-eye viewpoints is m at a certain time.
If the right-eye pixel group 12 includes p subpixels in the row direction, the number of right-eye viewpoints is p at a certain time.
For example, as shown in fig. 2, m is 3, and the number of left-eye viewpoints is also 3; p is 3, and the number of right-eye viewpoints is also 3.
Wherein, the viewpoint of the left eye is the viewpoint within the visual area range of the left eye at a certain moment; the right eye viewpoint is a viewpoint within the visual area of the right eye at a certain time.
In some embodiments, m ═ p; alternatively, m ≠ p.
In some embodiments, if the viewer is a human, taking the pupil diameter d of the human eye as 6mm, the adjacent viewpoints are adjacent to each other, and the distance between the centers of the adjacent viewpoints is 2mm as an example, then m ≧ 3, and p ≧ 3. Where, if m is 3 and n is 1, the three left-eye viewpoints corresponding to any one left-eye pixel group 11 should be just in front of the pupil of the left eye; when p is 3 and n is 1, the right-eye viewpoint corresponding to any one of the right-eye pixel groups 12 is to be located just in front of the pupil of the right eye.
In some embodiments, if n ≧ 2, one row of subpixels in the left-eye pixel group 11 and the right-eye pixel group 12 corresponds to the left-eye viewpoint and the right-eye viewpoint, respectively. The viewpoints corresponding to the sub-pixels in the other rows in the left-eye pixel group 11 and the viewpoints corresponding to the sub-pixels in the other rows in the right-eye pixel group are alternately arranged at least between the viewpoint for the left eye and the viewpoint for the right eye, so that when a person moves or the pupil moves, the viewpoints are always used as the viewpoint for the left eye and the viewpoint for the right eye, and the resolution of the display device is not affected by the fact that the lens unit 211 covers the sub-pixels in the rows.
Here, the value range of n is not limited, and the value of n is related to the values of m and p and the distance between the left eye and the right eye, and can be designed according to actual requirements.
In some embodiments, the structure of the lens unit 211 is not limited, and the number of the sub-pixels covered by each lens unit 211, the refraction angle of the light emitted from the sub-pixels to the human eye, and the like are relevant, and the specific structure is subject to the actual requirement.
Illustratively, the lens unit 211 may be arched.
The embodiment of the invention provides a display device, which divides a plurality of sub-pixels arranged in an array into a left-eye pixel group 11 and a right-eye pixel group 12 which are alternately arranged along a row direction. In the row direction, the left-eye pixel group 11 includes m sub-pixels, and the m sub-pixels may form a left-eye viewpoint; in the row direction, the right-eye pixel group 12 includes p sub-pixels, which may form a right-eye viewpoint. Thus, the number of sub-pixels covered by each lens unit 211 is only m + p in the row direction. In the prior art, each lens unit 211 needs to cover at least a plurality of sub-pixels corresponding to a left-eye viewpoint, a right-eye viewpoint, and a viewpoint between the left-eye viewpoint and the right-eye viewpoint. Based on this, compared with the prior art, the embodiment of the invention can greatly reduce the number of sub-pixels covered by each lens unit 211 along the row direction, and under the condition that the number of sub-pixels in the display panel of the invention is the same as that of the display panel in the prior art (or the number of sub-pixels covered by one lens unit 211 is the same), the number of image sources irradiated to human eyes is more, and further, the resolution of a 3D image seen by human eyes is higher; alternatively, in the case where the resolution of the 3D image of the embodiment of the present invention viewed by human eyes is the same as the resolution of the 3D image of the related art, the number of sub-pixels required by the embodiment of the present invention is less than the number of sub-pixels required by the related art.
Alternatively, as shown in fig. 1, the lens array is divided into a plurality of lens groups 21, and in the row direction, the lens group 21 includes three adjacent lens units 211; in the sub-pixels covered by the lens group 21, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel, and the (i +2m +2 p) th sub-pixel are three primary colors; wherein when m is more than or equal to p, i is less than or equal to m; when m is less than p, i is less than or equal to p.
If the lens unit 211 covers a plurality of sub-pixels, the color of the plurality of sub-pixels covered by the lens unit 211 may be the same or different.
In some embodiments, among the sub-pixels covered by the lens group 21, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel, and the (i +2m +2 p) th sub-pixel are red sub-pixel, green sub-pixel, and blue sub-pixel. Alternatively, among the sub-pixels covered by the lens group 21, the colors of the i-th sub-pixel, the i + m + p sub-pixels, and the i +2m +2p sub-pixels are a cyan sub-pixel, a yellow sub-pixel, and a magenta sub-pixel, respectively, in the row direction.
Illustratively, among the sub-pixels covered by the lens group 21, the ith sub-pixel is a red sub-pixel, the (i + m + p) th sub-pixel is a green sub-pixel, and the (i +2m +2 p) th sub-pixel is a blue sub-pixel.
In the embodiment of the present invention, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel, and the (i +2m +2 p) th sub-pixel are three primary colors, so that the display device displays a color picture.
Optionally, n is more than or equal to 2. Thus, one row of sub-pixels in the left-eye pixel group 11 and the right-eye pixel group 12 corresponds to a left-eye viewpoint and a right-eye viewpoint, respectively, and viewpoints corresponding to sub-pixels in other rows in the left-eye pixel group 11 and viewpoints corresponding to sub-pixels in other rows in the right-eye pixel group 12 are at least alternately arranged between the left-eye viewpoint and the right-eye viewpoint, so that when a person moves or a pupil moves, viewpoints are always used as the left-eye viewpoint and the right-eye viewpoint, and the resolution of the display device is not affected by the fact that the lens unit 211 covers a plurality of rows of sub-pixels.
In some embodiments, taking m as 3 (refer to fig. 1, sub-pixels 1, 7, and 13 in the first row), p as 3 (refer to fig. 1, sub-pixels 19, 25, and 31 in the first row), and n as 1 (refer to fig. 1, sub-pixels 1, 32, 27, 22, 17, and 12 in the first column form 6 rows), the total number of viewpoints corresponding to all the sub-pixels covered by one lens unit 211 is 36, and the lens unit 211 covers only 6 sub-pixels in the row direction, so that the resolution of the display device provided by the embodiment of the present invention is 1/6 of the resolution of the 2D display device.
Whereas in the prior art, one lens unit 211 covers one row of sub-pixels, assuming that the total number of viewpoints corresponding to all the sub-pixels covered by the lens unit 211 in the prior art is also 36, the resolution of the display device provided in the prior art is 1/36 of the resolution of the 2D display device.
As described above, in the case that the number of the sub-pixels covered by the lens unit 211 is the same, the resolution of the display device according to the embodiment of the invention is higher than that of the prior art.
Alternatively, assuming that the resolution of the display device provided in the embodiment of the present invention and the resolution of the prior art are both 1920, the number of sub-pixels covered in the row direction by each lens unit 211 of the present invention is 6, and the number of sub-pixels covered in the row direction by each lens unit 211 of the prior art is 36, the number of sub-pixels in the display device provided in the present invention is 1920 × 6 — 11520, and the number of sub-pixels in the display device provided in the prior art is 1920 × 36 — 69120. It can be seen that the number of sub-pixels required by the embodiment of the present invention is less under the same resolution.
In order to make the number of left-eye viewpoints corresponding to the left eye and the number of right-eye viewpoints corresponding to the right eye the same, and to make the display effect better, it is optional that m is p.
Alternatively, m ═ p ═ 3, and n ═ 6.
In the embodiment of the present invention, the interpupillary distance of the human eye is usually twice the diameter of the pupil of a single eye, and therefore, by setting n to 2m to 2p, the region between the left eye and the right eye can be made to include continuous viewpoints. In this way, the 3D picture can be seen no matter where the human eyes move.
Optionally, the display device further comprises an eye tracker for tracking the position of the human eye.
In some embodiments, the position where the eye tracker is disposed is not limited according to actual requirements.
In the embodiment of the invention, when n is greater than or equal to 2, one row of sub-pixels in the left-eye pixel group 11 and the right-eye pixel group 12 respectively corresponds to the left-eye viewpoint and the right-eye viewpoint. The viewpoints corresponding to the sub-pixels in the other rows in the left-eye pixel group 11 and the viewpoints corresponding to the sub-pixels in the other rows in the right-eye pixel group 12 are at least alternately arranged between the viewpoint for the left eye and the viewpoint for the right eye, so that when a person moves or the pupil moves, the positions of the eyes of the person can be tracked by using the eye tracker, so that the viewpoints are always used as the viewpoint for the left eye and the viewpoint for the right eye, and the user can see a 3D picture at different positions.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A display device includes a display panel and a lens array disposed on a display side of the display panel;
the display panel comprises a plurality of sub-pixels which are arranged in an array mode, and the sub-pixels are divided into a plurality of left-eye pixel groups and a plurality of right-eye pixel groups; all the left-eye pixel groups are used for displaying left-eye images, and all the right-eye pixel groups are used for displaying right-eye images;
the left-eye pixel groups and the right-eye pixel groups are alternately arranged along the row direction of the plurality of sub-pixels; the left-eye pixel group comprises m × n sub-pixels, and the right-eye pixel group comprises p × n sub-pixels; the m sub-pixels and the p sub-pixels are arranged along the row direction, and the n sub-pixels are arranged along the column direction of the sub-pixels; m, n and p are all more than or equal to 1;
the lens array comprises a plurality of lens units arranged in an array; in the row direction, orthographic projection of the lens unit on the display panel covers one left-eye pixel group and one right-eye pixel group;
the lens array is divided into a plurality of lens groups, and the lens groups comprise three adjacent lens units along the row direction;
in the sub-pixels covered by the lens group, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel and the (i +2m +2 p) th sub-pixel are three primary colors;
wherein when m is more than or equal to p, i is less than or equal to m; when m is less than p, i is less than or equal to p; n is more than or equal to 2, and one row of sub-pixels in the left-eye pixel group and the right-eye pixel group are configured to form a left-eye viewpoint and a right-eye viewpoint; the other rows of sub-pixels in the left-eye pixel group and the right-eye pixel group are configured to form other viewpoints alternately arranged between the left-eye viewpoint and the right-eye viewpoint.
2. The display device according to claim 1, wherein, in the sub-pixels covered by the lens group, in the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel, and the (i +2m +2 p) th sub-pixel are a red sub-pixel, a green sub-pixel, and a blue sub-pixel;
or, in the sub-pixels covered by the lens group, along the row direction, the colors of the ith sub-pixel, the (i + m + p) th sub-pixel and the (i +2m +2 p) th sub-pixel are a cyan sub-pixel, a yellow sub-pixel and a magenta sub-pixel.
3. The display device according to claim 1, wherein m-p.
4. A display device as claimed in claim 3, wherein m-p-3 and n-6.
5. The display device according to any one of claims 3 to 4, wherein the display device further comprises an eye tracker for tracking the position of the eye.
6. The display device according to claim 1, wherein the display panel is a liquid crystal display panel or a self-light emitting display panel.
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| CN110927986B (en) * | 2019-12-11 | 2021-10-01 | 成都工业学院 | Stereoscopic display device based on pixel pair |
| CN111638600B (en) * | 2020-06-30 | 2022-04-12 | 京东方科技集团股份有限公司 | Near-to-eye display method and device and wearable device |
| CN114981711B (en) * | 2020-12-21 | 2023-11-03 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
| CN114355622B (en) * | 2022-02-28 | 2023-10-13 | 北京京东方技术开发有限公司 | Light modulation element, glasses and 3D display system |
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