CN105929614B - Display device and 3D display equipment - Google Patents
Display device and 3D display equipment Download PDFInfo
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- CN105929614B CN105929614B CN201610420567.3A CN201610420567A CN105929614B CN 105929614 B CN105929614 B CN 105929614B CN 201610420567 A CN201610420567 A CN 201610420567A CN 105929614 B CN105929614 B CN 105929614B
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
Abstract
The invention discloses a display device and 3D display equipment, wherein the display device comprises an array substrate, the array substrate comprises a plurality of data lines, a plurality of gate lines and a plurality of pixel units enclosed by the data lines and the gate lines, the pixel units comprise structures for controlling liquid crystal molecule deflection, and the pixel units are arranged according to a set rule, so that the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent pixel units viewed by a left eye are different, and the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent pixel units viewed by a right eye are different. By arranging the pixel units according to a set rule, the visual angle compensation of the display device can be improved, and the problem of nonuniform visual angle compensation during 3D display is solved.
Description
Technical Field
Embodiments of the present invention relate to the field of liquid crystal display, and in particular, to a display device and a 3D (3 Dimensions) display apparatus.
Background
LCD (Liquid Crystal Display) has features of small volume, low power consumption, no radiation, etc., and has already occupied the leading position in the field of flat panel Display. The main structure of the liquid crystal display is a liquid crystal box which comprises an array substrate, a color film substrate and a liquid crystal clamped between the array substrate and the color film substrate, wherein an upper polarizer is arranged on the outer side of the array substrate, and a lower polarizer is arranged on the outer side of the color film substrate.
However, compared with a conventional CRT (Cathode Ray Tube) display, the lcd has a serious viewing angle problem because light leakage in a dark state is serious in an oblique viewing direction and contrast of the lcd is low. That is, when the picture is viewed at different positions of the liquid crystal display, the picture has different colors and even has great chromatic aberration, and the picture which is clearly viewed from the front is not clear when the picture is viewed to a certain extent from the side.
The prior art generally solves the problem of viewing angle by adding an optical compensation film on a liquid crystal cell, but the solutions provided by the prior art are not ideal in solving the problem of dark state light leakage of the liquid crystal display and improving the viewing angle of the liquid crystal display.
Disclosure of Invention
The embodiment of the invention provides a display device and 3D display equipment, which are used for improving the visual angle compensation of a liquid crystal display.
An embodiment of the present invention provides a display device, including:
the array substrate comprises a plurality of data lines, a plurality of gate lines and a plurality of pixel units enclosed by the data lines and the gate lines, wherein the pixel units comprise structures for controlling the deflection of liquid crystal molecules;
the pixel units are arranged according to a set rule.
Preferably, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the pixel units viewed by two adjacent right eyes in the pixel units located in the first direction in the plurality of pixel units are different, and the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the pixel units viewed by two adjacent left eyes in the pixel units located in the first direction are different.
Preferably, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the pixel unit located in the second direction among the plurality of pixel units are the same.
Preferably, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in two adjacent pixel units located in the second direction among the plurality of pixel units are different.
Preferably, the data line is linear.
Preferably, the data line is a zigzag line.
Preferably, the arrangement rule of the pixel units in the first direction is the same as that of the data lines in the zigzag shape.
Preferably, an angle between an arrangement direction of the structure for controlling liquid crystal molecule deflection in the pixel unit and the data line is 4 ° to 45 °.
Preferably, the structure for controlling the deflection of the liquid crystal molecules is one or any combination of the following structures:
sawtooth-shaped electrodes, projections on the electrodes and slits on the electrodes.
Correspondingly, the embodiment of the invention also provides 3D display equipment comprising the display device.
The display device comprises an array substrate, wherein the array substrate comprises a plurality of data lines, a plurality of gate lines and a plurality of pixel units enclosed by the data lines and the gate lines, the pixel units comprise structures for controlling liquid crystal molecule deflection, and the pixel units are arranged according to a set rule, so that the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent pixel units viewed by a left eye are different, and the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent pixel units viewed by a right eye are different. By arranging the pixel units according to a set rule, the visual angle compensation of the display device can be improved, and the problem of nonuniform visual angle compensation during 3D display is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained based on these drawings 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 illustrating a structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
FIG. 7 is a diagram illustrating an exemplary structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
FIG. 8 is a diagram illustrating an exemplary structure for controlling the deflection of liquid crystal molecules according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a data line according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
With the increase of PPI (pixel density) of display devices, in order to increase the aperture ratio, limited by the pixel size, the viewing angle within one pixel is self-compensated to be mutually compensated between two adjacent Pixels, that is, the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent Pixels in the same row of Pixels are different, and under a large viewing angle, the brightness of the adjacent Pixels can be compensated to a certain extent, thereby reducing the color difference of the large viewing angle.
However, when the 3D display effect is realized, since light passing through pixels in two adjacent columns enters the left eye and the right eye of a user, respectively, if the arrangement mode of the pixels is used, the arrangement direction of the structure for controlling the deflection of liquid crystal molecules in the pixels observed by the left eye of the user is the same, and the structure cannot perform the function of mutual compensation of two adjacent pixels, so that the viewing angle compensation is poor when the 3D effect is realized.
Based on the above description, fig. 1 illustrates a display device provided by an embodiment of the present invention, and the display device includes an array substrate (not shown for convenience of display), where the array substrate includes a plurality of data lines (not shown for convenience of display), a plurality of gate lines (not shown for convenience of display), and a plurality of pixel units surrounded by the plurality of data lines and the plurality of gate lines. Each pixel cell includes a structure for controlling the deflection of liquid crystal molecules.
The structure for controlling the deflection of liquid crystal molecules is for controlling the deflection of liquid crystal molecules, and the direction of the deflection of liquid crystal molecules can be divided into one direction or a plurality of directions within one pixel unit by the structure for controlling the deflection of liquid crystal molecules after the two electrodes are energized. The common structure for controlling the liquid crystal molecule deflection is a sawtooth electrode, a protrusion on the electrode, a slit on the electrode, and the like, and the embodiment of the present invention is only an example, and is not limited thereto.
With the structure of the zigzag electrodes shown in fig. 2, the direction of liquid crystal molecule deflection shown in fig. 2 can be formed by the design of the zigzag electrodes after the two electrodes are energized. The liquid crystal molecules are deflected in a splay shape so that two deflection directions of the liquid crystal molecules occur within one pixel unit. Accordingly, as shown in fig. 3, such tilted electrodes can only make the liquid crystal molecules in one pixel unit deflect in the same direction.
As shown in fig. 4, projections are provided on the electrodes, and the deflection direction of the electric field between the two electrodes is changed by the projections, thereby controlling the deflection direction of the liquid crystal molecules. The protrusions on the electrodes can be arranged on one electrode, as shown in fig. 5, or can be arranged on both electrodes, and can be freely selected according to practical application.
As shown in fig. 6, slits are provided on the electrodes, and the deflection direction of the electric field at the slits can be changed by the slits on the electrodes, thereby controlling the deflection direction of the liquid crystal molecules at the slits. The slits on the electrodes can be arranged on one electrode, as shown in fig. 7, or on two electrodes, and can be freely selected according to practical application.
Further, as shown in fig. 8, two structures of protrusions and slits may be disposed on the electrodes to cover the deflection direction of the electric field between the two electrodes, so as to control the deflection direction of the liquid crystal molecules, and the specific number ratio of the protrusions and the slits may be freely selected according to the practical application, which is not limited in the embodiment of the present invention.
In the embodiment of the present invention, the first direction refers to the horizontal direction shown in fig. 1, that is, the direction in which each row of pixel units is located in fig. 1, and the second direction refers to the vertical direction shown in fig. 1, that is, the direction in which each column of pixel units is located in fig. 1. The first direction and the second direction are not particularly limited, and the first direction is a direction in which a row of pixel units, which are arranged at intervals between a pixel unit viewed by a left eye and a pixel unit viewed by a right eye, is located when 3D display is performed, and is not a direction in which a row of pixel units viewed by a left eye or a right eye is located. The direction of the pixel unit viewed by the left eye or the right eye is the second direction in the embodiment of the present invention. The first direction and the second direction are selected by self when in specific application.
Based on the pixel units including the structure for controlling the deflection of the liquid crystal molecules, the plurality of pixel units may be arranged according to a predetermined rule in the embodiment of the present invention.
In particular, the embodiment of the present invention provides an implementation manner, as shown in fig. 1, the lines in each pixel unit indicate the arrangement direction of the structures for controlling the deflection of the liquid crystal molecules, and as can be seen from fig. 1, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the pixel units viewed by two adjacent right eyes in the pixel units located in the first direction are different, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the pixel units viewed by two adjacent left eyes in the pixel units located in the first direction are different, and the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the pixel units located in the second direction are the same. The pixels arranged in the first direction are arranged in units of two adjacent pixels, for example, a 1 st pixel and a 2 nd pixel are one unit, and a 3 rd pixel and a 4 th pixel are one unit. The arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the two adjacent pixel units are the same. The two adjacent pixel units are respectively a pixel unit viewed by a left eye and a pixel unit viewed by a right eye.
In order to make the viewing angle compensation better when the 3D effect is realized, the arrangement directions of the structures controlling the liquid crystal molecule deflection in the pixel units viewed by the two adjacent left eyes in the pixel units located in the first direction are different. As shown in fig. 9, the area divided by the solid black line is a pixel unit viewed by the left eye, and the area divided by the dashed black line is a pixel unit viewed by the right eye. In fig. 9, the pixel units viewed by three adjacent left eyes are at positions 1, 2 and 3, the arrangement direction of the structure for controlling the liquid crystal molecule deflection in the pixel unit at the middle position 2 is different from the arrangement direction of the structure for controlling the liquid crystal molecule deflection in the pixel units at positions 1 and 3, and when 3D display is realized, the pixel units at positions 1 and 3 can compensate the brightness of the pixel unit at position 2 to some extent, so that the display effect during 3D display is improved.
Based on the above-described embodiments, a preferred implementation manner is further provided in the embodiments of the present invention, as shown in fig. 10, in the pixel unit viewed by any two adjacent right eyes in the plurality of pixel units, the arrangement direction of the structure for controlling the deflection of the liquid crystal molecules is different, and in the pixel unit viewed by any two adjacent left eyes, the arrangement direction of the structure for controlling the deflection of the liquid crystal molecules is different.
In order to make the viewing angle compensation better when the 3D effect is realized, the arrangement directions of the structures for controlling the liquid crystal molecule deflection in any two adjacent pixel units viewed by the left eye in the pixel units are different. As shown in fig. 11, the area divided by the solid black line is a pixel unit viewed by the left eye, and the area divided by the dashed black line is a pixel unit viewed by the right eye. In fig. 11, the positions 2, 3, 4, and 5 are four pixel units viewed by the left eye adjacent to the position 1, and the arrangement direction of the structures for controlling the liquid crystal molecule deflection in the pixel units at the positions 2, 3, 4, and 5 is different from the arrangement direction of the structures for controlling the liquid crystal molecule deflection in the pixel units at the position 1, so that the pixel units at the positions 2, 3, 4, and 5 can compensate the brightness of the pixel unit at the position 1 to some extent when 3D display is implemented, thereby improving the display effect when 3D display is implemented, and at this time, the visual compensation is better.
An embodiment of the present invention further provides that the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent pixel units in the second direction in the plurality of pixel units are different. That is, the arrangement directions of the structures for controlling the liquid crystal molecule deflection in two adjacent pixel units in a row of pixel units viewed by the left eye or a row of pixel units viewed by the right eye are different. In this case, the arrangement directions of the structures for controlling the liquid crystal molecule deflection in the pixel units viewed by two adjacent left eyes in the pixel units located in the first direction in the plurality of pixel units may be the same or different, and the visual compensation is better when the arrangement directions are different.
The above-mentioned embodiment is applicable to a linear data line, and in order to adapt to a zigzag data line, an embodiment of the present invention further provides an arrangement manner of pixel units applicable to the zigzag data line, as shown in fig. 12, a line in each pixel unit indicates an arrangement direction of a structure for controlling liquid crystal molecule deflection, an arrangement rule of the pixel units located in the first direction is the same as an arrangement rule of the zigzag data line, specifically, each row of pixel units is parallel to the zigzag data line, as shown in fig. 13, and a black solid line in the figure is a data line. The arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the two adjacent pixel units are the same, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the two pixel units positioned on one side of the bending point are the same by taking the bending point as a center, the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the two pixel units positioned on the other side of the bending point are the same, and the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in the two adjacent pixel units positioned on the bending point are different. The two adjacent pixel units are respectively a pixel unit viewed by a left eye and a pixel unit viewed by a right eye.
In order to make the viewing angle compensation better when the 3D effect is realized, the arrangement directions of the structures for controlling the liquid crystal molecule deflection in the pixel units viewed by the two adjacent left eyes in each row of pixel units are different. As shown in fig. 14, the area divided by the solid black line is a pixel unit viewed by the left eye, and the area divided by the dashed black line is a pixel unit viewed by the right eye. In fig. 14, the pixel units viewed by three adjacent left eyes are at positions 1, 2 and 3, the arrangement direction of the structure for controlling the liquid crystal molecule deflection in the pixel unit at the middle position 2 is different from the arrangement direction of the structure for controlling the liquid crystal molecule deflection in the pixel units at positions 1 and 3, and when 3D display is implemented, the pixel units at positions 1 and 3 can compensate the brightness of the pixel unit at position 2 to some extent, so that the display effect during 3D display is improved.
More preferably, an angle between an arrangement direction of the structure for controlling liquid crystal molecule deflection in each pixel unit and the data line is 4 ° to 45 °. The deflection direction of the liquid crystal molecules in the pixel unit can be controlled by setting the arrangement direction of the structure for controlling the deflection of the liquid crystal molecules in the pixel unit, so that the viewing angle compensation is better when 3D display is carried out.
The display device in the above embodiment includes an array substrate, where the array substrate includes a plurality of data lines, a plurality of gate lines, and a plurality of pixel units surrounded by the plurality of data lines and the plurality of gate lines, each pixel unit includes a structure for controlling liquid crystal molecule deflection, and the plurality of pixel units are arranged according to a set rule, so that the arrangement directions of the structures for controlling liquid crystal molecule deflection in two adjacent pixel units viewed by a left eye are different, and the arrangement directions of the structures for controlling liquid crystal molecule deflection in two adjacent pixel units viewed by a right eye are also different. By arranging the pixel units according to a set rule, the visual angle compensation of the display device can be improved, and the problem of uneven visual angle compensation during 3D display is solved.
Based on the same technical concept, the embodiment of the invention also provides 3D display equipment, which comprises the display device, so as to improve the display effect during 3D display and provide a viewing angle compensation effect.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A display device, comprising: an array substrate;
the array substrate comprises a plurality of data lines, a plurality of gate lines and a plurality of pixel units enclosed by the data lines and the gate lines, wherein the pixel units comprise structures for controlling the deflection of liquid crystal molecules;
the pixel units are arranged according to a set rule, the arrangement directions of structures for controlling the deflection of liquid crystal molecules in the pixel units viewed by two adjacent right eyes in the pixel units positioned in the first direction in the pixel units are different, and the arrangement directions of the structures for controlling the deflection of liquid crystal molecules in the pixel units viewed by two adjacent left eyes in the pixel units positioned in the first direction are different;
the arrangement directions of the structures for controlling the deflection of the liquid crystal molecules in two adjacent pixel units in the second direction among the plurality of pixel units are different.
2. The display device according to claim 1, wherein the data line is linear.
3. The display device according to claim 1, wherein the data line is a zigzag shape.
4. The display device according to claim 3, wherein an arrangement rule of the pixel units in the first direction is the same as an arrangement rule of the data lines in a zigzag shape.
5. A display device as claimed in any one of claims 1 to 4, characterized in that the arrangement direction of the structures controlling the deflection of the liquid crystal molecules in the pixel cells makes an angle of 4 ° to 45 ° with the data lines.
6. A display device as claimed in any one of claims 1 to 4, wherein the structure for controlling the deflection of the liquid crystal molecules is one or any combination of the following structures:
sawtooth-shaped electrodes, projections on the electrodes and slits on the electrodes.
7. A 3D display device characterized by comprising a display device according to any one of claims 1 to 6.
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