CN109243394A - Narrow viewing angle display methods - Google Patents
Narrow viewing angle display methods Download PDFInfo
- Publication number
- CN109243394A CN109243394A CN201811280214.3A CN201811280214A CN109243394A CN 109243394 A CN109243394 A CN 109243394A CN 201811280214 A CN201811280214 A CN 201811280214A CN 109243394 A CN109243394 A CN 109243394A
- Authority
- CN
- China
- Prior art keywords
- sub
- pixel
- electrode
- viewing angle
- narrow viewing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- 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
- G02F1/1323—Arrangements for providing a switchable viewing angle
-
- 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
-
- 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
Abstract
A kind of method that display panel progress narrow viewing angle is shown, display panel includes multiple pixels in matrix arrangement, each pixel includes the first sub-pixel in matrix arrangement, second sub-pixel, third sub-pixel and the 4th sub-pixel, when this method includes that display panel carries out narrow viewing angle display, first voltage is applied to the first sub-pixel and the 4th sub-pixel, second voltage is applied to the second sub-pixel and third sub-pixel, first voltage is different from the voltage swing of second voltage, liquid crystal torsion angle in first sub-pixel and the 4th sub-pixel is different from the liquid crystal torsion angle in the second sub-pixel and third sub-pixel.Narrow viewing angle display methods of the invention, liquid crystal torsion angle is inconsistent in each sub-pixel, can effectively improve gray-scale inversion.
Description
Technical field
The present invention relates to technical field of liquid crystal display, in particular to a kind of narrow viewing angle display methods.
Background technique
Liquid crystal display device (liquid crystal display, LCD) has good, small in size, light-weight, the low drive of image quality
Dynamic voltage, low-power consumption, radiationless and relatively low manufacturing cost advantage, occupy an leading position in flat display field.
With being constantly progressive for LCD technology, the visible angle of display is widened via original 120 ° or so
160 ° or more, people are while visual experience is brought at the big visual angle of enjoyment, it is also desirable to effective protection trade secret and individual privacy,
To avoid screen message leaks and caused by business loss or embarrassment.Therefore, other than the demand of wide viewing angle, in many occasions
Also need the function that display device has wide viewing angle and narrow viewing angle mutually switches.
For existing peep-proof display when narrow viewing angle is shown, peep-proof display drives liquid crystal molecule in horizontal plane in addition to having
Outside the horizontal component of electric field of interior rotation, also there is vertical electric field so that partial liquid crystal molecule tilts, from the upper right side of peep-proof display and
The picture of lower right side viewing will appear grey scale, and the picture watched from the upper left side of peep-proof display and lower left side is not in ash
Scale, so that peep-proof display the problem of gray-scale inversion occurs when narrow viewing angle is shown.
Summary of the invention
In view of this, the present invention provides a kind of narrow viewing angle display methods, liquid crystal torsion angle is inconsistent in each sub-pixel, energy
It is effectively improved gray-scale inversion.
A kind of method that display panel progress narrow viewing angle is shown, display panel include multiple pixels in matrix arrangement, respectively
Pixel includes in the first sub-pixel, the second sub-pixel, third sub-pixel and the 4th sub-pixel of matrix arrangement, and this method includes aobvious
When showing that panel carries out narrow viewing angle display, first voltage is applied to the first sub-pixel and the 4th sub-pixel, to the second sub-pixel and the
Three sub-pixels apply second voltage, and first voltage is different from the voltage swing of second voltage, the first sub-pixel and the 4th sub-pixel
Interior liquid crystal torsion angle is different from the liquid crystal torsion angle in the second sub-pixel and third sub-pixel.
In an embodiment of the present invention, when above-mentioned display panel carries out narrow viewing angle display, in the first half cycle of a frame image,
First voltage is applied to first sub-pixel and the 4th sub-pixel, second is applied to second sub-pixel and the third sub-pixel
Voltage；In the later half period of a frame image, second voltage is applied to first sub-pixel and the 4th sub-pixel, to second son
Pixel and the third sub-pixel apply first voltage.
In an embodiment of the present invention, above-mentioned display panel includes color membrane substrates, array substrate and liquid crystal layer, the coloured silk film base
Plate is oppositely arranged with the array substrate, which is set between the color membrane substrates and the array substrate, on the color membrane substrates
The the first peep-proof electrode and the second peep-proof electrode that narrow viewing angle is shown are carried out equipped with the display panel is controlled.
In an embodiment of the present invention, first sub-pixel and the 4th sub-pixel are generated using the first peep-proof electrode
First vertical electric field generates the second vertical electric field to second sub-pixel and the third sub-pixel using the second peep-proof electrode,
First vertical electric field is different from the electric field level of second vertical electric field.
In an embodiment of the present invention, above-mentioned first peep-proof electrode includes multiple first sub-electrode pieces and multiple second son electricity
Pole piece, respectively the first sub-electrode piece is arranged in the first sub-pixel of the respectively pixel, and respectively second sub electrode piece setting respectively should
In 4th sub-pixel of pixel；The second peep-proof electrode includes multiple third sub-electrode pieces and multiple 4th sub-electrode pieces, respectively should
Third sub-electrode piece is arranged in the second sub-pixel of the respectively pixel, and respectively the third of the respectively pixel is arranged in the 4th sub-electrode piece
In sub-pixel.
In an embodiment of the present invention, when above-mentioned display panel carries out narrow viewing angle display, in the first half cycle of a frame image,
The first vertical electric field is generated using the first sub-electrode piece and the second sub electrode piece, utilizes the third sub-electrode piece and the 4th
Sub-electrode piece generates the second vertical electric field；In the later half period of a frame image, the first sub-electrode piece and the second son electricity are utilized
Pole piece generates the second vertical electric field, generates the first vertical electric field using the third sub-electrode piece and the 4th sub-electrode piece.
In an embodiment of the present invention, above-mentioned array substrate is equipped with multi-strip scanning line and multiple data lines, and a plurality of this is swept
It retouches line and the restriction that intersects of a plurality of data line forms multiple sub-pixels, which is first sub-pixel, the second sub- picture
One of element, third sub-pixel and the 4th sub-pixel.
In an embodiment of the present invention, above-mentioned array substrate is equipped with public electrode, pixel electrode and dielectric spacer layer, should
Dielectric spacer layer is set between the public electrode and the pixel electrode.
In an embodiment of the present invention, thin film transistor (TFT) is respectively equipped in the sub-pixel, which includes grid, source
Pole and drain electrode, the grid are electrically connected the scan line, which is electrically connected the data line, which is electrically connected the pixel electrode.
In an embodiment of the present invention, above-mentioned array substrate is equipped with multi-strip scanning line and multiple data lines, and a plurality of this is swept
It retouches line and the restriction that intersects of a plurality of data line forms multiple pixel regions, the pixel region is by first sub-pixel, the second sub- picture
The two of them of element, third sub-pixel and the 4th sub-pixel combine to be formed.
Narrow viewing angle display methods of the invention, when display panel carries out narrow viewing angle display, to the first sub-pixel and the 4th
Sub-pixel applies first voltage, applies second voltage to the second sub-pixel and third sub-pixel, first voltage and second voltage
Voltage swing is different, so that the liquid crystal torsion angle in the first sub-pixel and the 4th sub-pixel is different from the second sub-pixel and third
Liquid crystal torsion angle in sub-pixel.Liquid crystal torsion angle is inconsistent in each sub-pixel of display panel of the invention, can effectively change
Kind gray-scale inversion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display panel of first embodiment of the invention.
Fig. 2 is the positive structure diagram of the array substrate of first embodiment of the invention.
Fig. 3 is the schematic top plan view of the liquid crystal torsion angle in the single pixel of first embodiment of the invention.
Fig. 4 is the structural schematic diagram of the color membrane substrates of second embodiment of the invention.
Fig. 5 is the positive structure diagram of the color membrane substrates of second embodiment of the invention.
Fig. 6 is the positive structure diagram of the first peep-proof electrode of second embodiment of the invention.
Fig. 7 is the positive structure diagram of the second peep-proof electrode of second embodiment of the invention.
Fig. 8 is the schematic elevation view of the liquid crystal torsion angle in the single pixel of second embodiment of the invention.
Fig. 9 is the structural schematic diagram of the display panel of third embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention
Mode is further described.
First embodiment
Fig. 1 is the structural schematic diagram of the display panel of first embodiment of the invention, and Fig. 2 is the battle array of first embodiment of the invention
The positive structure diagram of column substrate.As depicted in figs. 1 and 2, display panel 100 of the invention is the liquid crystal of IPS type or FFS type
Display panel, i.e. public electrode 14 and pixel electrode 16 are formed on same substrate (i.e. thin-film transistor array base-plate).With
It is illustrated for the display panel 100 of IPS type down.In this example it is shown that panel 100 includes multiple in matrix arrangement
Pixel 101, each pixel 101 include the first sub-pixel 101a, the second sub-pixel 101b, third sub-pixel 101c and the 4th sub-pixel
101d, and the first sub-pixel 101a, the second sub-pixel 101b, third sub-pixel 101c and the 4th sub-pixel 101d are arranged in matrix
Cloth, wherein the first sub-pixel 101a and second sub-pixel 101b or so are disposed adjacent, third sub-pixel 101c and the 4th sub-pixel
101d or so is disposed adjacent；First sub-pixel 101a and the neighbouring setting of third sub-pixel 101c, the second sub-pixel 101b with
The 4th neighbouring setting of sub-pixel 101d.It is noted that pixel 101 is a little and corresponding on display panel 100
This along on 100 thickness direction of display panel arbitrary region or position.
As shown in Figure 1, display panel 100 includes array substrate 10, color membrane substrates 20 and liquid crystal layer 30.Array substrate 10 with
Color membrane substrates 20 are oppositely arranged in parallel, and liquid crystal layer 30 is set between array substrate 10 and color membrane substrates 20.
Further, color membrane substrates 20 are equipped with peep-proof electrode 22, color blocking layer 23, black matrix on the surface close to liquid crystal layer 30
24 (BM) and flatness layer 25.Color blocking layer 23 and black matrix 24 are arranged on peep-proof electrode 22, and color blocking layer 23 and black matrix 24 are mutual
Interval setting, flatness layer 25 are covered in color blocking layer 23 and black matrix 24.Color blocking layer 23 is for example including red (R), green (G), blue (B)
The color blocking material of three colors, respectively corresponds the sub-pixel (sub-pixel) to form three color of red, green, blue, which is the first sub- picture
One of plain 101a, the second sub-pixel 101b, third sub-pixel 101c and the 4th sub-pixel 101d.Black matrix 24 is set to
Between the sub-pixel of three color of red, green, blue, make to be spaced from each other between adjacent sub-pixel by black matrix 24, but not with this
It is limited, such as the sub-pixel of three color of red, green, blue successively splices setting, black matrix 24 is covered on the stitching portion of adjacent two sub-pixel.
In the present embodiment, the peep-proof electrode 22 of color membrane substrates 20 is plane-shape electrode, and peep-proof electrode 22 can generate vertical electric field, drive
Liquid crystal molecule in liquid crystal layer 30 tilts, and controls the display panel 100 carry out peep-proofs and shows, achievees the purpose that peep-proof.
As shown in Figure 1, array substrate 10 is equipped with gate insulating layer 11, insulating protective layer on the surface close to liquid crystal layer 30
12, insulate flatness layer 13, public electrode 14, dielectric spacer layer 15 and pixel electrode 16.Gate insulating layer 11 is formed in array base
Plate 10 is on the surface of liquid crystal layer 30；Insulating protective layer 12 is arranged on gate insulating layer 11；The setting of flatness layer 13 of insulating exists
On insulating protective layer 12；The setting of public electrode 14 is on insulation flatness layer 13；Dielectric spacer layer 15 is arranged on public electrode 14；
Pixel electrode 16 is arranged on dielectric spacer layer 15, i.e., dielectric spacer layer 15 be set to public electrode 14 and pixel electrode 16 it
Between.Each film layer of array substrate 10 of the invention is without being limited thereto, and the structure between each film layer and sequence can be adjusted suitably
It is whole.
As depicted in figs. 1 and 2, it is additionally provided with scan line 17 and data line 18 in array substrate 10, wherein multi-strip scanning line 17
It intersects with multiple data lines 18 and limits multiple sub-pixel SP (sub-pixel) that formation is arranged in array, which is
One of first sub-pixel 101a, the second sub-pixel 101b, third sub-pixel 101c and the 4th sub-pixel 101d.Every height picture
Pixel electrode 16 and thin film transistor (TFT) 19 (TFT) are equipped in plain 101a, 101b, 101c, 101d, thin film transistor (TFT) 19 is located at scanning
Near the position that line 17 intersects with data line 18.Each thin film transistor (TFT) 19 includes grid 192, source electrode 193 and drain electrode 194,
Middle grid 192 is electrically connected corresponding scan line 17, and source electrode 193 is electrically connected corresponding data line 18, and 194 electrical connection of drain electrode is corresponding
Pixel electrode 16.Gate insulating layer 11 is formed in array substrate 10 on the surface of liquid crystal layer 30 and covers scan line 17 and thin
The grid 192 of film transistor 19, insulating protective layer 12 are located on gate insulating layer 11 and cover data line 18 and thin film transistor (TFT)
19 source electrode 193 and drain electrode 194.In the present embodiment, insulating protective layer 12, insulation flatness layer 13, set on dielectric spacer layer 15
There is via hole 102, via hole 102 is through insulating protective layer 12, insulation flatness layer 13, dielectric spacer layer 15, and the bottom of via hole 102 is revealed
The drain electrode 194 of thin film transistor (TFT) 19 out, pixel electrode 16 can electrically be connected by via hole 102 and the drain electrode 194 of thin film transistor (TFT) 19
It connects.Pixel electrode 16 includes a plurality of electrode strip 162, and each electrode strip 162 is spaced apart from each other setting.
In the present embodiment, when display panel 100 carries out narrow viewing angle display, to the first sub-pixel 101a and the 4th sub- picture
Plain 101d applies first voltage, applies second voltage to the second sub-pixel 101b and third sub-pixel 101c, first voltage and the
The voltage swing of two voltages is different, so that the liquid crystal torsion angle in the first sub-pixel 101a and the 4th sub-pixel 101d is different from
Liquid crystal torsion angle in second sub-pixel 101b and third sub-pixel 101c.Preferably, first voltage is less than second voltage, i.e.,
The electric field generated between second sub-pixel 101b and public electrode 14 and pixel electrode 16 in third sub-pixel 101c is greater than the
The electric field generated between one sub-pixel 101a and public electrode 14 and pixel electrode 16 in the 4th sub-pixel 101d, therefore first
Liquid crystal torsion angle in sub-pixel 101a and the 4th sub-pixel 101d is different from the second sub-pixel 101b and third sub-pixel
Liquid crystal torsion angle in 101c.
Fig. 3 is the schematic top plan view of the liquid crystal torsion angle in the single pixel of first embodiment of the invention.Such as Fig. 1 and figure
Shown in 3, orthogonal first direction X and second direction Y in horizontal plane, the third direction Z of definition and horizontal plane are defined,
That is third direction Z is perpendicular to first direction X and second direction Y, and wherein first direction X and second direction Y are parallel to display panel
100 display surface；Third direction Z is parallel to the thickness direction of display panel 100.It is shown when display panel 100 carries out narrow viewing angle
When, vertical electric field is generated between array substrate 10 and color membrane substrates 20, it is vertical in each sub-pixel 101a, 101b, 101c, 101d
Electric field level is identical, therefore liquid crystal (long axis direction of liquid crystal molecule) and third in each sub-pixel 101a, 101b, 101c, 101d
Angle between the Z of direction is identical.Since the horizontal component of electric field in the second sub-pixel 101b and third sub-pixel 101c is greater than the first son
Horizontal component of electric field in pixel 101a and the 4th sub-pixel 101d, the liquid crystal torsion of the second sub-pixel 101b and third sub-pixel 101c
Angle is greater than the liquid crystal torsion angle in the first sub-pixel 101a and the 4th sub-pixel 101d, i.e. the second sub-pixel 101b and third
Angle between the liquid crystal (long axis direction of liquid crystal molecule) and first direction X of sub-pixel 101c be greater than the first sub-pixel 101a and
Angle between liquid crystal and first direction X or the second sub-pixel 101b and third sub-pixel in 4th sub-pixel 101d
Angle between the liquid crystal (long axis direction of liquid crystal molecule) and second direction Y of 101c is greater than of the first sub-pixel 101a and the 4th
Angle between liquid crystal in pixel 101d and second direction Y.Since liquid crystal is turned round in each sub-pixel 101a, 101b, 101c, 101d
Gyration is inconsistent, can effectively improve gray-scale inversion.
It is noted that the voltage due to two neighboring sub-pixel is different, make two neighboring sub-pixel there are luminance difference,
Image quality is caused granular sensation occur, it is sub to first in the first half cycle of a frame image when display panel 100 carries out narrow viewing angle display
Pixel 101a and the 4th sub-pixel 101d applies first voltage, applies second to the second sub-pixel 101b and third sub-pixel 101c
Voltage applies second voltage to the first sub-pixel 101a and the 4th sub-pixel 101d in the later half period of a frame image, to second
Sub-pixel 101b and third sub-pixel 101c applies first voltage, that is to say, that in a frame image temporal, using first voltage
It is toggled with second voltage, can effectively avoid image quality and granular sensation occur.
Second embodiment
Fig. 4 is the structural schematic diagram of the color membrane substrates of second embodiment of the invention.Fig. 5 is the coloured silk of second embodiment of the invention
The positive structure diagram of ilm substrate.As shown in Figure 4 and Figure 5, the display of the display panel 100 of the present embodiment and first embodiment
100 structure of panel is roughly the same, the difference lies in that the structure of color membrane substrates 20 is different.
Specifically, as shown in Figure 4 and Figure 5, color membrane substrates 20 are equipped with the first peep-proof electrode on the surface close to liquid crystal layer 30
22a, the second peep-proof electrode 22b, color blocking layer 23, black matrix 24 (BM), flatness layer 25 and insulating layer 26.First peep-proof electrode 22a
It is arranged in color blocking layer 23 and black matrix 24；Insulating layer 26 is covered on the first peep-proof electrode 22a；Second peep-proof electrode 22b is set
It sets on the insulation layer 26；Flatness layer 25 is covered on the second peep-proof electrode 22b.Color blocking layer 23 is for example including red (R), green (G), indigo plant
(B) the color blocking material of three colors respectively corresponds the sub-pixel (sub-pixel) to form three color of red, green, blue, as shown in Figure 5.Red,
Green, Lan Sanse sub-pixel successively splices setting, and black matrix 24 is covered on the stitching portion of adjacent two sub-pixel.In the present embodiment
In, the first peep-proof electrode 22a of color membrane substrates 20 gives different voltages, the first peep-proof electrode from the second peep-proof electrode 22b respectively
22a and the second peep-proof electrode 22b can generate vertical electric field, and the liquid crystal molecule in liquid crystal layer 30 is driven to tilt, and control display surface
Plate 100 carries out peep-proof and shows, achievees the purpose that peep-proof.
Fig. 6 is the positive structure diagram of the first peep-proof electrode of second embodiment of the invention.As shown in Figure 4 and Figure 6,
One peep-proof electrode 22a includes multiple first sub-electrode piece 221a and multiple second sub electrode piece 223a.Each first sub-electrode piece
221a is arranged in the first sub-pixel 101a of each pixel 101, and the first sub-electrode piece 221a can generate vertical electric field, drives first
Liquid crystal molecule in sub-pixel 101a tilts；The 4th sub-pixel 101d of each pixel 101 is arranged in each second sub electrode piece 223a
Interior, second sub electrode piece 223a can generate vertical electric field, and the liquid crystal molecule in the 4th sub-pixel 101d is driven to tilt.
Fig. 7 is the positive structure diagram of the second peep-proof electrode of second embodiment of the invention.As shown in figs. 4 and 7,
Two peep-proof electrode 22b include multiple third sub-electrode piece 225b and multiple 4th sub-electrode piece 227b.Each third sub-electrode piece
225b is arranged in the second sub-pixel 101b of each pixel 101, and third sub-electrode piece 225b can generate vertical electric field, drives second
Liquid crystal molecule in sub-pixel 101b tilts；The third sub-pixel 101c of each pixel 101 is arranged in each 4th sub-electrode piece 227b
Interior, the 4th sub-electrode piece 227b can generate vertical electric field, and the liquid crystal molecule in third sub-pixel 101c is driven to tilt.
Fig. 8 is the schematic elevation view of the liquid crystal torsion angle in the single pixel of second embodiment of the invention.Such as Fig. 5 and figure
Shown in 8, when display panel 100 carries out narrow viewing angle display, the first sub-electrode piece 221a and second sub electrode piece 223a generate the
One vertical electric field, third sub-electrode piece 225b and the 4th sub-electrode piece 227b generate the second vertical electric field, and the second vertical electric field
It is of different sizes with the first vertical electric field, therefore liquid crystal torsion angle is inconsistent in each sub-pixel 101a, 101b, 101c, 101d,
It can effectively improve gray-scale inversion.When the second vertical electric field is greater than the first vertical electric field, the second sub-pixel 101b and third sub- picture
The liquid crystal torsion angle of plain 101c be greater than the first sub-pixel 101a and the 4th sub-pixel 101d in liquid crystal torsion angle, i.e., second
Angle between sub-pixel 101b and the liquid crystal and third direction Z of third sub-pixel 101c is less than the first sub-pixel 101a and the 4th
Angle between liquid crystal in sub-pixel 101d and third direction Z, as shown in Figure 8；When the second vertical electric field is vertical less than first
When electric field, the liquid crystal torsion angle of the second sub-pixel 101b and third sub-pixel 101c are less than of the first sub-pixel 101a and the 4th
Liquid crystal torsion angle in pixel 101d, the i.e. liquid crystal of the second sub-pixel 101b and third sub-pixel 101c and third direction Z it
Between angle be greater than the angle between the first sub-pixel 101a and liquid crystal and third direction Z in the 4th sub-pixel 101d.
When the second vertical electric field and the first vertical electric field it is of different sizes when, i.e., the vertical electric field of two neighboring sub-pixel is not
Together, making two neighboring sub-pixel, there are luminance differences, and image quality is caused granular sensation occur, show when display panel 100 carries out narrow viewing angle
When, in the first half cycle of a frame image, the first sub-electrode piece 221a and second sub electrode piece 223a generate the first vertical electric field, the
Three sub-electrode piece 225b and the 4th sub-electrode piece 227b generate the second vertical electric field；In the later half period of a frame image, the first son
Electrode slice 221a and second sub electrode piece 223a generates the second vertical electric field, third sub-electrode piece 225b and the 4th sub-electrode piece
227b generates the first vertical electric field, that is to say, that in a frame image temporal, using the first vertical electric field and the second vertical electric field
It toggles, can effectively avoid image quality and granular sensation occur.
It is noted that the position of the first sub-electrode piece 221a and second sub electrode piece 223a of the first peep-proof electrode 22a
It sets and is not limited with above-mentioned, such as each first sub-electrode piece 221a is arranged in the second sub-pixel 101b of each pixel 101；Each
Two sub-electrode piece 223a are arranged in the third sub-pixel 101c of each pixel 101.The third sub-electrode piece of second peep-proof electrode 22b
The position of 225b and the 4th sub-electrode piece 227b are not limited with above-mentioned, such as each third sub-electrode piece 225b is arranged in each pixel
In 101 the first sub-pixel 101a, each 4th sub-electrode piece 227b is arranged in the 4th sub-pixel 101d of each pixel 101, respectively
The position of sub-electrode piece 221a, 223a, 225b, 227b according to actual needs can unrestricted choice, guarantee each sub-pixel 101a,
Liquid crystal torsion angle is inconsistent in 101b, 101c, 101d.
3rd embodiment
Fig. 9 is the structural schematic diagram of the display panel of third embodiment of the invention.As shown in figure 9, the display of the present embodiment
Panel 100 is roughly the same with 100 structure of display panel of second embodiment, and difference is the partial structurtes of color membrane substrates 20 not
Together.
Specifically, the first peep-proof electrode 22a and the second peep-proof electrode 22b setting of color membrane substrates 20 are in color blocking layer 23 and black
On matrix 24, i.e. the first peep-proof electrode 22a and the second peep-proof electrode 22b are located at the same layer of color membrane substrates 20；Flatness layer 25 covers
It covers on the first peep-proof electrode 22a and the second peep-proof electrode 22b.About the first peep-proof electrode 22a's and the second peep-proof electrode 22b
Structure and function please refers to second embodiment, and details are not described herein again.
Fourth embodiment
The invention further relates to a kind of narrow viewing angle display methods, which utilizes above-mentioned display panel 100,
This method comprises:
When display panel 100 carries out narrow viewing angle display, the is applied to the first sub-pixel 101a and the 4th sub-pixel 101d
One voltage applies second voltage, the voltage of first voltage and second voltage to the second sub-pixel 101b and third sub-pixel 101c
It is of different sizes, so that the liquid crystal torsion angle in the first sub-pixel 101a and the 4th sub-pixel 101d is different from the second sub-pixel
Liquid crystal torsion angle in 101b and third sub-pixel 101c.
There are luminance differences, and image quality to be caused granular sensation occur for two neighboring sub-pixel in order to prevent, when display panel 100 carries out
When narrow viewing angle is shown, in the first half cycle of a frame image, the first electricity is applied to the first sub-pixel 101a and the 4th sub-pixel 101d
Pressure applies second voltage to the second sub-pixel 101b and third sub-pixel 101c；In the later half period of a frame image, to this first
Sub-pixel 101a and the 4th sub-pixel 101d apply second voltage, apply the to the second sub-pixel 101b and third sub-pixel 101c
One voltage is toggled in a frame image temporal using first voltage and second voltage.
Further, when display panel 100 carries out narrow viewing angle display, the son electricity of the first sub-electrode piece 221a and second is utilized
Pole piece 223a generates the first vertical electric field, generates the second vertical electricity using third sub-electrode piece 225b and the 4th sub-electrode piece 227b
, and the second vertical electric field and the first vertical electric field is of different sizes.
There are luminance differences, and image quality to be caused granular sensation occur for two neighboring sub-pixel in order to prevent, when display panel 100 carries out
When narrow viewing angle is shown, in the first half cycle of a frame image, generated using the first sub-electrode piece 221a and second sub electrode piece 223a
First vertical electric field generates the second vertical electric field using third sub-electrode piece 225b and the 4th sub-electrode piece 227b；In a frame figure
The later half period of picture generates the second vertical electric field using the first sub-electrode piece 221a and second sub electrode piece 223a, utilizes third
Sub-electrode piece 225b and the 4th sub-electrode piece 227b generates the first vertical electric field, vertical using first in a frame image temporal
Electric field is toggled with the second vertical electric field.
5th embodiment
The display panel 100 of the present embodiment and 100 structure of display panel of first embodiment are roughly the same, and difference is
The distributed areas of sub-pixel are different.
Specifically, array substrate 10 be equipped with multi-strip scanning line 17 and multiple data lines 18, multi-strip scanning line 17 with it is a plurality of
The restriction that intersects of data line 18 forms multiple pixel regions, and pixel region is by the first sub-pixel 101a, the second sub-pixel 101b, third
Sub-pixel 101c and the 4th sub-pixel 101d two of them combine to be formed, such as the first sub-pixel 101a and the second sub-pixel 101b
A pixel region is formed, third sub-pixel 101c and the 4th sub-pixel 101d form one other pixel area, about each sub-pixel
The control method of 101a, 101b, 101c, 101d please refer to above-described embodiment, and details are not described herein again.The display panel of the present embodiment
100 toggle without carrying out electric field in a frame image temporal and image quality can be solved the problem of granular sensation occur.
Narrow viewing angle display methods of the invention utilizes above-mentioned display panel 100, shows when display panel 100 carries out narrow viewing angle
When showing, first voltage is applied to the first sub-pixel 101a and the 4th sub-pixel 101d, to the second sub-pixel 101b and third sub- picture
Plain 101c applies second voltage, and first voltage is different from the voltage swing of second voltage, so that the first sub-pixel 101a and the 4th
Liquid crystal torsion angle in sub-pixel 101d is different from the liquid crystal torsion angle in the second sub-pixel 101b and third sub-pixel 101c
Degree.Liquid crystal torsion angle is inconsistent in display panel 100 each sub-pixel 101a, 101b, 101c, 101d of the invention, can be effective
Improve gray-scale inversion.
The present invention is not limited to the specific details in the above embodiment, within the scope of the technical concept of the present invention, can be with
Various simple variants of the technical solution of the present invention are made, these simple variants all belong to the scope of protection of the present invention.Above-mentioned
Each particular technique feature described in specific embodiment can pass through any suitable side in the case of no contradiction
Formula is combined.In order to avoid unnecessary repetition, the invention will not be further described in various possible combinations.
Claims (10)
1. a kind of display panel carries out the method that narrow viewing angle is shown, which includes multiple pixels in matrix arrangement, respectively
The pixel includes existing in the first sub-pixel of matrix arrangement, the second sub-pixel, third sub-pixel and the 4th sub-pixel, feature
In, this method comprises:
When the display panel carries out narrow viewing angle display, first voltage is applied to first sub-pixel and the 4th sub-pixel, to this
Second sub-pixel and the third sub-pixel apply second voltage, and the first voltage is different from the voltage swing of the second voltage, should
Liquid crystal torsion angle in first sub-pixel and the 4th sub-pixel is different from second sub-pixel and the third sub-pixel
Liquid crystal torsion angle.
2. narrow viewing angle display methods as described in claim 1, which is characterized in that when the display panel carries out narrow viewing angle display,
In the first half cycle of a frame image, first voltage is applied to first sub-pixel and the 4th sub-pixel, to second sub-pixel
Apply second voltage with the third sub-pixel；In the later half period of a frame image, to first sub-pixel and the 4th sub-pixel
Apply second voltage, first voltage is applied to second sub-pixel and the third sub-pixel.
3. narrow viewing angle display methods as claimed in claim 2, which is characterized in that the display panel includes color membrane substrates, array
Substrate and liquid crystal layer, the color membrane substrates are oppositely arranged with the array substrate, which is set to the color membrane substrates and the array
Between substrate, which, which is equipped with, controls the first peep-proof electrode and the second peep-proof that display panel progress narrow viewing angle is shown
Electrode.
4. narrow viewing angle display methods as claimed in claim 3, which is characterized in that using the first peep-proof electrode to first son
Pixel and the 4th sub-pixel generate the first vertical electric field, using the second peep-proof electrode to second sub-pixel and third
Pixel generates the second vertical electric field, and first vertical electric field is different from the electric field level of second vertical electric field.
5. narrow viewing angle display methods as claimed in claim 4, which is characterized in that the first peep-proof electrode includes multiple first sons
Electrode slice and multiple second sub electrode pieces, respectively the first sub-electrode piece is arranged in the first sub-pixel of the respectively pixel, respectively this
Two sub-electrode pieces are arranged in the 4th sub-pixel of the respectively pixel；The second peep-proof electrode includes multiple third sub-electrode pieces and more
A 4th sub-electrode piece, respectively the third sub-electrode piece is arranged in the second sub-pixel of the respectively pixel, respectively the 4th sub-electrode piece
It is arranged in the third sub-pixel of the respectively pixel.
6. narrow viewing angle display methods as claimed in claim 5, which is characterized in that when the display panel carries out narrow viewing angle display,
In the first half cycle of a frame image, the first vertical electric field is generated using the first sub-electrode piece and the second sub electrode piece, is utilized
The third sub-electrode piece and the 4th sub-electrode piece generate the second vertical electric field；In the later half period of a frame image, using this
One sub-electrode piece and the second sub electrode piece generate the second vertical electric field, utilize the third sub-electrode piece and the 4th sub-electrode piece
Generate the first vertical electric field.
7. narrow viewing angle display methods as claimed in claim 3, which is characterized in that the array substrate be equipped with multi-strip scanning line and
Multiple data lines, the restriction that intersects of a plurality of scan line and a plurality of data line form multiple sub-pixels, which is should
One of first sub-pixel, the second sub-pixel, third sub-pixel and the 4th sub-pixel.
8. narrow viewing angle display methods as claimed in claim 7, which is characterized in that the array substrate be equipped with public electrode, as
Plain electrode and dielectric spacer layer, the dielectric spacer layer are set between the public electrode and the pixel electrode.
9. narrow viewing angle display methods as claimed in claim 8, which is characterized in that thin film transistor (TFT) is respectively equipped in the sub-pixel,
The thin film transistor (TFT) includes grid, source electrode and drain electrode, which is electrically connected the scan line, which is electrically connected the data line, should
Drain electrode is electrically connected the pixel electrode.
10. narrow viewing angle display methods as claimed in claim 3, which is characterized in that the array substrate is equipped with multi-strip scanning line
And multiple data lines, the restriction that intersects of a plurality of scan line and a plurality of data line form multiple pixel regions, the pixel region by
First sub-pixel, the second sub-pixel, third sub-pixel and the 4th sub-pixel two of them combine to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280214.3A CN109243394B (en) | 2018-10-30 | 2018-10-30 | Narrow viewing angle display method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280214.3A CN109243394B (en) | 2018-10-30 | 2018-10-30 | Narrow viewing angle display method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109243394A true CN109243394A (en) | 2019-01-18 |
| CN109243394B CN109243394B (en) | 2022-02-15 |
Family
ID=65079393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280214.3A Active CN109243394B (en) | 2018-10-30 | 2018-10-30 | Narrow viewing angle display method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243394B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109976006A (en) * | 2019-04-09 | 2019-07-05 | 昆山龙腾光电有限公司 | The driving method of liquid crystal display device |
| CN110376804A (en) * | 2019-06-27 | 2019-10-25 | 上海天马微电子有限公司 | Display panel and its driving method and display device |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW571165B (en) * | 2000-12-15 | 2004-01-11 | Nec Lcd Technologies Ltd | Liquid crystal display device |
| CN1645197A (en) * | 2005-01-31 | 2005-07-27 | 广辉电子股份有限公司 | Liquid crystal displaying device |
| CN1952767A (en) * | 2006-11-27 | 2007-04-25 | 友达光电股份有限公司 | LCD panel and array base plate of active element thereof |
| CN1991461A (en) * | 2005-12-29 | 2007-07-04 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and method of driving the same |
| CN101000439A (en) * | 2007-01-18 | 2007-07-18 | 友达光电股份有限公司 | Liquid crystal display and its driving method and electrode layout method |
| CN101017265A (en) * | 2007-03-12 | 2007-08-15 | 友达光电股份有限公司 | Control device of pixel and display device using same |
| TW200744044A (en) * | 2006-05-19 | 2007-12-01 | Au Optronics Corp | Wide viewing angle LCD and driving method thereof |
| CN102566163A (en) * | 2011-12-30 | 2012-07-11 | 友达光电股份有限公司 | Display panel |
| US20120281174A1 (en) * | 2011-05-04 | 2012-11-08 | Au Optronics Corporation | Liquid crystal display panel |
| CN103364999A (en) * | 2012-03-28 | 2013-10-23 | 瀚宇彩晶股份有限公司 | IPS (in-plane switching) liquid crystal display device |
| CN103941490A (en) * | 2013-10-23 | 2014-07-23 | 友达光电股份有限公司 | Pixel unit, pixel array and liquid crystal display panel |
| CN105652532A (en) * | 2016-03-07 | 2016-06-08 | 友达光电股份有限公司 | Liquid crystal display panel and driving method thereof |
| CN105807512A (en) * | 2016-04-13 | 2016-07-27 | 昆山龙腾光电有限公司 | Display panel, display device and driving method thereof |
| CN106646936A (en) * | 2016-11-02 | 2017-05-10 | 昆山龙腾光电有限公司 | View-angle-switchable liquid crystal display device and driving method |
| CN106932973A (en) * | 2017-04-18 | 2017-07-07 | 昆山龙腾光电有限公司 | The changeable liquid crystal display device in visual angle |
| CN107942590A (en) * | 2017-11-20 | 2018-04-20 | 昆山龙腾光电有限公司 | Array base palte and liquid crystal display device and driving method |
| CN108519697A (en) * | 2018-04-19 | 2018-09-11 | 昆山龙腾光电有限公司 | Display panel and display device |
-
2018
- 2018-10-30 CN CN201811280214.3A patent/CN109243394B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW571165B (en) * | 2000-12-15 | 2004-01-11 | Nec Lcd Technologies Ltd | Liquid crystal display device |
| CN1645197A (en) * | 2005-01-31 | 2005-07-27 | 广辉电子股份有限公司 | Liquid crystal displaying device |
| CN1991461A (en) * | 2005-12-29 | 2007-07-04 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and method of driving the same |
| TW200744044A (en) * | 2006-05-19 | 2007-12-01 | Au Optronics Corp | Wide viewing angle LCD and driving method thereof |
| CN1952767A (en) * | 2006-11-27 | 2007-04-25 | 友达光电股份有限公司 | LCD panel and array base plate of active element thereof |
| CN101000439A (en) * | 2007-01-18 | 2007-07-18 | 友达光电股份有限公司 | Liquid crystal display and its driving method and electrode layout method |
| CN101017265A (en) * | 2007-03-12 | 2007-08-15 | 友达光电股份有限公司 | Control device of pixel and display device using same |
| US20120281174A1 (en) * | 2011-05-04 | 2012-11-08 | Au Optronics Corporation | Liquid crystal display panel |
| CN102566163A (en) * | 2011-12-30 | 2012-07-11 | 友达光电股份有限公司 | Display panel |
| CN103364999A (en) * | 2012-03-28 | 2013-10-23 | 瀚宇彩晶股份有限公司 | IPS (in-plane switching) liquid crystal display device |
| CN103941490A (en) * | 2013-10-23 | 2014-07-23 | 友达光电股份有限公司 | Pixel unit, pixel array and liquid crystal display panel |
| CN105652532A (en) * | 2016-03-07 | 2016-06-08 | 友达光电股份有限公司 | Liquid crystal display panel and driving method thereof |
| CN105807512A (en) * | 2016-04-13 | 2016-07-27 | 昆山龙腾光电有限公司 | Display panel, display device and driving method thereof |
| CN106646936A (en) * | 2016-11-02 | 2017-05-10 | 昆山龙腾光电有限公司 | View-angle-switchable liquid crystal display device and driving method |
| CN106932973A (en) * | 2017-04-18 | 2017-07-07 | 昆山龙腾光电有限公司 | The changeable liquid crystal display device in visual angle |
| CN107942590A (en) * | 2017-11-20 | 2018-04-20 | 昆山龙腾光电有限公司 | Array base palte and liquid crystal display device and driving method |
| CN108519697A (en) * | 2018-04-19 | 2018-09-11 | 昆山龙腾光电有限公司 | Display panel and display device |
Non-Patent Citations (1)
| Title |
|---|
| 王海宏，焦峰编: "《平板显示释疑手册》", 31 December 2016 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109976006A (en) * | 2019-04-09 | 2019-07-05 | 昆山龙腾光电有限公司 | The driving method of liquid crystal display device |
| CN110376804A (en) * | 2019-06-27 | 2019-10-25 | 上海天马微电子有限公司 | Display panel and its driving method and display device |
| CN110376804B (en) * | 2019-06-27 | 2022-08-02 | 上海天马微电子有限公司 | Display panel, driving method thereof and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109243394B (en) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109100881B (en) | Liquid crystal display panel and display device | |
| CN104536215B (en) | A kind of array base palte and liquid crystal display panel | |
| CN107144990B (en) | Multi-view angle controllable liquid crystal display device and driving method | |
| CN207249281U (en) | The changeable liquid crystal display device in visual angle | |
| CN107193164B (en) | Array substrate, liquid crystal display device and driving method | |
| CN105425480A (en) | View angle switchable liquid crystal display device and view angle switching method thereof | |
| CN108508666A (en) | Array substrate, liquid crystal display device and view angle switch method | |
| CN107505782A (en) | Array base palte and liquid crystal display device and driving method | |
| CN104865757A (en) | Display panel, display device and view angle control method of display panel | |
| CN107255895A (en) | Array base palte and liquid crystal display device and driving method | |
| CN104062821B (en) | A kind of thin-film transistor array base-plate, display floater and display device | |
| CN108257576B (en) | Array substrate and driving method thereof, and liquid crystal display device and driving method thereof | |
| CN108646451A (en) | Display panel and display device | |
| CN110780473B (en) | Liquid crystal display device and method for manufacturing the same | |
| CN108519704A (en) | Display panel and narrow viewing angle display methods | |
| CN109239995A (en) | Liquid crystal display device and its driving method | |
| CN107942590A (en) | Array base palte and liquid crystal display device and driving method | |
| CN102073175A (en) | Liquid crystal display panel and liquid crystal display device | |
| CN110297364A (en) | A kind of array substrate, liquid crystal display panel and liquid crystal display device | |
| CN104330936B (en) | Display panel and display device | |
| CN109116639A (en) | Liquid crystal display device and its driving method | |
| CN107678214A (en) | Array base palte and liquid crystal display device and driving method | |
| CN108803151A (en) | A kind of liquid crystal display panel and display device | |
| CN109243394A (en) | Narrow viewing angle display methods | |
| CN108761856B (en) | Array substrate, liquid crystal display device and driving method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant before: Kunshan Longteng Optronics Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |