CN107255873A - The changeable display device in width visual angle and driving method - Google Patents
The changeable display device in width visual angle and driving method Download PDFInfo
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- CN107255873A CN107255873A CN201710597193.7A CN201710597193A CN107255873A CN 107255873 A CN107255873 A CN 107255873A CN 201710597193 A CN201710597193 A CN 201710597193A CN 107255873 A CN107255873 A CN 107255873A
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- 230000000007 visual effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 72
- 230000003247 decreasing effect Effects 0.000 claims abstract description 41
- 230000007423 decrease Effects 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 208000007578 phototoxic dermatitis Diseases 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 10
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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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
- G02F1/1323—Arrangements for providing a switchable viewing angle
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
A kind of changeable display device in width visual angle and driving method, wherein display device includes display panel, display panel is provided with multi-strip scanning line and a plurality of data lines, the multi-strip scanning line intersects to limit with a plurality of data lines mutually insulated forms the multiple pixel cells being arranged in array, display device also includes signal-data processing module, signal-data processing module is used for when display device is in narrow viewing angle pattern, signal data from signal source is done from the centre position of display panel to both sides into successively decreasing for stepwise and processing and the signal data after processing of successively decreasing is supplied to each pixel cell of display panel by a plurality of data lines.The display device that the present embodiment is provided is realized under narrow viewing angle pattern, the brightness of display panel is gradually successively decreased change from centre position to both sides, enhances the display effect of narrow viewing angle, and collocation uses common backlight, backlight without using collecting photosensitiveness, reduces cost.
Description
Technical field
The present invention relates to the related technical field of display, the changeable display device in more particularly to a kind of width visual angle and
Driving method.
Background technology
With the continuous development of scientific technology, the production technology of display panel is more and more ripe, and visual angle is also increasingly
Extensively, people can watch clearly picture down from different perspectives, but when picture is related to individual privacy or business secret,
Privacy is protected to turn into the problem of people must face again.
View angle switch technology can largely meet protection of the people to individual privacy, business secret, narrow when switching to
During visual angle, the content shown on screen can not be seen in the range of side coil certain angle, and does not see explanation more and narrow is regarded
Angle effect is better.
Fig. 1 show a kind of module diagram of the driving framework of existing display device, and the display device includes display surface
Plate 1, time schedule controller 4 and data driving chip 5, time schedule controller 4 receive the signal data from signal source 6 and converted
For the acceptable signal of data driving chip 5, the data signal that time schedule controller 4 is provided is converted into mould by data driving chip 5
Intend signal, be then output to display panel 1 and carry out lighting display.
For liquid crystal display device, collocation is needed to use backlight in display.In order to realize width view angle switch,
One way in which is backlight of the collocation using collection photosensitiveness, although the program can realize the display brightness of picture from centre
Position is successively decreased to both sides, strengthens the narrow viewing angle display effect of two side positions, but this collection photosensitiveness backlight is more expensive, yield difference and confession
Answer business less.
The content of the invention
In view of this, it is an object of the invention to provide a kind of changeable display device in width visual angle and driving method,
It is that the function that wide viewing angle mutually switches with narrow viewing angle can be achieved without using the backlight for collecting photosensitiveness.
The present invention provides a kind of width visual angle changeable display device, including display panel, and the display panel is provided with more
Bar scan line and a plurality of data lines, the multi-strip scanning line are intersected restriction formation with a plurality of data lines mutually insulated and are arranged in array
Multiple pixel cells, the display device also includes signal-data processing module, and the signal-data processing module is used for when this is aobvious
Showing device does advanced to the signal data from signal source in narrow viewing angle pattern from the centre position of the display panel to both sides
Each picture for handling and the signal data after processing of successively decreasing being supplied to the display panel by a plurality of data lines that successively decreases of formula
Plain unit.
Further, the signal-data processing module specifically for by the signal data from signal source according to cut down percentage
Mode than gradually increasing carries out successively decreasing into stepwise from the centre position of the display panel to both sides.
Further, along the centre position from the display panel to the either side direction of both sides, the signal-data processing
Module is to being supplied to the signal data of every data line to do the processing of successively decreasing of different percent cut numerical value.
Further, along the centre position from the display panel to the either side direction of both sides, the signal-data processing
Module carries out successively decrease processing, the letter of three data lines to being supplied to same group using every three data line as one group to signal data
Number does the processing of successively decreasing of identical percent cut numerical value.
Further, the display device also includes time schedule controller and data driving chip, the signal-data processing module
Be connected between the time schedule controller and the data driving chip, the data driving chip is connected with a plurality of data lines, this when
Sequence controller is connected to receive the signal data from signal source with signal source.
Further, the display device is provided with the view angle switch button for being used for switching different visual angles pattern, the view angle switch
Button is connected with the signal-data processing module, and the signal that the signal-data processing module is sent according to the view angle switch button is sentenced
The field-of-view mode for the display device of breaking.
The present invention also provides a kind of driving method of the changeable display device in width visual angle, and the display device includes display
Panel, the display panel is provided with multi-strip scanning line and a plurality of data lines, the multi-strip scanning line and a plurality of data lines mutually insulated
Intersect the multiple pixel cells for limiting and being formed and being arranged in array, the driving method includes：
In wide viewing angle pattern, the signal data from signal source is provided to the display panel by a plurality of data lines
Each pixel cell, makes the display panel realize that wide viewing angle is shown；
In narrow viewing angle pattern, by the signal data from signal source first done from the centre position of the display panel to both sides into
The processing of successively decreasing of stepwise, then by successively decrease processing after signal data by a plurality of data lines be supplied to the display panel each
Pixel cell, makes the display panel realize that narrow viewing angle is shown.
Further, in narrow viewing angle pattern, it is described enter stepwise processing of successively decreasing, be specifically by the signal number from signal source
Carry out from the centre position of the display panel to both sides successively decreasing into stepwise in the way of according to by percent cut gradually increasing.
Further, it is right along the centre position from the display panel to the either side direction of both sides in narrow viewing angle pattern
It is supplied to the signal data of every data line to do the processing of successively decreasing of different percent cut numerical value.
Further, in narrow viewing angle pattern, along the centre position from the display panel to the either side direction of both sides, with
Every three data line is one group and carries out successively decrease processing, the signal data of three data lines to being supplied to same group to signal data
Do the processing of successively decreasing of identical percent cut numerical value.
Display device and driving method that the present invention is provided, are realized under narrow viewing angle pattern, the brightness of display panel from
Centre position to both sides are gradually successively decreased change, enhance the display effect of narrow viewing angle, and collocation is using common backlight
Can, the backlight without using collecting photosensitiveness reduces cost.
Brief description of the drawings
Fig. 1 is a kind of module diagram of the driving framework of existing display device.
Fig. 2 is the module diagram of the driving framework of display device in the embodiment of the present invention.
Fig. 3 makees the one of which schematic diagram of descending luminance processing for display device counter plate in Fig. 1.
Fig. 4 makees another schematic diagram of descending luminance processing for display device counter plate in Fig. 1.
Fig. 5 a and Fig. 5 b are the planar structure schematic diagram of display device in Fig. 1.
Fig. 6 is the schematic flow sheet of the driving method of display device in the embodiment of the present invention.
Embodiment
Further to illustrate the present invention to reach technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, to embodiment, structure, feature and its effect of the present invention, are described in detail as after.
Fig. 2 to Fig. 6 is please also refer to, Fig. 2 is the module diagram of the driving framework of display device in the embodiment of the present invention；
Fig. 3 makees the one of which schematic diagram of descending luminance processing for display device counter plate in Fig. 1；Fig. 4 is display device opposite in Fig. 1
Plate makees another schematic diagram of descending luminance processing；Fig. 5 a and Fig. 5 b are the planar structure schematic diagram of display device in Fig. 1；Fig. 6
For the schematic flow sheet of the driving method of display device in the embodiment of the present invention.
The changeable display device in width visual angle provided in an embodiment of the present invention, including display panel 10, display panel 10
Provided with multi-strip scanning line 11 and a plurality of data lines 12, the multi-strip scanning line 11 intersects restriction with the mutually insulated of a plurality of data lines 12
Form the multiple pixel cells 13 being arranged in array.
In a wherein embodiment, display panel 10 is specifically liquid crystal display panel, and it includes array base palte and array base
The color membrane substrates that plate is oppositely arranged and the liquid crystal layer between array base palte and color membrane substrates.Array base palte is towards liquid crystal layer
Side be provided with scan line 11, data wire 12, switch element 14 and pixel electrode 15.Switch element 14 is, for example, thin film transistor (TFT)
(TFT).Array base palte is intersected to limit by multi-strip scanning line 11 and the mutually insulated of a plurality of data lines 12 forms be arranged in array many
Individual pixel cell 13.Switch element 14 and pixel electrode 15 are provided with each pixel cell 13, pixel electrode 15 is by switching member
Part 14 is connected with scan line 11 and data wire 12.Each switch element 14 includes grid, active layer, source electrode and drain electrode, wherein grid
Pole electrically connects corresponding scan line 11, and source electrode electrically connects corresponding data wire 12, the corresponding pixel electrode 15 of drain electrode electrical connection.
In other embodiments, display panel 10 can also be other kinds of display panel, for example, organic light emission two
Pole pipe (OLED) display panel etc..
Display device also includes signal-data processing module 20, time schedule controller (Tcon) 40 and data driving chip
(source IC) 50, signal-data processing module 20 is connected between time schedule controller 40 and data driving chip 50, and data are driven
Dynamic chip 50 is connected with a plurality of data lines 12, and time schedule controller 40 is connected to receive the signal from signal source 60 with signal source 60
Data.
The effect of signal source 60 is to provide the signal data lighted required for display panel 10.
The effect of time schedule controller 40 is that the signal data for inputting signal source 60 is converted into data driving chip 50 and can connect
The signal received.
The effect of signal-data processing module 20 is, when display device is in narrow viewing angle pattern, by 40 turns of time schedule controller
Signal data after change is further processed, it will thus provide to the signal data of pieces of data line 12 from the interposition of display panel 10
Put to both sides and do successively decreasing into stepwise.
That is, signal-data processing module 20 is used for when display device is in narrow viewing angle pattern, to the letter from signal source 60
Number does the processing of successively decreasing into stepwise, and the signal data after handling that will successively decrease from the centre position of display panel 10 to both sides
Each pixel cell 13 of display panel 10 is supplied to by a plurality of data lines 12.
The effect of data driving chip 50 is that the data signal for providing signal-data processing module 20 passes through digital-to-analogue conversion
Device (DAC) is converted into analog signal, is then output to the pieces of data line 12 of display panel 10.
In the present embodiment, specifically, signal-data processing module 20 be used for by the signal data from signal source 60 according to
The mode that percent cut gradually increases carries out successively decreasing into stepwise from the centre position of display panel 10 to both sides.Work as display device
When being switched to narrow viewing angle pattern, signal-data processing module 20 is started working, to be carried out exemplified by the pixel cell 13 for showing a line
Illustrate, by display panel 10 using center as line of demarcation, do the equal portions of several pieces to both sides respectively, each equal portions one need of correspondence
Weaken the percent value of brightness, each percent value indicated in Fig. 3 and Fig. 4 is respectively that each pixel cell 13 cuts down percentage
The size of ratio, the numerical value of this percent cut is gradually incremented by from centre position to both sides with certain rule, as shown in Figure 3 or Figure 4；
Then the acceptable signal data of data driving chip 50 that time schedule controller 40 is exported is corresponded in point good equal portions region,
And corresponding calculating operation is done with the percent cut numerical value set；Finally treated signal data is exported to number
According to driving chip 50.It just can so realize that the display brightness of display panel 10 enters stepwise from centre position to both sides and successively decreased, strengthen
Display effect under narrow viewing angle pattern.
It please join Fig. 3, in a wherein embodiment, along the centre position from display panel 10 to any side of both sides
To 20 pairs of signal-data processing module is supplied to the signal data of every data line 12 to do different percent cut numerical value
Successively decrease processing.
It please join Fig. 4, in another embodiment, along the centre position from display panel 10 to any side of both sides
To signal-data processing module 20 carries out processing of successively decreasing per adjacent three data line 12 to be one group to signal data, to providing
Signal data to same group of adjacent three data line 12 does the processing of successively decreasing of identical percent cut numerical value.Display surface
One pixel (pixel) of plate 10 can be made up of tri- sub-pixels (sub-pixel) of R, G, B, thus can make with it is same
Connected adjacent three data line 12 of tri- sub-pixels of R, G, B does the place of successively decreasing of identical percent cut numerical value in pixel
Reason.
In order to switch width visual angle, Fig. 2 and Fig. 5 a to Fig. 5 b please be join, display device is additionally provided with for switching different visual angles mould
The view angle switch button 30 of formula, view angle switch button 30 is connected with signal-data processing module 20, signal-data processing module 20
The signal sent according to view angle switch button 30 judges the field-of-view mode of display device.User can be by triggering view angle switch button
30 send view angle switch request signal, such as when user's triggering view angle switch button 30 switches to wide viewing angle pattern, visual angle is cut
Low level signal (L) will be exported to signal-data processing module 20 by changing button 30；When user's triggering view angle switch button 30 switches
During to narrow viewing angle pattern, view angle switch button 30 will export high level signal (H) to signal-data processing module 20, so that signal
Data processing module 20 can determine whether the field-of-view mode of display device by the low and high level signal for judging to receive.
View angle switch button 30 can be mechanical key (such as Fig. 5 a), or (such as Fig. 5 b, pass through software to virtual key
Control or application program are set)., can be by operating view angle switch button 30 to aobvious when user needs switching width visual angle
Showing device sends view angle switch request signal, judges the view angle switch request signal for high level by signal-data processing module 20
Or low level, draws the field-of-view mode of display device.When display device switches to narrow viewing angle pattern, signal-data processing mould
20 pairs of signal datas from signal source 60 of block do the processing of successively decreasing into stepwise from the centre position of display panel 10 to both sides, and
Signal data after processing of successively decreasing is supplied to each pixel cell 13 of display panel 10 by a plurality of data lines 12.Pass through
View angle switch button 30, user can basis different peep-proof demand unrestricted choices switching width visual angle, the embodiment of the present invention
Display device has stronger operating flexibility and convenience.
Specifically, signal-data processing module 20 can be integrated in data driving chip 50, in VGA, or using outer
The chip of extension is realized.
The present embodiment is realized under narrow viewing angle pattern, and the brightness of display panel is gradually successively decreased change from centre position to both sides
Change, enhance the display effect of narrow viewing angle, and collocation uses common backlight, the backlight without using collecting photosensitiveness
Source, reduces cost.
Incorporated by reference to Fig. 2 to Fig. 6, the embodiment of the present invention also provides a kind of driving side of the changeable display device in width visual angle
Method, the driving method includes：
In wide viewing angle pattern, the signal data from signal source 60 is provided to display panel by a plurality of data lines 12
10 each pixel cell 13, makes display panel 10 realize that normal wide viewing angle is shown；
In narrow viewing angle pattern, the signal data from signal source 60 is first done from the centre position of display panel 10 to both sides
Enter the processing of successively decreasing of stepwise, then the signal data after handling that will successively decrease is supplied to display panel 10 by a plurality of data lines 12
Each pixel cell 13, makes display panel 10 realize that narrow viewing angle is shown.
In narrow viewing angle pattern, it is described enter stepwise processing of successively decreasing, be specifically by the signal data from signal source 60 according to
The mode that percent cut gradually increases carries out successively decreasing into stepwise from the centre position of display panel 10 to both sides.
In a wherein embodiment, as shown in figure 3, in narrow viewing angle pattern, along the centre position from display panel 10 to
The either side direction of both sides, successively decreasing for different percent cut numerical value is done to the signal data for being supplied to every data line 12
Processing.
In another embodiment, as shown in figure 4, in narrow viewing angle pattern, along the centre position from display panel 10 to
The either side direction of both sides, is one group with every three data line 12 and carries out processing of successively decreasing to signal data, to being supplied to same group
The signal datas of three data lines 12 do the processing of successively decreasing of identical percent cut numerical value.
The driving method of the present embodiment and the display device of above-described embodiment belong to same design, and the driving method is more
Many contents will not be repeated here referring also to the description as described in display device in above-described embodiment.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent variations and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of changeable display device in width visual angle, including display panel, the display panel are provided with multi-strip scanning line and many
Data line, the multi-strip scanning line intersects to limit with a plurality of data lines mutually insulated forms the multiple pixel lists being arranged in array
Member, it is characterised in that the display device also includes signal-data processing module, the signal-data processing module is used to work as the display
Device is done into stepwise in narrow viewing angle pattern to the signal data from signal source from the centre position of the display panel to both sides
Successively decrease and processing and the signal data after processing of successively decreasing be supplied to each pixel of the display panel by a plurality of data lines
Unit.
2. display device according to claim 1, it is characterised in that the signal-data processing module will be specifically for that will come from
The signal data of signal source is carried out in the way of percent cut gradually increases from the centre position of the display panel to both sides
Enter stepwise to successively decrease.
3. display device according to claim 2, it is characterised in that along from the centre position of the display panel to both sides
Either side direction, the signal-data processing module is to being supplied to the signal data of every data line to do different reduction percentages
Than the processing of successively decreasing of numerical value.
4. display device according to claim 2, it is characterised in that along from the centre position of the display panel to both sides
Either side direction, the signal-data processing module carries out successively decreasing processing using every three data line as one group to signal data, right
It is supplied to the signal data of same group of three data lines to do the processing of successively decreasing of identical percent cut numerical value.
5. display device according to claim 1, it is characterised in that the display device also includes time schedule controller and data
Driving chip, the signal-data processing module is connected between the time schedule controller and the data driving chip, the data-driven
Chip is connected with a plurality of data lines, and the time schedule controller is connected to receive the signal data from signal source with signal source.
6. display device according to claim 1, it is characterised in that the display device, which is provided with, to be used to switch different visual angles mould
The view angle switch button of formula, the view angle switch button is connected with the signal-data processing module, the signal-data processing module root
The signal sent according to the view angle switch button judges the field-of-view mode of the display device.
7. a kind of driving method of the changeable display device in width visual angle, the display device includes display panel, the display surface
Plate is provided with multi-strip scanning line and a plurality of data lines, and the multi-strip scanning line intersects restriction formation with a plurality of data lines mutually insulated and is in
Multiple pixel cells of array arrangement, it is characterised in that the driving method includes：
In wide viewing angle pattern, by the signal data from signal source by a plurality of data lines provide to the display panel each
Pixel cell, makes the display panel realize that wide viewing angle is shown；
In narrow viewing angle pattern, the signal data from signal source is first done into stepwise from the centre position of the display panel to both sides
Processing of successively decreasing, then the signal data after processing of successively decreasing is supplied to each pixel of the display panel by a plurality of data lines
Unit, makes the display panel realize that narrow viewing angle is shown.
8. driving method according to claim 7, it is characterised in that in narrow viewing angle pattern, it is described enter stepwise place of successively decreasing
Reason, be specifically by the signal data from signal source in the way of percent cut gradually increases from the centre of the display panel
Position carries out successively decreasing into stepwise to both sides.
9. driving method according to claim 8, it is characterised in that in narrow viewing angle pattern, along from the display panel
Different percent cut numbers are done to the signal data for being supplied to every data line to the either side direction of both sides in centre position
The processing of successively decreasing of value.
10. driving method according to claim 8, it is characterised in that in narrow viewing angle pattern, along from the display panel
Centre position carries out processing of successively decreasing, to providing using every three data line as one group to the either side direction of both sides to signal data
Signal data to same group of three data lines does the processing of successively decreasing of identical percent cut numerical value.
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| CN201710597193.7A CN107255873B (en) | 2017-07-20 | 2017-07-20 | Display device with switchable wide and narrow viewing angles and driving method |
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| CN201710597193.7A CN107255873B (en) | 2017-07-20 | 2017-07-20 | Display device with switchable wide and narrow viewing angles and driving method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267902A (en) * | 2018-01-15 | 2018-07-10 | 友达光电股份有限公司 | Display device and method for switching display visual angle thereof |
| CN110415654A (en) * | 2019-07-23 | 2019-11-05 | 昆山龙腾光电有限公司 | LED drive chip, LED driving method and liquid crystal display device |
| CN110415652A (en) * | 2019-07-03 | 2019-11-05 | 昆山龙腾光电有限公司 | Display driving method and display driver circuit |
| WO2020062751A1 (en) * | 2018-09-27 | 2020-04-02 | 昆山龙腾光电股份有限公司 | Switchable viewing angle display device |
| CN114255713A (en) * | 2020-09-24 | 2022-03-29 | 京东方科技集团股份有限公司 | Backlight module, display device and control method thereof |
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| WO2018171112A1 (en) * | 2017-03-24 | 2018-09-27 | 北京小米移动软件有限公司 | Viewing angle switching method and device |
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| CN111183475A (en) * | 2018-09-27 | 2020-05-19 | 昆山龙腾光电股份有限公司 | Display device with switchable viewing angle |
| TWI704550B (en) * | 2018-09-27 | 2020-09-11 | 大陸商昆山龍騰光電股份有限公司 | Viewing angle switchable display device |
| US11289033B2 (en) | 2018-09-27 | 2022-03-29 | Infovision Optoelectronics (Kunshan) Co., Ltd. | Display device with switchable viewing angles |
| CN110415652A (en) * | 2019-07-03 | 2019-11-05 | 昆山龙腾光电有限公司 | Display driving method and display driver circuit |
| CN110415654A (en) * | 2019-07-23 | 2019-11-05 | 昆山龙腾光电有限公司 | LED drive chip, LED driving method and liquid crystal display device |
| CN114255713A (en) * | 2020-09-24 | 2022-03-29 | 京东方科技集团股份有限公司 | Backlight module, display device and control method thereof |
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