CN105575345B - A kind of method for displaying image and device - Google Patents
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- CN105575345B CN105575345B CN201410538460.XA CN201410538460A CN105575345B CN 105575345 B CN105575345 B CN 105575345B CN 201410538460 A CN201410538460 A CN 201410538460A CN 105575345 B CN105575345 B CN 105575345B
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Abstract
The invention discloses a kind of method for displaying image and device, including：Determine the display pattern of image to be displayed；When to determine the display pattern be 3D display pattern, then time schedule controller scans the odd number pixel rows on liquid crystal display panel by gate drivers successively, scanning a line odd number pixel rows every time, and voltage signal corresponding with the image that the odd number pixel rows are shown is applied into scanned odd number pixel rows by source electrode driver；After the time schedule controller scans last column odd number pixel rows by the gate drivers, while scan all even pixel rows and default voltage signal to even pixel row all on the liquid crystal display panel while is applied by source electrode driver.The method provided according to embodiments of the present invention, in 3D patterns, crosstalk can't be produced.This method has no effect on the display of 3D rendering, has reached and ghost image is not both produced when showing 3D images, and the purpose that brightness is not lost when showing 2D images.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of method for displaying image and device.
Background technology
The 3D technology of main flow can be divided into shutter 3D (English at present：Shutter 3D) and polarization type 3D (English：
Polarization 3D).As shown in figure 1, in general polarization type 3D technology, in display panel during display image, adjacent two pixel column
Different polarised lights is had, when beholder wears polaroid glasses viewing, between adjacent two pixel column, a pixel column can only be left
Observe and see, another pixel column can only be watched by right eye, and 3D rendering can be synthesized after being handled by beholder's brain.This technology
In, the reason such as the defects of the defects of due to display panel in itself existing or polaroid glasses, it can cause be watched by left eye
Pixel is seen by right eye, or should be seen by the pixel that right eye is watched by left eye, at this moment will produce crosstalk (English：
Crosstalk) phenomenon.
Currently in order to solving crosstalk phenomenon, prior art takes big pixel column and the staggered liquid crystal surface of small pixel row
Plate, wherein, under 3D display pattern, parity rows show left eye and eye image respectively in big pixel column, and in all small pixels
Row shows black image, so, shows that the small pixel of black image is about to right and left eyes image and plays the effect of being spatially separating, to reduce
Crosstalk between right and left eyes image, as shown in Fig. 2 however, its scan mode, which takes size pixel column to scan successively, refreshes display figure
Picture, so, because right and left eyes image content and black image content staggeredly refresh, show same right and left eyes image information state
Under, its line frequency but needs to double, and then brings the right and left eyes image Refresh Data time to shorten, and reduces image display effect.
The content of the invention
The embodiment of the present invention provides a kind of method for displaying image and device, when it solves polarization type 3D display, in liquid crystal surface
The odd number pixel rows of plate show right and left eyes image, and even pixel row shows black image to be spatially separating right and left eyes image reduction
How crosstalk simultaneously, reduces and refreshes the problem of black image data is time-consuming.
The embodiment of the present invention provides a kind of method for displaying image, and this method includes：
Determine the display pattern of image to be displayed；
When to determine the display pattern be 3D display pattern, then time schedule controller opens liquid crystal successively by gate drivers
Odd number pixel rows on display panel, wherein, when opening a line odd number pixel rows every time, and pass through source electrode driver application and institute
State and open voltage signal corresponding to the image that a line odd number pixel rows are shown；
After the time schedule controller scans last column odd number pixel rows by the gate drivers, all even numbers are scanned
Pixel column simultaneously applies default voltage simultaneously by source electrode driver to even pixel row all on the liquid crystal display panel
Signal.
The embodiment of the present invention provides a kind of image display device, and the device includes：
Determining unit, for determining the display pattern of image to be displayed；
When display unit for determining the display pattern is 3D display pattern, then opened successively by gate drivers
Odd number pixel rows on liquid crystal display panel, wherein, when scanning a line odd number pixel rows every time, and applied by source electrode driver
Voltage signal corresponding with the image that the odd number pixel rows are shown；Last column odd number picture is scanned by the gate drivers
After plain row, default voltage is applied to even pixel row all on the liquid crystal display panel by source electrode driver simultaneously and believed
Number.
The embodiment of the present invention provides a kind of method for displaying image and device, in display image, determines image to be displayed
Display pattern, in 3D display pattern, time schedule controller opens the odd number on liquid crystal display panel by gate drivers successively
Pixel column, and voltage signal corresponding to being applied into scanned odd number pixel rows by source electrode driver；SECO
After device scans last column odd number pixel rows by the gate drivers, scan all even pixel rows and pass through source drive
Device applies default voltage signal simultaneously to all even pixel rows.By method provided in an embodiment of the present invention, sweep successively
All odd number pixel rows are retouched, refresh right and left eyes 3D rendering in odd number pixel rows, and scan and complete in last column odd number pixel rows
Afterwards, while the default voltage signal to applying in all even pixel rows, even pixel row refresh time is shortened, it is relative to carry
The high right and left eyes 3D rendering Refresh Data time of odd number pixel rows, i.e.,：The charging interval of odd number pixel rows is improved, while
Reduce power consumption.
Brief description of the drawings
Fig. 1 is general polarization type 3D technology schematic diagram；
Fig. 2 is the general polarization type 3D technology schematic diagram with polarization band；
Fig. 3 is a kind of method for displaying image flow chart provided in an embodiment of the present invention；
Fig. 4 is a kind of pixel column structural representation provided in an embodiment of the present invention；
Fig. 5 is a kind of circuit structure diagram of method for displaying image provided in an embodiment of the present invention；
Fig. 6 is the time diagram of gate drivers under 3D display pattern；
Fig. 7 is the time diagram of interlacing odd pixel column；
Fig. 8 is the time diagram of gate drivers under 2D display patterns；
Fig. 9 is the time diagram of dual scan；
Figure 10 is scan clock signal schematic diagram；
Figure 11 is a kind of image display device structure chart provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that the described embodiment only a part of embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention is described in detail with reference to Figure of description.
As shown in figure 3, a kind of method for displaying image flow chart provided in an embodiment of the present invention, this method include：
Step 301：Determine the display pattern of image to be displayed；
Step 302：When to determine the display pattern be 3D display pattern, then time schedule controller by gate drivers successively
The odd number pixel rows on liquid crystal display panel are opened, wherein, a line odd number pixel rows are scanned every time, and are applied by source electrode driver
Add voltage signal corresponding with unlatching a line odd number pixel rows display image；
Step 303：After the time schedule controller scans last column odd number pixel rows by the gate drivers, scanning
All even pixel rows are simultaneously applied in advance simultaneously by source electrode driver to even pixel row all on the liquid crystal display panel
If voltage signal.
As shown in figure 4, the area that the pixel in liquid crystal display panel in odd number pixel rows is shared on liquid crystal display panel
The area shared on liquid crystal display panel more than the pixel in even pixel row.Existed in the following description with odd number pixel rows
Shared area is more than exemplified by the area shared on liquid crystal display panel of the pixel in even pixel row on liquid crystal display panel
It is described, for even pixel row area shared on liquid crystal display panel more than the pixel in odd number pixel rows in liquid crystal
The situation of shared area is not described in detail on display panel, and it is shared on liquid crystal display panel to may be referred to odd number pixel rows
Area be more than even pixel row in pixel situation description.
The display pattern of image to be displayed described in the embodiment of the present invention has two kinds：2D display patterns and 3D display mould
Formula.
The display pattern of image to be displayed can be determined according to any one prior art in step 301, for example, according to
Entrained mark determines that the image to be displayed is 2D or 3D display pattern in image to be displayed.It is to be shown for other determinations
The method of the display pattern of image, due to being prior art, it will not be repeated here.
In step 302, when the display pattern for determining image to be displayed is 3D display pattern, time schedule controller produces 3D display
Required scan clock signal, every pixel column in liquid crystal display panel is scanned.Time schedule controller passes through control gate
The control that the units such as driver, source electrode driver are realized, specifically, as shown in figure 5, Fig. 5 includes：Time schedule controller
(Timing Congtroller, TCON), PMU, Gamma process circuits, gate drivers, source electrode driver with
And the liquid crystal display panel driven by the gate drivers, source electrode driver.Wherein, time schedule controller is except including routine
Data receiver, conversion, colourity processing, overvoltage drive processing, scanning sequence control, beyond data output function, in addition to image
Process circuit and field sync signal STV, scan clock signal CKV, enable signal OE process circuits.
Describe separately below in 3D display pattern and 2D display patterns, clock signal caused by time schedule controller control.
As shown in fig. 6, in 3D display pattern, time schedule controller exports Fig. 6 by gate drivers, source electrode driver etc.
Shown in timing control signal, realize the display of 3D rendering.Time schedule controller is produced by STV process circuits starts display figure
The signal of picture, Ga1 is produced to Gan scan clock signals according to display order by gate drivers, scans odd number pixel rows, its
Middle Gan represents the scan clock signal of the odd number pixel rows input to line n.Meanwhile source electrode driver is to scanned
Input and image to be displayed are in the corresponding voltage signal of pixel that the row is shown in odd number pixel rows.
In step 303, after scanning through last column odd number pixel rows by gate drivers, time schedule controller passes through
Gate drivers send scanning signal to every row even pixel row simultaneously, and in all even pixel rows while opening time region
It is interior that default voltage signal is applied to all even pixel rows by source drive.Specifically, time schedule controller is driven by grid
Dynamic device produces Gb1 to Gbn scan clock signals simultaneously, while scans all even pixel rows in liquid crystal display panel, and passes through
Source electrode driver inputs default voltage signal into scanned even pixel row, and wherein Gbn represents the idol to line n
The scan clock signal of number pixel column input.Preferably, default voltage signal is voltage signal corresponding to black image.
In embodiments of the present invention, time schedule controller first scans odd number pixel rows by gate drivers, treats all odd numbers
All even pixel rows are scanned after pixel column scanning simultaneously again.A kind of sequential for generating interlacing odd pixel column is given below
Schematic diagram.
As shown in fig. 7, under 3D display pattern, the clock signal schematic diagram of interlacing odd pixel column.
One scan clock signal CKV includes two pulse signals, field sync signal STV in a pixel column sends the cycle
After producing impulse level, image processing circuit starts to receive image to be displayed data, and time schedule controller passes through raster data model
The enable signal OE of device maintains high level in CKV second pulse signal, counteracts second pulse signal in CKV.
So, gate drivers produce high level pulse signal, a line odd number corresponding to driving in CKV first pulse signal
The gate turn-on of capable thin film transistor (TFT) so that the voltage signal input of the odd number pixel rows, simultaneously because CKV second arteries and veins
Rush signal to be cancelled, now gate drivers are in CKV second pulse signal, the film of a line odd-numbered line corresponding to driving
The grid closure of transistor.
Likewise, even pixel row is if desired scanned, the enable signal OE that time schedule controller passes through gate drivers
High level is maintained in CKV first pulse signal, counteracts first pulse signal in CKV, just can only scan even number
Pixel column.
During 3D display pattern, voltage corresponding to left-eye image is alternately applied into liquid crystal display panel by source electrode driver
Voltage signal corresponding to signal and eye image.Specifically, left eye is applied into M row odd number pixel rows by source electrode driver
Voltage signal corresponding to image, apply voltage signal corresponding to eye image into M+1 row odd number pixel rows, wherein M is just
Integer.For example, voltage signal corresponding to applying left-eye image into the 1st row odd number pixel rows, applies into 2 row odd number pixel rows
Voltage signal corresponding to eye image, other rows the like.Apply left-eye image pair for example into the 2nd row odd number pixel rows again
The voltage signal answered, the voltage signal corresponding to application eye image into 3 row odd number pixel rows, other rows the like.
As shown in figure 8, when image to be shown is 2D display patterns, time schedule controller is driven by gate drivers, source electrode
Timing control signal shown in the output such as dynamic device Fig. 8, realizes the display of 2D images.Time schedule controller passes through STV process circuits
The signal for starting display image is produced, Ga1 is produced to Gan scan clock signals according to display order by gate drivers, sweeps
Retouch odd number pixel rows.Meanwhile time schedule controller produces Gb1 to Gbn scan clock signals simultaneously by gate drivers, is scanning
While a line odd number pixel rows, the scanning even pixel row adjacent with the odd number pixel rows, i.e. Ga1 and Gb1 sequential phases
It is identical with Gbn sequential with, Gan.Time schedule controller is by source electrode driver to the odd pixel being synchronously scanned
Identical voltage signal, therefore the odd number pixel rows and even pixel row being synchronously scanned are inputted in row and even pixel row
Same content is shown when being shown in liquid crystal display panel.Because the pixel in odd number pixel rows is in liquid crystal display panel
The upper shared area area more shared on liquid crystal display panel than the pixel in even pixel row is big, therefore in odd number pixel rows
In the pixel of the identical voltage signal of and input adjacent with the pixel of even pixel row can regard an entirety as in display, not
The image of display can be impacted, while even pixel row can also carry out luminance compensation to odd number pixel rows.
As shown in figure 9, under 2D display patterns, dual scan time diagram.Time schedule controller inputs in data line
Two scan clock signals of generation in cycle, control the pulse width of previous scan clock signal in two scan clock signals
Less than the pulse width of the latter scan clock signal, output enable signal OE's is front and rear along the previous scan clock signal of covering
Front and rear edge so that two scan clock signal synchronism outputs.Specifically, as shown in Figure 10, in a pixel column data input cycle
In (7.4 μ s), the pulse width of previous scan clock signal is 1 μ s high level, after being spaced 1 μ s low level, the latter
Scan clock signal pulse width is 2.7 μ s high level.Certainly, the high level width of two scan clock signals can also phase
Together.
For above method flow, the embodiment of the present invention also provides a kind of image display device, the particular content of the device
Above method implementation is referred to, will not be repeated here.
As shown in figure 11, the embodiment of the present invention provides a kind of image display device, and the device includes：
Determining unit 1101, for determining the display pattern of image to be displayed；
When display unit 1102 for determining the display pattern is 3D display pattern, then by gate drivers successively
The odd number pixel rows on liquid crystal display panel are scanned, scan a line odd number pixel rows every time, and by source electrode driver to being swept
Apply voltage signal corresponding with the image that the odd number pixel rows are shown in the odd number pixel rows retouched；Pass through the raster data model
After device scans last column odd number pixel rows, by source electrode driver to even pixel row all on the liquid crystal display panel
Apply default voltage signal simultaneously.
Preferably, the display unit 1102 is additionally operable to：
When to determine the display pattern be 2D display patterns, then liquid crystal is scanned simultaneously every time by the gate drivers
Show a line odd number pixel rows adjacent on panel and a line even number line picture, and by the source electrode driver to scanned odd number
Apply corresponding with the image shown in the odd number pixel rows voltage signal in pixel column, and to odd number pixel rows while quilt
Apply and the odd number pixel rows identical voltage signal in the even pixel row of scanning.
Preferably, the display unit 1102 is specifically used for：
Voltage signal corresponding to left-eye image is applied into M row odd number pixel rows by the source electrode driver, to M
Apply voltage signal corresponding to eye image in+1 row odd number pixel rows, wherein M is positive integer.
Preferably, the display unit 1102 is additionally operable to：
Scanning signal is sent to every row even pixel row simultaneously by gate drivers, and in all even pixel rows simultaneously
Default voltage signal is applied to all even pixel rows by source drive in opening time region.
Preferably, the default voltage signal is voltage signal corresponding to black image.
Preferably, area of the pixel in the odd number pixel rows shared by the liquid crystal display panel is more than the idol
Area of the pixel shared by the liquid crystal display panel in number pixel column.
The method for implementing to provide according to the present invention, before display image, determines the display pattern of image to be displayed, shows in 3D
When showing pattern, time schedule controller scans the odd number pixel rows on liquid crystal display panel by gate drivers successively, and passes through source
Driver voltage signal corresponding to application into scanned odd number pixel rows；Time schedule controller is driven by the grid
After dynamic device scans last column odd number pixel rows, while scan all even pixel rows and by source electrode driver to all idols
Number pixel column applies default voltage signal simultaneously.By method provided in an embodiment of the present invention, 3D rendering in display, due to
The default voltage signal applied simultaneously in dual numbers pixel column, the short time is realized to more pixel columns application voltage, is reduced
The refresh time of the even pixel row of 3D rendering is not shown, adds the refresh time of the odd number pixel rows of display 3D rendering, and
Improve the charging interval of odd number pixel rows.Simultaneously when showing 2D images, it will apply in even pixel row adjacent thereto strange
Identical voltage in number pixel column so that the content phase shown in display panel in adjacent odd number pixel rows and even pixel row
Together, the luminance compensation to 2D images is realized.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of method for displaying image, it is characterised in that this method includes：
Determine the display pattern of image to be displayed；
When to determine the display pattern be 3D display pattern, then time schedule controller opens liquid crystal display successively by gate drivers
Odd number pixel rows on panel, wherein, when opening a line odd number pixel rows every time, and applied by source electrode driver and opened with described
Open voltage signal corresponding to the image that a line odd number pixel rows are shown；
After the time schedule controller scans last column odd number pixel rows by the gate drivers, all even pixels are scanned
Row simultaneously applies default voltage signal simultaneously by source electrode driver to even pixel row all on the liquid crystal display panel.
2. the method as described in claim 1, it is characterised in that this method also includes：
When to determine the display pattern be 2D display patterns, then the time schedule controller is scanned simultaneously by the gate drivers
Adjacent a line odd number pixel rows and a line even pixel row on liquid crystal display panel, and by the source electrode driver to
Scanned a line odd number pixel rows and a line even pixel row apply voltage signal corresponding with display image simultaneously.
3. the method as described in claim 1, it is characterised in that described strange by source electrode driver application and described unlatching a line
Voltage signal corresponding to the image that number pixel column is shown, including：
Voltage signal corresponding to left-eye image is applied into M row odd number pixel rows by the source electrode driver, to M+1 rows
Apply voltage signal corresponding to eye image in odd number pixel rows, wherein M is positive integer.
4. the method as described in claim 1, it is characterised in that described to scan all even pixel rows and pass through source electrode driver
All even pixel rows apply default voltage signal simultaneously on to the liquid crystal display panel, including：
The time schedule controller sends scanning signal by gate drivers to every row even pixel row, and in all even pixels
Row applies default voltage signal by source drive in opening time region to all even pixel rows simultaneously.
5. the method as described in Claims 1-4 is any, it is characterised in that the default voltage signal is black image pair
The voltage signal answered.
6. the method as described in Claims 1-4 is any, it is characterised in that the pixel in the odd number pixel rows is in the liquid
Shared area is more than face of the pixel shared by the liquid crystal display panel in the even pixel row on LCD panel
Product.
7. a kind of image display device, it is characterised in that the device includes：
Determining unit, for determining the display pattern of image to be displayed；
When display unit for determining the display pattern is 3D display pattern, then liquid crystal is opened successively by gate drivers
Odd number pixel rows on display panel, wherein, when scanning a line odd number pixel rows every time, and pass through source electrode driver application and institute
State voltage signal corresponding to the image that odd number pixel rows are shown；Last column odd number pixel rows are scanned by the gate drivers
Afterwards, scan all even pixel rows and by source electrode driver to even pixel row all on the liquid crystal display panel simultaneously
Apply default voltage signal.
8. device as claimed in claim 7, it is characterised in that the display unit is additionally operable to：
When to determine the display pattern be 2D display patterns, then scanned simultaneously on liquid crystal display panel by the gate drivers
Adjacent a line odd number pixel rows and a line even number line picture, and by the source electrode driver to scanned a line odd pixel
Apply voltage signal corresponding with display image in row and a line even pixel row simultaneously.
9. device as claimed in claim 7, it is characterised in that the display unit is specifically used for：
Voltage signal corresponding to left-eye image is applied into M row odd number pixel rows by the source electrode driver, to M+1 rows
Apply voltage signal corresponding to eye image in odd number pixel rows, wherein M is positive integer.
10. device as claimed in claim 7, it is characterised in that the display unit is additionally operable to：
Scanning signal is sent to every row even pixel row by gate drivers, and in all even pixel rows while opening time
Default voltage signal is applied to all even pixel rows by source drive in region.
11. the device as described in claim 8 to 10 is any, it is characterised in that the default voltage signal is black image
Corresponding voltage signal.
12. the device as described in claim 8 to 10 is any, it is characterised in that the pixel in the odd number pixel rows is described
It is shared on the liquid crystal display panel to be more than pixel in the even pixel row for shared area on liquid crystal display panel
Area.
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| CN106297671B (en) * | 2016-10-10 | 2020-02-07 | 深圳市华星光电技术有限公司 | Display panel and scanning drive circuit thereof |
| CN108076208B (en) * | 2016-11-15 | 2021-01-01 | 中兴通讯股份有限公司 | Display processing method and device and terminal |
| CN106782379B (en) * | 2016-12-28 | 2020-07-24 | 武汉华星光电技术有限公司 | 2D/3D display panel and driving method thereof |
| CN111710282B (en) * | 2020-07-02 | 2023-04-07 | 硅谷数模(苏州)半导体股份有限公司 | Control method and control device of time schedule controller and data transmission system |
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| CN101236344A (en) * | 2008-03-11 | 2008-08-06 | 友达光电股份有限公司 | Liquid crystal display device and driving method thereof |
| CN102547310A (en) * | 2010-12-15 | 2012-07-04 | 薄淑英 | High-definition stereoscopic display |
| CN102263975A (en) * | 2010-12-31 | 2011-11-30 | 友达光电股份有限公司 | Stereoscopic display and driving method thereof |
| CN102271273A (en) * | 2011-09-09 | 2011-12-07 | 青岛海信电器股份有限公司 | Three-dimensional image output device and three-dimensional image output method |
| CN103969834A (en) * | 2013-01-25 | 2014-08-06 | 群创光电股份有限公司 | Two dimensional/three dimensional switchable display module and a method of driving the same |
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| CN105575345A (en) | 2016-05-11 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |