CN109346026A - The driving device and liquid crystal display of liquid crystal display panel - Google Patents
The driving device and liquid crystal display of liquid crystal display panel Download PDFInfo
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- CN109346026A CN109346026A CN201811569873.9A CN201811569873A CN109346026A CN 109346026 A CN109346026 A CN 109346026A CN 201811569873 A CN201811569873 A CN 201811569873A CN 109346026 A CN109346026 A CN 109346026A
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- unit
- liquid crystal
- crystal display
- high potential
- state
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Classifications
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
Abstract
The invention discloses a kind of driving devices of liquid crystal display panel, including sequence controller and level shifter, low pressure clock signal is converted to high switching voltages signal and exported to GOA driving unit by the level shifter, the level shifter includes: that high potential forms unit, is used to form the first high potential on-state voltage and exports to the GOA driving unit；Low potential forms unit, is used to form low potential standoff voltage and exports to the GOA driving unit；Current potential drags down unit, for the first high potential on-state voltage to be pulled low to the second high potential on-state voltage.The invention also discloses the liquid crystal displays comprising driving device as described above.Liquid crystal display provided by the invention reduces the on-state voltage of grid in display panel, thereby saves the power consumption of liquid crystal display when carrying out the screen intensity lower improper display state of requirement.
Description
Technical field
The present invention relates to display technology field, in particular to the driving device and liquid crystal of a kind of liquid crystal display panel
Show device.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) is the display equipment of planar ultra-thin, it is by certain
The colour or monochrome pixels of quantity form, and are placed in front of light source or reflecting surface.Liquid crystal display power consumption is very low, and has
High image quality, small in size, light-weight feature, therefore favored by everybody, become the mainstream of display.
Traditional liquid crystal display includes sequence controller (T-con), source electrode driver (Source driver), grid
Driver (Gate driver) and liquid crystal display panel.In order to manufacture the liquid crystal display of narrow frame, one kind has been developed at present
Gate driving circuit is produced on the technology on liquid crystal display panel, that is, gate driving substrate (Gate driver on
Array, GOA), specifically, in the array substrate of liquid crystal display panel, it includes pixel array region and it is located at outside pixel array region
The GOA driving unit enclosed.When the clock signal that sequence controller generates is sent to GOA driving unit, GOA driving unit can be produced
Raw gated sweep signal (switching voltage signal of thin film transistor (TFT) in display panel) is exported to the pixel unit of pixel array region,
At the same time, source electrode driver can export the pixel unit of gray scale voltage to pixel array region.
In the liquid crystal display of GOA technology, the clock signal that sequence controller generates is usually low pressure clock signal
(3V/0V), and the GOA driving unit in array substrate and the thin film transistor (TFT) in pixel unit, gate switch voltage are usual
It is 28V/-6V, the clock signal that sequence controller generates is not enough to directly drive GOA driving unit and works.Therefore, it is necessary to
Increase setting level shifter (Level Shifter) between sequence controller and GOA driving unit, it will by level shifter
The low pressure clock signal that sequence controller provides is converted to high switching voltages signal, with the film crystal on drive array substrate
Pipe works.Since grid drive chip is omitted in GOA technology, which is normally located at source drive
On the drive circuit board of side, it thus will increase the load of source drive side, increase power consumption.
Therefore, the prior art needs to be improved and developed.
Summary of the invention
In view of this, the liquid of GOA technology can be reduced the present invention provides a kind of driving device of liquid crystal display panel
The power consumption of crystal display improves product competitiveness.
To achieve the goals above, present invention employs the following technical solutions:
A kind of driving device of liquid crystal display panel, the liquid crystal display panel include GOA driving unit, the driving dress
Set sequence controller and level shifter including being set on drive circuit board, the level shifter is by the timing control
The low pressure clock signal that device provides is converted to high switching voltages signal and exports to the GOA driving unit, wherein the current potential
Translator includes:
High potential forms unit, when for receiving the clock signal of high level in the level shifter, forms first
High potential on-state voltage is exported to the GOA driving unit；
Low potential forms unit, for forming low electricity when the level shifter receives low level clock signal
Position standoff voltage is exported to the GOA driving unit；
Current potential drags down unit, is connected to the high potential according to control signal-selectivity and forms unit, and being used for will be described
First high potential on-state voltage is pulled low to the second high potential on-state voltage.
Specifically, the display state relation of the control signal and the liquid crystal display, the liquid crystal display are shown
Show that state includes that normal display state and screen intensity require the improper display state for being lower than the normal display state；Institute
When stating normal display state, the control signal controls the interruption that the current potential drags down unit and the high potential forms unit
It opens, the high potential forms unit and exports the first high potential on-state voltage；In the improper display state, the control
The signal control processed current potential drags down unit and the high potential is formed between unit and connected, and the high potential forms unit output
The second high potential on-state voltage.
Specifically, the improper display state includes that screen protection shows state.
Specifically, the size of the second high potential on-state voltage be the first high potential on-state voltage 70% with
On.
Specifically, the first high potential on-state voltage is 28V, and the low potential standoff voltage is -6V, and described second is high
Current potential on-state voltage is 20~24V.
Specifically, the low pressure clock signal includes initial signal and clock signal, the high switching voltages signal with
The low pressure clock signal corresponds.
Specifically, it includes that the first resistor list formed is sequentially connected in series by multiple first resistors that the high potential, which forms unit,
Member, the potential difference at first resistor unit both ends form the first high potential on-state voltage；The current potential drags down unit packet
Second resistance unit and switch are included, first one end of the second resistance unit is connected to first in the first resistor unit
Node, second end connect the first end of the switch, and the second end of the switch is connected in the first resistor unit
The control terminal of two nodes, the switch connects the control signal, includes one between the first node and the second node
A above first resistor；In switch connection, the second resistance unit is parallel to the first resistor unit
On, the all-in resistance at first resistor unit both ends is reduced, the potential difference shape at first resistor unit both ends is thus reduced
At the second high potential on-state voltage.
Specifically, the second resistance unit includes the second resistance that a second resistance or two or more are sequentially connected in series,
The switch is MOS transistor, and the source electrode of the MOS transistor is connected to the second end of the second resistance unit, and drain electrode connects
It is connected to the second node, grid connects the control signal.
Specifically, the driving device further includes source electrode driver, and the source electrode driver is set to the driving circuit
It is connect on plate and with the sequence controller, the sequence controller provides clock signal and to be shown to the source electrode driver
Picture signal.
The present invention also provides a kind of liquid crystal displays comprising liquid crystal display panel and LCD display as described above
The driving device of plate, the driving device provides driving signal to the liquid crystal display panel, so that the liquid crystal display panel
Show image.
The driving device and liquid crystal display of liquid crystal display panel provided in an embodiment of the present invention are carrying out picture quality
When requiring lower improper display state with screen intensity, the grid on-state voltage of thin film transistor (TFT) in display panel is reduced,
Power consumption is reduced guaranteeing that display can reach while display requires, improves the competitiveness of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid crystal display provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of level shifter provided in an embodiment of the present invention；
Fig. 3 is that the high potential in the embodiment of the present invention forms unit and current potential drags down unit structural representation interconnected
Figure.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
The embodiments of the present invention of attached drawing description are only exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention
Other details.
A kind of liquid crystal display is present embodiments provided, as shown in Figure 1, the liquid crystal display includes liquid crystal display panel
10 and liquid crystal display panel driving device, the liquid crystal display panel 10 include pixel array region 11 and peripheral driver area 12,
The driving device includes drive circuit board 20, sequence controller 30, level shifter 40 and source electrode driver 50.
Wherein, it is provided with multiple pixel units 111 in the pixel array region 11, is provided in the peripheral driver area 12
GOA driving unit 121.Further, criss-cross data line and grid line (figure are additionally provided in the pixel array region 11
In be not shown), the pixel unit 111 is connected to the source electrode driver 50 by data line, from the source electrode driver 50
Obtain data-signal；The pixel unit 111 is connected to the GOA driving unit 121 by grid line, drives from the GOA
Unit 121 obtains scanning signal.
Wherein, in the driving device, as shown in Figure 1, the sequence controller 30, level shifter 40 and source drive
Device 50 is integrally disposed on the drive circuit board 20, positioned at the source drive side of liquid crystal display panel 10.The timing control
Device 30 provides clock signal S to the level shifter 401, to the source electrode driver 50 provide clock signal S3With it is to be shown
Picture signal S4, the clock signal S1With clock signal S3It is low pressure clock signal, usually high level is 3V, low level
For 0V.The level shifter is by low pressure clock signal S1Be converted to high switching voltages signal S2Output drives single to the GOA
Member 121, the GOA driving unit 121 is according to the high switching voltages signal S2Generate corresponding scanning signal export to
The pixel unit 111.The source electrode driver 50 is according to the clock signal S received3With picture signal S to be shown4It generates
Data-signal is exported to the pixel unit 111.The pixel unit 111 shows corresponding figure according to data-signal is received
Picture.
Wherein, the low pressure clock signal S1Including initial signal (STV) and clock signal (CK), the high-voltage switch gear electricity
Press signal S2With the low pressure clock signal S1It corresponds, wherein the quantity of clock signal (CK) is usually multiple.Further
Ground, each high switching voltages signal S2Corresponding to each low pressure clock signal S1High level be formed as high potential ON state
Voltage (VGH, usually 28V), correspond to each low pressure clock signal S1Low level be formed as low potential standoff voltage (VGL,
Usually -6V).
In the present embodiment, refering to fig. 1 to Fig. 3, the level shifter 40 includes that high potential forms unit 41, low potential shape
Unit 43 is dragged down at unit 42 and current potential.The high potential forms unit 43 and is used to receive high electricity in the level shifter 40
Flat clock signal S1When, the high switching voltages signal S after conversion2Form the first high potential on-state voltage VGH1It exports to described
GOA driving unit 121.The low potential forms unit 42 and is used to receive low level timing letter in the level shifter 40
Number S1When, the high switching voltages signal S after conversion2Form low potential standoff voltage VGLIt exports to the GOA driving unit
121.The current potential drags down unit 43 according to control signal S0It is selectively connected to high potential and forms unit 41, being used for will be described
First high potential on-state voltage VGH1It is pulled low to the second high potential on-state voltage VGH2。
In the present embodiment, as shown in Figure 1, the control signal S0It is provided by the sequence controller 30.Specifically, described
Control signal S0With the display state relation of the liquid crystal display, the display state of the liquid crystal display includes normal display
State and improper display state, it is normal lower than described that the improper display state refers to that picture quality or screen intensity are required
The display state of display state, such as screen protection show state.Wherein, in the normal display state, the control signal S0
Control separated, the high potential formation output of unit 41 that the current potential drags down unit 43 with high potential formation unit 41
The first high potential on-state voltage VGH1；In the improper display state, the control signal S0The current potential is controlled to draw
Low unit 43 and the high potential, which are formed between unit 41, to be connected, and the high potential forms unit 41 and exports second high potential
On-state voltage VGH2。
The first high potential on-state voltage V in improper display state, when by normal conditionGH1It is reduced to the second high potential
On-state voltage VGH2To control the open state of the thin film transistor (TFT) in liquid crystal display panel 10, it is possible to will lead to the pixel
111 undercharge of unit, but require lower due to being shown in the state to picture, it can satisfy the demand of user.
And the grid on-state voltage by reducing improper display state, the power consumption of driving device is thus reduced, there is energy-efficient effect
Benefit improves the quality of product.In addition, user can select to exist according to the demand of itself by inputting other control instruction
Whether first high potential on-state voltage V is needed when improper display stateGH1It is pulled low to the second high potential on-state voltage VGH2。
More preferably in technical solution, the second high potential on-state voltage VGH2Size be the described first high electricity
Position on-state voltage VGH170% or more.
In the present embodiment, the first high potential on-state voltage VGH1For 28V, the low potential standoff voltage VGLFor -6V,
The second high potential on-state voltage VGH2It can be set to 20~24V.
In the present embodiment, as shown in figure 3, it includes by multiple first resistor R that the high potential, which forms unit 41,1It is sequentially connected in series
The first resistor unit 411 of formation, the potential difference at 411 both ends of first resistor unit form the first high potential ON state electricity
Press VGH1.It includes second resistance unit 431 and switch T that the current potential, which drags down unit 43, and the first of the second resistance unit 431
The first node A being connected in the first resistor unit 411 is held, second end connects the first end of the switch T, the switch
The control terminal that the second end of T is connected to second node B, the switch T in the first resistor unit 411 connects the control
Signal S0, include the more than one first resistor R between the first node A and the second node B1.In the switch
When T is connected to, the second resistance unit 431 is parallel on the first resistor unit 411, reduces the first resistor unit
The all-in resistance at 411 both ends, the potential difference for thus reducing by 411 both ends of first resistor unit form the second high potential ON state
Voltage VGH2。
Further, as shown in figure 3, the second resistance unit 431 includes a second resistance R2(in other implementation
It is also possible to include more than two second resistance R being sequentially connected in series in example2), the switch T is MOS transistor, and the MOS is brilliant
The source electrode of body pipe is connected to the second end of the second resistance unit 431, and drain electrode is connected to the second node B, grid connection
The control signal S0.Pass through the control signal S0The on state of the source electrode and drain electrode of the MOS transistor is controlled, is selected
Whether the second resistance unit 431 is connected in parallel to the first resistor unit 411.
In conclusion the driving device and liquid crystal display of liquid crystal display panel provided in an embodiment of the present invention, into
When row picture quality and screen intensity require lower improper display state, the grid of thin film transistor (TFT) in display panel is reduced
On-state voltage reduces power consumption guaranteeing that display can reach while display requires, improves the competitiveness of product.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (10)
1. a kind of driving device of liquid crystal display panel, the liquid crystal display panel includes GOA driving unit, the driving device
Including the sequence controller and level shifter being set on drive circuit board, the level shifter is by the sequence controller
The low pressure clock signal of offer is converted to high switching voltages signal and exports to the GOA driving unit, which is characterized in that described
Level shifter includes:
High potential forms unit, when for receiving the clock signal of high level in the level shifter, forms the first high electricity
Position on-state voltage is exported to the GOA driving unit；
Low potential forms unit, closes for when the level shifter receives low level clock signal, forming low potential
State voltage output is to the GOA driving unit；
Current potential drags down unit, is connected to the high potential according to control signal-selectivity and forms unit, is used for described first
High potential on-state voltage is pulled low to the second high potential on-state voltage.
2. the driving device of liquid crystal display panel according to claim 1, which is characterized in that the control signal with it is described
The display state relation of liquid crystal display, the display state of the liquid crystal display include that normal display state and screen intensity are wanted
Seek the improper display state lower than the normal display state；
In the normal display state, the control signal controls the current potential and drags down unit and high potential formation unit
It is separated, the high potential forms unit and exports the first high potential on-state voltage；
In the improper display state, the control signal control current potential drags down unit and the high potential forms list
It is connected between member, the high potential forms unit and exports the second high potential on-state voltage.
3. the driving device of liquid crystal display panel according to claim 2, which is characterized in that the improper display state
State is shown including screen protection.
4. the driving device of liquid crystal display panel according to claim 1, which is characterized in that the second high potential ON state
The size of voltage is 70% or more of the first high potential on-state voltage.
5. the driving device of liquid crystal display panel according to claim 4, which is characterized in that the first high potential ON state
Voltage is 28V, and the low potential standoff voltage is -6V, and the second high potential on-state voltage is 20~24V.
6. the driving device of -5 any liquid crystal display panels according to claim 1, which is characterized in that the low pressure timing
Signal includes initial signal and clock signal, and the high switching voltages signal and the low pressure clock signal correspond.
7. the driving device of liquid crystal display panel according to claim 6, which is characterized in that the high potential forms unit
Including being sequentially connected in series the first resistor unit formed by multiple first resistors, the potential difference at first resistor unit both ends is formed
The first high potential on-state voltage；
It includes second resistance unit and switch that the current potential, which drags down unit, and first one end of the second resistance unit is connected to institute
The first node in first resistor unit is stated, second end connects the first end of the switch, and the second end of the switch is connected to
Second node in the first resistor unit, the control terminal of the switch connect the control signal, the first node and
It include the more than one first resistor between the second node；
In switch connection, the second resistance unit is parallel on the first resistor unit, reduces described first
The all-in resistance at resistance unit both ends, the potential difference for thus reducing first resistor unit both ends form second high potential and open
State voltage.
8. the driving device of liquid crystal display panel according to claim 7, which is characterized in that the second resistance unit packet
A second resistance or more than two second resistances being sequentially connected in series are included, the switch is MOS transistor, the MOS transistor
Source electrode be connected to the second end of the second resistance unit, drain electrode is connected to the second node, and grid connects the control
Signal.
9. the driving device of liquid crystal display panel according to claim 1, which is characterized in that the driving device further includes
Source electrode driver, the source electrode driver is set on the drive circuit board and connect with the sequence controller, when described
Sequence controller provides clock signal and picture signal to be shown to the source electrode driver.
10. a kind of liquid crystal display, which is characterized in that the liquid including liquid crystal display panel and as described in claim 1-9 is any
The driving device of LCD panel, the driving device provides driving signal to the liquid crystal display panel, so that the liquid crystal
Display panel shows image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569873.9A CN109346026A (en) | 2018-12-21 | 2018-12-21 | The driving device and liquid crystal display of liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569873.9A CN109346026A (en) | 2018-12-21 | 2018-12-21 | The driving device and liquid crystal display of liquid crystal display panel |
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| CN109346026A true CN109346026A (en) | 2019-02-15 |
Family
ID=65304483
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125065A1 (en) * | 2002-12-31 | 2004-07-01 | Lg.Philips Lcd Co., Ltd. | Flat panel display device for small module application |
| US20060169909A1 (en) * | 2005-02-01 | 2006-08-03 | Seiko Epson Corporation | Level shift circuit, electro-optical device using the same, and electronic apparatus |
| TW200629197A (en) * | 2004-12-13 | 2006-08-16 | Samsung Electronics Co Ltd | Level shifter and display device including the same |
| US20070241952A1 (en) * | 2006-04-18 | 2007-10-18 | Samsung Electronics Co., Ltd. | Digital to analog converter having integrated level shifter and method for using same to drive display device |
| CN101357609A (en) * | 2007-08-01 | 2009-02-04 | 株式会社小糸制作所 | Lighting controlling device of vehicle lighting equipment |
| CN101546204A (en) * | 2008-03-25 | 2009-09-30 | 联咏科技股份有限公司 | Voltage generator with dynamic resistance feedback control |
| CN101707054A (en) * | 2009-12-02 | 2010-05-12 | 友达光电股份有限公司 | Liquid crystal display (LCD) device and driving method thereof |
| CN106847200A (en) * | 2015-11-24 | 2017-06-13 | 乐金显示有限公司 | Display device and its driving method |
| CN107546815A (en) * | 2017-10-17 | 2018-01-05 | 南京博兰得电子科技有限公司 | A kind of universal charger |
| CN108021174A (en) * | 2016-11-02 | 2018-05-11 | 艾普凌科有限公司 | Voltage-stablizer |
-
2018
- 2018-12-21 CN CN201811569873.9A patent/CN109346026A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125065A1 (en) * | 2002-12-31 | 2004-07-01 | Lg.Philips Lcd Co., Ltd. | Flat panel display device for small module application |
| TW200629197A (en) * | 2004-12-13 | 2006-08-16 | Samsung Electronics Co Ltd | Level shifter and display device including the same |
| US20060169909A1 (en) * | 2005-02-01 | 2006-08-03 | Seiko Epson Corporation | Level shift circuit, electro-optical device using the same, and electronic apparatus |
| US20070241952A1 (en) * | 2006-04-18 | 2007-10-18 | Samsung Electronics Co., Ltd. | Digital to analog converter having integrated level shifter and method for using same to drive display device |
| CN101357609A (en) * | 2007-08-01 | 2009-02-04 | 株式会社小糸制作所 | Lighting controlling device of vehicle lighting equipment |
| CN101546204A (en) * | 2008-03-25 | 2009-09-30 | 联咏科技股份有限公司 | Voltage generator with dynamic resistance feedback control |
| CN101707054A (en) * | 2009-12-02 | 2010-05-12 | 友达光电股份有限公司 | Liquid crystal display (LCD) device and driving method thereof |
| CN106847200A (en) * | 2015-11-24 | 2017-06-13 | 乐金显示有限公司 | Display device and its driving method |
| CN108021174A (en) * | 2016-11-02 | 2018-05-11 | 艾普凌科有限公司 | Voltage-stablizer |
| CN107546815A (en) * | 2017-10-17 | 2018-01-05 | 南京博兰得电子科技有限公司 | A kind of universal charger |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Application publication date: 20190215 |