CN109343731A - Touch control display and its touch control detecting method - Google Patents
Touch control display and its touch control detecting method Download PDFInfo
- Publication number
- CN109343731A CN109343731A CN201811017740.0A CN201811017740A CN109343731A CN 109343731 A CN109343731 A CN 109343731A CN 201811017740 A CN201811017740 A CN 201811017740A CN 109343731 A CN109343731 A CN 109343731A
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- 238000000034 method Methods 0.000 title claims description 17
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 239000000523 sample Substances 0.000 claims abstract description 38
- 238000004364 calculation method Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 10
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
A kind of touch control display, including display panel and touch screen.Touch screen includes capacitive detection circuit；Signal generator is set to the periphery of the display panel, and connects capacitive detection circuit.Signal generator is continuously sent out over the reference signal including a reference capacitance value；And an at least capacitance variations pick-up probe, set on the periphery of display panel, and connect capacitive detection circuit.An at least capacitance variations pick-up probe is used to receive the reference signal that the signal generator issues, and when being touched according to touch screen, detection signal is generated via the capacitance variations of the capacitive detection circuit, the detection signal includes the resistor current function waveform for changing the touch location of capacitance and corresponding touch screen.Touch chip connection signal generator and at least a capacitance variations pick-up probe, for being positioned according to the resistor current function waveform by the touch that touch chip algorithm analytical calculation provides touch screen.
Description
[technical field]
The present invention relates to field of display technology, more particularly to a kind of touch control display and its touch control method.
[background technique]
Touch screen possesses sensitive interface, can save the plenty of time, working efficiency is improved, so current touch screen
Have application to the every aspect of people's life, mobile phone, tablet computer, notebook computer, display, TV etc..
Touch technology has many modes, such as resistance-type (matching test and electronic type), infrared-type, optical induction type, sound
Waves, electronic type, embedded (in-cell or on-cell), condenser type etc..Since capacitive touch screen has high transparency, warp
The advantages that durable long and touch experience effect is good, so most of product mostly uses capacitance touching control technology currently on the market.
Touch-control identification method is divided into single-point touch and multipoint-touch-technology.Single-point touch, as its name suggests, if there are two simultaneously
Above point is touched, and cannot make correct response, but to have that cheap, operation is fairly simple etc. excellent for single-point touch
Point, it is possible to it is autonomous to the halls such as hospital, library, bank, museum and public transport to produce single-point touch display application
The fields such as enquiry machine or even domestic TV.However, traditional single-point touch control panel has, sensitivity is bad, power consumption is big, is fabricated to
This high disadvantage.
[summary of the invention]
The purpose of the present invention is to provide a kind of touch control displays, construct with simple single-point touch, can be extensive
Ground application, and can avoid the situation of touch-control erroneous judgement, realize accurate touch positioning.
To reach foregoing purpose, touch control display of the invention includes:
Display panel；
Touch screen is set on the display panel, and the touch screen includes capacitive detection circuit；One signal generator, if
In the periphery of the display panel, and the capacitive detection circuit is connected, the signal generator is continuously sent out over including a base
The reference signal of pseudo-capacitance value；An at least capacitance variations pick-up probe, set on the periphery of the display panel, and described in connection
Capacitive detection circuit, an at least capacitance variations pick-up probe are used to receive the benchmark letter that the signal generator issues
Number, and when being touched according to the touch screen, detection signal is generated via the capacitance variations of the capacitive detection circuit, it is described
Detecting signal includes the resistor current function waveform for changing the touch location of capacitance and the corresponding touch screen；And
Touch chip, connects the signal generator and at least a capacitance variations pick-up probe, and the touch chip is used
According to the resistor current function waveform by touch chip algorithm analytical calculation provide the touch screen touch position.
In a preferred embodiment, the touch control display includes that three capacitance variations receive detection, is respectively arranged on
Three corners of the display panel, the signal generator are set to another corner of the display panel.
In another preferred embodiment, each capacitance variations pick-up probe and the touch location of the touch screen
Apart from respectively different, the received resistor current function waveform of institute is respectively different.
In another preferred embodiment, the touch control display further includes the casing for supporting the display panel, the letter
Number generator and an at least capacitance variations pick-up probe are between the display panel and the casing.
In another preferred embodiment, the capacitive detection circuit of the touch screen includes transverse electrode array and longitudinal electrode
Array, the transverse electrode array and the longitudinal electrode array are mutually perpendicular in extending direction.
In another preferred embodiment, the touch screen is that indium tin oxide is made, and the signal generator and described
At least a capacitance variations pick-up probe is connected to the capacitive detection circuit by anisotropic conductive film.
In another preferred embodiment, the touch chip is used to judge the electricity of the detection signal and the reference signal
The difference of capacitance, and the difference is more than a preset range of the reference capacitance value, the touch chip is according to the resistance
Current function waveform is positioned by the touch that touch chip algorithm analytical calculation provides the touch screen.
The present invention additionally provides a kind of touch control detecting method of touch control display, the touch control display includes display panel
And it is formed in the touch screen on the display panel, which is characterized in that the touch control detecting method includes:
Capacitive detection circuit is formed in the touch screen；
One touch chip is provided；
In one signal generator of periphery setting of the display panel, the signal generator connects the capacitance detecting electricity
Road and the touch chip, and it is continuously sent out over the reference signal including a reference capacitance value；
In a periphery setting at least capacitance variations pick-up probe for the display panel, the capacitance detecting electricity is connected
Road and the touch chip, an at least capacitance variations pick-up probe are used to receive the benchmark that the signal generator issues
Signal；
It is described when at least a capacitance variations pick-up probe is touched according to the touch screen, via the capacitance detecting electricity
The capacitance variations on road and generate detection signal, the detection signal includes the touch for changing capacitance and the corresponding touch screen
The resistor current function waveform of position；And
The touch chip provides institute by touch chip algorithm analytical calculation according to the resistor current function waveform
State the touch positioning of touch screen.
In a preferred embodiment, the capacitance variations are respectively set in three corners of the display panel periphery to receive
Detection, and another corner of the display panel is provided with the signal generator, wherein each capacitance variations receive
Detector is respectively different at a distance from the touch location of the touch screen, and the received resistor current function waveform of institute is respectively different.
In a preferred embodiment, the touch chip is used to judge the capacitor of the detection signal and the reference signal
The difference of value, and the difference is more than a preset range of the reference capacitance value, the touch chip is according to the resistance electricity
Stream function waveform is positioned by the touch that touch chip algorithm analytical calculation provides the touch screen.
Touch control display of the invention utilizes the capacitance variations pick-up probe of the different location, receives the electricity of touch screen
The different resistor current function waveforms for holding variation, by the judgement of the touch chip change capacitance and reference capacitance value
Difference when being more than the preset range of reference capacitance value, by the touch chip analytical calculation realize it is accurate touch it is fixed
Position, can effectively solve that conventional touch screen power consumption is big, be easy to cause erroneous judgement, and the disadvantage that sensitivity is bad.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the touch control display of an embodiment of the present invention.
Fig. 2 is the partial cutaway schematic of the touch control display of an embodiment of the present invention.
Fig. 3 is the functional schematic of the touch control display of an embodiment of the present invention.
Fig. 4 is the block flow diagram of touch control display touch control method of the present invention.
[specific embodiment]
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " side "
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.
The present invention is a kind of touch control display and touch control display touch control method, is capable of providing simple single-point touch knot
Structure realizes that accurate touch positions according to the capacitance variations of touch screen.Touch control display of the invention include display panel and
The touch screen being superimposed upon on institute's art display panel, the display panel can be liquid crystal display panel of thin film transistor or organic hair
Light diode display panel etc. can be applied to such as hospital, library, bank or museum and provide the occasion of query function.
Fig. 1 is the structural schematic diagram of the touch control display of an embodiment of the present invention.Touch control display 1 of the invention includes
Display panel 2 and the touch screen 3 on the display panel 2.The touch screen 3 uses indium tin oxide (indium tin
Oxide, ITO) it is sputtered on the display panel 2, and it is formed with capacitive detection circuit 30.The capacitive touch of touch screen 3 of the present invention
Control technology is the touch technology that capacitance variations are generated when connecing touch screen 3 using finger or stylus (not shown), may include certainly
Capacitance touching control technology and mutual capacitance touch technology.The capacitive detection circuit 30 includes transverse electrode array 301 and longitudinal electrode
Array 302, the transverse electrode array 301 and the longitudinal electrode array 302 are mutually perpendicular in extending direction.
Continue referring to Fig. 1, the display panel 2 and touch screen 3 of this case all have corresponding rectangular configuration.It illustrates
It is that touch control display 1 of the invention includes that a touch chip 31, a signal generator 32 and three capacitance variations receive detection
Device 33, and the touch chip 31 connects the signal generator 32 and three capacitance variations pick-up probes 33.It utilizes
The signal generator 32, the capacitance variations pick-up probe 33 and the touch chip 31 cooperation and reach Accurate touch
The effect of positioning.Specifically, a corner of the periphery of the display panel 2 is equipped with the signal generator 32, and it is described
The other three corner of the periphery of display panel 2 is respectively equipped with the capacitance variations pick-up probe 33.It illustrates, this
Invention can also be provided only with single a capacitance variations pick-up probe, cooperate the touch chip of high operational capability that really touching equally can be achieved
Touch positioning.
Fig. 2 is the partial cutaway schematic of the touch control display of an embodiment of the present invention.In this preferred embodiment, institute
Signal generator 32 and three capacitance variations pick-up probes 33 are stated by the inclusion of the anisotropic conductive adhesive paste for having conducting particles
Film (anisotropic conductive film, ACF) 4 is connected to the capacitive detection circuit 30 of the touch screen 3, makes mutually
Between electrode conduction.The signal generator 32 simultaneously connects the capacitive detection circuit 30 and the touch chip 31, is used for
It is continuously sent out over the reference signal including a reference capacitance value.Each capacitance variations pick-up probe 33 connects the capacitor
Detection circuit 30 and the touch chip 31, the reference signal issued for receiving the signal generator 32, and according to described
When touch screen 3 is touched, detection signal is generated via the capacitance variations of the capacitive detection circuit 30.The detection signal packet
Resistor current function waveform containing the touch location for changing capacitance and the corresponding touch screen 3.
Continue referring to Fig. 1, the touch control display 1 further includes the casing 5 for supporting the display panel 2.The signal hair
Raw device 32 and three capacitance variations pick-up probes 33 utilize group between the display panel 2 and the casing 5
It fills complete machine and is covered by the frame of the casing 5.
Fig. 3 is the functional schematic of the touch control display of an embodiment of the present invention.Touch screen 3 of the present invention is in use, institute
It states signal generator 32 and is continuously sent out over reference signal, and three capacitance variations pick-up probes 33 synchronize and receive the letter
The reference signal that number generator 32 issues.When the touch screen 3 is by finger or Pointer contacts touch screen 3, the capacitor inspection
The capacitance variations of slowdown monitoring circuit 30, and three capacitance variations pick-up probes 33 are respectively received the corresponding touch screen 3
The resistor current function waveform (RC function waveform) of touch location.Due to each capacitance variations pick-up probe 33 with it is described
The distance of the touch location of touch screen 3 is respectively different, therefore the received resistor current function waveform of institute is respectively different.At this point, institute
The difference that touch chip 31 judges the capacitance of the detection signal and the reference signal is stated, and when the difference is more than described
One preset range of reference capacitance value, the touch chip 31 pass through touch-control core according to three kinds of resistor current function waveforms
Piece algorithm analytical calculation and can accurately provide the touch screen 3 touch positioning.
As previously mentioned, the difference of the capacitance of the detection signal and the reference signal must be over the reference capacitance
One preset range of value, the touch chip 31 can just be calculated according to three kinds of resistor current function waveforms by touch chip
The touch of touch screen 3 described in method analytical calculation positions.Also the capacitance variations of the even described touch screen 3 are due to touchless or surface
There are dust, water droplet and cause, but capacitance variations are not out the preset range of the reference capacitance value, then touch chip 31 is not
It will do it touch chip algorithm analytical calculation.Therefore, touch screen 3 touch positioning will not judge by accident single-touch be multiple point touching and
Cause identification mistake.
Touch control display 1 of the invention receives touch screen 3 using the capacitance variations pick-up probe 33 of the different location
Capacitance variations different RC function waveforms, by the judgement of the touch chip 31 change capacitance and reference capacitance value
Difference when being more than the preset range of reference capacitance value, by 31 analytical calculation of touch chip realize it is accurate touch it is fixed
Position.Since touch screen 3 of the present invention is by the setting of the signal generator and capacitance variations pick-up probe, it is complicated to be not required to configuration
Circuit structure, can effectively solve that conventional touch screen power consumption is big, be easy to cause erroneous judgement, and the disadvantage that sensitivity is bad.
The present invention additionally provides a kind of touch control detecting methods for the touch control display 1.Fig. 4 is aobvious for touch-control of the present invention
Show the block flow diagram of device touch control method.The touch control detecting method of touch control display of the invention, comprising:
Step S 1: capacitive detection circuit is formed in the touch screen；
Step S2: a touch chip is provided.
Step S3: in one signal generator of periphery setting of the display panel, the signal generator connects the touching
Chip is controlled, and is continuously sent out over the reference signal including a reference capacitance value.
Step S4: in a periphery setting at least capacitance variations pick-up probe for the display panel, the electricity is connected
Hold detection circuit and the touch chip, an at least capacitance variations pick-up probe is for receiving the signal generator hair
Reference signal out；
Step S5: it is described when at least a capacitance variations pick-up probe is touched according to the touch screen, via the electricity
Hold the capacitance variations of detection circuit and generate detection signal, the detection signal includes to change capacitance and the corresponding touch-control
The resistor current function waveform of the touch location of screen.
Step S6: the touch chip passes through touch chip algorithm analytical calculation according to the resistor current function waveform
The touch positioning of the touch screen is provided.
In a specific embodiment, the capacitance variations are respectively set in three corners of the display panel periphery and receive
Detection, and another corner of the display panel is provided with the signal generator, wherein each capacitance variations receive
Detector is respectively different at a distance from the touch location of the touch screen, and the received resistor current function waveform of institute is respectively different.
In a specific embodiment, the touch chip is used to judge the capacitor of the detection signal and the reference signal
The difference of value, and the difference is more than a preset range of the reference capacitance value, the touch chip is according to the resistance electricity
Stream function waveform is positioned by the touch that touch chip algorithm analytical calculation provides the touch screen.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of touch control display, which is characterized in that the touch control display includes:
Display panel；
Touch screen is set on the display panel, and the touch screen includes capacitive detection circuit；
One signal generator set on the periphery of the display panel, and connects the capacitive detection circuit, the signal generator
It is continuously sent out over the reference signal including a reference capacitance value；
An at least capacitance variations pick-up probe set on the periphery of the display panel, and connects the capacitive detection circuit, institute
The reference signal that an at least capacitance variations pick-up probe is issued for receiving the signal generator is stated, and according to the touch-control
When screen is touched, detection signal is generated via the capacitance variations of the capacitive detection circuit, the detection signal includes to change
The resistor current function waveform of the touch location of capacitance and the corresponding touch screen；And
Touch chip, connects the signal generator and at least a capacitance variations pick-up probe, the touch chip be used for according to
It is positioned according to the resistor current function waveform by the touch that touch chip algorithm analytical calculation provides the touch screen.
2. touch control display as claimed in claim 1, which is characterized in that the touch control display includes that three capacitance variations connect
Detection is received, three corners of the display panel are respectively arranged on, the signal generator is set to another of the display panel
Corner.
3. touch control display as claimed in claim 2, which is characterized in that each capacitance variations pick-up probe and the touch-control
The distance of the touch location of screen is respectively different, and the received resistor current function waveform of institute is respectively different.
4. touch control display as claimed in claim 1, which is characterized in that the touch control display further includes supporting the display panel
Casing, the signal generator and an at least capacitance variations pick-up probe are located at the display panel and the casing
Between.
5. touch control display as claimed in claim 1, which is characterized in that the capacitive detection circuit of the touch screen includes transverse electrode
Array and longitudinal electrode array, the transverse electrode array and the longitudinal electrode array are mutually perpendicular in extending direction.
6. touch control display as claimed in claim 1, which is characterized in that the touch screen is made for indium tin oxide, and the letter
Number generator and an at least capacitance variations pick-up probe are connected to the capacitance detecting electricity by anisotropic conductive film
Road.
7. touch control display as claimed in claim 1, which is characterized in that the touch chip is for judging the detection signal and institute
The difference of the capacitance of reference signal is stated, and the difference is more than a preset range of the reference capacitance value, the touch-control core
Piece is positioned according to the resistor current function waveform by the touch that touch chip algorithm analytical calculation provides the touch screen.
8. a kind of touch control detecting method of touch control display, the touch control display includes display panel and is formed in the display
Touch screen on panel, which is characterized in that the touch control detecting method includes:
Capacitive detection circuit is formed in the touch screen；
One touch chip is provided；
In one signal generator of periphery setting of the display panel, the signal generator connect the capacitive detection circuit and
The touch chip, and it is continuously sent out over the reference signal including a reference capacitance value；
In a periphery setting at least capacitance variations pick-up probe for the display panel, connect the capacitive detection circuit and
The touch chip, an at least capacitance variations pick-up probe are used to receive the benchmark letter that the signal generator issues
Number；
It is described when at least a capacitance variations pick-up probe is touched according to the touch screen, via the capacitive detection circuit
Capacitance variations and generate detection signal, the detection signal includes the touch location for changing capacitance and the corresponding touch screen
Resistor current function waveform；And
The touch-control core provides the touch-control by touch chip algorithm analytical calculation according to the resistor current function waveform
The touch of screen positions.
9. touch control detecting method as claimed in claim 8, which is characterized in that set respectively in three corners of the display panel periphery
It sets the capacitance variations and receives detection, and another corner of the display panel is provided with the signal generator, wherein often
The one capacitance variations pick-up probe is respectively different at a distance from the touch location of the touch screen, the received resistor current of institute
Function waveform is respectively different.
10. touch control detecting method as claimed in claim 8, which is characterized in that the touch chip is for judging the detection signal
With the difference of the capacitance of the reference signal, and the difference be more than the reference capacitance value a preset range, the touching
It controls chip and provides the touch of the touch screen by touch chip algorithm analytical calculation according to the resistor current function waveform
Positioning.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017740.0A CN109343731B (en) | 2018-09-03 | 2018-09-03 | Touch display and touch detection method thereof |
| PCT/CN2018/124277 WO2020048060A1 (en) | 2018-09-03 | 2018-12-27 | Touch display and touch detection method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017740.0A CN109343731B (en) | 2018-09-03 | 2018-09-03 | Touch display and touch detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109343731A true CN109343731A (en) | 2019-02-15 |
| CN109343731B CN109343731B (en) | 2020-07-10 |
Family
ID=65292079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811017740.0A Active CN109343731B (en) | 2018-09-03 | 2018-09-03 | Touch display and touch detection method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109343731B (en) |
| WO (1) | WO2020048060A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115343876A (en) * | 2022-08-26 | 2022-11-15 | 惠科股份有限公司 | Display panel alignment method, display panel alignment system and display panel |
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| CN103853398A (en) * | 2012-12-06 | 2014-06-11 | 联想(北京)有限公司 | Method of detecting input information of touch screen and electronic equipment |
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| JP2007183809A (en) * | 2006-01-06 | 2007-07-19 | Sony Corp | Stylus input device and stylus input method |
| TWI485606B (en) * | 2012-10-02 | 2015-05-21 | Au Optronics Corp | Touch apparatus and touch sensing method thereof |
| CN103279247B (en) * | 2013-06-06 | 2016-08-10 | 敦泰科技有限公司 | A kind of capacitive touch screen |
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- 2018-12-27 WO PCT/CN2018/124277 patent/WO2020048060A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339313A (en) * | 2007-07-03 | 2009-01-07 | 株式会社日立显示器 | Display device with touch panel |
| CN102473044A (en) * | 2009-06-29 | 2012-05-23 | 尖端芯片株式会社 | Capacitance type touch panel |
| CN103713787A (en) * | 2012-10-04 | 2014-04-09 | 株式会社和冠 | Signal processing circuit, signal processing method, position detecting device, and electronic apparatus |
| CN103853398A (en) * | 2012-12-06 | 2014-06-11 | 联想(北京)有限公司 | Method of detecting input information of touch screen and electronic equipment |
| CN105431804A (en) * | 2013-08-05 | 2016-03-23 | 索尼公司 | Sensor, input device, and electronic apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115343876A (en) * | 2022-08-26 | 2022-11-15 | 惠科股份有限公司 | Display panel alignment method, display panel alignment system and display panel |
| CN115343876B (en) * | 2022-08-26 | 2023-08-25 | 惠科股份有限公司 | Alignment method of display panel, alignment system of display panel and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109343731B (en) | 2020-07-10 |
| WO2020048060A1 (en) | 2020-03-12 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |