CN109683369A - A kind of capacitance touching control liquid crystal display panel and its display device - Google Patents
A kind of capacitance touching control liquid crystal display panel and its display device Download PDFInfo
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- CN109683369A CN109683369A CN201910034956.6A CN201910034956A CN109683369A CN 109683369 A CN109683369 A CN 109683369A CN 201910034956 A CN201910034956 A CN 201910034956A CN 109683369 A CN109683369 A CN 109683369A
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- liquid crystal
- crystal display
- display panel
- touching control
- capacitance touching
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of capacitance touching control liquid crystal display panel and its display devices.Wherein capacitance touching control liquid crystal display panel includes liquid crystal display panel and capacitance touching control sensing membrane.The mode that wherein the capacitance touching control liquid crystal display panel is cut by laser from top to bottom runs through the capacitance touching control sensing membrane until the liquid crystal display panel carries out the design of open gap in non-routing region, the projected area that capacitance touching control sensing membrane after making setting notch corresponds to the liquid crystal display panel is less than the area of the liquid crystal display panel, to which the corner for the liquid crystal display panel being arranged thereon is locally exposed, Position Design is carried out using the liquid crystal display panel edge of the glass material locally exposed, meet the packaging and Position Design of capacitance touching control sensing membrane and liquid crystal display panel, final reduction production reduces cost.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of capacitance touching control liquid crystal display panel and its display device.
Background technique
Liquid crystal is a kind of particular matter between a solid and a liquid, it is a kind of organic compound, is in liquid under normality
State, but its molecules align is but fairly regular as solid crystal, therefore is named liquid crystal.Another special nature of liquid crystal
It is, when not applying electric field, light can be penetrated smoothly；In the case where applying an electric field to liquid crystal, it can be changed
Molecules align, at this moment if giving its matching polarized light piece, it just has the function of that light is prevented to pass through, if cooperating colored filter again
Mating plate, change add to liquid crystal voltage size, can change a certain color light transmission capacity number, can also figuratively change liquid crystal
The voltage at both ends can change its light transmittance.
The working principle of liquid crystal display (full name in English: Liquid Crystal Display, abbreviation LCD) is by liquid crystal
It is placed between two panels electro-conductive glass, by the driving of two electric field between electrodes, causes the field effect of twisted liquid crystal molecules nematic, with
Lit transmissive or shielding function are controlled, light and shade variation is generated between power supply pass is opened, so that image be shown.If in addition color
Colo(u)r filter can then show chromatic image.On two panels glass substrate be equipped with alignment film, so liquid crystal can orientation along groove,
Since glass substrate alignment film groove deviates 90 degree, so liquid crystal molecule becomes twist mode, when electric field is not added in glass substrate
When, light follows liquid crystal to do 90 degree of torsions through polarizer, and by lower section polarizer, liquid crystal display panel is displayed in white；When glass base
When electric field is added in plate, liquid crystal molecule generates assortment variation, and light maintains former direction by liquid crystal molecule gap, by lower section polarizer
Masking, light, which is absorbed, to appear, and liquid crystal display panel shows black.Liquid crystal display is that whether there is or not make panel according to this voltage
Reach display effect.
In daily life, we often touch various types of touch screens, from the mobile phone at personal consumption end, flat
Plate, to the computer of life and work, then television set and commercial display screen of various application scenarios for arriving household etc..It is general
Touching screen includes two parts: touch detecting apparatus and touch controller.Touch detecting apparatus is mounted in indicator screen
Front is transmitted to touch screen controller for detecting user touch location, and information is received；Touch screen controller it is main
Effect is touch information to be received from touch point detection device, and be converted into contact coordinate, then send CPU to, it is simultaneously
The order that CPU is sent can be received and executed.Current touch-control all-in-one machine is all infrared type, such as guiding aircraft and books
Reader etc., and the mainstream product of electromagnetic touch screen is electronic reader, the mainstream product of capacitance touch screen is then intelligence
Mobile phone.
Infrared touch screen is the touch for detecting and positioning user using the infrared ray matrix to gather in X, Y-direction.It is infrared
Touch screen installs a circuit board outline border before display, and circuit board is arranged on four side of screen and infrared transmitting tube and infrared connect
Closed tube corresponds the infrared ray matrix for being formed and being intersected anyhow.Due to price reasons, the touch technology of current main-stream is infrared skill
Art, but touch experience is poor.
The basic principle of electromagnetical type touch screen is the changes of magnetic field generated in operation by time writer and inductor
Differentiated, time writer is signal transmitting terminal (transceiver), and antenna plate is signal reception end (receiver), when connecing
Magnetic flux changes when near-induction, then by operation definition location point.Electromagnetical type touch screen higher cost, light transmittance and parsing
Degree is high, possesses Z axis sensing capability, is quick on the draw, without touching can touch-control, be adapted to draw and handwriting identification etc..
Capacitive touch screen higher cost, electric current that principle generates when being using Sheng Te and screen contact position, institute
Can be operated with finger, but inorganic matter, as nail, pen can not all operate.Double glass of capacitance touch screen not only can
Conductor and inductor are enough protected, even if more filthy, dust can be speckled in screen or grease stain, capacitive touch screen still can be accurately
Calculate touch location.
Therefore, capacitance touching control is embodied at present with the touch-control of its relative sensitive, is used and is received by more and more users.
But the capacitance touching control screen of current large scale frame uses the touch sensing of diaphragm type, since sensor is set in periphery needs
Signal lead is counted, since existing processing procedure limits, outer dimension is bigger than liquid crystal display panel, this is just to touch screen and liquid crystal display panel
Packaging and mechanism design new demand.Therefore need to seek the novel capacitance touching control liquid crystal display panel of one kind to solve above-mentioned ask
Topic.
Summary of the invention
It is an object of the present invention to provide a kind of capacitance touching control liquid crystal display panel and its display devices, are able to solve
The problem of existing packaging of current capacitance touching control liquid crystal display panel and difficult design.
To solve the above-mentioned problems, an embodiment of the invention provides a kind of capacitance touching control liquid crystal display panel,
Including: liquid crystal display panel and capacitance touching control sensing membrane.Wherein the capacitance touching control sensing membrane is set on the liquid crystal display panel,
The capacitance touching control sensing membrane includes PET base, conductive layer and the protective layer set gradually.Wherein the conductive layer is set to
In the PET base, the protective layer is set on the conductive layer.On the conductive layer include cabling area and non-cabling area,
The cabling area is equipped with horizontal signal lines and vertical signal wire, and the non-cabling area of the capacitance touching control sensing membrane is from top to bottom run through
The capacitance touching control sensing membrane is until the liquid crystal display panel is equipped at least one notch.
Further, wherein the capacitance touching control sensing membrane after the setting notch corresponds to the perspective plane of the liquid crystal display panel
Product is less than the area of the liquid crystal display panel.
Further, wherein the angle shape between the notch and two contact surfaces of the capacitance touching control sensing membrane is
Right angle.
Further, wherein the angle shape between the notch and two contact surfaces of the capacitance touching control sensing membrane is
Chamfering.
Further, wherein the angle shape between the notch and two contact surfaces of the capacitance touching control sensing membrane is
Fillet.
Further, wherein the notch include 2 or more quantity, the notch be uniformly distributed be set to it is described it is non-walk
Line area.
Further, wherein the notch includes four, four notches, which respectively correspond, is set to the capacitance touching control
At the corner location of sensing membrane.
Further, wherein the mode that the notch is cut by laser is prepared.
Further, wherein the capacitance touching control sensing membrane is fixed on the liquid crystal display panel by optical cement.
Another embodiment of the invention provides a kind of capacitance touching control liquid crystal display device, including institute of the present invention
The capacitance touching control liquid crystal display panel and backlight module stated, the capacitance touching control liquid crystal display panel are set to the backlight mould
In group.
The invention has the advantages that the present invention relates to a kind of capacitance touching control liquid crystal display panel and its display devices.Wherein institute
State mode that capacitance touching control liquid crystal display panel is cut by laser the non-routing region of its capacitance touching control sensing membrane by up to
Down through the capacitance touching control sensing membrane until the design of liquid crystal display panel progress open gap, makes that the capacitive touch after notch is arranged
Area of the projected area less than the liquid crystal display panel that sensing membrane corresponds to the liquid crystal display panel is controlled, thus the liquid that will be arranged thereon
The corner of crystal panel is locally exposed, and carries out Position Design using the liquid crystal display panel edge of the glass material locally exposed, full
The packaging and Position Design of sufficient capacitance touching control sensing membrane and liquid crystal display panel, final reduction production reduce cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of capacitance touching control liquid crystal display panel of the present invention.
Fig. 2 is the top view of capacitance touching control liquid crystal display panel embodiment 1 of the present invention.
Fig. 3 is the top view of capacitance touching control liquid crystal display panel embodiment 2 of the present invention.
Fig. 4 is the top view of capacitance touching control liquid crystal display panel embodiment 3 of the present invention.
Fig. 5 is the structural schematic diagram of capacitance touching control liquid crystal display device of the present invention.
Component mark is as follows in figure:
1000, capacitance touching control liquid crystal display panel 2000, backlight module
100, liquid crystal display panel 200, capacitance touching control sensing membrane
300, optical cement
101, down polaroid 102, TFT substrate
103, liquid crystal layer 104, color membrane substrates
105, upper polaroid 201, PET base
202, conductive layer 203, protective layer
Specific embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described in detail, with complete to those of skill in the art
It is whole to introduce technology contents of the invention, prove that the present invention can be implemented with citing, so that technology contents disclosed by the invention are more
It is clear, so that will more readily understand how implement the present invention by those skilled in the art.However the present invention can pass through many differences
The embodiment of form emerges from, and protection scope of the present invention is not limited only to the embodiment mentioned in text, Examples below
The range that is not intended to limit the invention of explanation.
The direction term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", "
Side " etc. is only the direction in attached drawing, and direction term used herein is of the invention for explanation and illustration, rather than is used
To limit the scope of protection of the present invention.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.In addition, in order to facilitate understanding and description, the size and thickness of each component shown in the drawings are any
It shows, the present invention does not limit the size and thickness of each component.
When certain components, when being described as " " another component "upper", the component can be placed directly within described another group
On part；There may also be an intermediate module, the component is placed on the intermediate module, and the intermediate module is placed in another group
On part.When a component is described as " installation is extremely " or " being connected to " another component, the two can be understood as direct " installation "
Or " connection " or a component pass through an intermediate module " installation is extremely " or " being connected to " another component.
Embodiment 1
As shown in Figure 1, capacitance touching control liquid crystal display panel 1000 of the invention, including liquid crystal display panel 100 and capacitor
Touch-control sensing membrane 200.Wherein the capacitance touching control sensing membrane 200 is connected on the liquid crystal display panel 100 by optical cement 300.
Wherein the liquid crystal display panel 100 includes the down polaroid 101 set gradually, TFT substrate 102, liquid crystal layer 103, coloured silk
Ilm substrate 104 and upper polaroid 105.
Wherein the basic structure of the down polaroid 101 includes: most intermediate PVA (polyvinyl alcohol), two layers of TAC (three vinegar
Acid cellulose), PSA film (pressure sensitive adhesive), Release film (release film) and Protective film (protective film).Wherein
PVA film is a kind of high molecular polymer, with all kinds of there is dichroic organic dyestuff to be dyed, while in certain humidity
Extended under the conditions of temperature, so that it is absorbed dichroic dye and form polarization property, form polaroid after dehydration, drying
Former film；Since PVA film has hydrophily, will soon deform, shrink in damp and hot environment, relaxing, decline and intensity very
Low, matter is crisp fragile, be not easy to it is practical and processing, it is therefore desirable on film both sides all compound upper one layer of intensity height, light transmittance it is high and
The TAC film of wet-heat resisting thus forms polaroid raw sheet.The effect of polaroid is that natural light is made to become linearly polarized light.
The wherein effect of the TFT substrate 102 (full name in English: thin film transistor, thin film transistor (TFT)) is
For the device of each pixel of active control, it is equivalent to devise a field effect transistor switch on each pixel in this way
Pipe, multiple TFT constitute TFT base 102.
Wherein color membrane substrates 104 (full name in English: Color filter, the abbreviation CF) basic structure is by glass substrate
(Glass Substrate), black matrix" (Black Matrix), color layer (Color Layer), protective layer (Over
Coat), ITO conductive film forms.Color membrane substrates 104 are a kind of optical filters of apparent color, it can accurately select to be intended to lead to
The small range wave band light wave crossed, and reflect away other be not intended to by wave band.
Wherein the basic structure of the upper polaroid 105 is consistent with the basic structure of down polaroid 101.To realize liquid crystal film
It can show image, upper polaroid 105 and down polaroid 101 is needed to exist jointly.
Wherein the optical cement 300 is the special adhesive for the optical element in cementing transparent liquid crystal display panel.
Wherein the capacitance touching control sensing membrane 200 includes PET base 201, conductive layer 202 and the protective layer set gradually
203.Wherein the conductive layer 202 is set in the PET base 201, and the protective layer 203 is set to the conductive layer 202
On, wherein between the PET base 201 and the conductive layer 202 and between the conductive layer 202 and the protective layer 203
Connected by optical cement 300.Wherein the constituent of the capacitance touching control sensing membrane 200 includes tin indium oxide and/or nanometer
Silver, thus manufactured capacitance touching control sensing membrane 200 has certain flexibility.
As shown in Fig. 2, including cabling area and non-cabling area on conductive layer 202, the cabling area is equipped with horizontal signal lines
2021 and vertical signal wire 2022, the non-cabling area of the capacitance touching control sensing membrane 200 from top to bottom run through the capacitance touching control
For sensing membrane 200 until the liquid crystal display panel 100 is equipped at least one notch 2023, the notch 2023 may include 2 quantity,
Two notches 2023 can be diagonally arranged, and also can be set in the side of the touch-control sensing membrane 200；The notch 2023 may be used also
To include 3 quantity, three notches 2023 can be arranged with isosceles, specifically can with the need depending on, and be not limited.The present embodiment is preferred
The non-cabling area set there are four notch 2023；The notch 2023 is respectively arranged at the capacitance touching control sensing membrane 200
On four angles；The projected area that capacitance touching control sensing membrane after the setting notch corresponds to the liquid crystal display panel is less than the liquid
The area of crystal panel.The notch 2023 in the present embodiment and between two contact surfaces of the capacitance touching control sensing membrane 200
Angle shape be right angle.Wherein the quantity of notch is determined according to the actual conditions in non-cabling area.Wherein the notch 2023 is logical
The mode for crossing laser cutting is prepared.Due to touch-control sensing membrane 200 be it is soft, can not carry out Position Design, but liquid crystal
Panel 100 has certain hardness, and thus the part of the liquid crystal display panel 100 is exposed the present invention, utilizes local exposing
The liquid crystal display panel frontside edge of glass material carry out Position Design, meet capacitance touching control sensing membrane 200 and liquid crystal display panel 100
Packaging and Position Design, final reduction production reduce cost.
Embodiment 2
Only the different place between the present embodiment and embodiment 1 is illustrated below, and its something in common is then herein not
It repeats again.
As shown in figure 3, two contact surfaces of the notch 2023 and the capacitance touching control sensing membrane 200 in the present embodiment
Between angle shape be chamfering.The mode that wherein notch 2023 is cut by laser is prepared.Since touch-control senses
Film 200 be it is soft, Position Design can not be carried out, but liquid crystal display panel 100 has certain hardness, thus the present invention will be described
The part of liquid crystal display panel 100 is exposed, and carries out positioning using the liquid crystal display panel frontside edge of the glass material locally exposed and sets
Meter, meets the packaging and Position Design of capacitance touching control sensing membrane 200 and liquid crystal display panel 100, and final reduction production reduces cost.
Embodiment 3
Only the different place between the present embodiment and embodiment 1 is illustrated below, and its something in common is then herein not
It repeats again.
As shown in figure 4, two contact surfaces of the notch 2023 and the capacitance touching control sensing membrane 200 in the present embodiment
Between angle shape be fillet.The mode that wherein notch 2023 is cut by laser is prepared.Since touch-control senses
Film 200 be it is soft, Position Design can not be carried out, but liquid crystal display panel 100 has certain hardness, thus the present invention will be described
The part of liquid crystal display panel 100 is exposed, and carries out positioning using the liquid crystal display panel frontside edge of the glass material locally exposed and sets
Meter, meets the packaging and Position Design of capacitance touching control sensing membrane 200 and liquid crystal display panel 100, and final reduction production reduces cost.
Embodiment 4
As shown in figure 5, a kind of capacitance touching control liquid crystal display device is present embodiments provided, including right institute of the present invention
The capacitance touching control liquid crystal display panel 1000 stated further includes backlight module 2000, the capacitance touching control liquid crystal display panel 1000
It is set on the backlight module 2000.Specifically, wherein backlight module can be direct-light-type backlight, it is also possible to side entering type
Backlight.
Capacitance touching control liquid crystal display panel provided by the present invention and its display device are described in detail above.It answers
Understand, illustrative embodiments as described herein should be to be considered only as it is descriptive, be used to help to understand method of the invention and
Its core concept, and be not intended to restrict the invention.It is usual to the description of features or aspect in each illustrative embodiments
The similar features or aspects that should be considered suitable for other exemplary embodiments.Although reference example embodiment describes this
Invention, but can suggest that those skilled in the art carries out various change and change.The invention is intended to cover appended claims
These variations and change in the range of book, any modification done within the spirit and principles of the present invention, equivalent replacement
With improve etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of capacitance touching control liquid crystal display panel characterized by comprising
Liquid crystal display panel；
Capacitance touching control sensing membrane, the capacitance touching control sensing membrane are set on the liquid crystal display panel；
The capacitance touching control sensing membrane includes:
PET base,
Conductive layer, the conductive layer are set in the PET base, include cabling area and non-cabling area, institute on the conductive layer
Cabling area is stated equipped with horizontal signal lines and vertical signal wire；
The capacitance touching control sensing membrane is from top to bottom run through in the non-cabling area of the capacitance touching control sensing membrane until the liquid crystal surface
Plate is equipped at least one notch；
Protective layer, the protective layer are set on the conductive layer.
2. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the capacitor after the setting notch
The projected area that touch-control sensing membrane corresponds to the liquid crystal display panel is less than the area of the liquid crystal display panel.
3. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the notch and the capacitive touch
Controlling the angle shape between two contact surfaces of sensing membrane is right angle.
4. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the notch and the capacitive touch
Controlling the angle shape between two contact surfaces of sensing membrane is chamfering.
5. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the notch and the capacitive touch
Controlling the angle shape between two contact surfaces of sensing membrane is fillet.
6. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the notch include 2 or with
Upper quantity, the notch, which is uniformly distributed, is set to the non-cabling area.
7. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the notch includes four, institute
It states four notches and respectively corresponds and be set at the corner location of the capacitance touching control sensing membrane.
8. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the notch is cut by laser
Mode be prepared.
9. capacitance touching control liquid crystal display panel according to claim 1, which is characterized in that the capacitance touching control sensing membrane is logical
Optical cement is crossed to be fixed on the liquid crystal display panel.
10. a kind of capacitance touching control liquid crystal display device characterized by comprising
Capacitance touching control liquid crystal display panel is capacitance touching control liquid crystal display panel described in claim 1-9；Backlight module,
The capacitance touching control liquid crystal display panel is set on the backlight module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034956.6A CN109683369A (en) | 2019-01-15 | 2019-01-15 | A kind of capacitance touching control liquid crystal display panel and its display device |
| PCT/CN2019/088736 WO2020147241A1 (en) | 2019-01-15 | 2019-05-28 | Capacitive touch control liquid crystal display panel and display apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034956.6A CN109683369A (en) | 2019-01-15 | 2019-01-15 | A kind of capacitance touching control liquid crystal display panel and its display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109683369A true CN109683369A (en) | 2019-04-26 |
Family
ID=66193245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034956.6A Pending CN109683369A (en) | 2019-01-15 | 2019-01-15 | A kind of capacitance touching control liquid crystal display panel and its display device |
Country Status (2)
| Country | Link |
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| CN (1) | CN109683369A (en) |
| WO (1) | WO2020147241A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147241A1 (en) * | 2019-01-15 | 2020-07-23 | 惠州市华星光电技术有限公司 | Capacitive touch control liquid crystal display panel and display apparatus thereof |
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| WO2020147241A1 (en) | 2020-07-23 |
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Application publication date: 20190426 |