CN104635368B - Touch-control display panel and use its touch control display apparatus - Google Patents
Touch-control display panel and use its touch control display apparatus Download PDFInfo
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- CN104635368B CN104635368B CN201510076038.1A CN201510076038A CN104635368B CN 104635368 B CN104635368 B CN 104635368B CN 201510076038 A CN201510076038 A CN 201510076038A CN 104635368 B CN104635368 B CN 104635368B
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- touch
- control display
- display panel
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—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
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The present invention proposes a kind of touch-control display panel, and it includes display base plate, touch-control sensing layer and upper Polarizer.Touch-control sensing layer is located at the top of display base plate, and touch-control sensing layer is used to sense position of touch.Upper Polarizer is located at the surface of the display base plate backwards of touch-control sensing layer, and upper Polarizer includes mist degree pressure-sensitive adhesive layer.The present invention also provides a kind of touch control display apparatus using above-mentioned touch-control display panel.The touch-control display panel of the present invention and the upper Polarizer of touch control display apparatus include mist degree pressure-sensitive adhesive layer, reduce caused interference fringe between touch-control sensing layer and display base plate, improve display quality, and are advantageous to the lightening design of product.
Description
Technical field
The present invention relates to technical field of touch-control display, more particularly to a kind of touch-control display panel and shown using its touch-control
Device.
Background technology
With growing, the digitization tools such as mobile phone, personal digital assistant, notebook computer court of science and technology
Convenient, multi-functional and direction attractive in appearance to develop, wherein display screen is man-machine communication interface indispensable in these equipment,
At present, the display screen of main flow mostly uses lcd technology.Meanwhile with information technology, radio mobile communication and information
The fast development of household electrical appliances and application, in order to reach more convenient, lighter and handier and more humane purpose, many information products by
The device such as traditional keyboard or mouse inputs, and switchs to use touch panel (Touch Panel) to be used as input unit, touch
Liquid crystal display device turns into main flow.
Touch control display apparatus is broadly divided into：Monolithic glass formula (one glass solution, OGS), glass cover-plate-conduction
Film-conductivity type thin film (glass-film-film, GFF), upper laminar (on cell) and nexine formula (in cell).Wherein,
GFF touch control display apparatus has two layers of touch layer, two layers of ITO conductive film layer, and manufacturing process is cumbersome, and translucency is poor, reflective
Greatly, but cost is cheap.OGS touch control display apparatus is that oxygen is directly formed on the protective glass (cover lens) of display device
Change indium tin (indium tin oxide, ITO) conducting film, to play dual parts of protective glass and touch sensible.in-cell
Touch control display apparatus is inside the pixel being made in touch-control sensing circuit on liquid crystal panel thin-film transistor array base-plate, and
On-cell touch control display apparatus is then top layer or the bottom that touch-control sensing circuit is made in color filter glass substrate,
That is touch-control sensing circuit is made between color filter glass substrate and polaroid or is made in colored filter
Between glass substrate and liquid crystal layer.Therefore, with respect to OGS touch-control display panels, the touch-control of in-cell and on-cell display devices
The induction line of display panel is safer because of the protection by base plate glass, and is more convenient for realizing the slim of touch control display apparatus
Change and lightweight.
According to the operation principle of touch-control sensing layer in touch control display apparatus, touch control display apparatus can be divided into resistance-type, electric capacity
Formula, infrared-type and surface acoustic wave type, optics etc. are a variety of, and wherein capacitive touch control display device is because its reaction speed is fast, spirit
The advantages that sensitivity is high, of good reliability and be widely used in various electronic products.
Fig. 1 is a kind of cross-sectional view of liquid crystal display device with touch controllable function of prior art.Fig. 1 institutes
Show, the display panel 100 with touch controllable function includes upper substrate 7, infrabasal plate 9 and the liquid between upper substrate 7 and infrabasal plate 9
Crystal layer 8.Specifically, the upper substrate 7 of liquid crystal display device 100 includes successively from top to bottom：Polaroid 1, touch-control sensing layer 2, on
Glass substrate 3, black matrix" 4, colored filter (color filter, CF) 5 and both alignment layers 6.Wherein, touch-control sensing layer 2 wraps
Metal film layer 22 and lightproof area 21 are included, and lightproof area 21 and metal film layer 22 are formed at top glass substrate 3 under
The surface of substrate 9.In addition, in order to not influence its light transmittance, the lightproof area 21 of touch-control sensing layer 2 is located at and metal film layer 22
Corresponding position, i.e. lightproof area 21 are located at the top of metal film layer 22.
But in On Cell technologies, when the light of backlight passes through display panel 100, due to touch-control sensing layer 2 not
Meeting between opaque patterns such as black matrix" 4 in transparent figure such as lightproof area 21 and upper substrate 7 and/or infrabasal plate 9
Light interference is produced, that is, produces light and shade striped, alternatively referred to as glare phenomenon, influences display quality.
Prior art is generally using the coating layer of surface processing coating on polaroid 1 or in touch-control sensing layer 2 under
The surface of substrate 9 and towards one layer of optical anti-reflective film is increased respectively on the surface of infrabasal plate 9, to reduce interference fringe.It is but existing
Technology need to additionally increase one or more layers film, the integral thickness increase of panel, be unfavorable for the lightening design of touch-control product.
Therefore, it is necessary to improved technical scheme is provided to overcome above technical problem present in prior art.
The content of the invention
The main technical problem to be solved in the present invention, which is to provide one kind, can reduce interference fringe, improve display quality, and have
Beneficial to the touch-control display panel of the lightening design of product.
The invention provides a kind of touch-control display panel, and it includes display base plate, touch-control sensing layer and upper Polarizer.It is described
Touch-control sensing layer is located at the top of the display base plate, and the touch-control sensing layer is used to sense position of touch.The upper Polarizer
Include mist degree pressure-sensitive adhesive layer backwards to the surface of the display base plate, the upper Polarizer positioned at the touch-control sensing layer.
Further, the upper Polarizer also includes PVOH film, and the PVOH film is located at the mist degree pressure-sensitive adhesive layer
Lower section.
Further, the upper Polarizer also includes the first pressure-sensitive adhesive layer, the first three cellulose acetate membrane, the two or three acetic acid
Cellulose membrane and diaphragm, first pressure-sensitive adhesive layer is between the touch-control sensing layer and the PVOH film, and described
One three cellulose acetate membrane is between first pressure-sensitive adhesive layer and the PVOH film, second three cellulose acetate membrane
Positioned at the top of the mist degree pressure-sensitive adhesive layer, the diaphragm is located at the top of second three cellulose acetate membrane.
Further, the upper Polarizer also includes the 3rd three cellulose acetate membrane, the 3rd three cellulose acetate membrane
Between the PVOH film and the mist degree pressure-sensitive adhesive layer.
Further, the touch-control sensing layer includes metal film layer and lightproof area.
Further, the display base plate includes：CF substrates, TFT substrate and layer of liquid crystal molecule, set on the CF substrates
There is black matrix", the layer of liquid crystal molecule is between the CF substrates and the TFT substrate.
Further, the touch-control display panel also includes lower Polarizer.
Further, the upper Polarizer and/or the lower Polarizer are wide viewing angle type Polarizer.
Further, between the thickness of the mist degree pressure-sensitive adhesive layer is 50 to 100 microns.
The present invention also provides a kind of touch control display apparatus, and the touch control display apparatus includes above-mentioned touch-control display panel.
The touch-control display panel of the present invention and the upper Polarizer of touch control display apparatus include mist degree pressure-sensitive adhesive layer, reduce tactile
Caused interference fringe between inductive layer and display base plate is controlled, improves display quality, and be advantageous to the lightening design of product.
By the detailed description below with reference to accompanying drawing, other side of the invention and feature become obvious.But it should know
Road, accompanying drawing be only explain purpose design, not as the restriction of the scope of the present invention because its should refer to it is attached
The claim added.It should also be noted that unless otherwise noted, it is not necessary to which scale accompanying drawing, they only try hard to conceptually
Illustrate structure and flow described herein.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of liquid crystal display device with touch controllable function of prior art.
Fig. 2 is the cross-sectional view of the touch-control display panel of first embodiment of the invention.
Fig. 3 is the cross-sectional view of the touch-control display panel of second embodiment of the invention.
Fig. 4 is the cross-sectional view of the touch-control display panel of third embodiment of the invention.
Fig. 5 is the effect diagram of the touch-control display panel of first embodiment of the invention.
Fig. 6 is the effect diagram of the touch-control display panel of second embodiment of the invention.
Fig. 7 is the effect contrast figure of existing touch control display apparatus and the touch control display apparatus of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Fig. 2 is the cross-sectional view of the touch-control display panel of first embodiment of the invention.As shown in Fig. 2 touch-control
Display panel includes display base plate 30, touch-control sensing layer 20 and upper Polarizer 10.
Display base plate 30 includes colorized optical filtering (color filter, CF) substrate 301, thin film transistor (TFT) (Thin Film
Transistor, TFT) 302 substrates and the layer of liquid crystal molecule 303 between CF substrates 301 and TFT substrate 302.Wherein, CF
Black matrix" (not shown) is provided with substrate 301.
Touch-control sensing layer 20 is located at the top of display base plate 30, and touch-control sensing layer 20 is used to sense position of touch.Touch-control sense
Layer 20 is answered to include metal film layer (not shown) and lightproof area (not shown).Wherein, lightproof area is used to cover
It is strong reflective caused by metal film layer.
Upper Polarizer 10 is located at the pressure-sensitive including mist degree backwards to the surface of display base plate, upper Polarizer 10 of touch-control sensing layer 20
Glue-line (pressure sensitive adhesives, PSA) 104.Filler particles in mist degree PSA 104 can make from backlight
The light that (not shown) projects scatters, so as to improve touch-control sensing layer 20 and interference bar caused by display base plate 30
Line, improve display quality.Wherein, the density of the filler particles in mist degree PSA 104 is bigger, and caused backscattering is bigger, mends
Repaid interference fringe it is bright it is dark between luminance difference, add the brightness homogeneity of touch-control display panel.Mist degree PSA104 thickness
Between 50 to 100 microns, light can be concentrated to a certain extent, avoid the significantly decline of contrast.In this hair
In a bright embodiment, between mist degree PSA 104 thickness is 50 to 100 microns.
In an embodiment of the present invention, upper Polarizer 10 also includes PVOH (poly vinyl alcohol, PVA) film
103, PVA film 103 is located at mist degree PSA 104 lower section.Because PVA film 103 is located at mist degree PSA 104 lower section, light is avoided
Line first passes through mist degree PSA 104 and destroys degree of polarization, is reduced so as to avoid effective polarized light intensity of the outgoing of PVA film 103, and then
Maintain higher contrast.Upper Polarizer 10 also includes the first PSA 101, the first Triafol T (triacetate
Cellulose film, TAC) film 102, the films of the 2nd TAC 105 and diaphragm 106.First PSA 101 is located at touch-control sensing layer 20
Between PVA film 103.The films of first TAC 102 are between the first PSA 101 and PVA film 103.The films of 2nd TAC 105 are located at mist
Spend the surface of PSA 104 display base plate backwards.Diaphragm 106 is located at the surface of the display base plate backwards of the films of the 2nd TAC 105.
Touch-control display panel also includes lower Polarizer 40, and lower Polarizer 40 is located at the upper Polarizer 10 backwards of display base plate 30
Surface.Lower Polarizer 40 includes two layers of PSA, two layers of TAC film between two layers of PSA and between the TAC film of both sides
PVA film 103.Certainly, the present invention is not limited thereto.
In an embodiment of the present invention, upper Polarizer 10 and/or lower Polarizer 40 are wide viewing angle type Polarizer.
Fig. 3 is the cross-sectional view of the touch-control display panel of second embodiment of the invention.Touch-control shown in Fig. 3 shows
Show that panel and the touch display panel structure shown in Fig. 2 are essentially identical, difference is only in that, mist degree PSA 104 is located at PVA
The lower section of film 103, as shown in figure 3, the orlop that mist degree PSA104 is located at upper Polarizer 10 be backlight project light at first
By mist degree PSA104 so that scattering light avoids the stop because of the films of the first TAC 102 and PVA film 103 caused by mist degree PSA 104
And weaken, so that scattering luminous energy caused by mist degree PSA 104 more directly contacts with interference luminous energy, so as to preferably reduce
Interference fringe.
Fig. 4 is the cross-sectional view of the touch-control display panel of third embodiment of the invention.Touch-control shown in Fig. 4 shows
Show that panel and the touch display panel structure shown in Fig. 2 are essentially identical, difference is only in that Polarizer 10 also includes the
Three TAC 107, the 3rd TAC 107 between PVA film 103 and mist degree PSA 104, with prevent PVA film 103 due to mist degree
The problem of PSA 104 is directly contacted and is caused thermal contraction excessive.
Fig. 5 is the effect diagram of the touch-control display panel of first embodiment of the invention.Fig. 6 is implemented for the present invention second
The effect diagram of the touch-control display panel of mode.As shown in figure 5, because PVA film 103 is located at mist degree PSA 104 lower section, because
This, avoids light and first passes through mist degree PSA 104 and destroy degree of polarization, so as to avoid effective polarised light of the outgoing of PVA film 103
It is strong to reduce, so as to maintain higher contrast.As shown in fig. 6, the orlop for being located at upper Polarizer 10 due to mist degree PSA 104 is
The light that backlight projects passes through mist degree PSA 104 at first, and therefore, scattering light is avoided because of the first TAC caused by mist degree PSA 104
The stop of 102 films and PVA film 103 and weaken so that scattering luminous energy caused by mist degree PSA 104 is more direct with interfering luminous energy
Contact, so as to preferably reducing interference fringe.Please also refer to Fig. 5 and Fig. 6, the touch-control display panel of first embodiment with
The touch-control display panel of second embodiment is compared, and effective polarized light intensity is higher, and contrast is more excellent.
The present invention also provides a kind of touch control display apparatus.Touch control display apparatus includes touch-control display panel and backlight.The back of the body
Light source is used to provide backlight to touch-control display panel.Touch-control display panel include display base plate 30, touch-control sensing layer 20 and it is upper partially
Tabula rasa 10.Touch-control sensing layer 20 is located at the top of display base plate 30, and touch-control sensing layer 20 is used to sense position of touch.Upper Polarizer
10 include mist degree pressure-sensitive adhesive layer positioned at touch-control sensing layer 20 backwards to the surface of display base plate 30, upper Polarizer 10.
Fig. 7 is the effect contrast figure of existing touch control display apparatus and the touch control display apparatus of the present invention.Such as Fig. 7 (a) institutes
Show, existing touch control display apparatus (a) is when the light of backlight passes through display panel, due to the opaque patterns of touch-control sensing layer
Such as light interference can be produced between such as black matrix" of the opaque patterns in lightproof area and upper substrate and/or infrabasal plate,
Light and shade striped 70, alternatively referred to as glare phenomenon are namely produced, has had a strong impact on display quality.And as shown in Fig. 7 (b), this hair
The upper Polarizer of bright touch control display apparatus includes mist degree PSA, so as to be scattered using mist degree PSA to light, so as to reduce
Due to the opaque patterns such as lightproof area and display base plate of touch-control sensing layer opaque patterns such as CF substrates it is black
Generation interference fringe between colour moment battle array, improves display quality, and is advantageous to the lightening design of product.
The touch-control display panel of the present invention and the upper Polarizer 10 of touch control display apparatus include mist degree PSA104, so as to utilize
Mist degree PSA104 is scattered to light, so as to reduce the opaque patterns such as lightproof area due to touch-control sensing layer 20 with
Generation interference fringe between the opaque patterns of the display base plate 30 such as black matrix" of CF substrates 301, improves display product
Matter, and be advantageous to the lightening design of product.
Specific case is applied herein to carry out the touch-control display panel of the present invention and the embodiment of touch control display apparatus
Illustrate, the explanation of embodiment of above is only intended to help to understand method and its core concept of the invention；Meanwhile for this
The those skilled in the art in field, according to the thought of the present invention, there will be changes in specific embodiments and applications,
To sum up, this specification content should not be construed as limiting the invention.
Claims (8)
1. a kind of touch-control display panel, it is characterised in that the touch-control display panel includes：
Display base plate, the display base plate include black matrix"；
Touch-control sensing layer, positioned at the top of the display base plate, the touch-control sensing layer is used to sense position of touch；And
Upper Polarizer, the upper Polarizer is located at the surface of the display base plate backwards of the touch-control sensing layer, described inclined
Tabula rasa includes mist degree pressure-sensitive adhesive layer；
Wherein, the touch-control sensing layer includes metal film layer and lightproof area；
Wherein, the upper Polarizer also includes PVOH film and the second three cellulose acetate membrane, and the PVOH film is positioned at described
The lower section of mist degree pressure-sensitive adhesive layer, second three cellulose acetate membrane are located at the top of the mist degree pressure-sensitive adhesive layer.
2. touch-control display panel as claimed in claim 1, it is characterised in that the upper Polarizer also includes：
First pressure-sensitive adhesive layer, first pressure-sensitive adhesive layer is between the touch-control sensing layer and the PVOH film；
First three cellulose acetate membrane, first three cellulose acetate membrane are located at first pressure-sensitive adhesive layer and the PVOH
Between film；
Diaphragm, the diaphragm are located at the top of second three cellulose acetate membrane.
3. touch-control display panel as claimed in claim 2, it is characterised in that the upper Polarizer also includes：
3rd three cellulose acetate membrane, the 3rd three cellulose acetate membrane are located at the PVOH film and the mist degree pressure sensitive adhesive
Between layer.
4. touch-control display panel as claimed in claim 1, it is characterised in that the display base plate includes：
CF substrates, black matrix" is provided with the CF substrates；
TFT substrate；And
Layer of liquid crystal molecule, between the CF substrates and the TFT substrate.
5. touch-control display panel as claimed in claim 4, it is characterised in that the touch-control display panel also includes lower polarisation
Plate.
6. touch-control display panel as claimed in claim 5, it is characterised in that the upper Polarizer and/or the lower Polarizer
For wide viewing angle type Polarizer.
7. touch-control display panel as claimed in claim 5, it is characterised in that the thickness of the mist degree pressure-sensitive adhesive layer be 50 to
Between 100 microns.
8. a kind of touch control display apparatus, it is characterised in that including the touch-control display panel described in claim 1 to 7 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510076038.1A CN104635368B (en) | 2015-02-12 | 2015-02-12 | Touch-control display panel and use its touch control display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076038.1A CN104635368B (en) | 2015-02-12 | 2015-02-12 | Touch-control display panel and use its touch control display apparatus |
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| CN104635368A CN104635368A (en) | 2015-05-20 |
| CN104635368B true CN104635368B (en) | 2018-02-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707527A (en) * | 2015-07-27 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Touch type stereoscopic display device and manufacturing method thereof |
| CN109189272B (en) * | 2018-09-28 | 2021-01-15 | 惠州市华星光电技术有限公司 | Touch display device and manufacturing method thereof |
| CN112068342A (en) * | 2020-08-27 | 2020-12-11 | 惠州市华星光电技术有限公司 | Display screen and electronic equipment |
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|---|---|---|---|---|
| CN103885635A (en) * | 2014-03-10 | 2014-06-25 | 京东方科技集团股份有限公司 | Touch display device and manufacturing method thereof |
| CN104166483A (en) * | 2014-08-27 | 2014-11-26 | 昆山龙腾光电有限公司 | Touch display device and manufacturing method thereof |
| CN104237994A (en) * | 2014-08-22 | 2014-12-24 | 京东方科技集团股份有限公司 | Polaroid and touch control module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6933991B2 (en) * | 1999-01-22 | 2005-08-23 | White Electronic Designs Corp. | Super bright low reflectance liquid crystal display |
| TW201409092A (en) * | 2012-08-17 | 2014-03-01 | Chunghwa Picture Tubes Ltd | Polarizing plates, touch liquid crystal panel and touch display |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885635A (en) * | 2014-03-10 | 2014-06-25 | 京东方科技集团股份有限公司 | Touch display device and manufacturing method thereof |
| CN104237994A (en) * | 2014-08-22 | 2014-12-24 | 京东方科技集团股份有限公司 | Polaroid and touch control module |
| CN104166483A (en) * | 2014-08-27 | 2014-11-26 | 昆山龙腾光电有限公司 | Touch display device and manufacturing method thereof |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |