CN202735635U - Color film substrate and embedded touch liquid crystal display panel with same - Google Patents
Color film substrate and embedded touch liquid crystal display panel with same Download PDFInfo
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- CN202735635U CN202735635U CN 201220397328 CN201220397328U CN202735635U CN 202735635 U CN202735635 U CN 202735635U CN 201220397328 CN201220397328 CN 201220397328 CN 201220397328 U CN201220397328 U CN 201220397328U CN 202735635 U CN202735635 U CN 202735635U
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Abstract
The utility model discloses a various membrane base plate and have embedded touch-control liquid crystal display panel of this various membrane base plate. The utility model discloses an embedded touch-control liquid crystal display panel's various membrane base plate, a serial communication port, include: a transparent substrate; the black matrix is formed under the transparent substrate in a net shape to limit a transparent area; the touch layer is positioned below the transparent area and the black matrix; and the color resistance layer is positioned below the touch layer and comprises a plurality of color resistance units corresponding to the transparent area. The utility model provides a various membrane base plate can prevent weakening of touch-control signal among the embedded touch-control liquid crystal display panel for the testing capability of whole device becomes strong.
Description
Technical field
The utility model relates to touch-control and shows the field, particularly relates to a kind of color membrane substrates and has the embedded touch display panels of this color membrane substrates.
Background technology
Since 1974 resistive touch screens that occur in the world the earliest, touch technology is through development by leaps and bounds, and industry has produced polytype products such as condenser type, resistance-type, infrared type and sound wave type at present.Wherein capacitive touch screen because have that registration sensitivity, touch feeling are good, the advantages such as long service life and support multi-point touch, become currently marketed main product.
Capacitive touch screen is divided into self-capacitance formula and mutual capacitance type.Because mutual capacitance type touch screen can realize multi-point touch, thereby mutual capacitance type touch screen becomes main flow on the capacitive touch screen market and the trend of future development.
What the mutual capacitance type touch screen overwhelming majority adopted at present is the structure of external hanging type, is about to touch panel and fits in the display panel outside.But the structure of this external hanging type increases thickness and the weight of whole display inevitably, causes the decline of transmittance, does not meet the requirement of the lightening development trend of display.
Therefore industry has proposed embedded (in-cell) formula mutual capacitance touch screen, is about to the mutual capacitance touch screen and is integrated in display panel inside, so just can reach transmittance height and the lightening double effects of product.And present best integration mode is no more than being integrated in the LCD intralamellar part with the mutual capacitance touch screen.
But there are many technical matterss in the embedded mutual capacitance touch screen that the mutual capacitance touch screen is integrated in the LCD intralamellar part, for example after touch screen is integrated in the color membrane substrates of display panels, owing to being subject to the impact of display panels internal components, the problem that touching signals can weaken.
The utility model content
In the solution prior art, when touch screen is integrated in the color membrane substrates of display panels, the problem that touching signals weakens, the utility model provides a kind of color membrane substrates of embedded touch display panels, comprising:
Transparency carrier;
Black matrix is net-shaped and is formed in described transparency carrier below to limit transparent region;
Touch control layer is positioned at described transparent region and described black matrix below;
The look resistance layer is positioned at described touch control layer below, and described look resistance layer comprises a plurality of look resistances unit corresponding to described transparent region;
Optionally, described touch control layer comprises:
A plurality of drive electrodes are along the first drive wire that axially connects into many mutually insulateds;
The induction electrode of a plurality of and described drive wire insulation;
With the insulation course of through hole, cover described induction electrode and described drive wire;
Many conducting bridges axially connect the line of induction that described induction electrode becomes many mutually insulateds, the isolated described conducting bridge of described insulation course and described drive wire by described through hole along second.
Optionally, described conducting bridge is at least one plain conductor or metal screen frame, and is blocked by described black matrix.
Optionally, described touch control layer also comprises a plurality of wire nettings that are arranged at described induction electrode and described drive electrode surface, each described wire netting is defined in the surface range of a described induction electrode or a described drive electrode, the netted of netted and described black matrix of described wire netting is complementary, so that described wire netting is blocked by described black matrix.
Optionally, described wire netting is between described induction electrode and described drive wire the two and described insulation course, and described conducting bridge is positioned at described black matrix below.
Optionally, described conducting bridge and described wire netting lay respectively at the both sides of described touch control layer, and described wire netting is arranged in described touch control layer near a side of described black matrix.
Optionally, described look resistance unit comprises three primary colors look resistance unit, and described look resistance unit is polygon, and its length of side is between 50 μ m ~ 150 μ m.
Optionally, form the live width of described plain conductor of described conducting bridge between 2 μ m ~ 5 μ m; Form the frame line width of described metal screen frame of described conducting bridge between 2 μ m ~ 5 μ m.
Optionally, the netting twine width of described wire netting is between 2 μ m ~ 5 μ m.
Optionally, described insulation course is the transparent insulation organic film.
Optionally, described look resistance layer below also includes flatness layer.
Optionally, described flatness layer also includes common electrode layer as common electrode layer or described flatness layer below.
Optionally, described common electrode layer below also has both alignment layers, and described both alignment layers below is distributed with spacer.
The invention also discloses a kind of embedded touch display panels, comprising:
Aforesaid color membrane substrates;
Array base palte;
Liquid crystal layer is packaged between described color membrane substrates and the described array base palte.
Optionally, described array base palte is plane conversion type liquid crystal array substrate.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of color membrane substrates of embedded touch display panels, by on the drive electrode and the induction electrode surface that are integrated on the described color membrane substrates described wire netting being set, so that the resistance of drive electrode and induction electrode itself reduces, prevented weakening of touching signals in the embedded touch display panels, so that the detectability grow of whole device.
The utility model discloses a kind of embedded touch display panels, this embedded touch display panels utilizes above-mentioned color membrane substrates, so that whole device both can be realized Presentation Function, can realize touch controllable function again, and touching signals keeps higher intensity in scanning process, so that the touch control detection ability of device is stronger.
Description of drawings
Fig. 1 is the model schematic diagram for mutual capacitance touch control detection principle;
Fig. 2 is the schematic diagram of the color membrane substrates of the utility model embodiment;
Fig. 3 is the schematic diagram of the touch control layer of the utility model embodiment.
Embodiment
Please refer to Fig. 1, Fig. 1 is the model schematic diagram of mutual capacitance touch control detection principle.Among Fig. 1, Gs represents the touch scanning signals generating means, and it has a resistance to earth Rg, and presses certain frequency emission scan signal.Rd represents the equivalent resistance of drive electrode, and Rs represents the equivalent resistance of induction electrode, also can form capacitive reactance between drive electrode and induction electrode, and the equivalent resistance of this capacitive reactance is Rds.Be formed with mutual capacitance Cm between drive electrode and induction electrode, the mutual capacitance type touch control screen namely is to utilize this mutual capacitance Cm to realize the touch control detection function.When the touch-control action occurs between drive electrode and the induction electrode when, can cause that mutual capacitance Cm changes, then form couple current I, after couple current I amplifies through comparison amplifier, export corresponding touching signals with Vout Voltage-output signal and arrive touch-control circuit processed, the touch-control control circuit judges whether to occur touch action according to the touching signals that receives.Also there is coupling capacitance (also claiming stray capacitance) Cd over the ground in drive electrode, and also there is coupling capacitance (also claiming stray capacitance) Cs over the ground in induction electrode.
The inventor finds, owing to touch screen will be integrated in the LCD intralamellar part, will be with the touch-control electrode fabrication in liquid crystal cell, and in case with the touch-control electrode fabrication in liquid crystal cell, will so that increase during interference ratio external hanging type capacitance plate that touching signals is subject to many, and when interference increase that touching signals is subject to, will cause behind the driving signal that passes into certain frequency, output signal can weaken, and namely touching signals weakens, thereby causes the touch-control sensitivity of whole device.
For this reason, the inventor proposes, and adopts the method for the resistance that reduces drive electrode and induction electrode itself to improve the intensity of touching signals, thereby prevents touching signals to be disturbed and decay to the situation of reduced levels.Because drive electrode and induction electrode are made of transparent metal oxide usually, that at present the most frequently used is indium tin oxide (ITO, Indium Tin Oxide).But the resistivity of ITO is larger, and the resistivity of ITO rete is generally 5 * 10
-4About, preferably can reach 5 * 10
-5Although, near the resistivity of metal,, for good conducting metal, the resistivity of ITO is still larger.The resistivity of best metallic conductor silver is 1.65 * 10
-8, the resistivity of copper is 1.75 * 10
-8, the resistivity of gold is 2.40 * 10
-8, the resistivity of aluminium is 2.83 * 10
-8, the resistivity of tungsten is 5.48 * 10
-8, the resistivity of iron is 9.78 * 10
-8So the inventor proposes, can be by set up the resistance that wire netting reduces electrode on the ITO electrode.And the making material of wire netting can be preferably above-mentioned each good conducting metal or their alloy.By on the ITO electrode, setting up the less wire netting of resistivity, can be so that the resistance of whole electrode itself reduce, thereby so that touching signals maintains higher intensity when electrode transmits, and then the touch-control sensitivity that improves contactor control device.
For this reason, the inventor proposes a kind of color membrane substrates of embedded touch display panels, includes transparency carrier and black matrix, and described black matrix is net-shaped and is formed in described transparency carrier below to limit transparent region.Be positioned at described black matrix below and be provided with touch control layer, be positioned at described touch control layer below coloured resistance layer is set, described look resistance layer comprises a plurality of look resistances unit corresponding to described transparent region.Wherein, described touch control layer comprises that a plurality of drive electrodes are along the first drive wire that axially connects into many mutually insulateds, the induction electrode of a plurality of and described drive wire insulation, insulation course with through hole, be positioned at described induction electrode and described drive wire surface, many conducting bridges axially connect the line of induction that described induction electrode becomes many mutually insulateds, the isolated described conducting bridge of described insulation course and described drive wire by described through hole along second.Described conducting bridge is at least one plain conductor or metal screen frame, and is blocked by described black matrix.Described touch control layer also comprises a plurality of wire nettings that are arranged at described induction electrode and described drive electrode surface, each described wire netting is defined in the surface range of a described induction electrode or a described drive electrode, the netted of netted and described black matrix of described wire netting is complementary, so that described wire netting is blocked by described black matrix.By being provided with described wire netting at drive electrode and induction electrode surface, so that the resistance of drive electrode and induction electrode itself reduces, in case the resistance of electrode itself reduces, just can improve the intensity of transmitting at electrode of touching signals in the embedded touch display panels, thereby so that the touch-control sensitivity of whole device improves the detectability grow.
Below in conjunction with accompanying drawing specific embodiment of the utility model is illustrated.
Please in conjunction with the schematic diagram of color membrane substrates that referring to figs. 2 and 3, Fig. 2 is the embedded touch display panels of the utility model embodiment, and Fig. 3 is the schematic diagram of the utility model embodiment touch control electrode layer.Wherein, after Fig. 2 can regard touch control layer among Fig. 3 as and cuts along A-A line direction, comprise the schematic cross-section of each layers such as touch control layer, look resistance layer and transparency carrier, and Fig. 3 can regard the schematic diagram of the touch control layer among Fig. 2 as.
As can be seen from Figure 2, the color membrane substrates of embedded touch display panels comprises transparency carrier 1 and the black matrix 2 that is positioned at transparency carrier 1 below in the present embodiment.Black matrix limits transparent region below transparency carrier 1.And below transparent region and black matrix 2, include the touch control layer (touch control layer also comprises the conducting bridge 422 that does not show in Fig. 2, please refer to Fig. 3) that is consisted of by touch control electrode layer 4 and insulation course 5.And coloured resistance layer is set below insulation course 5, the look resistance layer comprises a plurality of red, looks green and primary colors hinder unit 6, and look resistance unit 6 is the polygon corresponding with pixel electrode, generally look resistance unit 6 is for quadrilateral or clip the quadrilateral (being pentagon) at a little angle, the utility model preferably, described color membrane substrates is the color membrane substrates that applies to mobile phone liquid crystal screen, and each limit company commander of the pixel electrode in the mobile phone liquid crystal screen is generally between 50 μ m ~ 150 μ m, thereby the present embodiment is preferred, and each length of side of look resistance unit 6 is chosen between 50 μ m ~ 150 μ m.
In the present embodiment, as shown in Figure 2, wire netting 3 directly is arranged at below the black matrix 2, this mode helps black matrix 2 effectively to stop wire netting 3, but in embodiment of the present utility model, wire netting 3 can be arranged between touch control electrode layer 4 and the insulation course 5, and guarantee that wire netting 3 gets final product under being positioned at black matrix 2, like this, still can guarantee that wire netting 3 is positioned at touch control electrode layer 4 surfaces (being lower surface this moment), reduce the resistance of touch control electrode layer 4 itself, and this can guarantee that still black matrix 2 blocks wire netting 3 effectively, wire netting 3 is not exposed in the visible area of display panels, thereby does not affect the demonstration of display panels.
In the present embodiment, as shown in Figure 2, the touch control layer that is made of touch control electrode layer 4 and insulation course 5 is made between transparency carrier 1 and transparent region the two and the look resistance layer (the look resistance layer is comprised of a plurality of looks resistances unit 6), such mode can be so that the close transparency carrier 1 of touch control layer, also just near follow-up touch action, thereby can so that the signal of touch-sensing is stronger, be a kind of preferred version.
In the present embodiment, as shown in Figure 2, insulation course 5 is positioned at touch control electrode layer 4 belows, conducting bridge 422 is positioned at insulation course 5 belows, this mode can increase the touch-control sensitivity of whole device as mentioned above, it is a kind of preferred version, but in other embodiment of the present utility model, also can take insulation course 5 is made in above the touch control electrode layer 4, and conducting bridge 422 (please refer to Fig. 3) further is produced on above the insulation course 5, this mode can be implemented function of the present utility model equally, reaches the purpose of the resistance that reduces touch control electrode layer 4 itself.
By above-mentioned scanning as can be known, in embodiment of the present utility model, conducting bridge 422 can lay respectively at wire netting 3 both sides of described touch control layer, can certainly be positioned at the same side of described touch control layer.When conducting bridge 422 and wire netting 3 lay respectively at the both sides of described touch control layer, preferred, wire netting 3 is arranged at a side near black matrix 2, just as shown in Figure 2.
Please continue with reference to figure 2, preferably, also include flatness layer 7 in the present embodiment, increase each structure that flatness layer 7 can be protected color membrane substrates, prevent that foreign matter from polluting color membrane substrates.In the present embodiment, between black matrix 2 and touch control electrode layer 4, include wire netting 3, be formed at owing to wire netting 3 on the surface (being upper surface this moment) of touch control electrode layer 4, thereby wire netting 3 can reduce the resistance of touch control electrode layer.Simultaneously, as can be seen from Figure 2, wire netting 3 is arranged at the below of black matrix 2, deceived matrix 2 and block, thereby wire netting 3 does not affect the demonstration of liquid crystal panel.
Need to prove, among the utility model embodiment, be provided with flatness layer 7 below the look resistance layer, and the below of flatness layer 7 can also be provided with common electrode layer, perhaps flatness layer 7 itself just can be made and so that itself is just as common electrode layer of transparent electrode material.And, dress up between the liquid crystal panel in subsequent group at the described color membrane substrates that the utility model provides, can also form one deck both alignment layers in the surface below, and below both alignment layers, distribute again and form spacer.
Please refer to Fig. 3, the front is mentioned, and Fig. 3 is the schematic diagram of the touch control layer of the utility model embodiment.As can be seen from Figure 3, touch control electrode layer 4 (touch control electrode layer 4 shows in Fig. 2) includes a plurality of drive electrodes 41 and a plurality of induction electrode 42.Owing to existing etching line between these electrodes, thereby their mutually insulateds all.As can be seen from Figure 3, a plurality of induction electrodes 42 form many drive wires by the coupling part 411 between two adjacent driven electrodes 41, each drive wire extends along the same axis, thereby they are parallel to each other to each other, again owing to having etching line between each drive wire, thereby their mutually insulateds to each other.
Need to prove, for the ease of showing and explanation, omitted most structures of insulation course 5 among Fig. 3 and only shown that through hole 51 on the insulation course 5, the conducting bridge 422 that through hole 51 is used for Fig. 3 pass and connect adjacent two induction electrodes 42 after it and form many along the second axially extended line of induction.Therefrom also can find out, recited above first axial (bearing of trend of drive wire) is vertical with the second axial essence.Owing between conducting bridge 422 and drive wire, existing as shown in Figure 2 insulation course 5 (showing among Fig. 3), like this, also mutually insulated between each line of induction and each drive wire.
In the present embodiment, as shown in Figure 3, on the surface of each induction electrode 42 and each drive electrode 41 wire netting 3 is arranged.Wire netting 3 is formed at the surface of induction electrode 42 and drive electrode 41, and wire netting 3 adopts metal to make, and the resistivity of this metal material is very little, and after wire netting 3 is formed at drive electrode 41 and induction electrode 42, just form a different total of cutting apart from them, this just so that the resistance of drive electrode 41 and induction electrode 42 itself reduce, thereby, when touching signals of input scans each touch-control electrode, when touching signals transmits between each touch-control electrode, its intensity can remain on higher level and be unlikely to significantly to decay, thereby the detection sensitivity of whole contactor control device will correspondingly improve.
In the present embodiment, as shown in Figure 3, the circumscription at wire netting 3 places is short-circuited between adjacent two touch-control electrodes preventing in the surface range of each induction electrode 42 or drive electrode 41.Simultaneously, although do not show among Fig. 3, with reference to figure 2 as can be known, each metal line of wire netting 3 all corresponding be arranged at black matrix 2 under, like this, deceive matrix 2 and just can block wire netting 3.
It can also be seen that in Fig. 3, in the present embodiment, conducting bridge 422 is the metal screen frame of a rectangle frame, and the frame line of this metal screen frame and the netting twine of wire netting 3 are complementary, and therefrom can know, in the present embodiment, conducting bridge 422 also is positioned under the black matrix 2, and is blocked by black matrix 2.But in other embodiment of the present utility model, conducting bridge 422 also can be at least one metal wire, and same, and metal wire is arranged under the black matrix 2, and is blocked by black matrix 2.In addition, no matter conducting bridge 422 is to make by the metal screen frame or by metal wire, and its live width all is arranged between 2 μ m ~ 5 μ m.The live width of simultaneously, making the mesh wire of above-mentioned wire netting 3 also is arranged between 2 μ m ~ 5 μ m.This be thereby, the live width of black matrix 2 usually also between 2 μ m ~ 5 μ m, so, guarantee the live width that black matrix 2 can block above-mentioned each line, just require the width of above-mentioned each line all to be between 2 μ m ~ 5 μ m, and require each live width to be less than or equal to the live width of black matrix 2.
In the above embodiment of the utility model, insulation course 5 is made for transparent insulation material, and is preferred, can select to make with transparent organic insulation.
The invention also discloses a kind of embedded touch display panels that uses above-mentioned color membrane substrates, display panels provided by the utility model comprises and utilizes the above-described color membrane substrates of this instructions to cooperate with array base palte, and between color membrane substrates and array base palte, be packaged with liquid crystal, one deck liquid crystal layer between two substrates finally forms described embedded touch display panels.
For noting be used in the scheme that described common electrode layer is set on the above-mentioned color membrane substrates, the utility model embodiment is preferred, and the described array base palte that will cooperate with described color membrane substrates is chosen to be plane conversion type liquid crystal array substrate.Because such formation substrate does not need public electrode, and does not have the shielding action of common electrode layer, can be so that the above-mentioned color membrane substrates with touch controllable function that provides of the utility model reaches better touch control detection sensitivity.
Various piece adopts the mode of going forward one by one to describe in this instructions, and what each part stressed is and the difference of other parts that identical similar part is mutually referring to getting final product between the various piece.
Although the utility model with preferred embodiment openly as above; but it is not to limit the utility model; any those skilled in the art are not within breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (15)
1. the color membrane substrates of an embedded touch display panels is characterized in that, comprising:
Transparency carrier;
Black matrix is net-shaped and is formed in described transparency carrier below to limit transparent region;
Touch control layer is positioned at described transparent region and described black matrix below;
The look resistance layer is positioned at described touch control layer below, and described look resistance layer comprises a plurality of look resistances unit corresponding to described transparent region.
2. the color membrane substrates of embedded touch display panels as claimed in claim 1 is characterized in that, described touch control layer comprises:
A plurality of drive electrodes are along the first drive wire that axially connects into many mutually insulateds;
The induction electrode of a plurality of and described drive wire insulation;
With the insulation course of through hole, cover described induction electrode and described drive wire;
Many conducting bridges axially connect the line of induction that described induction electrode becomes many mutually insulateds, the isolated described conducting bridge of described insulation course and described drive wire by described through hole along second.
3. the color membrane substrates of embedded touch display panels as claimed in claim 2 is characterized in that, described conducting bridge is at least one plain conductor or metal screen frame, and is blocked by described black matrix.
4. the color membrane substrates of embedded touch display panels as claimed in claim 2, it is characterized in that, described touch control layer also comprises a plurality of wire nettings that are arranged at described induction electrode and described drive electrode surface, each described wire netting is defined in the surface range of a described induction electrode or a described drive electrode, the netted of netted and described black matrix of described wire netting is complementary, so that described wire netting is blocked by described black matrix.
5. the color membrane substrates of embedded touch display panels as claimed in claim 4 is characterized in that, described wire netting is between described induction electrode and described drive wire the two and described insulation course, and described conducting bridge is positioned at described black matrix below.
6. the color membrane substrates of embedded touch display panels as claimed in claim 4 is characterized in that, described conducting bridge and described wire netting lay respectively at the both sides of described touch control layer, and described wire netting is arranged in described touch control layer near a side of described black matrix.
7. the color membrane substrates of embedded touch display panels as claimed in claim 1 is characterized in that, described look resistance unit comprises three primary colors look resistance unit, and described look resistance unit is polygon, and its length of side is between 50 μ m ~ 150 μ m.
8. the color membrane substrates of embedded touch display panels as claimed in claim 3 is characterized in that, forms the live width of described plain conductor of described conducting bridge between 2 μ m ~ 5 μ m; Form the frame line width of described metal screen frame of described conducting bridge between 2 μ m ~ 5 μ m.
9. the color membrane substrates of embedded touch display panels as claimed in claim 4 is characterized in that, the netting twine width of described wire netting is between 2 μ m ~ 5 μ m.
10. the color membrane substrates of embedded touch display panels as claimed in claim 2 is characterized in that, described insulation course is the transparent insulation organic film.
11. the color membrane substrates of embedded touch display panels as claimed in claim 1 is characterized in that, described look resistance layer below also is provided with flatness layer.
12. the color membrane substrates of embedded touch display panels as claimed in claim 11 is characterized in that, described flatness layer also is provided with common electrode layer as common electrode layer or described flatness layer below.
13. the color membrane substrates of embedded touch display panels as claimed in claim 12 is characterized in that, described common electrode layer below also has both alignment layers, and described both alignment layers below is distributed with spacer.
14. an embedded touch display panels is characterized in that, comprising:
Such as the described color membrane substrates of claim 1 to 13 any one;
Array base palte;
Liquid crystal layer is packaged between described color membrane substrates and the described array base palte.
15. display panels as claimed in claim 14 is characterized in that, described array base palte is plane conversion type liquid crystal array substrate.
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| CN 201220397328 CN202735635U (en) | 2012-08-10 | 2012-08-10 | Color film substrate and embedded touch liquid crystal display panel with same |
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| CN 201220397328 CN202735635U (en) | 2012-08-10 | 2012-08-10 | Color film substrate and embedded touch liquid crystal display panel with same |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278955A (en) * | 2012-12-14 | 2013-09-04 | 上海天马微电子有限公司 | Touch control type liquid crystal display device |
| CN103425326A (en) * | 2013-03-30 | 2013-12-04 | 南昌欧菲光显示技术有限公司 | Optical filter module and touch display screen comprising same |
| CN103558942A (en) * | 2013-11-08 | 2014-02-05 | 京东方科技集团股份有限公司 | Touch screen and manufacturing method thereof |
| WO2014139226A1 (en) * | 2013-03-11 | 2014-09-18 | 北京京东方光电科技有限公司 | Touch display panel, manufacturing method thereof, and display device |
| CN104166269A (en) * | 2014-07-28 | 2014-11-26 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method of display substrate and display device |
| JP2015512112A (en) * | 2013-03-06 | 2015-04-23 | 南昌欧菲光科技有限公司Ｎａｎｃｈａｎｇ Ｏ−Ｆｉｌｍ Ｔｅｃｈ． Ｃｏ．， Ｌｔｄ． | Bridge structure in a conductive mesh and method for manufacturing the same |
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2012
- 2012-08-10 CN CN 201220397328 patent/CN202735635U/en not_active Expired - Lifetime
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