18.5 inch 5 wire resistive touch screen

About 18.5 inch 5 wire resistive touch screen

18.5 inch 5 wire resistive touch panel, accept customization

This is 5 wire resistive touch screen,widely used in below fields

Smart home, intercom systems

Outdoor equipments

Industrial monitors

Education and transportation

POS payment system

Banking and medical equipment

Measures and apparatus

Parameters:

Size available	5.6,7,8,8.4,9.7,10.1,10.4,10.7,11.6,12.1,14,15,15.6,17,17.3,18.5,19,21.5,22 inch 5 wire resistive touch screencustomize
Performance
Resoslution(Interpolation)	4096*4096
Linearity Error	<2.5%
Response Speed	<10ms
Mechanical
Input Method	Finger or stylus
Life Span	More than 10 million touches
Pressure	10-100g
Surface Hardness	3H
Optical
Light Transmission	>78%
Structure
2 layers	Film+ITO glass
3 layers	PET+Film+ITO glass(cusomize)
4 layers	PET+Film+ITO glass+PC/PMMA/GLASS (customize)
Environmental
Operating Temperature	-10 50C
Storage Temperature	-20 60C
Operating Humidity	0%90%
Storage Humidity	0% to 95%
Electrical
Voltage	Typical 3-7V
Current	5mA25mA
Interface	Full Duplex USB 2.0 (Full Speed) Plug and play compatible
	Serial RS-232. Baud Rate: 9600, 8 Data Bits, 1 Stop Bit, No Parity
Isolation Resistance	>20M
Resistance	300< X Axis <900, 200< Y Axis <800 (Varies with different size)
Agency Approvals	CE, Rohs
Operation System	Linux/ Dos / Windows /Mac/QNX
Standard controller	EETI 5 wire/4 wire USB/RS232 controller kits(include board and calbes)
Special requirements	High-Transmittance Glass,light touch, Strengthened Glass,optional

Available 5 wire resistive touch screen models:( if havent found suitable one, please contact with us.)

Size(inch)	Part no.	Outline Dimension	View Area	Active Area
5.6	TS056A5B001-A	127.48X102.96	116.68X93.56	113.28X84.96
7	TS070A5K002-A	166.5X104	154.6X93.64	152.4X91.44
8	TS080A5B003-A	182.6X140.8	168X127.2	164.8X123
8.4	TS084A5B002-A	187.00X147.00	175.50X133.00	171.88X129.16
9.7	TS097A5B001	213.71X167.06	201.71X157.06	196.61X147.46
10.1	TS101A5K001-A	229.06X148.7	219.76X138.40	216.96X135.6
10.4	TS104A5B001-A	229X173.50	217X163.5	212.00X158.5
10.7	TS107A5B001-A	249.00X186.50	223.70X174.09	216.70X164.50
10.7	TS107A5BP002-AA1	249.00X186.50	216.70X164.50	216.70X164.50
11.6	TS116A5K001-AA1	268.00X158.6	258.00X148.00	256.00X144.0
12.1	TS121A5B006-A	266.0X203.0	191.6X254.2	186.0X248.0
12.1	TS121A5B014-A	261.8X199.8	250.05X189.3	246.8X185.5
14	TS140A5B001	321.0X250.0	289.8X218.8	285.8X214.8
15	TS150A5B009-A	322.0X245.5	309.5X233.5	303.5X227.5
15	TS150A5B009-B	322.0X245.5	309.5X233.5	303.5X227.5
15.4	TS154A5K004	361.8X227.6	336.1X214.2	331.8X207.6
15.6	TS156A5K005-A	359.3X209.5	345.56X194.99	344.16X193.59
15.6	TS156A5K007-A	363.8X215.9	346.83X196.14	344.83X194.14
17	TS170A5B001-A	355.0X288.0	341.5X277.0	337.0X269.00
17	TS170A5B005-A	356X286.5	343.0X275.5	337.0X269.5
17.3	TS173A5K001-A	401.0X234.0	386.0X219.0	383.0X216.0
18.5	TS185A5K002-A	429.37X253.6	418.8X237	409.79X230.4
19	TS190A5B003-A	396.0X323.0	381.0X310.6	375.0X300.0
19	TS190A5B005-A	393.4X316.65	380.9X305.65	377.3X302.05
19	TS190A5K005-A	426.6X272.10	414.2X261.1	411.2X257.3
21.5	TS215A5K001-A	494.0X290.0	481.84X273.31	475.5X267.3
22	TS220A5KP002-AA1	488.0X310.0	475.0X298.0	471.0X294.0

How does the 5 wire resistive touch screen work?

The electrodes of a five-wire resistive touchscreen cannot be led out from four sides with conductive bars like those in a four-wire resistive touchscreen, as this would cause a short circuit. Instead, the electrodes are dispersed into numerous resistive patterns distributed around the periphery of the touchscreen and then led out from the four corners. The function of these patterns is to linearize the voltage gradient in the X and Y directions of the touchscreen, facilitating coordinate measurement.Working Principle:The controller applies a positive voltage to the upper layer, while the four lower leads are effectively grounded. When a finger touches the screen (TP), the upper layer is pressed into contact with the lower layer, allowing current to flow from the upper layer to the lower layer at the touch point. The current then exits through the four lower leads. The controller measures the four current values and uses a corresponding function to calculate the precise touch position through computation.

Sturcture

ITO FILM

Classification by Surface Treatment

a. Glossy Anti-Scratch Surface Low haze, providing better visual clarity. More challenging manufacturing process. Lower durability against scratches.

b. Glossy Anti-Newton Ring Surface Includes an anti-Newton ring layer. Reduces manufacturing difficulty.

c. Matte Anti-Glare Surface Features an anti-glare layer. Optimized for outdoor use with improved visibility.

Classification by Sheet Resistance

a. Low Resistance Primarily used indigital resistive touchscreens. Lower loop resistance, resulting inhigher sensitivity.

b. High Resistance Mainly used inanalog resistive touchscreens. Lighter etching traces, offeringbetter visual appearance.

Classification by ITO Film Substrate

a. Single-Layer Film Uses asingle-layer PET substrate,lower cost.

b. Double-Layer Film Uses adual-layer composite PET substrate,higher cost. Softer and more durable, used inhigh-end products.

ITO GLASS

Classification by Strength

a. Chemically Strengthened Glass Treated with chemical tempering to increase surface compressive stress. Enhances overall strength but at a higher cost.

b. Standard Glass Conventional glass without special strengthening treatment

Classification by Transmittance

a. High-Transmittance Glass (AR-Coated) Features anti-reflective (AR) coating, improving light transmission by 3% over standard glass.

b. Standard Glass No additional optical enhancement.

Classification by Thickness

Standard Thicknesses:0.7mm / 1.1mm / 1.8mm

Special Thicknesses:0.55mm / 2.8mm

Classification by Resistance

a. High Resistance (400) Used inanalog resistive touchscreens.

b. Low Resistance Primarily fordigital resistive touchscreens.

FPC

a. Core Materials of FPC: Base Material, Copper Foil, Stiffener, Coverlay

b. Common FPC Structures for Touchscreens

Touchscreens typically use either: Single-layer FPC/Double-layer FPC

c. FPC Material Specifications Base Material

Adhesive-based: Contains adhesive layer between copper and PI (polyimide).

Adhesive-less: Eliminates adhesive layer, consisting only of copper foil and PI (Thinner profile, Superior dimensional stability, Enhanced heat resistance, flex endurance, and chemical resistance, Now widely adopted in industry)

Copper Foil

Rolled Copper:Better flex endurance;Not suitable for ultra-thin boards or fine circuitry;Commonly used in resistive touch screens

Electrodeposited Copper: Preferred for capacitive touch screens

Stiffener Materials:

Type	Characteristics	Application
PI	Lowcost,pronetodeformation	Resistivetouchscreens
FR4	Balancedcost/performance	Mid-rangeapplications
Steel	Highperformance,expensive	Capacitivetouchscreens

PET COVER LENS

Thickness

Thickness	Characteristics	Application
0.125mm	Lightertouchforce,poorerflatness	Nicheapplicationsrequiringsensitivetouch
0.188mm	Balancedtouchforceandflatness	StandardforRTP(ResistiveTouchPanels)
0.25mm	Highertouchforce,excellentflatness	Applicationsrequiringdurability

Surface treatment

Type	Characteristics	KeyParameters	Usage
GlossyAnti-Scratch	Scratch-resistantcoating	Hightransmittance Lowhaze	Mostcommon(indoordevices)
MatteAnti-Glare(AG)	Diffusesurfacetreatment	Reducedreflectivity Higherhaze	Outdoor/sunlight-readableproducts
GlossyAnti-NewtonRing	Multi-layeropticalconstruction	EliminatesNewtonRing	Limiteduse(3-layer"framedpanels)

Carrier Plate

Material

Material	Characteristics
PC(Polycarbonate)	Impact-resistant,butlowersurfacehardness(max2H),cost-effective
PMMA(Acrylic)	Impact-resistant,highersurfacehardness(upto3H),pronetowarping/shrinkage
PC/PMMAComposite	CombinesbenefitsofPC&PMMA,buthighercost
Glass	Highsurfacehardness(6H),minimalwarping/shrinkage,moderatecost,butlessimpact-resistantthanplastics

Thickness

Glass:0.55mm / 0.7mm / 1.1mm / 1.8mm

PC/PMMA/Composite:0.5mm / 0.65mm / 0.8mm / 1.0mm / 1.5mm

How to assemble the resistive touch screen to the housing?

To prevent false triggers, the housing must not directly contact the active touch area. Maintain an air gap of 0.20mm0.50mm between the housing and touchscreen surface. Recommendations for Customers: Step Design Add a peripheral step on the housing(Foam Tape) Width:Should not exceed TP silver trace boundaries Height:0.20.5mm

When installing a resistive touch screen, it is recommended not to position the FPC downward. In outdoor environments with significant temperature differences, water vapor may condense on the touch screen surface. Additionally, external water, under the influence of gravity, may flow along the touch screen surface, seep through the casing, and reach the FPC bonding area. This can corrode the FPC bonding position and affect product reliability. If the touch screen is installed in this orientation, the waterproof performance of the entire device should be designed to a higher level.

Do resistive touchscreens require calibration?

A resistive touchscreen detects touch positions by measuring voltage signals generated at the contact point. When a finger or stylus presses the screen, the conductive layers (typically made of ITO) at the touched location undergo a change in resistance, producing corresponding voltage signals. These signals are then converted into X and Y coordinates, enabling precise touch recognition and positioning. From the operational principle described above, the key takeaway is that resistive touchscreens rely on voltage signal acquisition for coordinate recognition. The consistency of these voltage signals is fundamentally determined by the uniformity of the conductive layer (ITO layer). Industry-Specific Manufacturing Reality: ITO Layer Production: The industry-standard magnetron sputtering deposition process inherently creates thickness variations This results in sheet resistance (a conductivity equivalent) tolerances Typical industry specification: 400100 (representing 25% variance) Performance Implications: Inter-panel voltage distribution variations are unavoidable due to: Initial sheet resistance tolerances Thickness non-uniformity (typically 5% across panel) Long-Term Performance Factors: ITO layer degradation characteristics: Annual sheet resistance drift: 3-8% (accelerated by environmental factors) Operational lifespan impact: 50,000+ touch cycles (industry benchmark) Compensation Solution: Dynamic calibration protocols are implemented to: Compensate for initial manufacturing variances Counteract progressive ITO aging effects Maintain 1% coordinate accuracy throughout product lifecycle In summary, to ensure touch accuracy, calibration is essential for resistive touchscreens.

Package

Office

Factory

Precision Touch for Diverse Applications

Engineered for use in industrial control systems, kiosks, and medical devices, this 18.5 inch resistive touch screen offers precise interaction with a high resolution of 4096 x 4096 (controller dependent) and a minimum touch size of 2mm. Its anti-glare and anti-reflective treatments (optional) improve visibility in varying environments.


Rugged and Reliable Construction

Built with high-durability materialsglass, PET, and ITOthe panel can withstand harsh operating conditions, including temperatures from -10C to 60C and humidity levels of 10% to 90% RH. Its edge seal uses strong PET adhesive, and it provides IP54 front surface protection against dust and splashes.


Flexible Installation and Integration

Supporting both surface and embedded mounting, with adhesive or screw mounting options, the panel offers maximum adaptability. With a 2.2 mm thickness and RoHS compliant standard, this panel integrates seamlessly into a variety of devices and enclosures.