Case Introduction

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Case Introduction

Capacitive touch screen has been increasingly used in various fields with rapid technology development. In order to meet different requirements of worldwide customers, GraHowlet supply all kinds of product structures such as G + G, G + F (G + F + F ),P + G, etc. and various technical support programs such as Cypress, Atmel, EETI, FocalTech, Goodix etc. according to different application environments.


Internet of Things


Requirements of capacitive touch screen are not very high in this field ranging between pure industry and consumer applications. End products are express logistics hand-held terminals, hand-held POS terminals, convenient payment terminals, self-service terminals. They are mainly used in indoor environments and occasionally used in outdoor applications. These terminal products mainly pursue lightness and portability, so G + F (F) structure is generally recommended and G+G structure is chose by a small number of customers to be cost-effective.


Case Introduction:

courier hand-held terminals

Application environment and features:

1.Mainly used for express scanning indoor, occasionally operated outdoor, so need to meet all kinds of weather conditions and operation sensibility with glove in winter;

2. Long standby time and low power consumption;

3.Pass high and low temperature aging test and tumbling test.

Touch Panel solution:

1. G +F + F structure, Corning glass cover with surface AF processed;

2. Cost-effective Goodix GT970 program, debugging water function and requiring glove function;

3. Overall module joint assembly with FPC screened.

Phone


Medical


Terminal products mainly refer to medical electronic products such as hand-held medical devices, wearable medical devices, portable medical machines, monitors, ECG, etc. Allowing for application scope and use cycle, medical products mainly requires sensitivity, long life cycle and good anti-interference performance for the touch screens. G + G structure is generally recommended and if there is relatively high demand of cost, P + G and G + F (F) structure could be used.


Case Introduction:

portable medical machine

Application environment and features:

1.mainly used in pharmacy and health clinic indoor, occasionally used for outdoor emergency, so need to achieve normal operation with medical waste liquid and medical glove;

2.pass electromagnetic compatibility test and meet safety requirements;

Power utilization differs home and abroad,so need to meet source and radiation resistant grades.

Touch panel solution:

1.G +G structure, Asahi glass cover with surface AF processed;

2.Cypress, fifth series program with good anti-interference performance

3.Normal Cost-effective module frame adhesion assembly and Overall module joint assembly with FPC and IC screened for emergency equipment.

Medical


Vehicle-mounted Industry


Capacitive touch screen requirement depends on the installation location (front or back) of the end products in the vehicle and the corollary devices. If end products are installed in front of the vehicle, in-vehicle control system, for example, requirements are relatively higher because they must meet relevant certification and explosion proof. Requirements are lower for end products located at the back of the vehicle such as car-borne navigation, audio-visual equipment and intelligent parking systems, intelligent traffic control terminals,etc. Antiriot, earthquake-proof, visibility in the sun and anti-interference are generally concerned about for terminals in this field, so G + G structure is generally recommended and G + F (F) structure are likely to be considered for breech-loading products that are high volume and cost sensitive.


Case Introduction:

front loading vehicle control system

Application environment and features:

1, mainly used in automotive control meter,so need to meet good visibility in the sun ;

2, requires explosion-proof seismic rhetorical vehicle certification;

3, require stronger anti-interference.

Touch panel solution:

1. G +G structure, thick tempered glass cover with surface AG processed;

2. Cypress program for screen size below 12.1 inch and EETI program for screen size above 12.1 inch with good anti-interference performance;

3. Considering the seismic explosion proof and wide temperature change, TP and TFT overall module joint assembly is recommended.

Vehicle-mounted Industry


Intelligent Household Industry


End products are mainly used indoor, smart appliance and smart security for example. Application environment is relatively good in this field so the requirements are relatively low for capacitance touch screens (except for intelligent products with servo motors). Sensitivity, interference and cost is usually considered ,so G + F (F) structure is generally recommended and G + G structure could be used on small amount of high-end products.


Case Introduction:

intelligent kitchen electric equipment

Application environment and features:

1. mainly used in the kitchen, so need to achieve normal touch with oil and water;

2. Capacitance touch screen needs relatively better hardness and stronger strength;

3. require strong anti-interference and good sensibility

Touch panel solution:

1. G +G structure, thick tempered glass cover with surface AF processed;

2. Cypress program or Atmel program with good anti-interference performance is recommended depending on customers’ actual application.

3. Considering the service life, temperature and humidity situation, TP and TFT overall module joint assembly is recommended;

ntelligent Household Industry


Industrial Control


Application environment is complicated in this field. The requirement of the capacitive touch screen is much higher with various sources of interference such as textile machines, HMI, industrial tablet, mobile phones.,etc. The service life, supply life cycle, stability, strong anti-interference and overall impact resistance is usually focused on and G + G structure is generally recommended.


Case Introduction:

Industrial data detection equipment

Application environment and features:

1. mainly used as workshop data monitoring, so need to achieve operation with glove and mechanical oil;

2. Capacitive touch screen requires stronger strength and higher impact resistance;

3. Capacitive screen needs strong anti-interference , long service life and life cycle .

Touch panel solution:

1. G +G structure, 2.0mm thick Corning tempered glass cover with surface AF processed;

2. Cypress program with FPC screened

3. Convenient TP and TFT module frame adhesion Assembly

Industrial Control


Outdoor Equipment


Application environment for this field is usually severe weather, high and low temperature and various outdoor impact so requirement of capacitive touch screen is relatively high. End products are mobile phones used in oil exploration, outdoor agricultural machinery, army and police on-duty portable terminals, etc. Capacitive touch screen glove function and water function, service life, visibility in the sun, impact resistance is generally concerned, so stable G + G structure is usually recommended.


Case Introduction:

outdoor military communication equipment

Application environment and features:

1. mainly used in outdoor field communications, need to meet good visibility in the sun and operate well with water-based gloves;

2.the whole machine needs to pass strict drop test and has strong shock resistance;

3.requires normal use with radar signal interference and good anti-interference performance.

Touch panel solution:

1. G +F+F structure, Corning tempered glass cover with surface AR and AF processed;

2. Cypress program with FPC screened;

3. Considering the impact resistance of the whole machine ,TP and TFT overall module joint assembly is recommended;

Outdoor Equipment


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