Master Touch 7 Inch GT5688 Controller IIC Interface GG Structure Touch Panel
1. Product Description
Master Touch 7 inch GG touch screen panel can be used in POS, coffee machine, smartphone, tablet, etc. There are two types of G+G structures: SITO and DITO. Master Touch G+G structure touch screen adopts DITO (Dual ITO) technology. From top to bottom is Cover glass, OCA, ITO1 and ITO2, and sensor glass.
2. Basic Features
| Item | Feature | 
| Controller | GT5688 | 
| Channel | TX: 26 RX: 14 | 
| Power | 3.3V | 
| Communication | IIC | 
| Number of Touch point | 10 | 
| O.S. | Windows/ Android/ Linux | 
| Power Consumption |  			 1.Active Mode: Max.120mA @ USB Input 5V 2.Idle Mode: 90mA @ USB Input 5V 3.Sleep Mode: less than 1mA @ USB Input 5V  |  		
| Item | Specification | Unit | 
| Viewing Area |  			 154.81(L)×86.52(W)  |  			mm | 
| Cover Lense O.D. |  			 185.98(L)×126.81(W)  |  		
4. Optical Characteristics
| Item | Specification | |
| Transparency | Viewing Area | ≧85% | 
| Item | Specification | Unit | ||
| Stacked structure | Cover | 1.0 | mm | |
| LOCA | 0.2 | mm | ||
| ITO | 0.7 |  			 
 mm 
  |  		||
| Sensor Glass | ||||
| ITO | ||||
| Sensor Dimension | OD Size | X | 162.68 | mm | 
| Y | 99.77 | mm | ||
6. Drawing

7. Details

8. Advantages of G+G Structure
(1)High transmittance,>85%.
(2)Hard and anti-wear surface.The hardness is 6H.
(3)Excellent corrosion resistance.
(4)Sensitive touch and stable performance.
9. Reliablility Test
| Reliability test report | ||||
| Objects | □Raw material □New production process □Abnormal item □New product □Finished product □Sample □Experiment procedure and method □Others □Production line program  |  		|||
| Purpose: to verify the applicability of the experimental product when being stored,transported and used under the extreme environmental conditions. | ||||
|  			 Experiment requirements: 
  |  		||||
| No. | Items | Test condition | Criterion | |
| 1 | High temperature and humidity test | 1. Temperature: 60℃ 2. Humidity: 90%RH 3. Time: finished product 120H  |  			 			 Appearance test refer tostandard OK Function detection OK  |  		|
| 2 | Temperature Switching impact test | 1.High temperature 2.Low temperature 3. 30 times in cycle  |  			Appearance test refer tostandard OK Function detection OK  |  		|
| 3 | Salt spray test | 1.Concentration: 5% NaCl solution 2.Temperature: 35℃ 3.Time: finished product 48H  |  			Appearance test refer tostandard OK Function detection OK  |  		|
| 4 | High temperature storage test | 1.Temperature: 80℃ 2.Time: 120H  |  			Appearance test refer tostandard OK Function detection OK  |  		|
| 5 | Low temperature storage test | 1.Temperature: -30℃ 2.Time: 120H  |  			Appearance test refer tostandard OK Function detection OK  |  		|
| 6 | Red ink test | 1. Room temperature 2. Time: 8H  |  			1. No ink infiltration 2. All functions are good  |  		|
| 7 | Hand sweat test | 1. Sweat PH=4.7 2. Time: 48H  |  			Appearance test refer tostandard OK Function detection OK  |  		|
| 8 | Static electricity test | 1. Air discharge: 8KV 2. Contact discharge: 6KV 3.Times: 10 times for each point  |  			Appearance test refer tostandard OK Function detection OK  |  		|
10. FAQ
