Product Description
The IPS 1024x600 7 inch tft lcd touch screen display uses cypress touch controller ic, G+G structure,support operation with gloves, water , and thick tempered glass or PC on top of the cover glass, mainly used in medical, industrial, security, home appliances and other fields; Custom processing such as surface treatment --AG,AR,AF available, resolution and brightness optional, etc.
This IPS 1024x600 7 inch tft lcd touch screen display module belongs to the standard module launched by our company. The display with LVDS interface, industrial wide temperature, It has excellent anti-interference performance. It can support some special functions; the display screen is IPS panel material. The capacitive touch screen panel and the display screen can also be directly optical bonded.
 | MODULE PRODUCT DETAILSModel Number:HX0701820 Size:7.0 inch Operating Temperature:-20℃ ~ 70℃ Storage Temperature:-30℃ ~ 80℃ Outline Dimension:165.00(W)x100.00(H)x5.35(H) mm Viewing Area:154.88(W)x86.72(H) mm Active Area:154.21(W)x85.92(H) mm Support Systems:Windows/Android/Linux etc. Warranty:1 year |
 | PCAP(projected capacitive)Light Transmittance:≥85% Surface Hardness:≥6H Interface Type:IIC/USB Controller IC :Cypress Structure:Glass+Glass Touch Points:1-10 Points Power Supply Voltage:2.8V ~ 3.3V |
 | TFT LCD DISPLAYResolution:1024x600 Interface Type:LVDS(40PINS)/HDMI/VGA Luminance:350 cd/m² Viewing Angle:ALL |
Custom Service
If you want USB interface, we can supply IIC to USB Bridgeboard
FAQ
Q: What can Grahowlet technology do? Can you briefly introduce it?
A: The capacitive screen solution includes: Cypress , Goodix, Focal tech, ATMEL, EETI, ILI, etc. The cover lens, sensor and FPC of the touch can be customized in depth according to the actual needs of customers; The display solution includes: the current mainstream display glass panel, and we can customize the brightness of the display screen, FPC shape, interface definition, driver IC solution according to the actual needs of customers, etc.
Q: What is the principle of capacitive touch screen to achieve multi-touch?
A: When the finger touches the capacitive screen, it affects the coupling between the two electrodes near the touch point, thus changing the capacitance between the two electrodes. When detecting the mutual capacitance, the lateral electrodes sequentially emit excitation pulse signals, and all the longitudinal electrodes receive signals at the same time, so that the capacitance values of all the intersections of the lateral and longitudinal electrodes can be obtained, that is, the capacitance of the two-dimensional plane of the entire touch screen. According to the two-dimensional capacitance change data of the touch screen, the coordinates of each touch point can be calculated. That is, the real multi-point coordinates can be calculated to realize multi-touch;
Q: Is there any suggestion regarding the capacitive touch screen module solutoin directly used by raspberry pi and orange pi?
A: We have some mature projects cases and the best way is to connect the touch screen directly through USB interface to the Raspberry Pi or the orange Pi, and the display can be directly connected through HDMI interface, this way the whole solution can be implemented through plug and play. Large size touch screen will be designed directly with USB interface, small size is general designed with IIC interface, so we will do is to provide the board which changes the IIC into USB. however, customers need to contact our technicians to check the configuration and software system. For display, we can provide RGB to HDMI, LVDS to HDMI, MPI to HDMI, EDP to HDMI and other driver boards to realize the connection with Raspberry Pi and orange pi;
Q: Since the Cypress solution capacitive screen can enhance the anti-noise ability, then can we analyze the factors affecting noise from the sensor perspective?
A: The impact of the Sensor on TP performance is huge. In the capacitive touch screen module, the sensor is the sensing element, and the controller IC is the analog-to-digital converter. The sensor quality directly affects the quality of the signal received by the IC. From the structure point of view, sensor is divided into two categories, namely DITO and SITO. From the material point of view, sensor is mainly divided into two categories, namely Glass and Film. DITO uses the lower layer TX for shielding, so no shielding layer is needed. SITO's TX and RX are all on one layer, so you need a shield on the back. Technical improvements can remove the back shield. The Cypress solution uses a DITO structure with a mesh pattern to solve linearity and dangling problems. The SITO structure usually adopts a diamond pattern. This pattern has many problems, and the power supply noise is large, linearity, floating, and poor waterproof performance. The Cypress scheme uses the SITO structure plus a bee pattern to achieve the performance of the DITO structure with a mesh pattern. Because the FLASH process does not support high voltage, it can be seen that other chips in the market need high voltage when it needs to externally boost the chip. In addition to the boost, the Cypress chip adds a lot of algorithms and adopts its own patented SENSOR pattern, so in the letter The noise ratio can be done very well.
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