Product Description
The 21.5 inch touch screen panel for smart home, support operation with thick gloves ,thick tempered glass and thick PC on the top, mainly used in industrial, medical, outdoor advertising and other equipment. Deep customization including structural, surface treatment such as AG AR AF and other special effects are supported; All kinds if interface conversion Boards and drive Boards are provided to meet requirements from various customers.
The display resolution of this capacitive touch screen module product is 1920*1080, with a full view angle, which can match the VGA or HDMI interface driver board, and the capacitive screen USB interface, it is more suitable for application in some areas where the environment is slightly better. The module products are suitable for use on the equipment installed by the flat assemble module structure, and the capacitive touch screen structure part can also support deep customization;

| Model Number | HX2151706 |
| Brand | Grahowlet |
| Size | 21.5 inch |
| Operating Temperature | -20℃ ~ 70℃ |
| Storage Temperature | -30℃ ~ 80℃ |
| Outline Dimension | 510.84(W)x309.85(H)x14.15(D) mm |
| Viewing Area | 477.64(W)x269.11(H) mm |
| Active Area | 476.06(W)x267.79(H) mm |
| Support Systems | Windows/Android/Linux etc. |
| Warranty | 1 year |
| Interface Type | IIC/USB/RS232 |
| Structure | G+G |
| Controller IC | ILITEK |
| Touch Points | 10 points |
| Transparency | ≥85% |
| Surface Hardness | ≥6H |
| Power Supply Voltage | 5.0V |
| Resolution | 1920*1080 |
| Interface Type | LVDS/HDMI/VGA |
| Luminance | 250 cd/m² |
| Viewing Angle | ALL |
Technical Q&A
Q: According to the survey, the quality reputation of your capacitive touch screen is very good in the whole industrial field. Can you share the experience of quality control?
A: Capacitive touch screen product quality control mainly lies in function and appearance. In function aspect, we have several full checks in the production process, and we will double check out them thoroughly before shipment, so there are few bad feedback from clients on function. In addition, the most important aspect of appearance is dust-free room in production in environmental control, as long as the environmental control is good, the problem of basic fit foreign matter can be solved very well, We have professional quality personnel to control the remaining minor scratches and the grasp of structural parameters. We have a complete quality control system. Once we have confirmed with customer about their quality standards, mass production can be well controlled. That's why we have a good reputation for quality.
Q:According to our understanding, the amount of products used in industrial projects is generally not very large, and the project cycle is longer. How do you deal with this?
A: If you can ask such a question, it shows that you still have a certain understanding of the field of industrial capacitive screens, and the actual situation is indeed like this. In view of the long lead time, we have special personnel to do the project training, and we will take into account the project cycle length and life cycle in the design of the pre-project. the recommended solution are basically industrial, which generally can ensure that the solution can be sustained in 3-5 years of mass production supply. even if one of the material shutdown, we also have alternative schemes for customers, which will not affect the structure of customer’s end products. The most we do is to help customers fine-tune some software without affecting the hardware part. For the quantity issue, we have a complete system for customers in the industrial field. Generally, after the sample test is passed, we will add another small batch of trial production opportunities, during this time, the quantity is not limited, and just need to meet MOQ requirement after this. Actually we don’t have high MOQ requirements for industrial customers in combination with production and materials investment, the specific MOQ is related to sizes of the screen. Please contact our sales for more details.
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