Recently, the 55-inch Interactive Flat Panel independently developed and produced by Qtenboard, a professional OEM/ODM source factory for LCD commercial display screens, has been successfully delivered to multiple schools in Laos. Relying on ultra-high-definition display, sensitive multi-point touch, powerful intelligent teaching functions and stable product performance, it has brought modern and efficient smart teaching tools to local classrooms, effectively boosting the digital and intelligent transformation of basic education in Laos and creating a new model of interactive teaching for local schools.

Tailored for the conventional classroom scenarios of primary and secondary schools in Laos, this 55-inch interactive flat panel perfectly balances visual experience and space adaptability. Adopting advanced D-LED backlight technology, the screen features 500cd/㎡ high brightness, 4500:1 high contrast ratio and 72% NTSC color saturation, paired with a 178° ultra-wide viewing angle (H/V). No matter where students sit in the classroom, they can clearly see the teaching content on the screen, with vivid and delicate color restoration that perfectly presents teaching videos, courseware demonstrations, graphic materials and other content. The screen is made of AG anti-glare glass with Mohs hardness grade 7 and 4mm tempered glass, which effectively resists strong light reflection in the classroom, reduces students' visual fatigue, and has excellent wear and scratch resistance to adapt to the high-frequency teaching use in schools.

In terms of core touch experience, the device is equipped with a high-precision infrared touch frame with a super fast 6ms touch response time. The touch accuracy of more than 90% of the touch area reaches ±2mm, and the minimum touch diameter is only 2mm, supporting multi-point touch operation. It can meet the needs of teachers and students for handwriting, annotation, interactive Q&A and group collaborative learning in class, and realize smooth and natural touch interaction. Its built-in ultra-high-definition electronic whiteboard has a wealth of practical functions: supporting single-point/multi-point writing, picture insertion, page adding and deleting, gesture erasing, zooming and restoring, undo and redo, as well as QR code scanning for quick sharing of blackboard writing content. What’s more, it can realize real-time annotation and save on any interface of any channel, completely bid farewell to the traditional blackboard and chalk, realize paperless and intelligent teaching writing, and greatly improve the interactivity and efficiency of classroom teaching.

On the hardware and system configuration, the interactive flat panel is equipped with the Android 14.0 intelligent operating system with a unique UI design, and an 8-core 64-bit high-performance CPU based on A55x8 architecture with a maximum clock speed of 1.5GHz. It is also built with a high-performance image processing engine that supports image motion compensation and color enhancement processing, effectively optimizing the display effect of dynamic and static images. With 4GB DDR4 RAM + 32GB internal storage, the device ensures smooth and non-stuttering system operation even when running multiple teaching software at the same time. In addition, the device is reserved with a standard OPS computer interface, which can be optionally equipped with Intel Core i5/i7 chips to expand into Android + Windows 10/11 dual system. It supports one-click opening and closing of the dual system, which is fully compatible with various types of teaching software and courseware formats on the market, meeting the diverse teaching operation needs of Lao teachers. The device is built-in with 2.4GHz/5GHz dual-band WiFi network card and Bluetooth module, supporting simultaneous WiFi Internet access and WiFi hotspot function, as well as wireless projection and multi-screen interaction. Teachers can realize one-click screen projection through mobile phones, computers and other terminals, and complete remote photography, video and document sharing, wireless remote control and other operations, breaking the barrier of device connection and realizing seamless interaction in the classroom.

In terms of practical design and interface expansion, the device is equipped with a wealth of standard interfaces, including 2×HDMI, 4×USB, 1×Type-C, 1×Type-B 2.0, 1×TF card slot, 1×MIC interface and 1×RJ45 in port, and can be optionally equipped with DP, VGA, RJ45 out port according to actual needs, easily connecting projectors, U disks, microphones, printers and other teaching peripherals to meet the needs of multi-device collaborative teaching. It supports automatic recognition of external input signal sources, realizing convenient and fast screen switching, and the left and right function navigation bars can quickly call common teaching functions. The gesture call mode and touch switch can be freely switched, with simple and easy operation, allowing teachers who are not familiar with smart devices to master it quickly. The device is pre-installed with efficient teaching and office software such as WPS, and supports custom boot screen, theme and background, as well as automatic classification of local media files, which can be flexibly set according to teaching needs and greatly reduce teachers' pre-class preparation work. In terms of audio-visual configuration, it is built-in with 2×10W/20W (8Ω) high-fidelity speakers and a 48MP 4K ultra-high-definition camera (3840×2160), which can realize high-quality remote teaching, online interactive courses and cross-school academic exchanges, and provide strong hardware support for the informatization construction of local schools in Laos.

In terms of durability, energy saving and environmental adaptability, the product adheres to Qtenboard's high-quality manufacturing standard, adopting aluminum front frame + sheet metal rear cover structural design, with a sturdy and durable body and a black integrated appearance, which is simple and fashionable and suitable for various classroom decoration styles. The screen panel has a service life of up to 50,000 hours, which can fully meet the long-term and high-frequency teaching use needs of schools. The device is adapted to 100V~240V wide voltage AC power supply (50/60Hz), with a maximum power consumption (including OPS) of ≤600W (OPS power 65W) and a standby power consumption of ＜0.5W, which is in line with international energy-saving standards, effectively reducing the daily use cost of schools and perfectly adapting to the local power supply environment in Laos. In terms of environmental adaptability, it can work stably in the temperature range of 0℃ ~ 40℃ and humidity of 20% ~ 80%, and the storage temperature range is -10℃ ~ 60℃, which can adapt to the climatic conditions of different regions in Laos and provide long-term and stable teaching equipment support for local schools.

The successful delivery of Qtenboard 55-inch interactive flat panel to Laos is an important practice of Qtenboard Display in laying out the global education commercial display market, and also a concrete embodiment of the company's product strength and technical advantages being recognized by the international market. As a professional OEM/ODM source factory for LCD commercial display screens, Qtenboard Display has been deeply engaged in the R&D and production of commercial display products for a long time, adhering to the concept of customer-centric and demand-oriented, and can customize personalized display solutions according to the actual needs of different countries and different application scenarios. In the future, Qtenboard Display will continue to increase R&D investment in education commercial display products, continuously optimize product performance and enrich functional configuration, and provide more high-quality, high-adaptability and intelligent interactive flat panel products for educational institutions around the world, helping the global education industry to achieve high-quality development and intelligent upgrade.