4.2 inch Electronic Paper Display resolution 300*400 SPI interface monochrome display driver ICST7306 Applicable electronic shelf price tag ESL

This is a 4.2 inch Electronic Paper Display with a resolution of 300x400. It features a SPI interface and is a monochrome display driven by the ST7306 driver IC. It is applicable for electronic shelf price tags (ESL).

• The e-paper technology offers a paper-like reading experience with low power consumption.

• The 300x400 resolution provides clear and legible text and graphics.

• The SPI interface ensures easy connectivity.

• Monochrome display is ideal for displaying simple and essential information.

• The ST7306 driver IC provides stable and efficient performance.

• Ideal for use in retail stores as electronic shelf price tags to quickly and accurately display product prices and information.

• Can be used in warehouses and logistics centers to label and track inventory.

• Suitable for museums and galleries to provide information about exhibits in an energy-efficient way.

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Huaxianjing Group is an amalgamation of Shenzhen Huaxianjing Display & Touch Co., Ltd., Gao'an Huaxianjing Display Technology Co., Ltd., Shenzhen Huaxianjing Display Technology Co., Ltd., and Jiangxi Huajia Display Technology Co., Ltd. These internal enterprises complement and coordinate closely with one another. Shenzhen serves as the operational hub, while Jiangxi functions as the manufacturing base. The Shenzhen center spans 5,200 square meters across two floors. Gao'an boasts a self - built industrial park covering an area of 50 mu, and Shanggao has a newly expanded factory of 12,000 square meters.

As a national high - tech enterprise, Huaxianjing specializes in the production of high - quality black - and - white liquid crystal displays (TN, HTN, STN, FSTN), color TFTs, OLEDs, backlights, and liquid crystal display modules. Equipped with a full set of internationally advanced fully - automatic production equipment, dust - free clean workshops, and supporting facilities, the company currently has around 1,600 employees. Among them, 32.5% hold a college degree or higher, and 7.5% possess a junior professional title or above. It has assembled a pool of senior domestic experts and talents in the liquid crystal flat - panel display industry.

Huaxianjing places great emphasis on technological innovation and has developed a series of key technologies with independent intellectual property rights. To date, it has been granted 6 utility model patents and software copyrights. The company has obtained certifications for multiple management systems, such as ISO9001:2015 Quality Management System Standard, ISO13485 Medical Device Quality Management System, IECQ QC 080000 Hazardous Substances Process Management System, ISO14001:2015 Environmental Management System Standard, and ISO45001:2018 Occupational Health and Safety Management System Standard.

Moreover, it has received numerous accolades, including the National High - tech Enterprise, Provincial "Specialized, Sophisticated, Special, and New" Small and Medium - sized Enterprise, Provincial Integration of Informatization and Industrialization Demonstration Enterprise, Provincial Integration of Informatization and Industrialization Standard - compliant Enterprise, Safety Production Standardization (Level 3 Enterprise), Special Award for Enterprise Tax Contribution, and Advanced Unit in Safety Production. In September 2022, Huaxianjing signed an agreement with Beijing University of Technology and was selected as one of the five recommended enterprises for the "Taking on the Challenge" initiative in Yichun City. It has gradually emerged as an influential star enterprise in the Jiangxi display sector.