With the domestic epidemic under control, the country's primary and secondary schools are also about to usher in a wave of school. In the vast number of students on the eve of the campus, how to create a healthy learning environment, has become the focus of social concern.
One of the use of ultraviolet lamp disinfection sterilization, is a traditional, effective practice. The product has been widely used in hospital, food industry, catering and other fields.
During the outbreak of novel coronavirus, ultraviolet disinfection lamp and other related equipment were attached great importance and were widely used in libraries, stations, airports and other public places with large crowds and large liquidity. The use effect proved that ultraviolet ray had a very good effect on preventing the spread of epidemic diseases.

Warm prompt
1. Purchase of ultraviolet disinfection products shall be purchased from companies with qualifications and relevant certificates.
2, disinfection lamp choose ozone - free ultraviolet lamp (low-pressure mercury lamp), there is a special need to choose ozone.
3, the installation of ultraviolet disinfection lamp adopts indoor hanging installation, the suspension height is generally 2-2.3 meters above the ground, the power of ultraviolet disinfection lamp is calculated with no less than 1.5W per cubic meter. Each disinfection irradiation time (30-60 minutes).
4, the ultraviolet disinfection lamp and the floodlight switch must be set separately, and maintain a certain distance, do not allow the ultraviolet lamp switch and the floodlight switch parallel discharge (it is best to install in separate rooms). The switch should be set more than 2 meters above the ground, and add eye-catching warning signs.
5, advocate to set up a special circuit, equipped with a unified lock of the general power control switch box, by the specially-assigned person on the power of the ultraviolet lamp for unified control, in order to prevent irrelevant personnel mistakenly open the misuse of ultraviolet disinfection lamp.

4. How will the international giant of LED industry respond to the aggravation of the overseas epidemic?

Recently, the overseas outbreak emergency caused concern. The outbreak has spread around the world, with the number of infections soaring in Europe and the United States. In the face of sudden changes, osram, xinnuofei, vireco, etc. have lowered the performance expectations, adjust product prices, emergency production to cope with the pressure.

Osram withdraws guidance for fy2020
On March 18, osram issued a statement on the outbreak and withdrew its guidance for fiscal year 2020, according to the report. Osram said the company did not expect to meet its current fy2020 target due to the pandemic. Given the unprecedented operational and financial challenges posed by the spread of the outbreak, and the uncertain trajectory of the coming weeks, it is not possible to determine or quantify fully the economic impact of the outbreak on the company.
In this case, the outbreak of a pandemic and global response measures, especially the osram production are on the increase in the number of customers and the global supply chain disruptions, expect the world economy, especially for the global car industry have a significant impact, thus will inevitably affect the osram's photoelectric semiconductor and automotive business (according to osram in fiscal year 2019, the car business accounts for more than 50% of group revenues).
Osram says ensuring the health and safety of its employees is the company's top priority. In addition, the company is preparing other comprehensive measures. Among them, osram is considering short-time work in badly affected areas and temporarily closing some production facilities.
The company's management has been monitoring the situation comprehensively and taking further steps as necessary. Last month, osram reported revenue for the first quarter of its fiscal year 2020 (October 2019 to December 2019), up 0.5% to 873 million euros. Adjusted EBITDA margins were 13 per cent, up nearly two percentage points on a comparable basis. The semiconductor business was particularly strong, with margins recovering significantly and adjusted EBITDA up about 22 per cent in a year to €114m.
Separately, on March 9th OSRAM announced that it would shut down Lightl for the next 18 months.