The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The LED device for illumination in space application has been well done in the past few years, including the in cabin application on bio-science satellite in 2007 and out cabin application on spacecraft in 2008 to shine on the first human step in space of Chinese astronaut. The thermal property of assembled LED lamp has been experimentally characterized by a recently developed spectroscopy method,...
Although critical to the lifetime of LED, the junction temperature of LED cannot be measured easily. From the general photo-electro-thermal theory for LED systems, new equations for estimating the internal junction temperature Tj and junction-case thermal resistance Rjc of LED from the luminous flux measurements, which can be obtained relatively easily, are presented and verified practically. These...
The LED device for illumination in space application has been well done in the past few years, including the in cabin application on bio-science satellite in 2007 and out cabin application on spacecraft in 2008 to shine on the first step in space of Chinese astronaut. The optical simulation has been performed to optimize the brightness of LED lamp. The thermal property of assembled LED lamp have been...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.