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.
We presented a dual-layer packaging layout and its enhancement effect on light efficiency (LE) and angular color uniformity (ACU). In this packaging layout, a thin film of TiO2/ silicone nanocomposite is inserted between LED chips and phosphor layers. And the phosphor layer is a convex shape and Restricted to the surface of LED chips. The effects of TiO2 concentration and particle size on the LE and...