Light-emitting device

• Main Authors: YE ZHI TING, PAN XI MING
• Format: Patent
• Language: Chinese; English
• Published: 23.10.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The invention provides a light-emitting device including a light-emitting wafer, a reflective cup, and a package. The light-emitting wafer is provided with a first light-emitting surface and a secondlight-emitting surface connected thereto. The reflective cup is arranged at periphery of the second light-emitting surface of the light-emitting wafer. The package packages the light-emitting wafer and the reflective cup. The reflective cup has an inner surface, which is faced to the second light-emitting surface of the light-emitting wafer. A multi-focus point paraboloid is formed on the inner surface of the reflective cup and includes multiple sections of paraboloids, wherein the points, corresponding to the sections, are symmetrically distributed on the first light-emitting surface of the light-emitting wafer. 本发明提供种发光装置，其包括发光晶片、反射杯及封装体。所述发光晶片设有第发光面及连接所述第发光面的第二发光面。所述反射杯环设于所述发光晶片之第二发光面的周侧。所述封装体封装所述发光晶片和所述反射杯。所述反射杯具有面向所述发光晶片之第二发光面的内表面。所述反射杯之内表面设有多焦点抛物面。所述多焦点抛物面包括多段抛物面。各段抛物面对应之焦点对称地分布于所述发光晶片之第发光面。