To understand how a light-emitting diode works, you need to get into the physics part of semiconductors. Simply explained, the LED is similar to astandard diode, but with the addition of a phenomenon calledElectroluminescence. The LED is made of electroluminescent materials, such as gallium arsen...
The present invention is a light emitting diode, comprising: a semiconductor light emitting element is mounted on the surface of the lead frame 2, 3 and 4 of the table on one side to cover the semiconductor light emitting element 4 of the transparent resin package 5. 在树脂封装5的表面部分...
本发明的GaN基发光二极管具有优良的电特性以及发光效率. GaN-based light emitting diode of the present invention has excellent electrical characteristics and luminous efficiency.张翠
What is a light emitting diode?A light-emitting diode (LED) is a semiconductor device that emits light when an electric current passes through it. It works on the principle of electroluminescence, where the movement of electrons within the semiconductor material releases energy in the form of pho...
发光二极管英文Light Emitting Diode, 英文简写为 。A.ELDB.DLEC.LEDD.DEL搜索 题目 发光二极管英文Light Emitting Diode, 英文简写为 。 A.ELDB.DLEC.LEDD.DEL 答案 C 解析收藏 反馈 分享
发光二极管简称LED(Light emitting diode),是半导体二极管的一种,当给发光二极管 加上正向电压后,产生自发辐射的荧光。( ) A. 正确 B. 错误 相关知识点: 试题来源: 解析 发光二极管是半导体二极管的一种,能够将电能转化为光能,主要是由一个PN结组成,也具有单向导电性。当给发光二极管加上正向电压后,从P区注入到...
White-light-emitting diode color filter and a display device for the light source PROBLEM TO BE SOLVED: To provide a color filter that may attain, in combination with an LED light source, contrast as high as that attained in combination with a CCFL light source, and a display device ...
A Light Emitting Diode (LED) Based Spatial Frequency Domain Imaging System for Optimization of Photodynamic Therapy of Nonmelanoma Skin Cancer: Quantitative Reflectance Imaging 来自 Wiley 喜欢 0 阅读量: 129 作者:RB Saager,DJ Cuccia,S Saggese,KM Kelly,AJ Durkin ...
What does a light-emitting diode do? Light-Emitting Diode: The light-emitting diode was invented as a result of the independent works of researchers H.J. Round, Oleg Losev, James R. Biard, and Nick Holonyak. Today, LEDs are part of many devices that we use in our daily life. Answer ...
The present invention provides a light emitting diode driving circuit and a current mirror circuit, said current mirror circuit is used for the LED current matching between the two. 该电流镜电路包括第一子电路及第二子电路,第一子电路包括第一晶体管,第二晶体管及第一OPAMP,第二子电路则包括第三晶体...