The paper is divided into two parts.Part 1 describes the activities in International Commission on Illumination (CIE) on the development of new colour rende
In order to provide basic experimental data for new index to assess discomfort glare for LED lighting,subjective glare evaluation was carried out using vari
With the technology improvement and price erosion,LED was expected to be widely adopted in all general lighting application including outdoor,residential,of
This paper describes the photobiological activities relating to lighting products in CIE and IEC.The photobiological safety of lamps and lamp systems,especi
General lighting by use of LED-Chips is one of the strongly growing markets today and also in future.One of the trends goes to LEDs with higher and higher l
In this work,we have investigated various characteristics of the isolation trenches,such as surface roughness of sidewall,etching depth,inclined angle and d