抗蓝光玻璃中抵抗蓝光能力检测方案(紫外分光光度)

Hitachi High-Technologies Corporation Transmittance Measurement of Blue Light Cut Glasses INTRODUCTION The blue light emitted from digital equipment such as flat panel TVs， personal computers， and cell phones has highenergy and it is said to adversely affect eyes. The wavelength of this blue light is around 380-500 nm and emits bluecolored light. Glasses with the function to cut blue light so as to protect eyes from this blue light are drawing people's attention.As the luminous flux is diffused by a lens， the sample， 060 full-sphere integrating sphere accessory was used for themeasurement (Refer to“Hitachi Technical Data UV-VIS Sheet No. 136" for the details).This time the transmission spectra of two types of glasses， with and without the blue light cut function，were measured. It is shown that the glasses with the blue light cut function cut the light in the blue light range. SAMPLE Sample： Glasses (with and without blue light cut function) INSTRUMENT CONDITIONS ACCESSORY Instrument ： U-4100 Spectrophtometer (solid sample measurement system) Measurement wavelength range ：350-800 nm Scan speed ：300 nm/min Slit ：8 nm Sampling interval ：1nm Sample Holder (P/N： 1J0-0202) 60 FULL-SPHERE |NTEGRATING SPHEREACCY. (P/N： 134-0205) Material/Processing Material Related， Spectrophotometer (UV) Other Material/Processing Material Related， Glasses， Lens， Blue Light， Transmission Spectrum， Transmittance， Sheet No. UV120002-01 Spectrophotometer， U-4100