WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE

• Main Authors: SAKAMOTO, Katsuyoshi, JIANG, Xin, YOSHIDA, Yuma, YAMAGUCHI, Kaho, NISHIMURA, Masato
• Format: Patent
• Language: English; French; Japanese
• Published: 03.02.2022
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-LINEAR OPTICS; NON-PORTABLE LIGHTING DEVICES; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; SEMICONDUCTOR DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

This wavelength conversion member comprises a wavelength conversion layer including a fluorescent body and a light absorbing agent which absorbs at least part of light within the wavelength range of 580 nm to 620 nm. Cet élément de conversion de longueur d'onde comprend une couche de conversion de longueur d'onde comprenant un corps fluorescent et un agent d'absorption de lumière qui absorbe au moins une partie de la lumière dans la plage de longueurs d'onde de 580 nm à 620 nm. 蛍光体と、波長が５８０ｎｍ～６２０ｎｍの範囲内である光の少なくとも一部を吸収する吸光剤と、を含む波長変換層を備える、波長変換部材。