COLOR CONVERSION COMPOSITION, COLOR CONVERSION SHEET, AND LIGHT SOURCE UNIT, DISPLAY, LIGHTING SYSTEM, BACKLIGHT UNIT, LED CHIP AND LED PACKAGE CONTAINING SAME

• Main Authors: HAMANO, Tsubasa, TANAKA, Daisaku, SAKAINO, Hirotoshi, UMEHARA, Masaaki
• Format: Patent
• Language: English; French; Japanese
• Published: 13.04.2017
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADHESIVES; BASIC ELECTRIC ELEMENTS; BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; 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; DYES; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHTING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; NON-PORTABLE LIGHTING DEVICES; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PHYSICS; POLISHES; SEMICONDUCTOR DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

A color conversion composition that is one aspect of the present invention contains component (A) and component (B) and converts incident light into light having a longer wavelength than the incident light. This color conversion composition and a color conversion sheet containing same can be used in a light source unit, a display, a lighting system, a backlight unit, an LED chip and an LED package. Component (A) is an organic luminescent material. Component (B) is at least one of a polyester resin having a partial structure represented by general formula (1) in the molecular structure, and a resin having a bisphenol structure represented by general formula (2). (Y is a divalent saturated aliphatic hydrocarbon group having at least 1 tertiary or quaternary carbon atom.) (R1 and R2 each denote a hydrogen atom or an organic group having 1-20 carbon atoms. R1 and R2 may be the same as, or different from, each other.) Une composition de conversion de couleur selon un aspect de la présente invention contient un élément (A) et un élément (B) et convertit la lumière incidente en lumière ayant une longueur d'onde plus longue que la lumière incidente. Cette composition de conversion de couleur et une feuille de conversion de couleur la contenant peuvent être utilisées dans une unité de source de lumière, un dispositif d'affichage, un système d'éclairage, une unité de rétroéclairage, une puce à DEL et un boîtier à DEL. L'élément (A) est un matériau luminescent organique. L'élément (B) est une résine de polyester ayant une structure partielle représentée par la formule générale (1) dans la structure moléculaire, et/ou une résine ayant une structure bisphénol représentée par la formule générale (2). (Y est un groupe hydrocarboné aliphatique saturé divalent ayant au moins 1 atome de carbone tertiaire ou quaternaire.) (R1 et R2 représentent chacun un atome d'hydrogène ou un groupe organique ayant 1 à 20 atomes de carbone. R1 et R2 peuvent être identiques ou différents l'un de l'autre.) 本発明の一態様である色変換組成物は、以下の（Ａ）成分および（Ｂ）成分を含有し、入射光を、その入射光よりも長波長の光に変換する色変換組成物である。この色変換組成物およびこれを含む色変換シートは、光源ユニット、ディスプレイ、照明装置、バックライトユニット、ＬＥＤチップおよびＬＥＤパッケージに用いられる。 （Ａ）成分：有機発光材料 （Ｂ）成分：分子構造中に一般式（１）で表される部分構造を有するポリエステル樹脂、および一般式（２）で表されるビスフェノール構造を含む樹脂の少なくとも一方（Ｙは、少なくとも１つの３級炭素あるいは４級炭素を有する２価の飽和脂肪族炭化水素基である。）（Ｒ1およびＲ2は、水素または炭素数１から２０までの有機基を示す。Ｒ1とＲ2は、同じであっても異なっていてもよい。）