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    • 2. 发明授权
    • Silver halide photographic light-sensitive material
    • 卤化银照相感光材料
    • US4990437A
    • 1991-02-05
    • US370105
    • 1989-06-20
    • Toshifumi IijimaKenji KumashiroSyoji MatsuzakaHiroshi Kashiwagi
    • Toshifumi IijimaKenji KumashiroSyoji MatsuzakaHiroshi Kashiwagi
    • G03C7/26G03C1/005G03C1/035G03C7/30G03C7/38
    • G03C7/3825G03C1/035G03C7/3022
    • A silver halide photographic light-sensitive materially having at least one silver halide emulsion layer comprising a magenta coupler represented by formula I and negative type silver halide grains having a core-shell structure which consists of:(a) an inner core consisting essentially of silver bromide or silver iodobromide; and(b) a plurality of shells consisting essentially of silver bromide or silver iodobromide comprising:(i) an outermost shell containing 0 to 10 mol % of silver iodide;a high iodide-containing shell provided inside said outermost shell having a silver iodide content at least 6 mol % higher than that of the outermost shell; and(iii) an intermediate shell provided between the outermost shell and the high iodide-containing shell having a silver iodide content at least 3 mol % higher than that of the outermost shell, and at least 3 mol % lower than that of the high iodide-containing shell: ##STR1## Wherein Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring, X represents a hydrogen atom, a halogen atom or a releasable group, and R represents a hydrogen atom, a halogen atom or a monovalent group.
    • 包含由式I表示的品红色偶联剂的至少一种卤化银乳剂层和具有核 - 壳结构的负型卤化银颗粒的卤化银照相感光材料,其包含:(a)基本上由银组成的内核 溴化物或碘溴化银; 和(b)基本上由溴化银或碘溴化银组成的多个壳,其包含:(i)含有0至10mol%碘化银的最外壳; 提供在所述最外壳内部的含碘化物含量高的碘化银含量比最外壳高至少6摩尔%的碘化银含量; 和(iii)中间壳,其设置在最外壳和含碘碘化物壳之间,其碘化银含量比最外壳高至少3摩尔%,并且比碘化物含量低至少3摩尔% (I)其中Z表示完成含氮杂环所需的一组非金属原子,X表示氢原子,卤素原子或可释放基团,R表示氢原子 卤素原子或一价基团。
    • 3. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5002865A
    • 1991-03-26
    • US489747
    • 1990-02-26
    • Kenji KumashiroHiroshi KashiwagiSyoji MatsuzakaToshifumi Iijima
    • Kenji KumashiroHiroshi KashiwagiSyoji MatsuzakaToshifumi Iijima
    • G03C7/26G03C1/005G03C1/035G03C7/38
    • G03C1/035G03C7/3825
    • A silver halide photographic material is disclosed, said material having silver halide emulsion layers on a support, the emulsion in said silver halide emulsion layers containing magenta coupler represented by the following formula (I), said emulsion containing silver halide grains which have a (110) plane and/or a crystal plane having an edge running through substantially the center of a (110) plane, the silver halide composition of said grains being substantially made of silver bromide and/or silver iodobromide: ##STR1## where Z represents a group of the non-metallic atoms necessary for forming a nitrogen-containing hetero ring which may have a substituent; X is a hydrogen atom or a substituent which is capable of being eliminated upon reaction with the oxidation product of a color developing agent; and R is a hydrogen atom or a substituent.
    • 公开了一种卤化银照相材料,所述材料在载体上具有卤化银乳剂层,所述卤化银乳剂层中的乳液含有下式(I)表示的品红成色剂,所述乳液含有卤化银颗粒,其具有(110) )平面和/或具有延伸穿过(110)面的中心的边缘的晶面,所述晶粒的卤化银组合物基本上由溴化银和/或碘溴化银制成:其中Z 表示形成可以具有取代基的含氮杂环所必需的一组非金属原子; X是氢原子或与彩色显影剂的氧化产物反应时能够被除去的取代基; R为氢原子或取代基。
    • 8. 发明申请
    • MULTICOLOR PHOSPHORESCENT ORGANIC ELECTROLUMINESCENT ELEMENT AND LIGHTING SYSTEM
    • 多晶硅有机电致发光元件和照明系统
    • US20100026175A1
    • 2010-02-04
    • US12519075
    • 2007-11-13
    • Tomoyuki NakayamaHiroshi KashiwagiYoriko NakayamaShigeru Kojima
    • Tomoyuki NakayamaHiroshi KashiwagiYoriko NakayamaShigeru Kojima
    • H01J1/63
    • C09K11/06C09K2211/1007C09K2211/1014C09K2211/1029C09K2211/1044C09K2211/1048C09K2211/1059C09K2211/185H01L51/0059H01L51/0071H01L51/0072H01L51/0073H01L51/0085H01L51/5036H05B33/14
    • This invention provides a multicolor phosphorescent organic electroluminescent element having an excellent electric power efficiency, a prolonged service life, an excellent storage stability, and an excellent stability of chromaticity against drive current, and a lighting system using the multicolor phosphorescent organic electroluminescent element. The multicolor phosphorescent organic electroluminescent element contains a plurality of phosphorescent dopants different from each other in luminescence wavelength and particularly exhibits white luminescence. Specifically, the multicolor phosphorescent organic electroluminescent element contains two or more phosphorescent dopants different from each other in luminescence wavelength and comprises two or more luminescent layers, the luminescent dopant being a phosphorescent dopant. The multicolor phosphorescent organic electroluminescent element is characterized in that at least one layer formed of luminescent layer A containing two or more phosphorescent dopants different from each other in luminescence wavelength in the same layer is provided, the content of the luminescent dopant having the highest concentration used in the luminescent layer A is not less than 4% by mass and not more than 20% by mass, and luminescent layer B having a maximum luminescence wavelength of not more than 480 nm is provided at a position near the cathode side as compared with the luminescent layer A.
    • 本发明提供一种多色磷光有机电致发光元件,其具有优异的电力效率,延长的使用寿命,优异的储存稳定性和优异的色温对驱动电流的稳定性,以及使用该多色磷光有机电致发光元件的照明系统。 多色磷光有机电致发光元件在发光波长中含有彼此不同的多个磷光掺杂剂,特别是显示白色发光。 具体地,多色磷光有机电致发光元件在发光波长中含有彼此不同的两种或更多种磷光掺杂剂,并且包含两个或更多个发光层,发光掺杂剂是磷光掺杂剂。 多色磷光有机电致发光元件的特征在于,在同一层中,由发光层A形成的至少一层由发光波长彼此不同的两种以上的磷光掺杂剂构成,使用浓度最高的发光掺杂剂的含量 在发光层A中,不少于4质量%且20质量%以下,与阴极侧相比,在阴极侧附近的位置设置有最大发光波长为480nm以下的发光层B 发光层A.