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    • 1. 发明申请
    • WHITE LIGHT EMITTING ORGANIC ELECTROLUMINESCENT ELEMENT
    • 白光发光有机电致发光元件
    • US20120086331A1
    • 2012-04-12
    • US13378813
    • 2010-06-17
    • Yasunobu KobayashiKunimasa Hiyama
    • Yasunobu KobayashiKunimasa Hiyama
    • H05B33/14
    • H01L51/56H01L51/0042H01L51/0085H01L51/504H01L2251/5338H01L2251/5346H05B33/145
    • Provided is a white light-emitting organic EL element wherein a flexible plastic substrate is used, but the resistance to negative effects caused by the flexibility is excellent; a removal of a light emitting layer interface caused by folding the element and a contact failure do not tend to occur, and the drive voltage can be reduced. The white light-emitting organic EL element is formed by providing at least two layers, i.e., a light emitting layer (A) and a light emitting layer (B) on the plastic substrate. The white light-emitting organic EL element is characterized in that the light emitting layer (A) contains more than three kinds of luminescent dopants including a red luminescent dopant, a green luminescent dopant, and a blue luminescent dopant; the light emitting layer (B) contains the blue luminescent dopant; the light emitting layer (A) and the light emitting layer (B) are adjacent to each other, the light emitting layer (A) is formed on the side adjacent to the positive electrode, and the light emitting layer (B) is formed on the side adjacent to the negative electrode; and a mixed area is provided between the light emitting layer (A) and the light emitting layer (B).
    • 提供了使用柔性塑料基板的白色发光有机EL元件,但是由柔性引起的对负面效果的抵抗性优异; 不会发生通过折叠元件而引起的发光层界面的消除和接触故障,并且可以降低驱动电压。 白色发光有机EL元件通过在塑料基板上设置至少两层即发光层(A)和发光层(B)而形成。 白色发光有机EL元件的特征在于,发光层(A)含有三种以上的发光掺杂剂,包括红色发光掺杂剂,绿色发光掺杂剂和蓝色发光掺杂剂; 发光层(B)含有蓝色发光掺杂剂; 发光层(A)和发光层(B)彼此相邻,发光层(A)形成在与正极相邻的一侧,并且发光层(B)形成在 靠近负极的一侧; 并且在发光层(A)和发光层(B)之间设置混合区域。
    • 4. 发明授权
    • Silver halide photographic light-sensitive material
    • 卤化银照相感光材料
    • US06171774B2
    • 2001-01-09
    • US09189194
    • 1998-11-09
    • Kunimasa HiyamaKazuhiro Murai
    • Kunimasa HiyamaKazuhiro Murai
    • G03C108
    • G03C7/3013G03C1/385G03C7/367G03C7/39216G03C7/396
    • A silver halide photographic light sensitive material is disclosed. The light-sensitive material comprises a support having thereon a yellow dye image-forming emulsion layer, a magenta dye image-forming emulsion layer, and a cyan dye image-forming emulsion layer and optionally a light-insensitive layer, in which said yellow image-forming emulsion layer contains a yellow dye-forming coupler represented by Formula I and an organic solvent-soluble polymer, and a light-sensitive or light-insensitive layer each adjoined to the yellow image forming emulsion layer contains a polymer which have a constituting unit represented by Formula II; wherein RA is an alkyl group or a cycloalkyl group, RB is a halogen atom or an alkoxy group, RC is a group capable of being a substituent of the benzene group, m is an integer of from 0 to 40, and Z is a releasing group;
    • 公开了一种卤化银照相感光材料。 感光材料包括其上具有黄色染料影像形成乳剂层,品红染料影像形成乳剂层和青色染料影像形成乳剂层以及可选的不透光层的支持体,其中所述黄色图像 形成乳剂层含有由式I表示的黄色染料成色剂和有机溶剂可溶性聚合物,并且与黄色图像形成乳剂层相邻的感光或光不敏感层含有具有构成单元的聚合物 由式II表示;其中RA是烷基或环烷基,RB是卤素原子或烷氧基,RC是能够作为苯基的取代基的基团,m是0-40的整数, Z是释放组;
    • 9. 发明授权
    • Organic electroluminescence element and illumination device using the same
    • 有机电致发光元件及其使用的照明装置
    • US08686630B2
    • 2014-04-01
    • US13146149
    • 2010-02-03
    • Kunimasa HiyamaYasuo TaimaTakeshi Ono
    • Kunimasa HiyamaYasuo TaimaTakeshi Ono
    • H01L51/52
    • H05B33/28H01L51/5262H01L51/5268H05B33/22
    • Disclosed are an organic electroluminescence element with significantly improved light extraction efficiency and improved film properties and an illumination device that uses said element. The organic electroluminescence element has a transparent electrode, an organic electroluminescence layer, and a cathode sequentially stacked on a transparent base material. The element is characterized in that the transparent base material is a transparent resin film, there is a hard coat layer on both sides, the respective refractive indices satisfy the expressions (1)-(4), and there is a function to scatter light to the light emission side with respect to the organic electroluminescence layer. Expression (1): −0.2≦n(H1)−n(A)≦0.2, Expression (2): −0.1≦n(H1)−n(B)≦0.1, Expression (3): −0.1≦n(H2)−n(B)≦0.1, Expression (4): −0.1≦n(H1)−n(H2)≦0.1. In the expressions, n(A) is the refractive index of the transparent electrode; n(H1) is the refractive index of the hard coat layer (on the transparent electrode side); n(H2) is the refractive index of the hard coat layer (on the side opposite the transparent electrode); and n(B) is the refractive index of the transparent resin film.
    • 公开了具有显着提高的光提取效率和改进的膜性质的有机电致发光元件以及使用所述元件的照明装置。 有机电致发光元件具有依次层叠在透明基材上的透明电极,有机电致发光层和阴极。 该元件的特征在于,透明基材为透明树脂膜,两面为硬涂层,各折射率满足式(1)〜(4),并且具有将光分散到 相对于有机电致发光层的发光侧。 表达式(1):-0.2≦̸ n(H1)-n(A)≦̸ 0.2,式(2):-0.1≦̸ n(H1)-n(B)≦̸ 0.1,式(3) 0.1和nlE; n(H2)-n(B)≦̸ 0.1,表达式(4):-0.1≦̸ n(H1)-n(H2)≦̸ 在表达式中,n(A)是透明电极的折射率; n(H1)是硬涂层(透明电极侧)的折射率; n(H2)是硬涂层(与透明电极相对的一侧)的折射率; n(B)是透明树脂膜的折射率。