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    • 3. 发明申请
    • WHITE ORGANIC ELECTROLUMINESCENT ELEMENT AND LIGHTING DEVICE
    • 白色有机电致发光元件和照明设备
    • US20100127246A1
    • 2010-05-27
    • US12595921
    • 2008-04-04
    • Yoriko NakayamaTomoyuki NakayamaKunimasa HiyamaShigeru Kojima
    • Yoriko NakayamaTomoyuki NakayamaKunimasa HiyamaShigeru Kojima
    • H01L51/54H01L51/52
    • H05B33/14C09K11/06C09K2211/1029C09K2211/1044C09K2211/1092C09K2211/185H01L51/0071H01L51/0072H01L51/0085H01L51/0086H01L51/0087H01L51/0088H01L51/5016H01L51/5036Y02B20/181
    • Disclosed is a white light-emitting organic electroluminescent device, which is excellent in stability of emission chromaticity over a long operation period, while having high electrical efficiency, long life, excellent storage stability and excellent color rendering properties. Also disclosed is an illuminating device using such an organic electroluminescent device. Specifically disclosed is an organic electroluminescent device having a light-emitting layer between an anode and a cathode, which is characterized by comprising a light-emitting layer A having a maximum emission wavelength of not more than 480 nm and containing a phosphorescent dopant having a maximum emission wavelength of not more than 480 nm, and a light-emitting layer B arranged between the light-emitting layer A and the anode, which has a maximum emission wavelength of not less than 510 nm and contains a phosphorescent dopant. This organic electroluminescent device is also characterized in that the concentration of the phosphorescent dopant contained in the light-emitting layer A varies in the thickness direction of the light-emitting layer A. Also specifically disclosed is an illuminating device using such a white light-emitting organic electroluminescent device.
    • 公开了一种白色发光有机电致发光器件,其具有高的电效率,长寿命,优异的储存稳定性和优异的显色性,其在长的操作期间的发光色度的稳定性优异。 还公开了使用这种有机电致发光器件的照明装置。 具体公开了一种在阳极和阴极之间具有发光层的有机电致发光器件,其特征在于包括具有最大发射波长不大于480nm并且含有最大发光波长的磷光掺杂剂的发光层A 发光波长不大于480nm,发光层B布置在发光层A和阳极之间,其发射波长不小于510nm,并且含有磷光掺杂剂。 该有机电致发光器件的特征还在于,发光层A中所含的磷光掺杂剂的浓度在发光层A的厚度方向上变化。具体公开了使用这种白色发光 有机电致发光器件。
    • 5. 发明授权
    • White organic electroluminescent element and lighting device
    • 白色有机电致发光元件和照明装置
    • US09006711B2
    • 2015-04-14
    • US12595921
    • 2008-04-04
    • Yoriko NakayamaTomoyuki NakayamaKunimasa HiyamaShigeru Kojima
    • Yoriko NakayamaTomoyuki NakayamaKunimasa HiyamaShigeru Kojima
    • H01L29/08H05B33/14C09K11/06H01L51/00H01L51/50
    • H05B33/14C09K11/06C09K2211/1029C09K2211/1044C09K2211/1092C09K2211/185H01L51/0071H01L51/0072H01L51/0085H01L51/0086H01L51/0087H01L51/0088H01L51/5016H01L51/5036Y02B20/181
    • Disclosed is a white light-emitting organic electroluminescent device, which is excellent in stability of emission chromaticity over a long operation period, while having high electrical efficiency, long life, excellent storage stability and excellent color rendering properties. Also disclosed is an illuminating device using such an organic electroluminescent device. Specifically disclosed is an organic electroluminescent device having a light-emitting layer between an anode and a cathode, which is characterized by comprising a light-emitting layer A having a maximum emission wavelength of not more than 480 nm and containing a phosphorescent dopant having a maximum emission wavelength of not more than 480 nm, and a light-emitting layer B arranged between the light-emitting layer A and the anode, which has a maximum emission wavelength of not less than 510 nm and contains a phosphorescent dopant. This organic electroluminescent device is also characterized in that the concentration of the phosphorescent dopant contained in the light-emitting layer A varies in the thickness direction of the light-emitting layer A. Also specifically disclosed is an illuminating device using such a white light-emitting organic electroluminescent device.
    • 公开了一种白色发光有机电致发光器件,其具有高的电效率,长寿命,优异的储存稳定性和优异的显色性,其在长的操作期间的发光色度的稳定性优异。 还公开了使用这种有机电致发光器件的照明装置。 具体公开了一种在阳极和阴极之间具有发光层的有机电致发光器件,其特征在于包括具有最大发射波长不大于480nm并且含有最大发光波长的磷光掺杂剂的发光层A 发光波长不大于480nm,发光层B布置在发光层A和阳极之间,其发射波长不小于510nm,并且含有磷光掺杂剂。 该有机电致发光器件的特征还在于,发光层A中所含的磷光掺杂剂的浓度在发光层A的厚度方向上变化。具体公开了使用这种白色发光 有机电致发光器件。
    • 7. 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。