公开(公告)号：US6159674A

公开(公告)日：2000-12-12

申请号：US473911

申请日：1999-12-28

申请人： James L. Edwards

发明人： James L. Edwards

IPC分类号： G03C7/20 ,  G03C1/035 ,  G03C1/09 ,  G03C1/12 ,  G03C1/79 ,  G03C7/30 ,  G03C7/34 ,  G03C7/38 ,  G03C1/73

CPC分类号： G03C7/30 ,  G03C1/09 ,  G03C7/3022 ,  G03C7/3041 ,  G03C2001/03517 ,  G03C2001/03594 ,  G03C2001/091 ,  G03C2001/093 ,  G03C2001/096

摘要： Disclosed is a color photographic element comprising at least four imaging layers including:a first light sensitive silver halide imaging layer having associated therewith a cyan image dye-forming coupler;a second light sensitive silver halide imaging layer having associated therewith a magenta image dye-forming coupler;a third light sensitive silver halide imaging layer having associated therewith a yellow image dye-forming coupler; anda fourth light sensitive silver halide imaging layer having associated therewith a fourth image dye-forming coupler for which the normalized spectral transmission density distribution curve of the dye formed by the fourth image dye-forming coupler upon reaction with color developer has a CIELAB hue angle, h.sub.ab, of from not less than 355.degree. to not more than 75.degree.. The element provides improved color gamut.

摘要翻译： 公开了一种包括至少四个成像层的彩色照相元件，包括：第一感光卤化银成像层，其具有与其形成青色成像成像剂; 第二感光卤化银成像层，其具有与品红成像染料形成成色剂相关联的第二感光卤化银成像层; 第三感光卤化银成像层，其具有黄色成像染料成色剂; 和第四感光卤化银成像层，其具有与第四图像染料形成成色剂相关联的第四图像染料形成成色剂，由第四图像染料形成成色剂与彩色显影剂反应形成的染料的归一化光谱透射密度分布曲线具有CIELAB色调角 ，不小于355度至不大于75度。 该元素提供了改进的色域。

公开(公告)号：US6143482A

公开(公告)日：2000-11-07

申请号：US129358

申请日：1998-08-05

申请人： Lois A. Buitano ,  Allan F. Sowinski ,  Steven G. Link

发明人： Lois A. Buitano ,  Allan F. Sowinski ,  Steven G. Link

IPC分类号： G03C7/20 ,  G03C1/18 ,  G03C1/29 ,  G03C7/30 ,  G03C1/46

CPC分类号： G03C7/3041 ,  G03C1/29 ,  G03C1/18 ,  G03C7/3022

摘要： A photographic element comprises: a support and, coated on the support, a plurality of hydrophilic colloid layers, including radiation-sensitive silver halide emulsion layers, forming layer units for separately recording blue, green and red exposures, wherein, the red recording layer unit is comprised of at least one green-red sensitive emulsion having a peak dyed absorptance of between about 525 and about 600 nm, an overall half-peak absorptance bandwidth of between about 70 and about 150 nm, and a ratio of the bandwidths at 80% of peak absorptance to 50% of peak absorptance of greater than or equal to about 0.25.In preferred embodiments of the invention, the photographic element is especially suited for more accurately recording scenes according to the human visual system.

摘要翻译： 照相元件包括：支撑体，并且在支撑体上涂覆多个亲水胶体层，包括辐射敏感的卤化银乳剂层，形成用于分别记录蓝色，绿色和红色曝光的层单元，其中红色记录层单元 由至少一种具有约525至约600nm的峰值染料吸收率，约70至约150nm的总体半峰值吸收带宽以及带宽在80％的比例的至少一种感绿乳剂， 峰吸收率达到峰值吸收率的50％大于或等于约0.25。 在本发明的优选实施例中，照相元件特别适用于根据人类视觉系统更准确地记录场景。

公开(公告)号：US6114104A

公开(公告)日：2000-09-05

申请号：US389175

申请日：1999-09-02

申请人： Satoshi Masumi ,  Shigeo Tanaka

发明人： Satoshi Masumi ,  Shigeo Tanaka

IPC分类号： G03C7/00 ,  G03C1/00 ,  G03C1/485 ,  G03C1/83 ,  G03C7/20 ,  G03C7/30 ,  G03C7/38 ,  G03F3/10 ,  G03C1/20

CPC分类号： G03F3/107 ,  G03C7/381 ,  G03C1/832 ,  G03C7/3003 ,  G03C7/3835 ,  Y10S430/141

摘要： A direct positive silver halide photographic light sensitive material is disclosed, having yellow, magenta and cyan image forming units, wherein at least one of the color image forming units contains at least two internal latent image forming silver halide emulsions which are different in a factor of contribution to image formation, a silver halide emulsion having a lower factor of contribution to image formation having a part common to sensitivity of a silver silver halide emulsion contained in one of the other two image forming units, and the photographic material is subjected to exposure, based on digitized image information.

摘要翻译： 公开了一种具有黄色，品红色和青色成像单元的直接正性卤化银照相感光材料，其中至少一种彩色图像形成单元含有至少两种内部潜像形成卤化银乳剂，其中， 对图像形成的贡献，具有对成像的贡献较小因子的卤化银乳剂和其他两个图像形成单元之一中含有的卤化银乳剂的敏感性的一部分和照相材料进行曝光， 基于数字化图像信息。

公开(公告)号：US5981154A

公开(公告)日：1999-11-09

申请号：US939268

申请日：1997-09-29

申请人： Yasuo Tosaka ,  Susumu Ohkawachi ,  Masayuki Sasagawa

发明人： Yasuo Tosaka ,  Susumu Ohkawachi ,  Masayuki Sasagawa

IPC分类号： G03C7/20 ,  G03C1/485 ,  G03C1/79 ,  G03C1/91 ,  G03C7/30 ,  G03F3/10 ,  G03C1/46

CPC分类号： G03C7/3041 ,  G03F3/107 ,  G03C1/79 ,  G03C7/3022 ,  Y10S430/145

摘要： A silver halide color photographic material is disclosed which comprises a support and provided thereon, a first silver halide emulsion layer comprising at least one yellow image forming silver halide emulsion, a second silver halide emulsion layer comprising-at least one magenta image forming silver halide emulsion and a third silver halide emulsion layer comprising at least one cyan image forming silver halide emulsion, wherein at least one of said first, second and third silver halide emulsion layers further contains a fourth silver halide emulsion, each one of said first, second, third and fourth silver halide emulsions has a spectral sensitivity wavelength region at least six times higher than that in the wavelength region of the other three emulsions, and said fourth silver halide emulsion gives an optical density after development of 0.7 or more.

摘要翻译： 公开了一种卤化银彩色照相材料，其包括载体并在其上提供包含至少一种黄色图像形成卤化银乳剂的第一卤化银乳剂层，第二卤化银乳剂层，其包含至少一种品红色图像形成卤化银乳剂 和包含至少一种青色成像卤化银乳剂的第三卤化银乳剂层，其中所述第一，第二和第三卤化银乳剂层中的至少一种还包含第四卤化银乳剂，所述第一，第二，第三 和第四卤化银乳剂的光谱灵敏度波长区域比其它三种乳液的波长区域的光谱灵敏度波长区域高至少六倍，并且所述第四卤化银乳剂在显影0.7以上后给出光密度。