Organic el device, color filter, and organic el display
AssigneeDai Nippon Printing Co., Ltd.
InventorNorihisa Moriya
Life of this patent
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Abstract
An organic EL device includes an organic EL emitter (2) that emits blue light and a blue color filter (8B) through which the light emitted from the organic EL emitter passes. The blue color filter contains a coloring material selected from the group consisting of a methine dye, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment. The chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, is in the range defined by lines connecting three chromaticity coordinates (0.140, 0.080), (0.136, 0.040), and (0.118, 0.070) on the CIE chromaticity diagram.
Claims3
An organic EL device comprising:
- an organic EL emitter that emits blue light;
- and
- a blue color filter through which the light emitted from the organic EL emitter passes,
- wherein the blue color filter includes a coloring material selected from the group consisting of a methine dye, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment, and
- wherein the chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, falls in the range defined by lines connecting three chromaticity coordinates (0.140, 0.080), (0.136, 0.040), and (0.118, 0.070) on the CIE chromaticity diagram.
A color filter to be combined with an organic EL emitter that emits blue light so as to compose an organic EL device,
- the color filter comprising:
- a binder resin;
- and
- a coloring material selected from the group consisting of a methine dye, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment,
- wherein the chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, falls in the range defined by lines connecting three chromaticity coordinates (0.140, 0.080), (0.136, 0.040), and (0.118, 0.070) on the CIE chromaticity diagram.
An organic EL display comprising:
- an organic EL device that emits red light;
- an organic EL device that emits green light;
- and
- an organic EL device that emits blue light,
- wherein the organic EL device that emits blue light includes:
- an organic EL emitter that emits blue light;
- and a blue color filter through which the light emitted from the organic EL emitter passes,
- wherein the blue color filter includes a coloring material selected from the group consisting of a methine dye, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment, and
- wherein the chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, falls in the range defined by lines connecting three chromaticity coordinates (0.140, 0.080), (0.136, 0.040), and (0.118, 0.070) on the CIE chromaticity diagram.
Dependencies are inferred from the claim text.