Abstract: A composition and method of forming an internal neutral density filter on a luminescent screen assembly of a cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a glass faceplate panel of the CRT tube. The luminescent screen assembly includes a patterned light-absorbing matrix that defines three sets of fields corresponding to one of a blue region, a green region and a red region. An internal neutral density filter is formed on the light-absorbing matrix. An array of blue, green and red color phosphors is formed on the internal neutral density filter corresponding to one of the blue region, the green region and the red region defined in the light-absorbing matrix. The internal neutral density filter has a composition including a red pigment, a blue pigment and at least one non-pigmented oxide particle.

Abstract: A composition and method of forming an internal neutral density filter on a luminescent screen assembly of a cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a glass faceplate panel of the CRT tube. The luminescent screen assembly includes a patterned light-absorbing matrix that defines three sets of fields corresponding to one of a blue region, a green region and a red region. An internal neutral density filter is formed on the light-absorbing matrix. An array of blue, green and red color phosphors is formed on the internal neutral density filter corresponding to one of the blue region, the green region and the red region defined in the light-absorbing matrix. The internal neutral density filter has a composition including a red pigment, a blue pigment and at least one non-pigmented oxide particle.

Abstract: A method of manufacturing a luminescent screen assembly for a cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a faceplate panel of the CRT. The luminescent screen assembly includes a patterned light absorbing matrix that defines a first set of fields, a second set of fields, and a third set of fields. A blocking layer is formed over the second set of fields and the third set of fields. A pigment layer is then applied to the first set of fields. The blocking layer is removed from the second set of fields and the third set of fields to form a color filter in the first set of fields. Another pigment may be applied to the second set of fields to form a color filter therein.

Abstract: A method of manufacturing a luminescent screen assembly for a cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a faceplate panel of the CRT. The luminescent screen assembly includes a patterned light-absorbing matrix that defines a first set of fields, a second set of fields, and a third set of fields. A first blocking layer is formed over the second set of fields and the third set of fields. A first pigment is then applied to the first set of fields to form a first color filter. The first blocking layer is removed from the second set of fields and the third set of fields, and a second blocking layer is formed over the third set of fields and the first color filter in the first set of fields. A second pigment is then applied to the second set of fields to form a second color filter. The second blocking layer is then removed from the third set of fields and the first color filter in the first set of fields.

Abstract: A method and composition for manufacturing a luminescent screen assembly for a color cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a faceplate panel of the CRT. The luminescent screen assembly has a patterned light-absorbing matrix thereon. The matrix defines a first set of fields, a second set of fields, and a third set of fields. An aqueous pigment suspension is applied to the first set of fields. The aqueous pigment suspension comprises a pigment, one or more surface-active agents and at least one non-pigmented oxide particle. The at least one non-pigmented oxide particle has a size that is less than that of the pigment.