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    • 4. 发明专利
    • COLOR FILTER AND COLOR LIQUID CRYSTAL DISPLAY DEVICE USING THAT
    • JPH09145909A
    • 1997-06-06
    • JP29942995
    • 1995-11-17
    • FUJI PHOTO FILM CO LTD
    • HIRAI HIROYUKI
    • G03C7/12G02B5/20G02F1/1335
    • PROBLEM TO BE SOLVED: To obtain a color filter having excellent smoothness and suitable for mass production by applying a silver halide photosensitive material on a surface of a substrate opposite to the surface where a liquid crystal is applied, exposing the photosensitive material to light for patterning, color-developing and desilverizing to form a filter. SOLUTION: A silver halide photosensitive material is applied on a surface of a plastic film substrate opposite to the surface where a liquid crystal is applied. The photosensitive material is exposed to light for patterning, color- developed and desilverized to form a color filter. The substrate is required to be optically isotropic and excellent in heat resistance, dimensional stability, solvent resistance, electric insulating property, formability, low gas permeability and low moisture absorption, and for example, polyethylene terephthalate can be used. It is preferable that the silver halide photosensitive material consists of at least three silver halide emulsion layers containing couplers and having different sensitivity of colors and nonphotosensitive intermediate layers formed by coating.
    • 10. 发明专利
    • MANUFACTURE OF COLORED SOLID IMAGE PICKUP ELEMENT SUBSTRATE
    • JPS5813090A
    • 1983-01-25
    • JP11136881
    • 1981-07-16
    • FUJI PHOTO FILM CO LTD
    • SATOU MASAMICHIHASEGAWA EIICHISHIMANUKI KOUJI
    • H04N9/07G03C7/12H01L27/14H01L31/0216
    • PURPOSE:To obtain a colored solid image pickup element which is easily manufactured and inexpensive, by forming a micro-color filter directly on a solid image pickup element substrate by using the photographic technique using silver halide. CONSTITUTION:A light receiving section 14 in which picture elements are gathered and a bonding pad section 16 which is to be used for taking out a lead wire, are formed on a solid image pickup element substrate 10, and they are covered with a solvent penetration preventing layer 20. Then, a silver halide photographic emulsion layer 22 is formed on the whole surface of the solvent penetration preventing layer 20, and a micro-color filter 24 is formed on the silver halide emulsion layer 22 by performing the pattern exposure corresponding to specific picture elements of the light receiving section 14. Moreover, a blackened silver pattern 26 is formed on parts which correspond to the bonding pad section 16. Then, the whole surface is covered with a protective layer 28. After the protective layer 28 is formed, the protective layer 28 and the silver halide emulsion layer 22 at the bonding pad section 16 are removed, and thus the colored solid image pickup element is manufactured.