| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a black matrix(BM) material having high resistance and a particle diameter as large as that of an inorganic pigment for a color filter. SOLUTION: A black matrix(BM) 21 and color filters are placed inside of an anode substrate 4 of an envelope 2, a light transmissive insulating layer 20 is over them, and anode conductors 6 and phosphor layers 7 are over it. A field emission element is inside of a cathode substrate 3. Electrons emitted by an emitter 13 of the field emission element 9 make the phosphor layers emit light. Inorganic pigments, (Co-Al)O, (Ti-Ni-Co-Zn)O,α-Fe2O3 for color filters of red, green, and blue with higher resistance than that of a black pigment and area resistance of approximately 1011Ω/m2 are mixed up to provide a material for the BM. The BM of the material has as large resistance as inorganic pigments for color filters, insulation with the anode conductor is retained by a thin insulator layer 20 of 15μm. The BM is also formed at a high voltage FED to improve display contrast. The BM and color filters have the same particle diameter to increase adhesion force at the overlapping parts for preventing them from peeling off.</p> |
