发明人：
NAKAJIMA, HIROYUKI | TANAKA, KIMIO | HIGASHI, SHUJI | FUJII, TATSUO
摘要：
The present invention provides a superior light-storing printed article, which includes a light-storing printed layer comprising 50-80 wt % of light-storing pigment having D50=22-35 mu m and D90=58-80 mu m based on the total amount of the light-storing pigment and the binder, and the thickness of the printed layer being 50-150 mu m.
权利要求：
What we claimed is:
1. A printed article including an article and a light-storing printed layer on the front side of said article, said light-storing printed layer containing 50-80 wt % of light-storing pigment and a balance binder, said pigment having D50=22-35 .mu.m and D90=58-80 .mu.m, and the thickness of the printed layer being 50-150 .mu.m.
2. A printed article including an article and a light-storing printed layer on the front side of said article according to claim 1, wherein said printed article further includes a writable printed layer of a transparent or translucent material which provides a receptive surface for writing, formed on the light-storing printed layer.
3. A printed article including an article and a light-storing printed layer on the front side of said article according to claim 1, wherein said printed article further includes a light reflective layer on the rear side of the light-storing printed layer.
4. A printed article including an article and a light-storing printed article on the front side of said article according to claim 2, wherein said printed article further includes a light reflective layer on the rear side of the light-storing printed article.
5. A printed article including an article and a light-storing printed layer on the article according to claim 2, or 4, wherein said printed article is a label sheet to be affixed to an object, said label sheet having an adhesive layer and release paper on the rear side of a label sheet substrate and also having said light-storing printed layer formed closer to the front side of the substrate than the adhesive layer, the writable printed layer is formed closer to the front side than the light-storing printed layer, said writable printed layer enabling the user to see at least a part of said light-storing printed layer through said writable printed layer.
6. A printed article including an article and a light-storing printed article on the article according to claim 2, or 4, wherein said printed article is a label sheet having an adhesive layer and release paper on the rear side of said label sheet substrate which consists of a paper or film sheet and also having said light-storing layer on the front side of the substrate, said writable printed layer printed with a transparent or translucent writable ink formed on at least a part of the light-storing printed layer.
7. A printed article including an article and a light-storing printed article on the article according to claim 2, or 4, wherein said printed article is a label sheet having said light-storing printed layer on a label sheet substrate which consists of a transparent or translucent film sheet and also having an adhesive layer and release paper on the rear side of the substrate, the light-storing printed layer is provided on the rear side of the label sheet substrate, the adhesive layer is so provided as to cover at least a part of the light-storing printed layer, and a writable printed layer printed with a transparent or translucent writable ink is formed on at least a part of the front side of the label substrate.
8. A printed article including an article and a light-storing printed article on the article according to claim 2, or 4, wherein said writable printed layer is a printed layer from an ink containing a binder and one of the powders of the group consisting of protein, silica and wooden cellulose powders.
9. A printed article according to claim 1 including an article and a light-storing printed article on the article, wherein said article comprises a first label sheet and a second label sheet in combination, said first label sheet consisting of a label sheet substrate which consists of a paper or film sheet, said light-storing layer printed on the front side of the substrate, an adhesive layer on the rear side of said substrate and a release sheet formed on the rear side of the adhesive layer, said second label sheet consisting of a transparent or translucent film sheet substrate, a printed writable layer printed on the front side of said film sheet substrate with an ink which permits writing, and an adhesive layer on the rear side of said film sheet substrate which is attached to the surface of said light-storing layer.
10. A printed article including an article and a light-storing printed article on the article according to claim 3, wherein said article is a tape cassette, said light reflective layer is formed on an area of said cassette which can be seen from outside, and said light-storing printed layer is formed on said light reflective layer.
11. A printed article according to claim 10, wherein a writable printed layer is formed on said light-storing printed layer.
12. A printed article according to claim 10, wherein said article is a tape cassette comprising a case and a liner sheet within said case inserted between a wound tape and and an inner wall of said case, said reflective layer is formed on the liner sheet in an area which can be seen through a transparent portion of said case, and said light-storing printed layer is formed on said reflective layer.
13. A printed article according to claim 10, wherein said area which can be seen from outside is in an area on the outer surface of said cassette, and said light reflective layer and said light-storing layer are formed directly on said area.
14. A printed article according to claim 10, wherein said area which can be seen from outside is in an area on the outer surface of said cassette, and said light reflective layer and said light-storing layer are formed on said area, said reflective layer being provided with an adhesive layer on the rear side on a release sheet which has been peeled.
15. A printed article according to claim 12, wherein a writable label which is transparent or translucent is attached to a portion of said case through which said light-storing layer can be seen.