Shortsightedness prevention books and printing technology
A technology for preventing myopia and books, which is applied in printing, bookkeeping, toys, etc. It can solve the problems of increasing technology, unusable white paper, and increasing the burden on students and parents, achieving significant curative effect and reducing manufacturing costs.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0022] Embodiment 1: See Fig. 1 a kind of exercise book for students. Including the page 1 assembled into the exercise book, there is a background color 2 between the exercise frame printed on the exercise book page 1 and the exercise book page 1. The base color 2 covers 80% of the exercise book page 1, and the four sides of the table are the primary colors of the paper. The base color 2 spectral wavelength is 550-560nm.
Embodiment 2
[0023] Embodiment 2: An exercise book for students. Including the page 1 assembled into the exercise book, there is a background color 2 between the exercise frame printed on the exercise book page 1 and the exercise book page 1. The base color covers 100% of the book page. The wavelength of the background color spectrum is 530-580nm. The background color 2 in the same page can be multi-colored, from light to dark in white, yellow and green.
Embodiment 3
[0024] Embodiment 3: the printing process of myopia prevention student's exercise book comprises:
[0025] A. Typesetting and plate making;
[0026] B. Modulation of ink; the deployment method of ink: 80% of yellow ink, 15% of red ink, and 5% of the rest.
[0027] C. Printing; the minimum number of printings is one time; all screens are printed on page 1; the number of printing dot lines is 24-80 lines / cm. The coverage of the printing dot area is between 0-50%.
[0028] D. Binding into a book. The base color 2 of page 1 assembled into a booklet is multi-colored in the same book.
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More 