| 摘要 |
The present invention relates to a liquid crystal display device and to an integrated optical sheet with improved optical efficiency and a liquid crystal display device including the same. The present invention has a characteristic of interposing the integrated optical sheet, forming a diffusion sheet and a first and a second condensing sheet, onto an upper part of a light guide plate, thereby making a modularization process for the liquid crystal display device convenient to reduce working process time, so it can enhance process efficiency. Additionally, the present invention may prevent a sheet deformation like being wrinkled even in a hot and humid environment as the strength of the integrated optical sheet is enhanced, and through this, form the liquid crystal device which is light and thin because the optical sheet need not be formed to be thick. Particularly, the present invention forms a structure on a surface of the diffusing sheet to prevent an occurrence of a problem that beads of the diffusing sheet are impregnated by an adhesion layer even though the diffusion sheet and the first and the second condensing sheet are integrally formed via the adhesion layer, thereby preventing an occurrence of a problem of lowering a diffusion performance of the diffusion sheet as the beads are impregnated. Additionally, the present invention forms an air gap between a second adhesion layer and an optical diffusing layer by the structure, thereby more enhancing a surface diffusion function of the optical diffusing layer. |
