The design theory of Estar LGP is derived from the LCD of notebook computer, which is hi-tech product turned line source into area source. Estar LGP use Optical acryl for basic material. It was made by using back light module technology of LCD and notebook computer, permeating lead light spot’s all light rates, in addition, with an aesthetic design, giving pictures and photos a perfect color temperature with even lighting. It is adopted the spectral analysis theory and digital UV printing technique and manufactured under the environmental condition of constant temperature,constant humidity, dustless. It has brilliance characteristics like super-thin, super-light, even light, economize on energy, environmental protection, non-dark space, durable, hard etiolation, easy installation and maintain.