山东瑞丰广告制品研究所研制开发的新一代高科技广告产品。与传统超薄灯箱和普通灯箱相比，由于采用了最新的一直致力于导光板超薄灯箱的开发研究，针对目前国内外流行趋势，利用先进的侧光技术，已研制开发了9款实用新型的单面和双面结构的型材，开启式、悬挂式、看板式、立柱及圆弧等多种不同外型设计、不同材质的高亮度超薄灯箱。以其光线均匀、高亮度、美观、省电、超薄（10-72mm）、安装方便、易维修等优点，成为广告界新宠。
利达LITAD超薄灯箱节能灯箱的主要特点为：
1、外观精美，超薄超轻。灯箱最薄可薄至2厘米，最轻可轻至0.5kg;
2、比传统灯箱节能70%以上。国际领先的照明工艺技术，使光照更集中，更高效节能；
3、独有灯箱防闪动功能，灯管使用寿命更长；
4、变线光源为面光源，光照度更为均匀、更柔和、视觉更舒适；
5、自然光线拟真色彩设计，图像更加逼真悦目，视觉效果更加卓越；
6、高科技导光板技术设计，其原理及效果可媲美笔记本电脑的LCD显示器；
7、充分利用材料的逆光透射特性，光释出率高，光线传播更均匀、自然；
8、快速开启设计，更换灯片更简单、更快捷；
LITAD ULTRA-THIN LIGHT PANEL
In accordance with international tendency of light source design, all the function target of the ultra-thin lamp house reach.the international advanced standard. The main characteristics as follows:
1.Exquisite appearance, ultra-thin and ultra-light, the minimum thickness is 20mm and the minimum weight is 0.5 kilogram.
2.Compared to the traditional lamp house ,the ultra-thin lamp house can save electricity of more than 70% energy .Because the illuminating technique is in the lead level in the world, it makes the light shines more extensively and save energy effectively .
3.The exclusive function of flash-prevention lengthens the life span of the light tube .　
4.It transforms the linear beam to plain light. Lighting is more even and gentle. The outlook is more delicate.
5.The performance is more reliable and visual effect is remarkable.
6.The guide light plate is designed with high technology .It has the same principle and effect as the LCD monitor of notebook computer.
7.The material we used can transmit the regressive light, so we make a full use of this peculiarity character to spread rays more even and naturally .
8.Fast opening ,easy to change pictures.