PEN Generations Inc. Patent applications |
Patent application number | Title | Published |
20150293614 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC PEN SYSTEM USING SAME - Disclosed herein are a liquid crystal display device and an electronic pen system using the same. The liquid crystal display device includes an infrared reflection layer configured to reflect infrared irradiated thereto, the infrared reflection layer including an information pattern having virtual grid lines and a plurality of marks; and a liquid crystal layer formed on the infrared reflection layer and configured to be changed an orientation of liquid crystal molecules by an external pressure. | 10-15-2015 |
20150198751 | OPTICAL FILM AND DIGITAL PEN SYSTEM USING THE SAME - An optical film and a digital pen system using the same are provided. The optical film includes a film layer including a fine structure, a coating layer coated on the fine structure and having an infrared ray scattering property, and a matching layer laminated above or below the film layer and having a refractive index matching a refractive index of the fine structure within a predetermined error range. | 07-16-2015 |