| Patent application number | Description | Published |
|---|
| 20080201999 | Display device - Provided is a display device that does not require a backlight unit coupled to a display panel. The display device displays an image using natural light by disposing a display panel on the window. An auxiliary light source can be disposed to complement a change of the natural light. The display device can further include a sensor for sensing a change of the natural light, and a controller for controlling the auxiliary light source in response to a signal sensed by the sensor to obtain constant brightness set to the display panel. Therefore, since the display device does not require a backlight unit and a driving circuit unit for driving the backlight unit, the display device has reduced power consumption, a slim and lightweight profile, and a simple structure. Also, the display device complements a change of the natural light using the auxiliary light source to obtain constant light intensity, so that image quality of the display panel can be enhanced. | 08-28-2008 |
| 20080252618 | Display having infrared edge illumination and multi-touch sensing function - A touch-sensing display screen includes an upper transparent substrate, a lower substrate opposite the upper substrate and an infrared light source configured to illuminate a portion of the upper transparent substrate. A light converting layer is disposed between the upper and lower substrate and is configured to convert the infrared light received by the upper transparent substrate to visible light. A pixel thin-film transistor on the lower substrate is configured to activate a pixel electrode, and a light-sensing thin-film transistor is configured to sense the visible light provided by the light converting layer. A light-sense signal is output in response to activation of the light-sensing thin-film transistor. | 10-16-2008 |
| 20110096264 | COLOR MIXING LENS AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having light receiving recesses which respectively house light emission diodes formed at a side surface thereof for positioning at least two light emission diodes at the side surface for producing color lights different from each other, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a top surface thereof. | 04-28-2011 |
| Patent application number | Description | Published |
|---|
| 20080238911 | Apparatus and method for controlling picture quality of flat panel display - An apparatus and method for controlling picture quality of a flat panel display. The apparatus for controlling picture quality of the flat panel display includes a position determining unit which determines a display position of digital video data; a gray-level determining unit which determines a gray-level value of the digital video data; and a frame rate control unit that disperses a plurality of dither patterns determined by a compensation value for compensating for brightness in a boundary between the panel defect region and the non-defect region during a plurality of frame periods and controls data, which will be displayed in the boundary, by the compensation value, if the digital video data is determined to the data which will be displayed in the boundary between the panel defect region and the non-defect region according to the determined result of the position determining unit. | 10-02-2008 |
| 20100095860 | PRINTING SYSTEM AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A printing system comprises a moving rail, a cliché plate and a substrate positioned on the moving rail, a printing roller that transcribes a pattern material on the substrate by passing through the cliché plate. The printing system further comprises a cleaning unit that cleans the cliché plate. | 04-22-2010 |
| 20110096272 | COLOR MIXING LENS AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for placing the light emission diodes therein respectively, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof. | 04-28-2011 |
