Patent application number | Description | Published |
20120037912 | VISIBLE SENSING TRANSISTOR, DISPLAY PANEL AND MANUFACTURING METHOD THEREOF - A display device includes an infrared sensing transistor and a visible sensing transistor. The visible sensing transistor includes a semiconductor on a substrate; an ohmic contact on the semiconductor; an etch stopping layer on the ohmic contact; a source electrode and a drain electrode on the etch stopping layer; a passivation layer on the source electrode and the drain electrode; and a gate electrode on the passivation layer. The etch stopping layer may be composed of the same material as the source electrode and the drain electrode. The infrared sensing transistor is similar to the visible sensing transistor except the etch stopping layer is absent. | 02-16-2012 |
20120188204 | TOUCH SENSING SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A touch sensing substrate includes a substrate, a first light sensing element, a second light sensing element and a first bias line. The first light sensing element includes a first gate electrode, a first active pattern overlapping with the first gate electrode, a first source electrode partially overlapping with the first active pattern and a first drain electrode partially overlapping with the first active pattern. The second light sensing element includes a second gate electrode, a second active pattern overlapping with the second gate electrode, a second source electrode partially overlapping with the second active pattern and a second drain electrode partially overlapping with the second active pattern. The first bias line is connected to the first and second gate electrodes. | 07-26-2012 |
20120228505 | OPTICAL SENSOR - An optical sensor includes a visible light sensor includes a visible light sensing transistor and an infrared light sensor includes an infrared light sensing transistor, wherein the visible light sensing transistor receives a first driving voltage through a first driving voltage line, the infrared light sensing transistor receives a second driving voltage through a second driving voltage line, and the visible light sensing transistor and the infrared light sensing transistor receive a reference voltage through a reference voltage line. | 09-13-2012 |
20120248452 | OPTICAL SENSOR - An optical sensor preventing damage to a semiconductor layer, and preventing a disconnection and a short circuit of a source electrode and a drain electrode, and a manufacturing method of the optical sensor is provided. The optical sensor includes: a substrate; an infrared ray sensing thin film transistor including a first semiconductor layer disposed on the substrate; a visible ray sensing thin film transistor including a second semiconductor layer disposed on the substrate; a switching thin film transistor including a third semiconductor layer disposed on the substrate; and a semiconductor passivation layer enclosing an upper surface and a side surface of an end portion of at least one of the first semiconductor layer, the second semiconductor layer, and the third semiconductor layer. | 10-04-2012 |
20130234142 | VISIBLE SENSING TRANSISTOR, DISPLAY PANEL AND MANUFACTURING METHOD THEREOF - A display device includes an infrared sensing transistor and a visible sensing transistor. The visible sensing transistor includes a semiconductor on a substrate; an ohmic contact on the semiconductor; an etch stopping layer on the ohmic contact; a source electrode and a drain electrode on the etch stopping layer; a passivation layer on the source electrode and the drain electrode; and a gate electrode on the passivation layer. The etch stopping layer may be composed of the same material as the source electrode and the drain electrode. The infrared sensing transistor is similar to the visible sensing transistor except the etch stopping layer is absent. | 09-12-2013 |
20140184942 | DISPLAY HAVING TOUCH SENSING FUNCTION - A panel for a display device is provided. The panel includes a first substrate, a touch sensing circuit formed on the first substrate, the touch sensing circuit including at least one sensing thin film transistor and a connection wire, and a shielding electrode formed covering at least a portion of the sensing thin film transistor and the connection wire. | 07-03-2014 |
20140211103 | DISPLAY DEVICE - Touch-related information which cannot be acquired by the naked eye (dubbed here as sub-optical pattern information) has its corresponding sub-optical patterns respectively positioned within the aperture areas of respective domains such that the displayed image, as viewed from different viewing angles is not adversely affected by the embedded sub-optical patterns. One type of touch-related information which can be conveyed is that of touch location of a sub-optical pattern sensing pen positioned over one or more of the sub-optical patterns. | 07-31-2014 |
20140218644 | VISIBLE SENSING TRANSISTOR, DISPLAY PANEL AND MANUFACTURING METHOD THEREOF - A display device includes an infrared sensing transistor and a visible sensing transistor. The visible sensing transistor includes a semiconductor on a substrate; an ohmic contact on the semiconductor; an etch stopping layer on the ohmic contact; a source electrode and a drain electrode on the etch stopping layer; a passivation layer on the source electrode and the drain electrode; and a gate electrode on the passivation layer. The etch stopping layer may be composed of the same material as the source electrode and the drain electrode. The infrared sensing transistor is similar to the visible sensing transistor except the etch stopping layer is absent. | 08-07-2014 |
20140247403 | TOUCH DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A touch display apparatus includes a base substrate, a light blocking semiconductor pattern disposed on the base substrate and configured to block a visible light and transmit an infrared light, a sensing element disposed on the light blocking semiconductor pattern and configured to detect a touch position using an incident infrared light, a driving element configured to drive the sensing element, a signal line electrically connected with the sensing element or the driving element and extending in a direction, and a wiring connecting part disposed under the signal line and including a same material as the light blocking semiconductor pattern. | 09-04-2014 |