Patent application number | Description | Published |
20110057189 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes a lower panel including a lower substrate and a pixel transistor formed on the lower substrate; and an upper panel facing the lower panel, and including an upper substrate, a sensing transistor formed on the upper substrate, and a readout transistor connected to the sensing transistor and transmitting a signal. The readout transistor includes a first lower gate electrode formed on the upper substrate, a first semiconductor layer formed on the first lower gate electrode and overlaps the first gate electrode, and a first source electrode and a first drain electrode disposed on the first semiconductor layer. The sensing transistor includes a light blocking film disposed on the upper substrate, a second lower gate electrode contacting the light blocking film on the light blocking film, a second semiconductor layer overlapping the light blocking film on the second lower gate electrode, a second source electrode and a second drain electrode formed on the second semiconductor layer, and a second upper gate electrode overlapping the second semiconductor layer on the second source electrode and the second drain electrode. | 03-10-2011 |
20110090420 | SENSOR ARRAY SUBSTRATE, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A sensor array substrate, a display device including the sensor array substrate, and a method of manufacturing the sensor array substrate are provided. The sensor array substrate includes a substrate, a first sensor formed on a first pixel area of the substrate and configured to detect light, an overcoat layer formed on the first sensor, and a shield layer formed over the overcoat layer, wherein the shield layer overlaps the first sensor. | 04-21-2011 |
20110102385 | ANISOTROPIC CONDUCTIVE FILM, METHOD OF MANUFACTURING THE SAME AND DISPLAY APPARATUS HAVING THE SAME - An anisotropic conductive film includes a first thin film layer including concave portions, conductive balls arranged in the concave portions, insulating balls disposed on and between the conductive balls and each having a diameter smaller than the conductive balls, and a second thin film layer disposed covering the insulating balls. A display apparatus includes a pad part and a driving chip, which are electrically connected by the anisotropic conductive film. | 05-05-2011 |
20110114940 | THIN FILM DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel includes: a substrate; a gate line disposed on the substrate and including a gate electrode; a gate insulating layer disposed on the gate line; an semiconductive oxide layer disposed on the gate insulating layer; a data line disposed on the semiconductive oxide layer and including a source electrode; a drain electrode facing the source electrode on the semiconductive oxide layer; and a passivation layer disposed on the data line. The semiconductive oxide layer is patterned with chlorine (Cl) containing gas which alters relative atomic concentrations of primary semiconductive characteristic-providing elements of the semiconductive oxide layer at least at a portion where a transistor channel region is defined. | 05-19-2011 |
20110147746 | TOUCH SCREEN SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND DISPLAY PANEL INCLUDING THE TOUCH SCREEN SUBSTRATE - A touch screen substrate includes a base substrate, a first switching element and a first sensing element which senses infrared light. The first switching element includes a first switching gate electrode, a first active pattern disposed on the first switching gate electrode, a first switching source electrode disposed on the first active pattern and a first switching drain electrode disposed apart from the first switching source electrode. The first sensing element includes a first sensing drain electrode connected to the first switching source electrode, a first sensing source electrode disposed apart from the first sensing drain electrode, a second active pattern disposed below the first sensing drain electrode and the first sensing source electrode and including a first amorphous layer, a doped amorphous layer and a second amorphous layer, and a first sensing gate electrode disposed on the first sensing drain electrode and the first sensing source electrode. | 06-23-2011 |
20110169000 | DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a first light blocking pattern formed on a base substrate, a first switching element, a second light blocking pattern formed on the base substrate, and a first sensing element. The first light blocking pattern is configured to block visible light and transmit infrared light. The first switching element includes a first semiconductor pattern, a first source electrode, a first drain electrode, and a first gate electrode. The second light blocking pattern is configured to block the visible light and transmit the infrared light. The first sensing element is configured to detect the infrared light, and includes a second semiconductor pattern, a second source electrode, a second drain electrode, and a second gate electrode. | 07-14-2011 |
20110261040 | INFORMATION DETECTION DISPLAY - An information detection device includes: a plurality of light sensing units each configured to detect light; a plurality of sensor scanning drivers each configured to apply sensor scanning signals to the light sensing units; a sensing signal processor configured to receive position information detected by the light sensing units; a plurality of bias applying units each configured to apply bias voltages to the light sensing units; wherein each bias applying unit applies a different polarity of bias voltage. | 10-27-2011 |
20120032169 | Visible ray sensor and light sensor including the same - The present invention relates to a visible ray sensor and a light sensor capable of improving photosensitivity by preventing photodegradation. The visible ray sensor may include: a substrate, a light blocking member formed on the substrate, and a visible ray sensing thin film transistor formed on the light blocking member. The light blocking member may be made of a transparent electrode, a band pass filter, or an opaque metal. | 02-09-2012 |
20120032911 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a display panel, sensor circuits, and a detection circuit. Each sensor circuit senses at least two external signals different from each other and outputs a sensing signal. The detection circuit receives the sensing signal to detect a position to which the external signals are applied. Each sensor circuit includes sensors commonly connected to an output terminal, a scan line which receives a scan signal, a capacitor disposed between the scan line and the output terminal, charged with a first voltage in response to the scan signal, and charged with a second voltage greater than the first voltage in response to the current signal after the scan line is floated, a switching device which outputs the sensing signal in response to the second voltage, and a readout line which applies the sensing signal output from the switching device to the detection circuit. | 02-09-2012 |
20120033161 | PHOTOSENSOR, MANUFACTURING METHOD THEREOF, AND LIQUID CRYSTAL DISPLAY INCLUDING A PHOTOSENSOR - A photosensor includes a substrate, a gate line, and a data line disposed on the substrate. A thin film transistor is connected to the gate line and the data line. A first photo-sensing member is disposed on the substrate, and a first electrode is connected to the thin film transistor and the first photo-sensing member. A second photo-sensing member is disposed on the first photo-sensing member, and a second electrode is connected to the first electrode and the second photo-sensing member. | 02-09-2012 |
20120138929 | IR SENSING TRANSISTOR AND MANUFACTURING METHOD OF DISPLAY DEVICE INCLUDING THE SAME - An IR sensing transistor according to an exemplary embodiment of the present invention includes: a light blocking layer formed on a substrate; a gate insulating layer formed on the light blocking layer; a semiconductor formed on the gate insulating layer; a pair of ohmic contact members formed on the semiconductor; a source electrode and a drain electrode formed on respective ones of the ohmic contact members; a passivation layer formed on the source electrode and the drain electrode; and a gate electrode formed on the passivation layer, wherein substantially all of the gate insulating layer lies on the light blocking layer. | 06-07-2012 |
20120138960 | LIGHT SENSOR AND DISPLAY APPARATUS HAVING THE SAME - In a display apparatus, a light sensor of a display includes a light sensing layer, a source electrode, a drain electrode, an insulating layer, and a gate electrode to sense light from an external source. The light sensing layer is disposed on the substrate to sense light, and the source and drain electrodes are disposed on the light sensing layer and are covered by the insulating layer. The gate electrode is disposed on the insulating layer. An edge of the gate electrode is disposed on the light sensing layer at least in an area where the light sensing layer is overlapped with the source and drain electrodes. | 06-07-2012 |
20130021298 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes: a display panel; and a sensing signal processor connected to the display panel, in which the display panel includes: a gate line which transmits a gate signal; a sensing signal line crossing the gate line; a reference sensing signal line crossing the gate line; a sensing unit connected to the gate line and the sensing signal line, where the sensing unit senses light by a touch on the display panel; and a reference sensing unit connected to the gate line and the reference sensing signal line and blocked from the light by the touch, and where the sensing signal processor is connected to the sensing unit and the reference sensing unit and includes a comparator. | 01-24-2013 |
20130056732 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes: a substrate; an infrared sensing transistor on the substrate; a readout transistor connected to the infrared sensing transistor; a power source line; and a light blocking member on the infrared sensing transistor, where the infrared sensing transistor includes a light blocking film on the substrate, a first gate electrode contacting and overlapping the light blocking film and connected to a power source line, a first semiconductor layer on the first gate electrode overlapping the light blocking film, and first source and drain electrodes on the first semiconductor layer, where the readout transistor includes a second gate electrode on the substrate, a second semiconductor layer on the second gate electrode and overlapping the second gate electrode, and second source and drain electrodes the second semiconductor layer, and where the power source line and the first gate electrode are at a same layer. | 03-07-2013 |
20130249817 | PHOTOSENSOR, DISPLAY DEVICE INCLUDING THE SAME, AND DRIVING METHOD THEREOF - A photosensor includes a sensing switching element, a sensing element, and a reset switching element. The sensing switching element includes an output terminal connected to a sensing signal line, a control terminal connected to a first gate line, and an input terminal connected to the first node. The sensing element includes an output terminal connected to a first node, a control terminal connected a second gate line disposed next to the first gate line, and an input terminal connected to a source voltage line transmitting a source voltage. The sensing element senses light. The reset switching element includes an output terminal connected to the first node, a control terminal connected to the second gate line, and an input terminal connected to a driving voltage line transmitting a driving voltage. | 09-26-2013 |
20130271424 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a display panel, sensor circuits, and a detection circuit. Each sensor circuit senses at least two external signals different from each other and outputs a sensing signal. The detection circuit receives the sensing signal to detect a position to which the external signals are applied. Each sensor circuit includes sensors commonly connected to an output terminal, a scan line which receives a scan signal, a capacitor disposed between the scan line and the output terminal, charged with a first voltage in response to the scan signal, and charged with a second voltage greater than the first voltage in response to the current signal after the scan line is floated, a switching device which outputs the sensing signal in response to the second voltage, and a readout line which applies the sensing signal output from the switching device to the detection circuit. | 10-17-2013 |
20140002764 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME | 01-02-2014 |
20140021518 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes: a first substrate; a photo transistor on the first substrate; and a switching transistor connected to the photo transistor. The photo transistor includes a light blocking film on the first substrate, a first gate electrode on the light blocking film and in contact with the light blocking film, a first semiconductor layer on the first gate electrode and overlapping the light blocking film, and a first source electrode and a first drain electrode on the first semiconductor layer. The switching transistor includes a second gate electrode on the first substrate, a second semiconductor layer on the second gate electrode and overlapping the second gate electrode, and a second source electrode and a second drain electrode on the second semiconductor layer. The first semiconductor layer and the second semiconductor layer are at a same layer of the display device, and each includes crystalline silicon germanium. | 01-23-2014 |
20140022622 | ELECTROWETTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An electrowetting display device and manufacturing method thereof. The manufacturing method comprises forming pixel electrodes on a substrate, forming an insulation layer on the pixel electrodes, applying light through a mask to expose portions of the insulation layer, developing the insulation layer to at least partially remove the exposed portions of the insulation layer, wherein the developing forms a water repellent layer on the pixel electrodes and partitioning walls on the water repellent layer, and forming an oil layer between the partitioning walls and on the water repellent layer. The water repellent layer and the sides of the partitioning walls are hydrophobic. Upper surfaces of the partitioning walls are hydrophilic. The partition walls are thicker than the water repellent layer. | 01-23-2014 |
20140061681 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND ELECTRO-WETTING DISPLAY PANEL HAVING THE SAME - In a display substrate, a method for manufacturing the display substrate and an electro-wetting display apparatus including the display substrate, the display substrate includes a base substrate, a sidewall defining a unit pixel area, a pixel electrode, a hydrophobic insulating layer and a light blocking layer. The sidewall is on the base substrate and defines the unit pixel area. The pixel electrode is in the unit pixel area. The hydrophobic insulating layer is on the sidewall and the pixel electrode. The light blocking layer is on the hydrophobic insulating layer and overlaps the sidewall. | 03-06-2014 |
20140098333 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - The present invention relates to a liquid crystal display including: an substrate; a microcavity formed on the substrate; a pixel electrode formed in the microcavity and having a domain divider on the substrate; a liquid crystal layer positioned in the microcavity layer; and a common electrode positioned on the liquid crystal layer and having a domain divider. | 04-10-2014 |
20140287542 | IR SENSING TRANSISTOR AND MANUFACTURING METHOD OF DISPLAY DEVICE INCLUDING THE SAME - An IR sensing transistor according to an exemplary embodiment of the present invention includes: a light blocking layer formed on a substrate; a gate insulating layer formed on the light blocking layer; a semiconductor formed on the gate insulating layer; a pair of ohmic contact members formed on the semiconductor; a source electrode and a drain electrode formed on respective ones of the ohmic contact members; a passivation layer formed on the source electrode and the drain electrode; and a gate electrode formed on the passivation layer, wherein substantially all of the gate insulating layer lies on the light blocking layer. | 09-25-2014 |