Lg Display Co., Ltd.

Samsung Electronics Co., Ltd.

Jae Sung Yu

In Hyuk Song

Seok Lee

Ju Han Kim

Sun Jung Lee

Heesun Shin

Jae Hoon Park

Han Seok Lee

Bu Yeol Lee

Young Ki Jung

Yeon Woo Shin

Sangsoo Hwang

Deuk Su Lee

Sang Hee Yu

Young Joon Lee

Jung Pil Lee

Sun Yeop Kim

Kyung Eon Lee

Jin Mo Yoon

Nam Hun Oh

Provided are a gate driver and a display device including the same. The display device may include a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel, a gate driver including a scan signal generation circuit configured to supply a scan signal to the display panel and a light-emitting signal generation circuit configured to supply a light-emitting signal to the display panel, and a clear signal line connected to the gate driver to deliver a clear signal in an alternating current form including a positive voltage and a negative voltage, wherein the gate driver initializes at least one of nodes of the scan signal generation circuit and nodes of the light-emitting signal generation circuit based on the clear signal.

Gate driving circuit and display device including the same

Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

Display device

A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first node, a first gate electrode connected to a second node, a second electrode connected to a third node, and a second gate electrode to which a preset voltage is applied; a light emitting element including an anode electrode connected to a fourth node and a cathode electrode to which a low-potential power supply voltage is applied; a first switch element connected between the first node and the second node; a second switch element connected between the third node and the fourth node; a first capacitor connected to the first gate electrode of the driving element; and a second capacitor connected to the third node.

Pixel circuit and display device including the same

A pixel circuit, a method for driving a pixel circuit and a display device. The pixel circuit includes a driving element including a first electrode connected to a first node, a first gate electrode connected to a second node, a second electrode connected to a third node, and a second gate electrode to which a preset voltage is applied; a light emitting element including an anode electrode connected to a fourth node and a cathode electrode to which a low-potential power supply voltage is applied, the light emitting element being driven according to a current from the driving element; a first switch element connected between the first node and the second node; and a second switch element connected between the third node and the fourth node.

Pixel circuit, method for driving pixel circuit and display device

A gate driving circuit and a display device including the same are discussed. A signal transmitter of the gate driving circuit can include a first charge controller configured to charge a first control node in response to a voltage of a VST node, a second charge controller configured to charge a second control node using a first transistor that is turned on in response to an (N+1)th clock generated following an Nth clock, a first discharge controller configured to discharge the first control node in a charging period of the second control node, and a second discharge controller configured to discharge the second control node when the voltage of the VST node is a high voltage or in a charging period of the first control node.

Gate driving circuit and display device including 1HE same

A gate driving circuit and a display device including the same are disclosed. The gate driving circuit includes signal transmitters receiving a start pulse, a shift clock, a charge/discharge clock, a back-bias clock, a high-potential driving voltage, and a low-potential reference voltage, and connected in a cascade structure. An Nth (N is a positive integer) signal transmitter of the signal transmitters includes a first control node; a second control node; a first controller controlling charging and discharging of the first control node by using at least one transistor to which the back-bias clock is inputted; a second controller controlling charging and discharging of the second control node; a first output buffer outputting a carry pulse in response to voltages of the first and second control nodes; and a second output buffer outputting a gate pulse.

A pixel circuit and a display device including the same are disclosed. The pixel circuit includes: a driving element including electrodes respectively connected to a first node to receive a first constant voltage, a second node, and a third node; a light emitting element including an anode connected to a fourth node and a cathode to receive a second constant voltage; a first switch to provide a data voltage to the second node; a second switch to provide a third constant voltage to the second node; a third switch to provide a fourth constant voltage to the fourth node; a fourth switch to provide the first constant voltage to the first node; a fifth switch to electrically connect the third node to the fourth node.

A touch sensor integrated display device includes a plurality of common electrode blocks serving as touch driving blocks and touch sensing blocks. Conductive lines connected to the touch driving blocks and touch sensing blocks are routed towards an inactive area of the display device by directly across the active area. The conductive lines are positioned within one or more organic dielectric layers formed under the common electrode blocks and pixel electrodes, but above the data lines of the display device.

Touch sensor integrated display device and method of manufacturing the same

Display device and method for manufacturing the same

Disclosed are an LCD device and a method of manufacturing the same, in which a passivation layer and a pixel electrode are simultaneously formed by a single mask process using a half tone mask, and thus, manufacturing efficiency increases, and a defective contact due to loss of the pixel electrode can be prevented in a pad area. The LCD device includes a pad part including a pad area and a contact area. The LCD device includes a pixel pad formed in the pad area, a pixel bar formed in the contact area, and a bridge layer contacting the pixel pad with the pixel bar. The bridge layer is formed as a single layer or multi layers, and formed of one or more of a transparent conductive material and an opaque conductive material.

Liquid crystal display device and method for manufacturing the same

A memory controller according to an example embodiment of the present disclosure may include a duty ratio adjusting circuit which generates adjusted clock signals in response to a clock signal for strobing data, and a selection circuit which outputs one of the clock signal and the adjusted clock signals to a memory device as an output clock signal. Each of the adjusted clock signals may have a different duty ratio.

Growing community of inventors

Seoul, South Korea

Jae Sung Yu