Lg Display Co., Ltd.

Jaedo Lee

Howon Choi

Sangho Yu

Kyoungdon Woo

Younghee Jung

Haksu Kim

NamSeok Lee

SangWoo Seo

Beom Jeong

Sunggon Hong

Dongjoong Cha

Sungpil Choi

Youngjun Hong

Sujin Baek

Sangwoo Seo

Youngjin Hong

Wonkyu Ha

A touchscreen panel includes touch sensors on a base film and routing wires connected to the touch sensors, wherein the base film has a main area and a tail area protruding from the main area, the main area includes an active region where the touch sensors are placed and a bezel region located on the outside of the active region, and the routing wires pass through the bezel region and the active region, and connect terminals provided at one end of the tail area and the touch sensors.

Touch screen panel with tail area and display device comprising the same

A touch sensing system and a method for driving the same are disclosed. The touch sensing system includes a touch screen including touch sensors and a touch sensing circuit applying a driving signal to the touch sensors. The touch sensing circuit applies at least one first driving signal to a first position of the touch screen and applies at least one second driving signal to a second position of the touch screen. When RC delay of the first position is less than RC delay of the second position, at least one of a width and a voltage of the second driving signal is greater than the first driving signal, or the number of second driving signals is more than the number of first driving signals.

Touch sensing system adjusting voltage of driving signal based on a distance from a touch sensing circuit and method for driving the same

A gamma reference voltage generation circuit and a flat panel display using the same are provided. The gamma reference voltage generation circuit includes R, G and B gamma reference voltage generators each having a plurality of digital-to-analog converters (DACs) that generate a plurality of R, G and B gamma reference voltages. In the DACs of each of the R, G and B gamma reference voltage generators, a high potential bias voltage input terminal of an uppermost DAC used to generate a gamma reference voltage of a maximum gray level is connected to a high potential voltage source. A high potential bias voltage input terminal of each of remaining DACs except the uppermost DAC is cascade-connected to an output terminal of an upper DAC next to each of the remaining DACs.

Gamma reference voltage generation circuit and flat panel display using the same

An organic light emitting diode display comprises: a display panel; a touch screen panel disposed on a display surface of the display panel; a sensing unit for sensing a position through the touch screen panel; and a polarizing plate disposed on the touch screen panel, wherein the touch screen panel is attached to the display surface area of the display panel with an air layer provided therebetween.

Organic light emitting diode display and manufacturing method thereof

An organic light emitting diode (OLED) display is disclosed. The OLED display includes a plurality of subpixels on one surface of a first substrate, a second substrate attached to the first substrate, a shield electrode on one surface of the second substrate that is not opposite to the subpixels, the shield electrode being connected to a low potential voltage source, a touch screen panel on the shield electrode, a first printed circuit board (PCB) attached to the one surface of the first substrate, the first PCB receiving a driving signal driving the subpixels from a driving device, and a second PCB attached to the one surface of the second substrate, the second PCB transmitting a sensing signal generated by the touch screen panel to an external device.

Organic light emitting diode display

An organic light emitting diode (OLED) display is disclosed. The OLED display includes a display panel including a plurality of pairs of data lines, a plurality of gate line groups crossing the pairs of data lines, and a plurality of pixels each having a drive thin film transistor (TFT) and an organic light emitting diode at each of crossings of the pairs of data lines and the gate line groups, a timing controller generating a non-overlap signal, and a sample and hold block that removes an overlap period between adjacently generated first holding clocks using the non-overlap signal to generate second holding clocks that do not overlap each other, applies sampled threshold voltages of the drive TFTs of the pixels to an output node in response to the second holding clocks, and discharges the output node in the overlap period in response to the non-overlap signal.

An organic light emitting device is disclosed. The organic light emitting device includes a display unit including a plurality of subpixels, a host memory unit that stores image data received from the outside by the frame, a data adjusting unit that fetches the image data frames stored in the host memory unit by the bit and converts one frame into a plurality of subfields and one display memory unit that stores the image data frame converted into the plurality of subfields by the data adjusting unit. When the data adjusting unit converts the frame into the plurality of subfields, the data adjusting unit inserts a black time into at least one of the plurality of subfields.

Organic light emitting device

An embodiment of this document provides an organic electroluminescent display device, comprising a panel, a polarization plate disposed over the panel, a cover window disposed on the polarization plate, and a support member configured to form an air layer between the panel and the polarization plate.

Growing community of inventors

Gumi-si, South Korea

Jaedo Lee