Lg Display Co., Ltd.

Jeongho Kang

DaeHwan Kim

Soondong Cho

Hyunchul Kim

Jongwoo Kim

Yangseok Jeong

Hyuntaek Nam

Mangyu Park

Changhun Cho

Yongjin Park

Pilsung Kang

Geunwoo Koh

Disclosed is a display device including: a timing controller outputting image data and a data driving control signal based on an image signal and a control signal inputted from the outside; a data driver outputting a data voltage corresponding to the image data based on the data driving control signal; and a display panel displaying an image corresponding to the data voltage, and the data driver includes: a buffer array where buffer groups, each of which is composed of one or more adjacent output buffers, are disposed; a bias current controller applying a bias current to the buffer groups; and an output circuit sequentially applying the data voltage outputted from the buffer groups to data lines in response to a source output enable signal and driving method for the same.

Display device and driving method for the same

A lower-power driving display device and a driving method. The driving method of the display device includes dividing the plurality of output buffers of the data driver into a plurality of output buffer groups, each of the plurality of output buffers being configured to apply the data voltage to each of the plurality of data lines connected with the display panel, and determining the magnitude of a bias current supplied to an output buffer on the basis of a pattern of a data voltage output by the output buffer which belongs to each of the plurality of divided output buffer groups.

Low-power driving display device and driving method of same

The present disclosure relates to a driver for a display device. A driver for a display device according to an embodiment is characterized in generating a voltage supplied as a bias voltage of a source buffer of a data driver in conjunction with a voltage supplied to a display panel. Therefore, the driver for the display device according to the present disclosure has an advantage that the headroom margin of the source buffer can be secured and power consumption of the driver is low at the same time, even when an image data pattern causing a variation in the voltage is input to the display device.

Drive unit for display device

An integrated circuit package and a display device using the same are discussed. The bottom surface of the integrated circuit package includes a first barrier bump area in which a plurality of barrier bumps is arranged, configured to be disposed between an input bump area and an output bump area; and a second barrier bump area in which a plurality of barrier bumps is arranged, configured to be disposed between the first barrier bump area and the output bump area. The first barrier bump area is closer to the input bump area than the second barrier bump area, and the second barrier bump area is closer to the output bump area than the first barrier bump area.

Integrated circuit package and display device using the same

Provided are a display device and a method for measuring contact resistance thereof. A plurality of dummy bumps disposed on a driving circuit or a flexible circuit board are connected to shorting pads disposed on the display panel, and bonding resistance is measured by comparing an input voltage of a comparator input through bonding resistance between dummy bumps and shorting pads with a variable reference voltage.

Display device and method of measuring contact resistance thereof

Disclosed is a display device that has a data transmission device for providing a differential signal to a source driver, in which the data transmission device, for example, includes a differential signaling driver including a current controller, the current controller determining a toggling of an image data and setting an output current value based on a determination of the toggling of the image data; and first and second signal lines electrically connected between the differential signaling driver and a receiver, the receiver outputting the differential signal to the source driver.

Display device

A liquid crystal display device and a driving method thereof capable of simplifying of a hardware construction of the liquid crystal display device driven by the impulsive driving method and minimizing capacitance of memory for storing data are provided.

Liquid crystal display device and driving method thereof

A liquid crystal display and a method of driving the same are disclosed. The liquid crystal display includes a timing controller, N source drive integrated circuits (ICs), where N is an integer equal to or greater than 2, N pairs of data bus lines, each of which connects the timing controller to each of the N source drive ICs in a point-to-point manner, a lock check line that connects a first source drive IC of the N source drive ICs to the timing controller and cascade-connects the N source drive ICs to one another, and a feedback lock check line connecting a last source drive IC of the N source drive ICs to the timing controller. A swing width of an output voltage of the timing controller increases in proportion to a distance between the timing controller and the N source drive ICs.

Growing community of inventors

Paju-si, South Korea

Jeongho Kang