Lg Electronics Inc.

Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Bo Yeon Kim

Myeong Su Kim

Dae Hee Kwon

Seong Yeol Lee

Young Hoon Ha

Ji Chang Son

Hyun Seok Kim

Sang Hyun Lee

Hye Yong Park

Jae Han Lee

Won Tae Kim

In Ho Cho

Hyung Gyu Lim

Dong Won Park

Tae Gon Im

Jung Hwan Cho

Seong No Yoon

Bong Sang Lee

Whee Won Lee

Sun Koo Kang

Sung Rak Gong

Hye-yong Park

Oh Jo Kwon

Si Duk Sung

Choong Sun Shin

Myong Deok Kim

Yong Bum Kim

Hye-Yong Park

A data driving circuit is disclosed that includes an amplifier and an offset control circuit. The amplifier has an offset voltage and is configured to output a data voltage reflecting the offset voltage. The offset control circuit is configured to control, in response to an input control signal, the amplifier to output the data voltage reflecting the offset voltage in a positive direction or a negative direction. The data driving circuit may enhance the display quality of a low grayscale image.

Data driving circuit, display device including the same, and method of driving the same

A gate driver includes a first shift register connected to gate lines, and configured to supply a gate signal to the gate lines in response to a first start pulse, and a second shift register connected to the gate lines and sensing control lines, and configured to supply the gate signal and a sensing signal to the gate lines and the sensing control lines in response to a second start pulse, in which the second shift register is configured to supply the second start pulse at different times in sequential frames.

Gate driver and display device including the same

A display device includes a display panel including a plurality of pixels connected to data lines and sensing lines, a data driver including a plurality of buffer amplifiers which supplies a first sensing voltage to the data lines during a first sensing period and a sensor which receives a first sensing signal from the pixels through the sensing lines during the first sensing period, and a global amplifier which supplies a second sensing voltage to the data lines during a second sensing period different from the first sensing period. The sensor receives a second sensing signal corresponding to the second sensing voltage from the pixels through the sensing lines during the second sensing period, and generates compensation data based on a difference value between the first sensing signal and the second sensing signal.

Display device and driving method thereof

A display device includes: a display panel including a plurality of pixels; a source driver for outputting a target initialization voltage in an analog format to the pixels through sensing lines; and a timing controller for providing the source driver with a data control signal including packet information associated with the target initialization voltage. The packet information is in a digital format. The source driver includes a digital-analog converter which generates the target initialization voltage in the analog format, based on the packet information.

Source driver for generating target initialization voltage and display device including the same

A display device includes a display unit including a plurality of pixels, a scan driver applying a scan signal to a plurality of scan lines, a data driver applying a data signal to a plurality of data lines, and a power supply unit supplying a driving voltage to at least one among the display unit, the scan driver, and the data driver. The power supply unit includes an inductor connected between an input terminal to which an input voltage is input and a driving voltage output terminal to which the driving voltage is output, a switch connected between the inductor and a ground, and a switch controller outputting a first ramp pulse having a first frequency at a first load of the display device and outputting a second ramp pulse having a second frequency at a second load of the display device.

Display device, power supply device for display device, and driving method of display device

A display device includes a display panel, a power supply, a signal controller configured to generate first and second clock signals having a period, a clock signal generator configured to generate a gate clock signal that is raised to a high level voltage in synchronization with the first clock signal, and that falls to a low level voltage in synchronization with the second clock signal, generate a panel separation signal by comparing a voltage of the gate clock signal with a first reference voltage during a falling period during which the gate clock signal falls, and transfer the panel separation signal to the power supply or the signal controller, and a gate driver configured to sequentially apply a gate signal by using the gate clock signal, wherein the power supply or the signal controller is configured to stop outputting depending on the panel separation signal.

A display device includes a timing controller configured to supply a first set signal to a data control signal line in a first frequency mode, and to supply a second set signal and a data signal to the data control signal line in a second frequency mode that is different from the first frequency mode, a data driver configured to recover the data signal supplied to the data control signal line according to a signal recovery characteristic value, to generate a plurality of data voltages based on the recovered data signal, and to adjust the signal recover characteristic value based on the first set signal and the second set signal, and a display unit including a plurality of pixels that emit lights with gray scales corresponding to the plurality of data voltages.

A display device may include a timing controller, a data driver and a plurality of pixels. The timing controller supplies a clock training pattern over a data/clock signal line in a first time period, and supplies pixel/control data over the data/clock signal line in a second time period. The data driver generates a clock signal, using the clock training pattern, in the first period, and generate a plurality of data voltages based on the plurality of pixel data, using the clock signal, in the second period. The plurality of pixels receive the plurality of data voltages and emit corresponding light. During the second period, the data driver outputs a feedback signal to the timing controller indicating that the locking of the clock signal has failed. The timing controller re-supplies the clock training pattern in response to the feedback signal.

A display device is disclosed. In one aspect, the display device includes a plurality of pixels, a plurality of data lines respectively connected to the pixels, and a compensation unit connected to at least one the data lines. The compensation unit includes a first capacitor storing a leakage current of a pixel connected to the data line, a second capacitor storing a difference current, where the difference current is the difference between a reference current and a pixel current measured when a data signal of a reference gray signal is applied to the pixel. The compensation unit also includes a comparator outputting a difference value between the voltages stored in the first and second capacitors. According to embodiments, is possible to measure an accurate pixel current regardless of a leakage current and accurately detect deterioration of a pixel.

AMOLED display device including compensaton unit and driving method thereof

A washing machine is disclosed. A washing machine includes a tub holding wash water, a drum rotatable within the tub to hold laundry, a first cabinet defining a first space to wash laundry together with the tub and the drum, a second cabinet defining a second space for an additional function, the second cabinet formed as one body with the first cabinet, and a single partition provided between the first and second cabinets to partition off the second space from the first space.

Washing machine

A cleaning apparatus is provided. The cleaning apparatus includes a cabinet (), front panel (), control panel (), and fringe frame (). The cabinet () is opened at a surface thereof. The front panel () is installed on a side of the cabinet (), and includes a cabinet cover () forming a laundry inserting hole and an outer cover () coupled to a front surface of the cabinet cover () and color treated on its front surface through painting. The control panel () is mounted on top of the front panel (). The fringe frame () covers the edge portion of the front panel () and the control panel ().

Cleaning apparatus and manufacturing and assembly methods for the same

A washing machine is provided for washing laundry therein. The washing machine includes a hinge member including a door coupling portion and at least one coupling section having at least one hinge coupling hole corresponding to a cabinet coupling hole. The washing machine further includes a front cabinet cover and a rear cabinet cover, having at least one cabinet coupling hole in which at least one coupling member is tightend. The hinge member is directly couple to the rear cabinet cover.

A washing machine is disclosed. A washing machine includes a tub holding wash water, a drum rotatable within the tub to hold laundry, a first cabinet forming a first space provided with the tub and the drum to wash laundry, a second cabinet forming a second space for additional function, the second cabinet formed as one body with the first cabinet, and a single partition wall provided between the first and second cabinets to partition off the second space from the first space, wherein the second cabinet comprises a first frame and a second frame provided in both opposite portions out of front and rear portions and side portions of the second cabinet, the first and second frames having a rectangular shape.

A washing machine is disclosed. A washing includes a tub holding wash water, a drum rotatable within the tub to hold laundry, a first cabinet forming a first space provided with the tub and the drum to wash laundry, a second cabinet forming a second space for additional function, the second cabinet formed as one body with the first cabinet, and a single partition provided between the first and second cabinets to partition off the second space from the first space, wherein facing ends of the first and second cabinets are in contact with each other to form a single border line.

Growing community of inventors

Changwon-si, South Korea

Bo Yeon Kim