Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Su-Han Woo

Jae-Jin Lyu

Su-Jeong Kim

Hye-Ran You

Jang-Kun Song

Seung-beom Park

Kee-Bum Park

Seon-Ah Cho

Kyung-hun Lee

Eun Jeong Cho

Sung-Hwan Hong

Jahun Koo

Hoon Bae Kim

Ji-Won Sohn

Min-Jae Kim

Jong-Ho Son

Jun-Hyup Lee

Min-Goo Seok

Myeong-Ha Kye

Yoon-Sung Um

Jin Ho Park

Jinho Park

Kyung-Uk Choi

Jun-Hee Na

Jong Deuk Moon

Min-Hee Kim

Kyu-Jin Park

Woon-Rok Jang

Ja Hun Koo

Ho-Kil Oh

Jong-Woon Kim

Ja-Hun Koo

Kyung-Hun Lee

Seong Il Kim

Bae Won Lee

San Seong Seomun

A liquid crystal display device includes a liquid crystal display panel, a light source configured to provide the liquid crystal display panel with a light, a vertical blank detector circuit configured to calculate a counting value of a vertical blank period of a frame by counting a synchronization signal, a luminance correction value calculator circuit configured to calculate a luminance correction value by comparing the counting value of the vertical blank period with a plurality of reference counting values, and a light source driver configured to generate a light source driving signal and provide the light source driving signal to the light source. The light source driving signal has a normal level corresponding to a normal luminance value in an active period of the frame and has a correction level corresponding to the luminance correction value in the vertical blank period of the frame.

Liquid crystal display device and method of driving the same

A method of adjusting luminance of a backlight unit included in a liquid crystal display device that performs inversion driving is provided. The method derives a positive polarity histogram and a negative polarity histogram of an image frame based on image frame data, corresponding to the image frame, and a data polarity pattern for implementing the image frame, derives a luminance compensation value according to data polarity dominance of the image frame by analyzing the positive polarity histogram and the negative polarity histogram, and applies the luminance compensation value to the luminance of the backlight unit during a portion of a time period of the image frame.

Method of adjusting luminance of a backlight unit included in a liquid crystal display device

A display apparatus includes a display panel. The display panel includes a high sub-pixel, a low sub-pixel and a toggle voltage input circuit. The high sub-pixel may include a first switching element connected to a gate line extending in a first direction and a data line extending in a second direction crossing with the first direction. The low sub-pixel may include a second switching element connected to the gate line and the data line and disposed opposite to the high sub-pixel with reference to the gate line, and a third switching element connected to the second switching element and a storage line. The toggle voltage input circuit may be connected to the storage line to transmit a toggle voltage to the low sub-pixel. The toggle voltage may be capable of being varied periodically.

Display apparatus and a method of driving the same

A liquid crystal display device includes an array substrate, an opposite substrate and a liquid crystal display layer. The array substrate includes a pixel electrode and a lower reactive mesogen layer. The pixel electrode includes a plurality of slit portions disposed on a plurality of domains in different directions. The lower reactive mesogen layer is disposed on the pixel electrode to induce an inclined direction of liquid crystal molecules. The opposite substrate includes an upper substrate. An upper reactive mesogen layer is disposed on a common electrode of the opposite substrate. The liquid crystal layer includes liquid crystal molecules arranged to have a pretilt angle between a surface of the lower reactive mesogen layer and a surface of the upper reactive mesogen layer.

Liquid crystal display device and method of manufacturing the same

An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of branch portions disposed thereon. A portion of the branch portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.

Array substrate and display device having the same

A three-dimensional image display device includes: a display panel assembly including a display panel including pixels which alternately displays first and second images, and a data driver which transmits data voltages to the pixels; a backlight unit which provides light to the display panel assembly; and a shutter member including first and second shutters, where the backlight unit emits the light during light emitting periods, the light emitting periods includes first light emitting periods, during which the first image is displayed, and second light emitting periods, during which the second image is displayed, the first light emitting periods and the second light emitting periods alternate, and the first shutter is opened during at least two open periods, which are between neighboring second light emitting periods of the second light emitting periods and temporally spaced apart from each other.

Three-dimensional image display device and driving method thereof

A display substrate includes a base substrate and a unitary indivisible pixel electrode. The base substrate includes a gate line, a data line crossing the gate line and a thin-film transistor electrically connected to the gate line and the data line formed thereon. A pixel area is defined on the base substrate. The unitary indivisible pixel electrode includes a plurality of branch electrodes formed on the pixel area and a connection electrode connecting the branch electrodes to each other. Each of the branch electrodes includes a bent portion and the bent portions of adjacent branch electrodes are spaced apart from each other.

Display substrate having pixel electrode with branch electrode including bent portion, display device having the same and method of manufacturing the display substrate

An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of slit portions disposed thereon. A portion of the slit portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.

A liquid crystal display is provided that includes a first substrate; a second substrate facing the first substrate; a field generating electrode disposed on at least one of the first substrate and the second substrate; an alignment layer disposed on the field generating electrode; and a liquid crystal layer interposed between the first substrate and the second substrate and including a liquid crystal and an alignment polymer. The alignment layer initially contains an alignment material including an initiator, and the alignment polymer initially contains an alignment aid.

Liquid crystal display device and manufacturing method thereof

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Asan-si, South Korea

Su-Han Woo