Samsung Electronics Co., Ltd.

Jeong-Ye Choi

Mun-Pyo Hong

Nam-Seok Roh

Sang-Il Kim

Young-Chol Yang

Wang-su Hong

Keun-Kyu Song

Cheol-Woo Park

Soo-Guy Rho

Jin-Hong Kim

Jae-Hyuk Chang

Chong-Chul Chai

Jun-Hyung Kim

Jin-Oh Kwag

Dae-Jin Park

Cheol-woo Park

Ho-Yong Jeong

A liquid crystal display is provided, which includes a liquid crystal panel assembly including a plurality of red, green, blue and white pixel areas, and a backlight unit placed at a side of the liquid crystal panel assembly. The light emitted from the backlight unit has a color coordinate (x, y) where x ranges from about 0.31 to about 0.34, and y ranges from about 0.32 to about 0.35.

Four color liquid crystal display and panel therefor

A thin film transistor (TFT) array panel that automatically matches the gamma curves of the reflective mode and the transmissive mode is presented. The TFT array panel includes a substrate, a switching element formed on the substrate and including an input terminal, an output terminal, and a control terminal. A transmissive electrode is connected to the output terminal, and a first reflective electrode is connected to the output terminal. A storage electrode is formed on a layer that underlies the output terminal and separated from the output terminal to form a storage capacitor with the output terminal. A second reflective electrode is formed on a layer that is above the output terminal and separated from the output terminal to form an auxiliary capacitor with the output terminal.

Thin film transistor array panel comprising first and second reflective electrodes

A display device includes a first display panel, a second display panel facing the first display panel, and a plurality of spacers maintaining a distance between the first display panel and the second display panel. Each of the spacers includes column spacers, ball spacers, and an adhesive.

Display device and manufacturing method thereof

A display device includes a first panel and a second panel facing each other, a liquid crystal layer and a member for determining a tilt direction of liquid crystal molecules of the liquid crystal layer. The display device has a reflective area and a transmissive area. The liquid crystal layer is interposed between the first panel and the second panel. The member is disposed at a portion of the second panel corresponding to the reflective area. The display device realizes a multi-domain structure and prominent reflective efficiency is obtained by utilizing a projection area as a reflective area.

Transflective liquid crystal display device comprising domain partitioning members disposed in the reflective area and not in the transmissive area

The present invention provides a thin film transistor ('TFT') array panel including a substrate, first and second transmissive electrodes formed on the substrate, first and second reflective electrodes connected to the first and second transmissive electrodes, respectively, and third and fourth reflective electrodes separated from the first and second transmissive electrodes and the first and second reflective electrodes. A first area ratio of the first and third reflective electrodes is different from a second area ratio of the second and fourth reflective electrodes. A liquid crystal display ('LCD') includes the TFT array panel, and a method is provided for coinciding voltage-reflection curves of adjacent pixels in the LCD.

TFT array panel having a first pixel region having first transmissive with first and third reflective electrodes and a second pixel region having second transmissive with second and fourth reflective electrodes where the area ratios of the first and third reflective electrodes to the second and fourth reflective electrodes are different

An electrophoretic display device with an improved reflective luminance is presented. The electrophoretic display device includes an electrophoretic display panel including sub-pixels corresponding to four colors (e.g., red, green, blue, and white). A signal converter is provided for receiving an image signal for three colors and converting it into an image signal for four colors. A data driver is provided for supplying the converted image signal for four colors to the sub-pixels as a data voltage.

Electrophoretic display device with improved reflective luminance

A transmission-type display device, in which a viewing angle thereof is enhanced, comprises: an panel comprising a first substrate where TFTs are formed and a second substrate facing the first substrate; a first retardation film and a first polarizing plate which adhere sequentially to an external surface of the first substrate; and a second retardation film and a second polarizing plate which adhere sequentially to an external surface of the second substrate.

Display device and method

The present invention provides a TFT array panel having a transmissive region and a reflective region. A transmissive electrode is disposed in the transmissive region. The first reflective electrode connected to the transmissive electrode is disposed on the reflective region. The second reflective electrode separated from the transmissive electrode and the first reflective region is formed in the reflective region. A first conductor is connected to at least one of the transmissive electrode and the first reflective electrode. A second conductor is connected to the second reflective electrode. At least one of the transmissive electrode, the first reflective electrode and the first conductor overlaps at least one of the second reflective electrode and the second conductor.

Thin film transistor array panel and liquid crystal display including the panel

A liquid crystal display includes a common electrode panel having a first substrate, a color filter formed on the substrate and having a light hole, a common electrode formed on the color filter and into the light hole, a first insulating film formed on the common electrode and formed into the light hole, a thin film transistor (TFT) panel facing the common electrode panel, and a liquid crystal layer interposed between the common electrode panel and the TFT panel. The TFT panel includes a second substrate, a transmissive electrode formed on the second substrate, and a reflective electrode formed on the second substrate and connected to the transmissive electrode.

Common electrode panel, manufacturing method thereof, and liquid crystal display including the panel

A semi-transmission liquid crystal display comprising a liquid crystal panel; a backlight unit to emit light to the liquid crystal panel; and a data driver to apply a data voltage to a data line of the liquid crystal panel; wherein, the liquid crystal panel comprises a TFT substrate which has a transmission area transmitting light from the backlight unit and a reflection area reflecting light from exterior, a color filter substrate which has color filter layer having a concave area which is formed corresponding to the reflection area, and a liquid crystal layer which is sandwiched between the TFT substrate and the color filter substrate and having varying thickness according to the concave area; and the data driver applies the data voltage to the data line in the liquid crystal panel by a transmission voltage mode when the backlight unit is on and by a reflection voltage mode when the backlight unit is off, which configuration provides a semi-transmission LCD having good display quality without an overcoat layer flattening a color filter layer.

Liquid crystal display

A liquid crystal display includes an array pixel including a plurality of pixels arranged in a matrix. The plurality of pixels include a set of pixels including a pair of center pixels adjacent to each other, and a pair of first-color pixels and a pair of second-color pixels obliquely facing each other across the center pixels. Each pixel includes a pixel electrode and a thin film transistor. The liquid crystal display further includes a plurality of gate lines extending in a row direction for transmitting a gate signal to the pixels, and a plurality of data lines extending in a column direction for transmitting data signals to the pixels. The pixels are subject to polarity inversion.

Growing community of inventors

Hwaseong-si, South Korea

Jeong-Ye Choi