Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Hyung-Jun Daniel Park

Dong-Hyun Yoo

Byoung-Sun Na

Kyung-Ho Park

Jae-Won Kim

Bo-Yeong Kim

Seong-Young Lee

Kye-Uk Lee

So-Young Kim

Soo-Hyun Kim

Si Hyun Ahn

Seong-wook Han

Jong-Hyun Park

Dong Hee Shin

Jin-Hyoung Kim

Jin-Wook Lee

Dong-Yoon Kim

Eun-Guk Lee

Young-ki Kim

Shin-Il Kang

Jae-Jin Song

Kyoung-Tai Han

Seung-ho Park

Byung-seok Min

Woo-Jung Shin

Chang-su Han

Si-Hyun Ahn

Yang-Un Lee

Hye-Rim Han

Il-soon Lim

Dong-Hee Shin

Seong-Il Ham

A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels.

Liquid crystal display device

An image correction method includes: obtaining information regarding at least one of brightness and colors of pixels constituting an input image, the input image comprising a plurality of regions classified according to whether the at least one of the brightness and the colors of the pixels are substantially uniformly distributed in a corresponding region; determining a weight with respect to at least one pixel based on the obtained information; and correcting the input image with respect to the at least one pixel based on the determined weight.

Method and apparatus for correcting image based on distribution of pixel characteristic

A display device that may be driven at both frequencies of 120 Hz and 240 Hz, includes a plurality of pixels arranged in a column direction and a row direction, a plurality of data lines connected with one of the pixels of a j-th row ('j' is a natural number) and one of the pixels of a (j+1)-th row in k-th column ('k' is a natural number), and connected with one of the pixels of a (j+2)-th row and one of the pixels of a (j+3)-th row in (k&#x2212;1)-th column, a first gate circuit part configured to apply a gate signal to a (4m&#x2212;3)-th gate line row (&#x2018;m&#x2019; is a natural number), a second gate circuit part configured to apply a gate signal to a (4m&#x2212;2)-th gate line row, a third gate circuit part configured to apply a gate signal to a (4m&#x2212;1)-th gate line row and a fourth gate circuit part configured to apply a gate signal to a 4m-th gate line row.

Display device

A display apparatus includes a display panel comprising a plurality of gate lines connected to a plurality of pixel rows, a plurality of data lines connected to a plurality of a pixel columns, at least one dummy pixel row disposed in a peripheral area surrounding a display area in which the plurality of pixel rows and the plurality of a pixel columns are disposed, and at least one dummy gate line connected to the dummy pixel row and a data driver circuit configured to provide the dummy pixel row with a dummy data signal, the dummy data signal having a level that differs from a data signal of a pixel column adjacent to the dummy pixel row.

Display apparatus with dummy pixel row and method of driving the display apparatus

Exemplary embodiments disclose an image processing method which includes obtaining a binary value by quantizing a value obtained by summing at least one pixel value of an input image and a quantization error value of a neighboring pixel; determining a pixel in which a detail intensity is to be inserted according to the binary value of each pixel; determining the detail intensity to be inserted in the determined pixel; and inserting the determined detail intensity in the determined pixel, wherein the quantization error value of the neighboring pixel is a difference value between an original pixel value of the neighboring pixel and a pixel value quantized with respect to a predetermined constant value.

Image processing method and apparatus for improving detail of image

A display substrate includes a base substrate including a display area and a peripheral area surrounding the display area, a switching element in the display area, a main-test-line in the peripheral area, extending in the second direction and electrically connected with a data line, a sub-test-line in the peripheral area, and a test pad in the peripheral area and electrically connected with the main-test-line and the sub-test-line. The switching element is electrically connected with a gate line extending in a first direction and the data line extending in a second direction crossing the first direction. The sub-test-line is electrically connected with the data line. The sub-test-line is in a different layer from the main-test-line.

Display substrate, method of manufacturing the same and display apparatus having the same

Provided is a gate driving circuit including cascade-connected stages that output gate signals. An n-th one of the stages ('n' is a natural number) includes a pull-up part, a pull-up controller, a first pull-down part, a second pull-down part, and a pull-down controller. The pull-up part outputs a first clock signal as an output signal of the n-th stage. The pull-up controller selectively applies first and second powers to a control electrode of the pull-up part. The first pull-down part pulls down a voltage applied to the control electrode of the pull-up part to an off voltage. The second pull-down part pulls down a voltage applied to an output electrode of the pull-up part to the off voltage. The pull-down controller selectively applies the first and second powers to control electrodes of the first and second pull-down parts.

Gate driving circuit and display apparatus having the same

The present invention relates to a thin film transistor array panel including: a substrate; gate lines formed on the substrate; and a gate driver formed on the substrate to apply gate signals to the gate lines. The gate driver includes a first wire and a second wire to transmit different signals, and at least one of the first wire and the second wire includes a static electricity preventing structure to prevent static electricity from accumulating between the first wire and the second wire.

Thin film transistor array panel

A method and apparatus of a first device for selecting at least one of a plurality of second devices to be accessed. The method includes transmitting pieces of media data to the corresponding plurality of second devices one-to-one, and determining at least one of the plurality of second devices to be accessed by the first device according to a user's selection on the basis of the pieces of media data being reproduced by both the first device and each of the plurality of second devices.

Method and apparatus for accessing device based on intuitive selection

A method and apparatus for detecting and compensating for a backlight frame are provided. The method includes receiving data regarding a current frame comprising pixels that are expressed by a luminance component and one or more chrominance components; and determining whether the current frame is a backlight frame based on values of the one or more chrominance components of the pixels.

Method and apparatus for detecting and compensating for backlight frame

A top chassis assembly includes a top chassis and a contact unit. The top chassis surrounds a non-display area of a display panel. The non-display area includes a pad part through which a signal is provided to the display panel. The contact unit is disposed at an inner surface of the top chassis and contacts the pad part on the non-display area of the display panel.

Top chassis assembly and display device having the same

A liquid crystal display, the liquid crystal display comprises a plurality of gate lines which includes a first gate line, a transformation gate line, and a second gate line; a data line; and a pixel, wherein the pixel includes a first liquid crystal capacitor which includes a first sub-pixel electrode and a common electrode and a second liquid crystal capacitor which includes a second sub-pixel electrode and a common electrode; a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode; a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode; a third switching element connected to the transformation gate line and the second switching element; a transformation capacitor which includes a first terminal connected to the second gate line and a second terminal connected to the third switching element; and a first period where a gate-on voltage Von is applied to the first gate line and a second period where the gate-on voltage Von is applied to the transformation gate line do not overlap each other and, a gate-off voltage Voff is applied to the second gate line during the second period.

Liquid crystal display and driving method thereof

The present invention relates to a liquid crystal display. The liquid crystal display includes a first substrate and a second substrate facing each other; a liquid crystal layer interposed between the first substrate and the second substrate; a sealant coupling the first substrate and the second substrate and enclosing the liquid crystal layer; a display signal line arranged on the first substrate and including an end portion; and a first spacer disposed between the end portion of the display signal line and the sealant. The liquid crystal layer includes liquid crystal molecules exhibiting a pretilt alignment with respect to the first and second substrates.

Growing community of inventors

Suwon-si, South Korea

Hyung-Jun Daniel Park