Lg Display Co., Ltd.

Hyung Uk Jang

Hyun Suk Jin

Sang Hyuck Bae

Byung Chun Yu

Jong Seong Choi

Min Ho Sohn

Sang Rae Lee

In Jae Chung

Tae Han Kim

Chul Nam

Yeon Shim Shim

Min Sung Kim

Sun Hwa Lee

Ho Jin Ryu

Deuk Su Lee

Sook Kyung You

Joon Kyu Park

Yoonion Hwang

Young Sung Cho

Jin Soo Chung

Sung Woo Jun

A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element configured to regulate a current flowing to a light-emitting element according to its gate-source voltage; and a boosting circuit electrically connected to the driving element. The driving element includes a first electrode, a gate electrode, and a second electrode. The boosting circuit supplies a current to the first electrode of the driving element in each of a first mode and a second mode, and a peak current supplied to the first electrode of the driving element during the second mode is greater than a peak current supplied to the first electrode of the driving element during the first mode.

Pixel circuit and display device including the same

An embodiment discloses a display panel and a display device including the same. The display panel includes a first display region in which a plurality of pixels are disposed, and a second display region including a plurality of pixel regions, in which a plurality of pixels are disposed, and a plurality of light-transmitting regions disposed between the plurality of pixel regions, wherein the second display region includes a plurality of first pixels disposed in the plurality of pixel regions, a plurality of second pixels disposed in the plurality of light-transmitting regions, and a plurality of first electrodes extending from the plurality of pixel regions to the plurality of light-transmitting regions to electrically connect the plurality of first pixels to the plurality of second pixels.

Display panel and display device including the same

The present disclosure relates to a display panel and a display device using the same, and includes a first region where a plurality of pixel groups are disposed; and a second region where a plurality of pixel groups and a plurality of light transmitting parts are disposed. The plurality of pixel groups disposed in the second region are disposed between the light transmitting parts. An aspect ratio of each of the pixel groups disposed in the second region is different from that of each of the pixel groups disposed in the first region. Each of the pixel groups of the second region includes the same number of sub-pixels as each of the pixel groups of the first region.

Display panel and display device using the same

In touch panel display device, a first touch electrode group has a first plurality of touch electrodes and a second touch electrode group has a second plurality of touch electrodes. A first current supplier circuit supplies a first current during a first current supply period to the first touch electrode group, and the second current supplier circuit supplies a second current during a second current supply period to the second touch electrode group. The sensing signal receiver circuit holds a first touch voltage for the first touch electrode group following the first current supply period, and holds the second touch voltage for the second touch electrode group following the second current supply period. The sensing signal receiver determines based on the first held touch voltage and the second held touch voltage, whether a touch occurred in each of the first touch electrode group and the second touch electrode group.

Display device and method of driving the same

A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; and a processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively.

Display device having multi-touch recognizing function and driving method thereof

A display module including a touch panel configured to be touched so as to input information, a liquid crystal display panel disposed below the touch panel and configured to display the information to be touched on the touch panel, a plurality of emitting light units configured to emit infrared light formed in at least two sides of the touch panel, a plurality of image sensors disposed below the liquid crystal panel and configured to detect infrared rays redirected through the liquid crystal panel towards the image sensors based on a touching of the touch panel, and a controller configured to determine a portion of the touch panel that is touched based on signals received from the plurality of image sensors.

Multi touch flat display module

A touch panel display device includes a liquid crystal panel to display an image by regulating transmittance of light supplied from a back light unit, and a touch sensing part provided on upper edges of the liquid crystal panel in order to detect a position touched by a user or an object. The touch sensing part includes infrared lamps to generate and emit infrared light, infrared light reflecting tubes mounted with the infrared lamps, and image sensors to sense the infrared light output from the light output regions of the infrared light reflecting tubes. Each of the infrared light reflecting tubes has light output regions and non-output regions evenly formed at a surface facing an upper surface of the liquid crystal panel so that the infrared light emitted from the infrared lamps is evenly irradiated on the upper surface of the liquid crystal panel.

Touch panel display device

Provided are an LCD device that can control a viewing angle freely and a manufacturing method thereof. The LCD device includes a first substrate, a second substrate, and an LC layer interposed between the first and second substrates. The LCD device further includes red, green, blue, and viewing angle controlling subpixels. These subpixels are driven in a VA mode. The red, green, and blue subpixels have a transflective structure. The viewing angle controlling subpixel has a transmissive or transflective structure.

Liquid crystal display device and manufacturing method thereof

Provided are a multi-touch system and a driving method thereof. The method includes, extracting using a digital processor a touch frequency and at least one angle associated with at least one touch from image information captured by each of at least two cameras, selecting a touch mode on the basis of sum value of the touch frequencies extracted from the image information captured by the cameras, and performing a touch function corresponding to the selected touch mode using a user interface.

Multi-touch system and driving method thereof

A display device capable of simplifying the structure and improving the reliability is disclosed. The display device includes an LCD module having a top case formed of metal, a glass substrate arranged on the LCD module, an infrared ray emitting module arranged to face three side surfaces of the LCD module and having a first magnet for first fixing to the top case, and a pair of infrared ray detection units arranged at corner ends of a side surface of the LCD module where the infrared ray emitting module is not arranged and having a second magnet for the first fixing to the top case.

Display device

A dual-view liquid crystal display device includes a display panel to display images; and a switching panel including first and second regions, the first and second regions controlled to represent a single image or different images displayed on the display panel, wherein a line width of the first region is adjustable. And, a method for driving a dual-view display device includes dividing the images displayed on the display panel in different directions by controlling a switching panel that includes first and second regions; and adjusting a line width of the first region in accordance with a viewing angle of a user.

Dual-view display device and method of driving the same

A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; a look-up-table of a plurality of compensation angles in an range of about 0 to about 90 degrees corresponding to each of the plurality of cameras; and processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively, and compensates the detected touch area with one of the plurality of compensation angles.

A liquid crystal display device and a method for driving the same are provided. The liquid crystal display device includes a first liquid crystal layer selectively driven by a first electric field in a first direction; and a second liquid crystal layer selectively driven a second electric field in a second direction, the second direction being different from the first direction.

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Seongnam-si, South Korea

Hyung Uk Jang