Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Bon-Seog Gu

Hae-Kwan Seo

Jin-Wook Yang

Tae-Jin Kim

Hong Soo Kim

Woomi Bae

Sukhun Lee

Woo-Seok Han

Sehyuk Park

Cheol-Woo Park

Yong-Sung Park

Keum-Nam Kim

Sangho Park

Do-Youb Kim

Nam-Gon Choi

Hongsoo Kim

Myoung-Seop Song

Byung-Sun Kim

Myung-Ho Lee

Cheolwoo Park

Hong-Soo Kim

Jae-Hyun Cho

Jaehyun Cho

Ahyoung Son

Jun-Yi Choi

Se-Hyuk Park

A display device includes: a display panel including a surrounding display area, below which at least one panel driving circuit is positioned, and a main display area surrounded by the surrounding display area, the display panel including first pixels having a first pixel density and disposed in the surrounding display area and second pixels having a second pixel density greater than the first pixel density and disposed in the main display area; and a display panel driver to divide an input image to be displayed on the display panel in each frame into a first image to be displayed on the surrounding display area and a second image to be displayed on the main display area, calculate a luminance deviation of the first image, and determine whether to display the first image in the surrounding display area based on the luminance deviation of the first image.

Display device and method of operating display panel for displaying an image of a surrounding peripheral display region based on luminance deviation

Disclosed is a display device. The display device includes a display panel having a base layer, a circuit element layer disposed on the base layer, a display panel including a plurality of first pixels disposed in a first display area, and a plurality of second pixels disposed in a second display area adjacent to the first display area. The display device further includes a gate driver disposed in the second display area of the display panel and configured to drive the first and second pixels and a diffraction pattern layer including a plurality of second diffraction patterns disposed on the second pixels.

Display device having an enlarged display area

The present disclosure provides a display apparatus including a head tracker obtaining information of movement of a user and formed on a display substrate and generating a temporary image using the information of the movement of the user. The head tracker is configured to output information of movement of a user to the driving controller. The driving controller is configured to generate a temporary image based on the information of the movement of the user. The display panel is configured to selectively display an input image and the temporary image.

Display apparatus and virtual reality display system for generating a temporary image based on head tracking information

A display apparatus includes a display panel and a power voltage generator. The display panel includes pixel circuits including a first light emitting element and a second light emitting element. The power voltage generator applies a high power voltage to first electrodes of the first light emitting element and the second light emitting element, a first low power voltage to a second electrode of the first light emitting element and a second low power voltage to a second electrode of the second light emitting element. The high power voltage has high level, the first low power voltage has low level and the second low power voltage has high level during an emission duration of a first frame. The high power voltage has the high level, the first low power voltage has high level and the second low power voltage has low level during an emission duration of a second frame.

Display apparatus and method of driving the same

A display panel includes gate lines, data lines, and pixels. The gate lines extend in a first direction and include first and second gate lines adjacent to each other. The data lines extend in a second direction crossing the first direction and include first to third data lines. Each of the pixels is connected to one of the gate lines and one of the data lines. The first data line is connected to at least a first any one of a second plurality of pixels in a first pixel column of the pixels. The second data line is connected to at least a first any one of a first plurality of pixels in the first pixel column. The third data line is connected to at least a second any one of the first plurality of pixels and at least a second any one of the second plurality of pixels.

Display panel and a display apparatus including the same

A display apparatus comprises a display panel comprising a plurality of dimming areas, a light source unit configured to supply light to the display panel, a timing controller configured to receive a control signal and input data and to generate a gate control signal, a data control signal, and a light source control signal, a display panel driving unit configured to drive the display panel based on the gate and data control signals, and a light source driving unit configured to drive the light source unit based on the light source control signal, wherein based on the input data, the timing controller is configured to determine a first color of at least any one dimming area among the dimming areas and a second color in a complementary color relationship to the first color and to supply information on the first and second colors to the light source driving unit.

Display apparatus and driving method thereof

A display device includes a display panel displaying an image and having a first radius of curvature, a distance measuring unit measuring a user distance, the user distance being a distance between the display panel and a user, and a curvature radius changing unit receiving the measured user distance from the distance measuring unit, to change the first radius of curvature of the display panel to a second radius of curvature different from the first radius of curvature.

Variable curvature display device and displaying method thereof

A scan driver includes scan-driving blocks, each including a first transistor having a gate coupled to a first node to supply a first power to an output terminal, a second transistor having a gate coupled to a second node to couple a second clock to the output terminal, a third transistor having a gate coupled to a first input to supply the first power to the first node, a fourth transistor having a gate coupled to a second input to supply a second power to the first node, and a fifth transistor having a gate coupled to a first clock to couple the first input to the second node. A first scan-driving block further includes a sixth transistor coupled between the second input and the fourth transistor gate, and a NOT gate configured to invert the first input signal and to supply the inverted signal to the sixth transistor gate.

Method for driving scan driver comprising plurality of scan-driving blocks

A display device includes a power supplier that generates a first power voltage, a display panel that includes a pixel generating a sensing signal by sensing a local voltage level of the first power voltage using a storage capacitor, and a data driver that generates a data signal based on image data and the sensing signal.

Display device having a data driver for sensing a voltage level difference and method of driving the same

A display device includes: a display panel including: a display portion for displaying an image; and a first pad coupled with the display portion and for receiving an out signal from the display portion; a driver coupled with the display portion for supplying a driving signal to the display portion; a cover covering the display panel; and a connection unit coupling the first pad and the driver to each other to transmit the out signal to the driver, wherein at least a portion of the connection unit is in the cover.

Display device

A pixel circuit includes a first organic light emitting diode (OLED), a second OLED, a storage unit coupled to a data line, the storage unit including a first capacitor configured to store at least one of a first data signal and a second data signal received via the data line, a first driver including a second capacitor configured to store the first data signal received via the storage unit, and a first transistor configured to control an amount of a current supplied to the first OLED in response to a voltage stored in the second capacitor, and a second driver including a third capacitor configured to store the second data signal received via the storage unit, and a second transistor configured to control an amount of a current supplied to the second OLED in response to a voltage stored in the third capacitor.

Pixel circuit and organic light emitting display including the same

A pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED to correspond to a voltage applied to a first node, a second transistor coupled between an anode electrode of the OLED and a feedback line, and having a gate electrode coupled to a control line, a third transistor coupled between the first node and a data line, and having a gate electrode coupled to a first scan line, a storage capacitor coupled between the first node and a second node, and a fourth transistor coupled between the second node and a reference power supply, and having a gate electrode coupled to a second scan line.

Pixel and organic light emitting display using the same

A pixel capable of displaying an image with uniform brightness is disclosed. In one aspect, the pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED in response to a voltage applied to a first node. The pixel also includes a second transistor that is coupled between a bias power supply and the first node and whose gate electrode is coupled to an emission control line. The pixel further includes a third transistor that is coupled between an anode electrode of the OLED and a feedback line and whose gate electrode is coupled to a control line.

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Yongin, South Korea

Bon-Seog Gu