Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Heesoon Jeong

Minsoo Kim

Cheolwoo Park

Kyoungwon Lee

Suyeon Yun

Myungho Lee

Suhyeong Park

Jimyoung Seo

Ahyoung Son

Yoona Kim

Sunghoon Kim

Bonghyun You

Hae-Kwan Seo

Jaekeun Lim

Won Sik Oh

Jinho Park

Seongmin Wang

Chan-Young Park

Donghyeon Lee

Jusuck Lee

Taejin Kim

Soo-wan Yoon

Jongsung Bae

Seongheon Cho

Yunki Baek

Young-Cheol Jeong

Hyundae Lee

Jaehyung Cho

Chan Young Park

Anna Ryu

Gigeun Kim

Seongmin Cho

Soowan Yoon

Hoyong Jung

Jeehyun Lee

Sangmi Kim

Jeongjin Hong

Jaemin Ha

Eunsil Han

Byunghee Choi

An embodiment of a display device includes: a first display area; a second display area including a transmission area; a third display area between the first display area and the second display area; and a plurality of pixel circuits in the third display area and electrically connected to the plurality of third light-emitting elements, respectively. Each of the plurality of pixel circuits includes: a first thin-film transistor including a first semiconductor layer and a first gate electrode overlapping at least a portion of the first semiconductor layer; a second thin-film transistor including a second semiconductor layer including a material different from that of the first semiconductor layer and a second gate electrode overlapping at least a portion of the second semiconductor layer; and a bottom shielding layer below the second semiconductor layer and overlapping at least a portion of the second semiconductor layer on a plane.

Display device

An organic light emitting diode (OLED) display device includes: a display panel including a first region and a second region; and a scan driver including a plurality of first stages and a plurality of second stages which are coupled to each other. The plurality of first stages is configured to provide scan signals and sensing signals to the first region, and the plurality of second stages is configured to provide the scan signals and the sensing signals to the second region. A configuration of the plurality of first stages is different from a configuration of the plurality of second stages.

Organic light emitting diode display device performing a sensing operation

An organic light emitting display device includes: a display part comprising a plurality of pixel circuits, a pixel circuit from among the pixel circuits comprising: an organic light emitting diode; and a first transistor, the first transistor comprising a first electrode configured to receive a power source voltage and a second electrode connected to the organic light emitting diode; an initial voltage determiner configured to change a level of an initial voltage using image data of a frame; a sensor configured to apply the initial voltage to the second electrode of the first transistor; and a data driver configured to apply a data voltage to the control electrode of the first transistor.

Organic light emitting display device and method of driving the same

An electronic apparatus includes a display part, a touch screen, and a display controller. The display part includes a first display area and a second display area opposite to the first display area. The touch screen is configured to sense a first touch input from the first display area and a second touch input from the second display area. The display controller is configured to control activation and deactivation of the first display area and the second display area based on the first touch input and the second touch input.

Electronic apparatus and method of driving the same

A display device includes a display panel including a plurality of pixel circuits each having a light-emitting element, the display panel being divided into a plurality of display regions comprising respective groups of the pixel circuits, and a display panel driving circuit configured to drive the display panel by sequentially performing an emission preparation operation, a scan operation, and an emission operation for the pixel circuits, and configured to perform the emission operation independently on each of the display regions, wherein, in each frame, the display panel driving circuit is configured to calculate a region grayscale that each of the display regions is to implement by analyzing grayscale data to be applied to the pixel circuits in each of the display regions, and to change a length of an emission period for each of the display regions based on the calculated region grayscale, the emission operation being performed in the emission period.

Display device and method of driving a display panel

An all-around display device according to embodiments includes a display panel including first to J-th display areas having pixels and respectively corresponding to surfaces, a gate driver for providing a gate signal to the display panel through first to N-th gate lines, and for providing an initialization signal to the display panel through first to N-th initialization lines, an emission driver for providing an emission control signal to the display panel through first to N-th emission control lines, a display area control driver for providing first to J-th global control signals respectively corresponding to the first to J-th display areas to selectively determine light emission of each of the first to J-th display areas, and a data driver for providing a data voltage to the display panel through data lines, wherein J is an integer that is greater than 1, and N is an integer that is greater than J.

All-around display device and pixel in the same

A display device includes a display panel having a first portion, a second portion extending from the first portion, and a third portion extending from the second portion and facing the first portion; a body configured to be located between the first and third portions and being configured to be coupled to the display panel in a first state or in a second state or to be separated from the display panel, the body including four peripheral surfaces; a driver configured to drive the display panel; and a printed circuit board configured to apply a signal to the driver to drive the display panel, wherein the display panel covers the different surfaces of the body in the first state and in the second state.

Display device and portable terminal

A display apparatus includes a display panel configured to display an image and including a first pad part, the first pad part including a plurality of first pads disposed at a first edge thereof, and a printed circuit board having an insertion hole in which at least a portion of the first edge of the first pad part is accommodated. The printed circuit board includes a plurality of first terminals disposed on an inner surface of the insertion hole to contact the plurality of first pads.

Display apparatus with curved contacts

A display device is disclosed. In one aspect, the display device includes a first pixel disposed in an odd numbered pixel column and in a first pixel row, a second pixel disposed in an even numbered pixel column and in the first pixel row and a data line disposed between the odd and even numbered pixel columns and configured to apply a plurality of data voltages to the first and second pixels. The display device also includes a first odd number scan line configured to transmit a first odd number scan signal to the first pixel during a first data writing period, a first even number scan line configured to transmit a first even number scan signal to the second pixel during a second data writing period, and a second scan line configured to transmit a second scan signal to the first and second pixels during an initialization period.

Display device including two scan lines for same pixel

A display apparatus includes: a plurality of first scan lines which extend in a radial direction; a plurality of second scan lines between adjacent first scan lines of the plurality of first scan lines which are adjacent to each other; a plurality of data lines which extend in a circular direction and intersect with the first and second scan lines; and a plurality of pixels in an area partitioned by the first scan lines, the second scan lines, and the data lines, the plurality of pixels being connected to the first scan lines, the second scan lines, and the data lines.

Display apparatus

A flexible printed circuit board includes a base substrate, a first pad part on the base substrate, a second pad part on the base substrate, and a line part on the base substrate, the line part electrically connecting the first pad part and the second pad part. The base substrate includes a first body part including the first pad part thereon and having a curved edge, a second body part including the second pad part thereon, and a connection part between the first pad part and the second pad part and having a width decreasing as a distance from the first body part increases and a distance from the second body part decreases.

Flexible printed circuit board and display device having the same

An electronic device includes a pressure providing part, a fluid, and a tactile sensation providing layer. The pressure providing part generates an initial pressure by an electrical signal. The fluid generates a fluidic pressure by the initial pressure in each of active regions partitioned from each other. The tactile sensation providing layer is configured to protrude by the fluidic pressure. The pressure providing layer may include piezoelectric elements mechanically modified by the electrical signal.

Electronic device and method for providing information thereof

A display apparatus includes a display panel and a driving circuit. The display panel includes pixels. Each of the pixels is connected to one of gate lines and one of data lines. The driving circuit drives the gate lines and the data lines to display an image on the display panel. The driving circuit alternately provides a first polarity data driving signal and a second polarity data driving signal to each of the plurality of data lines. During an asymmetrical mode, the first polarity data driving signal is provided to first data lines of the data lines during a first frame period before a blank period begins, and the second polarity data driving signal is provided to the first data lines during a second frame period after the blank period ends. The second frame period excludes the blank period.

Liquid crystal display apparatus

A display apparatus includes a display panel configured to display an image, a data driver including a voltage generator configured to convert an image data applied thereto to a data voltage and a buffer configured to apply the data voltage to the display panel, a timing controller including a mode controller configured to generate a mode selection signal on the basis of an image frame rate of the image data. The data driver is configured to be operated in a power cut-off mode or a stand-by mode in response to the mode selection signal. The driving voltage switch is configured to cut off the analog driving voltage applied to at least one of the buffer and the voltage generator during the power cut-off mode and the bias controller is configured to reduce a bias current in the stand-by mode.

Display apparatus having a data driver operated in a power cut-off mode or a stand-by mode

An image display system includes a camera part and an image display part. The image display part includes a user analyzer, a gamma corrector, a gamma voltage generator, and a display panel. The camera part takes a picture of a user and generates a user image signal. The user analyzer calculates the user's viewing direction based on the user image signal. The gamma corrector generates a correction gamma value based on the viewing direction. The gamma voltage generator generates a gamma voltage based on the correction gamma value, and the display panel displays an image corresponding to the gamma voltage. Accordingly, the image display system provides the image having an optimized gamma curve to the user in real time even without a separate input from the user.

Growing community of inventors

Hwaseong-si, South Korea

Heesoon Jeong