Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Dale Yim

Hosuk Maeng

Dong Rock Seo

Nam-Gon Choi

Jeong Eun Kim

Takeshi Kato

Sang-su Lee

In Bok Song

Geun Young Jeong

Ho-chul Shin

Seok Hwan Roh

Seongkyun Kim

Wonbok Lee

Gunhee Chung

A display apparatus includes: a display panel including a plurality of pixels; a data driver which applies data voltages to the pixels; a gate driver which applies gate signals to the pixels; and a driving controller which controls the data driver and the gate driver. The driving controller divides the display panel into a plurality of panel blocks, calculates a skin color inclusion ratio of each of the panel blocks based on input image data, determines at least one face region candidate block among the panel blocks based on the skin color inclusion ratio, determines a face region block of the at least one face region candidate block based on the at least one face region candidate block and face matching data, and performs image quality processing on the face region block.

Display apparatus and method of driving the same

A display device including a first non-folding area, a second non-folding area, a third non-folding area, and a fourth non-folding area, and is that configured to be in-folded based on folding lines between the first non-folding area, the second non-folding area, the third non-folding area, and the fourth non-folding area, the display device including: a display panel including a light transmission display area in a portion of the first to third non-folding areas, and a light blocking display area in remaining areas of the first to third non-folding areas; a light transmission control layer in the light blocking display area; and a main processor configured to control the light transmission control layer and the display panel, wherein the main processor is configured to output a flat image in a first mode and to display a hologram image in a second mode.

Display device

A display device including: a processor outputting an input frame; a stereo frame generator generating a first frame and a second frame based on the input frame; a first sub-display device displaying a first image based on the first frame; and a second sub-display device displaying a second image based on the second frame, wherein a first color gamut of the first frame is different from a second color gamut of the second frame.

Display device and a driving method thereof

A display device includes: a processor for generating first input image data, a first input data enable signal, second input image data, and a second input data enable signal; a first stereopsis depth adjuster for generating first output image data and a first output data enable signal, based on the first input image data and the first input data enable signal; a first sub-display device for displaying a first object, based on the first output image data and the first output data enable signal; a second stereopsis depth adjuster for generating second output image data and a second output data enable signal, based on the second input image data and the second input data enable signal; and a second sub-display device for displaying a second object, based on the second output image data and the second output data enable signal. The first stereopsis depth adjuster shifts the first output data enable signal relative to the first input data enable signal, or the second stereopsis depth adjuster shifts the second output data enable signal relative to the second input data enable signal, and a position of the first object or the second object is adjusted.

Display device with adjustable stereopsis depth and driving method thereof

An electronic device comprises a first display panel including first pixels which display a left eye image, a second display panel including second pixels which display a right eye image, and a display panel driver configured to apply a left eye data voltage to the first pixels and to apply a right eye data voltage to the second pixels. The first display panel and the second display panel are configured to operate in a 2D image mode in which the left eye image and the right eye image which are identical to each other are displayed or to operate in a 3D image mode in which the left eye image and the right eye image which are different from each other are displayed, based on an image motion value and a 3D depth value.

Electronic device and method of driving the same

A display device includes a display panel, a data driver and a demultiplexer circuit. The display panel includes first, second, third and fourth data lines, and first, second, third and fourth sub-pixels respectively coupled to the first, second, third and fourth data lines. The data driver includes a first output channel and a second output channel. The demultiplexer circuit selectively couples at least one of the first data line and the third data line to the first output channel in response to first and second switching signals, and selectively couples at least one of the second data line and the fourth data line to the second output channel in response to third and fourth switching signals different from the first and second switching signals.

Display device including a demultiplexer circuit

A display device of the present disclosure includes a pixel unit having a plurality of pixel rows; a color controller configured to convert input grayscales for each of the pixel rows into output grayscales based on user setting parameters; and a data driver configured to supply data voltages corresponding to the output grayscales to each of the pixel rows, and the color controller includes a plurality of grayscale converters configured to convert the input grayscales for a plurality of target pixels corresponding to a part of a pixel row into the output grayscales in parallel, wherein the plurality of target pixels are most adjacent to each other; and a path determiner configured to match the output grayscales with the plurality of target pixels.

Display device and driving method thereof

A high dynamic range (HDR) post-processing device of a display device includes a HDR post-processing analysis block configured to determine a post-processing function by analyzing input image data, and a HDR post-processing processor configured to receive a backward select signal, and to selectively perform a HDR forward process corresponding to the post-processing function or a HDR backward process corresponding to an inverted function of the post-processing function on the input image data in response to the backward select signal.

High dynamic range post-processing device, and display device including the same

A contrast enhancement device included in a display device includes an analysis circuit which receives input image data as input data in a normal mode, receives input test data as the input data in a diagnosis mode, and determines a contrast enhancement coefficient by analyzing the input data, a process circuit which generates output data by performing a contrast enhancement process on the input data based on the contrast enhancement coefficient, where the output data in the normal mode is output image data corresponding to the input image data, and the output data in the diagnosis mode is output test data corresponding to the input test data, and a diagnosis circuit which outputs the output image data in the normal mode, and generates diagnosis result data for the contrast enhancement device by comparing the output test data with reference test data in the diagnosis mode.

Contrast enhancement device, and display device including the same

An electronic device includes: a display panel including a first display area at a first area, and a second display area at a second area; a plurality of first patch antennas in the first area; a plurality of second patch antennas in the second area; a display driving unit to drive the display panel; a radio frequency (RF) driving unit to drive the first and the second patch antennas; and a main processor to control the display driving unit and the RF driving unit to perform wireless data communication by using the first or the second patch antennas in a first mode in which an image is displayed through the first or second display areas, and to perform wireless data communication by using the first and the second patch antennas in a second mode in which an image is displayed through the first and second display areas.

Electronic device and communication method

A flexible display device includes a flexible display panel having a first display area that is adjacent to a first end of the flexible display panel and a second display area that is adjacent to a second end of the flexible display panel, a data driver configured to output a data voltage to the flexible display panel, and a driving controller configured to control the data driver. Here, a second image displayed in the second display area compensates for a first image displayed in the first display area.

Flexible display device and method of driving the flexible display device

A display apparatus includes a display panel, a contrast analyzer, a contrast processor and a data driver. The display panel includes a plurality of sub display areas. The display panel is configured to display an image based on input image data. The contrast analyzer is configured to analyze the input image data in a time division method. The contrast processor is configured to adjust contrast of the input image data based on analysis result of the contrast analyzer. The data driver is configured to generate data voltages based on output data of the contrast processor. A number of contrast analysis cores of the contrast analyzer is determined according to a number of the sub display areas and a frame rate.

A display device may include a display panel, N receiving antennas integrated with the display panel, where N is an integer greater than 2, a communication module, and a display driver. The communication module receives a video communication signal using a subset of receiving antennas of the N receiving antennas and an audio communication signal using at least one receiving antenna of the N receiving antennas that is different from the subset of receiving antennas and generates original video data based on the video communication signal and audio data based on the audio communication signal. The display driver receives the original video data from the communication module and drives the display panel based on the original video data.

Display device performing multiple input multiple output communication, and communication system

A device for controlling a color gamut includes: a color mapping module which converts a source image signal, based on a first color gamut look-up table; and a color gamut shift module which sets a second color gamut look-up table, based on a grayscale value determined corresponding to an external factor or user setting. When the color gamut shift module is enabled, the color mapping module converts the source image signal, based on the second color gamut look-up table.

Device and method for controlling color gamut, and display device including the device

An organic light-emitting display device includes a data converter which generates, using first data corresponding to a first type and supplied from an external device, second data corresponding to a second type different from the first type, and generates, using the second data, third data corresponding to a third type different from the first or second type, and a display unit which displays, using a plurality of unit pixels, an image corresponding to data output from the data converter. Each of the unit pixels includes a first subpixel and a second subpixel disposed on a first column, and third subpixels disposed on a second column parallel to the first column. The data converter generates the second data based on an arrangement of the first to third subpixels.

Growing community of inventors

Yongin-si, South Korea

Dale Yim