Samsung Display Co., Ltd.

Seongheon Cho

Soon-Dong Kim

Seungjae Lee

Taehoon Kim

Bonghyun You

Hae-Kwan Seo

Dae-gwang Jang

Kuk-hwan Ahn

Joon-Chul Goh

Heesoon Jeong

Joon-chul Goh

Myungho Lee

Hae-kwan Seo

Jaehyung Cho

Ahyoung Son

A display device includes a display panel including pixels, driving chips applying data voltages to the pixels through channels; and a timing controller determining the data voltages output from the channels by each of the driving chips based on input image data, determining a load ratio of each of the driving chips based on the data voltages, generating a current temperature profile of a first pixel row based on the load ratio of each of the driving chips, generating a current temperature profile of a second pixel row based on the load ratio of each of the driving chips, and generating a two-dimensional temperature profile based on the current temperature profiles of the first pixel row and the second pixel row.

Display device and method of generating temperature profile of display device

A display device includes: a display panel displaying an image; and a drive controller receiving an image signal, and driving the plurality of pixels, and including a heat emitting controller, wherein the heat emitting controller includes: an average region setter receiving the image signal, setting, to one pixel region, some pixels of the plurality of pixels, and extracting an average gray level, based on gray levels of the some pixels of the plurality of pixels to set an average region from the pixel region; a diffusion region setter substituting a diffusion region, which is set to have a temperature corresponding to the average gray level, into the average region; and a look-up table map generator generating a look-up table map by predicting, based on the diffusion region, heat emitted from an inner part of a display region of the display panel and varied depending on the image.

Drive controller, display device, and method for driving display device

A display apparatus includes a display panel, a driving controller and a data driver. The driving controller operates a stain compensation for a first compensation area of the display panel in a first frame and for a second compensation area of the display panel in a second frame to generate a data signal. The data driver converts the data signal into a data voltage and outputs the data voltage to the display panel.

Display apparatus, virtual reality display system including the same, augmented reality display system and method of driving the same

A scan driving circuit of a display device includes a first output terminal electrically connected to a first scan line, a second output terminal electrically connected to a second scan line, a first masking circuit electrically connecting the first output terminal and the second output terminal and outputting, as a first scan signal, a second scan signal to the first output terminal, a driving circuit outputting the second scan signal to the second output terminal in response to clock signals and a carry signal, and a second masking circuit masking the second scan signal to a predetermined level in response to the second masking signal, wherein the first masking circuit electrically disconnects the first output terminal from the second output terminal in response to a first masking signal.

Scan driving circuit and display device including the same

A light emission driving circuit includes a driving circuit configured to output a light emission driving signal to a first output terminal and output a switching signal to a first node in response to clock signals and a first carry signal, and a first masking circuit configured to output a second carry signal to a second output terminal in response to a masking clock signal, the light emission driving signal, and the first switching signal. The masking clock signal is a signal which is maintained at a first level during a normal mode and periodically changes during a low power mode.

Light emission driving circuit, scan driving circuit and display device including same

A display apparatus includes: a sensor substrate including a first area and a second area; a plurality of sensors at the first area and not at the second area; a display panel on the sensor substrate, the display panel including a first display area corresponding to the first area, and a second display area corresponding to the second area, the first display area including a pixel area and a non-pixel area; at least one subpixel at the pixel area and no subpixels at the non-pixel area; and a display panel driver to control a driving signal of the first display area and a driving signal of the second display area according to a ratio between the pixel area of the first display area and the non-pixel area of the first display area.

Display apparatus and method of driving the same

A light emission driving circuit includes a driving circuit configured to output a light emission driving signal to a first output terminal and output a switching signal to a first node in response to clock signals and a first carry signal, and a first masking circuit configured to output a second carry signal to a second output terminal in response to a masking clock signal, the light emission driving signal, and the switching signal. The masking clock signal is a signal which is maintained at a first level during a normal mode and periodically changes during a low power mode.

A display device includes a display panel including a first display region having first pixels connected to first data lines and scan lines and a second display region having second pixels connected to second data lines and the scan lines, a voltage generator configured to generate a first driving voltage, a driving controller configured to output a first switching signal and a second switching signal, and a switching circuit configured to provide the first driving voltage to the first pixels in response to the first switching signal and provide the first driving voltage to the second pixels in response to the second switching signal, wherein the driving controller determines whether each of the first display region and the second display region is a visible region or a non-visible region, and outputs the first switching signal and the second switching signal corresponding to a determination result.

Flexible display device

A display device and a smart watch are disclosed. In one aspect, the display device includes a front display panel configured to display a front image in a front direction and having an edge at the perimeter that is curved. The display device also includes a side display panel that is curved and configured to display a side image in a side direction conforming to the edge of the front display panel. The display device further includes a driver circuit board connected to the front and side display panels and configured to respectively apply first and second signals, corresponding to image data, to the front and side display panels.

Display device and smart watch

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.

Growing community of inventors

Hwaseong-si, South Korea

Seongheon Cho