Samsung Electronics Co., Ltd.

Ho-seop Lee

Dae-sik Kim

Jong-hoon Jung

Tetsuya Shigeta

Jong-sul Min

Sung-Soo Kim

Sergey Aleksandrovich Shestak

Young-sun Kim

Kyu-Chan Lee

Seong-phil Cho

Sang-young Park

Hwa-seok Seong

Do-young Kwag

Kyung-hoon Cha

Sang-moo Park

Young-Ji Ko

Jae-hyang Lee

Jong-hoon Jeong

Sang-kyun Im

Min-Kyung Cho

Myung-jae Kim

Byeong-cheol Hyeon

Oh-jae Kwon

Jin-mo Kang

Tae-je Park

Sung-Jin Lim

Seung-yong Shin

Kyu-chan Lee

Gang-mo Koo

Dong-myung Son

Soo-bae Moon

A display device is disclosed. The display device comprises: a display including a plurality of display modules; a display driving unit including a plurality of driving modules connected to each of the plurality of display modules; a storage for storing current control information according to the luminance of a display device; and a processor for calculating the maximum power amount available in each of the plurality of display modules on the basis of the entire power capacity, which can be provided by the plurality of driving modules, and of the individual power consumption amount of each of the plurality of display modules, calculating a peak luminance level of each of the plurality of display modules on the basis of the calculated maximum power amount, and controlling, on the basis of the current control information, the plurality of driving modules such that each of the plurality of display modules has the corresponding peak luminance level.

Display device and driving method therefor

A display apparatus includes a display panel comprising a plurality of light emitting elements, a panel driver configured to drive the display panel by applying a current to the plurality of light emitting elements, a memory configured to store luminance information according to a current of the light emitting elements, and a processor configured to determine a target luminance of the light emitting elements based on a gray level of an image, and to control the panel driver to drive the display panel by adjusting a current applied to the light emitting elements based on the target luminance and information stored in the memory and adjusting a duty to which the adjusted current is applied.

Display apparatus and driving method of display panel

A display apparatus, including a display panel which includes a light emitting element, a storage configured to store a plurality of compensation coefficients corresponding to a plurality of gray levels according to a parasitic capacitance of the light emitting element, and a processor configured to obtain a compensation coefficient from the plurality of compensation coefficients based on at least one of a position of a scan line and a gray level of scan data, compensate the gray level of the scan data based on the obtained compensation coefficient, and drive the light emitting element based on the compensated gray level.

Display apparatus, control method and compensation coefficient calculation method thereof

A display panel including a plurality of pixel circuits is provided. Each of the plurality of pixel circuits includes a light emitting unit including a light emitting element; a control circuit configured to control a light emitting duration of the light emitting element based on an input end voltage; a first switching element connected between an input end and an output end of the control circuit; and a signal input unit including a second switching element and configured to transmit an input signal to the input end of the control circuit. The first switching elements of each of the plurality of pixel circuits are configured to simultaneously turn on or off.

Display panel and driving method of display panel

A pixel circuit of a display panel is provided, which includes a light emitting element configured to emit light in accordance with a drive current, a current source including a driving transistor connected to the light emitting element, and the current source is configured to provide the drive current having a different amplitude to the light emitting element in accordance with a level of a voltage applied to a gate terminal of the driving transistor, an amplitude setting circuit configured to apply a voltage having a different level to the gate terminal of the driving transistor, and a pulse width control circuit configured to control a duration of the drive current by controlling the voltage applied to the gate terminal of the driving transistor.

Pixel circuit of display panel and display device

An LED display module and a display apparatus are provided. The LED display module includes: an LED part including a plurality of first LEDs in a first row and a plurality of second LEDs in a second row; a first driver integrated circuit (IC) commonly connected to at least one of the plurality of first LEDs and at least one of the plurality of second LEDs, and a second driver IC commonly connected to another at least one of the plurality of first LEDs and another at least one of the plurality of second LEDs; a first switch connected to a plurality of the first LEDs disposed in odd-numbered columns of the first row, a second switch connected to a plurality of the second LEDs disposed in odd-numbered columns of the second row, a third switch connected to a plurality of the first LEDs disposed in even-numbered columns of the first row, and a fourth switch connected to a plurality of the second LEDs disposed in even-numbered columns of the second row; and a controller configured to control the first to fourth switches to be sequentially turned on.

LED display module and display apparatus

A display apparatus constituting a video wall system is provided. The display apparatus includes a display, a first communicator configured to perform communication with at least one adjacent display apparatus, and a processor configured to allocate identification information corresponding to the display apparatus based on identification information received from the adjacent display apparatus and information on a location relationship of the display device relative to the adjacent display apparatus and display a sub-image of an image through the display based on the allocated identification information.

Display apparatus, display system, and controlling method thereof

A display panel is provided. The display panel includes pixels that include a red (R) subpixel, a green (G) subpixel, a blue (B) subpixel, and a white (W) subpixel arranged in a first package and a second package disposed adjacent to the first package. The first package includes the B subpixel and the G subpixel and the second package includes the R subpixel and the W subpixel.

Display panel, display apparatus and controlling method thereof

A display apparatus is disclosed. The display apparatus includes a panel unit which comprises a plurality of sub pixels having different colors; a backlight unit which provides backlight to the panel unit using a white light source and a blue light source; an image processing unit which converts image data into first color frame data and second color frame data; a panel driving unit which turns on a first color sub pixel according to the first color frame data, and which turns on a second color sub pixel according to the second color frame data; a backlight driving unit for driving the backlight unit; and a control unit which controls the backlight driving unit to consecutively turn on the white light source and the blue light source according to operations of the panel driving unit. Accordingly, brightness may be enhanced.

Display method and apparatus having a display panel with a backlight unit utilizing white and blue light sources

A display apparatus is provided. The display apparatus includes: an image input configured to receive an image; a display panel configured to include a plurality of pixels and respectively emit light in the plurality of pixels in order to display the image; a panel driver configured to drive the display panel; and a controller configured to analyze a motion of the image and control the panel driver to drive the display panel by using different driving methods according to a size of the analyzed motion.

Display apparatus and controlling method thereof

Methods and apparatuses are provided for compensating for a temperature of a liquid crystal display (LCD) panel. The method includes selecting a lookup table corresponding to a detected temperature of the LCD panel from among lookup tables for a 3-dimensional (3D) display of the LCD panel; and adjusting luminance to be output to the LCD panel based on the selected lookup table.

Method and apparatus for compensating for temperature variations of a liquid crystal display panel for a 3-dimensional display

A three-dimensional (3D) display panel, a 3D display apparatus using the same, and a driving method thereof are provided. The 3D display apparatus includes: an image display panel which displays an image; a phase shift panel which alternately shifts a polarization direction of light outputted from the image display panel; a backlight unit which provides a backlight; and a control unit which turns off the backlight unit during a crosstalk period where the phase shift panel performs the shift operation and to turn on the backlight unit for a stabilization period after the crosstalk period.

3D display panel and 3D display apparatus using the same and driving method thereof

A method of generating a sync signal for controlling three-dimensional (3D) glasses in a 3D image system, methods of transmitting and receiving a 3D glasses control sync signal, and apparatuses for transmitting and receiving the 3D glasses control sync signal are provided. The method of generating a 3D glasses control sync signal includes: generating sync signal start indicator information notifying a start of a 3D glasses control sync signal, state sequence mode information indicating an operating state of the 3D glasses with regard to whether a left glass or a right glass is opened or closed, and sequence duty information indicating a retaining time period of the operating state of the 3D glasses; and generating the 3D glasses controlling signal by combining the generated sync signal start indicator information, the generated state sequence mode information, and the generated sequence duty information according to a set order.

Method of generating sync signal for controlling 3D glasses of 3D image system, and method and apparatus for transmitting and receiving the sync signal

A method for driving a display panel and a display apparatus applying the same are provided. The method includes driving all lines of the display panel in a first scanning section of a section to display one frame, and driving one of an even line and an odd line of the display panel in a second scanning section of the section to display the one frame. Accordingly, a crosstalk phenomenon in the display apparatus is removed and image quality of a 3D stereoscopic image is improved.

Method for driving display panel and display apparatus applying the same

A stereoscopic display apparatus includes a display panel which scans an image at a frame frequency that is an odd-numbered multiple of a field frequency, an image signal input unit which inputs an image signal to the display panel, a backlight unit which emits light to the display panel, and a shutter controller which controls an opening and a closing of a left eye shutter and a right eye shutter of shutter glasses.

Growing community of inventors

Seongnam-si, South Korea

Ho-seop Lee