Sapien Semiconductors Inc.

Lg Electronics Inc.

Dae Young Jung

Ji Haeng Lee

Ji Han Kim

Jong Gu Jeon

Sung Ho Hwang

Jin Woong Jang

Do Kyung Kim

Hye Min Bae

Hyun Tae Jung

Jae Kyung Lee

Kun Sik Lee

Myunghee Lee

Gyu Seung Kim

Geun Taek Lee

Hae Jin Bae

Provided is a pixel driving circuit including a first circuit configured to control, in a data writing mode, a signal related to driving of one or more light-emitting elements, and a second circuit configured to supply, in a driving mode, power to the one or more light-emitting elements based on a signal transmitted from the first circuit.

Pixel and display apparatus of which static power consumption is reduced

A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.

Pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display device

Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.

Pixel, display device reducing static power consumption and driving method thereof

A pixel driving circuit includes a memory unit including a data memory and a register and storing data related to driving of a luminous element, a driver supplying electrical power to the luminous element based on data stored in the memory unit, and a reset unit controlling reset of the memory unit, wherein the reset unit generates a first reset signal for controlling reset of the data memory and a second reset signal for controlling reset of the register.

Pixel and display apparatus digitally controlling reset of memory

Disclosed is a digital display system based on a common interface. More particularly, a cluster pixel circuit includes a row terminal connected to a row line for receiving PWM (Pulse Width Modulation) clock signal; a column terminal connected to a column line for receiving N-bit data; a first individual pixel driver for driving a first pixel in the cluster pixel; and a second individual pixel driver connected to the first individual pixel driver and for driving a second pixel in the cluster pixel.

Cluster pixel circuit and digital display system

A pixel driving circuit includes a memory unit storing data based on a first signal and a second signal, a driver connected to a luminous element and supplying electric power to the luminous element based on the data stored in the memory unit, and a test controller controlling entry into a test mode in which it is tested whether the pixel driving circuit is defective, wherein the test controller generates a test mode activation signal based on the first signal and the second signal.

Pixel and display apparatus capable of controlling test function preliminary class

A display driving apparatus transmitting data to each of a plurality of display driver integrated circuits (ICs) through a mobile industry processor interface (MIPI) using a point-to-multipoint (multi-drop) manner and a data transmission method thereof, the method may obtain display data and command data, transmit the display data and the command data to each of a plurality of display driver ICs through a MIPI using a point-to-multipoint (multi-drop) manner, and independently control sub-pixels corresponding to each of the plurality of display driver ICs based on the display data and the command data.

Display apparatus and data transmission methods thereof

A method is described for controlling a television. While receiving and displaying a broadcast signal on a screen of the television, the television receives a first signal from a remote controller and displays a control icon corresponding to the remote controller on the screen. The screen is partitioned into a first and second partition, the first partition being a broadcast signal display region continuing to display the broadcast signal, and the second partition being a television control region that includes television control icons and/or subregions. A second signal is wirelessly received from the remote controller, the second signal representing a movement of the remote controller. The control icon is moved across the screen of the television in response to the movement of the remote controller. A channel list is displayed based on whether the second sign is recognized within or out of the second partition.

Digital broadcast receiver controlled by screen remote controller and space remote controller and controlling method thereof

A method for operating an image display apparatus includes providing input signals to the image display apparatus, displaying at least one image on a display based on the input signals, generating a plurality thumbnail images based on the input signals, and displaying a thumbnail-image list which includes a plurality of generated thumbnail images.

Image display apparatus and operating method thereof

A data processing method and a television controlled by a remote controller are described. The television includes a tuner to receive a broadcast program, an infrared (IR) module to receive an IR signal from a physical remote controller, a controller to change a power-off state into a power-on state based on the received IR signal, a radio frequency (RF) module configured to receive an RF signal from the physical remote controller, and a display module to display a screen remote controller in a predetermined region while displaying the received broadcast program in a screen of the television. The screen remote controller's size is changeable depending on a user's selection. The screen remote controller comprises a first control region comprised of sub-regions used to change at least one channel of the television and a second control region comprised of at least one sub-region used to link to the Internet.

A digital broadcast receiver controlled by a screen remote controller and a space remote controller and controlling method, the method including according to an embodiment displaying a screen remote controller, partitioning a portion of a whole screen of the broadcast receiver into at least two control regions, displaying a pointer to enable a first pointing signal outputted from the space remote controller to indicate one control region of the screen remote controller, receiving a second pointing signal from the space remote controller, and executing a function corresponding to the one control region indicated by the pointer.

Provided is a method of downloading, by a digital broadcast receiver, a software for upgrade through broadcast signals. According to the method, existence of a receiver software to be downloaded is checked, and a reservation time for downloading of the software is set. After that, a download and upgrade of the software are performed at the set reservation time.

Growing community of inventors

Seoul, South Korea

Dae Young Jung