Patent classifications
G09G2310/0272
Display device
A display device includes each of the plurality of data lines divided into a plurality of sub data lines, and each of the plurality of sub data lines connected to a plurality of sub pixels having the same color, the first reference voltage line connected to the plurality of first sub pixels disposed in the 8k-7th column, the plurality of second sub pixels disposed in the 8k-6th column, the plurality of third sub pixels disposed in the 8k-5th column, the plurality of fourth sub pixels disposed in the 8k-4th column, and the second reference voltage line is connected to the plurality of first sub pixels disposed in the 8k-3rd column, the plurality of second sub pixels disposed in the 8k-2nd column, the plurality of third sub pixels disposed in the 8k-1st column, the plurality of fourth sub pixels disposed in the 8k-th column.
Displays with current-controlled pixel clusters
A current-selectable light-emitting-diode (LED) display includes pixels distributed in an array of rows and columns. The pixels are grouped in mutually exclusive clusters and cluster controllers are connected to each pixel in a cluster of pixels to control the pixels in the cluster to emit light. Each cluster controller comprises a selectable current source. Each of the selectable current sources can include cluster current sources that are responsive to a current-select signal to enable one or more of the cluster current sources. The pixels can include micro-LEDs and the cluster controller can be disposed between the micro-LEDs. The display can be disposed on a display substrate with signal wires. The signal wires can include separate wire segments that are electrically connected through regeneration circuits that regenerate the signals. The display can be an information display or a backlight.
DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
A display device is disclosed that includes a display panel, a timing controller, and a data driver. The display panel includes a plurality of pixels. The timing controller is configured to calculate an on-pixel ratio of first image data and correct the first image data into second image data based on the on-pixel ratio. The data driver is configured to generate a data signal based on the second image data and provide the data signal to the pixels. The timing controller calculates the second image data by estimating a temperature of the display panel using the on-pixel ratio and gamma-correcting the first image data in response to the temperature.
DATA DRIVING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
The present disclosure relates to a data driving device and a display device including the same, and more particularly, to a data driving device and a display device including the same, capable of improving the slew rate and the display speed of the display device by overdriving a pixel of a display panel with a power voltage of the data driving device.
Display device
The present embodiments disclose a display device. A display device according to an embodiment of the present disclosure comprises a pixel unit including a plurality of pixels, each including a luminous element and a pixel circuit connected to the luminous element, a clock generator configured to generate a plurality of clock signals each corresponding to each of a plurality of subframes constituting a frame, and a parallel to serial converter configured to convert the plurality of clock signals to a serial clock signal and transfer the serial clock signal to the pixel unit, and wherein the pixel circuit of each pixel includes a first pixel circuit configured to control light-emission and non-emission of the luminous element in response to a control signal applied to each of the plurality of subframes and a second pixel circuit configured to store bit values of image data in the frame and generate the control signal based on the stored bit values and the serial clock signal such that each subframe included in the frame is controlled according to each bit value.
Display panel and display device
A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module. The driving module includes a driving transistor, and is configured to provide a driving current for the light-emitting element. The pixel circuit includes a control terminal configured to receive a first light-emitting control signal, the first light-emitting control signal is an effective pulse, and the driving module corresponding to the control terminal is turned on during the effective pulse. A time period of one frame of the display panel includes a non-light-emitting stage and a light-emitting stage, an operating state of the pixel circuit includes a first mode and a second mode, a time length of the non-light-emitting stage in the first mode is L1, and a time length of the non-light-emitting stage in the second mode is L2, where L1>L2.
DISPLAY PANEL REDUNDANCY SCHEMES
Display panel redundancy schemes and methods of operation are described. In an embodiment, and display panel includes an array of drivers (e.g. microdrivers), each of which including multiple portions to independently receive control and pixel bits. In an embodiment, each driver portion is to control a group of redundant emission elements.
Display device and method of driving the same based on previous frame load
A display device includes: a display panel including pixels emitting light, based on a data voltage; a current limiter for determining a scale factor by comparing a previous frame load with a predetermined threshold load, and generating compensated image data by applying the scale factor to current image data as input image data of a current frame to adjust the data voltage; and a data driver for converting the compensated image data into the data voltage and providing the data voltage to the display panel.
RECEIVER OF DISPLAY DRIVER AND OPERATING METHOD THEREOF
A receiver of a display driver and an operating method of the receiver of the display driver are provided. The receiver of the display driver includes an input interface, an operational amplifier and a bias current control circuit. The input interface receives image data. The operational amplifier is coupled to the input interface and includes a bias current circuit. The bias current control circuit adjusts a bias current of the bias current circuit according to a data rate of the image data. The operating method is adapted to the receiver of the display driver.
DISPLAY PANEL, DISPLAY DEVICE INCLUDING THE SAME, AND MANUFACTURING METHOD THEREOF
Disclosed are a display panel in which a unit pixel is divided into a wide-angle area and a narrow-angle area in which at least sub-pixel is disposed and light emission is individually and selectively performed, a display device including the same, and a manufacturing method thereof. A semi-cylindrical lens is disposed in the wide-angle area so as to cover a plurality of sub-pixels. Semi-spherical lenses are disposed in the narrow-angle area so as to cover sub-pixels respectively. Therefore, a direction of light emitting from a light-emitting layer is controlled by adjusting a refractive index of each of the lenses in the wide-angle area and the narrow-angle area. Thus, a viewing angle is controlled.