Patent classifications
G09G3/3688
Display device and electronic device
A display device capable of improving image quality is provided. A display device includes a plurality of pixel blocks in a display region. The pixel blocks each include a first circuit and a plurality of second circuits. The first circuit has a function of adding a plurality of pieces of data supplied from a source driver. The second circuit includes a display element and has a function of performing display in accordance with the added data. One pixel has a configuration including one second circuit and an component of the first circuit that is shared. When the first circuit is shared by a plurality of pixels, the aperture ratio can be increased.
Display device and source driver
A display device includes a display panel, a display controller configured to output a video data signal, a gate driver, and a plurality of source drivers which are arranged in an extension direction of gate lines and generate a gradation voltage signal to be supplied to each of a plurality of pixel units based on the video data signal supplied from the display controller. Each of the plurality of source drivers includes a data processing unit configured to share an abnormal state sharing signal indicating whether an abnormality has occurred in communication with the display controller with other source drivers, and when the abnormal state sharing signal indicates that an abnormality has occurred in communication with the display controller, supply a gradation voltage signal corresponding to predetermined gradation data different from a gradation voltage signal based on the video data signal to each of the plurality of pixel units.
PIXEL DRIVING CIRCUIT AND DISPLAY PANEL
The present disclosure provides a pixel driving circuit and a display panel. After pre-charging a first node to a first electrical potential, raising it to a second electrical potential through a first capacitor by a current row gate output signal G(n), and then raising it to a third electrical potential which is a high electrical potential greater than an electrical potential of the current row gate output signal G(n), so that a first transistor is turned on and data is written, raising an original electrical potential of a gate and improving driving capability since a gate electrical potential of the first transistor can be raised to greater than the G(n).
DISPLAY PANEL AND DRIVING METHOD THEREFOR, AND DISPLAY DEVICE
Disclosed are a display panel and a driving method therefor, and a display device. Two adjacent rows of sub-pixels are taken as a row group, and the row group is provided with a first sub row group and a second sub row group that are arranged in a column direction; a gate electrode of a first transistor in the first sub row group is electrically connected to a first gate line; a gate electrode of a second transistor in the second sub row group is electrically connected to a second gate line; two adjacent sub-pixels in the column direction share one third transistor, and a gate electrode of the third transistor in the row group is electrically connected to a third gate line; and the first transistor and the second transistor in one column of sub-pixels are electrically connected to a data line by means of the shared third transistor.
Liquid crystal display device
A liquid crystal display device having an outer shape of a display region formed other than a rectangle. A driver for supplying a video signal is disposed outside the display region. A selector with selector TFT is disposed between the display region and the driver. A video signal line is disposed between the driver and the selector, and a drain line is disposed between the selector and the display region. A scanning circuit for supplying a scanning signal to the scanning line is disposed outside the display region. The selector is disposed between the scanning line and the display region, and covered with ITO as the common electrode. The common bus wiring is disposed outside the selector.
Circular display device with narrow bezel and driving method thereof
Provided is a display device having the following structure and driving method thereof. The display device comprises a circular display panel including an active area on which an image is displayed and a non-active area on which no image is displayed, a gate driving circuit disposed in the non-active area to drive a plurality of gate lines, a first data driving circuit disposed in the non-active area to drive first-group data lines in the circular display panel, and a second data driving circuit disposed in the non-active area, in a position opposite to the first data driving circuit with respect to the active area, to drive second-group data lines in the circular display panel. The frequency of a data clock is reduced using a plurality of data driving circuits in a pad area. The bezel size of a circular display panel is reduced.
DRIVER IC AND LIQUID CRYSTAL DISPLAY APPARATUS
An object of the present invention is to provide a driver IC and a liquid crystal display apparatus which uses a circuit of an output channel which is not used to drive a liquid crystal panel as a backup of the other output channel. A driver IC includes a plurality of output channels ch1 to chn, a plurality of output buffer circuits corresponding to each of the plurality of output channels ch1 to chn, and an output channel selection circuit, and when a malfunction occurs in the output buffer circuit of an effective channel, the output buffer circuit in which the malfunction occurs is automatically switched to the output buffer circuit of an ineffective channel so that the output of the signal from the effective channel is continued.
DISPLAY APPARATUS
A performance of a display apparatus is improved. A display apparatus has a display region, a transparent region and a frame region. The display apparatus includes a plurality of scan signal lines extending in an X direction in the display region and a plurality of image signal lines extending in a Y direction in the display region. The plurality of image signal lines include a first wiring (image signal line) and a second wiring (image signal line). The first wiring includes a first bypass wiring portion arranged in the frame region and a first extension wiring portion connected to an end of the first bypass wiring portion and extending in the Y direction. The second wiring includes a second bypass wiring portion arranged in the frame region and a second extension wiring portion connected to an end of the second bypass wiring portion and extending in the Y direction. In a plan view, the first wiring and the second wiring intersect with each other at the frame region.
BACKLIGHT DRIVING METHOD AND DEVICE FOR DRIVING A SCAN-TYPE DISPLAY
A backlight driving method includes steps of: (A) receiving a piece of image data that includes a number (K) of segments, where K≥2; (B) generating a piece of adjustment data that includes a number (K) of segments; each segment of the adjustment data being generated based on a respective segment of the image data and upon receipt of the respective segment of the image data; (C) generating, based on a piece of delay data and on an original synchronization control (SC) signal that has a pulse, an internal SC signal that has a number (K) of pulses; and (D) generating a backlight driving output based on the adjustment data and the internal SC signal, so as to drive a backlight source of a scan-type display to emit light.
Semiconductor device
A semiconductor device where delay or distortion of a signal output to a gate signal line in a selection period is reduced is provided. The semiconductor device includes a gate signal line, a first and second gate driver circuits which output a selection signal and a non-selection signal to the gate signal line, and pixels electrically connected to the gate signal line and supplied with the two signals. In a period during which the gate signal line is selected, both the first and second gate driver circuits output the selection signal to the gate signal line. In a period during which the gate signal line is not selected, one of the first and second gate driver circuits outputs the non-selection signal to the gate signal line, and the other gate driver circuit outputs neither the selection signal nor the non-selection signal to the gate signal line.