G09G2300/0447

INTEGRATED CAPACITIVE FINGEPRINT SENSOR

An input device includes a first sensor array having a first plurality of sensor electrodes disposed in a sensing area, wherein the first sensor array has a first pixel density, and a second sensor array having a second plurality of sensor electrodes disposed in the sensing area, wherein the second sensor array has a second pixel density different from the first pixel density. The input device also includes a processing system coupled to the second plurality of sensor electrodes and configured to electrically float a sensor electrode in the second plurality of sensor electrodes during a sensing period of the first sensor array.

Luminnance-versus-drive signal curve based method for driving display panel, and display device
11238829 · 2022-02-01 · ·

A driving method of a display panel and a display device using the same. The driving method includes: obtaining a drive signal of each of sub-pixels on the display panel; determining a first adaptive threshold and a second adaptive threshold according to properties of the sub-pixels; and adjusting the drive signal higher than the first adaptive threshold and lower than the second adaptive threshold, to approach an interval lower than the first adaptive threshold or an interval higher than the second adaptive threshold.

Display panel and display device suitable for low color cast display
11250799 · 2022-02-15 · ·

The present disclosure provides a display panel and a display device, and the display panel includes: a plurality of data lines; a plurality of scan lines respectively interlaced with the plurality of data lines and forming a plurality of interlaced points at interlaced positions; and a plurality of pixel units, where each of the pixel units includes a plurality of sub-pixel units, which are arranged in an array of a plurality of columns in a first direction and a plurality of rows in a second direction, and are electrically connected to the plurality of interlaced points in a one-to-one correspondence. The same data line is electrically connected sequentially and alternately with the plurality of sub-pixel units arranged in two adjacent columns in the first direction. The present disclosure also provides a display device comprising the above display panel.

2D/3D image displaying apparatus

A 2D/3D image displaying apparatus includes a sub-pixel, a first and second data lines and a gamma circuit. The sub-pixel includes a first portion and a second portion. The first and second data lines are coupled to the first and second portion of the sub-pixel, respectively. The gamma circuit transmits correlated gamma signals to a driving circuit for driving the first and second part of the sub-pixel via the first and second data lines when 2D image is to be displayed, and transmits a single gamma signal to the driving circuit for driving the first and second portion of the sub-pixel via the first and second data lines when 3D image is to be displayed.

Liquid crystal display device
09812078 · 2017-11-07 · ·

Provided is a liquid crystal display device enabling display without reducing the resolution thereof with respect to an input video signal, and having a reduced number of scanning signal lines. Green first and third pixels (Gx1, Gy1), and a blue second pixel (B1) and a red fourth pixel (R1) are arranged in a Bayer array, the first pixel is connected to a first scanning signal line (Gn) and a first data signal line (Sm), and the second pixel is connected to the first scanning signal line (Gn) and the first data signal line (Sm).

Display apparatus, display system having the same and method of compensating display quality using the same

A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel is configured to display an image based on input image data. The gate driver is configured to output gate signals to gate lines of the display panel. The data driver is configured to output data voltages to data lines of the display panel. The driving controller includes a first compensation lookup table and a second compensation lookup table which are configured to compensate the input image data. The driving controller is configured to select one of the first compensation lookup table and the second compensation lookup table based on a first color shift and a second color shift and to apply the selected one of the first compensation lookup table and the second compensation lookup table to the input image data.

Liquid crystal display and driving method thereof

A liquid crystal display (LCD) includes: a display panel including a plurality of pixels connected to a gate line, a data line, and a reference voltage line to which a common voltage is applied; a data driver connected to the data line and configured to apply a data voltage to the data line; a gate driver connected to the gate line and configured to apply a gate voltage to the gate line; a reference voltage generator connected to the reference voltage line and configured to apply a reference voltage to the reference voltage line; and a signal controller configured to control the data driver, the gate driver, and the reference voltage generator, and output a signal to the reference voltage generator for changing the reference voltage applied to the pixels, wherein the reference voltage is changed according to a gray-level value of an image data.

DISPLAY PANEL AND DISPLAY DEVICE
20210405485 · 2021-12-30 ·

A display panel and a display device are disclosed. The display panel includes a substrate, a plurality of data line groups located on the substrate and adjacently arranged in order, a plurality of gate line groups located on the substrate and adjacently arranged in order, and a plurality of pixel electrode array units. The pixel electrode array units include a first pixel electrode, a second pixel electrode, and a third pixel electrode. The display panel improves arrangement of the pixel electrode array units, which effectively reduces graininess on a display screen and improves viewing angles of the display screen.

GOA CIRCUIT AND DISPLAY PANEL
20210407452 · 2021-12-30 ·

A GOA circuit is provided and includes a plurality of GOA sub circuits which are cascaded. An Nth GOA sub circuit of the GOA sub circuits includes: a cascade control unit configured to generate a first drive signal according to an (N−3)th scan signal and an (N−3)th cascade signal; a cascade signal generation unit connected to the cascade control unit; a first scan drive unit connected to the cascade control unit and a first low voltage level signal; and a second scan drive unit connected to the cascade control unit and the first low voltage level signal.

Array substrate, display panel and display device

The present application discloses an array substrate, a display panel and a display device. The array substrate comprises: a plurality of data lines and a plurality of gate lines, a plurality of pixel units defined by the plurality of data lines and the plurality of gate lines, each pixel unit comprising a first pixel electrode, a second pixel electrode, and at least three thin film transistors, the pixel unit further comprising: a charge-discharge element, the charge-discharge element and a third thin film transistor in the at least three thin film transistors charging and discharging the pixel unit such that the pixel unit forms a first voltage region and a second voltage region with different voltages.