Patent classifications
G09G3/34
Liquid crystal display device
The present invention has a pixel which includes a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.
Driving method of backlight module and display device
A driving method for a backlight module and a display device are disclosed. The driving method includes: generating mapping information from each local dimming area to the corresponding piece of local area dimming data according to preset positional relationships between a backlight driving chip and lamp beads in the backlight module; receiving, by a timing control chip, a frame of display data, and converting the display data into panel driving data and corresponding multiple pieces of local area dimming data; receiving, by a backlight driving circuit, the multiple pieces of local area dimming data in sequence, turning on the channel corresponding to the current local dimming area in turn according to the mapping information, and driving the lamp beads in the current local dimming area.
Display device and assembling method thereof
A light-emitting assembly includes a substrate and a plurality of light-emitting elements. The substrate includes a component arrangement region and a planar region in a top view, and includes a base material layer, a filled layer and a protection layer in a sectional view. A thickness of the filled layer is greater than a thickness of the protection layer. The thickness of the protection layer is greater than 0 μm and less than 30 μm. The plurality of light-emitting elements are located on the component arrangement region. This disclosure can improve the non-uniform brightness issue (hotspots) or enhance the optical performance.
Backlight driving method and module for a scan-type display
A backlight driving method includes steps of: (A) generating an original synchronization control (SC) signal, and a serial input signal that contains multiple predetermined delay values; (B) generating multiple internal SC signals based on the original SC signal and the delay values, such that respective time delays of the internal SC signals with respect to the original SC signal are respectively dependent on the delay values; and (C) generating multiple backlight driving outputs based on the internal SC signals to respectively drive multiple backlight sources, such that the backlight sources emit light in an order dependent on the delay values.
Scan-type display apparatus, and driving device and driving method thereof
A scan-type display apparatus includes an LED array, a display module, a control module and a driver module. The LED array has a common anode configuration. The control module generates a synchronization control (SC) signal. Based on the SC signal, the driver module outputs an input voltage to scan lines of the LED array sequentially without overlapping in time so as to drive LEDs of the LED array to emit light in a line scan manner, and generates an image refresh signal that is related to the output of the input voltage to one of the scan lines which corresponds to a last line of the line scan in each line scan cycle and that is further related to refreshing of images on a display constituted by the LED array and the display module.
Electro-optic displays, and methods for driving same
There are provided methods for driving an electro-optic display having a plurality of display pixels, a such method includes detecting a white-to-white graytone transition on a first pixel; and determining whether a threshold number of cardinal neighbors of the first pixel are not making a graytone transition from white to white, or if the first pixel is a color pixel, and apply a first waveform.
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 PANEL AND DISPLAY METHOD THEREOF
The present application provides a display panel and a display method thereof. The display method includes following steps: obtaining a real-time display frequency of a liquid crystal panel in response to a display operation of the display panel; and regulating backlight brightness of a backlight module according to the real-time display frequency, such that display brightness of the display panel is maintained within a target brightness range.
DISPLAY DEVICE FOR REDUCING MOTION BLUR AND CONTROL METHOD THEREOF
A method of controlling a display device includes obtaining a duty cycle of a backlight control signal, and adjusting a starting time of a pulse in the backlight control signal at least according to the duty cycle. The backlight control signal is used to control a backlight of the display device.
Circuit Device And Head-Up Display Apparatus
A circuit device is used in a display device. The display device includes a display panel and a backlight including a plurality of light sources. The circuit device includes a distortion correction circuit, a failure information acquisition circuit, a position information acquisition circuit, and a host interface circuit. The distortion correction circuit executes distortion correction on input image data to output output image data after the distortion correction. The failure information acquisition circuit acquires failure information of the light sources. The position information acquisition circuit converts panel-side light source position information, which is position information of a faulty light source indicated by the failure information on the display panel, into input-side light source position information, which is position information of the faulty light source on the input image data. The host interface circuit outputs the input-side light source position information to a host.