G09G3/3426

Display module, method of driving same, and display device

A display module is provided. In the display module, a liquid crystal display panel has a plurality of display subareas. A color backlight module has a plurality of backlight subareas in a one-to-one correspondence to the plurality of display subareas. A driving apparatus may sequentially drive liquid crystal molecules in the display subareas to turn over, and after driving the liquid crystal molecules in each display subarea to turn over, drive a light-emitting element of one color included in each backlight source in one corresponding backlight subarea to emit light.

Systems and methods for selective disablement of backlights corresponding to identified non-utilized viewable areas of a display panel
11705078 · 2023-07-18 · ·

Systems and methods are provided that may be implemented to identify viewable areas of a display panel (such as a liquid crystal display (LCD) panel) of a display panel assembly that are currently not utilized by a user, and then to selectively and dynamically turn off backlights or blocks of backlights (e.g., such as light emitting diode “LED” backlight elements) that illuminate viewable areas of the display panel that correspond to these non-utilized viewable areas. The systems and methods may be so implemented in one example to reduce power consumption of a display panel assembly.

SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND DISPLAY DEVICE
20230018404 · 2023-01-19 ·

The present technology relates to a signal processing device, a signal processing method, and a display device for enabling more appropriate improvement of hold blur. There is provided a signal processing device including a detection unit that analyzes a video signal of content and detects an index that correlates with hold blur, a first calculation unit that calculates a light emission duty value of a self-luminous display panel on the basis of the detected index, and a second calculation unit that calculates a gain for luminance compensation on the basis of the calculated light emission duty value. The present technology can be applied to, for example, a self-luminous display device.

ILLUMINATING LEDS
20230225024 · 2023-07-13 · ·

A method of operating a display system consisting of a plurality of light emitting diodes (LEDs) is disclosed. The LEDs are arranged in a plurality of groups and an integrated circuit provides power to the LEDs through a plurality of output pins connected to respective groups. The integrated circuit selectively determines the states of the output pins to illuminate the groups of LEDs in a repeating sequence such that each group is illuminated for a time dependent on a number of groups and a compensation factor. The compensation factor is dependent on at least a number of LEDs in the group.

DRIVING BOARD, DISPLAY PANEL, AND DISPLAY DEVICE

Embodiments of the present disclosure provide a driving board, a display panel and a display device. The driving board includes a plurality of pixel regions; the pixel regions each include a pixel circuit, a first power supply structure and a second power supply structure; the first power supply structure is configured to provide a first power voltage and the second power supply structure is configured to provide a second power voltage; the driving board includes a substrate, the pixel circuit, the first power supply structure and the second power supply structure are located at a same side of the substrate; wherein at least one of the first power supply structure and the second power supply structure includes a block structure, at least one inorganic layer is provided at a side of the block structure away from the substrate; and the block structure includes a first block structure, the first block structure includes at least one first opening. The present disclosure can reduce the chance of display anomalies.

DISPLAY BACKPLANE AND MOBILE TERMINAL
20230016095 · 2023-01-19 ·

Provided are a display backplane and a mobile terminal. The display backplane includes a plurality of light-emitting units and at least one detection circuit. Each of the light-emitting circuits includes a driving transistor. Each of the detection circuits is electrically connected to source electrodes of the driving transistors in at least two of the light-emitting units, at least for detecting voltages of the source electrodes of the driving transistors in the two corresponding light-emitting unit.

IMAGE DATA PROCESSING APPARATUS AND DISPLAY DEVICE FOR CONTROLLING LOCAL DIMMING
20230222633 · 2023-07-13 · ·

The present disclosure may improve contrast and deep black by efficiently controlling local dimming in consideration of the ratio of a black image data and the non-uniformity in the area between blocks.

SYSTEM ARCHITECTURE FOR HIGH DENSITY MINI/MICRO LED BACKLIGHT APPLICATION

A non-emissive display includes a backlight controller sending a pulse during each sub-frame of a plurality of frames to row and column drivers that drive backlight zones. The row drivers count each pulse to keep a pulse count total, and reset the pulse count total when it is equal to a first number indicating how many row drivers are present. Each row driver activates its channels and waits for a next pulse if the pulse count total is not equal to the first number and if the pulse count total is equal to a second number indicating in which sub-frame that first driver is to be activated. Each row driver waits for a next pulse if the pulse count total is not equal to the first number and the second number. Each column driver activates its channel in response to receipt of each pulse.

Backlight apparatus for display and current control integrated circuit thereof

The present disclosure discloses a backlight apparatus for a display and a current control integrated circuit thereof. The backlight apparatus includes a backlight panel including light-emitting diode (LED) channels having a matrix structure and divided into a plurality of control units, a column driver configured to provide, in a horizontal period unit, column signals corresponding to columns of the LED channels, a row driver configured to provide, in a frame unit, row signals corresponding to rows of the LED channels and to sequentially provide the row signals in the horizontal period included in the frame, and current control integrated circuits disposed in the backlight panel in a way to correspond to the control units, respectively, and each configured to receive the column signal and the row signals corresponding to LED channels of the control unit and to control emission of the LED channels of the control unit.

Display device driving method and display device

A display device driving method and the display device are provided. The display device driving method determines a driving voltage value of each backlight unit based on a content to be displayed by a display unit corresponding to each backlight unit, achieving dynamic adjustment of luminous brightness of the backlight unit according to the display content of the corresponding display unit. Meanwhile, the driving voltage value is related to a noise in an image. Therefore, a better backlight brightness value can be obtained by reducing an influence of the noise on the adjustment of the luminous brightness.