G09G2330/12

Method and device for monitoring luminous intensity of display pixel
11532263 · 2022-12-20 ·

A method and device for monitoring luminous intensity of display pixel is provided. The device includes self-luminous LED display, optical glue, photo-detecting array film and processing chip. The optical glue is attached to lower surface of the self-luminous LED display. The photo-detecting array film is disposed under the optical glue. The self-luminous LED display includes display pixels. Each display pixel includes a luminescent layer. The refractive index of the optical glue is smaller than that of the cover glass. The device uses the optical glue to filter the reflected light in the effective area corresponding to each display pixel. After that, the processing chip calculates the luminous intensity of the display pixel according to the first reflected optical signal detected by the photo-detecting array film. When it is determined that the luminous intensity of the display pixel is not changed in the preset period, a feedback signal is transmitted.

COLOR TEMPERATURE CALIBRATION METHOD AND COLOR TEMPERATURE SELF-CALIBRATION SYSTEM
20220398969 · 2022-12-15 · ·

A color temperature calibration method includes: making a display screen display a test image at a target color temperature; measuring a chromaticity of a target pixel in the display screen to obtain measured color coordinates of the target pixel; comparing the measured color coordinates with standard color coordinates; if differences between the measured color coordinates and the standard color coordinates are greater than a target threshold, adjusting at least one of pixel values of the target pixel, until differences between re-obtained measured color coordinates and the standard color coordinates are not greater than the target threshold; and if differences between the measured color coordinates and the standard color coordinates are not greater than the target threshold, ending the color temperature calibration.

VIRTUAL DISPLAY TOUCH SCREEN DIAGNOSTIC SYSTEM
20220397976 · 2022-12-15 ·

An automobile vehicle information system includes a touchscreen having a touchscreen capacitive sensing grid. The touchscreen displays graphics and detects touch events using the touchscreen capacitive sensing grid. A virtual touchscreen and display device is in communication with and receives the touch events detected by the touchscreen via a first digital communication link. The virtual touchscreen and display device generates graphics and maps touch coordinates to intended functions. A location of a failed virtual switch is mapped by the virtual touchscreen and display device based on screen coordinates provided by the touchscreen, the virtual touchscreen and display device generating a switch failure signal identifying the failed virtual switch. A control unit diagnoses the switch failure signal and generates a default action according to a virtual switch type.

DISPLAY DEVICE AND DRIVING METHOD THEREOF
20220398973 · 2022-12-15 ·

A display device includes a plurality of sub-pixels. The sub-pixels include a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first light emitting element and a first control circuit. The first control circuit is configured to provide a first driving current to the first light emitting element. The second sub-pixel includes a second light emitting element and a second control circuit. The second control circuit is configured to provide a second driving current to the second light emitting element. The first control circuit and the second control circuit are configured to differently control pulse amplitude of the first driving current and pulse amplitude of the second driving current, such that both of the first light emitting element and the second light emitting element emit at a target wavelength or a color point range (e.g. +/−1.5˜2 nm).

DISPLAY DEVICE AND METHOD OF CONTROLLING DISPLAY DEVICE

In a display device, when blue (B) light enters a first liquid crystal panel, radiated light radiated from the first liquid crystal panel contains red (R) phosphorescence having a wavelength range longer than blue (B) light due to a deterioration of a liquid crystal material. Thus, in the display device, an optical sensor device is provided behind a mirror comprised of a dichroic mirror to monitor or the like the service life of the first liquid crystal panel on the basis of a result of reception, at the optical sensor device, of light having a frequency band ranging from 600 nm to 650 nm, and makes notification of the result. Furthermore, on the basis of a result from the optical sensor device, an electrode used to suck impurities provided at the first liquid crystal panel is driven to sweep ionic impurities from a display region.

OLED-BASED DISPLAY HAVING PIXEL COMPENSATION AND METHOD

An OLED display system is provided having visual performance pixel compensation for loss of brightness, including display pixels, where each display pixel has OLED subpixels and pixel drive circuitry; a sensing system having sensors and analog to digital conversion circuitry connected to each of the sensors, and a processor to provide an image data drive signal to each of the display pixels, receive the sensor signal from the ADC circuitry for each sensor, estimate a state of degradation of at least one of the display pixels, determine a drive-signal compensation for each display pixel having an estimated state of degradation and compensate the image data drive signal to each display pixel having an estimated state of degradation. Methods for compensating pixels for an image in a display are also provided.

Display panel driving apparatus
11527185 · 2022-12-13 · ·

A display panel driving apparatus includes an interface, a timing controller, a gate driver, and data driver. The interface includes a data determiner to determine whether or not input image data has a communication error and to process a packet of a data stream of the input image data, even though the input image data has the communication error. The timing controller receives the processed input image data from the interface and generates a data signal, a gate control signal, and a data control signal. The gate driver generates a gate signal based on the gate control signal. The data driver generates a data voltage based on the data control signal and the data signal.

Display control apparatus, method for controlling display control apparatus, and storage medium
11528462 · 2022-12-13 · ·

State information indicating states of a plurality of imaging apparatuses 100-x used for generating a virtual viewpoint image is acquired. At least one image type is determined from a plurality of image types indicating display formats of displaying the states of the plurality of imaging apparatuses 100-x based on the state information. Based on the determined image type, the states of the plurality of imaging apparatuses 100-x are displayed.

Foldable electonic apparatus

An electronic apparatus includes a base substrate including a planar part and a folding part, which is connected to a side of the planar part and is foldable along a folding axis extending in a predetermined direction, where the base substrate includes a front surface including an active region and a peripheral region adjacent to the active region, when viewed from a plan view in a thickness thereof, a plurality of pixels disposed on the front surface and in the active region, an encapsulation layer covering the pixels, a strain-sensing pattern disposed on the front surface, in the active region, and on the folding part, and a plurality of pixel pads disposed on the peripheral region. The strain-sensing pattern is disposed between the base substrate and the encapsulation layer.

DRIVING CIRCUIT OF STRETCHABLE DISPLAY

Disclosed is a driving circuit of a stretchable display capable of being stretched, which includes a driving part that includes a driving transistor connected with a light-emitting element and drives the light-emitting element depending on a signal of a data line, a switching transistor that is connected between the driving part and the data line and includes a gate terminal connected with a first gate line, and a stretch-sensitive sensor that is connected with the switching transistor between the driving part and the data line, and the stretch-sensitive sensor may include a stretch-sensitive material whose resistance characteristic changes depending on a stretching force applied to the stretchable display.