Augmented reality headsets. A plurality of tilted pin-mirrors imbedded between an inner surface and an outer surface of a combiner, where the plurality of tilted pin-mirrors are configured to reflect the guided image light towards the eye box, and wherein the plurality of pin-mirrors include one or more gaps between them wherein the one or more gaps allow the passage of an ambient light through the combiner towards the eye box.

A display driving circuit for driving a display panel includes a control logic that adjusts brightness of a first partial area by adjusting pixel data values included in partial image data to be displayed on the first partial area of the display panel based on received brightness control information, and a data driver that generates image signals by digital-analog conversion of pixel data values provided from the control logic, the data driver providing the image signals to the display panel.

A display panel including a plurality of pixels is provided. The display panel includes: a plurality of light emitting elements configured to constitute each pixel of the plurality of pixels; and a plurality of pixel circuits respectively corresponding to the plurality of light emitting elements and configured to drive the plurality of light emitting elements, wherein the plurality of pixel circuits includes a first pixel circuit for pulse width modulation (PWM)-driving a first light emitting element among the plurality of light emitting elements and a second pixel circuit for pulse amplitude modulation (PAM)-driving a second light emitting element among the plurality of light emitting elements.

An electronic device is provided. The electronic device includes a driver, a driving circuit and an electronic element. The driver converts a first PWM data to a second PWM data according to a gamma setting curve, and converts a first PAM data to a second PAM data according to the gamma setting curve. The driving circuit includes a PWM circuit and a PAM circuit. The PWM circuit receives the second PWM data. The PAM circuit receives the second PAM data. The electronic element emits a light according to a driving current provided from the driving circuit.

The invention discloses a driving method and a device for a light-emitting element. The method includes: acquiring a display image; calculating a backlight brightness required for the display image; and selecting at least one pulse signal from the preset plurality of pulse signals to drive the light emitting element according to the backlight brightness.

There are provided a display device and a driving method of the display device. The display device includes a display panel including a plurality of pixels, and a controller configured to determine an off ratio corresponding to an initialization driving power voltage of the display panel, and configured to control emission of the plurality of pixels corresponding to the determined off ratio, wherein different initialization driving power voltages are determined based on luminances and chromaticities of a plurality of display panels.

A display system includes an image capture device, a display device, and at least one of a first illuminance sensor and a second illuminance sensor. The image capture device captures an image rearward of the vehicle. The display device is coupled to the image capture device, and receives at least a portion of the rearward image captured by the image capture device. The first illuminance sensor detects brightness around the vehicle, and the second illuminance sensor detects intensity of light emitted onto a front surface of the display device.

A backlight brightness control method, a backlight brightness control device, and a display equipment are provided. By using a constant current integrated circuit to input constant current to backlight sources in backlight partitions, uniformity of backlight brightness is allowed to be improved. By determining a target peak current inputted to the backlight sources in the backlight partitions according to a grayscale level of partition images, not only can the backlight brightness required by a high grayscale level be ensured, but fine adjustment of the backlight brightness under a low grayscale level can also be ensured.

A display device includes a housing with an opening; an electro-optic layer that includes a transmissive-reflective layer and configured to vary reflectivity of incident light; a display provided on the electro-optic layer; a control circuit that controls an operation of the display device; and an actuator that switches the electro-optic layer between first and second postures, wherein the control circuit: controls an operation of the display, generates a trimmed image matching a shape of the opening or a shape of the display, outputs the trimmed image to the display, controls the reflectivity of the electro-optic layer when the electro-optic layer is in the second posture, and does not control the reflectivity of the electro-optic layer when the electro-optic layer is in the first posture, and the display is visible to a driver through the electro-optic layer when the control circuit controls the display to display the trimmed image.

According to an aspect, a display device includes a pixel including a first sub-pixel configured to emit light having a peak in a spectrum of red, a second sub-pixel configured to emit light having a peak in a spectrum of green, and a third sub-pixel configured to emit light having a peak in a spectrum of blue. The first sub-pixel, the second sub-pixel, and the third sub-pixel are inorganic light-emitting diodes. A light emission intensity of the second sub-pixel is increased at a predetermined ratio with respect to a light emission intensity of the first sub-pixel when the first sub-pixel emits light at a light emission intensity within a low-luminance range equal to or lower than a predetermined level of luminance.