A light emission control method is adapted to a direct-lit LED backlight display. The display includes a backlight module, a driving circuit, a detection circuit, and a control circuit. The backlight module includes a first light emission group and a second light emission group. The first light emission group includes a plurality of first LEDs, and the second light emission group includes a plurality of second LEDs. The first LEDs and the second LEDs are in an interleaved arrangement. The driving circuit is activated to selectively drive the first light emission group and the second light emission group to emit light. On detection of an abnormal light-emission status of any of the plurality of LEDs, the detection circuit sends an abnormal signal. The control circuit obtains a shut-down group according to the abnormal signal and actives the driving circuit not to drive the shut-down group to emit light.

A brake control system includes a display, a processor, and a light sensor. The processor controls brakes of a towed vehicle. The processor also controls a brightness of the display based on information received from the light sensor. The light sensor may include a light dependent resistor or a photoresistor. The processor selectively sets or adjusts the brightness of the display based on sensed ambient light.

A display device is provided that includes a display panel and a backlight panel. The backlight panel includes a plurality of self-calibrating illumination modules configured to provide backlighting for the display panel. Each self-calibrating illumination module includes at least one light source configured to emit light toward the display panel, at least one light sensor configured to detect light emitted from the at least one light source that is internally reflected within the display device, and a controller configured to control a current supplied to the at least one light source based at least on an intensity of light detected by the at least one light sensor.

In some examples, a system includes a display wall comprising an arrangement of light-emissive elements and a controller, configured to receive camera data and to adjust a light emission profile of the arrangement of light-emissive elements based on the camera data. In some embodiments, the camera data may include camera location data. Various other methods, systems, and computer-readable media are also disclosed.

Disclosed is a display apparatus, capable of adjusting an image based on a location and a type of ambient light source. The display apparatus includes: a display; a housing supporting the display; a sensor disposed in the housing and configured to detect a quantity of entering light; and a processor configured to: based on an arrangement angle of the sensor and the detected quantity of the entering light, identify a location of a light source; and in response to the identified location of the light source, adjust a quality of an image displayed on the display.

An electronic device according to various embodiments of the disclosure may include: a first housing, a second housing configured to be movable with respect to the first housing, a flexible display coupled to the first housing or the second housing to be movable together with a coupled housing, an illuminance sensor, and a processor, wherein the processor is configured to: measure an illuminance value using the illuminance sensor, determine an area of interest based on a movement of the flexible display, obtain color information on an image displayed in the area of interest, calculate a correction value using the obtained color information, correct the measured illuminance value based on the calculated correction value, and adjust luminance of the flexible display using the corrected illuminance value.

Systems and methods for an ambient light sensor (ALS) disposed under a display layer. In some implementations, an ALS reading is adjusted by compensating for light leakage in a display environment. In some aspects, a display leakage component may be determined based on image content driven onto a display pixel array during the ALS reading. An ambient light measurement may be generated by subtracting the display leakage component from the ALS reading and then adjusting a display brightness of the display pixel array in response to the ambient light measurement.

The present disclosure relates to an image display device and method for controlling the same, by which a display brightness may be appropriately adjusted in accordance with a change in an ambient light brightness irrespective of an average ambient light brightness. According to one aspect of the present disclosure, provided is an image display device including a display, an ambient light detecting sensor, and a controller configured to determine a brightness of the display according to an ambient light brightness detected in real time by the ambient light detecting sensor based on a first graph line for a display brightness over an ambient light brightness and determine whether to adjust the first graph line based on a maximum brightness operation time of the display.

According to an embodiment of the disclosure, an electronic device may comprise: a housing, a light output module comprising light output circuitry disposed in the housing and configured to output an image, a display member comprising a display including a first display member including a first color-changeable lens and a first waveguide disposed behind the first color-changeable lens configured to guide light generated from the light output module and a second display member including a second color-changeable lens and a second waveguide disposed behind the second color-changeable lens configured to guide the light generated from the light output module, a sensor module comprising at least one sensor including a first sensor module including a first sensor configured to detect a first illuminance of light passed through the first display member, a second sensor module including a second sensor configured to detect a second illuminance of light passed through the second display member, and a third sensor module including a third sensor configured to detect a third illuminance of light transferred to the display member, and a processor configured to adjust a first transmittance of the first color-changeable lens and a second transmittance of the second color-changeable lens based on the first illuminance, the second illuminance, or the third illuminance. The processor may be configured to, based on the first illuminance differing from the second illuminance, provide a voltage to at least one of the first color-changeable lens or the second color-changeable lens so that the first transmittance and the second transmittance are substantially equal to each other.

A method for adjusting the display of a terminal provided with an under-screen image capturing device includes adjusting the brightness of the display above the under-screen image capturing device. First display brightness within a first display region is detected and second display brightness within a second display region is detected when a display screen of a terminal is displaying an image. Grayscale brightness within the first display region is adjusted based on the first display brightness and the second display brightness to allow adjusted grayscale brightness within the first display region to be consistent with grayscale brightness within the second display region.