Display units for digital out of home advertising with orientation-based operations adjustment and related methods are provided. The display unit includes an electronic display. A controller for the display unit receives orientation data from an orientation detection device, determines an orientation of the display unit, and adjusts operations of the display unit based, at least in part, on the orientation.

A signal generator may include a reference horizontal synchronization signal generation block which generates reference horizontal synchronization signals based on a number of clock signals per a horizontal time, a frame clock calculation block which calculates a first frame clock number based on a number of the clock signals per the horizontal time, a frame clock comparation block which calculates a clock offset by comparing the first frame clock number and a second frame clock number generated based on a number of the clock signals per a frame time, a clock distribution block which generates horizontal synchronization signals by distributing a number of the clock signals corresponding to the clock offset to the reference horizontal synchronization signals, and a vertical synchronization signal generation block which generates a vertical synchronization signal based on the horizontal synchronization signals.

An embodiment relates to a method of measuring an ambient temperature by using a temperature sensor provided in an integrated circuit (IC) and a measurement error of a temperature sensor may be improved by correcting an output value of a temperature sensor by using a correction value stored in a memory.

A driving controller includes: a grayscale determiner, which determines a current grayscale of input image data, a deterioration time determiner, which determines a first deterioration time for the current grayscale corresponding to an accumulated deterioration degree, a current deterioration degree calculator, which calculates a second deterioration time by summing the first deterioration time and a calculation period, and calculates a current deterioration degree for the current grayscale according to the second deterioration time, and an image compensator, which compensates the input image data based on the current deterioration degree.

A display panel and a display device are provided. In an embodiment, the display panel has a display region and a non-display region and includes shift registers cascaded and arranged along a first direction. In an embodiment, the shift registers are located in the non-display region. In an embodiment, one of the shift registers includes a switch module and an output module. In an embodiment, the output module is coupled to an output terminal of the shift register and includes two output transistors, and the output transistors are located at a side of the switch module away from the display region. In this way, the probability of occurrence of abnormal phenomena, such as splash screen display, is reduced.

A display device includes a display panel having a plurality of sensing channels connected to a plurality of subpixels to detect a driving characteristic value, a data driving circuit including an analog-to-digital converter converting a sensing voltage detected through the plurality of sensing channels into digital sensing data and converting a subpixel driving voltage detected through at least one dummy channel into digital dummy sensing data, and a timing controller calculating an intensity of a current flowing through the data driving circuit based on the digital dummy sensing data transferred from the data driving circuit and compensating for image data transferred to the data driving circuit.

A display apparatus and a method for controlling the same are provided. The display apparatus includes a display unit, a light sensor, a cooling fan, and a controller. The light sensor is configured to detect an ambient light and generate a brightness value indicating brightness of the ambient light. The cooling fan is configured to generating a fluid flow in the display apparatus. The controller is configured to monitor the brightness value per a time period and control a rotational speed of the cooling fan based on the brightness value.

A display device includes a display unit, a degradation compensator and a data driver. The display unit includes first and second pixels disposed in first and second regions, respectively. The degradation compensator generates a first compensated grayscale value by compensating a first grayscale value for the first pixel based on a first degradation curve and generates a second compensated grayscale value by compensating a second grayscale value for the second pixel based on a second degradation curve, where the first and second degradation curves define luminance reduction rates according to accumulated usage time of the first and second pixels, respectively. A data driver generates first and second data signals based on the first and second compensated grayscale values, respectively, and supplies the first and second data signals to the first and second pixels, respectively. A transmittance of the second region is greater than a transmittance of the first region.

Provided is a signal processing device including a signal processing unit that, when increasing the luminance of an video signal from a low-luminance display signal to a high-luminance display signal, acquires information regarding at least one of luminance enhancement time obtained by measuring the time for enhancing the luminance on a display panel, the temperature rise amount of the display panel, and the feature amount of the video signal corresponding to video displayed on the display panel, and adaptively controls a first gain for enhancing the luminance of the video signal, according to the degree of influence on the temperature rise of the display panel, in reference to the acquired information. The present technique can be applied to a self-luminous display device, for example.

A display device includes a display panel and a display panel driver. The display panel includes pixels. The display panel driver determines an average image load of input image data, determines an operation mode based on a grayscale value of the input image data and the average image load as a first operation mode or a second operation mode, applies a first scale factor to the input image data in the first operation mode, applies a second scale factor different from the first scale factor to the input image data in the second operation mode, and drives the display panel.