Disclosed is a display apparatus. The display apparatus obtains first characteristic information, which is provided according to a plurality of sections of content and corresponds to an image characteristic of a section to be displayed among the plurality of seconds, from a signal received in the signal receiver, obtains first image-quality setting information for setting image quality of the section based on the obtained first characteristic information, obtains second characteristic information corresponding to an image characteristic of a frame included in the section from the frame, obtains second image-quality setting information for setting image quality of the frame based on the obtained first image-quality setting information and the obtained second characteristic information, and controls the display to display an image of the frame, the image quality of the frame being set based on the obtained second image-quality setting information.

The present invention relates to an apparatus and method for providing cluster information using a three-dimensional (3D) image. The apparatus for providing the cluster information using the 3D image according to the present invention includes an input unit configured to receive display mode setting information and driving information, a memory configured to store a cluster information providing program that uses a 3D image, and a processor configured to execute the cluster information providing program, wherein the processor controls a light source disposed in a cluster according to the display mode setting information to display the driving information.

A projection apparatus projects an image on a screen based on input data including information on absolute luminance. The projection apparatus includes: a peak luminance value acquisition unit configured to acquire a peak luminance value on the screen when the projection apparatus projects an image on the screen at a maximum output gradation value; a reference luminance value setting unit configured to set a reference luminance value to be higher than the peak luminance value; a relation information setting unit configured to set, based on the reference and peak luminance values, relation information indicating a relation between an output gradation value and a light output value for displaying an output image; an output gradation value setting unit configured to set an output gradation value based on the input data and the relation information; and an output control unit configured to output an image based on the output gradation value.

An electronic device according to various embodiments comprises: a flexible display including a main display region and at least one extendable display region that can be extended from the main display region; and a processor operatively connected to the display, wherein the processor is configured to: control the display to display first content on the main display having a first size while the electronic device is in a slide-in state, slide the display out to extend same to a second size based on touch input information about the display region being received, control the display to display second content on the extendable display region or the entire display region while the state of the electronic state is being switched into a slide-out state, and complete displaying of the second content and display the first content on at least a part of the display based on switching of the state of the electronic state to the slide-out state being completed.

Disclosed are an image display control method and apparatus, and an image display device. The method includes: a refresh rate of a display screen is acquired; display time of a target image on a predetermined time axis is adjusted according to the refresh rate, so as to obtain adjusted display time, wherein the predetermined time axis is a refresh cycle of each frame of the target image when the display screen is at a target refresh rate; and according to the adjusted display time, the display screen is controlled to display the target image. According to the present disclosure, the technical problem of visual crosstalk when a Light Emitting Diode (LED) display screen displays a dynamic image is solved.

An embodiment for adjusting digital content in a flexible display device based on a surface profile of the flexible display device and viewing direction of a user is provided. The embodiment may include receiving a surface profile of a flexible display device. The embodiment may also include in response to determining the surface profile does not indicate that a flexible display device surface is flat, identifying a viewing direction of a user relative to the surface profile. The embodiment may further include identifying an optimal viewing configuration of the flexible display device. The embodiment may also include presenting the optimal viewing configuration to the user. The embodiment may further include adjusting a display of digital content on a screen of the flexible display device. The embodiment may also include receiving feedback from the user regarding a preferred viewing direction and a preferred configuration of the flexible display device.

Provided with: a detecting means to detect a possible light intensity changing frequency of a measuring object; a frequency determining means to determine a light intensity changing frequency with reference to the possible light intensity changing frequency; a resolution determining means to determine a frequency resolution for flicker measuring with reference to the determined light intensity changing frequency; and a flicker measuring means to conduct flicker measuring with the determined frequency resolution. The resolution determining means determines the frequency resolution to be an integral submultiple of the light intensity changing frequency determined by the frequency determining means.

A method for adjusting a display attribute, and a related device, to make a display effect of an element on a page more prominent. The method includes obtaining a first luminance and a second luminance on a page, where the first luminance is a luminance of an element on the page, and the second luminance is a luminance of a background region in which the element is displayed; determining a first contrast ratio between the element and the background region based on the first luminance and the second luminance; and adjusting a display attribute of the element when the first contrast ratio is less than a preset contrast ratio.

A device includes a display including multiple pixels, each pixel having an optical emitter to provide at least one light beam from an image. The device also includes an optical element to relay light beams from the display to a viewer through an eyebox, the eyebox limiting an area that includes a pupil of the viewer and a varifocal assembly to direct, through the eyebox, light beams having a first and second mutually orthogonal polarization states, according to a desired mode of operation of the device, and associated with a first and second field of view of the image in a focused mode of operation of the device, and an immersive mode of operation of the device, respectively. A memory storing instructions and a processor to execute the instructions to cause the device to perform a method for adjusting between the immersive mode and the focused mode are also provided.

A display device includes a voltage generation circuit that generates a plurality of clock signals and a first driving voltage, a second driving voltage, and a third driving voltage. A gate driving circuit receives the generated clock signals and the first driving voltage, the second driving voltage, and the third driving voltage, and includes a plurality of driving stages each of which outputs a carry signal and a gate signal to a corresponding gate line among gate lines. The voltage generation circuit sets a voltage level of the third driving voltage based on a signal of a first node of at least one of the driving stages.