A display device (10) and an image display method therefor, an image display system, and a storage medium, which relate to the technical field of display. A controller (101) of the display device (10) can adjust a gamma parameter when the temperature of a display module (102) is high, so as to reduce a drive voltage required by the display module (102) while keeping a brightness change of the display module (102) small. In this manner, the temperature of the display module (102) can be reduced, the display module (102) can be prevented from being damaged, and the display device (10) has a high reliability.

A display device includes a display module having a folding area and a non-folding area adjacent to the folding area. A glass substrate is disposed on the display module and comprises a first layer and a second layer disposed on the first layer. The second layer has a compressive strength that is higher than a compressive strength of the first layer. The first layer and the second layer of the glass substrate each include a folding portion overlapping the folding area and having a first thickness and a non-folding portion overlapping the non-folding area and having a second thickness greater than the first thickness. The second layer of the non-folding portion has a thickness that is greater than a thickness of the second layer of the folding portion.

The present invention relates to an image display device and an operation method therefor. An image display device according to an embodiment of the present invention comprises a housing, a roller disposed inside the housing, and a plurality of pixels. The image display device includes: a display panel that can be wound on or unwound from the roller; and a control unit for controlling the operation of the roller so that the display panel rolls up or rolls down. The control unit can check the temperature of the display panel, and apply a main signal to at least one of the plurality of pixels according to the temperature of the display panel when the temperature of the display panel is less than a reference temperature, and control the operation of the roller when the temperature of the display panel is the reference temperature or higher. Various other embodiments are also possible.

Disclosed is a display device including a first output part, a second output part, a power supply circuit connected to input terminals of the first output part and the second output part, a first sensing part connected to an output terminal of the first output part, a second sensing part connected to an output terminal of the second output part, a first voltage output terminal connected to the first sensing part and the second sensing part, a plurality of pixels connected to the first voltage output terminal and configured to display an image, and a defect determination part controlling shutdown of the power supply circuit by comparing a first sensing value and a second sensing value, which are received from the first sensing part and the second sensing part, with a first reference value and a second reference value having a level lower than the first reference value.

A display apparatus may include a display panel including a plurality of light emitting diode (LED) pixels; a panel driver configured to provide a driving signal to the display panel to drive the display panel; a memory storing heating characteristic information of each of a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel included in each of the plurality of LED pixels; and a processor configured to: obtain an average brightness value corresponding to an input image based on a gray level value of the input image, obtain heating estimation data of the input image based on the gray level value of the input image and the heating characteristic information stored in the memory, modify the obtained average brightness value based on the heating estimation data, and control the panel driver based on the modified average brightness value.

A power voltage generator includes a first sensor, a second sensor, a comparator and a shutdown controller. The first sensor is configured to sense a first power voltage output node that outputs a first power voltage. The second sensor is configured to sense a second power voltage output node that outputs a second power voltage. The comparator is configured to compare a first sensing signal of the first sensor with a second sensing signal of the second sensor. The shutdown controller is configured to shut down the power voltage generator based on a comparison signal from the comparator.

A frame rate adjustment method, apparatus and device, a computer-readable storage medium and a computer program product. The method includes: acquiring running data of a client during running in a foreground when the client in the terminal device supports dynamic frame rate switching; determining a running scenario of the client based on the running data; determining a target running frame rate of the client based on the running scenario; and performing, by the client, image outputting according to the target running frame rate, and triggering an operating system of the terminal device to adjust a refresh rate of a screen according to the target running frame rate.

An electronic tag includes an electronic tag body. The electronic tag body includes a housing, a display screen configured to display information, and a sensor and a main controller that are disposed inside the housing. The sensor is configured to detect an ambient temperature of an environment in which the electronic tag body is located. The main controller is configured to shut off power supplied to the display screen in response to the ambient temperature detected by the sensor being beyond an operating temperature range of the display screen.

An LED-driving device includes a displaying section including a plurality of displaying groups, each composed of a plurality of connected LED elements, each with a built-in light emission-controlling element, a power-supplying section configured to provide a supply of an electric power to the displaying section, switching sections configured to selectively make or break connections between the power-supplying section and those displaying groups respectively, and a controlling section configured to make a decision as to whether, when the power-supplying section is powered on, an output value from the power-supplying section is normal or not, and as a result of determining that the output value from the power-supplying section is normal, perform such a control of the connections between the power-supplying section and those displaying groups as to enable the switching sections to in turn connect supplies of the electric power from the power-supplying section to those displaying groups, respectively.

The present disclosure provides a display device. The display device includes at least one display panel including at least one light-emitting diode (LED) light board, a drive control module connected to the LED light board, and a detecting module respectively connected to the LED light board and the drive control module. The LED light board includes at least one LED. The drive control module is configured to drive the LED of the LED light board to display.