An electroluminescent display device includes a display panel including a plurality of pixels connected to a plurality of sensing lines, a plurality of sampling circuits configured to simultaneously sample driving characteristics of the pixels to generate sampling outputs, a plurality of sampling multiplexers configured to divide the sampling outputs into n groups and to alternately select group sampling outputs, a plurality of scalers individually connected to the sampling multiplexers, and a global multiplexer configured to selectively connect outputs of the scalers to an analog-to-digital conversion circuit, wherein the number of scalers is less than the number of sampling circuits.

A patient monitoring system includes: a display configured to display, only for a first period, information including changes over time in physiological information acquired from at least one patient; a first storage configured to store, only for a second period longer than the first period, data corresponding to the information displayed on the display; a second storage having a storage capacity different from a storage capacity of the first storage; a user interface configured to receive a data preservation instruction from a user; and one or more processors configured to store in the second storage at least a part of the data that has been in the first storage before the user interface receives the data preservation instruction.

A portable communication device equipped with a screen and a random access memory. The device receives a data stream through a radio link for automatically displaying information from the data stream on a display screen, without any user's request, a part of this information being stored in random access memory during a period of time that is longer than the duration of display and displays information from the data stream on the display screen, upon user's request, this information being stored in random access memory during the duration of display only.

An electroluminescent display device includes a display panel including a plurality of pixels connected to a plurality of sensing lines, a plurality of sampling circuits configured to simultaneously sample driving characteristics of the pixels to generate sampling outputs, a plurality of sampling multiplexers configured to divide the sampling outputs into n groups and to alternately select group sampling outputs, a plurality of scalers individually connected to the sampling multiplexers, and a global multiplexer configured to selectively connect outputs of the scalers to an analog-to-digital conversion circuit, wherein the number of scalers is less than the number of sampling circuits.

Disclosed are a memory device and a read/write method of the memory device and, more particularly, a memory device and a read/write method of the memory device capable of reducing power consumption of a display device by reducing a storage operation and an output operation of the memory device for a plurality of pieces of pixel data.

A display driving integrated circuit (DDIC) driving a display device and including; a host interface configured to receive image data from a host device, an interface monitor configured to generate a mode signal indicating a still image mode or a video mode by detecting whether the image data from the host device is transferred through the host interface, a processing circuit configured to generate processed data by processing the image data, a conversion circuit configured to perform data conversion on the processed data to generate display data driving a display panel, and a path controller configured to store the processed data in a frame buffer and transfer the processed data stored in the frame buffer to the conversion circuit in the still image mode, and further configured to transfer the processed data to the conversion circuit without storing the processed data in the frame buffer in the video mode.

A display device includes a display panel configured to display images, a data driver configured to supply data voltages to the display panel, and a controller configured to control the data driver, wherein the controller operates in a normal mode having normal driving conditions and a power saving mode having driving conditions for reducing power consumption and lowers a driving frequency and an environment of an interface connected to the data driver as compared to a driving frequency and an interface environment in the normal mode when operating in the power saving mode.

A display driving integrated circuit (DDIC) driving a display device and including; a host interface configured to receive image data from a host device, an interface monitor configured to generate a mode signal indicating a still image mode or a video mode by detecting whether the image data from the host device is transferred through the host interface, a processing circuit configured to generate processed data by processing the image data, a conversion circuit configured to perform data conversion on the processed data to generate display data driving a display panel, and a path controller configured to store the processed data in a frame buffer and transfer the processed data stored in the frame buffer to the conversion circuit in the still image mode, and further configured to transfer the processed data to the conversion circuit without storing the processed data in the frame buffer in the video mode.

An electronic device is provided. The electronic device includes a deformable display panel, a sensor, a display driving circuit operatively coupled to the deformable display panel and the sensor, and comprising a graphical random access memory (GRAM), and a processor operatively coupled to the display driving circuit and the sensor, wherein the display driving circuit can be configured to, while the size of a displayable area of the deformable display panel is changed, store, in the GRAM, data for displaying an image of a first size received from the processor, receive, from the sensor, a signal for indicating that the size of the displayable area is a second size smaller than the first size, after the data is stored, and scan part of the data in response to the reception of the signal, thereby displaying an image of the second size through the deformable display panel.

A system for updating an image on a display device includes pixels in a pixel array. The system includes a display subsystem for executing commands and displaying images, the display subsystem also includes a parser for receiving image frame data, and extracting updated image data and commands. A storage device is used for storing the updated image data in an updated cache location according to the commands. A loader is used for reading the commands to identify and fetch the updated image data from the storage device. Display backplane circuitry is used for receiving the updated image data from the loader and for updating pixel driver circuity for pixels within the updated image data. The examples described are ideal for driving micro-displays such as LCoS micro-LED displays.