An LED arrangement comprising at least one LED, which receives an LED illumination voltage in accordance with a square-wave signal, wherein the brightness of the LED is dependent on the ambient luminosity, which is measured by means of the LED, which is switched in a non-illuminated state as a light sensor. The at least one LED is arranged together with a first and a second transistor in a bridge circuit such that the first transistor applies the LED illumination voltage to the LED in accordance with the square-wave signal, and the second transistor applies a voltage having inverted polarity as the LED illumination voltage to the LED in intervals of the turned-off times of the LED, wherein the duty cycle of the square-wave signal is dependent on the strength of a photocurrent, which flows through the LED when the voltage having inverted polarity is applied thereto.

A dynamic random access memory, including a main body, a processing unit, a display screen and a transmit port. The main body has a substrate and a shell portion disposed by two opposite side faces of the substrate, the substrate is provided with a memory module; the processing unit is disposed in the main body; the display screen is attached to the main body and viewable from outside of the dynamic random access memory, the display screen is electrically connected with the processing unit, the processing unit can control a display state of the display screen; and the transmit port is disposed on the substrate, and the transmit port is electrically connected with the memory module.

A dynamic random access memory, including a main body, a processing unit, a display screen and a transmit port. The main body has a substrate and a shell portion disposed by two opposite side faces of the substrate, the substrate is provided with a memory module; the processing unit is disposed in the main body; the display screen is attached to the main body and viewable from outside of the dynamic random access memory, the display screen is electrically connected with the processing unit, the processing unit can control a display state of the display screen; and the transmit port is disposed on the substrate, and the transmit port is electrically connected with the memory module.

Provided is a semiconductor device exemplified by an inverter circuit and a shift register circuit, which is characterized by a reduced number of transistors. The semiconductor device includes a first transistor, a second transistor, and a capacitor. One of a source and a drain of the first transistor is electrically connected to a first wiring, and the other thereof is electrically connected to a second wiring. One of a source and a drain of the second transistor is electrically connected to the first wiring, a gate of the second transistor is electrically connected to a gate of the first transistor, and the other of the source and the drain of the second transistor is electrically connected to one electrode of the capacitor, while the other electrode of the capacitor is electrically connected to a third wiring. The first and second transistors have the same conductivity type.

Provided is a semiconductor device exemplified by an inverter circuit and a shift register circuit, which is characterized by a reduced number of transistors. The semiconductor device includes a first transistor, a second transistor, and a capacitor. One of a source and a drain of the first transistor is electrically connected to a first wiring, and the other thereof is electrically connected to a second wiring. One of a source and a drain of the second transistor is electrically connected to the first wiring, a gate of the second transistor is electrically connected to a gate of the first transistor, and the other of the source and the drain of the second transistor is electrically connected to one electrode of the capacitor, while the other electrode of the capacitor is electrically connected to a third wiring. The first and second transistors have the same conductivity type.

A two-pin LED pixel-controlled light string system includes a controller, data capture converters, power lines and two-pin LED pixel-controlled light string sets. The controller sends a picture signal to the data capture converters. Each of the number-setting circuits sets a number of the data capture converter. According to the number, the data capture converter captures a captured part of the picture signal. The data capture converter converts the captured part of the picture signal to obtain a light signal. The data capture converter sends the light signal through the power line to the two-pin LED pixel-controlled light string set that the two-pin LED pixel-controlled light string set is in accordance with and electrically connected to the data capture converter, to drive the two-pin LED pixel-controlled light string set to light. Each of the two-pin LED pixel-controlled light string sets lighting together forms a picture representing the picture signal.

A verifiable display is provided that enables the visual content of the display to be detected and confirmed in a variety of ambient lighting conditions, enviroments, and operational states. In particular, the verifiable display has a display layer that is capable of visually setting an intended message for human or machine reading, with the intendended message being set using pixels. Depending on the operational condition of the display and the ambient light, for example, the message that is actually displayed and perceivable may vary from the intended message. To detect what message is actually displayed, a light detection layer in the verifiable display detects the illumination state of the pixels, and in that way is able to detect what message is actually being presented by the display layer.

A verifiable display is provided that enables the visual content of the display to be detected and confirmed in a variety of ambient lighting conditions, enviroments, and operational states. In particular, the verifiable display has a display layer that is capable of visually setting an intended message for human or machine reading, with the intendended message being set using pixels. Depending on the operational condition of the display and the ambient light, for example, the message that is actually displayed and perceivable may vary from the intended message. To detect what message is actually displayed, a light detection layer in the verifiable display detects the illumination state of the pixels, and in that way is able to detect what message is actually being presented by the display layer.

An indication system is provided and includes evaluation, messaging, and display modules and a display. The evaluation module generates a message based on a parameter of a compressor or a drive. The messaging module: generates a message based on the parameter; generates a string of glyphs based on the message; selects a predetermined number of glyphs in the string of glyphs; generates column data for the selected glyphs; and generates packets including the column data. The display module generates output signals based on the packets. The display includes an array of LEDs, does not include a transistor, and illuminates the LEDs based on the output signals. The display module is configured to generate the output signals to illuminate one or more of the LEDS in a column-by-column format, such that power is only provided to one column of the array of LEDs at any moment in time.

An electronic device and method for adapting content based on an ambient environment in the electronic device are provided. The device includes a display interface functionally connecting a content processing module to a display; and the content processing module, wherein the content processing module is configured to receive, from at least one external device external of the electronic device or the at least one external device, ambient color information corresponding for the electronic device or the at least one external device, modify color information for at least a part of first content to be output through the display based on the received ambient color information, and output, based on the modified color information, second content having the modified color information, through the display.