G09G2300/0439

Bluephase liquid crystal pixel circuit, driving method thereof, and display device
11257453 · 2022-02-22 ·

A bluephase liquid crystal pixel circuit, which includes first to fifth electrical switches, a first capacitance, and a second capacitance. According to the bluephase liquid crystal pixel circuit, a data signal voltage of a panel can be significantly lowered to achieve a purpose of reducing power consumption, and a compensation effect for a threshold voltage may also be realized.

Pixel circuit
11257429 · 2022-02-22 · ·

A pixel circuit including an organic light-emitting element, a switching transistor, a storage capacitor that stores a data signal applied via a data line, a driving transistor that allows a driving current corresponding to the data signal to flow into the organic light-emitting element, an emission control transistor electrically connected to the organic light-emitting element and the driving transistor in series, and sync transistors electrically connected to a bottom metal electrode of the driving transistor. The sync transistors include a first sync transistor electrically connected to a first one selected from a source electrode of the driving transistor, a gate electrode of the driving transistor, the high power voltage, and the low power voltage and a second sync transistor electrically connected to a second one selected from the source electrode of the driving transistor, the gate electrode of the driving transistor, the high power voltage, and the low power voltage.

Liquid crystal display device
09824646 · 2017-11-21 · ·

A liquid crystal display device includes a display area in which pixels are disposed in a matrix with rows and columns. The display area includes first and second configuration columns. The first configuration column is a column where first pixels are aligned. The first pixels each include a pixel electrode including first and second areas. In the first area, electrodes extending in a first direction inclined to the column direction are disposed. In the second area, electrodes extending in a second direction inclined differently from the first direction are disposed. The second configuration column is a column where second and third pixels are alternately aligned. The second pixels each include a pixel electrode including electrodes extending in a third direction inclined to the column direction. The third pixels each include a pixel electrode including electrodes extending in a fourth direction inclined differently from the third direction.

OLED display device with variable gamma reference voltage

An OLED display device includes an OLED display panel on which subpixels are disposed, a gamma reference voltage supply circuit supplying gamma reference voltages that are variable during driving and when sensing a threshold voltage, and a data driver supplying data voltages based on the gamma reference voltages to data lines. The data driver senses a voltage of a sensing node within each of the subpixels in sensing mode. A timing controller controls the data driver, and performs a compensation process based on the voltage sensed by the data driver.

ELECTRONIC DEVICE, DISPLAY DEVICE, AND SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING THE SAME

A pixel having a transistor which controls a current value supplied to a load, a first storage capacitor, a second storage capacitor, and first to fourth switches is included. After the threshold voltage of the transistor is held in the second storage capacitor, a potential in accordance with a video signal is input to the pixel. Voltage obtained by adding a potential in which the potential in accordance with the video signal and the first storage capacitor are capacitively divided to the threshold voltage is held in the second storage capacitor in this manner, so that variation of a current value caused by variations in the threshold voltage of the transistor is suppressed. Thus, desired current can be supplied to the load such as a light-emitting element. In addition, a display device with little deviation from luminance specified by the video signal can be provided.

Display Panel, Manufacturing Method Thereof and Display Device

A display panel and a manufacturing method thereof, and a display device are disclosed. The display panel is divided into a display area and a non-display area, and the display panel includes: a display substrate; an upper substrate which is arranged on the display side of the display substrate and cell-assembled with the display substrate; and an adhesive layer which is arranged between the upper substrate and the display substrate, and the display panel further includes a thin film layer which is arranged on the side of the upper substrate away from the display substrate, a region of which corresponding to the non-display area is an opaque area, and a region of which corresponding to the display area is a transparent area. Thus, the structure is simplified, the manufacturing method of the display panel is simplified without side curing, and the cost is also reduced.

ELECTRONIC DEVICES AND OPERATING METHODS OF ELECTRONIC DEVICES

An electronic device includes a display panel that includes a first region including first pixel groups and a second region including second pixel groups, and a compensation circuit. The compensation circuit may receive first image data. The compensation circuit may compensate to generate second image data in response to a determination that the first image data corresponds to at least one of one or more particular first pixel groups that are adjacent to a boundary between the first region and the second region or one or more particular second pixel groups that are adjacent to the boundary. The compensation circuit outputs the second image data to the display panel.

DISPLAY INCLUDING NANOSCALE LED MODULE
20170250168 · 2017-08-31 ·

Provided are a display including a very-small light-emitting diode (LED) and a method of manufacturing the same. The display includes a panel in which a first signal line and a second signal line are disposed in a lattice form, an LED module including an electrode assembly having a first electrode connected to the first signal line and the second signal line and a second electrode connected to a ground, and a plurality of very-small LEDs connected to the first electrode and the second electrode, and two or more switches which connect the first signal line and the second signal line to the first electrode, wherein the second electrode is connected to a common electrode formed on the panel, at least one other LED module is grounded to the common electrode, and the two or more switches selectively provide a current supplied through the first signal line to the first electrode on the basis of a signal of the first signal line and a signal of the second signal line.

STRETCHABLE DISPLAY DEVICE
20170249886 · 2017-08-31 ·

A stretchable display device includes a first stretchable display panel and a second stretchable display panel overlapping the first stretchable display panel. The first stretchable display panel includes a first stretchable substrate having a first length and a plurality of first pixels spaced apart from one another on the first stretchable substrate. The second stretchable panel includes a second stretchable substrate and a plurality of second pixels spaced apart from one another on the second stretchable substrate. The first stretchable substrate is stretchable in a first direction to have a second length. When the first stretchable substrate is stretched to have the second length, the second pixels are each positioned between the plurality of first pixels when viewed from a plan view.

Pixel and organic light emitting display using the same
09747838 · 2017-08-29 · ·

A pixel may include an organic light emitting diode (OLED) with a cathode electrode coupled to a second power source, a first transistor with a first electrode coupled to a data line, with a second electrode coupled to a first node, the first transistor being turned on when a scan signal is supplied to a scan line, a first capacitor coupled between the first node and a third power source to charge a first capacitor voltage corresponding to a data signal supplied from the data line, and a pixel circuit charged by the first capacitor voltage to supply current corresponding to a charged first power source voltage from a first power source to the second power source via the OLED.