G09G2300/043

Gate Driver and Electroluminescent Display Apparatus Including the Same
20220366855 · 2022-11-17 ·

A gate driver includes a plurality of gate stages. Each of the plurality of gate stages includes a carry generating circuit outputting a second carry signal having a phase which is later than a phase of a first carry signal, on the basis of a first clock signal and a second clock signal having different phases and a scan generating circuit outputting a scan signal having a phase which differs from phases of the first and second carry signals, on the basis of the first clock signal, the second clock signal, and the first carry signal. Each of the first clock signal, the second clock signal, the first carry signal, and the second carry signal may be a P-type pulse, and the scan signal may be an N-type pulse.

PIXEL CIRCUIT, DISPLAY DEVICE, AND METHOD OF DRIVING PIXEL CIRCUIT

A pixel circuit, display device, and method of driving a pixel circuit enabling source-follower output with no deterioration of luminance even with a change of the current-voltage characteristic of the light emitting element along with elapse, enabling a source-follower circuit of n-channel transistors, and able to use an n-channel transistor as an EL drive transistor while using current anode-cathode electrodes. The circuit includes a source of a TFT used as a drive transistor that is connected to an anode of a light emitting element, and a drain of the TFT is connected to a power source potential. A capacitor is connected between a gate and source of the TFT, and a source potential of the TFT is connected to a fixed potential through a TFT used as a switching transistor.

Display panel

A display panel including sub-pixels, first and second scan lines, first and second data lines, and first to fourth auxiliary lines is provided. The sub-pixels are arranged into first rows arranged in a first direction and second rows arranged in a second direction. Each third auxiliary line is electrically connected to a second auxiliary line and a first auxiliary line electrically connected to a first scan line. Each fourth auxiliary line is electrically connected to a second scan line and a first scan line. There are at least 2n second rows between each third auxiliary line and the first scan line electrically connected thereto, there are at least 2n+1 second rows between each third auxiliary line and the second scan line electrically connected thereto, and n is a positive integer.

Multi-page display screen and mobile phone including the same

The disclosure provides a multi-page display screen and a mobile phone including the same. The multi-page display screen includes a first display sub-screen and a second display sub-screen formed by flexible screens. The first display sub-screen and the second display sub-screen each includes a first half screen and a second half screen. The first half screen and the second half screen are pivotable and foldable relative to each other, and the first half screen and the second half screen can be unfolded relative to each other to constitute the first display sub-screen and the second display sub-screen respectively. Backs of the first half screens of the first display sub-screen and in the second display sub-screen are bonded together, such that the first display sub-screen and the second display sub-screen are arranged as book pages. The multi-page display screen makes it easy to switch to a page of a different mode.

Pixel circuit

A pixel circuit includes a light emitting element, a first driver transistor, a second driver transistor, and a first compensation capacitor. A first terminal of the first driving transistor is configured to receive a power signal, and a second terminal of the first driving transistor is electrically coupled to the light emitting element. A first terminal of the second driving transistor receives the power signal, and a control terminal of the second driving transistor is electrically coupled to the light emitting element. The first compensation capacitance is electrically coupled to a control terminal of the first driving transistor and the second terminal of the second driving transistor, respectively.

DISPLAY DEVICE AND A DRIVING METHOD THEREOF
20230095771 · 2023-03-30 ·

A display device including: first and second scan drivers; a data driver; a display unit including pixels connected to first and second scan lines, and data lines; and a controller controlling the first and second scan drivers, and the data driver, a first pixel includes: a light emitting element, a first transistor including a gate connected to a first node, wherein the first transistor is connected between a second node and a third node, a second transistor including a gate connected to a first scan line, the second transistor is connected between a data line and the second node, and a storage capacitor connected between the first node and a first power voltage; the first transistor is reverse biased by a second scan signal applied to a second scan line; and a first scan signal applied to the first scan line is different from the second scan signal.

Light emitting display panel and light emitting display apparatus including the same
11574583 · 2023-02-07 · ·

The light emitting display panel includes a plurality of pixels, a plurality of gate lines transferring gate signals to the plurality of pixels, a plurality of data lines transferring data voltages to the plurality of pixels, and a sensing line connected to a plurality of light emitting devices respectively included in the plurality of pixels. Each of the plurality of pixels includes a light emitting device, a sensing control transistor including a first terminal connected to a first terminal of the light emitting device and a gate connected to a sensing control line, and a sensing switching transistor including a first terminal connected to a second terminal of the sensing control transistor, a second terminal connected to the sensing line, and a gate connected to a sensing switching line.

Display device

A display device includes a driving transistor on a substrate, a light emitting element disposed on the driving transistor, and a lower electrode disposed between the substrate and the driving transistor. The driving transistor includes an active pattern and a gate electrode. The active pattern includes a first region, a second region, and a channel region between the first region and the second region. The light emitting element is electrically connected to the second region of the active pattern. The lower electrode overlaps the channel region of the active pattern and provides a back bias voltage to the driving transistor.

DISPLAY APPARATUS AND METHOD OF DRIVING A PLURALITY OF PIXELS IN THE DISPLAY APPARATUS
20230101274 · 2023-03-30 ·

A display apparatus includes a display panel including a plurality of pixels, a data driver to provide data voltages to the plurality of pixels and to sense threshold voltages of the pixels, and a driving controller to generate first difference values by calculating differences between the data voltages for first pixels included in an N-th pixel row and the data voltages for second pixels included in an (N+1)-th pixel row among the plurality of pixels in an initial driving period, to calculate limit offset values for the second pixels based on the first difference values, to generate threshold voltage compensation values for the second pixels based on the threshold voltages of the second pixels, and to compensate input image data for the second pixels based on the threshold voltage compensation values and the limit offset values, where N is an integer greater than 0.

Display apparatus

A display apparatus in which data signal distortion is reduced and thus is capable of accurately displaying an image includes a substrate including a display area that includes a first display area and a second display area, and a peripheral area surrounding the display area, first and second data lines respectively across the first and second display areas, main scan lines across the display area and disposed in parallel to the first and second data lines, sub scan lines across the display area and respectively connected to the main scan lines, the sub scan lines being disposed to cross the main scan lines, first data line pads connected to the first data lines, second data line pads connected to the second data lines, and scan line pads connected to the main scan lines, the first data line pads, the scan line pads, and the second data line pads being adjacent.