G09G2300/0852

Display panel, light sensing detection method thereof and display device

Display panel, light sensing detection method thereof and display device are provided. The display panel includes a plurality of light sensing detection units. A light sensing detection unit of the plurality of light sensing detection units includes a light sensing detection circuit. The light sensing detection circuit corresponding to a same light sensing detection unit includes N light sensing detection branches connected in parallel, a light sensing detection branch of the N light sensing detection branches includes a storage capacitor, and N≥2. The N light sensing detection branches include a first light sensing detection branch and a second light sensing detection branch. The storage capacitor includes a first storage capacitor located in the first light sensing detection branch and a second storage capacitor located in the second light sensing detection branch. A capacitance of the first storage capacitor is greater than a capacitance of the second storage capacitor.

DISPLAY APPARATUS
20230230537 · 2023-07-20 ·

A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver is configured to provide a gate signal to the pixel. The data driver is configured to provide a data voltage to the pixel. The emission driver is configured to provide an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element and a bias switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is configured to provide a bias voltage to an input electrode of the driving switching element. A frequency of a bias gate signal applied to a control electrode of the bias switching element is greater than a frequency of a data write gate signal applied to the pixel.

DISPLAY DEVICE
20230017957 · 2023-01-19 ·

According to an aspect, a display device includes: a substrate; a plurality of pixels provided to the substrate; a light-emitting element and a transistor provided to each of the pixels; an insulating film covering the transistor; a mounting electrode provided on the insulating film and on which the light-emitting element is mounted; and an anode electrode facing at least a part of the mounting electrode and electrically coupled to the transistor. The insulating film has a first groove extending along at least one side of an outer periphery of the mounting electrode in plan view seen from a direction perpendicular to the substrate. The mounting electrode is coupled to the anode electrode in a linear part along an extending direction of the first groove at a bottom surface of the first groove.

DISPLAY APPARATUS

Disclosed is a display apparatus. The display apparatus includes: display modules, each of which includes: a display panel composed of inorganic light emitting elements arranged in row lines, and sub-pixel circuits respectively corresponding to the inorganic light emitting elements; and a driver configured to drive the sub-pixel circuits in an order of the row lines based on a start signal provided from a timing controller. The timing controller is configured to: provide a first start signal to the driver of a first display module to control the inorganic light emitting elements to sequentially emit light from a first row line to a last row line, and provide a second start signal to the driver of a second display module to control the inorganic light emitting elements to sequentially emit light following an emission order of the inorganic light emitting elements included in the last row line of the first display module.

Display device

A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

Pixel and display device including the same

A pixel of display device includes a light emitting element, a first transistor coupled between first power source and a second node and having a gate electrode connected to a first node N1, and the first transistor being configured to control a driving current supplied to the light emitting element in response to a voltage of the first node, a first capacitor including one electrode connected to the first node and another electrode connected to a third node, a second transistor coupled between the third node and a data line, a third transistor coupled between the first node and the second node, a fourth transistor coupled between the first node and an initialization power source, a fifth transistor coupled between a reference power source and the third node, and an eighth transistor coupled between a fourth node and an anode initialization power source.

DISPLAY DEVICE
20230222981 · 2023-07-13 ·

Narrowing of a picture-frame of a display device that can perform switching between vertical scanning directions is implemented. A gate driver (21) includes a shift register (211) including a plurality of unit circuits including n unit circuits connected to write control lines; a first scanning order switching circuit (212) including a plurality of first switching circuits respectively corresponding to the plurality of unit circuits; and a second scanning order switching circuit (213) including n second switching circuits connected to initialization control lines. The first scanning order switching circuit (212) controls operation of the shift register (211) based on scanning order instruction signals. Each second switching circuit applies, based on the scanning order instruction signals, an output signal from a unit circuit on a previous stage side or an output signal from a unit circuit on a subsequent stage side, as a second scanning signal, to an initialization control line.

DISPLAY DEVICE

A display device includes a display panel including a pixel array including a plurality of pixels and a plurality of sub-pixel circuits, each pixel of the plurality of pixels including a plurality of inorganic light emitting elements and a sub-pixel circuit of the plurality of sub-pixel circuits being provided for an inorganic light emitting element of the plurality of inorganic light emitting elements, a driver configured to set the image data voltage to sub-pixel circuits included in each of the plurality of row lines in an order of the row lines, a sensing unit configured to sense a current flowing in a driving transistor included in the sub-pixel circuit based on a specific voltage applied to the sub-pixel circuit, and output sensing data corresponding to the sensed current, and a correction unit configured to correct the image data voltage applied to the sub-pixel circuit based on the sensing data.

Display device

A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

DISPLAY PANEL
20230225160 · 2023-07-13 ·

A display panel includes a first initialization voltage line in the display area and configured to transmit a first initialization voltage, a second initialization voltage line in the display area and configured to transmit a second initialization voltage, a first transistor in a first pixel area of the display area and connected to a pixel electrode of a first light-emitting diode emitting light of a first color and the first initialization voltage line, and a second transistor in a second pixel area adjacent to the first pixel area, the second transistor being connected to a pixel electrode of a second light-emitting diode emitting light of a second color and the second initialization voltage line.