H10K65/00

Optoelectronic component with adjustable light emission and method for producing the same
09741781 · 2017-08-22 · ·

Various embodiments may relate to an optoelectronic component, including an optoelectronic structure, which is designed to provide a first electromagnetic radiation, and a measuring structure, which is designed to measure electromagnetic radiation, wherein the measuring structure has an optically active structure and at least one electro-optical structure. The optically active structure is optically coupled to the optoelectronic structure. The optically active structure is designed to absorb an electromagnetic radiation in such a way that the optically active structure produces a measured signal from the absorbed electromagnetic radiation. The absorbed electromagnetic radiation at least partially includes the first electromagnetic radiation and/or at least one second electromagnetic radiation of an external radiation source. The electro-optical structure is designed in such a way that the electro-optical structure has an adjustable transmittance, such that the fraction of the second electromagnetic radiation incident on the optically active structure can be adjusted.

DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF AND DISPLAY APPARATUS

The present disclosure provides a display substrate and a manufacturing method thereof, and a display apparatus. The display substrate has a fingerprint identification region. The display substrate includes a base substrate; a display unit on the base substrate and including a display thin film transistor and a light-emitting device, a second electrode of the display thin film transistor being coupled to a first electrode of the light-emitting device; and a fingerprint identification unit at a gap between adjacent display units in the fingerprint identification region and including a fingerprint identification transistor and a photosensitive device, a first electrode of the fingerprint identification transistor being coupled to a second electrode of the photosensitive device. The display substrate further includes a gate insulating layer on a side of an active layer of the display thin film transistor and an active layer of the fingerprint identification transistor distal to the base substrate.

Display Device and Electronic Device

A display device having a biometric authentication function is provided. A highly convenient display device is provided. The display device includes a first substrate, a light guide plate, a plurality of first light-emitting elements, a second light-emitting element, and a plurality of light-receiving elements. The light guide plate includes a first portion having a first surface and a second portion having a second surface that connects with the first surface and has a different normal direction from the first surface. The first light-emitting elements and the light-receiving elements are provided between the first substrate and the light guide plate. The first light-emitting elements have a function of emitting first light through the light guide plate, and the second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving elements have a function of receiving the second light and converting the second light to an electric signal. The first light includes visible light, and the second light includes infrared light.

DISPLAY PANEL HAVING AN INPUT SENSING FUNCTION AND A DISPLAY DEVICE
20220036826 · 2022-02-03 ·

A display panel including: a plurality of light emitting pixels which emit light in response to a first scan signal, a second scan signal, and a light emission control signal; and a plurality of light sensing pixels which output a sensing signal corresponding to external light in response to the first scan signal and the second scan signal, wherein each of the plurality of light emitting pixels includes an organic light emitting diode including an anode and a cathode, the cathode receiving a first driving voltage, and each of the plurality of light sensing pixels includes an organic photodiode including a first electrode and a second electrode, wherein the second electrode of the organic photodiode is electrically connected to the cathode of the organic light emitting diode to receive the first driving voltage.

Organic light emitting diode display
09728744 · 2017-08-08 · ·

An organic light emitting diode display is provided that may include a first substrate, a plurality of electrodes on the first substrate and spaced apart from each other, a pixel defining layer on the plurality of electrodes, spacers on the pixel defining layer, and a second substrate on the spacers. The pixel defining layer includes a plurality of openings spaced apart from each other and respectively open to the plurality of electrodes. The spacers on the pixel defining layer are at crossing points of a plurality of virtual lines, the spacers crossing spaces between adjacent openings of the plurality of openings.

Display Device and Mobile Terminal Device Including the Same
20220037430 · 2022-02-03 ·

Disclosed herein are a display device and a mobile terminal device including the same, which include a display panel including a screen in which a plurality of display pixels which are sequentially scanned, and a plurality of sensor pixels which are exposed to a light during an exposure time to convert the light into an electric current are disposed. While the display pixels disposed in the first area of the screen are scanned, the sensor pixels are exposed. While the display pixels in the second area of the screen are scanned, sensor data is output from the sensor pixels and then the sensor pixels are initialized.

Organic optoelectronic component and method for operating the organic optoelectronic component
09721991 · 2017-08-01 · ·

An organic optoelectronic component and a method for operating the organic optoelectronic component are disclosed. In an embodiment the organic optoelectronic component includes at least one organic light emitting element including an organic functional layer stack having at least one organic light emitting layer between two electrodes and at least one organic light detecting element including at least one organic light detecting layer, wherein the at least one organic light detecting element and the at least one organic light emitting element are laterally arranged on a common substrate.

Organic optoelectronic component with a light emitting element and a light detecting element and method for operating such an organic optoelectronic component
09721992 · 2017-08-01 · ·

An organic optoelectronic component and a method for operating an organic optoelectronic component are disclosed. In an embodiment an organic optoelectronic component includes an organic light emitting element including an organic functional layer stack having an organic light emitting layer between two electrodes and an organic light detecting element including a first organic light detecting element including a first organic light detecting layer, and a second organic light detecting element including a second organic light detecting layer, wherein the organic light emitting element and the organic light detecting element are arranged laterally adjacent on a common substrate, wherein the first organic light detecting element is configured to detect ambient light, wherein the second organic light detecting layer of the second organic light detecting element is arranged between two non-transparent layers, the non-transparent layers shade the second organic light detecting layer of the second organic light detecting element from ambient light.

Method for operating an organic optoelectronic component
09721993 · 2017-08-01 · ·

A method is specified for operating an organic optoelectronic component, which has at least one organic light-emitting element having an organic functional layer stack with at least one organic light-emitting layer between two electrodes and at least one organic light-emitting element having an organic light-detecting layer. These elements are arranged on a common substrate in laterally adjacent area regions. The at least one organic light-detecting element detects ambient light, which is incident onto the organic optoelectronic component. The intensity of the light emitted by the at least one organic light-emitting element is regulated depending on a signal of the at least one organic light-detecting element with a characteristic signal form.

Multi-functional active matrix organic light-emitting diode display
09818806 · 2017-11-14 · ·

A multi-functional active matrix display comprises a transparent front sheet, a semi-transparent layer of light emissive devices adjacent the rear side of the front sheet and forming a matrix of display pixels, and a solar cell layer located behind the light emissive devices for converting both ambient light and internal light7 from the light emissive devices into electrical energy, the solar cell layer including an array of electrodes on the front surface of the solar cell layer for use in detecting the location of a change in the amount of light impinging on a portion of the front surface of the solar cell layer.