The present disclosure provides a light-emitting element having an emission region and a contact region. In the emission region the light-emitting element has, a wiring layer, an interlayer insulating layer, a reflective layer, an optical adjustment layer, a first electrode, a light-emitting layer, and a second electrode, in this order from a substrate side; and in the contact region has, the wiring layer, a conductor, the first electrode, the light-emitting layer, and the second electrode, in this order from the substrate side. The conductor is electrically connected to both the first electrode and the wiring layer. A shortest distance between the first electrode and the substrate in the contact region is equal to or greater than a shortest distance between the reflective layer and the substrate in the emission region.

The present disclosure relates to a display device including: a flexible substrate including an active area and a bezel area disposed outside the active area, the active area including a module area in which multiple holes are provided; a back plate disposed on one surface of the flexible substrate, and being provided with an opening disposed in a manner that corresponds to the module area; a thin-film transistor and wire formation layer disposed on another surface of the flexible substrate, and including multiple light-transmitting areas disposed in a manner that corresponds to the opening; and a module received within the opening of the back plate, wherein the module receives light from outside through the multiple light-transmitting areas, the multiple holes, and the opening.

A display region includes a second display region that transmits light used in a camera on the inner side of a first display region. A first electrode in the first display region has a structure in which a first lower transparent conductive layer, a first reflective conductive layer, and a first upper transparent conductive layer are layered in order. A first electrode in the second display region has a structure in which a second lower transparent conductive layer, a second reflective conductive layer, and a second upper transparent conductive layer are layered in order. The second reflective conductive layer is thinner than the first reflective conductive layer on the inner side of an opening of an edge cover.

Provided is a display device including a base layer on which a pixel region, a sensor region, and a peripheral region adjacent to the pixel region and the sensor region are defined, an element layer including a light emitting element having a light emitting layer disposed in the pixel region, and including a light sensing element having a photoelectric conversion layer disposed in the sensor region, a light blocking pattern disposed on the element layer and overlapping a portion of the peripheral region, and an optical pattern disposed on the light blocking pattern, wherein at least a portion of the optical pattern overlaps the photoelectric conversion layer on a plane. Accordingly, the display device of an embodiment may sense the biometric information of a user more precisely.

Provided is a display device including a base layer on which a pixel region, a sensor region, and a peripheral region adjacent to the pixel region and the sensor region are defined, an element layer including a light emitting element having a light emitting layer disposed in the pixel region, and including a light sensing element having a photoelectric conversion layer disposed in the sensor region, a light blocking pattern disposed on the element layer and overlapping a portion of the peripheral region, and an optical pattern disposed on the light blocking pattern, wherein at least a portion of the optical pattern overlaps the photoelectric conversion layer on a plane. Accordingly, the display device of an embodiment may sense the biometric information of a user more precisely.

An optical device includes an underlying device configured output light in a first spectrum. A stacked device is coupled to the underlying device is configured to be coupled in an overlapping fashion to an optical output of the underlying device. The stacked device is transparent to light in the first spectrum. The stacked device includes electro-optical circuits including: light emitters and detectors. Each detector is associated with one or more light emitters. Each detector is configured to detect light emitted from the underlying device. The light emitters are configured to output light dependent on light detected by an associated detector. Optical filters are optically coupled to an optical input of the underlying device. Each filter is aligned with a detector to suppress absorption of certain wavelengths of light by the underlying device thereby affecting light detected by the detectors and thus further affecting the light output by the light emitters.

An optical device includes an underlying device configured output light in a first spectrum. A stacked device is coupled to the underlying device is configured to be coupled in an overlapping fashion to an optical output of the underlying device. The stacked device is transparent to light in the first spectrum. The stacked device includes electro-optical circuits including: light emitters and detectors. Each detector is associated with one or more light emitters. Each detector is configured to detect light emitted from the underlying device. The light emitters are configured to output light dependent on light detected by an associated detector. Optical filters are optically coupled to an optical input of the underlying device. Each filter is aligned with a detector to suppress absorption of certain wavelengths of light by the underlying device thereby affecting light detected by the detectors and thus further affecting the light output by the light emitters.

An electronic device includes a frame and a display stack. The frame defines a first part of an interior volume. The display stack includes a cover attached to the frame. The cover may define a second part of the interior volume. The display stack also includes an array of organic light-emitting diodes (OLEDs) including an array of emissive electroluminescent (EL) regions, and at least one organic photodetector (OPD) disposed between the cover and at least one emissive EL region in the array of emissive electroluminescent regions. The at least one emissive EL region emits light through the at least one OPD. In alternative embodiments, the OLEDs may be stacked on the OPDs, or the OLEDs and OPDs may be interspersed with each other instead of stacked.

An electronic device includes a frame and a display stack. The frame defines a first part of an interior volume. The display stack includes a cover attached to the frame. The cover may define a second part of the interior volume. The display stack also includes an array of organic light-emitting diodes (OLEDs) including an array of emissive electroluminescent (EL) regions, and at least one organic photodetector (OPD) disposed between the cover and at least one emissive EL region in the array of emissive electroluminescent regions. The at least one emissive EL region emits light through the at least one OPD. In alternative embodiments, the OLEDs may be stacked on the OPDs, or the OLEDs and OPDs may be interspersed with each other instead of stacked.

A display device measures a user's blood pressure by detecting a photoplethysmography signal. A display device includes a display panel that includes a through hole and a pixel area that surrounds the through hole and includes pixels that display an image, a pressure sensor disposed on a surface of the display panel and configured to sense an externally applied pressure, a light-emitting member disposed at a position that overlaps the through hole of the display panel and outputs light toward a front side of the display panel through the through hole, and a light-receiving sensor that faces the front side of the display panel and is configured to sense light reflected from the front side of the display panel toward the display panel.