H10K2102/3026

OLED - BASED MATRIX LIGHT TRANSMITTER FOR HIGH-SPEED OPTICAL COMMUNICATION

A light emitting system (1) intended for optical communication, which presents several OLEDs (2) whose activation allows to obtain different levels of light intensity corresponding to different levels of light modulation, and which comprises an organic optoelectronic device (3) of the OLED (2) type having actuatable zones (5) each with a specific geometric pattern, on a substrate (5) which supports a first layer (6) formed by a plurality of transparent or opaque and conductive anodes (6a, 6b, 6c) laterally separated by engravings (7); a second layer for insulation (8) on regions of the first layer (6), serving to electrically insulate the anodes (6a, 6b, 6c) and to guarantee the continuity of the two following layers and having a thickness e1; a third layer (9) of thickness e2 comprising at least one stack of organic layers (9a, 9b); a fourth layer of metal (10) with a thickness e3 having a plurality of cathodes (10a, 10b) laterally separated from one another and covering said stack of organic layers (9a, 9b), lateral separation profiles (11) of the cathodes (10a, 10b) and of the organic layers (9a, 9b), for electrically insulation the cathodes (10a, 10b), of thickness e4 greater than e1+e2+e3, deposited on the first layer (6) or on the second layer (8).

Method for manufacturing organic light-emitting diode display substrate

The present disclosure relates to the display technology, and provides an OLED display substrate, a method for manufacturing the OLED display substrate and a display device. The method includes: forming pixel definition layer transition patterns with metal; and oxidizing the pixel definition layer transition patterns to form an insulative pixel definition layer.

High resolution low power consumption OLED display with extended lifetime

Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.

IMAGE DISPLAY DEVICE AND ELECTRONIC APPARATUS
20230157126 · 2023-05-18 ·

To prevent attenuation and modulation of light received or projected through a display surface.

An image display device includes a plurality of pixels arranged two-dimensionally. A pixel in a first pixel region including some pixels among the plurality of pixels includes a first light emitting region, a second light emitting region having a higher visible light transmittance than the first light emitting region, a first self-light emitting element that emits light from the first light emitting region, and a second self-light emitting element that emits light from the second light emitting region, and a pixel in a second pixel region other than the first pixel region among the plurality of pixels includes a third light emitting region having a lower visible light transmittance than the second light emitting region, and a third self-light emitting element that emits light from the third light emitting region.

Display device

A display device includes a first conductive pattern on a substrate, a first insulating layer on the first conductive pattern, a semiconductor pattern on the first insulating layer, a second insulating layer on the first insulating layer and the semiconductor pattern, and a second conductive pattern on the second insulating layer. A first edge of the first conductive pattern faces a second edge of the second conductive pattern, the first conductive pattern does not overlap the second conductive pattern in an area where the first edge faces the second edge, the semiconductor pattern is in the area where the first edge faces the second edge, the second conductive pattern overlaps the second insulating layer, and the second insulating layer includes a third edge protruding from the second edge of the second conductive pattern.

LIGHT-EMITTING ELEMENT, AND DISPLAY DEVICE
20230147514 · 2023-05-11 ·

A light-emitting element includes a light-emitting layer including quantum dots, a selectively reflective layer, the selectively reflective layer having a reflection band having a higher reflectivity than a reflectivity of another band, and a wavelength at a long wavelength end in the reflection band of the selectively reflective layer is longer than a wavelength having a half value of a peak value of a light emission spectrum due to electroluminescence of the quantum dots at a shorter wavelength side than a peak wavelength of the light emission spectrum due to the electroluminescence of the quantum dots, and is shorter than a wavelength having the half value of the peak value of the light emission spectrum due to the electroluminescence of the quantum dots at a longer wavelength side than the peak wavelength of the light emission spectrum due to the electroluminescence of the quantum dots.

DISPLAY PANEL, MANUFACTURE METHOD THEREFOR, AND DISPLAY DEVICE

The present disclosure provides a display panel, having a light emitting layer, a transparent spacing layer on the light emitting layer, and a wavelength converting layer on the transparent spacing layer, wherein according to the luminance change ratios of the wavelength converting units of adjacent pixels and the light path property of the transparent spacing layer, the cross color issue in wavelength-conversion type display panels is at least partially solved by controlling the intensity proportions of the light arriving at the wavelength converting units of adjacent sub-pixels within a certain range.

DISPLAY DEVICE
20230145422 · 2023-05-11 ·

A display device includes a substrate including a display area and a non-display area surrounding the display area, a common voltage transmission line which is disposed in the non-display area and transmits a common voltage, a common voltage line disposed in the display area and connected with the common voltage transmission line, a common electrode disposed in the display area and the non-display area and connected with the common voltage line, a first pad disposed in the non-display area and connected with the common electrode, and a second pad disposed in the non-display area and connected with the common voltage transmission line.

DISPLAY DEVICE
20230147069 · 2023-05-11 ·

A display device, an electronic device, or a lighting device that is unlikely to be broken is provided. A flexible first substrate and a flexible second substrate overlap with each other with a display element provided therebetween. A flexible third substrate is bonded on the outer surface of the first substrate, and a flexible fourth substrate is bonded on the outer surface of the second substrate. The third substrate is formed using a material softer than the first substrate, and the fourth substrate is formed using a material softer than the second substrate.

DISPLAY DEVICE
20230157050 · 2023-05-18 · ·

According to one embodiment, a display device includes a base, a first insulating layer disposed on the base, a lower electrode disposed on the first insulating layer, an organic layer disposed on the lower electrode and including a light-emitting layer and an upper electrode disposed on the organic layer, and the lower electrode includes a conductive layer including a contact area disposed over an entire circumference thereof when viewed in plan view, a reflective layer disposed above the conductive layer on an inner side of the contact area, which reflects light and a transparent electrode located on the conductive layer and the reflective layer and in contact with the contact area.