Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Wuhan China Star Optoelectronics Technology Co., Ltd.

Other

Semiconductor Display Technology Co., Ltd.

Wuhan China Star Optoelectronics

Jinchang Huang

Jiajia Luo

Xianjie Li

Yu Gu

Lin Y Yang

Yamei Bai

Meng Jin

Tao Yuan

Lei Lv

Hsianglun Hsu

Ming Zhang

Xu Wang

Qu Zhang

Lin Yang

The present application provides a display panel including a plurality of pixel units, one of the pixel units includes: a first pixel; and a second pixel spaced from the first pixel. A maximum size of the second pixel in a first direction is greater than a maximum size of the first pixel in the first direction. The second pixel is provided with at least one pixel notch disconnecting a part of the second pixel to form at least two light emitting portions at least partially spaced apart in the first direction.

Display panel

The present invention discloses a display panel and a display device. In a first display area, the display panel includes pixel areas and a light-transmitting area, and further includes: a light-emitting unit layer; an auxiliary layer including at least one auxiliary part, wherein the auxiliary part is disposed in a light-transmitting area; and a first electrode layer. The auxiliary part comprises a platform part and an edge part, the first electrode layer covers the light-emitting unit layer and at least part of the edge part, and a thickness of the first electrode layer located on the edge part is less than a thickness of the first electrode layer located on the light-emitting unit layer.

Display panel and display device

Provided is a display panel, comprising a flexible substrate, a transition layer, a buffer layer, a drive layer, a functional layer, and a thin-film encapsulation layer. The transition layer covers one side of the flexible substrate; the buffer layer covers one side, away from a rigid carrier, of the transition layer; the drive layer covers one side, away from the transition layer, of the buffer layer; the functional layer covers one side, away from the buffer layer, of the drive layer; and the thin-film encapsulation layer covers the surface of the functional layer. According to the invention, a sulfydryl-containing transition layer is modified on a flexible substrate by means of sulfydryl modification to realize tight adhesion between the flexible substrate and a buffer layer in a drive layer, so that the adhesion force between the flexible substrate and the buffer layer is greatly enhanced by means of chemical adsorption.

Display panel and manufacturing method thereof

A display panel and a display device are provided. The display panel having a first display region includes a base, a pixel definition layer, and first spacers. At least one of the first spacers is provided with a via hole, and a first cathode suppression layer is disposed in the via hole. The first cathode suppression layer causes no cathode layer deposited in the via holes of the first spacers. In this way, the light transmittance of each of the first spacers in the first display region is increased, thereby increasing the light transmittance of the first display region.

Display panel and display device with cathode suppression layer in a spacer

The present application provides a display panel and a display device. The display panel includes: a cathode inhibition layer disposed on a side of the pixel definition layer and between light-emitting units, a cathode disposed on a side of a light-emitting layer away from a substrate, and a color filter layer disposed on the cathode away from the substrate, wherein a thickness of the cathode on the cathode inhibition layer is less than a thickness of the cathode on the light-emitting unit. A light shielding portion of the color filter layer includes a light-permeable aperture configured corresponding to the cathode inhibition layer, and a light transmittance of a light-permeable material in the light-permeable aperture is greater than a light transmittance of the light shielding portion.

A display panel and a display device are disclosed. The display panel includes a substrate, a cathode suppression layer, a cathode, and a polarizer. The cathode suppression layer includes a first cathode suppression portion located in a first light-transmitting area. The cathode is located in a first light-emitting area and the first light-transmitting area, and covers at least part of the first cathode suppression portion. The polarizer includes a first light-transmitting portion located in the first light-transmitting area. A projection of the first light-transmitting portion projected on the substrate is located within a boundary of a projection of the first cathode suppression portion projected on the substrate.

The present application discloses a display panel and a display device. The display panel includes pixel areas and transmitting areas in a first display area. The display panel further includes a light-emitting unit layer including light-emitting units, an auxiliary layer, a first electrode layer covering the light-emitting unit layer and at least part of the auxiliary layer, and a transparent auxiliary electrode layer at least covering part of the auxiliary layer and electrically connected to the first electrode layer. A thickness of the first electrode layer on the auxiliary layer is less than a thickness of the first electrode layer on the light-emitting unit layer.

The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a blue thermally activated delayed fluorescence material, a synthesis method thereof, and use thereof. The blue thermally activated delayed fluorescence material has a following structural formula:

Blue thermally activated delayed fluorescence material, synthesis method thereof, and use thereof

The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a thermally activated delayed fluorescence material having red, green, or blue color, a synthesis method thereof, and application thereof. The thermally activated delayed fluorescence material having red, green, or blue color has the following structural formula: 

Thermally activated delayed fluorescence material having red, green, or blue color, synthesis method thereof, and application thereof

A dithiazine-based hole transport material, preparing method thereof and an organic light-emitting device are provided; a molecular structural formula of the hole transport material is as following: wherein Rand Rare each an electron-donating group.

Dithiazine-based hole transport material, preparing method thereof, and organic light-emitting device

An efficient blue-green to orange-red thermally activated delayed fluorescence material, a manufacture method, and an application thereof are provided. This disclosure solves the technical problems in the art by cleverly synthesizing a series of thermally activated delayed fluorescence materials, which have lower singlet-triplet energy difference, high luminous efficiency, and fast reverse intersystem crossing constant, and simultaneously fine-tuning the structure to cover the spectrum from blue-green light to orange-red light. Further, their structures are confirmed by nuclear magnetic resonance and mass spectroscopy, and their photophysical properties are also determined. Therefore, these luminescent thermally activated delayed fluorescence (TADF) materials are applied to light-emitting layer for manufacturing a series of organic light-emitting diodes (OLEDs) having high performance, which have great application prospects and economic value.

Efficient blue-green to orange-red thermally activated delayed fluorescence material, manufacture method, and application thereof

An acridine derivative including a structure of formula (I) is provided. The acridine derivative can be used as a fluorescent material, in particular, it is included in an organic light-emitting layer as a dark blue thermally-activated delayed fluorescent material, thereby a series of high-performance electrothermally activated delayed fluorescent devices are produced.

Acridine derivatives and organic electroluminescent device

A thermally activated delayed fluorescence (TADF) material including a compound represented by formula (I). The TADF material can be applied to an organic light-emitting layer, thereby realizing a series of high-performance TADF electronic devices.

Thermally activated delayed fluorescence material, organic electroluminescent device, and display panel

The present invention provides a green light thermal activation delayed fluorescent material, a synthesizing method thereof, and an electroluminescent device. The green light thermal activation delayed fluorescent material is a target compound having a molecular structure of D-A and synthesized by a reaction of an electron donor and an electron acceptor, wherein the electron acceptor being a planar electron acceptor in an ultra-low triplet energy state, and a triplet energy state of the target compound ranging from 2.0 to 3.0 eV. The method for synthesizing a green light thermal activation delayed fluorescent material includes the following steps: a reaction solution preparation step; a target compound synthesis step; an extraction step; and a target compound purification step. The electroluminescent device includes: a substrate layer; a hole transporting and injecting layer; a light emitting layer; an electron transporting layer; and a cathode layer.

Green light thermally activated delayed fluorescence (TADF) material and application thereof

An organic light-emitting diode (OLED) display panel and a manufacture method thereof are provided, which can enable the organic material encapsulated inside to have the function of removing water and oxygen, thereby further ensuring a reliable lifespan of the OLED display panel.

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Wuhan, China

Jinchang Huang