Abstract: A display apparatus includes a substrate on which a plurality of sub-pixels is defined, a plurality of anodes disposed in each of the plurality of sub-pixels on the substrate, an organic layer disposed on the plurality of anodes, a cathode disposed on the organic layer, and a bank disposed between the anode and the organic layer and between emission areas of each of the plurality of sub-pixels. The bank includes a plurality of trenches, and the organic layer and the cathode are disposed in the bank and the plurality of trenches. As a result, a resistance of the organic layer in which a leakage current flows from the trench increases, so that the leakage current which may be transmitted to the adjacent sub-pixels and color mixing due to the leakage current can be minimized.

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a carbazole-based compound represented by Formula 1A or 1B: When the carbazole-based compound represented by Formula 1A or 1B is included in the hole transport layer, an organic light-emitting device may have improved driving voltage, efficiency, luminance, and lifespan characteristics.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

Abstract: A device includes an organic insulating film having a contact hole in which an inclined face is formed, a pixel electrode formed along an inclined face of the contact hole and the organic insulating film, an intra-pixel wiring line coupling the pixel electrode to a TFT within the contact hole, a light-emitting layer formed on the organic insulating film to cover the pixel electrode, a light-emitting layer formed to overlap the light-emitting layer at least in the inclined face of the contact hole, and a common electrode formed on the light-emitting layer correspondingly to the pixel electrode.

Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer partially exposing a top surface of the first electrode; a light emitting layer disposed on the partially exposed top surface of the first electrode; a second electrode on the light emitting layer and the bank layer; an inorganic deposition layer on the second electrode; and a thin film encapsulation layer on the inorganic deposition layer, where at a wavelength of about 550 nm, an absorption coefficient (k) of the inorganic deposition layer is less than about 4.

Abstract: A display panel includes a substrate; multiple first electrode signal lines formed on the substrate; and multiple isolation columns located on a side of the multiple first electrode signal lines facing away from the substrate. The display panel includes multiple pixel regions and multiple partition regions, each of the multiple pixel regions is internally provided with a respective one of the multiple isolation columns, each of the multiple isolation columns is internally provided with multiple pixel openings, and each of the multiple pixel openings is internally provided with a first electrode and a light-emitting function layer located on a side of the first electrode facing away from the substrate, the first electrode is electrically connected to a corresponding one of the multiple first electrode signal lines, and the multiple partition regions are used for partitioning a second electrode between two adjacent pixel regions.

Abstract: A hybrid emissive layer and OLED incorporating the same are provided. The hybrid emissive layer includes a first material having a triplet state energy level T1H and a singlet state energy level S1H, a second material having a triplet state energy level T1F and a singlet state energy level S1F; and a third material having a triplet state energy level T1P and a single state energy level S1P, where T1FT1H; S1FS1H; and T1P<T1H.

Abstract: A partial transparent display device has a light transmitting function and a light emitting function in one area. The partial transparent display device includes a substrate, a transparent emission area, a driving emission area, and a pad part. The transparent emission area is disposed to be adjacent to one side of the substrate. The driving emission area is disposed to be adjacent to the transparent emission area and to be closer to the other side opposite to the one side. The pad part extends from the driving emission area and is disposed on the other side. The driving emission area includes driving emission pixels which are defined by scan lines, data lines, and pixel driving power supply lines. The transparent emission area includes transparent emission pixels which are defined without the scan lines, the data lines, and the pixel driving power supply lines.

Abstract: A light-emitting structure comprises a substrate, a sub-pixel stack patterned over the substrate, an insulating material patterned to surround the emissive stack, and a bank patterned to surround the sub-pixel stack and the insulating material. The sub-pixel stack comprises an emissive stack between a first electrode layer and a second electrode layer.

Abstract: An electronic device with high outcoupling efficiency or a high light-trapping effect is provided. The electronic device includes a first layer and a second layer between a first electrode and a second electrode, the first layer is included between the first electrode and the second layer, the first layer includes a first organic compound and a first substance, the refractive index of a thin film of the first organic compound is higher than or equal to 1 and lower than or equal to 1.75, the first substance has an electron-accepting property, and the second layer has a function of emitting or absorbing light.

Abstract: A display panel includes a base substrate, in which a hole area, an active area surrounding the hole area, and a peripheral area adjacent to the active area are defined, a circuit layer including a first circuit insulating layer on the base substrate, a second circuit insulating layer on the first circuit insulating layer, and a thin film transistor on the active area, a display layer including a first display insulating layer on the circuit layer, a second display insulating layer on the first display insulating layer, and a light emitting element on the active area and connected to the thin film transistor, a guide pattern on the circuit layer between the light emitting element and the groove part, and an encapsulation layer which covers the light emitting element and including first and second inorganic layers and an organic layer. The organic layer covers at least a portion of the guide pattern.

Abstract: Provided is a light-emitting element which has an anode, a light-emitting layer over the anode, an electron-transport layer over and in contact with the light-emitting layer, an electron-injection layer over and in contact with the electron-transport layer, and a cathode over and in contact with the electron-injection layer. The light-emitting layer has an electron-transport property, and the electron-transport layer includes an anthracene derivative. The light-emitting layer further includes a phosphorescent substance. This device structure allows the formation of a highly efficient blue-emissive light-emitting element even though the phosphorescent substance has higher triplet energy than the anthracene derivative which directly contacts with the light-emitting layer.

Abstract: A display apparatus includes a light-emitting device and an optical lens are stacked on an emission area of a device substrate. A black matrix and a touch electrode may be disposed on a non-emission area of the device substrate. An encapsulation unit covering the light-emitting device and an optical insulating layer covering the black matrix may be disposed on the emission area and the non-emission area of the device substrate. The touch electrode and the optical lens may be disposed on the optical insulating layer. A lens barrier may be disposed on the optical insulating layer. The optical lens may be surrounded by the lens barrier. Thus, in the display apparatus, a deform of the optical lens due to a reflow process may be prevented. Therefore, in the display apparatus, decreasing the quality of the image due to a process of forming the optical lens may be prevented.

Abstract: Provided is a display device capable of displaying a high-quality image even under high temperature conditions, the display device including a flexible substrate, a pixel circuit layer arranged on the flexible substrate, and including a thin-film transistor and a through hole extending to the flexible substrate, a first organic layer arranged on the pixel circuit layer and in contact with the flexible substrate through the through hole, an inorganic layer arranged on the first organic layer to cover an upper surface of the first organic layer, a pixel electrode arranged on the inorganic layer, and an encapsulation layer arranged on the pixel electrode, and including a first inorganic encapsulation layer, a second inorganic encapsulation layer, and an organic encapsulation layer between the first inorganic encapsulation layer and the second inorganic encapsulation layer.

Abstract: The present invention relates to formulations comprising at least one hyper-branched polymer which contains 30 to 70 mol % of at least one hole-transporting recurring unit A, 5 to 30 mol % of least one branching recurring unit B, 5 to 30 mol % of at least one further recurring unit C and 5 to 40 mol % of least one end group E, where the recurring units A, B and C are different from one another, and at least one organic solvent, characterised in that the formulation has a viscosity of ?25 mPas. The present invention furthermore relates to the corresponding hyperbranched polymers and to processes for the preparation thereof. The present invention additionally also relates to the use of the hyperbranched polymers according to the invention in electronic or opto-electronic devices, and to electronic or opto-electronic devices containing these polymers.

Abstract: The present application relates to a display panel, a display screen and a display terminal, wherein the display panel comprises a substrate, having a first surface for an external light entering therein and a second surface for an external light exiting therefrom; and at least one diffractive relief structure, provided on the second surface of the substrate and used for reducing or eliminating a diffractive light formed on the second surface by the external light passing through the substrate. The diffractive relief structure is arranged on the second surface of the display panel, and can be used to effectively eliminate the positive and negative order diffractive light formed on the second surface of the substrate by the external light entering the first surface of the substrate and exiting from the second surface.

Abstract: A light emitting device, a display panel, and a display panel manufacturing method are provided in the embodiments of the present disclosure. The light emitting device includes a first electrode, and second electrode arranged around the first electrode, and the second electrode is symmetrically disposed with respect to the first electrode. A distance from each of points on the second electrode to a center point of the first electrode is equal. When the light emitting device is transferring, any point on the second electrode abuts the corresponding electrode, thereby reducing the difficulty in a mass transfer process of the light-emitting device.

Abstract: The display substrate includes sub-pixels of different colors. The sub-pixels are arranged as pixel columns in a first direction. Sub-pixels in the same pixel column have the same color. The display substrate includes a substrate, a first electrode layer, a pixel defining structure and an organic light-emitting layer. The pixel defining structure includes a first pixel defining structure, and a second pixel defining structure. The organic light-emitting layer includes color light-emitting layers with different colors. One light-emitting layer includes main body parts in a display region and a virtual part in a bezel region. The virtual part is connected to at least two main body parts in the light-emitting layer of the same color.

Abstract: An organic EL device includes at least an anode, a first light-emitting layer, an intermediate layer, a second light-emitting layer, and a cathode in this order. The intermediate layer is adjacent to the first light-emitting layer and the second light-emitting layer. The first light-emitting layer and the second light-emitting layer can trap electrons. A material constituting the intermediate layer is a hydrocarbon that has a HOMO level equal to or lower than the HOMO level of a host of the first light-emitting layer and that has a high S1 level.

Abstract: A display panel, a preparation method, and a display device are disclosed, including an array substrate, an organic light emitting diode (OLED) light emitting device disposed on a side of the array substrate, and a scattering layer disposed on a side of the OLED light emitting device away from the array substrate, wherein the scattering layer has a plurality of micropores.

Abstract: Provided is a compound of Chemical Formula 1: wherein: A is a benzene ring; X1 and X2 are each independently O or S; Y1 to Y3 are each independently N or CH, provided that at least one of Y1 to Y3 is N; Ar1 and Ar2 are each independently a substituted or unsubstituted: C6-?aryl or C2- 60 heteroaryl containing at least one of N, O, and S; R1 to R3 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S; and R?and R5 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-?cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S, and an organic light emitting device including the same.

Abstract: A display panel comprises a first substrate including a display area and a non-display area surrounding the display area, a light emitting diode disposed in the display area on the first substrate, an adhesive layer covering the display area and the non-display area on the first substrate, and a second substrate bonded to the first substrate by the adhesive layer, wherein the second substrate includes a barrier structure portion for defining a plurality of open spaces on one surface of the second substrate that adjoins the adhesive layer.

Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display device. The display substrate includes a plurality of pixel regions, each of the pixel regions including a display region provided with a pixel electrode and a driving region provided with a pixel circuit. The pixel circuit includes at least one pixel transistor having a first electrode and a second electrode which are coupled to an active layer of the at least one pixel transistor through connection vias, respectively. The driving region is further provided with a first plate of a storage capacitor, the first plate is insulated from and overlapped with the first electrode and the second electrode of the pixel transistor in a direction perpendicular to the display substrate, and the first plate is provided with openings at positions corresponding to at least some of the connection vias.

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

Abstract: Provided is a display panel, including: a backplane; a first electrode and an auxiliary layer, disposed on a same side of the backplane, wherein a distance between a surface of the first electrode distal from the backplane and the backplane is shorter than or equal to a distance between a surface of the auxiliary layer distal from the backplane and the backplane; a pixel defining layer, at least partially disposed on a side of the auxiliary layer distal from the backplane; a second electrode, disposed on a side of the pixel defining layer distal from the backplane; and an auxiliary electrode, disposed on a side of the second electrode distal from the backplane, wherein an orthographic projection of the auxiliary electrode onto the backplane is located within an orthographic projection of the pixel defining layer onto the backplane.

Abstract: A metal oxide film including a crystal part and having highly stable physical properties is provided. The size of the crystal part is less than or equal to 10 nm, which allows the observation of circumferentially arranged spots in a nanobeam electron diffraction pattern of the cross section of the metal oxide film when the measurement area is greater than or equal to 5 nm? and less than or equal to 10 nm?.

Abstract: A display device includes a substrate, an emission layer provided on the substrate and a reflective layer provided on the emission layer. The emission layer has an emission region that emits light, the reflective layer has a first opening, the emission region overlaps the first opening in a direction perpendicular to an upper surface of the substrate and a first width of the emission region is smaller than a second width of the first opening.

Abstract: An organic light-emitting diode (OLED) display panel and an OLED display device are provided. In a second display area of the OLED display panel, a light transmission enhancement layer is disposed on a side of a light-emitting layer away from a driving circuit layer. By disposing the light transmission enhancement layer on the light-emitting layer, a resonant microcavity of the OLED display panel can be changed by the light transmission enhancement layer. Therefore, light transmittance of the OLED display panel is increased, thereby improving an imaging effect of an under-screen camera.

Abstract: A display device include a light-emitting panel having first to third light-emitting diodes and a color panel on the light-emitting panel. The color panel includes first to third color areas that transmit light of different colors and a light-blocking area. The light-emitting panel includes two first power lines spaced apart from each other, connecting electrodes electrically connected to the two first power lines, and an insulating layer on the connecting electrodes, the insulating layer having openings each of which exposing a respective one of the connecting electrodes. The first light-emitting diode, the second light-emitting diode, and the third light-emitting diode are spaced apart from one another between the two first power lines. The second color area is smaller than each of the first color area and the third color area in size. The second color area is disposed between the first color area and the third color area.

Abstract: A light-emitting device includes: a first electrode and a second electrode that are superposed; an emitting layer (EML) located between the first electrode and the second electrode; and an electron transport layer (ETL) located between the first electrode and the EML. The ETL includes a first surface proximate to the EML and a second surface proximate to the first electrode, oxygen vacancies is formed in the ETL, and a concentration of oxygen vacancies in the ETL gradually increases from the second surface to the first surface.

Abstract: A display device includes: a display panel including a first pixel, a second pixel adjacent to one side of the first pixel, and a third pixel adjacent to the other side of the first pixel; a first scan driver supplying a first signal to the first to third pixels through a first scan line; a second scan driver supplying a second scan signal to the second and third pixels through a second scan line when a first time elapses after the supply of the first scan signal is started; a data driver supplying a data voltage to a plurality of output lines; and a data divider selectively supplying the data voltage to data lines respectively coupled to the first to third pixels. Each of the second and third pixels includes a switching transistor controlled by the second scan signal.

Abstract: The present invention includes novel polycyclic alkyl amino carbenes as ligands for metal complexes. These compounds may be useful as emitter materials for phosphorescent electroluminescent devices.

Abstract: A novel organic compound is provided. A novel organic compound having a carrier-transport property is provided. A novel organic compound having a hole-transport property is provided. An organic compound having a low refractive index is provided. An organic compound having a low refractive index and a carrier-transport property is provided. An organic compound having a low refractive index and a hole-transport property is provided. An organic compound represented by the following general formula (G1) is provided.

Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.

Abstract: Provided are a phosphorescent organometallic complex and a use thereof. The metal complex has a ligand with a structure represented by Formula 1 and may be used as a light-emitting material in an electroluminescent device. These novel metal complexes can not only maintain low voltage and improve device efficiency in electroluminescent devices but also greatly reduce the half-peak width of light emitted by these devices so as to greatly improve color saturation of the light emitted by these devices, thereby providing better device performance. Further provided are an electroluminescent device and a compound formulation.

Abstract: An organic light emitting display device and a method for manufacturing the same are disclosed. The organic light emitting display device includes a substrate divided into an emission area and a non-emission area, an overcoat layer disposed on the substrate and including a plurality of micro lenses in the emission area, a first electrode disposed on the overcoat layer and disposed in the emission area, an organic emission layer disposed on the substrate and having at least one layer which is flatly formed in the emission area, and a second electrode disposed on the organic emission layer.

Abstract: Embodiments of the present disclosure provide a gamma standard voltage generating circuit, a gamma driving voltage generating circuit and a display device. The gamma standard voltage generating circuit includes: a constant voltage element for outputting a constant voltage; a following voltage element coupled to a driving voltage terminal, for outputting a following voltage changing with a driving voltage of the driving voltage terminal; a selecting element electrically coupled to the constant voltage element and the following voltage element, for outputting the following voltage 10 or the constant voltage as an output voltage; a comparison element electrically coupled to the selecting element, for controlling the selecting element to output the following voltage when the output voltage meets a preset standard, and controlling the selecting element to output the constant voltage when the output voltage does not meet the preset standard; the constant voltage does not meet the preset standard.

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

Abstract: A compound of Formula I wherein Y is selected from the group consisting of NAr, O, S, and Se; Ar is an optionally substituted aryl or optionally substituted heteroaryl; and Z1 to Z8 are independently selected from C or N, wherein at least one of Z2 or Z3 is C, and at least one of Z6 or Z7 is C. R is selected from the group consisting of deuterium, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof; or optionally R can join with Ar to from a ring; and with the provisios that R is not N-methyl-benzimidazole, and the compound is not compound A.

Abstract: An organic light emitting device comprising an anode, a hole transport layer, a light emitting layer including a host and a dopant, and a cathode, where a difference between a dipole moment value of a compound included in the hole transport layer and a dipole moment value of the host is 1.0 to 2.0, and the organic light emitting device having low driving voltage, high emission efficiency and long lifetime characteristics.

Abstract: A display panel is provided. The display panel includes a display region and a non-display region surrounding a periphery of the display region. The non-display region includes a multiple corner regions and multiple linear regions. The display panel further includes a first substrate, a second substrate, a liquid crystal layer, and a bezel assembly. The bezel assembly includes multiple support members and multiple sealant. At least one of the multiple support members is disposed in the corner region and the sealant is disposed in the linear region. The support member and the sealant bonds the first substrate and the second substrate. Two opposite ends of the sealant are respectively connected with one of the support members in two corner regions, and the liquid crystal layer is sealed between the first substrate and the second substrate. A display device having the display panel is also provided.

Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel, and an electronic apparatus. The array substrate includes: a base substrate; a light emitting layer on the base substrate; and a first electrode on a side of the light emitting layer away from the base substrate. The array substrate includes a light emitting area and a non-light emitting area, the first electrode is in the light emitting area and the non-light emitting area, and a thickness of a portion of the first electrode in the light emitting area is less than a thickness of a portion of the first electrode in the non-light emitting area.

Abstract: According to the present invention, there is provided an organic electroluminescence element including at least an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence element being characterized in that: the hole injection layer contains an arylamine compound represented by the following general formula (1) and an electron acceptor. The organic EL element of the present invention has a high light emission efficiency and an excellent durability, as compared with the related art, while maintaining the existing low drive voltage.

Abstract: A novel light-emitting device is provided. Alternatively, a light-emitting device having a long driving lifetime at high temperature is provided. The light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a first layer, a second layer, a third layer, and a light-emitting layer in this order from the anode side. The first layer includes a first organic compound and a second organic compound. The second layer includes a third organic compound. The third layer includes a fourth organic compound. The light-emitting layer includes a fifth organic compound and an emission center substance. The first organic compound exhibits an electron-accepting property with respect to the second organic compound. A difference between HOMO levels of the fourth organic compound and the fifth organic compound is less than or equal to 0.24 eV.

Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.

Abstract: A display device, includes: a substrate; a first thin film transistor and a second thin film transistor disposed on the substrate; a via insulating layer disposed on the substrate, wherein the via insulating layer includes a first contact hole and a second contact hole, wherein the first contact hole exposes a portion of the first thin film transistor, and the second contact hole exposes a portion of the second thin film transistor; a first pixel structure disposed on the via insulating layer, wherein the first pixel structure overlaps the first thin film transistor, and includes a first lower electrode; and a second pixel structure spaced apart from the first pixel structure, wherein the second pixel structure overlaps the second thin film transistor, and includes a second lower electrode having a shape different from a shape of the first lower electrode.

Abstract: An organic light emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B:

Abstract: A first side surface (312) is positioned at a light emitting region (142) side. The first side surface (312) is inclined toward the light emitting region (142) with distance from the first surface (102) of the substrate (100). A second side surface (314) is positioned opposite to the first side surface (312). The second side surface (314) is inclined away from the light emitting region (142) with distance from the first surface (102) of the substrate (100). A first upper surface (316) is positioned between the first side surface (312) and the second side surface (314), and is substantially parallel to the first surface (102) of the substrate (100).

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and including an emission layer; and at least one of heterocyclic compounds represented by Formulae 1-1 to 1-3, as defined herein.

Abstract: An organic light emitting diode display may include a substrate, a pixel defining layer on the substrate, being configured to define a pixel area, a pixel electrode on the pixel area, a light emitting layer on the pixel electrode, a common electrode on the light emitting layer, and an auxiliary wire spaced apart from the pixel electrode and disposed on the same layer as the pixel electrode. The pixel defining layer may include a pixel defining part configured to define a pixel area and a spacer protruding from the pixel defining part. The auxiliary wire may not overlap the spacer.