Abstract: A blue fluorescent organic material is provided, which has the structure as formula (I). In the formula (I), R is C1-C20 alkyl, C1-C20 alkoxyl or C1-C20 aryl having a substituent; Ar1 is H, phenyl, polycyclic aromatic group, substituted phenyl or substituted fused ring aryl; Ar2 is a substituent as given in formula (a) or formula (b). The emission efficiency, stability, and color purity of the blue light can be improved with the blue fluorescent organic material of the present invention, so as to achieve the display effect of a full natural color.

Abstract: A blue fluorescent organic material is provided, which has the structure as formula (I). In the formula (I), R is C1-C20 alkyl, C1-C20 alkoxyl or C1-C20 aryl having a substituent; Ar1 is H, phenyl, polycyclic aromatic group, substituted phenyl or substituted fused ring aryl; Ar2 is a substituent as given in formula (a) or formula (b). The emission efficiency, stability, and color purity of the blue light can be improved with the blue fluorescent organic material of the present invention, so as to achieve the display effect of a full natural color.

Abstract: The present disclosure relates to an evaporation device, including an evaporation device body, within which a plurality of thermal conductors that are contacted with one another for thermal conduction is disposed, wherein several holes are provided in each of the thermal conductors, and coating material for evaporation are provided within the holes of the thermal conductors, the spaces formed between the thermal conductors and the evaporation device body, and/or the spaces formed among the thermal conductors. With this evaporation device, better heat transfer can be achieved so that the overall heating temperature can be reduced, thus minimizing decomposition of organic material.

Abstract: The present invention provides an ultraviolet (UV) organic light-emitting apparatus. The UV organic light-emitting apparatus comprises a UV organic light-emitting device and a passivation layer. The UV organic light-emitting device comprises a first electrode, a UV organic material layer and a second electrode formed in sequence. The passivation layer is disposed at a light emitting side of the UV organic light-emitting device, wherein the passivation layer is made of a transparent material showing a weak absorption in a UV spectral region. The present invention can mitigate the problems existing in the conventional UV lamp.

Abstract: The present invention provides a light-emitting element, display panel and manufacturing method thereof. The light-emitting element includes a cathode and an anode, disposed oppositely; and a light-emitting layer, disposed between the cathode and the anode; the light-emitting layer comprising a mixture of organic material and blue quantum dot material. As such, the present invention improves the stability and luminance of the light-emitting element, and the light-emitting element has the advantages of ultra-thin, transparent and easy to bend.

Abstract: The present invention provides a light-emitting element, display panel and manufacturing method thereof. The light-emitting element includes a cathode and an anode, disposed oppositely; and a light-emitting layer, disposed between the cathode and the anode; the light-emitting layer comprising a mixture of organic material and white-light emitting quantum dot material. As such, the present invention improves the stability and luminance of the light-emitting element, and the light-emitting element has the advantages of ultra-thin, transparent and easy to bend.

Abstract: The present invention provides a diode and display panel, which includes: cathode and anode; wherein, cathode and anode being disposed relatively. Electron transport layer is disposed between cathode and anode. Electron transport layer is doped with alkali metal compounds, which is a material used to form electron injection layers. Alkali metal compounds comprise at least one of the materials from lithium metaborate, potassium silicate, lithium tetra (8-hydroxyquinolinato) boron, and alkali metal acetate. The present invention improves the light-emitting performance, lowers operating voltage, simplifies the manufacturing process, and increases the yield rate; as a result, to reduce the cost of diodes.

Abstract: The present invention discloses a display device. The display device includes an OLED display and a voltage converter. The OLED display used for displaying images comprises at least one pixel comprising red, green and blue sub-pixels and arranges an OPV cell used for converting solar energy into electrical energy. The voltage converter is used for converting voltage of the electrical energy. The present invention also discloses a method that the display device converts solar energy into electrical energy.

Abstract: A picture element for an electro-luminescent display comprises a substrate, a first intermediate structure disposed above a first area of the substrate, at least one first color type electro-luminescent device disposed above the first intermediate structure, a second intermediate structure disposed above a second area of the substrate, and at least one second color type electro-luminescent device disposed above the second intermediate structure. The second intermediate structure is different from the first intermediate structure.

Abstract: A picture element for an electro-luminescent display comprises a substrate, a first intermediate structure disposed above a first area of the substrate, at least one first color type electro-luminescent device disposed above the first intermediate structure, a second intermediate structure disposed above a second area of the substrate, and at least one second color type electro-luminescent device disposed above the second intermediate structure. The second intermediate structure is different from the first intermediate structure.

Abstract: A picture element for an electro-luminescent display comprises a substrate, a first intermediate structure disposed above a first area of the substrate, at least one first color type electro-luminescent device disposed above the first intermediate structure, a second intermediate structure disposed above a second area of the substrate, and at least one second color type electro-luminescent device disposed above the second intermediate structure. The second intermediate structure is different from the first intermediate structure.

Abstract: An OLED including an anode layer, a first mixing layer over the anode layer, a mixing layer on the first mixing layer, a second mixing layer on the mixing layer, and a cathode layer over the second mixing layer is provided. The mixing layer is a mixture of an organic light emitting material, a hole and an electron transport material, and a volume ratio of the hole transport material to the electron transport material thereof is X %. The first and second mixing layers are both mixtures of the hole and electron transport materials. A volume ratio of the hole transport material to electron transport material in the first mixing layer decreases gradually from 99% to X % starting from the surface adhered to the anode layer, and that of the second mixing layer increases gradually from X % to 99% starting from the surface adhered to the mixing layer.

Abstract: A picture element for an electro-luminescent display comprises a substrate, a first intermediate structure disposed above a first area of the substrate, at least one first color type electro-luminescent device disposed above the first intermediate structure, a second intermediate structure disposed above a second area of the substrate, and at least one second color type electro-luminescent device disposed above the second intermediate structure. The second intermediate structure is different from the first intermediate structure.

Abstract: An OLED including an anode layer, a first mixing layer over the anode layer, a mixing layer on the first mixing layer, a second mixing layer on the mixing layer, and a cathode layer over the second mixing layer is provided. The mixing layer is a mixture of an organic light emitting material, a hole and an electron transport material, and a volume ratio of the hole transport material to the electron transport material thereof is X %. The first and second mixing layers are both mixtures of the hole and electron transport materials. A volume ratio of the hole transport material to electron transport material in the first mixing layer decreases gradually from 99% to X % starting from the surface adhered to the anode layer, and that of the second mixing layer increases gradually from X % to 99% starting from the surface adhered to the mixing layer. The OLED of the invention can solve charge accumulation issue at the hetero-junction interface and increase lifetime of a device using thereof.

Abstract: An organic electroluminescent device, having a cathode, an indium-tin-oxide anode, an emitting layer, a hole transport layer, an electron transport layer, a hole injecting layer and a intermediate layer. The emitting layer is located between the cathode and the indium-tin-oxide anode. The hole transport layer is located between the emitting layer and the indium-tin-oxide anode, the electron transport layer is located between the emitting layer and the cathode, the hole injecting layer is located between the hole transport layer and the indium-tin-oxide anode, and the intermediate layer is located between the hole injecting layer and the hole transport layer.

Abstract: An organic electroluminescent device, having a cathode, an indium-tin-oxide anode, an emitting layer, a hole transport layer, an electron transport layer, a hole injecting layer and a intermediate layer. The emitting layer is located between the cathode and the indium-tin-oxide anode. The hole transport layer is located between the emitting layer and the indium-tin-oxide anode, the electron transport layer is located between the emitting layer and the cathode, the hole injecting layer is located between the hole transport layer and the indium-tin-oxide anode, and the intermediate layer is located between the hole injecting layer and the hole transport layer.

Abstract: An organic EL device includes an anode, a cathode and an EL element arranged between the two. The EL element includes a substance represented by the following chemical formula: in which m, n=1-3; the substitute R is selected from a group consisting of t-butyl, phenyl, methylphenyl, naphehyl and heterocyclic compound. The EL element is highly efficient, lower-voltage operative and easy to be synthesized.

Abstract: An organic EL device includes an anode, a cathode and an EL element arranged between the two.