717 results about "Charge generation" patented technology

The invention relates to a light-emitting device, a display panel and a display device. The light-emitting device comprises an anode, a cathode, a first light-emitting unit and a second light-emitting unit, wherein the first light-emitting unit and the second light-emitting unit are located between the anode and the cathode; the light-emitting device further comprises at least one charge generation layer, the charge generation layer is located between the first light-emitting unit and the second light-emitting unit, the charge generation layer comprises a P-type charge generation sub-layer and an N-type charge generation sub-layer, and the P-type charge generation sub-layer is located on the side closer to the cathode than the N-type charge generation sub-layer. Wherein the P-type charge generation sub-layer comprises a hole transport material, and a first hole injection material and a second hole injection material which are doped in the hole transport material, and the absolute value of the lowest unoccupied molecular orbital energy level of the second hole injection material is smaller than the absolute value of the lowest unoccupied molecular orbital energy level of the first hole injection material. The driving voltage of the laminated light-emitting device can be reduced, the light-emitting efficiency is improved, transverse electric leakage is improved, and the stability of the device is improved.

The present disclosure provides a display substrate and a display device, which belong to the field of display technology and are intended to improve the light-emitting performance of the display substrate. The display substrate comprises: a substrate, on which a plurality of sub-pixels are arranged, and the sub-pixels comprise: a first electrode, a first light-emitting layer, a charge generation layer, a second light-emitting layer, an electron transport layer, and a second electrode; a first distance exists between a surface of the second light-emitting layer close to the charge generation layer and a surface of the electron transport layer close to the second electrode, a second distance exists between a surface of the first electrode close to the first light-emitting layer and a surface of the first light-emitting layer facing away from the charge generation layer, and a third distance exists between a surface of the first light-emitting layer facing away from the charge generation layer and a surface of the second light-emitting layer close to the charge generation layer; an absolute value of a difference between the third distance and the first distance and a ratio between an absolute value of a difference between the third distance and the second distance are within a first preset range.

A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers each between two neighboring emission units from among the m emission units, wherein m is an integer of 2 or more, at least one of the m emission units includes an inorganic mixed layer between the first electrode and the emission layer, and the inorganic mixed layer includes an inorganic insulating material and an inorganic semiconductor material.

The application relates to the technical field of display panels, and discloses a display panel, a display screen and electronic equipment. The CGL of the display panel comprises N-CGL, i-CGL and P-CGL which are stacked in sequence. The LUMO energy level of the organic material corresponding to the i-CGL is less than or equal to -3.5 eV, and the work function of the inorganic material corresponding to the i-CGL is greater than or equal to 3.5 eV. In particular, the Fermi energy level of the i-CGL is lower than that of the P-CGL host material, and the thickness of the i-CGL can be any value less than or equal to 15 nm (especially less than 5 nm). In this case, the charge generation capability of the N-CGL, the i-CGL and the P-CGL in the direction parallel to the thickness of the CGL is improved, the sheet resistance in the direction perpendicular to the thickness of the CGL is greater than 1 GΩ / Dia, the sub-pixel can realize high-efficiency and low-power-consumption light emission, the voltage value obtained by voltage division from the driving voltage of another sub-pixel is small, and the crosstalk between the sub-pixels is reduced or even eliminated.

Discussed is a display panel including a substrate, a circuit layer disposed on the substrate, and a light emitting element layer disposed on the circuit layer and electrically connected to a pixel circuit of the circuit layer. The light emitting element layer includes a first electrode and a second electrode electrically connected to the pixel circuit, a first light emitting layer, a charge generating layer, and a second light emitting layer stacked on the first electrode, and a third electrode disposed on the second light emitting layer. The second electrode can supply a voltage to the charge generation layer that is different from those supplied to the first electrode and the third electrode.

The embodiment of the invention belongs to the technical field of display, and relates to ink and application thereof. The ink comprises a conductive polymer containing a cross-linking group, an organic matter containing a thiol group and a solvent, and the thiol group is configured to be capable of performing a cross-linking reaction with the cross-linking group. The thin film prepared by adopting the ink is compact, and can inhibit the damage of a hole function layer to an electronic function layer, thereby obtaining better charge generation and separation capability and better device performance.

The invention belongs to the technical field of photoelectric materials, and relates to a nitrogen-containing heterocyclic compound and an organic electroluminescent element containing the nitrogen-containing heterocyclic compound. The compound has a structure represented by formula (1): wherein L is selected from a single bond, a substituted or unsubstituted C6-C60 arylene group, and a substituted or unsubstituted C3-C60 heteroarylene group, o is an integer from 1 to 3, and when o is 2 or greater, L are the same as or different from each other. The organic electroluminescent element prepared from the compound has higher current efficiency and longer service life, and can be used as an N-type charge generation layer material for preparing the organic electroluminescent element.

The invention relates to a charging method of an electrostatic collection board, which comprises the following steps that the electrostatic collection board comprises an inner layer board and an outer layer board, the inner layer board and the outer layer board are both metal plates, the inner layer board and the outer layer board form a capacitor, the outer layer board is electrically connected with a relay, the relay is respectively connected with a + / -1000V charging circuit, the outer layer board is provided with a conductive carrier, and the conductive carrier is connected with the outer layer board. The conductive carrier is used for collecting electrostatic charges; the inner layer plate is electrically connected with the active detection circuit; the outer layer plate is charged through the charging circuit, and the on-off of a circuit between the charging circuit and the outer layer plate is switched through the relay; meanwhile, induced charges are generated on the inner layer plate, induced voltage is generated, and the induced voltage is actual voltage. According to the scheme that the outer layer plate of the electrostatic collection plate is charged and the active detection circuit is connected to the inner layer plate, the charging voltage on the outer layer plate can be more accurate, the detection result of the decay time can be more accurate, and the collected static electricity can be used for charging equipment or providing electrostatic protection.

The invention belongs to the technical field of luminescent materials, and discloses a heterocyclic compound and an organic electroluminescent device. The structural general formula of the heterocyclic compound is as shown in a formula (1): # imgabs0 # formula (1). The heterocyclic compound provided by the invention has the advantages of low driving voltage, high luminous efficiency, long device life and the like, and can be used as an electron transport material, a hole blocking layer material and an N-type charge generation layer material in OLED luminescent devices.

A light emitting display apparatus in which a charge generating layer is separated between pixels, and a method using the same are discussed. The light emitting display apparatus can include a first anode and a second anode provided on a substrate, a bank provided on the first anode and the second anode and including at least one opening portion at which the first anode and the second anode are exposed, a first light emitting unit including a first main light emitting unit provided on the first anode, a first charge generating layer provided in an upper surface of the first main light emitting unit and in an upper surface of a bank exposed between the first anode and the second anode, an additional light emitting layer covering the first charge generating layer, and a cathode covering the additional light emitting layer.

The invention discloses a shipborne portable wave power generation component which comprises a sea-snake-shaped floating shell, a closed cabin is arranged in the sea-snake-shaped floating shell, an air gap is formed between the closed cabin and the sea-snake-shaped floating shell, and the closed cabin is connected with the bottom of the sea-snake-shaped floating shell through an interference spring. A friction nanometer generator is installed in a closed cabin, a main body is of a stacked structure and sequentially comprises a friction film, an induction electrode layer and a power generation electrode substrate from top to bottom, a polytetrafluoroethylene ball and a limiting cover are arranged on the upper surface of the main body, and elastic films are arranged at the two ends of the limiting cover; when the power generation component floats under the action of waves, the polytetrafluoroethylene balls roll on the friction film to generate friction, so that charges are transferred, inductive charges are generated on the inductive electrode layer, and the inductive charges are led out through an external circuit to generate alternating current. The invention further discloses application of the power generation component. The device is good in durability, high in output power, simple in structure, low in manufacturing cost and convenient to carry.

An organic light-emitting element includes a first element having, on a substrate, a first lower electrode, a first light-emitting layer, a charge generation layer, a second light-emitting layer, and an upper electrode in this order; a second element having, on the substrate, a second lower electrode, a third light-emitting layer, the charge generation layer, a fourth light-emitting layer, and the upper electrode in this order;and an insulating layer covering one end of the first lower electrode and one end of the second lower electrode, wherein the first element has one or more organic layers between the first lower electrode and the charge generation layer, the insulating layer has a notch between the first lower electrode and the second lower electrode, and one end of at least one organic layer of the organic layers is disposed between the notch and the first element;

The invention discloses a method for predicting electrostatic potential in a storage tank in oil collection operation of a storage tank, and the method comprises the following steps: initializing and constructing a knowledge respectively establishing a multipath leakage equivalent circuit model library for a fixed roof tank and an inner floating roof tank, the initial fitting impulse current calculation coefficient range, the optimization constraint condition and the conductivity-temperature relation function library are stored; real-time prediction and monitoring: acquiring multi-dimensional data in real time, preprocessing, dynamically calibrating charge generation items, and calculating charge balance by combining a multi-path leakage model and capacitance correction; meanwhile, a high-frequency flow meter is used for detecting the sudden change of the flow speed to trigger an LSTM transient compensation model to predict the transient electrostatic potential variable quantity, and the transient electrostatic potential variable quantity is superposed on a physical model predicted value result to obtain a final electrostatic potential predicted value; dynamic risk assessment and early warning: triggering different levels of early warning according to an assessment result; and deep analysis of abnormal working conditions: when the abnormal working conditions occur, automatically starting local CFD micro-simulation driven by edge calculation to verify local charge aggregation and electric field distortion conditions.

The invention discloses a local electric field measuring method and device based on a field grinding type high-voltage direct-current electric field measuring instrument, which can reduce the size of the instrument, reduce the distortion interference of the instrument to an electric field, accurately measure the intensity of a local direct-current electric field in a small area range, and accurately measure the local direct-current electric field according to the actual size of the measured area range. The specific number of shielding sensors is dynamically adjusted, so that accurate measurement of a specific target area is accurately achieved, when the shielding sensors are used for measuring a direct-current electric field, due to the fact that a metal plug board has the physical characteristic of shielding charges, when the metal plug board shields the sensors, generation of inductive charges is reduced, and the electric field cannot be effectively measured; the sensor which is not shielded by the metal plugboard accurately measures and records the charge induced by the surface of the sensor in detail according to the field grinding principle to obtain a measured value, finally, the calibration coefficient is combined, accurate measurement of the local electric field based on the field grinding type high-voltage direct-current electric field measuring instrument sold in the market is achieved, and the method can be widely applied to the field of high-voltage direct-current electric field measurement.

A display apparatus including a pixel electrode disposed on a substrate, an opposite electrode disposed to face the pixel electrode, a first emission layer and a second emission layer disposed on the first emission layer and overlapping each other between the pixel electrode and the opposite electrode, and a charge generation layer disposed between the first emission layer and the second emission layer, in which the charge generation layer includes an n-type charge generation layer, a p-type charge generation layer, and a metal interlayer disposed between the n-type charge generation layer and the p-type charge generation layer, and the metal interlayer includes metal having a work function of about −6.0 eV to about −3.5 eV.

The invention discloses a display panel, a display module and a display device, the display panel comprises a substrate and a multi-color light-emitting device arranged on the substrate, and the light-emitting device comprises a first electrode layer, a first stacking layer, a charge generation layer, a second stacking layer and a second electrode layer; the second stacking layer comprises a red light emitting layer and a green light emitting layer which are adjacent to each other, and the green light emitting layer is located on the side, close to the second electrode layer, of the red light emitting layer; wherein a first distance is formed between one side, close to the green light emitting layer, of the red light emitting layer and one side, close to the electron charge generating layer, of the hole charge generating layer, a second distance is formed between one side, close to the red light emitting layer, of the green light emitting layer and one side, close to the green light emitting layer, of the second electrode layer, and the first distance is smaller than the second distance; the highest occupied molecular orbital energy level of the preparation material of the second hole blocking layer is 6.0 eV to 6.3 eV, and the lowest unoccupied molecular orbital energy level of the preparation material of the second hole blocking layer is 2.4 eV to 2.8 eV.

The present disclosure relates to an organic compound having the following structure of Formula 1, an organic light emitting diode (OLED) where an electron transport layer and / or a charge generation layer includes the organic compound and an organic light emitting device including the organic light emitting diode. While only the specific moiety in the organic compound is deuterated, the organic compound can implement excellent luminous efficiency and luminous lifespan as a compound where all the carbon atoms are deuterated. The OLED can maximize its luminous efficiency and luminous lifespan with minimizing utilization of expensive deuterium.

Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they may have excellent efficiency or lifespan.

A display apparatus including a light-emitting device is provided. The light-emitting device may be disposed on an emission area. A light-emitting unit of the light-emitting device may include a charge generation layer between a first emission stack and a second emission stack. A non-emission area may be disposed outside the emission area. A bank insulating layer may be disposed on the non-emission area. The charge generation layer may extend onto the bank insulating layer. A first region of the charge generation layer overlapping with the bank insulating layer may have a resistance greater than a second region of the charge generation layer overlapping with the emission area. Thus, in the display apparatus, light leakage due to leakage current may be prevented.

Disclosed in the present invention are a bionic electrothermal coupling composite material based on a pyroelectric effect, a medical kit and a use. The composite material subjected to corona poling treatment of the present invention has a surface potential of about 80 mv, the composite material can generate a pyroelectric effect by loading near-infrared light in vitro, and as can be seen from a diagram showing the variation of pyroelectric current with temperature, charge release occurs during temperature increase, thereby establishing correlation between electrical and thermal properties of a material, and realizing electrothermal effect-driven bionic coupling of the material. The synergistic effect of the piezoelectric properties and the pyroelectric effect is achieved by coupling, achieving the effects of promoting macrophage polarization and promoting tissue repair or healing. In exemplary embodiments, the charge generation capability of a material can be improved by controlling near-infrared light in vitro in a non-invasive manner, on-demand power supply based on a near-infrared light external field is realized, and the problem of insufficient long-term performance of a charged material after implanted into the body is solved.

The invention relates to a light-emitting device and a manufacturing method thereof. The light-emitting device comprises a first electrode layer, a first light-emitting layer, a buffer layer, a connecting layer, a second light-emitting layer and a second electrode layer which are sequentially stacked, wherein the connecting layer is arranged on the side, away from the first light-emitting layer, of the buffer layer and comprises a P-type charge generation layer and an N-type charge generation layer, the N-type charge generation layer is located between the P-type charge generation layer and the buffer layer, and the N-type charge generation layer comprises a first N-type electron transport material; the buffer layer comprises at least one sub-buffer layer, and the sub-buffer layer comprises at least one of a hole blocking material, an electron transport material and a second N-type electron transport material. According to the invention, the structure of the Tandem OLED is simplified, the process is simplified, the production cost can be effectively reduced, and the performance of the existing Tandem OLED is maintained or further improved.

The invention relates to a light-emitting device, a display panel, a display device and terminal equipment, and the light-emitting device comprises an anode which is used for injecting a hole; the cathode is used for injecting electrons; the functional layer is located between the anode and the cathode and at least comprises a first light-emitting unit, a connecting unit and a second light-emitting unit which are sequentially arranged in a stacked mode in the direction from the anode to the cathode. The first light-emitting unit comprises a hole injection layer, a first hole transport layer, a first light-emitting layer and a first electron transport layer which are sequentially arranged along the direction from the anode to the cathode; the connection unit comprises a first charge generation layer, a connection layer and a second charge generation layer which are sequentially arranged along the direction from the anode to the cathode; the connecting layer is used for hole and / or electron transmission; the second light-emitting unit comprises a second electron transport layer, a second light-emitting layer and a second hole transport layer which are sequentially arranged in the direction from the cathode to the anode. A hole blocking layer is reduced, the level potential barrier of each layer is reduced, and the driving voltage is reduced.

An organic electric element, a display panel, and a display device including the organic electric element are provided. The organic electric element includes a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they may have excellent efficiency or lifespan.

The present disclosure relates to a tandem-type organic light-emitting device comprising a plurality of light-emitting layers and, more particularly, to a tandem-type organic light-emitting device that exhibits low driving voltage, high efficiency, and long lifetime through a combination of an N-type charge generation layer and adjacent layers thereof.

The present application relates to the field of organic electroluminescence devices, and specifically provides a top emission OLED and display panel. The top emission OLED comprises: an anode; a first light emitting unit comprising a first organic light emitting layer; a charge generation layer; a second light emitting unit comprising a second organic light emitting layer; a cathode, the first light emitting unit further comprises an anti-reflection structure between the anode and the first organic light emitting layer, the anti-reflection structure comprises a first sub-layer and a second sub-layer, wherein the first refractive index threshold <= (n2-n1) <= the second refractive index threshold and n1 >= the third refractive index threshold, and the first thickness threshold < t2 <= lambda / (2*n2), n2 is the refractive index of the second sub-layer, n1 is the refractive index of the first sub-layer, t2 is the thickness of the second sub-layer, and lambda is the wavelength of the light emitted by the OLED. The present application can effectively improve the problem of viewing angle decay and improve the efficiency of the OLED device.

One aspect relates to a semiconductor device including a lower electrode, an insulating layer, an organic layer, and an upper electrode disposed in that order. The organic layer has an electric-charge generating layer between two light-emitting layers. In a cross-section, an upper surface of the insulating layer has a groove including a bottom portion, a first steep slope portion and a first gentle slope portion disposed between the bottom portion and the first steep slope portion. A height of the first steep slope portion is less than a length from an upper surface of the lower electrode to a lower surface of the electric-charge generating layer in a region in which the lower electrode is in contact with the organic layer.

The present disclosure provides a display panel and a method for manufacturing the display panel. The method for manufacturing the display panel may include: forming a first electrode on a driving backplane; forming a first light-emitting layer by inkjet printing on a side of the first electrode away from the driving backplane; vapor-depositing a charge generation layer on a side of the first light-emitting layer away from the driving backplane; vapor-depositing a second light-emitting layer on a side of the charge generation layer away from the driving backplane; and forming a second electrode on a side of the second light-emitting layer away from the driving backplane. The present disclosure can improve the light-emitting brightness and life of the display panel.

A device in a chamber is provided. The device comprises at least one die. The at least one die comprise a first voltage generator, a dielectric layer and a first voltage regulator circuit. The first voltage generator is charged to have a first induced voltage by induced charges generated in response to a first voltage of a first electrode of a chuck in the chamber. The dielectric layer surrounds the first voltage generator to isolate the first voltage generator from the first electrode. The first voltage regulator circuit is coupled to the first voltage generator to receive the first induced voltage and generates a first power supply voltage according to the first induced voltage for a first circuit in the device.