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218 results about "Electronic instruments" patented technology

Face recognition method and system suitable for outdoor electronic instrument

The invention relates to the technical field of face recognition, and discloses a face recognition method and system suitable for an outdoor electronic instrument to solve the problem of low recognition precision under complex illumination, posture change and shielding conditions in the prior art, and the method comprises the steps: S1, collecting image data, and carrying out the preprocessing; s2, performing face region detection and face key point positioning on the illumination enhanced image; s3, performing affine transformation based on the face detection result set to perform face alignment; s4, extracting a face feature vector based on a ResNet100 structure; s5, performing attitude-guided feature reconstruction processing on the face feature vector to obtain an attitude-enhanced face feature vector; s6, performing feature normalization and identity classification on the posture-enhanced face feature vector, and outputting a face recognition result; and S7, outputting a final identity recognition result and confidence. According to the method, an efficient and scientific optimization scheme can be provided in outdoor face recognition, and remarkable technical values and economic benefits are brought to practical application.
Owner:LIAOCHENG UNIV HIGH TECH IND CO LTD

External member, external member molding method, and electronic instrument

A rear panel, which is an external member, includes a frame portion including multiple sound radiation holes including a first sound radiation hole, a second sound radiation hole, and a third sound radiation hole. A first sloping portion is disposed within an area of the first sound radiation hole and is inclined with respect to a thickness direction of the frame portion towards a first direction non-parallel to the thickness direction, and a second sloping portion is disposed within an area of the second sound radiation hole and is inclined with respect to the thickness direction of the frame portion towards a second direction different from the first direction and non-parallel to the thickness direction, and the third sound radiation hole includes a surface parallel to the thickness direction of the frame portion.
Owner:CASIO COMPUTER CO LTD

Cooling apparatus

A cooling apparatus (100) cools a heat-generating instrument, such as an electronic instrument (2), installed in an installation apparatus. The cooling apparatus (100) includes a refrigerant flow path configured circularly by sequentially connecting a pump (1) that circulates a refrigerant in a liquid state, a cooler (3) that cools the heat-generating instrument with the refrigerant, and a radiator (5) that cools the refrigerant. The cooling apparatus (100) includes a discharge-side heat exchanger (7) provided in a flow path from the pump (1) to the cooler (3) in the refrigerant flow path, a suction-side heat exchanger (8) provided in a flow path from the radiator (5) to the pump (1) in the refrigerant flow path, and a Peltier device (9) that is provided between the discharge-side heat exchanger (7) and the suction-side heat exchanger (8), and transfers heat from the refrigerant flowing through the suction-side heat exchanger (8) to the refrigerant flowing through the discharge-side heat exchanger (7).
Owner:MITSUBISHI ELECTRIC CORP

Electronic musical instruments and systems

This disclosure relates generally to electronic musical instruments, systems, and methods. More particularly, this disclosure relates to electronic percussion instruments such as tom toms, snare drums, bass drums, cymbals, and hi-hats, and assemblies of instruments (e.g., percussion instruments), such as drum sets. Even more particularly, this disclosure relates to wireless electronic percussion instruments, and percussion instruments with interchangeable and / or removable components to change the instrument between a traditional percussion instrument (that relies on resonance and / or vibration to produce sound) and an electronic percussion instrument. The present disclosure also relates to electronic cymbal instruments, such as cymbal assemblies and hi-hat assemblies, that can be used in conjunction with a traditional acoustic metal cymbal.
Owner:DRUM WORKSHOP INC

Automated diagnostics of electronic instrumentation in a system for fracturing a well and associated methods

Systems and methods for identifying a status of components of hydraulic fracturing units including a prime mover and a hydraulic fracturing pump to pump fracturing fluid into a wellhead via a manifold may include a diagnostic control assembly. The diagnostic control assembly may include sensors associated with the hydraulic fracturing units or the manifold, and a supervisory control unit to determine whether the sensors are generating signals outside a calibration range, determine whether a fluid parameter associated with an auxiliary system of the hydraulic fracturing units is indicative of a fluid-related problem, determine whether lubrication associated with the prime mover, the hydraulic fracturing pump, or a transmission of the hydraulic fracturing units has a lubrication fluid temperature greater than a maximum lubrication temperature, or determine an extent to which a heat exchanger assembly associated with the hydraulic fracturing units is cooling fluid passing through the heat exchanger assembly.
Owner:BJ ENERGY SOLUTIONS LLC

Oral and maxillofacial temporomandibular joint rehabilitation training instrument

The present application relates to the field of health recovery training equipment, and particularly relates to a kind of oral cavity maxillofacial temporomandibular joint rehabilitation training instrument.The present application relates to a kind of oral cavity maxillofacial temporomandibular joint rehabilitation training instrument, mainly through fixed block, connecting belt, mounting block and upper dental brace to be set and fixed on the head of human body, rely on control motor to drive winding wheel to carry out different step or synchronous reciprocating action to lower pull rope, realize control lower dental brace to pull lower row of teeth to carry out left and right movement training and front and back movement training of temporomandibular joint, additionally can carry out occlusal movement training of temporomandibular joint, carry out a variety of training actions on temporomandibular joint by electronic instrument equipment according to the program formulated by therapist, on the basis of guaranteeing training effectiveness, reasonably control intensity to reduce the risk of joint injury, overcome the technical problem that intensity is not easy to control when manually pulling dental brace to control temporomandibular joint movement, easy to use excessive force to damage temporomandibular joint.
Owner:AFFILIATED HOSPITAL OF CHENGDU UNIV (CHENGDU INST OF TRAUMATOLOGY & ORTHOPEDICS)

Automobile electronic instrument panel pointer assembly device and method

The present invention relates to the technical field of automobile electronic instrument panel pointer assembly, and specifically to an automobile electronic instrument panel pointer assembly device and method thereof. The present invention comprises a machine base, wherein a positioning frame is fixedly connected to the upper end of the machine base, a positioning component for positioning the instrument panel is arranged inside the positioning frame, an assembly component for installing the pointer is fixedly connected to a position of the machine base located on one side of the positioning frame, the assembly component is driven and cooperated with the positioning component, the positioning component comprises an inner clamping component and an outer supporting component, and both the inner clamping component and the outer supporting component are rotatably connected in the positioning frame; the assembly component is used to lower the pointer to the instrument panel, the single-sided rack drives the driving component to rotate, and drives the inner clamping component and the outer supporting component to run simultaneously, so as to correct and position the instrument panel; when the assembly component is lowered to assemble the pointer of the instrument panel, the inner clamping component and the outer supporting component position and install the instrument panel, and the correction, positioning and assembly are performed simultaneously, so as to improve the assembly efficiency of the instrument panel pointer.
Owner:SHAOXING ZHEWEI AUTOMOTIVE ELECTRONICS CO LTD

Button assembly and device of electronic instrument

The utility model provides a button assembly of an electronic instrument. The button assembly comprises a housing, a button body, a silica gel button and a circuit board. The button body is assembled in the shell, and the silica gel button is assembled between the shell and the circuit board; the lower part of the silica gel button is provided with a circle of elastic wall, and the bottom is provided with a conductive particle layer. When the button body is pressed, the elastic wall deforms downwards, so that the conductive particle layer is in contact with the circuit board, and the circuit is conducted at the moment; when the button body is loosened, the elastic wall rebounds upwards to support the button body, so that the conductive particle layer is separated from the circuit board, and the circuit is disconnected at the moment. The button assembly does not fall off after being matched with the shell through the elastic stop block of the button body, the function of connection and disconnection with the circuit board is achieved through the elastic wall and the conductive particles of the silica gel button, additional welding devices are not needed, the assembly efficiency is high, and the machining cost is low.
Owner:JIANGSU LINYANG ENERGY CO LTD

Liquid phase mass spectrometer with correction liquid storage structure

The utility model provides a liquid phase mass spectrometer with a correction liquid storage structure, and belongs to the technical field of electronic instruments. The liquid phase mass spectrometer with the correction liquid storage structure comprises a liquid phase mass spectrometer body, the liquid phase mass spectrometer body comprises a drawing storage cabinet, a clamping supporting frame, an auxiliary supporting block, a clamping block, a containing disc and a pressing block, and a bottle containing used correction liquid is placed on the surface of the containing disc after being sealed; after the electrifying head is in contact with the connecting base, the electromagnet is electrified to generate magnetic force, and the electromagnet adsorbs the metal head, so that the clamping block drives the rubber buffer block to extrude the bottle body of the correction liquid, the bottle of the correction liquid is convenient to fix, and the correction liquid bottle with harmful substances is prevented from falling down and being broken after the liquid phase mass spectrometer vibrates or is impacted in the storage process.
Owner:HANGZHOU XIECE INFORMATION TECH CO LTD

An electronic device high-g impact characteristic test evaluation apparatus and method

PendingCN122108505AShock testingAccelerometerPulse shaper
The application relates to the field of impact dynamics tests, and particularly discloses an electronic instrument high-g-value impact characteristic test evaluation device and method. The device comprises an adapting section, a pulse shaper, and a base. The adapting section is coaxially connected with the tail of a high-speed gas gun launch tube to form a radially constrained loading channel and is movably connected with an impact mass. The pulse shaper is arranged in the adapting section. The base is slidably connected in the adapting section and located behind the pulse shaper, and is used for bearing the load transmitted by the impact mass when the impact mass hits the pulse shaper. The base has a front cavity and a rear cavity, and the rear cavity contains a measuring body. A diaphragm pressure gauge is arranged on the front end impact surface of the base, a base accelerometer is arranged in the front cavity, and a multi-parameter sensor is arranged in the measuring body. The device can accurately obtain an excitation load, realize distributed synchronous measurement of multiple physical quantities, has reliable signal line protection and kinetic energy absorption mechanism, and improves the accuracy and reliability of performance evaluation of electronic instruments and protective components of the electronic instruments under a high-g-value impact environment.
Owner:ZHONGBEI UNIV

Secured transfer instruments

ActiveUS12731390B2Digital imagingEngineering
Disclosed are systems and methods for generating electronic instruments that implement digital transfers. The systems convert instruments to an electronic format using a digital imaging source that outputs image data. The image data is processed to determine content elements and segments of the electronic instrument and to extract transfer data. Neural networks implement artificial intelligence and machine learning technology that is used to secure the transfer instrument and detect inconsistencies or errors in the data.
Owner:TRUIST BANK

Organic compound, light-emitting device including the same, and electronic apparatus and electronic equipment including the light-emitting device

A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and at least one organic compound represented by Formula 1 and satisfying at least one selected from among Condition 1 and Condition 2:Condition 1at least one selected from among R6 to R9 is a C6-C60 aryl group unsubstituted or substituted with at least one R10a or a C1-C60 heteroaryl group unsubstituted or substituted with at least one R10a Condition 2R8 and R9 are bonded to each other to form a C3-C60 carbocyclic group or a C1-C60 heterocyclic group.
Owner:SAMSUNG DISPLAY CO LTD

Blade and horizontal axis tidal energy generator

The application discloses a blade and a horizontal shaft tidal current power generator, wherein the blade comprises a main blade, a supporting piece, a spoiler and a damping piece; the supporting piece is provided with a first mounting end and a connecting shaft connected with the first mounting end; the first mounting end is connected with the main blade; the spoiler is sleeved on the outer periphery of the connecting shaft; one end of the damping piece is adapted to be connected with the main blade; the other end of the damping piece is adapted to be connected with the spoiler; when the load borne by the spoiler changes, the spoiler rotates around the connecting shaft to change the included angle between the spoiler and the main blade; the damping piece generates a corresponding damping force, which is used for limiting the spoiler; the spoiler can realize passive variable pitch according to different loads, and does not need to use flow measuring equipment and active variable pitch equipment, thereby avoiding the influence of errors and faults of the flow measuring equipment and the active variable pitch equipment; and since the spoiler adopts mechanical passive variable pitch, various electronic instruments are not needed to participate in variable pitch, and the influence of the marine environment on the blade is reduced.
Owner:CHINA THREE GORGES CORPORATION +2

Power supply (full-width 2U)

1. The name of this design product: Power Supply (Full Width 2U). 2. Purpose of this design product: This design product is used in the field of electronic instruments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.
Owner:DONGGUAN TONGMEN ELECTRONIC TECH CO LTD

Flow data acquisition controller

The utility model relates to the technical field of electronic instruments and meters, and discloses a flow data acquisition controller which comprises a control unit and an intermediate connection unit, and the control unit is connected with a tested device through the intermediate connection unit. The intermediate connection unit comprises a power supply module, an isolation module, a power supply conversion module and an analog quantity acquisition module; the power supply conversion module is connected with the analog quantity acquisition module; the power supply module is respectively connected with the isolation module, the power supply conversion module and the analog quantity acquisition module; the control unit is connected with the isolation module, the power supply conversion module and the analog quantity acquisition module. According to the utility model, the flow data of the gas industry can be collected, the adaptability is high, and the flow meter can be adapted to most common flow meters in the current market; the power supply and communication are isolated, so that the stability of the product is improved; when abnormal conditions occur, the pipeline can be cut off in time, and safety is improved.
Owner:SHANGHAI AEROSPACE ENERGY

Battery tester

1. The name of this design product: battery tester. 2. Purpose of this design product: an electronic instrument used to measure parameters such as voltage, current, internal resistance, and battery power. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
Owner:HANGZHOU JUNCE INSTR CO LTD

Electronic instrument, movable apparatus, distance calculation method, and storage medium

An electronic instrument includes a first distance information acquisition unit acquiring first distance information corresponding to an object included in an image signal, at least one of a second distance information acquisition unit acquiring second distance information on the basis of at least one of information of an end position of the object included in the image signal and a third distance information acquisition unit configured to acquire third distance information based on information of a size of the object included in the image signal, and a distance information integration unit generating integrated distance information by combining and integrating at least two of the first distance information, the second distance information, and the third distance information.
Owner:CANON KK

Modularized airborne electronic instrument display control system of general aviation aircraft

The utility model provides a modularized airborne electronic instrument display control system of a general aviation aircraft. The modularized airborne electronic instrument display control system comprises general multifunctional display control equipment, the universal multifunctional display and control equipment is used for being in communication connection with an airborne system to be displayed and controlled and controlling and displaying related information of the airborne system. According to the modularized airborne electronic instrument display control system of the general aviation aircraft, the positions of the multifunctional display control equipment and the input equipment can be flexibly arranged, the space and installation requirements of different aircraft cockpits are met, and the maintenance cost, the hardware cost and the upgrading and updating cost of the cockpits are reduced.
Owner:商飞软件有限公司

Anti-vibration device of vehicle-mounted electronic equipment

The utility model discloses an anti-vibration device of vehicle-mounted electronic equipment, and relates to the technical field of anti-vibration devices. The device comprises a mounting seat, a mounting plate is slidably clamped in the mounting seat, and an electronic instrument is fixedly mounted at the top end of the mounting plate; through cooperation of a connecting rod, a sliding barrel, a fixing rod and a first damping spring, when a vehicle vibrates during running, an electronic instrument is driven to vibrate, so that a mounting plate is driven to vertically move along the interior of a mounting base, and when the mounting plate moves downwards, the top end of the connecting rod is driven to synchronously move downwards; the bottom end of a connecting rod is limited through sliding barrels, meanwhile, the two sliding barrels are driven to move towards the sides close to each other along the outer side of a fixing rod, generated vibration is buffered through a first damping spring, and vibration generated by electronic instruments during automobile running is further absorbed through cooperation between a damping rod and a second damping spring; therefore, the damping effect of the electronic equipment is achieved.
Owner:WUXI AOWEIDA TECH CO LTD

Detection device of electronic instrument

The invention discloses a detection device of an electronic instrument, and relates to the technical field of waterproof detection. The device comprises a detection box, the detection box is connected with a driving mechanism, mechanical arm mechanisms are fixedly mounted on the two sides of the detection box, each mechanical arm mechanism comprises a mounting plate fixedly connected with the detection box, a guide groove is formed in the mounting plate, and the mounting plate is rotationally connected with a force arm rod which is driven through the driving mechanism; the inner wall of the sliding sleeve is slidably connected with a first sliding rod, the inner wall of the first sliding rod is slidably connected with a guide groove, and one end of the guide groove is rotatably connected with a third shaft rod slidably connected with the force arm rod and the guide groove. A double-head fork plate drives a first rack to move up and down and drives a driving disc on a gear disc to rotate in a reciprocating mode, and a second sliding rod is used for driving a second rack to move in a reciprocating mode, so that a force arm rod is driven, the position of an electric clamping jaw is adjusted, and an electronic instrument is convenient to take and place.
Owner:ANHUI SAIAN SAFETY TECH CO LTD

Storage device with air supply function

A storage device with an air supply function is provided that can improve the air cooling efficiency of a portable electronic device stored in a storage portion. The storage device with an air supply function comprises: a storage portion having an opening formed on its upper surface for storing the portable electronic device; a support portion configured to protrude from a side surface of the storage portion into the storage portion and contact the side surface or upper and lower surfaces of the portable electronic device stored in the storage portion to sandwich and hold the portable electronic device; and an air supply portion that supplies air into the storage portion. The support portion has an air supply port for guiding air supplied by the air supply portion into the storage portion.
Owner:TOYODA GOSEI CO LTD

Electro-optical device and electronic instrument

PendingUS20260096286A1AcceptorElectronic instruments
An electro-optical device includes: a light emitting element including a first electrode having reflectivity, a first light emitting layer configured to emit light in a first wavelength region including a first wavelength, a donor layer, an acceptor layer in contact with the donor layer, a second light emitting layer configured to emit light in a second wavelength region including a second wavelength, and a second electrode having reflectivity and transparency, stacked in order. The first wavelength region does not overlap the second wavelength region.
Owner:SEIKO EPSON CORP

Electronic instrument, and electronic instrument set

An electronic instrument 10, which is capable of having attached thereto an input device 20 provided with an electrode 43 at which the electric potential varies upon operation of an operation unit 31, is provided with: a touch screen 12 which comprises a display unit 13 for displaying an image, and an electrostatic capacitive touch panel 14 disposed at a position overlapping the display unit; and a detection unit 181 which detects an operation performed on the operation unit. The touch panel detects a parameter value relating to an electrostatic capacitance which is formed between the electrode and the touch panel corresponding to the electrode, and which varies in response to variation in the electric potential of the electrode. On the basis of a first electrostatic capacitance represented by a parameter value detected by the touch panel in a state where the input device is mounted to the electronic instrument and no operation is performed on the operation unit, and of a second electrostatic capacitance represented by a parameter value detected by the touch panel at a given timing after detection of the first electrostatic capacitance in a state where the input device is mounted to the electronic instrument, the detection unit detects an operation performed on the operation unit at the given timing.
Owner:NINTENDO CO LTD

fan

1. The name of the design product: fan. 2. The use of the design product: the design product is used for computer systems, office automation, automatic control equipment, electronic instruments, electric welder and other occasions with power supply, for ventilation and heat dissipation. 3. The design points of the design product: in the overall shape. 4. The picture or photo that best shows the design points: perspective drawing.
Owner:ZHEJIANG ZHONGXIN MOTOR CO LTD

Adaptive flow measurement system

A method and system for correcting mass flow rate measurements relating to a conveyor used to move a stream of first component material portions to and through a mixing station in which a second component material is dispensed in a predetermined mass percentage of the mass of the first component material portions. The correction of the measurements is adapted to correct for inaccuracies that arise in the measurements due to, for example, differences in the first component material portions properties, differences in the second component material properties, environmental conditions, drift of electronic instruments, and changing conditions that occur during extended use of an upstream conveyor that delivers first component material portions to the mixing station.
Owner:HEAT & CONTROL INC

Electronic instrument, and electronic instrument set

An electronic instrument 10, which is capable of having attached thereto an input device 20 provided with an electrode 43 at which the electric potential varies upon operation of an operation unit 31, is provided with: a touch screen 12 which comprises a display unit 13 for displaying an image, and an electrostatic capacitive touch panel 14 disposed at a position overlapping the display unit; and a detection unit 181 which detects an operation performed on the operation unit. The touch panel detects a parameter value relating to an electrostatic capacitance which is formed between the electrode and the touch panel corresponding to the electrode, and which varies in response to variation in the electric potential of the electrode. On the basis of a first electrostatic capacitance represented by a parameter value detected by the touch panel in a state where the input device is mounted to the electronic instrument and no operation is performed on the operation unit, and of a second electrostatic capacitance represented by a parameter value detected by the touch panel at a given timing after detection of the first electrostatic capacitance in a state where the input device is mounted to the electronic instrument, the detection unit detects an operation performed on the operation unit at the given timing.
Owner:NINTENDO CO LTD

Tail assembly for underground data transmission and connecting method thereof

The invention discloses a tail assembly for underground data transmission and a connecting method thereof. The assembly comprises a two-wing connector body, a semi-ring, a blocking piece and a rotating ring. The electronic instrument transmits data to the conventional MWD through the transmission shaft in the two-wing joint body; the two-wing joint body is step-shaped, a small section is provided with a positioning plane, a large section is provided with a two-wing flange, and axial and circumferential positioning is realized; and the rotating ring is rotationally sleeved on the middle section, is provided with threads, and is axially limited by the large-section stepped end surface, the separation blade and the semi-ring. The connecting method comprises the following steps: rotationally sleeving the rotating ring into the middle section of the two-wing joint body, mounting the baffle and the semi-ring, and fixing the semi-ring by using the screw to limit axial movement; the positioning plane is aligned with the positioning plane of the electronic instrument shell, the rotating ring is rotated to achieve tightening, the rotating ring is fixed through the fixing screw, and accurate positioning and looseness prevention are achieved. According to the invention, the problems of transmission, connection reliability and positioning of wireless signals across the screw motor are solved, and the real-time performance and shock resistance of signal transmission are improved.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Electronic instrument maintenance support

The utility model belongs to the technical field of electronic instrument maintenance, and particularly relates to an electronic instrument maintenance support which comprises a bottom plate, a vertical rod is fixedly connected to the upper portion of the middle of the bottom plate, a groove is formed in the middle of the top end of the vertical rod, and a connecting block is rotationally installed on the inner side of the top of the groove. An angle control assembly is arranged below the connecting block and located on the inner side of the bottom of the groove, a tray is fixedly connected to the top end of the connecting block, a threaded rod is connected to the middle of the right end of the tray through a bearing, the outer side of the threaded rod is sleeved with a clamping plate in a threaded mode, and a positioning assembly is installed at the left end of the tray. According to the utility model, the worm can be manually rotated, and the worm gear is utilized to drive the connecting block and the tray to rotate back and forth in a small range according to the actual requirements in the maintenance process, so that the tray can drive the electronic instrument positioned above the tray to rotate, the maintenance angle of the electronic instrument can be quickly adjusted, and the operation is convenient.
Owner:BEIJING FULAIRT TECHNOLOGY DEVELOPMENT CO LTD

Data interface assembly machine of automobile electronic instrument panel and process thereof

The invention relates to the technical field of automobile electronic part assembly equipment, in particular to a data interface assembly machine of an automobile electronic instrument panel and a process thereof, and the data interface assembly machine comprises an assembly table, a transfer table arranged on the assembly table, a power mechanism used for driving the transfer table to move, a glue leveling linkage mechanism and an overturning press-fitting mechanism. Glue is accurately discharged along the binding face through the glue dispenser, a glue flattening linkage mechanism composed of an electric push rod, an abutting wheel and a film roll is matched, a glue layer is flattened, uniform coating is guaranteed, meanwhile, glue is prevented from adhering to equipment parts through the isolation effect of a film, stepping type winding of the film is achieved through one-way transmission of a ratchet wheel and a ratchet bar, and the production efficiency is improved. According to the LVDS connector, the effect consistency of each flattening operation is ensured, glue permeates into the attaching gap between the buckle and the clamping groove under the action of press-fitting force to form tight composite fixation with the clamping structure, and the connection stability and vibration resistance of the LVDS connector are greatly improved.
Owner:SHAOXING ZHEWEI AUTOMOTIVE ELECTRONICS CO LTD

Light emitting device, and electronic apparatus and electronic instrument

Embodiments provide a light emitting device, an electronic device including the light emitting device, and an electronic equipment including the light emitting device. The light emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and a hole transport region between the first electrode and the emission layer. The emission layer comprises a first body, a second body, a first dopant and a second dopant; the first host is a hole transport compound; the second host is an electron transport compound; the first dopant is a phosphorescent compound; the second dopant is a fluorescent compound or a delayed fluorescent compound; the hole transport region includes an electron blocking layer adjacent to the emission layer; the electron blocking layer includes a compound having a minimum excitation triplet energy (T1) of less than 2.0 eV, and the compound included in the electron blocking layer includes an anthracene-naphthalene moiety and deuterium.
Owner:SAMSUNG DISPLAY CO LTD