516 results about "Light emission" patented technology

This application relates to a motorcycle, which includes: a main body, wheels, a suspension system, a power system, a control system, a headlight system, and an interactive device. The interactive device includes a control module and a visual interaction module. The visual interaction module includes a printed circuit board, an LED module, a light-blocking plate, and a diffuser. The aforementioned motorcycle, by incorporating an additional interactive device and employing a combination of dot-matrix LED modules, light-blocking grids, and diffusers, achieves a pixel-block style appearance. This solves the problems of uneven light emission, bright spots, and glare associated with single LED modules, resulting in higher display brightness, more vibrant color display, increased visual interest, and enhanced user interaction.

This application provides a display device and a method for manufacturing the same. The display device includes: a first display module, including a first display panel and a first cover plate disposed on one side of the first display panel; a second display module, spaced apart from the first display module, the second display module including a second display panel and a second cover plate disposed on one side of the second display panel; and a third display module, disposed between the first display module and the second display module, the third display module including a transparent substrate, an electrode layer and a light-emitting layer, the light-emitting layer being located on the side of the electrode layer opposite to the transparent substrate, the light-emitting layer including a plurality of LED chips, the third display module emitting light from the side where the transparent substrate is located; the first display module, the second display module and the third display module have the same light emission direction, and the transparent substrate, the first cover plate and the second cover plate are disposed in the same layer.

To provide a light emission control device, an imaging system, a control method for a light emitting device, and a program that can reduce the glare felt by a subject during focus detection even at the time of photographing in a relatively dark environment.SOLUTION: A sender strobe 200a, which is a light emission control device, can communicate with receiver strobes 200b to 200e, which emit light, and has a strobe MPU 201 that controls the receiver strobes 200b to 200e. The strobe MPU 201 has functions as identification means for identifying the presence or absence of a stationary light emitting unit 204 that emits stationary light for the receiver strobes 200b to 200e, determination means for determining an amount of light at the stationary light emitting unit 204 when used as auxiliary light for focus detection by an imaging device, based on an identification result by the identification means, and light emission control means for causing the stationary light emitting unit 204 to emit light with the amount of light determined by the determination means.SELECTED DRAWING: Figure 8

This utility model relates to the field of plant cultivation technology, specifically disclosing a household plant cultivation supplementary lighting device. It includes a planting box with a frame on the box, and a supplementary light emitting light towards the planting box on the frame. The supplementary light includes a regulated power supply circuit, an LED driver circuit, a light source board circuit, a main control circuit, a dimming button circuit, a timer button circuit, and a button backlight circuit. The main control circuit is electrically connected to the regulated power supply circuit, LED driver circuit, dimming button circuit, timer button circuit, and button backlight circuit. The LED driver circuit is electrically connected to the light source board circuit. This utility model adjusts the light emission state of the light source board circuit by setting up dimming and timer button circuits, achieving functions such as brightness adjustment and timed lighting, thereby meeting the light needs of plants at various stages of growth, offering diverse functions.

Provided is a light-emitting device with high reliability. The light-emitting device includes a first electrode formed on an insulating surface, a second electrode facing the first electrode, and an EL layer between the first electrode and the second electrode, one of the first electrode and the second electrode is an anode, and the other is a cathode, the EL layer includes a light-emitting layer, a first layer, and a second layer, the first layer and the second layer are between the light-emitting layer and the cathode, the first layer is between the first electrode and the second layer, the second layer is between the first layer and the second electrode, the light-emitting layer contains a first light-emitting substance and a second light-emitting substance, the first light-emitting substance is a substance capable of converting triplet excitation energy into light emission, the second light-emitting substance is a fluorescent light-emitting substance, the light emission peak wavelength of the first light-emitting substance is shorter than the light emission peak wavelength of the second light-emitting substance, and the GSP_Slope of the second layer is greater than the GSP_Slope of the first layer.

A light-emitting control circuit includes a first detection control unit electrically connected to a detection control terminal, a first clock signal terminal, a first voltage signal terminal, and a first node, configured to transmit a first voltage signal to the first node under the control of a detection control signal and a first clock signal. A first light-emitting output unit electrically connected to the first node, the first voltage signal terminal, and a first output signal terminal, configured to transmit the first voltage signal to the first output signal terminal under the control of the voltage at the first node. A second detection control unit electrically connected to a detection control terminal, a second clock signal terminal, the first voltage signal terminal, and a second node, configured to transmit the first voltage signal to the second node under the control of a detection control signal and a second clock signal. A second light-emitting output unit electrically connected to the second node, the first voltage signal terminal, and a second output signal terminal, configured to transmit the first voltage signal to the second output signal terminal under the control of the voltage at the second node.

This invention provides a light-emitting device and a transfer apparatus. The light-emitting device includes, for example: a light-emitting functional layer with a light-emitting surface; a first electrode disposed on one side of the light-emitting functional layer and electrically connected to the light-emitting functional layer; a second electrode disposed on the same side of the light-emitting functional layer as the first electrode and electrically connected to the light-emitting functional layer; and a light-shielding layer covering the light-emitting surface, the light-shielding layer having a light-emitting port to expose the light emitted by the light-emitting functional layer, the area of ​​the light-emitting port being smaller than the area of ​​the light-emitting surface. This technical solution achieves narrow light emission of the light-emitting device by providing a light-shielding layer with a light-emitting port on the light-emitting surface, making the area of ​​the light-emitting port smaller than the area of ​​the light-emitting surface.

A light-emitting device includes a first electrode over an insulating surface, a second electrode facing the first electrode, and an EL layer between the first electrode and the second electrode. One of the first electrode and the second electrode is an anode, and the other is a cathode. The EL layer includes a light-emitting layer, a first layer, and a second layer. The first layer and the second layer are positioned between the light-emitting layer and the cathode. The first layer is positioned between the first electrode and the second layer. The second layer is positioned between the first layer and the second electrode. The light-emitting layer includes a first light-emitting substance and a second light-emitting substance. The first light-emitting substance is a substance capable of converting triplet excitation energy into light emission. The second light-emitting substance is a fluorescent substance. An emission peak wavelength of the first light-emitting substance is shorter than an emission peak wavelength of the second light-emitting substance. A GSP_Slope of the second layer is larger than a GSP_Slope of the first layer.

The objective is to provide a signal generation device that ensures appropriate distance resolution without increasing the distance measurement time. [Solution] A signal generation device that generates multiple subframes using signals from multiple photoelectric conversion elements to generate a distance measuring frame, wherein the multiple subframes include a first subframe whose exposure period starts after a first period from a first light emission, and a second subframe whose exposure period starts after a second period from a second light emission, and the first subframe has at least a first exposure period and a second exposure period, the period from the third light emission to the start of the second exposure period is shorter than the period from the first light emission to the end of the first exposure period, and the period from the first light emission to the end of the exposure period is longer than the period from the second light emission to the start of the exposure period.

This utility model belongs to the technical field of lighting equipment and discloses a flashlight, including a body and a tail switch assembly. The tail switch assembly is configured to drive a light-emitting component to switch light emission modes. The tail switch assembly includes: a tail cap connected to the body, with a drive circuit board disposed inside the tail cap and connected to the light-emitting component via signal transmission; a rotating component partially disposed inside the tail cap and capable of rotating relative to the tail cap around its own axis, with a portion of the bottom surface of the rotating component configured as a reflective part and the remaining portion configured as a non-reflective part; and an optocoupler switch connected to the top surface of the drive circuit board and including an on and off state, the top surface of the optocoupler switch being a sensing surface. The reflective part can face and cooperate with the sensing surface to put the optocoupler switch in the on state, and the non-reflective part can face and cooperate with the sensing surface to put the optocoupler switch in the off state. This utility model is beneficial for improving the working stability and reliability of the flashlight.

The application discloses a display panel and a display device, and belongs to the technical field of display. The display panel comprises a driving back plate, a first electrode layer, a filling layer, a supporting pad layer, a partition layer, an organic light-emitting layer and a second electrode layer. The supporting pad layer is located on the side of the filling layer away from the driving back plate, the side of the filling layer away from the driving back plate has a first height difference, the side of the supporting pad layer away from the driving back plate has a second height difference, and the second height difference is smaller than the first height difference. The partition layer is located on the side of the supporting pad layer away from the driving back plate, and the side of the partition layer away from the driving back plate has a partition groove. In this way, the flatness of the side of the supporting pad layer away from the driving back plate is better, and the partition effect of the partition groove on the organic light-emitting layer is more uniform. Meanwhile, the filling layer and the supporting pad layer can lift the partition layer, increase the minimum distance between the puncture and the first electrode, reduce the risk of puncture leakage, and improve the phenomenon of uneven light emission of the display panel.

This invention provides a dynamic anti-glare highway lighting guardrail system, method, electronic device, and medium, relating to the field of highway traffic safety facilities technology. The system includes a guardrail body, a target detection module, lighting units, a main control unit, and a power supply module. The target detection module is mounted on the guardrail body, facing the direction of oncoming road targets, and collects the target's position and movement parameters in real time. The lighting units are arranged at intervals along the guardrail and can be independently adjusted, with the light emission direction adapted to the traffic direction and at a preset tilt angle relative to the road surface, focusing on the road surface. The main control unit connects each module and dynamically adjusts the working state of the corresponding lighting units based on the collected target information, forming an anti-glare adaptation area that moves synchronously with the target. The power supply module provides stable power. This application can achieve precise and dynamic anti-glare, balancing lighting effect and energy saving requirements, is easy to install and maintain, adaptable to various road scenarios, and improves nighttime driving safety.

This invention provides a method for fabricating LED epitaxial wafers and a Micro-LED. The method involves fabricating a multi-quantum-well layer with a periodic stacked structure of InGaN / InN / AlGaN / GaN layers. The InGaN layer acts as a potential well layer, allowing electrons and holes to recombine and participate in light emission. The ultra-thin design improves polarization and reduces QCSE (Quantum Conversion Efficiency). Simultaneously, the ultra-thin design also reduces indium segregation caused by high In content. The InN layer enhances effective In incorporation, and sufficient NH3 further reacts with precipitated In atoms to form InN, resulting in effective incorporation. This improves the In content while maintaining crystal quality. Furthermore, the AlGaN layer acts as a high barrier layer, effectively confining electrons, while the GaN layer provides hole-rich channels, thereby improving luminous efficiency.

The application provides an OLED display panel and a control method thereof, and relates to the technical field of flat panel display with components specially suitable for light emission, such as organic light emitting diode, the application forms temperature-decay closed-loop compensation: temperature data and light emission efficiency decay amount are obtained through sensing detection, a temperature-decay kinetic model predicts future decay trend, driving adjustment dynamically changes parameters according to the prediction result, and the adjusted effect is verified in the next round of sensing detection, so that closed-loop control of continuous optimization is realized; the temperature-decay closed-loop compensation control method systematically associates light emission efficiency decay sensing and temperature sensing in time and space, realizes the change from passive compensation to active prediction through the establishment of the temperature-decay kinetic model, can take protective measures of reducing driving current in advance before temperature causes decay acceleration, and effectively prolongs the service life of the OLED display panel.

The application provides a LED chip with reverse polarity and small hole light emission and a manufacturing method thereof. The epitaxial layer of the LED chip comprises a P-type window layer and an MQW light emitting layer. The doping concentration of a first region in the P-type window layer is greater than that of a second region, which can limit current expansion and improve light emitting efficiency. An ODR dielectric film layer and an ODR metal reflection layer form an ODR mirror at the bottom of the epitaxial layer. An insulating passivation layer and an N electrode on the sidewall of the epitaxial layer can form an ODR mirror on the sidewall of the epitaxial layer. The N electrode also has a first hollow region. The ODR mirror can be used to reflect light, so that the light emitted by the MQW light emitting layer is only emitted from the first hollow region, and stray light emitted by the sidewall is suppressed. In addition, the orthographic projection of the first hollow region in the first direction completely covers the P ohmic contact metal unit, so that the electron hole recombination region is located in the MQW light emitting layer under the orthographic projection of the first hollow region, and the light emitting efficiency is further improved.

A biometric information acquisition device includes an acquisition section that obtains first information based on a light amount of the red light received by the first light receiving element, second information based on a light amount of the infrared light received by the second light receiving element, and third information based on a light amount of the green light received by the third light receiving element; and the drive control section that controls a drive and a stop of each of the first light emitting element, the second light emitting element, and the third light emitting element; wherein the biometric information acquisition device measures first biometric information based on the first information and the second information, and second biometric information based on the third information, and the drive control section performs at least one of a first process, which stops the light emission of the first light emitting element and the second light emitting element when a measurement period for measuring the first biometric information reaches the first time period T1, and a second process, which stops the light emission of the third light emitting element when the measurement period for measuring the second biometric information reaches the second time period T2.

This product is an electronic circuit board with various sensor circuits for flow rate, temperature, etc., as well as calculation circuits, communication circuits, display circuits, etc., arranged on the substrate surface. The light emission state of light-emitting elements such as LEDs (light-emitting diodes), which are arranged in multiples or singles around the edge of a hole approximately in the center of the substrate, is controlled according to the measured values ​​of the sensor circuits, instructions from communication, the state of the substrate, and the built-in program (see Reference Figures 1-5 for examples of usage). These light-emitting elements are positioned so that they partially protrude from the edge of the hole approximately in the center of the substrate towards the hole side. In addition to mounting circuit components, this electronic circuit board may have patterns such as characters applied to the substrate surface.

Embodiments of the present application disclose a display panel and a display device. The display panel comprises a driving substrate, a plurality of light emitting elements, a first pixel defining structure and a second pixel defining structure. The plurality of light emitting elements are located on one side of the driving substrate. The first pixel defining structure is located on one side of the driving substrate, and the first pixel defining structure comprises a pixel opening part and a pixel defining part. The light emitting elements are located in the pixel opening part, and the pixel defining part surrounds at least part of the light emitting elements. The second pixel defining structure surrounds at least part of the light emitting elements, and a undercut structure is arranged on one side of the second pixel defining structure facing the light emitting elements. In this way, the position and opening size of the light emitting elements are defined by the first pixel defining structure, so as to achieve a better large-viewing-angle light emission effect, and the adjacent light emitting elements are blocked by the second pixel defining structure, so as to reduce the horizontal leakage.

The invention relates to an optoelectronic device (1) comprising an assembly (10) of photonic crystals (100, 200, 300, 400) intended to emit a light beam mainly having a wavelength λ. This assembly comprises at least one first elementary photonic crystal (100) that comprises an assembly of first nanowires (101) and is configured to emit a first elementary light beam mainly having the wavelength λ, and a second elementary photonic crystal (200) that comprises an assembly of second nanowires (201) and is configured to emit a second elementary light beam mainly having the wavelength λ. The elementary photonic crystals (100, 200) have distinct structures, so as to give the elementary light beams at least one distinct optical characteristic. The light beam emitted by the photonic crystal assembly can be formed by the first elementary light beam and / or the second elementary light beam.

The present invention provides a nitride semiconductor light-emitting element that can improve light emission output. [Solution] The nitride semiconductor light-emitting device comprises a substrate whose c-plane is the growth surface, a buffer layer formed on the growth surface, an n-type semiconductor layer containing Al, Ga, and N formed on the buffer layer, an active layer formed on the n-type semiconductor layer and having at least one well layer containing Al, Ga, and N, and a p-type semiconductor layer formed on the active layer. The nitride semiconductor light-emitting device emits ultraviolet light with a central wavelength of 365 nm or less. When the well layer closest to the p-type semiconductor layer among the at least one well layer is designated as the target well layer, the ratio of the carbon concentration Cw of the target well layer to the carbon concentration Cn of the n-type semiconductor layer, Cw / Cn, is 3.0 / 100 or less.

The invention relates to an actuating module (10) for triggering a switching function, comprising at least - a case (20), - an actuating element (30) movable relative to the housing (20) and - a lighting device (40), - wherein the housing (20) has at least one guide opening (21), - wherein the lighting device (40) comprises at least one light emission element (41) which is arranged in the guide opening (21) and has a cavity (41.2) in which the actuating element (30) is held in an actuable manner. The invention further relates to a door handle arrangement (100).

Title: Optoelectronic Device with Controlled Light Emission Profile The invention relates to an optoelectronic device (1) comprising an assembly (10) of photonic crystals (100, 200, 300, 400) for emitting a light beam having predominantly a wavelength λ. This assembly comprises at least one first elementary photonic crystal (100) comprising an assembly of first nanowires (101) and configured to emit a first elementary light beam having predominantly the wavelength λ, and a second elementary photonic crystal (200) comprising an assembly of second nanowires (201) and configured to emit a second elementary light beam having predominantly the wavelength λ. The elementary photonic crystals (100, 200) have distinct structures, so as to impart to the elementary light beams at least one distinct optical characteristic.The light beam emitted by the set of photonic crystals can be formed by the first elementary light beam and / or the second elementary light beam. Figure for the abbreviation: Fig. 2A.

This invention relates to the technical field of LED packaging, and discloses an LED packaging structure, packaging method, and backlight module. The LED packaging structure includes a main substrate and at least two light-emitting units. Each light-emitting unit includes a transition substrate, a connecting component, an LED chip, and a phosphor layer. The transition substrate is disposed between the main substrate and the connecting component. The connecting component includes a component body and several metal layers disposed on the surface of the component body. The LED chip is mounted on the metal layers, and the light emission direction of the LED chip is horizontal. Holes are formed between the light-emitting units to expose the transition substrate or the main substrate. The phosphor layer is disposed on the main substrate and covers the LED chip, the surface of the connecting component, and the side surface of the transition substrate, and fills the hollowed-out portions. Implementing this invention can improve the light emission angle of the LED chip, improve the visual effect of the backlight module, and eliminate uneven brightness.

This invention discloses a lens and a wall washer light. The optical axis of the lens is parallel to the optical axis of the light source. The lens has a mounting surface for installation, and a light source groove for placing the light source is formed on the mounting surface. The peripheral wall and bottom surface of the light source groove form the incident surface of the lens. The lens is characterized by having an irregularly shaped structure located at the far end of the direction of light emission. This irregularly shaped structure has an exit surface for light to exit. The irregularly shaped structure is configured to allow light entering through the incident surface to undergo total internal reflection and direct reflection before exiting through the exit surface. By designing a lens with an irregularly shaped structure, this invention allows light initially directed away from the wall to undergo total internal reflection before exiting through the exit surface, along with light directly impacting the exit surface, and then directed towards the far end of the wall. This achieves convergence of light with a large incident angle, resulting in more light exiting the first exit surface and greater illumination brightness. This achieves uniform illumination of the wall surface by the emitted light, relying solely on its own structure without depending on a lampshade.

A display apparatus has a reflective portion (130, fig. 3) on a pattern (120, fig. 3) with a concave cross-section in a non-light emission area between sub-pixels SP. Each subpixel has a pixel electr

A technical solution for imaging one or more body parts of a patient in medical applications is proposed. One corresponding method includes determining a mapping function that maps a global range of values ​​from multiple luminescent images of the body part to a (common) dynamic range of a display. The luminescent images are mapped by transforming their values ​​according to the mapping function. The resulting mapped luminescent images are then displayed together on the display. Alternatively or additionally, the method includes providing at least one (common) segmentation threshold for a starting image equivalent to the luminescent image or the mapped luminescent image. The starting image is segmented based on a comparison of its values ​​with the segmentation threshold. A computer program for implementing the method and a corresponding computer program product are also proposed. Furthermore, a corresponding computing device and an imaging system including the same are proposed. Surgical methods, diagnostic methods, and treatment methods based on the method are also proposed.

The application discloses a Micro-LED chip with a double-sided microstructure sapphire substrate and a preparation method and application thereof, and relates to the technical field of optoelectronic devices. The Micro-LED chip comprises a sapphire substrate and a flip GaN-based light-emitting unit arranged on one side of the sapphire substrate. The sapphire substrate has oppositely arranged first and second surfaces, the first surface faces the flip GaN-based light-emitting unit, and the second surface is a light-emitting upper surface. The first surface is formed with a microlens structure between the sapphire substrate and an n-type GaN layer, and the second surface is formed with a hexagonal pyramid microstructure array, which comprises a plurality of periodically arranged hexagonal pyramid structure units. The application can improve the surface light-emitting efficiency and the proportion of effective forward light emission while maintaining a high light extraction efficiency, and reduce the crosstalk influence of light emission in the sidewall direction on adjacent light-emitting pixels.

This invention proposes a display panel and its driving method, driving circuit, and display device. The display panel includes multiple scan lines, multiple data lines, and pixel circuits arranged in an array. The pixel circuit includes a light-emitting unit, a light-emitting driving unit, a storage capacitor, a data switch, a logic circuit, a switching circuit, and a first reset switch. The logic circuit performs an AND operation on the input row scan signal and data signal, and outputs a corresponding first level signal or second level signal to the switching circuit and the first reset switch, thereby controlling the first reset switch to reset and turn the driving transistor on or off during the sampling period to write the data signal of the next frame or maintain the data signal of the previous frame. During the light-emitting period, the driving transistor is triggered by the light emission signal to output a current signal to drive the light-emitting unit to emit light. It can control the corresponding pixel circuit to maintain the current screen and switch the display screen, and can realize independent control of a single pixel circuit to meet the display requirements of different refresh rates.

A display device includes a display panel including a plurality of self-light-emitting elements a display control unit for controlling display of an image by the display panel, and a viewing sensor. The viewing sensor detects, from a state of the user, a non-viewing state that is a state in which a state in which the user does not view the display screen, a state in which a line of sight of the user does not intersect the display screen, or a state in which a distance between a viewpoint of the user on the display screen and a position of the image is equal to or greater than a predetermined value. The display control unit changes a display position of at least part of the image by the display panel through control of light emission of the plurality of self-light-emitting elements when the viewing sensor detects the non-viewing state.

This application relates to a combined light source and a detection device. The combined light source includes a housing and a light source assembly. The housing has a concave mounting surface that extends circumferentially around a reference axis. The light source assembly includes light-emitting elements and control elements. Multiple light-emitting elements are arranged in layers along the reference axis on the mounting surface, with each layer's light-emitting elements arranged circumferentially around the reference axis, and each light-emitting element facing the illumination area. Multiple control elements are present, each connected to at least one light-emitting element to control the corresponding connected element's illumination and extinguishing. Multiple control elements can control light-emitting elements at different circumferential positions and different light emission angles in any combination to form different lighting patterns and provide different lighting effects. This provides high versatility and occupies less space compared to traditional multi-light source combinations. The detection device includes the aforementioned combined light source and has high detection versatility.