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6908 results about "Light emission" patented technology

The light emission can be spontaneous or stimulated. In spontaneous emission matter at a sufficiently high energy level can relax by emitting photons of a characteristic energy, this is the process which occurs in flames, or discharge lamps.

Game machine

To provide a game machine, represented by a pinball game machine, a rotary reel game machine, an enclosed type game machine, or a medal-less slot machine, having characteristics in a light emission performance.SOLUTION: Light from first light emission means α14L is directed by a first cover part α142 at least toward a player and a first reflection part α110 (upward and transverse arrows of dotted lines indicated in a left side). At least a part of a first lens cut portion αRC1 that the first cover part α142 has is reflected on the first reflection part α110. Light from second light emission means α15L is directed by a second cover part α152 at least toward the player and a second reflection part α120 (upward and transverse arrows of dotted lines indicated in a right side). At least a part of a second lens cut portion αRC2 that the second cover part α152 has is reflected on the second reflection part α120. The first light emission means α14L and the second light emission means α15L are mounted on one substrate α160.SELECTED DRAWING: Figure 68-4
Owner:DAITO GIKEN CO LTD

Game machine

To provide a game machine capable of attaining improvement in operability of operation means.SOLUTION: A game machine comprises: first operation means; second operation means disposed at a position separated from the first operation means; operation detection means capable of detecting an operation; a speaker; a speaker cover which has a plurality of sound releasing holes that face the speaker; and a light emitting member arranged on the back side of the speaker cover. Either when the first operation means is operated or when the second operation means is operated, the operation detection means is able to detect the operation. At least one of the first operation means and the second operation means is formed in a flat shape. A light emitting performance in which the light emitting member is caused to emit light so that a sound release region in the speaker cover that faces the speaker appears to be luminous is executed.SELECTED DRAWING: Figure 334
Owner:UNIVERSAL ENTERTAINMENT CORP

Filament light source assembly, filament lamp string and filament bulb

The present invention discloses a filament light source assembly, a filament lamp string and a filament bulb. The filament light source assembly comprises a glass fiber plate and a plastic fixing member. In the present technical solution, LED chips are provided on the glass fiber plate, the glass fiber plate is fixed on the plastic fixing member, and an iron wire bracket is not needed as a supporting component. Moreover, after the glass fiber plate and the plastic fixing member are assembled, a plug-in connection space is formed, and is used for plug-in connection and fixation of two external conductive terminals, such that the conductive terminals are electrically connected to two pads. In addition, since no iron wire bracket needs to be used as a supporting component in the present solution, light emitted from a light source is not blocked, thereby improving the light emission effect.
Owner:ZHONGSHAN CHENGYUAN PHOTOELECTRIC TECHNOLOGY CO LTD

Display panel and display device

The present application provides a display panel and a display device. Pulse width modulation modules of a plurality of sub-pixels included in the same sub-pixel group receive the same frequency sweep signal, and pulse width modulation modules and the pulse amplitude modulation modules of the plurality of sub-pixels included in the same sub-pixel group receive the same light emission control signal. The start time when pixel driving circuits of at least two of the sub-pixel groups provide flow paths for corresponding driving currents according to corresponding light emission control signals is different.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

Game machine

To provide a game machine capable of attaining improvement in operability of operation means.SOLUTION: A game machine comprises: first operation means; second operation means disposed at a position separated from the first operation means; operation detection means capable of detecting an operation; a speaker; a speaker cover which has a plurality of sound releasing holes that face the speaker; a light emitting member arranged on the back side of the speaker cover; and a light guide member having a light incident part where the light emitted by the light emitting member is incident. Either when the first operation means is operated or when the second operation means is operated, the operation detection means is able to detect the operation. A light emitting performance in which the light emitting member is caused to emit light so that a sound release region in the speaker cover that faces the speaker appears to be luminous is executed.SELECTED DRAWING: Figure 334
Owner:UNIVERSAL ENTERTAINMENT CORP

Plated steel sheet

The present invention addresses the problem of providing a plated steel sheet having good LME resistance and red rust resistance. A plated steel sheet according to the present invention is provided with a plating layer on one surface or both surfaces of a steel sheet and has a tensile strength of 780 MPa or more. The steel sheet has prescribed chemical components, and the plating layer contains Zn. In a GDS measurement in the thickness direction of the plated steel sheet, the depth at which the light emission intensity Bx at a depth of x (µm) and the light emission intensity B150 at a depth of 150 µm satisfy Bx / B150≥5.0 is 0.5 µm or more from the interface between the steel sheet and the plating layer. The thickness of an oxide formed on the surface of the plating layer is 0.5 µm or less. An internal oxide layer having a thickness of 1.0 µm or more exists in the thickness direction of the steel sheet from the interface.
Owner:NIPPON STEEL CORPORATION

Method for monolithic integration preparation of full-color nitride semiconductor micro light-emitting diode array

Disclosed is a method for monolithic integration preparation of a full-color nitride semiconductor micro light-emitting diode (micro-LED) array. The method includes preparing a composite conductive substrate; overlaying an insulating template onto the composite conductive substrate to prepare a template substrate; overlaying monocrystalline graphene onto the template substrate in a completely aligned manner to obtain a customized template graphene substrate including graphene array units, wherein one blue-region graphene array element, one green-region graphene array element, and two red-region graphene array elements in each graphene array unit have surface properties different from each other; then performing an in-situ process to epitaxially grow a vertical-structure all-nitride material, to obtain a full-color micro-LED array epitaxial wafer by one-step in-situ process; finally, performing packaging and preparing a transparent electrode, to obtain a vertical-structure full-color nitride micro-LED array with top light emission.
Owner:PEKING UNIV

Manufacturing method of lens module, mold, lens module and sensor device

The invention relates to the technical field of semiconductor luminescence, and discloses a manufacturing method of a lens module, a mold, the lens module and a sensor device. The manufacturing method comprises the following steps: S1, arranging at least two cavity structures with upper and lower openings in the bearing part; the upper mold and the lower mold are each internally provided with a mold cavity with an opening in one side. And mold cavities of the upper mold and the lower mold extend into the cavity structure from the upper opening end and the lower opening end of the bearing part correspondingly to be aligned and closed. And a gap is reserved between the upper mold and the lower mold in the mold closing process. And S2, a mold cavity for mold closing is filled with the light-transmitting glue, and the redundant light-transmitting glue flows out through gaps in the peripheries of the upper mold and the lower mold and adheres to the inner wall of the bearing part. And S3, after curing, the upper mold and the lower mold are moved away, and a first lens and a second lens are formed in the two cavity structures respectively. The manufacturing method is simple and high in efficiency, and the manufactured sensor device is simple and stable in structure, good in sealing performance, high in precision and easy to optically design.
Owner:SHENZHEN OPTISEEN TECHNOLOGY CO LTD

Vehicle lamp

A vehicle lamp, which reflects light of a predetermined color using ambient light and emits light of a predetermined pattern using internal light, includes: a light source that emits light; a lens disposed in a light emission path of the light source; and a main film attached to the lens. The main film includes: a color layer that reflects ambient light in a predetermined color; and a functional layer that selectively transmits the light emitted from the light source.
Owner:SL CORP

Game machine

To prevent a motivation for filming a video from decreasing.SOLUTION: A pachinko game machine includes, as executable performances, a specific performance including emitting light of a specific color, and a prior performance giving a suggestion or notification of emitting light of the specific color. Based on an operation of a performance button after a start of the prior performance, a specific setting can be set in which a light emission intensity of the specific color in the specific performance is lower than that in a reference setting, or the specific color is not emitted in the specific performance.SELECTED DRAWING: Figure 9
Owner:NEWGIN KK

Array substrate, driving method of pixel circuit, display panel and display device

The embodiment of the invention provides an array substrate, a driving method of a pixel circuit, a display panel and a display device, relates to the technical field of display, and is used for improving the PWM dimming precision of the display panel. The array substrate comprises a substrate and a plurality of pixel circuits arranged on the substrate. The pixel circuit includes a first light emission control transistor and a second light emission control transistor. The array substrate further comprises a first light-emitting control signal line and a second light-emitting control signal line. The first light emission control signal line is electrically connected to a gate of the first light emission control transistor. The second light emission control signal line is electrically connected to the gate of the second light emission control transistor. The array substrate further comprises a plurality of conducting layers, the first light-emitting control signal line and the second light-emitting control signal line are electrically insulated and located on different conducting layers, and orthographic projections of the first light-emitting control signal line and the second light-emitting control signal line on the substrate do not coincide. The array substrate is used for preparing the display device.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Machine vision light source control method and system

The invention provides a machine vision light source control method and system, and the method comprises the steps: carrying out the spatial analysis of ambient light state data of a machine vision scene, obtaining the spatial distribution information of ambient light, and determining an ambient light illumination abnormal region on the surface of a target object through combining the spatial attitude information of the target object in the machine vision scene; based on the distribution state information of the abnormal ambient light irradiation area on the surface of the target object, adjusting the supplementary lighting irradiation state of the light source, analyzing the global image of the surface of the target object, determining the bright spot distribution information of the surface of the target object, and comprehensively positioning the area range with excessively concentrated brightness generated by supplementary lighting irradiation; based on the hot spot distribution information, the irradiation light intensity distribution of the light source is dynamically adjusted, and the corresponding optimal adjustment parameters are determined, so that the light emitting state adjustment or light ray state modulation is performed on the light source, a flexible and locally adjustable supplementary lighting mode is provided for machine vision recognition, and the applicability of the machine vision light source to different scenes is improved.
Owner:东莞康视达自动化科技有限公司

Game machine

To provide a game machine capable of attaining improvement in operability of operation means.SOLUTION: A game machine comprises: first operation means; second operation means disposed at a position separated from the first operation means; operation detection means capable of detecting an operation; a speaker; a speaker cover which has a plurality of sound releasing holes that face the speaker; a light emitting member arranged on the back side of the speaker cover; and a light guide member having a light incident part where the light emitted by the light emitting member is incident. Either when the first operation means is operated or when the second operation means is operated, the operation detection means is able to detect the operation. At least one of the first operation means and the second operation means is formed in a flat shape. A light emitting performance in which the light emitting member is caused to emit light so that a sound release region in the speaker cover that faces the speaker appears to be luminous is executed.SELECTED DRAWING: Figure 334
Owner:UNIVERSAL ENTERTAINMENT CORP

Game machine

To prevent a motivation for filming a video from decreasing.SOLUTION: A pachinko game machine includes, as executable performances, a specific performance including emitting light of a specific color, and a prior performance giving a suggestion or notification of emitting light of the specific color. Based on an operation of a performance button after a start of the prior performance, a specific setting can be set in which a light emission intensity of the specific color in the specific performance is lower than that in a reference setting, or the specific color is not emitted in the specific performance. A warning can be given before the start of the prior performance.SELECTED DRAWING: Figure 9
Owner:NEWGIN KK

Method and system for realizing uniform dimming of illumination in high-power LED (light-emitting diode) area

The invention discloses a method and a system for realizing uniform dimming of illumination in a high-power LED (light-emitting diode) area, and relates to the technical field of data processing. The method comprises the following steps: acquiring people flow distribution data of a target area and illumination data of a plurality of segmented illumination areas in the target area; based on the people flow distribution data, determining a distribution position and a coverage range of dense people flows in the target area; calculating a distance value between each segmented illumination area and the distribution position of the dense people stream, and determining an illumination demand level corresponding to each distance value; the illumination compensation value of each segmented illumination area is determined by combining the illumination demand level and the illumination data of each segmented illumination area, and the light emitting angle of each segmented illumination area is determined by combining the distribution position and the coverage range of the dense people stream; and adjusting the LED lamp group of each segmented illumination area according to the illumination compensation value and the light emitting angle of each segmented illumination area so as to illuminate the target area. By implementing the technical scheme provided by the invention, the effect of improving the efficiency of uniform dimming of area illumination is achieved.
Owner:SHENZHEN GOLDENLUX CO LTD

Light-emitting element drive device, light emission control device, and light emission device

A light-emitting element drive device includes, for example, a current sense amplifier configured to generate a current detection signal corresponding to a difference between a sense voltage corresponding to an inductor current (and thus an output current) supplied to a light-emitting element and a predetermined current setting signal (e.g., an offset voltage corresponding to a set current), an error amplifier configured to generate an error signal such that a direct-current component of the current detection signal has a zero value, a comparator configured to generate a set signal by comparing the current detection signal with the error signal, and a driver configured to perform feedback control of the output current in accordance with the set signal.
Owner:ROHM CO LTD

Defect compensation method of display panel, electronic equipment and storage medium

The embodiment of the invention discloses a defect compensation method and device for a display panel, electronic equipment and a storage medium. According to the method, compensation data corresponding to a defect category is acquired in response to the defect category of the display panel under at least one luminous intensity, the compensation data comprises a plurality of compensation parameters, each compensation parameter corresponds to one luminous intensity, and the plurality of compensation parameters are written into the display panel. The Mura compensation method and the Mura compensation device are used for performing defect compensation on the display panel under different luminous intensities, so that the brightness of the display panel can be quickly adjusted, the brightness of the display panel under different luminous intensities is more uniform, and the accuracy of Mura compensation is improved while the display effect of the display panel is improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD

Gas detection system

The present invention relates to gas detection devices, and in particular to volatile substance sensors, such as respiratory alcohol device sensors. A semiconductor gas sensor device according to the present invention includes a laser structure and an optical waveguide resonator formed in the same compound semiconductor including at least one light emission layer and one light propagation layer. The optical waveguide resonator is formed in the light propagating layer, and a majority thereof is separated from a remainder of the light propagating layer. The laser structure is disposed adjacent a portion of the optical waveguide resonator and is arranged to transmit electromagnetic radiation of a particular wavelength band to the optical waveguide resonator arranged to resonate at the particular wavelength band.
Owner:SENSEAIR +1

Symmetrical lead frame structure for two-pin LED package

Solid-state lighting devices, and more particularly, symmetrical lead frame structures for two-pin light emitting diode (LED) packages and methods for making the same are disclosed. The symmetrical lead frame structure can include a pair of leads that include symmetrical split cup portions that collectively, when placed next to each other, form a cup, across which an LED flip-chip can be placed. Each of the leads can be a respective electrode powering the LED flip-chip, which together with the symmetrical structure, provides a more even light emission profile and far-field pattern. A molded lens can be formed around the lead frame to protect the chip, as well as maintain a gap between the pair of leads of the lead frame structure. In some embodiments, a fill material can be added in the gap between the pair of leads.
Owner:CREELED INC

Pixel driving circuit and driving method therefor, and display panel and display apparatus

A pixel driving circuit and a driving method therefor, and a display panel and a display apparatus. The pixel driving circuit comprises a write-in transistor, a driving transistor, a storage capacitor, a coupling capacitor and a light-emitting unit, wherein one electrode of the storage capacitor and a gate electrode of the driving transistor are both electrically connected to a first node; and one electrode of the coupling capacitor is electrically connected to a control voltage end, and the other electrode thereof is electrically connected to the first node, and the coupling capacitor is configured to adjust the voltage of the first node in a light emission phase, such that the voltage of the first node is converted from a first voltage into a second voltage.
Owner:CHENGDU BOE OPTOELECTRONICS TECH CO LTD +1

Display panel and preparation method therefor, and display module and display apparatus

PCT designated stage expiredWO2025011274A1Light emissionMaterials science
A display panel, comprising a display substrate, an encapsulation layer, and a touch stack. The display substrate has a light emission side and a non-light emission side arranged opposite each other. The encapsulation layer is arranged on the light emission side of the display substrate. The encapsulation layer comprises at least one inorganic layer; the at least one inorganic layer comprises a first inorganic layer, the first inorganic layer being an inorganic layer among the at least one inorganic layer that is closest to the display substrate. The touch stack is arranged on the side of the encapsulation layer away from the display substrate. The touch stack comprises at least one insulating layer. The edge of at least one insulating layer is in contact with the edge of the first inorganic layer, and the orthographic projection of the lower boundary of the edge of said insulating layer on the display substrate substantially coincides with the orthographic projection of the upper boundary of the edge of the first inorganic layer on the display substrate.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Game machine

To prevent a motivation for filming a video from decreasing.SOLUTION: A pachinko game machine includes, as executable performances, a specific performance including emitting light of a specific color, and a prior performance giving a suggestion or notification of emitting light of the specific color. Based on an operation of a performance button after a start of the prior performance, a specific setting can be set in which a light emission intensity of the specific color in the specific performance is lower than that in a reference setting, or the specific color is not emitted in the specific performance. The specific performance has a privilege expectation degree higher than that in the case of no execution of the specific performance.SELECTED DRAWING: Figure 9
Owner:NEWGIN KK

Electric work machine

A light unit is less likely to have lower light emission performance upon receiving a shock. An electric work machine includes a motor, a housing including a motor compartment accommodating the motor and a grip protruding downward from the motor compartment, an output unit located frontward from the motor and operable with a rotational force from the motor, a substrate extending above, on a left, and on a right of the output unit, and a plurality of light emitters mounted on a front surface of the substrate at intervals in a circumferential direction of the output unit. A light emitter of the plurality of light emitters nearest an apex of the substrate immediately above the output unit is at a position shifted circumferentially by a predetermined angle from the apex.
Owner:MAKITA CORP

Welding method and compressor

The invention provides a welding method and a compressor. The welding method is used for welding two parts of the compressor and comprises the following steps: providing a first part and a second part; the first component and the second component are coaxially arranged, and a welding area is formed at a seam between the first component and the second component; the welding area is welded in a laser welding mode, so that the first component and the second component are fixedly connected; wherein during laser welding, an included angle is formed between the center line of the light emitting direction of a laser beam of a laser head and the direction of a connecting line between the laser head and the axis of the first component and the axis of the second component, and the included angle is larger than zero. During welding, the included angle larger than zero is formed between the light emitting direction of the laser beam and the axis direction, pointing to the two to-be-welded workpieces, of the laser head, the width of a welding seam formed during welding is larger than the depth of the welding seam, a welding process window is enlarged, the welding process difficulty is reduced, and the welding quality of the compressor is improved.
Owner:SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD

Processing method for organic fluorine compound

Provided is a processing method with which it is possible to efficiently process an organic fluorine compound contained in a processing target liquid. This processing method for processing an organic fluorine compound contained in a processing target liquid comprises: a step (a) for supplying electrons in and through the processing target liquid between a first electrode and a second electrode disposed apart from the first electrode; and a step (b) for, while said step (a) is being executed, irradiating the processing target liquid with ultraviolet rays exhibiting light emission intensity at least in a wavelength range of 200 nm or less.
Owner:USHIO INC

Display device

PendingUS20250311605A1Computer hardwareDisplay device
A display device includes a base layer, and a circuit element layer including a driver on the base layer overlapping a non-display region, and a display element layer on the circuit element layer. The display element layer includes a pixel defining layer on the circuit element layer, and a light emission element overlapping a display region including a light emission layer. The pixel defining layer includes a light emission opening overlapping the display region and at least having the light emission layer disposed in the light emission opening, a driving opening overlapping the non-display region, overlapping the driver, and a dummy opening overlapping the non-display region and between the light emission opening and the driving opening. The dummy opening has a substantially planar shape substantially the same as a planar shape of the light emission opening or the driving opening.
Owner:SAMSUNG DISPLAY CO LTD

Projection lens for a headlight of a motor vehicle and headlamp with such a projection lens

A projection lens has a substrate made of a transparent material, which has a light entry surface for the light exiting a primary optical element in a headlamp. A light emission surface is opposite the light entry surface. A Fresnel structure is formed on the substrate, which contains numerous coaxial annular steps, each of which has an emission surface and a diffractive surface. The emission surface is that part of the step through which light passes. The diffractive surface is that part of the step that is not configured for light to pass through it. At least one of the diffractive surfaces is curved.
Owner:HELLA GMBH & CO KGAA

Distance-measuring imaging device

A distance-measuring imaging device includes: a timing controller that outputs one or more timing signals; a light receiver that receives reflected light that is light emitted by a light source and reflected by a subject; a phase adjustment circuit that outputs at least one signal out of a light emission control signal and an exposure control signal, based on the one or more timing signals, the light emission control signal being used for causing the light source to emit light to the subject, the exposure control signal being used for causing the light receiver to start exposure. The phase adjustment circuit includes one or more DLL circuits each of which determines, for at least one of the one or more timing signals, at least one of a phase of a rising edge or a phase of a falling edge of the at least one signal.
Owner:NUVOTON TECH CORP JAPAN

Display panel

Disclosed is a display panel, including a plurality of pixel units. Each pixel unit includes a plurality of sub-pixels. The plurality of sub-pixels include a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed sequentially from inside to outside. A centroid of the pixel unit is located in the first sub-pixel, and at least one of the second sub-pixel and the third sub-pixel is a non-closed ring including at least one gap to communicate an inner side and an outer side of the second sub-pixel and / or the third sub-pixel. In this design, a roughly uniform distribution of sub-pixels relative to the centroid of the pixel unit. Thus, uniformity of light emission is improved, thereby improving display effect. In addition, a voltage drop difference between an inner and an outer pixel units during driving may be reduced through the opening, thereby avoiding excessive voltage drop of inner sub-pixels.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Patterned photonic crystal laser and preparation method thereof

The invention provides a patterned photonic crystal laser and a preparation method thereof, the laser comprises a substrate, and a first mask layer, a photonic crystal layer and a second mask layer which are sequentially deposited on the substrate, a light emitting area is etched in the central area of the second mask layer, and transparent conductive layers are deposited on the surface of the second mask layer and the light emitting area; a p-annular electrode is arranged on the surface of the transparent conductive layer on the second mask layer, and an n-annular electrode is arranged below the substrate; the photonic crystal layer is composed of a nanorod array and a polymer filled in gaps of nanorods; holes distributed in a patterned array are etched in the surface of the first mask layer, and nanorods are epitaxially grown in hole areas; the nanorod is formed by sequentially depositing a substrate contact layer, a first waveguide layer, a multi-quantum well layer, a second waveguide layer, a coating layer and a component gradient layer. According to the invention, through collaborative design optimization of all the layers, emission of laser with specific wavelength and preparation of a laser emitting laser with single longitudinal mode, narrow linewidth and stable wavelength are realized.
Owner:WUHAN UNIV