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22results about How to "Reduce light leakage" patented technology
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Display panel, spliced display screen and electronic equipment
ActiveCN119580591Aplay a buffer rolereduce light leakageIdentification meansOptical elementsStructural engineeringProtection layer
The invention provides a display panel, a spliced display screen and electronic equipment, the display panel comprises a driving backboard, the driving backboard comprises a first surface, a second surface and a side surface, the first surface and the second surface are oppositely arranged in the thickness direction of the driving backboard, and the side surface is arranged on the first surface; the side surface is positioned between the first surface and the second surface; and the splicing protection layer covers at least part of the side surfaces and comprises at least one groove and / or bulge extending along the direction parallel to the first surface. According to the display panel, the splicing protection layer with the grooves or the protrusions is arranged on the side face of the display panel, the buffering effect is achieved when the display panels are spliced, the grooves and the protrusions of the splicing protection layer are mutually embedded, and light leakage of splicing seams between the display panels can be reduced.
Owner:CHENGDU VISTAR OPTEOLECTRONICS CO LTD
Display panel and display device
ActiveCN224698227Ureduce light leakageReduce or even avoid light leakage
The utility model discloses a display panel and display device, display panel includes substrate, color filter layer, transparent optical adhesive layer, pixel definition layer and cathode layer, pixel definition layer is located the one side of transparent optical adhesive layer away from substrate, wherein, transparent optical adhesive layer sets up first recess, pixel definition layer includes first definition branch, and cathode includes first cathode branch, along first direction, first recess, first definition branch and first cathode branch three project interlaced, and all with the non opening area projection interlaced of pixel definition layer, part first definition branch is located in first recess, forms first recess, part first cathode branch is located in first recess and forms reflecting electrode. Through setting up first recess in transparent optical adhesive layer, make corresponding first definition branch form first recess, and then make the first cathode branch of being located in first recess form reflecting electrode, utilize reflecting electrode and solve the light leakage problem between adjacent subpixels, improve display effect.
Owner:LG DISPLAY HIGH-TECH (CHINA) CO LTD
Display panel
ActiveCN117492287Breduce reflected lightreduce light leakageNon-linear opticsScan lineMaterials science
The application discloses a display panel, comprising a sub-pixel, a first metal layer, a second metal layer, a transparent conductive layer and a third metal layer. The sub-pixel comprises a switching element. The first metal layer comprises a scanning line electrically connected to the switching element. The second metal layer is arranged on the first metal layer and comprises a pixel electrode and a data line, the pixel electrode and the data line are electrically connected to the switching element, and a part of the data line comprises a black layer. The transparent conductive layer comprises a transparent electrode arranged on the pixel electrode and electrically connected to the pixel electrode. The third metal layer comprises a reflective electrode arranged on the transparent electrode and electrically connected to the transparent electrode.
Owner:HANNSTAR DISPLAY CORP
Optical laminate, method for manufacturing same, smart window comprising same, and vehicle and building window or door employing same
InactiveEP4411465A4Good shading effectperformance of the optical stack in the light blocking mode can be improvedAntiglare equipmentPolarising elements
The present invention relates to a transmittance-variable optical laminate, a method for manufacturing same, a smart window comprising same, and a vehicle and building window or door employing same, the optical laminate comprising: a first polarizing plate including a first polarizer and a polarization rotation layer; a first transparent conductive layer formed on one surface of the first polarizing plate; a second polarizing plate including a second polarizer and a retardation layer, and facing the first polarizing plate; a second transparent conductive layer formed on one surface of the second polarizing plate, and facing the first transparent conductive layer; and a liquid crystal layer provided between the first transparent conductive layer and the second transparent conductive layer, wherein at least one of the first transparent conductive layer and the second transparent conductive layer is formed to come into direct contact with any one of the first polarizing plate and the second polarizing plate, the polarization rotation layer has reverse wavelength or flat wavelength dispersion characteristics, and the retardation layer includes a negative C plate.
Owner:DONGWOO FINE CHEM CO LTD
Liquid crystal module capable of preventing light leakage
The utility model discloses a liquid crystal module capable of preventing light leakage, and relates to the technical field of display screens. The liquid crystal display comprises an injection molding bottom frame, a backlight module is fixedly arranged on the inner bottom side of the injection molding bottom frame, and a liquid crystal screen is installed above the backlight module; the side protection plates are arranged on the front side and the rear side of the injection molding bottom frame, bolts are fixedly arranged at the two ends of each side protection plate, and nuts are in threaded connection with the ends of the bolts; and the top protection plate is fixedly arranged in the middle of the top of the side protection plate. A traditional buckle fixing mode is abandoned, a brand new structural design is adopted, the backlight module and the liquid crystal screen are installed in the injection molding bottom frame, then the side protection plates and the top protection plate are arranged to protect the liquid crystal screen from the front side and the rear side, and the rectangular cover is arranged to protect the liquid crystal screen from the left side and the right side. The problem of incomplete press fit between the top frame and the bottom frame is effectively avoided, and the light leakage phenomenon caused by the fact that the gap between the LCD and the LED is too large is reduced.
Owner:HAIDONG XUGE PHOTOELECTRIC TECH CO LTD
Chip self-checking method and device, chip and storage medium
PendingCN119645742Areduce light leakagereduce leakageProgram synchronisationDetecting faulty computer hardwareComputer hardwareEmbedded system
The invention discloses a chip self-checking method and device, a chip and a storage medium, the chip is applied to the chip, the chip comprises a first storage module, a second storage module and an error injection module, the first storage module performs information interaction with the chip through a first channel, and the second storage module performs information interaction with the chip through a second channel. The chip self-checking method comprises the following steps: pointing a pointer of a main stack in a first storage module to a second storage module; the main stack is an operation stack after the first channel has an error; controlling an error injection module to inject error information into the first channel; performing self-checking operation; and after the self-checking operation is finished, repointing the pointer of the main stack to the first storage module. Therefore, by adjusting the pointer direction of the main stack, the CPU is prevented from accessing the first storage module through the first channel for many times, so that the CPU is prevented from entering the locking state, and the situation that whether self-inspection is passed or not cannot be judged due to the fact that the MCU cannot work normally is avoided.
Owner:SHENZHEN XIHUA TECHNOLOGY CO LTD
Optical laminate with protective film, polarizing plate with protective film, and image display device
The present application relates to an optical laminate with a protective film, a polarizing plate with a protective film, and an image display device. Provided are an optical laminate with a protective film, a polarizing plate with a protective film, and an image display device having a polarizing film provided with a polarizing plate with a protective film and the aforementioned optical laminate. An optical laminate with a protective film provided with a protective film and an optical laminate having a first optically anisotropic layer and a second optically anisotropic layer, the R40(550) of the optical laminate satisfies 110 nm ≤ R40(550) ≤ 175 nm, and the ratio of the tensile elastic modulus E1 in the direction parallel to the MD direction of the optical laminate to the tensile elastic modulus E2 in the direction parallel to the MD direction of the protective film satisfies E1 / E2 < 10.
Owner:SUMITOMO CHEM CO LTD
Tail light and electric vehicle
ActiveCN224414954Ureduce light leakageMeet regulatory requirements of not less than 40CDEngineeringElectric cars
The utility model provides a tail light and electric motor car relates to car lamp technical field. The utility model provides a tail light includes bottom shell, light source subassembly and lamp shade, bottom shell is connected with lamp shade, and the end surface of lamp shade has the even light area, and the side wall has the light leakage prevention area, light source subassembly includes the substrate and a plurality of light source spare, the substrate is located between bottom shell and lamp shade, and is installed in bottom shell, a plurality of light source spare interval distribution, and all install in the end surface of substrate towards lamp shade, the light emitting angle of light source spare is arranged as alpha, 90 DEG >= alpha >= 30 DEG, with the distance of the light emitting angle coincidence of two light source spare adjacent is P, with the distance between the end surface of substrate and lamp shade is H, H >= P. The utility model provides a tail light solves the technical problem of low brightness or high development design cost in prior art.
Owner:ZHEJIANG YADEA MOTORCYCLE
Laser foot sensing structure based on intelligent closestool
PendingCN119606242AImprove efficiencyImprove completenessWater closetsPicture reproducers using projection devicesElectrical batteryLaser detection
The invention discloses a laser foot sensing structure based on an intelligent closestool, relates to the technical field of laser foot sensing structures, and solves the problem that the response speed is low when the laser foot sensing structure is mounted in the intelligent closestool for use due to the fact that the laser foot sensing structure needs long time to analyze an object sensed and detected by laser. The laser foot sensing structure based on the intelligent closestool comprises a head connecting shell, a tail connecting shell and a rubber protective sleeve, the head connecting shell and the tail connecting shell are connected through a clamping assembly, the outer side of the bottom of the tail connecting shell is sleeved with the rubber protective sleeve, and a battery module is installed at the inner bottom of the rubber protective sleeve; a laser induction module is arranged in the head connecting shell. According to the intelligent closestool, when laser detection signals are transmitted in a light-electricity-light-electricity mode, efficient transmission of the detection signals can be achieved, it is guaranteed that the laser detection signals can be rapidly analyzed and detected by the PCB, and the efficiency and the intelligent degree of the intelligent closestool during operation are improved.
Owner:XIAMEN GUANGHONG ELECTRONICS
Backlight module and electronic equipment
The utility model discloses a backlight module and electronic equipment, and belongs to the technical field of display. A backlight module comprises a frame body, a light guide plate, a lateral light source and a first flexible circuit board. Due to the fact that the bottom plate in the frame body is provided with the leading-out opening communicated with the installation groove, the first flexible circuit board connected with the light source can be distributed on the back face of the backlight module without being bent after extending out of the leading-out opening, and it is guaranteed that the part, extending out of the leading-out opening, of the first flexible circuit board can be normally connected into the control assembly. Thus, it can be guaranteed that no rebound force exists in the first flexible circuit board, the light source connected with the first flexible circuit board is not prone to warping, then it can be guaranteed that light rays emitted by the light source can basically and completely enter the light guide plate, and it is guaranteed that the probability that the backlight module leaks light is low; therefore, the display effect of the electronic equipment integrated with the backlight module is good.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Light leakage prevention plated part, preparation method thereof and kitchen and bath appliance
PendingCN119663185AImprove thickness uniformityreduce light leakageVacuum evaporation coatingSputtering coatingStructural engineeringSilicon dioxide
The invention relates to the technical field of light leakage prevention surface treatment, in particular to a light leakage prevention plated part, a preparation method of the light leakage prevention plated part and a kitchen and bath utensil, a plating layer of a light leakage prevention layer on the surface of the light leakage prevention plated part is uniform, the bonding performance of the plating layer and a substrate is good, and the defects of light leakage, pocking marks and the like can be reduced. The light leakage prevention plating piece comprises a to-be-plated substrate and a light leakage prevention layer arranged on the surface of the to-be-plated substrate, the light leakage prevention layer is pervious to light, and the light leakage prevention layer comprises a bottoming layer, a metal plating layer and a protective layer which are sequentially stacked in the direction gradually away from the to-be-plated substrate; the base layer is prepared from the following materials: silicon dioxide.
Owner:JOMOO KITCHEN & BATHROOM
Optical module, near-eye display device and light projection method
The present invention provides an optical module, which includes a first phase delay unit, a semi-transmissive and semi-reflective layer, a second phase delay unit and a polarization beam splitter in sequence, wherein the first phase delay unit and the second phase delay unit are both positive phase delay units or both negative phase delay units, and satisfy the following relationship: α1=α2=45° or 135°; or the first phase delay unit and the second phase delay unit are positive phase delay units or negative phase delay units of opposite types, and satisfy the following relationship: α1=-α2=45° or 135°, wherein α1 is the angle through which the polarization direction of the linear polarized light incident on the first phase delay unit is rotated counterclockwise to the optical axis of the first phase delay unit when observed against the direction of the optical path, and α2 is the angle through which the light transmission axis of the polarization beam splitter is rotated counterclockwise to the optical axis of the second phase delay unit when observed against the direction of the optical path. Through the optical module of the embodiment of the present invention, the occurrence of light leakage in the folded optical path can be reduced, and in particular, some preferred embodiments can reduce or eliminate light leakage in the folded optical path within a large angle range, which helps to improve the user's experience effect.
Owner:SHANGHAI UROPTICS CO LTD
GaN-based semiconductor laser with limiting factor enhancement layer
ActiveCN119560886AReduce absorption lossImprove localizationOptical wave guidanceLaser detailsDivergence angleStray light
The invention discloses a GaN-based semiconductor laser with a limiting factor enhancement layer, which sequentially comprises a substrate, a lower coating layer, a lower waveguide layer, an active layer, an upper waveguide layer, an electron blocking layer and an upper coating layer from bottom to top, and is characterized in that the limiting factor enhancement layer is arranged between the electron blocking layer and the upper coating layer; the limiting factor enhancement layer comprises a first limiting factor enhancement layer and a second limiting factor enhancement layer; and the thickness of the limiting factor enhancement layer is 5-1000 nm. According to the invention, refractive index coefficients, electron mobility, breakdown field strength and change angles and change curves of electron affinity of the first limiting factor enhancement layer and the second limiting factor enhancement layer are designed, an effective refractive index difference is regulated and controlled to realize a high kink level, a far-image FFP image with a low aspect ratio is realized, a horizontal divergence angle is reduced, stray light and leakage light are reduced, and the performance of the device is improved. The far-field FFP image with local interference is reduced, and the optical confinement effect and the light beam quality factor are improved.
Owner:GEN SEMICONDUCTOR (ANHUI) CO LTD
A side-emitting panel light
The utility model provides a kind of side light-emitting panel light, it is related to panel light technical field, including lamp holder, junction box, light guide plate, diffusion plate and light bar, diffusion plate is connected with the lamp holder by pressing mechanism, light bar is between lamp holder and diffusion plate, and light bar is fixed to the inner side wall of pressing mechanism, pressing mechanism includes first annular pressing plate, and the outer side wall of pressing plate is symmetrically equipped with several buckling locks, buckling lock is used to clamp lamp holder, annular pressing plate inner side is equipped with locating groove, and diffusion plate is rotatably fixedly connected on pressing mechanism by locating groove. The utility model is fixed to the inner side wall of pressing mechanism by setting above-mentioned structure, buckling lock makes lamp holder and pressing plate structure tightly engage, prevent light bar or diffusion plate from shifting in transportation or use, seamless butt joint lamp holder edge, gap is small, light leakage is less, and diffusion plate, lamp holder and pressing mechanism are simple to install, without many screws or adhesive, diffusion plate, lamp holder can be rotatably detached with pressing mechanism, convenient to clean or replace.
Owner:JIAXING ZHENGFENG LIGHTING CO LTD
Key unit and fire fighting device
ActiveCN222653835USimple structurereduce light leakageElectric switchesElectrical connectionStructural engineering
Owner:BEIJING VITALSAFE EQUIP CO LTD
A diffractive optical waveguide
PendingCN122085439Areduce intensityreduce light leakageDiffraction gratingsOptical light guidesGratingWaveguide
This invention discloses a diffractive waveguide, comprising a waveguide substrate, the waveguide substrate including at least one coupling grating and one coupling grating; the coupling grating has a helical tooth profile; the helical tooth angle of the coupling grating is θ, the tooth height is h, and the grating period is p, satisfying the helical tooth relationship: 0.9m*p≤h*tanθ≤1.1m*p; where m is a positive integer greater than or equal to 1. By setting the coupling grating to helical teeth, and configuring the parameters of the helical tooth grating such that the tangent of the helical tooth height multiplied by the tilt angle is equal to or close to an integer multiple of the helical tooth period, light leakage and the intensity of rainbows are reduced.
Owner:SHANGHAI NORTH OCEAN TECH CO LTD
Diffractive optical waveguide structure and near-eye display device
The utility model relates to optical diffraction technical field provides diffraction light waveguide structure and near eye display device, diffraction light waveguide structure includes: waveguide base, in -coupling grating and out -coupling grating, in -coupling grating and out -coupling grating set up in waveguide base surface, in -coupling grating is used for with incident light line in -coupling to waveguide base, out -coupling grating is used for with the diffraction light line conduction in waveguide base out -coupling, wherein, out -coupling grating is provided with a plurality of periodic arrangement's base element, base element is used for introducing the asymmetry of out -coupling grating along x direction, and base element is divided into first base element area and second base element area according to the central axis, the shape structure of first base element area and the shape structure of second base element area are not same, through above -mentioned diffraction light waveguide structure, the utility model can reduce the light leakage of grating waveguide out -coupling area, improve the efficiency of grating waveguide.
Owner:BEIJING LLVISION TECH CO LTD
A dual-function head-mounted device for a data connector plug-in structure
The present application relates to the technical field of head-mounted display devices, and particularly relates to a dual-function head-mounted display device with a data connector plug structure. The device comprises an adaptive wearing mechanism, one side wall of the adaptive wearing mechanism is provided with a connection adjusting mechanism, and one side wall of the connection adjusting mechanism away from the adaptive wearing mechanism is provided with a display mechanism. When the head-mounted display device is in a VR display function, the light outlet end of the mounting frame two is attached to the closed end of the mounting frame one, and external ambient light cannot enter, but the VR display module display picture can directly enter the connection adjusting mechanism for the user to watch through the beam combining prism. When the AR display function is switched, the control shell three is rotated by 180 degrees, so that the light outlet end of the mounting frame two is moved to the bottom of the light transmission channel, at this time, light can enter the beam combining prism and be reflected into the connection adjusting mechanism, so that the display picture of the VR display module can be superimposed with the real picture, and the use effect of the head-mounted display device is improved.
Owner:CADDX US (SHENZHEN) LTD CO LTD
An apparatus for colour grading of rough diamond blanks
The utility model discloses a kind of original diamond rough color grading equipment, belong to CVD artificial synthesis diamond field. Including: light source, incident light transmission medium, collimating mirror, integrating sphere, emergent light transmission medium, optical analysis instrument, control host computer, one end of incident light transmission medium is connected with light source, collimating mirror is connected at the other end, the one end of collimating mirror away from incident light transmission medium corresponds with the position of integrating sphere, one end of emergent light transmission medium is connected with integrating sphere, and the other end is connected with optical analysis instrument, optical analysis instrument is connected with control host computer. Compared with prior art, the present application can simplify optical path, facilitate debugging, operation, facilitate to realize batch testing;Also can make the sample more sufficient to the absorption of light, reduce light leakage, the color parameter collected is more stable, and the accuracy of color grading is higher.
Owner:BEIJING ZUOWEN TECH CO LTD
Stress release system for a tool, a package, a curved display panel and method thereof
ActiveCN119099994Brelease stressreduce light leakageContainers to prevent mechanical damageInternal fittingsPhysicsSurface plate
The application provides a jig, a packaging box, a stress release system of a curved display panel and a method thereof. The jig comprises a box body and a first air bag. The box body has a receiving cavity for placing the curved display panel. The receiving cavity comprises opposite first and second walls. The first wall is a plane, and the second wall is a curved surface with the same curvature as the curved display panel. The first air bag is arranged on the first wall. The first air bag has opposite first and second surfaces. The first surface is located on the side close to the first wall. When the first air bag is in an inflated state, the first surface is attached to the first wall, and the second surface is curved into a first curved surface. The bending direction of the first curved surface is the same as the bending direction of the second wall. The jig is used for stress release of the curved display panel. The stress of the curved display panel placed in the receiving cavity can be slowly released, so that the probability of light leakage of the curved display panel is reduced.
Owner:HKC CORP LTD
A three-dimensional reflective sheet for reducing mini-led backlight halo
ActiveCN224364728Ureduce lossesImprove output efficiencyCoatingsSemiconductor devices for light sources
The application relates to the technical field of mini-LED, and provides a three-dimensional reflecting sheet for reducing mini-LED backlight halos, which comprises a plurality of integrally connected reflecting covers, each reflecting cover comprising: a reflecting bottom surface, the center of which is provided with a relief hole; a reflecting side surface, which is connected to the edge of the reflecting bottom surface along the circumference of the reflecting bottom surface, and which, together with the reflecting bottom surface, surrounds a cup-shaped cover body space; the adjacent reflecting covers are connected through the reflecting side surfaces, and the reflecting bottom surfaces and the reflecting side surfaces are integrally connected, so that the three-dimensional reflecting sheet is formed into an integral structure; the three-dimensional reflecting sheet can simultaneously process light rays from multiple directions, can block light beams from entering other control areas through the reflecting side surfaces, can reduce light leakage, and can reduce halos.
Owner:YIMEI OPTOELECTRONICS (ZHEJIANG) CO LTD
Beauty instrument
ActiveCN222623059Ugood lookingImprove efficiencyOptical filtersSurgical instrument detailsLight pollutionMechanical engineering
The utility model discloses a beauty instrument which comprises a shell, a light-emitting part and a light blocking cover, the shell is provided with a light outlet, the light-emitting direction of the light-emitting part faces the light outlet, the light blocking cover is located between the light-emitting part and the shell, and the light blocking cover surrounds the non-light-emitting direction of the light-emitting part. According to the beauty instrument, the shell, the light emitting part and the light blocking cover are arranged, the light outlet is formed in the shell, the light emitting direction of the light emitting part faces the light outlet, and the light blocking cover is located between the light emitting part and the shell and surrounds the non-light-emitting direction of the light emitting part. When the beauty instrument is started, the light-emitting part emits light, the light in the light-emitting direction irradiates the skin through the light outlet, the treatment effect is achieved, the light in the non-light-emitting direction is blocked by the light blocking cover, and the light leakage phenomenon of the shell is reduced. The overall effects are that the appearance effect and the light utilization efficiency of the beauty instrument are improved, and the risk of light pollution is reduced.
Owner:ULIKE (SHENZHEN) SMART ELECTRONICS CO LTD