77results about How to "Reduce light leakage" patented technology

The invention discloses an aluminum foil pinhole number detection device for medicine packaging, and relates to the technical field of medicine packaging, the aluminum foil pinhole number detection device comprises a workbench and a moving assembly, the top center of the workbench is provided with a lamp panel, and two ends of the top of the workbench are fixedly provided with side frames. After the aluminum foil is arranged above the lamp panel, the aluminum foil can shield light of the lamp panel and leak light at the pinhole of the aluminum foil, so that the light leak part can be shot and detected through the visual detection camera, and meanwhile, the motor drives the second reciprocating lead screw to rotate, so that the hanging seat can move on the polished rod, and different positions on the aluminum foil can be visually detected; in the process that the lifting seat moves to the toothed plate, the pulley seat is firstly attached to the side frame, so that the movement of the pulley seat is limited, a buffer spring is compressed, and the lifting seat extrudes the toothed plate at the moment, so that the toothed plate passes through a gear shaft, a transmission box, a first synchronous belt wheel set and a second synchronous belt wheel set, and first reciprocating lead screws on the two sides rotate at the same time; therefore, the position of the movable seat can be changed.

The invention discloses a thin film lithium niobate waveguide polarizer. The overall structure adopts the two mixed bent waveguides, insertion loss caused by mode field mismatch at the joint of the straight waveguide and the bent waveguide is reduced, high-order mode excitation is reduced, the positions of the input and output waveguides are staggered through the two mixed bent waveguides which are centrosymmetric and have the same bending angle, the polarization extinction ratio of the chip is increased, and the polarization effect of the chip is improved. Waveguide modes except the quasi TE00 mode are filtered out, and polarization with the high polarization extinction ratio is achieved.

The utility model discloses a liquid crystal display screen structure for improving light leakage, which comprises a liquid crystal display screen body, an integrated circuit (IC) chip and a heat conduction piece, and a binding area is arranged on the liquid crystal display screen body. The IC chip is bound on the binding area through a conductive adhesive film; the heat conduction part is arranged on the binding area, and the heat conduction part is arranged around the periphery of the IC chip. According to the liquid crystal display screen, the heat conduction piece is arranged on the binding area, and meanwhile, the heat conduction piece is arranged around the binding area, so that when the IC chip is bound, heat can be dissipated in time through the heat conduction piece, the problem that the binding area corresponding to the liquid crystal display screen body is deformed due to binding of the IC chip is solved, and the service life of the liquid crystal display screen is prolonged. Therefore, light leakage caused by binding can be reduced, and the yield of products is improved.

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.

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.

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.

The utility model discloses a fast-assembly type magnetic suction mobile phone filter system capable of clamping, which comprises a pressing assembly, an adapter ring structure and an adjustable magnetic suction filter structure movably connected with the adapter ring structure in a clamping manner, and is characterized in that the adapter ring structure comprises a silica gel pad, an adapter ring and a magnetic suction piece connected with the adapter ring; the adapter ring structure is in magnetic attraction connection with the adjustable magnetic attraction filter structure through a magnetic attraction piece, and the adapter ring structure is locked on the mobile phone through a pressing assembly; the adapter ring is provided with a first straight line part, a second straight line part and an arc part, the first straight line part, the second straight line part and the arc part are enclosed to form an irregular-shaped through hole, and the adapter ring is further provided with a plurality of first connecting holes. According to the utility model, the pressing assembly is fixed on the mobile phone for use, and the adapter ring structure is provided with the magnet or the stainless iron ring, so that the adapter ring structure and the adjustable magnetic suction filter structure are magnetically sucked and can be clamped and fixed, and the adapter ring structure and the adjustable magnetic suction filter structure have the advantages of being simple to disassemble and assemble, high in stability, good in firmness, capable of avoiding light leakage and the like.

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.

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.

The invention provides an OLED display module and a display terminal. The OLED display module comprises an array substrate, a light sensor arranged on the array substrate, a pixel layer, a color film layer comprising a plurality of color films, a first shading layer which is arranged in an interval area among the color films and comprises a first light hole, and a second shading layer which is arranged between the pixel layer and the color film layer and comprises a second light hole, comprising a first light hole, a second light hole, a light gathering layer of a first micro lens arranged in the first light hole, an array metal layer arranged between the array substrate and the pixel layer and comprising a third light hole, and the orthographic projections of the light sensor, the first light hole, the second light hole, the first micro lens and the third light hole on the array substrate at least partially coincide; according to the OLED display module, a polaroid can be omitted, the fingerprint recognition function can be achieved, the light path structure of the OLED display module is matched with the fingerprint recognition function, and the OLED display module has the good effects of preventing light leakage and reducing the influence of ambient light reflection.

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.

The utility model discloses a liquid crystal display component with a photocell, which comprises a display screen body, a photocell body is arranged at the upper part of the display screen body, a functional layer is arranged on the upper surface of the photocell body, and a plurality of light receiving grids with irregular structures are arranged on the functional layer. And the light receiving grids are transparent. Compared with a traditional regular rhombic grid, the light receiving grid with the irregular structure on the functional layer is utilized, so that moire fringes generated by interference between an RGB dot matrix of a display screen and a photocell wire are greatly reduced, the light energy conversion performance of the light receiving grid is improved, and the photoelectric conversion efficiency of the photocell body is improved.

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.

The present invention provides an optical module, comprising: a first phase delay unit, configured to modulate the incident light beam into circular polarization or elliptically polarized light; a semi-transparent and semi-reflective layer, located downstream of the optical path of the first phase delay unit and receiving the circular polarization or elliptically polarized light; a second phase delay unit, located downstream of the optical path of the semi-transparent and semi-reflective layer; and a polarization beam splitter, arranged downstream of the optical path of the second phase delay unit, the polarization beam splitter having a light transmission axis, wherein the optical module further comprises a first phase compensation unit located upstream of the optical path of the first phase delay unit. The optical module of the embodiment of the present invention can reduce the occurrence of light leakage in the folded optical path, 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.

The present invention discloses a comprehensive biomedical experimental equipment and an Internet of Things control method, which belongs to the technical field of Internet of Things experimental equipment. It includes a constant temperature sterile anaerobic box supported by a bracket, an incubator, a microplate oscillator and a cutting mechanism are arranged in the box, a filter chamber and a control chamber are arranged next to the box, and an isolation door is arranged between the filter chamber and the box. It is characterized in that a front windshield is arranged at the front of the box, operating gloves are installed on the front windshield through a sliding plate, and an observation glass plate is arranged on the upper part of the front windshield; a glass partition is arranged in the box to isolate the incubator from the microplate oscillator, an entry and exit door is opened at the bottom of the glass partition, a slide groove is opened on the installation platform of the box, and the slide groove passes through the entry and exit door of the glass partition, and a transfer platform is movably arranged in the slide groove; the cutting mechanism includes a cutting platform arranged on the installation platform, and a cutting knife assembly is movably arranged on the cutting platform.

The utility model discloses an indicator light display assembly, which is applied to electronic equipment, an indicator light is arranged on a circuit board of the electronic equipment, the indicator light display assembly comprises an elastic shading part and a first shading part which is arranged on the circuit board and wraps the periphery of the indicator light, and the elastic shading part is located above the first shading part. The top end of the elastic shading piece is attached to the inner wall of a shell of the electronic equipment, a penetrating light-transmitting through hole is formed in the elastic shading piece, the top of the first shading piece extends into the light-transmitting through hole, and one end of the elastic shading piece is open. The elastic shading piece and the first shading piece form a double-layer shading structure, the shading effect can be achieved, one end of the elastic shading piece is open, a certain distance is reserved between the first shading piece and the inner wall of the shell, the first shading piece can be conveniently pushed in and assembled, the indicator light cannot be shielded due to deformation of the first shading piece, and the service life of the indicator light is prolonged. Therefore, assembly of circuit boards in shells of some electronic devices can be met, and light shielding can be conveniently established in the shells with assembly requirements. The utility model further discloses the electronic equipment.

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.

The utility model discloses a sun visor assembly and a vehicle, and the sun visor assembly comprises a sun-shading component, a sun-shading cover and a sun-shading cover, the light source is arranged in the accommodating space; the mirror assembly comprises a mirror surface structure, a light-transmitting structure and a shading structure, the light-transmitting structure is annularly arranged on the mirror surface structure, light rays emitted by the light source are emitted through the light-transmitting structure, the shading structure is annularly arranged on the light-transmitting structure, and the mirror surface structure, the light-transmitting structure and the shading structure jointly seal the opening; and the mirror cover assembly is movably arranged at the periphery of the opening so as to shield or expose the mirror surface structure, the light-transmitting structure and the shading structure. According to the technical scheme, the light leakage phenomenon between the mirror assembly and the mirror cover assembly is reduced.

The utility model relates to the technical field of window rail installation accessories, in particular to a split type shading window rail coincidence distance control device, and aims to conveniently control the window rail distance at the coincidence position so as to reduce the light leakage phenomenon after a curtain is closed and improve the window rail installation convenience and accuracy. The connecting device comprises a first connecting piece arranged on a first auxiliary rail in a sleeved mode and a second connecting piece arranged on a second auxiliary rail in a sleeved mode, and a first through sliding groove and a second through sliding groove are formed in the sides, close to a first main rail and a second main rail, of the bottoms of the first connecting piece and the second connecting piece respectively. The side, close to the second connecting piece, of the first connecting piece is connected with a first connecting wing, the side, close to the first connecting piece, of the second connecting piece is connected with a second connecting wing, corresponding connecting holes are formed in the first connecting wing and the second connecting wing in the vertical direction, and locking pieces fixed to the installation positions are arranged in the connecting holes in a penetrating mode.

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.

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.

The invention provides a jig, a packaging box and a stress releasing system and method of a curved-surface display panel, the jig comprises a box body and a first air bag, the box body is provided with a containing cavity for containing the curved-surface display panel, the containing cavity comprises a first wall and a second wall which are opposite, the first wall is a plane, and the second wall is a plane; the second wall is a curved surface with the same curvature as the curved surface display panel; the first air bag is arranged on the first wall and provided with a first surface and a second surface which are opposite, 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, the second surface is bent to form a first curved surface, and the bending direction of the first curved surface is the same as the bending direction of the second wall. The jig is used for releasing the stress of the curved-surface display panel, the stress of the curved-surface display panel placed in the containing cavity can be slowly released, and therefore the probability that the curved-surface display panel leaks light is reduced.

The utility model relates to the field of lighting equipment, in particular to a head lamp which comprises a shell and an arc-shaped base, the shell is arranged on the arc-shaped base in an up-down rotating mode, a head band is arranged on the arc-shaped base in a penetrating mode, an installation bottom plate is arranged in the shell, a circuit board is arranged on the first face of the installation bottom plate, a lithium battery is arranged on the second face of the installation bottom plate, and LED lamp beads are arranged on the circuit board. A lampshade groove is formed in the shell, a light hole is formed in the position, corresponding to the LED lamp bead, of the lampshade groove, a lampshade is embedded in the lampshade groove, a light condensation bowl which extends into the lampshade from the light hole and covers the LED lamp bead is arranged on one face of the lampshade, the light condensation bowl comprises a first light blocking cover arranged outside the LED lamp bead in a covering mode, a second light blocking cover is arranged in the first light blocking cover, and a light condensation protrusion is arranged in the second light blocking cover. A light guide ring is arranged on the other face of the lampshade and is of a honeycomb structure formed by splicing a plurality of hexagonal protrusions. The head lamp is simple in structure, small in size, capable of being better matched with the shape of the head, large in lighting range, good in lighting effect and capable of being vertically rotated and adjusted.

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.

The utility model relates to a light leakage prevention projector, which comprises an outer shell, a light machine main body and a heat dissipation device, heat dissipation holes communicated with the interior of the outer shell are formed in the side face of the outer shell, the ray machine body is arranged in the outer shell, ventilation openings communicated with the interior of the ray machine body are formed in the ray machine body, the heat dissipation device is arranged in the outer shell and comprises a heat dissipation fan and a heat dissipation device which are located at the positions corresponding to the heat dissipation holes, and the ventilation openings face the heat dissipation fan; the heat dissipation fan is used for driving air in the outer shell to pass through the heat dissipation device and then be discharged from the heat dissipation holes, the heat dissipation device comprises a plurality of heat dissipation fins arranged at intervals, and the heat dissipation fins are bent to form a preset angle to form a light blocking structure. In the application, the heat dissipation fins are bent at a certain angle to form the light blocking structure, so that the light blocking effect is realized, the light is prevented from directly leaking from the gaps among the heat dissipation fins, the light leakage phenomenon of the heat dissipation holes can be reduced, and the user experience can be improved.

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.

The invention discloses an alkali-free glass substrate with high color photoresist adhesive force as well as a preparation method and application of the alkali-free glass substrate, and belongs to the technical field of glass substrate production. According to the technical scheme, the method comprises the following steps: S1, placing a glass substrate or coating the surface of the glass substrate with an ethanol or acetone solution containing amino siloxane, wherein the solution contains 2-3wt% of acid, 2-3wt% of amino siloxane and 6-9wt% of water; and S2, drying the glass substrate, and removing residual moisture on the surface and unreacted amino siloxane to obtain the surface hydroxylated alkali-free glass substrate. According to the invention, hydroxylation treatment is carried out on the surface of the glass substrate by using the amino siloxane, so that the adhesive force of the color photoresist is remarkably improved, the light leakage phenomenon caused by stripping is reduced, and a more reliable and efficient solution is provided for manufacturing of display devices.

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.

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.

The utility model relates to the technical field of display technologies, in particular to a display module and a household appliance, the display module comprises a display panel, a digital board arranged on the display panel and a light condensation support covering the display panel and the digital board, the digital board is provided with a plurality of LED wafers, the light condensation support is provided with light holes corresponding to the LED wafers, and the LED wafers are arranged in the light holes. One side, deviating from the digital board, of the light-gathering support is provided with a display film, the light-gathering support is positioned with the digital board and / or the display board, the LED wafers are inversely arranged on the digital board, the digital board is provided with a protective film layer covering the plurality of LED wafers, the position, corresponding to the light-transmitting hole, of the display film is light-transmitting and is provided with a fluorescent layer, and light rays emitted by the LED wafers are emitted out through the fluorescent layer. The protective film layer does not need to be provided with a fluorescent layer, thinning design can be carried out to reduce light leakage, the fluorescent layer is arranged on the display film, the display film is arranged on the light gathering support, stretching can be avoided, and therefore the problem of chromatic aberration caused by non-uniformity of the fluorescent layer can be avoided.